Mercurial > hg > Game > Cerium
annotate TaskManager/Test/test_render/polygon.cc @ 526:413667c70a1d draft
fix
| author | tkaito@henri.cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Thu, 22 Oct 2009 01:31:09 +0900 |
| parents | 0d2dc1869cbe |
| children |
| rev | line source |
|---|---|
| 109 | 1 #include <iostream> |
| 2 #include <SDL.h> | |
| 3 #include <SDL_opengl.h> | |
| 4 #include <SDL_image.h> | |
| 5 #include "polygon.h" | |
| 6 #include "xml.h" | |
| 7 #include "sys.h" | |
| 8 #include "triangle.h" | |
| 9 #include "vertex.h" | |
| 10 #include "Span.h" | |
| 11 #include "SpanC.h" | |
| 12 #include "scene_graph_pack.h" | |
| 13 #include "error.h" | |
| 120 | 14 #include "viewer_types.h" |
| 109 | 15 using namespace std; |
| 16 | |
| 17 //extern int decode(char *cont, char *file_name); | |
| 18 extern int decode(char *cont, FILE *outfile); | |
| 19 | |
| 20 | |
|
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21 Polygon::Polygon(void) |
| 109 | 22 { |
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23 xyz[0] = 0; |
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24 xyz[1] = 0; |
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25 xyz[2] = 0; |
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26 xyz[3] = 1; |
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27 c_xyz[0] = 0; |
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28 c_xyz[1] = 0; |
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29 c_xyz[2] = 0; |
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30 c_xyz[3] = 1; |
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31 angle[0] = 0; |
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32 angle[1] = 0; |
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33 angle[2] = 0; |
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34 angle[3] = 1; |
| 109 | 35 |
|
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36 for (int i = 0; i < 16; i++) { |
| 349 | 37 matrix[i] = 0; |
| 109 | 38 } |
| 39 } | |
| 40 | |
| 138 | 41 void |
| 42 Polygon::position_init(void) | |
| 43 { | |
| 44 xyz[0] = 0; | |
| 45 xyz[1] = 0; | |
| 46 xyz[2] = 0; | |
| 47 xyz[3] = 1; | |
| 48 c_xyz[0] = 0; | |
| 49 c_xyz[1] = 0; | |
| 50 c_xyz[2] = 0; | |
| 51 c_xyz[3] = 1; | |
| 52 angle[0] = 0; | |
| 53 angle[1] = 0; | |
| 54 angle[2] = 0; | |
| 55 angle[3] = 1; | |
| 56 | |
| 57 for (int i = 0; i < 16; i++) { | |
| 349 | 58 matrix[i] = 0; |
| 138 | 59 } |
| 60 } | |
| 61 | |
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62 #if 0 |
| 109 | 63 void Polygon::draw(SceneGraphPack *sgp) |
| 64 { | |
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65 float xyz1[4],xyz2[4],xyz3[4]; |
| 109 | 66 |
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67 /***SceneGraphUpdate***/ |
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68 //sgp_update(); |
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69 for (int i = 0; i < sgp->info.size; i++) { |
| 349 | 70 SceneGraphNode node = sgp->node[i]; |
| 109 | 71 |
| 349 | 72 /***draw***/ |
| 73 int n,nt; | |
| 74 for(n=0,nt=0; n<node.size*3; n+=9,nt+=6) { | |
| 75 xyz1[0] = node.vertex[n]; | |
| 76 xyz1[1] = node.vertex[n+1]; | |
| 77 xyz1[2] = node.vertex[n+2]*-1; | |
| 78 xyz1[3] = 1; | |
| 79 xyz2[0] = node.vertex[n+3]; | |
| 80 xyz2[1] = node.vertex[n+3+1]; | |
| 81 xyz2[2] = node.vertex[n+3+2]*-1; | |
| 82 xyz2[3] = 1; | |
| 83 xyz3[0] = node.vertex[n+6]; | |
| 84 xyz3[1] = node.vertex[n+6+1]; | |
| 85 xyz3[2] = node.vertex[n+6+2]*-1; | |
| 86 xyz3[3] = 1; | |
| 109 | 87 |
| 349 | 88 rotate(xyz1, node.translation); |
| 89 rotate(xyz2, node.translation); | |
| 90 rotate(xyz3, node.translation); | |
| 109 | 91 |
| 349 | 92 Vertex *ver1 = new Vertex(xyz1[0],xyz1[1],xyz1[2],node.texture[nt],node.texture[nt+1]); |
| 93 Vertex *ver2 = new Vertex(xyz2[0],xyz2[1],xyz2[2],node.texture[nt+2],node.texture[nt+2+1]); | |
| 94 Vertex *ver3 = new Vertex(xyz3[0],xyz3[1],xyz3[2],node.texture[nt+4],node.texture[nt+4+1]); | |
| 109 | 95 |
| 349 | 96 Triangle *tri = new Triangle(ver1,ver2,ver3); |
| 97 Span_c *span = new Span_c(); | |
| 98 span->viewer = viewer; | |
| 99 span->p = this; | |
| 100 span->create_span(tri,texture_image); | |
| 101 delete ver1; | |
| 102 delete ver2; | |
| 103 delete ver3; | |
| 104 delete tri; | |
| 105 delete span; | |
| 106 } | |
| 109 | 107 } |
| 108 } | |
| 109 | |
| 110 | |
| 111 void Polygon::draw(PolygonPack *pp) | |
| 112 { | |
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113 for(int n=0; n<pp->info.size; n++) |
| 109 | 114 { |
| 349 | 115 Vertex *ver1 = new Vertex(pp->tri[n].ver1.x,pp->tri[n].ver1.y,pp->tri[n].ver1.z,pp->tri[n].ver1.tex_x,pp->tri[n].ver1.tex_y); |
