3 #include "cl_collision.h"
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 R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
51 void R_AliasLerpVerts(int vertcount, float *vertices, float *normals,
52 float lerp1, const trivertx_t *verts1, const vec3_t fscale1, const vec3_t translate1,
53 float lerp2, const trivertx_t *verts2, const vec3_t fscale2, const vec3_t translate2,
54 float lerp3, const trivertx_t *verts3, const vec3_t fscale3, const vec3_t translate3,
55 float lerp4, const trivertx_t *verts4, const vec3_t fscale4, const vec3_t translate4)
58 vec3_t scale1, scale2, scale3, scale4, translate;
59 const float *n1, *n2, *n3, *n4;
63 VectorScale(fscale1, lerp1, scale1);
66 VectorScale(fscale2, lerp2, scale2);
69 VectorScale(fscale3, lerp3, scale3);
72 VectorScale(fscale4, lerp4, scale4);
73 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3 + translate4[0] * lerp4;
74 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3 + translate4[1] * lerp4;
75 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3 + translate4[2] * lerp4;
77 for (i = 0;i < vertcount;i++)
79 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + verts4->v[0] * scale4[0] + translate[0];
80 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + verts4->v[1] * scale4[1] + translate[1];
81 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + verts4->v[2] * scale4[2] + translate[2];
82 n1 = m_bytenormals[verts1->lightnormalindex];
83 n2 = m_bytenormals[verts2->lightnormalindex];
84 n3 = m_bytenormals[verts3->lightnormalindex];
85 n4 = m_bytenormals[verts4->lightnormalindex];
86 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3 + n4[0] * lerp4;
87 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3 + n4[1] * lerp4;
88 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3 + n4[2] * lerp4;
91 verts1++;verts2++;verts3++;verts4++;
96 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3;
97 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3;
98 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3;
100 for (i = 0;i < vertcount;i++)
102 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + translate[0];
103 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + translate[1];
104 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + translate[2];
105 n1 = m_bytenormals[verts1->lightnormalindex];
106 n2 = m_bytenormals[verts2->lightnormalindex];
107 n3 = m_bytenormals[verts3->lightnormalindex];
108 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3;
109 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3;
110 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3;
113 verts1++;verts2++;verts3++;
119 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2;
120 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2;
121 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2;
123 for (i = 0;i < vertcount;i++)
125 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + translate[0];
126 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + translate[1];
127 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + translate[2];
128 n1 = m_bytenormals[verts1->lightnormalindex];
129 n2 = m_bytenormals[verts2->lightnormalindex];
130 avn[0] = n1[0] * lerp1 + n2[0] * lerp2;
131 avn[1] = n1[1] * lerp1 + n2[1] * lerp2;
132 avn[2] = n1[2] * lerp1 + n2[2] * lerp2;
141 translate[0] = translate1[0] * lerp1;
142 translate[1] = translate1[1] * lerp1;
143 translate[2] = translate1[2] * lerp1;
147 // general but almost never used case
148 for (i = 0;i < vertcount;i++)
150 av[0] = verts1->v[0] * scale1[0] + translate[0];
151 av[1] = verts1->v[1] * scale1[1] + translate[1];
152 av[2] = verts1->v[2] * scale1[2] + translate[2];
153 n1 = m_bytenormals[verts1->lightnormalindex];
154 avn[0] = n1[0] * lerp1;
155 avn[1] = n1[1] * lerp1;
156 avn[2] = n1[2] * lerp1;
165 for (i = 0;i < vertcount;i++)
167 av[0] = verts1->v[0] * scale1[0] + translate[0];
168 av[1] = verts1->v[1] * scale1[1] + translate[1];
169 av[2] = verts1->v[2] * scale1[2] + translate[2];
170 VectorCopy(m_bytenormals[verts1->lightnormalindex], avn);
179 skinframe_t *R_FetchSkinFrame(const entity_render_t *ent)
181 model_t *model = ent->model;
182 unsigned int s = (unsigned int) ent->skinnum;
183 if (s >= model->numskins)
185 if (model->skinscenes[s].framecount > 1)
186 return &model->skinframes[model->skinscenes[s].firstframe + (int) (cl.time * 10) % model->skinscenes[s].framecount];
