[4597] | 1 | /* |
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[1853] | 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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[1855] | 10 | |
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| 11 | ### File Specific: |
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[3610] | 12 | main-programmer: Benjamin Grauer |
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[1855] | 13 | co-programmer: ... |
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[1853] | 14 | */ |
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| 15 | |
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[3610] | 16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_GRAPHICS |
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[1853] | 17 | |
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[3610] | 18 | #include "graphics_engine.h" |
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[4094] | 19 | #include "resource_manager.h" |
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[4817] | 20 | #include "event_handler.h" |
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[1853] | 21 | |
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[4849] | 22 | #include "render_2d.h" |
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[4850] | 23 | #include "light.h" |
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[3611] | 24 | #include "debug.h" |
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[4245] | 25 | #include "text_engine.h" |
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[3611] | 26 | |
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[4770] | 27 | #include "ini_parser.h" |
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| 28 | #include "substring.h" |
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| 29 | |
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[1856] | 30 | using namespace std; |
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[1853] | 31 | |
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[3245] | 32 | /** |
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[4836] | 33 | * standard constructor |
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[5262] | 34 | */ |
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[4597] | 35 | GraphicsEngine::GraphicsEngine () |
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[3365] | 36 | { |
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[4597] | 37 | this->setClassID(CL_GRAPHICS_ENGINE, "GraphicsEngine"); |
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| 38 | this->setName("GraphicsEngine"); |
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[4784] | 39 | |
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| 40 | this->isInit = false; |
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| 41 | |
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[4245] | 42 | this->bDisplayFPS = false; |
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| 43 | this->minFPS = 9999; |
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| 44 | this->maxFPS = 0; |
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[4135] | 45 | |
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[5079] | 46 | this->geTextCFPS = NULL; |
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| 47 | this->geTextMaxFPS = NULL; |
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| 48 | this->geTextMinFPS = NULL; |
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| 49 | |
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[4768] | 50 | this->fullscreenFlag = 0; |
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[5225] | 51 | this->videoFlags = 0; |
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| 52 | this->screen = NULL; |
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[5260] | 53 | |
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| 54 | |
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| 55 | // Hardware |
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| 56 | this->hwRenderer = NULL; |
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| 57 | this->hwVendor = NULL; |
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| 58 | this->hwVersion = NULL; |
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| 59 | this->hwExtensions = NULL; |
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[3611] | 60 | } |
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[3610] | 61 | |
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[3621] | 62 | /** |
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[4836] | 63 | * The Pointer to this GraphicsEngine |
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[3621] | 64 | */ |
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[3611] | 65 | GraphicsEngine* GraphicsEngine::singletonRef = NULL; |
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[3610] | 66 | |
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[3621] | 67 | /** |
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[4836] | 68 | * destructs the graphicsEngine. |
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[3611] | 69 | */ |
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[4597] | 70 | GraphicsEngine::~GraphicsEngine () |
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[3611] | 71 | { |
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| 72 | // delete what has to be deleted here |
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[5079] | 73 | delete this->geTextCFPS; |
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| 74 | delete this->geTextMaxFPS; |
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| 75 | delete this->geTextMinFPS; |
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[4849] | 76 | |
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[5260] | 77 | delete[] this->hwRenderer; |
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| 78 | delete[] this->hwVendor; |
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| 79 | delete[] this->hwVersion; |
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| 80 | delete this->hwExtensions; |
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| 81 | |
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[5225] | 82 | delete Render2D::getInstance(); |
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[5079] | 83 | |
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[5225] | 84 | SDL_QuitSubSystem(SDL_INIT_VIDEO); |
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[5242] | 85 | // if (this->screen != NULL) |
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| 86 | // SDL_FreeSurface(this->screen); |
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[5240] | 87 | |
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[4849] | 88 | GraphicsEngine::singletonRef = NULL; |
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[3611] | 89 | } |
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| 90 | |
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[4830] | 91 | /** |
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| 92 | * initializes the GraphicsEngine with default settings. |
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| 93 | */ |
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[4784] | 94 | int GraphicsEngine::init() |
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| 95 | { |
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[4830] | 96 | if (this->isInit) |
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| 97 | return -1; |
