3 #include "cl_collision.h"
11 // LordHavoc: vertex arrays
13 float *aliasvertcolorbuf;
14 float *aliasvertcolor; // this may point at aliasvertcolorbuf or at vertex arrays in the mesh backend
15 float *aliasvert_svectors;
16 float *aliasvert_tvectors;
17 float *aliasvert_normals;
19 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 aliasvertcolor = aliasvertcolorbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
30 aliasvert_svectors = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
31 aliasvert_tvectors = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
32 aliasvert_normals = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
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 R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
52 void R_AliasLerpVerts(int vertcount, float *vertices, float *normals,
53 float lerp1, const trivertx_t *verts1, const vec3_t fscale1, const vec3_t translate1,
54 float lerp2, const trivertx_t *verts2, const vec3_t fscale2, const vec3_t translate2,
55 float lerp3, const trivertx_t *verts3, const vec3_t fscale3, const vec3_t translate3,
56 float lerp4, const trivertx_t *verts4, const vec3_t fscale4, const vec3_t translate4)
59 vec3_t scale1, scale2, scale3, scale4, translate;
60 const float *n1, *n2, *n3, *n4;
64 VectorScale(fscale1, lerp1, scale1);
67 VectorScale(fscale2, lerp2, scale2);
70 VectorScale(fscale3, lerp3, scale3);
73 VectorScale(fscale4, lerp4, scale4);
74 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3 + translate4[0] * lerp4;
75 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3 + translate4[1] * lerp4;
76 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3 + translate4[2] * lerp4;
78 for (i = 0;i < vertcount;i++)
80 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + verts4->v[0] * scale4[0] + translate[0];
81 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + verts4->v[1] * scale4[1] + translate[1];
82 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + verts4->v[2] * scale4[2] + translate[2];
83 n1 = m_bytenormals[verts1->lightnormalindex];
84 n2 = m_bytenormals[verts2->lightnormalindex];
85 n3 = m_bytenormals[verts3->lightnormalindex];
86 n4 = m_bytenormals[verts4->lightnormalindex];
87 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3 + n4[0] * lerp4;
88 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3 + n4[1] * lerp4;
89 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3 + n4[2] * lerp4;
92 verts1++;verts2++;verts3++;verts4++;
97 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3;
98 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3;
99 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3;
101 for (i = 0;i < vertcount;i++)
103 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + translate[0];
104 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + translate[1];
105 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + translate[2];
106 n1 = m_bytenormals[verts1->lightnormalindex];
107 n2 = m_bytenormals[verts2->lightnormalindex];
108 n3 = m_bytenormals[verts3->lightnormalindex];
109 avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3;
110 avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3;
111 avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3;
114 verts1++;verts2++;verts3++;
120 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2;
121 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2;
122 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2;
124 for (i = 0;i < vertcount;i++)
126 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + translate[0];
127 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + translate[1];
128 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + translate[2];
129 n1 = m_bytenormals[verts1->lightnormalindex];
130 n2 = m_bytenormals[verts2->lightnormalindex];
131 avn[0] = n1[0] * lerp1 + n2[0] * lerp2;
132 avn[1] = n1[1] * lerp1 + n2[1] * lerp2;
133 avn[2] = n1[2] * lerp1 + n2[2] * lerp2;
