src/client/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/gameui.h"
  29 #include "client/inputhandler.h"
  30 #include "client/tile.h"     // For TextureSource
  31 #include "client/keys.h"
  32 #include "client/joystick_controller.h"
  33 #include "clientmap.h"
  34 #include "clouds.h"
  35 #include "config.h"
  36 #include "content_cao.h"
  37 #include "client/event_manager.h"
  38 #include "fontengine.h"
  39 #include "itemdef.h"
  40 #include "log.h"
  41 #include "filesys.h"
  42 #include "gettext.h"
  43 #include "gui/guiChatConsole.h"
  44 #include "gui/guiConfirmRegistration.h"
  45 #include "gui/guiFormSpecMenu.h"
  46 #include "gui/guiKeyChangeMenu.h"
  47 #include "gui/guiPasswordChange.h"
  48 #include "gui/guiVolumeChange.h"
  49 #include "gui/mainmenumanager.h"
  50 #include "gui/profilergraph.h"
  51 #include "mapblock.h"
  52 #include "minimap.h"
  53 #include "nodedef.h"         // Needed for determining pointing to nodes
  54 #include "nodemetadata.h"
  55 #include "particles.h"
  56 #include "porting.h"
  57 #include "profiler.h"
  58 #include "raycast.h"
  59 #include "server.h"
  60 #include "settings.h"
  61 #include "shader.h"
  62 #include "sky.h"
  63 #include "translation.h"
  64 #include "util/basic_macros.h"
  65 #include "util/directiontables.h"
  66 #include "util/pointedthing.h"
  67 #include "util/quicktune_shortcutter.h"
  68 #include "irrlicht_changes/static_text.h"
  69 #include "version.h"
  70 #include "script/scripting_client.h"
  71 #include "hud.h"
  72
  73 #if USE_SOUND
  74         #include "client/sound_openal.h"
  75 #else
  76         #include "client/sound.h"
  77 #endif
  78 /*
  79         Text input system
  80 */
  81
  82 struct TextDestNodeMetadata : public TextDest
  83 {
  84         TextDestNodeMetadata(v3s16 p, Client *client)
  85         {
  86                 m_p = p;
  87                 m_client = client;
  88         }
  89         // This is deprecated I guess? -celeron55
  90         void gotText(const std::wstring &text)
  91         {
  92                 std::string ntext = wide_to_utf8(text);
  93                 infostream << "Submitting 'text' field of node at (" << m_p.X << ","
  94                            << m_p.Y << "," << m_p.Z << "): " << ntext << std::endl;
  95                 StringMap fields;
  96                 fields["text"] = ntext;
  97                 m_client->sendNodemetaFields(m_p, "", fields);
  98         }
  99         void gotText(const StringMap &fields)
 100         {
 101                 m_client->sendNodemetaFields(m_p, "", fields);
 102         }
 103
 104         v3s16 m_p;
 105         Client *m_client;
 106 };
 107
 108 struct TextDestPlayerInventory : public TextDest
 109 {
 110         TextDestPlayerInventory(Client *client)
 111         {
 112                 m_client = client;
 113                 m_formname = "";
 114         }
 115         TextDestPlayerInventory(Client *client, const std::string &formname)
 116         {
 117                 m_client = client;
 118                 m_formname = formname;
 119         }
 120         void gotText(const StringMap &fields)
 121         {
 122                 m_client->sendInventoryFields(m_formname, fields);
 123         }
 124
 125         Client *m_client;
 126 };
 127
 128 struct LocalFormspecHandler : public TextDest
 129 {
 130         LocalFormspecHandler(const std::string &formname)
 131         {
 132                 m_formname = formname;
 133         }
 134
 135         LocalFormspecHandler(const std::string &formname, Client *client):
 136                 m_client(client)
 137         {
 138                 m_formname = formname;
 139         }
 140
 141         void gotText(const StringMap &fields)
 142         {
 143                 if (m_formname == "MT_PAUSE_MENU") {
 144                         if (fields.find("btn_sound") != fields.end()) {
 145                                 g_gamecallback->changeVolume();
 146                                 return;
 147                         }
 148
 149                         if (fields.find("btn_key_config") != fields.end()) {
 150                                 g_gamecallback->keyConfig();
 151                                 return;
 152                         }
 153
 154                         if (fields.find("btn_exit_menu") != fields.end()) {
 155                                 g_gamecallback->disconnect();
 156                                 return;
 157                         }
 158
 159                         if (fields.find("btn_exit_os") != fields.end()) {
 160                                 g_gamecallback->exitToOS();
 161 #ifndef __ANDROID__
 162                                 RenderingEngine::get_raw_device()->closeDevice();
 163 #endif
 164                                 return;
 165                         }
 166
 167                         if (fields.find("btn_change_password") != fields.end()) {
 168                                 g_gamecallback->changePassword();
 169                                 return;
 170                         }
 171
 172                         if (fields.find("quit") != fields.end()) {
 173                                 return;
 174                         }
 175
 176                         if (fields.find("btn_continue") != fields.end()) {
 177                                 return;
 178                         }
 179                 }
 180
 181                 if (m_formname == "MT_DEATH_SCREEN") {
 182                         assert(m_client != 0);
 183                         m_client->sendRespawn();
 184                         return;
 185                 }
 186
 187                 if (m_client && m_client->modsLoaded())
 188                         m_client->getScript()->on_formspec_input(m_formname, fields);
 189         }
 190
 191         Client *m_client = nullptr;
 192 };
 193
 194 /* Form update callback */
 195
 196 class NodeMetadataFormSource: public IFormSource
 197 {
 198 public:
 199         NodeMetadataFormSource(ClientMap *map, v3s16 p):
 200                 m_map(map),
 201                 m_p(p)
 202         {
 203         }
 204         const std::string &getForm() const
 205         {
 206                 static const std::string empty_string = "";
 207                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 208
 209                 if (!meta)
 210                         return empty_string;
 211
 212                 return meta->getString("formspec");
 213         }
 214
 215         virtual std::string resolveText(const std::string &str)
 216         {
 217                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 218
 219                 if (!meta)
 220                         return str;
 221
 222                 return meta->resolveString(str);
 223         }
 224
 225         ClientMap *m_map;
 226         v3s16 m_p;
 227 };
 228
 229 class PlayerInventoryFormSource: public IFormSource
 230 {
 231 public:
 232         PlayerInventoryFormSource(Client *client):
 233                 m_client(client)
 234         {
 235         }
 236
 237         const std::string &getForm() const
 238         {
 239                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
 240                 return player->inventory_formspec;
 241         }
 242
 243         Client *m_client;
 244 };
 245
 246 class NodeDugEvent: public MtEvent
 247 {
 248 public:
 249         v3s16 p;
 250         MapNode n;
 251
 252         NodeDugEvent(v3s16 p, MapNode n):
 253                 p(p),
 254                 n(n)
 255         {}
 256         MtEvent::Type getType() const
 257         {
 258                 return MtEvent::NODE_DUG;
 259         }
 260 };
 261
 262 class SoundMaker
 263 {
 264         ISoundManager *m_sound;
 265         const NodeDefManager *m_ndef;
 266 public:
 267         bool makes_footstep_sound;
 268         float m_player_step_timer;
 269
 270         SimpleSoundSpec m_player_step_sound;
 271         SimpleSoundSpec m_player_leftpunch_sound;
 272         SimpleSoundSpec m_player_rightpunch_sound;
 273
 274         SoundMaker(ISoundManager *sound, const NodeDefManager *ndef):
 275                 m_sound(sound),
 276                 m_ndef(ndef),
 277                 makes_footstep_sound(true),
 278                 m_player_step_timer(0)
 279         {
 280         }
 281
 282         void playPlayerStep()
 283         {
 284                 if (m_player_step_timer <= 0 && m_player_step_sound.exists()) {
 285                         m_player_step_timer = 0.03;
 286                         if (makes_footstep_sound)
 287                                 m_sound->playSound(m_player_step_sound, false);
 288                 }
 289         }
 290
 291         static void viewBobbingStep(MtEvent *e, void *data)
 292         {
 293                 SoundMaker *sm = (SoundMaker *)data;
 294                 sm->playPlayerStep();
 295         }
 296
 297         static void playerRegainGround(MtEvent *e, void *data)
 298         {
 299                 SoundMaker *sm = (SoundMaker *)data;
 300                 sm->playPlayerStep();
 301         }
 302
 303         static void playerJump(MtEvent *e, void *data)
 304         {
 305                 //SoundMaker *sm = (SoundMaker*)data;
 306         }
 307
 308         static void cameraPunchLeft(MtEvent *e, void *data)
 309         {
 310                 SoundMaker *sm = (SoundMaker *)data;
 311                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
 312         }
 313
 314         static void cameraPunchRight(MtEvent *e, void *data)
 315         {
 316                 SoundMaker *sm = (SoundMaker *)data;
 317                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
 318         }
 319
 320         static void nodeDug(MtEvent *e, void *data)
 321         {
 322                 SoundMaker *sm = (SoundMaker *)data;
 323                 NodeDugEvent *nde = (NodeDugEvent *)e;
 324                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
 325         }
 326
 327         static void playerDamage(MtEvent *e, void *data)
 328         {
 329                 SoundMaker *sm = (SoundMaker *)data;
 330                 sm->m_sound->playSound(SimpleSoundSpec("player_damage", 0.5), false);
 331         }
 332
 333         static void playerFallingDamage(MtEvent *e, void *data)
 334         {
 335                 SoundMaker *sm = (SoundMaker *)data;
 336                 sm->m_sound->playSound(SimpleSoundSpec("player_falling_damage", 0.5), false);
 337         }
 338
 339         void registerReceiver(MtEventManager *mgr)
 340         {
 341                 mgr->reg(MtEvent::VIEW_BOBBING_STEP, SoundMaker::viewBobbingStep, this);
 342                 mgr->reg(MtEvent::PLAYER_REGAIN_GROUND, SoundMaker::playerRegainGround, this);
 343                 mgr->reg(MtEvent::PLAYER_JUMP, SoundMaker::playerJump, this);
 344                 mgr->reg(MtEvent::CAMERA_PUNCH_LEFT, SoundMaker::cameraPunchLeft, this);
 345                 mgr->reg(MtEvent::CAMERA_PUNCH_RIGHT, SoundMaker::cameraPunchRight, this);
 346                 mgr->reg(MtEvent::NODE_DUG, SoundMaker::nodeDug, this);
 347                 mgr->reg(MtEvent::PLAYER_DAMAGE, SoundMaker::playerDamage, this);
 348                 mgr->reg(MtEvent::PLAYER_FALLING_DAMAGE, SoundMaker::playerFallingDamage, this);
 349         }
 350
 351         void step(float dtime)
 352         {
 353                 m_player_step_timer -= dtime;
 354         }
 355 };
 356
 357 // Locally stored sounds don't need to be preloaded because of this
 358 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
 359 {
 360         std::set<std::string> m_fetched;
 361 private:
 362         void paths_insert(std::set<std::string> &dst_paths,
 363                 const std::string &base,
 364                 const std::string &name)
 365         {
 366                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".ogg");
 367                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".0.ogg");
 368                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".1.ogg");
 369                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".2.ogg");
 370                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".3.ogg");
 371                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".4.ogg");
 372                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".5.ogg");
 373                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".6.ogg");
 374                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".7.ogg");
 375                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".8.ogg");
 376                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".9.ogg");
 377         }
 378 public:
 379         void fetchSounds(const std::string &name,
 380                 std::set<std::string> &dst_paths,
 381                 std::set<std::string> &dst_datas)
 382         {
 383                 if (m_fetched.count(name))
 384                         return;
 385
 386                 m_fetched.insert(name);
 387
 388                 paths_insert(dst_paths, porting::path_share, name);
 389                 paths_insert(dst_paths, porting::path_user,  name);
 390         }
 391 };
 392
 393
 394 // before 1.8 there isn't a "integer interface", only float
 395 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 396 typedef f32 SamplerLayer_t;
 397 #else
 398 typedef s32 SamplerLayer_t;
 399 #endif
 400
 401
 402 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
 403 {
 404         Sky *m_sky;
 405         bool *m_force_fog_off;
 406         f32 *m_fog_range;
 407         bool m_fog_enabled;
 408         CachedPixelShaderSetting<float, 4> m_sky_bg_color;
 409         CachedPixelShaderSetting<float> m_fog_distance;
 410         CachedVertexShaderSetting<float> m_animation_timer_vertex;
 411         CachedPixelShaderSetting<float> m_animation_timer_pixel;
 412         CachedPixelShaderSetting<float, 3> m_day_light;
 413         CachedPixelShaderSetting<float, 3> m_eye_position_pixel;
 414         CachedVertexShaderSetting<float, 3> m_eye_position_vertex;
 415         CachedPixelShaderSetting<float, 3> m_minimap_yaw;
 416         CachedPixelShaderSetting<float, 3> m_camera_offset_pixel;
 417         CachedPixelShaderSetting<float, 3> m_camera_offset_vertex;
 418         CachedPixelShaderSetting<SamplerLayer_t> m_base_texture;
 419         CachedPixelShaderSetting<SamplerLayer_t> m_normal_texture;
 420         CachedPixelShaderSetting<SamplerLayer_t> m_texture_flags;
 421         Client *m_client;
 422
 423 public:
 424         void onSettingsChange(const std::string &name)
 425         {
 426                 if (name == "enable_fog")
 427                         m_fog_enabled = g_settings->getBool("enable_fog");
 428         }
 429
 430         static void settingsCallback(const std::string &name, void *userdata)
 431         {
 432                 reinterpret_cast<GameGlobalShaderConstantSetter*>(userdata)->onSettingsChange(name);
 433         }
 434
 435         void setSky(Sky *sky) { m_sky = sky; }
 436
 437         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
 438                         f32 *fog_range, Client *client) :
 439                 m_sky(sky),
 440                 m_force_fog_off(force_fog_off),
 441                 m_fog_range(fog_range),
 442                 m_sky_bg_color("skyBgColor"),
 443                 m_fog_distance("fogDistance"),
 444                 m_animation_timer_vertex("animationTimer"),
 445                 m_animation_timer_pixel("animationTimer"),
 446                 m_day_light("dayLight"),
 447                 m_eye_position_pixel("eyePosition"),
 448                 m_eye_position_vertex("eyePosition"),
 449                 m_minimap_yaw("yawVec"),
 450                 m_camera_offset_pixel("cameraOffset"),
 451                 m_camera_offset_vertex("cameraOffset"),
 452                 m_base_texture("baseTexture"),
 453                 m_normal_texture("normalTexture"),
 454                 m_texture_flags("textureFlags"),
 455                 m_client(client)
 456         {
 457                 g_settings->registerChangedCallback("enable_fog", settingsCallback, this);
 458                 m_fog_enabled = g_settings->getBool("enable_fog");
 459         }
 460
 461         ~GameGlobalShaderConstantSetter()
 462         {
 463                 g_settings->deregisterChangedCallback("enable_fog", settingsCallback, this);
 464         }
 465
 466         virtual void onSetConstants(video::IMaterialRendererServices *services,
 467                         bool is_highlevel)
 468         {
 469                 if (!is_highlevel)
 470                         return;
 471
 472                 // Background color
 473                 video::SColor bgcolor = m_sky->getBgColor();
 474                 video::SColorf bgcolorf(bgcolor);
 475                 float bgcolorfa[4] = {
 476                         bgcolorf.r,
 477                         bgcolorf.g,
 478                         bgcolorf.b,
 479                         bgcolorf.a,
 480                 };
 481                 m_sky_bg_color.set(bgcolorfa, services);
 482
 483                 // Fog distance
 484                 float fog_distance = 10000 * BS;
 485
 486                 if (m_fog_enabled && !*m_force_fog_off)
 487                         fog_distance = *m_fog_range;
 488
 489                 m_fog_distance.set(&fog_distance, services);
 490
 491                 u32 daynight_ratio = (float)m_client->getEnv().getDayNightRatio();
 492                 video::SColorf sunlight;
 493                 get_sunlight_color(&sunlight, daynight_ratio);
 494                 float dnc[3] = {
 495                         sunlight.r,
 496                         sunlight.g,
 497                         sunlight.b };
 498                 m_day_light.set(dnc, services);
 499
 500                 u32 animation_timer = porting::getTimeMs() % 1000000;
 501                 float animation_timer_f = (float)animation_timer / 100000.f;
 502                 m_animation_timer_vertex.set(&animation_timer_f, services);
 503                 m_animation_timer_pixel.set(&animation_timer_f, services);
 504
 505                 float eye_position_array[3];
 506                 v3f epos = m_client->getEnv().getLocalPlayer()->getEyePosition();
 507 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 508                 eye_position_array[0] = epos.X;
 509                 eye_position_array[1] = epos.Y;
 510                 eye_position_array[2] = epos.Z;
 511 #else
 512                 epos.getAs3Values(eye_position_array);
 513 #endif
 514                 m_eye_position_pixel.set(eye_position_array, services);
 515                 m_eye_position_vertex.set(eye_position_array, services);
 516
 517                 if (m_client->getMinimap()) {
 518                         float minimap_yaw_array[3];
 519                         v3f minimap_yaw = m_client->getMinimap()->getYawVec();
 520 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 521                         minimap_yaw_array[0] = minimap_yaw.X;
 522                         minimap_yaw_array[1] = minimap_yaw.Y;
 523                         minimap_yaw_array[2] = minimap_yaw.Z;
 524 #else
 525                         minimap_yaw.getAs3Values(minimap_yaw_array);
 526 #endif
 527                         m_minimap_yaw.set(minimap_yaw_array, services);
 528                 }
 529
 530                 float camera_offset_array[3];
 531                 v3f offset = intToFloat(m_client->getCamera()->getOffset(), BS);
 532 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 533                 camera_offset_array[0] = offset.X;
 534                 camera_offset_array[1] = offset.Y;
 535                 camera_offset_array[2] = offset.Z;
 536 #else
 537                 offset.getAs3Values(camera_offset_array);
 538 #endif
 539                 m_camera_offset_pixel.set(camera_offset_array, services);
 540                 m_camera_offset_vertex.set(camera_offset_array, services);
 541
 542                 SamplerLayer_t base_tex = 0,
 543                                 normal_tex = 1,
 544                                 flags_tex = 2;
 545                 m_base_texture.set(&base_tex, services);
 546                 m_normal_texture.set(&normal_tex, services);
 547                 m_texture_flags.set(&flags_tex, services);
 548         }
 549 };
 550
 551
 552 class GameGlobalShaderConstantSetterFactory : public IShaderConstantSetterFactory
 553 {
 554         Sky *m_sky;
 555         bool *m_force_fog_off;
 556         f32 *m_fog_range;
 557         Client *m_client;
 558         std::vector<GameGlobalShaderConstantSetter *> created_nosky;
 559 public:
 560         GameGlobalShaderConstantSetterFactory(bool *force_fog_off,
 561                         f32 *fog_range, Client *client) :
 562                 m_sky(NULL),
 563                 m_force_fog_off(force_fog_off),
 564                 m_fog_range(fog_range),
 565                 m_client(client)
 566         {}
 567
 568         void setSky(Sky *sky) {
 569                 m_sky = sky;
 570                 for (GameGlobalShaderConstantSetter *ggscs : created_nosky) {
 571                         ggscs->setSky(m_sky);
 572                 }
 573                 created_nosky.clear();
 574         }
 575
 576         virtual IShaderConstantSetter* create()
 577         {
 578                 GameGlobalShaderConstantSetter *scs = new GameGlobalShaderConstantSetter(
 579                                 m_sky, m_force_fog_off, m_fog_range, m_client);
 580                 if (!m_sky)
 581                         created_nosky.push_back(scs);
 582                 return scs;
 583         }
 584 };
 585
 586 #ifdef __ANDROID__
 587 #define SIZE_TAG "size[11,5.5]"
 588 #else
 589 #define SIZE_TAG "size[11,5.5,true]" // Fixed size on desktop
 590 #endif
 591
 592 /****************************************************************************
 593
 594  ****************************************************************************/
 595
 596 const float object_hit_delay = 0.2;
 597
 598 struct FpsControl {
 599         u32 last_time, busy_time, sleep_time;
 600 };
 601
 602
 603 /* The reason the following structs are not anonymous structs within the
 604  * class is that they are not used by the majority of member functions and
 605  * many functions that do require objects of thse types do not modify them
 606  * (so they can be passed as a const qualified parameter)
 607  */
 608
 609 struct GameRunData {
 610         u16 dig_index;
 611         u16 new_playeritem;
 612         PointedThing pointed_old;
 613         bool digging;
 614         bool ldown_for_dig;
 615         bool dig_instantly;
 616         bool digging_blocked;
 617         bool left_punch;
 618         bool reset_jump_timer;
 619         float nodig_delay_timer;
 620         float dig_time;
 621         float dig_time_complete;
 622         float repeat_rightclick_timer;
 623         float object_hit_delay_timer;
 624         float time_from_last_punch;
 625         ClientActiveObject *selected_object;
 626
 627         float jump_timer;
 628         float damage_flash;
 629         float update_draw_list_timer;
 630
 631         f32 fog_range;
 632
 633         v3f update_draw_list_last_cam_dir;
 634
 635         float time_of_day_smooth;
 636 };
 637
 638 class Game;
 639
 640 struct ClientEventHandler
 641 {
 642         void (Game::*handler)(ClientEvent *, CameraOrientation *);
 643 };
 644
 645 /****************************************************************************
 646  THE GAME
 647  ****************************************************************************/
 648
 649 /* This is not intended to be a public class. If a public class becomes
 650  * desirable then it may be better to create another 'wrapper' class that
 651  * hides most of the stuff in this class (nothing in this class is required
 652  * by any other file) but exposes the public methods/data only.