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| 98 | this->initVideo(640, 480, 16); |
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[4784] | 99 | } |
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| 100 | |
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[3611] | 101 | /** |
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[4830] | 102 | * loads the GraphicsEngine's settings from a given ini-file and section |
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| 103 | * @param iniParser the iniParser to load from |
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| 104 | * @param section the Section in the ini-file to load from |
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| 105 | * @returns nothing usefull |
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| 106 | */ |
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| 107 | int GraphicsEngine::initFromIniFile(IniParser* iniParser) |
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| 108 | { |
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| 109 | // looking if we are in fullscreen-mode |
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| 110 | const char* fullscreen = iniParser->getVar(CONFIG_NAME_FULLSCREEN, CONFIG_SECTION_VIDEO, "0"); |
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| 111 | if (strchr(fullscreen, '1')) |
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| 112 | this->fullscreenFlag = SDL_FULLSCREEN; |
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| 113 | |
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| 114 | |
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| 115 | |
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| 116 | // looking if we are in fullscreen-mode |
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| 117 | const char* textures = iniParser->getVar(CONFIG_NAME_TEXTURES, CONFIG_SECTION_VIDEO_ADVANCED, "0"); |
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| 118 | if (strchr(textures, '1')) |
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| 119 | this->texturesEnabled = true; |
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| 120 | else |
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| 121 | this->texturesEnabled = false; |
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| 122 | |
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| 123 | // searching for a usefull resolution |
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[4835] | 124 | SubString resolution(iniParser->getVar(CONFIG_NAME_RESOLUTION, CONFIG_SECTION_VIDEO, "640x480"), 'x'); |
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[4833] | 125 | //resolution.debug(); |
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| 126 | |
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[4835] | 127 | this->initVideo(atoi(resolution.getString(0)), atoi(resolution.getString(1)), 16); |
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[4830] | 128 | } |
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| 129 | |
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| 130 | |
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| 131 | |
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| 132 | /** |
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[4836] | 133 | * initializes the Video for openGL. |
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[3611] | 134 | |
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| 135 | This has to be done only once when starting orxonox. |
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| 136 | */ |
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[4784] | 137 | int GraphicsEngine::initVideo(unsigned int resX, unsigned int resY, unsigned int bbp) |
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[3611] | 138 | { |
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[4784] | 139 | if (this->isInit) |
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| 140 | return -1; |
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[5024] | 141 | // initialize SDL_VIDEO |
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[5225] | 142 | if (SDL_InitSubSystem(SDL_INIT_VIDEO) == -1) |
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[5024] | 143 | { |
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| 144 | PRINTF(1)("could not initialize SDL Video\n"); |
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[3610] | 145 | // return -1; |
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[5024] | 146 | } |
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[3617] | 147 | // initialize SDL_GL-settings |
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| 148 | this->setGLattribs(); |
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[3610] | 149 | |
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[3617] | 150 | // setting the Video Flags. |
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[5225] | 151 | this->videoFlags = SDL_OPENGL | SDL_HWPALETTE | SDL_RESIZABLE | SDL_DOUBLEBUF | SDL_GL_DOUBLEBUFFER; |
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[3610] | 152 | |
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| 153 | /* query SDL for information about our video hardware */ |
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| 154 | const SDL_VideoInfo* videoInfo = SDL_GetVideoInfo (); |
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| 155 | if( videoInfo == NULL) |
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| 156 | { |
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[4597] | 157 | PRINTF(1)("Failed getting Video Info :%s\n", SDL_GetError()); |
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[3610] | 158 | SDL_Quit (); |
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| 159 | } |
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| 160 | if( videoInfo->hw_available) |
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[3611] | 161 | this->videoFlags |= SDL_HWSURFACE; |
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[4597] | 162 | else |
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[3611] | 163 | this->videoFlags |= SDL_SWSURFACE; |
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[3610] | 164 | /* |
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[3619] | 165 | if(VideoInfo -> blit_hw) |
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[3610] | 166 | VideoFlags |= SDL_HWACCEL; |
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| 167 | */ |
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[4739] | 168 | // setting up the Resolution |
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[4784] | 169 | this->setResolution(resX, resY, bbp); |
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[3611] | 170 | |
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[5260] | 171 | // GRABBING ALL GL-extensions |
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| 172 | this->grabHardwareSettings(); |
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| 173 | |
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[3621] | 174 | // Enable default GL stuff |
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| 175 | glEnable(GL_DEPTH_TEST); |
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[4784] | 176 | |
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[4849] | 177 | Render2D::getInstance(); |
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[4833] | 178 | |
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[4784] | 179 | this->isInit = true; |
