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);
53 void R_AliasTransformVerts(int vertcount)
58 while (vertcount >= 4)
60 VectorCopy(av, point);softwaretransform(point, av);av += 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;
68 VectorCopy(av, point);softwaretransform(point, av);av += 4;
73 void R_AliasLerpVerts(int vertcount,
74 float lerp1, trivertx_t *verts1, vec3_t fscale1, vec3_t translate1,
75 float lerp2, trivertx_t *verts2, vec3_t fscale2, vec3_t translate2,
76 float lerp3, trivertx_t *verts3, vec3_t fscale3, vec3_t translate3,
77 float lerp4, trivertx_t *verts4, vec3_t fscale4, vec3_t translate4)
80 vec3_t scale1, scale2, scale3, scale4, translate;
81 float *n1, *n2, *n3, *n4;
85 VectorScale(fscale1, lerp1, scale1);
88 VectorScale(fscale2, lerp2, scale2);
91 VectorScale(fscale3, lerp3, scale3);
94 VectorScale(fscale4, lerp4, scale4);
95 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3 + translate4[0] * lerp4;
96 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3 + translate4[1] * lerp4;
97 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3 + translate4[2] * lerp4;
99 for (i = 0;i < vertcount;i++)
101 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + verts4->v[0] * scale4[0] + translate[0];
102 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + verts4->v[1] * scale4[1] + translate[1];
103 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + verts4->v[2] * scale4[2] + translate[2];
104 n1 = m_bytenormals[verts1->lightnormalindex];
105 n2 = m_bytenormals[verts2->lightnormalindex];
106 n3 = m_bytenormals[verts3->lightnormalindex];
107 n4 = m_bytenormals[verts4->lightnormalindex];
108 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3 + n4[0] * lerp4;
109 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3 + n4[1] * lerp4;
110 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3 + n4[2] * lerp4;
113 verts1++;verts2++;verts3++;verts4++;
118 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3;
119 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3;
120 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3;
122 for (i = 0;i < vertcount;i++)
124 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + translate[0];
125 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + translate[1];
126 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + translate[2];
127 n1 = m_bytenormals[verts1->lightnormalindex];
128 n2 = m_bytenormals[verts2->lightnormalindex];
129 n3 = m_bytenormals[verts3->lightnormalindex];
130 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3;
131 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3;
132 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3;
135 verts1++;verts2++;verts3++;
141 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2;
142 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2;
143 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2;
145 for (i = 0;i < vertcount;i++)
147 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + translate[0];
148 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + translate[1];
149 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + translate[2];
150 n1 = m_bytenormals[verts1->lightnormalindex];
151 n2 = m_bytenormals[verts2->lightnormalindex];
152 avn[0] = n1[0] * lerp1 + n2[0] * lerp2;
153 avn[1] = n1[1] * lerp1 + n2[1] * lerp2;
154 avn[2] = n1[2] * lerp1 + n2[2] * lerp2;
163 translate[0] = translate1[0] * lerp1;
164 translate[1] = translate1[1] * lerp1;
165 translate[2] = translate1[2] * lerp1;
169 // general but almost never used case
170 for (i = 0;i < vertcount;i++)
172 av[0] = verts1->v[0] * scale1[0] + translate[0];
173 av[1] = verts1->v[1] * scale1[1] + translate[1];
174 av[2] = verts1->v[2] * scale1[2] + translate[2];
175 n1 = m_bytenormals[verts1->lightnormalindex];
176 avn[0] = n1[0] * lerp1;
177 avn[1] = n1[1] * lerp1;
178 avn[2] = n1[2] * lerp1;
187 for (i = 0;i < vertcount;i++)
189 av[0] = verts1->v[0] * scale1[0] + translate[0];
190 av[1] = verts1->v[1] * scale1[1] + translate[1];
191 av[2] = verts1->v[2] * scale1[2] + translate[2];
192 VectorCopy(m_bytenormals[verts1->lightnormalindex], avn);
201 skinframe_t *R_FetchSkinFrame(entity_render_t *ent)
203 model_t *model = ent->model;
