3 #include "cl_collision.h"
5 cvar_t r_quickmodels = {0, "r_quickmodels", "1"};
12 // LordHavoc: vertex arrays
15 float *aliasvertcolorbuf;
16 float *aliasvert; // this may point at aliasvertbuf or at vertex arrays in the mesh backend
17 float *aliasvertcolor; // this may point at aliasvertcolorbuf or at vertex arrays in the mesh backend
19 float *aliasvertcolor2;
22 zymbonematrix *zymbonepose;
24 mempool_t *gl_models_mempool;
26 void gl_models_start(void)
28 // allocate vertex processing arrays
29 gl_models_mempool = Mem_AllocPool("GL_Models");
30 aliasvert = aliasvertbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
31 aliasvertcolor = aliasvertcolorbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
32 aliasvertnorm = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][3]));
33 aliasvertcolor2 = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4])); // used temporarily for tinted coloring
34 zymbonepose = Mem_Alloc(gl_models_mempool, sizeof(zymbonematrix[256]));
35 aliasvertusage = Mem_Alloc(gl_models_mempool, sizeof(int[MD2MAX_VERTS]));
38 void gl_models_shutdown(void)
40 Mem_FreePool(&gl_models_mempool);
43 void gl_models_newmap(void)
47 void GL_Models_Init(void)
49 Cvar_RegisterVariable(&r_quickmodels);
51 R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
55 void R_AliasTransformVerts(int vertcount)
60 while (vertcount >= 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;
65 VectorCopy(av, point);softwaretransform(point, av);av += 4;
70 VectorCopy(av, point);softwaretransform(point, av);av += 4;
76 void R_AliasLerpVerts(int vertcount, float *vertices, float *normals,
77 float lerp1, const trivertx_t *verts1, const vec3_t fscale1, const vec3_t translate1,
78 float lerp2, const trivertx_t *verts2, const vec3_t fscale2, const vec3_t translate2,
79 float lerp3, const trivertx_t *verts3, const vec3_t fscale3, const vec3_t translate3,
80 float lerp4, const trivertx_t *verts4, const vec3_t fscale4, const vec3_t translate4)
83 vec3_t scale1, scale2, scale3, scale4, translate;
84 const float *n1, *n2, *n3, *n4;
88 VectorScale(fscale1, lerp1, scale1);
91 VectorScale(fscale2, lerp2, scale2);
94 VectorScale(fscale3, lerp3, scale3);
97 VectorScale(fscale4, lerp4, scale4);
98 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3 + translate4[0] * lerp4;
99 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3 + translate4[1] * lerp4;
100 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3 + translate4[2] * lerp4;
102 for (i = 0;i < vertcount;i++)
104 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + verts4->v[0] * scale4[0] + translate[0];
105 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + verts4->v[1] * scale4[1] + translate[1];
106 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + verts4->v[2] * scale4[2] + translate[2];
107 n1 = m_bytenormals[verts1->lightnormalindex];
108 n2 = m_bytenormals[verts2->lightnormalindex];
109 n3 = m_bytenormals[verts3->lightnormalindex];
110 n4 = m_bytenormals[verts4->lightnormalindex];
111 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3 + n4[0] * lerp4;
112 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3 + n4[1] * lerp4;
113 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3 + n4[2] * lerp4;
116 verts1++;verts2++;verts3++;verts4++;
121 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3;
122 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3;
123 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3;
125 for (i = 0;i < vertcount;i++)
127 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + translate[0];
128 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + translate[1];
129 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + translate[2];
130 n1 = m_bytenormals[verts1->lightnormalindex];
131 n2 = m_bytenormals[verts2->lightnormalindex];
132 n3 = m_bytenormals[verts3->lightnormalindex];
133 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3;
134 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3;
135 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3;
138 verts1++;verts2++;verts3++;
144 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2;
145 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2;
146 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2;
148 for (i = 0;i < vertcount;i++)
150 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + translate[0];