 653  */
 654 class Game {
 655 public:
 656         Game();
 657         ~Game();
 658
 659         bool startup(bool *kill,
 660                         bool random_input,
 661                         InputHandler *input,
 662                         const std::string &map_dir,
 663                         const std::string &playername,
 664                         const std::string &password,
 665                         // If address is "", local server is used and address is updated
 666                         std::string *address,
 667                         u16 port,
 668                         std::string &error_message,
 669                         bool *reconnect,
 670                         ChatBackend *chat_backend,
 671                         const SubgameSpec &gamespec,    // Used for local game
 672                         bool simple_singleplayer_mode);
 673
 674         void run();
 675         void shutdown();
 676
 677 protected:
 678
 679         void extendedResourceCleanup();
 680
 681         // Basic initialisation
 682         bool init(const std::string &map_dir, std::string *address,
 683                         u16 port,
 684                         const SubgameSpec &gamespec);
 685         bool initSound();
 686         bool createSingleplayerServer(const std::string &map_dir,
 687                         const SubgameSpec &gamespec, u16 port, std::string *address);
 688
 689         // Client creation
 690         bool createClient(const std::string &playername,
 691                         const std::string &password, std::string *address, u16 port);
 692         bool initGui();
 693
 694         // Client connection
 695         bool connectToServer(const std::string &playername,
 696                         const std::string &password, std::string *address, u16 port,
 697                         bool *connect_ok, bool *aborted);
 698         bool getServerContent(bool *aborted);
 699
 700         // Main loop
 701
 702         void updateInteractTimers(f32 dtime);
 703         bool checkConnection();
 704         bool handleCallbacks();
 705         void processQueues();
 706         void updateProfilers(const RunStats &stats, const FpsControl &draw_times, f32 dtime);
 707         void updateStats(RunStats *stats, const FpsControl &draw_times, f32 dtime);
 708         void updateProfilerGraphs(ProfilerGraph *graph);
 709
 710         // Input related
 711         void processUserInput(f32 dtime);
 712         void processKeyInput();
 713         void processItemSelection(u16 *new_playeritem);
 714
 715         void dropSelectedItem(bool single_item = false);
 716         void openInventory();
 717         void openConsole(float scale, const wchar_t *line=NULL);
 718         void toggleFreeMove();
 719         void toggleFreeMoveAlt();
 720         void togglePitchMove();
 721         void toggleFast();
 722         void toggleNoClip();
 723         void toggleCinematic();
 724         void toggleAutoforward();
 725
 726         void toggleMinimap(bool shift_pressed);
 727         void toggleFog();
 728         void toggleDebug();
 729         void toggleUpdateCamera();
 730
 731         void increaseViewRange();
 732         void decreaseViewRange();
 733         void toggleFullViewRange();
 734         void checkZoomEnabled();
 735
 736         void updateCameraDirection(CameraOrientation *cam, float dtime);
 737         void updateCameraOrientation(CameraOrientation *cam, float dtime);
 738         void updatePlayerControl(const CameraOrientation &cam);
 739         void step(f32 *dtime);
 740         void processClientEvents(CameraOrientation *cam);
 741         void updateCamera(u32 busy_time, f32 dtime);
 742         void updateSound(f32 dtime);
 743         void processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug);
 744         /*!
 745          * Returns the object or node the player is pointing at.
 746          * Also updates the selected thing in the Hud.
 747          *
 748          * @param[in]  shootline         the shootline, starting from
 749          * the camera position. This also gives the maximal distance
 750          * of the search.
 751          * @param[in]  liquids_pointable if false, liquids are ignored
 752          * @param[in]  look_for_object   if false, objects are ignored
 753          * @param[in]  camera_offset     offset of the camera
 754          * @param[out] selected_object   the selected object or
 755          * NULL if not found
 756          */
 757         PointedThing updatePointedThing(
 758                         const core::line3d<f32> &shootline, bool liquids_pointable,
 759                         bool look_for_object, const v3s16 &camera_offset);
 760         void handlePointingAtNothing(const ItemStack &playerItem);
 761         void handlePointingAtNode(const PointedThing &pointed,
 762                         const ItemStack &selected_item, const ItemStack &hand_item, f32 dtime);
 763         void handlePointingAtObject(const PointedThing &pointed, const ItemStack &playeritem,
 764                         const v3f &player_position, bool show_debug);
 765         void handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
 766                         const ItemStack &selected_item, const ItemStack &hand_item, f32 dtime);
 767         void updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
 768                         const CameraOrientation &cam);
 769
 770         // Misc
 771         void limitFps(FpsControl *fps_timings, f32 *dtime);
 772
 773         void showOverlayMessage(const char *msg, float dtime, int percent,
 774                         bool draw_clouds = true);
 775
 776         static void settingChangedCallback(const std::string &setting_name, void *data);
 777         void readSettings();
 778
 779         inline bool isKeyDown(GameKeyType k)
 780         {
 781                 return input->isKeyDown(k);
 782         }
 783         inline bool wasKeyDown(GameKeyType k)
 784         {
 785                 return input->wasKeyDown(k);
 786         }
 787
 788 #ifdef __ANDROID__
 789         void handleAndroidChatInput();
 790 #endif
 791
 792 private:
 793         struct Flags {
 794                 bool force_fog_off = false;
 795                 bool disable_camera_update = false;
 796         };
 797
 798         void showDeathFormspec();
 799         void showPauseMenu();
 800
 801         // ClientEvent handlers
 802         void handleClientEvent_None(ClientEvent *event, CameraOrientation *cam);
 803         void handleClientEvent_PlayerDamage(ClientEvent *event, CameraOrientation *cam);
 804         void handleClientEvent_PlayerForceMove(ClientEvent *event, CameraOrientation *cam);
 805         void handleClientEvent_Deathscreen(ClientEvent *event, CameraOrientation *cam);
 806         void handleClientEvent_ShowFormSpec(ClientEvent *event, CameraOrientation *cam);
 807         void handleClientEvent_ShowLocalFormSpec(ClientEvent *event, CameraOrientation *cam);
 808         void handleClientEvent_HandleParticleEvent(ClientEvent *event,
 809                 CameraOrientation *cam);
 810         void handleClientEvent_HudAdd(ClientEvent *event, CameraOrientation *cam);
 811         void handleClientEvent_HudRemove(ClientEvent *event, CameraOrientation *cam);
 812         void handleClientEvent_HudChange(ClientEvent *event, CameraOrientation *cam);
 813         void handleClientEvent_SetSky(ClientEvent *event, CameraOrientation *cam);
 814         void handleClientEvent_OverrideDayNigthRatio(ClientEvent *event,
 815                 CameraOrientation *cam);
 816         void handleClientEvent_CloudParams(ClientEvent *event, CameraOrientation *cam);
 817
 818         void updateChat(f32 dtime, const v2u32 &screensize);
 819
 820         bool nodePlacement(const ItemDefinition &selected_def, const ItemStack &selected_item,
 821                 const v3s16 &nodepos, const v3s16 &neighbourpos, const PointedThing &pointed,
 822                 const NodeMetadata *meta);
 823         static const ClientEventHandler clientEventHandler[CLIENTEVENT_MAX];
 824
 825         InputHandler *input = nullptr;
 826
 827         Client *client = nullptr;
 828         Server *server = nullptr;
 829
 830         IWritableTextureSource *texture_src = nullptr;
 831         IWritableShaderSource *shader_src = nullptr;
 832
 833         // When created, these will be filled with data received from the server
 834         IWritableItemDefManager *itemdef_manager = nullptr;
 835         NodeDefManager *nodedef_manager = nullptr;
 836
 837         GameOnDemandSoundFetcher soundfetcher; // useful when testing
 838         ISoundManager *sound = nullptr;
 839         bool sound_is_dummy = false;
 840         SoundMaker *soundmaker = nullptr;
 841
 842         ChatBackend *chat_backend = nullptr;
 843
 844         EventManager *eventmgr = nullptr;
 845         QuicktuneShortcutter *quicktune = nullptr;
 846         bool registration_confirmation_shown = false;
 847
 848         std::unique_ptr<GameUI> m_game_ui;
 849         GUIChatConsole *gui_chat_console = nullptr; // Free using ->Drop()
 850         MapDrawControl *draw_control = nullptr;
 851         Camera *camera = nullptr;
 852         Clouds *clouds = nullptr;                         // Free using ->Drop()
 853         Sky *sky = nullptr;                         // Free using ->Drop()
 854         Hud *hud = nullptr;
 855         Minimap *mapper = nullptr;
 856
 857         GameRunData runData;
 858         Flags m_flags;
 859
 860         /* 'cache'
 861            This class does take ownership/responsibily for cleaning up etc of any of
 862            these items (e.g. device)
 863         */
 864         IrrlichtDevice *device;
 865         video::IVideoDriver *driver;
 866         scene::ISceneManager *smgr;
 867         bool *kill;
 868         std::string *error_message;
 869         bool *reconnect_requested;
 870         scene::ISceneNode *skybox;
 871
 872         bool random_input;
 873         bool simple_singleplayer_mode;
 874         /* End 'cache' */
 875
 876         /* Pre-calculated values
 877          */
 878         int crack_animation_length;
 879
 880         IntervalLimiter profiler_interval;
 881
 882         /*
 883          * TODO: Local caching of settings is not optimal and should at some stage
 884          *       be updated to use a global settings object for getting thse values
 885          *       (as opposed to the this local caching). This can be addressed in
 886          *       a later release.
 887          */
 888         bool m_cache_doubletap_jump;
 889         bool m_cache_enable_clouds;
 890         bool m_cache_enable_joysticks;
 891         bool m_cache_enable_particles;
 892         bool m_cache_enable_fog;
 893         bool m_cache_enable_noclip;
 894         bool m_cache_enable_free_move;
 895         f32  m_cache_mouse_sensitivity;
 896         f32  m_cache_joystick_frustum_sensitivity;
 897         f32  m_repeat_right_click_time;
 898         f32  m_cache_cam_smoothing;
 899         f32  m_cache_fog_start;
 900
 901         bool m_invert_mouse = false;
 902         bool m_first_loop_after_window_activation = false;
 903         bool m_camera_offset_changed = false;
 904
 905         bool m_does_lost_focus_pause_game = false;
 906
 907 #ifdef __ANDROID__
 908         bool m_cache_hold_aux1;
 909         bool m_android_chat_open;
 910 #endif
 911 };
 912
 913 Game::Game() :
 914         m_game_ui(new GameUI())
 915 {
 916         g_settings->registerChangedCallback("doubletap_jump",
 917                 &settingChangedCallback, this);
 918         g_settings->registerChangedCallback("enable_clouds",
 919                 &settingChangedCallback, this);
 920         g_settings->registerChangedCallback("doubletap_joysticks",
 921                 &settingChangedCallback, this);
 922         g_settings->registerChangedCallback("enable_particles",
 923                 &settingChangedCallback, this);
 924         g_settings->registerChangedCallback("enable_fog",
 925                 &settingChangedCallback, this);
 926         g_settings->registerChangedCallback("mouse_sensitivity",
 927                 &settingChangedCallback, this);
 928         g_settings->registerChangedCallback("joystick_frustum_sensitivity",
 929                 &settingChangedCallback, this);
 930         g_settings->registerChangedCallback("repeat_rightclick_time",
 931                 &settingChangedCallback, this);
 932         g_settings->registerChangedCallback("noclip",
 933                 &settingChangedCallback, this);
 934         g_settings->registerChangedCallback("free_move",
 935                 &settingChangedCallback, this);
 936         g_settings->registerChangedCallback("cinematic",
 937                 &settingChangedCallback, this);
 938         g_settings->registerChangedCallback("cinematic_camera_smoothing",
 939                 &settingChangedCallback, this);
 940         g_settings->registerChangedCallback("camera_smoothing",
 941                 &settingChangedCallback, this);
 942
 943         readSettings();
 944
 945 #ifdef __ANDROID__
 946         m_cache_hold_aux1 = false;      // This is initialised properly later
 947 #endif
 948
 949 }
 950
 951
 952
 953 /****************************************************************************
 954  MinetestApp Public
 955  ****************************************************************************/
 956
 957 Game::~Game()
 958 {
 959         delete client;
 960         delete soundmaker;
 961         if (!sound_is_dummy)
 962                 delete sound;
 963
 964         delete server; // deleted first to stop all server threads
 965
 966         delete hud;
 967         delete camera;
 968         delete quicktune;
 969         delete eventmgr;
 970         delete texture_src;
 971         delete shader_src;
 972         delete nodedef_manager;
 973         delete itemdef_manager;
 974         delete draw_control;
 975
 976         extendedResourceCleanup();
 977
 978         g_settings->deregisterChangedCallback("doubletap_jump",
 979                 &settingChangedCallback, this);
 980         g_settings->deregisterChangedCallback("enable_clouds",
 981                 &settingChangedCallback, this);
 982         g_settings->deregisterChangedCallback("enable_particles",
 983                 &settingChangedCallback, this);
 984         g_settings->deregisterChangedCallback("enable_fog",
 985                 &settingChangedCallback, this);
 986         g_settings->deregisterChangedCallback("mouse_sensitivity",
 987                 &settingChangedCallback, this);
 988         g_settings->deregisterChangedCallback("repeat_rightclick_time",
 989                 &settingChangedCallback, this);
 990         g_settings->deregisterChangedCallback("noclip",
 991                 &settingChangedCallback, this);
 992         g_settings->deregisterChangedCallback("free_move",
 993                 &settingChangedCallback, this);
 994         g_settings->deregisterChangedCallback("cinematic",
 995                 &settingChangedCallback, this);
 996         g_settings->deregisterChangedCallback("cinematic_camera_smoothing",
 997                 &settingChangedCallback, this);
 998         g_settings->deregisterChangedCallback("camera_smoothing",
 999                 &settingChangedCallback, this);
1000 }
1001
1002 bool Game::startup(bool *kill,
1003                 bool random_input,
1004                 InputHandler *input,
1005                 const std::string &map_dir,
1006                 const std::string &playername,
1007                 const std::string &password,
1008                 std::string *address,     // can change if simple_singleplayer_mode
1009                 u16 port,
1010                 std::string &error_message,
1011                 bool *reconnect,
1012                 ChatBackend *chat_backend,
1013                 const SubgameSpec &gamespec,
1014                 bool simple_singleplayer_mode)
1015 {
1016         // "cache"
1017         this->device              = RenderingEngine::get_raw_device();
1018         this->kill                = kill;
1019         this->error_message       = &error_message;
1020         this->reconnect_requested = reconnect;
1021         this->random_input        = random_input;
1022         this->input               = input;
1023         this->chat_backend        = chat_backend;
1024         this->simple_singleplayer_mode = simple_singleplayer_mode;
1025
1026         input->keycache.populate();
1027
1028         driver = device->getVideoDriver();
1029         smgr = RenderingEngine::get_scene_manager();
1030
1031         RenderingEngine::get_scene_manager()->getParameters()->
1032                 setAttribute(scene::OBJ_LOADER_IGNORE_MATERIAL_FILES, true);
1033
1034         // Reinit runData
1035         runData = GameRunData();
1036         runData.time_from_last_punch = 10.0;
1037
1038         m_game_ui->initFlags();
1039
1040         m_invert_mouse = g_settings->getBool("invert_mouse");
1041         m_first_loop_after_window_activation = true;
1042
1043         g_translations->clear();
1044
1045         if (!init(map_dir, address, port, gamespec))
1046                 return false;
1047
1048         if (!createClient(playername, password, address, port))
1049                 return false;
1050
1051         RenderingEngine::initialize(client, hud);
1052
1053         return true;
1054 }
1055
1056
1057 void Game::run()
1058 {
1059         ProfilerGraph graph;
1060         RunStats stats              = { 0 };
1061         CameraOrientation cam_view_target  = { 0 };
1062         CameraOrientation cam_view  = { 0 };
1063         FpsControl draw_times       = { 0 };
1064         f32 dtime; // in seconds
1065
1066         /* Clear the profiler */
1067         Profiler::GraphValues dummyvalues;
1068         g_profiler->graphGet(dummyvalues);
1069
1070         draw_times.last_time = RenderingEngine::get_timer_time();
1071
1072         set_light_table(g_settings->getFloat("display_gamma"));
1073
1074 #ifdef __ANDROID__
1075         m_cache_hold_aux1 = g_settings->getBool("fast_move")
1076                         && client->checkPrivilege("fast");
1077 #endif
1078
1079         irr::core::dimension2d<u32> previous_screen_size(g_settings->getU16("screen_w"),
1080                 g_settings->getU16("screen_h"));
1081
1082         while (RenderingEngine::run()
1083                         && !(*kill || g_gamecallback->shutdown_requested
1084                         || (server && server->isShutdownRequested()))) {
1085
1086                 const irr::core::dimension2d<u32> &current_screen_size =
1087                         RenderingEngine::get_video_driver()->getScreenSize();
1088                 // Verify if window size has changed and save it if it's the case
1089                 // Ensure evaluating settings->getBool after verifying screensize
1090                 // First condition is cheaper
1091                 if (previous_screen_size != current_screen_size &&
1092                                 current_screen_size != irr::core::dimension2d<u32>(0,0) &&
1093                                 g_settings->getBool("autosave_screensize")) {
1094                         g_settings->setU16("screen_w", current_screen_size.Width);
1095                         g_settings->setU16("screen_h", current_screen_size.Height);
