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 "guiChatConsole.h"
  43 #include "guiFormSpecMenu.h"
  44 #include "guiKeyChangeMenu.h"
  45 #include "guiPasswordChange.h"
  46 #include "guiVolumeChange.h"
  47 #include "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 += 3 * 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
1327         static void settingChangedCallback(const std::string &setting_name, void *data);
1328         void readSettings();
1329
1330         inline bool getLeftClicked()
1331         {
1332                 return input->getLeftClicked() ||
1333                         input->joystick.getWasKeyDown(KeyType::MOUSE_L);
1334         }
1335         inline bool getRightClicked()
1336         {
1337                 return input->getRightClicked() ||
1338                         input->joystick.getWasKeyDown(KeyType::MOUSE_R);
1339         }
1340         inline bool isLeftPressed()
1341         {
1342                 return input->getLeftState() ||
1343                         input->joystick.isKeyDown(KeyType::MOUSE_L);
1344         }
1345         inline bool isRightPressed()
1346         {
1347                 return input->getRightState() ||
1348                         input->joystick.isKeyDown(KeyType::MOUSE_R);
1349         }
1350         inline bool getLeftReleased()
1351         {
1352                 return input->getLeftReleased() ||
1353                         input->joystick.wasKeyReleased(KeyType::MOUSE_L);
1354         }
1355
1356         inline bool isKeyDown(GameKeyType k)
1357         {
1358                 return input->isKeyDown(keycache.key[k]) || input->joystick.isKeyDown(k);
1359         }
1360         inline bool wasKeyDown(GameKeyType k)
1361         {
1362                 return input->wasKeyDown(keycache.key[k]) || input->joystick.wasKeyDown(k);
1363         }
1364
1365 #ifdef __ANDROID__
1366         void handleAndroidChatInput();
1367 #endif
1368
1369 private:
1370         void showPauseMenu();
1371
1372         // ClientEvent handlers
1373         void handleClientEvent_None(ClientEvent *event, CameraOrientation *cam);
1374         void handleClientEvent_PlayerDamage(ClientEvent *event, CameraOrientation *cam);
1375         void handleClientEvent_PlayerForceMove(ClientEvent *event, CameraOrientation *cam);
1376         void handleClientEvent_Deathscreen(ClientEvent *event, CameraOrientation *cam);
1377         void handleClientEvent_ShowFormSpec(ClientEvent *event, CameraOrientation *cam);
1378         void handleClientEvent_ShowLocalFormSpec(ClientEvent *event, CameraOrientation *cam);
1379         void handleClientEvent_HandleParticleEvent(ClientEvent *event,
1380                 CameraOrientation *cam);
1381         void handleClientEvent_HudAdd(ClientEvent *event, CameraOrientation *cam);
1382         void handleClientEvent_HudRemove(ClientEvent *event, CameraOrientation *cam);
1383         void handleClientEvent_HudChange(ClientEvent *event, CameraOrientation *cam);
1384         void handleClientEvent_SetSky(ClientEvent *event, CameraOrientation *cam);
1385         void handleClientEvent_OverrideDayNigthRatio(ClientEvent *event,
1386                 CameraOrientation *cam);
1387         void handleClientEvent_CloudParams(ClientEvent *event, CameraOrientation *cam);
1388
1389         static const ClientEventHandler clientEventHandler[CLIENTEVENT_MAX];
1390
1391         InputHandler *input;
1392
1393         Client *client;
1394         Server *server;
1395
1396         IWritableTextureSource *texture_src;
1397         IWritableShaderSource *shader_src;
1398
1399         // When created, these will be filled with data received from the server
1400         IWritableItemDefManager *itemdef_manager;
1401         IWritableNodeDefManager *nodedef_manager;
1402
1403         GameOnDemandSoundFetcher soundfetcher; // useful when testing
1404         ISoundManager *sound;
1405         bool sound_is_dummy = false;
1406         SoundMaker *soundmaker;
1407
1408         ChatBackend *chat_backend;
1409
1410         GUIFormSpecMenu *current_formspec;
1411         //default: "". If other than "", empty show_formspec packets will only close the formspec when the formname matches
1412         std::string cur_formname;
1413
1414         EventManager *eventmgr;
1415         QuicktuneShortcutter *quicktune;
1416
1417         GUIChatConsole *gui_chat_console; // Free using ->Drop()
1418         MapDrawControl *draw_control;
1419         Camera *camera;
1420         Clouds *clouds;                   // Free using ->Drop()
1421         Sky *sky;                         // Free using ->Drop()
1422         Inventory *local_inventory;
1423         Hud *hud;
1424         Minimap *mapper;
1425
1426         GameRunData runData;
1427         GameUIFlags flags;
1428
1429         /* 'cache'
1430            This class does take ownership/responsibily for cleaning up etc of any of
1431            these items (e.g. device)
1432         */
1433         IrrlichtDevice *device;
1434         video::IVideoDriver *driver;
1435         scene::ISceneManager *smgr;
1436         bool *kill;
1437         std::string *error_message;
1438         bool *reconnect_requested;
1439         scene::ISceneNode *skybox;
1440
1441         bool random_input;
1442         bool simple_singleplayer_mode;
1443         /* End 'cache' */
1444
1445         /* Pre-calculated values
1446          */
1447         int crack_animation_length;
1448
1449         /* GUI stuff
1450          */
1451         gui::IGUIStaticText *guitext;          // First line of debug text
1452         gui::IGUIStaticText *guitext2;         // Second line of debug text
1453         gui::IGUIStaticText *guitext3;         // Third 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         return true;
1659 }
1660
1661
1662 void Game::run()
1663 {
1664         ProfilerGraph graph;
1665         RunStats stats              = { 0 };
1666         CameraOrientation cam_view_target  = { 0 };
1667         CameraOrientation cam_view  = { 0 };
1668         FpsControl draw_times       = { 0 };
1669         f32 dtime; // in seconds
1670
1671         /* Clear the profiler */
1672         Profiler::GraphValues dummyvalues;
1673         g_profiler->graphGet(dummyvalues);
1674
1675         draw_times.last_time = RenderingEngine::get_timer_time();
1676
1677         set_light_table(g_settings->getFloat("display_gamma"));
1678
1679 #ifdef __ANDROID__
1680         m_cache_hold_aux1 = g_settings->getBool("fast_move")
1681                         && client->checkPrivilege("fast");
1682 #endif
1683
1684         irr::core::dimension2d<u32> previous_screen_size(g_settings->getU16("screen_w"),
1685                 g_settings->getU16("screen_h"));
1686
1687         while (RenderingEngine::run()
1688                         && !(*kill || g_gamecallback->shutdown_requested
1689                         || (server && server->getShutdownRequested()))) {
1690
1691                 const irr::core::dimension2d<u32> &current_screen_size =
1692                         RenderingEngine::get_video_driver()->getScreenSize();
1693                 // Verify if window size has changed and save it if it's the case
1694                 // Ensure evaluating settings->getBool after verifying screensize
1695                 // First condition is cheaper
1696                 if (previous_screen_size != current_screen_size &&
1697                                 current_screen_size != irr::core::dimension2d<u32>(0,0) &&
1698                                 g_settings->getBool("autosave_screensize")) {
1699                         g_settings->setU16("screen_w", current_screen_size.Width);
1700                         g_settings->setU16("screen_h", current_screen_size.Height);
1701                         previous_screen_size = current_screen_size;
1702                 }
1703
1704                 /* Must be called immediately after a device->run() call because it
1705                  * uses device->getTimer()->getTime()
1706                  */
1707                 limitFps(&draw_times, &dtime);
1708
1709                 updateStats(&stats, draw_times, dtime);
1710                 updateInteractTimers(dtime);
1711
1712                 if (!checkConnection())
1713                         break;
1714                 if (!handleCallbacks())
1715                         break;
1716
1717                 processQueues();
1718
1719                 infotext = L"";
1720                 hud->resizeHotbar();
1721
1722                 updateProfilers(stats, draw_times, dtime);
1723                 processUserInput(dtime);
1724                 // Update camera before player movement to avoid camera lag of one frame
1725                 updateCameraDirection(&cam_view_target, dtime);
1726                 cam_view.camera_yaw += (cam_view_target.camera_yaw -
1727                                 cam_view.camera_yaw) * m_cache_cam_smoothing;
1728                 cam_view.camera_pitch += (cam_view_target.camera_pitch -
1729                                 cam_view.camera_pitch) * m_cache_cam_smoothing;
1730                 updatePlayerControl(cam_view);
1731                 step(&dtime);
1732                 processClientEvents(&cam_view_target);
1733                 updateCamera(draw_times.busy_time, dtime);
1734                 updateSound(dtime);
1735                 processPlayerInteraction(dtime, flags.show_hud, flags.show_debug);
1736                 updateFrame(&graph, &stats, dtime, cam_view);
1737                 updateProfilerGraphs(&graph);
1738
1739                 // Update if minimap has been disabled by the server
1740                 flags.show_minimap &= client->shouldShowMinimap();
1741         }
1742 }
1743
1744
1745 void Game::shutdown()
1746 {
1747 #if IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR <= 8
1748         if (g_settings->get("3d_mode") == "pageflip") {
1749                 driver->setRenderTarget(irr::video::ERT_STEREO_BOTH_BUFFERS);
1750         }
1751 #endif
1752         if (current_formspec)
1753                 current_formspec->quitMenu();
1754
1755         showOverlayMessage("Shutting down...", 0, 0, false);
1756
1757         if (clouds)
1758                 clouds->drop();
1759
1760         if (gui_chat_console)
1761                 gui_chat_console->drop();
1762
1763         if (sky)
1764                 sky->drop();
1765
1766         /* cleanup menus */
1767         while (g_menumgr.menuCount() > 0) {
1768                 g_menumgr.m_stack.front()->setVisible(false);
1769                 g_menumgr.deletingMenu(g_menumgr.m_stack.front());
1770         }
1771
1772         if (current_formspec) {
1773                 current_formspec->drop();
1774                 current_formspec = NULL;
1775         }
1776
1777         chat_backend->addMessage(L"", L"# Disconnected.");
1778         chat_backend->addMessage(L"", L"");
1779
1780         if (client) {
1781                 client->Stop();
1782                 while (!client->isShutdown()) {
1783                         assert(texture_src != NULL);
1784                         assert(shader_src != NULL);
1785                         texture_src->processQueue();
1786                         shader_src->processQueue();
1787                         sleep_ms(100);
1788                 }
1789         }
1790 }
1791
1792
1793 /****************************************************************************/
1794 /****************************************************************************
1795  Startup
1796  ****************************************************************************/
1797 /****************************************************************************/
1798
1799 bool Game::init(
1800                 const std::string &map_dir,
1801                 std::string *address,
1802                 u16 port,
1803                 const SubgameSpec &gamespec)
1804 {
1805         texture_src = createTextureSource();
1806
1807         showOverlayMessage("Loading...", 0, 0);
1808
1809         shader_src = createShaderSource();
1810
1811         itemdef_manager = createItemDefManager();
1812         nodedef_manager = createNodeDefManager();
1813
1814         eventmgr = new EventManager();
1815         quicktune = new QuicktuneShortcutter();
1816
1817         if (!(texture_src && shader_src && itemdef_manager && nodedef_manager
1818                         && eventmgr && quicktune))
1819                 return false;
1820
1821         if (!initSound())
1822                 return false;
1823
1824         // Create a server if not connecting to an existing one
1825         if (address->empty()) {
1826                 if (!createSingleplayerServer(map_dir, gamespec, port, address))
1827                         return false;
1828         }
1829
1830         return true;
1831 }
1832
1833 bool Game::initSound()
1834 {
1835 #if USE_SOUND
1836         if (g_settings->getBool("enable_sound")) {
1837                 infostream << "Attempting to use OpenAL audio" << std::endl;
1838                 sound = createOpenALSoundManager(&soundfetcher);
1839                 if (!sound)
1840                         infostream << "Failed to initialize OpenAL audio" << std::endl;
1841         } else
1842                 infostream << "Sound disabled." << std::endl;
1843 #endif
1844
1845         if (!sound) {
1846                 infostream << "Using dummy audio." << std::endl;
1847                 sound = &dummySoundManager;
1848                 sound_is_dummy = true;
1849         }
1850
1851         soundmaker = new SoundMaker(sound, nodedef_manager);
1852         if (!soundmaker)
1853                 return false;
1854
1855         soundmaker->registerReceiver(eventmgr);
1856
1857         return true;
1858 }
1859
1860 bool Game::createSingleplayerServer(const std::string &map_dir,
1861                 const SubgameSpec &gamespec, u16 port, std::string *address)
1862 {
1863         showOverlayMessage("Creating server...", 0, 5);
1864
1865         std::string bind_str = g_settings->get("bind_address");
1866         Address bind_addr(0, 0, 0, 0, port);
1867
1868         if (g_settings->getBool("ipv6_server")) {
1869                 bind_addr.setAddress((IPv6AddressBytes *) NULL);
1870         }
1871
1872         try {
1873                 bind_addr.Resolve(bind_str.c_str());
1874         } catch (ResolveError &e) {
1875                 infostream << "Resolving bind address \"" << bind_str
1876                            << "\" failed: " << e.what()
1877                            << " -- Listening on all addresses." << std::endl;
1878         }
1879
1880         if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1881                 *error_message = "Unable to listen on " +
1882                                 bind_addr.serializeString() +
1883                                 " because IPv6 is disabled";
1884                 errorstream << *error_message << std::endl;
1885                 return false;
1886         }
1887
1888         server = new Server(map_dir, gamespec, simple_singleplayer_mode,
1889                             bind_addr.isIPv6(), false);
1890
1891         server->start(bind_addr);
1892
1893         return true;
1894 }
1895
1896 bool Game::createClient(const std::string &playername,
1897                 const std::string &password, std::string *address, u16 port)
1898 {
1899         showOverlayMessage("Creating client...", 0, 10);
1900
1901         draw_control = new MapDrawControl;
1902         if (!draw_control)
1903                 return false;
1904
1905         bool could_connect, connect_aborted;
1906
1907         if (!connectToServer(playername, password, address, port,
1908                         &could_connect, &connect_aborted))
1909                 return false;
1910
1911         if (!could_connect) {
1912                 if (error_message->empty() && !connect_aborted) {
1913                         // Should not happen if error messages are set properly
1914                         *error_message = "Connection failed for unknown reason";
1915                         errorstream << *error_message << std::endl;
1916                 }
1917                 return false;
1918         }
1919
1920         if (!getServerContent(&connect_aborted)) {
1921                 if (error_message->empty() && !connect_aborted) {
1922                         // Should not happen if error messages are set properly
1923                         *error_message = "Connection failed for unknown reason";
1924                         errorstream << *error_message << std::endl;
1925                 }
1926                 return false;
1927         }
1928
1929         GameGlobalShaderConstantSetterFactory *scsf = new GameGlobalShaderConstantSetterFactory(
1930                         &flags.force_fog_off, &runData.fog_range, client);
1931         shader_src->addShaderConstantSetterFactory(scsf);
1932
1933         // Update cached textures, meshes and materials
1934         client->afterContentReceived();
1935
1936         /* Camera
1937          */
1938         camera = new Camera(*draw_control, client);
1939         if (!camera || !camera->successfullyCreated(*error_message))
1940                 return false;
1941         client->setCamera(camera);
1942
1943         /* Clouds
1944          */
1945         if (m_cache_enable_clouds) {
1946                 clouds = new Clouds(smgr, -1, time(0));
1947                 if (!clouds) {
1948                         *error_message = "Memory allocation error (clouds)";
1949                         errorstream << *error_message << std::endl;
1950                         return false;
1951                 }
1952         }
1953
1954         /* Skybox
1955          */
1956         sky = new Sky(-1, texture_src);
1957         scsf->setSky(sky);
1958         skybox = NULL;  // This is used/set later on in the main run loop
1959
1960         local_inventory = new Inventory(itemdef_manager);
1961
1962         if (!(sky && local_inventory)) {
1963                 *error_message = "Memory allocation error (sky or local inventory)";
1964                 errorstream << *error_message << std::endl;
1965                 return false;
1966         }
1967
1968         /* Pre-calculated values
1969          */
1970         video::ITexture *t = texture_src->getTexture("crack_anylength.png");
1971         if (t) {
1972                 v2u32 size = t->getOriginalSize();
1973                 crack_animation_length = size.Y / size.X;
1974         } else {
1975                 crack_animation_length = 5;
1976         }
1977
1978         if (!initGui())
1979                 return false;
1980
1981         /* Set window caption
1982          */
1983         std::wstring str = utf8_to_wide(PROJECT_NAME_C);
1984         str += L" ";
1985         str += utf8_to_wide(g_version_hash);
1986         str += L" [";
1987         str += driver->getName();
1988         str += L"]";
1989         device->setWindowCaption(str.c_str());
1990
1991         LocalPlayer *player = client->getEnv().getLocalPlayer();
1992         player->hurt_tilt_timer = 0;
1993         player->hurt_tilt_strength = 0;
1994
1995         hud = new Hud(guienv, client, player, local_inventory);
1996
1997         if (!hud) {
1998                 *error_message = "Memory error: could not create HUD";
1999                 errorstream << *error_message << std::endl;
2000                 return false;
2001         }
2002
2003         mapper = client->getMinimap();
2004         if (mapper)
2005                 mapper->setMinimapMode(MINIMAP_MODE_OFF);
2006
2007         return true;
2008 }
2009
2010 bool Game::initGui()
2011 {
2012         // First line of debug text
2013         guitext = addStaticText(guienv,
2014                         utf8_to_wide(PROJECT_NAME_C).c_str(),
2015                         core::rect<s32>(0, 0, 0, 0),
2016                         false, false, guiroot);
2017
2018         // Second line of debug text
2019         guitext2 = addStaticText(guienv,
2020                         L"",
2021                         core::rect<s32>(0, 0, 0, 0),
2022                         false, false, guiroot);
2023
2024         // Third line of debug text
2025         guitext3 = addStaticText(guienv,
2026                         L"",
2027                         core::rect<s32>(0, 0, 0, 0),
2028                         false, false, guiroot);
2029
2030         // At the middle of the screen
2031         // Object infos are shown in this
2032         guitext_info = addStaticText(guienv,
2033                         L"",
2034                         core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5) + v2s32(100, 200),
2035                         false, true, guiroot);
2036
2037         // Status text (displays info when showing and hiding GUI stuff, etc.)
