src/game.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "game.h"
  21
  22 #include <iomanip>
  23 #include <cmath>
  24 #include "client/renderingengine.h"
  25 #include "camera.h"
  26 #include "client.h"
  27 #include "client/clientevent.h"
  28 #include "client/inputhandler.h"
  29 #include "client/tile.h"     // For TextureSource
  30 #include "client/keys.h"
  31 #include "client/joystick_controller.h"
  32 #include "clientmap.h"
  33 #include "clouds.h"
  34 #include "config.h"
  35 #include "content_cao.h"
  36 #include "event_manager.h"
  37 #include "fontengine.h"
  38 #include "itemdef.h"
  39 #include "log.h"
  40 #include "filesys.h"
  41 #include "gettext.h"
  42 #include "gui/guiChatConsole.h"
  43 #include "gui/guiFormSpecMenu.h"
  44 #include "gui/guiKeyChangeMenu.h"
  45 #include "gui/guiPasswordChange.h"
  46 #include "gui/guiVolumeChange.h"
  47 #include "gui/mainmenumanager.h"
  48 #include "mapblock.h"
  49 #include "minimap.h"
  50 #include "nodedef.h"         // Needed for determining pointing to nodes
  51 #include "nodemetadata.h"
  52 #include "particles.h"
  53 #include "profiler.h"
  54 #include "quicktune_shortcutter.h"
  55 #include "raycast.h"
  56 #include "server.h"
  57 #include "settings.h"
  58 #include "shader.h"
  59 #include "sky.h"
  60 #include "subgame.h"
  61 #include "tool.h"
  62 #include "translation.h"
  63 #include "util/basic_macros.h"
  64 #include "util/directiontables.h"
  65 #include "util/pointedthing.h"
  66 #include "irrlicht_changes/static_text.h"
  67 #include "version.h"
  68 #include "script/scripting_client.h"
  69
  70 #if USE_SOUND
  71         #include "sound_openal.h"
  72 #endif
  73
  74
  75 /*
  76         Text input system
  77 */
  78
  79 struct TextDestNodeMetadata : public TextDest
  80 {
  81         TextDestNodeMetadata(v3s16 p, Client *client)
  82         {
  83                 m_p = p;
  84                 m_client = client;
  85         }
  86         // This is deprecated I guess? -celeron55
  87         void gotText(const std::wstring &text)
  88         {
  89                 std::string ntext = wide_to_utf8(text);
  90                 infostream << "Submitting 'text' field of node at (" << m_p.X << ","
  91                            << m_p.Y << "," << m_p.Z << "): " << ntext << std::endl;
  92                 StringMap fields;
  93                 fields["text"] = ntext;
  94                 m_client->sendNodemetaFields(m_p, "", fields);
  95         }
  96         void gotText(const StringMap &fields)
  97         {
  98                 m_client->sendNodemetaFields(m_p, "", fields);
  99         }
 100
 101         v3s16 m_p;
 102         Client *m_client;
 103 };
 104
 105 struct TextDestPlayerInventory : public TextDest
 106 {
 107         TextDestPlayerInventory(Client *client)
 108         {
 109                 m_client = client;
 110                 m_formname = "";
 111         }
 112         TextDestPlayerInventory(Client *client, const std::string &formname)
 113         {
 114                 m_client = client;
 115                 m_formname = formname;
 116         }
 117         void gotText(const StringMap &fields)
 118         {
 119                 m_client->sendInventoryFields(m_formname, fields);
 120         }
 121
 122         Client *m_client;
 123 };
 124
 125 struct LocalFormspecHandler : public TextDest
 126 {
 127         LocalFormspecHandler(const std::string &formname)
 128         {
 129                 m_formname = formname;
 130         }
 131
 132         LocalFormspecHandler(const std::string &formname, Client *client):
 133                 m_client(client)
 134         {
 135                 m_formname = formname;
 136         }
 137
 138         void gotText(const StringMap &fields)
 139         {
 140                 if (m_formname == "MT_PAUSE_MENU") {
 141                         if (fields.find("btn_sound") != fields.end()) {
 142                                 g_gamecallback->changeVolume();
 143                                 return;
 144                         }
 145
 146                         if (fields.find("btn_key_config") != fields.end()) {
 147                                 g_gamecallback->keyConfig();
 148                                 return;
 149                         }
 150
 151                         if (fields.find("btn_exit_menu") != fields.end()) {
 152                                 g_gamecallback->disconnect();
 153                                 return;
 154                         }
 155
 156                         if (fields.find("btn_exit_os") != fields.end()) {
 157                                 g_gamecallback->exitToOS();
 158 #ifndef __ANDROID__
 159                                 RenderingEngine::get_raw_device()->closeDevice();
 160 #endif
 161                                 return;
 162                         }
 163
 164                         if (fields.find("btn_change_password") != fields.end()) {
 165                                 g_gamecallback->changePassword();
 166                                 return;
 167                         }
 168
 169                         if (fields.find("quit") != fields.end()) {
 170                                 return;
 171                         }
 172
 173                         if (fields.find("btn_continue") != fields.end()) {
 174                                 return;
 175                         }
 176                 }
 177
 178                 // Don't disable this part when modding is disabled, it's used in builtin
 179                 if (m_client && m_client->getScript())
 180                         m_client->getScript()->on_formspec_input(m_formname, fields);
 181         }
 182
 183         Client *m_client = nullptr;
 184 };
 185
 186 /* Form update callback */
 187
 188 static const std::string empty_string = "";
 189 class NodeMetadataFormSource: public IFormSource
 190 {
 191 public:
 192         NodeMetadataFormSource(ClientMap *map, v3s16 p):
 193                 m_map(map),
 194                 m_p(p)
 195         {
 196         }
 197         const std::string &getForm() const
 198         {
 199                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 200
 201                 if (!meta)
 202                         return empty_string;
 203
 204                 return meta->getString("formspec");
 205         }
 206
 207         virtual std::string resolveText(const std::string &str)
 208         {
 209                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 210
 211                 if (!meta)
 212                         return str;
 213
 214                 return meta->resolveString(str);
 215         }
 216
 217         ClientMap *m_map;
 218         v3s16 m_p;
 219 };
 220
 221 class PlayerInventoryFormSource: public IFormSource
 222 {
 223 public:
 224         PlayerInventoryFormSource(Client *client):
 225                 m_client(client)
 226         {
 227         }
 228
 229         const std::string &getForm() const
 230         {
 231                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
 232                 return player->inventory_formspec;
 233         }
 234
 235         Client *m_client;
 236 };
 237
 238 /* Profiler display */
 239
 240 void update_profiler_gui(gui::IGUIStaticText *guitext_profiler, FontEngine *fe,
 241                 u32 show_profiler, u32 show_profiler_max, s32 screen_height)
 242 {
 243         if (show_profiler == 0) {
 244                 guitext_profiler->setVisible(false);
 245         } else {
 246
 247                 std::ostringstream os(std::ios_base::binary);
 248                 g_profiler->printPage(os, show_profiler, show_profiler_max);
 249                 std::wstring text = translate_string(utf8_to_wide(os.str()));
 250                 setStaticText(guitext_profiler, text.c_str());
 251                 guitext_profiler->setVisible(true);
 252
 253                 s32 w = fe->getTextWidth(text);
 254
 255                 if (w < 400)
 256                         w = 400;
 257
 258                 unsigned text_height = fe->getTextHeight();
 259
 260                 core::position2di upper_left, lower_right;
 261
 262                 upper_left.X  = 6;
 263                 upper_left.Y  = (text_height + 5) * 2;
 264                 lower_right.X = 12 + w;
 265                 lower_right.Y = upper_left.Y + (text_height + 1) * MAX_PROFILER_TEXT_ROWS;
 266
 267                 if (lower_right.Y > screen_height * 2 / 3)
 268                         lower_right.Y = screen_height * 2 / 3;
 269
 270                 core::rect<s32> rect(upper_left, lower_right);
 271
 272                 guitext_profiler->setRelativePosition(rect);
 273                 guitext_profiler->setVisible(true);
 274         }
 275 }
 276
 277 class ProfilerGraph
 278 {
 279 private:
 280         struct Piece {
 281                 Profiler::GraphValues values;
 282         };
 283         struct Meta {
 284                 float min;
 285                 float max;
 286                 video::SColor color;
 287                 Meta(float initial = 0,
 288                         video::SColor color = video::SColor(255, 255, 255, 255)):
 289                         min(initial),
 290                         max(initial),
 291                         color(color)
 292                 {}
 293         };
 294         std::deque<Piece> m_log;
 295 public:
 296         u32 m_log_max_size = 200;
 297
 298         ProfilerGraph() = default;
 299
 300         void put(const Profiler::GraphValues &values)
 301         {
 302                 Piece piece;
 303                 piece.values = values;
 304                 m_log.push_back(piece);
 305
 306                 while (m_log.size() > m_log_max_size)
 307                         m_log.erase(m_log.begin());
 308         }
 309
 310         void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
 311                   gui::IGUIFont *font) const
 312         {
 313                 // Do *not* use UNORDERED_MAP here as the order needs
 314                 // to be the same for each call to prevent flickering
 315                 std::map<std::string, Meta> m_meta;
 316
 317                 for (const Piece &piece : m_log) {
 318                         for (const auto &i : piece.values) {
 319                                 const std::string &id = i.first;
 320                                 const float &value = i.second;
 321                                 std::map<std::string, Meta>::iterator j = m_meta.find(id);
 322
 323                                 if (j == m_meta.end()) {
 324                                         m_meta[id] = Meta(value);
 325                                         continue;
 326                                 }
 327
 328                                 if (value < j->second.min)
 329                                         j->second.min = value;
 330
 331                                 if (value > j->second.max)
 332                                         j->second.max = value;
 333                         }
 334                 }
 335
 336                 // Assign colors
 337                 static const video::SColor usable_colors[] = {
 338                         video::SColor(255, 255, 100, 100),
 339                         video::SColor(255, 90, 225, 90),
 340                         video::SColor(255, 100, 100, 255),
 341                         video::SColor(255, 255, 150, 50),
 342                         video::SColor(255, 220, 220, 100)
 343                 };
 344                 static const u32 usable_colors_count =
 345                         sizeof(usable_colors) / sizeof(*usable_colors);
 346                 u32 next_color_i = 0;
 347
 348                 for (auto &i : m_meta) {
 349                         Meta &meta = i.second;
 350                         video::SColor color(255, 200, 200, 200);
 351
 352                         if (next_color_i < usable_colors_count)
 353                                 color = usable_colors[next_color_i++];
 354
 355                         meta.color = color;
 356                 }
 357
 358                 s32 graphh = 50;
 359                 s32 textx = x_left + m_log_max_size + 15;
 360                 s32 textx2 = textx + 200 - 15;
 361                 s32 meta_i = 0;
 362
 363                 for (std::map<std::string, Meta>::const_iterator i = m_meta.begin();
 364                                 i != m_meta.end(); ++i) {
 365                         const std::string &id = i->first;
 366                         const Meta &meta = i->second;
 367                         s32 x = x_left;
 368                         s32 y = y_bottom - meta_i * 50;
 369                         float show_min = meta.min;
 370                         float show_max = meta.max;
 371
 372                         if (show_min >= -0.0001 && show_max >= -0.0001) {
 373                                 if (show_min <= show_max * 0.5)
 374                                         show_min = 0;
 375                         }
 376
 377                         s32 texth = 15;
 378                         char buf[10];
 379                         snprintf(buf, 10, "%.3g", show_max);
 380                         font->draw(utf8_to_wide(buf).c_str(),
 381                                         core::rect<s32>(textx, y - graphh,
 382                                                    textx2, y - graphh + texth),
 383                                         meta.color);
 384                         snprintf(buf, 10, "%.3g", show_min);
 385                         font->draw(utf8_to_wide(buf).c_str(),
 386                                         core::rect<s32>(textx, y - texth,
 387                                                    textx2, y),
 388                                         meta.color);
 389                         font->draw(utf8_to_wide(id).c_str(),
 390                                         core::rect<s32>(textx, y - graphh / 2 - texth / 2,
 391                                                    textx2, y - graphh / 2 + texth / 2),
 392                                         meta.color);
 393                         s32 graph1y = y;
 394                         s32 graph1h = graphh;
 395                         bool relativegraph = (show_min != 0 && show_min != show_max);
 396                         float lastscaledvalue = 0.0;
 397                         bool lastscaledvalue_exists = false;
 398
 399                         for (const Piece &piece : m_log) {
 400                                 float value = 0;
 401                                 bool value_exists = false;
 402                                 Profiler::GraphValues::const_iterator k =
 403                                         piece.values.find(id);
 404
 405                                 if (k != piece.values.end()) {
 406                                         value = k->second;
 407                                         value_exists = true;
 408                                 }
 409
 410                                 if (!value_exists) {
 411                                         x++;
 412                                         lastscaledvalue_exists = false;
 413                                         continue;
 414                                 }
 415
 416                                 float scaledvalue = 1.0;
 417
 418                                 if (show_max != show_min)
 419                                         scaledvalue = (value - show_min) / (show_max - show_min);
 420
 421                                 if (scaledvalue == 1.0 && value == 0) {
 422                                         x++;
 423                                         lastscaledvalue_exists = false;
 424                                         continue;
 425                                 }
 426
 427                                 if (relativegraph) {
 428                                         if (lastscaledvalue_exists) {
 429                                                 s32 ivalue1 = lastscaledvalue * graph1h;
 430                                                 s32 ivalue2 = scaledvalue * graph1h;
 431                                                 driver->draw2DLine(v2s32(x - 1, graph1y - ivalue1),
 432                                                                    v2s32(x, graph1y - ivalue2), meta.color);
 433                                         }
 434
 435                                         lastscaledvalue = scaledvalue;
 436                                         lastscaledvalue_exists = true;
 437                                 } else {
 438                                         s32 ivalue = scaledvalue * graph1h;
 439                                         driver->draw2DLine(v2s32(x, graph1y),
 440                                                            v2s32(x, graph1y - ivalue), meta.color);
 441                                 }
 442
 443                                 x++;
 444                         }
 445
 446                         meta_i++;
 447                 }
 448         }
 449 };
 450
 451 class NodeDugEvent: public MtEvent
 452 {
 453 public:
 454         v3s16 p;
 455         MapNode n;
 456
 457         NodeDugEvent(v3s16 p, MapNode n):
 458                 p(p),
 459                 n(n)
 460         {}
 461         const char *getType() const
 462         {
 463                 return "NodeDug";
 464         }
 465 };
 466
 467 class SoundMaker
 468 {
 469         ISoundManager *m_sound;
 470         INodeDefManager *m_ndef;
 471 public:
 472         bool makes_footstep_sound;
 473         float m_player_step_timer;
 474
 475         SimpleSoundSpec m_player_step_sound;
 476         SimpleSoundSpec m_player_leftpunch_sound;
 477         SimpleSoundSpec m_player_rightpunch_sound;
 478
 479         SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
 480                 m_sound(sound),
 481                 m_ndef(ndef),
 482                 makes_footstep_sound(true),
 483                 m_player_step_timer(0)
 484         {
 485         }
 486
 487         void playPlayerStep()
 488         {
 489                 if (m_player_step_timer <= 0 && m_player_step_sound.exists()) {
 490                         m_player_step_timer = 0.03;
 491                         if (makes_footstep_sound)
 492                                 m_sound->playSound(m_player_step_sound, false);
 493                 }
 494         }
 495
 496         static void viewBobbingStep(MtEvent *e, void *data)
 497         {
 498                 SoundMaker *sm = (SoundMaker *)data;
 499                 sm->playPlayerStep();
 500         }
 501
 502         static void playerRegainGround(MtEvent *e, void *data)
 503         {
 504                 SoundMaker *sm = (SoundMaker *)data;
 505                 sm->playPlayerStep();
 506         }
 507
 508         static void playerJump(MtEvent *e, void *data)
 509         {
 510                 //SoundMaker *sm = (SoundMaker*)data;
 511         }
 512
 513         static void cameraPunchLeft(MtEvent *e, void *data)
 514         {
 515                 SoundMaker *sm = (SoundMaker *)data;
 516                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
 517         }
 518
 519         static void cameraPunchRight(MtEvent *e, void *data)
 520         {
 521                 SoundMaker *sm = (SoundMaker *)data;
 522                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
 523         }
 524
 525         static void nodeDug(MtEvent *e, void *data)
 526         {
 527                 SoundMaker *sm = (SoundMaker *)data;
 528                 NodeDugEvent *nde = (NodeDugEvent *)e;
 529                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
 530         }
 531
 532         static void playerDamage(MtEvent *e, void *data)
 533         {
 534                 SoundMaker *sm = (SoundMaker *)data;
 535                 sm->m_sound->playSound(SimpleSoundSpec("player_damage", 0.5), false);
 536         }
 537
 538         static void playerFallingDamage(MtEvent *e, void *data)
 539         {
 540                 SoundMaker *sm = (SoundMaker *)data;
 541                 sm->m_sound->playSound(SimpleSoundSpec("player_falling_damage", 0.5), false);
 542         }
 543
 544         void registerReceiver(MtEventManager *mgr)
 545         {
 546                 mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
 547                 mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
 548                 mgr->reg("PlayerJump", SoundMaker::playerJump, this);
 549                 mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
 550                 mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
 551                 mgr->reg("NodeDug", SoundMaker::nodeDug, this);
 552                 mgr->reg("PlayerDamage", SoundMaker::playerDamage, this);
 553                 mgr->reg("PlayerFallingDamage", SoundMaker::playerFallingDamage, this);
 554         }
 555
 556         void step(float dtime)
 557         {
 558                 m_player_step_timer -= dtime;
 559         }
 560 };
 561
 562 // Locally stored sounds don't need to be preloaded because of this
 563 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
 564 {
 565         std::set<std::string> m_fetched;
 566 private:
 567         void paths_insert(std::set<std::string> &dst_paths,
 568                 const std::string &base,
 569                 const std::string &name)
 570         {
 571                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".ogg");
 572                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".0.ogg");
 573                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".1.ogg");
 574                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".2.ogg");
 575                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".3.ogg");
 576                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".4.ogg");
 577                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".5.ogg");
 578                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".6.ogg");
 579                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".7.ogg");
 580                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".8.ogg");
 581                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".9.ogg");
 582         }
 583 public:
 584         void fetchSounds(const std::string &name,
 585                 std::set<std::string> &dst_paths,
 586                 std::set<std::string> &dst_datas)
 587         {
 588                 if (m_fetched.count(name))
 589                         return;
 590
 591                 m_fetched.insert(name);
 592
 593                 paths_insert(dst_paths, porting::path_share, name);
 594                 paths_insert(dst_paths, porting::path_user,  name);
 595         }
 596 };
 597
 598
 599 // before 1.8 there isn't a "integer interface", only float
 600 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 601 typedef f32 SamplerLayer_t;
 602 #else
 603 typedef s32 SamplerLayer_t;
 604 #endif
 605
 606
 607 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
 608 {
 609         Sky *m_sky;
 610         bool *m_force_fog_off;
 611         f32 *m_fog_range;
 612         bool m_fog_enabled;
 613         CachedPixelShaderSetting<float, 4> m_sky_bg_color;
 614         CachedPixelShaderSetting<float> m_fog_distance;
 615         CachedVertexShaderSetting<float> m_animation_timer_vertex;
 616         CachedPixelShaderSetting<float> m_animation_timer_pixel;
 617         CachedPixelShaderSetting<float, 3> m_day_light;
 618         CachedPixelShaderSetting<float, 3> m_eye_position_pixel;
 619         CachedVertexShaderSetting<float, 3> m_eye_position_vertex;
 620         CachedPixelShaderSetting<float, 3> m_minimap_yaw;
 621         CachedPixelShaderSetting<SamplerLayer_t> m_base_texture;
 622         CachedPixelShaderSetting<SamplerLayer_t> m_normal_texture;
 623         CachedPixelShaderSetting<SamplerLayer_t> m_texture_flags;
 624         Client *m_client;
 625
 626 public:
 627         void onSettingsChange(const std::string &name)
 628         {
 629                 if (name == "enable_fog")
 630                         m_fog_enabled = g_settings->getBool("enable_fog");
 631         }
 632
 633         static void settingsCallback(const std::string &name, void *userdata)
 634         {
 635                 reinterpret_cast<GameGlobalShaderConstantSetter*>(userdata)->onSettingsChange(name);
 636         }
 637
 638         void setSky(Sky *sky) { m_sky = sky; }
 639
 640         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
 641                         f32 *fog_range, Client *client) :
 642                 m_sky(sky),
 643                 m_force_fog_off(force_fog_off),
 644                 m_fog_range(fog_range),
 645                 m_sky_bg_color("skyBgColor"),
 646                 m_fog_distance("fogDistance"),
 647                 m_animation_timer_vertex("animationTimer"),
 648                 m_animation_timer_pixel("animationTimer"),
 649                 m_day_light("dayLight"),
 650                 m_eye_position_pixel("eyePosition"),
 651                 m_eye_position_vertex("eyePosition"),
 652                 m_minimap_yaw("yawVec"),
 653                 m_base_texture("baseTexture"),
 654                 m_normal_texture("normalTexture"),
 655                 m_texture_flags("textureFlags"),
 656                 m_client(client)
 657         {
 658                 g_settings->registerChangedCallback("enable_fog", settingsCallback, this);
 659                 m_fog_enabled = g_settings->getBool("enable_fog");
 660         }
 661
 662         ~GameGlobalShaderConstantSetter()
 663         {
 664                 g_settings->deregisterChangedCallback("enable_fog", settingsCallback, this);
 665         }
 666
 667         virtual void onSetConstants(video::IMaterialRendererServices *services,
 668                         bool is_highlevel)
 669         {
 670                 if (!is_highlevel)
 671                         return;
 672
 673                 // Background color
 674                 video::SColor bgcolor = m_sky->getBgColor();
 675                 video::SColorf bgcolorf(bgcolor);
 676                 float bgcolorfa[4] = {
 677                         bgcolorf.r,
 678                         bgcolorf.g,
 679                         bgcolorf.b,
 680                         bgcolorf.a,
 681                 };
 682                 m_sky_bg_color.set(bgcolorfa, services);
 683
 684                 // Fog distance
 685                 float fog_distance = 10000 * BS;
 686
 687                 if (m_fog_enabled && !*m_force_fog_off)
 688                         fog_distance = *m_fog_range;
 689
 690                 m_fog_distance.set(&fog_distance, services);
 691
 692                 u32 daynight_ratio = (float)m_client->getEnv().getDayNightRatio();
 693                 video::SColorf sunlight;
 694                 get_sunlight_color(&sunlight, daynight_ratio);
 695                 float dnc[3] = {