1096                         previous_screen_size = current_screen_size;
1097                 }
1098
1099                 // Calculate dtime =
1100                 //    RenderingEngine::run() from this iteration
1101                 //  + Sleep time until the wanted FPS are reached
1102                 limitFps(&draw_times, &dtime);
1103
1104                 // Prepare render data for next iteration
1105
1106                 updateStats(&stats, draw_times, dtime);
1107                 updateInteractTimers(dtime);
1108
1109                 if (!checkConnection())
1110                         break;
1111                 if (!handleCallbacks())
1112                         break;
1113
1114                 processQueues();
1115
1116                 m_game_ui->clearInfoText();
1117                 hud->resizeHotbar();
1118
1119                 updateProfilers(stats, draw_times, dtime);
1120                 processUserInput(dtime);
1121                 // Update camera before player movement to avoid camera lag of one frame
1122                 updateCameraDirection(&cam_view_target, dtime);
1123                 cam_view.camera_yaw += (cam_view_target.camera_yaw -
1124                                 cam_view.camera_yaw) * m_cache_cam_smoothing;
1125                 cam_view.camera_pitch += (cam_view_target.camera_pitch -
1126                                 cam_view.camera_pitch) * m_cache_cam_smoothing;
1127                 updatePlayerControl(cam_view);
1128                 step(&dtime);
1129                 processClientEvents(&cam_view_target);
1130                 updateCamera(draw_times.busy_time, dtime);
1131                 updateSound(dtime);
1132                 processPlayerInteraction(dtime, m_game_ui->m_flags.show_hud,
1133                         m_game_ui->m_flags.show_debug);
1134                 updateFrame(&graph, &stats, dtime, cam_view);
1135                 updateProfilerGraphs(&graph);
1136
1137                 // Update if minimap has been disabled by the server
1138                 m_game_ui->m_flags.show_minimap &= client->shouldShowMinimap();
1139
1140                 if (m_does_lost_focus_pause_game && !device->isWindowFocused() && !isMenuActive()) {
1141                         showPauseMenu();
1142                 }
1143         }
1144 }
1145
1146
1147 void Game::shutdown()
1148 {
1149         RenderingEngine::finalize();
1150 #if IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR <= 8
1151         if (g_settings->get("3d_mode") == "pageflip") {
1152                 driver->setRenderTarget(irr::video::ERT_STEREO_BOTH_BUFFERS);
1153         }
1154 #endif
1155         auto formspec = m_game_ui->getFormspecGUI();
1156         if (formspec)
1157                 formspec->quitMenu();
1158
1159         showOverlayMessage(N_("Shutting down..."), 0, 0, false);
1160
1161         if (clouds)
1162                 clouds->drop();
1163
1164         if (gui_chat_console)
1165                 gui_chat_console->drop();
1166
1167         if (sky)
1168                 sky->drop();
1169
1170         /* cleanup menus */
1171         while (g_menumgr.menuCount() > 0) {
1172                 g_menumgr.m_stack.front()->setVisible(false);
1173                 g_menumgr.deletingMenu(g_menumgr.m_stack.front());
1174         }
1175
1176         m_game_ui->deleteFormspec();
1177
1178         chat_backend->addMessage(L"", L"# Disconnected.");
1179         chat_backend->addMessage(L"", L"");
1180
1181         if (client) {
1182                 client->Stop();
1183                 while (!client->isShutdown()) {
1184                         assert(texture_src != NULL);
1185                         assert(shader_src != NULL);
1186                         texture_src->processQueue();
1187                         shader_src->processQueue();
1188                         sleep_ms(100);
1189                 }
1190         }
1191 }
1192
1193
1194 /****************************************************************************/
1195 /****************************************************************************
1196  Startup
1197  ****************************************************************************/
1198 /****************************************************************************/
1199
1200 bool Game::init(
1201                 const std::string &map_dir,
1202                 std::string *address,
1203                 u16 port,
1204                 const SubgameSpec &gamespec)
1205 {
1206         texture_src = createTextureSource();
1207
1208         showOverlayMessage(N_("Loading..."), 0, 0);
1209
1210         shader_src = createShaderSource();
1211
1212         itemdef_manager = createItemDefManager();
1213         nodedef_manager = createNodeDefManager();
1214
1215         eventmgr = new EventManager();
1216         quicktune = new QuicktuneShortcutter();
1217
1218         if (!(texture_src && shader_src && itemdef_manager && nodedef_manager
1219                         && eventmgr && quicktune))
1220                 return false;
1221
1222         if (!initSound())
1223                 return false;
1224
1225         // Create a server if not connecting to an existing one
1226         if (address->empty()) {
1227                 if (!createSingleplayerServer(map_dir, gamespec, port, address))
1228                         return false;
1229         }
1230
1231         return true;
1232 }
1233
1234 bool Game::initSound()
1235 {
1236 #if USE_SOUND
1237         if (g_settings->getBool("enable_sound")) {
1238                 infostream << "Attempting to use OpenAL audio" << std::endl;
1239                 sound = createOpenALSoundManager(g_sound_manager_singleton.get(), &soundfetcher);
1240                 if (!sound)
1241                         infostream << "Failed to initialize OpenAL audio" << std::endl;
1242         } else
1243                 infostream << "Sound disabled." << std::endl;
1244 #endif
1245
1246         if (!sound) {
1247                 infostream << "Using dummy audio." << std::endl;
1248                 sound = &dummySoundManager;
1249                 sound_is_dummy = true;
1250         }
1251
1252         soundmaker = new SoundMaker(sound, nodedef_manager);
1253         if (!soundmaker)
1254                 return false;
1255
1256         soundmaker->registerReceiver(eventmgr);
1257
1258         return true;
1259 }
1260
1261 bool Game::createSingleplayerServer(const std::string &map_dir,
1262                 const SubgameSpec &gamespec, u16 port, std::string *address)
1263 {
1264         showOverlayMessage(N_("Creating server..."), 0, 5);
1265
1266         std::string bind_str = g_settings->get("bind_address");
1267         Address bind_addr(0, 0, 0, 0, port);
1268
1269         if (g_settings->getBool("ipv6_server")) {
1270                 bind_addr.setAddress((IPv6AddressBytes *) NULL);
1271         }
1272
1273         try {
1274                 bind_addr.Resolve(bind_str.c_str());
1275         } catch (ResolveError &e) {
1276                 infostream << "Resolving bind address \"" << bind_str
1277                            << "\" failed: " << e.what()
1278                            << " -- Listening on all addresses." << std::endl;
1279         }
1280
1281         if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1282                 *error_message = "Unable to listen on " +
1283                                 bind_addr.serializeString() +
1284                                 " because IPv6 is disabled";
1285                 errorstream << *error_message << std::endl;
1286                 return false;
1287         }
1288
1289         server = new Server(map_dir, gamespec, simple_singleplayer_mode, bind_addr, false);
1290         server->init();
1291         server->start();
1292
1293         return true;
1294 }
1295
1296 bool Game::createClient(const std::string &playername,
1297                 const std::string &password, std::string *address, u16 port)
1298 {
1299         showOverlayMessage(N_("Creating client..."), 0, 10);
1300
1301         draw_control = new MapDrawControl;
1302         if (!draw_control)
1303                 return false;
1304
1305         bool could_connect, connect_aborted;
1306 #ifdef HAVE_TOUCHSCREENGUI
1307         if (g_touchscreengui) {
1308                 g_touchscreengui->init(texture_src);
1309                 g_touchscreengui->hide();
1310         }
1311 #endif
1312         if (!connectToServer(playername, password, address, port,
1313                         &could_connect, &connect_aborted))
1314                 return false;
1315
1316         if (!could_connect) {
1317                 if (error_message->empty() && !connect_aborted) {
1318                         // Should not happen if error messages are set properly
1319                         *error_message = "Connection failed for unknown reason";
1320                         errorstream << *error_message << std::endl;
1321                 }
1322                 return false;
1323         }
1324
1325         if (!getServerContent(&connect_aborted)) {
1326                 if (error_message->empty() && !connect_aborted) {
1327                         // Should not happen if error messages are set properly
1328                         *error_message = "Connection failed for unknown reason";
1329                         errorstream << *error_message << std::endl;
1330                 }
1331                 return false;
1332         }
1333
1334         GameGlobalShaderConstantSetterFactory *scsf = new GameGlobalShaderConstantSetterFactory(
1335                         &m_flags.force_fog_off, &runData.fog_range, client);
1336         shader_src->addShaderConstantSetterFactory(scsf);
1337
1338         // Update cached textures, meshes and materials
1339         client->afterContentReceived();
1340
1341         /* Camera
1342          */
1343         camera = new Camera(*draw_control, client);
1344         if (!camera || !camera->successfullyCreated(*error_message))
1345                 return false;
1346         client->setCamera(camera);
1347
1348         /* Clouds
1349          */
1350         if (m_cache_enable_clouds) {
1351                 clouds = new Clouds(smgr, -1, time(0));
1352                 if (!clouds) {
1353                         *error_message = "Memory allocation error (clouds)";
1354                         errorstream << *error_message << std::endl;
1355                         return false;
1356                 }
1357         }
1358
1359         /* Skybox
1360          */
1361         sky = new Sky(-1, texture_src);
1362         scsf->setSky(sky);
1363         skybox = NULL;  // This is used/set later on in the main run loop
1364
1365         if (!sky) {
1366                 *error_message = "Memory allocation error sky";
1367                 errorstream << *error_message << std::endl;
1368                 return false;
1369         }
1370
1371         /* Pre-calculated values
1372          */
1373         video::ITexture *t = texture_src->getTexture("crack_anylength.png");
1374         if (t) {
1375                 v2u32 size = t->getOriginalSize();
1376                 crack_animation_length = size.Y / size.X;
1377         } else {
1378                 crack_animation_length = 5;
1379         }
1380
1381         if (!initGui())
1382                 return false;
1383
1384         /* Set window caption
1385          */
1386         std::wstring str = utf8_to_wide(PROJECT_NAME_C);
1387         str += L" ";
1388         str += utf8_to_wide(g_version_hash);
1389         str += L" [";
1390         str += driver->getName();
1391         str += L"]";
1392         device->setWindowCaption(str.c_str());
1393
1394         LocalPlayer *player = client->getEnv().getLocalPlayer();
1395         player->hurt_tilt_timer = 0;
1396         player->hurt_tilt_strength = 0;
1397
1398         hud = new Hud(guienv, client, player, &player->inventory);
1399
1400         if (!hud) {
1401                 *error_message = "Memory error: could not create HUD";
1402                 errorstream << *error_message << std::endl;
1403                 return false;
1404         }
1405
1406         mapper = client->getMinimap();
1407         if (mapper)
1408                 mapper->setMinimapMode(MINIMAP_MODE_OFF);
1409
1410         return true;
1411 }
1412
1413 bool Game::initGui()
1414 {
1415         m_game_ui->init();
1416
1417         // Remove stale "recent" chat messages from previous connections
1418         chat_backend->clearRecentChat();
1419
1420         // Make sure the size of the recent messages buffer is right
1421         chat_backend->applySettings();
1422
1423         // Chat backend and console
1424         gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(),
1425                         -1, chat_backend, client, &g_menumgr);
1426         if (!gui_chat_console) {
1427                 *error_message = "Could not allocate memory for chat console";
1428                 errorstream << *error_message << std::endl;
1429                 return false;
1430         }
1431
1432 #ifdef HAVE_TOUCHSCREENGUI
1433
1434         if (g_touchscreengui)
1435                 g_touchscreengui->show();
1436
1437 #endif
1438
1439         return true;
1440 }
1441
1442 bool Game::connectToServer(const std::string &playername,
1443                 const std::string &password, std::string *address, u16 port,
1444                 bool *connect_ok, bool *connection_aborted)
1445 {
1446         *connect_ok = false;    // Let's not be overly optimistic
1447         *connection_aborted = false;
1448         bool local_server_mode = false;
1449
1450         showOverlayMessage(N_("Resolving address..."), 0, 15);
1451
1452         Address connect_address(0, 0, 0, 0, port);
1453
1454         try {
1455                 connect_address.Resolve(address->c_str());
1456
1457                 if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
1458                         //connect_address.Resolve("localhost");
1459                         if (connect_address.isIPv6()) {
1460                                 IPv6AddressBytes addr_bytes;
1461                                 addr_bytes.bytes[15] = 1;
1462                                 connect_address.setAddress(&addr_bytes);
1463                         } else {
1464                                 connect_address.setAddress(127, 0, 0, 1);
1465                         }
1466                         local_server_mode = true;
1467                 }
1468         } catch (ResolveError &e) {
1469                 *error_message = std::string("Couldn't resolve address: ") + e.what();
1470                 errorstream << *error_message << std::endl;
1471                 return false;
1472         }
1473
1474         if (connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1475                 *error_message = "Unable to connect to " +
1476                                 connect_address.serializeString() +
1477                                 " because IPv6 is disabled";
1478                 errorstream << *error_message << std::endl;
1479                 return false;
1480         }
1481
1482         client = new Client(playername.c_str(), password, *address,
1483                         *draw_control, texture_src, shader_src,
1484                         itemdef_manager, nodedef_manager, sound, eventmgr,
1485                         connect_address.isIPv6(), m_game_ui.get());
1486
1487         if (!client)
1488                 return false;
1489
1490         client->m_simple_singleplayer_mode = simple_singleplayer_mode;
1491
1492         infostream << "Connecting to server at ";
1493         connect_address.print(&infostream);
1494         infostream << std::endl;
1495
1496         client->connect(connect_address,
1497                 simple_singleplayer_mode || local_server_mode);
1498
1499         /*
1500                 Wait for server to accept connection
1501         */
1502
1503         try {
1504                 input->clear();
1505
1506                 FpsControl fps_control = { 0 };
1507                 f32 dtime;
1508                 f32 wait_time = 0; // in seconds
1509
1510                 fps_control.last_time = RenderingEngine::get_timer_time();
1511
1512                 while (RenderingEngine::run()) {
1513
1514                         limitFps(&fps_control, &dtime);
1515
1516                         // Update client and server
1517                         client->step(dtime);
1518
1519                         if (server != NULL)
1520                                 server->step(dtime);
1521
1522                         // End condition
1523                         if (client->getState() == LC_Init) {
1524                                 *connect_ok = true;
1525                                 break;
1526                         }
1527
1528                         // Break conditions
1529                         if (*connection_aborted)
1530                                 break;
1531
1532                         if (client->accessDenied()) {
1533                                 *error_message = "Access denied. Reason: "
1534                                                 + client->accessDeniedReason();
1535                                 *reconnect_requested = client->reconnectRequested();
1536                                 errorstream << *error_message << std::endl;
1537                                 break;
1538                         }
1539
1540                         if (input->cancelPressed()) {
1541                                 *connection_aborted = true;
1542                                 infostream << "Connect aborted [Escape]" << std::endl;
1543                                 break;
1544                         }
1545
1546                         if (client->m_is_registration_confirmation_state) {
1547                                 if (registration_confirmation_shown) {
1548                                         // Keep drawing the GUI
1549                                         RenderingEngine::draw_menu_scene(guienv, dtime, true);
1550                                 } else {
1551                                         registration_confirmation_shown = true;
1552                                         (new GUIConfirmRegistration(guienv, guienv->getRootGUIElement(), -1,
1553                                                    &g_menumgr, client, playername, password, connection_aborted))->drop();
1554                                 }
1555                         } else {
1556                                 wait_time += dtime;
1557                                 // Only time out if we aren't waiting for the server we started
1558                                 if (!address->empty() && wait_time > 10) {
1559                                         *error_message = "Connection timed out.";
1560                                         errorstream << *error_message << std::endl;
1561                                         break;
1562                                 }
1563
1564                                 // Update status
1565                                 showOverlayMessage(N_("Connecting to server..."), dtime, 20);
1566                         }
1567                 }
1568         } catch (con::PeerNotFoundException &e) {
1569                 // TODO: Should something be done here? At least an info/error
1570                 // message?
