4 cvar_t r_quickmodels = {0, "r_quickmodels", "1"};
11 // LordHavoc: vertex arrays
14 float *aliasvertcolorbuf;
15 float *aliasvert; // this may point at aliasvertbuf or at vertex arrays in the mesh backend
16 float *aliasvertcolor; // this may point at aliasvertcolorbuf or at vertex arrays in the mesh backend
18 float *aliasvertcolor2;
21 zymbonematrix *zymbonepose;
23 mempool_t *gl_models_mempool;
25 void gl_models_start(void)
27 // allocate vertex processing arrays
28 gl_models_mempool = Mem_AllocPool("GL_Models");
29 aliasvert = aliasvertbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
30 aliasvertcolor = aliasvertcolorbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
31 aliasvertnorm = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][3]));
32 aliasvertcolor2 = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4])); // used temporarily for tinted coloring
33 zymbonepose = Mem_Alloc(gl_models_mempool, sizeof(zymbonematrix[256]));
34 aliasvertusage = Mem_Alloc(gl_models_mempool, sizeof(int[MD2MAX_VERTS]));
37 void gl_models_shutdown(void)
39 Mem_FreePool(&gl_models_mempool);
42 void gl_models_newmap(void)
46 void GL_Models_Init(void)
48 Cvar_RegisterVariable(&r_quickmodels);
50 R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
54 void R_AliasTransformVerts(int vertcount)
59 while (vertcount >= 4)
61 VectorCopy(av, point);softwaretransform(point, av);av += 4;
62 VectorCopy(av, point);softwaretransform(point, av);av += 4;
63 VectorCopy(av, point);softwaretransform(point, av);av += 4;
64 VectorCopy(av, point);softwaretransform(point, av);av += 4;
69 VectorCopy(av, point);softwaretransform(point, av);av += 4;
75 void R_AliasLerpVerts(int vertcount,
76 float lerp1, const trivertx_t *verts1, const vec3_t fscale1, const vec3_t translate1,
77 float lerp2, const trivertx_t *verts2, const vec3_t fscale2, const vec3_t translate2,
78 float lerp3, const trivertx_t *verts3, const vec3_t fscale3, const vec3_t translate3,
79 float lerp4, const trivertx_t *verts4, const vec3_t fscale4, const vec3_t translate4)
82 vec3_t scale1, scale2, scale3, scale4, translate;
83 const float *n1, *n2, *n3, *n4;
87 VectorScale(fscale1, lerp1, scale1);
90 VectorScale(fscale2, lerp2, scale2);
93 VectorScale(fscale3, lerp3, scale3);
96 VectorScale(fscale4, lerp4, scale4);
97 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3 + translate4[0] * lerp4;
98 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3 + translate4[1] * lerp4;
99 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3 + translate4[2] * lerp4;
101 for (i = 0;i < vertcount;i++)
103 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + verts4->v[0] * scale4[0] + translate[0];
104 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + verts4->v[1] * scale4[1] + translate[1];
105 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + verts4->v[2] * scale4[2] + translate[2];
106 n1 = m_bytenormals[verts1->lightnormalindex];
107 n2 = m_bytenormals[verts2->lightnormalindex];
108 n3 = m_bytenormals[verts3->lightnormalindex];
109 n4 = m_bytenormals[verts4->lightnormalindex];
110 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3 + n4[0] * lerp4;
111 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3 + n4[1] * lerp4;
112 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3 + n4[2] * lerp4;
115 verts1++;verts2++;verts3++;verts4++;
120 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3;
121 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3;
122 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3;
124 for (i = 0;i < vertcount;i++)
126 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + translate[0];
127 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + translate[1];
128 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + translate[2];
129 n1 = m_bytenormals[verts1->lightnormalindex];
130 n2 = m_bytenormals[verts2->lightnormalindex];
131 n3 = m_bytenormals[verts3->lightnormalindex];
132 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3;
133 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3;
134 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3;
137 verts1++;verts2++;verts3++;
