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Add binding for simple form of SDL_RenderCopyEx
author Michael Pavone <pavone@retrodev.com>
date Tue, 22 Jul 2014 18:39:00 -0700
parents bb1539decd62
children 38bbbf74b735
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1 {
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2 _constant <- macro: :name cname {
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3 quote: (llMessage: name withVars: {
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4 uintret <- obj_uint32 ptr
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5 } andCode: {
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6 uintret <- make_object: (addr_of: obj_uint32_meta) NULL 0
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7 uintret num!: cname
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8 uintret
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9 })
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10 }
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11 _subsystems <- #{
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12 _constant: timer SDL_INIT_TIMER
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13 _constant: audio SDL_INIT_AUDIO
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14 _constant: video SDL_INIT_VIDEO
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15 _constant: joystick SDL_INIT_JOYSTICK
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16 _constant: haptic SDL_INIT_HAPTIC
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17 _constant: gameController SDL_INIT_GAMECONTROLLER
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18 _constant: events SDL_INIT_EVENTS
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19 _constant: everything SDL_INIT_EVERYTHING
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20 }
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21
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22 _windowOpts <- #{
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23 _constant: fullscreen SDL_WINDOW_FULLSCREEN
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24 _constant: fullscreenDesktop SDL_WINDOW_FULLSCREEN_DESKTOP
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25 _constant: opengl SDL_WINDOW_OPENGL
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26 _constant: hidden SDL_WINDOW_HIDDEN
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27 _constant: borderless SDL_WINDOW_BORDERLESS
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28 _constant: minimized SDL_WINDOW_MINIMIZED
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29 _constant: maximized SDL_WINDOW_MAXIMIZED
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30 _constant: inputGrabbed SDL_WINDOW_INPUT_GRABBED
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31 _constant: allowHighDPI SDL_WINDOW_ALLOW_HIGHDPI
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32 }
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33
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34 _renderOpts <- #{
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35 _constant: software SDL_RENDERER_SOFTWARE
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36 _constant: accelerated SDL_RENDERER_ACCELERATED
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37 _constant: presentVSYNC SDL_RENDERER_PRESENTVSYNC
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38 _constant: targetTexture SDL_RENDERER_TARGETTEXTURE
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39
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40 }
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41
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42 _helper <- #{
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43 llMessage: createWindow withVars: {
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44 title <- string ptr
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45 x <- obj_int32 ptr
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46 y <- obj_int32 ptr
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47 w <- obj_int32 ptr
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48 h <- obj_int32 ptr
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49 flags <- obj_uint32 ptr
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50 makeWindow <- lambda ptr
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51 windowOpaque <- cpointer ptr
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52 win <- object ptr
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53 } andCode: :title x y w h flags makeWindow {
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54 windowOpaque <- make_object: (addr_of: cpointer_meta) NULL 0
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55 windowOpaque val!: (SDL_CreateWindow: (title data) (x num) (y num) (w num) (h num) (flags num))
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56 if: (windowOpaque val) {
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57 win <- ccall: makeWindow 1 (windowOpaque castTo: (object ptr))
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58 mcall: value 2 option win
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59 } else: {
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60 mcall: none 1 option
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61 }
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62 }
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63
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64 llMessage: createRenderer withVars: {
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65 window <- cpointer ptr
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66 index <- obj_int32 ptr
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67 flags <- obj_uint32 ptr
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68 rendOpaque <- cpointer ptr
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69 rend <- object ptr
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70 makeRender <- lambda ptr
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71 } andCode: :window index flags makeRender {
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72 rendOpaque <- make_object: (addr_of: cpointer_meta) NULL 0
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73 rendOpaque val!: (SDL_CreateRenderer: (window val) (index num) (flags num))
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74 if: (rendOpaque val) {
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75 rend <- ccall: makeRender 1 (rendOpaque castTo: (object ptr))
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76 mcall: value 2 option rend
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77 } else: {
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78 mcall: none 1 option
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79 }
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80 }
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81
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82 llMessage: loadBMP withVars: {
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83 filename <- string ptr
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84 makeSurface <- lambda ptr
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85 surfOpaque <- cpointer ptr
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86 surf <- object ptr
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87 } andCode: :filename makeSurface{
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88 surfOpaque <- make_object: (addr_of: cpointer_meta) NULL 0
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89 surfOpaque val!: (SDL_LoadBMP: (filename data))
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90 if: (surfOpaque val) {
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91 surf <- ccall: makeSurface 1 (surfOpaque castTo: (object ptr))
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92 mcall: value 2 option surf
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93 } else: {
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94 mcall: none 1 option
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95 }
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96 }
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97
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98 llMessage: createTextureFromSurface withVars: {
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99 rendOpaque <- cpointer ptr
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100 surfOpaque <- cpointer ptr
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101 makeTexture <- lambda ptr
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102 texOpaque <- cpointer ptr
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103 tex <- object ptr