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[3365] | 180 | } |
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[1853] | 181 | |
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[4770] | 182 | /** |
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[4619] | 183 | * sets the Window Captions and the Name of the icon. |
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| 184 | * @param windowName The name of the Window |
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| 185 | * @param icon The name of the Icon on the Disc |
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| 186 | */ |
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| 187 | void GraphicsEngine::setWindowName(const char* windowName, const char* icon) |
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| 188 | { |
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[5216] | 189 | SDL_Surface* iconSurf = SDL_LoadBMP(icon); |
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[5240] | 190 | if (iconSurf != NULL) |
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| 191 | { |
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[5241] | 192 | Uint32 colorkey = SDL_MapRGB(iconSurf->format, 0, 0, 0); |
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[5240] | 193 | SDL_SetColorKey(iconSurf, SDL_SRCCOLORKEY, colorkey); |
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| 194 | SDL_WM_SetIcon(iconSurf,NULL); |
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| 195 | SDL_FreeSurface(iconSurf); |
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| 196 | } |
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[5024] | 197 | |
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[4619] | 198 | SDL_WM_SetCaption (windowName, icon); |
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[5216] | 199 | |
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[4619] | 200 | } |
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| 201 | |
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| 202 | |
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| 203 | /** |
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[4836] | 204 | * Sets the GL-attributes |
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[3621] | 205 | */ |
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[4746] | 206 | int GraphicsEngine::setGLattribs() |
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[3617] | 207 | { |
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| 208 | // Set video mode |
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| 209 | // TO DO: parse arguments for settings |
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| 210 | //SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5); |
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| 211 | //SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5); |
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| 212 | //SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5); |
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| 213 | //SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16); |
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| 214 | |
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[4597] | 215 | |
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| 216 | SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 ); |
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| 217 | SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16); |
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| 218 | SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE, 0); |
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[3617] | 219 | SDL_GL_SetAttribute( SDL_GL_ACCUM_RED_SIZE, 0); |
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| 220 | SDL_GL_SetAttribute( SDL_GL_ACCUM_GREEN_SIZE, 0); |
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| 221 | SDL_GL_SetAttribute( SDL_GL_ACCUM_BLUE_SIZE, 0); |
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| 222 | SDL_GL_SetAttribute( SDL_GL_ACCUM_ALPHA_SIZE, 0); |
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| 223 | } |
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| 224 | |
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[5261] | 225 | /** |
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| 226 | * grabs the Hardware Specifics |
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| 227 | * checks for all the different HW-types |
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| 228 | */ |
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[5260] | 229 | void GraphicsEngine::grabHardwareSettings() |
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| 230 | { |
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| 231 | const char* renderer = (const char*) glGetString(GL_RENDERER); |
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| 232 | const char* vendor = (const char*) glGetString(GL_VENDOR); |
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| 233 | const char* version = (const char*) glGetString(GL_VERSION); |
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| 234 | const char* extensions = (const char*) glGetString(GL_EXTENSIONS); |
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| 235 | |
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| 236 | // printf("%s %s %s\n %s", renderer, vendor, version, extensions); |
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| 237 | |
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| 238 | if (this->hwRenderer == NULL && renderer != NULL) |
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| 239 | { |
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| 240 | this->hwRenderer = new char[strlen(renderer)+1]; |
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| 241 | strcpy(this->hwRenderer, renderer); |
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| 242 | } |
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| 243 | if (this->hwVendor == NULL && vendor != NULL) |
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| 244 | { |
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| 245 | this->hwVendor = new char[strlen(vendor)+1]; |
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| 246 | strcpy(this->hwVendor, vendor); |
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| 247 | } |
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| 248 | if (this->hwVersion == NULL && version != NULL) |
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| 249 | { |
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| 250 | this->hwVersion = new char[strlen(version)+11]; |
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| 251 | strcpy(this->hwVersion, version); |
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| 252 | } |
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| 253 | |
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| 254 | if (this->hwExtensions == NULL && extensions != NULL) |
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| 255 | this->hwExtensions = new SubString((char*)glGetString(GL_EXTENSIONS), true); |
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| 256 | |
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| 257 | PRINT(4)("Running on : %s %s %s\n", vendor, renderer, version); |
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| 258 | PRINT(4)("Extensions:\n"); |
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| 259 | if (this->hwExtensions != NULL) |
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| 260 | for (unsigned int i = 0; i < this->hwExtensions->getCount(); i++) |