143 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2;
144 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2;
145 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2;
147 for (i = 0;i < vertcount;i++)
149 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + translate[0];
150 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + translate[1];
151 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + translate[2];
152 n1 = m_bytenormals[verts1->lightnormalindex];
153 n2 = m_bytenormals[verts2->lightnormalindex];
154 avn[0] = n1[0] * lerp1 + n2[0] * lerp2;
155 avn[1] = n1[1] * lerp1 + n2[1] * lerp2;
156 avn[2] = n1[2] * lerp1 + n2[2] * lerp2;
165 translate[0] = translate1[0] * lerp1;
166 translate[1] = translate1[1] * lerp1;
167 translate[2] = translate1[2] * lerp1;
171 // general but almost never used case
172 for (i = 0;i < vertcount;i++)
174 av[0] = verts1->v[0] * scale1[0] + translate[0];
175 av[1] = verts1->v[1] * scale1[1] + translate[1];
176 av[2] = verts1->v[2] * scale1[2] + translate[2];
177 n1 = m_bytenormals[verts1->lightnormalindex];
178 avn[0] = n1[0] * lerp1;
179 avn[1] = n1[1] * lerp1;
180 avn[2] = n1[2] * lerp1;
189 for (i = 0;i < vertcount;i++)
191 av[0] = verts1->v[0] * scale1[0] + translate[0];
192 av[1] = verts1->v[1] * scale1[1] + translate[1];
193 av[2] = verts1->v[2] * scale1[2] + translate[2];
194 VectorCopy(m_bytenormals[verts1->lightnormalindex], avn);
203 skinframe_t *R_FetchSkinFrame(const entity_render_t *ent)
205 model_t *model = ent->model;
206 unsigned int s = (unsigned int) ent->skinnum;
207 if (s >= model->numskins)
209 if (model->skinscenes[s].framecount > 1)
210 return &model->skinframes[model->skinscenes[s].firstframe + (int) (cl.time * 10) % model->skinscenes[s].framecount];
212 return &model->skinframes[model->skinscenes[s].firstframe];
215 void R_SetupMDLMD2Frames(const entity_render_t *ent, float colorr, float colorg, float colorb)
217 const md2frame_t *frame1, *frame2, *frame3, *frame4;
218 const trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
219 const model_t *model = ent->model;
221 frame1 = &model->mdlmd2data_frames[ent->frameblend[0].frame];
222 frame2 = &model->mdlmd2data_frames[ent->frameblend[1].frame];
223 frame3 = &model->mdlmd2data_frames[ent->frameblend[2].frame];
224 frame4 = &model->mdlmd2data_frames[ent->frameblend[3].frame];
225 frame1verts = &model->mdlmd2data_pose[ent->frameblend[0].frame * model->numverts];
226 frame2verts = &model->mdlmd2data_pose[ent->frameblend[1].frame * model->numverts];
227 frame3verts = &model->mdlmd2data_pose[ent->frameblend[2].frame * model->numverts];
228 frame4verts = &model->mdlmd2data_pose[ent->frameblend[3].frame * model->numverts];
229 R_AliasLerpVerts(model->numverts,
230 ent->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate,
231 ent->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate,
232 ent->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate,
233 ent->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate);
235 R_LightModel(ent, model->numverts, colorr, colorg, colorb, false);
237 //R_AliasTransformVerts(model->numverts);
240 void R_DrawQ1Q2AliasModelCallback (const void *calldata1, int calldata2)
242 int i, c, pantsfullbright, shirtfullbright, colormapped;
243 float pantscolor[3], shirtcolor[3];
249 skinframe_t *skinframe;
250 const entity_render_t *ent = calldata1;
251 int blendfunc1, blendfunc2;
253 // softwaretransformforentity(ent);
258 VectorSubtract(ent->origin, r_origin, diff);
259 fog = DotProduct(diff,diff);
262 fog = exp(fogdensity/fog);
267 // fog method: darken, additive fog
268 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
269 // 2. render fog as additive
273 R_Mesh_ResizeCheck(model->numverts, model->numtris);
275 skinframe = R_FetchSkinFrame(ent);
277 if (ent->effects & EF_ADDITIVE)
279 blendfunc1 = GL_SRC_ALPHA;
282 else if (ent->alpha != 1.0 || skinframe->fog != NULL)
284 blendfunc1 = GL_SRC_ALPHA;
285 blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
290 blendfunc2 = GL_ZERO;
293 if (!skinframe->base && !skinframe->pants && !skinframe->shirt && !skinframe->glow)
296 memset(&m, 0, sizeof(m));
297 m.blendfunc1 = blendfunc1;
298 m.blendfunc2 = blendfunc2;