1571                 return false;
1572         }
1573
1574         return true;
1575 }
1576
1577 bool Game::getServerContent(bool *aborted)
1578 {
1579         input->clear();
1580
1581         FpsControl fps_control = { 0 };
1582         f32 dtime; // in seconds
1583
1584         fps_control.last_time = RenderingEngine::get_timer_time();
1585
1586         while (RenderingEngine::run()) {
1587
1588                 limitFps(&fps_control, &dtime);
1589
1590                 // Update client and server
1591                 client->step(dtime);
1592
1593                 if (server != NULL)
1594                         server->step(dtime);
1595
1596                 // End condition
1597                 if (client->mediaReceived() && client->itemdefReceived() &&
1598                                 client->nodedefReceived()) {
1599                         break;
1600                 }
1601
1602                 // Error conditions
1603                 if (!checkConnection())
1604                         return false;
1605
1606                 if (client->getState() < LC_Init) {
1607                         *error_message = "Client disconnected";
1608                         errorstream << *error_message << std::endl;
1609                         return false;
1610                 }
1611
1612                 if (input->cancelPressed()) {
1613                         *aborted = true;
1614                         infostream << "Connect aborted [Escape]" << std::endl;
1615                         return false;
1616                 }
1617
1618                 // Display status
1619                 int progress = 25;
1620
1621                 if (!client->itemdefReceived()) {
1622                         const wchar_t *text = wgettext("Item definitions...");
1623                         progress = 25;
1624                         RenderingEngine::draw_load_screen(text, guienv, texture_src,
1625                                 dtime, progress);
1626                         delete[] text;
1627                 } else if (!client->nodedefReceived()) {
1628                         const wchar_t *text = wgettext("Node definitions...");
1629                         progress = 30;
1630                         RenderingEngine::draw_load_screen(text, guienv, texture_src,
1631                                 dtime, progress);
1632                         delete[] text;
1633                 } else {
1634                         std::stringstream message;
1635                         std::fixed(message);
1636                         message.precision(0);
1637                         message << gettext("Media...") << " " << (client->mediaReceiveProgress()*100) << "%";
1638                         message.precision(2);
1639
1640                         if ((USE_CURL == 0) ||
1641                                         (!g_settings->getBool("enable_remote_media_server"))) {
1642                                 float cur = client->getCurRate();
1643                                 std::string cur_unit = gettext("KiB/s");
1644
1645                                 if (cur > 900) {
1646                                         cur /= 1024.0;
1647                                         cur_unit = gettext("MiB/s");
1648                                 }
1649
1650                                 message << " (" << cur << ' ' << cur_unit << ")";
1651                         }
1652
1653                         progress = 30 + client->mediaReceiveProgress() * 35 + 0.5;
1654                         RenderingEngine::draw_load_screen(utf8_to_wide(message.str()), guienv,
1655                                 texture_src, dtime, progress);
1656                 }
1657         }
1658
1659         return true;
1660 }
1661
1662
1663 /****************************************************************************/
1664 /****************************************************************************
1665  Run
1666  ****************************************************************************/
1667 /****************************************************************************/
1668
1669 inline void Game::updateInteractTimers(f32 dtime)
1670 {
1671         if (runData.nodig_delay_timer >= 0)
1672                 runData.nodig_delay_timer -= dtime;
1673
1674         if (runData.object_hit_delay_timer >= 0)
1675                 runData.object_hit_delay_timer -= dtime;
1676
1677         runData.time_from_last_punch += dtime;
1678 }
1679
1680
1681 /* returns false if game should exit, otherwise true
1682  */
1683 inline bool Game::checkConnection()
1684 {
1685         if (client->accessDenied()) {
1686                 *error_message = "Access denied. Reason: "
1687                                 + client->accessDeniedReason();
1688                 *reconnect_requested = client->reconnectRequested();
1689                 errorstream << *error_message << std::endl;
1690                 return false;
1691         }
1692
1693         return true;
1694 }
1695
1696
1697 /* returns false if game should exit, otherwise true
1698  */
1699 inline bool Game::handleCallbacks()
1700 {
1701         if (g_gamecallback->disconnect_requested) {
1702                 g_gamecallback->disconnect_requested = false;
1703                 return false;
1704         }
1705
1706         if (g_gamecallback->changepassword_requested) {
1707                 (new GUIPasswordChange(guienv, guiroot, -1,
1708                                        &g_menumgr, client))->drop();
1709                 g_gamecallback->changepassword_requested = false;
1710         }
1711
1712         if (g_gamecallback->changevolume_requested) {
1713                 (new GUIVolumeChange(guienv, guiroot, -1,
1714                                      &g_menumgr))->drop();
1715                 g_gamecallback->changevolume_requested = false;
1716         }
1717
1718         if (g_gamecallback->keyconfig_requested) {
1719                 (new GUIKeyChangeMenu(guienv, guiroot, -1,
1720                                       &g_menumgr))->drop();
1721                 g_gamecallback->keyconfig_requested = false;
1722         }
1723
1724         if (g_gamecallback->keyconfig_changed) {
1725                 input->keycache.populate(); // update the cache with new settings
1726                 g_gamecallback->keyconfig_changed = false;
1727         }
1728
1729         return true;
1730 }
1731
1732
1733 void Game::processQueues()
1734 {
1735         texture_src->processQueue();
1736         itemdef_manager->processQueue(client);
1737         shader_src->processQueue();
1738 }
1739
1740
1741 void Game::updateProfilers(const RunStats &stats, const FpsControl &draw_times,
1742                 f32 dtime)
1743 {
1744         float profiler_print_interval =
1745                         g_settings->getFloat("profiler_print_interval");
1746         bool print_to_log = true;
1747
1748         if (profiler_print_interval == 0) {
1749                 print_to_log = false;
1750                 profiler_print_interval = 3;
1751         }
1752
1753         if (profiler_interval.step(dtime, profiler_print_interval)) {
1754                 if (print_to_log) {
1755                         infostream << "Profiler:" << std::endl;
1756                         g_profiler->print(infostream);
1757                 }
1758
1759                 m_game_ui->updateProfiler();
1760                 g_profiler->clear();
1761         }
1762
1763         // Update update graphs
1764         g_profiler->graphAdd("Time non-rendering [ms]",
1765                 draw_times.busy_time - stats.drawtime);
1766
1767         g_profiler->graphAdd("Sleep [ms]", draw_times.sleep_time);
1768         g_profiler->graphAdd("FPS", 1.0f / dtime);
1769 }
1770
1771 void Game::updateStats(RunStats *stats, const FpsControl &draw_times,
1772                 f32 dtime)
1773 {
1774
1775         f32 jitter;
1776         Jitter *jp;
1777
1778         /* Time average and jitter calculation
1779          */
1780         jp = &stats->dtime_jitter;
1781         jp->avg = jp->avg * 0.96 + dtime * 0.04;
1782
1783         jitter = dtime - jp->avg;
1784
1785         if (jitter > jp->max)
1786                 jp->max = jitter;
1787
1788         jp->counter += dtime;
1789
1790         if (jp->counter > 0.0) {
1791                 jp->counter -= 3.0;
1792                 jp->max_sample = jp->max;
1793                 jp->max_fraction = jp->max_sample / (jp->avg + 0.001);
1794                 jp->max = 0.0;
1795         }
1796
1797         /* Busytime average and jitter calculation
1798          */
1799         jp = &stats->busy_time_jitter;
1800         jp->avg = jp->avg + draw_times.busy_time * 0.02;
1801
1802         jitter = draw_times.busy_time - jp->avg;
1803
1804         if (jitter > jp->max)
1805                 jp->max = jitter;
1806         if (jitter < jp->min)
1807                 jp->min = jitter;
1808
1809         jp->counter += dtime;
1810
1811         if (jp->counter > 0.0) {
1812                 jp->counter -= 3.0;
1813                 jp->max_sample = jp->max;
1814                 jp->min_sample = jp->min;
1815                 jp->max = 0.0;
1816                 jp->min = 0.0;
1817         }
1818 }
1819
1820
1821
1822 /****************************************************************************
1823  Input handling
1824  ****************************************************************************/
1825
1826 void Game::processUserInput(f32 dtime)
1827 {
1828         // Reset input if window not active or some menu is active
1829         if (!device->isWindowActive() || isMenuActive() || guienv->hasFocus(gui_chat_console)) {
1830                 input->clear();
1831 #ifdef HAVE_TOUCHSCREENGUI
1832                 g_touchscreengui->hide();
1833 #endif
1834         }
1835 #ifdef HAVE_TOUCHSCREENGUI
1836         else if (g_touchscreengui) {
1837                 /* on touchscreengui step may generate own input events which ain't
1838                  * what we want in case we just did clear them */
1839                 g_touchscreengui->step(dtime);
1840         }
1841 #endif
1842
1843         if (!guienv->hasFocus(gui_chat_console) && gui_chat_console->isOpen()) {
1844                 gui_chat_console->closeConsoleAtOnce();
1845         }
1846
1847         // Input handler step() (used by the random input generator)
1848         input->step(dtime);
1849
1850 #ifdef __ANDROID__
1851         auto formspec = m_game_ui->getFormspecGUI();
1852         if (formspec)
1853                 formspec->getAndroidUIInput();
1854         else
1855                 handleAndroidChatInput();
1856 #endif
1857
1858         // Increase timer for double tap of "keymap_jump"
1859         if (m_cache_doubletap_jump && runData.jump_timer <= 0.2f)
1860                 runData.jump_timer += dtime;
1861
1862         processKeyInput();
1863         processItemSelection(&runData.new_playeritem);
1864 }
1865
1866
1867 void Game::processKeyInput()
1868 {
1869         if (wasKeyDown(KeyType::DROP)) {
1870                 dropSelectedItem(isKeyDown(KeyType::SNEAK));
1871         } else if (wasKeyDown(KeyType::AUTOFORWARD)) {
1872                 toggleAutoforward();
1873         } else if (wasKeyDown(KeyType::BACKWARD)) {
1874                 if (g_settings->getBool("continuous_forward"))
1875                         toggleAutoforward();
1876         } else if (wasKeyDown(KeyType::INVENTORY)) {
1877                 openInventory();
1878         } else if (input->cancelPressed()) {
1879 #ifdef __ANDROID__
1880                 m_android_chat_open = false;
1881 #endif
1882                 if (!gui_chat_console->isOpenInhibited()) {
1883                         showPauseMenu();
1884                 }
1885         } else if (wasKeyDown(KeyType::CHAT)) {
1886                 openConsole(0.2, L"");
1887         } else if (wasKeyDown(KeyType::CMD)) {
1888                 openConsole(0.2, L"/");
1889         } else if (wasKeyDown(KeyType::CMD_LOCAL)) {
1890                 if (client->modsLoaded())
1891                         openConsole(0.2, L".");
1892                 else
1893                         m_game_ui->showStatusText(wgettext("Client side scripting is disabled"));
1894         } else if (wasKeyDown(KeyType::CONSOLE)) {
1895                 openConsole(core::clamp(g_settings->getFloat("console_height"), 0.1f, 1.0f));
1896         } else if (wasKeyDown(KeyType::FREEMOVE)) {
1897                 toggleFreeMove();
1898         } else if (wasKeyDown(KeyType::JUMP)) {
1899                 toggleFreeMoveAlt();
1900         } else if (wasKeyDown(KeyType::PITCHMOVE)) {
1901                 togglePitchMove();
1902         } else if (wasKeyDown(KeyType::FASTMOVE)) {
1903                 toggleFast();
1904         } else if (wasKeyDown(KeyType::NOCLIP)) {
1905                 toggleNoClip();
1906         } else if (wasKeyDown(KeyType::MUTE)) {
1907                 bool new_mute_sound = !g_settings->getBool("mute_sound");
1908                 g_settings->setBool("mute_sound", new_mute_sound);
1909                 if (new_mute_sound)
1910                         m_game_ui->showTranslatedStatusText("Sound muted");
1911                 else
1912                         m_game_ui->showTranslatedStatusText("Sound unmuted");
1913         } else if (wasKeyDown(KeyType::INC_VOLUME)) {
1914                 float new_volume = rangelim(g_settings->getFloat("sound_volume") + 0.1f, 0.0f, 1.0f);
1915                 wchar_t buf[100];
1916                 g_settings->setFloat("sound_volume", new_volume);
1917                 const wchar_t *str = wgettext("Volume changed to %d%%");
1918                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, myround(new_volume * 100));
1919                 delete[] str;
1920                 m_game_ui->showStatusText(buf);
1921         } else if (wasKeyDown(KeyType::DEC_VOLUME)) {
1922                 float new_volume = rangelim(g_settings->getFloat("sound_volume") - 0.1f, 0.0f, 1.0f);
1923                 wchar_t buf[100];
1924                 g_settings->setFloat("sound_volume", new_volume);
1925                 const wchar_t *str = wgettext("Volume changed to %d%%");
1926                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, myround(new_volume * 100));
1927                 delete[] str;
1928                 m_game_ui->showStatusText(buf);
1929         } else if (wasKeyDown(KeyType::CINEMATIC)) {
1930                 toggleCinematic();
1931         } else if (wasKeyDown(KeyType::SCREENSHOT)) {
1932                 client->makeScreenshot();
1933         } else if (wasKeyDown(KeyType::TOGGLE_HUD)) {
1934                 m_game_ui->toggleHud();
1935         } else if (wasKeyDown(KeyType::MINIMAP)) {
1936                 toggleMinimap(isKeyDown(KeyType::SNEAK));
1937         } else if (wasKeyDown(KeyType::TOGGLE_CHAT)) {
1938                 m_game_ui->toggleChat();
1939         } else if (wasKeyDown(KeyType::TOGGLE_FOG)) {
1940                 toggleFog();
1941         } else if (wasKeyDown(KeyType::TOGGLE_UPDATE_CAMERA)) {
1942                 toggleUpdateCamera();
1943         } else if (wasKeyDown(KeyType::TOGGLE_DEBUG)) {
1944                 toggleDebug();
1945         } else if (wasKeyDown(KeyType::TOGGLE_PROFILER)) {
1946                 m_game_ui->toggleProfiler();
1947         } else if (wasKeyDown(KeyType::INCREASE_VIEWING_RANGE)) {
1948                 increaseViewRange();
1949         } else if (wasKeyDown(KeyType::DECREASE_VIEWING_RANGE)) {
1950                 decreaseViewRange();
1951         } else if (wasKeyDown(KeyType::RANGESELECT)) {
1952                 toggleFullViewRange();
1953         } else if (wasKeyDown(KeyType::ZOOM)) {
1954                 checkZoomEnabled();
1955         } else if (wasKeyDown(KeyType::QUICKTUNE_NEXT)) {
1956                 quicktune->next();
1957         } else if (wasKeyDown(KeyType::QUICKTUNE_PREV)) {
1958                 quicktune->prev();
1959         } else if (wasKeyDown(KeyType::QUICKTUNE_INC)) {
1960                 quicktune->inc();
1961         } else if (wasKeyDown(KeyType::QUICKTUNE_DEC)) {
1962                 quicktune->dec();
1963         }
1964
1965         if (!isKeyDown(KeyType::JUMP) && runData.reset_jump_timer) {
1966                 runData.reset_jump_timer = false;
1967                 runData.jump_timer = 0.0f;
1968         }
1969
1970         if (quicktune->hasMessage()) {
1971                 m_game_ui->showStatusText(utf8_to_wide(quicktune->getMessage()));
1972         }
1973 }
1974
1975 void Game::processItemSelection(u16 *new_playeritem)
1976 {
1977         LocalPlayer *player = client->getEnv().getLocalPlayer();
1978
1979         /* Item selection using mouse wheel
1980          */
1981         *new_playeritem = player->getWieldIndex();
1982
1983         s32 wheel = input->getMouseWheel();
1984         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE - 1,
1985                     player->hud_hotbar_itemcount - 1);
1986
1987         s32 dir = wheel;
1988
1989         if (input->joystick.wasKeyDown(KeyType::SCROLL_DOWN) ||
1990                         wasKeyDown(KeyType::HOTBAR_NEXT)) {
1991                 dir = -1;
1992         }
1993
1994         if (input->joystick.wasKeyDown(KeyType::SCROLL_UP) ||
1995                         wasKeyDown(KeyType::HOTBAR_PREV)) {
1996                 dir = 1;
1997         }
1998
1999         if (dir < 0)
2000                 *new_playeritem = *new_playeritem < max_item ? *new_playeritem + 1 : 0;
2001         else if (dir > 0)
2002                 *new_playeritem = *new_playeritem > 0 ? *new_playeritem - 1 : max_item;
2003         // else dir == 0
2004
2005         /* Item selection using hotbar slot keys
2006          */
2007         for (u16 i = 0; i <= max_item; i++) {
2008                 if (wasKeyDown((GameKeyType) (KeyType::SLOT_1 + i))) {
2009                         *new_playeritem = i;
2010                         infostream << "Selected item: " << new_playeritem << std::endl;
2011                         break;
2012                 }
2013         }
2014 }
2015
2016
2017 void Game::dropSelectedItem(bool single_item)
2018 {
2019         IDropAction *a = new IDropAction();
2020         a->count = single_item ? 1 : 0;
2021         a->from_inv.setCurrentPlayer();
2022         a->from_list = "main";
2023         a->from_i = client->getEnv().getLocalPlayer()->getWieldIndex();
2024         client->inventoryAction(a);
2025 }
2026
2027
2028 void Game::openInventory()
2029 {
2030         /*
2031          * Don't permit to open inventory is CAO or player doesn't exists.
2032          * This prevent showing an empty inventory at player load
2033          */
2034
2035         LocalPlayer *player = client->getEnv().getLocalPlayer();
2036         if (!player || !player->getCAO())
2037                 return;
2038
2039         infostream << "the_game: " << "Launching inventory" << std::endl;
2040
2041         PlayerInventoryFormSource *fs_src = new PlayerInventoryFormSource(client);
2042
2043         InventoryLocation inventoryloc;
2044         inventoryloc.setCurrentPlayer();
2045
2046         if (!client->modsLoaded()
2047                         || !client->getScript()->on_inventory_open(fs_src->m_client->getInventory(inventoryloc))) {
2048                 TextDest *txt_dst = new TextDestPlayerInventory(client);
2049                 auto *&formspec = m_game_ui->updateFormspec("");
2050                 GUIFormSpecMenu::create(formspec, client, &input->joystick, fs_src,
2051                         txt_dst, client->getFormspecPrepend());
2052
2053                 formspec->setFormSpec(fs_src->getForm(), inventoryloc);
2054         }
2055 }
2056
2057
2058 void Game::openConsole(float scale, const wchar_t *line)
2059 {
2060         assert(scale > 0.0f && scale <= 1.0f);
2061
2062 #ifdef __ANDROID__
2063         porting::showInputDialog(gettext("ok"), "", "", 2);
2064         m_android_chat_open = true;
2065 #else
2066         if (gui_chat_console->isOpenInhibited())
2067                 return;
2068         gui_chat_console->openConsole(scale);
2069         if (line) {
2070                 gui_chat_console->setCloseOnEnter(true);
2071                 gui_chat_console->replaceAndAddToHistory(line);
2072         }
2073 #endif
2074 }
2075
2076 #ifdef __ANDROID__
2077 void Game::handleAndroidChatInput()
2078 {
2079         if (m_android_chat_open && porting::getInputDialogState() == 0) {
2080                 std::string text = porting::getInputDialogValue();
2081                 client->typeChatMessage(utf8_to_wide(text));
2082                 m_android_chat_open = false;
2083         }
2084 }
2085 #endif
2086
2087
2088 void Game::toggleFreeMove()
2089 {
2090         bool free_move = !g_settings->getBool("free_move");
2091         g_settings->set("free_move", bool_to_cstr(free_move));
2092
2093         if (free_move) {
2094                 if (client->checkPrivilege("fly")) {
2095                         m_game_ui->showTranslatedStatusText("Fly mode enabled");
2096                 } else {
2097                         m_game_ui->showTranslatedStatusText("Fly mode enabled (note: no 'fly' privilege)");
2098                 }
2099         } else {
2100                 m_game_ui->showTranslatedStatusText("Fly mode disabled");
2101         }
2102 }
2103
2104 void Game::toggleFreeMoveAlt()
2105 {
2106         if (m_cache_doubletap_jump && runData.jump_timer < 0.2f)
2107                 toggleFreeMove();
2108
2109         runData.reset_jump_timer = true;
2110 }
2111
2112
2113 void Game::togglePitchMove()
2114 {
2115         bool pitch_move = !g_settings->getBool("pitch_move");
2116         g_settings->set("pitch_move", bool_to_cstr(pitch_move));
2117
2118         if (pitch_move) {
2119                 m_game_ui->showTranslatedStatusText("Pitch move mode enabled");
2120         } else {
2121                 m_game_ui->showTranslatedStatusText("Pitch move mode disabled");
2122         }
2123 }
2124
2125
2126 void Game::toggleFast()
2127 {
2128         bool fast_move = !g_settings->getBool("fast_move");
2129         bool has_fast_privs = client->checkPrivilege("fast");
2130         g_settings->set("fast_move", bool_to_cstr(fast_move));
2131
2132         if (fast_move) {
2133                 if (has_fast_privs) {
2134                         m_game_ui->showTranslatedStatusText("Fast mode enabled");
2135                 } else {
2136                         m_game_ui->showTranslatedStatusText("Fast mode enabled (note: no 'fast' privilege)");
2137                 }
2138         } else {
2139                 m_game_ui->showTranslatedStatusText("Fast mode disabled");
2140         }
2141
2142 #ifdef __ANDROID__
2143         m_cache_hold_aux1 = fast_move && has_fast_privs;
2144 #endif
2145 }
2146
2147
2148 void Game::toggleNoClip()
2149 {
2150         bool noclip = !g_settings->getBool("noclip");
2151         g_settings->set("noclip", bool_to_cstr(noclip));
2152
2153         if (noclip) {
2154                 if (client->checkPrivilege("noclip")) {
2155                         m_game_ui->showTranslatedStatusText("Noclip mode enabled");
2156                 } else {
2157                         m_game_ui->showTranslatedStatusText("Noclip mode enabled (note: no 'noclip' privilege)");
2158                 }
2159         } else {
2160                 m_game_ui->showTranslatedStatusText("Noclip mode disabled");
2161         }
2162 }
2163
2164 void Game::toggleCinematic()
2165 {
2166         bool cinematic = !g_settings->getBool("cinematic");
2167         g_settings->set("cinematic", bool_to_cstr(cinematic));
2168
2169         if (cinematic)
2170                 m_game_ui->showTranslatedStatusText("Cinematic mode enabled");
2171         else
2172                 m_game_ui->showTranslatedStatusText("Cinematic mode disabled");
2173 }
2174
2175 // Autoforward by toggling continuous forward.
