4 //cvar_t gl_transform = {0, "gl_transform", "1"};
11 // LordHavoc: vertex array
14 float *aliasvertcolor;
15 float *aliasvertcolor2;
16 zymbonematrix *zymbonepose;
19 rmeshinfo_t aliasmeshinfo;
21 rtexture_t *chrometexture;
24 void GL_SetupModelTransform (vec3_t origin, vec3_t angles, vec_t scale)
26 glTranslatef (origin[0], origin[1], origin[2]);
29 glScalef (scale, scale, scale);
31 glRotatef (angles[1], 0, 0, 1);
33 glRotatef (-angles[0], 0, 1, 0);
35 glRotatef (angles[2], 1, 0, 0);
39 rtexturepool_t *chrometexturepool;
41 // currently unused reflection effect texture
42 void makechrometexture(void)
48 fractalnoise(noise, 64, 8);
50 // convert to RGBA data
51 for (i = 0;i < 64*64;i++)
53 data[i][0] = data[i][1] = data[i][2] = noise[i];
57 chrometexture = R_LoadTexture (chrometexturepool, "chrometexture", 64, 64, &data[0][0], TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_PRECACHE);
60 mempool_t *gl_models_mempool;
62 void gl_models_start(void)
64 // allocate vertex processing arrays
65 gl_models_mempool = Mem_AllocPool("GL_Models");
66 aliasvert = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
67 aliasvertnorm = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][3]));
68 aliasvertcolor = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
69 aliasvertcolor2 = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4])); // used temporarily for tinted coloring
70 zymbonepose = Mem_Alloc(gl_models_mempool, sizeof(zymbonematrix[256]));
71 aliasvertusage = Mem_Alloc(gl_models_mempool, sizeof(int[MD2MAX_VERTS]));
72 chrometexturepool = R_AllocTexturePool();
76 void gl_models_shutdown(void)
78 R_FreeTexturePool(&chrometexturepool);
79 Mem_FreePool(&gl_models_mempool);
82 void gl_models_newmap(void)
86 void GL_Models_Init(void)
88 // Cvar_RegisterVariable(&gl_transform);
90 R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
93 void R_AliasTransformVerts(int vertcount)
99 while (vertcount >= 4)
101 VectorCopy(av, point);softwaretransform(point, av);av += 4;
102 VectorCopy(av, point);softwaretransform(point, av);av += 4;
103 VectorCopy(av, point);softwaretransform(point, av);av += 4;
104 VectorCopy(av, point);softwaretransform(point, av);av += 4;
105 VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
106 VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
107 VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
108 VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
113 VectorCopy(av, point);softwaretransform(point, av);av += 4;
114 VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
119 void R_AliasLerpVerts(int vertcount,
120 float lerp1, trivertx_t *verts1, vec3_t fscale1, vec3_t translate1,
121 float lerp2, trivertx_t *verts2, vec3_t fscale2, vec3_t translate2,
122 float lerp3, trivertx_t *verts3, vec3_t fscale3, vec3_t translate3,
123 float lerp4, trivertx_t *verts4, vec3_t fscale4, vec3_t translate4)
126 vec3_t scale1, scale2, scale3, scale4, translate;
127 float *n1, *n2, *n3, *n4;
131 VectorScale(fscale1, lerp1, scale1);
134 VectorScale(fscale2, lerp2, scale2);
137 VectorScale(fscale3, lerp3, scale3);
140 VectorScale(fscale4, lerp4, scale4);
141 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3 + translate4[0] * lerp4;
142 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3 + translate4[1] * lerp4;
143 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3 + translate4[2] * lerp4;
145 for (i = 0;i < vertcount;i++)
147 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + verts4->v[0] * scale4[0] + translate[0];
148 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + verts4->v[1] * scale4[1] + translate[1];
149 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + verts4->v[2] * scale4[2] + translate[2];
150 n1 = m_bytenormals[verts1->lightnormalindex];
151 n2 = m_bytenormals[verts2->lightnormalindex];
