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annotate mde/sdl.d @ 36:57d000574d75

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Enabled drawing on demand, and made the polling interval configurable. Renamed mde.global to mde.imde. Enabled drawing on demand. Allowed options to take double values. Made the main loop's polling interval (sleep duration) settable from config files. committer: Diggory Hardy <diggory.hardy@gmail.com>
author Diggory Hardy <diggory.hardy@gmail.com>
date Fri, 02 May 2008 17:38:43 +0100
parents 6886402c1545
children b3a6ca4516b4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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;
36
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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
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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 if (SDL_SetVideoMode (w, h, 32, flags) is null) {
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87 logger.fatal ("Unable to set video mode:");
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88 char* msg = SDL_GetError ();
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89 logger.fatal (msg ? fromStringz(msg) : "no reason available");
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90
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91 setInitFailure ();
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92 return;
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93 }
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94
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95 // Now (must be done after GL context is created) try to load later version:
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96 /+ No later GL features are currently used.
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97 try {
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98 DerelictGL.loadVersions(GLVersion.Version21);
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99 } catch (DerelictException de) {
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100 logger.fatal ("Loading OpenGL version > 1.1 failed:");
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101 logger.fatal (de.msg);
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102
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103 setInitFailure ();
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104 return;
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105 }
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106 +/
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107
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108 // OpenGL stuff:
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109 glSetup();
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110 setProjection (w, h);
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111
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112 // Window-manager settings
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113 SDL_WM_SetCaption (toStringz ("mde"), null);
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114 // SDL_WM_GrabInput (use later)
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115 }
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116
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117 void resizeWindow (int w, int h) {
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118 if (vidOpts.fullscreen) {
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119 Options.setInt ("video", "screenW", w);
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120 Options.setInt ("video", "screenH", h);
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121 } else {
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122 Options.setInt ("video", "windowW", w);
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123 Options.setInt ("video", "windowH", h);
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124 }
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125
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126 if (SDL_SetVideoMode (w, h, 32, flags) is null) {
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127 logger.fatal ("Unable to reset video mode:");
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128 char* msg = SDL_GetError ();
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129 logger.fatal (msg ? fromStringz(msg) : "no reason available");
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130
36
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131 imde.run = false;
32
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132 }
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133
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134 // Reset the projection and viewport
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135 setProjection (w, h);
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136 }
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137
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138 void cleanupSDL () { // cleanup func
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139 closeJoysticks();
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140 SDL_Quit();
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141 }
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142
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143 /+ Load of info-printing stuff (currently doesn't have a use)
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144 // Print a load of info:
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145 logger.info ("Available video modes:");
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146 char[128] tmp;
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147 SDL_Rect** modes = SDL_ListModes (null, SDL_FULLSCREEN);
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148 if (modes is null) logger.info ("None!");
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149 else if (modes is cast(SDL_Rect**) -1) logger.info ("All modes are available");
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150 else {
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151 for (uint i = 0; modes[i] !is null; ++i) {
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152 logger.info (logger.format (tmp, "\t{}x{}", modes[i].w, modes[i].h));
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153 }
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154 }
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155
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156 SDL_VideoInfo* vi = SDL_GetVideoInfo ();
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157 if (vi !is null) {
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158 logger.info ("Video info:");
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159 logger.info ("Hardware surface support: "~ (vi.flags & SDL_HWSURFACE ? "yes" : "no"));
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160 logger.info (logger.format (tmp, "Video memory: {}", vi.video_mem));
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161
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162 if (vi.vfmt !is null) {
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163 logger.info ("Best video mode:");
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164 logger.info (logger.format (tmp, "Bits per pixel: {}", vi.vfmt.BitsPerPixel));
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165 }
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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 /** All video options. */
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171 OptionsVideo vidOpts;
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172 class OptionsVideo : Options {
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173 alias store!("fullscreen","hardware","resizable","noFrame") BOOL;
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174 alias store!("screenW","screenH","windowW","windowH") INT;
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175 //alias store!() CHARA;
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176
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177 mixin (decBool!(BOOL.a));
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178 mixin (decInt!(INT.a));
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179 //mixin (decCharA!(CHARA.a));
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180
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181 this () {
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182 mixin (aaBool!(BOOL.a));
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183 mixin (aaInt!(INT.a));
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184 //mixin (aaCharA!(CHARA.a));
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185 }
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186
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187 static this() {
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188 vidOpts = new OptionsVideo;
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189 Options.addOptionsClass (vidOpts, "video");
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190 }
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191 }