[6352] | 1 | /* |
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| 2 | orxonox - the future of 3D-vertical-scrollers |
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| 3 | |
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| 4 | Copyright (C) 2004 orx |
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| 5 | |
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| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | ### File Specific: |
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| 12 | main-programmer: Patrick Boenzli |
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| 13 | co-programmer: Christian Meyer |
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| 14 | co-programmer: Benjamin Grauer |
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| 15 | */ |
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| 16 | |
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| 17 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_WORLD |
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| 18 | |
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[6358] | 19 | #include "game_world.h" |
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[6402] | 20 | #include "game_world_data.h" |
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[6352] | 21 | |
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[7193] | 22 | #include "util/loading/resource_manager.h" |
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[6352] | 23 | #include "state.h" |
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[6404] | 24 | #include "class_list.h" |
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| 25 | #include "substring.h" |
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[6352] | 26 | |
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[7193] | 27 | #include "util/loading/game_loader.h" |
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[6404] | 28 | |
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[6352] | 29 | #include "p_node.h" |
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| 30 | #include "world_entity.h" |
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| 31 | #include "player.h" |
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| 32 | #include "camera.h" |
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| 33 | #include "environment.h" |
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| 34 | #include "terrain.h" |
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| 35 | #include "test_entity.h" |
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| 36 | #include "terrain.h" |
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[6404] | 37 | #include "md2Model.h" |
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[6434] | 38 | #include "world_entities/projectiles/projectile.h" |
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[6404] | 39 | #include "npcs/npc_test1.h" |
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| 40 | #include "playable.h" |
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| 41 | |
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[6352] | 42 | #include "light.h" |
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[6404] | 43 | |
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[7193] | 44 | #include "util/loading/factory.h" |
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[6404] | 45 | #include "fast_factory.h" |
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[7193] | 46 | #include "util/loading/load_param.h" |
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[6404] | 47 | #include "shell_command.h" |
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[6352] | 48 | |
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| 49 | #include "graphics_engine.h" |
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[6404] | 50 | #include "event_handler.h" |
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| 51 | #include "sound_engine.h" |
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| 52 | #include "cd_engine.h" |
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| 53 | #include "network_manager.h" |
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[6352] | 54 | #include "physics_engine.h" |
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| 55 | #include "fields.h" |
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| 56 | |
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| 57 | #include "glmenu_imagescreen.h" |
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[6404] | 58 | #include "shell.h" |
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[6352] | 59 | |
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[6404] | 60 | #include "animation_player.h" |
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[6352] | 61 | #include "animation3d.h" |
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| 62 | |
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| 63 | #include "ogg_player.h" |
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[6404] | 64 | #include "shader.h" |
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[6352] | 65 | |
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[7035] | 66 | #include "game_rules.h" |
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[6352] | 67 | |
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[6404] | 68 | using namespace std; |
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[6352] | 69 | |
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| 70 | |
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[6358] | 71 | SHELL_COMMAND(speed, GameWorld, setSpeed); |
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[7004] | 72 | SHELL_COMMAND_STATIC(togglePNodeVisibility, GameWorld, GameWorld::togglePNodeVisibility); |
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| 73 | SHELL_COMMAND_STATIC(toggleBVVisibility, GameWorld, GameWorld::toggleBVVisibility); |
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[6352] | 74 | |
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| 75 | |
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| 76 | |
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[6989] | 77 | GameWorld::GameWorld() |
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[6402] | 78 | : StoryEntity() |
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[6352] | 79 | { |
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[6368] | 80 | this->setClassID(CL_GAME_WORLD, "GameWorld"); |
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| 81 | this->setName("Preloaded World - no name yet"); |
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| 82 | |
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| 83 | this->gameTime = 0.0f; |
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[6370] | 84 | this->setSpeed(1.0f); |
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[6368] | 85 | this->shell = NULL; |
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| 86 | |
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| 87 | this->showPNodes = false; |
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| 88 | this->showBV = false; |
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| 89 | |
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[6845] | 90 | this->dataXML = NULL; |
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[6352] | 91 | } |
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| 92 | |
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| 93 | /** |
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[6358] | 94 | * remove the GameWorld from memory |
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[6352] | 95 | * |