299 m.wantoverbright = true;
300 m.tex[0] = R_GetTexture(r_notexture);
301 m.matrix = ent->matrix;
304 c_alias_polys += model->numtris;
305 memcpy(varray_element, model->mdlmd2data_indices, model->numtris * sizeof(int[3]));
306 for (i = 0;i < model->numverts * 2;i++)
307 varray_texcoord[0][i] = model->mdlmd2data_texcoords[i] * 8.0f;
308 aliasvert = varray_vertex;
309 aliasvertcolor = varray_color;
310 R_SetupMDLMD2Frames(ent, mesh_colorscale, mesh_colorscale, mesh_colorscale);
311 aliasvert = aliasvertbuf;
312 aliasvertcolor = aliasvertcolorbuf;
313 R_Mesh_Draw(model->numverts, model->numtris);
318 colormapped = !skinframe->merged || (ent->colormap >= 0 && skinframe->base && (skinframe->pants || skinframe->shirt));
319 if (!colormapped && !fog && !skinframe->glow && !skinframe->fog)
321 // fastpath for the normal situation (one texture)
322 memset(&m, 0, sizeof(m));
323 m.blendfunc1 = blendfunc1;
324 m.blendfunc2 = blendfunc2;
325 m.wantoverbright = true;
326 m.tex[0] = R_GetTexture(skinframe->merged);
327 m.matrix = ent->matrix;
330 c_alias_polys += model->numtris;
331 memcpy(varray_element, model->mdlmd2data_indices, model->numtris * sizeof(int[3]));
332 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
333 aliasvert = varray_vertex;
334 aliasvertcolor = varray_color;
335 R_SetupMDLMD2Frames(ent, mesh_colorscale, mesh_colorscale, mesh_colorscale);
336 aliasvert = aliasvertbuf;
337 aliasvertcolor = aliasvertcolorbuf;
338 R_Mesh_Draw(model->numverts, model->numtris);
342 R_SetupMDLMD2Frames(ent, 1 - fog, 1 - fog, 1 - fog);
346 // 128-224 are backwards ranges
347 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
348 bcolor = (qbyte *) (&d_8to24table[c]);
349 pantsfullbright = c >= 224;
350 VectorScale(bcolor, (1.0f / 255.0f), pantscolor);
351 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
352 bcolor = (qbyte *) (&d_8to24table[c]);
353 shirtfullbright = c >= 224;
354 VectorScale(bcolor, (1.0f / 255.0f), shirtcolor);
358 pantscolor[0] = pantscolor[1] = pantscolor[2] = shirtcolor[0] = shirtcolor[1] = shirtcolor[2] = 1;
359 pantsfullbright = shirtfullbright = false;
362 memset(&m, 0, sizeof(m));
363 m.blendfunc1 = blendfunc1;
364 m.blendfunc2 = blendfunc2;
365 m.wantoverbright = true;
366 m.matrix = ent->matrix;
367 m.tex[0] = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged);
372 blendfunc1 = GL_SRC_ALPHA;
374 c_alias_polys += model->numtris;
375 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, mesh_colorscale, mesh_colorscale, mesh_colorscale);
376 memcpy(varray_element, model->mdlmd2data_indices, model->numtris * sizeof(int[3]));
377 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
378 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
379 R_Mesh_Draw(model->numverts, model->numtris);
384 if (skinframe->pants)
386 memset(&m, 0, sizeof(m));
387 m.blendfunc1 = blendfunc1;
388 m.blendfunc2 = blendfunc2;
389 m.wantoverbright = true;
390 m.matrix = ent->matrix;
391 m.tex[0] = R_GetTexture(skinframe->pants);
396 blendfunc1 = GL_SRC_ALPHA;
398 c_alias_polys += model->numtris;
400 R_FillColors(varray_color, model->numverts, pantscolor[0] * mesh_colorscale, pantscolor[1] * mesh_colorscale, pantscolor[2] * mesh_colorscale, ent->alpha);
402 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, pantscolor[0] * mesh_colorscale, pantscolor[1] * mesh_colorscale, pantscolor[2] * mesh_colorscale);
403 memcpy(varray_element, model->mdlmd2data_indices, model->numtris * sizeof(int[3]));
404 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
405 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
406 R_Mesh_Draw(model->numverts, model->numtris);
409 if (skinframe->shirt)
411 memset(&m, 0, sizeof(m));
412 m.blendfunc1 = blendfunc1;
413 m.blendfunc2 = blendfunc2;
414 m.wantoverbright = true;
415 m.matrix = ent->matrix;
416 m.tex[0] = R_GetTexture(skinframe->shirt);
421 blendfunc1 = GL_SRC_ALPHA;
423 c_alias_polys += model->numtris;
425 R_FillColors(varray_color, model->numverts, shirtcolor[0] * mesh_colorscale, shirtcolor[1] * mesh_colorscale, shirtcolor[2] * mesh_colorscale, ent->alpha);
427 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, shirtcolor[0] * mesh_colorscale, shirtcolor[1] * mesh_colorscale, shirtcolor[2] * mesh_colorscale);
