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);
254 R_Mesh_Matrix(&ent->matrix);
259 VectorSubtract(ent->origin, r_origin, diff);
260 fog = DotProduct(diff,diff);
263 fog = exp(fogdensity/fog);
268 // fog method: darken, additive fog
269 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
270 // 2. render fog as additive
274 R_Mesh_ResizeCheck(model->numverts);
276 skinframe = R_FetchSkinFrame(ent);
278 if (ent->effects & EF_ADDITIVE)
280 blendfunc1 = GL_SRC_ALPHA;
283 else if (ent->alpha != 1.0 || skinframe->fog != NULL)
285 blendfunc1 = GL_SRC_ALPHA;
286 blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
291 blendfunc2 = GL_ZERO;
294 if (!skinframe->base && !skinframe->pants && !skinframe->shirt && !skinframe->glow)
297 memset(&m, 0, sizeof(m));
298 m.blendfunc1 = blendfunc1;
299 m.blendfunc2 = blendfunc2;
300 m.wantoverbright = true;
301 m.tex[0] = R_GetTexture(r_notexture);
304 c_alias_polys += model->numtris;
305 for (i = 0;i < model->numverts * 2;i++)
306 varray_texcoord[0][i] = model->mdlmd2data_texcoords[i] * 8.0f;
307 aliasvert = varray_vertex;
308 aliasvertcolor = varray_color;
309 R_SetupMDLMD2Frames(ent, mesh_colorscale, mesh_colorscale, mesh_colorscale);
310 aliasvert = aliasvertbuf;
311 aliasvertcolor = aliasvertcolorbuf;
312 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
317 colormapped = !skinframe->merged || (ent->colormap >= 0 && skinframe->base && (skinframe->pants || skinframe->shirt));
318 if (!colormapped && !fog && !skinframe->glow && !skinframe->fog)
320 // fastpath for the normal situation (one texture)
321 memset(&m, 0, sizeof(m));
322 m.blendfunc1 = blendfunc1;
323 m.blendfunc2 = blendfunc2;
324 m.wantoverbright = true;
325 m.tex[0] = R_GetTexture(skinframe->merged);
328 c_alias_polys += model->numtris;
329 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
330 aliasvert = varray_vertex;
331 aliasvertcolor = varray_color;
332 R_SetupMDLMD2Frames(ent, mesh_colorscale, mesh_colorscale, mesh_colorscale);
333 aliasvert = aliasvertbuf;
334 aliasvertcolor = aliasvertcolorbuf;
335 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
339 R_SetupMDLMD2Frames(ent, 1 - fog, 1 - fog, 1 - fog);
343 // 128-224 are backwards ranges
344 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
345 bcolor = (qbyte *) (&d_8to24table[c]);
346 pantsfullbright = c >= 224;
347 VectorScale(bcolor, (1.0f / 255.0f), pantscolor);
348 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
349 bcolor = (qbyte *) (&d_8to24table[c]);
350 shirtfullbright = c >= 224;
351 VectorScale(bcolor, (1.0f / 255.0f), shirtcolor);
355 pantscolor[0] = pantscolor[1] = pantscolor[2] = shirtcolor[0] = shirtcolor[1] = shirtcolor[2] = 1;
356 pantsfullbright = shirtfullbright = false;
359 memset(&m, 0, sizeof(m));
360 m.blendfunc1 = blendfunc1;
361 m.blendfunc2 = blendfunc2;
362 m.wantoverbright = true;
363 m.tex[0] = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged);
368 blendfunc1 = GL_SRC_ALPHA;
370 c_alias_polys += model->numtris;
371 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, mesh_colorscale, mesh_colorscale, mesh_colorscale);
372 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
373 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
374 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
379 if (skinframe->pants)
381 memset(&m, 0, sizeof(m));
382 m.blendfunc1 = blendfunc1;
383 m.blendfunc2 = blendfunc2;
384 m.wantoverbright = true;
385 m.tex[0] = R_GetTexture(skinframe->pants);
390 blendfunc1 = GL_SRC_ALPHA;
392 c_alias_polys += model->numtris;
394 R_FillColors(varray_color, model->numverts, pantscolor[0] * mesh_colorscale, pantscolor[1] * mesh_colorscale, pantscolor[2] * mesh_colorscale, ent->alpha);
396 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, pantscolor[0] * mesh_colorscale, pantscolor[1] * mesh_colorscale, pantscolor[2] * mesh_colorscale);
397 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
398 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
399 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
402 if (skinframe->shirt)
404 memset(&m, 0, sizeof(m));
405 m.blendfunc1 = blendfunc1;
406 m.blendfunc2 = blendfunc2;
