3 #include "cl_collision.h"
6 cvar_t r_quickmodels = {0, "r_quickmodels", "1"};
13 // LordHavoc: vertex arrays
16 float *aliasvertcolorbuf;
17 float *aliasvert; // this may point at aliasvertbuf or at vertex arrays in the mesh backend
18 float *aliasvertcolor; // this may point at aliasvertcolorbuf or at vertex arrays in the mesh backend
20 float *aliasvertcolor2;
23 zymbonematrix *zymbonepose;
25 mempool_t *gl_models_mempool;
27 void gl_models_start(void)
29 // allocate vertex processing arrays
30 gl_models_mempool = Mem_AllocPool("GL_Models");
31 aliasvert = aliasvertbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
32 aliasvertcolor = aliasvertcolorbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
33 aliasvertnorm = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][3]));
34 aliasvertcolor2 = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4])); // used temporarily for tinted coloring
35 zymbonepose = Mem_Alloc(gl_models_mempool, sizeof(zymbonematrix[256]));
36 aliasvertusage = Mem_Alloc(gl_models_mempool, sizeof(int[MD2MAX_VERTS]));
39 void gl_models_shutdown(void)
41 Mem_FreePool(&gl_models_mempool);
44 void gl_models_newmap(void)
48 void GL_Models_Init(void)
50 Cvar_RegisterVariable(&r_quickmodels);
52 R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
56 void R_AliasTransformVerts(int vertcount)
61 while (vertcount >= 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;
66 VectorCopy(av, point);softwaretransform(point, av);av += 4;
71 VectorCopy(av, point);softwaretransform(point, av);av += 4;
77 void R_AliasLerpVerts(int vertcount, float *vertices, float *normals,
78 float lerp1, const trivertx_t *verts1, const vec3_t fscale1, const vec3_t translate1,
79 float lerp2, const trivertx_t *verts2, const vec3_t fscale2, const vec3_t translate2,
80 float lerp3, const trivertx_t *verts3, const vec3_t fscale3, const vec3_t translate3,
81 float lerp4, const trivertx_t *verts4, const vec3_t fscale4, const vec3_t translate4)
84 vec3_t scale1, scale2, scale3, scale4, translate;
85 const float *n1, *n2, *n3, *n4;
89 VectorScale(fscale1, lerp1, scale1);
92 VectorScale(fscale2, lerp2, scale2);
95 VectorScale(fscale3, lerp3, scale3);
98 VectorScale(fscale4, lerp4, scale4);
99 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3 + translate4[0] * lerp4;
100 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3 + translate4[1] * lerp4;
101 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3 + translate4[2] * lerp4;
103 for (i = 0;i < vertcount;i++)
105 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + verts4->v[0] * scale4[0] + translate[0];
106 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + verts4->v[1] * scale4[1] + translate[1];
107 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + verts4->v[2] * scale4[2] + translate[2];
108 n1 = m_bytenormals[verts1->lightnormalindex];
109 n2 = m_bytenormals[verts2->lightnormalindex];
110 n3 = m_bytenormals[verts3->lightnormalindex];
111 n4 = m_bytenormals[verts4->lightnormalindex];
112 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3 + n4[0] * lerp4;
113 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3 + n4[1] * lerp4;
114 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3 + n4[2] * lerp4;
117 verts1++;verts2++;verts3++;verts4++;
122 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3;
123 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3;
124 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3;
126 for (i = 0;i < vertcount;i++)
128 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + translate[0];
129 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + translate[1];
130 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + translate[2];
131 n1 = m_bytenormals[verts1->lightnormalindex];
132 n2 = m_bytenormals[verts2->lightnormalindex];
133 n3 = m_bytenormals[verts3->lightnormalindex];
134 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3;
135 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3;
136 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3;
139 verts1++;verts2++;verts3++;
145 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2;
146 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2;
147 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2;
149 for (i = 0;i < vertcount;i++)
151 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + translate[0];
152 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + translate[1];
