4 //cvar_t gl_transform = {0, "gl_transform", "1"};
5 cvar_t r_quickmodels = {0, "r_quickmodels", "1"};
12 // LordHavoc: vertex arrays
15 float *aliasvertcolorbuf;
16 float *aliasvert; // this may point at aliasvertbuf or at vertex arrays in the mesh backend
17 float *aliasvertcolor; // this may point at aliasvertcolorbuf or at vertex arrays in the mesh backend
19 float *aliasvertcolor2;
22 zymbonematrix *zymbonepose;
24 rmeshinfo_t aliasmeshinfo;
27 void GL_SetupModelTransform (vec3_t origin, vec3_t angles, vec_t scale)
29 qglTranslatef (origin[0], origin[1], origin[2]);
32 qglScalef (scale, scale, scale);
34 qglRotatef (angles[1], 0, 0, 1);
36 qglRotatef (-angles[0], 0, 1, 0);
38 qglRotatef (angles[2], 1, 0, 0);
43 rtexturepool_t *chrometexturepool;
44 rtexture_t *chrometexture;
46 // currently unused reflection effect texture
47 void makechrometexture(void)
53 fractalnoise(noise, 64, 8);
55 // convert to RGBA data
56 for (i = 0;i < 64*64;i++)
58 data[i][0] = data[i][1] = data[i][2] = noise[i];
62 chrometexture = R_LoadTexture (chrometexturepool, "chrometexture", 64, 64, &data[0][0], TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_PRECACHE);
66 mempool_t *gl_models_mempool;
68 void gl_models_start(void)
70 // allocate vertex processing arrays
71 gl_models_mempool = Mem_AllocPool("GL_Models");
72 aliasvert = aliasvertbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
73 aliasvertcolor = aliasvertcolorbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
74 aliasvertnorm = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][3]));
75 aliasvertcolor2 = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4])); // used temporarily for tinted coloring
76 zymbonepose = Mem_Alloc(gl_models_mempool, sizeof(zymbonematrix[256]));
77 aliasvertusage = Mem_Alloc(gl_models_mempool, sizeof(int[MD2MAX_VERTS]));
78 //chrometexturepool = R_AllocTexturePool();
79 //makechrometexture();
82 void gl_models_shutdown(void)
84 //R_FreeTexturePool(&chrometexturepool);
85 Mem_FreePool(&gl_models_mempool);
88 void gl_models_newmap(void)
92 void GL_Models_Init(void)
94 // Cvar_RegisterVariable(&gl_transform);
95 Cvar_RegisterVariable(&r_quickmodels);
97 R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
100 void R_AliasTransformVerts(int vertcount)
106 // avn = aliasvertnorm;
107 while (vertcount >= 4)
109 VectorCopy(av, point);softwaretransform(point, av);av += 4;
110 VectorCopy(av, point);softwaretransform(point, av);av += 4;
111 VectorCopy(av, point);softwaretransform(point, av);av += 4;
112 VectorCopy(av, point);softwaretransform(point, av);av += 4;
113 // VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
114 // VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
115 // VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
116 // VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
121 VectorCopy(av, point);softwaretransform(point, av);av += 4;
122 // VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
127 void R_AliasLerpVerts(int vertcount,
128 float lerp1, trivertx_t *verts1, vec3_t fscale1, vec3_t translate1,
129 float lerp2, trivertx_t *verts2, vec3_t fscale2, vec3_t translate2,
130 float lerp3, trivertx_t *verts3, vec3_t fscale3, vec3_t translate3,
131 float lerp4, trivertx_t *verts4, vec3_t fscale4, vec3_t translate4)
134 vec3_t scale1, scale2, scale3, scale4, translate;
135 float *n1, *n2, *n3, *n4;
139 VectorScale(fscale1, lerp1, scale1);
142 VectorScale(fscale2, lerp2, scale2);
145 VectorScale(fscale3, lerp3, scale3);
148 VectorScale(fscale4, lerp4, scale4);
149 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3 + translate4[0] * lerp4;
150 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3 + translate4[1] * lerp4;
151 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3 + translate4[2] * lerp4;
153 for (i = 0;i < vertcount;i++)
155 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + verts4->v[0] * scale4[0] + translate[0];
156 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + verts4->v[1] * scale4[1] + translate[1];