| 116 Vertex *ver2 = new Vertex(pp->tri[n].ver2.x,pp->tri[n].ver2.y,pp->tri[n].ver2.z,pp->tri[n].ver2.tex_x,pp->tri[n].ver2.tex_y); | |
| 117 Vertex *ver3 = new Vertex(pp->tri[n].ver3.x,pp->tri[n].ver3.y,pp->tri[n].ver3.z,pp->tri[n].ver3.tex_x,pp->tri[n].ver3.tex_y); | |
| 109 | 118 |
| 349 | 119 Triangle *tri = new Triangle(ver1,ver2,ver3); |
| 120 Span_c *span = new Span_c(); | |
| 121 span->viewer = viewer; | |
| 122 span->p = this; | |
| 123 span->create_span(tri,texture_image); | |
| 124 delete ver1; | |
| 125 delete ver2; | |
| 126 delete ver3; | |
| 127 delete tri; | |
| 128 delete span; | |
| 109 | 129 } |
| 130 } | |
| 131 | |
| 132 void Polygon::draw(SpanPack *sp) | |
| 133 { | |
| 134 Span *span; | |
| 135 | |
| 136 for (int n = 0; n < sp->info.size; n++) { | |
| 349 | 137 span = &sp->span[n]; |
| 109 | 138 |
| 349 | 139 //int x = span->x; |
| 140 //int y = span->y; | |
| 141 float z = span->start_z; | |
| 142 int end = span->length_x; | |
| 143 float zpos = span->end_z; | |
| 144 float tex1 = span->tex_x1; | |
| 145 float tex2 = span->tex_x2; | |
| 146 float tey1 = span->tex_y1; | |
| 147 float tey2 = span->tex_y2; | |
| 148 Uint32 rgb; | |
| 149 int tex_xpos; | |
| 150 int tex_ypos; | |
| 151 int tex_zpos; | |
| 152 float tex_x, tex_y, tex_z; | |
| 109 | 153 |
| 349 | 154 if (end == 1) { |
| 155 tex_xpos = (int)((span->tex_height-1) * tex1); | |
| 156 tex_ypos = (int)((span->tex_width-1) * tey1); | |
| 157 tex_zpos = (int)z; | |
| 158 rgb = get_rgb(tex_xpos, tex_ypos); | |
| 159 //viewer->write_pixel(x, y, zpos, rgb); | |
| 160 } else { | |
| 161 for (int j = 0; j < end; j++) { | |
| 162 tex_x = tex1*(end-1-j)/(end-1) + tex2*j/(end-1); | |
| 163 tex_y = tey1*(end-1-j)/(end-1) + tey2*j/(end-1); | |
| 164 tex_z = z*(end-1-j)/(end-1) + zpos*j/(end-1); | |
| 165 if (tex_x > 1) tex_x = 1; | |
| 166 if (tex_y > 1) tex_y = 1; | |
| 167 tex_xpos = (int)((span->tex_height-1) * tex_x); | |
| 168 tex_ypos = (int)((span->tex_width-1) * tex_y); | |
| 169 rgb = get_rgb(tex_xpos,tex_ypos); | |
| 170 //viewer->write_pixel(j + x, y, tex_z, rgb); | |
| 171 } | |
| 172 } | |
| 109 | 173 } |
| 174 } | |
| 175 | |
|
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176 #endif |
| 109 | 177 |
| 178 void Polygon::pickup_coordinate(char *cont) | |
| 179 { | |
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180 for(int n=0; n<size*3; n+=3) |
| 109 | 181 { |
| 349 | 182 cont = pickup_float(cont, coord_xyz+n); |
| 183 cont = pickup_float(cont, coord_xyz+n+1); | |
| 184 cont = pickup_float(cont, coord_xyz+n+2); | |
| 185 | |
| 186 if (cont == NULL) | |
| 187 { | |
| 188 cout << "Analyzing obj data failed coordinate\n"; | |
| 189 } | |
| 109 | 190 } |
| 191 } | |
| 192 | |
| 193 void Polygon::pickup_normal(char *cont) | |
| 194 { | |
|
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195 for (int n = 0; n<size*3; n += 3) |
| 109 | 196 { |
| 349 | 197 cont = pickup_float(cont, normal+n); |
| 198 cont = pickup_float(cont, normal+n+1); | |
| 199 cont = pickup_float(cont, normal+n+2); | |
| 200 | |
| 201 if (cont == NULL) | |
| 202 { | |
| 203 cout << "Analyzing obj data failed normal\n"; | |
| 204 } | |
| 109 | 205 } |
| 206 } | |
| 207 | |
| 208 void Polygon::pickup_model(char *cont) | |
| 209 { | |
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210 cont = pickup_float(cont,c_xyz); |
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211 cont = pickup_float(cont,c_xyz+1); |
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212 cont = pickup_float(cont,c_xyz+2); |
| 349 | 213 |
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214 if (cont == NULL) |
| 109 | 215 { |
| 349 | 216 cout << "Analyzing obj data failed model\n"; |
| 109 | 217 } |
| 218 } | |
| 219 | |
| 220 void Polygon::pickup_texture(char *cont) | |
| 221 { | |
|
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222 for (int n = 0; n < size*3; n += 3) |
| 109 | 223 { |
| 349 | 224 cont = pickup_float(cont, coord_tex+n); |
| 225 cont = pickup_float(cont, coord_tex+n+1); | |
| 226 coord_tex[n+2] = 1.0; | |
| 227 | |
| 228 if (cont == NULL) | |
| 229 { | |
| 230 cout << "Analyzing obj data failed texture\n"; | |
| 231 } | |
| 109 | 232 } |
| 233 } | |
| 234 | |
| 235 char *get_pixel(int tx, int ty, SDL_Surface *texture_image) | |
| 236 { | |
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237 return (char*)texture_image->pixels+(texture_image->format->BytesPerPixel*((texture_image->w)*ty+tx)); |
| 109 | 238 } |
| 239 | |
| 240 unsigned my_ntohl(unsigned u) { | |
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241 // rr gg bb 00 |
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242 // rr |
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243 // bb gg rr |