153 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + translate[2];
154 n1 = m_bytenormals[verts1->lightnormalindex];
155 n2 = m_bytenormals[verts2->lightnormalindex];
156 avn[0] = n1[0] * lerp1 + n2[0] * lerp2;
157 avn[1] = n1[1] * lerp1 + n2[1] * lerp2;
158 avn[2] = n1[2] * lerp1 + n2[2] * lerp2;
167 translate[0] = translate1[0] * lerp1;
168 translate[1] = translate1[1] * lerp1;
169 translate[2] = translate1[2] * lerp1;
173 // general but almost never used case
174 for (i = 0;i < vertcount;i++)
176 av[0] = verts1->v[0] * scale1[0] + translate[0];
177 av[1] = verts1->v[1] * scale1[1] + translate[1];
178 av[2] = verts1->v[2] * scale1[2] + translate[2];
179 n1 = m_bytenormals[verts1->lightnormalindex];
180 avn[0] = n1[0] * lerp1;
181 avn[1] = n1[1] * lerp1;
182 avn[2] = n1[2] * lerp1;
191 for (i = 0;i < vertcount;i++)
193 av[0] = verts1->v[0] * scale1[0] + translate[0];
194 av[1] = verts1->v[1] * scale1[1] + translate[1];
195 av[2] = verts1->v[2] * scale1[2] + translate[2];
196 VectorCopy(m_bytenormals[verts1->lightnormalindex], avn);
205 skinframe_t *R_FetchSkinFrame(const entity_render_t *ent)
207 model_t *model = ent->model;
208 unsigned int s = (unsigned int) ent->skinnum;
209 if (s >= model->numskins)
211 if (model->skinscenes[s].framecount > 1)
212 return &model->skinframes[model->skinscenes[s].firstframe + (int) (cl.time * 10) % model->skinscenes[s].framecount];
214 return &model->skinframes[model->skinscenes[s].firstframe];
217 void R_LerpMDLMD2Vertices(const entity_render_t *ent, float *vertices, float *normals)
219 const md2frame_t *frame1, *frame2, *frame3, *frame4;
220 const trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
221 const model_t *model = ent->model;
223 frame1 = &model->mdlmd2data_frames[ent->frameblend[0].frame];
224 frame2 = &model->mdlmd2data_frames[ent->frameblend[1].frame];
225 frame3 = &model->mdlmd2data_frames[ent->frameblend[2].frame];
226 frame4 = &model->mdlmd2data_frames[ent->frameblend[3].frame];
227 frame1verts = &model->mdlmd2data_pose[ent->frameblend[0].frame * model->numverts];
228 frame2verts = &model->mdlmd2data_pose[ent->frameblend[1].frame * model->numverts];
229 frame3verts = &model->mdlmd2data_pose[ent->frameblend[2].frame * model->numverts];
230 frame4verts = &model->mdlmd2data_pose[ent->frameblend[3].frame * model->numverts];
231 R_AliasLerpVerts(model->numverts, vertices, normals,
232 ent->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate,
233 ent->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate,
234 ent->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate,
235 ent->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate);
238 void R_DrawQ1Q2AliasModelCallback (const void *calldata1, int calldata2)
240 int i, c, pantsfullbright, shirtfullbright, colormapped, tex;
241 float pantscolor[3], shirtcolor[3];
242 float fog, colorscale;
247 skinframe_t *skinframe;
248 const entity_render_t *ent = calldata1;
249 int blendfunc1, blendfunc2;
251 // softwaretransformforentity(ent);
252 R_Mesh_Matrix(&ent->matrix);
257 VectorSubtract(ent->origin, r_origin, diff);
258 fog = DotProduct(diff,diff);
261 fog = exp(fogdensity/fog);
266 // fog method: darken, additive fog
267 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
268 // 2. render fog as additive
272 R_Mesh_ResizeCheck(model->numverts);
274 skinframe = R_FetchSkinFrame(ent);
276 if (ent->effects & EF_ADDITIVE)
278 blendfunc1 = GL_SRC_ALPHA;
281 else if (ent->alpha != 1.0 || skinframe->fog != NULL)
283 blendfunc1 = GL_SRC_ALPHA;
284 blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
289 blendfunc2 = GL_ZERO;
292 colorscale = r_colorscale;
293 if (gl_combine.integer)
296 if (!skinframe->base && !skinframe->pants && !skinframe->shirt && !skinframe->glow)
299 memset(&m, 0, sizeof(m));
300 m.blendfunc1 = blendfunc1;
301 m.blendfunc2 = blendfunc2;
302 if (gl_combine.integer)
303 m.texrgbscale[0] = 4;
304 m.tex[0] = R_GetTexture(r_notexture);
307 c_alias_polys += model->numtris;
308 for (i = 0;i < model->numverts * 2;i++)
309 varray_texcoord[0][i] = model->mdlmd2data_texcoords[i] * 8.0f;
310 aliasvert = varray_vertex;
311 aliasvertcolor = varray_color;
312 R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm);
313 R_LightModel(ent, model->numverts, colorscale, colorscale, colorscale, false);
314 aliasvert = aliasvertbuf;
315 aliasvertcolor = aliasvertcolorbuf;
316 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
321 colormapped = !skinframe->merged || (ent->colormap >= 0 && skinframe->base && (skinframe->pants || skinframe->shirt));
