[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 "particle_engine.h" |
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| 50 | #include "graphics_engine.h" |
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[6404] | 51 | #include "event_handler.h" |
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| 52 | #include "sound_engine.h" |
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| 53 | #include "cd_engine.h" |
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| 54 | #include "network_manager.h" |
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[6352] | 55 | #include "physics_engine.h" |
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| 56 | #include "fields.h" |
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| 57 | |
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| 58 | #include "glmenu_imagescreen.h" |
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[6404] | 59 | #include "shell.h" |
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[6352] | 60 | |
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[6404] | 61 | #include "animation_player.h" |
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[6352] | 62 | #include "animation3d.h" |
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| 63 | |
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| 64 | #include "ogg_player.h" |
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[6404] | 65 | #include "shader.h" |
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[6352] | 66 | |
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| 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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| 72 | SHELL_COMMAND(togglePNodeVisibility, GameWorld, togglePNodeVisibility); |
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| 73 | SHELL_COMMAND(toggleBVVisibility, GameWorld, toggleBVVisibility); |
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[6352] | 74 | |
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| 75 | |
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| 76 | |
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[6358] | 77 | GameWorld::GameWorld(const TiXmlElement* root) |
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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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[6352] | 90 | this->path = NULL; |
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| 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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[6376] | 112 | static_cast<StoryEntity*>(this)->loadParams(root); |
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[6352] | 113 | |
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[6358] | 114 | LoadParam(root, "path", this, GameWorld, setPath) |
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[6402] | 115 | .describe("The Filename of this GameWorld (relative from the data-dir)"); |
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[6376] | 116 | |
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[6504] | 117 | // LoadParam(root, "soundtrack", this->dataTank, GameWorldData, setSoundTrack); |
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| 118 | |
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[6376] | 119 | PRINTF(4)("Loaded GameWorld specific stuff\n"); |
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[6352] | 120 | } |
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| 121 | |
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[6368] | 122 | |
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[6352] | 123 | /** |
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| 124 | * this is executed just before load |
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| 125 | * |
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| 126 | * since the load function sometimes needs data, that has been initialized |
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| 127 | * before the load and after the proceeding storyentity has finished |
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| 128 | */ |
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[6370] | 129 | ErrorMessage GameWorld::init() |
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[6352] | 130 | { |
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| 131 | this->cycle = 0; |
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| 132 | /* init the world interface */ |
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| 133 | this->shell = new Shell(); |
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| 134 | |
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[6498] | 135 | State::setCurrentStoryEntity(dynamic_cast<StoryEntity*>(this)); |
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[6407] | 136 | this->dataTank->init(); |
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[6352] | 137 | } |
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| 138 | |
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| 139 | |
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| 140 | /** |
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[6358] | 141 | * loads the GameWorld by initializing all resources, and set their default values. |
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[6352] | 142 | */ |
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[6372] | 143 | ErrorMessage GameWorld::loadData() |
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[6352] | 144 | { |
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[6370] | 145 | this->displayLoadScreen(); |
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| 146 | |
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[6407] | 147 | PRINTF(0)("Loading the GameWorld\n"); |
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| 148 | |
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[6352] | 149 | PRINTF(3)("> Loading world: '%s'\n", getPath()); |
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| 150 | TiXmlElement* element; |
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| 151 | GameLoader* loader = GameLoader::getInstance(); |
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| 152 | |
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| 153 | if( getPath() == NULL) |
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[6402] | 154 | { |
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[6504] | 155 | PRINTF(1)("GameWorld has no path specified for loading\n"); |
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[6402] | 156 | return (ErrorMessage){213,"Path not specified","GameWorld::load()"}; |
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| 157 | } |
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[6352] | 158 | |
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| 159 | TiXmlDocument* XMLDoc = new TiXmlDocument( getPath()); |
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[6402] | 160 | // load the xml world file for further loading |
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[6352] | 161 | if( !XMLDoc->LoadFile()) |
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| 162 | { |
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| 163 | PRINTF(1)("loading XML File: %s @ %s:l%d:c%d\n", XMLDoc->ErrorDesc(), this->getPath(), XMLDoc->ErrorRow(), XMLDoc->ErrorCol()); |
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| 164 | delete XMLDoc; |
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[6358] | 165 | return (ErrorMessage){213,"XML File parsing error","GameWorld::load()"}; |
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[6352] | 166 | } |
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| 167 | // check basic validity |
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| 168 | TiXmlElement* root = XMLDoc->RootElement(); |
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| 169 | assert( root != NULL); |
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| 170 | if( root == NULL || root->Value() == NULL || strcmp( root->Value(), "WorldDataFile")) |
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| 171 | { |
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[6402] | 172 | // report an error |
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| 173 | PRINTF(1)("Specified XML File is not an orxonox world data file (WorldDataFile element missing)\n"); |
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| 174 | delete XMLDoc; |
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| 175 | return (ErrorMessage){213,"Path not a WorldDataFile","GameWorld::load()"}; |
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[6352] | 176 | } |
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[6402] | 177 | /* the whole loading process for the GameWorld */ |
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[6407] | 178 | this->dataTank->loadData(root); |