2038         guitext_status = addStaticText(guienv,
2039                         L"<Status>",
2040                         core::rect<s32>(0, 0, 0, 0),
2041                         false, false, guiroot);
2042         guitext_status->setVisible(false);
2043
2044         // Chat text
2045         guitext_chat = addStaticText(
2046                         guienv,
2047                         L"",
2048                         core::rect<s32>(0, 0, 0, 0),
2049                         //false, false); // Disable word wrap as of now
2050                         false, true, guiroot);
2051
2052         // Remove stale "recent" chat messages from previous connections
2053         chat_backend->clearRecentChat();
2054
2055         // Chat backend and console
2056         gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(),
2057                         -1, chat_backend, client, &g_menumgr);
2058         if (!gui_chat_console) {
2059                 *error_message = "Could not allocate memory for chat console";
2060                 errorstream << *error_message << std::endl;
2061                 return false;
2062         }
2063
2064         // Profiler text (size is updated when text is updated)
2065         guitext_profiler = addStaticText(guienv,
2066                         L"<Profiler>",
2067                         core::rect<s32>(0, 0, 0, 0),
2068                         false, false, guiroot);
2069         guitext_profiler->setBackgroundColor(video::SColor(120, 0, 0, 0));
2070         guitext_profiler->setVisible(false);
2071         guitext_profiler->setWordWrap(true);
2072
2073 #ifdef HAVE_TOUCHSCREENGUI
2074
2075         if (g_touchscreengui)
2076                 g_touchscreengui->init(texture_src);
2077
2078 #endif
2079
2080         return true;
2081 }
2082
2083 bool Game::connectToServer(const std::string &playername,
2084                 const std::string &password, std::string *address, u16 port,
2085                 bool *connect_ok, bool *aborted)
2086 {
2087         *connect_ok = false;    // Let's not be overly optimistic
2088         *aborted = false;
2089         bool local_server_mode = false;
2090
2091         showOverlayMessage("Resolving address...", 0, 15);
2092
2093         Address connect_address(0, 0, 0, 0, port);
2094
2095         try {
2096                 connect_address.Resolve(address->c_str());
2097
2098                 if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
2099                         //connect_address.Resolve("localhost");
2100                         if (connect_address.isIPv6()) {
2101                                 IPv6AddressBytes addr_bytes;
2102                                 addr_bytes.bytes[15] = 1;
2103                                 connect_address.setAddress(&addr_bytes);
2104                         } else {
2105                                 connect_address.setAddress(127, 0, 0, 1);
2106                         }
2107                         local_server_mode = true;
2108                 }
2109         } catch (ResolveError &e) {
2110                 *error_message = std::string("Couldn't resolve address: ") + e.what();
2111                 errorstream << *error_message << std::endl;
2112                 return false;
2113         }
2114
2115         if (connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
2116                 *error_message = "Unable to connect to " +
2117                                 connect_address.serializeString() +
2118                                 " because IPv6 is disabled";
2119                 errorstream << *error_message << std::endl;
2120                 return false;
2121         }
2122
2123         client = new Client(playername.c_str(), password, *address,
2124                         *draw_control, texture_src, shader_src,
2125                         itemdef_manager, nodedef_manager, sound, eventmgr,
2126                         connect_address.isIPv6(), &flags);
2127
2128         if (!client)
2129                 return false;
2130
2131         infostream << "Connecting to server at ";
2132         connect_address.print(&infostream);
2133         infostream << std::endl;
2134
2135         client->connect(connect_address,
2136                 simple_singleplayer_mode || local_server_mode);
2137
2138         /*
2139                 Wait for server to accept connection
2140         */
2141
2142         try {
2143                 input->clear();
2144
2145                 FpsControl fps_control = { 0 };
2146                 f32 dtime;
2147                 f32 wait_time = 0; // in seconds
2148
2149                 fps_control.last_time = RenderingEngine::get_timer_time();
2150
2151                 client->loadMods();
2152                 client->initMods();
2153
2154                 while (RenderingEngine::run()) {
2155
2156                         limitFps(&fps_control, &dtime);
2157
2158                         // Update client and server
2159                         client->step(dtime);
2160
2161                         if (server != NULL)
2162                                 server->step(dtime);
2163
2164                         // End condition
2165                         if (client->getState() == LC_Init) {
2166                                 *connect_ok = true;
2167                                 break;
2168                         }
2169
2170                         // Break conditions
2171                         if (client->accessDenied()) {
2172                                 *error_message = "Access denied. Reason: "
2173                                                 + client->accessDeniedReason();
2174                                 *reconnect_requested = client->reconnectRequested();
2175                                 errorstream << *error_message << std::endl;
2176                                 break;
2177                         }
2178
2179                         if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2180                                 *aborted = true;
2181                                 infostream << "Connect aborted [Escape]" << std::endl;
2182                                 break;
2183                         }
2184
2185                         wait_time += dtime;
2186                         // Only time out if we aren't waiting for the server we started
2187                         if ((!address->empty()) && (wait_time > 10)) {
2188                                 bool sent_old_init = g_settings->getFlag("send_pre_v25_init");
2189                                 // If no pre v25 init was sent, and no answer was received,
2190                                 // but the low level connection could be established
2191                                 // (meaning that we have a peer id), then we probably wanted
2192                                 // to connect to a legacy server. In this case, tell the user
2193                                 // to enable the option to be able to connect.
2194                                 if (!sent_old_init &&
2195                                                 (client->getProtoVersion() == 0) &&
2196                                                 client->connectedToServer()) {
2197                                         *error_message = "Connection failure: init packet not "
2198                                         "recognized by server.\n"
2199                                         "Most likely the server uses an old protocol version (<v25).\n"
2200                                         "Please ask the server owner to update to 0.4.13 or later.\n"
2201                                         "To still connect to the server in the meantime,\n"
2202                                         "you can enable the 'send_pre_v25_init' setting by editing minetest.conf,\n"
2203                                         "or by enabling the 'Client -> Network -> Support older Servers'\n"
2204                                         "entry in the advanced settings menu.";
2205                                 } else {
2206                                         *error_message = "Connection timed out.";
2207                                 }
2208                                 errorstream << *error_message << std::endl;
2209                                 break;
2210                         }
2211
2212                         // Update status
2213                         showOverlayMessage("Connecting to server...", dtime, 20);
2214                 }
2215         } catch (con::PeerNotFoundException &e) {
2216                 // TODO: Should something be done here? At least an info/error
2217                 // message?
2218                 return false;
2219         }
2220
2221         return true;
2222 }
2223
2224 bool Game::getServerContent(bool *aborted)
2225 {
2226         input->clear();
2227
2228         FpsControl fps_control = { 0 };
2229         f32 dtime; // in seconds
2230
2231         fps_control.last_time = RenderingEngine::get_timer_time();
2232
2233         while (RenderingEngine::run()) {
2234
2235                 limitFps(&fps_control, &dtime);
2236
2237                 // Update client and server
2238                 client->step(dtime);
2239
2240                 if (server != NULL)
2241                         server->step(dtime);
2242
2243                 // End condition
2244                 if (client->mediaReceived() && client->itemdefReceived() &&
2245                                 client->nodedefReceived()) {
2246                         break;
2247                 }
2248
2249                 // Error conditions
2250                 if (!checkConnection())
2251                         return false;
2252
2253                 if (client->getState() < LC_Init) {
2254                         *error_message = "Client disconnected";
2255                         errorstream << *error_message << std::endl;
2256                         return false;
2257                 }
2258
2259                 if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2260                         *aborted = true;
2261                         infostream << "Connect aborted [Escape]" << std::endl;
2262                         return false;
2263                 }
2264
2265                 // Display status
2266                 int progress = 25;
2267
2268                 if (!client->itemdefReceived()) {
2269                         const wchar_t *text = wgettext("Item definitions...");
2270                         progress = 25;
2271                         RenderingEngine::draw_load_screen(text, guienv, texture_src,
2272                                 dtime, progress);
2273                         delete[] text;
2274                 } else if (!client->nodedefReceived()) {
2275                         const wchar_t *text = wgettext("Node definitions...");
2276                         progress = 30;
2277                         RenderingEngine::draw_load_screen(text, guienv, texture_src,
2278                                 dtime, progress);
2279                         delete[] text;
2280                 } else {
2281                         std::stringstream message;
2282                         std::fixed(message);
2283                         message.precision(0);
2284                         message << gettext("Media...") << " " << (client->mediaReceiveProgress()*100) << "%";
2285                         message.precision(2);
2286
2287                         if ((USE_CURL == 0) ||
2288                                         (!g_settings->getBool("enable_remote_media_server"))) {
2289                                 float cur = client->getCurRate();
2290                                 std::string cur_unit = gettext("KiB/s");
2291
2292                                 if (cur > 900) {
2293                                         cur /= 1024.0;
2294                                         cur_unit = gettext("MiB/s");
2295                                 }
2296
2297                                 message << " (" << cur << ' ' << cur_unit << ")";
2298                         }
2299
2300                         progress = 30 + client->mediaReceiveProgress() * 35 + 0.5;
2301                         RenderingEngine::draw_load_screen(utf8_to_wide(message.str()), guienv,
2302                                 texture_src, dtime, progress);
2303                 }
2304         }
2305
2306         return true;
2307 }
2308
2309
2310 /****************************************************************************/
2311 /****************************************************************************
2312  Run
2313  ****************************************************************************/
2314 /****************************************************************************/
2315
2316 inline void Game::updateInteractTimers(f32 dtime)
2317 {
2318         if (runData.nodig_delay_timer >= 0)
2319                 runData.nodig_delay_timer -= dtime;
2320
2321         if (runData.object_hit_delay_timer >= 0)
2322                 runData.object_hit_delay_timer -= dtime;
2323
2324         runData.time_from_last_punch += dtime;
2325 }
2326
2327
2328 /* returns false if game should exit, otherwise true
2329  */
2330 inline bool Game::checkConnection()
2331 {
2332         if (client->accessDenied()) {
2333                 *error_message = "Access denied. Reason: "
2334                                 + client->accessDeniedReason();
2335                 *reconnect_requested = client->reconnectRequested();
2336                 errorstream << *error_message << std::endl;
2337                 return false;
2338         }
2339
2340         return true;
2341 }
2342
2343
2344 /* returns false if game should exit, otherwise true
2345  */
2346 inline bool Game::handleCallbacks()
2347 {
2348         if (g_gamecallback->disconnect_requested) {
2349                 g_gamecallback->disconnect_requested = false;
2350                 return false;
2351         }
2352
2353         if (g_gamecallback->changepassword_requested) {
2354                 (new GUIPasswordChange(guienv, guiroot, -1,
2355                                        &g_menumgr, client))->drop();
2356                 g_gamecallback->changepassword_requested = false;
2357         }
2358
2359         if (g_gamecallback->changevolume_requested) {
2360                 (new GUIVolumeChange(guienv, guiroot, -1,
2361                                      &g_menumgr))->drop();
2362                 g_gamecallback->changevolume_requested = false;
2363         }
2364
2365         if (g_gamecallback->keyconfig_requested) {
2366                 (new GUIKeyChangeMenu(guienv, guiroot, -1,
2367                                       &g_menumgr))->drop();
2368                 g_gamecallback->keyconfig_requested = false;
2369         }
2370
2371         if (g_gamecallback->keyconfig_changed) {
2372                 keycache.populate(); // update the cache with new settings
2373                 g_gamecallback->keyconfig_changed = false;
2374         }
2375
2376         return true;
2377 }
2378
2379
2380 void Game::processQueues()
2381 {
2382         texture_src->processQueue();
2383         itemdef_manager->processQueue(client);
2384         shader_src->processQueue();
2385 }
2386
2387
2388 void Game::updateProfilers(const RunStats &stats, const FpsControl &draw_times, f32 dtime)
2389 {
2390         float profiler_print_interval =
2391                         g_settings->getFloat("profiler_print_interval");
2392         bool print_to_log = true;
2393
2394         if (profiler_print_interval == 0) {
2395                 print_to_log = false;
2396                 profiler_print_interval = 5;