322 if (!colormapped && !fog && !skinframe->glow && !skinframe->fog)
324 // fastpath for the normal situation (one texture)
325 memset(&m, 0, sizeof(m));
326 m.blendfunc1 = blendfunc1;
327 m.blendfunc2 = blendfunc2;
328 if (gl_combine.integer)
329 m.texrgbscale[0] = 4;
330 m.tex[0] = R_GetTexture(skinframe->merged);
333 c_alias_polys += model->numtris;
334 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
335 aliasvert = varray_vertex;
336 aliasvertcolor = varray_color;
337 R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm);
338 R_LightModel(ent, model->numverts, colorscale, colorscale, colorscale, false);
339 aliasvert = aliasvertbuf;
340 aliasvertcolor = aliasvertcolorbuf;
341 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
345 R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm);
346 R_LightModel(ent, model->numverts, colorscale * (1 - fog), colorscale * (1 - fog), colorscale * (1 - fog), false);
350 // 128-224 are backwards ranges
351 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
352 bcolor = (qbyte *) (&d_8to24table[c]);
353 pantsfullbright = c >= 224;
354 VectorScale(bcolor, (1.0f / 255.0f), pantscolor);
355 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
356 bcolor = (qbyte *) (&d_8to24table[c]);
357 shirtfullbright = c >= 224;
358 VectorScale(bcolor, (1.0f / 255.0f), shirtcolor);
362 pantscolor[0] = pantscolor[1] = pantscolor[2] = shirtcolor[0] = shirtcolor[1] = shirtcolor[2] = 1;
363 pantsfullbright = shirtfullbright = false;
366 tex = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged);
369 memset(&m, 0, sizeof(m));
370 m.blendfunc1 = blendfunc1;
371 m.blendfunc2 = blendfunc2;
372 if (gl_combine.integer)
373 m.texrgbscale[0] = 4;
377 blendfunc1 = GL_SRC_ALPHA;
379 c_alias_polys += model->numtris;
380 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, colorscale, colorscale, colorscale);
381 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
382 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
383 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
388 if (skinframe->pants)
390 tex = R_GetTexture(skinframe->pants);
393 memset(&m, 0, sizeof(m));
394 m.blendfunc1 = blendfunc1;
395 m.blendfunc2 = blendfunc2;
396 if (gl_combine.integer)
397 m.texrgbscale[0] = 4;
401 blendfunc1 = GL_SRC_ALPHA;
403 c_alias_polys += model->numtris;
405 R_FillColors(varray_color, model->numverts, pantscolor[0] * colorscale, pantscolor[1] * colorscale, pantscolor[2] * colorscale, ent->alpha);
407 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, pantscolor[0] * colorscale, pantscolor[1] * colorscale, pantscolor[2] * colorscale);
408 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
409 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
410 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
413 if (skinframe->shirt)
415 tex = R_GetTexture(skinframe->shirt);
418 memset(&m, 0, sizeof(m));
419 m.blendfunc1 = blendfunc1;
420 m.blendfunc2 = blendfunc2;
421 if (gl_combine.integer)
422 m.texrgbscale[0] = 4;
426 blendfunc1 = GL_SRC_ALPHA;
428 c_alias_polys += model->numtris;
430 R_FillColors(varray_color, model->numverts, shirtcolor[0] * colorscale, shirtcolor[1] * colorscale, shirtcolor[2] * colorscale, ent->alpha);
432 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, shirtcolor[0] * colorscale, shirtcolor[1] * colorscale, shirtcolor[2] * colorscale);
433 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
434 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
435 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
441 tex = R_GetTexture(skinframe->glow);
444 memset(&m, 0, sizeof(m));
445 m.blendfunc1 = blendfunc1;
446 m.blendfunc2 = blendfunc2;
450 blendfunc1 = GL_SRC_ALPHA;
452 c_alias_polys += model->numtris;
453 R_FillColors(varray_color, model->numverts, (1 - fog) * r_colorscale, (1 - fog) * r_colorscale, (1 - fog) * r_colorscale, ent->alpha);
454 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
455 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
456 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
461 memset(&m, 0, sizeof(m));
462 m.blendfunc1 = GL_SRC_ALPHA;
463 m.blendfunc2 = GL_ONE;
464 m.tex[0] = R_GetTexture(skinframe->fog);
467 c_alias_polys += model->numtris;
468 R_FillColors(varray_color, model->numverts, fogcolor[0] * fog * r_colorscale, fogcolor[1] * fog * r_colorscale, fogcolor[2] * fog * r_colorscale, ent->alpha);
