[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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| 22 | #include "resource_manager.h" |
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| 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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[6404] | 27 | #include "game_loader.h" |
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| 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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| 44 | #include "factory.h" |
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| 45 | #include "fast_factory.h" |
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[6352] | 46 | #include "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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| 66 | |
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[6404] | 67 | using namespace std; |
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[6352] | 68 | |
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| 69 | |
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[6358] | 70 | SHELL_COMMAND(speed, GameWorld, setSpeed); |
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[7004] | 71 | SHELL_COMMAND_STATIC(togglePNodeVisibility, GameWorld, GameWorld::togglePNodeVisibility); |
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| 72 | SHELL_COMMAND_STATIC(toggleBVVisibility, GameWorld, GameWorld::toggleBVVisibility); |
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[6352] | 73 | |
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| 74 | |
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| 75 | |
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[6989] | 76 | GameWorld::GameWorld() |
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[6402] | 77 | : StoryEntity() |
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[6352] | 78 | { |
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[6368] | 79 | this->setClassID(CL_GAME_WORLD, "GameWorld"); |
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| 80 | this->setName("Preloaded World - no name yet"); |
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| 81 | |
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| 82 | this->gameTime = 0.0f; |
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[6370] | 83 | this->setSpeed(1.0f); |
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[6368] | 84 | this->shell = NULL; |
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| 85 | |
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| 86 | this->showPNodes = false; |
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| 87 | this->showBV = false; |
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| 88 | |
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[6845] | 89 | this->dataXML = NULL; |
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[6352] | 90 | } |
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| 91 | |
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| 92 | /** |
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[6358] | 93 | * remove the GameWorld from memory |
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[6352] | 94 | * |
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| 95 | * delete everything explicitly, that isn't contained in the parenting tree! |
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| 96 | * things contained in the tree are deleted automaticaly |
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| 97 | */ |
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[6358] | 98 | GameWorld::~GameWorld () |
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[6352] | 99 | { |
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[6408] | 100 | PRINTF(4)("Deleted GameWorld\n"); |
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[6352] | 101 | } |
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| 102 | |
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| 103 | |
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| 104 | |
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| 105 | /** |
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[6358] | 106 | * loads the parameters of a GameWorld from an XML-element |
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[6352] | 107 | * @param root the XML-element to load from |
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| 108 | */ |
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[6358] | 109 | void GameWorld::loadParams(const TiXmlElement* root) |
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[6352] | 110 | { |
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[6512] | 111 | StoryEntity::loadParams(root); |
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[6352] | 112 | |
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[6376] | 113 | PRINTF(4)("Loaded GameWorld specific stuff\n"); |
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[6352] | 114 | } |
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| 115 | |
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[6368] | 116 | |
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[6352] | 117 | /** |
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| 118 | * this is executed just before load |
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| 119 | * |
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| 120 | * since the load function sometimes needs data, that has been initialized |
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| 121 | * before the load and after the proceeding storyentity has finished |
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| 122 | */ |
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[6370] | 123 | ErrorMessage GameWorld::init() |
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[6352] | 124 | { |
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| 125 | this->cycle = 0; |
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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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[6992] | 147 | if( getLoadFile() == NULL) |
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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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[6992] | 157 | PRINTF(1)("loading XML File: %s @ %s:l%d:c%d\n", XMLDoc->ErrorDesc(), this->getLoadFile(), 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 | this->lastFrame = SDL_GetTicks (); |
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| 250 | PRINTF(3)("GameWorld::mainLoop() - Entering main loop\n"); |
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[6352] | 251 | |
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[6402] | 252 | while( this->isRunning) /* @todo implement pause */ |
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| 253 | { |
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| 254 | ++this->cycle; |
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| 255 | /* process intput */ |
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| 256 | this->handleInput (); |
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| 257 | if( !this->isRunning) |