2397         }
2398
2399         if (profiler_interval.step(dtime, profiler_print_interval)) {
2400                 if (print_to_log) {
2401                         infostream << "Profiler:" << std::endl;
2402                         g_profiler->print(infostream);
2403                 }
2404
2405                 update_profiler_gui(guitext_profiler, g_fontengine,
2406                                 runData.profiler_current_page, runData.profiler_max_page,
2407                                 driver->getScreenSize().Height);
2408
2409                 g_profiler->clear();
2410         }
2411
2412         addProfilerGraphs(stats, draw_times, dtime);
2413 }
2414
2415
2416 void Game::addProfilerGraphs(const RunStats &stats,
2417                 const FpsControl &draw_times, f32 dtime)
2418 {
2419         g_profiler->graphAdd("mainloop_other",
2420                         draw_times.busy_time / 1000.0f - stats.drawtime / 1000.0f);
2421
2422         if (draw_times.sleep_time != 0)
2423                 g_profiler->graphAdd("mainloop_sleep", draw_times.sleep_time / 1000.0f);
2424         g_profiler->graphAdd("mainloop_dtime", dtime);
2425
2426         g_profiler->add("Elapsed time", dtime);
2427         g_profiler->avg("FPS", 1. / dtime);
2428 }
2429
2430
2431 void Game::updateStats(RunStats *stats, const FpsControl &draw_times,
2432                 f32 dtime)
2433 {
2434
2435         f32 jitter;
2436         Jitter *jp;
2437
2438         /* Time average and jitter calculation
2439          */
2440         jp = &stats->dtime_jitter;
2441         jp->avg = jp->avg * 0.96 + dtime * 0.04;
2442
2443         jitter = dtime - jp->avg;
2444
2445         if (jitter > jp->max)
2446                 jp->max = jitter;
2447
2448         jp->counter += dtime;
2449
2450         if (jp->counter > 0.0) {
2451                 jp->counter -= 3.0;
2452                 jp->max_sample = jp->max;
2453                 jp->max_fraction = jp->max_sample / (jp->avg + 0.001);
2454                 jp->max = 0.0;
2455         }
2456
2457         /* Busytime average and jitter calculation
2458          */
2459         jp = &stats->busy_time_jitter;
2460         jp->avg = jp->avg + draw_times.busy_time * 0.02;
2461
2462         jitter = draw_times.busy_time - jp->avg;
2463
2464         if (jitter > jp->max)
2465                 jp->max = jitter;
2466         if (jitter < jp->min)
2467                 jp->min = jitter;
2468
2469         jp->counter += dtime;
2470
2471         if (jp->counter > 0.0) {
2472                 jp->counter -= 3.0;
2473                 jp->max_sample = jp->max;
2474                 jp->min_sample = jp->min;
2475                 jp->max = 0.0;
2476                 jp->min = 0.0;
2477         }
2478 }
2479
2480
2481
2482 /****************************************************************************
2483  Input handling
2484  ****************************************************************************/
2485
2486 void Game::processUserInput(f32 dtime)
2487 {
2488         // Reset input if window not active or some menu is active
2489         if (!device->isWindowActive() || isMenuActive() || guienv->hasFocus(gui_chat_console)) {
2490                 input->clear();
2491 #ifdef HAVE_TOUCHSCREENGUI
2492                 g_touchscreengui->hide();
2493 #endif
2494         }
2495 #ifdef HAVE_TOUCHSCREENGUI
2496         else if (g_touchscreengui) {
2497                 /* on touchscreengui step may generate own input events which ain't
2498                  * what we want in case we just did clear them */
2499                 g_touchscreengui->step(dtime);
2500         }
2501 #endif
2502
2503         if (!guienv->hasFocus(gui_chat_console) && gui_chat_console->isOpen()) {
2504                 gui_chat_console->closeConsoleAtOnce();
2505         }
2506
2507         // Input handler step() (used by the random input generator)
2508         input->step(dtime);
2509
2510 #ifdef __ANDROID__
2511         if (current_formspec != NULL)
2512                 current_formspec->getAndroidUIInput();
2513         else
2514                 handleAndroidChatInput();
2515 #endif
2516
2517         // Increase timer for double tap of "keymap_jump"
2518         if (m_cache_doubletap_jump && runData.jump_timer <= 0.2f)
2519                 runData.jump_timer += dtime;
2520
2521         processKeyInput();
2522         processItemSelection(&runData.new_playeritem);
2523 }
2524
2525
2526 void Game::processKeyInput()
2527 {
2528         if (wasKeyDown(KeyType::DROP)) {
2529                 dropSelectedItem(isKeyDown(KeyType::SNEAK));
2530         } else if (wasKeyDown(KeyType::AUTOFORWARD)) {
2531                 toggleAutoforward();
2532         } else if (wasKeyDown(KeyType::INVENTORY)) {
2533                 openInventory();
2534         } else if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2535                 if (!gui_chat_console->isOpenInhibited()) {
2536                         showPauseMenu();
2537                 }
2538         } else if (wasKeyDown(KeyType::CHAT)) {
2539                 openConsole(0.2, L"");
2540         } else if (wasKeyDown(KeyType::CMD)) {
2541                 openConsole(0.2, L"/");
2542         } else if (wasKeyDown(KeyType::CMD_LOCAL)) {
2543                 openConsole(0.2, L".");
2544         } else if (wasKeyDown(KeyType::CONSOLE)) {
2545                 openConsole(core::clamp(g_settings->getFloat("console_height"), 0.1f, 1.0f));
2546         } else if (wasKeyDown(KeyType::FREEMOVE)) {
2547                 toggleFreeMove();
2548         } else if (wasKeyDown(KeyType::JUMP)) {
2549                 toggleFreeMoveAlt();
2550         } else if (wasKeyDown(KeyType::FASTMOVE)) {
2551                 toggleFast();
2552         } else if (wasKeyDown(KeyType::NOCLIP)) {
2553                 toggleNoClip();
2554         } else if (wasKeyDown(KeyType::MUTE)) {
2555                 float volume = g_settings->getFloat("sound_volume");
2556                 if (volume < 0.001f) {
2557                         g_settings->setFloat("sound_volume", 1.0f);
2558                         m_statustext = narrow_to_wide(gettext("Volume changed to 100%"));
2559                 } else {
2560                         g_settings->setFloat("sound_volume", 0.0f);
2561                         m_statustext = narrow_to_wide(gettext("Volume changed to 0%"));
2562                 }
2563                 runData.statustext_time = 0;
2564         } else if (wasKeyDown(KeyType::INC_VOLUME)) {
2565                 float new_volume = rangelim(g_settings->getFloat("sound_volume") + 0.1f, 0.0f, 1.0f);
2566                 char buf[100];
2567                 g_settings->setFloat("sound_volume", new_volume);
2568                 snprintf(buf, sizeof(buf), gettext("Volume changed to %d%%"), myround(new_volume * 100));
2569                 m_statustext = narrow_to_wide(buf);
2570                 runData.statustext_time = 0;
2571         } else if (wasKeyDown(KeyType::DEC_VOLUME)) {
2572                 float new_volume = rangelim(g_settings->getFloat("sound_volume") - 0.1f, 0.0f, 1.0f);
2573                 char buf[100];
2574                 g_settings->setFloat("sound_volume", new_volume);
2575                 snprintf(buf, sizeof(buf), gettext("Volume changed to %d%%"), myround(new_volume * 100));
2576                 m_statustext = narrow_to_wide(buf);
2577                 runData.statustext_time = 0;
2578         } else if (wasKeyDown(KeyType::CINEMATIC)) {
2579                 toggleCinematic();
2580         } else if (wasKeyDown(KeyType::SCREENSHOT)) {
2581                 client->makeScreenshot();
2582         } else if (wasKeyDown(KeyType::TOGGLE_HUD)) {
2583                 toggleHud();
2584         } else if (wasKeyDown(KeyType::MINIMAP)) {
2585                 toggleMinimap(isKeyDown(KeyType::SNEAK));
2586         } else if (wasKeyDown(KeyType::TOGGLE_CHAT)) {
2587                 toggleChat();
2588         } else if (wasKeyDown(KeyType::TOGGLE_FORCE_FOG_OFF)) {
2589                 toggleFog();
2590         } else if (wasKeyDown(KeyType::TOGGLE_UPDATE_CAMERA)) {
2591                 toggleUpdateCamera();
2592         } else if (wasKeyDown(KeyType::TOGGLE_DEBUG)) {
2593                 toggleDebug();
2594         } else if (wasKeyDown(KeyType::TOGGLE_PROFILER)) {
2595                 toggleProfiler();
2596         } else if (wasKeyDown(KeyType::INCREASE_VIEWING_RANGE)) {
2597                 increaseViewRange();
2598         } else if (wasKeyDown(KeyType::DECREASE_VIEWING_RANGE)) {
2599                 decreaseViewRange();
2600         } else if (wasKeyDown(KeyType::RANGESELECT)) {
2601                 toggleFullViewRange();
2602         } else if (wasKeyDown(KeyType::QUICKTUNE_NEXT)) {
2603                 quicktune->next();
2604         } else if (wasKeyDown(KeyType::QUICKTUNE_PREV)) {
2605                 quicktune->prev();
2606         } else if (wasKeyDown(KeyType::QUICKTUNE_INC)) {
2607                 quicktune->inc();
2608         } else if (wasKeyDown(KeyType::QUICKTUNE_DEC)) {
2609                 quicktune->dec();
2610         }
2611
2612         if (!isKeyDown(KeyType::JUMP) && runData.reset_jump_timer) {
2613                 runData.reset_jump_timer = false;
2614                 runData.jump_timer = 0.0f;
2615         }
2616
2617         if (quicktune->hasMessage()) {
2618                 m_statustext = utf8_to_wide(quicktune->getMessage());
2619                 runData.statustext_time = 0.0f;
2620         }
2621 }
2622
2623 void Game::processItemSelection(u16 *new_playeritem)
2624 {
2625         LocalPlayer *player = client->getEnv().getLocalPlayer();
2626
2627         /* Item selection using mouse wheel
2628          */
2629         *new_playeritem = client->getPlayerItem();
2630
2631         s32 wheel = input->getMouseWheel();
2632         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE - 1,
2633                     player->hud_hotbar_itemcount - 1);
2634
2635         s32 dir = wheel;
2636
2637         if (input->joystick.wasKeyDown(KeyType::SCROLL_DOWN) ||
2638                         wasKeyDown(KeyType::HOTBAR_NEXT)) {
2639                 dir = -1;
2640         }
2641
2642         if (input->joystick.wasKeyDown(KeyType::SCROLL_UP) ||
2643                         wasKeyDown(KeyType::HOTBAR_PREV)) {
2644                 dir = 1;
2645         }
2646
2647         if (dir < 0)
2648                 *new_playeritem = *new_playeritem < max_item ? *new_playeritem + 1 : 0;
2649         else if (dir > 0)
2650                 *new_playeritem = *new_playeritem > 0 ? *new_playeritem - 1 : max_item;
2651         // else dir == 0
2652
2653         /* Item selection using hotbar slot keys
2654          */
2655         for (u16 i = 0; i < 23; i++) {
2656                 if (wasKeyDown((GameKeyType) (KeyType::SLOT_1 + i))) {
2657                         if (i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount) {
2658                                 *new_playeritem = i;
2659                                 infostream << "Selected item: " << new_playeritem << std::endl;
2660                         }
2661                         break;
2662                 }
2663         }
2664 }
2665
2666
2667 void Game::dropSelectedItem(bool single_item)
2668 {
2669         IDropAction *a = new IDropAction();
2670         a->count = single_item ? 1 : 0;
2671         a->from_inv.setCurrentPlayer();
2672         a->from_list = "main";
2673         a->from_i = client->getPlayerItem();
2674         client->inventoryAction(a);
2675 }
2676
2677
2678 void Game::openInventory()
2679 {
2680         /*
2681          * Don't permit to open inventory is CAO or player doesn't exists.
2682          * This prevent showing an empty inventory at player load
2683          */
2684
2685         LocalPlayer *player = client->getEnv().getLocalPlayer();
2686         if (!player || !player->getCAO())
2687                 return;
2688
2689         infostream << "the_game: " << "Launching inventory" << std::endl;
2690
2691         PlayerInventoryFormSource *fs_src = new PlayerInventoryFormSource(client);
2692         TextDest *txt_dst = new TextDestPlayerInventory(client);
2693
2694         create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
2695         cur_formname = "";
2696
2697         InventoryLocation inventoryloc;
2698         inventoryloc.setCurrentPlayer();
2699         current_formspec->setFormSpec(fs_src->getForm(), inventoryloc);
2700 }
2701
2702
2703 void Game::openConsole(float scale, const wchar_t *line)
2704 {
2705         assert(scale > 0.0f && scale <= 1.0f);
2706
2707 #ifdef __ANDROID__
2708         porting::showInputDialog(gettext("ok"), "", "", 2);
2709         m_android_chat_open = true;
2710 #else
2711         if (gui_chat_console->isOpenInhibited())
2712                 return;
2713         gui_chat_console->openConsole(scale);
2714         if (line) {
2715                 gui_chat_console->setCloseOnEnter(true);
2716                 gui_chat_console->replaceAndAddToHistory(line);
2717         }
2718 #endif
2719 }
2720
2721 #ifdef __ANDROID__
2722 void Game::handleAndroidChatInput()
2723 {
2724         if (m_android_chat_open && porting::getInputDialogState() == 0) {
2725                 std::string text = porting::getInputDialogValue();
2726                 client->typeChatMessage(utf8_to_wide(text));
2727         }
2728 }
2729 #endif
2730
2731
2732 void Game::toggleFreeMove()
2733 {
2734         static const wchar_t *msg[] = { L"free_move disabled", L"free_move enabled" };
2735
2736         bool free_move = !g_settings->getBool("free_move");
2737         g_settings->set("free_move", bool_to_cstr(free_move));
2738
2739         runData.statustext_time = 0;
2740         m_statustext = msg[free_move];
2741         if (free_move && !client->checkPrivilege("fly"))
2742                 m_statustext += L" (note: no 'fly' privilege)";
2743 }
2744
2745
2746 void Game::toggleFreeMoveAlt()
2747 {
2748         if (m_cache_doubletap_jump && runData.jump_timer < 0.2f)
2749                 toggleFreeMove();
2750
2751         runData.reset_jump_timer = true;
2752 }
2753
2754
2755 void Game::toggleFast()
2756 {
2757         static const wchar_t *msg[] = { L"fast_move disabled", L"fast_move enabled" };
2758         bool fast_move = !g_settings->getBool("fast_move");
2759         g_settings->set("fast_move", bool_to_cstr(fast_move));
2760
2761         runData.statustext_time = 0;
2762         m_statustext = msg[fast_move];
2763
2764         bool has_fast_privs = client->checkPrivilege("fast");
2765
2766         if (fast_move && !has_fast_privs)
2767                 m_statustext += L" (note: no 'fast' privilege)";
2768
2769 #ifdef __ANDROID__
2770         m_cache_hold_aux1 = fast_move && has_fast_privs;
2771 #endif
2772 }
2773
2774
2775 void Game::toggleNoClip()
2776 {
2777         static const wchar_t *msg[] = { L"noclip disabled", L"noclip enabled" };
2778         bool noclip = !g_settings->getBool("noclip");
2779         g_settings->set("noclip", bool_to_cstr(noclip));
2780
2781         runData.statustext_time = 0;
2782         m_statustext = msg[noclip];
2783
2784         if (noclip && !client->checkPrivilege("noclip"))
2785                 m_statustext += L" (note: no 'noclip' privilege)";
2786 }
2787
2788 void Game::toggleCinematic()
2789 {
2790         static const wchar_t *msg[] = { L"cinematic disabled", L"cinematic enabled" };
2791         bool cinematic = !g_settings->getBool("cinematic");
2792         g_settings->set("cinematic", bool_to_cstr(cinematic));
2793
2794         runData.statustext_time = 0;
2795         m_statustext = msg[cinematic];
2796 }
2797
2798 // Autoforward by toggling continuous forward.