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| 96 | * delete everything explicitly, that isn't contained in the parenting tree! |
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| 97 | * things contained in the tree are deleted automaticaly |
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| 98 | */ |
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[6358] | 99 | GameWorld::~GameWorld () |
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[6352] | 100 | { |
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[6408] | 101 | PRINTF(4)("Deleted GameWorld\n"); |
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[6352] | 102 | } |
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| 103 | |
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| 104 | |
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| 105 | |
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| 106 | /** |
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[6358] | 107 | * loads the parameters of a GameWorld from an XML-element |
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[6352] | 108 | * @param root the XML-element to load from |
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| 109 | */ |
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[6358] | 110 | void GameWorld::loadParams(const TiXmlElement* root) |
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[6352] | 111 | { |
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[6512] | 112 | StoryEntity::loadParams(root); |
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[6352] | 113 | |
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[6376] | 114 | PRINTF(4)("Loaded GameWorld specific stuff\n"); |
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[6352] | 115 | } |
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| 116 | |
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[6368] | 117 | |
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[6352] | 118 | /** |
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| 119 | * this is executed just before load |
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| 120 | * |
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| 121 | * since the load function sometimes needs data, that has been initialized |
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| 122 | * before the load and after the proceeding storyentity has finished |
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| 123 | */ |
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[6370] | 124 | ErrorMessage GameWorld::init() |
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[6352] | 125 | { |
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| 126 | /* init the world interface */ |
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| 127 | this->shell = new Shell(); |
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| 128 | |
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[6498] | 129 | State::setCurrentStoryEntity(dynamic_cast<StoryEntity*>(this)); |
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[6407] | 130 | this->dataTank->init(); |
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[6352] | 131 | } |
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| 132 | |
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| 133 | |
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| 134 | /** |
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[6358] | 135 | * loads the GameWorld by initializing all resources, and set their default values. |
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[6352] | 136 | */ |
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[6372] | 137 | ErrorMessage GameWorld::loadData() |
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[6352] | 138 | { |
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[6370] | 139 | this->displayLoadScreen(); |
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| 140 | |
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[6407] | 141 | PRINTF(0)("Loading the GameWorld\n"); |
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| 142 | |
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[6992] | 143 | PRINTF(3)("> Loading world: '%s'\n", getLoadFile()); |
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[6352] | 144 | TiXmlElement* element; |
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| 145 | GameLoader* loader = GameLoader::getInstance(); |
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| 146 | |
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[7221] | 147 | if( getLoadFile().empty()) |
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[6402] | 148 | { |
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[6634] | 149 | PRINTF(1)("GameWorld has no path specified for loading\n"); |
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[6402] | 150 | return (ErrorMessage){213,"Path not specified","GameWorld::load()"}; |
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| 151 | } |
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[6352] | 152 | |
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[6992] | 153 | TiXmlDocument* XMLDoc = new TiXmlDocument( getLoadFile()); |
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[6402] | 154 | // load the xml world file for further loading |
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[6352] | 155 | if( !XMLDoc->LoadFile()) |
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| 156 | { |
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[7221] | 157 | PRINTF(1)("loading XML File: %s @ %s:l%d:c%d\n", XMLDoc->ErrorDesc(), this->getLoadFile().c_str(), XMLDoc->ErrorRow(), XMLDoc->ErrorCol()); |
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[6352] | 158 | delete XMLDoc; |
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[6358] | 159 | return (ErrorMessage){213,"XML File parsing error","GameWorld::load()"}; |
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[6352] | 160 | } |
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| 161 | // check basic validity |
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| 162 | TiXmlElement* root = XMLDoc->RootElement(); |
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| 163 | assert( root != NULL); |
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| 164 | if( root == NULL || root->Value() == NULL || strcmp( root->Value(), "WorldDataFile")) |
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| 165 | { |
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[6402] | 166 | // report an error |
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| 167 | PRINTF(1)("Specified XML File is not an orxonox world data file (WorldDataFile element missing)\n"); |
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| 168 | delete XMLDoc; |
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| 169 | return (ErrorMessage){213,"Path not a WorldDataFile","GameWorld::load()"}; |
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[6352] | 170 | } |
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[6402] | 171 | /* the whole loading process for the GameWorld */ |
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[6407] | 172 | this->dataTank->loadData(root); |
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[6845] | 173 | this->dataXML = (TiXmlElement*)root->Clone(); |
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[6352] | 174 | |
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[6402] | 175 | delete XMLDoc; |
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[6386] | 176 | this->releaseLoadScreen(); |