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| 261 | PRINT(4)("%d: %s\n", i, this->hwExtensions->getString(i)); |
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[5263] | 262 | |
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| 263 | |
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| 264 | // inizializing GLEW |
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| 265 | GLenum err = glewInit(); |
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| 266 | if (GLEW_OK != err) |
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| 267 | { |
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| 268 | /* Problem: glewInit failed, something is seriously wrong. */ |
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| 269 | PRINTF(1)("%s\n", glewGetErrorString(err)); |
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| 270 | } |
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| 271 | PRINTF(4)("Status: Using GLEW %s\n", glewGetString(GLEW_VERSION)); |
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| 272 | |
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[5260] | 273 | } |
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| 274 | |
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[3621] | 275 | /** |
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[4836] | 276 | * sets the Resolution of the Screen to display the Graphics to. |
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| 277 | * @param width The width of the window |
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| 278 | * @param height The height of the window |
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| 279 | * @param bpp bits per pixel |
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[3621] | 280 | */ |
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[3619] | 281 | int GraphicsEngine::setResolution(int width, int height, int bpp) |
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[3610] | 282 | { |
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[3611] | 283 | this->resolutionX = width; |
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| 284 | this->resolutionY = height; |
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| 285 | this->bitsPerPixel = bpp; |
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[4739] | 286 | |
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[5255] | 287 | if (this->screen != NULL) |
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[5237] | 288 | SDL_FreeSurface(screen); |
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[4769] | 289 | if((this->screen = SDL_SetVideoMode(this->resolutionX, this->resolutionY, this->bitsPerPixel, this->videoFlags | this->fullscreenFlag)) == NULL) |
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[3611] | 290 | { |
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| 291 | PRINTF(1)("Could not SDL_SetVideoMode(%d, %d, %d, %d): %s\n", this->resolutionX, this->resolutionY, this->bitsPerPixel, this->videoFlags, SDL_GetError()); |
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[5216] | 292 | // SDL_Quit(); |
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[3611] | 293 | // return -1; |
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| 294 | } |
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[5266] | 295 | glMatrixMode(GL_PROJECTION_MATRIX); |
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| 296 | glLoadIdentity(); |
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[5260] | 297 | glViewport(0,0,width,height); // Reset The Current Viewport |
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[4135] | 298 | } |
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[3610] | 299 | |
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[4458] | 300 | /** |
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[4836] | 301 | * sets Fullscreen mode |
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| 302 | * @param fullscreen true if fullscreen, false if windowed |
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[4458] | 303 | */ |
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[4135] | 304 | void GraphicsEngine::setFullscreen(bool fullscreen) |
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| 305 | { |
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[4768] | 306 | if (fullscreen) |
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| 307 | fullscreenFlag = SDL_FULLSCREEN; |
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| 308 | else |
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| 309 | fullscreenFlag = 0; |
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[4135] | 310 | this->setResolution(this->resolutionX, this->resolutionY, this->bitsPerPixel); |
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[3543] | 311 | } |
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[3617] | 312 | |
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[4458] | 313 | /** |
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[4836] | 314 | * sets the background color |
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| 315 | * @param red the red part of the background |
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| 316 | * @param blue the blue part of the background |
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| 317 | * @param green the green part of the background |
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| 318 | * @param alpha the alpha part of the background |
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[4458] | 319 | */ |
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[4374] | 320 | void GraphicsEngine::setBackgroundColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) |
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| 321 | { |
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| 322 | glClearColor(red, green, blue, alpha); |
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| 323 | } |
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| 324 | |
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[3621] | 325 | /** |
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[4836] | 326 | * Signalhandler, for when the resolution has changed |
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| 327 | * @param resizeInfo SDL information about the size of the new screen size |
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[3621] | 328 | */ |
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[4782] | 329 | int GraphicsEngine::resolutionChanged(const SDL_ResizeEvent& resizeInfo) |
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[3619] | 330 | { |
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[4782] | 331 | this->setResolution(resizeInfo.w, resizeInfo.h, this->bitsPerPixel); |
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[3619] | 332 | } |
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[3617] | 333 | |
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[3622] | 334 | /** |
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[4833] | 335 | * if Textures should be enabled |
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[3622] | 336 | */ |
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| 337 | bool GraphicsEngine::texturesEnabled = true; |
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[3617] | 338 | |
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[3790] | 339 | /** |
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[4833] | 340 | * |
