src/client/game.h

   1 /*
   2 Minetest
   3 Copyright (C) 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 #pragma once
  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/sound.h"
  31 #include "client/tile.h"     // For TextureSource
  32 #include "client/keys.h"
  33 #include "client/joystick_controller.h"
  34 #include "clientmap.h"
  35 #include "clouds.h"
  36 #include "config.h"
  37 #include "content_cao.h"
  38 #include "client/event_manager.h"
  39 #include "fontengine.h"
  40 #include "itemdef.h"
  41 #include "log.h"
  42 #include "filesys.h"
  43 #include "gettext.h"
  44 #include "gui/cheatMenu.h"
  45 #include "gui/guiChatConsole.h"
  46 #include "gui/guiConfirmRegistration.h"
  47 #include "gui/guiFormSpecMenu.h"
  48 #include "gui/guiKeyChangeMenu.h"
  49 #include "gui/guiPasswordChange.h"
  50 #include "gui/guiVolumeChange.h"
  51 #include "gui/mainmenumanager.h"
  52 #include "gui/profilergraph.h"
  53 #include "mapblock.h"
  54 #include "minimap.h"
  55 #include "nodedef.h"         // Needed for determining pointing to nodes
  56 #include "nodemetadata.h"
  57 #include "particles.h"
  58 #include "porting.h"
  59 #include "profiler.h"
  60 #include "raycast.h"
  61 #include "server.h"
  62 #include "settings.h"
  63 #include "shader.h"
  64 #include "sky.h"
  65 #include "translation.h"
  66 #include "util/basic_macros.h"
  67 #include "util/directiontables.h"
  68 #include "util/pointedthing.h"
  69 #include "util/quicktune_shortcutter.h"
  70 #include "irrlicht_changes/static_text.h"
  71 #include "irr_ptr.h"
  72 #include "version.h"
  73 #include "script/scripting_client.h"
  74 #include "hud.h"
  75 #include "irrlichttypes.h"
  76 #include <string>
  77
  78 class InputHandler;
  79 class ChatBackend;
  80 class RenderingEngine;
  81 struct SubgameSpec;
  82 struct GameStartData;
  83
  84 struct Jitter {
  85         f32 max, min, avg, counter, max_sample, min_sample, max_fraction;
  86 };
  87
  88 struct RunStats {
  89         u32 drawtime;
  90
  91         Jitter dtime_jitter, busy_time_jitter;
  92 };
  93
  94 struct CameraOrientation {
  95         f32 camera_yaw;    // "right/left"
  96         f32 camera_pitch;  // "up/down"
  97 };
  98
  99 /*
 100         Text input system
 101 */
 102
 103 struct TextDestNodeMetadata : public TextDest
 104 {
 105         TextDestNodeMetadata(v3s16 p, Client *client)
 106         {
 107                 m_p = p;
 108                 m_client = client;
 109         }
 110         // This is deprecated I guess? -celeron55
 111         void gotText(const std::wstring &text)
 112         {
 113                 std::string ntext = wide_to_utf8(text);
 114                 infostream << "Submitting 'text' field of node at (" << m_p.X << ","
 115                            << m_p.Y << "," << m_p.Z << "): " << ntext << std::endl;
 116                 StringMap fields;
 117                 fields["text"] = ntext;
 118                 m_client->sendNodemetaFields(m_p, "", fields);
 119         }
 120         void gotText(const StringMap &fields)
 121         {
 122                 m_client->sendNodemetaFields(m_p, "", fields);
 123         }
 124
 125         v3s16 m_p;
 126         Client *m_client;
 127 };
 128
 129 struct TextDestPlayerInventory : public TextDest
 130 {
 131         TextDestPlayerInventory(Client *client)
 132         {
 133                 m_client = client;
 134                 m_formname = "";
 135         }
 136         TextDestPlayerInventory(Client *client, const std::string &formname)
 137         {
 138                 m_client = client;
 139                 m_formname = formname;
 140         }
 141         void gotText(const StringMap &fields)
 142         {
 143                 m_client->sendInventoryFields(m_formname, fields);
 144         }
 145
 146         Client *m_client;
 147 };
 148
 149 struct LocalFormspecHandler : public TextDest
 150 {
 151         LocalFormspecHandler(const std::string &formname)
 152         {
 153                 m_formname = formname;
 154         }
 155
 156         LocalFormspecHandler(const std::string &formname, Client *client):
 157                 m_client(client)
 158         {
 159                 m_formname = formname;
 160         }
 161