142 translate[0] = translate1[0] * lerp1;
143 translate[1] = translate1[1] * lerp1;
144 translate[2] = translate1[2] * lerp1;
148 // general but almost never used case
149 for (i = 0;i < vertcount;i++)
151 av[0] = verts1->v[0] * scale1[0] + translate[0];
152 av[1] = verts1->v[1] * scale1[1] + translate[1];
153 av[2] = verts1->v[2] * scale1[2] + translate[2];
154 n1 = m_bytenormals[verts1->lightnormalindex];
155 avn[0] = n1[0] * lerp1;
156 avn[1] = n1[1] * lerp1;
157 avn[2] = n1[2] * lerp1;
166 for (i = 0;i < vertcount;i++)
168 av[0] = verts1->v[0] * scale1[0] + translate[0];
169 av[1] = verts1->v[1] * scale1[1] + translate[1];
170 av[2] = verts1->v[2] * scale1[2] + translate[2];
171 VectorCopy(m_bytenormals[verts1->lightnormalindex], avn);
180 skinframe_t *R_FetchSkinFrame(const entity_render_t *ent)
182 model_t *model = ent->model;
183 unsigned int s = (unsigned int) ent->skinnum;
184 if (s >= model->numskins)
186 if (model->skinscenes[s].framecount > 1)
187 return &model->skinframes[model->skinscenes[s].firstframe + (int) (cl.time * 10) % model->skinscenes[s].framecount];
189 return &model->skinframes[model->skinscenes[s].firstframe];
192 void R_LerpMDLMD2Vertices(const entity_render_t *ent, float *vertices, float *normals)
194 const md2frame_t *frame1, *frame2, *frame3, *frame4;
195 const trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
196 const model_t *model = ent->model;
198 frame1 = &model->mdlmd2data_frames[ent->frameblend[0].frame];
199 frame2 = &model->mdlmd2data_frames[ent->frameblend[1].frame];
200 frame3 = &model->mdlmd2data_frames[ent->frameblend[2].frame];
201 frame4 = &model->mdlmd2data_frames[ent->frameblend[3].frame];
202 frame1verts = &model->mdlmd2data_pose[ent->frameblend[0].frame * model->numverts];
203 frame2verts = &model->mdlmd2data_pose[ent->frameblend[1].frame * model->numverts];
204 frame3verts = &model->mdlmd2data_pose[ent->frameblend[2].frame * model->numverts];
205 frame4verts = &model->mdlmd2data_pose[ent->frameblend[3].frame * model->numverts];
206 R_AliasLerpVerts(model->numverts, vertices, normals,
207 ent->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate,
208 ent->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate,
209 ent->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate,
210 ent->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate);
213 void R_DrawQ1Q2AliasModelCallback (const void *calldata1, int calldata2)
215 int i, c, fullbright, pantsfullbright, shirtfullbright, colormapped, tex;
216 float pantscolor[3], shirtcolor[3];
217 float fog, ifog, colorscale;
222 skinframe_t *skinframe;
223 const entity_render_t *ent = calldata1;
224 int blendfunc1, blendfunc2;
226 R_Mesh_Matrix(&ent->matrix);
229 R_Mesh_ResizeCheck(model->numverts);
231 skinframe = R_FetchSkinFrame(ent);
233 fullbright = (ent->effects & EF_FULLBRIGHT) != 0;
238 VectorSubtract(ent->origin, r_origin, diff);
239 fog = DotProduct(diff,diff);
242 fog = exp(fogdensity/fog);
247 // fog method: darken, additive fog
248 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
249 // 2. render fog as additive
253 if (ent->effects & EF_ADDITIVE)
255 blendfunc1 = GL_SRC_ALPHA;
258 else if (ent->alpha != 1.0 || skinframe->fog != NULL)
260 blendfunc1 = GL_SRC_ALPHA;
261 blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
266 blendfunc2 = GL_ZERO;
269 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvert_normals);
270 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[4]));
271 if (!skinframe->base && !skinframe->pants && !skinframe->shirt && !skinframe->glow)
274 memset(&m, 0, sizeof(m));
275 m.blendfunc1 = blendfunc1;
276 m.blendfunc2 = blendfunc2;
277 colorscale = r_colorscale;
278 if (gl_combine.integer)
281 m.texrgbscale[0] = 4;
283 m.tex[0] = R_GetTexture(r_notexture);
285 c_alias_polys += model->numtris;
286 for (i = 0;i < model->numverts * 4;i += 4)
288 varray_texcoord[0][i + 0] *= 8.0f;
