gl_models.c

   1
   2 #include "quakedef.h"
   3 #include "cl_collision.h"
   4 #include "r_shadow.h"
   5
   6 typedef struct
   7 {
   8         float m[3][4];
   9 } zymbonematrix;
  10
  11 // LordHavoc: vertex arrays
  12 int aliasvertmax = 0;
  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;
  19
  20 float *aliasvertcolor2_4f = NULL;
  21 int *aliasvertusage;
  22 zymbonematrix *zymbonepose;
  23
  24 mempool_t *gl_models_mempool;
  25
  26 #define expandaliasvert(newmax) if ((newmax) > aliasvertmax) gl_models_allocarrays(newmax)
  27
  28 void gl_models_allocarrays(int newmax)
  29 {
  30         qbyte *data;
  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]);
  42 }
  43
  44 void gl_models_freearrays(void)
  45 {
  46         aliasvertmax = 0;
  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;
  56 }
  57
  58 void gl_models_start(void)
  59 {
  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);
  64 }
  65
  66 void gl_models_shutdown(void)
  67 {
  68         gl_models_freearrays();
  69         Mem_FreePool(&gl_models_mempool);
  70 }
  71
  72 void gl_models_newmap(void)
  73 {
  74 }
  75
  76 void GL_Models_Init(void)
  77 {
  78         R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
  79 }
  80
  81 #define MODELARRAY_VERTEX 0
  82 #define MODELARRAY_SVECTOR 1
  83 #define MODELARRAY_TVECTOR 2
  84 #define MODELARRAY_NORMAL 3
  85
  86 void R_Model_Alias_GetMesh_Array3f(const entity_render_t *ent, aliasmesh_t *mesh, int whicharray, float *out3f)
  87 {
  88         int i, vertcount;
  89         float lerp1, lerp2, lerp3, lerp4;
  90         const float *vertsbase, *verts1, *verts2, *verts3, *verts4;
  91
  92         switch(whicharray)
  93         {
  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;
  98         default:
  99                 Host_Error("R_Model_Alias_GetBlendedArray: unknown whicharray %i\n", whicharray);
 100                 return;
 101         }
 102
 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)
 107         {
 108                 verts2 = vertsbase + ent->frameblend[1].frame * vertcount * 3;
 109                 lerp2 = ent->frameblend[1].lerp;
 110                 if (ent->frameblend[2].lerp)
 111                 {
 112                         verts3 = vertsbase + ent->frameblend[2].frame * vertcount * 3;
 113                         lerp3 = ent->frameblend[2].lerp;
 114                         if (ent->frameblend[3].lerp)
 115                         {
 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);
 120                         }
 121                         else
 122                                 for (i = 0;i < vertcount * 3;i++)
 123                                         VectorMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, out3f + i);
 124                 }
 125                 else
 126                         for (i = 0;i < vertcount * 3;i++)
 127                                 VectorMAM(lerp1, verts1 + i, lerp2, verts2 + i, out3f + i);
 128         }
 129         else
 130                 memcpy(out3f, verts1, vertcount * sizeof(float[3]));
 131 }
 132
 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)
 136 {
 137         model_t *model = ent->model;
 138         if (model->numskins)
 139         {
 140                 int s = ent->skinnum;
 141                 if ((unsigned int)s >= (unsigned int)model->numskins)
 142                         s = 0;
 143                 if (model->skinscenes[s].framecount > 1)
 144                         s = model->skinscenes[s].firstframe + (int) (cl.time * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
 145                 else
 146                         s = model->skinscenes[s].firstframe;
 147                 if (s >= mesh->num_skins)
 148                         s = 0;
 149                 return mesh->data_skins + s;
 150         }
 151         else
 152         {
 153                 r_aliasnoskinlayers[0].texture = r_notexture;
 154                 return &r_aliasnoskin;
 155         }
 156 }
 157
 158 void R_DrawAliasModelCallback (const void *calldata1, int calldata2)
 159 {
 160         int c, fullbright, layernum, firstpass;
 161         float tint[3], fog, ifog, colorscale, ambientcolor4f[4];
 162         vec3_t diff;
 163         qbyte *bcolor;
 164         rmeshstate_t m;
 165         const entity_render_t *ent = calldata1;
 166         aliasmesh_t *mesh = ent->model->aliasdata_meshes + calldata2;
 167         aliaslayer_t *layer;
 168         aliasskin_t *skin;
 169         rcachearrayrequest_t request;
 170
 171         R_Mesh_Matrix(&ent->matrix);
 172
 173         fog = 0;
 174         if (fogenabled)
 175         {
 176                 VectorSubtract(ent->origin, r_origin, diff);
 177                 fog = DotProduct(diff,diff);
 178                 if (fog < 0.01f)
 179                         fog = 0.01f;
 180                 fog = exp(fogdensity/fog);
 181                 if (fog > 1)
 182                         fog = 1;
 183                 if (fog < 0.01f)
 184                         fog = 0;
 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
 188         }
 189         ifog = 1 - fog;
 190
 191         firstpass = true;
 192         skin = R_FetchAliasSkin(ent, mesh);
 193         for (layernum = 0, layer = skin->data_layers;layernum < skin->num_layers;layernum++, layer++)
 194         {
 195                 if (!(layer->flags & ALIASLAYER_FORCEDRAW_IF_FIRSTPASS) || !firstpass)