157 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + verts4->v[2] * scale4[2] + translate[2];
158 n1 = m_bytenormals[verts1->lightnormalindex];
159 n2 = m_bytenormals[verts2->lightnormalindex];
160 n3 = m_bytenormals[verts3->lightnormalindex];
161 n4 = m_bytenormals[verts4->lightnormalindex];
162 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3 + n4[0] * lerp4;
163 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3 + n4[1] * lerp4;
164 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3 + n4[2] * lerp4;
167 verts1++;verts2++;verts3++;verts4++;
172 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3;
173 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3;
174 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3;
176 for (i = 0;i < vertcount;i++)
178 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + translate[0];
179 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + translate[1];
180 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + translate[2];
181 n1 = m_bytenormals[verts1->lightnormalindex];
182 n2 = m_bytenormals[verts2->lightnormalindex];
183 n3 = m_bytenormals[verts3->lightnormalindex];
184 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3;
185 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3;
186 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3;
189 verts1++;verts2++;verts3++;
195 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2;
196 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2;
197 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2;
199 for (i = 0;i < vertcount;i++)
201 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + translate[0];
202 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + translate[1];
203 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + translate[2];
204 n1 = m_bytenormals[verts1->lightnormalindex];
205 n2 = m_bytenormals[verts2->lightnormalindex];
206 avn[0] = n1[0] * lerp1 + n2[0] * lerp2;
207 avn[1] = n1[1] * lerp1 + n2[1] * lerp2;
208 avn[2] = n1[2] * lerp1 + n2[2] * lerp2;
217 translate[0] = translate1[0] * lerp1;
218 translate[1] = translate1[1] * lerp1;
219 translate[2] = translate1[2] * lerp1;
223 // general but almost never used case
224 for (i = 0;i < vertcount;i++)
226 av[0] = verts1->v[0] * scale1[0] + translate[0];
227 av[1] = verts1->v[1] * scale1[1] + translate[1];
228 av[2] = verts1->v[2] * scale1[2] + translate[2];
229 n1 = m_bytenormals[verts1->lightnormalindex];
230 avn[0] = n1[0] * lerp1;
231 avn[1] = n1[1] * lerp1;
232 avn[2] = n1[2] * lerp1;
241 for (i = 0;i < vertcount;i++)
243 av[0] = verts1->v[0] * scale1[0] + translate[0];
244 av[1] = verts1->v[1] * scale1[1] + translate[1];
245 av[2] = verts1->v[2] * scale1[2] + translate[2];
246 VectorCopy(m_bytenormals[verts1->lightnormalindex], avn);
255 void R_DrawModelMesh(rtexture_t *skin, float *colors, float cred, float cgreen, float cblue)
257 aliasmeshinfo.tex[0] = R_GetTexture(skin);
258 aliasmeshinfo.color = colors;
261 aliasmeshinfo.cr = cred;
262 aliasmeshinfo.cg = cgreen;
263 aliasmeshinfo.cb = cblue;
264 aliasmeshinfo.ca = currentrenderentity->alpha;
267 c_alias_polys += aliasmeshinfo.numtriangles;
268 R_Mesh_Draw(&aliasmeshinfo);
270 // leave it in a state for additional passes
271 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
272 aliasmeshinfo.blendfunc2 = GL_ONE;
275 void R_TintModel(float *in, float *out, int verts, float r, float g, float b)
278 for (i = 0;i < verts;i++)
289 skinframe_t *R_FetchSkinFrame(void)
291 model_t *model = currentrenderentity->model;
292 if (model->skinscenes[currentrenderentity->skinnum].framecount > 1)
293 return &model->skinframes[model->skinscenes[currentrenderentity->skinnum].firstframe + (int) (cl.time * 10) % model->skinscenes[currentrenderentity->skinnum].framecount];
295 return &model->skinframes[model->skinscenes[currentrenderentity->skinnum].firstframe];
298 void R_SetupMDLMD2Frames(float colorr, float colorg, float colorb)