 696                         sunlight.r,
 697                         sunlight.g,
 698                         sunlight.b };
 699                 m_day_light.set(dnc, services);
 700
 701                 u32 animation_timer = porting::getTimeMs() % 100000;
 702                 float animation_timer_f = (float)animation_timer / 100000.f;
 703                 m_animation_timer_vertex.set(&animation_timer_f, services);
 704                 m_animation_timer_pixel.set(&animation_timer_f, services);
 705
 706                 float eye_position_array[3];
 707                 v3f epos = m_client->getEnv().getLocalPlayer()->getEyePosition();
 708 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 709                 eye_position_array[0] = epos.X;
 710                 eye_position_array[1] = epos.Y;
 711                 eye_position_array[2] = epos.Z;
 712 #else
 713                 epos.getAs3Values(eye_position_array);
 714 #endif
 715                 m_eye_position_pixel.set(eye_position_array, services);
 716                 m_eye_position_vertex.set(eye_position_array, services);
 717
 718                 if (m_client->getMinimap()) {
 719                         float minimap_yaw_array[3];
 720                         v3f minimap_yaw = m_client->getMinimap()->getYawVec();
 721 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 722                         minimap_yaw_array[0] = minimap_yaw.X;
 723                         minimap_yaw_array[1] = minimap_yaw.Y;
 724                         minimap_yaw_array[2] = minimap_yaw.Z;
 725 #else
 726                         minimap_yaw.getAs3Values(minimap_yaw_array);
 727 #endif
 728                         m_minimap_yaw.set(minimap_yaw_array, services);
 729                 }
 730
 731                 SamplerLayer_t base_tex = 0,
 732                                 normal_tex = 1,
 733                                 flags_tex = 2;
 734                 m_base_texture.set(&base_tex, services);
 735                 m_normal_texture.set(&normal_tex, services);
 736                 m_texture_flags.set(&flags_tex, services);
 737         }
 738 };
 739
 740
 741 class GameGlobalShaderConstantSetterFactory : public IShaderConstantSetterFactory
 742 {
 743         Sky *m_sky;
 744         bool *m_force_fog_off;
 745         f32 *m_fog_range;
 746         Client *m_client;
 747         std::vector<GameGlobalShaderConstantSetter *> created_nosky;
 748 public:
 749         GameGlobalShaderConstantSetterFactory(bool *force_fog_off,
 750                         f32 *fog_range, Client *client) :
 751                 m_sky(NULL),
 752                 m_force_fog_off(force_fog_off),
 753                 m_fog_range(fog_range),
 754                 m_client(client)
 755         {}
 756
 757         void setSky(Sky *sky) {
 758                 m_sky = sky;
 759                 for (GameGlobalShaderConstantSetter *ggscs : created_nosky) {
 760                         ggscs->setSky(m_sky);
 761                 }
 762                 created_nosky.clear();
 763         }
 764
 765         virtual IShaderConstantSetter* create()
 766         {
 767                 GameGlobalShaderConstantSetter *scs = new GameGlobalShaderConstantSetter(
 768                                 m_sky, m_force_fog_off, m_fog_range, m_client);
 769                 if (!m_sky)
 770                         created_nosky.push_back(scs);
 771                 return scs;
 772         }
 773 };
 774
 775
 776 bool nodePlacementPrediction(Client &client, const ItemDefinition &playeritem_def,
 777         const ItemStack &playeritem, v3s16 nodepos, v3s16 neighbourpos)
 778 {
 779         std::string prediction = playeritem_def.node_placement_prediction;
 780         INodeDefManager *nodedef = client.ndef();
 781         ClientMap &map = client.getEnv().getClientMap();
 782         MapNode node;
 783         bool is_valid_position;
 784
 785         node = map.getNodeNoEx(nodepos, &is_valid_position);
 786         if (!is_valid_position)
 787                 return false;
 788
 789         if (!prediction.empty() && !nodedef->get(node).rightclickable) {
 790                 verbosestream << "Node placement prediction for "
 791                               << playeritem_def.name << " is "
 792                               << prediction << std::endl;
 793                 v3s16 p = neighbourpos;
 794
 795                 // Place inside node itself if buildable_to
 796                 MapNode n_under = map.getNodeNoEx(nodepos, &is_valid_position);
 797                 if (is_valid_position)
 798                 {
 799                         if (nodedef->get(n_under).buildable_to)
 800                                 p = nodepos;
 801                         else {
 802                                 node = map.getNodeNoEx(p, &is_valid_position);
 803                                 if (is_valid_position &&!nodedef->get(node).buildable_to)
 804                                         return false;
 805                         }
 806                 }
 807
 808                 // Find id of predicted node
 809                 content_t id;
 810                 bool found = nodedef->getId(prediction, id);
 811
 812                 if (!found) {
 813                         errorstream << "Node placement prediction failed for "
 814                                     << playeritem_def.name << " (places "
 815                                     << prediction
 816                                     << ") - Name not known" << std::endl;
 817                         return false;
 818                 }
 819
 820                 const ContentFeatures &predicted_f = nodedef->get(id);
 821
 822                 // Predict param2 for facedir and wallmounted nodes
 823                 u8 param2 = 0;
 824
 825                 if (predicted_f.param_type_2 == CPT2_WALLMOUNTED ||
 826                                 predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED) {
 827                         v3s16 dir = nodepos - neighbourpos;
 828
 829                         if (abs(dir.Y) > MYMAX(abs(dir.X), abs(dir.Z))) {
 830                                 param2 = dir.Y < 0 ? 1 : 0;
 831                         } else if (abs(dir.X) > abs(dir.Z)) {
 832                                 param2 = dir.X < 0 ? 3 : 2;
 833                         } else {
 834                                 param2 = dir.Z < 0 ? 5 : 4;
 835                         }
 836                 }
 837
 838                 if (predicted_f.param_type_2 == CPT2_FACEDIR ||
 839                                 predicted_f.param_type_2 == CPT2_COLORED_FACEDIR) {
 840                         v3s16 dir = nodepos - floatToInt(client.getEnv().getLocalPlayer()->getPosition(), BS);
 841
 842                         if (abs(dir.X) > abs(dir.Z)) {
 843                                 param2 = dir.X < 0 ? 3 : 1;
 844                         } else {
 845                                 param2 = dir.Z < 0 ? 2 : 0;
 846                         }
 847                 }
 848
 849                 assert(param2 <= 5);
 850
 851                 //Check attachment if node is in group attached_node
 852                 if (((ItemGroupList) predicted_f.groups)["attached_node"] != 0) {
 853                         static v3s16 wallmounted_dirs[8] = {
 854                                 v3s16(0, 1, 0),
 855                                 v3s16(0, -1, 0),
 856                                 v3s16(1, 0, 0),
 857                                 v3s16(-1, 0, 0),
 858                                 v3s16(0, 0, 1),
 859                                 v3s16(0, 0, -1),
 860                         };
 861                         v3s16 pp;
 862
 863                         if (predicted_f.param_type_2 == CPT2_WALLMOUNTED ||
 864                                         predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED)
 865                                 pp = p + wallmounted_dirs[param2];
 866                         else
 867                                 pp = p + v3s16(0, -1, 0);
 868
 869                         if (!nodedef->get(map.getNodeNoEx(pp)).walkable)
 870                                 return false;
 871                 }
 872
 873                 // Apply color
 874                 if ((predicted_f.param_type_2 == CPT2_COLOR
 875                                 || predicted_f.param_type_2 == CPT2_COLORED_FACEDIR
 876                                 || predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED)) {
 877                         const std::string &indexstr = playeritem.metadata.getString(
 878                                 "palette_index", 0);
 879                         if (!indexstr.empty()) {
 880                                 s32 index = mystoi(indexstr);
 881                                 if (predicted_f.param_type_2 == CPT2_COLOR) {
 882                                         param2 = index;
 883                                 } else if (predicted_f.param_type_2
 884                                                 == CPT2_COLORED_WALLMOUNTED) {
 885                                         // param2 = pure palette index + other
 886                                         param2 = (index & 0xf8) | (param2 & 0x07);
 887                                 } else if (predicted_f.param_type_2
 888                                                 == CPT2_COLORED_FACEDIR) {
 889                                         // param2 = pure palette index + other
 890                                         param2 = (index & 0xe0) | (param2 & 0x1f);
 891                                 }
 892                         }
 893                 }
 894
 895                 // Add node to client map
 896                 MapNode n(id, 0, param2);
 897
 898                 try {
 899                         LocalPlayer *player = client.getEnv().getLocalPlayer();
 900
 901                         // Dont place node when player would be inside new node
 902                         // NOTE: This is to be eventually implemented by a mod as client-side Lua
 903                         if (!nodedef->get(n).walkable ||
 904                                         g_settings->getBool("enable_build_where_you_stand") ||
 905                                         (client.checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
 906                                         (nodedef->get(n).walkable &&
 907                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 1, 0) &&
 908                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 2, 0))) {
 909
 910                                 // This triggers the required mesh update too
 911                                 client.addNode(p, n);
 912                                 return true;
 913                         }
 914                 } catch (InvalidPositionException &e) {
 915                         errorstream << "Node placement prediction failed for "
 916                                     << playeritem_def.name << " (places "
 917                                     << prediction
 918                                     << ") - Position not loaded" << std::endl;
 919                 }
 920         }
 921
 922         return false;
 923 }
 924
 925 static inline void create_formspec_menu(GUIFormSpecMenu **cur_formspec,
 926                 Client *client, JoystickController *joystick,
 927                 IFormSource *fs_src, TextDest *txt_dest)
 928 {
 929
 930         if (*cur_formspec == 0) {
 931                 *cur_formspec = new GUIFormSpecMenu(joystick, guiroot, -1, &g_menumgr,
 932                         client, client->getTextureSource(), fs_src, txt_dest);
 933                 (*cur_formspec)->doPause = false;
 934
 935                 /*
 936                         Caution: do not call (*cur_formspec)->drop() here --
 937                         the reference might outlive the menu, so we will
 938                         periodically check if *cur_formspec is the only
 939                         remaining reference (i.e. the menu was removed)
 940                         and delete it in that case.
 941                 */
 942
 943         } else {
 944                 (*cur_formspec)->setFormSource(fs_src);
 945                 (*cur_formspec)->setTextDest(txt_dest);
 946         }
 947
 948 }
 949
 950 #ifdef __ANDROID__
 951 #define SIZE_TAG "size[11,5.5]"
 952 #else
 953 #define SIZE_TAG "size[11,5.5,true]" // Fixed size on desktop
 954 #endif
 955
 956 /******************************************************************************/
 957 static void updateChat(Client &client, f32 dtime, bool show_debug,
 958                 const v2u32 &screensize, bool show_chat, u32 show_profiler,
 959                 ChatBackend &chat_backend, gui::IGUIStaticText *guitext_chat)
 960 {
 961         // Add chat log output for errors to be shown in chat
 962         static LogOutputBuffer chat_log_error_buf(g_logger, LL_ERROR);
 963
 964         // Get new messages from error log buffer
 965         while (!chat_log_error_buf.empty()) {
 966                 std::wstring error_message = utf8_to_wide(chat_log_error_buf.get());
 967                 if (!g_settings->getBool("disable_escape_sequences")) {
 968                         error_message = L"\x1b(c@red)" + error_message + L"\x1b(c@white)";
 969                 }
 970                 chat_backend.addMessage(L"", error_message);
 971         }
 972
 973         // Get new messages from client
 974         std::wstring message;
 975         while (client.getChatMessage(message)) {
 976                 chat_backend.addUnparsedMessage(message);
 977         }
 978
 979         // Remove old messages
 980         chat_backend.step(dtime);
 981
 982         // Display all messages in a static text element
 983         unsigned int recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
 984         EnrichedString recent_chat     = chat_backend.getRecentChat();
 985         unsigned int line_height       = g_fontengine->getLineHeight();
 986
 987         setStaticText(guitext_chat, recent_chat);
 988
 989         // Update gui element size and position
 990         s32 chat_y = 5;
 991
 992         if (show_debug)
 993                 chat_y += 2 * line_height;
 994
 995         // first pass to calculate height of text to be set
 996         const v2u32 &window_size = RenderingEngine::get_instance()->getWindowSize();
 997         s32 width = std::min(g_fontengine->getTextWidth(recent_chat.c_str()) + 10,
 998                         window_size.X - 20);
 999         core::rect<s32> rect(10, chat_y, width, chat_y + window_size.Y);
1000         guitext_chat->setRelativePosition(rect);
1001
1002         //now use real height of text and adjust rect according to this size
1003         rect = core::rect<s32>(10, chat_y, width,
1004                                chat_y + guitext_chat->getTextHeight());
1005
1006
1007         guitext_chat->setRelativePosition(rect);
1008         // Don't show chat if disabled or empty or profiler is enabled
1009         guitext_chat->setVisible(
1010                 show_chat && recent_chat_count != 0 && !show_profiler);
1011 }
1012
1013
1014 /****************************************************************************
1015  Fast key cache for main game loop
1016  ****************************************************************************/
1017
1018 /* This is faster than using getKeySetting with the tradeoff that functions
1019  * using it must make sure that it's initialised before using it and there is
1020  * no error handling (for example bounds checking). This is really intended for
1021  * use only in the main running loop of the client (the_game()) where the faster
1022  * (up to 10x faster) key lookup is an asset. Other parts of the codebase
1023  * (e.g. formspecs) should continue using getKeySetting().
1024  */
1025 struct KeyCache {
1026
1027         KeyCache()
1028         {
1029                 handler = NULL;
1030                 populate();
1031                 populate_nonchanging();
1032         }
1033
1034         void populate();
1035
1036         // Keys that are not settings dependent
1037         void populate_nonchanging();
1038
1039         KeyPress key[KeyType::INTERNAL_ENUM_COUNT];
1040         InputHandler *handler;
1041 };
1042
1043 void KeyCache::populate_nonchanging()
1044 {
1045         key[KeyType::ESC] = EscapeKey;
1046 }
1047
1048 void KeyCache::populate()
1049 {
1050         key[KeyType::FORWARD]      = getKeySetting("keymap_forward");
1051         key[KeyType::BACKWARD]     = getKeySetting("keymap_backward");
1052         key[KeyType::LEFT]         = getKeySetting("keymap_left");
1053         key[KeyType::RIGHT]        = getKeySetting("keymap_right");
1054         key[KeyType::JUMP]         = getKeySetting("keymap_jump");
1055         key[KeyType::SPECIAL1]     = getKeySetting("keymap_special1");
1056         key[KeyType::SNEAK]        = getKeySetting("keymap_sneak");
1057
1058         key[KeyType::AUTOFORWARD]  = getKeySetting("keymap_autoforward");
1059
1060         key[KeyType::DROP]         = getKeySetting("keymap_drop");
1061         key[KeyType::INVENTORY]    = getKeySetting("keymap_inventory");
1062         key[KeyType::CHAT]         = getKeySetting("keymap_chat");
1063         key[KeyType::CMD]          = getKeySetting("keymap_cmd");
1064         key[KeyType::CMD_LOCAL]    = getKeySetting("keymap_cmd_local");
1065         key[KeyType::CONSOLE]      = getKeySetting("keymap_console");
1066         key[KeyType::MINIMAP]      = getKeySetting("keymap_minimap");
1067         key[KeyType::FREEMOVE]     = getKeySetting("keymap_freemove");
1068         key[KeyType::FASTMOVE]     = getKeySetting("keymap_fastmove");
1069         key[KeyType::NOCLIP]       = getKeySetting("keymap_noclip");
1070         key[KeyType::HOTBAR_PREV]  = getKeySetting("keymap_hotbar_previous");
1071         key[KeyType::HOTBAR_NEXT]  = getKeySetting("keymap_hotbar_next");
1072         key[KeyType::MUTE]         = getKeySetting("keymap_mute");
1073         key[KeyType::INC_VOLUME]   = getKeySetting("keymap_increase_volume");
1074         key[KeyType::DEC_VOLUME]   = getKeySetting("keymap_decrease_volume");
1075         key[KeyType::CINEMATIC]    = getKeySetting("keymap_cinematic");
1076         key[KeyType::SCREENSHOT]   = getKeySetting("keymap_screenshot");
1077         key[KeyType::TOGGLE_HUD]   = getKeySetting("keymap_toggle_hud");
1078         key[KeyType::TOGGLE_CHAT]  = getKeySetting("keymap_toggle_chat");
1079         key[KeyType::TOGGLE_FORCE_FOG_OFF]
1080                         = getKeySetting("keymap_toggle_force_fog_off");
1081         key[KeyType::TOGGLE_UPDATE_CAMERA]
1082                         = getKeySetting("keymap_toggle_update_camera");
1083         key[KeyType::TOGGLE_DEBUG]
1084                         = getKeySetting("keymap_toggle_debug");
1085         key[KeyType::TOGGLE_PROFILER]
1086                         = getKeySetting("keymap_toggle_profiler");
1087         key[KeyType::CAMERA_MODE]
1088                         = getKeySetting("keymap_camera_mode");
1089         key[KeyType::INCREASE_VIEWING_RANGE]
1090                         = getKeySetting("keymap_increase_viewing_range_min");
1091         key[KeyType::DECREASE_VIEWING_RANGE]
1092                         = getKeySetting("keymap_decrease_viewing_range_min");
1093         key[KeyType::RANGESELECT]
1094                         = getKeySetting("keymap_rangeselect");
1095         key[KeyType::ZOOM] = getKeySetting("keymap_zoom");
1096
1097         key[KeyType::QUICKTUNE_NEXT] = getKeySetting("keymap_quicktune_next");
1098         key[KeyType::QUICKTUNE_PREV] = getKeySetting("keymap_quicktune_prev");
1099         key[KeyType::QUICKTUNE_INC]  = getKeySetting("keymap_quicktune_inc");
1100         key[KeyType::QUICKTUNE_DEC]  = getKeySetting("keymap_quicktune_dec");
1101
1102         for (int i = 0; i < 23; i++) {
1103                 std::string slot_key_name = "keymap_slot" + std::to_string(i + 1);
1104                 key[KeyType::SLOT_1 + i] = getKeySetting(slot_key_name.c_str());
1105         }
1106
1107         if (handler) {
1108                 // First clear all keys, then re-add the ones we listen for
1109                 handler->dontListenForKeys();
1110                 for (const KeyPress &k : key) {
1111                         handler->listenForKey(k);
1112                 }
1113                 handler->listenForKey(EscapeKey);
1114                 handler->listenForKey(CancelKey);
1115         }
1116 }
1117
1118
1119 /****************************************************************************
1120
1121  ****************************************************************************/
1122
1123 const float object_hit_delay = 0.2;
1124
1125 struct FpsControl {
1126         u32 last_time, busy_time, sleep_time;
1127 };
1128
1129
1130 /* The reason the following structs are not anonymous structs within the
1131  * class is that they are not used by the majority of member functions and
1132  * many functions that do require objects of thse types do not modify them
1133  * (so they can be passed as a const qualified parameter)
1134  */
1135 struct CameraOrientation {
1136         f32 camera_yaw;    // "right/left"
1137         f32 camera_pitch;  // "up/down"
1138 };
1139
1140 struct GameRunData {
1141         u16 dig_index;
1142         u16 new_playeritem;
1143         PointedThing pointed_old;
1144         bool digging;
1145         bool ldown_for_dig;
1146         bool dig_instantly;
1147         bool digging_blocked;
1148         bool left_punch;
1149         bool update_wielded_item_trigger;
1150         bool reset_jump_timer;
1151         float nodig_delay_timer;
1152         float dig_time;
1153         float dig_time_complete;
1154         float repeat_rightclick_timer;
1155         float object_hit_delay_timer;
1156         float time_from_last_punch;
1157         ClientActiveObject *selected_object;
1158
1159         float jump_timer;
1160         float damage_flash;
1161         float update_draw_list_timer;
1162         float statustext_time;
1163
1164         f32 fog_range;
1165
1166         v3f update_draw_list_last_cam_dir;
1167
1168         u32 profiler_current_page;
1169         u32 profiler_max_page;     // Number of pages
1170
1171         float time_of_day;
1172         float time_of_day_smooth;
1173 };
1174
1175 struct Jitter {
1176         f32 max, min, avg, counter, max_sample, min_sample, max_fraction;
1177 };
1178
1179 struct RunStats {
1180         u32 drawtime;
1181
1182         Jitter dtime_jitter, busy_time_jitter;
1183 };
1184
1185 class Game;
1186
1187 struct ClientEventHandler
1188 {
1189         void (Game::*handler)(ClientEvent *, CameraOrientation *);
1190 };
1191
1192 /****************************************************************************
1193  THE GAME
1194  ****************************************************************************/
1195
1196 /* This is not intended to be a public class. If a public class becomes
1197  * desirable then it may be better to create another 'wrapper' class that
1198  * hides most of the stuff in this class (nothing in this class is required
1199  * by any other file) but exposes the public methods/data only.
1200  */
1201 class Game {
1202 public:
1203         Game();
1204         ~Game();
1205
1206         bool startup(bool *kill,
1207                         bool random_input,
1208                         InputHandler *input,
1209                         const std::string &map_dir,
1210                         const std::string &playername,
1211                         const std::string &password,
1212                         // If address is "", local server is used and address is updated
1213                         std::string *address,
1214                         u16 port,
1215                         std::string &error_message,
1216                         bool *reconnect,
1217                         ChatBackend *chat_backend,
1218                         const SubgameSpec &gamespec,    // Used for local game
1219                         bool simple_singleplayer_mode);
1220
1221         void run();
1222         void shutdown();
1223
1224 protected:
1225
1226         void extendedResourceCleanup();
1227
1228         // Basic initialisation
1229         bool init(const std::string &map_dir, std::string *address,
1230                         u16 port,
1231                         const SubgameSpec &gamespec);
1232         bool initSound();
1233         bool createSingleplayerServer(const std::string &map_dir,
1234                         const SubgameSpec &gamespec, u16 port, std::string *address);
1235
1236         // Client creation
1237         bool createClient(const std::string &playername,
1238                         const std::string &password, std::string *address, u16 port);
1239         bool initGui();
1240
1241         // Client connection
1242         bool connectToServer(const std::string &playername,
1243                         const std::string &password, std::string *address, u16 port,
1244                         bool *connect_ok, bool *aborted);
1245         bool getServerContent(bool *aborted);
1246
1247         // Main loop
1248
1249         void updateInteractTimers(f32 dtime);
1250         bool checkConnection();
1251         bool handleCallbacks();
1252         void processQueues();
1253         void updateProfilers(const RunStats &stats, const FpsControl &draw_times, f32 dtime);
1254         void addProfilerGraphs(const RunStats &stats, const FpsControl &draw_times, f32 dtime);
1255         void updateStats(RunStats *stats, const FpsControl &draw_times, f32 dtime);
1256
1257         // Input related
1258         void processUserInput(f32 dtime);
1259         void processKeyInput();
1260         void processItemSelection(u16 *new_playeritem);
1261
1262         void dropSelectedItem(bool single_item = false);
1263         void openInventory();
1264         void openConsole(float scale, const wchar_t *line=NULL);
1265         void toggleFreeMove();
1266         void toggleFreeMoveAlt();
1267         void toggleFast();
1268         void toggleNoClip();
1269         void toggleCinematic();
1270         void toggleAutoforward();
1271
1272         void toggleChat();
1273         void toggleHud();
1274         void toggleMinimap(bool shift_pressed);
1275         void toggleFog();
1276         void toggleDebug();
1277         void toggleUpdateCamera();
1278         void toggleProfiler();
1279
1280         void increaseViewRange();
1281         void decreaseViewRange();
1282         void toggleFullViewRange();
1283
1284         void updateCameraDirection(CameraOrientation *cam, float dtime);
1285         void updateCameraOrientation(CameraOrientation *cam, float dtime);
1286         void updatePlayerControl(const CameraOrientation &cam);
1287         void step(f32 *dtime);
1288         void processClientEvents(CameraOrientation *cam);
1289         void updateCamera(u32 busy_time, f32 dtime);
1290         void updateSound(f32 dtime);
1291         void processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug);
1292         /*!
