Mercurial > hg > Game > Cerium

annotate Renderer/Engine/polygon.cc @ 1161:cc1a50cac83d draft

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use MemorySegment API for pp load. do not check execution of the cell side. to be continued..
author Yutaka_Kinjyo
date Thu, 05 May 2011 00:15:43 +0900
parents 786e800abfb4
children b8adf4e95e96
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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1 #include <iostream>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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2 #include <SDL.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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3 #include <SDL_opengl.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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4 #include <SDL_image.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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5 #include "polygon.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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6 #include "xml.h"
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7 #include "matrix_calc.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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8 #include "triangle.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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9 #include "vertex.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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10 #include "Span.h"
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11 #include "SpanC.h"
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12 #include "scene_graph_pack.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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13 #include "error.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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14 #include "viewer_types.h"
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15 using namespace std;
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16
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17
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19
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20 Polygon::Polygon()
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21 {
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22 position_init();
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23 }
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24
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25 void
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26 Polygon::position_init(void)
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27 {
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28
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29 xyz[0] = 0;
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30 xyz[1] = 0;
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31 xyz[2] = 0;
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32 xyz[3] = 1;
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33 c_xyz[0] = 0;
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34 c_xyz[1] = 0;
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35 c_xyz[2] = 0;
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36 c_xyz[3] = 1;
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37 angle[0] = 0;
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38 angle[1] = 0;
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39 angle[2] = 0;
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40 angle[3] = 1;
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41 scale[0] = 1;
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42 scale[1] = 1;
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43 scale[2] = 1;
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46 }
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47
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48 void Polygon::pickup_coordinate(char *cont)
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49 {
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50
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51 // size は頂点の数, count は面の数
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52 char *tmp_cont = cont;
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53 int count = size / 3;
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54
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55 for (int i = 0; i < pp_num; i++) {
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56
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57 TrianglePackPtr tri = pp[i].tri;
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58 // TrianglePack の size のチェック
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59 int tri_size = (count < MAX_SIZE_TRIANGLE) ? count : MAX_SIZE_TRIANGLE ;
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60 pp[i].info.size = tri_size;
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61
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62 for (int j = 0; j < tri_size; j++) {
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63
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64 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver1.x));
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65 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver1.y));
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66 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver1.z));
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67
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68 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver2.x));
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69 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver2.y));
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70 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver2.z));
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71
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72 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver3.x));
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73 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver3.y));
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74 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver3.z));
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75
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76 if (tmp_cont == NULL)
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77 {
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78 cout << "Analyzing obj data failed coordinate\n";
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79 }
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80
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81 count -= 1;
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82
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83 }
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84
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85 }
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86
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87 if (count != 0) {
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88 printf("miss pickup_coordinate size. diff size = %d\n", count);
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89 }
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90
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91 }
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92
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93 void Polygon::pickup_normal(char *cont)
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94 {
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95
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96
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97 // size は頂点の数, count は面の数
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98 char *tmp_cont = cont;
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99 int count = size / 3;
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100
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101 for (int i = 0; i < pp_num; i++) {
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102
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103 TrianglePackPtr tri = pp[i].tri;
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104 // TrianglePack の size のチェック
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105 int tri_size = (count < MAX_SIZE_TRIANGLE) ? count : MAX_SIZE_TRIANGLE ;
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106 pp[i].info.size = tri_size;
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107
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108 for (int j = 0; j < tri_size; j++) {
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109
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110 tmp_cont = pickup_float(tmp_cont, &(tri[j].normal1.x));
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111 tmp_cont = pickup_float(tmp_cont, &(tri[j].normal1.y));
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112 tmp_cont = pickup_float(tmp_cont, &(tri[j].normal1.z));
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113
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114 tmp_cont = pickup_float(tmp_cont, &(tri[j].normal2.x));
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115 tmp_cont = pickup_float(tmp_cont, &(tri[j].normal2.y));
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116 tmp_cont = pickup_float(tmp_cont, &(tri[j].normal2.z));
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117
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118 tmp_cont = pickup_float(tmp_cont, &(tri[j].normal3.x));
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119 tmp_cont = pickup_float(tmp_cont, &(tri[j].normal3.y));