 162         void gotText(const StringMap &fields)
 163         {
 164                 if (m_formname == "MT_PAUSE_MENU") {
 165                         if (fields.find("btn_sound") != fields.end()) {
 166                                 g_gamecallback->changeVolume();
 167                                 return;
 168                         }
 169
 170                         if (fields.find("btn_key_config") != fields.end()) {
 171                                 g_gamecallback->keyConfig();
 172                                 return;
 173                         }
 174
 175                         if (fields.find("btn_exit_menu") != fields.end()) {
 176                                 g_gamecallback->disconnect();
 177                                 return;
 178                         }
 179
 180                         if (fields.find("btn_exit_os") != fields.end()) {
 181                                 g_gamecallback->exitToOS();
 182 #ifndef __ANDROID__
 183                                 RenderingEngine::get_raw_device()->closeDevice();
 184 #endif
 185                                 return;
 186                         }
 187
 188                         if (fields.find("btn_change_password") != fields.end()) {
 189                                 g_gamecallback->changePassword();
 190                                 return;
 191                         }
 192
 193                         return;
 194                 }
 195
 196                 if (m_formname == "MT_DEATH_SCREEN") {
 197                         assert(m_client != 0);
 198                         m_client->sendRespawn();
 199                         return;
 200                 }
 201
 202                 if (m_client->modsLoaded())
 203                         m_client->getScript()->on_formspec_input(m_formname, fields);
 204         }
 205
 206         Client *m_client = nullptr;
 207 };
 208
 209 /* Form update callback */
 210
 211 class NodeMetadataFormSource: public IFormSource
 212 {
 213 public:
 214         NodeMetadataFormSource(ClientMap *map, v3s16 p):
 215                 m_map(map),
 216                 m_p(p)
 217         {
 218         }
 219         const std::string &getForm() const
 220         {
 221                 static const std::string empty_string = "";
 222                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 223
 224                 if (!meta)
 225                         return empty_string;
 226
 227                 return meta->getString("formspec");
 228         }
 229
 230         virtual std::string resolveText(const std::string &str)
 231         {
 232                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 233
 234                 if (!meta)
 235                         return str;
 236
 237                 return meta->resolveString(str);
 238         }
 239
 240         ClientMap *m_map;
 241         v3s16 m_p;
 242 };
 243
 244 class PlayerInventoryFormSource: public IFormSource
 245 {
 246 public:
 247         PlayerInventoryFormSource(Client *client):
 248                 m_client(client)
 249         {
 250         }
 251
 252         const std::string &getForm() const
 253         {
 254                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
 255                 return player->inventory_formspec;
 256         }
 257
 258         Client *m_client;
 259 };
 260
 261 class NodeDugEvent: public MtEvent
 262 {
 263 public:
 264         v3s16 p;
 265         MapNode n;
 266
 267         NodeDugEvent(v3s16 p, MapNode n):
 268                 p(p),
 269                 n(n)
 270         {}
 271         MtEvent::Type getType() const
 272         {
 273                 return MtEvent::NODE_DUG;
 274         }
 275 };
 276
 277 class SoundMaker
 278 {
 279         ISoundManager *m_sound;
 280         const NodeDefManager *m_ndef;
 281 public:
 282         bool makes_footstep_sound;
 283         float m_player_step_timer;
 284         float m_player_jump_timer;
 285
 286         SimpleSoundSpec m_player_step_sound;
 287         SimpleSoundSpec m_player_leftpunch_sound;
 288         SimpleSoundSpec m_player_rightpunch_sound;
 289
 290         SoundMaker(ISoundManager *sound, const NodeDefManager *ndef):
 291                 m_sound(sound),
 292                 m_ndef(ndef),