151 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + translate[1];
152 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + translate[2];
153 n1 = m_bytenormals[verts1->lightnormalindex];
154 n2 = m_bytenormals[verts2->lightnormalindex];
155 avn[0] = n1[0] * lerp1 + n2[0] * lerp2;
156 avn[1] = n1[1] * lerp1 + n2[1] * lerp2;
157 avn[2] = n1[2] * lerp1 + n2[2] * lerp2;
166 translate[0] = translate1[0] * lerp1;
167 translate[1] = translate1[1] * lerp1;
168 translate[2] = translate1[2] * lerp1;
172 // general but almost never used case
173 for (i = 0;i < vertcount;i++)
175 av[0] = verts1->v[0] * scale1[0] + translate[0];
176 av[1] = verts1->v[1] * scale1[1] + translate[1];
177 av[2] = verts1->v[2] * scale1[2] + translate[2];
178 n1 = m_bytenormals[verts1->lightnormalindex];
179 avn[0] = n1[0] * lerp1;
180 avn[1] = n1[1] * lerp1;
181 avn[2] = n1[2] * lerp1;
190 for (i = 0;i < vertcount;i++)
192 av[0] = verts1->v[0] * scale1[0] + translate[0];
193 av[1] = verts1->v[1] * scale1[1] + translate[1];
194 av[2] = verts1->v[2] * scale1[2] + translate[2];
195 VectorCopy(m_bytenormals[verts1->lightnormalindex], avn);
204 skinframe_t *R_FetchSkinFrame(const entity_render_t *ent)
206 model_t *model = ent->model;
207 unsigned int s = (unsigned int) ent->skinnum;
208 if (s >= model->numskins)
210 if (model->skinscenes[s].framecount > 1)
211 return &model->skinframes[model->skinscenes[s].firstframe + (int) (cl.time * 10) % model->skinscenes[s].framecount];
213 return &model->skinframes[model->skinscenes[s].firstframe];
216 void R_LerpMDLMD2Vertices(const entity_render_t *ent, float *vertices, float *normals)
218 const md2frame_t *frame1, *frame2, *frame3, *frame4;
219 const trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
220 const model_t *model = ent->model;
222 frame1 = &model->mdlmd2data_frames[ent->frameblend[0].frame];
223 frame2 = &model->mdlmd2data_frames[ent->frameblend[1].frame];
224 frame3 = &model->mdlmd2data_frames[ent->frameblend[2].frame];
225 frame4 = &model->mdlmd2data_frames[ent->frameblend[3].frame];
226 frame1verts = &model->mdlmd2data_pose[ent->frameblend[0].frame * model->numverts];
227 frame2verts = &model->mdlmd2data_pose[ent->frameblend[1].frame * model->numverts];
228 frame3verts = &model->mdlmd2data_pose[ent->frameblend[2].frame * model->numverts];
229 frame4verts = &model->mdlmd2data_pose[ent->frameblend[3].frame * model->numverts];
230 R_AliasLerpVerts(model->numverts, vertices, normals,
231 ent->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate,
232 ent->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate,
233 ent->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate,
234 ent->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate);
237 void R_DrawQ1Q2AliasModelCallback (const void *calldata1, int calldata2)
239 int i, c, pantsfullbright, shirtfullbright, colormapped, tex;
240 float pantscolor[3], shirtcolor[3];
241 float fog, colorscale;
246 skinframe_t *skinframe;
247 const entity_render_t *ent = calldata1;
248 int blendfunc1, blendfunc2;
250 // softwaretransformforentity(ent);
251 R_Mesh_Matrix(&ent->matrix);
256 VectorSubtract(ent->origin, r_origin, diff);
257 fog = DotProduct(diff,diff);
260 fog = exp(fogdensity/fog);
265 // fog method: darken, additive fog
266 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
267 // 2. render fog as additive
271 R_Mesh_ResizeCheck(model->numverts);
273 skinframe = R_FetchSkinFrame(ent);
275 if (ent->effects & EF_ADDITIVE)
277 blendfunc1 = GL_SRC_ALPHA;
280 else if (ent->alpha != 1.0 || skinframe->fog != NULL)
282 blendfunc1 = GL_SRC_ALPHA;
283 blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
288 blendfunc2 = GL_ZERO;
291 colorscale = r_colorscale;
292 if (gl_combine.integer)
295 if (!skinframe->base && !skinframe->pants && !skinframe->shirt && !skinframe->glow)
298 memset(&m, 0, sizeof(m));
299 m.blendfunc1 = blendfunc1;
300 m.blendfunc2 = blendfunc2;
301 if (gl_combine.integer)
302 m.texrgbscale[0] = 4;
303 m.tex[0] = R_GetTexture(r_notexture);
306 c_alias_polys += model->numtris;
307 for (i = 0;i < model->numverts * 2;i++)
308 varray_texcoord[0][i] = model->mdlmd2data_texcoords[i] * 8.0f;
309 aliasvert = varray_vertex;
310 aliasvertcolor = varray_color;
311 R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm);
312 R_LightModel(ent, model->numverts, colorscale, colorscale, colorscale, false);
313 aliasvert = aliasvertbuf;
314 aliasvertcolor = aliasvertcolorbuf;