300 md2frame_t *frame1, *frame2, *frame3, *frame4;
301 trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
303 model = currentrenderentity->model;
305 frame1 = &model->mdlmd2data_frames[currentrenderentity->frameblend[0].frame];
306 frame2 = &model->mdlmd2data_frames[currentrenderentity->frameblend[1].frame];
307 frame3 = &model->mdlmd2data_frames[currentrenderentity->frameblend[2].frame];
308 frame4 = &model->mdlmd2data_frames[currentrenderentity->frameblend[3].frame];
309 frame1verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[0].frame * model->numverts];
310 frame2verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[1].frame * model->numverts];
311 frame3verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[2].frame * model->numverts];
312 frame4verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[3].frame * model->numverts];
313 R_AliasLerpVerts(model->numverts,
314 currentrenderentity->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate,
315 currentrenderentity->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate,
316 currentrenderentity->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate,
317 currentrenderentity->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate);
319 R_LightModel(model->numverts, colorr, colorg, colorb, false);
321 R_AliasTransformVerts(model->numverts);
324 void R_DrawQ1Q2AliasModel (float fog)
327 skinframe_t *skinframe;
329 model = currentrenderentity->model;
331 skinframe = R_FetchSkinFrame();
332 if (fog && !(currentrenderentity->effects & EF_ADDITIVE))
334 R_SetupMDLMD2Frames(1 - fog, 1 - fog, 1 - fog);
336 memset(&aliasmeshinfo, 0, sizeof(aliasmeshinfo));
338 aliasmeshinfo.vertex = aliasvert;
339 aliasmeshinfo.vertexstep = sizeof(float[4]);
340 aliasmeshinfo.numverts = model->numverts;
341 aliasmeshinfo.numtriangles = model->numtris;
342 aliasmeshinfo.index = model->mdlmd2data_indices;
343 aliasmeshinfo.colorstep = sizeof(float[4]);
344 aliasmeshinfo.texcoords[0] = model->mdlmd2data_texcoords;
345 aliasmeshinfo.texcoordstep[0] = sizeof(float[2]);
347 if (currentrenderentity->effects & EF_ADDITIVE)
349 aliasmeshinfo.transparent = true;
350 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
351 aliasmeshinfo.blendfunc2 = GL_ONE;
353 else if (currentrenderentity->alpha != 1.0 || skinframe->fog != NULL)
355 aliasmeshinfo.transparent = true;
356 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
357 aliasmeshinfo.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
361 aliasmeshinfo.transparent = false;
362 aliasmeshinfo.blendfunc1 = GL_ONE;
363 aliasmeshinfo.blendfunc2 = GL_ZERO;
366 if (skinframe->base || skinframe->pants || skinframe->shirt || skinframe->glow || skinframe->merged)
368 if (currentrenderentity->colormap >= 0 && (skinframe->base || skinframe->pants || skinframe->shirt))
373 R_DrawModelMesh(skinframe->base, aliasvertcolor, 0, 0, 0);
374 if (skinframe->pants)
376 c = (currentrenderentity->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
377 color = (qbyte *) (&d_8to24table[c]);
378 if (c >= 224) // fullbright ranges
379 R_DrawModelMesh(skinframe->pants, NULL, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
382 R_TintModel(aliasvertcolor, aliasvertcolor2, model->numverts, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
383 R_DrawModelMesh(skinframe->pants, aliasvertcolor2, 0, 0, 0);
386 if (skinframe->shirt)
388 c = currentrenderentity->colormap & 0xF0 ;c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
389 color = (qbyte *) (&d_8to24table[c]);
390 if (c >= 224) // fullbright ranges
391 R_DrawModelMesh(skinframe->shirt, NULL, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
394 R_TintModel(aliasvertcolor, aliasvertcolor2, model->numverts, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
395 R_DrawModelMesh(skinframe->shirt, aliasvertcolor2, 0, 0, 0);
401 if (skinframe->merged)
402 R_DrawModelMesh(skinframe->merged, aliasvertcolor, 0, 0, 0);