289 varray_texcoord[0][i + 1] *= 8.0f;
291 R_LightModel(ent, model->numverts, varray_vertex, aliasvert_normals, 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 *) (&palette_complete[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 *) (&palette_complete[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);
332 R_LightModel(ent, model->numverts, varray_vertex, aliasvert_normals, varray_color, colorscale * ifog, colorscale * ifog, colorscale * ifog, false);
333 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
334 c_alias_polys += model->numtris;
335 blendfunc1 = GL_SRC_ALPHA;
341 if (skinframe->pants)
343 tex = R_GetTexture(skinframe->pants);
346 memset(&m, 0, sizeof(m));
347 m.blendfunc1 = blendfunc1;
348 m.blendfunc2 = blendfunc2;
349 colorscale = r_colorscale;
350 if (gl_combine.integer)
353 m.texrgbscale[0] = 4;
358 GL_Color(pantscolor[0] * colorscale * ifog, pantscolor[1] * colorscale * ifog, pantscolor[2] * colorscale * ifog, ent->alpha);
360 R_LightModel(ent, model->numverts, varray_vertex, aliasvert_normals, varray_color, pantscolor[0] * colorscale * ifog, pantscolor[1] * colorscale * ifog, pantscolor[2] * colorscale * ifog, false);
361 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
362 c_alias_polys += model->numtris;
363 blendfunc1 = GL_SRC_ALPHA;
367 if (skinframe->shirt)
369 tex = R_GetTexture(skinframe->shirt);
372 memset(&m, 0, sizeof(m));
373 m.blendfunc1 = blendfunc1;
374 m.blendfunc2 = blendfunc2;
375 colorscale = r_colorscale;
376 if (gl_combine.integer)
379 m.texrgbscale[0] = 4;
384 GL_Color(shirtcolor[0] * colorscale * ifog, shirtcolor[1] * colorscale * ifog, shirtcolor[2] * colorscale * ifog, ent->alpha);
386 R_LightModel(ent, model->numverts, varray_vertex, aliasvert_normals, varray_color, shirtcolor[0] * colorscale * ifog, shirtcolor[1] * colorscale * ifog, shirtcolor[2] * colorscale * ifog, false);
387 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
388 c_alias_polys += model->numtris;
389 blendfunc1 = GL_SRC_ALPHA;
396 tex = R_GetTexture(skinframe->glow);
399 memset(&m, 0, sizeof(m));
400 m.blendfunc1 = blendfunc1;
401 m.blendfunc2 = blendfunc2;
405 blendfunc1 = GL_SRC_ALPHA;
407 c_alias_polys += model->numtris;
408 GL_Color(ifog * r_colorscale, ifog * r_colorscale, ifog * r_colorscale, ent->alpha);
409 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
414 memset(&m, 0, sizeof(m));
415 m.blendfunc1 = GL_SRC_ALPHA;
416 m.blendfunc2 = GL_ONE;
417 m.tex[0] = R_GetTexture(skinframe->fog);
420 c_alias_polys += model->numtris;
421 GL_Color(fogcolor[0] * fog * r_colorscale, fogcolor[1] * fog * r_colorscale, fogcolor[2] * fog * r_colorscale, ent->alpha);
422 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
426 void R_Model_Alias_Draw(entity_render_t *ent)
428 if (ent->alpha < (1.0f / 64.0f))
429 return; // basically completely transparent
433 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL)
434 R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0);
436 R_DrawQ1Q2AliasModelCallback(ent, 0);
439 extern cvar_t r_shadows;
440 void R_Model_Alias_DrawFakeShadow (entity_render_t *ent)
445 float *v, planenormal[3], planedist, dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3];
447 lightdirection[0] = 0.5;
448 lightdirection[1] = 0.2;
449 lightdirection[2] = -1;
450 VectorNormalizeFast(lightdirection);
452 VectorMA(ent->origin, 65536.0f, lightdirection, v2);
453 if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1)
456 R_Mesh_Matrix(&ent->matrix);
459 R_Mesh_ResizeCheck(model->numverts);
461 memset(&m, 0, sizeof(m));
462 m.blendfunc1 = GL_SRC_ALPHA;
463 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
466 c_alias_polys += model->numtris;
467 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvert_normals);
469 // put a light direction in the entity's coordinate space
470 Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, projection);
471 VectorNormalizeFast(projection);