 196                 {
 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))))
 202                                 continue;
 203                 }
 204                 memset(&m, 0, sizeof(m));
 205                 if (!firstpass || (ent->effects & EF_ADDITIVE))
 206                 {
 207                         m.blendfunc1 = GL_SRC_ALPHA;
 208                         m.blendfunc2 = GL_ONE;
 209                 }
 210                 else if ((skin->flags & ALIASSKIN_TRANSPARENT) || ent->alpha != 1.0)
 211                 {
 212                         m.blendfunc1 = GL_SRC_ALPHA;
 213                         m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 214                 }
 215                 else
 216                 {
 217                         m.blendfunc1 = GL_ONE;
 218                         m.blendfunc2 = GL_ZERO;
 219                 }
 220                 firstpass = false;
 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))
 226                 {
 227                         colorscale *= 0.25f;
 228                         m.texrgbscale[0] = 4;
 229                 }
 230                 c_alias_polys += mesh->num_triangles;
 231                 if (gl_mesh_copyarrays.integer)
 232                 {
 233                         R_Mesh_State(&m);
 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);
 238                 }
 239                 else
 240                 {
 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;
 252                 }
 253                 if (layer->flags & ALIASLAYER_FOG)
 254                 {
 255                         colorscale *= fog;
 256                         GL_Color(fogcolor[0] * colorscale, fogcolor[1] * colorscale, fogcolor[2] * colorscale, ent->alpha);
 257                 }
 258                 else
 259                 {
 260                         if (layer->flags & (ALIASLAYER_COLORMAP_PANTS | ALIASLAYER_COLORMAP_SHIRT))
 261                         {
 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);
 271                         }
 272                         else
 273                         {
 274                                 tint[0] = tint[1] = tint[2] = 1;
 275                                 fullbright = false;
 276                         }
 277                         colorscale *= ifog;
 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)
 281                         {
 282                                 colorscale *= r_ambient.value * (2.0f / 128.0f);
 283                                 GL_Color(tint[0] * colorscale, tint[1] * colorscale, tint[2] * colorscale, ent->alpha);
 284                         }
 285                         else
 286                         {
 287                                 if (R_LightModel(ambientcolor4f, ent, tint[0] * colorscale, tint[1] * colorscale, tint[2] * colorscale, ent->alpha, false))
 288                                 {
 289                                         GL_UseColorArray();
 290                                         if (gl_mesh_copyarrays.integer)
 291                                         {
 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);
 294                                         }
 295                                         else
 296                                         {
 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))
 303                                                 {
 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);
 314                                                 }
 315                                                 else
 316                                                         m.pointer_color = request.data;
 317                                         }
 318                                 }
 319                                 else
 320                                         GL_Color(ambientcolor4f[0], ambientcolor4f[1], ambientcolor4f[2], ambientcolor4f[3]);
 321                         }
 322                 }
 323                 if (!gl_mesh_copyarrays.integer)
 324                         R_Mesh_State(&m);
 325                 R_Mesh_Draw(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
 326         }
 327 }
 328
 329 void R_Model_Alias_Draw(entity_render_t *ent)
 330 {
 331         int meshnum;
 332         aliasmesh_t *mesh;
 333         if (ent->alpha < (1.0f / 64.0f))
 334                 return; // basically completely transparent
 335
 336         c_models++;
 337
 338         for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++, mesh++)
 339         {
 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);
 342                 else
 343                         R_DrawAliasModelCallback(ent, meshnum);
 344         }
 345 }
 346
 347 void R_Model_Alias_DrawFakeShadow (entity_render_t *ent)
 348 {
 349         int i, meshnum;
 350         aliasmesh_t *mesh;
 351         aliasskin_t *skin;
 352         rmeshstate_t m;
 353         float *v, plane[4], dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3];
 354         rcachearrayrequest_t request;
 355
 356         if ((ent->effects & EF_ADDITIVE) || ent->alpha < 1)
 357                 return;
 358
 359         lightdirection[0] = 0.5;
 360         lightdirection[1] = 0.2;
 361         lightdirection[2] = -1;
 362         VectorNormalizeFast(lightdirection);
 363
 364         VectorMA(ent->origin, 65536.0f, lightdirection, v2);