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[6352] | 179 | |
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[6402] | 180 | delete XMLDoc; |
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[6386] | 181 | this->releaseLoadScreen(); |
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[6352] | 182 | } |
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| 183 | |
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| 184 | |
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| 185 | /** |
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[6387] | 186 | * unload the data of this GameWorld |
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| 187 | */ |
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| 188 | ErrorMessage GameWorld::unloadData() |
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| 189 | { |
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| 190 | delete this->shell; |
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| 191 | PRINTF(3)("GameWorld::~GameWorld() - unloading the current GameWorld\n"); |
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| 192 | |
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[6407] | 193 | this->dataTank->unloadData(); |
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[6387] | 194 | } |
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| 195 | |
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| 196 | |
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| 197 | /** |
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[6358] | 198 | * starts the GameWorld |
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[6352] | 199 | */ |
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[6387] | 200 | bool GameWorld::start() |
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[6352] | 201 | { |
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[6386] | 202 | this->isPaused = false; |
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| 203 | this->isRunning = true; |
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[6387] | 204 | |
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| 205 | this->run(); |
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[6352] | 206 | } |
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| 207 | |
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[6402] | 208 | |
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[6352] | 209 | /** |
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| 210 | * stops the world. |
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[6402] | 211 | */ |
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[6387] | 212 | bool GameWorld::stop() |
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[6352] | 213 | { |
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[6358] | 214 | PRINTF(3)("GameWorld::stop() - got stop signal\n"); |
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[6386] | 215 | this->isRunning = false; |
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[6352] | 216 | } |
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| 217 | |
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[6402] | 218 | |
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[6352] | 219 | /** |
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[6402] | 220 | * pauses the game |
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| 221 | */ |
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[6387] | 222 | bool GameWorld::pause() |
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[6352] | 223 | { |
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| 224 | this->isPaused = true; |
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| 225 | } |
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| 226 | |
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[6402] | 227 | |
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[6352] | 228 | /** |
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| 229 | * ends the pause Phase |
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[6409] | 230 | */ |
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[6387] | 231 | bool GameWorld::resume() |
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[6352] | 232 | { |
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| 233 | this->isPaused = false; |
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| 234 | } |
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| 235 | |
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| 236 | |
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| 237 | /** |
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[6402] | 238 | * main loop of the world: executing all world relevant function |
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| 239 | * |
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| 240 | * in this loop we synchronize (if networked), handle input events, give the heart-beat to |
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| 241 | * all other member-entities of the world (tick to player, enemies etc.), checking for |
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| 242 | * collisions drawing everything to the screen. |
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| 243 | */ |
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| 244 | void GameWorld::run() |
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[6352] | 245 | { |
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[6504] | 246 | /* start the music */ |
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| 247 | if(this->dataTank->music != NULL) |
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| 248 | this->dataTank->music->playback(); |
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| 249 | |
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[6402] | 250 | this->lastFrame = SDL_GetTicks (); |
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| 251 | PRINTF(3)("GameWorld::mainLoop() - Entering main loop\n"); |
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[6352] | 252 | |
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[6402] | 253 | while( this->isRunning) /* @todo implement pause */ |
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| 254 | { |
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| 255 | ++this->cycle; |
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| 256 | /* process intput */ |
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| 257 | this->handleInput (); |
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| 258 | if( !this->isRunning) |
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| 259 | break; |
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[6386] | 260 | |
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[6402] | 261 | /* network synchronisation */ |
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| 262 | this->synchronize (); |
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| 263 | /* process time */ |
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| 264 | this->tick (); |
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| 265 | /* process collision */ |
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| 266 | this->collide (); |
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| 267 | /* update the state */ |
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| 268 | this->update (); |
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| 269 | /* draw everything */ |
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| 270 | this->display (); |
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| 271 | } |
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| 272 | |
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| 273 | PRINTF(3)("GameWorld::mainLoop() - Exiting the main loop\n"); |
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[6352] | 274 | } |
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| 275 | |
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| 276 | |
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| 277 | /** |
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| 278 | * synchronize local data with remote data |
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| 279 | */ |
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[6358] | 280 | void GameWorld::synchronize () |
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[6402] | 281 | {} |
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[6352] | 282 | |
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| 283 | |
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| 284 | /** |
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| 285 | * run all input processing |
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| 286 | |