 293                 makes_footstep_sound(true),
 294                 m_player_step_timer(0.0f),
 295                 m_player_jump_timer(0.0f)
 296         {
 297         }
 298
 299         void playPlayerStep()
 300         {
 301                 if (m_player_step_timer <= 0 && m_player_step_sound.exists()) {
 302                         m_player_step_timer = 0.03;
 303                         if (makes_footstep_sound)
 304                                 m_sound->playSound(m_player_step_sound, false);
 305                 }
 306         }
 307
 308         void playPlayerJump()
 309         {
 310                 if (m_player_jump_timer <= 0.0f) {
 311                         m_player_jump_timer = 0.2f;
 312                         m_sound->playSound(SimpleSoundSpec("player_jump", 0.5f), false);
 313                 }
 314         }
 315
 316         static void viewBobbingStep(MtEvent *e, void *data)
 317         {
 318                 SoundMaker *sm = (SoundMaker *)data;
 319                 sm->playPlayerStep();
 320         }
 321
 322         static void playerRegainGround(MtEvent *e, void *data)
 323         {
 324                 SoundMaker *sm = (SoundMaker *)data;
 325                 sm->playPlayerStep();
 326         }
 327
 328         static void playerJump(MtEvent *e, void *data)
 329         {
 330                 SoundMaker *sm = (SoundMaker *)data;
 331                 sm->playPlayerJump();
 332         }
 333
 334         static void cameraPunchLeft(MtEvent *e, void *data)
 335         {
 336                 SoundMaker *sm = (SoundMaker *)data;
 337                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
 338         }
 339
 340         static void cameraPunchRight(MtEvent *e, void *data)
 341         {
 342                 SoundMaker *sm = (SoundMaker *)data;
 343                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
 344         }
 345
 346         static void nodeDug(MtEvent *e, void *data)
 347         {
 348                 SoundMaker *sm = (SoundMaker *)data;
 349                 NodeDugEvent *nde = (NodeDugEvent *)e;
 350                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
 351         }
 352
 353         static void playerDamage(MtEvent *e, void *data)
 354         {
 355                 SoundMaker *sm = (SoundMaker *)data;
 356                 sm->m_sound->playSound(SimpleSoundSpec("player_damage", 0.5), false);
 357         }
 358
 359         static void playerFallingDamage(MtEvent *e, void *data)
 360         {
 361                 SoundMaker *sm = (SoundMaker *)data;
 362                 sm->m_sound->playSound(SimpleSoundSpec("player_falling_damage", 0.5), false);
 363         }
 364
 365         void registerReceiver(MtEventManager *mgr)
 366         {
 367                 mgr->reg(MtEvent::VIEW_BOBBING_STEP, SoundMaker::viewBobbingStep, this);
 368                 mgr->reg(MtEvent::PLAYER_REGAIN_GROUND, SoundMaker::playerRegainGround, this);
 369                 mgr->reg(MtEvent::PLAYER_JUMP, SoundMaker::playerJump, this);
 370                 mgr->reg(MtEvent::CAMERA_PUNCH_LEFT, SoundMaker::cameraPunchLeft, this);
 371                 mgr->reg(MtEvent::CAMERA_PUNCH_RIGHT, SoundMaker::cameraPunchRight, this);
 372                 mgr->reg(MtEvent::NODE_DUG, SoundMaker::nodeDug, this);
 373                 mgr->reg(MtEvent::PLAYER_DAMAGE, SoundMaker::playerDamage, this);
 374                 mgr->reg(MtEvent::PLAYER_FALLING_DAMAGE, SoundMaker::playerFallingDamage, this);
 375         }
 376
 377         void step(float dtime)
 378         {
 379                 m_player_step_timer -= dtime;
 380                 m_player_jump_timer -= dtime;
 381         }
 382 };
 383
 384 // Locally stored sounds don't need to be preloaded because of this
 385 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
 386 {
 387         std::set<std::string> m_fetched;
 388 private:
 389         void paths_insert(std::set<std::string> &dst_paths,
 390                 const std::string &base,
 391                 const std::string &name)
 392         {
 393                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".ogg");
 394                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".0.ogg");