405 if (skinframe->base) R_DrawModelMesh(skinframe->base, aliasvertcolor, 0, 0, 0);
406 if (skinframe->pants) R_DrawModelMesh(skinframe->pants, aliasvertcolor, 0, 0, 0);
407 if (skinframe->shirt) R_DrawModelMesh(skinframe->shirt, aliasvertcolor, 0, 0, 0);
410 if (skinframe->glow) R_DrawModelMesh(skinframe->glow, NULL, 1 - fog, 1 - fog, 1 - fog);
413 R_DrawModelMesh(0, NULL, 1 - fog, 1 - fog, 1 - fog);
415 aliasmeshinfo.tex[0] = R_GetTexture(skinframe->fog);
416 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
417 aliasmeshinfo.blendfunc2 = GL_ONE;
418 aliasmeshinfo.color = NULL;
420 aliasmeshinfo.cr = fogcolor[0];
421 aliasmeshinfo.cg = fogcolor[1];
422 aliasmeshinfo.cb = fogcolor[2];
423 aliasmeshinfo.ca = currentrenderentity->alpha * fog;
425 c_alias_polys += aliasmeshinfo.numtriangles;
426 R_Mesh_Draw(&aliasmeshinfo);
428 else if (currentrenderentity->colormap >= 0 || !skinframe->merged || skinframe->glow || !r_quickmodels.integer)
430 R_SetupMDLMD2Frames(1 - fog, 1 - fog, 1 - fog);
432 memset(&aliasmeshinfo, 0, sizeof(aliasmeshinfo));
434 aliasmeshinfo.vertex = aliasvert;
435 aliasmeshinfo.vertexstep = sizeof(float[4]);
436 aliasmeshinfo.numverts = model->numverts;
437 aliasmeshinfo.numtriangles = model->numtris;
438 aliasmeshinfo.index = model->mdlmd2data_indices;
439 aliasmeshinfo.colorstep = sizeof(float[4]);
440 aliasmeshinfo.texcoords[0] = model->mdlmd2data_texcoords;
441 aliasmeshinfo.texcoordstep[0] = sizeof(float[2]);
443 if (currentrenderentity->effects & EF_ADDITIVE)
445 aliasmeshinfo.transparent = true;
446 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
447 aliasmeshinfo.blendfunc2 = GL_ONE;
449 else if (currentrenderentity->alpha != 1.0 || skinframe->fog != NULL)
451 aliasmeshinfo.transparent = true;
452 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
453 aliasmeshinfo.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
457 aliasmeshinfo.transparent = false;
458 aliasmeshinfo.blendfunc1 = GL_ONE;
459 aliasmeshinfo.blendfunc2 = GL_ZERO;
462 if (skinframe->base || skinframe->pants || skinframe->shirt || skinframe->glow || skinframe->merged)
464 if (currentrenderentity->colormap >= 0 && (skinframe->base || skinframe->pants || skinframe->shirt))
469 R_DrawModelMesh(skinframe->base, aliasvertcolor, 0, 0, 0);
470 if (skinframe->pants)
472 c = (currentrenderentity->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
473 color = (qbyte *) (&d_8to24table[c]);
474 if (c >= 224) // fullbright ranges
475 R_DrawModelMesh(skinframe->pants, NULL, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
478 R_TintModel(aliasvertcolor, aliasvertcolor2, model->numverts, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
479 R_DrawModelMesh(skinframe->pants, aliasvertcolor2, 0, 0, 0);
482 if (skinframe->shirt)
484 c = currentrenderentity->colormap & 0xF0 ;c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
485 color = (qbyte *) (&d_8to24table[c]);
486 if (c >= 224) // fullbright ranges
487 R_DrawModelMesh(skinframe->shirt, NULL, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
490 R_TintModel(aliasvertcolor, aliasvertcolor2, model->numverts, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
491 R_DrawModelMesh(skinframe->shirt, aliasvertcolor2, 0, 0, 0);
497 if (skinframe->merged)
498 R_DrawModelMesh(skinframe->merged, aliasvertcolor, 0, 0, 0);
501 if (skinframe->base) R_DrawModelMesh(skinframe->base, aliasvertcolor, 0, 0, 0);
502 if (skinframe->pants) R_DrawModelMesh(skinframe->pants, aliasvertcolor, 0, 0, 0);
503 if (skinframe->shirt) R_DrawModelMesh(skinframe->shirt, aliasvertcolor, 0, 0, 0);
506 if (skinframe->glow) R_DrawModelMesh(skinframe->glow, NULL, 1 - fog, 1 - fog, 1 - fog);
509 R_DrawModelMesh(0, NULL, 1 - fog, 1 - fog, 1 - fog);
513 rmeshbufferinfo_t bufmesh;
514 memset(&bufmesh, 0, sizeof(bufmesh));
515 if (currentrenderentity->effects & EF_ADDITIVE)
517 bufmesh.transparent = true;
518 bufmesh.blendfunc1 = GL_SRC_ALPHA;
519 bufmesh.blendfunc2 = GL_ONE;
521 else if (currentrenderentity->alpha != 1.0 || skinframe->fog != NULL)
