3 #include "cl_collision.h"
11 // LordHavoc: vertex arrays
13 void *aliasvertarrays = NULL;
14 float *aliasvertcolor4fbuf = NULL;
15 float *aliasvertcolor4f = NULL; // this may point at aliasvertcolorbuf or at vertex arrays in the mesh backend
16 float *aliasvert_svector3f = NULL;
17 float *aliasvert_tvector3f = NULL;
18 float *aliasvert_normal3f = NULL;
20 float *aliasvertcolor2_4f = NULL;
22 zymbonematrix *zymbonepose;
24 mempool_t *gl_models_mempool;
26 #define expandaliasvert(newmax) if ((newmax) > aliasvertmax) gl_models_allocarrays(newmax)
28 void gl_models_allocarrays(int newmax)
31 aliasvertmax = newmax;
32 if (aliasvertarrays != NULL)
33 Mem_Free(aliasvertarrays);
34 aliasvertarrays = Mem_Alloc(gl_models_mempool, aliasvertmax * (sizeof(float[4+4+3+3+3]) + sizeof(int[3])));
35 data = aliasvertarrays;
36 aliasvertcolor4f = aliasvertcolor4fbuf = (void *)data;data += aliasvertmax * sizeof(float[4]);
37 aliasvertcolor2_4f = (void *)data;data += aliasvertmax * sizeof(float[4]); // used temporarily for tinted coloring
38 aliasvert_svector3f = (void *)data;data += aliasvertmax * sizeof(float[3]);
39 aliasvert_tvector3f = (void *)data;data += aliasvertmax * sizeof(float[3]);
40 aliasvert_normal3f = (void *)data;data += aliasvertmax * sizeof(float[3]);
41 aliasvertusage = (void *)data;data += aliasvertmax * sizeof(int[3]);
44 void gl_models_freearrays(void)
47 if (aliasvertarrays != NULL)
48 Mem_Free(aliasvertarrays);
49 aliasvertarrays = NULL;
50 aliasvertcolor4f = aliasvertcolor4fbuf = NULL;
51 aliasvertcolor2_4f = NULL;
52 aliasvert_svector3f = NULL;
53 aliasvert_tvector3f = NULL;
54 aliasvert_normal3f = NULL;
55 aliasvertusage = NULL;
58 void gl_models_start(void)
60 // allocate vertex processing arrays
61 gl_models_mempool = Mem_AllocPool("GL_Models");
62 zymbonepose = Mem_Alloc(gl_models_mempool, sizeof(zymbonematrix[256]));
63 gl_models_allocarrays(4096);
66 void gl_models_shutdown(void)
68 gl_models_freearrays();
69 Mem_FreePool(&gl_models_mempool);
72 void gl_models_newmap(void)
76 void GL_Models_Init(void)
78 R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
81 #define MODELARRAY_VERTEX 0
82 #define MODELARRAY_SVECTOR 1
83 #define MODELARRAY_TVECTOR 2
84 #define MODELARRAY_NORMAL 3
86 void R_Model_Alias_GetMesh_Array3f(const entity_render_t *ent, aliasmesh_t *mesh, int whicharray, float *out3f)
89 float lerp1, lerp2, lerp3, lerp4;
90 const float *vertsbase, *verts1, *verts2, *verts3, *verts4;
94 case MODELARRAY_VERTEX:vertsbase = mesh->data_aliasvertex3f;break;
95 case MODELARRAY_SVECTOR:vertsbase = mesh->data_aliassvector3f;break;
96 case MODELARRAY_TVECTOR:vertsbase = mesh->data_aliastvector3f;break;
97 case MODELARRAY_NORMAL:vertsbase = mesh->data_aliasnormal3f;break;
99 Host_Error("R_Model_Alias_GetBlendedArray: unknown whicharray %i\n", whicharray);
103 vertcount = mesh->num_vertices;
104 verts1 = vertsbase + ent->frameblend[0].frame * vertcount * 3;
105 lerp1 = ent->frameblend[0].lerp;
106 if (ent->frameblend[1].lerp)
108 verts2 = vertsbase + ent->frameblend[1].frame * vertcount * 3;
109 lerp2 = ent->frameblend[1].lerp;
110 if (ent->frameblend[2].lerp)
112 verts3 = vertsbase + ent->frameblend[2].frame * vertcount * 3;
113 lerp3 = ent->frameblend[2].lerp;
114 if (ent->frameblend[3].lerp)
116 verts4 = vertsbase + ent->frameblend[3].frame * vertcount * 3;
117 lerp4 = ent->frameblend[3].lerp;
118 for (i = 0;i < vertcount * 3;i++)
119 VectorMAMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, lerp4, verts4 + i, out3f + i);
122 for (i = 0;i < vertcount * 3;i++)
123 VectorMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, out3f + i);
126 for (i = 0;i < vertcount * 3;i++)
127 VectorMAM(lerp1, verts1 + i, lerp2, verts2 + i, out3f + i);
130 memcpy(out3f, verts1, vertcount * sizeof(float[3]));
133 aliaslayer_t r_aliasnoskinlayers[2] = {{ALIASLAYER_DIFFUSE, NULL, NULL}, {ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS, NULL, NULL}};