204 if (model->skinscenes[ent->skinnum].framecount > 1)
205 return &model->skinframes[model->skinscenes[ent->skinnum].firstframe + (int) (cl.time * 10) % model->skinscenes[ent->skinnum].framecount];
207 return &model->skinframes[model->skinscenes[ent->skinnum].firstframe];
210 void R_SetupMDLMD2Frames(entity_render_t *ent, float colorr, float colorg, float colorb)
212 md2frame_t *frame1, *frame2, *frame3, *frame4;
213 trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
217 frame1 = &model->mdlmd2data_frames[ent->frameblend[0].frame];
218 frame2 = &model->mdlmd2data_frames[ent->frameblend[1].frame];
219 frame3 = &model->mdlmd2data_frames[ent->frameblend[2].frame];
220 frame4 = &model->mdlmd2data_frames[ent->frameblend[3].frame];
221 frame1verts = &model->mdlmd2data_pose[ent->frameblend[0].frame * model->numverts];
222 frame2verts = &model->mdlmd2data_pose[ent->frameblend[1].frame * model->numverts];
223 frame3verts = &model->mdlmd2data_pose[ent->frameblend[2].frame * model->numverts];
224 frame4verts = &model->mdlmd2data_pose[ent->frameblend[3].frame * model->numverts];
225 R_AliasLerpVerts(model->numverts,
226 ent->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate,
227 ent->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate,
228 ent->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate,
229 ent->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate);
231 R_LightModel(ent, model->numverts, colorr, colorg, colorb, false);
233 R_AliasTransformVerts(model->numverts);
236 void R_DrawQ1Q2AliasModelCallback (void *calldata1, int calldata2)
238 int c, pantsfullbright, shirtfullbright, colormapped;
239 float pantscolor[3], shirtcolor[3];
245 skinframe_t *skinframe;
246 entity_render_t *ent;
249 softwaretransformforentity(ent);
254 VectorSubtract(ent->origin, r_origin, diff);
255 fog = DotProduct(diff,diff);
258 fog = exp(fogdensity/fog);
263 // fog method: darken, additive fog
264 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
265 // 2. render fog as additive
270 skinframe = R_FetchSkinFrame(ent);
272 colormapped = !skinframe->merged || (ent->colormap >= 0 && skinframe->base && (skinframe->pants || skinframe->shirt));
273 if (!colormapped && !fog && !skinframe->glow && !skinframe->fog)
275 // fastpath for the normal situation (one texture)
276 memset(&m, 0, sizeof(m));
277 if (ent->effects & EF_ADDITIVE)
279 m.transparent = true;
280 m.blendfunc1 = GL_SRC_ALPHA;
281 m.blendfunc2 = GL_ONE;
283 else if (ent->alpha != 1.0 || skinframe->fog != NULL)
285 m.transparent = true;
286 m.blendfunc1 = GL_SRC_ALPHA;
287 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
291 m.transparent = false;
292 m.blendfunc1 = GL_ONE;
293 m.blendfunc2 = GL_ZERO;
295 m.numtriangles = model->numtris;
296 m.numverts = model->numverts;
297 m.tex[0] = R_GetTexture(skinframe->merged);
299 c_alias_polys += m.numtriangles;
300 if (R_Mesh_Draw_GetBuffer(&m, true))
302 memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
303 memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
305 aliasvert = m.vertex;
306 aliasvertcolor = m.color;
307 R_SetupMDLMD2Frames(ent, m.colorscale * (1 - fog), m.colorscale * (1 - fog), m.colorscale * (1 - fog));
308 aliasvert = aliasvertbuf;
309 aliasvertcolor = aliasvertcolorbuf;
316 R_SetupMDLMD2Frames(ent, 1 - fog, 1 - fog, 1 - fog);
320 // 128-224 are backwards ranges
321 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
322 bcolor = (qbyte *) (&d_8to24table[c]);
323 pantsfullbright = c >= 224;
324 VectorScale(bcolor, (1.0f / 255.0f), pantscolor);
325 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
326 bcolor = (qbyte *) (&d_8to24table[c]);
327 shirtfullbright = c >= 224;
328 VectorScale(bcolor, (1.0f / 255.0f), shirtcolor);
332 pantscolor[0] = pantscolor[1] = pantscolor[2] = shirtcolor[0] = shirtcolor[1] = shirtcolor[2] = 1;
333 pantsfullbright = shirtfullbright = false;
336 memset(&m, 0, sizeof(m));
337 if (ent->effects & EF_ADDITIVE)
339 m.transparent = true;
340 m.blendfunc1 = GL_SRC_ALPHA;
341 m.blendfunc2 = GL_ONE;
343 else if (ent->alpha != 1.0 || skinframe->fog != NULL)
345 m.transparent = true;
346 m.blendfunc1 = GL_SRC_ALPHA;
347 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
351 m.transparent = false;
352 m.blendfunc1 = GL_ONE;