523 bufmesh.transparent = true;
524 bufmesh.blendfunc1 = GL_SRC_ALPHA;
525 bufmesh.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
529 bufmesh.transparent = false;
530 bufmesh.blendfunc1 = GL_ONE;
531 bufmesh.blendfunc2 = GL_ZERO;
533 bufmesh.numtriangles = model->numtris;
534 bufmesh.numverts = model->numverts;
535 bufmesh.tex[0] = R_GetTexture(skinframe->merged);
537 R_Mesh_Draw_GetBuffer(&bufmesh);
539 aliasvert = bufmesh.vertex;
540 aliasvertcolor = bufmesh.color;
541 memcpy(bufmesh.index, model->mdlmd2data_indices, bufmesh.numtriangles * sizeof(int[3]));
542 memcpy(bufmesh.texcoords[0], model->mdlmd2data_texcoords, bufmesh.numverts * sizeof(float[2]));
544 fog = bufmesh.colorscale * (1 - fog);
545 R_SetupMDLMD2Frames(fog, fog, fog);
547 aliasvert = aliasvertbuf;
548 aliasvertcolor = aliasvertcolorbuf;
552 int ZymoticLerpBones(int count, zymbonematrix *bonebase, frameblend_t *blend, zymbone_t *bone)
555 float lerp1, lerp2, lerp3, lerp4;
556 zymbonematrix *out, rootmatrix, m, *bone1, *bone2, *bone3, *bone4;
571 R_ConcatTransforms(&softwaretransform_matrix[0], &m.m[0], &rootmatrix.m[0]);
574 // LordHavoc: combine transform from zym coordinate space to quake coordinate space with model to world transform matrix
575 rootmatrix.m[0][0] = softwaretransform_matrix[0][1];
576 rootmatrix.m[0][1] = -softwaretransform_matrix[0][0];
577 rootmatrix.m[0][2] = softwaretransform_matrix[0][2];
578 rootmatrix.m[0][3] = softwaretransform_matrix[0][3];
579 rootmatrix.m[1][0] = softwaretransform_matrix[1][1];
580 rootmatrix.m[1][1] = -softwaretransform_matrix[1][0];
581 rootmatrix.m[1][2] = softwaretransform_matrix[1][2];
582 rootmatrix.m[1][3] = softwaretransform_matrix[1][3];
583 rootmatrix.m[2][0] = softwaretransform_matrix[2][1];
584 rootmatrix.m[2][1] = -softwaretransform_matrix[2][0];
585 rootmatrix.m[2][2] = softwaretransform_matrix[2][2];
586 rootmatrix.m[2][3] = softwaretransform_matrix[2][3];
588 bone1 = bonebase + blend[0].frame * count;
589 lerp1 = blend[0].lerp;
592 bone2 = bonebase + blend[1].frame * count;
593 lerp2 = blend[1].lerp;
596 bone3 = bonebase + blend[2].frame * count;
597 lerp3 = blend[2].lerp;
601 bone4 = bonebase + blend[3].frame * count;
602 lerp4 = blend[3].lerp;
603 for (i = 0, out = zymbonepose;i < count;i++, out++)
605 // interpolate matrices
606 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
607 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
608 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
609 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
610 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
611 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
612 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
613 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
614 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
615 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
616 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
617 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
618 if (bone->parent >= 0)
619 R_ConcatTransforms(&zymbonepose[bone->parent].m[0], &m.m[0], &out->m[0]);
621 R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[0]);
632 for (i = 0, out = zymbonepose;i < count;i++, out++)
634 // interpolate matrices
635 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
636 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
637 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
638 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
639 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
640 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
641 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
642 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
643 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
644 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
645 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
646 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