152 n3 = m_bytenormals[verts3->lightnormalindex];
153 n4 = m_bytenormals[verts4->lightnormalindex];
154 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3 + n4[0] * lerp4;
155 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3 + n4[1] * lerp4;
156 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3 + n4[2] * lerp4;
159 verts1++;verts2++;verts3++;verts4++;
164 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3;
165 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3;
166 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3;
168 for (i = 0;i < vertcount;i++)
170 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + translate[0];
171 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + translate[1];
172 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + translate[2];
173 n1 = m_bytenormals[verts1->lightnormalindex];
174 n2 = m_bytenormals[verts2->lightnormalindex];
175 n3 = m_bytenormals[verts3->lightnormalindex];
176 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3;
177 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3;
178 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3;
181 verts1++;verts2++;verts3++;
187 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2;
188 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2;
189 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2;
191 for (i = 0;i < vertcount;i++)
193 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + translate[0];
194 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + translate[1];
195 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + translate[2];
196 n1 = m_bytenormals[verts1->lightnormalindex];
197 n2 = m_bytenormals[verts2->lightnormalindex];
198 avn[0] = n1[0] * lerp1 + n2[0] * lerp2;
199 avn[1] = n1[1] * lerp1 + n2[1] * lerp2;
200 avn[2] = n1[2] * lerp1 + n2[2] * lerp2;
209 translate[0] = translate1[0] * lerp1;
210 translate[1] = translate1[1] * lerp1;
211 translate[2] = translate1[2] * lerp1;
215 // general but almost never used case
216 for (i = 0;i < vertcount;i++)
218 av[0] = verts1->v[0] * scale1[0] + translate[0];
219 av[1] = verts1->v[1] * scale1[1] + translate[1];
220 av[2] = verts1->v[2] * scale1[2] + translate[2];
221 n1 = m_bytenormals[verts1->lightnormalindex];
222 avn[0] = n1[0] * lerp1;
223 avn[1] = n1[1] * lerp1;
224 avn[2] = n1[2] * lerp1;
233 for (i = 0;i < vertcount;i++)
235 av[0] = verts1->v[0] * scale1[0] + translate[0];
236 av[1] = verts1->v[1] * scale1[1] + translate[1];
237 av[2] = verts1->v[2] * scale1[2] + translate[2];
238 VectorCopy(m_bytenormals[verts1->lightnormalindex], avn);
247 void R_DrawModelMesh(rtexture_t *skin, float *colors, float cred, float cgreen, float cblue)
249 aliasmeshinfo.tex[0] = R_GetTexture(skin);
250 aliasmeshinfo.color = colors;
253 aliasmeshinfo.cr = cred;
254 aliasmeshinfo.cg = cgreen;
255 aliasmeshinfo.cb = cblue;
256 aliasmeshinfo.ca = currentrenderentity->alpha;
259 c_alias_polys += aliasmeshinfo.numtriangles;
260 R_Mesh_Draw(&aliasmeshinfo);
262 // leave it in a state for additional passes
263 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
264 aliasmeshinfo.blendfunc2 = GL_ONE;
267 void R_TintModel(float *in, float *out, int verts, float r, float g, float b)
270 for (i = 0;i < verts;i++)
281 void R_SetupMDLMD2Frames(skinframe_t **skinframe)
283 md2frame_t *frame1, *frame2, *frame3, *frame4;
284 trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
286 model = currentrenderentity->model;
288 if (model->skinscenes[currentrenderentity->skinnum].framecount > 1)
289 *skinframe = &model->skinframes[model->skinscenes[currentrenderentity->skinnum].firstframe + (int) (cl.time * 10) % model->skinscenes[currentrenderentity->skinnum].framecount];
291 *skinframe = &model->skinframes[model->skinscenes[currentrenderentity->skinnum].firstframe];