134 aliasskin_t r_aliasnoskin = {0, 2, r_aliasnoskinlayers};
135 aliasskin_t *R_FetchAliasSkin(const entity_render_t *ent, const aliasmesh_t *mesh)
137 model_t *model = ent->model;
140 int s = ent->skinnum;
141 if ((unsigned int)s >= (unsigned int)model->numskins)
143 if (model->skinscenes[s].framecount > 1)
144 s = model->skinscenes[s].firstframe + (int) (cl.time * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
146 s = model->skinscenes[s].firstframe;
147 if (s >= mesh->num_skins)
149 return mesh->data_skins + s;
153 r_aliasnoskinlayers[0].texture = r_notexture;
154 return &r_aliasnoskin;
158 void R_DrawAliasModelCallback (const void *calldata1, int calldata2)
160 int c, fullbright, layernum, firstpass;
161 float tint[3], fog, ifog, colorscale, ambientcolor4f[4];
165 const entity_render_t *ent = calldata1;
166 aliasmesh_t *mesh = ent->model->aliasdata_meshes + calldata2;
169 rcachearrayrequest_t request;
171 R_Mesh_Matrix(&ent->matrix);
176 VectorSubtract(ent->origin, r_origin, diff);
177 fog = DotProduct(diff,diff);
180 fog = exp(fogdensity/fog);
185 // fog method: darken, additive fog
186 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
187 // 2. render fog as additive
192 skin = R_FetchAliasSkin(ent, mesh);
193 for (layernum = 0, layer = skin->data_layers;layernum < skin->num_layers;layernum++, layer++)
195 if (!(layer->flags & ALIASLAYER_FORCEDRAW_IF_FIRSTPASS) || !firstpass)
197 if (((layer->flags & ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED) && ent->colormap < 0)
198 || ((layer->flags & ALIASLAYER_NODRAW_IF_COLORMAPPED) && ent->colormap >= 0)
199 || ((layer->flags & ALIASLAYER_FOG) && !fogenabled)
200 || (layer->flags & ALIASLAYER_SPECULAR)
201 || ((layer->flags & ALIASLAYER_DIFFUSE) && (r_shadow_realtime_world.integer && r_ambient.integer <= 0 && r_fullbright.integer == 0 && !(ent->effects & EF_FULLBRIGHT))))
204 memset(&m, 0, sizeof(m));
205 if (!firstpass || (ent->effects & EF_ADDITIVE))
207 m.blendfunc1 = GL_SRC_ALPHA;
208 m.blendfunc2 = GL_ONE;
210 else if ((skin->flags & ALIASSKIN_TRANSPARENT) || ent->alpha != 1.0)
212 m.blendfunc1 = GL_SRC_ALPHA;
213 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
217 m.blendfunc1 = GL_ONE;
218 m.blendfunc2 = GL_ZERO;
221 expandaliasvert(mesh->num_vertices);
222 colorscale = r_colorscale;
223 m.texrgbscale[0] = 1;
224 m.tex[0] = R_GetTexture(layer->texture);
225 if (gl_combine.integer && layer->flags & (ALIASLAYER_DIFFUSE | ALIASLAYER_SPECULAR))
228 m.texrgbscale[0] = 4;
230 c_alias_polys += mesh->num_triangles;
231 if (gl_mesh_copyarrays.integer)
234 R_Mesh_GetSpace(mesh->num_vertices);
235 if (layer->texture != NULL)
236 R_Mesh_CopyTexCoord2f(0, mesh->data_texcoord2f, mesh->num_vertices);
237 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_VERTEX, varray_vertex3f);
241 m.pointervertexcount = mesh->num_vertices;
242 memset(&request, 0, sizeof(request));
243 request.data_size = mesh->num_vertices * sizeof(float[3]);
244 request.id_pointer2 = mesh->data_aliasvertex3f;
245 request.id_number1 = layernum;
246 request.id_number2 = 0;
247 request.id_number3 = CRC_Block((void *)ent->frameblend, sizeof(ent->frameblend));
248 if (R_Mesh_CacheArray(&request))
249 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_VERTEX, request.data);
250 m.pointer_vertex = request.data;
251 m.pointer_texcoord[0] = layer->texture != NULL ? mesh->data_texcoord2f : NULL;
253 if (layer->flags & ALIASLAYER_FOG)
256 GL_Color(fogcolor[0] * colorscale, fogcolor[1] * colorscale, fogcolor[2] * colorscale, ent->alpha);
260 if (layer->flags & (ALIASLAYER_COLORMAP_PANTS | ALIASLAYER_COLORMAP_SHIRT))
262 // 128-224 are backwards ranges
263 if (layer->flags & ALIASLAYER_COLORMAP_PANTS)
264 c = (ent->colormap & 0xF) << 4;
265 else //if (layer->flags & ALIASLAYER_COLORMAP_SHIRT)
