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annotate mde/SDL.d @ 21:a60cbb7359dd

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Window settings now come from options, and may use OpenGL (enabled/disabled at compile time). committer: Diggory Hardy <diggory.hardy@gmail.com>
author Diggory Hardy <diggory.hardy@gmail.com>
date Mon, 24 Mar 2008 17:53:28 +0000
parents 838577503598
children 249eb6620685
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17
5f90774ea1ef Applied the GNU GPL v2 to mde.
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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 of
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6 the GNU General Public License, version 2, as published by the Free Software Foundation.
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7
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8 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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9 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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10 See the GNU General Public License for more details.
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11
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12 You should have received a copy of the GNU General Public License along
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13 with this program; if not, write to the Free Software Foundation, Inc.,
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14 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
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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
20
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20 import mde.scheduler.InitStage;
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21 import mde.input.joystick;
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22 import mde.options;
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23
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24 import tango.util.log.Log : Log, Logger;
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25 import tango.stdc.stringz;
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26
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27 import derelict.sdl.sdl;
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28 import derelict.opengl.gl;
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29 import derelict.util.exception;
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30
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31 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 init2.addFunc (&initSdlAndGl);
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36 init4.addFunc (&setupWindow);
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37 }
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38
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39 void initSdlAndGl() { // init2 func
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40 logger.trace ("init2: initSdlAndGl() started");
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41
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42 // Load SDL and GL dynamic libs
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43 try {
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44 DerelictSDL.load();
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45 DerelictGL.load();
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46 } catch (DerelictException de) {
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47 logger.fatal ("Loading dynamic library failed:");
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48 logger.fatal (de.msg);
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49
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50 setInitFailure ();
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51 return;
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52 }
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53 logger.trace ("Derelict: loaded SDL and OpenGL");
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54
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55 // Initialise SDL
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56 if (SDL_Init (SDL_INIT_VIDEO | SDL_INIT_JOYSTICK /+| SDL_INIT_EVENTTHREAD+/)) {
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57 logger.fatal ("SDL initialisation failed:");
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58 char* msg = SDL_GetError ();
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59 logger.fatal (msg ? fromStringz(msg) : "no reason available");
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60
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61 setInitFailure ();
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62 return;
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63 }
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64
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65 cleanup2.addFunc (&cleanupSDL);
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66 logger.trace ("SDL initialised");
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67
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68 // Must be called after SDL has been initialised, so cannot be a separate Init function.
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69 openJoysticks (); // after SDL init
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70 cleanup2.addFunc (&closeJoysticks);
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71
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72 logger.trace ("init2: initSdlAndGl() finished");
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73 }
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74
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75 void setupWindow() { // init4 func
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76 logger.trace ("init4: setupWindow() started");
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77
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78 // Window creation flags
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79 /* NOTE: I'm getting an API mismatch error from the nvidia driver when using OpenGL,
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80 * thus I've temporarily disabled it. */
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81 version (MDE_OPENGL) uint flags = SDL_OPENGL;
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82 else uint flags = 0;
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83 if (Options.video.fullscreen) flags |= SDL_FULLSCREEN;
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84 else {
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85 if (Options.video.resizable) flags |= SDL_RESIZABLE;
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86 if (Options.video.noFrame) flags |= SDL_NOFRAME;
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87 }
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88 if (Options.video.hardware) flags |= SDL_HWSURFACE | SDL_DOUBLEBUF;
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89 else flags |= SDL_SWSURFACE;
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90
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91 version (MDE_OPENGL) {
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92 // OpenGL attributes
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93 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
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94 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
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95 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
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96 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
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97 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER,1);
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98 }
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99
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100 // Open a window
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101 if (SDL_SetVideoMode (Options.video.width, Options.video.height, 32, flags) is null) {
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102 logger.fatal ("Unable to set video mode:");
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103 char* msg = SDL_GetError ();
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104 logger.fatal (msg ? fromStringz(msg) : "no reason available");
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105
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106 setInitFailure ();
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107 return;
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108 }
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109
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110 // Window-manager settings
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111 SDL_WM_SetCaption (toStringz ("mde"), null);
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112 // SDL_WM_GrabInput (use later)
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113
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114 logger.trace ("init4: setupWindow() finished");
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115 }
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116
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117 void cleanupSDL () { // cleanup2 func
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118 logger.trace ("cleanup2: cleanupSDL() started");
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119 SDL_Quit();
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120 logger.trace ("cleanup2: cleanupSDL() finished");
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121 }
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122
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123 /+ Load of info-printing stuff (currently doesn't have a use)
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124 // Print a load of info:
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125 logger.info ("Available video modes:");
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126 char[128] tmp;
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127 SDL_Rect** modes = SDL_ListModes (null, SDL_FULLSCREEN);
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128 if (modes is null) logger.info ("None!");
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129 else if (modes is cast(SDL_Rect**) -1) logger.info ("All modes are available");
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130 else {
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131 for (uint i = 0; modes[i] !is null; ++i) {
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132 logger.info (logger.format (tmp, "\t{}x{}", modes[i].w, modes[i].h));
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133 }
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134 }
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135
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136 SDL_VideoInfo* vi = SDL_GetVideoInfo ();
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137 if (vi !is null) {
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138 logger.info ("Video info:");
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139 logger.info ("Hardware surface support: "~ (vi.flags & SDL_HWSURFACE ? "yes" : "no"));
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140 logger.info (logger.format (tmp, "Video memory: {}", vi.video_mem));
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141
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142 if (vi.vfmt !is null) {
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143 logger.info ("Best video mode:");
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144 logger.info (logger.format (tmp, "Bits per pixel: {}", vi.vfmt.BitsPerPixel));
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145 }
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146 }
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147 +/