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[6352] | 177 | } |
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| 178 | |
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| 179 | |
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| 180 | /** |
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[6387] | 181 | * unload the data of this GameWorld |
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| 182 | */ |
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| 183 | ErrorMessage GameWorld::unloadData() |
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| 184 | { |
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| 185 | delete this->shell; |
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| 186 | PRINTF(3)("GameWorld::~GameWorld() - unloading the current GameWorld\n"); |
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| 187 | |
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[6981] | 188 | this->dataTank->unloadData(); |
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| 189 | |
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[6988] | 190 | State::setCurrentStoryEntity(NULL); |
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[6845] | 191 | if (this->dataXML) |
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| 192 | delete this->dataXML; |
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[6387] | 193 | } |
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| 194 | |
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| 195 | |
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| 196 | /** |
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[6358] | 197 | * starts the GameWorld |
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[6352] | 198 | */ |
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[6387] | 199 | bool GameWorld::start() |
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[6352] | 200 | { |
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[6386] | 201 | this->isPaused = false; |
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| 202 | this->isRunning = true; |
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[6387] | 203 | |
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| 204 | this->run(); |
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[6352] | 205 | } |
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| 206 | |
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[6402] | 207 | |
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[6352] | 208 | /** |
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| 209 | * stops the world. |
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[6402] | 210 | */ |
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[6387] | 211 | bool GameWorld::stop() |
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[6352] | 212 | { |
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[6358] | 213 | PRINTF(3)("GameWorld::stop() - got stop signal\n"); |
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[6386] | 214 | this->isRunning = false; |
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[6352] | 215 | } |
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| 216 | |
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[6402] | 217 | |
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[6352] | 218 | /** |
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[6402] | 219 | * pauses the game |
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| 220 | */ |
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[6387] | 221 | bool GameWorld::pause() |
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[6352] | 222 | { |
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| 223 | this->isPaused = true; |
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| 224 | } |
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| 225 | |
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[6402] | 226 | |
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[6352] | 227 | /** |
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| 228 | * ends the pause Phase |
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[6409] | 229 | */ |
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[6387] | 230 | bool GameWorld::resume() |
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[6352] | 231 | { |
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| 232 | this->isPaused = false; |
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| 233 | } |
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| 234 | |
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| 235 | |
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| 236 | /** |
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[6402] | 237 | * main loop of the world: executing all world relevant function |
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| 238 | * |
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| 239 | * in this loop we synchronize (if networked), handle input events, give the heart-beat to |
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| 240 | * all other member-entities of the world (tick to player, enemies etc.), checking for |
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| 241 | * collisions drawing everything to the screen. |
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| 242 | */ |
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| 243 | void GameWorld::run() |
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[6352] | 244 | { |
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[6634] | 245 | /* start the music */ |
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| 246 | if(this->dataTank->music != NULL) |
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| 247 | this->dataTank->music->playback(); |
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| 248 | |
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[6402] | 249 | PRINTF(3)("GameWorld::mainLoop() - Entering main loop\n"); |
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[6352] | 250 | |
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[7131] | 251 | // initialize Timing |
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| 252 | this->cycle = 0; |
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| 253 | for (unsigned int i = 0; i < TICK_SMOOTH_VALUE; i++) |
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[7132] | 254 | this->frameTimes[i] = 100; |
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[7131] | 255 | this->dtS = 0.0f; |
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| 256 | this->lastFrame = SDL_GetTicks (); |
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| 257 | |
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[6402] | 258 | while( this->isRunning) /* @todo implement pause */ |
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| 259 | { |
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| 260 | /* process intput */ |
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| 261 | this->handleInput (); |
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| 262 | if( !this->isRunning) |
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| 263 | break; |
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[6386] | 264 | |
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[6402] | 265 | /* network synchronisation */ |
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| 266 | this->synchronize (); |
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| 267 | /* process time */ |
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| 268 | this->tick (); |
