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 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
269 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[4]));
270 if (!skinframe->base && !skinframe->pants && !skinframe->shirt && !skinframe->glow)
273 memset(&m, 0, sizeof(m));
274 m.blendfunc1 = blendfunc1;
275 m.blendfunc2 = blendfunc2;
276 colorscale = r_colorscale;
277 if (gl_combine.integer)
280 m.texrgbscale[0] = 4;
282 m.tex[0] = R_GetTexture(r_notexture);
284 c_alias_polys += model->numtris;
285 for (i = 0;i < model->numverts * 4;i += 4)
287 varray_texcoord[0][i + 0] *= 8.0f;
288 varray_texcoord[0][i + 1] *= 8.0f;
290 R_LightModel(ent, model->numverts, varray_vertex, aliasvertnorm, varray_color, colorscale, colorscale, colorscale, false);
292 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
296 colormapped = !skinframe->merged || (ent->colormap >= 0 && skinframe->base && (skinframe->pants || skinframe->shirt));
299 // 128-224 are backwards ranges
300 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
301 bcolor = (qbyte *) (&d_8to24table[c]);
302 pantsfullbright = c >= 224;
303 VectorScale(bcolor, (1.0f / 255.0f), pantscolor);
304 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
305 bcolor = (qbyte *) (&d_8to24table[c]);
306 shirtfullbright = c >= 224;
307 VectorScale(bcolor, (1.0f / 255.0f), shirtcolor);
311 pantscolor[0] = pantscolor[1] = pantscolor[2] = shirtcolor[0] = shirtcolor[1] = shirtcolor[2] = 1;
312 pantsfullbright = shirtfullbright = false;
315 tex = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged);
318 memset(&m, 0, sizeof(m));
319 m.blendfunc1 = blendfunc1;
320 m.blendfunc2 = blendfunc2;
321 colorscale = r_colorscale;
322 if (gl_combine.integer)
325 m.texrgbscale[0] = 4;
330 GL_Color(colorscale * ifog, colorscale * ifog, colorscale * ifog, ent->alpha);
334 R_LightModel(ent, model->numverts, varray_vertex, aliasvertnorm, varray_color, colorscale * ifog, colorscale * ifog, colorscale * ifog, false);
336 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
337 c_alias_polys += model->numtris;
338 blendfunc1 = GL_SRC_ALPHA;
344 if (skinframe->pants)
346 tex = R_GetTexture(skinframe->pants);
349 memset(&m, 0, sizeof(m));
350 m.blendfunc1 = blendfunc1;
351 m.blendfunc2 = blendfunc2;
352 colorscale = r_colorscale;
353 if (gl_combine.integer)
356 m.texrgbscale[0] = 4;
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;
390 GL_Color(shirtcolor[0] * colorscale * ifog, shirtcolor[1] * colorscale * ifog, shirtcolor[2] * colorscale * ifog, ent->alpha);
394 R_LightModel(ent, model->numverts, varray_vertex, aliasvertnorm, varray_color, shirtcolor[0] * colorscale * ifog, shirtcolor[1] * colorscale * ifog, shirtcolor[2] * colorscale * ifog, false);
396 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
397 c_alias_polys += model->numtris;
398 blendfunc1 = GL_SRC_ALPHA;
405 tex = R_GetTexture(skinframe->glow);
408 memset(&m, 0, sizeof(m));
409 m.blendfunc1 = blendfunc1;
410 m.blendfunc2 = blendfunc2;
414 blendfunc1 = GL_SRC_ALPHA;
416 c_alias_polys += model->numtris;
417 GL_Color(ifog * r_colorscale, ifog * r_colorscale, ifog * r_colorscale, ent->alpha);
418 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
423 memset(&m, 0, sizeof(m));
424 m.blendfunc1 = GL_SRC_ALPHA;
425 m.blendfunc2 = GL_ONE;
426 m.tex[0] = R_GetTexture(skinframe->fog);
429 c_alias_polys += model->numtris;
430 GL_Color(fogcolor[0] * fog * r_colorscale, fogcolor[1] * fog * r_colorscale, fogcolor[2] * fog * r_colorscale, ent->alpha);
431 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
435 void R_Model_Alias_Draw(entity_render_t *ent)
437 if (ent->alpha < (1.0f / 64.0f))
438 return; // basically completely transparent
442 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL)
443 R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0);
445 R_DrawQ1Q2AliasModelCallback(ent, 0);
448 extern cvar_t r_shadows;
449 void R_Model_Alias_DrawFakeShadow (entity_render_t *ent)
454 float *v, planenormal[3], planedist, dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3];
457 if (r_shadows.integer > 1)
459 float f, lightscale, lightcolor[3];
463 memset(&m, 0, sizeof(m));
464 m.blendfunc1 = GL_ONE;
465 m.blendfunc2 = GL_ONE;
467 R_Mesh_Matrix(&ent->matrix);
468 for (i = 0, sl = cl.worldmodel->lights;i < cl.worldmodel->numlights;i++, sl++)
470 if (d_lightstylevalue[sl->style] > 0)
472 VectorSubtract(ent->origin, sl->origin, temp);
473 f = DotProduct(temp,temp);
474 if (f < (ent->model->radius2 + sl->cullradius2))
477 R_Mesh_ResizeCheck(model->numverts * 2);
478 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