2176 void Game::toggleAutoforward()
2177 {
2178         bool autorun_enabled = !g_settings->getBool("continuous_forward");
2179         g_settings->set("continuous_forward", bool_to_cstr(autorun_enabled));
2180
2181         if (autorun_enabled)
2182                 m_game_ui->showTranslatedStatusText("Automatic forward enabled");
2183         else
2184                 m_game_ui->showTranslatedStatusText("Automatic forward disabled");
2185 }
2186
2187 void Game::toggleMinimap(bool shift_pressed)
2188 {
2189         if (!mapper || !m_game_ui->m_flags.show_hud || !g_settings->getBool("enable_minimap"))
2190                 return;
2191
2192         if (shift_pressed) {
2193                 mapper->toggleMinimapShape();
2194                 return;
2195         }
2196
2197         u32 hud_flags = client->getEnv().getLocalPlayer()->hud_flags;
2198
2199         MinimapMode mode = MINIMAP_MODE_OFF;
2200         if (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) {
2201                 mode = mapper->getMinimapMode();
2202                 mode = (MinimapMode)((int)mode + 1);
2203                 // If radar is disabled and in, or switching to, radar mode
2204                 if (!(hud_flags & HUD_FLAG_MINIMAP_RADAR_VISIBLE) && mode > 3)
2205                         mode = MINIMAP_MODE_OFF;
2206         }
2207
2208         m_game_ui->m_flags.show_minimap = true;
2209         switch (mode) {
2210                 case MINIMAP_MODE_SURFACEx1:
2211                         m_game_ui->showTranslatedStatusText("Minimap in surface mode, Zoom x1");
2212                         break;
2213                 case MINIMAP_MODE_SURFACEx2:
2214                         m_game_ui->showTranslatedStatusText("Minimap in surface mode, Zoom x2");
2215                         break;
2216                 case MINIMAP_MODE_SURFACEx4:
2217                         m_game_ui->showTranslatedStatusText("Minimap in surface mode, Zoom x4");
2218                         break;
2219                 case MINIMAP_MODE_RADARx1:
2220                         m_game_ui->showTranslatedStatusText("Minimap in radar mode, Zoom x1");
2221                         break;
2222                 case MINIMAP_MODE_RADARx2:
2223                         m_game_ui->showTranslatedStatusText("Minimap in radar mode, Zoom x2");
2224                         break;
2225                 case MINIMAP_MODE_RADARx4:
2226                         m_game_ui->showTranslatedStatusText("Minimap in radar mode, Zoom x4");
2227                         break;
2228                 default:
2229                         mode = MINIMAP_MODE_OFF;
2230                         m_game_ui->m_flags.show_minimap = false;
2231                         if (hud_flags & HUD_FLAG_MINIMAP_VISIBLE)
2232                                 m_game_ui->showTranslatedStatusText("Minimap hidden");
2233                         else
2234                                 m_game_ui->showTranslatedStatusText("Minimap currently disabled by game or mod");
2235         }
2236
2237         mapper->setMinimapMode(mode);
2238 }
2239
2240 void Game::toggleFog()
2241 {
2242         bool fog_enabled = g_settings->getBool("enable_fog");
2243         g_settings->setBool("enable_fog", !fog_enabled);
2244         if (fog_enabled)
2245                 m_game_ui->showTranslatedStatusText("Fog disabled");
2246         else
2247                 m_game_ui->showTranslatedStatusText("Fog enabled");
2248 }
2249
2250
2251 void Game::toggleDebug()
2252 {
2253         // Initial / 4x toggle: Chat only
2254         // 1x toggle: Debug text with chat
2255         // 2x toggle: Debug text with profiler graph
2256         // 3x toggle: Debug text and wireframe
2257         if (!m_game_ui->m_flags.show_debug) {
2258                 m_game_ui->m_flags.show_debug = true;
2259                 m_game_ui->m_flags.show_profiler_graph = false;
2260                 draw_control->show_wireframe = false;
2261                 m_game_ui->showTranslatedStatusText("Debug info shown");
2262         } else if (!m_game_ui->m_flags.show_profiler_graph && !draw_control->show_wireframe) {
2263                 m_game_ui->m_flags.show_profiler_graph = true;
2264                 m_game_ui->showTranslatedStatusText("Profiler graph shown");
2265         } else if (!draw_control->show_wireframe && client->checkPrivilege("debug")) {
2266                 m_game_ui->m_flags.show_profiler_graph = false;
2267                 draw_control->show_wireframe = true;
2268                 m_game_ui->showTranslatedStatusText("Wireframe shown");
2269         } else {
2270                 m_game_ui->m_flags.show_debug = false;
2271                 m_game_ui->m_flags.show_profiler_graph = false;
2272                 draw_control->show_wireframe = false;
2273                 if (client->checkPrivilege("debug")) {
2274                         m_game_ui->showTranslatedStatusText("Debug info, profiler graph, and wireframe hidden");
2275                 } else {
2276                         m_game_ui->showTranslatedStatusText("Debug info and profiler graph hidden");
2277                 }
2278         }
2279 }
2280
2281
2282 void Game::toggleUpdateCamera()
2283 {
2284         m_flags.disable_camera_update = !m_flags.disable_camera_update;
2285         if (m_flags.disable_camera_update)
2286                 m_game_ui->showTranslatedStatusText("Camera update disabled");
2287         else
2288                 m_game_ui->showTranslatedStatusText("Camera update enabled");
2289 }
2290
2291
2292 void Game::increaseViewRange()
2293 {
2294         s16 range = g_settings->getS16("viewing_range");
2295         s16 range_new = range + 10;
2296
2297         wchar_t buf[255];
2298         const wchar_t *str;
2299         if (range_new > 4000) {
2300                 range_new = 4000;
2301                 str = wgettext("Viewing range is at maximum: %d");
2302                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
2303                 delete[] str;
2304                 m_game_ui->showStatusText(buf);
2305
2306         } else {
2307                 str = wgettext("Viewing range changed to %d");
2308                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
2309                 delete[] str;
2310                 m_game_ui->showStatusText(buf);
2311         }
2312         g_settings->set("viewing_range", itos(range_new));
2313 }
2314
2315
2316 void Game::decreaseViewRange()
2317 {
2318         s16 range = g_settings->getS16("viewing_range");
2319         s16 range_new = range - 10;
2320
2321         wchar_t buf[255];
2322         const wchar_t *str;
2323         if (range_new < 20) {
2324                 range_new = 20;
2325                 str = wgettext("Viewing range is at minimum: %d");
2326                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
2327                 delete[] str;
2328                 m_game_ui->showStatusText(buf);
2329         } else {
2330                 str = wgettext("Viewing range changed to %d");
2331                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
2332                 delete[] str;
2333                 m_game_ui->showStatusText(buf);
2334         }
2335         g_settings->set("viewing_range", itos(range_new));
2336 }
2337
2338
2339 void Game::toggleFullViewRange()
2340 {
2341         draw_control->range_all = !draw_control->range_all;
2342         if (draw_control->range_all)
2343                 m_game_ui->showTranslatedStatusText("Enabled unlimited viewing range");
2344         else
2345                 m_game_ui->showTranslatedStatusText("Disabled unlimited viewing range");
2346 }
2347
2348
2349 void Game::checkZoomEnabled()
2350 {
2351         LocalPlayer *player = client->getEnv().getLocalPlayer();
2352         if (player->getZoomFOV() < 0.001f || player->getFov().fov > 0.0f)
2353                 m_game_ui->showTranslatedStatusText("Zoom currently disabled by game or mod");
2354 }
2355
2356
2357 void Game::updateCameraDirection(CameraOrientation *cam, float dtime)
2358 {
2359         if ((device->isWindowActive() && device->isWindowFocused()
2360                         && !isMenuActive()) || random_input) {
2361
2362 #ifndef __ANDROID__
2363                 if (!random_input) {
2364                         // Mac OSX gets upset if this is set every frame
2365                         if (device->getCursorControl()->isVisible())
2366                                 device->getCursorControl()->setVisible(false);
2367                 }
2368 #endif
2369
2370                 if (m_first_loop_after_window_activation) {
2371                         m_first_loop_after_window_activation = false;
2372
2373                         input->setMousePos(driver->getScreenSize().Width / 2,
2374                                 driver->getScreenSize().Height / 2);
2375                 } else {
2376                         updateCameraOrientation(cam, dtime);
2377                 }
2378
2379         } else {
2380
2381 #ifndef ANDROID
2382                 // Mac OSX gets upset if this is set every frame
2383                 if (!device->getCursorControl()->isVisible())
2384                         device->getCursorControl()->setVisible(true);
2385 #endif
2386
2387                 m_first_loop_after_window_activation = true;
2388
2389         }
2390 }
2391
2392 void Game::updateCameraOrientation(CameraOrientation *cam, float dtime)
2393 {
2394 #ifdef HAVE_TOUCHSCREENGUI
2395         if (g_touchscreengui) {
2396                 cam->camera_yaw   += g_touchscreengui->getYawChange();
2397                 cam->camera_pitch  = g_touchscreengui->getPitch();
2398         } else {
2399 #endif
2400                 v2s32 center(driver->getScreenSize().Width / 2, driver->getScreenSize().Height / 2);
2401                 v2s32 dist = input->getMousePos() - center;
2402
2403                 if (m_invert_mouse || camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT) {
2404                         dist.Y = -dist.Y;
2405                 }
2406
2407                 cam->camera_yaw   -= dist.X * m_cache_mouse_sensitivity;
2408                 cam->camera_pitch += dist.Y * m_cache_mouse_sensitivity;
2409
2410                 if (dist.X != 0 || dist.Y != 0)
2411                         input->setMousePos(center.X, center.Y);
2412 #ifdef HAVE_TOUCHSCREENGUI
2413         }
2414 #endif
2415
2416         if (m_cache_enable_joysticks) {
2417                 f32 c = m_cache_joystick_frustum_sensitivity * (1.f / 32767.f) * dtime;
2418                 cam->camera_yaw -= input->joystick.getAxisWithoutDead(JA_FRUSTUM_HORIZONTAL) * c;
2419                 cam->camera_pitch += input->joystick.getAxisWithoutDead(JA_FRUSTUM_VERTICAL) * c;
2420         }
2421
2422         cam->camera_pitch = rangelim(cam->camera_pitch, -89.5, 89.5);
2423 }
2424
2425
2426 void Game::updatePlayerControl(const CameraOrientation &cam)
2427 {
2428         //TimeTaker tt("update player control", NULL, PRECISION_NANO);
2429
2430         // DO NOT use the isKeyDown method for the forward, backward, left, right
2431         // buttons, as the code that uses the controls needs to be able to
2432         // distinguish between the two in order to know when to use joysticks.
2433
2434         PlayerControl control(
2435                 input->isKeyDown(KeyType::FORWARD),
2436                 input->isKeyDown(KeyType::BACKWARD),
2437                 input->isKeyDown(KeyType::LEFT),
2438                 input->isKeyDown(KeyType::RIGHT),
2439                 isKeyDown(KeyType::JUMP),
2440                 isKeyDown(KeyType::SPECIAL1),
2441                 isKeyDown(KeyType::SNEAK),
2442                 isKeyDown(KeyType::ZOOM),
2443                 input->getLeftState(),
2444                 input->getRightState(),
2445                 cam.camera_pitch,
2446                 cam.camera_yaw,
2447                 input->joystick.getAxisWithoutDead(JA_SIDEWARD_MOVE),
2448                 input->joystick.getAxisWithoutDead(JA_FORWARD_MOVE)
2449         );
2450
2451         u32 keypress_bits =
2452                         ( (u32)(isKeyDown(KeyType::FORWARD)                       & 0x1) << 0) |
2453                         ( (u32)(isKeyDown(KeyType::BACKWARD)                      & 0x1) << 1) |
2454                         ( (u32)(isKeyDown(KeyType::LEFT)                          & 0x1) << 2) |
2455                         ( (u32)(isKeyDown(KeyType::RIGHT)                         & 0x1) << 3) |
2456                         ( (u32)(isKeyDown(KeyType::JUMP)                          & 0x1) << 4) |
2457                         ( (u32)(isKeyDown(KeyType::SPECIAL1)                      & 0x1) << 5) |
2458                         ( (u32)(isKeyDown(KeyType::SNEAK)                         & 0x1) << 6) |
2459                         ( (u32)(input->getLeftState()                             & 0x1) << 7) |
2460                         ( (u32)(input->getRightState()                            & 0x1) << 8
2461                 );
2462
2463 #ifdef ANDROID
2464         /* For Android, simulate holding down AUX1 (fast move) if the user has
2465          * the fast_move setting toggled on. If there is an aux1 key defined for
2466          * Android then its meaning is inverted (i.e. holding aux1 means walk and
2467          * not fast)
2468          */
2469         if (m_cache_hold_aux1) {
2470                 control.aux1 = control.aux1 ^ true;
2471                 keypress_bits ^= ((u32)(1U << 5));
2472         }
2473 #endif
2474
2475         LocalPlayer *player = client->getEnv().getLocalPlayer();
2476
2477         // autojump if set: simulate "jump" key
2478         if (player->getAutojump()) {
2479                 control.jump = true;
2480                 keypress_bits |= 1U << 4;
2481         }
2482
2483         // autoforward if set: simulate "up" key
2484         if (player->getPlayerSettings().continuous_forward &&
2485                         client->activeObjectsReceived() && !player->isDead()) {
2486                 control.up = true;
2487                 keypress_bits |= 1U << 0;
2488         }
2489
2490         client->setPlayerControl(control);
2491         player->keyPressed = keypress_bits;
2492
2493         //tt.stop();
2494 }
2495
2496
2497 inline void Game::step(f32 *dtime)
2498 {
2499         bool can_be_and_is_paused =
2500                         (simple_singleplayer_mode && g_menumgr.pausesGame());
2501
2502         if (can_be_and_is_paused) { // This is for a singleplayer server
2503                 *dtime = 0;             // No time passes
2504         } else {
2505                 if (server)
2506                         server->step(*dtime);
2507
2508                 client->step(*dtime);
2509         }
2510 }
2511
2512 const ClientEventHandler Game::clientEventHandler[CLIENTEVENT_MAX] = {
2513         {&Game::handleClientEvent_None},
2514         {&Game::handleClientEvent_PlayerDamage},
2515         {&Game::handleClientEvent_PlayerForceMove},
2516         {&Game::handleClientEvent_Deathscreen},
2517         {&Game::handleClientEvent_ShowFormSpec},
2518         {&Game::handleClientEvent_ShowLocalFormSpec},
2519         {&Game::handleClientEvent_HandleParticleEvent},
2520         {&Game::handleClientEvent_HandleParticleEvent},
2521         {&Game::handleClientEvent_HandleParticleEvent},
2522         {&Game::handleClientEvent_HudAdd},
2523         {&Game::handleClientEvent_HudRemove},
2524         {&Game::handleClientEvent_HudChange},
2525         {&Game::handleClientEvent_SetSky},
2526         {&Game::handleClientEvent_OverrideDayNigthRatio},
2527         {&Game::handleClientEvent_CloudParams},
2528 };
2529
2530 void Game::handleClientEvent_None(ClientEvent *event, CameraOrientation *cam)
2531 {
2532         FATAL_ERROR("ClientEvent type None received");
2533 }
2534
2535 void Game::handleClientEvent_PlayerDamage(ClientEvent *event, CameraOrientation *cam)
2536 {
2537         if (client->modsLoaded())
2538                 client->getScript()->on_damage_taken(event->player_damage.amount);
2539
2540         // Damage flash and hurt tilt are not used at death
2541         if (client->getHP() > 0) {
2542                 runData.damage_flash += 95.0f + 3.2f * event->player_damage.amount;
2543                 runData.damage_flash = MYMIN(runData.damage_flash, 127.0f);
2544
2545                 LocalPlayer *player = client->getEnv().getLocalPlayer();
2546
2547                 player->hurt_tilt_timer = 1.5f;
2548                 player->hurt_tilt_strength =
2549                         rangelim(event->player_damage.amount / 4.0f, 1.0f, 4.0f);
2550         }
2551
2552         // Play damage sound
2553         client->getEventManager()->put(new SimpleTriggerEvent(MtEvent::PLAYER_DAMAGE));
2554 }
2555
2556 void Game::handleClientEvent_PlayerForceMove(ClientEvent *event, CameraOrientation *cam)
2557 {
2558         cam->camera_yaw = event->player_force_move.yaw;
2559         cam->camera_pitch = event->player_force_move.pitch;
2560 }
2561
2562 void Game::handleClientEvent_Deathscreen(ClientEvent *event, CameraOrientation *cam)
2563 {
2564         // If client scripting is enabled, deathscreen is handled by CSM code in
2565         // builtin/client/init.lua
2566         if (client->modsLoaded())
2567                 client->getScript()->on_death();
2568         else
2569                 showDeathFormspec();
2570
2571         /* Handle visualization */
2572         LocalPlayer *player = client->getEnv().getLocalPlayer();
2573         runData.damage_flash = 0;
2574         player->hurt_tilt_timer = 0;
2575         player->hurt_tilt_strength = 0;
2576 }
2577
2578 void Game::handleClientEvent_ShowFormSpec(ClientEvent *event, CameraOrientation *cam)
2579 {
2580         if (event->show_formspec.formspec->empty()) {
2581                 auto formspec = m_game_ui->getFormspecGUI();
2582                 if (formspec && (event->show_formspec.formname->empty()
2583                                 || *(event->show_formspec.formname) == m_game_ui->getFormspecName())) {
2584                         formspec->quitMenu();
2585                 }
2586         } else {
2587                 FormspecFormSource *fs_src =
2588                         new FormspecFormSource(*(event->show_formspec.formspec));
2589                 TextDestPlayerInventory *txt_dst =
2590                         new TextDestPlayerInventory(client, *(event->show_formspec.formname));
2591
2592                 auto *&formspec = m_game_ui->updateFormspec(*(event->show_formspec.formname));
2593                 GUIFormSpecMenu::create(formspec, client, &input->joystick,
2594                         fs_src, txt_dst, client->getFormspecPrepend());
2595         }
2596
2597         delete event->show_formspec.formspec;
2598         delete event->show_formspec.formname;
2599 }
2600
2601 void Game::handleClientEvent_ShowLocalFormSpec(ClientEvent *event, CameraOrientation *cam)
2602 {
2603         FormspecFormSource *fs_src = new FormspecFormSource(*event->show_formspec.formspec);
2604         LocalFormspecHandler *txt_dst =
2605                 new LocalFormspecHandler(*event->show_formspec.formname, client);
2606         GUIFormSpecMenu::create(m_game_ui->getFormspecGUI(), client, &input->joystick,
2607                         fs_src, txt_dst, client->getFormspecPrepend());
2608
2609         delete event->show_formspec.formspec;
2610         delete event->show_formspec.formname;
2611 }
2612
2613 void Game::handleClientEvent_HandleParticleEvent(ClientEvent *event,
2614                 CameraOrientation *cam)
2615 {
2616         LocalPlayer *player = client->getEnv().getLocalPlayer();
2617         client->getParticleManager()->handleParticleEvent(event, client, player);
2618 }
2619
2620 void Game::handleClientEvent_HudAdd(ClientEvent *event, CameraOrientation *cam)
2621 {
2622         LocalPlayer *player = client->getEnv().getLocalPlayer();
2623         auto &hud_server_to_client = client->getHUDTranslationMap();
2624
2625         u32 server_id = event->hudadd.server_id;
2626         // ignore if we already have a HUD with that ID
2627         auto i = hud_server_to_client.find(server_id);
2628         if (i != hud_server_to_client.end()) {
2629                 delete event->hudadd.pos;
2630                 delete event->hudadd.name;
2631                 delete event->hudadd.scale;
2632                 delete event->hudadd.text;
2633                 delete event->hudadd.align;
2634                 delete event->hudadd.offset;
2635                 delete event->hudadd.world_pos;
2636                 delete event->hudadd.size;
2637                 return;
2638         }
2639
2640         HudElement *e = new HudElement;
2641         e->type   = (HudElementType)event->hudadd.type;
2642         e->pos    = *event->hudadd.pos;
2643         e->name   = *event->hudadd.name;
2644         e->scale  = *event->hudadd.scale;
2645         e->text   = *event->hudadd.text;
2646         e->number = event->hudadd.number;
2647         e->item   = event->hudadd.item;
2648         e->dir    = event->hudadd.dir;
2649         e->align  = *event->hudadd.align;
2650         e->offset = *event->hudadd.offset;
2651         e->world_pos = *event->hudadd.world_pos;
2652         e->size = *event->hudadd.size;
2653         hud_server_to_client[server_id] = player->addHud(e);
2654
2655         delete event->hudadd.pos;
2656         delete event->hudadd.name;
2657         delete event->hudadd.scale;
2658         delete event->hudadd.text;
2659         delete event->hudadd.align;
2660         delete event->hudadd.offset;
2661         delete event->hudadd.world_pos;
2662         delete event->hudadd.size;
2663 }
2664
2665 void Game::handleClientEvent_HudRemove(ClientEvent *event, CameraOrientation *cam)
2666 {
2667         LocalPlayer *player = client->getEnv().getLocalPlayer();
2668         HudElement *e = player->removeHud(event->hudrm.id);
2669         delete e;
2670 }
2671
2672 void Game::handleClientEvent_HudChange(ClientEvent *event, CameraOrientation *cam)
2673 {
2674         LocalPlayer *player = client->getEnv().getLocalPlayer();
2675
2676         u32 id = event->hudchange.id;
2677         HudElement *e = player->getHud(id);
2678
2679         if (e == NULL) {
2680                 delete event->hudchange.v3fdata;
2681                 delete event->hudchange.v2fdata;
2682                 delete event->hudchange.sdata;
2683                 delete event->hudchange.v2s32data;
2684                 return;
2685         }
2686
2687         switch (event->hudchange.stat) {
2688                 case HUD_STAT_POS:
2689                         e->pos = *event->hudchange.v2fdata;
2690                         break;
2691
2692                 case HUD_STAT_NAME:
2693                         e->name = *event->hudchange.sdata;
2694                         break;
2695
2696                 case HUD_STAT_SCALE:
2697                         e->scale = *event->hudchange.v2fdata;
2698                         break;
2699
2700                 case HUD_STAT_TEXT:
2701                         e->text = *event->hudchange.sdata;
2702                         break;
2703
2704                 case HUD_STAT_NUMBER:
2705                         e->number = event->hudchange.data;
2706                         break;
2707
2708                 case HUD_STAT_ITEM:
2709                         e->item = event->hudchange.data;
2710                         break;
2711
2712                 case HUD_STAT_DIR:
2713                         e->dir = event->hudchange.data;
2714                         break;
2715
2716                 case HUD_STAT_ALIGN:
2717                         e->align = *event->hudchange.v2fdata;
2718                         break;
2719
2720                 case HUD_STAT_OFFSET:
2721                         e->offset = *event->hudchange.v2fdata;
2722                         break;
2723
2724                 case HUD_STAT_WORLD_POS:
2725                         e->world_pos = *event->hudchange.v3fdata;
2726                         break;
2727
2728                 case HUD_STAT_SIZE:
2729                         e->size = *event->hudchange.v2s32data;
2730                         break;
2731         }
2732
2733         delete event->hudchange.v3fdata;
2734         delete event->hudchange.v2fdata;
2735         delete event->hudchange.sdata;
2736         delete event->hudchange.v2s32data;
2737 }
2738
2739 void Game::handleClientEvent_SetSky(ClientEvent *event, CameraOrientation *cam)
2740 {
2741         sky->setVisible(false);
2742         // Whether clouds are visible in front of a custom skybox
2743         sky->setCloudsEnabled(event->set_sky.clouds);
2744
2745         if (skybox) {
2746                 skybox->remove();
2747                 skybox = NULL;
2748         }
2749
2750         // Handle according to type
2751         if (*event->set_sky.type == "regular") {
2752                 sky->setVisible(true);
2753                 sky->setCloudsEnabled(true);
2754         } else if (*event->set_sky.type == "skybox" &&
2755                 event->set_sky.params->size() == 6) {
2756                 sky->setFallbackBgColor(*event->set_sky.bgcolor);
2757                 skybox = RenderingEngine::get_scene_manager()->addSkyBoxSceneNode(
2758                         texture_src->getTextureForMesh((*event->set_sky.params)[0]),
2759                         texture_src->getTextureForMesh((*event->set_sky.params)[1]),
2760                         texture_src->getTextureForMesh((*event->set_sky.params)[2]),
2761                         texture_src->getTextureForMesh((*event->set_sky.params)[3]),
2762                         texture_src->getTextureForMesh((*event->set_sky.params)[4]),
2763                         texture_src->getTextureForMesh((*event->set_sky.params)[5]));
2764         }
2765                 // Handle everything else as plain color
2766         else {
2767                 if (*event->set_sky.type != "plain")
2768                         infostream << "Unknown sky type: "
2769                                 << (*event->set_sky.type) << std::endl;
2770
2771                 sky->setFallbackBgColor(*event->set_sky.bgcolor);
2772         }
2773
2774         delete event->set_sky.bgcolor;
2775         delete event->set_sky.type;
2776         delete event->set_sky.params;
2777 }
2778
2779 void Game::handleClientEvent_OverrideDayNigthRatio(ClientEvent *event,
2780                 CameraOrientation *cam)
2781 {
2782         client->getEnv().setDayNightRatioOverride(
2783                 event->override_day_night_ratio.do_override,
2784                 event->override_day_night_ratio.ratio_f * 1000.0f);
2785 }
2786
2787 void Game::handleClientEvent_CloudParams(ClientEvent *event, CameraOrientation *cam)
2788 {
2789         if (!clouds)
2790                 return;
2791
2792         clouds->setDensity(event->cloud_params.density);
2793         clouds->setColorBright(video::SColor(event->cloud_params.color_bright));
2794         clouds->setColorAmbient(video::SColor(event->cloud_params.color_ambient));
2795         clouds->setHeight(event->cloud_params.height);
2796         clouds->setThickness(event->cloud_params.thickness);
2797         clouds->setSpeed(v2f(event->cloud_params.speed_x, event->cloud_params.speed_y));
2798 }
2799
2800 void Game::processClientEvents(CameraOrientation *cam)
2801 {
2802         while (client->hasClientEvents()) {
2803                 std::unique_ptr<ClientEvent> event(client->getClientEvent());
2804                 FATAL_ERROR_IF(event->type >= CLIENTEVENT_MAX, "Invalid clientevent type");
2805                 const ClientEventHandler& evHandler = clientEventHandler[event->type];
2806                 (this->*evHandler.handler)(event.get(), cam);
2807         }
2808 }
2809
2810 void Game::updateChat(f32 dtime, const v2u32 &screensize)
2811 {
2812         // Add chat log output for errors to be shown in chat
2813         static LogOutputBuffer chat_log_error_buf(g_logger, LL_ERROR);
2814
2815         // Get new messages from error log buffer
2816         while (!chat_log_error_buf.empty()) {
2817                 std::wstring error_message = utf8_to_wide(chat_log_error_buf.get());
2818                 if (!g_settings->getBool("disable_escape_sequences")) {
2819                         error_message.insert(0, L"\x1b(c@red)");
2820                         error_message.append(L"\x1b(c@white)");
2821                 }
2822                 chat_backend->addMessage(L"", error_message);
2823         }
2824
2825         // Get new messages from client
2826         std::wstring message;
2827         while (client->getChatMessage(message)) {
2828                 chat_backend->addUnparsedMessage(message);
2829         }
2830
2831         // Remove old messages
2832         chat_backend->step(dtime);
2833
2834         // Display all messages in a static text element
2835         m_game_ui->setChatText(chat_backend->getRecentChat(),
2836                 chat_backend->getRecentBuffer().getLineCount());
2837 }
2838
2839 void Game::updateCamera(u32 busy_time, f32 dtime)
2840 {
2841         LocalPlayer *player = client->getEnv().getLocalPlayer();
2842
2843         /*
2844                 For interaction purposes, get info about the held item
2845                 - What item is it?