315 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
320 colormapped = !skinframe->merged || (ent->colormap >= 0 && skinframe->base && (skinframe->pants || skinframe->shirt));
321 if (!colormapped && !fog && !skinframe->glow && !skinframe->fog)
323 // fastpath for the normal situation (one texture)
324 memset(&m, 0, sizeof(m));
325 m.blendfunc1 = blendfunc1;
326 m.blendfunc2 = blendfunc2;
327 if (gl_combine.integer)
328 m.texrgbscale[0] = 4;
329 m.tex[0] = R_GetTexture(skinframe->merged);
332 c_alias_polys += model->numtris;
333 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
334 aliasvert = varray_vertex;
335 aliasvertcolor = varray_color;
336 R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm);
337 R_LightModel(ent, model->numverts, colorscale, colorscale, colorscale, false);
338 aliasvert = aliasvertbuf;
339 aliasvertcolor = aliasvertcolorbuf;
340 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
344 R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm);
345 R_LightModel(ent, model->numverts, colorscale * (1 - fog), colorscale * (1 - fog), colorscale * (1 - fog), false);
349 // 128-224 are backwards ranges
350 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
351 bcolor = (qbyte *) (&d_8to24table[c]);
352 pantsfullbright = c >= 224;
353 VectorScale(bcolor, (1.0f / 255.0f), pantscolor);
354 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
355 bcolor = (qbyte *) (&d_8to24table[c]);
356 shirtfullbright = c >= 224;
357 VectorScale(bcolor, (1.0f / 255.0f), shirtcolor);
361 pantscolor[0] = pantscolor[1] = pantscolor[2] = shirtcolor[0] = shirtcolor[1] = shirtcolor[2] = 1;
362 pantsfullbright = shirtfullbright = false;
365 tex = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged);
368 memset(&m, 0, sizeof(m));
369 m.blendfunc1 = blendfunc1;
370 m.blendfunc2 = blendfunc2;
371 if (gl_combine.integer)
372 m.texrgbscale[0] = 4;
376 blendfunc1 = GL_SRC_ALPHA;
378 c_alias_polys += model->numtris;
379 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, colorscale, colorscale, colorscale);
380 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
381 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
382 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
387 if (skinframe->pants)
389 tex = R_GetTexture(skinframe->pants);
392 memset(&m, 0, sizeof(m));
393 m.blendfunc1 = blendfunc1;
394 m.blendfunc2 = blendfunc2;
395 if (gl_combine.integer)
396 m.texrgbscale[0] = 4;
400 blendfunc1 = GL_SRC_ALPHA;
402 c_alias_polys += model->numtris;
404 R_FillColors(varray_color, model->numverts, pantscolor[0] * colorscale, pantscolor[1] * colorscale, pantscolor[2] * colorscale, ent->alpha);
406 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, pantscolor[0] * colorscale, pantscolor[1] * colorscale, pantscolor[2] * colorscale);
407 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
408 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
409 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
412 if (skinframe->shirt)
414 tex = R_GetTexture(skinframe->shirt);
417 memset(&m, 0, sizeof(m));
418 m.blendfunc1 = blendfunc1;
419 m.blendfunc2 = blendfunc2;
420 if (gl_combine.integer)
421 m.texrgbscale[0] = 4;
425 blendfunc1 = GL_SRC_ALPHA;
427 c_alias_polys += model->numtris;
429 R_FillColors(varray_color, model->numverts, shirtcolor[0] * colorscale, shirtcolor[1] * colorscale, shirtcolor[2] * colorscale, ent->alpha);
431 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, shirtcolor[0] * colorscale, shirtcolor[1] * colorscale, shirtcolor[2] * colorscale);
432 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
433 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
434 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
440 tex = R_GetTexture(skinframe->glow);
443 memset(&m, 0, sizeof(m));
444 m.blendfunc1 = blendfunc1;
445 m.blendfunc2 = blendfunc2;
449 blendfunc1 = GL_SRC_ALPHA;
451 c_alias_polys += model->numtris;
452 R_FillColors(varray_color, model->numverts, (1 - fog) * r_colorscale, (1 - fog) * r_colorscale, (1 - fog) * r_colorscale, ent->alpha);
453 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
454 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
455 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
460 memset(&m, 0, sizeof(m));
461 m.blendfunc1 = GL_SRC_ALPHA;
462 m.blendfunc2 = GL_ONE;
463 m.tex[0] = R_GetTexture(skinframe->fog);