1293          * Returns the object or node the player is pointing at.
1294          * Also updates the selected thing in the Hud.
1295          *
1296          * @param[in]  shootline         the shootline, starting from
1297          * the camera position. This also gives the maximal distance
1298          * of the search.
1299          * @param[in]  liquids_pointable if false, liquids are ignored
1300          * @param[in]  look_for_object   if false, objects are ignored
1301          * @param[in]  camera_offset     offset of the camera
1302          * @param[out] selected_object   the selected object or
1303          * NULL if not found
1304          */
1305         PointedThing updatePointedThing(
1306                         const core::line3d<f32> &shootline, bool liquids_pointable,
1307                         bool look_for_object, const v3s16 &camera_offset);
1308         void handlePointingAtNothing(const ItemStack &playerItem);
1309         void handlePointingAtNode(const PointedThing &pointed,
1310                 const ItemDefinition &playeritem_def, const ItemStack &playeritem,
1311                 const ToolCapabilities &playeritem_toolcap, f32 dtime);
1312         void handlePointingAtObject(const PointedThing &pointed, const ItemStack &playeritem,
1313                         const v3f &player_position, bool show_debug);
1314         void handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
1315                         const ToolCapabilities &playeritem_toolcap, f32 dtime);
1316         void updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
1317                         const CameraOrientation &cam);
1318         void updateGui(const RunStats &stats, f32 dtime, const CameraOrientation &cam);
1319         void updateProfilerGraphs(ProfilerGraph *graph);
1320
1321         // Misc
1322         void limitFps(FpsControl *fps_timings, f32 *dtime);
1323
1324         void showOverlayMessage(const char *msg, float dtime, int percent,
1325                         bool draw_clouds = true);
1326         void showStatusTextSimple(const char *msg);
1327
1328         static void settingChangedCallback(const std::string &setting_name, void *data);
1329         void readSettings();
1330
1331         inline bool getLeftClicked()
1332         {
1333                 return input->getLeftClicked() ||
1334                         input->joystick.getWasKeyDown(KeyType::MOUSE_L);
1335         }
1336         inline bool getRightClicked()
1337         {
1338                 return input->getRightClicked() ||
1339                         input->joystick.getWasKeyDown(KeyType::MOUSE_R);
1340         }
1341         inline bool isLeftPressed()
1342         {
1343                 return input->getLeftState() ||
1344                         input->joystick.isKeyDown(KeyType::MOUSE_L);
1345         }
1346         inline bool isRightPressed()
1347         {
1348                 return input->getRightState() ||
1349                         input->joystick.isKeyDown(KeyType::MOUSE_R);
1350         }
1351         inline bool getLeftReleased()
1352         {
1353                 return input->getLeftReleased() ||
1354                         input->joystick.wasKeyReleased(KeyType::MOUSE_L);
1355         }
1356
1357         inline bool isKeyDown(GameKeyType k)
1358         {
1359                 return input->isKeyDown(keycache.key[k]) || input->joystick.isKeyDown(k);
1360         }
1361         inline bool wasKeyDown(GameKeyType k)
1362         {
1363                 return input->wasKeyDown(keycache.key[k]) || input->joystick.wasKeyDown(k);
1364         }
1365
1366 #ifdef __ANDROID__
1367         void handleAndroidChatInput();
1368 #endif
1369
1370 private:
1371         void showPauseMenu();
1372
1373         // ClientEvent handlers
1374         void handleClientEvent_None(ClientEvent *event, CameraOrientation *cam);
1375         void handleClientEvent_PlayerDamage(ClientEvent *event, CameraOrientation *cam);
1376         void handleClientEvent_PlayerForceMove(ClientEvent *event, CameraOrientation *cam);
1377         void handleClientEvent_Deathscreen(ClientEvent *event, CameraOrientation *cam);
1378         void handleClientEvent_ShowFormSpec(ClientEvent *event, CameraOrientation *cam);
1379         void handleClientEvent_ShowLocalFormSpec(ClientEvent *event, CameraOrientation *cam);
1380         void handleClientEvent_HandleParticleEvent(ClientEvent *event,
1381                 CameraOrientation *cam);
1382         void handleClientEvent_HudAdd(ClientEvent *event, CameraOrientation *cam);
1383         void handleClientEvent_HudRemove(ClientEvent *event, CameraOrientation *cam);
1384         void handleClientEvent_HudChange(ClientEvent *event, CameraOrientation *cam);
1385         void handleClientEvent_SetSky(ClientEvent *event, CameraOrientation *cam);
1386         void handleClientEvent_OverrideDayNigthRatio(ClientEvent *event,
1387                 CameraOrientation *cam);
1388         void handleClientEvent_CloudParams(ClientEvent *event, CameraOrientation *cam);
1389
1390         static const ClientEventHandler clientEventHandler[CLIENTEVENT_MAX];
1391
1392         InputHandler *input;
1393
1394         Client *client;
1395         Server *server;
1396
1397         IWritableTextureSource *texture_src;
1398         IWritableShaderSource *shader_src;
1399
1400         // When created, these will be filled with data received from the server
1401         IWritableItemDefManager *itemdef_manager;
1402         IWritableNodeDefManager *nodedef_manager;
1403
1404         GameOnDemandSoundFetcher soundfetcher; // useful when testing
1405         ISoundManager *sound;
1406         bool sound_is_dummy = false;
1407         SoundMaker *soundmaker;
1408
1409         ChatBackend *chat_backend;
1410
1411         GUIFormSpecMenu *current_formspec;
1412         //default: "". If other than "", empty show_formspec packets will only close the formspec when the formname matches
1413         std::string cur_formname;
1414
1415         EventManager *eventmgr;
1416         QuicktuneShortcutter *quicktune;
1417
1418         GUIChatConsole *gui_chat_console; // Free using ->Drop()
1419         MapDrawControl *draw_control;
1420         Camera *camera;
1421         Clouds *clouds;                   // Free using ->Drop()
1422         Sky *sky;                         // Free using ->Drop()
1423         Inventory *local_inventory;
1424         Hud *hud;
1425         Minimap *mapper;
1426
1427         GameRunData runData;
1428         GameUIFlags flags;
1429
1430         /* 'cache'
1431            This class does take ownership/responsibily for cleaning up etc of any of
1432            these items (e.g. device)
1433         */
1434         IrrlichtDevice *device;
1435         video::IVideoDriver *driver;
1436         scene::ISceneManager *smgr;
1437         bool *kill;
1438         std::string *error_message;
1439         bool *reconnect_requested;
1440         scene::ISceneNode *skybox;
1441
1442         bool random_input;
1443         bool simple_singleplayer_mode;
1444         /* End 'cache' */
1445
1446         /* Pre-calculated values
1447          */
1448         int crack_animation_length;
1449
1450         /* GUI stuff
1451          */
1452         gui::IGUIStaticText *guitext;          // First line of debug text
1453         gui::IGUIStaticText *guitext2;         // Second line of debug text
1454         gui::IGUIStaticText *guitext_info;     // At the middle of the screen
1455         gui::IGUIStaticText *guitext_status;
1456         gui::IGUIStaticText *guitext_chat;         // Chat text
1457         gui::IGUIStaticText *guitext_profiler; // Profiler text
1458
1459         std::wstring infotext;
1460         std::wstring m_statustext;
1461
1462         KeyCache keycache;
1463
1464         IntervalLimiter profiler_interval;
1465
1466         /*
1467          * TODO: Local caching of settings is not optimal and should at some stage
1468          *       be updated to use a global settings object for getting thse values
1469          *       (as opposed to the this local caching). This can be addressed in
1470          *       a later release.
1471          */
1472         bool m_cache_doubletap_jump;
1473         bool m_cache_enable_clouds;
1474         bool m_cache_enable_joysticks;
1475         bool m_cache_enable_particles;
1476         bool m_cache_enable_fog;
1477         bool m_cache_enable_noclip;
1478         bool m_cache_enable_free_move;
1479         f32  m_cache_mouse_sensitivity;
1480         f32  m_cache_joystick_frustum_sensitivity;
1481         f32  m_repeat_right_click_time;
1482         f32  m_cache_cam_smoothing;
1483         f32  m_cache_fog_start;
1484
1485         bool m_invert_mouse = false;
1486         bool m_first_loop_after_window_activation = false;
1487         bool m_camera_offset_changed = false;
1488
1489 #ifdef __ANDROID__
1490         bool m_cache_hold_aux1;
1491         bool m_android_chat_open;
1492 #endif
1493 };
1494
1495 Game::Game() :
1496         client(NULL),
1497         server(NULL),
1498         texture_src(NULL),
1499         shader_src(NULL),
1500         itemdef_manager(NULL),
1501         nodedef_manager(NULL),
1502         sound(NULL),
1503         soundmaker(NULL),
1504         chat_backend(NULL),
1505         current_formspec(NULL),
1506         cur_formname(""),
1507         eventmgr(NULL),
1508         quicktune(NULL),
1509         gui_chat_console(NULL),
1510         draw_control(NULL),
1511         camera(NULL),
1512         clouds(NULL),
1513         sky(NULL),
1514         local_inventory(NULL),
1515         hud(NULL),
1516         mapper(NULL)
1517 {
1518         g_settings->registerChangedCallback("doubletap_jump",
1519                 &settingChangedCallback, this);
1520         g_settings->registerChangedCallback("enable_clouds",
1521                 &settingChangedCallback, this);
1522         g_settings->registerChangedCallback("doubletap_joysticks",
1523                 &settingChangedCallback, this);
1524         g_settings->registerChangedCallback("enable_particles",
1525                 &settingChangedCallback, this);
1526         g_settings->registerChangedCallback("enable_fog",
1527                 &settingChangedCallback, this);
1528         g_settings->registerChangedCallback("mouse_sensitivity",
1529                 &settingChangedCallback, this);
1530         g_settings->registerChangedCallback("joystick_frustum_sensitivity",
1531                 &settingChangedCallback, this);
1532         g_settings->registerChangedCallback("repeat_rightclick_time",
1533                 &settingChangedCallback, this);
1534         g_settings->registerChangedCallback("noclip",
1535                 &settingChangedCallback, this);
1536         g_settings->registerChangedCallback("free_move",
1537                 &settingChangedCallback, this);
1538         g_settings->registerChangedCallback("cinematic",
1539                 &settingChangedCallback, this);
1540         g_settings->registerChangedCallback("cinematic_camera_smoothing",
1541                 &settingChangedCallback, this);
1542         g_settings->registerChangedCallback("camera_smoothing",
1543                 &settingChangedCallback, this);
1544
1545         readSettings();
1546
1547 #ifdef __ANDROID__
1548         m_cache_hold_aux1 = false;      // This is initialised properly later
1549 #endif
1550
1551 }
1552
1553
1554
1555 /****************************************************************************
1556  MinetestApp Public
1557  ****************************************************************************/
1558
1559 Game::~Game()
1560 {
1561         delete client;
1562         delete soundmaker;
1563         if (!sound_is_dummy)
1564                 delete sound;
1565
1566         delete server; // deleted first to stop all server threads
1567
1568         delete hud;
1569         delete local_inventory;
1570         delete camera;
1571         delete quicktune;
1572         delete eventmgr;
1573         delete texture_src;
1574         delete shader_src;
1575         delete nodedef_manager;
1576         delete itemdef_manager;
1577         delete draw_control;
1578
1579         extendedResourceCleanup();
1580
1581         g_settings->deregisterChangedCallback("doubletap_jump",
1582                 &settingChangedCallback, this);
1583         g_settings->deregisterChangedCallback("enable_clouds",
1584                 &settingChangedCallback, this);
1585         g_settings->deregisterChangedCallback("enable_particles",
1586                 &settingChangedCallback, this);
1587         g_settings->deregisterChangedCallback("enable_fog",
1588                 &settingChangedCallback, this);
1589         g_settings->deregisterChangedCallback("mouse_sensitivity",
1590                 &settingChangedCallback, this);
1591         g_settings->deregisterChangedCallback("repeat_rightclick_time",
1592                 &settingChangedCallback, this);
1593         g_settings->deregisterChangedCallback("noclip",
1594                 &settingChangedCallback, this);
1595         g_settings->deregisterChangedCallback("free_move",
1596                 &settingChangedCallback, this);
1597         g_settings->deregisterChangedCallback("cinematic",
1598                 &settingChangedCallback, this);
1599         g_settings->deregisterChangedCallback("cinematic_camera_smoothing",
1600                 &settingChangedCallback, this);
1601         g_settings->deregisterChangedCallback("camera_smoothing",
1602                 &settingChangedCallback, this);
1603 }
1604
1605 bool Game::startup(bool *kill,
1606                 bool random_input,
1607                 InputHandler *input,
1608                 const std::string &map_dir,
1609                 const std::string &playername,
1610                 const std::string &password,
1611                 std::string *address,     // can change if simple_singleplayer_mode
1612                 u16 port,
1613                 std::string &error_message,
1614                 bool *reconnect,
1615                 ChatBackend *chat_backend,
1616                 const SubgameSpec &gamespec,
1617                 bool simple_singleplayer_mode)
1618 {
1619         // "cache"
1620         this->device              = RenderingEngine::get_raw_device();
1621         this->kill                = kill;
1622         this->error_message       = &error_message;
1623         this->reconnect_requested = reconnect;
1624         this->random_input        = random_input;
1625         this->input               = input;
1626         this->chat_backend        = chat_backend;
1627         this->simple_singleplayer_mode = simple_singleplayer_mode;
1628
1629         keycache.handler = input;
1630         keycache.populate();
1631
1632         driver = device->getVideoDriver();
1633         smgr = RenderingEngine::get_scene_manager();
1634
1635         RenderingEngine::get_scene_manager()->getParameters()->
1636                 setAttribute(scene::OBJ_LOADER_IGNORE_MATERIAL_FILES, true);
1637
1638         memset(&runData, 0, sizeof(runData));
1639         runData.time_from_last_punch = 10.0;
1640         runData.profiler_max_page = 3;
1641         runData.update_wielded_item_trigger = true;
1642
1643         memset(&flags, 0, sizeof(flags));
1644         flags.show_chat = true;
1645         flags.show_hud = true;
1646         flags.show_debug = g_settings->getBool("show_debug");
1647         m_invert_mouse = g_settings->getBool("invert_mouse");
1648         m_first_loop_after_window_activation = true;
1649
1650         g_translations->clear();
1651
1652         if (!init(map_dir, address, port, gamespec))
1653                 return false;
1654
1655         if (!createClient(playername, password, address, port))
1656                 return false;
1657
1658         RenderingEngine::initialize(client, hud);
1659
1660         return true;
1661 }
1662
1663
1664 void Game::run()
1665 {
1666         ProfilerGraph graph;
1667         RunStats stats              = { 0 };
1668         CameraOrientation cam_view_target  = { 0 };
1669         CameraOrientation cam_view  = { 0 };
1670         FpsControl draw_times       = { 0 };
1671         f32 dtime; // in seconds
1672
1673         /* Clear the profiler */
1674         Profiler::GraphValues dummyvalues;
1675         g_profiler->graphGet(dummyvalues);
1676
1677         draw_times.last_time = RenderingEngine::get_timer_time();
1678
1679         set_light_table(g_settings->getFloat("display_gamma"));
1680
1681 #ifdef __ANDROID__
1682         m_cache_hold_aux1 = g_settings->getBool("fast_move")
1683                         && client->checkPrivilege("fast");
1684 #endif
1685
1686         irr::core::dimension2d<u32> previous_screen_size(g_settings->getU16("screen_w"),
1687                 g_settings->getU16("screen_h"));
1688
1689         while (RenderingEngine::run()
1690                         && !(*kill || g_gamecallback->shutdown_requested
1691                         || (server && server->getShutdownRequested()))) {
1692
1693                 const irr::core::dimension2d<u32> &current_screen_size =
1694                         RenderingEngine::get_video_driver()->getScreenSize();
1695                 // Verify if window size has changed and save it if it's the case
1696                 // Ensure evaluating settings->getBool after verifying screensize
1697                 // First condition is cheaper
1698                 if (previous_screen_size != current_screen_size &&
1699                                 current_screen_size != irr::core::dimension2d<u32>(0,0) &&
1700                                 g_settings->getBool("autosave_screensize")) {
1701                         g_settings->setU16("screen_w", current_screen_size.Width);
1702                         g_settings->setU16("screen_h", current_screen_size.Height);
1703                         previous_screen_size = current_screen_size;
1704                 }
1705
1706                 /* Must be called immediately after a device->run() call because it
1707                  * uses device->getTimer()->getTime()
1708                  */
1709                 limitFps(&draw_times, &dtime);
1710
1711                 updateStats(&stats, draw_times, dtime);
1712                 updateInteractTimers(dtime);
1713
1714                 if (!checkConnection())
1715                         break;
1716                 if (!handleCallbacks())
1717                         break;
1718
1719                 processQueues();
1720
1721                 infotext = L"";
1722                 hud->resizeHotbar();
1723
1724                 updateProfilers(stats, draw_times, dtime);
1725                 processUserInput(dtime);
1726                 // Update camera before player movement to avoid camera lag of one frame
1727                 updateCameraDirection(&cam_view_target, dtime);
1728                 cam_view.camera_yaw += (cam_view_target.camera_yaw -
1729                                 cam_view.camera_yaw) * m_cache_cam_smoothing;
1730                 cam_view.camera_pitch += (cam_view_target.camera_pitch -
1731                                 cam_view.camera_pitch) * m_cache_cam_smoothing;
1732                 updatePlayerControl(cam_view);
1733                 step(&dtime);
1734                 processClientEvents(&cam_view_target);
1735                 updateCamera(draw_times.busy_time, dtime);
1736                 updateSound(dtime);
1737                 processPlayerInteraction(dtime, flags.show_hud, flags.show_debug);
1738                 updateFrame(&graph, &stats, dtime, cam_view);
1739                 updateProfilerGraphs(&graph);
1740
1741                 // Update if minimap has been disabled by the server
1742                 flags.show_minimap &= client->shouldShowMinimap();
1743         }
1744 }
1745
1746
1747 void Game::shutdown()
1748 {
1749         RenderingEngine::finalize();
1750 #if IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR <= 8
1751         if (g_settings->get("3d_mode") == "pageflip") {
1752                 driver->setRenderTarget(irr::video::ERT_STEREO_BOTH_BUFFERS);
1753         }
1754 #endif
1755         if (current_formspec)
1756                 current_formspec->quitMenu();
1757
1758         showOverlayMessage("Shutting down...", 0, 0, false);
1759
1760         if (clouds)
1761                 clouds->drop();
1762
1763         if (gui_chat_console)
1764                 gui_chat_console->drop();
1765
1766         if (sky)
1767                 sky->drop();
1768
1769         /* cleanup menus */
1770         while (g_menumgr.menuCount() > 0) {
1771                 g_menumgr.m_stack.front()->setVisible(false);
1772                 g_menumgr.deletingMenu(g_menumgr.m_stack.front());
1773         }
1774
1775         if (current_formspec) {
1776                 current_formspec->drop();
1777                 current_formspec = NULL;
1778         }
1779
1780         chat_backend->addMessage(L"", L"# Disconnected.");
1781         chat_backend->addMessage(L"", L"");
1782
1783         if (client) {
1784                 client->Stop();
1785                 while (!client->isShutdown()) {
1786                         assert(texture_src != NULL);
1787                         assert(shader_src != NULL);
1788                         texture_src->processQueue();
1789                         shader_src->processQueue();
1790                         sleep_ms(100);
1791                 }
1792         }
1793 }
1794
1795
1796 /****************************************************************************/
1797 /****************************************************************************
1798  Startup
1799  ****************************************************************************/
1800 /****************************************************************************/
1801
1802 bool Game::init(
1803                 const std::string &map_dir,
1804                 std::string *address,
1805                 u16 port,
1806                 const SubgameSpec &gamespec)
1807 {
1808         texture_src = createTextureSource();
1809
1810         showOverlayMessage("Loading...", 0, 0);
1811
1812         shader_src = createShaderSource();
1813
1814         itemdef_manager = createItemDefManager();
1815         nodedef_manager = createNodeDefManager();
1816
1817         eventmgr = new EventManager();
1818         quicktune = new QuicktuneShortcutter();
1819
1820         if (!(texture_src && shader_src && itemdef_manager && nodedef_manager
1821                         && eventmgr && quicktune))
1822                 return false;
1823
1824         if (!initSound())
1825                 return false;
1826
1827         // Create a server if not connecting to an existing one
1828         if (address->empty()) {
1829                 if (!createSingleplayerServer(map_dir, gamespec, port, address))
1830                         return false;
1831         }
1832
1833         return true;
1834 }
1835
1836 bool Game::initSound()
1837 {
1838 #if USE_SOUND
1839         if (g_settings->getBool("enable_sound")) {
1840                 infostream << "Attempting to use OpenAL audio" << std::endl;
1841                 sound = createOpenALSoundManager(&soundfetcher);
1842                 if (!sound)
1843                         infostream << "Failed to initialize OpenAL audio" << std::endl;
1844         } else
1845                 infostream << "Sound disabled." << std::endl;
1846 #endif
1847
1848         if (!sound) {
1849                 infostream << "Using dummy audio." << std::endl;
1850                 sound = &dummySoundManager;
1851                 sound_is_dummy = true;
1852         }
1853
1854         soundmaker = new SoundMaker(sound, nodedef_manager);
1855         if (!soundmaker)
1856                 return false;
1857
1858         soundmaker->registerReceiver(eventmgr);
1859
1860         return true;
1861 }
1862
1863 bool Game::createSingleplayerServer(const std::string &map_dir,
1864                 const SubgameSpec &gamespec, u16 port, std::string *address)
1865 {
1866         showOverlayMessage("Creating server...", 0, 5);
1867
1868         std::string bind_str = g_settings->get("bind_address");
1869         Address bind_addr(0, 0, 0, 0, port);
1870
1871         if (g_settings->getBool("ipv6_server")) {
1872                 bind_addr.setAddress((IPv6AddressBytes *) NULL);
1873         }
1874
1875         try {
1876                 bind_addr.Resolve(bind_str.c_str());
1877         } catch (ResolveError &e) {
1878                 infostream << "Resolving bind address \"" << bind_str
1879                            << "\" failed: " << e.what()
1880                            << " -- Listening on all addresses." << std::endl;
1881         }
1882
1883         if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1884                 *error_message = "Unable to listen on " +
1885                                 bind_addr.serializeString() +
1886                                 " because IPv6 is disabled";
1887                 errorstream << *error_message << std::endl;
1888                 return false;
1889         }
1890
1891         server = new Server(map_dir, gamespec, simple_singleplayer_mode, bind_addr, false);
1892         server->start();
1893
1894         return true;
1895 }
1896
1897 bool Game::createClient(const std::string &playername,
1898                 const std::string &password, std::string *address, u16 port)
1899 {
1900         showOverlayMessage("Creating client...", 0, 10);
1901
1902         draw_control = new MapDrawControl;
1903         if (!draw_control)
1904                 return false;
1905
1906         bool could_connect, connect_aborted;
1907
1908         if (!connectToServer(playername, password, address, port,
1909                         &could_connect, &connect_aborted))
1910                 return false;
1911
1912         if (!could_connect) {
1913                 if (error_message->empty() && !connect_aborted) {
1914                         // Should not happen if error messages are set properly
1915                         *error_message = "Connection failed for unknown reason";
1916                         errorstream << *error_message << std::endl;
1917                 }
1918                 return false;
1919         }
1920
1921         if (!getServerContent(&connect_aborted)) {
1922                 if (error_message->empty() && !connect_aborted) {
1923                         // Should not happen if error messages are set properly
1924                         *error_message = "Connection failed for unknown reason";
1925                         errorstream << *error_message << std::endl;
1926                 }
1927                 return false;
1928         }
1929
1930         GameGlobalShaderConstantSetterFactory *scsf = new GameGlobalShaderConstantSetterFactory(
1931                         &flags.force_fog_off, &runData.fog_range, client);
1932         shader_src->addShaderConstantSetterFactory(scsf);
1933
1934         // Update cached textures, meshes and materials
1935         client->afterContentReceived();
1936
1937         /* Camera
1938          */
1939         camera = new Camera(*draw_control, client);
1940         if (!camera || !camera->successfullyCreated(*error_message))
1941                 return false;
1942         client->setCamera(camera);
1943
1944         /* Clouds
1945          */
1946         if (m_cache_enable_clouds) {
1947                 clouds = new Clouds(smgr, -1, time(0));
1948                 if (!clouds) {
1949                         *error_message = "Memory allocation error (clouds)";
1950                         errorstream << *error_message << std::endl;
1951                         return false;
1952                 }
1953         }
1954
1955         /* Skybox
1956          */
1957         sky = new Sky(-1, texture_src);
1958         scsf->setSky(sky);
1959         skybox = NULL;  // This is used/set later on in the main run loop
1960
1961         local_inventory = new Inventory(itemdef_manager);
1962
1963         if (!(sky && local_inventory)) {
1964                 *error_message = "Memory allocation error (sky or local inventory)";
1965                 errorstream << *error_message << std::endl;
1966                 return false;
1967         }
1968
1969         /* Pre-calculated values
1970          */
1971         video::ITexture *t = texture_src->getTexture("crack_anylength.png");
1972         if (t) {
1973                 v2u32 size = t->getOriginalSize();
1974                 crack_animation_length = size.Y / size.X;
1975         } else {
1976                 crack_animation_length = 5;
1977         }
1978
1979         if (!initGui())
1980                 return false;
1981
1982         /* Set window caption
1983          */
1984         std::wstring str = utf8_to_wide(PROJECT_NAME_C);
1985         str += L" ";
1986         str += utf8_to_wide(g_version_hash);
1987         str += L" [";
1988         str += driver->getName();
1989         str += L"]";
1990         device->setWindowCaption(str.c_str());
1991
1992         LocalPlayer *player = client->getEnv().getLocalPlayer();
1993         player->hurt_tilt_timer = 0;
1994         player->hurt_tilt_strength = 0;
1995
1996         hud = new Hud(guienv, client, player, local_inventory);
1997
1998         if (!hud) {
1999                 *error_message = "Memory error: could not create HUD";
2000                 errorstream << *error_message << std::endl;
2001                 return false;
2002         }
2003
2004         mapper = client->getMinimap();
2005         if (mapper)
2006                 mapper->setMinimapMode(MINIMAP_MODE_OFF);
2007
2008         return true;
2009 }
2010
2011 bool Game::initGui()
2012 {
2013         // First line of debug text
2014         guitext = addStaticText(guienv,
2015                         utf8_to_wide(PROJECT_NAME_C).c_str(),
2016                         core::rect<s32>(0, 0, 0, 0),
2017                         false, false, guiroot);
2018
2019         // Second line of debug text
2020         guitext2 = addStaticText(guienv,
2021                         L"",
2022                         core::rect<s32>(0, 0, 0, 0),
2023                         false, false, guiroot);
2024
2025         // At the middle of the screen
2026         // Object infos are shown in this
2027         guitext_info = addStaticText(guienv,
2028                         L"",
2029                         core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5) + v2s32(100, 200),
2030                         false, true, guiroot);
2031
2032         // Status text (displays info when showing and hiding GUI stuff, etc.)