479 Matrix4x4_Transform(&ent->inversematrix, sl->origin, temp);
480 GL_Color(0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1);
481 R_Shadow_Volume(model->numverts, model->numtris, varray_vertex, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, sl->cullradius + model->radius - sqrt(f), true);
483 lightscale = d_lightstylevalue[sl->style] * (1.0f / 65536.0f);
484 VectorScale(sl->light, lightscale, lightcolor);
485 R_Shadow_VertexLight(model->numverts, varray_vertex, aliasvertnorm, temp, sl->cullradius2, sl->distbias, sl->subtract, lightcolor);
486 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
490 for (i = 0, rd = r_dlight;i < r_numdlights;i++, rd++)
494 VectorSubtract(ent->origin, rd->origin, temp);
495 f = DotProduct(temp,temp);
496 if (f < (ent->model->radius2 + rd->cullradius2))
499 R_Mesh_ResizeCheck(model->numverts * 2);
500 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
501 Matrix4x4_Transform(&ent->inversematrix, rd->origin, temp);
502 GL_Color(0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1);
503 R_Shadow_Volume(model->numverts, model->numtris, varray_vertex, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, rd->cullradius + model->radius - sqrt(f), true);
505 R_Shadow_VertexLight(model->numverts, varray_vertex, aliasvertnorm, temp, rd->cullradius2, LIGHTOFFSET, rd->subtract, rd->light);
506 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
514 lightdirection[0] = 0.5;
515 lightdirection[1] = 0.2;
516 lightdirection[2] = -1;
517 VectorNormalizeFast(lightdirection);
519 VectorMA(ent->origin, 65536.0f, lightdirection, v2);
520 if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1)
523 R_Mesh_Matrix(&ent->matrix);
526 R_Mesh_ResizeCheck(model->numverts);
528 memset(&m, 0, sizeof(m));
529 m.blendfunc1 = GL_SRC_ALPHA;
530 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
533 c_alias_polys += model->numtris;
534 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
536 // put a light direction in the entity's coordinate space
537 Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, projection);
538 VectorNormalizeFast(projection);
540 // put the plane's normal in the entity's coordinate space
541 Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, planenormal);
542 VectorNormalizeFast(planenormal);
544 // put the plane's distance in the entity's coordinate space
545 VectorSubtract(floororigin, ent->origin, floororigin);
546 planedist = DotProduct(floororigin, surfnormal) + 2;
548 dist = -1.0f / DotProduct(projection, planenormal);
549 VectorScale(projection, dist, projection);
550 for (i = 0, v = varray_vertex;i < model->numverts;i++, v += 4)
552 dist = DotProduct(v, planenormal) - planedist;
555 VectorMA(v, dist, projection, v);
557 GL_Color(0, 0, 0, 0.5);
558 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
561 void R_Model_Alias_DrawDepth(entity_render_t *ent)
563 R_Mesh_ResizeCheck(ent->model->numverts);
564 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
565 R_Mesh_Draw(ent->model->numverts, ent->model->numtris, ent->model->mdlmd2data_indices);
568 void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int visiblevolume)
570 float projectdistance;
571 projectdistance = lightradius + ent->model->radius - sqrt(DotProduct(relativelightorigin, relativelightorigin));
572 if (projectdistance > 0.1)
574 R_Mesh_ResizeCheck(ent->model->numverts * 2);
575 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
576 R_Shadow_Volume(ent->model->numverts, ent->model->numtris, varray_vertex, ent->model->mdlmd2data_indices, ent->model->mdlmd2data_triangleneighbors, relativelightorigin, lightradius, projectdistance, visiblevolume);
580 void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, float lightdistbias, float lightsubtract, float *lightcolor)
582 R_Mesh_ResizeCheck(ent->model->numverts);
583 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
584 R_Shadow_VertexLight(ent->model->numverts, varray_vertex, aliasvertnorm, relativelightorigin, lightradius * lightradius, lightdistbias, lightsubtract, lightcolor);
586 R_Mesh_Draw(ent->model->numverts, ent->model->numtris, ent->model->mdlmd2data_indices);
589 void R_Model_Alias_DrawOntoLight(entity_render_t *ent)
594 int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
597 float lerp1, lerp2, lerp3, lerp4;
598 zymbonematrix *out, rootmatrix, m;
599 const zymbonematrix *bone1, *bone2, *bone3, *bone4;
601 rootmatrix.m[0][0] = 1;
602 rootmatrix.m[0][1] = 0;
603 rootmatrix.m[0][2] = 0;
604 rootmatrix.m[0][3] = 0;
605 rootmatrix.m[1][0] = 0;
606 rootmatrix.m[1][1] = 1;
607 rootmatrix.m[1][2] = 0;
608 rootmatrix.m[1][3] = 0;