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244 //unsigned u1 = ((u&0xff)<<24) + |
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245 // ((u&0xff00)<<8) + |
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246 // ((u&0xff0000)>>8) + |
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247 // ((u&0xff000000)>>24); |
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248 unsigned u1; |
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249 unsigned b = (u&0xff000000)>>24; |
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250 unsigned g = (u&0xff0000)>>16; |
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251 unsigned r = (u&0xff00)>>8; |
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252 u1 = r + (g<<8) + (b<<16); |
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253 //printf("pixel %x->%x\n",u,u1); |
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254 return u1; |
| 109 | 255 } |
| 256 | |
| 257 Uint32 Polygon::get_rgb(int tx, int ty) | |
| 258 { | |
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259 SDL_PixelFormat *fmt; |
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260 //Uint32 temp, pixel; |
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261 Uint8 red, green, blue; |
| 349 | 262 |
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263 fmt = texture_image->format; |
| 109 | 264 |
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265 if (tx<0) tx = 0; |
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266 if (texture_image->w-1< tx) tx = texture_image->w-1 ; |
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267 if (ty<0) ty = 0; |
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SceneGraphPack の代わりに、今は SceneGraph をそのまま使う様に設定。
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268 if (texture_image->h-1< ty) ty = texture_image->h-1 ; |
| 109 | 269 |
| 270 | |
| 271 | |
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272 //SDL_LockSurface(texture_image); |
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273 char *p = get_pixel(tx,ty,texture_image); |
| 109 | 274 #if 0 |
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275 pixel = my_ntohl(*(Uint32*)p); |
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276 //printf("pixel = %d\n", pixel); |
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277 //printf("pixel %x bpp = %d ",p, fmt->BytesPerPixel); |
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278 //SDL_UnlockSurface(texture_image); |
| 349 | 279 |
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280 temp = pixel&fmt->Rmask; |
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281 temp = temp>>fmt->Rshift; |
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282 temp = temp<<fmt->Rloss; |
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283 red = (Uint8)temp; |
| 349 | 284 |
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285 temp = pixel&fmt->Gmask; |
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286 temp = temp>>fmt->Gshift; |
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287 temp = temp<<fmt->Gloss; |
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SceneGraphPack の代わりに、今は SceneGraph をそのまま使う様に設定。
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288 green = (Uint8)temp; |
| 349 | 289 |
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290 temp = pixel&fmt->Bmask; |
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291 temp = temp>>fmt->Bshift; |
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292 temp = temp<<fmt->Bloss; |
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293 blue = (Uint8)temp; |
| 109 | 294 #endif |
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295 blue = (Uint8) p[0]; |
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296 green = (Uint8) p[1]; |
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297 red = (Uint8) p[2]; |
| 349 | 298 |
| 299 //printf("tx = %d ty = %d ", tx,ty); | |
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300 //printf("pixel color => R: %d, G: %d, B: %d\n", red, green, blue); |
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123
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delete scene_graph->child (instead use "children")
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301 |
| 238 | 302 SDL_PixelFormat *pf = NULL; |
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303 //pf = viewer->screen->format; |
| 109 | 304 |
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305 //cout << SDL_MapRGB(pf, red, green, blue) << endl; |
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306 return SDL_MapRGB(pf, red, green, blue); |
| 109 | 307 } |