2033         guitext_status = addStaticText(guienv,
2034                         L"<Status>",
2035                         core::rect<s32>(0, 0, 0, 0),
2036                         false, false, guiroot);
2037         guitext_status->setVisible(false);
2038
2039         // Chat text
2040         guitext_chat = addStaticText(
2041                         guienv,
2042                         L"",
2043                         core::rect<s32>(0, 0, 0, 0),
2044                         //false, false); // Disable word wrap as of now
2045                         false, true, guiroot);
2046
2047         // Remove stale "recent" chat messages from previous connections
2048         chat_backend->clearRecentChat();
2049
2050         // Make sure the size of the recent messages buffer is right
2051         chat_backend->applySettings();
2052
2053         // Chat backend and console
2054         gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(),
2055                         -1, chat_backend, client, &g_menumgr);
2056         if (!gui_chat_console) {
2057                 *error_message = "Could not allocate memory for chat console";
2058                 errorstream << *error_message << std::endl;
2059                 return false;
2060         }
2061
2062         // Profiler text (size is updated when text is updated)
2063         guitext_profiler = addStaticText(guienv,
2064                         L"<Profiler>",
2065                         core::rect<s32>(0, 0, 0, 0),
2066                         false, false, guiroot);
2067         guitext_profiler->setBackgroundColor(video::SColor(120, 0, 0, 0));
2068         guitext_profiler->setVisible(false);
2069         guitext_profiler->setWordWrap(true);
2070
2071 #ifdef HAVE_TOUCHSCREENGUI
2072
2073         if (g_touchscreengui)
2074                 g_touchscreengui->init(texture_src);
2075
2076 #endif
2077
2078         return true;
2079 }
2080
2081 bool Game::connectToServer(const std::string &playername,
2082                 const std::string &password, std::string *address, u16 port,
2083                 bool *connect_ok, bool *aborted)
2084 {
2085         *connect_ok = false;    // Let's not be overly optimistic
2086         *aborted = false;
2087         bool local_server_mode = false;
2088
2089         showOverlayMessage("Resolving address...", 0, 15);
2090
2091         Address connect_address(0, 0, 0, 0, port);
2092
2093         try {
2094                 connect_address.Resolve(address->c_str());
2095
2096                 if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
2097                         //connect_address.Resolve("localhost");
2098                         if (connect_address.isIPv6()) {
2099                                 IPv6AddressBytes addr_bytes;
2100                                 addr_bytes.bytes[15] = 1;
2101                                 connect_address.setAddress(&addr_bytes);
2102                         } else {
2103                                 connect_address.setAddress(127, 0, 0, 1);
2104                         }
2105                         local_server_mode = true;
2106                 }
2107         } catch (ResolveError &e) {
2108                 *error_message = std::string("Couldn't resolve address: ") + e.what();
2109                 errorstream << *error_message << std::endl;
2110                 return false;
2111         }
2112
2113         if (connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
2114                 *error_message = "Unable to connect to " +
2115                                 connect_address.serializeString() +
2116                                 " because IPv6 is disabled";
2117                 errorstream << *error_message << std::endl;
2118                 return false;
2119         }
2120
2121         client = new Client(playername.c_str(), password, *address,
2122                         *draw_control, texture_src, shader_src,
2123                         itemdef_manager, nodedef_manager, sound, eventmgr,
2124                         connect_address.isIPv6(), &flags);
2125
2126         if (!client)
2127                 return false;
2128
2129         infostream << "Connecting to server at ";
2130         connect_address.print(&infostream);
2131         infostream << std::endl;
2132
2133         client->connect(connect_address,
2134                 simple_singleplayer_mode || local_server_mode);
2135
2136         /*
2137                 Wait for server to accept connection
2138         */
2139
2140         try {
2141                 input->clear();
2142
2143                 FpsControl fps_control = { 0 };
2144                 f32 dtime;
2145                 f32 wait_time = 0; // in seconds
2146
2147                 fps_control.last_time = RenderingEngine::get_timer_time();
2148
2149                 client->loadBuiltin();
2150
2151                 while (RenderingEngine::run()) {
2152
2153                         limitFps(&fps_control, &dtime);
2154
2155                         // Update client and server
2156                         client->step(dtime);
2157
2158                         if (server != NULL)
2159                                 server->step(dtime);
2160
2161                         // End condition
2162                         if (client->getState() == LC_Init) {
2163                                 *connect_ok = true;
2164                                 break;
2165                         }
2166
2167                         // Break conditions
2168                         if (client->accessDenied()) {
2169                                 *error_message = "Access denied. Reason: "
2170                                                 + client->accessDeniedReason();
2171                                 *reconnect_requested = client->reconnectRequested();
2172                                 errorstream << *error_message << std::endl;
2173                                 break;
2174                         }
2175
2176                         if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2177                                 *aborted = true;
2178                                 infostream << "Connect aborted [Escape]" << std::endl;
2179                                 break;
2180                         }
2181
2182                         wait_time += dtime;
2183                         // Only time out if we aren't waiting for the server we started
2184                         if (!address->empty() && wait_time > 10) {
2185                                 *error_message = "Connection timed out.";
2186                                 errorstream << *error_message << std::endl;
2187                                 break;
2188                         }
2189
2190                         // Update status
2191                         showOverlayMessage("Connecting to server...", dtime, 20);
2192                 }
2193         } catch (con::PeerNotFoundException &e) {
2194                 // TODO: Should something be done here? At least an info/error
2195                 // message?
2196                 return false;
2197         }
2198
2199         return true;
2200 }
2201
2202 bool Game::getServerContent(bool *aborted)
2203 {
2204         input->clear();
2205
2206         FpsControl fps_control = { 0 };
2207         f32 dtime; // in seconds
2208
2209         fps_control.last_time = RenderingEngine::get_timer_time();
2210
2211         while (RenderingEngine::run()) {
2212
2213                 limitFps(&fps_control, &dtime);
2214
2215                 // Update client and server
2216                 client->step(dtime);
2217
2218                 if (server != NULL)
2219                         server->step(dtime);
2220
2221                 // End condition
2222                 if (client->mediaReceived() && client->itemdefReceived() &&
2223                                 client->nodedefReceived()) {
2224                         break;
2225                 }
2226
2227                 // Error conditions
2228                 if (!checkConnection())
2229                         return false;
2230
2231                 if (client->getState() < LC_Init) {
2232                         *error_message = "Client disconnected";
2233                         errorstream << *error_message << std::endl;
2234                         return false;
2235                 }
2236
2237                 if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2238                         *aborted = true;
2239                         infostream << "Connect aborted [Escape]" << std::endl;
2240                         return false;
2241                 }
2242
2243                 // Display status
2244                 int progress = 25;
2245
2246                 if (!client->itemdefReceived()) {
2247                         const wchar_t *text = wgettext("Item definitions...");
2248                         progress = 25;
2249                         RenderingEngine::draw_load_screen(text, guienv, texture_src,
2250                                 dtime, progress);
2251                         delete[] text;
2252                 } else if (!client->nodedefReceived()) {
2253                         const wchar_t *text = wgettext("Node definitions...");
2254                         progress = 30;
2255                         RenderingEngine::draw_load_screen(text, guienv, texture_src,
2256                                 dtime, progress);
2257                         delete[] text;
2258                 } else {
2259                         std::stringstream message;
2260                         std::fixed(message);
2261                         message.precision(0);
2262                         message << gettext("Media...") << " " << (client->mediaReceiveProgress()*100) << "%";
2263                         message.precision(2);
2264
2265                         if ((USE_CURL == 0) ||
2266                                         (!g_settings->getBool("enable_remote_media_server"))) {
2267                                 float cur = client->getCurRate();
2268                                 std::string cur_unit = gettext("KiB/s");
2269
2270                                 if (cur > 900) {
2271                                         cur /= 1024.0;
2272                                         cur_unit = gettext("MiB/s");
2273                                 }
2274
2275                                 message << " (" << cur << ' ' << cur_unit << ")";
2276                         }
2277
2278                         progress = 30 + client->mediaReceiveProgress() * 35 + 0.5;
2279                         RenderingEngine::draw_load_screen(utf8_to_wide(message.str()), guienv,
2280                                 texture_src, dtime, progress);
2281                 }
2282         }
2283
2284         return true;
2285 }
2286
2287
2288 /****************************************************************************/
2289 /****************************************************************************
2290  Run
2291  ****************************************************************************/
2292 /****************************************************************************/
2293
2294 inline void Game::updateInteractTimers(f32 dtime)
2295 {
2296         if (runData.nodig_delay_timer >= 0)
2297                 runData.nodig_delay_timer -= dtime;
2298
2299         if (runData.object_hit_delay_timer >= 0)
2300                 runData.object_hit_delay_timer -= dtime;
2301
2302         runData.time_from_last_punch += dtime;
2303 }
2304
2305
2306 /* returns false if game should exit, otherwise true
2307  */
2308 inline bool Game::checkConnection()
2309 {
2310         if (client->accessDenied()) {
2311                 *error_message = "Access denied. Reason: "
2312                                 + client->accessDeniedReason();
2313                 *reconnect_requested = client->reconnectRequested();
2314                 errorstream << *error_message << std::endl;
2315                 return false;
2316         }
2317
2318         return true;
2319 }
2320
2321
2322 /* returns false if game should exit, otherwise true
2323  */
2324 inline bool Game::handleCallbacks()
2325 {
2326         if (g_gamecallback->disconnect_requested) {
2327                 g_gamecallback->disconnect_requested = false;
2328                 return false;
2329         }
2330
2331         if (g_gamecallback->changepassword_requested) {
2332                 (new GUIPasswordChange(guienv, guiroot, -1,
2333                                        &g_menumgr, client))->drop();
2334                 g_gamecallback->changepassword_requested = false;
2335         }
2336
2337         if (g_gamecallback->changevolume_requested) {
2338                 (new GUIVolumeChange(guienv, guiroot, -1,
2339                                      &g_menumgr))->drop();
2340                 g_gamecallback->changevolume_requested = false;
2341         }
2342
2343         if (g_gamecallback->keyconfig_requested) {
2344                 (new GUIKeyChangeMenu(guienv, guiroot, -1,
2345                                       &g_menumgr))->drop();
2346                 g_gamecallback->keyconfig_requested = false;
2347         }
2348
2349         if (g_gamecallback->keyconfig_changed) {
2350                 keycache.populate(); // update the cache with new settings
2351                 g_gamecallback->keyconfig_changed = false;
2352         }
2353
2354         return true;
2355 }
2356
2357
2358 void Game::processQueues()
2359 {
2360         texture_src->processQueue();
2361         itemdef_manager->processQueue(client);
2362         shader_src->processQueue();
2363 }
2364
2365
2366 void Game::updateProfilers(const RunStats &stats, const FpsControl &draw_times, f32 dtime)
2367 {
2368         float profiler_print_interval =
2369                         g_settings->getFloat("profiler_print_interval");
2370         bool print_to_log = true;
2371
2372         if (profiler_print_interval == 0) {
2373                 print_to_log = false;
2374                 profiler_print_interval = 5;
2375         }
2376
2377         if (profiler_interval.step(dtime, profiler_print_interval)) {
2378                 if (print_to_log) {
2379                         infostream << "Profiler:" << std::endl;
2380                         g_profiler->print(infostream);
2381                 }
2382
2383                 update_profiler_gui(guitext_profiler, g_fontengine,
2384                                 runData.profiler_current_page, runData.profiler_max_page,
2385                                 driver->getScreenSize().Height);
2386
2387                 g_profiler->clear();
2388         }
2389
2390         addProfilerGraphs(stats, draw_times, dtime);
2391 }
2392
2393
2394 void Game::addProfilerGraphs(const RunStats &stats,
2395                 const FpsControl &draw_times, f32 dtime)
2396 {
2397         g_profiler->graphAdd("mainloop_other",
2398                         draw_times.busy_time / 1000.0f - stats.drawtime / 1000.0f);
2399
2400         if (draw_times.sleep_time != 0)
2401                 g_profiler->graphAdd("mainloop_sleep", draw_times.sleep_time / 1000.0f);
2402         g_profiler->graphAdd("mainloop_dtime", dtime);
2403
2404         g_profiler->add("Elapsed time", dtime);
2405         g_profiler->avg("FPS", 1. / dtime);
2406 }
2407
2408
2409 void Game::updateStats(RunStats *stats, const FpsControl &draw_times,
2410                 f32 dtime)
2411 {
2412
2413         f32 jitter;
2414         Jitter *jp;
2415
2416         /* Time average and jitter calculation
2417          */
2418         jp = &stats->dtime_jitter;
2419         jp->avg = jp->avg * 0.96 + dtime * 0.04;
2420
2421         jitter = dtime - jp->avg;
2422
2423         if (jitter > jp->max)
2424                 jp->max = jitter;
2425
2426         jp->counter += dtime;
2427
2428         if (jp->counter > 0.0) {
2429                 jp->counter -= 3.0;
2430                 jp->max_sample = jp->max;
2431                 jp->max_fraction = jp->max_sample / (jp->avg + 0.001);
2432                 jp->max = 0.0;
2433         }
2434
2435         /* Busytime average and jitter calculation
2436          */
2437         jp = &stats->busy_time_jitter;
2438         jp->avg = jp->avg + draw_times.busy_time * 0.02;
2439
2440         jitter = draw_times.busy_time - jp->avg;
2441
2442         if (jitter > jp->max)
2443                 jp->max = jitter;
2444         if (jitter < jp->min)
2445                 jp->min = jitter;
2446
2447         jp->counter += dtime;
2448
2449         if (jp->counter > 0.0) {
2450                 jp->counter -= 3.0;
2451                 jp->max_sample = jp->max;
2452                 jp->min_sample = jp->min;
2453                 jp->max = 0.0;
2454                 jp->min = 0.0;
2455         }
2456 }
2457
2458
2459
2460 /****************************************************************************
2461  Input handling
2462  ****************************************************************************/
2463
2464 void Game::processUserInput(f32 dtime)
2465 {
2466         // Reset input if window not active or some menu is active
2467         if (!device->isWindowActive() || isMenuActive() || guienv->hasFocus(gui_chat_console)) {
2468                 input->clear();
2469 #ifdef HAVE_TOUCHSCREENGUI
2470                 g_touchscreengui->hide();
2471 #endif
2472         }
2473 #ifdef HAVE_TOUCHSCREENGUI
2474         else if (g_touchscreengui) {
2475                 /* on touchscreengui step may generate own input events which ain't
2476                  * what we want in case we just did clear them */
2477                 g_touchscreengui->step(dtime);
2478         }
2479 #endif
2480
2481         if (!guienv->hasFocus(gui_chat_console) && gui_chat_console->isOpen()) {
2482                 gui_chat_console->closeConsoleAtOnce();
2483         }
2484
2485         // Input handler step() (used by the random input generator)
2486         input->step(dtime);
2487
2488 #ifdef __ANDROID__
2489         if (current_formspec != NULL)
2490                 current_formspec->getAndroidUIInput();
2491         else
2492                 handleAndroidChatInput();
2493 #endif
2494
2495         // Increase timer for double tap of "keymap_jump"
2496         if (m_cache_doubletap_jump && runData.jump_timer <= 0.2f)
2497                 runData.jump_timer += dtime;
2498
2499         processKeyInput();
2500         processItemSelection(&runData.new_playeritem);
2501 }
2502
2503
2504 void Game::processKeyInput()
2505 {
2506         if (wasKeyDown(KeyType::DROP)) {
2507                 dropSelectedItem(isKeyDown(KeyType::SNEAK));
2508         } else if (wasKeyDown(KeyType::AUTOFORWARD)) {
2509                 toggleAutoforward();
2510         } else if (wasKeyDown(KeyType::INVENTORY)) {
2511                 openInventory();
2512         } else if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2513                 if (!gui_chat_console->isOpenInhibited()) {
2514                         showPauseMenu();
2515                 }
2516         } else if (wasKeyDown(KeyType::CHAT)) {
2517                 openConsole(0.2, L"");
2518         } else if (wasKeyDown(KeyType::CMD)) {
2519                 openConsole(0.2, L"/");
2520         } else if (wasKeyDown(KeyType::CMD_LOCAL)) {
2521                 openConsole(0.2, L".");
2522         } else if (wasKeyDown(KeyType::CONSOLE)) {
2523                 openConsole(core::clamp(g_settings->getFloat("console_height"), 0.1f, 1.0f));
2524         } else if (wasKeyDown(KeyType::FREEMOVE)) {
2525                 toggleFreeMove();
2526         } else if (wasKeyDown(KeyType::JUMP)) {
2527                 toggleFreeMoveAlt();
2528         } else if (wasKeyDown(KeyType::FASTMOVE)) {
2529                 toggleFast();
2530         } else if (wasKeyDown(KeyType::NOCLIP)) {
2531                 toggleNoClip();
2532         } else if (wasKeyDown(KeyType::MUTE)) {
2533                 bool new_mute_sound = !g_settings->getBool("mute_sound");
2534                 g_settings->setBool("mute_sound", new_mute_sound);
2535                 if (new_mute_sound)
2536                         showStatusTextSimple("Sound muted");
2537                 else
2538                         showStatusTextSimple("Sound unmuted");
2539                 runData.statustext_time = 0;
2540         } else if (wasKeyDown(KeyType::INC_VOLUME)) {
2541                 float new_volume = rangelim(g_settings->getFloat("sound_volume") + 0.1f, 0.0f, 1.0f);
2542                 wchar_t buf[100];
2543                 g_settings->setFloat("sound_volume", new_volume);
2544                 const wchar_t *str = wgettext("Volume changed to %d%%");
2545                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, myround(new_volume * 100));
2546                 delete[] str;
2547                 m_statustext = buf;
2548                 runData.statustext_time = 0;
2549         } else if (wasKeyDown(KeyType::DEC_VOLUME)) {
2550                 float new_volume = rangelim(g_settings->getFloat("sound_volume") - 0.1f, 0.0f, 1.0f);
2551                 wchar_t buf[100];
2552                 g_settings->setFloat("sound_volume", new_volume);
2553                 const wchar_t *str = wgettext("Volume changed to %d%%");
2554                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, myround(new_volume * 100));
2555                 delete[] str;
2556                 m_statustext = buf;
2557                 runData.statustext_time = 0;
2558         } else if (wasKeyDown(KeyType::CINEMATIC)) {
2559                 toggleCinematic();
2560         } else if (wasKeyDown(KeyType::SCREENSHOT)) {
2561                 client->makeScreenshot();
2562         } else if (wasKeyDown(KeyType::TOGGLE_HUD)) {
2563                 toggleHud();
2564         } else if (wasKeyDown(KeyType::MINIMAP)) {
2565                 toggleMinimap(isKeyDown(KeyType::SNEAK));
2566         } else if (wasKeyDown(KeyType::TOGGLE_CHAT)) {
2567                 toggleChat();
2568         } else if (wasKeyDown(KeyType::TOGGLE_FORCE_FOG_OFF)) {
2569                 toggleFog();
2570         } else if (wasKeyDown(KeyType::TOGGLE_UPDATE_CAMERA)) {
2571                 toggleUpdateCamera();
2572         } else if (wasKeyDown(KeyType::TOGGLE_DEBUG)) {
2573                 toggleDebug();
2574         } else if (wasKeyDown(KeyType::TOGGLE_PROFILER)) {
2575                 toggleProfiler();
2576         } else if (wasKeyDown(KeyType::INCREASE_VIEWING_RANGE)) {
2577                 increaseViewRange();
2578         } else if (wasKeyDown(KeyType::DECREASE_VIEWING_RANGE)) {
2579                 decreaseViewRange();
2580         } else if (wasKeyDown(KeyType::RANGESELECT)) {
2581                 toggleFullViewRange();
2582         } else if (wasKeyDown(KeyType::QUICKTUNE_NEXT)) {
2583                 quicktune->next();
2584         } else if (wasKeyDown(KeyType::QUICKTUNE_PREV)) {
2585                 quicktune->prev();
2586         } else if (wasKeyDown(KeyType::QUICKTUNE_INC)) {
2587                 quicktune->inc();
2588         } else if (wasKeyDown(KeyType::QUICKTUNE_DEC)) {
2589                 quicktune->dec();
2590         }
2591
2592         if (!isKeyDown(KeyType::JUMP) && runData.reset_jump_timer) {
2593                 runData.reset_jump_timer = false;
2594                 runData.jump_timer = 0.0f;
2595         }
2596
2597         if (quicktune->hasMessage()) {
2598                 m_statustext = utf8_to_wide(quicktune->getMessage());
2599                 runData.statustext_time = 0.0f;
2600         }
2601 }
2602
2603 void Game::processItemSelection(u16 *new_playeritem)
2604 {
2605         LocalPlayer *player = client->getEnv().getLocalPlayer();
2606
2607         /* Item selection using mouse wheel
2608          */
2609         *new_playeritem = client->getPlayerItem();
2610
2611         s32 wheel = input->getMouseWheel();
2612         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE - 1,
2613                     player->hud_hotbar_itemcount - 1);
2614
2615         s32 dir = wheel;
2616
2617         if (input->joystick.wasKeyDown(KeyType::SCROLL_DOWN) ||
2618                         wasKeyDown(KeyType::HOTBAR_NEXT)) {
2619                 dir = -1;
2620         }
2621
2622         if (input->joystick.wasKeyDown(KeyType::SCROLL_UP) ||
2623                         wasKeyDown(KeyType::HOTBAR_PREV)) {
2624                 dir = 1;
2625         }
2626
2627         if (dir < 0)
2628                 *new_playeritem = *new_playeritem < max_item ? *new_playeritem + 1 : 0;
2629         else if (dir > 0)
2630                 *new_playeritem = *new_playeritem > 0 ? *new_playeritem - 1 : max_item;
2631         // else dir == 0
2632
2633         /* Item selection using hotbar slot keys
2634          */
2635         for (u16 i = 0; i < 23; i++) {
2636                 if (wasKeyDown((GameKeyType) (KeyType::SLOT_1 + i))) {
2637                         if (i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount) {
2638                                 *new_playeritem = i;
2639                                 infostream << "Selected item: " << new_playeritem << std::endl;
2640                         }
2641                         break;
2642                 }
2643         }
2644 }
2645
2646
2647 void Game::dropSelectedItem(bool single_item)
2648 {
2649         IDropAction *a = new IDropAction();
2650         a->count = single_item ? 1 : 0;
2651         a->from_inv.setCurrentPlayer();
2652         a->from_list = "main";
2653         a->from_i = client->getPlayerItem();
2654         client->inventoryAction(a);
2655 }
2656
2657
2658 void Game::openInventory()
2659 {
2660         /*
2661          * Don't permit to open inventory is CAO or player doesn't exists.