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| 341 | * @param show if The mouse-cursor should be visible |
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| 342 | */ |
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| 343 | void GraphicsEngine::showMouse(bool show) |
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| 344 | { |
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| 345 | if (show) |
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| 346 | SDL_ShowCursor(SDL_ENABLE); |
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| 347 | else |
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| 348 | SDL_ShowCursor(SDL_DISABLE); |
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| 349 | } |
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| 350 | |
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| 351 | /** |
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| 352 | * |
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| 353 | * @returns The Visinility of the mouse-cursor (true if visible, false if it is invisible) |
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| 354 | */ |
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| 355 | bool GraphicsEngine::isMouseVisible() |
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| 356 | { |
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| 357 | if (SDL_ShowCursor(SDL_QUERY) == SDL_ENABLE) |
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| 358 | return true; |
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| 359 | else |
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| 360 | return false; |
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| 361 | } |
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| 362 | |
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| 363 | /** |
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| 364 | * |
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| 365 | * @param steal If the Winodow-Managers Events should be stolen to this app |
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| 366 | * (steals the mouse, and all WM-clicks) |
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| 367 | * |
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| 368 | * This only happens, if the HARD-Debug-level is set to 0,1,2, because otherwise a Segfault could |
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| 369 | * result in the loss of System-controll |
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| 370 | */ |
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| 371 | void GraphicsEngine::stealWMEvents(bool steal) |
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| 372 | { |
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| 373 | #if DEBUG < 3 |
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| 374 | if (steal) |
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| 375 | SDL_WM_GrabInput(SDL_GRAB_ON); |
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[4864] | 376 | else |
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| 377 | SDL_WM_GrabInput(SDL_GRAB_OFF); |
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[4833] | 378 | #endif |
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| 379 | } |
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| 380 | |
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| 381 | /** |
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| 382 | * |
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| 383 | * @returns true if Events are stolen from the WM, false if not. |
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| 384 | */ |
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| 385 | bool GraphicsEngine::isStealingEvents() |
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| 386 | { |
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| 387 | if (SDL_WM_GrabInput(SDL_GRAB_QUERY) == SDL_GRAB_ON) |
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| 388 | return true; |
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| 389 | else |
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| 390 | return false; |
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| 391 | }; |
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| 392 | |
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| 393 | /** |
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[4836] | 394 | * entering 2D Mode |
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[4597] | 395 | |
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[3790] | 396 | this is a GL-Projection-mode, that is orthogonal, for placing the font in fron of everything else |
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| 397 | */ |
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[4746] | 398 | void GraphicsEngine::enter2DMode() |
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[3790] | 399 | { |
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[4955] | 400 | //GraphicsEngine::storeMatrices(); |
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[3790] | 401 | SDL_Surface *screen = SDL_GetVideoSurface(); |
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[4597] | 402 | |
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[3790] | 403 | /* Note, there may be other things you need to change, |
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| 404 | depending on how you have your OpenGL state set up. |
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| 405 | */ |
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| 406 | glPushAttrib(GL_ENABLE_BIT); |
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| 407 | glDisable(GL_DEPTH_TEST); |
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| 408 | glDisable(GL_CULL_FACE); |
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| 409 | glDisable(GL_LIGHTING); // will be set back when leaving 2D-mode |
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[3617] | 410 | |
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[3790] | 411 | glViewport(0, 0, screen->w, screen->h); |
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[4597] | 412 | |
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[3790] | 413 | glMatrixMode(GL_PROJECTION); |
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| 414 | glPushMatrix(); |
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| 415 | glLoadIdentity(); |
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[4597] | 416 | |
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[3790] | 417 | glOrtho(0.0, (GLdouble)screen->w, (GLdouble)screen->h, 0.0, 0.0, 1.0); |
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[4597] | 418 | |
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[3790] | 419 | glMatrixMode(GL_MODELVIEW); |
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| 420 | glPushMatrix(); |
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| 421 | glLoadIdentity(); |
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[4597] | 422 | |
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[3790] | 423 | glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
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| 424 | } |
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[3617] | 425 | |
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[3790] | 426 | /** |
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[4836] | 427 | * leaves the 2DMode again also \see Font::enter2DMode() |
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[3790] | 428 | */ |