473 // put the plane's normal in the entity's coordinate space
474 Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, planenormal);
475 VectorNormalizeFast(planenormal);
477 // put the plane's distance in the entity's coordinate space
478 VectorSubtract(floororigin, ent->origin, floororigin);
479 planedist = DotProduct(floororigin, surfnormal) + 2;
481 dist = -1.0f / DotProduct(projection, planenormal);
482 VectorScale(projection, dist, projection);
483 for (i = 0, v = varray_vertex;i < model->numverts;i++, v += 4)
485 dist = DotProduct(v, planenormal) - planedist;
488 VectorMA(v, dist, projection, v);
490 GL_Color(0, 0, 0, 0.5);
491 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
494 void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius)
496 float projectdistance;
497 projectdistance = lightradius + ent->model->radius - sqrt(DotProduct(relativelightorigin, relativelightorigin));
498 if (projectdistance > 0.1)
500 R_Mesh_Matrix(&ent->matrix);
501 R_Mesh_ResizeCheck(ent->model->numverts * 2);
502 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvert_normals);
503 R_Shadow_Volume(ent->model->numverts, ent->model->numtris, varray_vertex, ent->model->mdlmd2data_indices, ent->model->mdlmd2data_triangleneighbors, relativelightorigin, lightradius, projectdistance);
507 void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float lightdistbias, float lightsubtract, float *lightcolor)
509 skinframe_t *skinframe;
510 R_Mesh_Matrix(&ent->matrix);
511 skinframe = R_FetchSkinFrame(ent);
512 R_Mesh_ResizeCheck(ent->model->numverts);
513 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvert_normals);
514 Mod_BuildTextureVectorsAndNormals(ent->model->numverts, ent->model->numtris, varray_vertex, ent->model->mdlmd2data_texcoords, ent->model->mdlmd2data_indices, aliasvert_svectors, aliasvert_tvectors, aliasvert_normals);
515 R_Shadow_RenderLighting(ent->model->numverts, ent->model->numtris, ent->model->mdlmd2data_indices, aliasvert_svectors, aliasvert_tvectors, aliasvert_normals, ent->model->mdlmd2data_texcoords, relativelightorigin, relativeeyeorigin, lightradius, lightcolor, skinframe->base, skinframe->gloss, skinframe->nmap, NULL);
518 int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
521 float lerp1, lerp2, lerp3, lerp4;
522 zymbonematrix *out, rootmatrix, m;
523 const zymbonematrix *bone1, *bone2, *bone3, *bone4;
525 rootmatrix.m[0][0] = 1;
526 rootmatrix.m[0][1] = 0;
527 rootmatrix.m[0][2] = 0;
528 rootmatrix.m[0][3] = 0;
529 rootmatrix.m[1][0] = 0;
530 rootmatrix.m[1][1] = 1;
531 rootmatrix.m[1][2] = 0;
532 rootmatrix.m[1][3] = 0;
533 rootmatrix.m[2][0] = 0;
534 rootmatrix.m[2][1] = 0;
535 rootmatrix.m[2][2] = 1;
536 rootmatrix.m[2][3] = 0;
538 bone1 = bonebase + blend[0].frame * count;
539 lerp1 = blend[0].lerp;
542 bone2 = bonebase + blend[1].frame * count;
543 lerp2 = blend[1].lerp;
546 bone3 = bonebase + blend[2].frame * count;
547 lerp3 = blend[2].lerp;
551 bone4 = bonebase + blend[3].frame * count;
552 lerp4 = blend[3].lerp;
553 for (i = 0, out = zymbonepose;i < count;i++, out++)
555 // interpolate matrices
556 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
557 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
558 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
559 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
560 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
561 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
562 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
563 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
564 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
565 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
566 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
567 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
568 if (bone->parent >= 0)
569 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
571 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