647 if (bone->parent >= 0)
648 R_ConcatTransforms(&zymbonepose[bone->parent].m[0], &m.m[0], &out->m[0]);
650 R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[0]);
661 for (i = 0, out = zymbonepose;i < count;i++, out++)
663 // interpolate matrices
664 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
665 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
666 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
667 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
668 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
669 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
670 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
671 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
672 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
673 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
674 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
675 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
676 if (bone->parent >= 0)
677 R_ConcatTransforms(&zymbonepose[bone->parent].m[0], &m.m[0], &out->m[0]);
679 R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[0]);
692 for (i = 0, out = zymbonepose;i < count;i++, out++)
694 // interpolate matrices
695 m.m[0][0] = bone1->m[0][0] * lerp1;
696 m.m[0][1] = bone1->m[0][1] * lerp1;
697 m.m[0][2] = bone1->m[0][2] * lerp1;
698 m.m[0][3] = bone1->m[0][3] * lerp1;
699 m.m[1][0] = bone1->m[1][0] * lerp1;
700 m.m[1][1] = bone1->m[1][1] * lerp1;
701 m.m[1][2] = bone1->m[1][2] * lerp1;
702 m.m[1][3] = bone1->m[1][3] * lerp1;
703 m.m[2][0] = bone1->m[2][0] * lerp1;
704 m.m[2][1] = bone1->m[2][1] * lerp1;
705 m.m[2][2] = bone1->m[2][2] * lerp1;
706 m.m[2][3] = bone1->m[2][3] * lerp1;
707 if (bone->parent >= 0)
708 R_ConcatTransforms(&zymbonepose[bone->parent].m[0], &m.m[0], &out->m[0]);
710 R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[0]);
718 for (i = 0, out = zymbonepose;i < count;i++, out++)
720 if (bone->parent >= 0)
721 R_ConcatTransforms(&zymbonepose[bone->parent].m[0], &bone1->m[0], &out->m[0]);
723 R_ConcatTransforms(&rootmatrix.m[0], &bone1->m[0], &out->m[0]);
732 void ZymoticTransformVerts(int vertcount, int *bonecounts, zymvertex_t *vert)
735 float *out = aliasvert;
736 zymbonematrix *matrix;
740 // FIXME: validate bonecounts at load time (must be >= 1)
741 // FIXME: need 4th component in origin, for how much of the translate to blend in
744 matrix = &zymbonepose[vert->bonenum];
745 out[0] = vert->origin[0] * matrix->m[0][0] + vert->origin[1] * matrix->m[0][1] + vert->origin[2] * matrix->m[0][2] + matrix->m[0][3];
746 out[1] = vert->origin[0] * matrix->m[1][0] + vert->origin[1] * matrix->m[1][1] + vert->origin[2] * matrix->m[1][2] + matrix->m[1][3];
747 out[2] = vert->origin[0] * matrix->m[2][0] + vert->origin[1] * matrix->m[2][1] + vert->origin[2] * matrix->m[2][2] + matrix->m[2][3];
755 matrix = &zymbonepose[vert->bonenum];
756 out[0] += vert->origin[0] * matrix->m[0][0] + vert->origin[1] * matrix->m[0][1] + vert->origin[2] * matrix->m[0][2] + matrix->m[0][3];
757 out[1] += vert->origin[0] * matrix->m[1][0] + vert->origin[1] * matrix->m[1][1] + vert->origin[2] * matrix->m[1][2] + matrix->m[1][3];
758 out[2] += vert->origin[0] * matrix->m[2][0] + vert->origin[1] * matrix->m[2][1] + vert->origin[2] * matrix->m[2][2] + matrix->m[2][3];
766 void ZymoticCalcNormals(int vertcount, int shadercount, int *renderlist)
769 float *out, v1[3], v2[3], normal[3], s;
772 memset(aliasvertnorm, 0, sizeof(float) * vertcount * 3);
773 memset(aliasvertusage, 0, sizeof(int) * vertcount);
774 // parse render list and accumulate surface normals
783 v1[0] = aliasvert[a+0] - aliasvert[b+0];
784 v1[1] = aliasvert[a+1] - aliasvert[b+1];
785 v1[2] = aliasvert[a+2] - aliasvert[b+2];
786 v2[0] = aliasvert[c+0] - aliasvert[b+0];
787 v2[1] = aliasvert[c+1] - aliasvert[b+1];
788 v2[2] = aliasvert[c+2] - aliasvert[b+2];
789 CrossProduct(v1, v2, normal);
790 VectorNormalizeFast(normal);
791 // add surface normal to vertices
792 a = renderlist[0] * 3;