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120 tmp_cont = pickup_float(tmp_cont, &(tri[j].normal3.z));
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121
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122
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123 if (tmp_cont == NULL)
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124 {
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125 cout << "Analyzing obj data failed coordinate\n";
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126 }
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127
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128 count -= 1;
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129
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130 }
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133 }
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134
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135 if (count != 0) {
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136 printf("miss pickup_normal size. diff size = %d\n", count);
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137 }
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138
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139 }
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140
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141 void Polygon::pickup_model(char *cont)
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142 {
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143 cont = pickup_float(cont,c_xyz);
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144 cont = pickup_float(cont,c_xyz+1);
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145 cont = pickup_float(cont,c_xyz+2);
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146
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147 if (cont == NULL)
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148 {
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149 cout << "Analyzing obj data failed model\n";
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150 }
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151 }
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152
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153 void Polygon::pickup_texture(char *cont)
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154 {
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155
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156 char *tmp_cont = cont;
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157 int count = size / 3;
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158
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159 for (int i = 0; i < pp_num; i++) {
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160
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161 TrianglePackPtr tri = pp[i].tri;
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162 // TrianglePack の size のチェック
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163 int tri_size = (count < MAX_SIZE_TRIANGLE) ? count : MAX_SIZE_TRIANGLE ;
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164 pp[i].info.size = tri_size;
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165
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166 for (int j = 0; j < tri_size; j++) {
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167
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168 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver1.tex_x));
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169 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver1.tex_y));
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170
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171 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver2.tex_x));
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172 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver2.tex_y));
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173
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174 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver3.tex_x));
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175 tmp_cont = pickup_float(tmp_cont, &(tri[j].ver3.tex_y));
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176
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177
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178 if (tmp_cont == NULL)
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179 {
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180 cout << "Analyzing obj data failed coordinate\n";
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181 }
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182
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183 count -= 1;
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184
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185 }
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186
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187
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188 }
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189
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190 if (count != 0) {
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191 printf("miss pickup_texture size. diff size = %d\n", count);
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192 }
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193
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194
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195
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196 }
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197
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198 char *get_pixel(int tx, int ty, SDL_Surface *texture_image)
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199 {
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200 return (char*)texture_image->pixels+(texture_image->format->BytesPerPixel*((texture_image->w)*ty+tx));
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201 }
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202
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203 unsigned my_ntohl(unsigned u) {
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204 // rr gg bb 00
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205 // rr
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206 // bb gg rr
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207 //unsigned u1 = ((u&0xff)<<24) +
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208 // ((u&0xff00)<<8) +
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209 // ((u&0xff0000)>>8) +
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210 // ((u&0xff000000)>>24);
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211 unsigned u1;
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212 unsigned b = (u&0xff000000)>>24;
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213 unsigned g = (u&0xff0000)>>16;
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214 unsigned r = (u&0xff00)>>8;
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215 u1 = r + (g<<8) + (b<<16);
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216 //printf("pixel %x->%x\n",u,u1);
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217 return u1;
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218 }
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219
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220 Uint32 Polygon::get_rgb(int tx, int ty)
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221 {
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222 SDL_PixelFormat *fmt;
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223 //Uint32 temp, pixel;
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224 Uint8 red, green, blue;
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225
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226 fmt = texture_info->texture_image->format;
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227
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228 if (tx<0) tx = 0;
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229 if (texture_info->texture_image->w-1< tx) tx = texture_info->texture_image->w-1 ;
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230 if (ty<0) ty = 0;
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231 if (texture_info->texture_image->h-1< ty) ty = texture_info->texture_image->h-1 ;
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232
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233
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234 //SDL_LockSurface(texture_image);
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235 char *p = get_pixel(tx,ty,texture_info->texture_image);
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236 blue = (Uint8) p[0];
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237 green = (Uint8) p[1];
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238 red = (Uint8) p[2];
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239
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240 //printf("tx = %d ty = %d ", tx,ty);
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241 //printf("pixel color => R: %d, G: %d, B: %d\n", red, green, blue);
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242
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243 SDL_PixelFormat *pf = NULL;
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244 //pf = viewer->screen->format;
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245
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246 //cout << SDL_MapRGB(pf, red, green, blue) << endl;
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247 return SDL_MapRGB(pf, red, green, blue);
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248 }