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| 258 | break; |
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[6386] | 259 | |
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[6402] | 260 | /* network synchronisation */ |
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| 261 | this->synchronize (); |
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| 262 | /* process time */ |
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| 263 | this->tick (); |
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| 264 | /* process collision */ |
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| 265 | this->collide (); |
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| 266 | /* update the state */ |
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| 267 | this->update (); |
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| 268 | /* draw everything */ |
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| 269 | this->display (); |
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| 270 | } |
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| 271 | |
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| 272 | PRINTF(3)("GameWorld::mainLoop() - Exiting the main loop\n"); |
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[6352] | 273 | } |
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| 274 | |
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| 275 | |
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| 276 | /** |
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| 277 | * synchronize local data with remote data |
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| 278 | */ |
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[6358] | 279 | void GameWorld::synchronize () |
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[6402] | 280 | {} |
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[6352] | 281 | |
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| 282 | |
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| 283 | /** |
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| 284 | * run all input processing |
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| 285 | |
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| 286 | the command node is the central input event dispatcher. the node uses the even-queue from |
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| 287 | sdl and has its own event-passing-queue. |
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| 288 | */ |
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[6358] | 289 | void GameWorld::handleInput () |
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[6352] | 290 | { |
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| 291 | EventHandler::getInstance()->process(); |
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| 292 | } |
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| 293 | |
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[6402] | 294 | |
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| 295 | /** |
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| 296 | * ticks a WorldEntity list |
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| 297 | * @param entityList list of the WorldEntities |
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| 298 | * @param dt time passed since last frame |
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| 299 | */ |
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[6358] | 300 | void GameWorld::tick(std::list<WorldEntity*> entityList, float dt) |
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[6352] | 301 | { |
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[6710] | 302 | std::list<WorldEntity*>::iterator entity, next; |
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| 303 | next = entityList.begin(); |
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| 304 | while (next != entityList.end()) |
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| 305 | { |
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| 306 | entity = next++; |
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[6352] | 307 | (*entity)->tick(dt); |
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[6710] | 308 | } |
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[6352] | 309 | } |
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| 310 | |
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| 311 | /** |
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| 312 | * advance the timeline |
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[6402] | 313 | * |
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| 314 | * this calculates the time used to process one frame (with all input handling, drawing, etc) |
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| 315 | * the time is mesured in ms and passed to all world-entities and other classes that need |
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| 316 | * a heart-beat. |
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| 317 | */ |
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[6358] | 318 | void GameWorld::tick () |
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[6352] | 319 | { |
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| 320 | Uint32 currentFrame = SDL_GetTicks(); |
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[6402] | 321 | |
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[6386] | 322 | if( !this->isPaused) |
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[6402] | 323 | { |
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| 324 | this->dt = currentFrame - this->lastFrame; |
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| 325 | |
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| 326 | /* limit the the frame rate to 100 frames per second (fps) */ |
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| 327 | if( this->dt < 10) |
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[6352] | 328 | { |
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[6402] | 329 | /* the frame-rate is limited to 100 frames per second, all other things are for nothing. */ |
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[6412] | 330 | //PRINTF(0)("fps = 1000 - frame rate is adjusted\n"); |
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[6402] | 331 | SDL_Delay(10 - dt); |
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| 332 | this->dt = 10; |
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| 333 | } |
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[6352] | 334 | |
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[6402] | 335 | this->dtS = (float)this->dt / 1000.0f * this->speed; |
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| 336 | this->gameTime += this->dtS; |
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[6352] | 337 | |
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[6407] | 338 | this->tick(this->dataTank->objectManager->getObjectList(OM_DEAD_TICK), this->dtS); |
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[6457] | 339 | this->tick(this->dataTank->objectManager->getObjectList(OM_ENVIRON), this->dtS); |