609 rootmatrix.m[2][0] = 0;
610 rootmatrix.m[2][1] = 0;
611 rootmatrix.m[2][2] = 1;
612 rootmatrix.m[2][3] = 0;
614 bone1 = bonebase + blend[0].frame * count;
615 lerp1 = blend[0].lerp;
618 bone2 = bonebase + blend[1].frame * count;
619 lerp2 = blend[1].lerp;
622 bone3 = bonebase + blend[2].frame * count;
623 lerp3 = blend[2].lerp;
627 bone4 = bonebase + blend[3].frame * count;
628 lerp4 = blend[3].lerp;
629 for (i = 0, out = zymbonepose;i < count;i++, out++)
631 // interpolate matrices
632 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
633 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
634 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
635 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
636 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
637 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
638 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
639 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
640 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
641 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
642 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
643 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
644 if (bone->parent >= 0)
645 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
647 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
658 for (i = 0, out = zymbonepose;i < count;i++, out++)
660 // interpolate matrices
661 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
662 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
663 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
664 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
665 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
666 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
667 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
668 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
669 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
670 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
671 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
672 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
673 if (bone->parent >= 0)
674 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
676 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
687 for (i = 0, out = zymbonepose;i < count;i++, out++)
689 // interpolate matrices
690 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
691 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
692 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
693 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
694 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
695 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
696 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
697 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
698 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
699 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
700 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
701 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
702 if (bone->parent >= 0)
703 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
705 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
718 for (i = 0, out = zymbonepose;i < count;i++, out++)
720 // interpolate matrices
721 m.m[0][0] = bone1->m[0][0] * lerp1;
722 m.m[0][1] = bone1->m[0][1] * lerp1;
723 m.m[0][2] = bone1->m[0][2] * lerp1;
724 m.m[0][3] = bone1->m[0][3] * lerp1;
725 m.m[1][0] = bone1->m[1][0] * lerp1;
726 m.m[1][1] = bone1->m[1][1] * lerp1;
727 m.m[1][2] = bone1->m[1][2] * lerp1;
728 m.m[1][3] = bone1->m[1][3] * lerp1;
729 m.m[2][0] = bone1->m[2][0] * lerp1;
730 m.m[2][1] = bone1->m[2][1] * lerp1;
731 m.m[2][2] = bone1->m[2][2] * lerp1;
732 m.m[2][3] = bone1->m[2][3] * lerp1;
733 if (bone->parent >= 0)
734 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
736 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
744 for (i = 0, out = zymbonepose;i < count;i++, out++)
746 if (bone->parent >= 0)
747 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
749 R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
758 void ZymoticTransformVerts(int vertcount, float *vertex, int *bonecounts, zymvertex_t *vert)
762 zymbonematrix *matrix;
766 // FIXME: validate bonecounts at load time (must be >= 1)
767 // FIXME: need 4th component in origin, for how much of the translate to blend in
770 matrix = &zymbonepose[vert->bonenum];
771 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];
772 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];
773 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];