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104 } andCode: :rendOpaque surfOpaque makeTexture {
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105 texOpaque <- make_object: (addr_of: cpointer_meta) NULL 0
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106 texOpaque val!: (SDL_CreateTextureFromSurface: (rendOpaque val) (surfOpaque val))
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107 if: (texOpaque val) {
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108 tex <- ccall: makeTexture 1 (rendOpaque castTo: (object ptr)) (texOpaque castTo: (object ptr))
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109 mcall: value 2 option tex
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110 } else: {
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111 mcall: none 1 option
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112 }
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113 }
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114 }
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115
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116 _makeTexture <- :rendptr texptr {
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117 #{
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118 includeSystemHeader: "SDL.h"
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119 llProperty: renderer withType: (SDL_Renderer ptr)
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120 llProperty: texture withType: (SDL_Texture ptr)
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121 llMessage: opaque withVars: {
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122 ptr <- cpointer ptr
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123 } andCode: {
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124 ptr <- make_object: (addr_of: cpointer_meta) NULL 0
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125 ptr val!: texture
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126 ptr
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127 }
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128 llMessage: _ptr_init withVars: {
279
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129 rendptr <- cpointer ptr
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130 texptr <- cpointer ptr
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131 } andCode: :rendptr texptr{
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132 renderer <- rendptr val
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133 texture <- texptr val
278
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134 self
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135 }
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136
279
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137 llMessage: copy withVars: {
278
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138 intret <- obj_int32 ptr
279
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139 } andCode: {
278
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140 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
279
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141 intret num!: (SDL_RenderCopy: renderer texture NULL NULL)
278
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142 intret
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143 }
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144
283
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145 llMessage: copyTo withVars: {
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146 dst <- object ptr
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147 dstOpaque <- cpointer ptr
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148 intret <- obj_int32 ptr
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149 } andCode: :dst {
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150 dstOpaque <- (mcall: _rectPointer 1 dst) castTo: (cpointer ptr)
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151 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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152 intret num!: (SDL_RenderCopy: renderer texture NULL (dstOpaque val))
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153 intret
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154 }
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155
284
99c18127da04 Add another SDL_RenderCopy binding in the form of copyRect:To
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156 llMessage: copyRect:To withVars: {
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157 src <- object ptr
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158 dst <- object ptr
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159 srcOpaque <- cpointer ptr
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160 dstOpaque <- cpointer ptr
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161 intret <- obj_int32 ptr
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162 } andCode: :src :dst {
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163 srcOpaque <- (mcall: _rectPointer 1 src) castTo: (cpointer ptr)
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164 dstOpaque <- (mcall: _rectPointer 1 dst) castTo: (cpointer ptr)
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165 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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166 intret num!: (SDL_RenderCopy: renderer texture (srcOpaque val) (dstOpaque val))
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167 intret
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168 }
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169
287
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170 llMessage: copyTo:rotated withVars: {
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171 dst <- object ptr
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172 angle <- object ptr
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173 dstOpaque <- cpointer ptr
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174 anglef <- obj_float32 ptr
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175 intret <- obj_int32 ptr
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176 } andCode: :dst :angle {
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177 anglef <- (mcall: f32 1 angle) castTo: (obj_float32 ptr)
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178 dstOpaque <- (mcall: _rectPointer 1 dst) castTo: (cpointer ptr)
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179 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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180 intret num!: (SDL_RenderCopyEx: renderer texture NULL (dstOpaque val) (anglef num) NULL SDL_FLIP_NONE)
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181 intret
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182 }
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183
278
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184 llMessage: destroy withVars: {} andCode: {
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185 SDL_DestroyTexture: texture
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186 true
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187 }
279
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188 } _ptr_init: rendptr texptr
278
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189 }
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190
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191 _makeSurface <- :ptr {
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192 #{
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193 includeSystemHeader: "SDL.h"
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194 llProperty: surface withType: (SDL_Surface ptr)
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195 llMessage: opaque withVars: {
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196 ptr <- cpointer ptr
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197 } andCode: {
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198 ptr <- make_object: (addr_of: cpointer_meta) NULL 0
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199 ptr val!: surface
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200 ptr
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201 }
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202 llMessage: _ptr_init withVars: {
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203 ptr <- cpointer ptr
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204 } andCode: :ptr{
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205 surface <- ptr val
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206 self
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207 }
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208