428 memcpy(varray_element, model->mdlmd2data_indices, model->numtris * sizeof(int[3]));
429 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
430 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
431 R_Mesh_Draw(model->numverts, model->numtris);
437 memset(&m, 0, sizeof(m));
438 m.blendfunc1 = blendfunc1;
439 m.blendfunc2 = blendfunc2;
440 m.wantoverbright = true;
441 m.matrix = ent->matrix;
442 m.tex[0] = R_GetTexture(skinframe->glow);
447 blendfunc1 = GL_SRC_ALPHA;
449 c_alias_polys += model->numtris;
450 R_FillColors(varray_color, model->numverts, (1 - fog) * mesh_colorscale, (1 - fog) * mesh_colorscale, (1 - fog) * mesh_colorscale, ent->alpha);
451 memcpy(varray_element, model->mdlmd2data_indices, model->numtris * sizeof(int[3]));
452 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
453 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
454 R_Mesh_Draw(model->numverts, model->numtris);
459 memset(&m, 0, sizeof(m));
460 m.blendfunc1 = GL_SRC_ALPHA;
461 m.blendfunc2 = GL_ONE;
462 m.wantoverbright = false;
463 m.matrix = ent->matrix;
464 m.tex[0] = R_GetTexture(skinframe->fog);
467 c_alias_polys += model->numtris;
468 R_FillColors(varray_color, model->numverts, fogcolor[0] * fog * mesh_colorscale, fogcolor[1] * fog * mesh_colorscale, fogcolor[2] * fog * mesh_colorscale, ent->alpha);
469 memcpy(varray_element, model->mdlmd2data_indices, model->numtris * sizeof(int[3]));
470 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
471 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
472 R_Mesh_Draw(model->numverts, model->numtris);
476 int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
479 float lerp1, lerp2, lerp3, lerp4;
480 zymbonematrix *out, rootmatrix, m;
481 const zymbonematrix *bone1, *bone2, *bone3, *bone4;
484 // LordHavoc: combine transform from zym coordinate space to quake coordinate space with model to world transform matrix
485 rootmatrix.m[0][0] = softwaretransform_matrix[0][1];
486 rootmatrix.m[0][1] = -softwaretransform_matrix[0][0];
487 rootmatrix.m[0][2] = softwaretransform_matrix[0][2];
488 rootmatrix.m[0][3] = softwaretransform_matrix[0][3];
489 rootmatrix.m[1][0] = softwaretransform_matrix[1][1];
490 rootmatrix.m[1][1] = -softwaretransform_matrix[1][0];
491 rootmatrix.m[1][2] = softwaretransform_matrix[1][2];
492 rootmatrix.m[1][3] = softwaretransform_matrix[1][3];
493 rootmatrix.m[2][0] = softwaretransform_matrix[2][1];
494 rootmatrix.m[2][1] = -softwaretransform_matrix[2][0];
495 rootmatrix.m[2][2] = softwaretransform_matrix[2][2];
496 rootmatrix.m[2][3] = softwaretransform_matrix[2][3];
498 rootmatrix.m[0][0] = 1;
499 rootmatrix.m[0][1] = 0;
500 rootmatrix.m[0][2] = 0;
501 rootmatrix.m[0][3] = 0;
502 rootmatrix.m[1][0] = 0;
503 rootmatrix.m[1][1] = 1;
504 rootmatrix.m[1][2] = 0;
505 rootmatrix.m[1][3] = 0;
506 rootmatrix.m[2][0] = 0;
507 rootmatrix.m[2][1] = 0;
508 rootmatrix.m[2][2] = 1;
509 rootmatrix.m[2][3] = 0;
511 bone1 = bonebase + blend[0].frame * count;
512 lerp1 = blend[0].lerp;
515 bone2 = bonebase + blend[1].frame * count;
516 lerp2 = blend[1].lerp;
519 bone3 = bonebase + blend[2].frame * count;
520 lerp3 = blend[2].lerp;
524 bone4 = bonebase + blend[3].frame * count;
525 lerp4 = blend[3].lerp;
526 for (i = 0, out = zymbonepose;i < count;i++, out++)
528 // interpolate matrices
529 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
530 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
531 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
532 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
533 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
534 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
535 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
536 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
537 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
538 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
539 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
540 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
541 if (bone->parent >= 0)
542 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
544 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