 395                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".1.ogg");
 396                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".2.ogg");
 397                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".3.ogg");
 398                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".4.ogg");
 399                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".5.ogg");
 400                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".6.ogg");
 401                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".7.ogg");
 402                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".8.ogg");
 403                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".9.ogg");
 404         }
 405 public:
 406         void fetchSounds(const std::string &name,
 407                 std::set<std::string> &dst_paths,
 408                 std::set<std::string> &dst_datas)
 409         {
 410                 if (m_fetched.count(name))
 411                         return;
 412
 413                 m_fetched.insert(name);
 414
 415                 paths_insert(dst_paths, porting::path_share, name);
 416                 paths_insert(dst_paths, porting::path_user,  name);
 417         }
 418 };
 419
 420
 421 typedef s32 SamplerLayer_t;
 422
 423
 424 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
 425 {
 426         Sky *m_sky;
 427         bool *m_force_fog_off;
 428         f32 *m_fog_range;
 429         bool m_fog_enabled;
 430         CachedPixelShaderSetting<float, 4> m_sky_bg_color;
 431         CachedPixelShaderSetting<float> m_fog_distance;
 432         CachedVertexShaderSetting<float> m_animation_timer_vertex;
 433         CachedPixelShaderSetting<float> m_animation_timer_pixel;
 434         CachedPixelShaderSetting<float, 3> m_day_light;
 435         CachedPixelShaderSetting<float, 4> m_star_color;
 436         CachedPixelShaderSetting<float, 3> m_eye_position_pixel;
 437         CachedVertexShaderSetting<float, 3> m_eye_position_vertex;
 438         CachedPixelShaderSetting<float, 3> m_minimap_yaw;
 439         CachedPixelShaderSetting<float, 3> m_camera_offset_pixel;
 440         CachedPixelShaderSetting<float, 3> m_camera_offset_vertex;
 441         CachedPixelShaderSetting<SamplerLayer_t> m_base_texture;
 442         CachedPixelShaderSetting<SamplerLayer_t> m_normal_texture;
 443         Client *m_client;
 444
 445 public:
 446         void onSettingsChange(const std::string &name)
 447         {
 448                 if (name == "enable_fog")
 449                         m_fog_enabled = g_settings->getBool("enable_fog");
 450         }
 451
 452         static void settingsCallback(const std::string &name, void *userdata)
 453         {
 454                 reinterpret_cast<GameGlobalShaderConstantSetter*>(userdata)->onSettingsChange(name);
 455         }
 456
 457         void setSky(Sky *sky) { m_sky = sky; }
 458
 459         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
 460                         f32 *fog_range, Client *client) :
 461                 m_sky(sky),
 462                 m_force_fog_off(force_fog_off),
 463                 m_fog_range(fog_range),
 464                 m_sky_bg_color("skyBgColor"),
 465                 m_fog_distance("fogDistance"),
 466                 m_animation_timer_vertex("animationTimer"),
 467                 m_animation_timer_pixel("animationTimer"),
 468                 m_day_light("dayLight"),
 469                 m_star_color("starColor"),
 470                 m_eye_position_pixel("eyePosition"),
 471                 m_eye_position_vertex("eyePosition"),
 472                 m_minimap_yaw("yawVec"),
 473                 m_camera_offset_pixel("cameraOffset"),
 474                 m_camera_offset_vertex("cameraOffset"),
 475                 m_base_texture("baseTexture"),
 476                 m_normal_texture("normalTexture"),
 477                 m_client(client)
 478         {
 479                 g_settings->registerChangedCallback("enable_fog", settingsCallback, this);
 480                 m_fog_enabled = g_settings->getBool("enable_fog");
 481         }
 482
 483         ~GameGlobalShaderConstantSetter()
 484         {
 485                 g_settings->deregisterChangedCallback("enable_fog", settingsCallback, this);