266 c = (ent->colormap & 0xF0);
267 c += (c >= 128 && c < 224) ? 4 : 12;
268 bcolor = (qbyte *) (&palette_complete[c]);
269 fullbright = c >= 224;
270 VectorScale(bcolor, (1.0f / 255.0f), tint);
274 tint[0] = tint[1] = tint[2] = 1;
278 if (fullbright || !(layer->flags & ALIASLAYER_DIFFUSE) || r_fullbright.integer || (ent->effects & EF_FULLBRIGHT))
279 GL_Color(tint[0] * colorscale, tint[1] * colorscale, tint[2] * colorscale, ent->alpha);
280 else if (r_shadow_realtime_world.integer)
282 colorscale *= r_ambient.value * (2.0f / 128.0f);
283 GL_Color(tint[0] * colorscale, tint[1] * colorscale, tint[2] * colorscale, ent->alpha);
287 if (R_LightModel(ambientcolor4f, ent, tint[0] * colorscale, tint[1] * colorscale, tint[2] * colorscale, ent->alpha, false))
290 if (gl_mesh_copyarrays.integer)
292 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_NORMAL, aliasvert_normal3f);
293 R_LightModel_CalcVertexColors(ambientcolor4f, mesh->num_vertices, varray_vertex3f, aliasvert_normal3f, varray_color4f);
297 // request color4f cache
298 request.data_size = mesh->num_vertices * sizeof(float[4]);
299 request.id_pointer1 = ent;
300 request.id_number2 = 2;
301 request.id_number3 = CRC_Block((void *)ent->frameblend, sizeof(ent->frameblend)) + CRC_Block((void *)&ent->entlightstime, sizeof(ent->entlightstime));
302 if (R_Mesh_CacheArray(&request))
304 // save off the color pointer before we blow away the request
305 m.pointer_color = request.data;
306 // request normal3f cache
307 request.data_size = mesh->num_vertices * sizeof(float[3]);
308 request.id_pointer1 = NULL;
309 request.id_number2 = 3;
310 request.id_number3 = CRC_Block((void *)ent->frameblend, sizeof(ent->frameblend));
311 if (R_Mesh_CacheArray(&request))
312 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_NORMAL, request.data);
313 R_LightModel_CalcVertexColors(ambientcolor4f, mesh->num_vertices, m.pointer_vertex, request.data, m.pointer_color);
316 m.pointer_color = request.data;
320 GL_Color(ambientcolor4f[0], ambientcolor4f[1], ambientcolor4f[2], ambientcolor4f[3]);
323 if (!gl_mesh_copyarrays.integer)
325 R_Mesh_Draw(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
329 void R_Model_Alias_Draw(entity_render_t *ent)
333 if (ent->alpha < (1.0f / 64.0f))
334 return; // basically completely transparent
338 for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++, mesh++)
340 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchAliasSkin(ent, mesh)->flags & ALIASSKIN_TRANSPARENT)
341 R_MeshQueue_AddTransparent(ent->origin, R_DrawAliasModelCallback, ent, meshnum);
343 R_DrawAliasModelCallback(ent, meshnum);
347 void R_Model_Alias_DrawFakeShadow (entity_render_t *ent)
353 float *v, plane[4], dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3];
354 rcachearrayrequest_t request;
356 if ((ent->effects & EF_ADDITIVE) || ent->alpha < 1)
359 lightdirection[0] = 0.5;
360 lightdirection[1] = 0.2;
361 lightdirection[2] = -1;
362 VectorNormalizeFast(lightdirection);
364 VectorMA(ent->origin, 65536.0f, lightdirection, v2);
365 if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1)
368 R_Mesh_Matrix(&ent->matrix);
370 memset(&m, 0, sizeof(m));
371 m.blendfunc1 = GL_SRC_ALPHA;
372 m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
373 if (gl_mesh_copyarrays.integer)
375 GL_Color(0, 0, 0, 0.5);
377 // put a light direction in the entity's coordinate space
378 Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, projection);
379 VectorNormalizeFast(projection);
381 // put the plane's normal in the entity's coordinate space
382 Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, plane);
383 VectorNormalizeFast(plane);
385 // put the plane's distance in the entity's coordinate space
386 VectorSubtract(floororigin, ent->origin, floororigin);
387 plane[3] = DotProduct(floororigin, surfnormal) + 2;
389 dist = -1.0f / DotProduct(projection, plane);