353 m.blendfunc2 = GL_ZERO;
355 m.numtriangles = model->numtris;
356 m.numverts = model->numverts;
357 m.tex[0] = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged);
358 if (R_Mesh_Draw_GetBuffer(&m, true))
360 c_alias_polys += m.numtriangles;
361 R_ModulateColors(aliasvertcolor, m.color, m.numverts, m.colorscale, m.colorscale, m.colorscale);
362 memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
363 memcpy(m.vertex, aliasvert, m.numverts * sizeof(float[4]));
364 memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
370 if (skinframe->pants)
372 memset(&m, 0, sizeof(m));
373 m.transparent = ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || skinframe->fog != NULL;
374 m.blendfunc1 = GL_SRC_ALPHA;
375 m.blendfunc2 = GL_ONE;
376 m.numtriangles = model->numtris;
377 m.numverts = model->numverts;
378 m.tex[0] = R_GetTexture(skinframe->pants);
379 if (R_Mesh_Draw_GetBuffer(&m, true))
381 c_alias_polys += m.numtriangles;
383 R_FillColors(m.color, m.numverts, pantscolor[0] * m.colorscale, pantscolor[1] * m.colorscale, pantscolor[2] * m.colorscale, ent->alpha);
385 R_ModulateColors(aliasvertcolor, m.color, m.numverts, pantscolor[0] * m.colorscale, pantscolor[1] * m.colorscale, pantscolor[2] * m.colorscale);
386 memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
387 memcpy(m.vertex, aliasvert, m.numverts * sizeof(float[4]));
388 memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
392 if (skinframe->shirt)
394 memset(&m, 0, sizeof(m));
395 m.transparent = ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || skinframe->fog != NULL;
396 m.blendfunc1 = GL_SRC_ALPHA;
397 m.blendfunc2 = GL_ONE;
398 m.numtriangles = model->numtris;
399 m.numverts = model->numverts;
400 m.tex[0] = R_GetTexture(skinframe->shirt);
401 if (R_Mesh_Draw_GetBuffer(&m, true))
403 c_alias_polys += m.numtriangles;
405 R_FillColors(m.color, m.numverts, shirtcolor[0] * m.colorscale, shirtcolor[1] * m.colorscale, shirtcolor[2] * m.colorscale, ent->alpha);
407 R_ModulateColors(aliasvertcolor, m.color, m.numverts, shirtcolor[0] * m.colorscale, shirtcolor[1] * m.colorscale, shirtcolor[2] * m.colorscale);
408 memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
409 memcpy(m.vertex, aliasvert, m.numverts * sizeof(float[4]));
410 memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
417 memset(&m, 0, sizeof(m));
418 m.transparent = ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || skinframe->fog != NULL;
419 m.blendfunc1 = GL_SRC_ALPHA;
420 m.blendfunc2 = GL_ONE;
421 m.numtriangles = model->numtris;
422 m.numverts = model->numverts;
423 m.tex[0] = R_GetTexture(skinframe->glow);
424 if (R_Mesh_Draw_GetBuffer(&m, true))
426 c_alias_polys += m.numtriangles;
427 R_FillColors(m.color, m.numverts, (1 - fog) * m.colorscale, (1 - fog) * m.colorscale, (1 - fog) * m.colorscale, ent->alpha);
428 memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
429 memcpy(m.vertex, aliasvert, m.numverts * sizeof(float[4]));
430 memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
436 memset(&m, 0, sizeof(m));
437 m.transparent = ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || skinframe->fog != NULL;
438 m.blendfunc1 = GL_SRC_ALPHA;
439 m.blendfunc2 = GL_ONE;
440 m.numtriangles = model->numtris;
441 m.numverts = model->numverts;
442 m.tex[0] = R_GetTexture(skinframe->fog);
443 if (R_Mesh_Draw_GetBuffer(&m, false))
445 c_alias_polys += m.numtriangles;
446 R_FillColors(m.color, m.numverts, fog * m.colorscale, fog * m.colorscale, fog * m.colorscale, ent->alpha);
447 memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
448 memcpy(m.vertex, aliasvert, m.numverts * sizeof(float[4]));
449 memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
455 int ZymoticLerpBones(int count, zymbonematrix *bonebase, frameblend_t *blend, zymbone_t *bone)
458 float lerp1, lerp2, lerp3, lerp4;
459 zymbonematrix *out, rootmatrix, m, *bone1, *bone2, *bone3, *bone4;
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][0], &m.m[0][0], &out->m[0][0]);
508 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][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][0], &m.m[0][0], &out->m[0][0]);
537 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][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][0], &m.m[0][0], &out->m[0][0]);