293 frame1 = &model->mdlmd2data_frames[currentrenderentity->frameblend[0].frame];
294 frame2 = &model->mdlmd2data_frames[currentrenderentity->frameblend[1].frame];
295 frame3 = &model->mdlmd2data_frames[currentrenderentity->frameblend[2].frame];
296 frame4 = &model->mdlmd2data_frames[currentrenderentity->frameblend[3].frame];
297 frame1verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[0].frame * model->numverts];
298 frame2verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[1].frame * model->numverts];
299 frame3verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[2].frame * model->numverts];
300 frame4verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[3].frame * model->numverts];
301 R_AliasLerpVerts(model->numverts,
302 currentrenderentity->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate,
303 currentrenderentity->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate,
304 currentrenderentity->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate,
305 currentrenderentity->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate);
306 R_AliasTransformVerts(model->numverts);
308 R_LightModel(model->numverts);
311 void R_DrawQ1Q2AliasModel (void)
316 skinframe_t *skinframe;
318 model = currentrenderentity->model;
320 R_SetupMDLMD2Frames(&skinframe);
322 memset(&aliasmeshinfo, 0, sizeof(aliasmeshinfo));
324 aliasmeshinfo.vertex = aliasvert;
325 aliasmeshinfo.vertexstep = sizeof(float[4]);
326 aliasmeshinfo.numverts = model->numverts;
327 aliasmeshinfo.numtriangles = model->numtris;
328 aliasmeshinfo.index = model->mdlmd2data_indices;
329 aliasmeshinfo.colorstep = sizeof(float[4]);
330 aliasmeshinfo.texcoords[0] = model->mdlmd2data_texcoords;
331 aliasmeshinfo.texcoordstep[0] = sizeof(float[2]);
336 VectorSubtract(currentrenderentity->origin, r_origin, diff);
337 fog = DotProduct(diff,diff);
340 fog = exp(fogdensity/fog);
345 // fog method: darken, additive fog
346 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
347 // 2. render fog as additive
350 if (currentrenderentity->effects & EF_ADDITIVE)
352 aliasmeshinfo.transparent = true;
353 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
354 aliasmeshinfo.blendfunc2 = GL_ONE;
356 else if (currentrenderentity->alpha != 1.0 || skinframe->fog != NULL)
358 aliasmeshinfo.transparent = true;
359 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
360 aliasmeshinfo.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
364 aliasmeshinfo.transparent = false;
365 aliasmeshinfo.blendfunc1 = GL_ONE;
366 aliasmeshinfo.blendfunc2 = GL_ZERO;
371 R_TintModel(aliasvertcolor, aliasvertcolor, model->numverts, 1 - fog, 1 - fog, 1 - fog);
373 if (skinframe->base || skinframe->pants || skinframe->shirt || skinframe->glow || skinframe->merged)
375 if (currentrenderentity->colormap >= 0 && (skinframe->base || skinframe->pants || skinframe->shirt))
380 R_DrawModelMesh(skinframe->base, aliasvertcolor, 0, 0, 0);
381 if (skinframe->pants)
383 c = (currentrenderentity->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
384 color = (qbyte *) (&d_8to24table[c]);
385 if (c >= 224) // fullbright ranges
386 R_DrawModelMesh(skinframe->pants, NULL, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
389 R_TintModel(aliasvertcolor, aliasvertcolor2, model->numverts, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
390 R_DrawModelMesh(skinframe->pants, aliasvertcolor2, 0, 0, 0);
393 if (skinframe->shirt)
395 c = currentrenderentity->colormap & 0xF0 ;c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
396 color = (qbyte *) (&d_8to24table[c]);
397 if (c >= 224) // fullbright ranges
398 R_DrawModelMesh(skinframe->shirt, NULL, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
401 R_TintModel(aliasvertcolor, aliasvertcolor2, model->numverts, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