 365         if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1)
 366                 return;
 367
 368         R_Mesh_Matrix(&ent->matrix);
 369
 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)
 374                 R_Mesh_State(&m);
 375         GL_Color(0, 0, 0, 0.5);
 376
 377         // put a light direction in the entity's coordinate space
 378         Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, projection);
 379         VectorNormalizeFast(projection);
 380
 381         // put the plane's normal in the entity's coordinate space
 382         Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, plane);
 383         VectorNormalizeFast(plane);
 384
 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;
 388
 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++)
 393         {
 394                 skin = R_FetchAliasSkin(ent, mesh);
 395                 if (skin->flags & ALIASSKIN_TRANSPARENT)
 396                         continue;
 397                 if (gl_mesh_copyarrays.integer)
 398                 {
 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)
 402                         {
 403                                 dist = DotProduct(v, plane) - plane[3];
 404                                 if (dist > 0)
 405                                         VectorMA(v, dist, projection, v);
 406                         }
 407                 }
 408                 else
 409                 {
 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))
 417                         {
 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)
 420                                 {
 421                                         dist = DotProduct(v, plane) - plane[3];
 422                                         if (dist > 0)
 423                                                 VectorMA(v, dist, projection, v);
 424                                 }
 425                         }
 426                         m.pointer_vertex = request.data;
 427                         R_Mesh_State(&m);
 428                 }
 429                 c_alias_polys += mesh->num_triangles;
 430                 R_Mesh_Draw(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
 431         }
 432 }
 433
 434 void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius)
 435 {
 436         int meshnum;
 437         aliasmesh_t *mesh;
 438         aliasskin_t *skin;
 439         float projectdistance;
 440         if (ent->effects & EF_ADDITIVE || ent->alpha < 1)
 441                 return;
 442         projectdistance = lightradius + ent->model->radius - sqrt(DotProduct(relativelightorigin, relativelightorigin));
 443         if (projectdistance > 0.1)
 444         {
 445                 R_Mesh_Matrix(&ent->matrix);
 446                 for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++, mesh++)
 447                 {
 448                         skin = R_FetchAliasSkin(ent, mesh);
 449                         if (skin->flags & ALIASSKIN_TRANSPARENT)
 450                                 continue;
 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);
 454                 }
 455         }
 456 }
 457
 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)
 459 {
 460         int c, meshnum, layernum;
 461         float fog, ifog, lightcolor2[3], *vertices;
 462         vec3_t diff;
 463         qbyte *bcolor;
 464         aliasmesh_t *mesh;
 465         aliaslayer_t *layer;
 466         aliasskin_t *skin;
 467
 468         if (ent->effects & (EF_ADDITIVE | EF_FULLBRIGHT) || ent->alpha < 1)
 469                 return;
 470
 471         R_Mesh_Matrix(&ent->matrix);
 472
 473         fog = 0;
 474         if (fogenabled)
 475         {
 476                 VectorSubtract(ent->origin, r_origin, diff);
 477                 fog = DotProduct(diff,diff);
 478                 if (fog < 0.01f)
 479                         fog = 0.01f;
 480                 fog = exp(fogdensity/fog);
 481                 if (fog > 1)
 482                         fog = 1;
 483                 if (fog < 0.01f)
 484                         fog = 0;
 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
 488         }
 489         ifog = 1 - fog;
 490
 491         for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++, mesh++)
 492         {
 493                 skin = R_FetchAliasSkin(ent, mesh);
 494                 if (skin->flags & ALIASSKIN_TRANSPARENT)
 495                         continue;
 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++)
 503                 {
 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))
 507                                 continue;
 508                         lightcolor2[0] = lightcolor[0] * ifog;
 509                         lightcolor2[1] = lightcolor[1] * ifog;
 510                         lightcolor2[2] = lightcolor[2] * ifog;
 511                         if (layer->flags & ALIASLAYER_SPECULAR)
 512                         {
 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);
 515                         }
 516                         else if (layer->flags & ALIASLAYER_DIFFUSE)
 517                         {
 518                                 if (layer->flags & ALIASLAYER_COLORMAP_PANTS)
 519                                 {
 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
 523                                         if (c >= 224)
 524                                                 continue;