188 return &model->skinframes[model->skinscenes[s].firstframe];
191 void R_LerpMDLMD2Vertices(const entity_render_t *ent, float *vertices, float *normals)
193 const md2frame_t *frame1, *frame2, *frame3, *frame4;
194 const trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
195 const model_t *model = ent->model;
197 frame1 = &model->mdlmd2data_frames[ent->frameblend[0].frame];
198 frame2 = &model->mdlmd2data_frames[ent->frameblend[1].frame];
199 frame3 = &model->mdlmd2data_frames[ent->frameblend[2].frame];
200 frame4 = &model->mdlmd2data_frames[ent->frameblend[3].frame];
201 frame1verts = &model->mdlmd2data_pose[ent->frameblend[0].frame * model->numverts];
202 frame2verts = &model->mdlmd2data_pose[ent->frameblend[1].frame * model->numverts];
203 frame3verts = &model->mdlmd2data_pose[ent->frameblend[2].frame * model->numverts];
204 frame4verts = &model->mdlmd2data_pose[ent->frameblend[3].frame * model->numverts];
205 R_AliasLerpVerts(model->numverts, vertices, normals,
206 ent->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate,
207 ent->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate,
208 ent->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate,
209 ent->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate);
212 void R_DrawQ1Q2AliasModelCallback (const void *calldata1, int calldata2)
214 int i, c, fullbright, pantsfullbright, shirtfullbright, colormapped, tex;
215 float pantscolor[3], shirtcolor[3];
216 float fog, ifog, colorscale;
221 skinframe_t *skinframe;
222 const entity_render_t *ent = calldata1;
223 int blendfunc1, blendfunc2;
225 R_Mesh_Matrix(&ent->matrix);
228 R_Mesh_ResizeCheck(model->numverts);
230 skinframe = R_FetchSkinFrame(ent);
232 fullbright = (ent->effects & EF_FULLBRIGHT) != 0;
237 VectorSubtract(ent->origin, r_origin, diff);
238 fog = DotProduct(diff,diff);
241 fog = exp(fogdensity/fog);
246 // fog method: darken, additive fog
247 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
248 // 2. render fog as additive
252 if (ent->effects & EF_ADDITIVE)
254 blendfunc1 = GL_SRC_ALPHA;
257 else if (ent->alpha != 1.0 || skinframe->fog != NULL)
259 blendfunc1 = GL_SRC_ALPHA;
260 blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
265 blendfunc2 = GL_ZERO;
268 if (!skinframe->base && !skinframe->pants && !skinframe->shirt && !skinframe->glow)
271 memset(&m, 0, sizeof(m));
272 m.blendfunc1 = blendfunc1;
273 m.blendfunc2 = blendfunc2;
274 colorscale = r_colorscale;
275 if (gl_combine.integer)
278 m.texrgbscale[0] = 4;
280 m.tex[0] = R_GetTexture(r_notexture);
282 c_alias_polys += model->numtris;
283 for (i = 0;i < model->numverts * 2;i++)
284 varray_texcoord[0][i] = model->mdlmd2data_texcoords[i] * 8.0f;
285 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
286 R_LightModel(ent, model->numverts, varray_vertex, aliasvertnorm, varray_color, colorscale, colorscale, colorscale, false);
288 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
292 colormapped = !skinframe->merged || (ent->colormap >= 0 && skinframe->base && (skinframe->pants || skinframe->shirt));
295 // 128-224 are backwards ranges
296 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
297 bcolor = (qbyte *) (&d_8to24table[c]);
298 pantsfullbright = c >= 224;
299 VectorScale(bcolor, (1.0f / 255.0f), pantscolor);
300 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
301 bcolor = (qbyte *) (&d_8to24table[c]);
302 shirtfullbright = c >= 224;
303 VectorScale(bcolor, (1.0f / 255.0f), shirtcolor);
307 pantscolor[0] = pantscolor[1] = pantscolor[2] = shirtcolor[0] = shirtcolor[1] = shirtcolor[2] = 1;
308 pantsfullbright = shirtfullbright = false;
311 tex = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged);
314 memset(&m, 0, sizeof(m));
315 m.blendfunc1 = blendfunc1;
316 m.blendfunc2 = blendfunc2;
317 colorscale = r_colorscale;
318 if (gl_combine.integer)
321 m.texrgbscale[0] = 4;
325 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
326 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
328 GL_Color(colorscale * ifog, colorscale * ifog, colorscale * ifog, ent->alpha);
332 R_LightModel(ent, model->numverts, varray_vertex, aliasvertnorm, varray_color, colorscale * ifog, colorscale * ifog, colorscale * ifog, false);
334 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
335 c_alias_polys += model->numtris;
336 blendfunc1 = GL_SRC_ALPHA;