407 m.wantoverbright = true;
408 m.tex[0] = R_GetTexture(skinframe->shirt);
413 blendfunc1 = GL_SRC_ALPHA;
415 c_alias_polys += model->numtris;
417 R_FillColors(varray_color, model->numverts, shirtcolor[0] * mesh_colorscale, shirtcolor[1] * mesh_colorscale, shirtcolor[2] * mesh_colorscale, ent->alpha);
419 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, shirtcolor[0] * mesh_colorscale, shirtcolor[1] * mesh_colorscale, shirtcolor[2] * mesh_colorscale);
420 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
421 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
422 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
428 memset(&m, 0, sizeof(m));
429 m.blendfunc1 = blendfunc1;
430 m.blendfunc2 = blendfunc2;
431 m.wantoverbright = true;
432 m.tex[0] = R_GetTexture(skinframe->glow);
437 blendfunc1 = GL_SRC_ALPHA;
439 c_alias_polys += model->numtris;
440 R_FillColors(varray_color, model->numverts, (1 - fog) * mesh_colorscale, (1 - fog) * mesh_colorscale, (1 - fog) * mesh_colorscale, ent->alpha);
441 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
442 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
443 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
448 memset(&m, 0, sizeof(m));
449 m.blendfunc1 = GL_SRC_ALPHA;
450 m.blendfunc2 = GL_ONE;
451 m.wantoverbright = false;
452 m.tex[0] = R_GetTexture(skinframe->fog);
455 c_alias_polys += model->numtris;
456 R_FillColors(varray_color, model->numverts, fogcolor[0] * fog * mesh_colorscale, fogcolor[1] * fog * mesh_colorscale, fogcolor[2] * fog * mesh_colorscale, ent->alpha);
457 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
458 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
459 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
463 int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
466 float lerp1, lerp2, lerp3, lerp4;
467 zymbonematrix *out, rootmatrix, m;
468 const zymbonematrix *bone1, *bone2, *bone3, *bone4;
471 // LordHavoc: combine transform from zym coordinate space to quake coordinate space with model to world transform matrix
472 rootmatrix.m[0][0] = softwaretransform_matrix[0][1];
473 rootmatrix.m[0][1] = -softwaretransform_matrix[0][0];
474 rootmatrix.m[0][2] = softwaretransform_matrix[0][2];
475 rootmatrix.m[0][3] = softwaretransform_matrix[0][3];
476 rootmatrix.m[1][0] = softwaretransform_matrix[1][1];
477 rootmatrix.m[1][1] = -softwaretransform_matrix[1][0];
478 rootmatrix.m[1][2] = softwaretransform_matrix[1][2];
479 rootmatrix.m[1][3] = softwaretransform_matrix[1][3];
480 rootmatrix.m[2][0] = softwaretransform_matrix[2][1];
481 rootmatrix.m[2][1] = -softwaretransform_matrix[2][0];
482 rootmatrix.m[2][2] = softwaretransform_matrix[2][2];
483 rootmatrix.m[2][3] = softwaretransform_matrix[2][3];
485 rootmatrix.m[0][0] = 1;
486 rootmatrix.m[0][1] = 0;
487 rootmatrix.m[0][2] = 0;
488 rootmatrix.m[0][3] = 0;
489 rootmatrix.m[1][0] = 0;
490 rootmatrix.m[1][1] = 1;
491 rootmatrix.m[1][2] = 0;
492 rootmatrix.m[1][3] = 0;
493 rootmatrix.m[2][0] = 0;
494 rootmatrix.m[2][1] = 0;
495 rootmatrix.m[2][2] = 1;
496 rootmatrix.m[2][3] = 0;
498 bone1 = bonebase + blend[0].frame * count;
499 lerp1 = blend[0].lerp;
502 bone2 = bonebase + blend[1].frame * count;
503 lerp2 = blend[1].lerp;
506 bone3 = bonebase + blend[2].frame * count;
507 lerp3 = blend[2].lerp;
511 bone4 = bonebase + blend[3].frame * count;
512 lerp4 = blend[3].lerp;
513 for (i = 0, out = zymbonepose;i < count;i++, out++)
515 // interpolate matrices
516 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
517 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
518 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
519 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
520 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
521 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
522 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
523 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
524 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
525 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
526 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
527 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
528 if (bone->parent >= 0)