582 for (i = 0, out = zymbonepose;i < count;i++, out++)
584 // interpolate matrices
585 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
586 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
587 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
588 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
589 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
590 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
591 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
592 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
593 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
594 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
595 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
596 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
597 if (bone->parent >= 0)
598 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
600 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
611 for (i = 0, out = zymbonepose;i < count;i++, out++)
613 // interpolate matrices
614 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
615 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
616 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
617 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
618 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
619 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
620 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
621 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
622 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
623 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
624 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
625 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
626 if (bone->parent >= 0)
627 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
629 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
642 for (i = 0, out = zymbonepose;i < count;i++, out++)
644 // interpolate matrices
645 m.m[0][0] = bone1->m[0][0] * lerp1;
646 m.m[0][1] = bone1->m[0][1] * lerp1;
647 m.m[0][2] = bone1->m[0][2] * lerp1;
648 m.m[0][3] = bone1->m[0][3] * lerp1;
649 m.m[1][0] = bone1->m[1][0] * lerp1;
650 m.m[1][1] = bone1->m[1][1] * lerp1;
651 m.m[1][2] = bone1->m[1][2] * lerp1;
652 m.m[1][3] = bone1->m[1][3] * lerp1;
653 m.m[2][0] = bone1->m[2][0] * lerp1;
654 m.m[2][1] = bone1->m[2][1] * lerp1;
655 m.m[2][2] = bone1->m[2][2] * lerp1;
656 m.m[2][3] = bone1->m[2][3] * lerp1;
657 if (bone->parent >= 0)
658 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
660 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
668 for (i = 0, out = zymbonepose;i < count;i++, out++)
670 if (bone->parent >= 0)
671 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
673 R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
682 void ZymoticTransformVerts(int vertcount, float *vertex, int *bonecounts, zymvertex_t *vert)
686 zymbonematrix *matrix;
690 // FIXME: validate bonecounts at load time (must be >= 1)
691 // FIXME: need 4th component in origin, for how much of the translate to blend in
694 matrix = &zymbonepose[vert->bonenum];
695 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];
696 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];
697 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];
705 matrix = &zymbonepose[vert->bonenum];
706 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];
707 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];
708 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];
716 void ZymoticCalcNormals(int vertcount, float *vertex, float *normals, int shadercount, int *renderlist)
719 float *out, v1[3], v2[3], normal[3], s;
722 memset(normals, 0, sizeof(float) * vertcount * 3);
723 memset(aliasvertusage, 0, sizeof(int) * vertcount);
724 // parse render list and accumulate surface normals
733 v1[0] = vertex[a+0] - vertex[b+0];
734 v1[1] = vertex[a+1] - vertex[b+1];
735 v1[2] = vertex[a+2] - vertex[b+2];
736 v2[0] = vertex[c+0] - vertex[b+0];