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| 269 | /* process collision */ |
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| 270 | this->collide (); |
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| 271 | /* update the state */ |
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| 272 | this->update (); |
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| 273 | /* draw everything */ |
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| 274 | this->display (); |
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| 275 | } |
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| 276 | |
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| 277 | PRINTF(3)("GameWorld::mainLoop() - Exiting the main loop\n"); |
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[6352] | 278 | } |
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| 279 | |
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| 280 | |
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| 281 | /** |
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| 282 | * synchronize local data with remote data |
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| 283 | */ |
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[6358] | 284 | void GameWorld::synchronize () |
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[6402] | 285 | {} |
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[6352] | 286 | |
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| 287 | |
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| 288 | /** |
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| 289 | * run all input processing |
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| 290 | |
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| 291 | the command node is the central input event dispatcher. the node uses the even-queue from |
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| 292 | sdl and has its own event-passing-queue. |
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| 293 | */ |
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[6358] | 294 | void GameWorld::handleInput () |
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[6352] | 295 | { |
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| 296 | EventHandler::getInstance()->process(); |
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| 297 | } |
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| 298 | |
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[6402] | 299 | |
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| 300 | /** |
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| 301 | * ticks a WorldEntity list |
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| 302 | * @param entityList list of the WorldEntities |
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| 303 | * @param dt time passed since last frame |
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| 304 | */ |
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[6358] | 305 | void GameWorld::tick(std::list<WorldEntity*> entityList, float dt) |
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[6352] | 306 | { |
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[6710] | 307 | std::list<WorldEntity*>::iterator entity, next; |
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| 308 | next = entityList.begin(); |
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| 309 | while (next != entityList.end()) |
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| 310 | { |
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| 311 | entity = next++; |
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[6352] | 312 | (*entity)->tick(dt); |
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[6710] | 313 | } |
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[6352] | 314 | } |
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| 315 | |
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[7131] | 316 | |
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[6352] | 317 | /** |
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| 318 | * advance the timeline |
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[6402] | 319 | * |
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| 320 | * this calculates the time used to process one frame (with all input handling, drawing, etc) |
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| 321 | * the time is mesured in ms and passed to all world-entities and other classes that need |
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| 322 | * a heart-beat. |
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| 323 | */ |
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[6358] | 324 | void GameWorld::tick () |
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[6352] | 325 | { |
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| 326 | Uint32 currentFrame = SDL_GetTicks(); |
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[6402] | 327 | |
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[6386] | 328 | if( !this->isPaused) |
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[6402] | 329 | { |
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[7131] | 330 | // CALCULATE FRAMERATE |
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| 331 | Uint32 frameTimesIndex; |
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| 332 | Uint32 getTicks; |
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| 333 | Uint32 i; |
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[6402] | 334 | |
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[7131] | 335 | frameTimesIndex = this->cycle % TICK_SMOOTH_VALUE; |
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| 336 | getTicks = SDL_GetTicks(); |
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| 337 | this->frameTimes[frameTimesIndex] = getTicks - this->lastFrame; |
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| 338 | this->lastFrame = getTicks; |
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[7132] | 339 | ++this->cycle; |
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[7131] | 340 | this->dtS = 0; |
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[7132] | 341 | for (i = 0; i < TICK_SMOOTH_VALUE; i++) |
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[7131] | 342 | this->dtS += this->frameTimes[i]; |
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[7132] | 343 | this->dtS = this->dtS / TICK_SMOOTH_VALUE / 1000.0f * speed; |
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[6352] | 344 | |
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[7131] | 345 | // TICK everything |
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[6407] | 346 | this->tick(this->dataTank->objectManager->getObjectList(OM_DEAD_TICK), this->dtS); |
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[6457] | 347 | this->tick(this->dataTank->objectManager->getObjectList(OM_ENVIRON), this->dtS); |
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[6407] | 348 | this->tick(this->dataTank->objectManager->getObjectList(OM_COMMON), this->dtS); |
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| 349 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_00), this->dtS); |
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[6433] | 350 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_00_PROJ), this->dtS); |
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[6407] | 351 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_01), this->dtS); |
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| 352 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_01_PROJ), this->dtS); |