2662          * This prevent showing an empty inventory at player load
2663          */
2664
2665         LocalPlayer *player = client->getEnv().getLocalPlayer();
2666         if (!player || !player->getCAO())
2667                 return;
2668
2669         infostream << "the_game: " << "Launching inventory" << std::endl;
2670
2671         PlayerInventoryFormSource *fs_src = new PlayerInventoryFormSource(client);
2672
2673         InventoryLocation inventoryloc;
2674         inventoryloc.setCurrentPlayer();
2675
2676         if (!client->moddingEnabled()
2677                         || !client->getScript()->on_inventory_open(fs_src->m_client->getInventory(inventoryloc))) {
2678                 TextDest *txt_dst = new TextDestPlayerInventory(client);
2679                 create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
2680                 cur_formname = "";
2681                 current_formspec->setFormSpec(fs_src->getForm(), inventoryloc);
2682         }
2683 }
2684
2685
2686 void Game::openConsole(float scale, const wchar_t *line)
2687 {
2688         assert(scale > 0.0f && scale <= 1.0f);
2689
2690 #ifdef __ANDROID__
2691         porting::showInputDialog(gettext("ok"), "", "", 2);
2692         m_android_chat_open = true;
2693 #else
2694         if (gui_chat_console->isOpenInhibited())
2695                 return;
2696         gui_chat_console->openConsole(scale);
2697         if (line) {
2698                 gui_chat_console->setCloseOnEnter(true);
2699                 gui_chat_console->replaceAndAddToHistory(line);
2700         }
2701 #endif
2702 }
2703
2704 #ifdef __ANDROID__
2705 void Game::handleAndroidChatInput()
2706 {
2707         if (m_android_chat_open && porting::getInputDialogState() == 0) {
2708                 std::string text = porting::getInputDialogValue();
2709                 client->typeChatMessage(utf8_to_wide(text));
2710         }
2711 }
2712 #endif
2713
2714
2715 void Game::toggleFreeMove()
2716 {
2717         bool free_move = !g_settings->getBool("free_move");
2718         g_settings->set("free_move", bool_to_cstr(free_move));
2719
2720         runData.statustext_time = 0;
2721
2722         if (free_move) {
2723                 if (client->checkPrivilege("fly")) {
2724                         showStatusTextSimple("Fly mode enabled");
2725                 } else {
2726                         showStatusTextSimple("Fly mode enabled (note: no 'fly' privilege)");
2727                 }
2728         } else {
2729                 showStatusTextSimple("Fly mode disabled");
2730         }
2731 }
2732
2733
2734 void Game::toggleFreeMoveAlt()
2735 {
2736         if (m_cache_doubletap_jump && runData.jump_timer < 0.2f)
2737                 toggleFreeMove();
2738
2739         runData.reset_jump_timer = true;
2740 }
2741
2742
2743 void Game::toggleFast()
2744 {
2745         bool fast_move = !g_settings->getBool("fast_move");
2746         g_settings->set("fast_move", bool_to_cstr(fast_move));
2747
2748         runData.statustext_time = 0;
2749
2750         if (fast_move) {
2751                 if (client->checkPrivilege("fast")) {
2752                         showStatusTextSimple("Fast mode enabled");
2753                 } else {
2754                         showStatusTextSimple("Fast mode enabled (note: no 'fast' privilege)");
2755                 }
2756         } else {
2757                 showStatusTextSimple("Fast mode disabled");
2758         }
2759
2760 #ifdef __ANDROID__
2761         m_cache_hold_aux1 = fast_move && has_fast_privs;
2762 #endif
2763 }
2764
2765
2766 void Game::toggleNoClip()
2767 {
2768         bool noclip = !g_settings->getBool("noclip");
2769         g_settings->set("noclip", bool_to_cstr(noclip));
2770
2771         runData.statustext_time = 0;
2772         if (noclip) {
2773                 if (client->checkPrivilege("noclip")) {
2774                         showStatusTextSimple("Noclip mode enabled");
2775                 } else {
2776                         showStatusTextSimple("Noclip mode enabled (note: no 'noclip' privilege)");
2777                 }
2778         } else {
2779                 showStatusTextSimple("Noclip mode disabled");
2780         }
2781 }
2782
2783 void Game::toggleCinematic()
2784 {
2785         bool cinematic = !g_settings->getBool("cinematic");
2786         g_settings->set("cinematic", bool_to_cstr(cinematic));
2787
2788         runData.statustext_time = 0;
2789         if (cinematic)
2790                 showStatusTextSimple("Cinematic mode enabled");
2791         else
2792                 showStatusTextSimple("Cinematic mode disabled");
2793 }
2794
2795 // Autoforward by toggling continuous forward.
2796 void Game::toggleAutoforward()
2797 {
2798         bool autorun_enabled = !g_settings->getBool("continuous_forward");
2799         g_settings->set("continuous_forward", bool_to_cstr(autorun_enabled));
2800
2801         runData.statustext_time = 0;
2802         if (autorun_enabled)
2803                 showStatusTextSimple("Automatic forwards enabled");
2804         else
2805                 showStatusTextSimple("Automatic forwards disabled");
2806 }
2807
2808 void Game::toggleChat()
2809 {
2810         flags.show_chat = !flags.show_chat;
2811         runData.statustext_time = 0;
2812         if (flags.show_chat)
2813                 showStatusTextSimple("Chat shown");
2814         else
2815                 showStatusTextSimple("Chat hidden");
2816 }
2817
2818
2819 void Game::toggleHud()
2820 {
2821         flags.show_hud = !flags.show_hud;
2822         runData.statustext_time = 0;
2823         if (flags.show_hud)
2824                 showStatusTextSimple("HUD shown");
2825         else
2826                 showStatusTextSimple("HUD hidden");
2827 }
2828
2829 void Game::toggleMinimap(bool shift_pressed)
2830 {
2831         if (!mapper || !flags.show_hud || !g_settings->getBool("enable_minimap"))
2832                 return;
2833
2834         if (shift_pressed) {
2835                 mapper->toggleMinimapShape();
2836                 return;
2837         }
2838
2839         u32 hud_flags = client->getEnv().getLocalPlayer()->hud_flags;
2840
2841         MinimapMode mode = MINIMAP_MODE_OFF;
2842         if (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) {
2843                 mode = mapper->getMinimapMode();
2844                 mode = (MinimapMode)((int)mode + 1);
2845                 // If radar is disabled and in, or switching to, radar mode
2846                 if (!(hud_flags & HUD_FLAG_MINIMAP_RADAR_VISIBLE) && mode > 3)
2847                         mode = MINIMAP_MODE_OFF;
2848         }
2849
2850         flags.show_minimap = true;
2851         switch (mode) {
2852                 case MINIMAP_MODE_SURFACEx1:
2853                         showStatusTextSimple("Minimap in surface mode, Zoom x1");
2854                         break;
2855                 case MINIMAP_MODE_SURFACEx2:
2856                         showStatusTextSimple("Minimap in surface mode, Zoom x2");
2857                         break;
2858                 case MINIMAP_MODE_SURFACEx4:
2859                         showStatusTextSimple("Minimap in surface mode, Zoom x4");
2860                         break;
2861                 case MINIMAP_MODE_RADARx1:
2862                         showStatusTextSimple("Minimap in radar mode, Zoom x1");
2863                         break;
2864                 case MINIMAP_MODE_RADARx2:
2865                         showStatusTextSimple("Minimap in radar mode, Zoom x2");
2866                         break;
2867                 case MINIMAP_MODE_RADARx4:
2868                         showStatusTextSimple("Minimap in radar mode, Zoom x4");
2869                         break;
2870                 default:
2871                         mode = MINIMAP_MODE_OFF;
2872                         flags.show_minimap = false;
2873                         if (hud_flags & HUD_FLAG_MINIMAP_VISIBLE)
2874                                 showStatusTextSimple("Minimap hidden");
2875                         else
2876                                 showStatusTextSimple("Minimap disabled by server");
2877         }
2878
2879         runData.statustext_time = 0;
2880         mapper->setMinimapMode(mode);
2881 }
2882
2883 void Game::toggleFog()
2884 {
2885         flags.force_fog_off = !flags.force_fog_off;
2886         runData.statustext_time = 0;
2887         if (flags.force_fog_off)
2888                 showStatusTextSimple("Fog disabled");
2889         else
2890                 showStatusTextSimple("Fog enabled");
2891 }
2892
2893
2894 void Game::toggleDebug()
2895 {
2896         // Initial / 4x toggle: Chat only
2897         // 1x toggle: Debug text with chat
2898         // 2x toggle: Debug text with profiler graph
2899         // 3x toggle: Debug text and wireframe
2900         if (!flags.show_debug) {
2901                 flags.show_debug = true;
2902                 flags.show_profiler_graph = false;
2903                 draw_control->show_wireframe = false;
2904                 showStatusTextSimple("Debug info shown");
2905         } else if (!flags.show_profiler_graph && !draw_control->show_wireframe) {
2906                 flags.show_profiler_graph = true;
2907                 showStatusTextSimple("Profiler graph shown");
2908         } else if (!draw_control->show_wireframe && client->checkPrivilege("debug")) {
2909                 flags.show_profiler_graph = false;
2910                 draw_control->show_wireframe = true;
2911                 showStatusTextSimple("Wireframe shown");
2912         } else {
2913                 flags.show_debug = false;
2914                 flags.show_profiler_graph = false;
2915                 draw_control->show_wireframe = false;
2916                 if (client->checkPrivilege("debug")) {
2917                         showStatusTextSimple("Debug info, profiler graph, and wireframe hidden");
2918                 } else {
2919                         showStatusTextSimple("Debug info and profiler graph hidden");
2920                 }
2921         }
2922         runData.statustext_time = 0;
2923 }
2924
2925
2926 void Game::toggleUpdateCamera()
2927 {
2928         flags.disable_camera_update = !flags.disable_camera_update;
2929         runData.statustext_time = 0;
2930         if (flags.disable_camera_update)
2931                 showStatusTextSimple("Camera update disabled");
2932         else
2933                 showStatusTextSimple("Camera update enabled");
2934 }
2935
2936
2937 void Game::toggleProfiler()
2938 {
2939         runData.profiler_current_page =
2940                 (runData.profiler_current_page + 1) % (runData.profiler_max_page + 1);
2941
2942         // FIXME: This updates the profiler with incomplete values
2943         update_profiler_gui(guitext_profiler, g_fontengine, runData.profiler_current_page,
2944                 runData.profiler_max_page, driver->getScreenSize().Height);
2945
2946         if (runData.profiler_current_page != 0) {
2947                 wchar_t buf[255];
2948                 const wchar_t* str = wgettext("Profiler shown (page %d of %d)");
2949                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str,
2950                                 runData.profiler_current_page,
2951                                 runData.profiler_max_page);
2952                 delete[] str;
2953                 m_statustext = buf;
2954         } else {
2955                 showStatusTextSimple("Profiler hidden");
2956         }
2957         runData.statustext_time = 0;
2958 }
2959
2960
2961 void Game::increaseViewRange()
2962 {
2963         s16 range = g_settings->getS16("viewing_range");
2964         s16 range_new = range + 10;
2965
2966         wchar_t buf[255];
2967         const wchar_t *str;
2968         if (range_new > 4000) {
2969                 range_new = 4000;
2970                 str = wgettext("Viewing range is at maximum: %d");
2971                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
2972                 delete[] str;
2973                 m_statustext = buf;
2974
2975         } else {
2976                 str = wgettext("Viewing range changed to %d");
2977                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
2978                 delete[] str;
2979                 m_statustext = buf;
2980         }
2981         g_settings->set("viewing_range", itos(range_new));
2982         runData.statustext_time = 0;
2983 }
2984
2985
2986 void Game::decreaseViewRange()
2987 {
2988         s16 range = g_settings->getS16("viewing_range");
2989         s16 range_new = range - 10;
2990
2991         wchar_t buf[255];
2992         const wchar_t *str;
2993         if (range_new < 20) {
2994                 range_new = 20;
2995                 str = wgettext("Viewing range is at minimum: %d");
2996                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
2997                 delete[] str;
2998                 m_statustext = buf;
2999         } else {
3000                 str = wgettext("Viewing range changed to %d");
3001                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
3002                 delete[] str;
3003                 m_statustext = buf;
3004         }
3005         g_settings->set("viewing_range", itos(range_new));
3006         runData.statustext_time = 0;
3007 }
3008
3009
3010 void Game::toggleFullViewRange()
3011 {
3012         draw_control->range_all = !draw_control->range_all;
3013         runData.statustext_time = 0;
3014         if (draw_control->range_all)
3015                 showStatusTextSimple("Enabled unlimited viewing range");
3016         else
3017                 showStatusTextSimple("Disabled unlimited viewing range");
3018 }
3019
3020
3021 void Game::updateCameraDirection(CameraOrientation *cam, float dtime)
3022 {
3023         if ((device->isWindowActive() && device->isWindowFocused()
3024                         && !isMenuActive()) || random_input) {
3025
3026 #ifndef __ANDROID__
3027                 if (!random_input) {
3028                         // Mac OSX gets upset if this is set every frame
3029                         if (device->getCursorControl()->isVisible())
3030                                 device->getCursorControl()->setVisible(false);
3031                 }
3032 #endif
3033
3034                 if (m_first_loop_after_window_activation)
3035                         m_first_loop_after_window_activation = false;
3036                 else
3037                         updateCameraOrientation(cam, dtime);
3038
3039                 input->setMousePos((driver->getScreenSize().Width / 2),
3040                                 (driver->getScreenSize().Height / 2));
3041         } else {
3042
3043 #ifndef ANDROID
3044                 // Mac OSX gets upset if this is set every frame
3045                 if (!device->getCursorControl()->isVisible())
3046                         device->getCursorControl()->setVisible(true);
3047 #endif
3048
3049                 m_first_loop_after_window_activation = true;
3050
3051         }
3052 }
3053
3054 void Game::updateCameraOrientation(CameraOrientation *cam, float dtime)
3055 {
3056 #ifdef HAVE_TOUCHSCREENGUI
3057         if (g_touchscreengui) {
3058                 cam->camera_yaw   += g_touchscreengui->getYawChange();
3059                 cam->camera_pitch  = g_touchscreengui->getPitch();
3060         } else {
3061 #endif
3062
3063                 s32 dx = input->getMousePos().X - (driver->getScreenSize().Width / 2);
3064                 s32 dy = input->getMousePos().Y - (driver->getScreenSize().Height / 2);
3065
3066                 if (m_invert_mouse || camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT) {
3067                         dy = -dy;
3068                 }
3069
3070                 cam->camera_yaw   -= dx * m_cache_mouse_sensitivity;
3071                 cam->camera_pitch += dy * m_cache_mouse_sensitivity;
3072
3073 #ifdef HAVE_TOUCHSCREENGUI
3074         }
3075 #endif
3076
3077         if (m_cache_enable_joysticks) {
3078                 f32 c = m_cache_joystick_frustum_sensitivity * (1.f / 32767.f) * dtime;
3079                 cam->camera_yaw -= input->joystick.getAxisWithoutDead(JA_FRUSTUM_HORIZONTAL) * c;
3080                 cam->camera_pitch += input->joystick.getAxisWithoutDead(JA_FRUSTUM_VERTICAL) * c;
3081         }
3082
3083         cam->camera_pitch = rangelim(cam->camera_pitch, -89.5, 89.5);
3084 }
3085
3086
3087 void Game::updatePlayerControl(const CameraOrientation &cam)
3088 {
3089         //TimeTaker tt("update player control", NULL, PRECISION_NANO);
3090
3091         // DO NOT use the isKeyDown method for the forward, backward, left, right
3092         // buttons, as the code that uses the controls needs to be able to
3093         // distinguish between the two in order to know when to use joysticks.