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209 asTexture <- :renderer {
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210 _helper createTextureFromSurface: (renderer opaque) opaque _makeTexture
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211 }
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212
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213 llMessage: free withVars: {} andCode: {
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214 SDL_FreeSurface: surface
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215 true
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216 }
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217 } _ptr_init: ptr
274
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218 }
277
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219
274
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parents:
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220 #{
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221 includeSystemHeader: "SDL.h"
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222 includeSystemHeader: "stdlib.h"
277
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223
274
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224 llMessage: init withVars: {
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225 flags <- obj_uint32 ptr
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226 intret <- obj_int32 ptr
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227 } andCode: :flags {
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228 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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229 intret num!: (SDL_Init: (flags num))
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230 if: (intret num) {
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231 atexit: SDL_Quit
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232 }
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233 intret
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234 }
277
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235
274
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236 llMessage: initSubSystem withVars: {
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237 flags <- obj_uint32 ptr
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238 intret <- obj_int32 ptr
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239 } andCode: :flags {
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240 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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241 intret num!: (SDL_InitSubSystem: (flags num))
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242 intret
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243 }
277
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diff changeset
244
274
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245 llMessage: quitSubSystem withVars: {
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246 flags <- obj_uint32 ptr
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247 } andCode: :flags {
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248 SDL_QuitSubSystem: (flags num)
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249 true
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250 }
277
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251
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252 r:g:b:a <- :rc :gc :bc :ac {
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253 #{
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254 r <- rc
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255 g <- gc
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256 b <- bc
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257 a <- ac
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258 }
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259 }
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260
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261 r:g:b <- :r :g :b {
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262 r: r g: g b: b a: 255u8
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263 }
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264
274
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265 createWindow:pos:size:flags <- :title :x y :w h :flags{
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266 _helper createWindow: title x y w h flags :ptr {
277
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267 print: (string: ptr) . "\n"
274
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268 #{
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269 includeSystemHeader: "SDL.h"
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270 llProperty: window withType: (SDL_Window ptr)
277
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271 llMessage: opaque withVars: {
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272 op <- cpointer ptr
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273 } andCode: {
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274 op <- make_object: (addr_of: cpointer_meta) NULL 0
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275 op val!: window
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276 op
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277 }
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diff changeset
278
274
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279 llMessage: _ptr_init withVars: {
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280 ptr <- cpointer ptr
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281 } andCode: :ptr {
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282 window <- ptr val
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283 self
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284 }
277
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285
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286 renderOpts <- { _renderOpts }
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287
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288 createRenderer:flags <- :index :flags {
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289 _helper createRenderer: (self opaque) index flags :ptr {
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290 #{
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291 includeSystemHeader: "SDL.h"
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292 llProperty: renderer withType: (SDL_Renderer ptr)
278
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293 llMessage: opaque withVars: {
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294 op <- cpointer ptr
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295 } andCode: {
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296 op <- make_object: (addr_of: cpointer_meta) NULL 0
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297 op val!: renderer
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298 op
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299 }
277
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300 llMessage: _ptr_init withVars: {
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301 ptr <- cpointer ptr
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302 } andCode: :ptr {
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303 renderer <- ptr val
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304 self
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305 }
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306
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307 llMessage: drawColor! withVars: {
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308 color <- object ptr
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309 rc <- obj_uint8 ptr
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310 gc <- obj_uint8 ptr
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311 bc <- obj_uint8 ptr
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diff changeset
312 ac <- obj_uint8 ptr
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diff changeset
313 intret <- obj_int32 ptr
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diff changeset
314 } andCode: :color {
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diff changeset
315 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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diff changeset
316 rc <- (mcall: r 1 color) castTo: (obj_uint8 ptr)
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317 gc <- (mcall: g 1 color) castTo: (obj_uint8 ptr)
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318 bc <- (mcall: b 1 color) castTo: (obj_uint8 ptr)
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diff changeset
319 ac <- (mcall: a 1 color) castTo: (obj_uint8 ptr)
