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annotate mde/sdl.d @ 41:b3a6ca4516b4

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The renderer now controls which parts of the window border allow resizing. committer: Diggory Hardy <diggory.hardy@gmail.com>
author Diggory Hardy <diggory.hardy@gmail.com>
date Tue, 13 May 2008 12:02:36 +0100
parents 57d000574d75
children 0fd51d2c6c8a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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32
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1 /* LICENSE BLOCK
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2 Part of mde: a Modular D game-oriented Engine
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3 Copyright © 2007-2008 Diggory Hardy
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4
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5 This program is free software: you can redistribute it and/or modify it under the terms
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6 of the GNU General Public License as published by the Free Software Foundation, either
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7 version 2 of the License, or (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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11 See the GNU General Public License for more details.
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12
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13 You should have received a copy of the GNU General Public License
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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15
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16 /** Just a temporary place to put SDL Init and Video stuff.
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17 */
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18 module mde.sdl;
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19
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20 import mde.scheduler.initFunctions;
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21 import mde.input.joystick;
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22 import mde.Options;
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23 import mde.gl.basic;
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24 import imde = mde.imde;
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25
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26 import tango.util.log.Log : Log, Logger;
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27 import tango.stdc.stringz;
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28
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29 import derelict.sdl.sdl;
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30
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31 private Logger logger;
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32 static this() {
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33 logger = Log.getLogger ("mde.SDL");
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34
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35 init.addFunc (&initSdlAndGl, "initSdlAndGl");
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36 }
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37
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38 private uint flags = 0;
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39
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40 void initSdlAndGl() { // init func
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41 // Initialise SDL
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42 if (SDL_Init (SDL_INIT_VIDEO | SDL_INIT_JOYSTICK /+| SDL_INIT_EVENTTHREAD+/)) {
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43 logger.fatal ("SDL initialisation failed:");
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44 char* msg = SDL_GetError ();
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45 logger.fatal (msg ? fromStringz(msg) : "no reason available");
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46
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47 setInitFailure ();
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48 return;
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49 }
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50
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51 debug logger.trace ("SDL initialised");
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52
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53 // Must be called after SDL has been initialised, so cannot be a separate Init function.
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54 openJoysticks (); // after SDL init
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55 cleanup.addFunc (&cleanupSDL, "cleanupSDL");
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56
32
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57 setupWindow();
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58 }
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59
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60 void setupWindow() { // indirect init func (depends on initSdlAndGl)
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61 // Window creation flags and size
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62 flags = SDL_OPENGL;
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63 if (vidOpts.hardware) flags |= SDL_HWSURFACE | SDL_DOUBLEBUF;
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64 else flags |= SDL_SWSURFACE;
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65 int w, h;
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66 if (vidOpts.fullscreen) {
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67 flags |= SDL_FULLSCREEN;
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68 w = vidOpts.screenW;
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69 h = vidOpts.screenH;
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70 }
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71 else {
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72 if (vidOpts.resizable) flags |= SDL_RESIZABLE;
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73 if (vidOpts.noFrame) flags |= SDL_NOFRAME;
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74 w = vidOpts.windowW;
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75 h = vidOpts.windowH;
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76 }
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77
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78 // OpenGL attributes
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79 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
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80 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
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81 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
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82 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
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83 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER,1);
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84
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85 // Open a window
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86 debug logger.trace ("Opening a window (this can crash if the libraries are messed up)");
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87 if (SDL_SetVideoMode (w, h, 32, flags) is null) {
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88 logger.fatal ("Unable to set video mode:");
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89 char* msg = SDL_GetError ();
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90 logger.fatal (msg ? fromStringz(msg) : "no reason available");
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91
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92 setInitFailure ();
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93 return;
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94 }
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95
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96 // Now (must be done after GL context is created) try to load later version:
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97 /+ No later GL features are currently used.
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98 try {
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99 DerelictGL.loadVersions(GLVersion.Version21);
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100 } catch (DerelictException de) {
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101 logger.fatal ("Loading OpenGL version > 1.1 failed:");
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102 logger.fatal (de.msg);
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103
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104 setInitFailure ();
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105 return;
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106 }
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107 +/
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108
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109 // OpenGL stuff:
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110 glSetup();
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111 setProjection (w, h);
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112
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113 // Window-manager settings
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114 SDL_WM_SetCaption (toStringz ("mde"), null);
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115 // SDL_WM_GrabInput (use later)
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116 }
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117
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118 void resizeWindow (int w, int h) {
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119 if (vidOpts.fullscreen) {
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120 Options.setInt ("video", "screenW", w);
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121 Options.setInt ("video", "screenH", h);
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122 } else {
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123 Options.setInt ("video", "windowW", w);
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124 Options.setInt ("video", "windowH", h);
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125 }
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126
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127 if (SDL_SetVideoMode (w, h, 32, flags) is null) {
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128 logger.fatal ("Unable to reset video mode:");
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129 char* msg = SDL_GetError ();
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130 logger.fatal (msg ? fromStringz(msg) : "no reason available");
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131
36
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132 imde.run = false;
32
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133 }
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134
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135 // Reset the projection and viewport
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136 setProjection (w, h);
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137 }
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138
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139 void cleanupSDL () { // cleanup func
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140 closeJoysticks();
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141 SDL_Quit();
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142 }
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143
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144 /+ Load of info-printing stuff (currently doesn't have a use)
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145 // Print a load of info:
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146 logger.info ("Available video modes:");
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147 char[128] tmp;
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148 SDL_Rect** modes = SDL_ListModes (null, SDL_FULLSCREEN);
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149 if (modes is null) logger.info ("None!");
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150 else if (modes is cast(SDL_Rect**) -1) logger.info ("All modes are available");
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151 else {
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152 for (uint i = 0; modes[i] !is null; ++i) {
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153 logger.info (logger.format (tmp, "\t{}x{}", modes[i].w, modes[i].h));
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154 }
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155 }
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156
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157 SDL_VideoInfo* vi = SDL_GetVideoInfo ();
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158 if (vi !is null) {
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159 logger.info ("Video info:");
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160 logger.info ("Hardware surface support: "~ (vi.flags & SDL_HWSURFACE ? "yes" : "no"));
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161 logger.info (logger.format (tmp, "Video memory: {}", vi.video_mem));
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162
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163 if (vi.vfmt !is null) {
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164 logger.info ("Best video mode:");
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165 logger.info (logger.format (tmp, "Bits per pixel: {}", vi.vfmt.BitsPerPixel));
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166 }
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167 }
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168 +/
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169
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170
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171 /** All video options. */
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172 OptionsVideo vidOpts;
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173 class OptionsVideo : Options {
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174 alias store!("fullscreen","hardware","resizable","noFrame") BOOL;
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175 alias store!("screenW","screenH","windowW","windowH") INT;
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176 //alias store!() CHARA;
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177
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178 mixin (decBool!(BOOL.a));
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179 mixin (decInt!(INT.a));
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180 //mixin (decCharA!(CHARA.a));
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181
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182 this () {
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183 mixin (aaBool!(BOOL.a));
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184 mixin (aaInt!(INT.a));
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185 //mixin (aaCharA!(CHARA.a));
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186 }
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187
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188 static this() {
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189 vidOpts = new OptionsVideo;
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190 Options.addOptionsClass (vidOpts, "video");
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191 }
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192 }