793 aliasvertnorm[a+0] += normal[0];
794 aliasvertnorm[a+1] += normal[1];
795 aliasvertnorm[a+2] += normal[2];
796 aliasvertusage[renderlist[0]]++;
797 a = renderlist[1] * 3;
798 aliasvertnorm[a+0] += normal[0];
799 aliasvertnorm[a+1] += normal[1];
800 aliasvertnorm[a+2] += normal[2];
801 aliasvertusage[renderlist[1]]++;
802 a = renderlist[2] * 3;
803 aliasvertnorm[a+0] += normal[0];
804 aliasvertnorm[a+1] += normal[1];
805 aliasvertnorm[a+2] += normal[2];
806 aliasvertusage[renderlist[2]]++;
810 // FIXME: precalc this
811 // average surface normals
828 void R_DrawZymoticModelMesh(zymtype1header_t *m)
831 rtexture_t **texture;
833 // FIXME: do better fog
834 renderlist = (int *)(m->lump_render.start + (int) m);
835 texture = (rtexture_t **)(m->lump_shaders.start + (int) m);
837 aliasmeshinfo.vertex = aliasvert;
838 aliasmeshinfo.vertexstep = sizeof(float[4]);
839 aliasmeshinfo.color = aliasvertcolor;
840 aliasmeshinfo.colorstep = sizeof(float[4]);
841 aliasmeshinfo.texcoords[0] = (float *)(m->lump_texcoords.start + (int) m);
842 aliasmeshinfo.texcoordstep[0] = sizeof(float[2]);
844 for (i = 0;i < m->numshaders;i++)
846 aliasmeshinfo.tex[0] = R_GetTexture(texture[i]);
847 if (currentrenderentity->effects & EF_ADDITIVE)
849 aliasmeshinfo.transparent = true;
850 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
851 aliasmeshinfo.blendfunc2 = GL_ONE;
853 else if (currentrenderentity->alpha != 1.0 || R_TextureHasAlpha(texture[i]))
855 aliasmeshinfo.transparent = true;
856 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
857 aliasmeshinfo.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
861 aliasmeshinfo.transparent = false;
862 aliasmeshinfo.blendfunc1 = GL_ONE;
863 aliasmeshinfo.blendfunc2 = GL_ZERO;
865 aliasmeshinfo.numtriangles = *renderlist++;
866 aliasmeshinfo.index = renderlist;
867 c_alias_polys += aliasmeshinfo.numtriangles;
868 R_Mesh_Draw(&aliasmeshinfo);
869 renderlist += aliasmeshinfo.numtriangles * 3;
873 void R_DrawZymoticModelMeshFog(vec3_t org, zymtype1header_t *m, float fog)
877 // FIXME: do better fog
878 renderlist = (int *)(m->lump_render.start + (int) m);
880 aliasmeshinfo.tex[0] = 0;
881 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
882 aliasmeshinfo.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
884 aliasmeshinfo.cr = fogcolor[0];
885 aliasmeshinfo.cg = fogcolor[1];
886 aliasmeshinfo.cb = fogcolor[2];
887 aliasmeshinfo.ca = currentrenderentity->alpha * fog;
889 for (i = 0;i < m->numshaders;i++)
891 aliasmeshinfo.numtriangles = *renderlist++;
892 aliasmeshinfo.index = renderlist;
893 c_alias_polys += aliasmeshinfo.numtriangles;
894 R_Mesh_Draw(&aliasmeshinfo);
895 renderlist += aliasmeshinfo.numtriangles * 3;
899 void R_DrawZymoticModel (float fog)
903 // FIXME: do better fog
904 m = currentrenderentity->model->zymdata_header;
905 ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), currentrenderentity->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m));
906 ZymoticTransformVerts(m->numverts, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m));
907 ZymoticCalcNormals(m->numverts, m->numshaders, (int *)(m->lump_render.start + (int) m));
909 R_LightModel(m->numverts, 1 - fog, 1 - fog, 1 - fog, true);
911 memset(&aliasmeshinfo, 0, sizeof(aliasmeshinfo));
912 aliasmeshinfo.numverts = m->numverts;
914 R_DrawZymoticModelMesh(m);
917 R_DrawZymoticModelMeshFog(currentrenderentity->origin, m, fog);
920 void R_DrawAliasModel (void)
925 if (currentrenderentity->alpha < (1.0f / 64.0f))
926 return; // basically completely transparent
930 softwaretransformforentity(currentrenderentity);
935 VectorSubtract(currentrenderentity->origin, r_origin, diff);
936 fog = DotProduct(diff,diff);
939 fog = exp(fogdensity/fog);
944 // fog method: darken, additive fog
945 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
946 // 2. render fog as additive
949 if (currentrenderentity->model->aliastype == ALIASTYPE_ZYM)
950 R_DrawZymoticModel(fog);
952 R_DrawQ1Q2AliasModel(fog);