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[4746] | 429 | void GraphicsEngine::leave2DMode() |
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[3790] | 430 | { |
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[4834] | 431 | glMatrixMode(GL_PROJECTION); |
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[3790] | 432 | glPopMatrix(); |
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[4597] | 433 | |
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[4834] | 434 | glMatrixMode(GL_MODELVIEW); |
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[3790] | 435 | glPopMatrix(); |
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[4597] | 436 | |
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[3790] | 437 | glPopAttrib(); |
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| 438 | } |
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[3622] | 439 | |
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[3844] | 440 | /** |
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[4836] | 441 | * stores the GL_matrices |
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[3844] | 442 | */ |
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[4746] | 443 | void GraphicsEngine::storeMatrices() |
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[3844] | 444 | { |
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| 445 | glGetDoublev(GL_PROJECTION_MATRIX, GraphicsEngine::projMat); |
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| 446 | glGetDoublev(GL_MODELVIEW_MATRIX, GraphicsEngine::modMat); |
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| 447 | glGetIntegerv(GL_VIEWPORT, GraphicsEngine::viewPort); |
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| 448 | } |
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[3622] | 449 | |
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[3844] | 450 | //! the stored ModelView Matrix. |
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| 451 | GLdouble GraphicsEngine::modMat[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; |
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| 452 | //! the stored Projection Matrix |
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| 453 | GLdouble GraphicsEngine::projMat[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; |
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| 454 | //! The ViewPort |
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| 455 | GLint GraphicsEngine::viewPort[4] = {0,0,0,0}; |
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[3790] | 456 | |
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| 457 | |
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[3844] | 458 | |
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[3617] | 459 | /** |
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[4836] | 460 | * outputs all the Fullscreen modes. |
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[3617] | 461 | */ |
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[4746] | 462 | void GraphicsEngine::listModes() |
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[3617] | 463 | { |
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| 464 | /* Get available fullscreen/hardware modes */ |
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| 465 | this->videoModes=SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_HWSURFACE); |
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[4597] | 466 | |
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[3617] | 467 | /* Check is there are any modes available */ |
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| 468 | if(this->videoModes == (SDL_Rect **)0){ |
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| 469 | PRINTF(1)("No modes available!\n"); |
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| 470 | exit(-1); |
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| 471 | } |
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[4597] | 472 | |
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[3617] | 473 | /* Check if our resolution is restricted */ |
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| 474 | if(this->videoModes == (SDL_Rect **)-1){ |
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[4135] | 475 | PRINTF(2)("All resolutions available.\n"); |
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[3617] | 476 | } |
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| 477 | else{ |
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| 478 | /* Print valid modes */ |
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| 479 | PRINT(0)("Available Resoulution Modes are\n"); |
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| 480 | for(int i = 0; this->videoModes[i]; ++i) |
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[4135] | 481 | PRINT(4)(" | %d x %d\n", this->videoModes[i]->w, this->videoModes[i]->h); |
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[3617] | 482 | } |
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[4245] | 483 | } |
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| 484 | |
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[4458] | 485 | /** |
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[5261] | 486 | * checks wether a certain extension is availiable |
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| 487 | * @param extension the Extension to check for (ex. GL_ARB_texture_env_dot3) |
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| 488 | * @return true if it is, false otherwise |
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| 489 | */ |
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| 490 | bool GraphicsEngine::hwSupportsEXT(const char* extension) |
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| 491 | { |
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| 492 | if (this->hwExtensions != NULL) |
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| 493 | for (unsigned int i = 0; i < this->hwExtensions->getCount(); i++) |
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| 494 | if (!strcmp(extension, this->hwExtensions->getString(i))) |
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| 495 | return true; |
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| 496 | return false; |
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| 497 | } |
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| 498 | |
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| 499 | /** |
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[5084] | 500 | * updates everything that is to be updated in the GraphicsEngine |
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| 501 | */ |
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| 502 | void GraphicsEngine::update(float dt) |
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| 503 | { |
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[5089] | 504 | NullElement2D::getInstance()->update2D(dt); |
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[5084] | 505 | } |
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| 506 | |
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| 507 | |
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| 508 | /** |
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[4836] | 509 | * ticks the Text |
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| 510 | * @param dt the time passed |
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[4458] | 511 | */ |