2799 void Game::toggleAutoforward()
2800 {
2801         static const wchar_t *msg[] = { L"autoforward disabled", L"autoforward enabled" };
2802         bool autoforward_enabled = !g_settings->getBool("continuous_forward");
2803         g_settings->set("continuous_forward", bool_to_cstr(autoforward_enabled));
2804
2805         runData.statustext_time = 0;
2806         m_statustext = msg[autoforward_enabled ? 1 : 0];
2807 }
2808
2809 void Game::toggleChat()
2810 {
2811         static const wchar_t *msg[] = { L"Chat hidden", L"Chat shown" };
2812
2813         flags.show_chat = !flags.show_chat;
2814         runData.statustext_time = 0;
2815         m_statustext = msg[flags.show_chat];
2816 }
2817
2818
2819 void Game::toggleHud()
2820 {
2821         static const wchar_t *msg[] = { L"HUD hidden", L"HUD shown" };
2822
2823         flags.show_hud = !flags.show_hud;
2824         runData.statustext_time = 0;
2825         m_statustext = msg[flags.show_hud];
2826 }
2827
2828 void Game::toggleMinimap(bool shift_pressed)
2829 {
2830         if (!mapper || !flags.show_hud || !g_settings->getBool("enable_minimap"))
2831                 return;
2832
2833         if (shift_pressed) {
2834                 mapper->toggleMinimapShape();
2835                 return;
2836         }
2837
2838         u32 hud_flags = client->getEnv().getLocalPlayer()->hud_flags;
2839
2840         MinimapMode mode = MINIMAP_MODE_OFF;
2841         if (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) {
2842                 mode = mapper->getMinimapMode();
2843                 mode = (MinimapMode)((int)mode + 1);
2844                 // If radar is disabled and in, or switching to, radar mode
2845                 if (!(hud_flags & HUD_FLAG_MINIMAP_RADAR_VISIBLE) && mode > 3)
2846                         mode = MINIMAP_MODE_OFF;
2847         }
2848
2849         flags.show_minimap = true;
2850         switch (mode) {
2851                 case MINIMAP_MODE_SURFACEx1:
2852                         m_statustext = L"Minimap in surface mode, Zoom x1";
2853                         break;
2854                 case MINIMAP_MODE_SURFACEx2:
2855                         m_statustext = L"Minimap in surface mode, Zoom x2";
2856                         break;
2857                 case MINIMAP_MODE_SURFACEx4:
2858                         m_statustext = L"Minimap in surface mode, Zoom x4";
2859                         break;
2860                 case MINIMAP_MODE_RADARx1:
2861                         m_statustext = L"Minimap in radar mode, Zoom x1";
2862                         break;
2863                 case MINIMAP_MODE_RADARx2:
2864                         m_statustext = L"Minimap in radar mode, Zoom x2";
2865                         break;
2866                 case MINIMAP_MODE_RADARx4:
2867                         m_statustext = L"Minimap in radar mode, Zoom x4";
2868                         break;
2869                 default:
2870                         mode = MINIMAP_MODE_OFF;
2871                         flags.show_minimap = false;
2872                         m_statustext = (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) ?
2873                                 L"Minimap hidden" : L"Minimap disabled by server";
2874         }
2875
2876         runData.statustext_time = 0;
2877         mapper->setMinimapMode(mode);
2878 }
2879
2880 void Game::toggleFog()
2881 {
2882         static const wchar_t *msg[] = { L"Fog enabled", L"Fog disabled" };
2883
2884         flags.force_fog_off = !flags.force_fog_off;
2885         runData.statustext_time = 0;
2886         m_statustext = msg[flags.force_fog_off];
2887 }
2888
2889
2890 void Game::toggleDebug()
2891 {
2892         // Initial / 4x toggle: Chat only
2893         // 1x toggle: Debug text with chat
2894         // 2x toggle: Debug text with profiler graph
2895         // 3x toggle: Debug text and wireframe
2896         if (!flags.show_debug) {
2897                 flags.show_debug = true;
2898                 flags.show_profiler_graph = false;
2899                 draw_control->show_wireframe = false;
2900                 m_statustext = L"Debug info shown";
2901         } else if (!flags.show_profiler_graph && !draw_control->show_wireframe) {
2902                 flags.show_profiler_graph = true;
2903                 m_statustext = L"Profiler graph shown";
2904         } else if (!draw_control->show_wireframe && client->checkPrivilege("debug")) {
2905                 flags.show_profiler_graph = false;
2906                 draw_control->show_wireframe = true;
2907                 m_statustext = L"Wireframe shown";
2908         } else {
2909                 flags.show_debug = false;
2910                 flags.show_profiler_graph = false;
2911                 draw_control->show_wireframe = false;
2912                 if (client->checkPrivilege("debug")) {
2913                         m_statustext = L"Debug info, profiler graph, and wireframe hidden";
2914                 } else {
2915                         m_statustext = L"Debug info and profiler graph hidden";
2916                 }
2917         }
2918         runData.statustext_time = 0;
2919 }
2920
2921
2922 void Game::toggleUpdateCamera()
2923 {
2924         static const wchar_t *msg[] = {
2925                 L"Camera update enabled",
2926                 L"Camera update disabled"
2927         };
2928
2929         flags.disable_camera_update = !flags.disable_camera_update;
2930         runData.statustext_time = 0;
2931         m_statustext = msg[flags.disable_camera_update];
2932 }
2933
2934
2935 void Game::toggleProfiler()
2936 {
2937         runData.profiler_current_page =
2938                 (runData.profiler_current_page + 1) % (runData.profiler_max_page + 1);
2939
2940         // FIXME: This updates the profiler with incomplete values
2941         update_profiler_gui(guitext_profiler, g_fontengine, runData.profiler_current_page,
2942                 runData.profiler_max_page, driver->getScreenSize().Height);
2943
2944         if (runData.profiler_current_page != 0) {
2945                 std::wstringstream sstr;
2946                 sstr << "Profiler shown (page " << runData.profiler_current_page
2947                      << " of " << runData.profiler_max_page << ")";
2948                 m_statustext = sstr.str();
2949         } else {
2950                 m_statustext = L"Profiler hidden";
2951         }
2952         runData.statustext_time = 0;
2953 }
2954
2955
2956 void Game::increaseViewRange()
2957 {
2958         s16 range = g_settings->getS16("viewing_range");
2959         s16 range_new = range + 10;
2960
2961         if (range_new > 4000) {
2962                 range_new = 4000;
2963                 m_statustext = utf8_to_wide("Viewing range is at maximum: "
2964                                 + itos(range_new));
2965         } else {
2966                 m_statustext = utf8_to_wide("Viewing range changed to "
2967                                 + itos(range_new));
2968         }
2969         g_settings->set("viewing_range", itos(range_new));
2970         runData.statustext_time = 0;
2971 }
2972
2973
2974 void Game::decreaseViewRange()
2975 {
2976         s16 range = g_settings->getS16("viewing_range");
2977         s16 range_new = range - 10;
2978
2979         if (range_new < 20) {
2980                 range_new = 20;
2981                 m_statustext = utf8_to_wide("Viewing range is at minimum: "
2982                                 + itos(range_new));
2983         } else {
2984                 m_statustext = utf8_to_wide("Viewing range changed to "
2985                                 + itos(range_new));
2986         }
2987         g_settings->set("viewing_range", itos(range_new));
2988         runData.statustext_time = 0;
2989 }
2990
2991
2992 void Game::toggleFullViewRange()
2993 {
2994         static const wchar_t *msg[] = {
2995                 L"Normal view range",
2996                 L"Infinite view range"
2997         };
2998
2999         draw_control->range_all = !draw_control->range_all;
3000         infostream << msg[draw_control->range_all] << std::endl;
3001         m_statustext = msg[draw_control->range_all];
3002         runData.statustext_time = 0;
3003 }
3004
3005
3006 void Game::updateCameraDirection(CameraOrientation *cam, float dtime)
3007 {
3008         if ((device->isWindowActive() && device->isWindowFocused()
3009                         && !isMenuActive()) || random_input) {
3010
3011 #ifndef __ANDROID__
3012                 if (!random_input) {
3013                         // Mac OSX gets upset if this is set every frame
3014                         if (device->getCursorControl()->isVisible())
3015                                 device->getCursorControl()->setVisible(false);
3016                 }
3017 #endif
3018
3019                 if (m_first_loop_after_window_activation)
3020                         m_first_loop_after_window_activation = false;
3021                 else
3022                         updateCameraOrientation(cam, dtime);
3023
3024                 input->setMousePos((driver->getScreenSize().Width / 2),
3025                                 (driver->getScreenSize().Height / 2));
3026         } else {
3027
3028 #ifndef ANDROID
3029                 // Mac OSX gets upset if this is set every frame
3030                 if (!device->getCursorControl()->isVisible())
3031                         device->getCursorControl()->setVisible(true);
3032 #endif
3033
3034                 m_first_loop_after_window_activation = true;
3035
3036         }
3037 }
3038
3039 void Game::updateCameraOrientation(CameraOrientation *cam, float dtime)
3040 {
3041 #ifdef HAVE_TOUCHSCREENGUI
3042         if (g_touchscreengui) {
3043                 cam->camera_yaw   += g_touchscreengui->getYawChange();
3044                 cam->camera_pitch  = g_touchscreengui->getPitch();
3045         } else {
3046 #endif
3047
3048                 s32 dx = input->getMousePos().X - (driver->getScreenSize().Width / 2);
3049                 s32 dy = input->getMousePos().Y - (driver->getScreenSize().Height / 2);
3050
3051                 if (m_invert_mouse || camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT) {
3052                         dy = -dy;
3053                 }
3054
3055                 cam->camera_yaw   -= dx * m_cache_mouse_sensitivity;
3056                 cam->camera_pitch += dy * m_cache_mouse_sensitivity;
3057
3058 #ifdef HAVE_TOUCHSCREENGUI
3059         }
3060 #endif
3061
3062         if (m_cache_enable_joysticks) {
3063                 f32 c = m_cache_joystick_frustum_sensitivity * (1.f / 32767.f) * dtime;
3064                 cam->camera_yaw -= input->joystick.getAxisWithoutDead(JA_FRUSTUM_HORIZONTAL) * c;
3065                 cam->camera_pitch += input->joystick.getAxisWithoutDead(JA_FRUSTUM_VERTICAL) * c;
3066         }
3067
3068         cam->camera_pitch = rangelim(cam->camera_pitch, -89.5, 89.5);
3069 }
3070
3071
3072 void Game::updatePlayerControl(const CameraOrientation &cam)
3073 {
3074         //TimeTaker tt("update player control", NULL, PRECISION_NANO);
3075
3076         // DO NOT use the isKeyDown method for the forward, backward, left, right
3077         // buttons, as the code that uses the controls needs to be able to
3078         // distinguish between the two in order to know when to use joysticks.
3079
3080         PlayerControl control(
3081                 input->isKeyDown(keycache.key[KeyType::FORWARD]),
3082                 input->isKeyDown(keycache.key[KeyType::BACKWARD]),
3083                 input->isKeyDown(keycache.key[KeyType::LEFT]),
3084                 input->isKeyDown(keycache.key[KeyType::RIGHT]),
3085                 isKeyDown(KeyType::JUMP),
3086                 isKeyDown(KeyType::SPECIAL1),
3087                 isKeyDown(KeyType::SNEAK),
3088                 isKeyDown(KeyType::ZOOM),
3089                 isLeftPressed(),
3090                 isRightPressed(),
3091                 cam.camera_pitch,
3092                 cam.camera_yaw,
3093                 input->joystick.getAxisWithoutDead(JA_SIDEWARD_MOVE),
3094                 input->joystick.getAxisWithoutDead(JA_FORWARD_MOVE)
3095         );
3096
3097         u32 keypress_bits =
3098                         ( (u32)(isKeyDown(KeyType::FORWARD)                       & 0x1) << 0) |
3099                         ( (u32)(isKeyDown(KeyType::BACKWARD)                      & 0x1) << 1) |
3100                         ( (u32)(isKeyDown(KeyType::LEFT)                          & 0x1) << 2) |
3101                         ( (u32)(isKeyDown(KeyType::RIGHT)                         & 0x1) << 3) |
3102                         ( (u32)(isKeyDown(KeyType::JUMP)                          & 0x1) << 4) |
3103                         ( (u32)(isKeyDown(KeyType::SPECIAL1)                      & 0x1) << 5) |
3104                         ( (u32)(isKeyDown(KeyType::SNEAK)                         & 0x1) << 6) |
3105                         ( (u32)(isLeftPressed()                                   & 0x1) << 7) |
3106                         ( (u32)(isRightPressed()                                  & 0x1) << 8
3107                 );
3108
3109 #ifdef ANDROID
3110         /* For Android, simulate holding down AUX1 (fast move) if the user has
3111          * the fast_move setting toggled on. If there is an aux1 key defined for
3112          * Android then its meaning is inverted (i.e. holding aux1 means walk and
3113          * not fast)
3114          */
3115         if (m_cache_hold_aux1) {
3116                 control.aux1 = control.aux1 ^ true;
3117                 keypress_bits ^= ((u32)(1U << 5));
3118         }
3119 #endif
3120
3121         client->setPlayerControl(control);
3122         LocalPlayer *player = client->getEnv().getLocalPlayer();
3123         player->keyPressed = keypress_bits;
3124
3125         //tt.stop();
3126 }
3127
3128
3129 inline void Game::step(f32 *dtime)
3130 {
3131         bool can_be_and_is_paused =
3132                         (simple_singleplayer_mode && g_menumgr.pausesGame());
3133
3134         if (can_be_and_is_paused) {     // This is for a singleplayer server
3135                 *dtime = 0;             // No time passes
3136         } else {
3137                 if (server != NULL) {
3138                         //TimeTaker timer("server->step(dtime)");
3139                         server->step(*dtime);
3140                 }
3141
3142                 //TimeTaker timer("client.step(dtime)");
3143                 client->step(*dtime);
3144         }
3145 }
3146
3147 const ClientEventHandler Game::clientEventHandler[CLIENTEVENT_MAX] = {
3148         {&Game::handleClientEvent_None},
3149         {&Game::handleClientEvent_PlayerDamage},
3150         {&Game::handleClientEvent_PlayerForceMove},
3151         {&Game::handleClientEvent_Deathscreen},
3152         {&Game::handleClientEvent_ShowFormSpec},
3153         {&Game::handleClientEvent_ShowLocalFormSpec},
3154         {&Game::handleClientEvent_HandleParticleEvent},
3155         {&Game::handleClientEvent_HandleParticleEvent},
3156         {&Game::handleClientEvent_HandleParticleEvent},
3157         {&Game::handleClientEvent_HudAdd},
3158         {&Game::handleClientEvent_HudRemove},
3159         {&Game::handleClientEvent_HudChange},
3160         {&Game::handleClientEvent_SetSky},
3161         {&Game::handleClientEvent_OverrideDayNigthRatio},
3162         {&Game::handleClientEvent_CloudParams},
3163 };
3164
3165 void Game::handleClientEvent_None(ClientEvent *event, CameraOrientation *cam)
3166 {
3167         FATAL_ERROR("ClientEvent type None received");
3168 }
3169
3170 void Game::handleClientEvent_PlayerDamage(ClientEvent *event, CameraOrientation *cam)
3171 {
3172         if (client->getHP() == 0)
3173                 return;
3174
3175         if (client->moddingEnabled()) {
3176                 client->getScript()->on_damage_taken(event->player_damage.amount);
3177         }
3178
3179         runData.damage_flash += 95.0 + 3.2 * event->player_damage.amount;
3180         runData.damage_flash = MYMIN(runData.damage_flash, 127.0);
3181
3182         LocalPlayer *player = client->getEnv().getLocalPlayer();
3183
3184         player->hurt_tilt_timer = 1.5;
3185         player->hurt_tilt_strength =
3186                 rangelim(event->player_damage.amount / 4, 1.0, 4.0);
3187
3188         client->event()->put(new SimpleTriggerEvent("PlayerDamage"));
3189 }
3190
3191 void Game::handleClientEvent_PlayerForceMove(ClientEvent *event, CameraOrientation *cam)
3192 {
3193         cam->camera_yaw = event->player_force_move.yaw;
3194         cam->camera_pitch = event->player_force_move.pitch;
3195 }
3196
3197 void Game::handleClientEvent_Deathscreen(ClientEvent *event, CameraOrientation *cam)
3198 {
3199         // This should be enabled for death formspec in builtin
3200         client->getScript()->on_death();
3201
3202         LocalPlayer *player = client->getEnv().getLocalPlayer();
3203
3204         /* Handle visualization */
3205         runData.damage_flash = 0;
3206         player->hurt_tilt_timer = 0;
3207         player->hurt_tilt_strength = 0;
3208 }
3209
3210 void Game::handleClientEvent_ShowFormSpec(ClientEvent *event, CameraOrientation *cam)
3211 {
3212         if (event->show_formspec.formspec->empty()) {
3213                 if (current_formspec && (event->show_formspec.formname->empty()
3214                         || *(event->show_formspec.formname) == cur_formname)) {
3215                         current_formspec->quitMenu();
3216                 }
3217         } else {
3218                 FormspecFormSource *fs_src =
3219                         new FormspecFormSource(*(event->show_formspec.formspec));