342 if (skinframe->pants)
344 tex = R_GetTexture(skinframe->pants);
347 memset(&m, 0, sizeof(m));
348 m.blendfunc1 = blendfunc1;
349 m.blendfunc2 = blendfunc2;
350 colorscale = r_colorscale;
351 if (gl_combine.integer)
354 m.texrgbscale[0] = 4;
358 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
359 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
361 GL_Color(pantscolor[0] * colorscale * ifog, pantscolor[1] * colorscale * ifog, pantscolor[2] * colorscale * ifog, ent->alpha);
365 R_LightModel(ent, model->numverts, varray_vertex, aliasvertnorm, varray_color, pantscolor[0] * colorscale * ifog, pantscolor[1] * colorscale * ifog, pantscolor[2] * colorscale * ifog, false);
367 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
368 c_alias_polys += model->numtris;
369 blendfunc1 = GL_SRC_ALPHA;
373 if (skinframe->shirt)
375 tex = R_GetTexture(skinframe->shirt);
378 memset(&m, 0, sizeof(m));
379 m.blendfunc1 = blendfunc1;
380 m.blendfunc2 = blendfunc2;
381 colorscale = r_colorscale;
382 if (gl_combine.integer)
385 m.texrgbscale[0] = 4;
389 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
390 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
392 GL_Color(shirtcolor[0] * colorscale * ifog, shirtcolor[1] * colorscale * ifog, shirtcolor[2] * colorscale * ifog, ent->alpha);
396 R_LightModel(ent, model->numverts, varray_vertex, aliasvertnorm, varray_color, shirtcolor[0] * colorscale * ifog, shirtcolor[1] * colorscale * ifog, shirtcolor[2] * colorscale * ifog, false);
398 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
399 c_alias_polys += model->numtris;
400 blendfunc1 = GL_SRC_ALPHA;
407 tex = R_GetTexture(skinframe->glow);
410 memset(&m, 0, sizeof(m));
411 m.blendfunc1 = blendfunc1;
412 m.blendfunc2 = blendfunc2;
416 blendfunc1 = GL_SRC_ALPHA;
418 c_alias_polys += model->numtris;
419 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
420 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
421 GL_Color(ifog * r_colorscale, ifog * r_colorscale, ifog * r_colorscale, ent->alpha);
422 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
427 memset(&m, 0, sizeof(m));
428 m.blendfunc1 = GL_SRC_ALPHA;
429 m.blendfunc2 = GL_ONE;
430 m.tex[0] = R_GetTexture(skinframe->fog);
433 c_alias_polys += model->numtris;
434 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
435 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
436 GL_Color(fogcolor[0] * fog * r_colorscale, fogcolor[1] * fog * r_colorscale, fogcolor[2] * fog * r_colorscale, ent->alpha);
437 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
441 void R_Model_Alias_Draw(entity_render_t *ent)
443 if (ent->alpha < (1.0f / 64.0f))
444 return; // basically completely transparent
448 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL)
449 R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0);
451 R_DrawQ1Q2AliasModelCallback(ent, 0);
454 extern cvar_t r_shadows;
455 void R_Model_Alias_DrawFakeShadow (entity_render_t *ent)
460 float *v, planenormal[3], planedist, dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3];
463 if (r_shadows.integer > 1)
465 float f, lightscale, lightcolor[3];
469 memset(&m, 0, sizeof(m));
470 m.blendfunc1 = GL_ONE;
471 m.blendfunc2 = GL_ONE;
473 R_Mesh_Matrix(&ent->matrix);
474 for (i = 0, sl = cl.worldmodel->lights;i < cl.worldmodel->numlights;i++, sl++)
476 if (d_lightstylevalue[sl->style] > 0)
478 VectorSubtract(ent->origin, sl->origin, temp);
479 f = DotProduct(temp,temp);
480 if (f < (ent->model->radius2 + sl->cullradius2))
483 R_Mesh_ResizeCheck(model->numverts * 2);
484 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
485 Matrix4x4_Transform(&ent->inversematrix, sl->origin, temp);
486 GL_Color(0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1);
487 R_Shadow_Volume(model->numverts, model->numtris, varray_vertex, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, sl->cullradius + model->radius - sqrt(f), true);
489 lightscale = d_lightstylevalue[sl->style] * (1.0f / 65536.0f);
490 VectorScale(sl->light, lightscale, lightcolor);
491 R_Shadow_VertexLight(model->numverts, varray_vertex, aliasvertnorm, temp, sl->cullradius2, sl->distbias, sl->subtract, lightcolor);
492 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
496 for (i = 0, rd = r_dlight;i < r_numdlights;i++, rd++)
500 VectorSubtract(ent->origin, rd->origin, temp);
501 f = DotProduct(temp,temp);