2846                 - Is it a usable item?
2847                 - Can it point to liquids?
2848         */
2849         ItemStack playeritem;
2850         {
2851                 ItemStack selected, hand;
2852                 playeritem = player->getWieldedItem(&selected, &hand);
2853         }
2854
2855         ToolCapabilities playeritem_toolcap =
2856                 playeritem.getToolCapabilities(itemdef_manager);
2857
2858         v3s16 old_camera_offset = camera->getOffset();
2859
2860         if (wasKeyDown(KeyType::CAMERA_MODE)) {
2861                 GenericCAO *playercao = player->getCAO();
2862
2863                 // If playercao not loaded, don't change camera
2864                 if (!playercao)
2865                         return;
2866
2867                 camera->toggleCameraMode();
2868
2869                 playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
2870                 playercao->setChildrenVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
2871         }
2872
2873         float full_punch_interval = playeritem_toolcap.full_punch_interval;
2874         float tool_reload_ratio = runData.time_from_last_punch / full_punch_interval;
2875
2876         tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
2877         camera->update(player, dtime, busy_time / 1000.0f, tool_reload_ratio);
2878         camera->step(dtime);
2879
2880         v3f camera_position = camera->getPosition();
2881         v3f camera_direction = camera->getDirection();
2882         f32 camera_fov = camera->getFovMax();
2883         v3s16 camera_offset = camera->getOffset();
2884
2885         m_camera_offset_changed = (camera_offset != old_camera_offset);
2886
2887         if (!m_flags.disable_camera_update) {
2888                 client->getEnv().getClientMap().updateCamera(camera_position,
2889                                 camera_direction, camera_fov, camera_offset);
2890
2891                 if (m_camera_offset_changed) {
2892                         client->updateCameraOffset(camera_offset);
2893                         client->getEnv().updateCameraOffset(camera_offset);
2894
2895                         if (clouds)
2896                                 clouds->updateCameraOffset(camera_offset);
2897                 }
2898         }
2899 }
2900
2901
2902 void Game::updateSound(f32 dtime)
2903 {
2904         // Update sound listener
2905         v3s16 camera_offset = camera->getOffset();
2906         sound->updateListener(camera->getCameraNode()->getPosition() + intToFloat(camera_offset, BS),
2907                               v3f(0, 0, 0), // velocity
2908                               camera->getDirection(),
2909                               camera->getCameraNode()->getUpVector());
2910
2911         bool mute_sound = g_settings->getBool("mute_sound");
2912         if (mute_sound) {
2913                 sound->setListenerGain(0.0f);
2914         } else {
2915                 // Check if volume is in the proper range, else fix it.
2916                 float old_volume = g_settings->getFloat("sound_volume");
2917                 float new_volume = rangelim(old_volume, 0.0f, 1.0f);
2918                 sound->setListenerGain(new_volume);
2919
2920                 if (old_volume != new_volume) {
2921                         g_settings->setFloat("sound_volume", new_volume);
2922                 }
2923         }
2924
2925         LocalPlayer *player = client->getEnv().getLocalPlayer();
2926
2927         // Tell the sound maker whether to make footstep sounds
2928         soundmaker->makes_footstep_sound = player->makes_footstep_sound;
2929
2930         //      Update sound maker
2931         if (player->makes_footstep_sound)
2932                 soundmaker->step(dtime);
2933
2934         ClientMap &map = client->getEnv().getClientMap();
2935         MapNode n = map.getNode(player->getFootstepNodePos());
2936         soundmaker->m_player_step_sound = nodedef_manager->get(n).sound_footstep;
2937 }
2938
2939
2940 void Game::processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug)
2941 {
2942         LocalPlayer *player = client->getEnv().getLocalPlayer();
2943
2944         v3f player_position  = player->getPosition();
2945         v3f player_eye_position = player->getEyePosition();
2946         v3f camera_position  = camera->getPosition();
2947         v3f camera_direction = camera->getDirection();
2948         v3s16 camera_offset  = camera->getOffset();
2949
2950         if (camera->getCameraMode() == CAMERA_MODE_FIRST)
2951                 player_eye_position += player->eye_offset_first;
2952         else
2953                 player_eye_position += player->eye_offset_third;
2954
2955         /*
2956                 Calculate what block is the crosshair pointing to
2957         */
2958
2959         ItemStack selected_item, hand_item;
2960         const ItemStack &tool_item = player->getWieldedItem(&selected_item, &hand_item);
2961
2962         const ItemDefinition &selected_def = selected_item.getDefinition(itemdef_manager);
2963         f32 d = getToolRange(selected_def, hand_item.getDefinition(itemdef_manager));
2964
2965         core::line3d<f32> shootline;
2966
2967         if (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT) {
2968                 shootline = core::line3d<f32>(player_eye_position,
2969                         player_eye_position + camera_direction * BS * d);
2970         } else {
2971                 // prevent player pointing anything in front-view
2972                 shootline = core::line3d<f32>(camera_position, camera_position);
2973         }
2974
2975 #ifdef HAVE_TOUCHSCREENGUI
2976
2977         if ((g_settings->getBool("touchtarget")) && (g_touchscreengui)) {
2978                 shootline = g_touchscreengui->getShootline();
2979                 // Scale shootline to the acual distance the player can reach
2980                 shootline.end = shootline.start
2981                         + shootline.getVector().normalize() * BS * d;
2982                 shootline.start += intToFloat(camera_offset, BS);
2983                 shootline.end += intToFloat(camera_offset, BS);
2984         }
2985
2986 #endif
2987
2988         PointedThing pointed = updatePointedThing(shootline,
2989                         selected_def.liquids_pointable,
2990                         !runData.ldown_for_dig,
2991                         camera_offset);
2992
2993         if (pointed != runData.pointed_old) {
2994                 infostream << "Pointing at " << pointed.dump() << std::endl;
2995                 hud->updateSelectionMesh(camera_offset);
2996         }
2997
2998         if (runData.digging_blocked && !input->getLeftState()) {
2999                 // allow digging again if button is not pressed
3000                 runData.digging_blocked = false;
3001         }
3002
3003         /*
3004                 Stop digging when
3005                 - releasing left mouse button
3006                 - pointing away from node
3007         */
3008         if (runData.digging) {
3009                 if (input->getLeftReleased()) {
3010                         infostream << "Left button released"
3011                                         << " (stopped digging)" << std::endl;
3012                         runData.digging = false;
3013                 } else if (pointed != runData.pointed_old) {
3014                         if (pointed.type == POINTEDTHING_NODE
3015                                         && runData.pointed_old.type == POINTEDTHING_NODE
3016                                         && pointed.node_undersurface
3017                                                         == runData.pointed_old.node_undersurface) {
3018                                 // Still pointing to the same node, but a different face.
3019                                 // Don't reset.
3020                         } else {
3021                                 infostream << "Pointing away from node"
3022                                                 << " (stopped digging)" << std::endl;
3023                                 runData.digging = false;
3024                                 hud->updateSelectionMesh(camera_offset);
3025                         }
3026                 }
3027
3028                 if (!runData.digging) {
3029                         client->interact(INTERACT_STOP_DIGGING, runData.pointed_old);
3030                         client->setCrack(-1, v3s16(0, 0, 0));
3031                         runData.dig_time = 0.0;
3032                 }
3033         } else if (runData.dig_instantly && input->getLeftReleased()) {
3034                 // Remove e.g. torches faster when clicking instead of holding LMB
3035                 runData.nodig_delay_timer = 0;
3036                 runData.dig_instantly = false;
3037         }
3038
3039         if (!runData.digging && runData.ldown_for_dig && !input->getLeftState()) {
3040                 runData.ldown_for_dig = false;
3041         }
3042
3043         runData.left_punch = false;
3044
3045         soundmaker->m_player_leftpunch_sound.name = "";
3046
3047         // Prepare for repeating, unless we're not supposed to
3048         if (input->getRightState() && !g_settings->getBool("safe_dig_and_place"))
3049                 runData.repeat_rightclick_timer += dtime;
3050         else
3051                 runData.repeat_rightclick_timer = 0;
3052
3053         if (selected_def.usable && input->getLeftState()) {
3054                 if (input->getLeftClicked() && (!client->modsLoaded()
3055                                 || !client->getScript()->on_item_use(selected_item, pointed)))
3056                         client->interact(INTERACT_USE, pointed);
3057         } else if (pointed.type == POINTEDTHING_NODE) {
3058                 handlePointingAtNode(pointed, selected_item, hand_item, dtime);
3059         } else if (pointed.type == POINTEDTHING_OBJECT) {
3060                 handlePointingAtObject(pointed, tool_item, player_position, show_debug);
3061         } else if (input->getLeftState()) {
3062                 // When button is held down in air, show continuous animation
3063                 runData.left_punch = true;
3064                 // Run callback even though item is not usable
3065                 if (input->getLeftClicked() && client->modsLoaded())
3066                         client->getScript()->on_item_use(selected_item, pointed);
3067         } else if (input->getRightClicked()) {
3068                 handlePointingAtNothing(selected_item);
3069         }
3070
3071         runData.pointed_old = pointed;
3072
3073         if (runData.left_punch || input->getLeftClicked())
3074                 camera->setDigging(0); // left click animation
3075
3076         input->resetLeftClicked();
3077         input->resetRightClicked();
3078
3079         input->resetLeftReleased();
3080         input->resetRightReleased();
3081 }
3082
3083
3084 PointedThing Game::updatePointedThing(
3085         const core::line3d<f32> &shootline,
3086         bool liquids_pointable,
3087         bool look_for_object,
3088         const v3s16 &camera_offset)
3089 {
3090         std::vector<aabb3f> *selectionboxes = hud->getSelectionBoxes();
3091         selectionboxes->clear();
3092         hud->setSelectedFaceNormal(v3f(0.0, 0.0, 0.0));
3093         static thread_local const bool show_entity_selectionbox = g_settings->getBool(
3094                 "show_entity_selectionbox");
3095
3096         ClientEnvironment &env = client->getEnv();
3097         ClientMap &map = env.getClientMap();
3098         const NodeDefManager *nodedef = map.getNodeDefManager();
3099
3100         runData.selected_object = NULL;
3101
3102         RaycastState s(shootline, look_for_object, liquids_pointable);
3103         PointedThing result;
3104         env.continueRaycast(&s, &result);
3105         if (result.type == POINTEDTHING_OBJECT) {
3106                 runData.selected_object = client->getEnv().getActiveObject(result.object_id);
3107                 aabb3f selection_box;
3108                 if (show_entity_selectionbox && runData.selected_object->doShowSelectionBox() &&
3109                                 runData.selected_object->getSelectionBox(&selection_box)) {
3110                         v3f pos = runData.selected_object->getPosition();
3111                         selectionboxes->push_back(aabb3f(selection_box));
3112                         hud->setSelectionPos(pos, camera_offset);
3113                 }
3114         } else if (result.type == POINTEDTHING_NODE) {
3115                 // Update selection boxes
3116                 MapNode n = map.getNode(result.node_undersurface);
3117                 std::vector<aabb3f> boxes;
3118                 n.getSelectionBoxes(nodedef, &boxes,
3119                         n.getNeighbors(result.node_undersurface, &map));
3120
3121                 f32 d = 0.002 * BS;
3122                 for (std::vector<aabb3f>::const_iterator i = boxes.begin();
3123                         i != boxes.end(); ++i) {
3124                         aabb3f box = *i;
3125                         box.MinEdge -= v3f(d, d, d);
3126                         box.MaxEdge += v3f(d, d, d);
3127                         selectionboxes->push_back(box);
3128                 }
3129                 hud->setSelectionPos(intToFloat(result.node_undersurface, BS),
3130                         camera_offset);
3131                 hud->setSelectedFaceNormal(v3f(
3132                         result.intersection_normal.X,
3133                         result.intersection_normal.Y,
3134                         result.intersection_normal.Z));
3135         }
3136
3137         // Update selection mesh light level and vertex colors
3138         if (!selectionboxes->empty()) {
3139                 v3f pf = hud->getSelectionPos();
3140                 v3s16 p = floatToInt(pf, BS);
3141
3142                 // Get selection mesh light level
3143                 MapNode n = map.getNode(p);
3144                 u16 node_light = getInteriorLight(n, -1, nodedef);
3145                 u16 light_level = node_light;
3146
3147                 for (const v3s16 &dir : g_6dirs) {
3148                         n = map.getNode(p + dir);
3149                         node_light = getInteriorLight(n, -1, nodedef);
3150                         if (node_light > light_level)
3151                                 light_level = node_light;
3152                 }
3153
3154                 u32 daynight_ratio = client->getEnv().getDayNightRatio();
3155                 video::SColor c;
3156                 final_color_blend(&c, light_level, daynight_ratio);
3157
3158                 // Modify final color a bit with time
3159                 u32 timer = porting::getTimeMs() % 5000;
3160                 float timerf = (float) (irr::core::PI * ((timer / 2500.0) - 0.5));
3161                 float sin_r = 0.08f * std::sin(timerf);
3162                 float sin_g = 0.08f * std::sin(timerf + irr::core::PI * 0.5f);
3163                 float sin_b = 0.08f * std::sin(timerf + irr::core::PI);
3164                 c.setRed(core::clamp(core::round32(c.getRed() * (0.8 + sin_r)), 0, 255));
3165                 c.setGreen(core::clamp(core::round32(c.getGreen() * (0.8 + sin_g)), 0, 255));
3166                 c.setBlue(core::clamp(core::round32(c.getBlue() * (0.8 + sin_b)), 0, 255));
3167
3168                 // Set mesh final color
3169                 hud->setSelectionMeshColor(c);
3170         }
3171         return result;
3172 }
3173
3174
3175 void Game::handlePointingAtNothing(const ItemStack &playerItem)
3176 {
3177         infostream << "Right Clicked in Air" << std::endl;
3178         PointedThing fauxPointed;
3179         fauxPointed.type = POINTEDTHING_NOTHING;
3180         client->interact(INTERACT_ACTIVATE, fauxPointed);
3181 }
3182
3183
3184 void Game::handlePointingAtNode(const PointedThing &pointed,
3185         const ItemStack &selected_item, const ItemStack &hand_item, f32 dtime)
3186 {
3187         v3s16 nodepos = pointed.node_undersurface;
3188         v3s16 neighbourpos = pointed.node_abovesurface;
3189
3190         /*
3191                 Check information text of node
3192         */
3193
3194         ClientMap &map = client->getEnv().getClientMap();
3195
3196         if (runData.nodig_delay_timer <= 0.0 && input->getLeftState()
3197                         && !runData.digging_blocked
3198                         && client->checkPrivilege("interact")) {
3199                 handleDigging(pointed, nodepos, selected_item, hand_item, dtime);
3200         }
3201
3202         // This should be done after digging handling
3203         NodeMetadata *meta = map.getNodeMetadata(nodepos);
3204
3205         if (meta) {
3206                 m_game_ui->setInfoText(unescape_translate(utf8_to_wide(
3207                         meta->getString("infotext"))));
3208         } else {
3209                 MapNode n = map.getNode(nodepos);
3210
3211                 if (nodedef_manager->get(n).tiledef[0].name == "unknown_node.png") {
3212                         m_game_ui->setInfoText(L"Unknown node: " +
3213                                 utf8_to_wide(nodedef_manager->get(n).name));
3214                 }
3215         }
3216
3217         if ((input->getRightClicked() ||