3220                 TextDestPlayerInventory *txt_dst =
3221                         new TextDestPlayerInventory(client, *(event->show_formspec.formname));
3222
3223                 create_formspec_menu(&current_formspec, client, &input->joystick,
3224                         fs_src, txt_dst);
3225                 cur_formname = *(event->show_formspec.formname);
3226         }
3227
3228         delete event->show_formspec.formspec;
3229         delete event->show_formspec.formname;
3230 }
3231
3232 void Game::handleClientEvent_ShowLocalFormSpec(ClientEvent *event, CameraOrientation *cam)
3233 {
3234         FormspecFormSource *fs_src = new FormspecFormSource(*event->show_formspec.formspec);
3235         LocalFormspecHandler *txt_dst =
3236                 new LocalFormspecHandler(*event->show_formspec.formname, client);
3237         create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
3238
3239         delete event->show_formspec.formspec;
3240         delete event->show_formspec.formname;
3241 }
3242
3243 void Game::handleClientEvent_HandleParticleEvent(ClientEvent *event,
3244                 CameraOrientation *cam)
3245 {
3246         LocalPlayer *player = client->getEnv().getLocalPlayer();
3247         client->getParticleManager()->handleParticleEvent(event, client, player);
3248 }
3249
3250 void Game::handleClientEvent_HudAdd(ClientEvent *event, CameraOrientation *cam)
3251 {
3252         LocalPlayer *player = client->getEnv().getLocalPlayer();
3253
3254         u32 id = event->hudadd.id;
3255
3256         HudElement *e = player->getHud(id);
3257
3258         if (e != NULL) {
3259                 delete event->hudadd.pos;
3260                 delete event->hudadd.name;
3261                 delete event->hudadd.scale;
3262                 delete event->hudadd.text;
3263                 delete event->hudadd.align;
3264                 delete event->hudadd.offset;
3265                 delete event->hudadd.world_pos;
3266                 delete event->hudadd.size;
3267                 return;
3268         }
3269
3270         e = new HudElement;
3271         e->type   = (HudElementType)event->hudadd.type;
3272         e->pos    = *event->hudadd.pos;
3273         e->name   = *event->hudadd.name;
3274         e->scale  = *event->hudadd.scale;
3275         e->text   = *event->hudadd.text;
3276         e->number = event->hudadd.number;
3277         e->item   = event->hudadd.item;
3278         e->dir    = event->hudadd.dir;
3279         e->align  = *event->hudadd.align;
3280         e->offset = *event->hudadd.offset;
3281         e->world_pos = *event->hudadd.world_pos;
3282         e->size = *event->hudadd.size;
3283
3284         u32 new_id = player->addHud(e);
3285         //if this isn't true our huds aren't consistent
3286         sanity_check(new_id == id);
3287
3288         delete event->hudadd.pos;
3289         delete event->hudadd.name;
3290         delete event->hudadd.scale;
3291         delete event->hudadd.text;
3292         delete event->hudadd.align;
3293         delete event->hudadd.offset;
3294         delete event->hudadd.world_pos;
3295         delete event->hudadd.size;
3296 }
3297
3298 void Game::handleClientEvent_HudRemove(ClientEvent *event, CameraOrientation *cam)
3299 {
3300         LocalPlayer *player = client->getEnv().getLocalPlayer();
3301         HudElement *e = player->removeHud(event->hudrm.id);
3302         delete e;
3303 }
3304
3305 void Game::handleClientEvent_HudChange(ClientEvent *event, CameraOrientation *cam)
3306 {
3307         LocalPlayer *player = client->getEnv().getLocalPlayer();
3308
3309         u32 id = event->hudchange.id;
3310         HudElement *e = player->getHud(id);
3311
3312         if (e == NULL) {
3313                 delete event->hudchange.v3fdata;
3314                 delete event->hudchange.v2fdata;
3315                 delete event->hudchange.sdata;
3316                 delete event->hudchange.v2s32data;
3317                 return;
3318         }
3319
3320         switch (event->hudchange.stat) {
3321                 case HUD_STAT_POS:
3322                         e->pos = *event->hudchange.v2fdata;
3323                         break;
3324
3325                 case HUD_STAT_NAME:
3326                         e->name = *event->hudchange.sdata;
3327                         break;
3328
3329                 case HUD_STAT_SCALE:
3330                         e->scale = *event->hudchange.v2fdata;
3331                         break;
3332
3333                 case HUD_STAT_TEXT:
3334                         e->text = *event->hudchange.sdata;
3335                         break;
3336
3337                 case HUD_STAT_NUMBER:
3338                         e->number = event->hudchange.data;
3339                         break;
3340
3341                 case HUD_STAT_ITEM:
3342                         e->item = event->hudchange.data;
3343                         break;
3344
3345                 case HUD_STAT_DIR:
3346                         e->dir = event->hudchange.data;
3347                         break;
3348
3349                 case HUD_STAT_ALIGN:
3350                         e->align = *event->hudchange.v2fdata;
3351                         break;
3352
3353                 case HUD_STAT_OFFSET:
3354                         e->offset = *event->hudchange.v2fdata;
3355                         break;
3356
3357                 case HUD_STAT_WORLD_POS:
3358                         e->world_pos = *event->hudchange.v3fdata;
3359                         break;
3360
3361                 case HUD_STAT_SIZE:
3362                         e->size = *event->hudchange.v2s32data;
3363                         break;
3364         }
3365
3366         delete event->hudchange.v3fdata;
3367         delete event->hudchange.v2fdata;
3368         delete event->hudchange.sdata;
3369         delete event->hudchange.v2s32data;
3370 }
3371
3372 void Game::handleClientEvent_SetSky(ClientEvent *event, CameraOrientation *cam)
3373 {
3374         sky->setVisible(false);
3375         // Whether clouds are visible in front of a custom skybox
3376         sky->setCloudsEnabled(event->set_sky.clouds);
3377
3378         if (skybox) {
3379                 skybox->remove();
3380                 skybox = NULL;
3381         }
3382
3383         // Handle according to type
3384         if (*event->set_sky.type == "regular") {
3385                 sky->setVisible(true);
3386                 sky->setCloudsEnabled(true);
3387         } else if (*event->set_sky.type == "skybox" &&
3388                 event->set_sky.params->size() == 6) {
3389                 sky->setFallbackBgColor(*event->set_sky.bgcolor);
3390                 skybox = RenderingEngine::get_scene_manager()->addSkyBoxSceneNode(
3391                         texture_src->getTextureForMesh((*event->set_sky.params)[0]),
3392                         texture_src->getTextureForMesh((*event->set_sky.params)[1]),
3393                         texture_src->getTextureForMesh((*event->set_sky.params)[2]),
3394                         texture_src->getTextureForMesh((*event->set_sky.params)[3]),
3395                         texture_src->getTextureForMesh((*event->set_sky.params)[4]),
3396                         texture_src->getTextureForMesh((*event->set_sky.params)[5]));
3397         }
3398                 // Handle everything else as plain color
3399         else {
3400                 if (*event->set_sky.type != "plain")
3401                         infostream << "Unknown sky type: "
3402                                 << (*event->set_sky.type) << std::endl;
3403
3404                 sky->setFallbackBgColor(*event->set_sky.bgcolor);
3405         }
3406
3407         delete event->set_sky.bgcolor;
3408         delete event->set_sky.type;
3409         delete event->set_sky.params;
3410 }
3411
3412 void Game::handleClientEvent_OverrideDayNigthRatio(ClientEvent *event,
3413                 CameraOrientation *cam)
3414 {
3415         client->getEnv().setDayNightRatioOverride(
3416                 event->override_day_night_ratio.do_override,
3417                 event->override_day_night_ratio.ratio_f * 1000.0f);
3418 }
3419
3420 void Game::handleClientEvent_CloudParams(ClientEvent *event, CameraOrientation *cam)
3421 {
3422         if (!clouds)
3423                 return;
3424
3425         clouds->setDensity(event->cloud_params.density);
3426         clouds->setColorBright(video::SColor(event->cloud_params.color_bright));
3427         clouds->setColorAmbient(video::SColor(event->cloud_params.color_ambient));
3428         clouds->setHeight(event->cloud_params.height);
3429         clouds->setThickness(event->cloud_params.thickness);
3430         clouds->setSpeed(v2f(event->cloud_params.speed_x, event->cloud_params.speed_y));
3431 }
3432
3433 void Game::processClientEvents(CameraOrientation *cam)
3434 {
3435         while (client->hasClientEvents()) {
3436                 std::unique_ptr<ClientEvent> event(client->getClientEvent());
3437                 FATAL_ERROR_IF(event->type >= CLIENTEVENT_MAX, "Invalid clientevent type");
3438                 const ClientEventHandler& evHandler = clientEventHandler[event->type];
3439                 (this->*evHandler.handler)(event.get(), cam);
3440         }
3441 }
3442
3443 void Game::updateCamera(u32 busy_time, f32 dtime)
3444 {
3445         LocalPlayer *player = client->getEnv().getLocalPlayer();
3446
3447         /*
3448                 For interaction purposes, get info about the held item
3449                 - What item is it?
3450                 - Is it a usable item?
3451                 - Can it point to liquids?
3452         */
3453         ItemStack playeritem;
3454         {
3455                 InventoryList *mlist = local_inventory->getList("main");
3456
3457                 if (mlist && client->getPlayerItem() < mlist->getSize())
3458                         playeritem = mlist->getItem(client->getPlayerItem());
3459         }
3460
3461         if (playeritem.getDefinition(itemdef_manager).name.empty()) { // override the hand
3462                 InventoryList *hlist = local_inventory->getList("hand");
3463                 if (hlist)
3464                         playeritem = hlist->getItem(0);
3465         }
3466
3467
3468         ToolCapabilities playeritem_toolcap =
3469                 playeritem.getToolCapabilities(itemdef_manager);
3470
3471         v3s16 old_camera_offset = camera->getOffset();
3472
3473         if (wasKeyDown(KeyType::CAMERA_MODE)) {
3474                 GenericCAO *playercao = player->getCAO();
3475
3476                 // If playercao not loaded, don't change camera
3477                 if (!playercao)
3478                         return;
3479
3480                 camera->toggleCameraMode();
3481
3482                 playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3483                 playercao->setChildrenVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3484         }
3485
3486         float full_punch_interval = playeritem_toolcap.full_punch_interval;
3487         float tool_reload_ratio = runData.time_from_last_punch / full_punch_interval;
3488
3489         tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
3490         camera->update(player, dtime, busy_time / 1000.0f, tool_reload_ratio);
3491         camera->step(dtime);
3492
3493         v3f camera_position = camera->getPosition();
3494         v3f camera_direction = camera->getDirection();
3495         f32 camera_fov = camera->getFovMax();
3496         v3s16 camera_offset = camera->getOffset();
3497
3498         m_camera_offset_changed = (camera_offset != old_camera_offset);
3499
3500         if (!flags.disable_camera_update) {
3501                 client->getEnv().getClientMap().updateCamera(camera_position,
3502                                 camera_direction, camera_fov, camera_offset);
3503
3504                 if (m_camera_offset_changed) {
3505                         client->updateCameraOffset(camera_offset);
3506                         client->getEnv().updateCameraOffset(camera_offset);
3507
3508                         if (clouds)
3509                                 clouds->updateCameraOffset(camera_offset);
3510                 }
3511         }
3512 }
3513
3514
3515 void Game::updateSound(f32 dtime)
3516 {
3517         // Update sound listener
3518         v3s16 camera_offset = camera->getOffset();
3519         sound->updateListener(camera->getCameraNode()->getPosition() + intToFloat(camera_offset, BS),
3520                               v3f(0, 0, 0), // velocity
3521                               camera->getDirection(),
3522                               camera->getCameraNode()->getUpVector());
3523
3524         // Check if volume is in the proper range, else fix it.
3525         float old_volume = g_settings->getFloat("sound_volume");
3526         float new_volume = rangelim(old_volume, 0.0f, 1.0f);
3527         sound->setListenerGain(new_volume);
3528
3529         if (old_volume != new_volume) {
3530                 g_settings->setFloat("sound_volume", new_volume);
3531         }
3532
3533         LocalPlayer *player = client->getEnv().getLocalPlayer();
3534
3535         // Tell the sound maker whether to make footstep sounds
3536         soundmaker->makes_footstep_sound = player->makes_footstep_sound;
3537
3538         //      Update sound maker
3539         if (player->makes_footstep_sound)
3540                 soundmaker->step(dtime);
3541
3542         ClientMap &map = client->getEnv().getClientMap();
3543         MapNode n = map.getNodeNoEx(player->getFootstepNodePos());
3544         soundmaker->m_player_step_sound = nodedef_manager->get(n).sound_footstep;
3545 }
3546
3547
3548 void Game::processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug)
3549 {
3550         LocalPlayer *player = client->getEnv().getLocalPlayer();
3551
3552         ItemStack playeritem;
3553         {
3554                 InventoryList *mlist = local_inventory->getList("main");
3555
3556                 if (mlist && client->getPlayerItem() < mlist->getSize())
3557                         playeritem = mlist->getItem(client->getPlayerItem());
3558         }
3559
3560         const ItemDefinition &playeritem_def =
3561                         playeritem.getDefinition(itemdef_manager);
3562         InventoryList *hlist = local_inventory->getList("hand");
3563         const ItemDefinition &hand_def =
3564                 hlist ? hlist->getItem(0).getDefinition(itemdef_manager) : itemdef_manager->get("");
3565
3566         v3f player_position  = player->getPosition();
3567         v3f camera_position  = camera->getPosition();
3568         v3f camera_direction = camera->getDirection();
3569         v3s16 camera_offset  = camera->getOffset();
3570
3571
3572         /*
3573                 Calculate what block is the crosshair pointing to
3574         */
3575
3576         f32 d = playeritem_def.range; // max. distance
3577         f32 d_hand = hand_def.range;
3578
3579         if (d < 0 && d_hand >= 0)
3580                 d = d_hand;
3581         else if (d < 0)
3582                 d = 4.0;
3583
3584         core::line3d<f32> shootline;
3585
3586         if (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT) {
3587                 shootline = core::line3d<f32>(camera_position,
3588                         camera_position + camera_direction * BS * d);
3589         } else {
3590             // prevent player pointing anything in front-view
3591                 shootline = core::line3d<f32>(camera_position,camera_position);
3592         }
3593
3594 #ifdef HAVE_TOUCHSCREENGUI
3595
3596         if ((g_settings->getBool("touchtarget")) && (g_touchscreengui)) {
3597                 shootline = g_touchscreengui->getShootline();
3598                 // Scale shootline to the acual distance the player can reach
3599                 shootline.end = shootline.start
3600                         + shootline.getVector().normalize() * BS * d;
3601                 shootline.start += intToFloat(camera_offset, BS);
3602                 shootline.end += intToFloat(camera_offset, BS);
3603         }
3604
3605 #endif
3606
3607         PointedThing pointed = updatePointedThing(shootline,
3608                         playeritem_def.liquids_pointable,
3609                         !runData.ldown_for_dig,
3610                         camera_offset);
3611
3612         if (pointed != runData.pointed_old) {
3613                 infostream << "Pointing at " << pointed.dump() << std::endl;
3614                 hud->updateSelectionMesh(camera_offset);
3615         }
3616
3617         if (runData.digging_blocked && !isLeftPressed()) {
3618                 // allow digging again if button is not pressed
3619                 runData.digging_blocked = false;
3620         }
3621
3622         /*
3623                 Stop digging when
3624                 - releasing left mouse button
3625                 - pointing away from node
3626         */
3627         if (runData.digging) {
3628                 if (getLeftReleased()) {
3629                         infostream << "Left button released"
3630                                    << " (stopped digging)" << std::endl;
3631                         runData.digging = false;
3632                 } else if (pointed != runData.pointed_old) {
3633                         if (pointed.type == POINTEDTHING_NODE
3634                                         && runData.pointed_old.type == POINTEDTHING_NODE
3635                                         && pointed.node_undersurface
3636                                                         == runData.pointed_old.node_undersurface) {
3637                                 // Still pointing to the same node, but a different face.