390 VectorScale(projection, dist, projection);
391 memset(&request, 0, sizeof(request));
392 for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++)
394 skin = R_FetchAliasSkin(ent, mesh);
395 if (skin->flags & ALIASSKIN_TRANSPARENT)
397 if (gl_mesh_copyarrays.integer)
399 R_Mesh_GetSpace(mesh->num_vertices);
400 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_VERTEX, varray_vertex3f);
401 for (i = 0, v = varray_vertex3f;i < mesh->num_vertices;i++, v += 3)
403 dist = DotProduct(v, plane) - plane[3];
405 VectorMA(v, dist, projection, v);
410 request.data_size = mesh->num_vertices * sizeof(float[3]);
411 request.id_pointer1 = mesh;
412 request.id_number1 = CRC_Block((void *)&ent->matrix, sizeof(ent->matrix));
413 request.id_number2 = CRC_Block((void *)&plane, sizeof(plane));
414 request.id_number3 = CRC_Block((void *)&ent->frameblend, sizeof(ent->frameblend));
415 m.pointervertexcount = mesh->num_vertices;
416 if (R_Mesh_CacheArray(&request))
418 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_VERTEX, request.data);
419 for (i = 0, v = request.data;i < mesh->num_vertices;i++, v += 3)
421 dist = DotProduct(v, plane) - plane[3];
423 VectorMA(v, dist, projection, v);
426 m.pointer_vertex = request.data;
429 c_alias_polys += mesh->num_triangles;
430 R_Mesh_Draw(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
434 void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius)
439 float projectdistance;
440 if (ent->effects & EF_ADDITIVE || ent->alpha < 1)
442 projectdistance = lightradius + ent->model->radius - sqrt(DotProduct(relativelightorigin, relativelightorigin));
443 if (projectdistance > 0.1)
445 R_Mesh_Matrix(&ent->matrix);
446 for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++, mesh++)
448 skin = R_FetchAliasSkin(ent, mesh);
449 if (skin->flags & ALIASSKIN_TRANSPARENT)
451 R_Mesh_GetSpace(mesh->num_vertices * 2);
452 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_VERTEX, varray_vertex3f);
453 R_Shadow_Volume(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, mesh->data_neighbor3i, relativelightorigin, lightradius, projectdistance);
458 void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz)
460 int c, meshnum, layernum;
461 float fog, ifog, lightcolor2[3], *vertices;
468 if (ent->effects & (EF_ADDITIVE | EF_FULLBRIGHT) || ent->alpha < 1)
471 R_Mesh_Matrix(&ent->matrix);
476 VectorSubtract(ent->origin, r_origin, diff);
477 fog = DotProduct(diff,diff);
480 fog = exp(fogdensity/fog);
485 // fog method: darken, additive fog
486 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
487 // 2. render fog as additive
491 for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++, mesh++)
493 skin = R_FetchAliasSkin(ent, mesh);
494 if (skin->flags & ALIASSKIN_TRANSPARENT)
496 expandaliasvert(mesh->num_vertices);
497 vertices = R_Shadow_VertexBuffer(mesh->num_vertices);
498 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_VERTEX, vertices);
499 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_SVECTOR, aliasvert_svector3f);
500 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_TVECTOR, aliasvert_tvector3f);
501 R_Model_Alias_GetMesh_Array3f(ent, mesh, MODELARRAY_NORMAL, aliasvert_normal3f);
502 for (layernum = 0, layer = skin->data_layers;layernum < skin->num_layers;layernum++, layer++)
504 if (!(layer->flags & (ALIASLAYER_DIFFUSE | ALIASLAYER_SPECULAR))
505 || ((layer->flags & ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED) && ent->colormap < 0)
506 || ((layer->flags & ALIASLAYER_NODRAW_IF_COLORMAPPED) && ent->colormap >= 0))
508 lightcolor2[0] = lightcolor[0] * ifog;
509 lightcolor2[1] = lightcolor[1] * ifog;
510 lightcolor2[2] = lightcolor[2] * ifog;
511 if (layer->flags & ALIASLAYER_SPECULAR)
513 c_alias_polys += mesh->num_triangles;