469 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
470 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
471 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
475 extern cvar_t r_shadows;
476 void R_DrawQ1Q2AliasModelFakeShadow (entity_render_t *ent)
481 float *v, planenormal[3], planedist, dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3];
483 if (r_shadows.integer > 1)
487 for (i = 0;i < r_numdlights;i++)
489 if (ent != r_dlight[i].ent)
491 VectorSubtract(ent->origin, r_dlight[i].origin, temp);
492 f = DotProduct(temp,temp);
493 if (f < (ent->model->radius2 + r_dlight[i].cullradius2))
496 R_Mesh_ResizeCheck(model->numverts * 2);
497 memset(&m, 0, sizeof(m));
498 m.blendfunc1 = GL_ONE;
499 m.blendfunc2 = GL_ONE;
501 R_Mesh_Matrix(&ent->matrix);
502 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
503 R_FillColors(varray_color, model->numverts * 2, 0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1);
504 Matrix4x4_Transform(&ent->inversematrix, r_dlight[i].origin, temp);
505 R_ShadowVolume(model->numverts, model->numtris, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, r_dlight[i].cullradius + model->radius - sqrt(f));
511 lightdirection[0] = 0.5;
512 lightdirection[1] = 0.2;
513 lightdirection[2] = -1;
514 VectorNormalizeFast(lightdirection);
516 VectorMA(ent->origin, 65536.0f, lightdirection, v2);
517 if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1)
520 R_Mesh_Matrix(&ent->matrix);
523 R_Mesh_ResizeCheck(model->numverts);
525 memset(&m, 0, sizeof(m));
526 m.blendfunc1 = GL_SRC_ALPHA;
527 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
530 c_alias_polys += model->numtris;
531 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
532 R_FillColors(varray_color, model->numverts, 0, 0, 0, 0.5);
534 // put a light direction in the entity's coordinate space
535 Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, projection);
536 VectorNormalizeFast(projection);
538 // put the plane's normal in the entity's coordinate space
539 Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, planenormal);
540 VectorNormalizeFast(planenormal);
542 // put the plane's distance in the entity's coordinate space
543 VectorSubtract(floororigin, ent->origin, floororigin);
544 planedist = DotProduct(floororigin, surfnormal) + 2;
546 dist = -1.0f / DotProduct(projection, planenormal);
547 VectorScale(projection, dist, projection);
548 for (i = 0, v = varray_vertex;i < model->numverts;i++, v += 4)
550 dist = DotProduct(v, planenormal) - planedist;
553 VectorMA(v, dist, projection, v);
555 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
558 int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
561 float lerp1, lerp2, lerp3, lerp4;
562 zymbonematrix *out, rootmatrix, m;
563 const zymbonematrix *bone1, *bone2, *bone3, *bone4;
566 // LordHavoc: combine transform from zym coordinate space to quake coordinate space with model to world transform matrix
567 rootmatrix.m[0][0] = softwaretransform_matrix[0][1];
568 rootmatrix.m[0][1] = -softwaretransform_matrix[0][0];
569 rootmatrix.m[0][2] = softwaretransform_matrix[0][2];
570 rootmatrix.m[0][3] = softwaretransform_matrix[0][3];
571 rootmatrix.m[1][0] = softwaretransform_matrix[1][1];
572 rootmatrix.m[1][1] = -softwaretransform_matrix[1][0];
573 rootmatrix.m[1][2] = softwaretransform_matrix[1][2];
574 rootmatrix.m[1][3] = softwaretransform_matrix[1][3];
575 rootmatrix.m[2][0] = softwaretransform_matrix[2][1];
576 rootmatrix.m[2][1] = -softwaretransform_matrix[2][0];
577 rootmatrix.m[2][2] = softwaretransform_matrix[2][2];
578 rootmatrix.m[2][3] = softwaretransform_matrix[2][3];
580 rootmatrix.m[0][0] = 1;
581 rootmatrix.m[0][1] = 0;
582 rootmatrix.m[0][2] = 0;
583 rootmatrix.m[0][3] = 0;
584 rootmatrix.m[1][0] = 0;
585 rootmatrix.m[1][1] = 1;
586 rootmatrix.m[1][2] = 0;
587 rootmatrix.m[1][3] = 0;
588 rootmatrix.m[2][0] = 0;
589 rootmatrix.m[2][1] = 0;
590 rootmatrix.m[2][2] = 1;
591 rootmatrix.m[2][3] = 0;
593 bone1 = bonebase + blend[0].frame * count;
594 lerp1 = blend[0].lerp;
597 bone2 = bonebase + blend[1].frame * count;
598 lerp2 = blend[1].lerp;
601 bone3 = bonebase + blend[2].frame * count;
602 lerp3 = blend[2].lerp;
606 bone4 = bonebase + blend[3].frame * count;
607 lerp4 = blend[3].lerp;
608 for (i = 0, out = zymbonepose;i < count;i++, out++)
610 // interpolate matrices
611 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
612 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
613 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