 486         }
 487
 488         void onSetConstants(video::IMaterialRendererServices *services) override
 489         {
 490                 // Background color
 491                 video::SColor bgcolor = m_sky->getBgColor();
 492                 video::SColorf bgcolorf(bgcolor);
 493                 float bgcolorfa[4] = {
 494                         bgcolorf.r,
 495                         bgcolorf.g,
 496                         bgcolorf.b,
 497                         bgcolorf.a,
 498                 };
 499                 m_sky_bg_color.set(bgcolorfa, services);
 500
 501                 // Fog distance
 502                 float fog_distance = 10000 * BS;
 503
 504                 if (m_fog_enabled && !*m_force_fog_off)
 505                         fog_distance = *m_fog_range;
 506
 507                 m_fog_distance.set(&fog_distance, services);
 508
 509                 u32 daynight_ratio = (float)m_client->getEnv().getDayNightRatio();
 510                 video::SColorf sunlight;
 511                 get_sunlight_color(&sunlight, daynight_ratio);
 512                 float dnc[3] = {
 513                         sunlight.r,
 514                         sunlight.g,
 515                         sunlight.b };
 516                 m_day_light.set(dnc, services);
 517
 518                 video::SColorf star_color = m_sky->getCurrentStarColor();
 519                 float clr[4] = {star_color.r, star_color.g, star_color.b, star_color.a};
 520                 m_star_color.set(clr, services);
 521
 522                 u32 animation_timer = porting::getTimeMs() % 1000000;
 523                 float animation_timer_f = (float)animation_timer / 100000.f;
 524                 m_animation_timer_vertex.set(&animation_timer_f, services);
 525                 m_animation_timer_pixel.set(&animation_timer_f, services);
 526
 527                 float eye_position_array[3];
 528                 v3f epos = m_client->getEnv().getLocalPlayer()->getEyePosition();
 529                 epos.getAs3Values(eye_position_array);
 530                 m_eye_position_pixel.set(eye_position_array, services);
 531                 m_eye_position_vertex.set(eye_position_array, services);
 532
 533                 if (m_client->getMinimap()) {
 534                         float minimap_yaw_array[3];
 535                         v3f minimap_yaw = m_client->getMinimap()->getYawVec();
 536                         minimap_yaw.getAs3Values(minimap_yaw_array);
 537                         m_minimap_yaw.set(minimap_yaw_array, services);
 538                 }
 539
 540                 float camera_offset_array[3];
 541                 v3f offset = intToFloat(m_client->getCamera()->getOffset(), BS);
 542                 offset.getAs3Values(camera_offset_array);
 543                 m_camera_offset_pixel.set(camera_offset_array, services);
 544                 m_camera_offset_vertex.set(camera_offset_array, services);
 545
 546                 SamplerLayer_t base_tex = 0, normal_tex = 1;
 547                 m_base_texture.set(&base_tex, services);
 548                 m_normal_texture.set(&normal_tex, services);
 549         }
 550 };
 551
 552
 553 class GameGlobalShaderConstantSetterFactory : public IShaderConstantSetterFactory
 554 {
 555         Sky *m_sky;
 556         bool *m_force_fog_off;
 557         f32 *m_fog_range;
 558         Client *m_client;
 559         std::vector<GameGlobalShaderConstantSetter *> created_nosky;
 560 public:
 561         GameGlobalShaderConstantSetterFactory(bool *force_fog_off,
 562                         f32 *fog_range, Client *client) :
 563                 m_sky(NULL),
 564                 m_force_fog_off(force_fog_off),
 565                 m_fog_range(fog_range),
 566                 m_client(client)
 567         {}
 568
 569         void setSky(Sky *sky) {
 570                 m_sky = sky;
 571                 for (GameGlobalShaderConstantSetter *ggscs : created_nosky) {
 572                         ggscs->setSky(m_sky);
 573                 }
 574                 created_nosky.clear();
 575         }
 576
 577         virtual IShaderConstantSetter* create()
 578         {
 579                 auto *scs = new GameGlobalShaderConstantSetter(