3094
3095         PlayerControl control(
3096                 input->isKeyDown(keycache.key[KeyType::FORWARD]),
3097                 input->isKeyDown(keycache.key[KeyType::BACKWARD]),
3098                 input->isKeyDown(keycache.key[KeyType::LEFT]),
3099                 input->isKeyDown(keycache.key[KeyType::RIGHT]),
3100                 isKeyDown(KeyType::JUMP),
3101                 isKeyDown(KeyType::SPECIAL1),
3102                 isKeyDown(KeyType::SNEAK),
3103                 isKeyDown(KeyType::ZOOM),
3104                 isLeftPressed(),
3105                 isRightPressed(),
3106                 cam.camera_pitch,
3107                 cam.camera_yaw,
3108                 input->joystick.getAxisWithoutDead(JA_SIDEWARD_MOVE),
3109                 input->joystick.getAxisWithoutDead(JA_FORWARD_MOVE)
3110         );
3111
3112         u32 keypress_bits =
3113                         ( (u32)(isKeyDown(KeyType::FORWARD)                       & 0x1) << 0) |
3114                         ( (u32)(isKeyDown(KeyType::BACKWARD)                      & 0x1) << 1) |
3115                         ( (u32)(isKeyDown(KeyType::LEFT)                          & 0x1) << 2) |
3116                         ( (u32)(isKeyDown(KeyType::RIGHT)                         & 0x1) << 3) |
3117                         ( (u32)(isKeyDown(KeyType::JUMP)                          & 0x1) << 4) |
3118                         ( (u32)(isKeyDown(KeyType::SPECIAL1)                      & 0x1) << 5) |
3119                         ( (u32)(isKeyDown(KeyType::SNEAK)                         & 0x1) << 6) |
3120                         ( (u32)(isLeftPressed()                                   & 0x1) << 7) |
3121                         ( (u32)(isRightPressed()                                  & 0x1) << 8
3122                 );
3123
3124 #ifdef ANDROID
3125         /* For Android, simulate holding down AUX1 (fast move) if the user has
3126          * the fast_move setting toggled on. If there is an aux1 key defined for
3127          * Android then its meaning is inverted (i.e. holding aux1 means walk and
3128          * not fast)
3129          */
3130         if (m_cache_hold_aux1) {
3131                 control.aux1 = control.aux1 ^ true;
3132                 keypress_bits ^= ((u32)(1U << 5));
3133         }
3134 #endif
3135
3136         client->setPlayerControl(control);
3137         LocalPlayer *player = client->getEnv().getLocalPlayer();
3138         player->keyPressed = keypress_bits;
3139
3140         //tt.stop();
3141 }
3142
3143
3144 inline void Game::step(f32 *dtime)
3145 {
3146         bool can_be_and_is_paused =
3147                         (simple_singleplayer_mode && g_menumgr.pausesGame());
3148
3149         if (can_be_and_is_paused) {     // This is for a singleplayer server
3150                 *dtime = 0;             // No time passes
3151         } else {
3152                 if (server != NULL) {
3153                         //TimeTaker timer("server->step(dtime)");
3154                         server->step(*dtime);
3155                 }
3156
3157                 //TimeTaker timer("client.step(dtime)");
3158                 client->step(*dtime);
3159         }
3160 }
3161
3162 const ClientEventHandler Game::clientEventHandler[CLIENTEVENT_MAX] = {
3163         {&Game::handleClientEvent_None},
3164         {&Game::handleClientEvent_PlayerDamage},
3165         {&Game::handleClientEvent_PlayerForceMove},
3166         {&Game::handleClientEvent_Deathscreen},
3167         {&Game::handleClientEvent_ShowFormSpec},
3168         {&Game::handleClientEvent_ShowLocalFormSpec},
3169         {&Game::handleClientEvent_HandleParticleEvent},
3170         {&Game::handleClientEvent_HandleParticleEvent},
3171         {&Game::handleClientEvent_HandleParticleEvent},
3172         {&Game::handleClientEvent_HudAdd},
3173         {&Game::handleClientEvent_HudRemove},
3174         {&Game::handleClientEvent_HudChange},
3175         {&Game::handleClientEvent_SetSky},
3176         {&Game::handleClientEvent_OverrideDayNigthRatio},
3177         {&Game::handleClientEvent_CloudParams},
3178 };
3179
3180 void Game::handleClientEvent_None(ClientEvent *event, CameraOrientation *cam)
3181 {
3182         FATAL_ERROR("ClientEvent type None received");
3183 }
3184
3185 void Game::handleClientEvent_PlayerDamage(ClientEvent *event, CameraOrientation *cam)
3186 {
3187         if (client->getHP() == 0)
3188                 return;
3189
3190         if (client->moddingEnabled()) {
3191                 client->getScript()->on_damage_taken(event->player_damage.amount);
3192         }
3193
3194         runData.damage_flash += 95.0 + 3.2 * event->player_damage.amount;
3195         runData.damage_flash = MYMIN(runData.damage_flash, 127.0);
3196
3197         LocalPlayer *player = client->getEnv().getLocalPlayer();
3198
3199         player->hurt_tilt_timer = 1.5;
3200         player->hurt_tilt_strength =
3201                 rangelim(event->player_damage.amount / 4, 1.0, 4.0);
3202
3203         client->event()->put(new SimpleTriggerEvent("PlayerDamage"));
3204 }
3205
3206 void Game::handleClientEvent_PlayerForceMove(ClientEvent *event, CameraOrientation *cam)
3207 {
3208         cam->camera_yaw = event->player_force_move.yaw;
3209         cam->camera_pitch = event->player_force_move.pitch;
3210 }
3211
3212 void Game::handleClientEvent_Deathscreen(ClientEvent *event, CameraOrientation *cam)
3213 {
3214         // This should be enabled for death formspec in builtin
3215         client->getScript()->on_death();
3216
3217         LocalPlayer *player = client->getEnv().getLocalPlayer();
3218
3219         /* Handle visualization */
3220         runData.damage_flash = 0;
3221         player->hurt_tilt_timer = 0;
3222         player->hurt_tilt_strength = 0;
3223 }
3224
3225 void Game::handleClientEvent_ShowFormSpec(ClientEvent *event, CameraOrientation *cam)
3226 {
3227         if (event->show_formspec.formspec->empty()) {
3228                 if (current_formspec && (event->show_formspec.formname->empty()
3229                         || *(event->show_formspec.formname) == cur_formname)) {
3230                         current_formspec->quitMenu();
3231                 }
3232         } else {
3233                 FormspecFormSource *fs_src =
3234                         new FormspecFormSource(*(event->show_formspec.formspec));
3235                 TextDestPlayerInventory *txt_dst =
3236                         new TextDestPlayerInventory(client, *(event->show_formspec.formname));
3237
3238                 create_formspec_menu(&current_formspec, client, &input->joystick,
3239                         fs_src, txt_dst);
3240                 cur_formname = *(event->show_formspec.formname);
3241         }
3242
3243         delete event->show_formspec.formspec;
3244         delete event->show_formspec.formname;
3245 }
3246
3247 void Game::handleClientEvent_ShowLocalFormSpec(ClientEvent *event, CameraOrientation *cam)
3248 {
3249         FormspecFormSource *fs_src = new FormspecFormSource(*event->show_formspec.formspec);
3250         LocalFormspecHandler *txt_dst =
3251                 new LocalFormspecHandler(*event->show_formspec.formname, client);
3252         create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
3253
3254         delete event->show_formspec.formspec;
3255         delete event->show_formspec.formname;
3256 }
3257
3258 void Game::handleClientEvent_HandleParticleEvent(ClientEvent *event,
3259                 CameraOrientation *cam)
3260 {
3261         LocalPlayer *player = client->getEnv().getLocalPlayer();
3262         client->getParticleManager()->handleParticleEvent(event, client, player);
3263 }
3264
3265 void Game::handleClientEvent_HudAdd(ClientEvent *event, CameraOrientation *cam)
3266 {
3267         LocalPlayer *player = client->getEnv().getLocalPlayer();
3268
3269         u32 id = event->hudadd.id;
3270
3271         HudElement *e = player->getHud(id);
3272
3273         if (e != NULL) {
3274                 delete event->hudadd.pos;
3275                 delete event->hudadd.name;
3276                 delete event->hudadd.scale;
3277                 delete event->hudadd.text;
3278                 delete event->hudadd.align;
3279                 delete event->hudadd.offset;
3280                 delete event->hudadd.world_pos;
3281                 delete event->hudadd.size;
3282                 return;
3283         }
3284
3285         e = new HudElement;
3286         e->type   = (HudElementType)event->hudadd.type;
3287         e->pos    = *event->hudadd.pos;
3288         e->name   = *event->hudadd.name;
3289         e->scale  = *event->hudadd.scale;
3290         e->text   = *event->hudadd.text;
3291         e->number = event->hudadd.number;
3292         e->item   = event->hudadd.item;
3293         e->dir    = event->hudadd.dir;
3294         e->align  = *event->hudadd.align;
3295         e->offset = *event->hudadd.offset;
3296         e->world_pos = *event->hudadd.world_pos;
3297         e->size = *event->hudadd.size;
3298
3299         u32 new_id = player->addHud(e);
3300         //if this isn't true our huds aren't consistent
3301         sanity_check(new_id == id);
3302
3303         delete event->hudadd.pos;
3304         delete event->hudadd.name;
3305         delete event->hudadd.scale;
3306         delete event->hudadd.text;
3307         delete event->hudadd.align;
3308         delete event->hudadd.offset;
3309         delete event->hudadd.world_pos;
3310         delete event->hudadd.size;
3311 }
3312
3313 void Game::handleClientEvent_HudRemove(ClientEvent *event, CameraOrientation *cam)
3314 {
3315         LocalPlayer *player = client->getEnv().getLocalPlayer();
3316         HudElement *e = player->removeHud(event->hudrm.id);
3317         delete e;
3318 }
3319
3320 void Game::handleClientEvent_HudChange(ClientEvent *event, CameraOrientation *cam)
3321 {
3322         LocalPlayer *player = client->getEnv().getLocalPlayer();
3323
3324         u32 id = event->hudchange.id;
3325         HudElement *e = player->getHud(id);
3326
3327         if (e == NULL) {
3328                 delete event->hudchange.v3fdata;
3329                 delete event->hudchange.v2fdata;
3330                 delete event->hudchange.sdata;
3331                 delete event->hudchange.v2s32data;
3332                 return;
3333         }
3334
3335         switch (event->hudchange.stat) {
3336                 case HUD_STAT_POS:
3337                         e->pos = *event->hudchange.v2fdata;
3338                         break;
3339
3340                 case HUD_STAT_NAME:
3341                         e->name = *event->hudchange.sdata;
3342                         break;
3343
3344                 case HUD_STAT_SCALE:
3345                         e->scale = *event->hudchange.v2fdata;
3346                         break;
3347
3348                 case HUD_STAT_TEXT:
3349                         e->text = *event->hudchange.sdata;
3350                         break;
3351
3352                 case HUD_STAT_NUMBER:
3353                         e->number = event->hudchange.data;
3354                         break;
3355
3356                 case HUD_STAT_ITEM:
3357                         e->item = event->hudchange.data;
3358                         break;
3359
3360                 case HUD_STAT_DIR:
3361                         e->dir = event->hudchange.data;
3362                         break;
3363
3364                 case HUD_STAT_ALIGN:
3365                         e->align = *event->hudchange.v2fdata;
3366                         break;
3367
3368                 case HUD_STAT_OFFSET:
3369                         e->offset = *event->hudchange.v2fdata;
3370                         break;
3371
3372                 case HUD_STAT_WORLD_POS:
3373                         e->world_pos = *event->hudchange.v3fdata;
3374                         break;
3375
3376                 case HUD_STAT_SIZE:
3377                         e->size = *event->hudchange.v2s32data;
3378                         break;
3379         }
3380
3381         delete event->hudchange.v3fdata;
3382         delete event->hudchange.v2fdata;
3383         delete event->hudchange.sdata;
3384         delete event->hudchange.v2s32data;
3385 }
3386
3387 void Game::handleClientEvent_SetSky(ClientEvent *event, CameraOrientation *cam)
3388 {
3389         sky->setVisible(false);
3390         // Whether clouds are visible in front of a custom skybox
3391         sky->setCloudsEnabled(event->set_sky.clouds);
3392
3393         if (skybox) {
3394                 skybox->remove();
3395                 skybox = NULL;
3396         }
3397
3398         // Handle according to type
3399         if (*event->set_sky.type == "regular") {
3400                 sky->setVisible(true);
3401                 sky->setCloudsEnabled(true);
3402         } else if (*event->set_sky.type == "skybox" &&
3403                 event->set_sky.params->size() == 6) {
3404                 sky->setFallbackBgColor(*event->set_sky.bgcolor);
3405                 skybox = RenderingEngine::get_scene_manager()->addSkyBoxSceneNode(
3406                         texture_src->getTextureForMesh((*event->set_sky.params)[0]),
3407                         texture_src->getTextureForMesh((*event->set_sky.params)[1]),
3408                         texture_src->getTextureForMesh((*event->set_sky.params)[2]),
3409                         texture_src->getTextureForMesh((*event->set_sky.params)[3]),
3410                         texture_src->getTextureForMesh((*event->set_sky.params)[4]),
3411                         texture_src->getTextureForMesh((*event->set_sky.params)[5]));
3412         }
3413                 // Handle everything else as plain color
3414         else {
3415                 if (*event->set_sky.type != "plain")
3416                         infostream << "Unknown sky type: "
3417                                 << (*event->set_sky.type) << std::endl;
3418
3419                 sky->setFallbackBgColor(*event->set_sky.bgcolor);
3420         }
3421
3422         delete event->set_sky.bgcolor;
3423         delete event->set_sky.type;
3424         delete event->set_sky.params;
3425 }
3426
3427 void Game::handleClientEvent_OverrideDayNigthRatio(ClientEvent *event,
3428                 CameraOrientation *cam)
3429 {
3430         client->getEnv().setDayNightRatioOverride(
3431                 event->override_day_night_ratio.do_override,
3432                 event->override_day_night_ratio.ratio_f * 1000.0f);
3433 }
3434
3435 void Game::handleClientEvent_CloudParams(ClientEvent *event, CameraOrientation *cam)
3436 {
3437         if (!clouds)
3438                 return;
3439
3440         clouds->setDensity(event->cloud_params.density);
3441         clouds->setColorBright(video::SColor(event->cloud_params.color_bright));
3442         clouds->setColorAmbient(video::SColor(event->cloud_params.color_ambient));
3443         clouds->setHeight(event->cloud_params.height);
3444         clouds->setThickness(event->cloud_params.thickness);
3445         clouds->setSpeed(v2f(event->cloud_params.speed_x, event->cloud_params.speed_y));
3446 }
3447
3448 void Game::processClientEvents(CameraOrientation *cam)
3449 {
3450         while (client->hasClientEvents()) {
3451                 std::unique_ptr<ClientEvent> event(client->getClientEvent());
3452                 FATAL_ERROR_IF(event->type >= CLIENTEVENT_MAX, "Invalid clientevent type");
3453                 const ClientEventHandler& evHandler = clientEventHandler[event->type];
3454                 (this->*evHandler.handler)(event.get(), cam);
3455         }
3456 }
3457
3458 void Game::updateCamera(u32 busy_time, f32 dtime)
3459 {
3460         LocalPlayer *player = client->getEnv().getLocalPlayer();
3461
3462         /*
3463                 For interaction purposes, get info about the held item
3464                 - What item is it?
3465                 - Is it a usable item?
3466                 - Can it point to liquids?
3467         */
3468         ItemStack playeritem;
3469         {
3470                 InventoryList *mlist = local_inventory->getList("main");
3471
3472                 if (mlist && client->getPlayerItem() < mlist->getSize())
3473                         playeritem = mlist->getItem(client->getPlayerItem());
3474         }
3475
3476         if (playeritem.getDefinition(itemdef_manager).name.empty()) { // override the hand
3477                 InventoryList *hlist = local_inventory->getList("hand");
3478                 if (hlist)
3479                         playeritem = hlist->getItem(0);
3480         }
3481
3482
3483         ToolCapabilities playeritem_toolcap =
3484                 playeritem.getToolCapabilities(itemdef_manager);
3485
3486         v3s16 old_camera_offset = camera->getOffset();
3487
3488         if (wasKeyDown(KeyType::CAMERA_MODE)) {
3489                 GenericCAO *playercao = player->getCAO();
3490
3491                 // If playercao not loaded, don't change camera
3492                 if (!playercao)
3493                         return;
3494
3495                 camera->toggleCameraMode();
3496
3497                 playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3498                 playercao->setChildrenVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3499         }
3500
3501         float full_punch_interval = playeritem_toolcap.full_punch_interval;
3502         float tool_reload_ratio = runData.time_from_last_punch / full_punch_interval;
3503
3504         tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
3505         camera->update(player, dtime, busy_time / 1000.0f, tool_reload_ratio);
3506         camera->step(dtime);
3507
3508         v3f camera_position = camera->getPosition();
3509         v3f camera_direction = camera->getDirection();
3510         f32 camera_fov = camera->getFovMax();
3511         v3s16 camera_offset = camera->getOffset();
3512
3513         m_camera_offset_changed = (camera_offset != old_camera_offset);
3514
3515         if (!flags.disable_camera_update) {
3516                 client->getEnv().getClientMap().updateCamera(camera_position,
3517                                 camera_direction, camera_fov, camera_offset);
3518
3519                 if (m_camera_offset_changed) {
3520                         client->updateCameraOffset(camera_offset);
3521                         client->getEnv().updateCameraOffset(camera_offset);
3522
3523                         if (clouds)
3524                                 clouds->updateCameraOffset(camera_offset);
3525                 }
3526         }
3527 }
3528
3529
3530 void Game::updateSound(f32 dtime)
3531 {
3532         // Update sound listener
3533         v3s16 camera_offset = camera->getOffset();
3534         sound->updateListener(camera->getCameraNode()->getPosition() + intToFloat(camera_offset, BS),
3535                               v3f(0, 0, 0), // velocity
3536                               camera->getDirection(),
3537                               camera->getCameraNode()->getUpVector());
3538
3539         bool mute_sound = g_settings->getBool("mute_sound");
3540         if (mute_sound) {
3541                 sound->setListenerGain(0.0f);
3542         } else {
3543                 // Check if volume is in the proper range, else fix it.
3544                 float old_volume = g_settings->getFloat("sound_volume");
3545                 float new_volume = rangelim(old_volume, 0.0f, 1.0f);
3546                 sound->setListenerGain(new_volume);
3547
3548                 if (old_volume != new_volume) {
3549                         g_settings->setFloat("sound_volume", new_volume);
3550                 }
3551         }
3552
3553         LocalPlayer *player = client->getEnv().getLocalPlayer();
3554
3555         // Tell the sound maker whether to make footstep sounds
3556         soundmaker->makes_footstep_sound = player->makes_footstep_sound;
3557
3558         //      Update sound maker
3559         if (player->makes_footstep_sound)
3560                 soundmaker->step(dtime);
3561
3562         ClientMap &map = client->getEnv().getClientMap();
3563         MapNode n = map.getNodeNoEx(player->getFootstepNodePos());
3564         soundmaker->m_player_step_sound = nodedef_manager->get(n).sound_footstep;
3565 }
3566
3567
3568 void Game::processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug)
3569 {
3570         LocalPlayer *player = client->getEnv().getLocalPlayer();
3571
3572         ItemStack playeritem;
3573         {
3574                 InventoryList *mlist = local_inventory->getList("main");
3575
3576                 if (mlist && client->getPlayerItem() < mlist->getSize())
3577                         playeritem = mlist->getItem(client->getPlayerItem());
3578         }
3579
3580         const ItemDefinition &playeritem_def =
3581                         playeritem.getDefinition(itemdef_manager);
3582         InventoryList *hlist = local_inventory->getList("hand");
3583         const ItemDefinition &hand_def =
3584                 hlist ? hlist->getItem(0).getDefinition(itemdef_manager) : itemdef_manager->get("");
3585
3586         v3f player_position  = player->getPosition();
3587         v3f camera_position  = camera->getPosition();
3588         v3f camera_direction = camera->getDirection();
3589         v3s16 camera_offset  = camera->getOffset();
3590
3591
3592         /*
3593                 Calculate what block is the crosshair pointing to
3594         */
3595
3596         f32 d = playeritem_def.range; // max. distance
3597         f32 d_hand = hand_def.range;
3598
3599         if (d < 0 && d_hand >= 0)
3600                 d = d_hand;
3601         else if (d < 0)
3602                 d = 4.0;
3603
3604         core::line3d<f32> shootline;
3605
3606         if (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT) {
3607                 shootline = core::line3d<f32>(camera_position,
3608                         camera_position + camera_direction * BS * d);
3609         } else {
3610             // prevent player pointing anything in front-view
3611                 shootline = core::line3d<f32>(camera_position,camera_position);
3612         }
3613
3614 #ifdef HAVE_TOUCHSCREENGUI
3615
3616         if ((g_settings->getBool("touchtarget")) && (g_touchscreengui)) {
3617                 shootline = g_touchscreengui->getShootline();
3618                 // Scale shootline to the acual distance the player can reach
3619                 shootline.end = shootline.start
3620                         + shootline.getVector().normalize() * BS * d;
3621                 shootline.start += intToFloat(camera_offset, BS);
3622                 shootline.end += intToFloat(camera_offset, BS);
3623         }
3624
3625 #endif
3626
3627         PointedThing pointed = updatePointedThing(shootline,
3628                         playeritem_def.liquids_pointable,
3629                         !runData.ldown_for_dig,
3630                         camera_offset);
3631
3632         if (pointed != runData.pointed_old) {
3633                 infostream << "Pointing at " << pointed.dump() << std::endl;
3634                 hud->updateSelectionMesh(camera_offset);
3635         }
3636
3637         if (runData.digging_blocked && !isLeftPressed()) {
3638                 // allow digging again if button is not pressed
3639                 runData.digging_blocked = false;
3640         }
3641
3642         /*
3643                 Stop digging when
3644                 - releasing left mouse button
3645                 - pointing away from node
3646         */
3647         if (runData.digging) {
3648                 if (getLeftReleased()) {
3649                         infostream << "Left button released"
3650                                    << " (stopped digging)" << std::endl;
3651                         runData.digging = false;
3652                 } else if (pointed != runData.pointed_old) {
3653                         if (pointed.type == POINTEDTHING_NODE
3654                                         && runData.pointed_old.type == POINTEDTHING_NODE
3655                                         && pointed.node_undersurface
3656                                                         == runData.pointed_old.node_undersurface) {
3657                                 // Still pointing to the same node, but a different face.
3658                                 // Don't reset.