614 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
615 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
616 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
617 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
618 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
619 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
620 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
621 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
622 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
623 if (bone->parent >= 0)
624 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
626 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
637 for (i = 0, out = zymbonepose;i < count;i++, out++)
639 // interpolate matrices
640 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
641 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
642 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
643 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
644 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
645 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
646 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
647 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
648 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
649 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
650 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
651 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
652 if (bone->parent >= 0)
653 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
655 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
666 for (i = 0, out = zymbonepose;i < count;i++, out++)
668 // interpolate matrices
669 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
670 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
671 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
672 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
673 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
674 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
675 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
676 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
677 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
678 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
679 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
680 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
681 if (bone->parent >= 0)
682 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
684 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
697 for (i = 0, out = zymbonepose;i < count;i++, out++)
699 // interpolate matrices
700 m.m[0][0] = bone1->m[0][0] * lerp1;
701 m.m[0][1] = bone1->m[0][1] * lerp1;
702 m.m[0][2] = bone1->m[0][2] * lerp1;
703 m.m[0][3] = bone1->m[0][3] * lerp1;
704 m.m[1][0] = bone1->m[1][0] * lerp1;
705 m.m[1][1] = bone1->m[1][1] * lerp1;
706 m.m[1][2] = bone1->m[1][2] * lerp1;
707 m.m[1][3] = bone1->m[1][3] * lerp1;
708 m.m[2][0] = bone1->m[2][0] * lerp1;
709 m.m[2][1] = bone1->m[2][1] * lerp1;
710 m.m[2][2] = bone1->m[2][2] * lerp1;
711 m.m[2][3] = bone1->m[2][3] * lerp1;
712 if (bone->parent >= 0)
713 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
715 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
723 for (i = 0, out = zymbonepose;i < count;i++, out++)
725 if (bone->parent >= 0)
726 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
728 R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
737 void ZymoticTransformVerts(int vertcount, int *bonecounts, zymvertex_t *vert)
740 float *out = aliasvert;
741 zymbonematrix *matrix;
745 // FIXME: validate bonecounts at load time (must be >= 1)
746 // FIXME: need 4th component in origin, for how much of the translate to blend in
749 matrix = &zymbonepose[vert->bonenum];
750 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];
751 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];
752 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];
760 matrix = &zymbonepose[vert->bonenum];
761 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];
762 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];
763 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];
771 void ZymoticCalcNormals(int vertcount, int shadercount, int *renderlist)
774 float *out, v1[3], v2[3], normal[3], s;
777 memset(aliasvertnorm, 0, sizeof(float) * vertcount * 3);
778 memset(aliasvertusage, 0, sizeof(int) * vertcount);
779 // parse render list and accumulate surface normals