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| 287 | the command node is the central input event dispatcher. the node uses the even-queue from |
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| 288 | sdl and has its own event-passing-queue. |
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| 289 | */ |
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[6358] | 290 | void GameWorld::handleInput () |
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[6352] | 291 | { |
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| 292 | EventHandler::getInstance()->process(); |
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| 293 | } |
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| 294 | |
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[6402] | 295 | |
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| 296 | /** |
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| 297 | * ticks a WorldEntity list |
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| 298 | * @param entityList list of the WorldEntities |
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| 299 | * @param dt time passed since last frame |
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| 300 | */ |
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[6358] | 301 | void GameWorld::tick(std::list<WorldEntity*> entityList, float dt) |
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[6352] | 302 | { |
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| 303 | std::list<WorldEntity*>::iterator entity; |
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| 304 | for (entity = entityList.begin(); entity != entityList.end(); entity++) |
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| 305 | (*entity)->tick(dt); |
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| 306 | |
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| 307 | } |
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| 308 | |
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| 309 | /** |
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| 310 | * advance the timeline |
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[6402] | 311 | * |
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| 312 | * this calculates the time used to process one frame (with all input handling, drawing, etc) |
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| 313 | * the time is mesured in ms and passed to all world-entities and other classes that need |
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| 314 | * a heart-beat. |
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| 315 | */ |
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[6358] | 316 | void GameWorld::tick () |
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[6352] | 317 | { |
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| 318 | Uint32 currentFrame = SDL_GetTicks(); |
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[6402] | 319 | |
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[6386] | 320 | if( !this->isPaused) |
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[6402] | 321 | { |
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| 322 | this->dt = currentFrame - this->lastFrame; |
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| 323 | |
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| 324 | /* limit the the frame rate to 100 frames per second (fps) */ |
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| 325 | if( this->dt < 10) |
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[6352] | 326 | { |
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[6402] | 327 | /* the frame-rate is limited to 100 frames per second, all other things are for nothing. */ |
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[6412] | 328 | //PRINTF(0)("fps = 1000 - frame rate is adjusted\n"); |
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[6402] | 329 | SDL_Delay(10 - dt); |
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| 330 | this->dt = 10; |
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| 331 | } |
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[6352] | 332 | |
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[6402] | 333 | this->dtS = (float)this->dt / 1000.0f * this->speed; |
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| 334 | this->gameTime += this->dtS; |
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[6352] | 335 | |
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[6407] | 336 | this->tick(this->dataTank->objectManager->getObjectList(OM_DEAD_TICK), this->dtS); |
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[6457] | 337 | this->tick(this->dataTank->objectManager->getObjectList(OM_ENVIRON), this->dtS); |
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[6407] | 338 | this->tick(this->dataTank->objectManager->getObjectList(OM_COMMON), this->dtS); |
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| 339 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_00), this->dtS); |
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[6433] | 340 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_00_PROJ), this->dtS); |
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[6407] | 341 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_01), this->dtS); |
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| 342 | this->tick(this->dataTank->objectManager->getObjectList(OM_GROUP_01_PROJ), this->dtS); |
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[6352] | 343 | |
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[6402] | 344 | /* update tick the rest */ |
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[6407] | 345 | this->dataTank->localCamera->tick(this->dtS); |
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[6402] | 346 | AnimationPlayer::getInstance()->tick(this->dtS); |
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| 347 | ParticleEngine::getInstance()->tick(this->dtS); |
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| 348 | PhysicsEngine::getInstance()->tick(this->dtS); |
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[6352] | 349 | |
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[6402] | 350 | GraphicsEngine::getInstance()->tick(this->dtS); |
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| 351 | } |
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[6352] | 352 | this->lastFrame = currentFrame; |
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| 353 | } |
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| 354 | |
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| 355 | |
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| 356 | /** |
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| 357 | * this function gives the world a consistant state |
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[6402] | 358 | * |
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| 359 | * after ticking (updating the world state) this will give a constistant |
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| 360 | * state to the whole system. |
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| 361 | */ |
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[6358] | 362 | void GameWorld::update() |
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[6352] | 363 | { |
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| 364 | GraphicsEngine::getInstance()->update(this->dtS); |
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| 365 | PNode::getNullParent()->updateNode (this->dtS); |
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| 366 | SoundEngine::getInstance()->update(); |
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| 367 | //music->update(); |
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| 368 | } |
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| 369 | |
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| 370 | |
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[6402] | 371 | /** |
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| 372 | * kicks the CDEngine to detect the collisions between the object groups in the world |
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| 373 | */ |
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[6358] | 374 | void GameWorld::collide() |
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[6352] | 375 | { |
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[6407] | 376 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_00), |
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[6433] | 377 | this->dataTank->objectManager->getObjectList(OM_GROUP_01_PROJ)); |
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[6407] | 378 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_01), |
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[6433] | 379 | this->dataTank->objectManager->getObjectList(OM_GROUP_00_PROJ)); |