502 if (f < (ent->model->radius2 + rd->cullradius2))
505 R_Mesh_ResizeCheck(model->numverts * 2);
506 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
507 Matrix4x4_Transform(&ent->inversematrix, rd->origin, temp);
508 GL_Color(0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1);
509 R_Shadow_Volume(model->numverts, model->numtris, varray_vertex, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, rd->cullradius + model->radius - sqrt(f), true);
511 R_Shadow_VertexLight(model->numverts, varray_vertex, aliasvertnorm, temp, rd->cullradius2, LIGHTOFFSET, rd->subtract, rd->light);
512 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
520 lightdirection[0] = 0.5;
521 lightdirection[1] = 0.2;
522 lightdirection[2] = -1;
523 VectorNormalizeFast(lightdirection);
525 VectorMA(ent->origin, 65536.0f, lightdirection, v2);
526 if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1)
529 R_Mesh_Matrix(&ent->matrix);
532 R_Mesh_ResizeCheck(model->numverts);
534 memset(&m, 0, sizeof(m));
535 m.blendfunc1 = GL_SRC_ALPHA;
536 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
539 c_alias_polys += model->numtris;
540 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
542 // put a light direction in the entity's coordinate space
543 Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, projection);
544 VectorNormalizeFast(projection);
546 // put the plane's normal in the entity's coordinate space
547 Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, planenormal);
548 VectorNormalizeFast(planenormal);
550 // put the plane's distance in the entity's coordinate space
551 VectorSubtract(floororigin, ent->origin, floororigin);
552 planedist = DotProduct(floororigin, surfnormal) + 2;
554 dist = -1.0f / DotProduct(projection, planenormal);
555 VectorScale(projection, dist, projection);
556 for (i = 0, v = varray_vertex;i < model->numverts;i++, v += 4)
558 dist = DotProduct(v, planenormal) - planedist;
561 VectorMA(v, dist, projection, v);
563 GL_Color(0, 0, 0, 0.5);
564 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
567 void R_Model_Alias_DrawDepth(entity_render_t *ent)
569 R_Mesh_ResizeCheck(ent->model->numverts);
570 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
571 R_Mesh_Draw(ent->model->numverts, ent->model->numtris, ent->model->mdlmd2data_indices);
574 void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int visiblevolume)
576 float projectdistance;
577 projectdistance = lightradius + ent->model->radius - sqrt(DotProduct(relativelightorigin, relativelightorigin));
578 if (projectdistance > 0.1)
580 R_Mesh_ResizeCheck(ent->model->numverts * 2);
581 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
582 R_Shadow_Volume(ent->model->numverts, ent->model->numtris, varray_vertex, ent->model->mdlmd2data_indices, ent->model->mdlmd2data_triangleneighbors, relativelightorigin, lightradius, projectdistance, visiblevolume);
586 void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, float lightdistbias, float lightsubtract, float *lightcolor)
588 R_Mesh_ResizeCheck(ent->model->numverts);
589 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
590 R_Shadow_VertexLight(ent->model->numverts, varray_vertex, aliasvertnorm, relativelightorigin, lightradius * lightradius, lightdistbias, lightsubtract, lightcolor);
592 R_Mesh_Draw(ent->model->numverts, ent->model->numtris, ent->model->mdlmd2data_indices);
595 void R_Model_Alias_DrawOntoLight(entity_render_t *ent)
600 int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
603 float lerp1, lerp2, lerp3, lerp4;
604 zymbonematrix *out, rootmatrix, m;
605 const zymbonematrix *bone1, *bone2, *bone3, *bone4;
607 rootmatrix.m[0][0] = 1;
608 rootmatrix.m[0][1] = 0;
609 rootmatrix.m[0][2] = 0;
610 rootmatrix.m[0][3] = 0;
611 rootmatrix.m[1][0] = 0;
612 rootmatrix.m[1][1] = 1;
613 rootmatrix.m[1][2] = 0;
614 rootmatrix.m[1][3] = 0;
615 rootmatrix.m[2][0] = 0;
616 rootmatrix.m[2][1] = 0;
617 rootmatrix.m[2][2] = 1;
618 rootmatrix.m[2][3] = 0;
620 bone1 = bonebase + blend[0].frame * count;
621 lerp1 = blend[0].lerp;
624 bone2 = bonebase + blend[1].frame * count;
625 lerp2 = blend[1].lerp;
628 bone3 = bonebase + blend[2].frame * count;
629 lerp3 = blend[2].lerp;
633 bone4 = bonebase + blend[3].frame * count;
634 lerp4 = blend[3].lerp;
635 for (i = 0, out = zymbonepose;i < count;i++, out++)
637 // interpolate matrices