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[6352] | 353 | |
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[6402] | 354 | /* update tick the rest */ |
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[6407] | 355 | this->dataTank->localCamera->tick(this->dtS); |
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[6402] | 356 | AnimationPlayer::getInstance()->tick(this->dtS); |
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| 357 | PhysicsEngine::getInstance()->tick(this->dtS); |
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[6352] | 358 | |
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[6402] | 359 | GraphicsEngine::getInstance()->tick(this->dtS); |
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[7035] | 360 | |
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| 361 | if( likely(this->dataTank->gameRule != NULL)) |
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| 362 | this->dataTank->gameRule->tick(this->dtS); |
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[6402] | 363 | } |
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[6352] | 364 | this->lastFrame = currentFrame; |
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| 365 | } |
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| 366 | |
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| 367 | |
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| 368 | /** |
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| 369 | * this function gives the world a consistant state |
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[6402] | 370 | * |
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| 371 | * after ticking (updating the world state) this will give a constistant |
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| 372 | * state to the whole system. |
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| 373 | */ |
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[6358] | 374 | void GameWorld::update() |
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[6352] | 375 | { |
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| 376 | GraphicsEngine::getInstance()->update(this->dtS); |
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| 377 | PNode::getNullParent()->updateNode (this->dtS); |
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| 378 | SoundEngine::getInstance()->update(); |
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[6827] | 379 | |
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| 380 | if (this->dataTank->music != NULL) |
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| 381 | this->dataTank->music->update(); |
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[6352] | 382 | } |
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| 383 | |
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| 384 | |
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[6402] | 385 | /** |
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| 386 | * kicks the CDEngine to detect the collisions between the object groups in the world |
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| 387 | */ |
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[6358] | 388 | void GameWorld::collide() |
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[6352] | 389 | { |
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[6407] | 390 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_00), |
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[7004] | 391 | this->dataTank->objectManager->getObjectList(OM_GROUP_01_PROJ)); |
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[6407] | 392 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_01), |
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[7004] | 393 | this->dataTank->objectManager->getObjectList(OM_GROUP_00_PROJ)); |
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[7078] | 394 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_00), |
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| 395 | this->dataTank->objectManager->getObjectList(OM_GROUP_01)); |
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[6433] | 396 | |
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[7083] | 397 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_00), |
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| 398 | this->dataTank->objectManager->getObjectList(OM_COMMON)); |
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[6433] | 399 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_01), |
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[6407] | 400 | this->dataTank->objectManager->getObjectList(OM_COMMON)); |
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[7083] | 401 | |
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[6352] | 402 | } |
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| 403 | |
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| 404 | /** |
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| 405 | * render the current frame |
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[6402] | 406 | * |
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| 407 | * clear all buffers and draw the world |
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| 408 | */ |
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[6358] | 409 | void GameWorld::display () |
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[6352] | 410 | { |
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| 411 | // clear buffer |
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| 412 | glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
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| 413 | // draw world |
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| 414 | this->draw(); |
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| 415 | // flip buffers |
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| 416 | GraphicsEngine::swapBuffers(); |
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| 417 | } |
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| 418 | |
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| 419 | |
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| 420 | /** |
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| 421 | * runs through all entities calling their draw() methods |
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| 422 | */ |
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[6358] | 423 | void GameWorld::draw () |
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[6352] | 424 | { |
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| 425 | GraphicsEngine* engine = GraphicsEngine::getInstance(); |
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[6402] | 426 | |
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[6780] | 427 | // set camera |
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| 428 | this->dataTank->localCamera->apply (); |
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[7108] | 429 | this->dataTank->localCamera->project (); |
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| 430 | LightManager::getInstance()->draw(); |
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[6416] | 431 | |
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| 432 | /* draw all WorldEntiy groups */ |
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| 433 | engine->draw(State::getObjectManager()->getObjectList(OM_ENVIRON_NOTICK)); |
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| 434 | engine->draw(State::getObjectManager()->getObjectList(OM_ENVIRON)); |
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| 435 | engine->draw(State::getObjectManager()->getObjectList(OM_COMMON)); |