 580                                 m_sky, m_force_fog_off, m_fog_range, m_client);
 581                 if (!m_sky)
 582                         created_nosky.push_back(scs);
 583                 return scs;
 584         }
 585 };
 586
 587 #ifdef __ANDROID__
 588 #define SIZE_TAG "size[11,5.5]"
 589 #else
 590 #define SIZE_TAG "size[11,5.5,true]" // Fixed size on desktop
 591 #endif
 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 punching;
 615         bool btn_down_for_dig;
 616         bool dig_instantly;
 617         bool digging_blocked;
 618         bool reset_jump_timer;
 619         float nodig_delay_timer;
 620         float dig_time;
 621         float dig_time_complete;
 622         float repeat_place_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 using PausedNodesList = std::vector<std::pair<irr_ptr<scene::IAnimatedMeshSceneNode>, float>>;
 646
 647 class Game {
 648 public:
 649         Game();
 650         ~Game();
 651
 652         bool startup(bool *kill,
 653                         InputHandler *input,
 654                         RenderingEngine *rendering_engine,
 655                         const GameStartData &game_params,
 656                         std::string &error_message,
 657                         bool *reconnect,
 658                         ChatBackend *chat_backend);
 659
 660
 661         void run();
 662         void shutdown();
 663
 664         // Basic initialisation
 665         bool init(const std::string &map_dir, const std::string &address,
 666                         u16 port, const SubgameSpec &gamespec);
 667         bool initSound();
 668         bool createSingleplayerServer(const std::string &map_dir,
 669                         const SubgameSpec &gamespec, u16 port);
 670
 671         // Client creation
 672         bool createClient(const GameStartData &start_data);
 673         bool initGui();
 674
 675         // Client connection
 676         bool connectToServer(const GameStartData &start_data,
 677                         bool *connect_ok, bool *aborted);
 678         bool getServerContent(bool *aborted);
 679
 680         // Main loop
 681
 682         void updateInteractTimers(f32 dtime);
 683         bool checkConnection();
 684         bool handleCallbacks();
 685         void processQueues();
 686         void updateProfilers(const RunStats &stats, const FpsControl &draw_times, f32 dtime);
 687         void updateDebugState();
 688         void updateStats(RunStats *stats, const FpsControl &draw_times, f32 dtime);
 689         void updateProfilerGraphs(ProfilerGraph *graph);
 690
 691         // Input related
 692         void processUserInput(f32 dtime);
 693         void processKeyInput();
 694         void processItemSelection(u16 *new_playeritem);
 695
 696         void dropSelectedItem(bool single_item = false);
 697         void openInventory();
 698         void openEnderchest();
 699         void openConsole(float scale, const wchar_t *line=NULL);
 700         void toggleFreeMove();
 701         void toggleFreeMoveAlt();
 702         void togglePitchMove();
 703         void toggleFast();
 704         void toggleNoClip();
 705         void toggleKillaura();
 706         void toggleFreecam();
 707         void toggleScaffold();
 708         void toggleNextItem();
 709         void toggleCinematic();
 710         void toggleBlockBounds();
 711         void toggleAutoforward();
 712
 713         void toggleMinimap(bool shift_pressed);
 714         void toggleFog();
 715         void toggleDebug();
 716         void toggleUpdateCamera();
 717         void updatePlayerCAOVisibility();
 718
 719         void increaseViewRange();
 720         void decreaseViewRange();
 721         void toggleFullViewRange();
 722         void checkZoomEnabled();
 723
 724         void updateCameraDirection(CameraOrientation *cam, float dtime);
 725         void updateCameraOrientation(CameraOrientation *cam, float dtime);
 726         void updatePlayerControl(const CameraOrientation &cam);
 727         void step(f32 *dtime);
 728         void processClientEvents(CameraOrientation *cam);
 729         void updateCamera(u32 busy_time, f32 dtime);
 730         void updateSound(f32 dtime);
 731         void processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug);
 732         /*!