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[4849] | 512 | void GraphicsEngine::tick(float dt) |
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[4245] | 513 | { |
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[4458] | 514 | if( unlikely(this->bDisplayFPS)) |
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[4849] | 515 | { |
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| 516 | this->currentFPS = 1.0/dt; |
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| 517 | if( unlikely(this->currentFPS > this->maxFPS)) this->maxFPS = this->currentFPS; |
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| 518 | if( unlikely(this->currentFPS < this->minFPS)) this->minFPS = this->currentFPS; |
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[4597] | 519 | |
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[4536] | 520 | #ifndef NO_TEXT |
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[4458] | 521 | char tmpChar1[20]; |
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| 522 | sprintf(tmpChar1, "Current: %4.0f", this->currentFPS); |
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| 523 | this->geTextCFPS->setText(tmpChar1); |
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| 524 | char tmpChar2[20]; |
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| 525 | sprintf(tmpChar2, "Max: %4.0f", this->maxFPS); |
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| 526 | this->geTextMaxFPS->setText(tmpChar2); |
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| 527 | char tmpChar3[20]; |
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| 528 | sprintf(tmpChar3, "Min: %4.0f", this->minFPS); |
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| 529 | this->geTextMinFPS->setText(tmpChar3); |
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[4536] | 530 | #endif /* NO_TEXT */ |
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[4849] | 531 | |
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| 532 | |
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| 533 | } |
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| 534 | Render2D::getInstance()->tick(dt); |
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[4245] | 535 | } |
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[4597] | 536 | |
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[4849] | 537 | |
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| 538 | void GraphicsEngine::draw() const |
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| 539 | { |
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[4955] | 540 | GraphicsEngine::storeMatrices(); |
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[4862] | 541 | Render2D::getInstance()->draw(E2D_ALL_LAYERS); |
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[4850] | 542 | LightManager::getInstance()->draw(); |
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[4849] | 543 | } |
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| 544 | |
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[4458] | 545 | /** |
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[4836] | 546 | * displays the Frames per second |
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| 547 | * @param display if the text should be displayed |
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[4458] | 548 | |
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[4836] | 549 | @todo this is dangerous |
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[4458] | 550 | */ |
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[4245] | 551 | void GraphicsEngine::displayFPS(bool display) |
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| 552 | { |
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[4458] | 553 | if( display) |
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| 554 | { |
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[4536] | 555 | #ifndef NO_TEXT |
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[5079] | 556 | if (this->geTextCFPS == NULL) |
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| 557 | { |
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[5122] | 558 | this->geTextCFPS = TextEngine::getInstance()->createText("fonts/arial_black.ttf", 15, TEXT_RENDER_DYNAMIC); |
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[5079] | 559 | this->geTextCFPS->setAlignment(TEXT_ALIGN_LEFT); |
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[5124] | 560 | this->geTextCFPS->setAbsCoor2D(5, 15); |
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[5079] | 561 | } |
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| 562 | if (this->geTextMaxFPS == NULL) |
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| 563 | { |
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[5122] | 564 | this->geTextMaxFPS = TextEngine::getInstance()->createText("fonts/arial_black.ttf", 15, TEXT_RENDER_DYNAMIC); |
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[4458] | 565 | this->geTextMaxFPS->setAlignment(TEXT_ALIGN_LEFT); |
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[5124] | 566 | this->geTextMaxFPS->setAbsCoor2D(5, 40); |
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[5079] | 567 | } |
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| 568 | if (this->geTextMinFPS == NULL) |
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| 569 | { |
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[5122] | 570 | this->geTextMinFPS = TextEngine::getInstance()->createText("fonts/arial_black.ttf", 15, TEXT_RENDER_DYNAMIC); |
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[4458] | 571 | this->geTextMinFPS->setAlignment(TEXT_ALIGN_LEFT); |
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[5089] | 572 | this->geTextMinFPS->setAbsCoor2D(5, 65); |
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[5079] | 573 | } |
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[4536] | 574 | #endif /* NO_TEXT */ |
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[4458] | 575 | } |
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| 576 | this->bDisplayFPS = display; |
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[3617] | 577 | } |
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[4245] | 578 | |
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[4597] | 579 | |
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[4817] | 580 | /** |
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[5261] | 581 | \brief processes the events for the GraphicsEngine class |
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[4836] | 582 | * @param the event to handle |
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[4817] | 583 | */ |
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| 584 | void GraphicsEngine::process(const Event &event) |
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| 585 | { |
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| 586 | switch (event.type) |
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| 587 | { |
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| 588 | case EV_VIDEO_RESIZE: |
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| 589 | this->resolutionChanged(event.resize); |
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| 590 | break; |
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| 591 | } |
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| 592 | |
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| 593 | } |
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| 594 | |
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