3218                         runData.repeat_rightclick_timer >= m_repeat_right_click_time) &&
3219                         client->checkPrivilege("interact")) {
3220                 runData.repeat_rightclick_timer = 0;
3221                 infostream << "Ground right-clicked" << std::endl;
3222
3223                 camera->setDigging(1);  // right click animation (always shown for feedback)
3224
3225                 soundmaker->m_player_rightpunch_sound = SimpleSoundSpec();
3226
3227                 // If the wielded item has node placement prediction,
3228                 // make that happen
3229                 // And also set the sound and send the interact
3230                 // But first check for meta formspec and rightclickable
3231                 auto &def = selected_item.getDefinition(itemdef_manager);
3232                 bool placed = nodePlacement(def, selected_item, nodepos, neighbourpos,
3233                         pointed, meta);
3234
3235                 if (placed && client->modsLoaded())
3236                         client->getScript()->on_placenode(pointed, def);
3237         }
3238 }
3239
3240 bool Game::nodePlacement(const ItemDefinition &selected_def,
3241         const ItemStack &selected_item, const v3s16 &nodepos, const v3s16 &neighbourpos,
3242         const PointedThing &pointed, const NodeMetadata *meta)
3243 {
3244         std::string prediction = selected_def.node_placement_prediction;
3245         const NodeDefManager *nodedef = client->ndef();
3246         ClientMap &map = client->getEnv().getClientMap();
3247         MapNode node;
3248         bool is_valid_position;
3249
3250         node = map.getNode(nodepos, &is_valid_position);
3251         if (!is_valid_position) {
3252                 soundmaker->m_player_rightpunch_sound = selected_def.sound_place_failed;
3253                 return false;
3254         }
3255
3256         // formspec in meta
3257         if (meta && !meta->getString("formspec").empty() && !random_input
3258                         && !isKeyDown(KeyType::SNEAK)) {
3259                 // on_rightclick callbacks are called anyway
3260                 if (nodedef_manager->get(map.getNode(nodepos)).rightclickable)
3261                         client->interact(INTERACT_PLACE, pointed);
3262
3263                 infostream << "Launching custom inventory view" << std::endl;
3264
3265                 InventoryLocation inventoryloc;
3266                 inventoryloc.setNodeMeta(nodepos);
3267
3268                 NodeMetadataFormSource *fs_src = new NodeMetadataFormSource(
3269                         &client->getEnv().getClientMap(), nodepos);
3270                 TextDest *txt_dst = new TextDestNodeMetadata(nodepos, client);
3271
3272                 auto *&formspec = m_game_ui->updateFormspec("");
3273                 GUIFormSpecMenu::create(formspec, client, &input->joystick, fs_src,
3274                         txt_dst, client->getFormspecPrepend());
3275
3276                 formspec->setFormSpec(meta->getString("formspec"), inventoryloc);
3277                 return false;
3278         }
3279
3280         // on_rightclick callback
3281         if (prediction.empty() || (nodedef->get(node).rightclickable &&
3282                         !isKeyDown(KeyType::SNEAK))) {
3283                 // Report to server
3284                 client->interact(INTERACT_PLACE, pointed);
3285                 return false;
3286         }
3287
3288         verbosestream << "Node placement prediction for "
3289                 << selected_def.name << " is "
3290                 << prediction << std::endl;
3291         v3s16 p = neighbourpos;
3292
3293         // Place inside node itself if buildable_to
3294         MapNode n_under = map.getNode(nodepos, &is_valid_position);
3295         if (is_valid_position) {
3296                 if (nodedef->get(n_under).buildable_to) {
3297                         p = nodepos;
3298                 } else {
3299                         node = map.getNode(p, &is_valid_position);
3300                         if (is_valid_position && !nodedef->get(node).buildable_to) {
3301                                 // Report to server
3302                                 client->interact(INTERACT_PLACE, pointed);
3303                                 return false;
3304                         }
3305                 }
3306         }
3307
3308         // Find id of predicted node
3309         content_t id;
3310         bool found = nodedef->getId(prediction, id);
3311
3312         if (!found) {
3313                 errorstream << "Node placement prediction failed for "
3314                         << selected_def.name << " (places "
3315                         << prediction
3316                         << ") - Name not known" << std::endl;
3317                 // Handle this as if prediction was empty
3318                 // Report to server
3319                 client->interact(INTERACT_PLACE, pointed);
3320                 return false;
3321         }
3322
3323         const ContentFeatures &predicted_f = nodedef->get(id);
3324
3325         // Predict param2 for facedir and wallmounted nodes
3326         u8 param2 = 0;
3327
3328         if (predicted_f.param_type_2 == CPT2_WALLMOUNTED ||
3329                         predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED) {
3330                 v3s16 dir = nodepos - neighbourpos;
3331
3332                 if (abs(dir.Y) > MYMAX(abs(dir.X), abs(dir.Z))) {
3333                         param2 = dir.Y < 0 ? 1 : 0;
3334                 } else if (abs(dir.X) > abs(dir.Z)) {
3335                         param2 = dir.X < 0 ? 3 : 2;
3336                 } else {
3337                         param2 = dir.Z < 0 ? 5 : 4;
3338                 }
3339         }
3340
3341         if (predicted_f.param_type_2 == CPT2_FACEDIR ||
3342                         predicted_f.param_type_2 == CPT2_COLORED_FACEDIR) {
3343                 v3s16 dir = nodepos - floatToInt(client->getEnv().getLocalPlayer()->getPosition(), BS);
3344
3345                 if (abs(dir.X) > abs(dir.Z)) {
3346                         param2 = dir.X < 0 ? 3 : 1;
3347                 } else {
3348                         param2 = dir.Z < 0 ? 2 : 0;
3349                 }
3350         }
3351
3352         assert(param2 <= 5);
3353
3354         //Check attachment if node is in group attached_node
3355         if (((ItemGroupList) predicted_f.groups)["attached_node"] != 0) {
3356                 static v3s16 wallmounted_dirs[8] = {
3357                         v3s16(0, 1, 0),
3358                         v3s16(0, -1, 0),
3359                         v3s16(1, 0, 0),
3360                         v3s16(-1, 0, 0),
3361                         v3s16(0, 0, 1),
3362                         v3s16(0, 0, -1),
3363                 };
3364                 v3s16 pp;
3365
3366                 if (predicted_f.param_type_2 == CPT2_WALLMOUNTED ||
3367                                 predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED)
3368                         pp = p + wallmounted_dirs[param2];
3369                 else
3370                         pp = p + v3s16(0, -1, 0);
3371
3372                 if (!nodedef->get(map.getNode(pp)).walkable) {
3373                         // Report to server
3374                         client->interact(INTERACT_PLACE, pointed);
3375                         return false;
3376                 }
3377         }
3378
3379         // Apply color
3380         if ((predicted_f.param_type_2 == CPT2_COLOR
3381                         || predicted_f.param_type_2 == CPT2_COLORED_FACEDIR
3382                         || predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED)) {
3383                 const std::string &indexstr = selected_item.metadata.getString(
3384                         "palette_index", 0);
3385                 if (!indexstr.empty()) {
3386                         s32 index = mystoi(indexstr);
3387                         if (predicted_f.param_type_2 == CPT2_COLOR) {
3388                                 param2 = index;
3389                         } else if (predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED) {
3390                                 // param2 = pure palette index + other
3391                                 param2 = (index & 0xf8) | (param2 & 0x07);
3392                         } else if (predicted_f.param_type_2 == CPT2_COLORED_FACEDIR) {
3393                                 // param2 = pure palette index + other
3394                                 param2 = (index & 0xe0) | (param2 & 0x1f);
3395                         }
3396                 }
3397         }
3398
3399         // Add node to client map
3400         MapNode n(id, 0, param2);
3401
3402         try {
3403                 LocalPlayer *player = client->getEnv().getLocalPlayer();
3404
3405                 // Dont place node when player would be inside new node
3406                 // NOTE: This is to be eventually implemented by a mod as client-side Lua
3407                 if (!nodedef->get(n).walkable ||
3408                                 g_settings->getBool("enable_build_where_you_stand") ||
3409                                 (client->checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
3410                                 (nodedef->get(n).walkable &&
3411                                         neighbourpos != player->getStandingNodePos() + v3s16(0, 1, 0) &&
3412                                         neighbourpos != player->getStandingNodePos() + v3s16(0, 2, 0))) {
3413                         // This triggers the required mesh update too
3414                         client->addNode(p, n);
3415                         // Report to server
3416                         client->interact(INTERACT_PLACE, pointed);
3417                         // A node is predicted, also play a sound
3418                         soundmaker->m_player_rightpunch_sound = selected_def.sound_place;
3419                         return true;
3420                 } else {
3421                         soundmaker->m_player_rightpunch_sound = selected_def.sound_place_failed;
3422                         return false;
3423                 }
3424         } catch (InvalidPositionException &e) {
3425                 errorstream << "Node placement prediction failed for "
3426                         << selected_def.name << " (places "
3427                         << prediction
3428                         << ") - Position not loaded" << std::endl;
3429                 soundmaker->m_player_rightpunch_sound = selected_def.sound_place_failed;
3430                 return false;
3431         }
3432 }
3433
3434 void Game::handlePointingAtObject(const PointedThing &pointed,
3435                 const ItemStack &tool_item, const v3f &player_position, bool show_debug)
3436 {
3437         std::wstring infotext = unescape_translate(
3438                 utf8_to_wide(runData.selected_object->infoText()));
3439
3440         if (show_debug) {
3441                 if (!infotext.empty()) {
3442                         infotext += L"\n";
3443                 }
3444                 infotext += utf8_to_wide(runData.selected_object->debugInfoText());
3445         }
3446
3447         m_game_ui->setInfoText(infotext);
3448
3449         if (input->getLeftState()) {
3450                 bool do_punch = false;
3451                 bool do_punch_damage = false;
3452
3453                 if (runData.object_hit_delay_timer <= 0.0) {
3454                         do_punch = true;
3455                         do_punch_damage = true;
3456                         runData.object_hit_delay_timer = object_hit_delay;
3457                 }
3458
3459                 if (input->getLeftClicked())
3460                         do_punch = true;
3461
3462                 if (do_punch) {
3463                         infostream << "Left-clicked object" << std::endl;
3464                         runData.left_punch = true;
3465                 }
3466
3467                 if (do_punch_damage) {
3468                         // Report direct punch
3469                         v3f objpos = runData.selected_object->getPosition();
3470                         v3f dir = (objpos - player_position).normalize();
3471
3472                         bool disable_send = runData.selected_object->directReportPunch(
3473                                         dir, &tool_item, runData.time_from_last_punch);
3474                         runData.time_from_last_punch = 0;
3475
3476                         if (!disable_send)
3477                                 client->interact(INTERACT_START_DIGGING, pointed);
3478                 }
3479         } else if (input->getRightClicked()) {
3480                 infostream << "Right-clicked object" << std::endl;
3481                 client->interact(INTERACT_PLACE, pointed);  // place
3482         }
3483 }
3484
3485
3486 void Game::handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
3487                 const ItemStack &selected_item, const ItemStack &hand_item, f32 dtime)
3488 {
3489         // See also: serverpackethandle.cpp, action == 2
3490         LocalPlayer *player = client->getEnv().getLocalPlayer();
3491         ClientMap &map = client->getEnv().getClientMap();
3492         MapNode n = client->getEnv().getClientMap().getNode(nodepos);
3493
3494         // NOTE: Similar piece of code exists on the server side for
3495         // cheat detection.
3496         // Get digging parameters
3497         DigParams params = getDigParams(nodedef_manager->get(n).groups,
3498                         &selected_item.getToolCapabilities(itemdef_manager));
3499
3500         // If can't dig, try hand
3501         if (!params.diggable) {
3502                 params = getDigParams(nodedef_manager->get(n).groups,
3503                                 &hand_item.getToolCapabilities(itemdef_manager));
3504         }
3505
3506         if (!params.diggable) {
3507                 // I guess nobody will wait for this long
3508                 runData.dig_time_complete = 10000000.0;
3509         } else {
3510                 runData.dig_time_complete = params.time;
3511
3512                 if (m_cache_enable_particles) {
3513                         const ContentFeatures &features = client->getNodeDefManager()->get(n);
3514                         client->getParticleManager()->addNodeParticle(client,
3515                                         player, nodepos, n, features);
3516                 }
3517         }
3518
3519         if (!runData.digging) {
3520                 infostream << "Started digging" << std::endl;
3521                 runData.dig_instantly = runData.dig_time_complete == 0;
3522                 if (client->modsLoaded() && client->getScript()->on_punchnode(nodepos, n))
3523                         return;
3524                 client->interact(INTERACT_START_DIGGING, pointed);
3525                 runData.digging = true;
3526                 runData.ldown_for_dig = true;
3527         }
3528
3529         if (!runData.dig_instantly) {
3530                 runData.dig_index = (float)crack_animation_length
3531                                 * runData.dig_time
3532                                 / runData.dig_time_complete;
3533         } else {
3534                 // This is for e.g. torches
3535                 runData.dig_index = crack_animation_length;
3536         }
3537
3538         SimpleSoundSpec sound_dig = nodedef_manager->get(n).sound_dig;
3539
3540         if (sound_dig.exists() && params.diggable) {
3541                 if (sound_dig.name == "__group") {
3542                         if (!params.main_group.empty()) {
3543                                 soundmaker->m_player_leftpunch_sound.gain = 0.5;
3544                                 soundmaker->m_player_leftpunch_sound.name =
3545                                                 std::string("default_dig_") +
3546                                                 params.main_group;
3547                         }
3548                 } else {
3549                         soundmaker->m_player_leftpunch_sound = sound_dig;
3550                 }
3551         }
3552
3553         // Don't show cracks if not diggable
3554         if (runData.dig_time_complete >= 100000.0) {
3555         } else if (runData.dig_index < crack_animation_length) {
3556                 //TimeTaker timer("client.setTempMod");
3557                 //infostream<<"dig_index="<<dig_index<<std::endl;
3558                 client->setCrack(runData.dig_index, nodepos);
3559         } else {
3560                 infostream << "Digging completed" << std::endl;
3561                 client->setCrack(-1, v3s16(0, 0, 0));
3562
3563                 runData.dig_time = 0;
3564                 runData.digging = false;
3565                 // we successfully dug, now block it from repeating if we want to be safe
3566                 if (g_settings->getBool("safe_dig_and_place"))
3567                         runData.digging_blocked = true;
3568
3569                 runData.nodig_delay_timer =
3570                                 runData.dig_time_complete / (float)crack_animation_length;
3571
3572                 // We don't want a corresponding delay to very time consuming nodes
3573                 // and nodes without digging time (e.g. torches) get a fixed delay.