514 R_Shadow_SpecularLighting(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertices, aliasvert_svector3f, aliasvert_tvector3f, aliasvert_normal3f, mesh->data_texcoord2f, relativelightorigin, relativeeyeorigin, lightradius, lightcolor2, matrix_modeltofilter, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, layer->texture, layer->nmap, NULL);
516 else if (layer->flags & ALIASLAYER_DIFFUSE)
518 if (layer->flags & ALIASLAYER_COLORMAP_PANTS)
520 // 128-224 are backwards ranges
521 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
522 // fullbright passes were already taken care of, so skip them in realtime lighting passes
525 bcolor = (qbyte *) (&palette_complete[c]);
526 lightcolor2[0] *= bcolor[0] * (1.0f / 255.0f);
527 lightcolor2[1] *= bcolor[1] * (1.0f / 255.0f);
528 lightcolor2[2] *= bcolor[2] * (1.0f / 255.0f);
530 else if (layer->flags & ALIASLAYER_COLORMAP_SHIRT)
532 // 128-224 are backwards ranges
533 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
534 // fullbright passes were already taken care of, so skip them in realtime lighting passes
537 bcolor = (qbyte *) (&palette_complete[c]);
538 lightcolor2[0] *= bcolor[0] * (1.0f / 255.0f);
539 lightcolor2[1] *= bcolor[1] * (1.0f / 255.0f);
540 lightcolor2[2] *= bcolor[2] * (1.0f / 255.0f);
542 c_alias_polys += mesh->num_triangles;
543 R_Shadow_DiffuseLighting(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertices, aliasvert_svector3f, aliasvert_tvector3f, aliasvert_normal3f, mesh->data_texcoord2f, relativelightorigin, lightradius, lightcolor2, matrix_modeltofilter, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, layer->texture, layer->nmap, NULL);
549 int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
552 float lerp1, lerp2, lerp3, lerp4;
553 zymbonematrix *out, rootmatrix, m;
554 const zymbonematrix *bone1, *bone2, *bone3, *bone4;
556 rootmatrix.m[0][0] = 1;
557 rootmatrix.m[0][1] = 0;
558 rootmatrix.m[0][2] = 0;
559 rootmatrix.m[0][3] = 0;
560 rootmatrix.m[1][0] = 0;
561 rootmatrix.m[1][1] = 1;
562 rootmatrix.m[1][2] = 0;
563 rootmatrix.m[1][3] = 0;
564 rootmatrix.m[2][0] = 0;
565 rootmatrix.m[2][1] = 0;
566 rootmatrix.m[2][2] = 1;
567 rootmatrix.m[2][3] = 0;
569 bone1 = bonebase + blend[0].frame * count;
570 lerp1 = blend[0].lerp;
573 bone2 = bonebase + blend[1].frame * count;
574 lerp2 = blend[1].lerp;
577 bone3 = bonebase + blend[2].frame * count;
578 lerp3 = blend[2].lerp;
582 bone4 = bonebase + blend[3].frame * count;
583 lerp4 = blend[3].lerp;
584 for (i = 0, out = zymbonepose;i < count;i++, out++)
586 // interpolate matrices
587 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
588 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
589 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
590 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
591 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
592 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
593 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
594 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
595 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
596 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
597 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
598 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
599 if (bone->parent >= 0)
600 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
602 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
613 for (i = 0, out = zymbonepose;i < count;i++, out++)
615 // interpolate matrices
616 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
617 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
618 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
619 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
620 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
621 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
622 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
623 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