529 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
531 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
542 for (i = 0, out = zymbonepose;i < count;i++, out++)
544 // interpolate matrices
545 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
546 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
547 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
548 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
549 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
550 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
551 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
552 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
553 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
554 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
555 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
556 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
557 if (bone->parent >= 0)
558 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
560 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
571 for (i = 0, out = zymbonepose;i < count;i++, out++)
573 // interpolate matrices
574 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
575 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
576 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
577 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
578 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
579 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
580 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
581 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
582 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
583 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
584 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
585 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
586 if (bone->parent >= 0)
587 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
589 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
602 for (i = 0, out = zymbonepose;i < count;i++, out++)
604 // interpolate matrices
605 m.m[0][0] = bone1->m[0][0] * lerp1;
606 m.m[0][1] = bone1->m[0][1] * lerp1;
607 m.m[0][2] = bone1->m[0][2] * lerp1;
608 m.m[0][3] = bone1->m[0][3] * lerp1;
609 m.m[1][0] = bone1->m[1][0] * lerp1;
610 m.m[1][1] = bone1->m[1][1] * lerp1;
611 m.m[1][2] = bone1->m[1][2] * lerp1;
612 m.m[1][3] = bone1->m[1][3] * lerp1;
613 m.m[2][0] = bone1->m[2][0] * lerp1;
614 m.m[2][1] = bone1->m[2][1] * lerp1;
615 m.m[2][2] = bone1->m[2][2] * lerp1;
616 m.m[2][3] = bone1->m[2][3] * lerp1;
617 if (bone->parent >= 0)
618 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
620 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
628 for (i = 0, out = zymbonepose;i < count;i++, out++)
630 if (bone->parent >= 0)
631 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
633 R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
642 void ZymoticTransformVerts(int vertcount, int *bonecounts, zymvertex_t *vert)
645 float *out = aliasvert;
646 zymbonematrix *matrix;
650 // FIXME: validate bonecounts at load time (must be >= 1)
651 // FIXME: need 4th component in origin, for how much of the translate to blend in
654 matrix = &zymbonepose[vert->bonenum];
655 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];
656 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];
657 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];
665 matrix = &zymbonepose[vert->bonenum];
666 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];
667 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];
668 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];
676 void ZymoticCalcNormals(int vertcount, int shadercount, int *renderlist)
679 float *out, v1[3], v2[3], normal[3], s;
682 memset(aliasvertnorm, 0, sizeof(float) * vertcount * 3);
683 memset(aliasvertusage, 0, sizeof(int) * vertcount);
684 // parse render list and accumulate surface normals
693 v1[0] = aliasvert[a+0] - aliasvert[b+0];
694 v1[1] = aliasvert[a+1] - aliasvert[b+1];
695 v1[2] = aliasvert[a+2] - aliasvert[b+2];
696 v2[0] = aliasvert[c+0] - aliasvert[b+0];
697 v2[1] = aliasvert[c+1] - aliasvert[b+1];
698 v2[2] = aliasvert[c+2] - aliasvert[b+2];