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| 436 | engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_00)); |
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[6433] | 437 | engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_00_PROJ)); |
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[6416] | 438 | engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_01)); |
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| 439 | engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_01_PROJ)); |
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| 440 | |
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[6780] | 441 | |
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[6402] | 442 | if( unlikely( this->showBV)) |
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| 443 | { |
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| 444 | CDEngine* engine = CDEngine::getInstance(); |
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| 445 | engine->drawBV(State::getObjectManager()->getObjectList(OM_ENVIRON_NOTICK)); |
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| 446 | engine->drawBV(State::getObjectManager()->getObjectList(OM_ENVIRON)); |
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| 447 | engine->drawBV(State::getObjectManager()->getObjectList(OM_COMMON)); |
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| 448 | engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_00)); |
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| 449 | engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_01)); |
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| 450 | engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_01_PROJ)); |
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| 451 | } |
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[6416] | 452 | |
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[6402] | 453 | if( unlikely(this->showPNodes)) |
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| 454 | PNode::getNullParent()->debugDraw(0); |
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| 455 | |
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[6780] | 456 | engine->draw(); |
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[7035] | 457 | |
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[7108] | 458 | |
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[7035] | 459 | // draw the game ruls |
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| 460 | if( likely(this->dataTank->gameRule != NULL)) |
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| 461 | this->dataTank->gameRule->draw(); |
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[6352] | 462 | } |
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| 463 | |
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| 464 | /** |
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[6402] | 465 | * shows the loading screen |
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| 466 | */ |
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| 467 | void GameWorld::displayLoadScreen () |
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[6387] | 468 | { |
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[6402] | 469 | PRINTF(3)("GameWorld::displayLoadScreen - start\n"); |
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[6407] | 470 | this->dataTank->glmis = new GLMenuImageScreen(); |
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| 471 | this->dataTank->glmis->setMaximum(8); |
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[6402] | 472 | PRINTF(3)("GameWorld::displayLoadScreen - end\n"); |
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[6387] | 473 | } |
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| 474 | |
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| 475 | |
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[6402] | 476 | /** |
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| 477 | * removes the loadscreen, and changes over to the game |
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| 478 | */ |
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| 479 | void GameWorld::releaseLoadScreen () |
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[6387] | 480 | { |
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[6402] | 481 | PRINTF(3)("GameWorld::releaseLoadScreen - start\n"); |
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[6407] | 482 | this->dataTank->glmis->setValue(this->dataTank->glmis->getMaximum()); |
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[6402] | 483 | PRINTF(3)("GameWorld::releaseLoadScreen - end\n"); |
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[6387] | 484 | } |
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| 485 | |
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[7004] | 486 | |
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| 487 | |
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| 488 | /** |
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| 489 | * @brief toggles the PNode visibility in the world (drawn as boxes) |
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| 490 | */ |
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| 491 | void GameWorld::togglePNodeVisibility() |
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| 492 | { |
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| 493 | if (State::getCurrentStoryEntity() != NULL && |
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| 494 | State::getCurrentStoryEntity()->isA(CL_GAME_WORLD)) |
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| 495 | { |
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| 496 | dynamic_cast<GameWorld*>(State::getCurrentStoryEntity())->showPNodes = !dynamic_cast<GameWorld*>(State::getCurrentStoryEntity())->showPNodes; |
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| 497 | } |
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| 498 | else |
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| 499 | PRINTF(2)("The Current Story entity is not a GameWorld\n"); |
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| 500 | }; |
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| 501 | |
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| 502 | |
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| 503 | /** |
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| 504 | * @brief toggles the bounding volume (BV) visibility |
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| 505 | */ |
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| 506 | void GameWorld::toggleBVVisibility() |
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| 507 | { |
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| 508 | if (State::getCurrentStoryEntity() != NULL && |
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| 509 | State::getCurrentStoryEntity()->isA(CL_GAME_WORLD)) |
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| 510 | { |
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| 511 | dynamic_cast<GameWorld*>(State::getCurrentStoryEntity())->showBV = !dynamic_cast<GameWorld*>(State::getCurrentStoryEntity())->showBV; |
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| 512 | } |
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| 513 | else |
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| 514 | PRINTF(2)("The Current Story entity is not a GameWorld\n"); |
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| 515 | }; |
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| 516 | |
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