 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);
 529                                 }
 530                                 else if (layer->flags & ALIASLAYER_COLORMAP_SHIRT)
 531                                 {
 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
 535                                         if (c >= 224)
 536                                                 continue;
 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);
 541                                 }
 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);
 544                         }
 545                 }
 546         }
 547 }
 548
 549 int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
 550 {
 551         int i;
 552         float lerp1, lerp2, lerp3, lerp4;
 553         zymbonematrix *out, rootmatrix, m;
 554         const zymbonematrix *bone1, *bone2, *bone3, *bone4;
 555
 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;
 568
 569         bone1 = bonebase + blend[0].frame * count;
 570         lerp1 = blend[0].lerp;
 571         if (blend[1].lerp)
 572         {
 573                 bone2 = bonebase + blend[1].frame * count;
 574                 lerp2 = blend[1].lerp;
 575                 if (blend[2].lerp)
 576                 {
 577                         bone3 = bonebase + blend[2].frame * count;
 578                         lerp3 = blend[2].lerp;
 579                         if (blend[3].lerp)
 580                         {
 581                                 // 4 poses
 582                                 bone4 = bonebase + blend[3].frame * count;
 583                                 lerp4 = blend[3].lerp;
 584                                 for (i = 0, out = zymbonepose;i < count;i++, out++)
 585                                 {
 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]);
 601                                         else
 602                                                 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 603                                         bone1++;
 604                                         bone2++;
 605                                         bone3++;
 606                                         bone4++;
 607                                         bone++;
 608                                 }
 609                         }
 610                         else
 611                         {
 612                                 // 3 poses
 613                                 for (i = 0, out = zymbonepose;i < count;i++, out++)
 614                                 {
 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]);
 630                                         else
 631                                                 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 632                                         bone1++;
 633                                         bone2++;
 634                                         bone3++;
 635                                         bone++;
 636                                 }
 637                         }
 638                 }
 639                 else
 640                 {
 641                         // 2 poses
 642                         for (i = 0, out = zymbonepose;i < count;i++, out++)
 643                         {
 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]);
 659                                 else
 660                                         R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 661                                 bone1++;
 662                                 bone2++;
 663                                 bone++;
 664                         }
 665                 }
 666         }
 667         else
 668         {
 669                 // 1 pose
 670                 if (lerp1 != 1)
 671                 {
 672                         // lerp != 1.0
 673                         for (i = 0, out = zymbonepose;i < count;i++, out++)
 674                         {
 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]);
 690                                 else
 691                                         R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 692                                 bone1++;
 693                                 bone++;
 694                         }
 695                 }
 696                 else
 697                 {
 698                         // lerp == 1.0
 699                         for (i = 0, out = zymbonepose;i < count;i++, out++)
 700                         {
 701                                 if (bone->parent >= 0)
 702                                         R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
 703                                 else
 704                                         R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
 705                                 bone1++;
 706                                 bone++;
 707                         }
 708                 }
 709         }
 710         return true;
 711 }
 712
 713 void ZymoticTransformVerts(int vertcount, float *vertex, int *bonecounts, zymvertex_t *vert)
 714 {
 715         int c;
 716         float *out = vertex;
 717         zymbonematrix *matrix;
 718         while(vertcount--)
 719         {
 720                 c = *bonecounts++;
 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
 723                 if (c == 1)
 724                 {
 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];