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diff changeset
320 intret num!: (SDL_SetRenderDrawColor: renderer (rc num) (gc num) (bc num) (ac num))
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diff changeset
321 intret
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diff changeset
322 }
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diff changeset
323
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diff changeset
324 llMessage: clear withVars: {
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diff changeset
325 intret <- obj_int32 ptr
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diff changeset
326 } andCode: {
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diff changeset
327 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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diff changeset
328 intret num!: (SDL_RenderClear: renderer)
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diff changeset
329 intret
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diff changeset
330 }
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diff changeset
331
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diff changeset
332 llMessage: present withVars: {} andCode: {
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diff changeset
333 SDL_RenderPresent: renderer
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diff changeset
334 true
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diff changeset
335 }
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diff changeset
336
2b58eafa360b Add SDL bindings for creating a renderer, clearing it, presenting it and destroying it
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diff changeset
337 llMessage: destroy withVars: {} andCode: {
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diff changeset
338 SDL_DestroyRenderer: renderer
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diff changeset
339 true
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diff changeset
340 }
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diff changeset
341 } _ptr_init: ptr
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diff changeset
342 }
2b58eafa360b Add SDL bindings for creating a renderer, clearing it, presenting it and destroying it
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diff changeset
343 }
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diff changeset
344
274
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diff changeset
345 llMessage: destroy withVars: {
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346 } andCode: {
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347 SDL_DestroyWindow: window
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diff changeset
348 true
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diff changeset
349 }
277
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diff changeset
350 } _ptr_init: ptr
274
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diff changeset
351 }
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diff changeset
352 }
277
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diff changeset
353
278
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diff changeset
354 loadBMP <- :filename {
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diff changeset
355 _helper loadBMP: filename _makeSurface
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diff changeset
356 }
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diff changeset
357
274
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diff changeset
358 llMessage: delay withVars: {
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diff changeset
359 ms <- obj_uint32 ptr
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diff changeset
360 } andCode: :ms {
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diff changeset
361 SDL_Delay: (ms num)
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diff changeset
362 true
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diff changeset
363 }
277
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diff changeset
364
278
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diff changeset
365 llMessage: clearError withVars: {} andCode: {
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diff changeset
366 SDL_ClearError:
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diff changeset
367 true
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diff changeset
368 }
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diff changeset
369
283
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370 rect:size <- :x y :w h {
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371 getter <- macro: :propName {
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372 quote: (llMessage: propName withVars: {
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373 intret <- obj_int32 ptr
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374 } andCode: {
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375 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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376 intret num!: ((addr_of: rect) propName)
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377 intret
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378 })
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379 }
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380 setter <- macro: :propName {
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381 quote: (llMessage: propName withVars: {
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382 v <- obj_int32 ptr
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383 } andCode: :v {
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384 (addr_of: rect) propName: (v num)
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385 self
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386 })
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387 }
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388 (((#{
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389 llProperty: rect withType: SDL_Rect
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390 getter: x
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391 setter: x!
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392 getter: y
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393 setter: y!
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394 getter: w
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395 setter: w!
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396 getter: h
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397 setter: h!
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398 llMessage: _rectPointer withVars: {
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399 retptr <- cpointer ptr
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400 } andCode: {
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401 retptr <- make_object: (addr_of: cpointer_meta) NULL 0
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402 retptr val!: (addr_of: (self rect))
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403 retptr
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404 }
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405 } x!: x) y!: y) w!: w) h!: h
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406 }
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407
278
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408 llMessage: getError withVars: {
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409 str <- string ptr
285
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410 rawstr <- const: (char ptr)
278
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411 } andCode: {
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412 rawstr <- SDL_GetError:
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413 str <- make_object: (addr_of: string_meta) NULL 0
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414 str bytes!: (strlen: rawstr)
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415 str len!: (str bytes)
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416 str data!: (GC_MALLOC: (str bytes) + 1)
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417 memcpy: (str data) rawstr (str bytes) + 1
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418 str
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419 }
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420
274
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421 subsystems <- { _subsystems }
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422 windowOpts <- { _windowOpts }
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423 }
277
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424 }