566 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][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][0], &m.m[0][0], &out->m[0][0]);
597 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
605 for (i = 0, out = zymbonepose;i < count;i++, out++)
607 if (bone->parent >= 0)
608 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
610 R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][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_DrawZymoticModelMeshCallback (void *calldata1, int calldata2)
722 rmeshbufferinfo_t mbuf;
723 entity_render_t *ent;
727 shadernum = calldata2;
729 // find the vertex index list and texture
730 m = ent->model->zymdata_header;
731 renderlist = (int *)(m->lump_render.start + (int) m);
732 for (i = 0;i < shadernum;i++)
733 renderlist += renderlist[0] * 3 + 1;
734 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[shadernum];
739 VectorSubtract(ent->origin, r_origin, diff);
740 fog = DotProduct(diff,diff);
743 fog = exp(fogdensity/fog);
748 // fog method: darken, additive fog
749 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
750 // 2. render fog as additive
753 softwaretransformforentity(ent);
754 ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), ent->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m));
755 ZymoticTransformVerts(m->numverts, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m));
756 ZymoticCalcNormals(m->numverts, m->numshaders, (int *)(m->lump_render.start + (int) m));
758 R_LightModel(ent, m->numverts, 1 - fog, 1 - fog, 1 - fog, true);
760 memset(&mbuf, 0, sizeof(mbuf));
761 mbuf.numverts = m->numverts;
762 mbuf.numtriangles = renderlist[0];
763 mbuf.transparent = false;
764 if (ent->effects & EF_ADDITIVE)
766 mbuf.blendfunc1 = GL_SRC_ALPHA;
767 mbuf.blendfunc2 = GL_ONE;
769 else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
771 mbuf.blendfunc1 = GL_SRC_ALPHA;
772 mbuf.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
776 mbuf.blendfunc1 = GL_ONE;
777 mbuf.blendfunc2 = GL_ZERO;
779 mbuf.tex[0] = R_GetTexture(texture);
780 if (R_Mesh_Draw_GetBuffer(&mbuf, true))
782 c_alias_polys += mbuf.numtriangles;
783 memcpy(mbuf.index, renderlist + 1, mbuf.numtriangles * sizeof(int[3]));
784 memcpy(mbuf.vertex, aliasvert, mbuf.numverts * sizeof(float[4]));
785 R_ModulateColors(aliasvertcolor, mbuf.color, mbuf.numverts, mbuf.colorscale, mbuf.colorscale, mbuf.colorscale);
786 //memcpy(mbuf.color, aliasvertcolor, mbuf.numverts * sizeof(float[4]));
787 memcpy(mbuf.texcoords[0], (float *)(m->lump_texcoords.start + (int) m), mbuf.numverts * sizeof(float[2]));
793 memset(&mbuf, 0, sizeof(mbuf));
794 mbuf.numverts = m->numverts;
795 mbuf.numtriangles = renderlist[0];
796 mbuf.transparent = false;
797 mbuf.blendfunc1 = GL_SRC_ALPHA;
798 mbuf.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
799 // FIXME: need alpha mask for fogging...
800 //mbuf.tex[0] = R_GetTexture(texture);
801 if (R_Mesh_Draw_GetBuffer(&mbuf, false))
803 c_alias_polys += mbuf.numtriangles;
804 memcpy(mbuf.index, renderlist + 1, mbuf.numtriangles * sizeof(int[3]));
805 memcpy(mbuf.vertex, aliasvert, mbuf.numverts * sizeof(float[4]));
806 R_FillColors(mbuf.color, mbuf.numverts, fogcolor[0] * mbuf.colorscale, fogcolor[1] * mbuf.colorscale, fogcolor[2] * mbuf.colorscale, ent->alpha * fog);
807 //memcpy(mbuf.texcoords[0], (float *)(m->lump_texcoords.start + (int) m), mbuf.numverts * sizeof(float[2]));
813 void R_DrawZymoticModel (entity_render_t *ent)
819 if (ent->alpha < (1.0f / 64.0f))
820 return; // basically completely transparent
824 m = ent->model->zymdata_header;
825 for (i = 0;i < m->numshaders;i++)
827 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[i];
828 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(texture))
829 R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
831 R_MeshQueue_Add(R_DrawZymoticModelMeshCallback, ent, i);
835 void R_DrawQ1Q2AliasModel(entity_render_t *ent)
837 if (ent->alpha < (1.0f / 64.0f))
838 return; // basically completely transparent
842 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL)
843 R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0);
845 R_MeshQueue_Add(R_DrawQ1Q2AliasModelCallback, ent, 0);