466 c_alias_polys += model->numtris;
467 R_FillColors(varray_color, model->numverts, fogcolor[0] * fog * r_colorscale, fogcolor[1] * fog * r_colorscale, fogcolor[2] * fog * r_colorscale, ent->alpha);
468 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
469 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
470 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
474 void R_DrawQ1Q2AliasModelFakeShadow (entity_render_t *ent)
479 float *v, lightdirection[3], surfnormal[3], planenormal[3], planedist, floororigin[3], v2[3], offset[3], dist1, dist2, frac;
481 VectorCopy(ent->origin, v2);
483 if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1)
486 R_Mesh_Matrix(&ent->matrix);
489 R_Mesh_ResizeCheck(model->numverts);
491 memset(&m, 0, sizeof(m));
492 m.blendfunc1 = GL_SRC_ALPHA;
493 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
496 c_alias_polys += model->numtris;
497 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
498 R_FillColors(varray_color, model->numverts, 0, 0, 0, 0.5);
500 // put a light direction in the entity's coordinate space
501 lightdirection[0] = 0.3;
502 lightdirection[1] = 0.1;
503 lightdirection[2] = -1;
504 Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, offset);
505 VectorNormalizeFast(offset);
506 VectorScale(offset, 65536.0f, offset);
508 // put the plane's normal in the entity's coordinate space
509 Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, planenormal);
510 VectorNormalizeFast(planenormal);
512 // put the plane's distance in the entity's coordinate space
513 VectorSubtract(floororigin, ent->origin, floororigin);
514 planedist = DotProduct(floororigin, surfnormal) + 1;
516 //Con_Printf("sn: %f %f %f pn: %f %f %f pd: %f\n", surfnormal[0], surfnormal[1], surfnormal[2], planenormal[0], planenormal[1], planenormal[2], planedist);
518 //int count1 = 0, count2 = 0, count3 = 0;
519 for (i = 0, v = varray_vertex;i < model->numverts;i++, v += 4)
521 v2[0] = v[0] + offset[0];
522 v2[1] = v[1] + offset[1];
523 v2[2] = v[2] + offset[2];
524 dist1 = DotProduct(v, planenormal) - planedist;
525 dist2 = DotProduct(v2, planenormal) - planedist;
530 //if (dist1 > 0 != dist2 > 0)
532 if (dist1 > 0 && dist2 < 0)
536 frac = dist1 / (dist1 - dist2);
537 VectorMA(v, frac, offset, v);
540 //Con_Printf("counts %d %d %d\n", count1, count2, count3);
542 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
545 int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
548 float lerp1, lerp2, lerp3, lerp4;
549 zymbonematrix *out, rootmatrix, m;
550 const zymbonematrix *bone1, *bone2, *bone3, *bone4;
553 // LordHavoc: combine transform from zym coordinate space to quake coordinate space with model to world transform matrix
554 rootmatrix.m[0][0] = softwaretransform_matrix[0][1];
555 rootmatrix.m[0][1] = -softwaretransform_matrix[0][0];
556 rootmatrix.m[0][2] = softwaretransform_matrix[0][2];
557 rootmatrix.m[0][3] = softwaretransform_matrix[0][3];
558 rootmatrix.m[1][0] = softwaretransform_matrix[1][1];
559 rootmatrix.m[1][1] = -softwaretransform_matrix[1][0];
560 rootmatrix.m[1][2] = softwaretransform_matrix[1][2];
561 rootmatrix.m[1][3] = softwaretransform_matrix[1][3];
562 rootmatrix.m[2][0] = softwaretransform_matrix[2][1];
563 rootmatrix.m[2][1] = -softwaretransform_matrix[2][0];
564 rootmatrix.m[2][2] = softwaretransform_matrix[2][2];
565 rootmatrix.m[2][3] = softwaretransform_matrix[2][3];
567 rootmatrix.m[0][0] = 1;
568 rootmatrix.m[0][1] = 0;
569 rootmatrix.m[0][2] = 0;
570 rootmatrix.m[0][3] = 0;
571 rootmatrix.m[1][0] = 0;
572 rootmatrix.m[1][1] = 1;
573 rootmatrix.m[1][2] = 0;
574 rootmatrix.m[1][3] = 0;
575 rootmatrix.m[2][0] = 0;
576 rootmatrix.m[2][1] = 0;
577 rootmatrix.m[2][2] = 1;
578 rootmatrix.m[2][3] = 0;
580 bone1 = bonebase + blend[0].frame * count;
581 lerp1 = blend[0].lerp;
584 bone2 = bonebase + blend[1].frame * count;
585 lerp2 = blend[1].lerp;
588 bone3 = bonebase + blend[2].frame * count;
589 lerp3 = blend[2].lerp;
593 bone4 = bonebase + blend[3].frame * count;
594 lerp4 = blend[3].lerp;
595 for (i = 0, out = zymbonepose;i < count;i++, out++)
597 // interpolate matrices
598 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
599 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
600 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
601 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
602 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