624 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
625 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
626 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
627 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
628 if (bone->parent >= 0)
629 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
631 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 + bone2->m[0][0] * lerp2;
646 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
647 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
648 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
649 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
650 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
651 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
652 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
653 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
654 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
655 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
656 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
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]);
673 for (i = 0, out = zymbonepose;i < count;i++, out++)
675 // interpolate matrices
676 m.m[0][0] = bone1->m[0][0] * lerp1;
677 m.m[0][1] = bone1->m[0][1] * lerp1;
678 m.m[0][2] = bone1->m[0][2] * lerp1;
679 m.m[0][3] = bone1->m[0][3] * lerp1;
680 m.m[1][0] = bone1->m[1][0] * lerp1;
681 m.m[1][1] = bone1->m[1][1] * lerp1;
682 m.m[1][2] = bone1->m[1][2] * lerp1;
683 m.m[1][3] = bone1->m[1][3] * lerp1;
684 m.m[2][0] = bone1->m[2][0] * lerp1;
685 m.m[2][1] = bone1->m[2][1] * lerp1;
686 m.m[2][2] = bone1->m[2][2] * lerp1;
687 m.m[2][3] = bone1->m[2][3] * lerp1;
688 if (bone->parent >= 0)
689 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
691 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
699 for (i = 0, out = zymbonepose;i < count;i++, out++)
701 if (bone->parent >= 0)
702 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
704 R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
713 void ZymoticTransformVerts(int vertcount, float *vertex, int *bonecounts, zymvertex_t *vert)
717 zymbonematrix *matrix;
721 // FIXME: validate bonecounts at load time (must be >= 1)
722 // FIXME: need 4th component in origin, for how much of the translate to blend in
725 matrix = &zymbonepose[vert->bonenum];
726 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];
727 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];
728 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];
736 matrix = &zymbonepose[vert->bonenum];
737 out[0] += vert->origin[0] * matrix->m[0][0] + vert->origin[1] * matrix->m[0][1] + vert->origin[2] * matrix->m[0][2] + matrix->m[0][3];
738 out[1] += vert->origin[0] * matrix->m[1][0] + vert->origin[1] * matrix->m[1][1] + vert->origin[2] * matrix->m[1][2] + matrix->m[1][3];
739 out[2] += vert->origin[0] * matrix->m[2][0] + vert->origin[1] * matrix->m[2][1] + vert->origin[2] * matrix->m[2][2] + matrix->m[2][3];
747 void ZymoticCalcNormal3f(int vertcount, float *vertex3f, float *normal3f, int shadercount, int *renderlist)
750 float *out, v1[3], v2[3], normal[3], s;
753 memset(normal3f, 0, sizeof(float) * vertcount * 3);
754 memset(aliasvertusage, 0, sizeof(int) * vertcount);
755 // parse render list and accumulate surface normals
764 v1[0] = vertex3f[a+0] - vertex3f[b+0];
765 v1[1] = vertex3f[a+1] - vertex3f[b+1];
766 v1[2] = vertex3f[a+2] - vertex3f[b+2];
767 v2[0] = vertex3f[c+0] - vertex3f[b+0];
768 v2[1] = vertex3f[c+1] - vertex3f[b+1];
769 v2[2] = vertex3f[c+2] - vertex3f[b+2];
770 CrossProduct(v1, v2, normal);
771 VectorNormalizeFast(normal);
772 // add surface normal to vertices
773 a = renderlist[0] * 3;
774 normal3f[a+0] += normal[0];
775 normal3f[a+1] += normal[1];
776 normal3f[a+2] += normal[2];
777 aliasvertusage[renderlist[0]]++;
778 a = renderlist[1] * 3;
779 normal3f[a+0] += normal[0];
780 normal3f[a+1] += normal[1];