781 matrix = &zymbonepose[vert->bonenum];
782 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];
783 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];
784 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];
792 void ZymoticCalcNormals(int vertcount, float *vertex, float *normals, int shadercount, int *renderlist)
795 float *out, v1[3], v2[3], normal[3], s;
798 memset(normals, 0, sizeof(float) * vertcount * 3);
799 memset(aliasvertusage, 0, sizeof(int) * vertcount);
800 // parse render list and accumulate surface normals
809 v1[0] = vertex[a+0] - vertex[b+0];
810 v1[1] = vertex[a+1] - vertex[b+1];
811 v1[2] = vertex[a+2] - vertex[b+2];
812 v2[0] = vertex[c+0] - vertex[b+0];
813 v2[1] = vertex[c+1] - vertex[b+1];
814 v2[2] = vertex[c+2] - vertex[b+2];
815 CrossProduct(v1, v2, normal);
816 VectorNormalizeFast(normal);
817 // add surface normal to vertices
818 a = renderlist[0] * 3;
819 normals[a+0] += normal[0];
820 normals[a+1] += normal[1];
821 normals[a+2] += normal[2];
822 aliasvertusage[renderlist[0]]++;
823 a = renderlist[1] * 3;
824 normals[a+0] += normal[0];
825 normals[a+1] += normal[1];
826 normals[a+2] += normal[2];
827 aliasvertusage[renderlist[1]]++;
828 a = renderlist[2] * 3;
829 normals[a+0] += normal[0];
830 normals[a+1] += normal[1];
831 normals[a+2] += normal[2];
832 aliasvertusage[renderlist[2]]++;
836 // FIXME: precalc this
837 // average surface normals
854 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
856 float fog, ifog, colorscale;
858 int i, *renderlist, *elements;
861 const entity_render_t *ent = calldata1;
862 int shadernum = calldata2;
863 int numverts, numtriangles;
865 R_Mesh_Matrix(&ent->matrix);
867 // find the vertex index list and texture
868 renderlist = ent->model->zymdata_renderlist;
869 for (i = 0;i < shadernum;i++)
870 renderlist += renderlist[0] * 3 + 1;
871 texture = ent->model->zymdata_textures[shadernum];
873 numverts = ent->model->zymnum_verts;
874 numtriangles = *renderlist++;
875 elements = renderlist;
876 R_Mesh_ResizeCheck(numverts);
881 VectorSubtract(ent->origin, r_origin, diff);
882 fog = DotProduct(diff,diff);
885 fog = exp(fogdensity/fog);
890 // fog method: darken, additive fog
891 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
892 // 2. render fog as additive
896 memset(&mstate, 0, sizeof(mstate));
897 if (ent->effects & EF_ADDITIVE)
899 mstate.blendfunc1 = GL_SRC_ALPHA;
900 mstate.blendfunc2 = GL_ONE;
902 else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
904 mstate.blendfunc1 = GL_SRC_ALPHA;
905 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
909 mstate.blendfunc1 = GL_ONE;
910 mstate.blendfunc2 = GL_ZERO;
912 colorscale = r_colorscale;
913 if (gl_combine.integer)
915 mstate.texrgbscale[0] = 4;
918 mstate.tex[0] = R_GetTexture(texture);
919 R_Mesh_State(&mstate);
920 ZymoticLerpBones(ent->model->zymnum_bones, (zymbonematrix *) ent->model->zymdata_poses, ent->frameblend, ent->model->zymdata_bones);
921 ZymoticTransformVerts(numverts, varray_vertex, ent->model->zymdata_vertbonecounts, ent->model->zymdata_verts);
922 ZymoticCalcNormals(numverts, varray_vertex, aliasvertnorm, ent->model->zymnum_shaders, ent->model->zymdata_renderlist);
923 memcpy(varray_texcoord[0], ent->model->zymdata_texcoords, ent->model->zymnum_verts * sizeof(float[4]));
925 R_LightModel(ent, numverts, varray_vertex, aliasvertnorm, varray_color, ifog * colorscale, ifog * colorscale, ifog * colorscale, false);
926 R_Mesh_Draw(numverts, numtriangles, elements);
927 c_alias_polys += numtriangles;
931 memset(&mstate, 0, sizeof(mstate));
932 mstate.blendfunc1 = GL_SRC_ALPHA;
933 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
934 // FIXME: need alpha mask for fogging...
935 //mstate.tex[0] = R_GetTexture(texture);
936 R_Mesh_State(&mstate);
937 GL_Color(fogcolor[0] * r_colorscale, fogcolor[1] * r_colorscale, fogcolor[2] * r_colorscale, ent->alpha * fog);
938 R_Mesh_Draw(numverts, numtriangles, elements);
939 c_alias_polys += numtriangles;
943 void R_Model_Zymotic_Draw(entity_render_t *ent)
947 if (ent->alpha < (1.0f / 64.0f))
948 return; // basically completely transparent
952 for (i = 0;i < ent->model->zymnum_shaders;i++)
954 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(ent->model->zymdata_textures[i]))
955 R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
957 R_DrawZymoticModelMeshCallback(ent, i);
961 void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent)
966 void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, float lightradius2, float lightdistbias, float lightsubtract, float *lightcolor)
971 void R_Model_Zymotic_DrawOntoLight(entity_render_t *ent)