3638                                 // Don't reset.
3639                         } else {
3640                                 infostream << "Pointing away from node"
3641                                            << " (stopped digging)" << std::endl;
3642                                 runData.digging = false;
3643                                 hud->updateSelectionMesh(camera_offset);
3644                         }
3645                 }
3646
3647                 if (!runData.digging) {
3648                         client->interact(1, runData.pointed_old);
3649                         client->setCrack(-1, v3s16(0, 0, 0));
3650                         runData.dig_time = 0.0;
3651                 }
3652         } else if (runData.dig_instantly && getLeftReleased()) {
3653                 // Remove e.g. torches faster when clicking instead of holding LMB
3654                 runData.nodig_delay_timer = 0;
3655                 runData.dig_instantly = false;
3656         }
3657
3658         if (!runData.digging && runData.ldown_for_dig && !isLeftPressed()) {
3659                 runData.ldown_for_dig = false;
3660         }
3661
3662         runData.left_punch = false;
3663
3664         soundmaker->m_player_leftpunch_sound.name = "";
3665
3666         // Prepare for repeating, unless we're not supposed to
3667         if (isRightPressed() && !g_settings->getBool("safe_dig_and_place"))
3668                 runData.repeat_rightclick_timer += dtime;
3669         else
3670                 runData.repeat_rightclick_timer = 0;
3671
3672         if (playeritem_def.usable && isLeftPressed()) {
3673                 if (getLeftClicked() && (!client->moddingEnabled()
3674                                 || !client->getScript()->on_item_use(playeritem, pointed)))
3675                         client->interact(4, pointed);
3676         } else if (pointed.type == POINTEDTHING_NODE) {
3677                 ToolCapabilities playeritem_toolcap =
3678                                 playeritem.getToolCapabilities(itemdef_manager);
3679                 if (playeritem.name.empty() && hand_def.tool_capabilities != NULL) {
3680                         playeritem_toolcap = *hand_def.tool_capabilities;
3681                 }
3682                 handlePointingAtNode(pointed, playeritem_def, playeritem,
3683                         playeritem_toolcap, dtime);
3684         } else if (pointed.type == POINTEDTHING_OBJECT) {
3685                 handlePointingAtObject(pointed, playeritem, player_position, show_debug);
3686         } else if (isLeftPressed()) {
3687                 // When button is held down in air, show continuous animation
3688                 runData.left_punch = true;
3689         } else if (getRightClicked()) {
3690                 handlePointingAtNothing(playeritem);
3691         }
3692
3693         runData.pointed_old = pointed;
3694
3695         if (runData.left_punch || getLeftClicked())
3696                 camera->setDigging(0); // left click animation
3697
3698         input->resetLeftClicked();
3699         input->resetRightClicked();
3700
3701         input->joystick.clearWasKeyDown(KeyType::MOUSE_L);
3702         input->joystick.clearWasKeyDown(KeyType::MOUSE_R);
3703
3704         input->resetLeftReleased();
3705         input->resetRightReleased();
3706
3707         input->joystick.clearWasKeyReleased(KeyType::MOUSE_L);
3708         input->joystick.clearWasKeyReleased(KeyType::MOUSE_R);
3709 }
3710
3711
3712 PointedThing Game::updatePointedThing(
3713         const core::line3d<f32> &shootline,
3714         bool liquids_pointable,
3715         bool look_for_object,
3716         const v3s16 &camera_offset)
3717 {
3718         std::vector<aabb3f> *selectionboxes = hud->getSelectionBoxes();
3719         selectionboxes->clear();
3720         hud->setSelectedFaceNormal(v3f(0.0, 0.0, 0.0));
3721         static thread_local const bool show_entity_selectionbox = g_settings->getBool(
3722                 "show_entity_selectionbox");
3723
3724         ClientEnvironment &env = client->getEnv();
3725         ClientMap &map = env.getClientMap();
3726         INodeDefManager *nodedef = map.getNodeDefManager();
3727
3728         runData.selected_object = NULL;
3729
3730         RaycastState s(shootline, look_for_object, liquids_pointable);
3731         PointedThing result;
3732         env.continueRaycast(&s, &result);
3733         if (result.type == POINTEDTHING_OBJECT) {
3734                 runData.selected_object = client->getEnv().getActiveObject(result.object_id);
3735                 aabb3f selection_box;
3736                 if (show_entity_selectionbox && runData.selected_object->doShowSelectionBox() &&
3737                                 runData.selected_object->getSelectionBox(&selection_box)) {
3738                         v3f pos = runData.selected_object->getPosition();
3739                         selectionboxes->push_back(aabb3f(selection_box));
3740                         hud->setSelectionPos(pos, camera_offset);
3741                 }
3742         } else if (result.type == POINTEDTHING_NODE) {
3743                 // Update selection boxes
3744                 MapNode n = map.getNodeNoEx(result.node_undersurface);
3745                 std::vector<aabb3f> boxes;
3746                 n.getSelectionBoxes(nodedef, &boxes,
3747                         n.getNeighbors(result.node_undersurface, &map));
3748
3749                 f32 d = 0.002 * BS;
3750                 for (std::vector<aabb3f>::const_iterator i = boxes.begin();
3751                         i != boxes.end(); ++i) {
3752                         aabb3f box = *i;
3753                         box.MinEdge -= v3f(d, d, d);
3754                         box.MaxEdge += v3f(d, d, d);
3755                         selectionboxes->push_back(box);
3756                 }
3757                 hud->setSelectionPos(intToFloat(result.node_undersurface, BS),
3758                         camera_offset);
3759                 hud->setSelectedFaceNormal(v3f(
3760                         result.intersection_normal.X,
3761                         result.intersection_normal.Y,
3762                         result.intersection_normal.Z));
3763         }
3764
3765         // Update selection mesh light level and vertex colors
3766         if (!selectionboxes->empty()) {
3767                 v3f pf = hud->getSelectionPos();
3768                 v3s16 p = floatToInt(pf, BS);
3769
3770                 // Get selection mesh light level
3771                 MapNode n = map.getNodeNoEx(p);
3772                 u16 node_light = getInteriorLight(n, -1, nodedef);
3773                 u16 light_level = node_light;
3774
3775                 for (const v3s16 &dir : g_6dirs) {
3776                         n = map.getNodeNoEx(p + dir);
3777                         node_light = getInteriorLight(n, -1, nodedef);
3778                         if (node_light > light_level)
3779                                 light_level = node_light;
3780                 }
3781
3782                 u32 daynight_ratio = client->getEnv().getDayNightRatio();
3783                 video::SColor c;
3784                 final_color_blend(&c, light_level, daynight_ratio);
3785
3786                 // Modify final color a bit with time
3787                 u32 timer = porting::getTimeMs() % 5000;
3788                 float timerf = (float) (irr::core::PI * ((timer / 2500.0) - 0.5));
3789                 float sin_r = 0.08 * sin(timerf);
3790                 float sin_g = 0.08 * sin(timerf + irr::core::PI * 0.5);
3791                 float sin_b = 0.08 * sin(timerf + irr::core::PI);
3792                 c.setRed(core::clamp(core::round32(c.getRed() * (0.8 + sin_r)), 0, 255));
3793                 c.setGreen(core::clamp(core::round32(c.getGreen() * (0.8 + sin_g)), 0, 255));
3794                 c.setBlue(core::clamp(core::round32(c.getBlue() * (0.8 + sin_b)), 0, 255));
3795
3796                 // Set mesh final color
3797                 hud->setSelectionMeshColor(c);
3798         }
3799         return result;
3800 }
3801
3802
3803 void Game::handlePointingAtNothing(const ItemStack &playerItem)
3804 {
3805         infostream << "Right Clicked in Air" << std::endl;
3806         PointedThing fauxPointed;
3807         fauxPointed.type = POINTEDTHING_NOTHING;
3808         client->interact(5, fauxPointed);
3809 }
3810
3811
3812 void Game::handlePointingAtNode(const PointedThing &pointed,
3813         const ItemDefinition &playeritem_def, const ItemStack &playeritem,
3814         const ToolCapabilities &playeritem_toolcap, f32 dtime)
3815 {
3816         v3s16 nodepos = pointed.node_undersurface;
3817         v3s16 neighbourpos = pointed.node_abovesurface;
3818
3819         /*
3820                 Check information text of node
3821         */
3822
3823         ClientMap &map = client->getEnv().getClientMap();
3824
3825         if (runData.nodig_delay_timer <= 0.0 && isLeftPressed()
3826                         && !runData.digging_blocked
3827                         && client->checkPrivilege("interact")) {
3828                 handleDigging(pointed, nodepos, playeritem_toolcap, dtime);
3829         }
3830
3831         // This should be done after digging handling
3832         NodeMetadata *meta = map.getNodeMetadata(nodepos);
3833
3834         if (meta) {
3835                 infotext = unescape_translate(utf8_to_wide(meta->getString("infotext")));
3836         } else {
3837                 MapNode n = map.getNodeNoEx(nodepos);
3838
3839                 if (nodedef_manager->get(n).tiledef[0].name == "unknown_node.png") {
3840                         infotext = L"Unknown node: ";
3841                         infotext += utf8_to_wide(nodedef_manager->get(n).name);
3842                 }
3843         }
3844
3845         if ((getRightClicked() ||
3846                         runData.repeat_rightclick_timer >= m_repeat_right_click_time) &&
3847                         client->checkPrivilege("interact")) {
3848                 runData.repeat_rightclick_timer = 0;
3849                 infostream << "Ground right-clicked" << std::endl;
3850
3851                 if (meta && !meta->getString("formspec").empty() && !random_input
3852                                 && !isKeyDown(KeyType::SNEAK)) {
3853                         // Report right click to server
3854                         if (nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable) {
3855                                 client->interact(3, pointed);
3856                         }
3857
3858                         infostream << "Launching custom inventory view" << std::endl;
3859
3860                         InventoryLocation inventoryloc;
3861                         inventoryloc.setNodeMeta(nodepos);
3862
3863                         NodeMetadataFormSource *fs_src = new NodeMetadataFormSource(
3864                                 &client->getEnv().getClientMap(), nodepos);
3865                         TextDest *txt_dst = new TextDestNodeMetadata(nodepos, client);
3866
3867                         create_formspec_menu(&current_formspec, client,
3868                                 &input->joystick, fs_src, txt_dst);
3869                         cur_formname = "";
3870
3871                         current_formspec->setFormSpec(meta->getString("formspec"), inventoryloc);
3872                 } else {
3873                         // Report right click to server
3874
3875                         camera->setDigging(1);  // right click animation (always shown for feedback)
3876
3877                         // If the wielded item has node placement prediction,
3878                         // make that happen
3879                         bool placed = nodePlacementPrediction(*client,
3880                                         playeritem_def, playeritem,
3881                                         nodepos, neighbourpos);
3882
3883                         if (placed) {
3884                                 // Report to server
3885                                 client->interact(3, pointed);
3886                                 // Read the sound
3887                                 soundmaker->m_player_rightpunch_sound =
3888                                                 playeritem_def.sound_place;
3889
3890                                 if (client->moddingEnabled())
3891                                         client->getScript()->on_placenode(pointed, playeritem_def);
3892                         } else {
3893                                 soundmaker->m_player_rightpunch_sound =
3894                                                 SimpleSoundSpec();
3895
3896                                 if (playeritem_def.node_placement_prediction.empty() ||
3897                                                 nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable) {
3898                                         client->interact(3, pointed); // Report to server
3899                                 } else {
3900                                         soundmaker->m_player_rightpunch_sound =
3901                                                 playeritem_def.sound_place_failed;
3902                                 }
3903                         }
3904                 }
3905         }
3906 }
3907
3908
3909 void Game::handlePointingAtObject(const PointedThing &pointed, const ItemStack &playeritem,
3910                 const v3f &player_position, bool show_debug)
3911 {
3912         infotext = unescape_translate(
3913                 utf8_to_wide(runData.selected_object->infoText()));
3914
3915         if (show_debug) {
3916                 if (!infotext.empty()) {
3917                         infotext += L"\n";
3918                 }
3919                 infotext += utf8_to_wide(runData.selected_object->debugInfoText());
3920         }
3921
3922         if (isLeftPressed()) {
3923                 bool do_punch = false;
3924                 bool do_punch_damage = false;
3925
3926                 if (runData.object_hit_delay_timer <= 0.0) {
3927                         do_punch = true;
3928                         do_punch_damage = true;
3929                         runData.object_hit_delay_timer = object_hit_delay;
3930                 }
3931
3932                 if (getLeftClicked())
3933                         do_punch = true;
3934
3935                 if (do_punch) {
3936                         infostream << "Left-clicked object" << std::endl;
3937                         runData.left_punch = true;
3938                 }
3939
3940                 if (do_punch_damage) {
3941                         // Report direct punch
3942                         v3f objpos = runData.selected_object->getPosition();
3943                         v3f dir = (objpos - player_position).normalize();
3944                         ItemStack item = playeritem;
3945                         if (playeritem.name.empty()) {
3946                                 InventoryList *hlist = local_inventory->getList("hand");
3947                                 if (hlist) {
3948                                         item = hlist->getItem(0);
3949                                 }
3950                         }
3951
3952                         bool disable_send = runData.selected_object->directReportPunch(
3953                                         dir, &item, runData.time_from_last_punch);
3954                         runData.time_from_last_punch = 0;
3955
3956                         if (!disable_send)
3957                                 client->interact(0, pointed);
3958                 }
3959         } else if (getRightClicked()) {
3960                 infostream << "Right-clicked object" << std::endl;
3961                 client->interact(3, pointed);  // place
3962         }
3963 }
3964
3965
3966 void Game::handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
3967                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3968 {
3969         LocalPlayer *player = client->getEnv().getLocalPlayer();
3970         ClientMap &map = client->getEnv().getClientMap();
3971         MapNode n = client->getEnv().getClientMap().getNodeNoEx(nodepos);
3972
3973         // NOTE: Similar piece of code exists on the server side for
3974         // cheat detection.