 733          * Returns the object or node the player is pointing at.
 734          * Also updates the selected thing in the Hud.
 735          *
 736          * @param[in]  shootline         the shootline, starting from
 737          * the camera position. This also gives the maximal distance
 738          * of the search.
 739          * @param[in]  liquids_pointable if false, liquids are ignored
 740          * @param[in]  look_for_object   if false, objects are ignored
 741          * @param[in]  camera_offset     offset of the camera
 742          * @param[out] selected_object   the selected object or
 743          * NULL if not found
 744          */
 745         PointedThing updatePointedThing(
 746                         const core::line3d<f32> &shootline, bool liquids_pointable,
 747                         bool look_for_object, const v3s16 &camera_offset);
 748         void handlePointingAtNothing(const ItemStack &playerItem);
 749         void handlePointingAtNode(const PointedThing &pointed,
 750                         const ItemStack &selected_item, const ItemStack &hand_item, f32 dtime);
 751         void handlePointingAtObject(const PointedThing &pointed, const ItemStack &playeritem,
 752                         const v3f &player_position, bool show_debug);
 753         void handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
 754                         const ItemStack &selected_item, const ItemStack &hand_item, f32 dtime);
 755         void updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
 756                         const CameraOrientation &cam);
 757         void updateShadows();
 758
 759         // Misc
 760         void limitFps(FpsControl *fps_timings, f32 *dtime);
 761
 762         void showOverlayMessage(const char *msg, float dtime, int percent,
 763                         bool draw_clouds = true);
 764
 765         static void freecamChangedCallback(const std::string &setting_name, void *data);
 766         static void settingChangedCallback(const std::string &setting_name, void *data);
 767         static void updateAllMapBlocksCallback(const std::string &setting_name, void *data);
 768         void readSettings();
 769
 770         bool isKeyDown(GameKeyType k);
 771         bool wasKeyDown(GameKeyType k);
 772         bool wasKeyPressed(GameKeyType k);
 773         bool wasKeyReleased(GameKeyType k);
 774
 775 #ifdef __ANDROID__
 776         void handleAndroidChatInput();
 777 #endif
 778
 779         struct Flags {
 780                 bool force_fog_off = false;
 781                 bool disable_camera_update = false;
 782         };
 783
 784         void showDeathFormspec();
 785         void showPauseMenu();
 786
 787         void pauseAnimation();
 788         void resumeAnimation();
 789
 790         // ClientEvent handlers
 791         void handleClientEvent_None(ClientEvent *event, CameraOrientation *cam);
 792         void handleClientEvent_PlayerDamage(ClientEvent *event, CameraOrientation *cam);
 793         void handleClientEvent_PlayerForceMove(ClientEvent *event, CameraOrientation *cam);
 794         void handleClientEvent_Deathscreen(ClientEvent *event, CameraOrientation *cam);
 795         void handleClientEvent_ShowFormSpec(ClientEvent *event, CameraOrientation *cam);
 796         void handleClientEvent_ShowLocalFormSpec(ClientEvent *event, CameraOrientation *cam);
 797         void handleClientEvent_HandleParticleEvent(ClientEvent *event,
 798                 CameraOrientation *cam);
 799         void handleClientEvent_HudAdd(ClientEvent *event, CameraOrientation *cam);
 800         void handleClientEvent_HudRemove(ClientEvent *event, CameraOrientation *cam);
 801         void handleClientEvent_HudChange(ClientEvent *event, CameraOrientation *cam);