555 for (i = 0, out = zymbonepose;i < count;i++, out++)
557 // interpolate matrices
558 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
559 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
560 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
561 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
562 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
563 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
564 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
565 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
566 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
567 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
568 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
569 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
570 if (bone->parent >= 0)
571 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
573 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
584 for (i = 0, out = zymbonepose;i < count;i++, out++)
586 // interpolate matrices
587 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
588 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
589 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
590 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
591 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
592 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
593 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
594 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
595 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
596 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
597 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
598 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
599 if (bone->parent >= 0)
600 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
602 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
615 for (i = 0, out = zymbonepose;i < count;i++, out++)
617 // interpolate matrices
618 m.m[0][0] = bone1->m[0][0] * lerp1;
619 m.m[0][1] = bone1->m[0][1] * lerp1;
620 m.m[0][2] = bone1->m[0][2] * lerp1;
621 m.m[0][3] = bone1->m[0][3] * lerp1;
622 m.m[1][0] = bone1->m[1][0] * lerp1;
623 m.m[1][1] = bone1->m[1][1] * lerp1;
624 m.m[1][2] = bone1->m[1][2] * lerp1;
625 m.m[1][3] = bone1->m[1][3] * lerp1;
626 m.m[2][0] = bone1->m[2][0] * lerp1;
627 m.m[2][1] = bone1->m[2][1] * lerp1;
628 m.m[2][2] = bone1->m[2][2] * lerp1;
629 m.m[2][3] = bone1->m[2][3] * lerp1;
630 if (bone->parent >= 0)
631 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
633 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
641 for (i = 0, out = zymbonepose;i < count;i++, out++)
643 if (bone->parent >= 0)
644 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
646 R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
655 void ZymoticTransformVerts(int vertcount, int *bonecounts, zymvertex_t *vert)
658 float *out = aliasvert;
659 zymbonematrix *matrix;
663 // FIXME: validate bonecounts at load time (must be >= 1)
664 // FIXME: need 4th component in origin, for how much of the translate to blend in
667 matrix = &zymbonepose[vert->bonenum];
668 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];
669 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];
670 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];
678 matrix = &zymbonepose[vert->bonenum];
679 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];
680 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];
681 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];
689 void ZymoticCalcNormals(int vertcount, int shadercount, int *renderlist)
692 float *out, v1[3], v2[3], normal[3], s;
695 memset(aliasvertnorm, 0, sizeof(float) * vertcount * 3);
696 memset(aliasvertusage, 0, sizeof(int) * vertcount);
697 // parse render list and accumulate surface normals
706 v1[0] = aliasvert[a+0] - aliasvert[b+0];
707 v1[1] = aliasvert[a+1] - aliasvert[b+1];
708 v1[2] = aliasvert[a+2] - aliasvert[b+2];
709 v2[0] = aliasvert[c+0] - aliasvert[b+0];
710 v2[1] = aliasvert[c+1] - aliasvert[b+1];
711 v2[2] = aliasvert[c+2] - aliasvert[b+2];
712 CrossProduct(v1, v2, normal);
713 VectorNormalizeFast(normal);
714 // add surface normal to vertices