3975         // Get digging parameters
3976         DigParams params = getDigParams(nodedef_manager->get(n).groups,
3977                         &playeritem_toolcap);
3978
3979         // If can't dig, try hand
3980         if (!params.diggable) {
3981                 InventoryList *hlist = local_inventory->getList("hand");
3982                 const ItemDefinition &hand =
3983                         hlist ? hlist->getItem(0).getDefinition(itemdef_manager) : itemdef_manager->get("");
3984                 const ToolCapabilities *tp = hand.tool_capabilities;
3985
3986                 if (tp)
3987                         params = getDigParams(nodedef_manager->get(n).groups, tp);
3988         }
3989
3990         if (!params.diggable) {
3991                 // I guess nobody will wait for this long
3992                 runData.dig_time_complete = 10000000.0;
3993         } else {
3994                 runData.dig_time_complete = params.time;
3995
3996                 if (m_cache_enable_particles) {
3997                         const ContentFeatures &features = client->getNodeDefManager()->get(n);
3998                         client->getParticleManager()->addPunchingParticles(client,
3999                                         player, nodepos, n, features);
4000                 }
4001         }
4002
4003         if (!runData.digging) {
4004                 infostream << "Started digging" << std::endl;
4005                 runData.dig_instantly = runData.dig_time_complete == 0;
4006                 if (client->moddingEnabled() && client->getScript()->on_punchnode(nodepos, n))
4007                         return;
4008                 client->interact(0, pointed);
4009                 runData.digging = true;
4010                 runData.ldown_for_dig = true;
4011         }
4012
4013         if (!runData.dig_instantly) {
4014                 runData.dig_index = (float)crack_animation_length
4015                                 * runData.dig_time
4016                                 / runData.dig_time_complete;
4017         } else {
4018                 // This is for e.g. torches
4019                 runData.dig_index = crack_animation_length;
4020         }
4021
4022         SimpleSoundSpec sound_dig = nodedef_manager->get(n).sound_dig;
4023
4024         if (sound_dig.exists() && params.diggable) {
4025                 if (sound_dig.name == "__group") {
4026                         if (!params.main_group.empty()) {
4027                                 soundmaker->m_player_leftpunch_sound.gain = 0.5;
4028                                 soundmaker->m_player_leftpunch_sound.name =
4029                                                 std::string("default_dig_") +
4030                                                 params.main_group;
4031                         }
4032                 } else {
4033                         soundmaker->m_player_leftpunch_sound = sound_dig;
4034                 }
4035         }
4036
4037         // Don't show cracks if not diggable
4038         if (runData.dig_time_complete >= 100000.0) {
4039         } else if (runData.dig_index < crack_animation_length) {
4040                 //TimeTaker timer("client.setTempMod");
4041                 //infostream<<"dig_index="<<dig_index<<std::endl;
4042                 client->setCrack(runData.dig_index, nodepos);
4043         } else {
4044                 infostream << "Digging completed" << std::endl;
4045                 client->setCrack(-1, v3s16(0, 0, 0));
4046
4047                 runData.dig_time = 0;
4048                 runData.digging = false;
4049                 // we successfully dug, now block it from repeating if we want to be safe
4050                 if (g_settings->getBool("safe_dig_and_place"))
4051                         runData.digging_blocked = true;
4052
4053                 runData.nodig_delay_timer =
4054                                 runData.dig_time_complete / (float)crack_animation_length;
4055
4056                 // We don't want a corresponding delay to very time consuming nodes
4057                 // and nodes without digging time (e.g. torches) get a fixed delay.
4058                 if (runData.nodig_delay_timer > 0.3)
4059                         runData.nodig_delay_timer = 0.3;
4060                 else if (runData.dig_instantly)
4061                         runData.nodig_delay_timer = 0.15;
4062
4063                 bool is_valid_position;
4064                 MapNode wasnode = map.getNodeNoEx(nodepos, &is_valid_position);
4065                 if (is_valid_position) {
4066                         if (client->moddingEnabled() &&
4067                                         client->getScript()->on_dignode(nodepos, wasnode)) {
4068                                 return;
4069                         }
4070                         client->removeNode(nodepos);
4071                 }
4072
4073                 client->interact(2, pointed);
4074
4075                 if (m_cache_enable_particles) {
4076                         const ContentFeatures &features =
4077                                 client->getNodeDefManager()->get(wasnode);
4078                         client->getParticleManager()->addDiggingParticles(client,
4079                                 player, nodepos, wasnode, features);
4080                 }
4081
4082
4083                 // Send event to trigger sound
4084                 MtEvent *e = new NodeDugEvent(nodepos, wasnode);
4085                 client->event()->put(e);
4086         }
4087
4088         if (runData.dig_time_complete < 100000.0) {
4089                 runData.dig_time += dtime;
4090         } else {
4091                 runData.dig_time = 0;
4092                 client->setCrack(-1, nodepos);
4093         }
4094
4095         camera->setDigging(0);  // left click animation
4096 }
4097
4098
4099 void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
4100                 const CameraOrientation &cam)
4101 {
4102         LocalPlayer *player = client->getEnv().getLocalPlayer();
4103
4104         /*
4105                 Fog range
4106         */
4107
4108         if (draw_control->range_all) {
4109                 runData.fog_range = 100000 * BS;
4110         } else {
4111                 runData.fog_range = draw_control->wanted_range * BS;
4112         }
4113
4114         /*
4115                 Calculate general brightness
4116         */
4117         u32 daynight_ratio = client->getEnv().getDayNightRatio();
4118         float time_brightness = decode_light_f((float)daynight_ratio / 1000.0);
4119         float direct_brightness;
4120         bool sunlight_seen;
4121
4122         if (m_cache_enable_noclip && m_cache_enable_free_move) {
4123                 direct_brightness = time_brightness;
4124                 sunlight_seen = true;
4125         } else {
4126                 ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
4127                 float old_brightness = sky->getBrightness();
4128                 direct_brightness = client->getEnv().getClientMap()
4129                                 .getBackgroundBrightness(MYMIN(runData.fog_range * 1.2, 60 * BS),
4130                                         daynight_ratio, (int)(old_brightness * 255.5), &sunlight_seen)
4131                                     / 255.0;
4132         }
4133
4134         float time_of_day_smooth = runData.time_of_day_smooth;
4135         float time_of_day = client->getEnv().getTimeOfDayF();
4136
4137         static const float maxsm = 0.05;
4138         static const float todsm = 0.05;
4139
4140         if (fabs(time_of_day - time_of_day_smooth) > maxsm &&
4141                         fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
4142                         fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
4143                 time_of_day_smooth = time_of_day;
4144
4145         if (time_of_day_smooth > 0.8 && time_of_day < 0.2)
4146                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
4147                                 + (time_of_day + 1.0) * todsm;
4148         else
4149                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
4150                                 + time_of_day * todsm;
4151
4152         runData.time_of_day = time_of_day;
4153         runData.time_of_day_smooth = time_of_day_smooth;
4154
4155         sky->update(time_of_day_smooth, time_brightness, direct_brightness,
4156                         sunlight_seen, camera->getCameraMode(), player->getYaw(),
4157                         player->getPitch());
4158
4159         /*
4160                 Update clouds
4161         */
4162         if (clouds) {
4163                 if (sky->getCloudsVisible()) {
4164                         clouds->setVisible(true);
4165                         clouds->step(dtime);
4166                         // camera->getPosition is not enough for 3rd person views
4167                         v3f camera_node_position = camera->getCameraNode()->getPosition();
4168                         v3s16 camera_offset      = camera->getOffset();
4169                         camera_node_position.X   = camera_node_position.X + camera_offset.X * BS;
4170                         camera_node_position.Y   = camera_node_position.Y + camera_offset.Y * BS;
4171                         camera_node_position.Z   = camera_node_position.Z + camera_offset.Z * BS;
4172                         clouds->update(camera_node_position,
4173                                         sky->getCloudColor());
4174                         if (clouds->isCameraInsideCloud() && m_cache_enable_fog &&
4175                                         !flags.force_fog_off) {
4176                                 // if inside clouds, and fog enabled, use that as sky
4177                                 // color(s)
4178                                 video::SColor clouds_dark = clouds->getColor()
4179                                                 .getInterpolated(video::SColor(255, 0, 0, 0), 0.9);
4180                                 sky->overrideColors(clouds_dark, clouds->getColor());
4181                                 sky->setBodiesVisible(false);
4182                                 runData.fog_range = std::fmin(runData.fog_range * 0.5f, 32.0f * BS);
4183                                 // do not draw clouds after all
4184                                 clouds->setVisible(false);
4185                         }
4186                 } else {
4187                         clouds->setVisible(false);
4188                 }
4189         }
4190
4191         /*
4192                 Update particles
4193         */
4194         client->getParticleManager()->step(dtime);
4195
4196         /*
4197                 Fog
4198         */
4199
4200         if (m_cache_enable_fog && !flags.force_fog_off) {
4201                 driver->setFog(
4202                                 sky->getBgColor(),
4203                                 video::EFT_FOG_LINEAR,
4204                                 runData.fog_range * m_cache_fog_start,
4205                                 runData.fog_range * 1.0,
4206                                 0.01,
4207                                 false, // pixel fog
4208                                 true // range fog
4209                 );
4210         } else {
4211                 driver->setFog(
4212                                 sky->getBgColor(),
4213                                 video::EFT_FOG_LINEAR,
4214                                 100000 * BS,
4215                                 110000 * BS,
4216                                 0.01,
4217                                 false, // pixel fog
4218                                 false // range fog
4219                 );
4220         }
4221
4222         /*
4223                 Get chat messages from client
4224         */
4225
4226         v2u32 screensize = driver->getScreenSize();
4227
4228         updateChat(*client, dtime, flags.show_debug, screensize,
4229                         flags.show_chat, runData.profiler_current_page,
4230                         *chat_backend, guitext_chat);
4231
4232         /*
4233                 Inventory
4234         */
4235
4236         if (client->getPlayerItem() != runData.new_playeritem)
4237                 client->selectPlayerItem(runData.new_playeritem);
4238
4239         // Update local inventory if it has changed
4240         if (client->getLocalInventoryUpdated()) {
4241                 //infostream<<"Updating local inventory"<<std::endl;
4242                 client->getLocalInventory(*local_inventory);
4243                 runData.update_wielded_item_trigger = true;
4244         }
4245
4246         if (runData.update_wielded_item_trigger) {
4247                 // Update wielded tool
4248                 InventoryList *mlist = local_inventory->getList("main");
4249
4250                 if (mlist && (client->getPlayerItem() < mlist->getSize())) {
4251                         ItemStack item = mlist->getItem(client->getPlayerItem());
4252                         if (item.getDefinition(itemdef_manager).name.empty()) { // override the hand
4253                                 InventoryList *hlist = local_inventory->getList("hand");
4254                                 if (hlist)
4255                                         item = hlist->getItem(0);
4256                         }
4257                         camera->wield(item);
4258                 }
4259
4260                 runData.update_wielded_item_trigger = false;
4261         }
4262
4263         /*
4264                 Update block draw list every 200ms or when camera direction has
4265                 changed much
4266         */
4267         runData.update_draw_list_timer += dtime;
4268
4269         v3f camera_direction = camera->getDirection();
4270         if (runData.update_draw_list_timer >= 0.2
4271                         || runData.update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2
4272                         || m_camera_offset_changed) {
4273                 runData.update_draw_list_timer = 0;
4274                 client->getEnv().getClientMap().updateDrawList();
4275                 runData.update_draw_list_last_cam_dir = camera_direction;
4276         }
4277
4278         updateGui(*stats, dtime, cam);
4279
4280         /*
4281            make sure menu is on top
4282            1. Delete formspec menu reference if menu was removed
4283            2. Else, make sure formspec menu is on top
4284         */
4285         if (current_formspec) {
4286                 if (current_formspec->getReferenceCount() == 1) {
4287                         current_formspec->drop();
4288                         current_formspec = NULL;
4289                 } else if (isMenuActive()) {
4290                         guiroot->bringToFront(current_formspec);
4291                 }
4292         }
4293
4294         /*
4295                 Drawing begins
4296         */
4297         const video::SColor &skycolor = sky->getSkyColor();
4298
4299         TimeTaker tt_draw("mainloop: draw");
4300         driver->beginScene(true, true, skycolor);
4301
4302         RenderingEngine::draw_scene(camera, client, player, hud, mapper,
4303                         guienv, screensize, skycolor, flags.show_hud,
4304                         flags.show_minimap);
4305
4306         /*
4307                 Profiler graph
4308         */
4309         if (flags.show_profiler_graph)
4310                 graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
4311
4312         /*
4313                 Damage flash
4314         */
4315         if (runData.damage_flash > 0.0) {
4316                 video::SColor color(runData.damage_flash, 180, 0, 0);
4317                 driver->draw2DRectangle(color,
4318                                         core::rect<s32>(0, 0, screensize.X, screensize.Y),
4319                                         NULL);
4320
4321                 runData.damage_flash -= 100.0 * dtime;
4322         }
4323
4324         /*
4325                 Damage camera tilt
4326         */
4327         if (player->hurt_tilt_timer > 0.0) {
4328                 player->hurt_tilt_timer -= dtime * 5;
4329
4330                 if (player->hurt_tilt_timer < 0)
4331                         player->hurt_tilt_strength = 0;
4332         }
4333
4334         /*
4335                 Update minimap pos and rotation
4336         */
4337         if (mapper && flags.show_minimap && flags.show_hud) {
4338                 mapper->setPos(floatToInt(player->getPosition(), BS));
4339                 mapper->setAngle(player->getYaw());
4340         }
4341
4342         /*
4343                 End scene
4344         */
4345         driver->endScene();
4346
4347         stats->drawtime = tt_draw.stop(true);
4348         g_profiler->graphAdd("mainloop_draw", stats->drawtime / 1000.0f);
4349 }
4350
4351
4352 inline static const char *yawToDirectionString(int yaw)
4353 {
4354         static const char *direction[4] = {"North [+Z]", "West [-X]", "South [-Z]", "East [+X]"};
4355
4356         yaw = wrapDegrees_0_360(yaw);
4357         yaw = (yaw + 45) % 360 / 90;
4358
4359         return direction[yaw];
4360 }
4361
4362
4363 void Game::updateGui(const RunStats &stats, f32 dtime, const CameraOrientation &cam)
4364 {
4365         v2u32 screensize = driver->getScreenSize();
4366         LocalPlayer *player = client->getEnv().getLocalPlayer();
4367         v3f player_position = player->getPosition();
4368
4369         if (flags.show_debug) {
4370                 static float drawtime_avg = 0;
4371                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
4372                 u16 fps = 1.0 / stats.dtime_jitter.avg;
4373
4374                 std::ostringstream os(std::ios_base::binary);
4375                 os << std::fixed
4376                    << PROJECT_NAME_C " " << g_version_hash
4377                    << ", FPS = " << fps
4378                    << ", range_all = " << draw_control->range_all
4379                    << std::setprecision(0)
4380                    << ", drawtime = " << drawtime_avg << " ms"
4381                    << std::setprecision(1)
4382                    << ", dtime_jitter = "
4383                    << (stats.dtime_jitter.max_fraction * 100.0) << " %"
4384                    << std::setprecision(1)
4385                    << ", view_range = " << draw_control->wanted_range
4386                    << std::setprecision(3)
4387                    << ", RTT = " << client->getRTT() << " s";
4388                 setStaticText(guitext, utf8_to_wide(os.str()).c_str());
4389                 guitext->setVisible(true);
4390         } else {
4391                 guitext->setVisible(false);
4392         }
4393
4394         if (guitext->isVisible()) {
4395                 core::rect<s32> rect(
4396                                 5,              5,
4397                                 screensize.X,   5 + g_fontengine->getTextHeight()
4398                 );
4399                 guitext->setRelativePosition(rect);
4400         }
4401
4402         if (flags.show_debug) {
4403                 std::ostringstream os(std::ios_base::binary);
4404                 os << std::setprecision(1) << std::fixed
4405                    << "pos = (" << (player_position.X / BS)
4406                    << ", " << (player_position.Y / BS)
4407                    << ", " << (player_position.Z / BS)
4408                    << "), yaw = " << (wrapDegrees_0_360(cam.camera_yaw)) << "°"
4409                    << " " << yawToDirectionString(cam.camera_yaw)
4410                    << ", seed = " << ((u64)client->getMapSeed());
4411                 setStaticText(guitext2, utf8_to_wide(os.str()).c_str());
4412                 guitext2->setVisible(true);
4413         } else {
4414                 guitext2->setVisible(false);
4415         }
4416
4417         if (guitext2->isVisible()) {
4418                 core::rect<s32> rect(
4419                                 5,             5 + g_fontengine->getTextHeight(),
4420                                 screensize.X,  5 + g_fontengine->getTextHeight() * 2
4421                 );
4422                 guitext2->setRelativePosition(rect);
4423         }
4424
4425         if (flags.show_debug && runData.pointed_old.type == POINTEDTHING_NODE) {
4426                 ClientMap &map = client->getEnv().getClientMap();
4427                 const INodeDefManager *nodedef = client->getNodeDefManager();
4428                 MapNode n = map.getNodeNoEx(runData.pointed_old.node_undersurface);
4429
4430                 if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
4431                         std::ostringstream os(std::ios_base::binary);
4432                         os << "pointing_at = (" << nodedef->get(n).name
4433                            << ", param2 = " << (u64) n.getParam2()
4434                            << ")";
4435                         setStaticText(guitext3, utf8_to_wide(os.str()).c_str());
4436                         guitext3->setVisible(true);
4437                 } else {
4438                         guitext3->setVisible(false);
4439                 }
4440         } else {
4441                 guitext3->setVisible(false);
4442         }
4443
4444         if (guitext3->isVisible()) {
4445                 core::rect<s32> rect(
4446                                 5,             5 + g_fontengine->getTextHeight() * 2,
4447                                 screensize.X,  5 + g_fontengine->getTextHeight() * 3
4448                 );
4449                 guitext3->setRelativePosition(rect);
4450         }
4451
4452         setStaticText(guitext_info, translate_string(infotext).c_str());
4453         guitext_info->setVisible(flags.show_hud && g_menumgr.menuCount() == 0);
4454
4455         float statustext_time_max = 1.5;
4456
4457         if (!m_statustext.empty()) {
4458                 runData.statustext_time += dtime;
4459
4460                 if (runData.statustext_time >= statustext_time_max) {
4461                         m_statustext = L"";
4462                         runData.statustext_time = 0;
4463                 }
4464         }
4465
4466         setStaticText(guitext_status, translate_string(m_statustext).c_str());
4467         guitext_status->setVisible(!m_statustext.empty());
4468
4469         if (!m_statustext.empty()) {
4470                 s32 status_width  = guitext_status->getTextWidth();
4471                 s32 status_height = guitext_status->getTextHeight();
4472                 s32 status_y = screensize.Y - 150;
4473                 s32 status_x = (screensize.X - status_width) / 2;
4474                 core::rect<s32> rect(
4475                                 status_x , status_y - status_height,
4476                                 status_x + status_width, status_y
4477                 );
4478                 guitext_status->setRelativePosition(rect);
4479
4480                 // Fade out
4481                 video::SColor initial_color(255, 0, 0, 0);
4482
4483                 if (guienv->getSkin())
4484                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
4485
4486                 video::SColor final_color = initial_color;
4487                 final_color.setAlpha(0);
4488                 video::SColor fade_color = initial_color.getInterpolated_quadratic(
4489                                 initial_color, final_color,
4490                                 pow(runData.statustext_time / statustext_time_max, 2.0f));
4491                 guitext_status->setOverrideColor(fade_color);
4492                 guitext_status->enableOverrideColor(true);
4493         }
4494 }
4495
4496
4497 /* Log times and stuff for visualization */
4498 inline void Game::updateProfilerGraphs(ProfilerGraph *graph)
4499 {
4500         Profiler::GraphValues values;
4501         g_profiler->graphGet(values);
4502         graph->put(values);
4503 }
4504
4505
4506
4507 /****************************************************************************
4508  Misc
4509  ****************************************************************************/
4510
4511 /* On some computers framerate doesn't seem to be automatically limited
4512  */
4513 inline void Game::limitFps(FpsControl *fps_timings, f32 *dtime)
4514 {
4515         // not using getRealTime is necessary for wine
4516         device->getTimer()->tick(); // Maker sure device time is up-to-date
4517         u32 time = device->getTimer()->getTime();
4518         u32 last_time = fps_timings->last_time;
4519
4520         if (time > last_time)  // Make sure time hasn't overflowed
4521                 fps_timings->busy_time = time - last_time;
4522         else
4523                 fps_timings->busy_time = 0;
4524
4525         u32 frametime_min = 1000 / (g_menumgr.pausesGame()
4526                         ? g_settings->getFloat("pause_fps_max")
4527                         : g_settings->getFloat("fps_max"));
4528
4529         if (fps_timings->busy_time < frametime_min) {
4530                 fps_timings->sleep_time = frametime_min - fps_timings->busy_time;
4531                 device->sleep(fps_timings->sleep_time);
4532         } else {
4533                 fps_timings->sleep_time = 0;
4534         }
4535
4536         /* Get the new value of the device timer. Note that device->sleep() may
4537          * not sleep for the entire requested time as sleep may be interrupted and
4538          * therefore it is arguably more accurate to get the new time from the
4539          * device rather than calculating it by adding sleep_time to time.