 729                         vert++;
 730                 }
 731                 else
 732                 {
 733                         VectorClear(out);
 734                         while(c--)
 735                         {
 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];
 740                                 vert++;
 741                         }
 742                 }
 743                 out += 3;
 744         }
 745 }
 746
 747 void ZymoticCalcNormal3f(int vertcount, float *vertex3f, float *normal3f, int shadercount, int *renderlist)
 748 {
 749         int a, b, c, d;
 750         float *out, v1[3], v2[3], normal[3], s;
 751         int *u;
 752         // clear normals
 753         memset(normal3f, 0, sizeof(float) * vertcount * 3);
 754         memset(aliasvertusage, 0, sizeof(int) * vertcount);
 755         // parse render list and accumulate surface normals
 756         while(shadercount--)
 757         {
 758                 d = *renderlist++;
 759                 while (d--)
 760                 {
 761                         a = renderlist[0]*4;
 762                         b = renderlist[1]*4;
 763                         c = renderlist[2]*4;
 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]]++;
 788                         renderlist += 3;
 789                 }
 790         }
 791         // FIXME: precalc this
 792         // average surface normals
 793         out = normal3f;
 794         u = aliasvertusage;
 795         while(vertcount--)
 796         {
 797                 if (*u > 1)
 798                 {
 799                         s = ixtable[*u];
 800                         out[0] *= s;
 801                         out[1] *= s;
 802                         out[2] *= s;
 803                 }
 804                 u++;
 805                 out += 3;
 806         }
 807 }
 808
 809 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
 810 {
 811         float fog, ifog, colorscale, ambientcolor4f[4];
 812         vec3_t diff;
 813         int i, *renderlist, *elements;
 814         rtexture_t *texture;
 815         rmeshstate_t mstate;
 816         const entity_render_t *ent = calldata1;
 817         int shadernum = calldata2;
 818         int numverts, numtriangles;
 819
 820         R_Mesh_Matrix(&ent->matrix);
 821
 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];
 827
 828         numverts = ent->model->zymnum_verts;
 829         numtriangles = *renderlist++;
 830         elements = renderlist;
 831
 832         expandaliasvert(numverts);
 833
 834         fog = 0;
 835         if (fogenabled)
 836         {
 837                 VectorSubtract(ent->origin, r_origin, diff);
 838                 fog = DotProduct(diff,diff);
 839                 if (fog < 0.01f)
 840                         fog = 0.01f;
 841                 fog = exp(fogdensity/fog);
 842                 if (fog > 1)
 843                         fog = 1;
 844                 if (fog < 0.01f)
 845                         fog = 0;
 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
 849         }
 850         ifog = 1 - fog;
 851
 852         memset(&mstate, 0, sizeof(mstate));
 853         if (ent->effects & EF_ADDITIVE)
 854         {
 855                 mstate.blendfunc1 = GL_SRC_ALPHA;
 856                 mstate.blendfunc2 = GL_ONE;
 857         }
 858         else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
 859         {
 860                 mstate.blendfunc1 = GL_SRC_ALPHA;
 861                 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 862         }
 863         else
 864         {
 865                 mstate.blendfunc1 = GL_ONE;
 866                 mstate.blendfunc2 = GL_ZERO;
 867         }
 868         colorscale = r_colorscale;
 869         if (gl_combine.integer)
 870         {
 871                 mstate.texrgbscale[0] = 4;
 872                 colorscale *= 0.25f;
 873         }
 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);
 877
 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))
 883         {
 884                 GL_UseColorArray();
 885                 R_LightModel_CalcVertexColors(ambientcolor4f, numverts, varray_vertex3f, aliasvert_normal3f, varray_color4f);
 886         }
 887         else
 888                 GL_Color(ambientcolor4f[0], ambientcolor4f[1], ambientcolor4f[2], ambientcolor4f[3]);
 889         R_Mesh_Draw(numverts, numtriangles, elements);
 890         c_alias_polys += numtriangles;
 891
 892         if (fog)
 893         {
 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;
 905         }
 906 }
 907
 908 void R_Model_Zymotic_Draw(entity_render_t *ent)
 909 {
 910         int i;
 911
 912         if (ent->alpha < (1.0f / 64.0f))
 913                 return; // basically completely transparent
 914
 915         c_models++;
 916
 917         for (i = 0;i < ent->model->zymnum_shaders;i++)
 918         {
 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);
 921                 else
 922                         R_DrawZymoticModelMeshCallback(ent, i);
 923         }
 924 }
 925
 926 void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent)
 927 {
 928         // FIXME
 929 }
 930
 931 void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, float lightradius2, float lightdistbias, float lightsubtract, float *lightcolor)
 932 {
 933         // FIXME
 934 }
 935
 936 void R_Model_Zymotic_DrawOntoLight(entity_render_t *ent)
 937 {
 938         // FIXME
 939 }
 940