788 v1[0] = aliasvert[a+0] - aliasvert[b+0];
789 v1[1] = aliasvert[a+1] - aliasvert[b+1];
790 v1[2] = aliasvert[a+2] - aliasvert[b+2];
791 v2[0] = aliasvert[c+0] - aliasvert[b+0];
792 v2[1] = aliasvert[c+1] - aliasvert[b+1];
793 v2[2] = aliasvert[c+2] - aliasvert[b+2];
794 CrossProduct(v1, v2, normal);
795 VectorNormalizeFast(normal);
796 // add surface normal to vertices
797 a = renderlist[0] * 3;
798 aliasvertnorm[a+0] += normal[0];
799 aliasvertnorm[a+1] += normal[1];
800 aliasvertnorm[a+2] += normal[2];
801 aliasvertusage[renderlist[0]]++;
802 a = renderlist[1] * 3;
803 aliasvertnorm[a+0] += normal[0];
804 aliasvertnorm[a+1] += normal[1];
805 aliasvertnorm[a+2] += normal[2];
806 aliasvertusage[renderlist[1]]++;
807 a = renderlist[2] * 3;
808 aliasvertnorm[a+0] += normal[0];
809 aliasvertnorm[a+1] += normal[1];
810 aliasvertnorm[a+2] += normal[2];
811 aliasvertusage[renderlist[2]]++;
815 // FIXME: precalc this
816 // average surface normals
833 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
835 float fog, colorscale;
837 int i, *renderlist, *elements;
841 const entity_render_t *ent = calldata1;
842 int shadernum = calldata2;
843 int numverts, numtriangles;
845 R_Mesh_Matrix(&ent->matrix);
847 // find the vertex index list and texture
848 m = ent->model->zymdata_header;
849 renderlist = (int *)(m->lump_render.start + (int) m);
850 for (i = 0;i < shadernum;i++)
851 renderlist += renderlist[0] * 3 + 1;
852 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[shadernum];
854 numverts = m->numverts;
855 numtriangles = *renderlist++;
856 elements = renderlist;
857 R_Mesh_ResizeCheck(numverts);
862 VectorSubtract(ent->origin, r_origin, diff);
863 fog = DotProduct(diff,diff);
866 fog = exp(fogdensity/fog);
871 // fog method: darken, additive fog
872 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
873 // 2. render fog as additive
876 ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), ent->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m));
877 ZymoticTransformVerts(numverts, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m));
878 ZymoticCalcNormals(numverts, m->numshaders, (int *)(m->lump_render.start + (int) m));
880 R_LightModel(ent, numverts, 1 - fog, 1 - fog, 1 - fog, false);
882 memset(&mstate, 0, sizeof(mstate));
883 if (ent->effects & EF_ADDITIVE)
885 mstate.blendfunc1 = GL_SRC_ALPHA;
886 mstate.blendfunc2 = GL_ONE;
888 else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
890 mstate.blendfunc1 = GL_SRC_ALPHA;
891 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
895 mstate.blendfunc1 = GL_ONE;
896 mstate.blendfunc2 = GL_ZERO;
898 colorscale = r_colorscale;
899 if (gl_combine.integer)
901 mstate.texrgbscale[0] = 4;
904 mstate.tex[0] = R_GetTexture(texture);
905 R_Mesh_State(&mstate);
907 c_alias_polys += numtriangles;
908 memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4]));
909 R_ModulateColors(aliasvertcolor, varray_color, numverts, colorscale, colorscale, colorscale);
910 memcpy(varray_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
911 R_Mesh_Draw(numverts, numtriangles, elements);
915 memset(&mstate, 0, sizeof(mstate));
916 mstate.blendfunc1 = GL_SRC_ALPHA;
917 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
918 // FIXME: need alpha mask for fogging...
919 //mstate.tex[0] = R_GetTexture(texture);
920 R_Mesh_State(&mstate);
922 c_alias_polys += numtriangles;
923 memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4]));
924 R_FillColors(varray_color, numverts, fogcolor[0] * r_colorscale, fogcolor[1] * r_colorscale, fogcolor[2] * r_colorscale, ent->alpha * fog);
925 //memcpy(mesh_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
926 R_Mesh_Draw(numverts, numtriangles, elements);
930 void R_DrawZymoticModel (entity_render_t *ent)
936 if (ent->alpha < (1.0f / 64.0f))
937 return; // basically completely transparent
941 m = ent->model->zymdata_header;
942 for (i = 0;i < m->numshaders;i++)
944 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[i];
945 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(texture))
946 R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
948 R_DrawZymoticModelMeshCallback(ent, i);
952 void R_DrawQ1Q2AliasModel(entity_render_t *ent)
954 if (ent->alpha < (1.0f / 64.0f))
955 return; // basically completely transparent
959 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL)
960 R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0);
962 R_DrawQ1Q2AliasModelCallback(ent, 0);