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[6407] | 340 | this->tick(this->dataTank->objectManager->getObjectList(OM_COMMON), this->dtS); |
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| 341 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_00), this->dtS); |
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[6433] | 342 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_00_PROJ), this->dtS); |
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[6407] | 343 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_01), this->dtS); |
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| 344 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_01_PROJ), this->dtS); |
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[6352] | 345 | |
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[6402] | 346 | /* update tick the rest */ |
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[6407] | 347 | this->dataTank->localCamera->tick(this->dtS); |
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[6402] | 348 | AnimationPlayer::getInstance()->tick(this->dtS); |
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| 349 | PhysicsEngine::getInstance()->tick(this->dtS); |
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[6352] | 350 | |
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[6402] | 351 | GraphicsEngine::getInstance()->tick(this->dtS); |
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| 352 | } |
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[6352] | 353 | this->lastFrame = currentFrame; |
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| 354 | } |
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| 355 | |
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| 356 | |
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| 357 | /** |
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| 358 | * this function gives the world a consistant state |
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[6402] | 359 | * |
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| 360 | * after ticking (updating the world state) this will give a constistant |
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| 361 | * state to the whole system. |
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| 362 | */ |
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[6358] | 363 | void GameWorld::update() |
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[6352] | 364 | { |
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| 365 | GraphicsEngine::getInstance()->update(this->dtS); |
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| 366 | PNode::getNullParent()->updateNode (this->dtS); |
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| 367 | SoundEngine::getInstance()->update(); |
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[6827] | 368 | |
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| 369 | if (this->dataTank->music != NULL) |
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| 370 | this->dataTank->music->update(); |
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[6352] | 371 | } |
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| 372 | |
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| 373 | |
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[6402] | 374 | /** |
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| 375 | * kicks the CDEngine to detect the collisions between the object groups in the world |
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| 376 | */ |
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[6358] | 377 | void GameWorld::collide() |
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[6352] | 378 | { |
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[6407] | 379 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_00), |
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[7004] | 380 | this->dataTank->objectManager->getObjectList(OM_GROUP_01_PROJ)); |
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[6407] | 381 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_01), |
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[7004] | 382 | this->dataTank->objectManager->getObjectList(OM_GROUP_00_PROJ)); |
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[6433] | 383 | |
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| 384 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_01), |
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[6407] | 385 | this->dataTank->objectManager->getObjectList(OM_COMMON)); |
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[6352] | 386 | } |
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| 387 | |
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| 388 | /** |
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| 389 | * render the current frame |
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[6402] | 390 | * |
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| 391 | * clear all buffers and draw the world |
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| 392 | */ |
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[6358] | 393 | void GameWorld::display () |
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[6352] | 394 | { |
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| 395 | // clear buffer |
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| 396 | glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
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| 397 | // draw world |
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| 398 | this->draw(); |
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| 399 | // flip buffers |
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| 400 | GraphicsEngine::swapBuffers(); |
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| 401 | } |
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| 402 | |
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| 403 | |
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| 404 | /** |
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| 405 | * runs through all entities calling their draw() methods |
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| 406 | */ |
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[6358] | 407 | void GameWorld::draw () |
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[6352] | 408 | { |
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| 409 | GraphicsEngine* engine = GraphicsEngine::getInstance(); |
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[6402] | 410 | |
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[6780] | 411 | // set camera |
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| 412 | this->dataTank->localCamera->apply (); |
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[6416] | 413 | |
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| 414 | /* draw all WorldEntiy groups */ |
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| 415 | engine->draw(State::getObjectManager()->getObjectList(OM_ENVIRON_NOTICK)); |
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| 416 | engine->draw(State::getObjectManager()->getObjectList(OM_ENVIRON)); |
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| 417 | engine->draw(State::getObjectManager()->getObjectList(OM_COMMON)); |
