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1
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2 // written in the D programming language
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3
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4 /++
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5 + Authors: Stephan Dilly, www.extrawurst.org
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6 +/
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7
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8 module framework;
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9
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10 import derelict.sdl.sdl;
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11 import derelict.opengl.gl;
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12 import derelict.opengl.glu;
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13
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14 import std.string;
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15 import std.stdio;
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16
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18
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17 void startup(string _title,int _width,int _height,bool _disableVsync=true)
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16
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18 {
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19 DerelictGL.load();
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20 DerelictGLU.load();
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21 DerelictSDL.load();
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22
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23 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0)
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24 {
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25 throw new Exception("Failed to initialize SDL");
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26 }
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27
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28 // Enable key repeating
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29 if ((SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL)))
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30 {
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31 throw new Exception("Failed to set key repeat");
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32 }
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33
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34 //enable to get ascii/unicode info of key event
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35 SDL_EnableUNICODE(1);
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36
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37 // Set the OpenGL attributes
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38 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
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39 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
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40 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
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41 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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18
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42 SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL,_disableVsync?0:1);
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43
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44 // Set the window title
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45 SDL_WM_SetCaption(cast(char*)toStringz(_title), null);
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46
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47 int mode = SDL_OPENGL;
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48
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49 // Now open a SDL OpenGL window with the given parameters
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50 if (SDL_SetVideoMode(_width, _height, 32, mode) is null)
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51 {
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52 throw new Exception("Failed to open SDL window");
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53 }
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54 }
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55
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56 alias void delegate(int,int,bool) MouseButton;
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57 alias void delegate(int,int) MouseMove;
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58 alias void delegate(int,bool) KeyEvent;
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59 public bool processEvents(KeyEvent _keyevent,MouseMove _mmove,MouseButton _mbutton)
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60 {
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61 SDL_Event event;
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62 while (SDL_PollEvent(&event))
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63 {
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64 switch (event.type)
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65 {
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66 case SDL_KEYUP:
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67 case SDL_KEYDOWN:
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68 _keyevent(event.key.keysym.sym,event.type == SDL_KEYDOWN);
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69 break;
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70
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71 case SDL_MOUSEMOTION:
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72 _mmove(event.motion.x,event.motion.y);
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73 break;
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74
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75 case SDL_MOUSEBUTTONUP:
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76 case SDL_MOUSEBUTTONDOWN:
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77 _mbutton(event.button.x,event.button.y,event.type == SDL_MOUSEBUTTONDOWN);
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78 break;
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79
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80 case SDL_QUIT:
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81 return false;
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82
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83 default:
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84 break;
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85 }
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86 }
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87
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88 return true;
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89 }
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90
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91 void shutdown()
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92 {
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93 SDL_Quit();
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19
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94 }
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95
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96 version (Win32)
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97 {
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98 import std.c.windows.windows;
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99
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100 static long winfrequ;
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101
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102 static this()
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103 {
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104 QueryPerformanceFrequency(&winfrequ);
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105 }
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106
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107 ulong tickCount(){
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108 long ret;
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109 QueryPerformanceCounter(&ret);
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110 return (cast(ulong)(cast(float)ret / winfrequ * 1000));
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111 }
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112 }
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113 else version (linux)
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114 {
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115 import std.c.linux.linux;
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116
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117 ulong tickCount(){
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118
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119 timeval val;
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120 gettimeofday(&val,null);
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121
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122 //return time(null);
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123 return val.tv_usec/1000;
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124 }
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125 }
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126 else version (OSX)
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127 {
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128 import std.date;
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129
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130 ulong tickCount(){
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131
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132 return cast(ulong)getUTCtime();
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133 }
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134 } |