638 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
639 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
640 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
641 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
642 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
643 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
644 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
645 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
646 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
647 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
648 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
649 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
650 if (bone->parent >= 0)
651 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
653 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
664 for (i = 0, out = zymbonepose;i < count;i++, out++)
666 // interpolate matrices
667 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
668 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
669 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
670 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
671 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
672 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
673 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
674 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
675 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
676 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
677 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
678 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
679 if (bone->parent >= 0)
680 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
682 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
693 for (i = 0, out = zymbonepose;i < count;i++, out++)
695 // interpolate matrices
696 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
697 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
698 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
699 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
700 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
701 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
702 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
703 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
704 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
705 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
706 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
707 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
708 if (bone->parent >= 0)
709 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
711 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
724 for (i = 0, out = zymbonepose;i < count;i++, out++)
726 // interpolate matrices
727 m.m[0][0] = bone1->m[0][0] * lerp1;
728 m.m[0][1] = bone1->m[0][1] * lerp1;
729 m.m[0][2] = bone1->m[0][2] * lerp1;
730 m.m[0][3] = bone1->m[0][3] * lerp1;
731 m.m[1][0] = bone1->m[1][0] * lerp1;
732 m.m[1][1] = bone1->m[1][1] * lerp1;
733 m.m[1][2] = bone1->m[1][2] * lerp1;
734 m.m[1][3] = bone1->m[1][3] * lerp1;
735 m.m[2][0] = bone1->m[2][0] * lerp1;
736 m.m[2][1] = bone1->m[2][1] * lerp1;
737 m.m[2][2] = bone1->m[2][2] * lerp1;
738 m.m[2][3] = bone1->m[2][3] * lerp1;
739 if (bone->parent >= 0)
740 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
742 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
750 for (i = 0, out = zymbonepose;i < count;i++, out++)
752 if (bone->parent >= 0)
753 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
755 R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
764 void ZymoticTransformVerts(int vertcount, float *vertex, int *bonecounts, zymvertex_t *vert)
768 zymbonematrix *matrix;
772 // FIXME: validate bonecounts at load time (must be >= 1)
773 // FIXME: need 4th component in origin, for how much of the translate to blend in
776 matrix = &zymbonepose[vert->bonenum];
777 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];
778 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];
779 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];
787 matrix = &zymbonepose[vert->bonenum];
788 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];
789 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];
790 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];
798 void ZymoticCalcNormals(int vertcount, float *vertex, float *normals, int shadercount, int *renderlist)