3574                 if (runData.nodig_delay_timer > 0.3)
3575                         runData.nodig_delay_timer = 0.3;
3576                 else if (runData.dig_instantly)
3577                         runData.nodig_delay_timer = 0.15;
3578
3579                 bool is_valid_position;
3580                 MapNode wasnode = map.getNode(nodepos, &is_valid_position);
3581                 if (is_valid_position) {
3582                         if (client->modsLoaded() &&
3583                                         client->getScript()->on_dignode(nodepos, wasnode)) {
3584                                 return;
3585                         }
3586
3587                         const ContentFeatures &f = client->ndef()->get(wasnode);
3588                         if (f.node_dig_prediction == "air") {
3589                                 client->removeNode(nodepos);
3590                         } else if (!f.node_dig_prediction.empty()) {
3591                                 content_t id;
3592                                 bool found = client->ndef()->getId(f.node_dig_prediction, id);
3593                                 if (found)
3594                                         client->addNode(nodepos, id, true);
3595                         }
3596                         // implicit else: no prediction
3597                 }
3598
3599                 client->interact(INTERACT_DIGGING_COMPLETED, pointed);
3600
3601                 if (m_cache_enable_particles) {
3602                         const ContentFeatures &features =
3603                                 client->getNodeDefManager()->get(wasnode);
3604                         client->getParticleManager()->addDiggingParticles(client,
3605                                 player, nodepos, wasnode, features);
3606                 }
3607
3608
3609                 // Send event to trigger sound
3610                 client->getEventManager()->put(new NodeDugEvent(nodepos, wasnode));
3611         }
3612
3613         if (runData.dig_time_complete < 100000.0) {
3614                 runData.dig_time += dtime;
3615         } else {
3616                 runData.dig_time = 0;
3617                 client->setCrack(-1, nodepos);
3618         }
3619
3620         camera->setDigging(0);  // left click animation
3621 }
3622
3623
3624 void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
3625                 const CameraOrientation &cam)
3626 {
3627         TimeTaker tt_update("Game::updateFrame()");
3628         LocalPlayer *player = client->getEnv().getLocalPlayer();
3629
3630         /*
3631                 Fog range
3632         */
3633
3634         if (draw_control->range_all) {
3635                 runData.fog_range = 100000 * BS;
3636         } else {
3637                 runData.fog_range = draw_control->wanted_range * BS;
3638         }
3639
3640         /*
3641                 Calculate general brightness
3642         */
3643         u32 daynight_ratio = client->getEnv().getDayNightRatio();
3644         float time_brightness = decode_light_f((float)daynight_ratio / 1000.0);
3645         float direct_brightness;
3646         bool sunlight_seen;
3647
3648         if (m_cache_enable_noclip && m_cache_enable_free_move) {
3649                 direct_brightness = time_brightness;
3650                 sunlight_seen = true;
3651         } else {
3652                 float old_brightness = sky->getBrightness();
3653                 direct_brightness = client->getEnv().getClientMap()
3654                                 .getBackgroundBrightness(MYMIN(runData.fog_range * 1.2, 60 * BS),
3655                                         daynight_ratio, (int)(old_brightness * 255.5), &sunlight_seen)
3656                                     / 255.0;
3657         }
3658
3659         float time_of_day_smooth = runData.time_of_day_smooth;
3660         float time_of_day = client->getEnv().getTimeOfDayF();
3661
3662         static const float maxsm = 0.05f;
3663         static const float todsm = 0.05f;
3664
3665         if (std::fabs(time_of_day - time_of_day_smooth) > maxsm &&
3666                         std::fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
3667                         std::fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
3668                 time_of_day_smooth = time_of_day;
3669
3670         if (time_of_day_smooth > 0.8 && time_of_day < 0.2)
3671                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
3672                                 + (time_of_day + 1.0) * todsm;
3673         else
3674                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
3675                                 + time_of_day * todsm;
3676
3677         runData.time_of_day_smooth = time_of_day_smooth;
3678
3679         sky->update(time_of_day_smooth, time_brightness, direct_brightness,
3680                         sunlight_seen, camera->getCameraMode(), player->getYaw(),
3681                         player->getPitch());
3682
3683         /*
3684                 Update clouds
3685         */
3686         if (clouds) {
3687                 if (sky->getCloudsVisible()) {
3688                         clouds->setVisible(true);
3689                         clouds->step(dtime);
3690                         // camera->getPosition is not enough for 3rd person views
3691                         v3f camera_node_position = camera->getCameraNode()->getPosition();
3692                         v3s16 camera_offset      = camera->getOffset();
3693                         camera_node_position.X   = camera_node_position.X + camera_offset.X * BS;
3694                         camera_node_position.Y   = camera_node_position.Y + camera_offset.Y * BS;
3695                         camera_node_position.Z   = camera_node_position.Z + camera_offset.Z * BS;
3696                         clouds->update(camera_node_position,
3697                                         sky->getCloudColor());
3698                         if (clouds->isCameraInsideCloud() && m_cache_enable_fog) {
3699                                 // if inside clouds, and fog enabled, use that as sky
3700                                 // color(s)
3701                                 video::SColor clouds_dark = clouds->getColor()
3702                                                 .getInterpolated(video::SColor(255, 0, 0, 0), 0.9);
3703                                 sky->overrideColors(clouds_dark, clouds->getColor());
3704                                 sky->setBodiesVisible(false);
3705                                 runData.fog_range = std::fmin(runData.fog_range * 0.5f, 32.0f * BS);
3706                                 // do not draw clouds after all
3707                                 clouds->setVisible(false);
3708                         }
3709                 } else {
3710                         clouds->setVisible(false);
3711                 }
3712         }
3713
3714         /*
3715                 Update particles
3716         */
3717         client->getParticleManager()->step(dtime);
3718
3719         /*
3720                 Fog
3721         */
3722
3723         if (m_cache_enable_fog) {
3724                 driver->setFog(
3725                                 sky->getBgColor(),
3726                                 video::EFT_FOG_LINEAR,
3727                                 runData.fog_range * m_cache_fog_start,
3728                                 runData.fog_range * 1.0,
3729                                 0.01,
3730                                 false, // pixel fog
3731                                 true // range fog
3732                 );
3733         } else {
3734                 driver->setFog(
3735                                 sky->getBgColor(),
3736                                 video::EFT_FOG_LINEAR,
3737                                 100000 * BS,
3738                                 110000 * BS,
3739                                 0.01f,
3740                                 false, // pixel fog
3741                                 false // range fog
3742                 );
3743         }
3744
3745         /*
3746                 Get chat messages from client
3747         */
3748
3749         v2u32 screensize = driver->getScreenSize();
3750
3751         updateChat(dtime, screensize);
3752
3753         /*
3754                 Inventory
3755         */
3756
3757         if (player->getWieldIndex() != runData.new_playeritem)
3758                 client->setPlayerItem(runData.new_playeritem);
3759
3760         if (client->updateWieldedItem()) {
3761                 // Update wielded tool
3762                 ItemStack selected_item, hand_item;
3763                 ItemStack &tool_item = player->getWieldedItem(&selected_item, &hand_item);
3764                 camera->wield(tool_item);
3765         }
3766
3767         /*
3768                 Update block draw list every 200ms or when camera direction has
3769                 changed much
3770         */
3771         runData.update_draw_list_timer += dtime;
3772
3773         v3f camera_direction = camera->getDirection();
3774         if (runData.update_draw_list_timer >= 0.2
3775                         || runData.update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2
3776                         || m_camera_offset_changed) {
3777                 runData.update_draw_list_timer = 0;
3778                 client->getEnv().getClientMap().updateDrawList();
3779                 runData.update_draw_list_last_cam_dir = camera_direction;
3780         }
3781
3782         m_game_ui->update(*stats, client, draw_control, cam, runData.pointed_old, gui_chat_console, dtime);
3783
3784         /*
3785            make sure menu is on top
3786            1. Delete formspec menu reference if menu was removed
3787            2. Else, make sure formspec menu is on top
3788         */
3789         auto formspec = m_game_ui->getFormspecGUI();
3790         do { // breakable. only runs for one iteration
3791                 if (!formspec)
3792                         break;
3793
3794                 if (formspec->getReferenceCount() == 1) {
3795                         m_game_ui->deleteFormspec();
3796                         break;
3797                 }
3798
3799                 auto &loc = formspec->getFormspecLocation();
3800                 if (loc.type == InventoryLocation::NODEMETA) {
3801                         NodeMetadata *meta = client->getEnv().getClientMap().getNodeMetadata(loc.p);
3802                         if (!meta || meta->getString("formspec").empty()) {
3803                                 formspec->quitMenu();
3804                                 break;
3805                         }
3806                 }
3807
3808                 if (isMenuActive())
3809                         guiroot->bringToFront(formspec);
3810         } while (false);
3811
3812         /*
3813                 Drawing begins
3814         */
3815         const video::SColor &skycolor = sky->getSkyColor();
3816
3817         TimeTaker tt_draw("Draw scene");
3818         driver->beginScene(true, true, skycolor);
3819
3820         bool draw_wield_tool = (m_game_ui->m_flags.show_hud &&
3821                         (player->hud_flags & HUD_FLAG_WIELDITEM_VISIBLE) &&
3822                         (camera->getCameraMode() == CAMERA_MODE_FIRST));
3823         bool draw_crosshair = (
3824                         (player->hud_flags & HUD_FLAG_CROSSHAIR_VISIBLE) &&
3825                         (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT));
3826 #ifdef HAVE_TOUCHSCREENGUI
3827         try {
3828                 draw_crosshair = !g_settings->getBool("touchtarget");
3829         } catch (SettingNotFoundException) {
3830         }
3831 #endif
3832         RenderingEngine::draw_scene(skycolor, m_game_ui->m_flags.show_hud,
3833                         m_game_ui->m_flags.show_minimap, draw_wield_tool, draw_crosshair);
3834
3835         /*
3836                 Profiler graph
3837         */
3838         if (m_game_ui->m_flags.show_profiler_graph)
3839                 graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
3840
3841         /*
3842                 Damage flash
3843         */
3844         if (runData.damage_flash > 0.0f) {
3845                 video::SColor color(runData.damage_flash, 180, 0, 0);
3846                 driver->draw2DRectangle(color,
3847                                         core::rect<s32>(0, 0, screensize.X, screensize.Y),
3848                                         NULL);
3849
3850                 runData.damage_flash -= 384.0f * dtime;
3851         }
3852
3853         /*
3854                 Damage camera tilt
3855         */
3856         if (player->hurt_tilt_timer > 0.0f) {
3857                 player->hurt_tilt_timer -= dtime * 6.0f;
3858
3859                 if (player->hurt_tilt_timer < 0.0f)
3860                         player->hurt_tilt_strength = 0.0f;
3861         }
3862
3863         /*
3864                 Update minimap pos and rotation
3865         */
3866         if (mapper && m_game_ui->m_flags.show_minimap && m_game_ui->m_flags.show_hud) {
3867                 mapper->setPos(floatToInt(player->getPosition(), BS));
3868                 mapper->setAngle(player->getYaw());
3869         }
3870
3871         /*
3872                 End scene
3873         */
3874         driver->endScene();
3875
3876         stats->drawtime = tt_draw.stop(true);
3877         g_profiler->avg("Game::updateFrame(): draw scene [ms]", stats->drawtime);
3878         g_profiler->graphAdd("Update frame [ms]", tt_update.stop(true));
3879 }
3880
3881 /* Log times and stuff for visualization */
3882 inline void Game::updateProfilerGraphs(ProfilerGraph *graph)
3883 {
3884         Profiler::GraphValues values;
3885         g_profiler->graphGet(values);
3886         graph->put(values);
3887 }
3888
3889
3890
3891 /****************************************************************************
3892  Misc
3893  ****************************************************************************/
3894
3895 /* On some computers framerate doesn't seem to be automatically limited
3896  */
3897 inline void Game::limitFps(FpsControl *fps_timings, f32 *dtime)
3898 {
3899         // not using getRealTime is necessary for wine
3900         device->getTimer()->tick(); // Maker sure device time is up-to-date
3901         u32 time = device->getTimer()->getTime();
3902         u32 last_time = fps_timings->last_time;
3903
3904         if (time > last_time)  // Make sure time hasn't overflowed
3905                 fps_timings->busy_time = time - last_time;
3906         else
3907                 fps_timings->busy_time = 0;
3908
3909         u32 frametime_min = 1000 / (g_menumgr.pausesGame()
3910                         ? g_settings->getFloat("pause_fps_max")
3911                         : g_settings->getFloat("fps_max"));
3912
3913         if (fps_timings->busy_time < frametime_min) {
3914                 fps_timings->sleep_time = frametime_min - fps_timings->busy_time;
3915                 device->sleep(fps_timings->sleep_time);
3916         } else {
3917                 fps_timings->sleep_time = 0;
3918         }
3919
3920         /* Get the new value of the device timer. Note that device->sleep() may
3921          * not sleep for the entire requested time as sleep may be interrupted and
3922          * therefore it is arguably more accurate to get the new time from the
3923          * device rather than calculating it by adding sleep_time to time.
3924          */
3925
3926         device->getTimer()->tick(); // Update device timer
3927         time = device->getTimer()->getTime();
3928
3929         if (time > last_time)  // Make sure last_time hasn't overflowed
3930                 *dtime = (time - last_time) / 1000.0;
3931         else
3932                 *dtime = 0;
3933
3934         fps_timings->last_time = time;
3935 }
3936
3937 void Game::showOverlayMessage(const char *msg, float dtime, int percent, bool draw_clouds)
3938 {
3939         const wchar_t *wmsg = wgettext(msg);
3940         RenderingEngine::draw_load_screen(wmsg, guienv, texture_src, dtime, percent,
3941                 draw_clouds);
3942         delete[] wmsg;
3943 }
3944
3945 void Game::settingChangedCallback(const std::string &setting_name, void *data)
3946 {
3947         ((Game *)data)->readSettings();
3948 }
3949
3950 void Game::readSettings()
3951 {
3952         m_cache_doubletap_jump               = g_settings->getBool("doubletap_jump");
3953         m_cache_enable_clouds                = g_settings->getBool("enable_clouds");
3954         m_cache_enable_joysticks             = g_settings->getBool("enable_joysticks");
3955         m_cache_enable_particles             = g_settings->getBool("enable_particles");
3956         m_cache_enable_fog                   = g_settings->getBool("enable_fog");
3957         m_cache_mouse_sensitivity            = g_settings->getFloat("mouse_sensitivity");
3958         m_cache_joystick_frustum_sensitivity = g_settings->getFloat("joystick_frustum_sensitivity");
3959         m_repeat_right_click_time            = g_settings->getFloat("repeat_rightclick_time");
3960
3961         m_cache_enable_noclip                = g_settings->getBool("noclip");
3962         m_cache_enable_free_move             = g_settings->getBool("free_move");
3963
3964         m_cache_fog_start                    = g_settings->getFloat("fog_start");
3965
3966         m_cache_cam_smoothing = 0;
3967         if (g_settings->getBool("cinematic"))
3968                 m_cache_cam_smoothing = 1 - g_settings->getFloat("cinematic_camera_smoothing");
3969         else
3970                 m_cache_cam_smoothing = 1 - g_settings->getFloat("camera_smoothing");
3971
3972         m_cache_fog_start = rangelim(m_cache_fog_start, 0.0f, 0.99f);
3973         m_cache_cam_smoothing = rangelim(m_cache_cam_smoothing, 0.01f, 1.0f);
3974         m_cache_mouse_sensitivity = rangelim(m_cache_mouse_sensitivity, 0.001, 100.0);
3975
3976         m_does_lost_focus_pause_game = g_settings->getBool("pause_on_lost_focus");
3977 }
3978
3979 /****************************************************************************/
3980 /****************************************************************************
3981  Shutdown / cleanup
3982  ****************************************************************************/
3983 /****************************************************************************/
3984
3985 void Game::extendedResourceCleanup()
3986 {
3987         // Extended resource accounting
3988         infostream << "Irrlicht resources after cleanup:" << std::endl;
3989         infostream << "\tRemaining meshes   : "
3990                    << RenderingEngine::get_mesh_cache()->getMeshCount() << std::endl;
3991         infostream << "\tRemaining textures : "
3992                    << driver->getTextureCount() << std::endl;
3993
3994         for (unsigned int i = 0; i < driver->getTextureCount(); i++) {
3995                 irr::video::ITexture *texture = driver->getTextureByIndex(i);
3996                 infostream << "\t\t" << i << ":" << texture->getName().getPath().c_str()
3997                            << std::endl;
3998         }
3999
4000         clearTextureNameCache();
4001         infostream << "\tRemaining materials: "
4002                << driver-> getMaterialRendererCount()
4003                        << " (note: irrlicht doesn't support removing renderers)" << std::endl;
4004 }
4005
4006 void Game::showDeathFormspec()
4007 {
4008         static std::string formspec_str =
4009                 std::string("formspec_version[1]") +
4010                 SIZE_TAG
4011                 "bgcolor[#320000b4;true]"
4012                 "label[4.85,1.35;" + gettext("You died") + "]"
4013                 "button_exit[4,3;3,0.5;btn_respawn;" + gettext("Respawn") + "]"
4014                 ;
4015
4016         /* Create menu */
4017         /* Note: FormspecFormSource and LocalFormspecHandler  *
4018          * are deleted by guiFormSpecMenu                     */
4019         FormspecFormSource *fs_src = new FormspecFormSource(formspec_str);
4020         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_DEATH_SCREEN", client);
4021
4022         auto *&formspec = m_game_ui->getFormspecGUI();
4023         GUIFormSpecMenu::create(formspec, client, &input->joystick,
4024                 fs_src, txt_dst, client->getFormspecPrepend());
4025         formspec->setFocus("btn_respawn");
4026 }
4027
4028 #define GET_KEY_NAME(KEY) gettext(getKeySetting(#KEY).name())
4029 void Game::showPauseMenu()
4030 {
4031 #ifdef __ANDROID__
4032         static const std::string control_text = strgettext("Default Controls:\n"
4033                 "No menu visible:\n"
4034                 "- single tap: button activate\n"
4035                 "- double tap: place/use\n"
4036                 "- slide finger: look around\n"
4037                 "Menu/Inventory visible:\n"
4038                 "- double tap (outside):\n"
4039                 " -->close\n"
4040                 "- touch stack, touch slot:\n"
4041                 " --> move stack\n"
4042                 "- touch&drag, tap 2nd finger\n"
4043                 " --> place single item to slot\n"
4044                 );
4045 #else
4046         static const std::string control_text_template = strgettext("Controls:\n"
4047                 "- %s: move forwards\n"
4048                 "- %s: move backwards\n"
4049                 "- %s: move left\n"
4050                 "- %s: move right\n"
4051                 "- %s: jump/climb\n"
4052                 "- %s: sneak/go down\n"
4053                 "- %s: drop item\n"
4054                 "- %s: inventory\n"
4055                 "- Mouse: turn/look\n"
4056                 "- Mouse left: dig/punch\n"
4057                 "- Mouse right: place/use\n"
4058                 "- Mouse wheel: select item\n"
4059                 "- %s: chat\n"
4060         );
4061
4062          char control_text_buf[600];
4063
4064          porting::mt_snprintf(control_text_buf, sizeof(control_text_buf), control_text_template.c_str(),
4065                         GET_KEY_NAME(keymap_forward),
4066                         GET_KEY_NAME(keymap_backward),
4067                         GET_KEY_NAME(keymap_left),
4068                         GET_KEY_NAME(keymap_right),
4069                         GET_KEY_NAME(keymap_jump),
4070                         GET_KEY_NAME(keymap_sneak),
4071                         GET_KEY_NAME(keymap_drop),
4072                         GET_KEY_NAME(keymap_inventory),
4073                         GET_KEY_NAME(keymap_chat)
4074                         );
4075
4076         std::string control_text = std::string(control_text_buf);
4077         str_formspec_escape(control_text);
4078 #endif
4079
4080         float ypos = simple_singleplayer_mode ? 0.7f : 0.1f;
4081         std::ostringstream os;
4082
4083         os << "formspec_version[1]" << SIZE_TAG
4084                 << "button_exit[4," << (ypos++) << ";3,0.5;btn_continue;"
4085                 << strgettext("Continue") << "]";
4086
4087         if (!simple_singleplayer_mode) {
4088                 os << "button_exit[4," << (ypos++) << ";3,0.5;btn_change_password;"
4089                         << strgettext("Change Password") << "]";
4090         } else {
4091                 os << "field[4.95,0;5,1.5;;" << strgettext("Game paused") << ";]";
4092         }
4093
4094 #ifndef __ANDROID__
4095         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_sound;"
4096                 << strgettext("Sound Volume") << "]";
4097         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_key_config;"
4098                 << strgettext("Change Keys")  << "]";
4099 #endif
4100         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_menu;"
4101                 << strgettext("Exit to Menu") << "]";
4102         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_os;"
4103                 << strgettext("Exit to OS")   << "]"
4104                 << "textarea[7.5,0.25;3.9,6.25;;" << control_text << ";]"
4105                 << "textarea[0.4,0.25;3.9,6.25;;" << PROJECT_NAME_C " " VERSION_STRING "\n"
4106                 << "\n"
4107                 <<  strgettext("Game info:") << "\n";
4108         const std::string &address = client->getAddressName();
4109         static const std::string mode = strgettext("- Mode: ");
4110         if (!simple_singleplayer_mode) {
4111                 Address serverAddress = client->getServerAddress();
4112                 if (!address.empty()) {
4113                         os << mode << strgettext("Remote server") << "\n"
4114                                         << strgettext("- Address: ") << address;
4115                 } else {
4116                         os << mode << strgettext("Hosting server");
4117                 }
4118                 os << "\n" << strgettext("- Port: ") << serverAddress.getPort() << "\n";
4119         } else {
4120                 os << mode << strgettext("Singleplayer") << "\n";
4121         }
4122         if (simple_singleplayer_mode || address.empty()) {
4123                 static const std::string on = strgettext("On");
4124                 static const std::string off = strgettext("Off");
4125                 const std::string &damage = g_settings->getBool("enable_damage") ? on : off;
4126                 const std::string &creative = g_settings->getBool("creative_mode") ? on : off;
4127                 const std::string &announced = g_settings->getBool("server_announce") ? on : off;
4128                 os << strgettext("- Damage: ") << damage << "\n"
4129                                 << strgettext("- Creative Mode: ") << creative << "\n";
4130                 if (!simple_singleplayer_mode) {
4131                         const std::string &pvp = g_settings->getBool("enable_pvp") ? on : off;
4132                         os << strgettext("- PvP: ") << pvp << "\n"
4133                                         << strgettext("- Public: ") << announced << "\n";
4134                         std::string server_name = g_settings->get("server_name");
4135                         str_formspec_escape(server_name);
4136                         if (announced == on && !server_name.empty())
4137                                 os << strgettext("- Server Name: ") << server_name;
4138
4139                 }
4140         }
4141         os << ";]";
4142
4143         /* Create menu */
4144         /* Note: FormspecFormSource and LocalFormspecHandler  *
4145          * are deleted by guiFormSpecMenu                     */
4146         FormspecFormSource *fs_src = new FormspecFormSource(os.str());
4147         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_PAUSE_MENU");
4148
4149         auto *&formspec = m_game_ui->getFormspecGUI();
4150         GUIFormSpecMenu::create(formspec, client, &input->joystick,
4151                         fs_src, txt_dst, client->getFormspecPrepend());
4152         formspec->setFocus("btn_continue");
4153         formspec->doPause = true;
4154 }
4155
4156 /****************************************************************************/
4157 /****************************************************************************
4158  extern function for launching the game
4159  ****************************************************************************/
4160 /****************************************************************************/
4161
4162 void the_game(bool *kill,
4163                 bool random_input,
4164                 InputHandler *input,
4165                 const std::string &map_dir,
4166                 const std::string &playername,
4167                 const std::string &password,
4168                 const std::string &address,         // If empty local server is created
4169                 u16 port,
4170
4171                 std::string &error_message,
4172                 ChatBackend &chat_backend,
4173                 bool *reconnect_requested,
4174                 const SubgameSpec &gamespec,        // Used for local game
4175                 bool simple_singleplayer_mode)
4176 {
4177         Game game;
4178
4179         /* Make a copy of the server address because if a local singleplayer server
4180          * is created then this is updated and we don't want to change the value
4181          * passed to us by the calling function
4182          */
4183         std::string server_address = address;
4184
4185         try {
4186
4187                 if (game.startup(kill, random_input, input, map_dir,
4188                                 playername, password, &server_address, port, error_message,
4189                                 reconnect_requested, &chat_backend, gamespec,
4190                                 simple_singleplayer_mode)) {
4191                         game.run();
4192                         game.shutdown();
4193                 }
4194
4195         } catch (SerializationError &e) {
4196                 error_message = std::string("A serialization error occurred:\n")
4197                                 + e.what() + "\n\nThe server is probably "
4198                                 " running a different version of " PROJECT_NAME_C ".";
4199                 errorstream << error_message << std::endl;
4200         } catch (ServerError &e) {
4201                 error_message = e.what();
4202                 errorstream << "ServerError: " << error_message << std::endl;
4203         } catch (ModError &e) {
4204                 error_message = std::string("ModError: ") + e.what() +
4205                                 strgettext("\nCheck debug.txt for details.");
4206                 errorstream << error_message << std::endl;
4207         }
4208 }