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| 380 | |
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| 381 | CDEngine::getInstance()->checkCollisions(this->dataTank->objectManager->getObjectList(OM_GROUP_01), |
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[6407] | 382 | this->dataTank->objectManager->getObjectList(OM_COMMON)); |
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[6352] | 383 | } |
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| 384 | |
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| 385 | /** |
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| 386 | * render the current frame |
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[6402] | 387 | * |
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| 388 | * clear all buffers and draw the world |
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| 389 | */ |
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[6358] | 390 | void GameWorld::display () |
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[6352] | 391 | { |
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| 392 | // clear buffer |
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| 393 | glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
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| 394 | // set camera |
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[6407] | 395 | this->dataTank->localCamera->apply (); |
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[6352] | 396 | // draw world |
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| 397 | this->draw(); |
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| 398 | // flip buffers |
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| 399 | GraphicsEngine::swapBuffers(); |
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| 400 | } |
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| 401 | |
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| 402 | |
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| 403 | /** |
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| 404 | * runs through all entities calling their draw() methods |
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| 405 | */ |
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[6358] | 406 | void GameWorld::draw () |
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[6352] | 407 | { |
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| 408 | GraphicsEngine* engine = GraphicsEngine::getInstance(); |
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[6402] | 409 | |
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| 410 | /* to draw the bounding boxes of the objects at level 2 for debug purp */ |
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[6416] | 411 | |
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| 412 | /* debug draw the PNodes */ |
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| 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 | /* draws the particles */ |
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| 423 | ParticleEngine::getInstance()->draw(); |
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| 424 | |
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[6402] | 425 | if( unlikely( this->showBV)) |
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| 426 | { |
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| 427 | CDEngine* engine = CDEngine::getInstance(); |
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| 428 | engine->drawBV(State::getObjectManager()->getObjectList(OM_ENVIRON_NOTICK)); |
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| 429 | engine->drawBV(State::getObjectManager()->getObjectList(OM_ENVIRON)); |
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| 430 | engine->drawBV(State::getObjectManager()->getObjectList(OM_COMMON)); |
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| 431 | engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_00)); |
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| 432 | engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_01)); |
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| 433 | engine->drawBV(State::getObjectManager()->getObjectList(OM_GROUP_01_PROJ)); |
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| 434 | } |
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[6416] | 435 | |
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[6402] | 436 | if( unlikely(this->showPNodes)) |
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| 437 | PNode::getNullParent()->debugDraw(0); |
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| 438 | |
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| 439 | /* final draw command */ |
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[6352] | 440 | engine->draw(); |
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| 441 | } |
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| 442 | |
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| 443 | |
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| 444 | /** |
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[6366] | 445 | * sets the track path of this world |
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| 446 | * @param name the name of the path |
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| 447 | */ |
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[6358] | 448 | void GameWorld::setPath( const char* name) |
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[6352] | 449 | { |
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| 450 | if (this->path) |
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| 451 | delete this->path; |
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| 452 | if (ResourceManager::isFile(name)) |
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| 453 | { |
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| 454 | this->path = new char[strlen(name)+1]; |
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| 455 | strcpy(this->path, name); |
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| 456 | } |
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| 457 | else |
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[6402] | 458 | { |
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| 459 | this->path = new char[strlen(ResourceManager::getInstance()->getDataDir()) + strlen(name) +1]; |
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| 460 | sprintf(this->path, "%s%s", ResourceManager::getInstance()->getDataDir(), name); |
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| 461 | } |
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[6352] | 462 | } |
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| 463 | |
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[6387] | 464 | |
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[6402] | 465 | /** |
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| 466 | * shows the loading screen |
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| 467 | */ |
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| 468 | void GameWorld::displayLoadScreen () |
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[6387] | 469 | { |
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[6402] | 470 | PRINTF(3)("GameWorld::displayLoadScreen - start\n"); |
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[6407] | 471 | this->dataTank->glmis = new GLMenuImageScreen(); |
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| 472 | this->dataTank->glmis->setMaximum(8); |
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[6402] | 473 | PRINTF(3)("GameWorld::displayLoadScreen - end\n"); |
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[6387] | 474 | } |
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| 475 | |
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| 476 | |
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[6402] | 477 | /** |
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| 478 | * removes the loadscreen, and changes over to the game |
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| 479 | */ |
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| 480 | void GameWorld::releaseLoadScreen () |
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[6387] | 481 | { |
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[6402] | 482 | PRINTF(3)("GameWorld::releaseLoadScreen - start\n"); |
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[6407] | 483 | this->dataTank->glmis->setValue(this->dataTank->glmis->getMaximum()); |
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[6402] | 484 | PRINTF(3)("GameWorld::releaseLoadScreen - end\n"); |
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[6387] | 485 | } |
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| 486 | |
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