603 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
604 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
605 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
606 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
607 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
608 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
609 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
610 if (bone->parent >= 0)
611 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
613 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
624 for (i = 0, out = zymbonepose;i < count;i++, out++)
626 // interpolate matrices
627 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
628 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
629 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
630 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
631 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
632 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
633 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
634 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
635 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
636 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
637 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
638 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
639 if (bone->parent >= 0)
640 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
642 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
653 for (i = 0, out = zymbonepose;i < count;i++, out++)
655 // interpolate matrices
656 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
657 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
658 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
659 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
660 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
661 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
662 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
663 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
664 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
665 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
666 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
667 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
668 if (bone->parent >= 0)
669 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
671 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
684 for (i = 0, out = zymbonepose;i < count;i++, out++)
686 // interpolate matrices
687 m.m[0][0] = bone1->m[0][0] * lerp1;
688 m.m[0][1] = bone1->m[0][1] * lerp1;
689 m.m[0][2] = bone1->m[0][2] * lerp1;
690 m.m[0][3] = bone1->m[0][3] * lerp1;
691 m.m[1][0] = bone1->m[1][0] * lerp1;
692 m.m[1][1] = bone1->m[1][1] * lerp1;
693 m.m[1][2] = bone1->m[1][2] * lerp1;
694 m.m[1][3] = bone1->m[1][3] * lerp1;
695 m.m[2][0] = bone1->m[2][0] * lerp1;
696 m.m[2][1] = bone1->m[2][1] * lerp1;
697 m.m[2][2] = bone1->m[2][2] * lerp1;
698 m.m[2][3] = bone1->m[2][3] * lerp1;
699 if (bone->parent >= 0)
700 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
702 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
710 for (i = 0, out = zymbonepose;i < count;i++, out++)
712 if (bone->parent >= 0)
713 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
715 R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
724 void ZymoticTransformVerts(int vertcount, int *bonecounts, zymvertex_t *vert)
727 float *out = aliasvert;
728 zymbonematrix *matrix;
732 // FIXME: validate bonecounts at load time (must be >= 1)
733 // FIXME: need 4th component in origin, for how much of the translate to blend in
736 matrix = &zymbonepose[vert->bonenum];
737 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];
738 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];
739 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];
747 matrix = &zymbonepose[vert->bonenum];
748 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];
749 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];
750 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];
758 void ZymoticCalcNormals(int vertcount, int shadercount, int *renderlist)
761 float *out, v1[3], v2[3], normal[3], s;
764 memset(aliasvertnorm, 0, sizeof(float) * vertcount * 3);
765 memset(aliasvertusage, 0, sizeof(int) * vertcount);
766 // parse render list and accumulate surface normals
775 v1[0] = aliasvert[a+0] - aliasvert[b+0];