402 R_DrawModelMesh(skinframe->shirt, aliasvertcolor2, 0, 0, 0);
408 if (skinframe->merged)
409 R_DrawModelMesh(skinframe->merged, aliasvertcolor, 0, 0, 0);
412 if (skinframe->base) R_DrawModelMesh(skinframe->base, aliasvertcolor, 0, 0, 0);
413 if (skinframe->pants) R_DrawModelMesh(skinframe->pants, aliasvertcolor, 0, 0, 0);
414 if (skinframe->shirt) R_DrawModelMesh(skinframe->shirt, aliasvertcolor, 0, 0, 0);
417 if (skinframe->glow) R_DrawModelMesh(skinframe->glow, NULL, 1 - fog, 1 - fog, 1 - fog);
420 R_DrawModelMesh(0, NULL, 1 - fog, 1 - fog, 1 - fog);
422 if (fog && !(currentrenderentity->effects & EF_ADDITIVE))
424 aliasmeshinfo.tex[0] = R_GetTexture(skinframe->fog);
425 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
426 aliasmeshinfo.blendfunc2 = GL_ONE;
427 aliasmeshinfo.color = NULL;
429 aliasmeshinfo.cr = fogcolor[0];
430 aliasmeshinfo.cg = fogcolor[1];
431 aliasmeshinfo.cb = fogcolor[2];
432 aliasmeshinfo.ca = currentrenderentity->alpha * fog;
434 c_alias_polys += aliasmeshinfo.numtriangles;
435 R_Mesh_Draw(&aliasmeshinfo);
439 int ZymoticLerpBones(int count, zymbonematrix *bonebase, frameblend_t *blend, zymbone_t *bone)
442 float lerp1, lerp2, lerp3, lerp4;
443 zymbonematrix *out, rootmatrix, m, *bone1, *bone2, *bone3, *bone4;
458 R_ConcatTransforms(&softwaretransform_matrix[0], &m.m[0], &rootmatrix.m[0]);
461 // LordHavoc: combine transform from zym coordinate space to quake coordinate space with model to world transform matrix
462 rootmatrix.m[0][0] = softwaretransform_matrix[0][1];
463 rootmatrix.m[0][1] = -softwaretransform_matrix[0][0];
464 rootmatrix.m[0][2] = softwaretransform_matrix[0][2];
465 rootmatrix.m[0][3] = softwaretransform_matrix[0][3];
466 rootmatrix.m[1][0] = softwaretransform_matrix[1][1];
467 rootmatrix.m[1][1] = -softwaretransform_matrix[1][0];
468 rootmatrix.m[1][2] = softwaretransform_matrix[1][2];
469 rootmatrix.m[1][3] = softwaretransform_matrix[1][3];
470 rootmatrix.m[2][0] = softwaretransform_matrix[2][1];
471 rootmatrix.m[2][1] = -softwaretransform_matrix[2][0];
472 rootmatrix.m[2][2] = softwaretransform_matrix[2][2];
473 rootmatrix.m[2][3] = softwaretransform_matrix[2][3];
475 bone1 = bonebase + blend[0].frame * count;
476 lerp1 = blend[0].lerp;
479 bone2 = bonebase + blend[1].frame * count;
480 lerp2 = blend[1].lerp;
483 bone3 = bonebase + blend[2].frame * count;
484 lerp3 = blend[2].lerp;
488 bone4 = bonebase + blend[3].frame * count;
489 lerp4 = blend[3].lerp;
490 for (i = 0, out = zymbonepose;i < count;i++, out++)
492 // interpolate matrices
493 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
494 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
495 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
496 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
497 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
498 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
499 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
500 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
501 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
502 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
503 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
504 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
505 if (bone->parent >= 0)
506 R_ConcatTransforms(&zymbonepose[bone->parent].m[0], &m.m[0], &out->m[0]);
508 R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[0]);
519 for (i = 0, out = zymbonepose;i < count;i++, out++)
521 // interpolate matrices
522 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
523 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
524 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
525 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
526 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
527 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