4540          */
4541
4542         device->getTimer()->tick(); // Update device timer
4543         time = device->getTimer()->getTime();
4544
4545         if (time > last_time)  // Make sure last_time hasn't overflowed
4546                 *dtime = (time - last_time) / 1000.0;
4547         else
4548                 *dtime = 0;
4549
4550         fps_timings->last_time = time;
4551 }
4552
4553 void Game::showOverlayMessage(const char *msg, float dtime, int percent, bool draw_clouds)
4554 {
4555         const wchar_t *wmsg = wgettext(msg);
4556         RenderingEngine::draw_load_screen(wmsg, guienv, texture_src, dtime, percent,
4557                 draw_clouds);
4558         delete[] wmsg;
4559 }
4560
4561 void Game::settingChangedCallback(const std::string &setting_name, void *data)
4562 {
4563         ((Game *)data)->readSettings();
4564 }
4565
4566 void Game::readSettings()
4567 {
4568         m_cache_doubletap_jump               = g_settings->getBool("doubletap_jump");
4569         m_cache_enable_clouds                = g_settings->getBool("enable_clouds");
4570         m_cache_enable_joysticks             = g_settings->getBool("enable_joysticks");
4571         m_cache_enable_particles             = g_settings->getBool("enable_particles");
4572         m_cache_enable_fog                   = g_settings->getBool("enable_fog");
4573         m_cache_mouse_sensitivity            = g_settings->getFloat("mouse_sensitivity");
4574         m_cache_joystick_frustum_sensitivity = g_settings->getFloat("joystick_frustum_sensitivity");
4575         m_repeat_right_click_time            = g_settings->getFloat("repeat_rightclick_time");
4576
4577         m_cache_enable_noclip                = g_settings->getBool("noclip");
4578         m_cache_enable_free_move             = g_settings->getBool("free_move");
4579
4580         m_cache_fog_start                    = g_settings->getFloat("fog_start");
4581
4582         m_cache_cam_smoothing = 0;
4583         if (g_settings->getBool("cinematic"))
4584                 m_cache_cam_smoothing = 1 - g_settings->getFloat("cinematic_camera_smoothing");
4585         else
4586                 m_cache_cam_smoothing = 1 - g_settings->getFloat("camera_smoothing");
4587
4588         m_cache_fog_start = rangelim(m_cache_fog_start, 0.0f, 0.99f);
4589         m_cache_cam_smoothing = rangelim(m_cache_cam_smoothing, 0.01f, 1.0f);
4590         m_cache_mouse_sensitivity = rangelim(m_cache_mouse_sensitivity, 0.001, 100.0);
4591
4592 }
4593
4594 /****************************************************************************/
4595 /****************************************************************************
4596  Shutdown / cleanup
4597  ****************************************************************************/
4598 /****************************************************************************/
4599
4600 void Game::extendedResourceCleanup()
4601 {
4602         // Extended resource accounting
4603         infostream << "Irrlicht resources after cleanup:" << std::endl;
4604         infostream << "\tRemaining meshes   : "
4605                    << RenderingEngine::get_mesh_cache()->getMeshCount() << std::endl;
4606         infostream << "\tRemaining textures : "
4607                    << driver->getTextureCount() << std::endl;
4608
4609         for (unsigned int i = 0; i < driver->getTextureCount(); i++) {
4610                 irr::video::ITexture *texture = driver->getTextureByIndex(i);
4611                 infostream << "\t\t" << i << ":" << texture->getName().getPath().c_str()
4612                            << std::endl;
4613         }
4614
4615         clearTextureNameCache();
4616         infostream << "\tRemaining materials: "
4617                << driver-> getMaterialRendererCount()
4618                        << " (note: irrlicht doesn't support removing renderers)" << std::endl;
4619 }
4620
4621 #define GET_KEY_NAME(KEY) gettext(getKeySetting(#KEY).name())
4622 void Game::showPauseMenu()
4623 {
4624 #ifdef __ANDROID__
4625         static const std::string control_text = strgettext("Default Controls:\n"
4626                 "No menu visible:\n"
4627                 "- single tap: button activate\n"
4628                 "- double tap: place/use\n"
4629                 "- slide finger: look around\n"
4630                 "Menu/Inventory visible:\n"
4631                 "- double tap (outside):\n"
4632                 " -->close\n"
4633                 "- touch stack, touch slot:\n"
4634                 " --> move stack\n"
4635                 "- touch&drag, tap 2nd finger\n"
4636                 " --> place single item to slot\n"
4637                 );
4638 #else
4639         static const std::string control_text_template = strgettext("Controls:\n"
4640                 "- %s: move forwards\n"
4641                 "- %s: move backwards\n"
4642                 "- %s: move left\n"
4643                 "- %s: move right\n"
4644                 "- %s: jump/climb\n"
4645                 "- %s: sneak/go down\n"
4646                 "- %s: drop item\n"
4647                 "- %s: inventory\n"
4648                 "- Mouse: turn/look\n"
4649                 "- Mouse left: dig/punch\n"
4650                 "- Mouse right: place/use\n"
4651                 "- Mouse wheel: select item\n"
4652                 "- %s: chat\n"
4653         );
4654
4655          char control_text_buf[600];
4656
4657          snprintf(control_text_buf, ARRLEN(control_text_buf), control_text_template.c_str(),
4658                         GET_KEY_NAME(keymap_forward),
4659                         GET_KEY_NAME(keymap_backward),
4660                         GET_KEY_NAME(keymap_left),
4661                         GET_KEY_NAME(keymap_right),
4662                         GET_KEY_NAME(keymap_jump),
4663                         GET_KEY_NAME(keymap_sneak),
4664                         GET_KEY_NAME(keymap_drop),
4665                         GET_KEY_NAME(keymap_inventory),
4666                         GET_KEY_NAME(keymap_chat)
4667                         );
4668
4669         std::string control_text = std::string(control_text_buf);
4670         str_formspec_escape(control_text);
4671 #endif
4672
4673         float ypos = simple_singleplayer_mode ? 0.7f : 0.1f;
4674         std::ostringstream os;
4675
4676         os << FORMSPEC_VERSION_STRING  << SIZE_TAG
4677                 << "button_exit[4," << (ypos++) << ";3,0.5;btn_continue;"
4678                 << strgettext("Continue") << "]";
4679
4680         if (!simple_singleplayer_mode) {
4681                 os << "button_exit[4," << (ypos++) << ";3,0.5;btn_change_password;"
4682                         << strgettext("Change Password") << "]";
4683         } else {
4684                 os << "field[4.95,0;5,1.5;;" << strgettext("Game paused") << ";]";
4685         }
4686
4687 #ifndef __ANDROID__
4688         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_sound;"
4689                 << strgettext("Sound Volume") << "]";
4690         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_key_config;"
4691                 << strgettext("Change Keys")  << "]";
4692 #endif
4693         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_menu;"
4694                 << strgettext("Exit to Menu") << "]";
4695         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_os;"
4696                 << strgettext("Exit to OS")   << "]"
4697                 << "textarea[7.5,0.25;3.9,6.25;;" << control_text << ";]"
4698                 << "textarea[0.4,0.25;3.9,6.25;;" << PROJECT_NAME_C " " VERSION_STRING "\n"
4699                 << "\n"
4700                 <<  strgettext("Game info:") << "\n";
4701         const std::string &address = client->getAddressName();
4702         static const std::string mode = strgettext("- Mode: ");
4703         if (!simple_singleplayer_mode) {
4704                 Address serverAddress = client->getServerAddress();
4705                 if (!address.empty()) {
4706                         os << mode << strgettext("Remote server") << "\n"
4707                                         << strgettext("- Address: ") << address;
4708                 } else {
4709                         os << mode << strgettext("Hosting server");
4710                 }
4711                 os << "\n" << strgettext("- Port: ") << serverAddress.getPort() << "\n";
4712         } else {
4713                 os << mode << strgettext("Singleplayer") << "\n";
4714         }
4715         if (simple_singleplayer_mode || address.empty()) {
4716                 static const std::string on = strgettext("On");
4717                 static const std::string off = strgettext("Off");
4718                 const std::string &damage = g_settings->getBool("enable_damage") ? on : off;
4719                 const std::string &creative = g_settings->getBool("creative_mode") ? on : off;
4720                 const std::string &announced = g_settings->getBool("server_announce") ? on : off;
4721                 os << strgettext("- Damage: ") << damage << "\n"
4722                                 << strgettext("- Creative Mode: ") << creative << "\n";
4723                 if (!simple_singleplayer_mode) {
4724                         const std::string &pvp = g_settings->getBool("enable_pvp") ? on : off;
4725                         os << strgettext("- PvP: ") << pvp << "\n"
4726                                         << strgettext("- Public: ") << announced << "\n";
4727                         std::string server_name = g_settings->get("server_name");
4728                         str_formspec_escape(server_name);
4729                         if (announced == on && !server_name.empty())
4730                                 os << strgettext("- Server Name: ") << server_name;
4731
4732                 }
4733         }
4734         os << ";]";
4735
4736         /* Create menu */
4737         /* Note: FormspecFormSource and LocalFormspecHandler  *
4738          * are deleted by guiFormSpecMenu                     */
4739         FormspecFormSource *fs_src = new FormspecFormSource(os.str());
4740         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_PAUSE_MENU");
4741
4742         create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
4743         current_formspec->setFocus("btn_continue");
4744         current_formspec->doPause = true;
4745 }
4746
4747 /****************************************************************************/
4748 /****************************************************************************
4749  extern function for launching the game
4750  ****************************************************************************/
4751 /****************************************************************************/
4752
4753 void the_game(bool *kill,
4754                 bool random_input,
4755                 InputHandler *input,
4756                 const std::string &map_dir,
4757                 const std::string &playername,
4758                 const std::string &password,
4759                 const std::string &address,         // If empty local server is created
4760                 u16 port,
4761
4762                 std::string &error_message,
4763                 ChatBackend &chat_backend,
4764                 bool *reconnect_requested,
4765                 const SubgameSpec &gamespec,        // Used for local game
4766                 bool simple_singleplayer_mode)
4767 {
4768         Game game;
4769
4770         /* Make a copy of the server address because if a local singleplayer server
4771          * is created then this is updated and we don't want to change the value
4772          * passed to us by the calling function
4773          */
4774         std::string server_address = address;
4775
4776         try {
4777
4778                 if (game.startup(kill, random_input, input, map_dir,
4779                                 playername, password, &server_address, port, error_message,
4780                                 reconnect_requested, &chat_backend, gamespec,
4781                                 simple_singleplayer_mode)) {
4782                         game.run();
4783                         game.shutdown();
4784                 }
4785
4786         } catch (SerializationError &e) {
4787                 error_message = std::string("A serialization error occurred:\n")
4788                                 + e.what() + "\n\nThe server is probably "
4789                                 " running a different version of " PROJECT_NAME_C ".";
4790                 errorstream << error_message << std::endl;
4791         } catch (ServerError &e) {
4792                 error_message = e.what();
4793                 errorstream << "ServerError: " << error_message << std::endl;
4794         } catch (ModError &e) {
4795                 error_message = e.what() + strgettext("\nCheck debug.txt for details.");
4796                 errorstream << "ModError: " << error_message << std::endl;
4797         }
4798 }