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: Benjamin Grauer |
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13 | co-programmer: ... |
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14 | */ |
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15 | |
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16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_GRAPHICS |
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17 | |
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18 | #include "graphics_engine.h" |
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19 | |
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20 | #include "debug.h" |
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21 | |
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22 | using namespace std; |
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23 | |
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24 | |
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25 | /** |
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26 | \brief standard constructor |
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27 | \todo this constructor is not jet implemented - do it |
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28 | */ |
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29 | GraphicsEngine::GraphicsEngine () |
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30 | { |
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31 | this->setClassName ("GraphicsEngine"); |
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32 | this->initVideo(); |
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33 | |
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34 | this->listModes(); |
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35 | |
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36 | |
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37 | } |
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38 | |
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39 | GraphicsEngine* GraphicsEngine::singletonRef = NULL; |
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40 | |
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41 | GraphicsEngine* GraphicsEngine::getInstance() |
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42 | { |
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43 | if (!GraphicsEngine::singletonRef) |
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44 | GraphicsEngine::singletonRef = new GraphicsEngine(); |
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45 | return GraphicsEngine::singletonRef; |
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46 | } |
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47 | |
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48 | |
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49 | /** |
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50 | \brief destructs the graphicsEngine. |
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51 | */ |
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52 | GraphicsEngine::~GraphicsEngine () |
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53 | { |
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54 | // delete what has to be deleted here |
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55 | } |
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56 | |
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57 | /** |
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58 | \brief initializes the Video for openGL. |
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59 | |
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60 | This has to be done only once when starting orxonox. |
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61 | */ |
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62 | int GraphicsEngine::initVideo() |
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63 | { |
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64 | // initialize SDL_VIDEO |
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65 | if (SDL_Init(SDL_INIT_VIDEO) == -1) |
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66 | { |
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67 | PRINTF(1)("could not initialize SDL Video\n"); |
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68 | // return -1; |
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69 | } |
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70 | // initialize SDL_GL-settings |
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71 | this->setGLattribs(); |
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72 | |
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73 | // setting the Video Flags. |
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74 | this->videoFlags = SDL_OPENGL | SDL_HWPALETTE | SDL_RESIZABLE; |
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75 | |
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76 | /* query SDL for information about our video hardware */ |
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77 | const SDL_VideoInfo* videoInfo = SDL_GetVideoInfo (); |
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78 | if( videoInfo == NULL) |
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79 | { |
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80 | PRINTF(1)("Failed getting Video Info :%s\n", SDL_GetError()); |
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81 | SDL_Quit (); |
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82 | } |
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83 | if( videoInfo->hw_available) |
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84 | this->videoFlags |= SDL_HWSURFACE; |
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85 | else |
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86 | this->videoFlags |= SDL_SWSURFACE; |
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87 | /* |
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88 | if(VideoInfo -> blit_hw) |
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89 | VideoFlags |= SDL_HWACCEL; |
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90 | */ |
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91 | |
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92 | // setting up the Resolution |
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93 | this->setResoulution(800, 600, 16); |
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94 | |
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95 | // Set window labeling |
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96 | SDL_WM_SetCaption ("Orxonox " PACKAGE_VERSION, "Orxonox " PACKAGE_VERSION); |
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97 | |
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98 | // TO DO: Create a cool icon and use it here |
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99 | // SDL_WM_SetIcon(SDL_Surface *icon, Uint8 *mask); |
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100 | |
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101 | } |
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102 | |
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103 | |
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104 | int GraphicsEngine::setGLattribs(void) |
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105 | { |
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106 | // Set video mode |
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107 | // TO DO: parse arguments for settings |
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108 | //SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5); |
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109 | //SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5); |
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110 | //SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5); |
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111 | //SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16); |
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112 | |
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113 | |
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114 | SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 ); |
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115 | SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16); |
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116 | SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE, 0); |
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117 | SDL_GL_SetAttribute( SDL_GL_ACCUM_RED_SIZE, 0); |
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118 | SDL_GL_SetAttribute( SDL_GL_ACCUM_GREEN_SIZE, 0); |
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119 | SDL_GL_SetAttribute( SDL_GL_ACCUM_BLUE_SIZE, 0); |
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120 | SDL_GL_SetAttribute( SDL_GL_ACCUM_ALPHA_SIZE, 0); |
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121 | } |
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122 | |
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123 | int GraphicsEngine::setResoulution(int width, int height, int bpp) |
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124 | { |
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125 | this->resolutionX = width; |
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126 | this->resolutionY = height; |
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127 | this->bitsPerPixel = bpp; |
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128 | |
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129 | if((this->screen = SDL_SetVideoMode (this->resolutionX, this->resolutionY, this->bitsPerPixel, this->videoFlags)) == NULL) |
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130 | { |
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131 | 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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132 | SDL_Quit(); |
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133 | // return -1; |
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134 | } |
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135 | |
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136 | } |
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137 | |
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138 | |
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139 | |
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140 | |
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141 | |
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142 | |
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143 | |
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144 | /** |
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145 | \brief outputs all the Fullscreen modes. |
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146 | */ |
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147 | void GraphicsEngine::listModes(void) |
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148 | { |
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149 | /* Get available fullscreen/hardware modes */ |
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150 | this->videoModes=SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_HWSURFACE); |
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151 | |
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152 | /* Check is there are any modes available */ |
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153 | if(this->videoModes == (SDL_Rect **)0){ |
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154 | PRINTF(1)("No modes available!\n"); |
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155 | exit(-1); |
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156 | } |
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157 | |
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158 | /* Check if our resolution is restricted */ |
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159 | if(this->videoModes == (SDL_Rect **)-1){ |
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160 | PRINTF(1)("All resolutions available.\n"); |
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161 | } |
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162 | else{ |
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163 | /* Print valid modes */ |
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164 | PRINT(0)("Available Resoulution Modes are\n"); |
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165 | for(int i = 0; this->videoModes[i]; ++i) |
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166 | PRINT(0)(" | %d x %d\n", this->videoModes[i]->w, this->videoModes[i]->h); |
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167 | } |
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168 | |
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169 | } |
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