715 a = renderlist[0] * 3;
716 aliasvertnorm[a+0] += normal[0];
717 aliasvertnorm[a+1] += normal[1];
718 aliasvertnorm[a+2] += normal[2];
719 aliasvertusage[renderlist[0]]++;
720 a = renderlist[1] * 3;
721 aliasvertnorm[a+0] += normal[0];
722 aliasvertnorm[a+1] += normal[1];
723 aliasvertnorm[a+2] += normal[2];
724 aliasvertusage[renderlist[1]]++;
725 a = renderlist[2] * 3;
726 aliasvertnorm[a+0] += normal[0];
727 aliasvertnorm[a+1] += normal[1];
728 aliasvertnorm[a+2] += normal[2];
729 aliasvertusage[renderlist[2]]++;
733 // FIXME: precalc this
734 // average surface normals
751 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
759 const entity_render_t *ent = calldata1;
760 int shadernum = calldata2;
761 int numverts, numtriangles;
763 // find the vertex index list and texture
764 m = ent->model->zymdata_header;
765 renderlist = (int *)(m->lump_render.start + (int) m);
766 for (i = 0;i < shadernum;i++)
767 renderlist += renderlist[0] * 3 + 1;
768 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[shadernum];
770 numverts = m->numverts;
771 numtriangles = renderlist[0];
772 R_Mesh_ResizeCheck(numverts, numtriangles);
777 VectorSubtract(ent->origin, r_origin, diff);
778 fog = DotProduct(diff,diff);
781 fog = exp(fogdensity/fog);
786 // fog method: darken, additive fog
787 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
788 // 2. render fog as additive
791 ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), ent->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m));
792 ZymoticTransformVerts(numverts, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m));
793 ZymoticCalcNormals(numverts, m->numshaders, (int *)(m->lump_render.start + (int) m));
795 R_LightModel(ent, numverts, 1 - fog, 1 - fog, 1 - fog, false);
797 memset(&mstate, 0, sizeof(mstate));
798 mstate.wantoverbright = true;
799 if (ent->effects & EF_ADDITIVE)
801 mstate.blendfunc1 = GL_SRC_ALPHA;
802 mstate.blendfunc2 = GL_ONE;
804 else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
806 mstate.blendfunc1 = GL_SRC_ALPHA;
807 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
811 mstate.blendfunc1 = GL_ONE;
812 mstate.blendfunc2 = GL_ZERO;
814 mstate.tex[0] = R_GetTexture(texture);
815 mstate.matrix = ent->matrix;
816 R_Mesh_State(&mstate);
818 c_alias_polys += numtriangles;
819 memcpy(varray_element, renderlist + 1, numtriangles * sizeof(int[3]));
820 memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4]));
821 R_ModulateColors(aliasvertcolor, varray_color, numverts, mesh_colorscale, mesh_colorscale, mesh_colorscale);
822 memcpy(varray_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
823 R_Mesh_Draw(numverts, numtriangles);
827 memset(&mstate, 0, sizeof(mstate));
828 mstate.wantoverbright = false;
829 mstate.blendfunc1 = GL_SRC_ALPHA;
830 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
831 // FIXME: need alpha mask for fogging...
832 //mstate.tex[0] = R_GetTexture(texture);
833 mstate.matrix = ent->matrix;
834 R_Mesh_State(&mstate);
836 c_alias_polys += numtriangles;
837 memcpy(varray_element, renderlist + 1, numtriangles * sizeof(int[3]));
838 memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4]));
839 R_FillColors(varray_color, numverts, fogcolor[0] * mesh_colorscale, fogcolor[1] * mesh_colorscale, fogcolor[2] * mesh_colorscale, ent->alpha * fog);
840 //memcpy(mesh_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
841 R_Mesh_Draw(numverts, numtriangles);
845 void R_DrawZymoticModel (entity_render_t *ent)
851 if (ent->alpha < (1.0f / 64.0f))
852 return; // basically completely transparent
856 m = ent->model->zymdata_header;
857 for (i = 0;i < m->numshaders;i++)
859 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[i];
860 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(texture))
861 R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
863 R_DrawZymoticModelMeshCallback(ent, i);
867 void R_DrawQ1Q2AliasModel(entity_render_t *ent)
869 if (ent->alpha < (1.0f / 64.0f))
870 return; // basically completely transparent
874 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL)
875 R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0);
877 R_DrawQ1Q2AliasModelCallback(ent, 0);