 802         void handleClientEvent_SetSky(ClientEvent *event, CameraOrientation *cam);
 803         void handleClientEvent_SetSun(ClientEvent *event, CameraOrientation *cam);
 804         void handleClientEvent_SetMoon(ClientEvent *event, CameraOrientation *cam);
 805         void handleClientEvent_SetStars(ClientEvent *event, CameraOrientation *cam);
 806         void handleClientEvent_OverrideDayNigthRatio(ClientEvent *event,
 807                 CameraOrientation *cam);
 808         void handleClientEvent_CloudParams(ClientEvent *event, CameraOrientation *cam);
 809
 810         void updateChat(f32 dtime, const v2u32 &screensize);
 811
 812         bool nodePlacement(const ItemDefinition &selected_def, const ItemStack &selected_item,
 813                 const v3s16 &nodepos, const v3s16 &neighbourpos, const PointedThing &pointed,
 814                 const NodeMetadata *meta, bool force = false);
 815         static const ClientEventHandler clientEventHandler[CLIENTEVENT_MAX];
 816
 817         f32 getSensitivityScaleFactor() const;
 818
 819         InputHandler *input = nullptr;
 820
 821         Client *client = nullptr;
 822         Server *server = nullptr;
 823
 824         IWritableTextureSource *texture_src = nullptr;
 825         IWritableShaderSource *shader_src = nullptr;
 826
 827         // When created, these will be filled with data received from the server
 828         IWritableItemDefManager *itemdef_manager = nullptr;
 829         NodeDefManager *nodedef_manager = nullptr;
 830
 831         GameOnDemandSoundFetcher soundfetcher; // useful when testing
 832         ISoundManager *sound = nullptr;
 833         bool sound_is_dummy = false;
 834         SoundMaker *soundmaker = nullptr;
 835
 836         ChatBackend *chat_backend = nullptr;
 837         LogOutputBuffer m_chat_log_buf;
 838
 839         EventManager *eventmgr = nullptr;
 840         QuicktuneShortcutter *quicktune = nullptr;
 841         bool registration_confirmation_shown = false;
 842
 843         std::unique_ptr<GameUI> m_game_ui;
 844         GUIChatConsole *gui_chat_console = nullptr; // Free using ->Drop()
 845         CheatMenu *m_cheat_menu = nullptr;
 846         MapDrawControl *draw_control = nullptr;
 847         Camera *camera = nullptr;
 848         Clouds *clouds = nullptr;                         // Free using ->Drop()
 849         Sky *sky = nullptr;                         // Free using ->Drop()
 850         Hud *hud = nullptr;
 851         Minimap *mapper = nullptr;
 852
 853         // Map server hud ids to client hud ids
 854         std::unordered_map<u32, u32> m_hud_server_to_client;
 855
 856         GameRunData runData;
 857         Flags m_flags;
 858
 859         /* 'cache'
 860            This class does take ownership/responsibily for cleaning up etc of any of
 861            these items (e.g. device)
 862         */
 863         IrrlichtDevice *device;
 864         RenderingEngine *m_rendering_engine;
 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         PausedNodesList paused_animated_nodes;
 872
 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_place_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         CameraOrientation cam_view_target  = { 0 };
 908         CameraOrientation cam_view  = { 0 };
 909
 910         int m_reset_HW_buffer_counter = 0;
 911 #ifdef __ANDROID__
 912         bool m_cache_hold_aux1;
 913         bool m_android_chat_open;
 914 #endif
 915 };
 916 extern Game *g_game;
 917
 918 void the_game(bool *kill,
 919                 InputHandler *input,
 920                 RenderingEngine *rendering_engine,
 921                 const GameStartData &start_data,
 922                 std::string &error_message,
 923                 ChatBackend &chat_backend,
 924                 bool *reconnect_requested);