3659                         } else {
3660                                 infostream << "Pointing away from node"
3661                                            << " (stopped digging)" << std::endl;
3662                                 runData.digging = false;
3663                                 hud->updateSelectionMesh(camera_offset);
3664                         }
3665                 }
3666
3667                 if (!runData.digging) {
3668                         client->interact(1, runData.pointed_old);
3669                         client->setCrack(-1, v3s16(0, 0, 0));
3670                         runData.dig_time = 0.0;
3671                 }
3672         } else if (runData.dig_instantly && getLeftReleased()) {
3673                 // Remove e.g. torches faster when clicking instead of holding LMB
3674                 runData.nodig_delay_timer = 0;
3675                 runData.dig_instantly = false;
3676         }
3677
3678         if (!runData.digging && runData.ldown_for_dig && !isLeftPressed()) {
3679                 runData.ldown_for_dig = false;
3680         }
3681
3682         runData.left_punch = false;
3683
3684         soundmaker->m_player_leftpunch_sound.name = "";
3685
3686         // Prepare for repeating, unless we're not supposed to
3687         if (isRightPressed() && !g_settings->getBool("safe_dig_and_place"))
3688                 runData.repeat_rightclick_timer += dtime;
3689         else
3690                 runData.repeat_rightclick_timer = 0;
3691
3692         if (playeritem_def.usable && isLeftPressed()) {
3693                 if (getLeftClicked() && (!client->moddingEnabled()
3694                                 || !client->getScript()->on_item_use(playeritem, pointed)))
3695                         client->interact(4, pointed);
3696         } else if (pointed.type == POINTEDTHING_NODE) {
3697                 ToolCapabilities playeritem_toolcap =
3698                                 playeritem.getToolCapabilities(itemdef_manager);
3699                 if (playeritem.name.empty()) {
3700                         const ToolCapabilities *handToolcap = hlist
3701                                 ? &hlist->getItem(0).getToolCapabilities(itemdef_manager)
3702                                 : itemdef_manager->get("").tool_capabilities;
3703
3704                         if (handToolcap != nullptr)
3705                                 playeritem_toolcap = *handToolcap;
3706                 }
3707                 handlePointingAtNode(pointed, playeritem_def, playeritem,
3708                         playeritem_toolcap, dtime);
3709         } else if (pointed.type == POINTEDTHING_OBJECT) {
3710                 handlePointingAtObject(pointed, playeritem, player_position, show_debug);
3711         } else if (isLeftPressed()) {
3712                 // When button is held down in air, show continuous animation
3713                 runData.left_punch = true;
3714         } else if (getRightClicked()) {
3715                 handlePointingAtNothing(playeritem);
3716         }
3717
3718         runData.pointed_old = pointed;
3719
3720         if (runData.left_punch || getLeftClicked())
3721                 camera->setDigging(0); // left click animation
3722
3723         input->resetLeftClicked();
3724         input->resetRightClicked();
3725
3726         input->joystick.clearWasKeyDown(KeyType::MOUSE_L);
3727         input->joystick.clearWasKeyDown(KeyType::MOUSE_R);
3728
3729         input->resetLeftReleased();
3730         input->resetRightReleased();
3731
3732         input->joystick.clearWasKeyReleased(KeyType::MOUSE_L);
3733         input->joystick.clearWasKeyReleased(KeyType::MOUSE_R);
3734 }
3735
3736
3737 PointedThing Game::updatePointedThing(
3738         const core::line3d<f32> &shootline,
3739         bool liquids_pointable,
3740         bool look_for_object,
3741         const v3s16 &camera_offset)
3742 {
3743         std::vector<aabb3f> *selectionboxes = hud->getSelectionBoxes();
3744         selectionboxes->clear();
3745         hud->setSelectedFaceNormal(v3f(0.0, 0.0, 0.0));
3746         static thread_local const bool show_entity_selectionbox = g_settings->getBool(
3747                 "show_entity_selectionbox");
3748
3749         ClientEnvironment &env = client->getEnv();
3750         ClientMap &map = env.getClientMap();
3751         INodeDefManager *nodedef = map.getNodeDefManager();
3752
3753         runData.selected_object = NULL;
3754
3755         RaycastState s(shootline, look_for_object, liquids_pointable);
3756         PointedThing result;
3757         env.continueRaycast(&s, &result);
3758         if (result.type == POINTEDTHING_OBJECT) {
3759                 runData.selected_object = client->getEnv().getActiveObject(result.object_id);
3760                 aabb3f selection_box;
3761                 if (show_entity_selectionbox && runData.selected_object->doShowSelectionBox() &&
3762                                 runData.selected_object->getSelectionBox(&selection_box)) {
3763                         v3f pos = runData.selected_object->getPosition();
3764                         selectionboxes->push_back(aabb3f(selection_box));
3765                         hud->setSelectionPos(pos, camera_offset);
3766                 }
3767         } else if (result.type == POINTEDTHING_NODE) {
3768                 // Update selection boxes
3769                 MapNode n = map.getNodeNoEx(result.node_undersurface);
3770                 std::vector<aabb3f> boxes;
3771                 n.getSelectionBoxes(nodedef, &boxes,
3772                         n.getNeighbors(result.node_undersurface, &map));
3773
3774                 f32 d = 0.002 * BS;
3775                 for (std::vector<aabb3f>::const_iterator i = boxes.begin();
3776                         i != boxes.end(); ++i) {
3777                         aabb3f box = *i;
3778                         box.MinEdge -= v3f(d, d, d);
3779                         box.MaxEdge += v3f(d, d, d);
3780                         selectionboxes->push_back(box);
3781                 }
3782                 hud->setSelectionPos(intToFloat(result.node_undersurface, BS),
3783                         camera_offset);
3784                 hud->setSelectedFaceNormal(v3f(
3785                         result.intersection_normal.X,
3786                         result.intersection_normal.Y,
3787                         result.intersection_normal.Z));
3788         }
3789
3790         // Update selection mesh light level and vertex colors
3791         if (!selectionboxes->empty()) {
3792                 v3f pf = hud->getSelectionPos();
3793                 v3s16 p = floatToInt(pf, BS);
3794
3795                 // Get selection mesh light level
3796                 MapNode n = map.getNodeNoEx(p);
3797                 u16 node_light = getInteriorLight(n, -1, nodedef);
3798                 u16 light_level = node_light;
3799
3800                 for (const v3s16 &dir : g_6dirs) {
3801                         n = map.getNodeNoEx(p + dir);
3802                         node_light = getInteriorLight(n, -1, nodedef);
3803                         if (node_light > light_level)
3804                                 light_level = node_light;
3805                 }
3806
3807                 u32 daynight_ratio = client->getEnv().getDayNightRatio();
3808                 video::SColor c;
3809                 final_color_blend(&c, light_level, daynight_ratio);
3810
3811                 // Modify final color a bit with time
3812                 u32 timer = porting::getTimeMs() % 5000;
3813                 float timerf = (float) (irr::core::PI * ((timer / 2500.0) - 0.5));
3814                 float sin_r = 0.08 * sin(timerf);
3815                 float sin_g = 0.08 * sin(timerf + irr::core::PI * 0.5);
3816                 float sin_b = 0.08 * sin(timerf + irr::core::PI);
3817                 c.setRed(core::clamp(core::round32(c.getRed() * (0.8 + sin_r)), 0, 255));
3818                 c.setGreen(core::clamp(core::round32(c.getGreen() * (0.8 + sin_g)), 0, 255));
3819                 c.setBlue(core::clamp(core::round32(c.getBlue() * (0.8 + sin_b)), 0, 255));
3820
3821                 // Set mesh final color
3822                 hud->setSelectionMeshColor(c);
3823         }
3824         return result;
3825 }
3826
3827
3828 void Game::handlePointingAtNothing(const ItemStack &playerItem)
3829 {
3830         infostream << "Right Clicked in Air" << std::endl;
3831         PointedThing fauxPointed;
3832         fauxPointed.type = POINTEDTHING_NOTHING;
3833         client->interact(5, fauxPointed);
3834 }
3835
3836
3837 void Game::handlePointingAtNode(const PointedThing &pointed,
3838         const ItemDefinition &playeritem_def, const ItemStack &playeritem,
3839         const ToolCapabilities &playeritem_toolcap, f32 dtime)
3840 {
3841         v3s16 nodepos = pointed.node_undersurface;
3842         v3s16 neighbourpos = pointed.node_abovesurface;
3843
3844         /*
3845                 Check information text of node
3846         */
3847
3848         ClientMap &map = client->getEnv().getClientMap();
3849
3850         if (runData.nodig_delay_timer <= 0.0 && isLeftPressed()
3851                         && !runData.digging_blocked
3852                         && client->checkPrivilege("interact")) {
3853                 handleDigging(pointed, nodepos, playeritem_toolcap, dtime);
3854         }
3855
3856         // This should be done after digging handling
3857         NodeMetadata *meta = map.getNodeMetadata(nodepos);
3858
3859         if (meta) {
3860                 infotext = unescape_translate(utf8_to_wide(meta->getString("infotext")));
3861         } else {
3862                 MapNode n = map.getNodeNoEx(nodepos);
3863
3864                 if (nodedef_manager->get(n).tiledef[0].name == "unknown_node.png") {
3865                         infotext = L"Unknown node: ";
3866                         infotext += utf8_to_wide(nodedef_manager->get(n).name);
3867                 }
3868         }
3869
3870         if ((getRightClicked() ||
3871                         runData.repeat_rightclick_timer >= m_repeat_right_click_time) &&
3872                         client->checkPrivilege("interact")) {
3873                 runData.repeat_rightclick_timer = 0;
3874                 infostream << "Ground right-clicked" << std::endl;
3875
3876                 if (meta && !meta->getString("formspec").empty() && !random_input
3877                                 && !isKeyDown(KeyType::SNEAK)) {
3878                         // Report right click to server
3879                         if (nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable) {
3880                                 client->interact(3, pointed);
3881                         }
3882
3883                         infostream << "Launching custom inventory view" << std::endl;
3884
3885                         InventoryLocation inventoryloc;
3886                         inventoryloc.setNodeMeta(nodepos);
3887
3888                         NodeMetadataFormSource *fs_src = new NodeMetadataFormSource(
3889                                 &client->getEnv().getClientMap(), nodepos);
3890                         TextDest *txt_dst = new TextDestNodeMetadata(nodepos, client);
3891
3892                         create_formspec_menu(&current_formspec, client,
3893                                 &input->joystick, fs_src, txt_dst);
3894                         cur_formname = "";
3895
3896                         current_formspec->setFormSpec(meta->getString("formspec"), inventoryloc);
3897                 } else {
3898                         // Report right click to server
3899
3900                         camera->setDigging(1);  // right click animation (always shown for feedback)
3901
3902                         // If the wielded item has node placement prediction,
3903                         // make that happen
3904                         bool placed = nodePlacementPrediction(*client,
3905                                         playeritem_def, playeritem,
3906                                         nodepos, neighbourpos);
3907
3908                         if (placed) {
3909                                 // Report to server
3910                                 client->interact(3, pointed);
3911                                 // Read the sound
3912                                 soundmaker->m_player_rightpunch_sound =
3913                                                 playeritem_def.sound_place;
3914
3915                                 if (client->moddingEnabled())
3916                                         client->getScript()->on_placenode(pointed, playeritem_def);
3917                         } else {
3918                                 soundmaker->m_player_rightpunch_sound =
3919                                                 SimpleSoundSpec();
3920
3921                                 if (playeritem_def.node_placement_prediction.empty() ||
3922                                                 nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable) {
3923                                         client->interact(3, pointed); // Report to server
3924                                 } else {
3925                                         soundmaker->m_player_rightpunch_sound =
3926                                                 playeritem_def.sound_place_failed;
3927                                 }
3928                         }
3929                 }
3930         }
3931 }
3932
3933
3934 void Game::handlePointingAtObject(const PointedThing &pointed, const ItemStack &playeritem,
3935                 const v3f &player_position, bool show_debug)
3936 {
3937         infotext = unescape_translate(
3938                 utf8_to_wide(runData.selected_object->infoText()));
3939
3940         if (show_debug) {
3941                 if (!infotext.empty()) {
3942                         infotext += L"\n";
3943                 }
3944                 infotext += utf8_to_wide(runData.selected_object->debugInfoText());
3945         }
3946
3947         if (isLeftPressed()) {
3948                 bool do_punch = false;
3949                 bool do_punch_damage = false;
3950
3951                 if (runData.object_hit_delay_timer <= 0.0) {
3952                         do_punch = true;
3953                         do_punch_damage = true;
3954                         runData.object_hit_delay_timer = object_hit_delay;
3955                 }
3956
3957                 if (getLeftClicked())
3958                         do_punch = true;
3959
3960                 if (do_punch) {
3961                         infostream << "Left-clicked object" << std::endl;
3962                         runData.left_punch = true;
3963                 }
3964
3965                 if (do_punch_damage) {
3966                         // Report direct punch
3967                         v3f objpos = runData.selected_object->getPosition();
3968                         v3f dir = (objpos - player_position).normalize();
3969                         ItemStack item = playeritem;
3970                         if (playeritem.name.empty()) {
3971                                 InventoryList *hlist = local_inventory->getList("hand");
3972                                 if (hlist) {
3973                                         item = hlist->getItem(0);
3974                                 }
3975                         }
3976
3977                         bool disable_send = runData.selected_object->directReportPunch(
3978                                         dir, &item, runData.time_from_last_punch);
3979                         runData.time_from_last_punch = 0;
3980
3981                         if (!disable_send)
3982                                 client->interact(0, pointed);
3983                 }
3984         } else if (getRightClicked()) {
3985                 infostream << "Right-clicked object" << std::endl;
3986                 client->interact(3, pointed);  // place
3987         }
3988 }
3989
3990
3991 void Game::handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
3992                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3993 {
3994         LocalPlayer *player = client->getEnv().getLocalPlayer();
3995         ClientMap &map = client->getEnv().getClientMap();
3996         MapNode n = client->getEnv().getClientMap().getNodeNoEx(nodepos);
3997
3998         // NOTE: Similar piece of code exists on the server side for
3999         // cheat detection.
4000         // Get digging parameters
4001         DigParams params = getDigParams(nodedef_manager->get(n).groups,
4002                         &playeritem_toolcap);
4003
4004         // If can't dig, try hand
4005         if (!params.diggable) {
4006                 InventoryList *hlist = local_inventory->getList("hand");
4007                 const ToolCapabilities *tp = hlist
4008                         ? &hlist->getItem(0).getToolCapabilities(itemdef_manager)
4009                         : itemdef_manager->get("").tool_capabilities;
4010
4011                 if (tp)
4012                         params = getDigParams(nodedef_manager->get(n).groups, tp);
4013         }
4014
4015         if (!params.diggable) {
4016                 // I guess nobody will wait for this long
4017                 runData.dig_time_complete = 10000000.0;
4018         } else {
4019                 runData.dig_time_complete = params.time;
4020
4021                 if (m_cache_enable_particles) {
4022                         const ContentFeatures &features = client->getNodeDefManager()->get(n);
4023                         client->getParticleManager()->addNodeParticle(client,
4024                                         player, nodepos, n, features);
4025                 }
4026         }
4027
4028         if (!runData.digging) {
4029                 infostream << "Started digging" << std::endl;
4030                 runData.dig_instantly = runData.dig_time_complete == 0;
4031                 if (client->moddingEnabled() && client->getScript()->on_punchnode(nodepos, n))
4032                         return;
4033                 client->interact(0, pointed);
4034                 runData.digging = true;
4035                 runData.ldown_for_dig = true;
4036         }
4037
4038         if (!runData.dig_instantly) {
4039                 runData.dig_index = (float)crack_animation_length
4040                                 * runData.dig_time
4041                                 / runData.dig_time_complete;
4042         } else {
4043                 // This is for e.g. torches
4044                 runData.dig_index = crack_animation_length;
4045         }
4046
4047         SimpleSoundSpec sound_dig = nodedef_manager->get(n).sound_dig;
4048
4049         if (sound_dig.exists() && params.diggable) {
4050                 if (sound_dig.name == "__group") {
4051                         if (!params.main_group.empty()) {
4052                                 soundmaker->m_player_leftpunch_sound.gain = 0.5;
4053                                 soundmaker->m_player_leftpunch_sound.name =
4054                                                 std::string("default_dig_") +
4055                                                 params.main_group;
4056                         }
4057                 } else {
4058                         soundmaker->m_player_leftpunch_sound = sound_dig;
4059                 }
4060         }
4061
4062         // Don't show cracks if not diggable
4063         if (runData.dig_time_complete >= 100000.0) {
4064         } else if (runData.dig_index < crack_animation_length) {
4065                 //TimeTaker timer("client.setTempMod");
4066                 //infostream<<"dig_index="<<dig_index<<std::endl;
4067                 client->setCrack(runData.dig_index, nodepos);
4068         } else {
4069                 infostream << "Digging completed" << std::endl;
4070                 client->setCrack(-1, v3s16(0, 0, 0));
4071
4072                 runData.dig_time = 0;
4073                 runData.digging = false;
4074                 // we successfully dug, now block it from repeating if we want to be safe
4075                 if (g_settings->getBool("safe_dig_and_place"))
4076                         runData.digging_blocked = true;
4077
4078                 runData.nodig_delay_timer =
4079                                 runData.dig_time_complete / (float)crack_animation_length;
4080
4081                 // We don't want a corresponding delay to very time consuming nodes
4082                 // and nodes without digging time (e.g. torches) get a fixed delay.
4083                 if (runData.nodig_delay_timer > 0.3)
4084                         runData.nodig_delay_timer = 0.3;
4085                 else if (runData.dig_instantly)
4086                         runData.nodig_delay_timer = 0.15;
4087
4088                 bool is_valid_position;
4089                 MapNode wasnode = map.getNodeNoEx(nodepos, &is_valid_position);
4090                 if (is_valid_position) {
4091                         if (client->moddingEnabled() &&
4092                                         client->getScript()->on_dignode(nodepos, wasnode)) {
4093                                 return;
4094                         }
4095
4096                         const ContentFeatures &f = client->ndef()->get(wasnode);
4097                         if (f.node_dig_prediction == "air") {
4098                                 client->removeNode(nodepos);
4099                         } else if (!f.node_dig_prediction.empty()) {
4100                                 content_t id;
4101                                 bool found = client->ndef()->getId(f.node_dig_prediction, id);
4102                                 if (found)
4103                                         client->addNode(nodepos, id, true);
4104                         }
4105                         // implicit else: no prediction
4106                 }
4107
4108                 client->interact(2, pointed);
4109
4110                 if (m_cache_enable_particles) {
4111                         const ContentFeatures &features =
4112                                 client->getNodeDefManager()->get(wasnode);
4113                         client->getParticleManager()->addDiggingParticles(client,
4114                                 player, nodepos, wasnode, features);
4115                 }
4116
4117
4118                 // Send event to trigger sound
4119                 MtEvent *e = new NodeDugEvent(nodepos, wasnode);
4120                 client->event()->put(e);
4121         }
4122
4123         if (runData.dig_time_complete < 100000.0) {
4124                 runData.dig_time += dtime;
4125         } else {
4126                 runData.dig_time = 0;
4127                 client->setCrack(-1, nodepos);
4128         }
4129
4130         camera->setDigging(0);  // left click animation
4131 }
4132
4133
4134 void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
4135                 const CameraOrientation &cam)
4136 {
4137         LocalPlayer *player = client->getEnv().getLocalPlayer();
4138
4139         /*
4140                 Fog range
4141         */
4142
4143         if (draw_control->range_all) {
4144                 runData.fog_range = 100000 * BS;
4145         } else {
4146                 runData.fog_range = draw_control->wanted_range * BS;
4147         }
4148
4149         /*
4150                 Calculate general brightness
4151         */
4152         u32 daynight_ratio = client->getEnv().getDayNightRatio();
4153         float time_brightness = decode_light_f((float)daynight_ratio / 1000.0);
4154         float direct_brightness;
4155         bool sunlight_seen;
4156
4157         if (m_cache_enable_noclip && m_cache_enable_free_move) {
4158                 direct_brightness = time_brightness;
4159                 sunlight_seen = true;
4160         } else {
4161                 ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
4162                 float old_brightness = sky->getBrightness();
4163                 direct_brightness = client->getEnv().getClientMap()
4164                                 .getBackgroundBrightness(MYMIN(runData.fog_range * 1.2, 60 * BS),
4165                                         daynight_ratio, (int)(old_brightness * 255.5), &sunlight_seen)
4166                                     / 255.0;
4167         }
4168
4169         float time_of_day_smooth = runData.time_of_day_smooth;
4170         float time_of_day = client->getEnv().getTimeOfDayF();
4171
4172         static const float maxsm = 0.05;
4173         static const float todsm = 0.05;
4174
4175         if (fabs(time_of_day - time_of_day_smooth) > maxsm &&
4176                         fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
4177                         fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
4178                 time_of_day_smooth = time_of_day;
4179
4180         if (time_of_day_smooth > 0.8 && time_of_day < 0.2)
4181                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
4182                                 + (time_of_day + 1.0) * todsm;
4183         else
4184                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
4185                                 + time_of_day * todsm;
4186
4187         runData.time_of_day = time_of_day;
4188         runData.time_of_day_smooth = time_of_day_smooth;
4189
4190         sky->update(time_of_day_smooth, time_brightness, direct_brightness,
4191                         sunlight_seen, camera->getCameraMode(), player->getYaw(),
4192                         player->getPitch());
4193
4194         /*
4195                 Update clouds
4196         */
4197         if (clouds) {
4198                 if (sky->getCloudsVisible()) {
4199                         clouds->setVisible(true);
4200                         clouds->step(dtime);
4201                         // camera->getPosition is not enough for 3rd person views
4202                         v3f camera_node_position = camera->getCameraNode()->getPosition();
4203                         v3s16 camera_offset      = camera->getOffset();
4204                         camera_node_position.X   = camera_node_position.X + camera_offset.X * BS;
4205                         camera_node_position.Y   = camera_node_position.Y + camera_offset.Y * BS;
4206                         camera_node_position.Z   = camera_node_position.Z + camera_offset.Z * BS;
4207                         clouds->update(camera_node_position,
4208                                         sky->getCloudColor());
4209                         if (clouds->isCameraInsideCloud() && m_cache_enable_fog &&
4210                                         !flags.force_fog_off) {
4211                                 // if inside clouds, and fog enabled, use that as sky
4212                                 // color(s)
4213                                 video::SColor clouds_dark = clouds->getColor()
4214                                                 .getInterpolated(video::SColor(255, 0, 0, 0), 0.9);
4215                                 sky->overrideColors(clouds_dark, clouds->getColor());
4216                                 sky->setBodiesVisible(false);
4217                                 runData.fog_range = std::fmin(runData.fog_range * 0.5f, 32.0f * BS);
4218                                 // do not draw clouds after all
4219                                 clouds->setVisible(false);
4220                         }
4221                 } else {
4222                         clouds->setVisible(false);
4223                 }
4224         }
4225
4226         /*
4227                 Update particles
4228         */
4229         client->getParticleManager()->step(dtime);
4230
4231         /*
4232                 Fog
4233         */
4234
4235         if (m_cache_enable_fog && !flags.force_fog_off) {