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| 418 | engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_00)); |
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[6433] | 419 | engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_00_PROJ)); |
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[6416] | 420 | engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_01)); |
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| 421 | engine->draw(State::getObjectManager()->getObjectList(OM_GROUP_01_PROJ)); |
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| 422 | |
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[6780] | 423 | |
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[6402] | 424 | if( unlikely( this->showBV)) |
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| 425 | { |
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| 426 | CDEngine* engine = CDEngine::getInstance(); |
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| 427 | engine->drawBV(State::getObjectManager()->getObjectList(OM_ENVIRON_NOTICK)); |
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| 428 | engine->drawBV(State::getObjectManager()->getObjectList(OM_ENVIRON)); |
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| 429 | engine->drawBV(State::getObjectManager()->getObjectList(OM_COMMON)); |
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| 430 | engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_00)); |
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| 431 | engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_01)); |
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| 432 | engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_01_PROJ)); |
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| 433 | } |
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[6416] | 434 | |
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[6402] | 435 | if( unlikely(this->showPNodes)) |
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| 436 | PNode::getNullParent()->debugDraw(0); |
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| 437 | |
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[6780] | 438 | engine->draw(); |
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[6352] | 439 | } |
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| 440 | |
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| 441 | /** |
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[6402] | 442 | * shows the loading screen |
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| 443 | */ |
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| 444 | void GameWorld::displayLoadScreen () |
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[6387] | 445 | { |
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[6402] | 446 | PRINTF(3)("GameWorld::displayLoadScreen - start\n"); |
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[6407] | 447 | this->dataTank->glmis = new GLMenuImageScreen(); |
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| 448 | this->dataTank->glmis->setMaximum(8); |
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[6402] | 449 | PRINTF(3)("GameWorld::displayLoadScreen - end\n"); |
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[6387] | 450 | } |
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| 451 | |
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| 452 | |
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[6402] | 453 | /** |
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| 454 | * removes the loadscreen, and changes over to the game |
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| 455 | */ |
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| 456 | void GameWorld::releaseLoadScreen () |
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[6387] | 457 | { |
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[6402] | 458 | PRINTF(3)("GameWorld::releaseLoadScreen - start\n"); |
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[6407] | 459 | this->dataTank->glmis->setValue(this->dataTank->glmis->getMaximum()); |
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[6402] | 460 | PRINTF(3)("GameWorld::releaseLoadScreen - end\n"); |
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[6387] | 461 | } |
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| 462 | |
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[7004] | 463 | |
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| 464 | |
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| 465 | /** |
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| 466 | * @brief toggles the PNode visibility in the world (drawn as boxes) |
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| 467 | */ |
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| 468 | void GameWorld::togglePNodeVisibility() |
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| 469 | { |
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| 470 | if (State::getCurrentStoryEntity() != NULL && |
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| 471 | State::getCurrentStoryEntity()->isA(CL_GAME_WORLD)) |
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| 472 | { |
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| 473 | dynamic_cast<GameWorld*>(State::getCurrentStoryEntity())->showPNodes = !dynamic_cast<GameWorld*>(State::getCurrentStoryEntity())->showPNodes; |
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| 474 | } |
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| 475 | else |
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| 476 | PRINTF(2)("The Current Story entity is not a GameWorld\n"); |
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| 477 | }; |
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| 478 | |
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| 479 | |
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| 480 | /** |
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| 481 | * @brief toggles the bounding volume (BV) visibility |
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| 482 | */ |
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| 483 | void GameWorld::toggleBVVisibility() |
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| 484 | { |
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| 485 | if (State::getCurrentStoryEntity() != NULL && |
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| 486 | State::getCurrentStoryEntity()->isA(CL_GAME_WORLD)) |
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| 487 | { |
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| 488 | dynamic_cast<GameWorld*>(State::getCurrentStoryEntity())->showBV = !dynamic_cast<GameWorld*>(State::getCurrentStoryEntity())->showBV; |
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| 489 | } |
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| 490 | else |
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| 491 | PRINTF(2)("The Current Story entity is not a GameWorld\n"); |
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| 492 | }; |
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| 493 | |
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