737 v2[1] = vertex[c+1] - vertex[b+1];
738 v2[2] = vertex[c+2] - vertex[b+2];
739 CrossProduct(v1, v2, normal);
740 VectorNormalizeFast(normal);
741 // add surface normal to vertices
742 a = renderlist[0] * 3;
743 normals[a+0] += normal[0];
744 normals[a+1] += normal[1];
745 normals[a+2] += normal[2];
746 aliasvertusage[renderlist[0]]++;
747 a = renderlist[1] * 3;
748 normals[a+0] += normal[0];
749 normals[a+1] += normal[1];
750 normals[a+2] += normal[2];
751 aliasvertusage[renderlist[1]]++;
752 a = renderlist[2] * 3;
753 normals[a+0] += normal[0];
754 normals[a+1] += normal[1];
755 normals[a+2] += normal[2];
756 aliasvertusage[renderlist[2]]++;
760 // FIXME: precalc this
761 // average surface normals
778 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
780 float fog, ifog, colorscale;
782 int i, *renderlist, *elements;
785 const entity_render_t *ent = calldata1;
786 int shadernum = calldata2;
787 int numverts, numtriangles;
789 R_Mesh_Matrix(&ent->matrix);
791 // find the vertex index list and texture
792 renderlist = ent->model->zymdata_renderlist;
793 for (i = 0;i < shadernum;i++)
794 renderlist += renderlist[0] * 3 + 1;
795 texture = ent->model->zymdata_textures[shadernum];
797 numverts = ent->model->zymnum_verts;
798 numtriangles = *renderlist++;
799 elements = renderlist;
800 R_Mesh_ResizeCheck(numverts);
805 VectorSubtract(ent->origin, r_origin, diff);
806 fog = DotProduct(diff,diff);
809 fog = exp(fogdensity/fog);
814 // fog method: darken, additive fog
815 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
816 // 2. render fog as additive
820 memset(&mstate, 0, sizeof(mstate));
821 if (ent->effects & EF_ADDITIVE)
823 mstate.blendfunc1 = GL_SRC_ALPHA;
824 mstate.blendfunc2 = GL_ONE;
826 else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
828 mstate.blendfunc1 = GL_SRC_ALPHA;
829 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
833 mstate.blendfunc1 = GL_ONE;
834 mstate.blendfunc2 = GL_ZERO;
836 colorscale = r_colorscale;
837 if (gl_combine.integer)
839 mstate.texrgbscale[0] = 4;
842 mstate.tex[0] = R_GetTexture(texture);
843 R_Mesh_State(&mstate);
844 ZymoticLerpBones(ent->model->zymnum_bones, (zymbonematrix *) ent->model->zymdata_poses, ent->frameblend, ent->model->zymdata_bones);
845 ZymoticTransformVerts(numverts, varray_vertex, ent->model->zymdata_vertbonecounts, ent->model->zymdata_verts);
846 ZymoticCalcNormals(numverts, varray_vertex, aliasvert_normals, ent->model->zymnum_shaders, ent->model->zymdata_renderlist);
847 memcpy(varray_texcoord[0], ent->model->zymdata_texcoords, ent->model->zymnum_verts * sizeof(float[4]));
849 R_LightModel(ent, numverts, varray_vertex, aliasvert_normals, varray_color, ifog * colorscale, ifog * colorscale, ifog * colorscale, false);
850 R_Mesh_Draw(numverts, numtriangles, elements);
851 c_alias_polys += numtriangles;
855 memset(&mstate, 0, sizeof(mstate));
856 mstate.blendfunc1 = GL_SRC_ALPHA;
857 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
858 // FIXME: need alpha mask for fogging...
859 //mstate.tex[0] = R_GetTexture(texture);
860 R_Mesh_State(&mstate);
861 GL_Color(fogcolor[0] * r_colorscale, fogcolor[1] * r_colorscale, fogcolor[2] * r_colorscale, ent->alpha * fog);
862 R_Mesh_Draw(numverts, numtriangles, elements);
863 c_alias_polys += numtriangles;
867 void R_Model_Zymotic_Draw(entity_render_t *ent)
871 if (ent->alpha < (1.0f / 64.0f))
872 return; // basically completely transparent
876 for (i = 0;i < ent->model->zymnum_shaders;i++)
878 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(ent->model->zymdata_textures[i]))
879 R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
881 R_DrawZymoticModelMeshCallback(ent, i);
885 void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent)
890 void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, float lightradius2, float lightdistbias, float lightsubtract, float *lightcolor)
895 void R_Model_Zymotic_DrawOntoLight(entity_render_t *ent)