528 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
529 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
530 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
531 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
532 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
533 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
534 if (bone->parent >= 0)
535 R_ConcatTransforms(&zymbonepose[bone->parent].m[0], &m.m[0], &out->m[0]);
537 R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[0]);
548 for (i = 0, out = zymbonepose;i < count;i++, out++)
550 // interpolate matrices
551 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
552 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
553 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
554 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
555 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
556 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
557 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
558 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
559 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
560 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
561 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
562 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
563 if (bone->parent >= 0)
564 R_ConcatTransforms(&zymbonepose[bone->parent].m[0], &m.m[0], &out->m[0]);
566 R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[0]);
579 for (i = 0, out = zymbonepose;i < count;i++, out++)
581 // interpolate matrices
582 m.m[0][0] = bone1->m[0][0] * lerp1;
583 m.m[0][1] = bone1->m[0][1] * lerp1;
584 m.m[0][2] = bone1->m[0][2] * lerp1;
585 m.m[0][3] = bone1->m[0][3] * lerp1;
586 m.m[1][0] = bone1->m[1][0] * lerp1;
587 m.m[1][1] = bone1->m[1][1] * lerp1;
588 m.m[1][2] = bone1->m[1][2] * lerp1;
589 m.m[1][3] = bone1->m[1][3] * lerp1;
590 m.m[2][0] = bone1->m[2][0] * lerp1;
591 m.m[2][1] = bone1->m[2][1] * lerp1;
592 m.m[2][2] = bone1->m[2][2] * lerp1;
593 m.m[2][3] = bone1->m[2][3] * lerp1;
594 if (bone->parent >= 0)
595 R_ConcatTransforms(&zymbonepose[bone->parent].m[0], &m.m[0], &out->m[0]);
597 R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[0]);
605 for (i = 0, out = zymbonepose;i < count;i++, out++)
607 if (bone->parent >= 0)
608 R_ConcatTransforms(&zymbonepose[bone->parent].m[0], &bone1->m[0], &out->m[0]);
610 R_ConcatTransforms(&rootmatrix.m[0], &bone1->m[0], &out->m[0]);
619 void ZymoticTransformVerts(int vertcount, int *bonecounts, zymvertex_t *vert)
622 float *out = aliasvert;
623 zymbonematrix *matrix;
627 // FIXME: validate bonecounts at load time (must be >= 1)
628 // FIXME: need 4th component in origin, for how much of the translate to blend in
631 matrix = &zymbonepose[vert->bonenum];
632 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];
633 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];
634 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];
642 matrix = &zymbonepose[vert->bonenum];
643 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];
644 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];
645 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];
653 void ZymoticCalcNormals(int vertcount, int shadercount, int *renderlist)
656 float *out, v1[3], v2[3], normal[3], s;
659 memset(aliasvertnorm, 0, sizeof(float) * vertcount * 3);
660 memset(aliasvertusage, 0, sizeof(int) * vertcount);
661 // parse render list and accumulate surface normals
670 v1[0] = aliasvert[a+0] - aliasvert[b+0];
671 v1[1] = aliasvert[a+1] - aliasvert[b+1];
672 v1[2] = aliasvert[a+2] - aliasvert[b+2];
673 v2[0] = aliasvert[c+0] - aliasvert[b+0];
674 v2[1] = aliasvert[c+1] - aliasvert[b+1];
675 v2[2] = aliasvert[c+2] - aliasvert[b+2];
676 CrossProduct(v1, v2, normal);
677 VectorNormalizeFast(normal);