801 float *out, v1[3], v2[3], normal[3], s;
804 memset(normals, 0, sizeof(float) * vertcount * 3);
805 memset(aliasvertusage, 0, sizeof(int) * vertcount);
806 // parse render list and accumulate surface normals
815 v1[0] = vertex[a+0] - vertex[b+0];
816 v1[1] = vertex[a+1] - vertex[b+1];
817 v1[2] = vertex[a+2] - vertex[b+2];
818 v2[0] = vertex[c+0] - vertex[b+0];
819 v2[1] = vertex[c+1] - vertex[b+1];
820 v2[2] = vertex[c+2] - vertex[b+2];
821 CrossProduct(v1, v2, normal);
822 VectorNormalizeFast(normal);
823 // add surface normal to vertices
824 a = renderlist[0] * 3;
825 normals[a+0] += normal[0];
826 normals[a+1] += normal[1];
827 normals[a+2] += normal[2];
828 aliasvertusage[renderlist[0]]++;
829 a = renderlist[1] * 3;
830 normals[a+0] += normal[0];
831 normals[a+1] += normal[1];
832 normals[a+2] += normal[2];
833 aliasvertusage[renderlist[1]]++;
834 a = renderlist[2] * 3;
835 normals[a+0] += normal[0];
836 normals[a+1] += normal[1];
837 normals[a+2] += normal[2];
838 aliasvertusage[renderlist[2]]++;
842 // FIXME: precalc this
843 // average surface normals
860 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
862 float fog, ifog, colorscale;
864 int i, *renderlist, *elements;
868 const entity_render_t *ent = calldata1;
869 int shadernum = calldata2;
870 int numverts, numtriangles;
872 R_Mesh_Matrix(&ent->matrix);
874 // find the vertex index list and texture
875 m = ent->model->zymdata_header;
876 renderlist = (int *)(m->lump_render.start + (int) m);
877 for (i = 0;i < shadernum;i++)
878 renderlist += renderlist[0] * 3 + 1;
879 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[shadernum];
881 numverts = m->numverts;
882 numtriangles = *renderlist++;
883 elements = renderlist;
884 R_Mesh_ResizeCheck(numverts);
889 VectorSubtract(ent->origin, r_origin, diff);
890 fog = DotProduct(diff,diff);
893 fog = exp(fogdensity/fog);
898 // fog method: darken, additive fog
899 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
900 // 2. render fog as additive
904 memset(&mstate, 0, sizeof(mstate));
905 if (ent->effects & EF_ADDITIVE)
907 mstate.blendfunc1 = GL_SRC_ALPHA;
908 mstate.blendfunc2 = GL_ONE;
910 else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
912 mstate.blendfunc1 = GL_SRC_ALPHA;
913 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
917 mstate.blendfunc1 = GL_ONE;
918 mstate.blendfunc2 = GL_ZERO;
920 colorscale = r_colorscale;
921 if (gl_combine.integer)
923 mstate.texrgbscale[0] = 4;
926 mstate.tex[0] = R_GetTexture(texture);
927 R_Mesh_State(&mstate);
928 ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), ent->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m));
929 ZymoticTransformVerts(numverts, varray_vertex, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m));
930 ZymoticCalcNormals(numverts, varray_vertex, aliasvertnorm, m->numshaders, (int *)(m->lump_render.start + (int) m));
931 memcpy(varray_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
933 R_LightModel(ent, numverts, varray_vertex, aliasvertnorm, varray_color, ifog * colorscale, ifog * colorscale, ifog * colorscale, false);
934 R_Mesh_Draw(numverts, numtriangles, elements);
935 c_alias_polys += numtriangles;
939 memset(&mstate, 0, sizeof(mstate));
940 mstate.blendfunc1 = GL_SRC_ALPHA;
941 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
942 // FIXME: need alpha mask for fogging...
943 //mstate.tex[0] = R_GetTexture(texture);
944 R_Mesh_State(&mstate);
945 GL_Color(fogcolor[0] * r_colorscale, fogcolor[1] * r_colorscale, fogcolor[2] * r_colorscale, ent->alpha * fog);
946 R_Mesh_Draw(numverts, numtriangles, elements);
947 c_alias_polys += numtriangles;
951 void R_Model_Zymotic_Draw(entity_render_t *ent)
957 if (ent->alpha < (1.0f / 64.0f))
958 return; // basically completely transparent
962 m = ent->model->zymdata_header;
963 for (i = 0;i < m->numshaders;i++)
965 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[i];
966 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(texture))
967 R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
969 R_DrawZymoticModelMeshCallback(ent, i);
973 void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent)
978 void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, float lightradius2, float lightdistbias, float lightsubtract, float *lightcolor)
983 void R_Model_Zymotic_DrawOntoLight(entity_render_t *ent)