776 v1[1] = aliasvert[a+1] - aliasvert[b+1];
777 v1[2] = aliasvert[a+2] - aliasvert[b+2];
778 v2[0] = aliasvert[c+0] - aliasvert[b+0];
779 v2[1] = aliasvert[c+1] - aliasvert[b+1];
780 v2[2] = aliasvert[c+2] - aliasvert[b+2];
781 CrossProduct(v1, v2, normal);
782 VectorNormalizeFast(normal);
783 // add surface normal to vertices
784 a = renderlist[0] * 3;
785 aliasvertnorm[a+0] += normal[0];
786 aliasvertnorm[a+1] += normal[1];
787 aliasvertnorm[a+2] += normal[2];
788 aliasvertusage[renderlist[0]]++;
789 a = renderlist[1] * 3;
790 aliasvertnorm[a+0] += normal[0];
791 aliasvertnorm[a+1] += normal[1];
792 aliasvertnorm[a+2] += normal[2];
793 aliasvertusage[renderlist[1]]++;
794 a = renderlist[2] * 3;
795 aliasvertnorm[a+0] += normal[0];
796 aliasvertnorm[a+1] += normal[1];
797 aliasvertnorm[a+2] += normal[2];
798 aliasvertusage[renderlist[2]]++;
802 // FIXME: precalc this
803 // average surface normals
820 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
822 float fog, colorscale;
824 int i, *renderlist, *elements;
828 const entity_render_t *ent = calldata1;
829 int shadernum = calldata2;
830 int numverts, numtriangles;
832 R_Mesh_Matrix(&ent->matrix);
834 // find the vertex index list and texture
835 m = ent->model->zymdata_header;
836 renderlist = (int *)(m->lump_render.start + (int) m);
837 for (i = 0;i < shadernum;i++)
838 renderlist += renderlist[0] * 3 + 1;
839 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[shadernum];
841 numverts = m->numverts;
842 numtriangles = *renderlist++;
843 elements = renderlist;
844 R_Mesh_ResizeCheck(numverts);
849 VectorSubtract(ent->origin, r_origin, diff);
850 fog = DotProduct(diff,diff);
853 fog = exp(fogdensity/fog);
858 // fog method: darken, additive fog
859 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
860 // 2. render fog as additive
863 ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), ent->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m));
864 ZymoticTransformVerts(numverts, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m));
865 ZymoticCalcNormals(numverts, m->numshaders, (int *)(m->lump_render.start + (int) m));
867 R_LightModel(ent, numverts, 1 - fog, 1 - fog, 1 - fog, false);
869 memset(&mstate, 0, sizeof(mstate));
870 if (ent->effects & EF_ADDITIVE)
872 mstate.blendfunc1 = GL_SRC_ALPHA;
873 mstate.blendfunc2 = GL_ONE;
875 else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
877 mstate.blendfunc1 = GL_SRC_ALPHA;
878 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
882 mstate.blendfunc1 = GL_ONE;
883 mstate.blendfunc2 = GL_ZERO;
885 colorscale = r_colorscale;
886 if (gl_combine.integer)
888 mstate.texrgbscale[0] = 4;
891 mstate.tex[0] = R_GetTexture(texture);
892 R_Mesh_State(&mstate);
894 c_alias_polys += numtriangles;
895 memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4]));
896 R_ModulateColors(aliasvertcolor, varray_color, numverts, colorscale, colorscale, colorscale);
897 memcpy(varray_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
898 R_Mesh_Draw(numverts, numtriangles, elements);
902 memset(&mstate, 0, sizeof(mstate));
903 mstate.blendfunc1 = GL_SRC_ALPHA;
904 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
905 // FIXME: need alpha mask for fogging...
906 //mstate.tex[0] = R_GetTexture(texture);
907 R_Mesh_State(&mstate);
909 c_alias_polys += numtriangles;
910 memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4]));
911 R_FillColors(varray_color, numverts, fogcolor[0] * r_colorscale, fogcolor[1] * r_colorscale, fogcolor[2] * r_colorscale, ent->alpha * fog);
912 //memcpy(mesh_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
913 R_Mesh_Draw(numverts, numtriangles, elements);
917 void R_DrawZymoticModel (entity_render_t *ent)
923 if (ent->alpha < (1.0f / 64.0f))
924 return; // basically completely transparent
928 m = ent->model->zymdata_header;
929 for (i = 0;i < m->numshaders;i++)
931 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[i];
932 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(texture))
933 R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
935 R_DrawZymoticModelMeshCallback(ent, i);
939 void R_DrawQ1Q2AliasModel(entity_render_t *ent)
941 if (ent->alpha < (1.0f / 64.0f))
942 return; // basically completely transparent
946 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL)
947 R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0);
949 R_DrawQ1Q2AliasModelCallback(ent, 0);