678 // add surface normal to vertices
679 a = renderlist[0] * 3;
680 aliasvertnorm[a+0] += normal[0];
681 aliasvertnorm[a+1] += normal[1];
682 aliasvertnorm[a+2] += normal[2];
683 aliasvertusage[renderlist[0]]++;
684 a = renderlist[1] * 3;
685 aliasvertnorm[a+0] += normal[0];
686 aliasvertnorm[a+1] += normal[1];
687 aliasvertnorm[a+2] += normal[2];
688 aliasvertusage[renderlist[1]]++;
689 a = renderlist[2] * 3;
690 aliasvertnorm[a+0] += normal[0];
691 aliasvertnorm[a+1] += normal[1];
692 aliasvertnorm[a+2] += normal[2];
693 aliasvertusage[renderlist[2]]++;
697 // FIXME: precalc this
698 // average surface normals
715 void R_DrawZymoticModelMesh(zymtype1header_t *m)
718 rtexture_t **texture;
720 // FIXME: do better fog
721 renderlist = (int *)(m->lump_render.start + (int) m);
722 texture = (rtexture_t **)(m->lump_shaders.start + (int) m);
724 aliasmeshinfo.vertex = aliasvert;
725 aliasmeshinfo.vertexstep = sizeof(float[4]);
726 aliasmeshinfo.color = aliasvertcolor;
727 aliasmeshinfo.colorstep = sizeof(float[4]);
728 aliasmeshinfo.texcoords[0] = (float *)(m->lump_texcoords.start + (int) m);
729 aliasmeshinfo.texcoordstep[0] = sizeof(float[2]);
731 for (i = 0;i < m->numshaders;i++)
733 aliasmeshinfo.tex[0] = R_GetTexture(texture[i]);
734 if (currentrenderentity->effects & EF_ADDITIVE)
736 aliasmeshinfo.transparent = true;
737 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
738 aliasmeshinfo.blendfunc2 = GL_ONE;
740 else if (currentrenderentity->alpha != 1.0 || R_TextureHasAlpha(texture[i]))
742 aliasmeshinfo.transparent = true;
743 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
744 aliasmeshinfo.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
748 aliasmeshinfo.transparent = false;
749 aliasmeshinfo.blendfunc1 = GL_ONE;
750 aliasmeshinfo.blendfunc2 = GL_ZERO;
752 aliasmeshinfo.numtriangles = *renderlist++;
753 aliasmeshinfo.index = renderlist;
754 c_alias_polys += aliasmeshinfo.numtriangles;
755 R_Mesh_Draw(&aliasmeshinfo);
756 renderlist += aliasmeshinfo.numtriangles * 3;
760 void R_DrawZymoticModelMeshFog(vec3_t org, zymtype1header_t *m)
765 // FIXME: do better fog
766 renderlist = (int *)(m->lump_render.start + (int) m);
768 aliasmeshinfo.tex[0] = 0;
769 aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
770 aliasmeshinfo.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
772 VectorSubtract(org, r_origin, diff);
773 aliasmeshinfo.cr = fogcolor[0];
774 aliasmeshinfo.cg = fogcolor[1];
775 aliasmeshinfo.cb = fogcolor[2];
776 aliasmeshinfo.ca = currentrenderentity->alpha * exp(fogdensity/DotProduct(diff,diff));
778 for (i = 0;i < m->numshaders;i++)
780 aliasmeshinfo.numtriangles = *renderlist++;
781 aliasmeshinfo.index = renderlist;
782 c_alias_polys += aliasmeshinfo.numtriangles;
783 R_Mesh_Draw(&aliasmeshinfo);
784 renderlist += aliasmeshinfo.numtriangles * 3;
788 void R_DrawZymoticModel (void)
792 // FIXME: do better fog
793 m = currentrenderentity->model->zymdata_header;
794 ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), currentrenderentity->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m));
795 ZymoticTransformVerts(m->numverts, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m));
796 ZymoticCalcNormals(m->numverts, m->numshaders, (int *)(m->lump_render.start + (int) m));
798 R_LightModel(m->numverts);
800 memset(&aliasmeshinfo, 0, sizeof(aliasmeshinfo));
801 aliasmeshinfo.numverts = m->numverts;
803 R_DrawZymoticModelMesh(m);
806 R_DrawZymoticModelMeshFog(currentrenderentity->origin, m);
809 void R_DrawAliasModel (void)
811 if (currentrenderentity->alpha < (1.0f / 64.0f))
812 return; // basically completely transparent
816 softwaretransformforentity(currentrenderentity);
818 if (currentrenderentity->model->aliastype == ALIASTYPE_ZYM)
819 R_DrawZymoticModel();
821 R_DrawQ1Q2AliasModel();