4236                 driver->setFog(
4237                                 sky->getBgColor(),
4238                                 video::EFT_FOG_LINEAR,
4239                                 runData.fog_range * m_cache_fog_start,
4240                                 runData.fog_range * 1.0,
4241                                 0.01,
4242                                 false, // pixel fog
4243                                 true // range fog
4244                 );
4245         } else {
4246                 driver->setFog(
4247                                 sky->getBgColor(),
4248                                 video::EFT_FOG_LINEAR,
4249                                 100000 * BS,
4250                                 110000 * BS,
4251                                 0.01,
4252                                 false, // pixel fog
4253                                 false // range fog
4254                 );
4255         }
4256
4257         /*
4258                 Get chat messages from client
4259         */
4260
4261         v2u32 screensize = driver->getScreenSize();
4262
4263         updateChat(*client, dtime, flags.show_debug, screensize,
4264                         flags.show_chat, runData.profiler_current_page,
4265                         *chat_backend, guitext_chat);
4266
4267         /*
4268                 Inventory
4269         */
4270
4271         if (client->getPlayerItem() != runData.new_playeritem)
4272                 client->selectPlayerItem(runData.new_playeritem);
4273
4274         // Update local inventory if it has changed
4275         if (client->getLocalInventoryUpdated()) {
4276                 //infostream<<"Updating local inventory"<<std::endl;
4277                 client->getLocalInventory(*local_inventory);
4278                 runData.update_wielded_item_trigger = true;
4279         }
4280
4281         if (runData.update_wielded_item_trigger) {
4282                 // Update wielded tool
4283                 InventoryList *mlist = local_inventory->getList("main");
4284
4285                 if (mlist && (client->getPlayerItem() < mlist->getSize())) {
4286                         ItemStack item = mlist->getItem(client->getPlayerItem());
4287                         if (item.getDefinition(itemdef_manager).name.empty()) { // override the hand
4288                                 InventoryList *hlist = local_inventory->getList("hand");
4289                                 if (hlist)
4290                                         item = hlist->getItem(0);
4291                         }
4292                         camera->wield(item);
4293                 }
4294
4295                 runData.update_wielded_item_trigger = false;
4296         }
4297
4298         /*
4299                 Update block draw list every 200ms or when camera direction has
4300                 changed much
4301         */
4302         runData.update_draw_list_timer += dtime;
4303
4304         v3f camera_direction = camera->getDirection();
4305         if (runData.update_draw_list_timer >= 0.2
4306                         || runData.update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2
4307                         || m_camera_offset_changed) {
4308                 runData.update_draw_list_timer = 0;
4309                 client->getEnv().getClientMap().updateDrawList();
4310                 runData.update_draw_list_last_cam_dir = camera_direction;
4311         }
4312
4313         updateGui(*stats, dtime, cam);
4314
4315         /*
4316            make sure menu is on top
4317            1. Delete formspec menu reference if menu was removed
4318            2. Else, make sure formspec menu is on top
4319         */
4320         if (current_formspec) {
4321                 if (current_formspec->getReferenceCount() == 1) {
4322                         current_formspec->drop();
4323                         current_formspec = NULL;
4324                 } else if (isMenuActive()) {
4325                         guiroot->bringToFront(current_formspec);
4326                 }
4327         }
4328
4329         /*
4330                 Drawing begins
4331         */
4332         const video::SColor &skycolor = sky->getSkyColor();
4333
4334         TimeTaker tt_draw("mainloop: draw");
4335         driver->beginScene(true, true, skycolor);
4336
4337         bool draw_wield_tool = (flags.show_hud &&
4338                         (player->hud_flags & HUD_FLAG_WIELDITEM_VISIBLE) &&
4339                         (camera->getCameraMode() == CAMERA_MODE_FIRST));
4340         bool draw_crosshair = (
4341                         (player->hud_flags & HUD_FLAG_CROSSHAIR_VISIBLE) &&
4342                         (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT));
4343 #ifdef HAVE_TOUCHSCREENGUI
4344         try {
4345                 draw_crosshair = !g_settings->getBool("touchtarget");
4346         } catch (SettingNotFoundException) {
4347         }
4348 #endif
4349         RenderingEngine::draw_scene(skycolor, flags.show_hud, flags.show_minimap,
4350                         draw_wield_tool, draw_crosshair);
4351
4352         /*
4353                 Profiler graph
4354         */
4355         if (flags.show_profiler_graph)
4356                 graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
4357
4358         /*
4359                 Damage flash
4360         */
4361         if (runData.damage_flash > 0.0) {
4362                 video::SColor color(runData.damage_flash, 180, 0, 0);
4363                 driver->draw2DRectangle(color,
4364                                         core::rect<s32>(0, 0, screensize.X, screensize.Y),
4365                                         NULL);
4366
4367                 runData.damage_flash -= 100.0 * dtime;
4368         }
4369
4370         /*
4371                 Damage camera tilt
4372         */
4373         if (player->hurt_tilt_timer > 0.0) {
4374                 player->hurt_tilt_timer -= dtime * 5;
4375
4376                 if (player->hurt_tilt_timer < 0)
4377                         player->hurt_tilt_strength = 0;
4378         }
4379
4380         /*
4381                 Update minimap pos and rotation
4382         */
4383         if (mapper && flags.show_minimap && flags.show_hud) {
4384                 mapper->setPos(floatToInt(player->getPosition(), BS));
4385                 mapper->setAngle(player->getYaw());
4386         }
4387
4388         /*
4389                 End scene
4390         */
4391         driver->endScene();
4392
4393         stats->drawtime = tt_draw.stop(true);
4394         g_profiler->graphAdd("mainloop_draw", stats->drawtime / 1000.0f);
4395 }
4396
4397
4398 inline static const char *yawToDirectionString(int yaw)
4399 {
4400         static const char *direction[4] = {"N +Z", "W -X", "S -Z", "E +X"};
4401
4402         yaw = wrapDegrees_0_360(yaw);
4403         yaw = (yaw + 45) % 360 / 90;
4404
4405         return direction[yaw];
4406 }
4407
4408
4409 void Game::updateGui(const RunStats &stats, f32 dtime, const CameraOrientation &cam)
4410 {
4411         v2u32 screensize = RenderingEngine::get_instance()->getWindowSize();
4412         LocalPlayer *player = client->getEnv().getLocalPlayer();
4413         v3f player_position = player->getPosition();
4414
4415         if (flags.show_debug) {
4416                 static float drawtime_avg = 0;
4417                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
4418                 u16 fps = 1.0 / stats.dtime_jitter.avg;
4419
4420                 std::ostringstream os(std::ios_base::binary);
4421                 os << std::fixed
4422                         << PROJECT_NAME_C " " << g_version_hash
4423                         << ", FPS: " << fps
4424                         << std::setprecision(0)
4425                         << ", drawtime: " << drawtime_avg << "ms"
4426                         << std::setprecision(1)
4427                         << ", dtime jitter: "
4428                         << (stats.dtime_jitter.max_fraction * 100.0) << "%"
4429                         << std::setprecision(1)
4430                         << ", view range: "
4431                         << (draw_control->range_all ? "All" : itos(draw_control->wanted_range))
4432                         << std::setprecision(3)
4433                         << ", RTT: " << client->getRTT() << "s";
4434                 setStaticText(guitext, utf8_to_wide(os.str()).c_str());
4435                 guitext->setVisible(true);
4436         } else {
4437                 guitext->setVisible(false);
4438         }
4439
4440         if (guitext->isVisible()) {
4441                 core::rect<s32> rect(
4442                                 5,              5,
4443                                 screensize.X,   5 + g_fontengine->getTextHeight()
4444                 );
4445                 guitext->setRelativePosition(rect);
4446         }
4447
4448         if (flags.show_debug) {
4449                 std::ostringstream os(std::ios_base::binary);
4450                 os << std::setprecision(1) << std::fixed
4451                         << "pos: (" << (player_position.X / BS)
4452                         << ", " << (player_position.Y / BS)
4453                         << ", " << (player_position.Z / BS)
4454                         << "), yaw: " << (wrapDegrees_0_360(cam.camera_yaw)) << "° "
4455                         << yawToDirectionString(cam.camera_yaw)
4456                         << ", seed: " << ((u64)client->getMapSeed());
4457
4458                 if (runData.pointed_old.type == POINTEDTHING_NODE) {
4459                         ClientMap &map = client->getEnv().getClientMap();
4460                         const INodeDefManager *nodedef = client->getNodeDefManager();
4461                         MapNode n = map.getNodeNoEx(runData.pointed_old.node_undersurface);
4462
4463                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
4464                                 os << ", pointed: " << nodedef->get(n).name
4465                                         << ", param2: " << (u64) n.getParam2();
4466                         }
4467                 }
4468
4469                 setStaticText(guitext2, utf8_to_wide(os.str()).c_str());
4470                 guitext2->setVisible(true);
4471         } else {
4472                 guitext2->setVisible(false);
4473         }
4474
4475         if (guitext2->isVisible()) {
4476                 core::rect<s32> rect(
4477                                 5,             5 + g_fontengine->getTextHeight(),
4478                                 screensize.X,  5 + g_fontengine->getTextHeight() * 2
4479                 );
4480                 guitext2->setRelativePosition(rect);
4481         }
4482
4483         setStaticText(guitext_info, translate_string(infotext).c_str());
4484         guitext_info->setVisible(flags.show_hud && g_menumgr.menuCount() == 0);
4485
4486         float statustext_time_max = 1.5;
4487
4488         if (!m_statustext.empty()) {
4489                 runData.statustext_time += dtime;
4490
4491                 if (runData.statustext_time >= statustext_time_max) {
4492                         m_statustext = L"";
4493                         runData.statustext_time = 0;
4494                 }
4495         }
4496
4497         setStaticText(guitext_status, translate_string(m_statustext).c_str());
4498         guitext_status->setVisible(!m_statustext.empty());
4499
4500         if (!m_statustext.empty()) {
4501                 s32 status_width  = guitext_status->getTextWidth();
4502                 s32 status_height = guitext_status->getTextHeight();
4503                 s32 status_y = screensize.Y - 150;
4504                 s32 status_x = (screensize.X - status_width) / 2;
4505                 core::rect<s32> rect(
4506                                 status_x , status_y - status_height,
4507                                 status_x + status_width, status_y
4508                 );
4509                 guitext_status->setRelativePosition(rect);
4510
4511                 // Fade out
4512                 video::SColor initial_color(255, 0, 0, 0);
4513
4514                 if (guienv->getSkin())
4515                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
4516
4517                 video::SColor final_color = initial_color;
4518                 final_color.setAlpha(0);
4519                 video::SColor fade_color = initial_color.getInterpolated_quadratic(
4520                                 initial_color, final_color,
4521                                 pow(runData.statustext_time / statustext_time_max, 2.0f));
4522                 guitext_status->setOverrideColor(fade_color);
4523                 guitext_status->enableOverrideColor(true);
4524         }
4525 }
4526
4527
4528 /* Log times and stuff for visualization */
4529 inline void Game::updateProfilerGraphs(ProfilerGraph *graph)
4530 {
4531         Profiler::GraphValues values;
4532         g_profiler->graphGet(values);
4533         graph->put(values);
4534 }
4535
4536
4537
4538 /****************************************************************************
4539  Misc
4540  ****************************************************************************/
4541
4542 /* On some computers framerate doesn't seem to be automatically limited
4543  */
4544 inline void Game::limitFps(FpsControl *fps_timings, f32 *dtime)
4545 {
4546         // not using getRealTime is necessary for wine
4547         device->getTimer()->tick(); // Maker sure device time is up-to-date
4548         u32 time = device->getTimer()->getTime();
4549         u32 last_time = fps_timings->last_time;
4550
4551         if (time > last_time)  // Make sure time hasn't overflowed
4552                 fps_timings->busy_time = time - last_time;
4553         else
4554                 fps_timings->busy_time = 0;
4555
4556         u32 frametime_min = 1000 / (g_menumgr.pausesGame()
4557                         ? g_settings->getFloat("pause_fps_max")
4558                         : g_settings->getFloat("fps_max"));
4559
4560         if (fps_timings->busy_time < frametime_min) {
4561                 fps_timings->sleep_time = frametime_min - fps_timings->busy_time;
4562                 device->sleep(fps_timings->sleep_time);
4563         } else {
4564                 fps_timings->sleep_time = 0;
4565         }
4566
4567         /* Get the new value of the device timer. Note that device->sleep() may
4568          * not sleep for the entire requested time as sleep may be interrupted and
4569          * therefore it is arguably more accurate to get the new time from the
4570          * device rather than calculating it by adding sleep_time to time.
4571          */
4572
4573         device->getTimer()->tick(); // Update device timer
4574         time = device->getTimer()->getTime();
4575
4576         if (time > last_time)  // Make sure last_time hasn't overflowed
4577                 *dtime = (time - last_time) / 1000.0;
4578         else
4579                 *dtime = 0;
4580
4581         fps_timings->last_time = time;
4582 }
4583
4584 void Game::showOverlayMessage(const char *msg, float dtime, int percent, bool draw_clouds)
4585 {
4586         const wchar_t *wmsg = wgettext(msg);
4587         RenderingEngine::draw_load_screen(wmsg, guienv, texture_src, dtime, percent,
4588                 draw_clouds);
4589         delete[] wmsg;
4590 }
4591
4592 void Game::showStatusTextSimple(const char *msg)
4593 {
4594         const wchar_t *wmsg = wgettext(msg);
4595         m_statustext = wmsg;
4596         delete[] wmsg;
4597 }
4598
4599 void Game::settingChangedCallback(const std::string &setting_name, void *data)
4600 {
4601         ((Game *)data)->readSettings();
4602 }
4603
4604 void Game::readSettings()
4605 {
4606         m_cache_doubletap_jump               = g_settings->getBool("doubletap_jump");
4607         m_cache_enable_clouds                = g_settings->getBool("enable_clouds");
4608         m_cache_enable_joysticks             = g_settings->getBool("enable_joysticks");
4609         m_cache_enable_particles             = g_settings->getBool("enable_particles");
4610         m_cache_enable_fog                   = g_settings->getBool("enable_fog");
4611         m_cache_mouse_sensitivity            = g_settings->getFloat("mouse_sensitivity");
4612         m_cache_joystick_frustum_sensitivity = g_settings->getFloat("joystick_frustum_sensitivity");
4613         m_repeat_right_click_time            = g_settings->getFloat("repeat_rightclick_time");
4614
4615         m_cache_enable_noclip                = g_settings->getBool("noclip");
4616         m_cache_enable_free_move             = g_settings->getBool("free_move");
4617
4618         m_cache_fog_start                    = g_settings->getFloat("fog_start");
4619
4620         m_cache_cam_smoothing = 0;
4621         if (g_settings->getBool("cinematic"))
4622                 m_cache_cam_smoothing = 1 - g_settings->getFloat("cinematic_camera_smoothing");
4623         else
4624                 m_cache_cam_smoothing = 1 - g_settings->getFloat("camera_smoothing");
4625
4626         m_cache_fog_start = rangelim(m_cache_fog_start, 0.0f, 0.99f);
4627         m_cache_cam_smoothing = rangelim(m_cache_cam_smoothing, 0.01f, 1.0f);
4628         m_cache_mouse_sensitivity = rangelim(m_cache_mouse_sensitivity, 0.001, 100.0);
4629
4630 }
4631
4632 /****************************************************************************/
4633 /****************************************************************************
4634  Shutdown / cleanup
4635  ****************************************************************************/
4636 /****************************************************************************/
4637
4638 void Game::extendedResourceCleanup()
4639 {
4640         // Extended resource accounting
4641         infostream << "Irrlicht resources after cleanup:" << std::endl;
4642         infostream << "\tRemaining meshes   : "
4643                    << RenderingEngine::get_mesh_cache()->getMeshCount() << std::endl;
4644         infostream << "\tRemaining textures : "
4645                    << driver->getTextureCount() << std::endl;
4646
4647         for (unsigned int i = 0; i < driver->getTextureCount(); i++) {
4648                 irr::video::ITexture *texture = driver->getTextureByIndex(i);
4649                 infostream << "\t\t" << i << ":" << texture->getName().getPath().c_str()
4650                            << std::endl;
4651         }
4652
4653         clearTextureNameCache();
4654         infostream << "\tRemaining materials: "
4655                << driver-> getMaterialRendererCount()
4656                        << " (note: irrlicht doesn't support removing renderers)" << std::endl;
4657 }
4658
4659 #define GET_KEY_NAME(KEY) gettext(getKeySetting(#KEY).name())
4660 void Game::showPauseMenu()
4661 {
4662 #ifdef __ANDROID__
4663         static const std::string control_text = strgettext("Default Controls:\n"
4664                 "No menu visible:\n"
4665                 "- single tap: button activate\n"
4666                 "- double tap: place/use\n"
4667                 "- slide finger: look around\n"
4668                 "Menu/Inventory visible:\n"
4669                 "- double tap (outside):\n"
4670                 " -->close\n"
4671                 "- touch stack, touch slot:\n"
4672                 " --> move stack\n"
4673                 "- touch&drag, tap 2nd finger\n"
4674                 " --> place single item to slot\n"
4675                 );
4676 #else
4677         static const std::string control_text_template = strgettext("Controls:\n"
4678                 "- %s: move forwards\n"
4679                 "- %s: move backwards\n"
4680                 "- %s: move left\n"
4681                 "- %s: move right\n"
4682                 "- %s: jump/climb\n"
4683                 "- %s: sneak/go down\n"
4684                 "- %s: drop item\n"
4685                 "- %s: inventory\n"
4686                 "- Mouse: turn/look\n"
4687                 "- Mouse left: dig/punch\n"
4688                 "- Mouse right: place/use\n"
4689                 "- Mouse wheel: select item\n"
4690                 "- %s: chat\n"
4691         );
4692
4693          char control_text_buf[600];
4694
4695          snprintf(control_text_buf, ARRLEN(control_text_buf), control_text_template.c_str(),
4696                         GET_KEY_NAME(keymap_forward),
4697                         GET_KEY_NAME(keymap_backward),
4698                         GET_KEY_NAME(keymap_left),
4699                         GET_KEY_NAME(keymap_right),
4700                         GET_KEY_NAME(keymap_jump),
4701                         GET_KEY_NAME(keymap_sneak),
4702                         GET_KEY_NAME(keymap_drop),
4703                         GET_KEY_NAME(keymap_inventory),
4704                         GET_KEY_NAME(keymap_chat)
4705                         );
4706
4707         std::string control_text = std::string(control_text_buf);
4708         str_formspec_escape(control_text);
4709 #endif
4710
4711         float ypos = simple_singleplayer_mode ? 0.7f : 0.1f;
4712         std::ostringstream os;
4713
4714         os << FORMSPEC_VERSION_STRING  << SIZE_TAG
4715                 << "button_exit[4," << (ypos++) << ";3,0.5;btn_continue;"
4716                 << strgettext("Continue") << "]";
4717
4718         if (!simple_singleplayer_mode) {
4719                 os << "button_exit[4," << (ypos++) << ";3,0.5;btn_change_password;"
4720                         << strgettext("Change Password") << "]";
4721         } else {
4722                 os << "field[4.95,0;5,1.5;;" << strgettext("Game paused") << ";]";
4723         }
4724
4725 #ifndef __ANDROID__
4726         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_sound;"
4727                 << strgettext("Sound Volume") << "]";
4728         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_key_config;"
4729                 << strgettext("Change Keys")  << "]";
4730 #endif
4731         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_menu;"
4732                 << strgettext("Exit to Menu") << "]";
4733         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_os;"
4734                 << strgettext("Exit to OS")   << "]"
4735                 << "textarea[7.5,0.25;3.9,6.25;;" << control_text << ";]"
4736                 << "textarea[0.4,0.25;3.9,6.25;;" << PROJECT_NAME_C " " VERSION_STRING "\n"
4737                 << "\n"
4738                 <<  strgettext("Game info:") << "\n";
4739         const std::string &address = client->getAddressName();
4740         static const std::string mode = strgettext("- Mode: ");
4741         if (!simple_singleplayer_mode) {
4742                 Address serverAddress = client->getServerAddress();
4743                 if (!address.empty()) {
4744                         os << mode << strgettext("Remote server") << "\n"
4745                                         << strgettext("- Address: ") << address;
4746                 } else {
4747                         os << mode << strgettext("Hosting server");
4748                 }
4749                 os << "\n" << strgettext("- Port: ") << serverAddress.getPort() << "\n";
4750         } else {
4751                 os << mode << strgettext("Singleplayer") << "\n";
4752         }
4753         if (simple_singleplayer_mode || address.empty()) {
4754                 static const std::string on = strgettext("On");
4755                 static const std::string off = strgettext("Off");
4756                 const std::string &damage = g_settings->getBool("enable_damage") ? on : off;
4757                 const std::string &creative = g_settings->getBool("creative_mode") ? on : off;
4758                 const std::string &announced = g_settings->getBool("server_announce") ? on : off;
4759                 os << strgettext("- Damage: ") << damage << "\n"
4760                                 << strgettext("- Creative Mode: ") << creative << "\n";
4761                 if (!simple_singleplayer_mode) {
4762                         const std::string &pvp = g_settings->getBool("enable_pvp") ? on : off;
4763                         os << strgettext("- PvP: ") << pvp << "\n"
4764                                         << strgettext("- Public: ") << announced << "\n";
4765                         std::string server_name = g_settings->get("server_name");
4766                         str_formspec_escape(server_name);
4767                         if (announced == on && !server_name.empty())
4768                                 os << strgettext("- Server Name: ") << server_name;
4769
4770                 }
4771         }
4772         os << ";]";
4773
4774         /* Create menu */
4775         /* Note: FormspecFormSource and LocalFormspecHandler  *
4776          * are deleted by guiFormSpecMenu                     */
4777         FormspecFormSource *fs_src = new FormspecFormSource(os.str());
4778         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_PAUSE_MENU");
4779
4780         create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
4781         current_formspec->setFocus("btn_continue");
4782         current_formspec->doPause = true;
4783 }
4784
4785 /****************************************************************************/
4786 /****************************************************************************
4787  extern function for launching the game
4788  ****************************************************************************/
4789 /****************************************************************************/
4790
4791 void the_game(bool *kill,
4792                 bool random_input,
4793                 InputHandler *input,
4794                 const std::string &map_dir,
4795                 const std::string &playername,
4796                 const std::string &password,
4797                 const std::string &address,         // If empty local server is created
4798                 u16 port,
4799
4800                 std::string &error_message,
4801                 ChatBackend &chat_backend,
4802                 bool *reconnect_requested,
4803                 const SubgameSpec &gamespec,        // Used for local game
4804                 bool simple_singleplayer_mode)
4805 {
4806         Game game;
4807
4808         /* Make a copy of the server address because if a local singleplayer server
4809          * is created then this is updated and we don't want to change the value
4810          * passed to us by the calling function
4811          */
4812         std::string server_address = address;
4813
4814         try {
4815
4816                 if (game.startup(kill, random_input, input, map_dir,
4817                                 playername, password, &server_address, port, error_message,
4818                                 reconnect_requested, &chat_backend, gamespec,
4819                                 simple_singleplayer_mode)) {
4820                         game.run();
4821                         game.shutdown();
4822                 }
4823
4824         } catch (SerializationError &e) {
4825                 error_message = std::string("A serialization error occurred:\n")
4826                                 + e.what() + "\n\nThe server is probably "
4827                                 " running a different version of " PROJECT_NAME_C ".";
4828                 errorstream << error_message << std::endl;
4829         } catch (ServerError &e) {
4830                 error_message = e.what();
4831                 errorstream << "ServerError: " << error_message << std::endl;
4832         } catch (ModError &e) {
4833                 error_message = e.what() + strgettext("\nCheck debug.txt for details.");
4834                 errorstream << "ModError: " << error_message << std::endl;
4835         }
4836 }