699 CrossProduct(v1, v2, normal);
700 VectorNormalizeFast(normal);
701 // add surface normal to vertices
702 a = renderlist[0] * 3;
703 aliasvertnorm[a+0] += normal[0];
704 aliasvertnorm[a+1] += normal[1];
705 aliasvertnorm[a+2] += normal[2];
706 aliasvertusage[renderlist[0]]++;
707 a = renderlist[1] * 3;
708 aliasvertnorm[a+0] += normal[0];
709 aliasvertnorm[a+1] += normal[1];
710 aliasvertnorm[a+2] += normal[2];
711 aliasvertusage[renderlist[1]]++;
712 a = renderlist[2] * 3;
713 aliasvertnorm[a+0] += normal[0];
714 aliasvertnorm[a+1] += normal[1];
715 aliasvertnorm[a+2] += normal[2];
716 aliasvertusage[renderlist[2]]++;
720 // FIXME: precalc this
721 // average surface normals
738 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
742 int i, *renderlist, *elements;
746 const entity_render_t *ent = calldata1;
747 int shadernum = calldata2;
748 int numverts, numtriangles;
750 R_Mesh_Matrix(&ent->matrix);
752 // find the vertex index list and texture
753 m = ent->model->zymdata_header;
754 renderlist = (int *)(m->lump_render.start + (int) m);
755 for (i = 0;i < shadernum;i++)
756 renderlist += renderlist[0] * 3 + 1;
757 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[shadernum];
759 numverts = m->numverts;
760 numtriangles = *renderlist++;
761 elements = renderlist;
762 R_Mesh_ResizeCheck(numverts);
767 VectorSubtract(ent->origin, r_origin, diff);
768 fog = DotProduct(diff,diff);
771 fog = exp(fogdensity/fog);
776 // fog method: darken, additive fog
777 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
778 // 2. render fog as additive
781 ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), ent->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m));
782 ZymoticTransformVerts(numverts, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m));
783 ZymoticCalcNormals(numverts, m->numshaders, (int *)(m->lump_render.start + (int) m));
785 R_LightModel(ent, numverts, 1 - fog, 1 - fog, 1 - fog, false);
787 memset(&mstate, 0, sizeof(mstate));
788 mstate.wantoverbright = true;
789 if (ent->effects & EF_ADDITIVE)
791 mstate.blendfunc1 = GL_SRC_ALPHA;
792 mstate.blendfunc2 = GL_ONE;
794 else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
796 mstate.blendfunc1 = GL_SRC_ALPHA;
797 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
801 mstate.blendfunc1 = GL_ONE;
802 mstate.blendfunc2 = GL_ZERO;
804 mstate.tex[0] = R_GetTexture(texture);
805 R_Mesh_State(&mstate);
807 c_alias_polys += numtriangles;
808 memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4]));
809 R_ModulateColors(aliasvertcolor, varray_color, numverts, mesh_colorscale, mesh_colorscale, mesh_colorscale);
810 memcpy(varray_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
811 R_Mesh_Draw(numverts, numtriangles, elements);
815 memset(&mstate, 0, sizeof(mstate));
816 mstate.wantoverbright = false;
817 mstate.blendfunc1 = GL_SRC_ALPHA;
818 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
819 // FIXME: need alpha mask for fogging...
820 //mstate.tex[0] = R_GetTexture(texture);
821 R_Mesh_State(&mstate);
823 c_alias_polys += numtriangles;
824 memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4]));
825 R_FillColors(varray_color, numverts, fogcolor[0] * mesh_colorscale, fogcolor[1] * mesh_colorscale, fogcolor[2] * mesh_colorscale, ent->alpha * fog);
826 //memcpy(mesh_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
827 R_Mesh_Draw(numverts, numtriangles, elements);
831 void R_DrawZymoticModel (entity_render_t *ent)
837 if (ent->alpha < (1.0f / 64.0f))
838 return; // basically completely transparent
842 m = ent->model->zymdata_header;
843 for (i = 0;i < m->numshaders;i++)
845 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[i];
846 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(texture))
847 R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
849 R_DrawZymoticModelMeshCallback(ent, i);
853 void R_DrawQ1Q2AliasModel(entity_render_t *ent)
855 if (ent->alpha < (1.0f / 64.0f))
856 return; // basically completely transparent
860 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL)
861 R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0);
863 R_DrawQ1Q2AliasModelCallback(ent, 0);