781 normal3f[a+2] += normal[2];
782 aliasvertusage[renderlist[1]]++;
783 a = renderlist[2] * 3;
784 normal3f[a+0] += normal[0];
785 normal3f[a+1] += normal[1];
786 normal3f[a+2] += normal[2];
787 aliasvertusage[renderlist[2]]++;
791 // FIXME: precalc this
792 // average surface normals
809 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
811 float fog, ifog, colorscale, ambientcolor4f[4];
813 int i, *renderlist, *elements;
816 const entity_render_t *ent = calldata1;
817 int shadernum = calldata2;
818 int numverts, numtriangles;
820 R_Mesh_Matrix(&ent->matrix);
822 // find the vertex index list and texture
823 renderlist = ent->model->zymdata_renderlist;
824 for (i = 0;i < shadernum;i++)
825 renderlist += renderlist[0] * 3 + 1;
826 texture = ent->model->zymdata_textures[shadernum];
828 numverts = ent->model->zymnum_verts;
829 numtriangles = *renderlist++;
830 elements = renderlist;
832 expandaliasvert(numverts);
837 VectorSubtract(ent->origin, r_origin, diff);
838 fog = DotProduct(diff,diff);
841 fog = exp(fogdensity/fog);
846 // fog method: darken, additive fog
847 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
848 // 2. render fog as additive
852 memset(&mstate, 0, sizeof(mstate));
853 if (ent->effects & EF_ADDITIVE)
855 mstate.blendfunc1 = GL_SRC_ALPHA;
856 mstate.blendfunc2 = GL_ONE;
858 else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
860 mstate.blendfunc1 = GL_SRC_ALPHA;
861 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
865 mstate.blendfunc1 = GL_ONE;
866 mstate.blendfunc2 = GL_ZERO;
868 colorscale = r_colorscale;
869 if (gl_combine.integer)
871 mstate.texrgbscale[0] = 4;
874 mstate.tex[0] = R_GetTexture(texture);
875 R_Mesh_State(&mstate);
876 ZymoticLerpBones(ent->model->zymnum_bones, (zymbonematrix *) ent->model->zymdata_poses, ent->frameblend, ent->model->zymdata_bones);
878 R_Mesh_GetSpace(numverts);
879 ZymoticTransformVerts(numverts, varray_vertex3f, ent->model->zymdata_vertbonecounts, ent->model->zymdata_verts);
880 R_Mesh_CopyTexCoord2f(0, ent->model->zymdata_texcoords, ent->model->zymnum_verts);
881 ZymoticCalcNormal3f(numverts, varray_vertex3f, aliasvert_normal3f, ent->model->zymnum_shaders, ent->model->zymdata_renderlist);
882 if (R_LightModel(ambientcolor4f, ent, ifog * colorscale, ifog * colorscale, ifog * colorscale, ent->alpha, false))
885 R_LightModel_CalcVertexColors(ambientcolor4f, numverts, varray_vertex3f, aliasvert_normal3f, varray_color4f);
888 GL_Color(ambientcolor4f[0], ambientcolor4f[1], ambientcolor4f[2], ambientcolor4f[3]);
889 R_Mesh_Draw(numverts, numtriangles, elements);
890 c_alias_polys += numtriangles;
894 memset(&mstate, 0, sizeof(mstate));
895 mstate.blendfunc1 = GL_SRC_ALPHA;
896 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
897 // FIXME: need alpha mask for fogging...
898 //mstate.tex[0] = R_GetTexture(texture);
899 R_Mesh_State(&mstate);
900 GL_Color(fogcolor[0] * r_colorscale, fogcolor[1] * r_colorscale, fogcolor[2] * r_colorscale, ent->alpha * fog);
901 R_Mesh_GetSpace(numverts);
902 ZymoticTransformVerts(numverts, varray_vertex3f, ent->model->zymdata_vertbonecounts, ent->model->zymdata_verts);
903 R_Mesh_Draw(numverts, numtriangles, elements);
904 c_alias_polys += numtriangles;
908 void R_Model_Zymotic_Draw(entity_render_t *ent)
912 if (ent->alpha < (1.0f / 64.0f))
913 return; // basically completely transparent
917 for (i = 0;i < ent->model->zymnum_shaders;i++)
919 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(ent->model->zymdata_textures[i]))
920 R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
922 R_DrawZymoticModelMeshCallback(ent, i);
926 void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent)
931 void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, float lightradius2, float lightdistbias, float lightsubtract, float *lightcolor)
936 void R_Model_Zymotic_DrawOntoLight(entity_render_t *ent)