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
  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;
  18
  19 float *aliasvertcolor2;
  20 int *aliasvertusage;
  21 zymbonematrix *zymbonepose;
  22
  23 mempool_t *gl_models_mempool;
  24
  25 void gl_models_start(void)
  26 {
  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]));
  36 }
  37
  38 void gl_models_shutdown(void)
  39 {
  40         Mem_FreePool(&gl_models_mempool);
  41 }
  42
  43 void gl_models_newmap(void)
  44 {
  45 }
  46
  47 void GL_Models_Init(void)
  48 {
  49         R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
  50 }
  51
  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)
  57 {
  58         int i;
  59         vec3_t scale1, scale2, scale3, scale4, translate;
  60         const float *n1, *n2, *n3, *n4;
  61         float *av, *avn;
  62         av = vertices;
  63         avn = normals;
  64         VectorScale(fscale1, lerp1, scale1);
  65         if (lerp2)
  66         {
  67                 VectorScale(fscale2, lerp2, scale2);
  68                 if (lerp3)
  69                 {
  70                         VectorScale(fscale3, lerp3, scale3);
  71                         if (lerp4)
  72                         {
  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;
  77                                 // generate vertices
  78                                 for (i = 0;i < vertcount;i++)
  79                                 {
  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;
  90                                         av += 4;
  91                                         avn += 4;
  92                                         verts1++;verts2++;verts3++;verts4++;
  93                                 }
  94                         }
  95                         else
  96                         {
  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;
 100                                 // generate vertices
 101                                 for (i = 0;i < vertcount;i++)
 102                                 {
 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;
 112                                         av += 4;
 113                                         avn += 4;
 114                                         verts1++;verts2++;verts3++;
 115                                 }
 116                         }
 117                 }
 118                 else
 119                 {
 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;
 123                         // generate vertices
 124                         for (i = 0;i < vertcount;i++)
 125                         {
 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;
 134                                 av += 4;
 135                                 avn += 4;
 136                                 verts1++;verts2++;
 137                         }
 138                 }
 139         }
 140         else
 141         {
 142                 translate[0] = translate1[0] * lerp1;
 143                 translate[1] = translate1[1] * lerp1;
 144                 translate[2] = translate1[2] * lerp1;
 145                 // generate vertices
 146                 if (lerp1 != 1)
 147                 {
 148                         // general but almost never used case
 149                         for (i = 0;i < vertcount;i++)
 150                         {
 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;
 158                                 av += 4;
 159                                 avn += 4;
 160                                 verts1++;
 161                         }
 162                 }
 163                 else
 164                 {
 165                         // fast normal case
 166                         for (i = 0;i < vertcount;i++)
 167                         {
 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);
 172                                 av += 4;
 173                                 avn += 4;
 174                                 verts1++;
 175                         }
 176                 }
 177         }
 178 }
 179
 180 skinframe_t *R_FetchSkinFrame(const entity_render_t *ent)
 181 {
 182         model_t *model = ent->model;
 183         unsigned int s = (unsigned int) ent->skinnum;
 184         if (s >= model->numskins)
 185                 s = 0;
 186         if (model->skinscenes[s].framecount > 1)
 187                 return &model->skinframes[model->skinscenes[s].firstframe + (int) (cl.time * 10) % model->skinscenes[s].framecount];
 188         else
 189                 return &model->skinframes[model->skinscenes[s].firstframe];
 190 }
 191
 192 void R_LerpMDLMD2Vertices(const entity_render_t *ent, float *vertices, float *normals)
 193 {
 194         const md2frame_t *frame1, *frame2, *frame3, *frame4;
 195         const trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
 196         const model_t *model = ent->model;
 197
 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);
 211 }
 212
 213 void R_DrawQ1Q2AliasModelCallback (const void *calldata1, int calldata2)
 214 {
 215         int i, c, fullbright, pantsfullbright, shirtfullbright, colormapped, tex;
 216         float pantscolor[3], shirtcolor[3];
 217         float fog, ifog, colorscale;
 218         vec3_t diff;
 219         qbyte *bcolor;
 220         rmeshstate_t m;
 221         model_t *model;
 222         skinframe_t *skinframe;
 223         const entity_render_t *ent = calldata1;
 224         int blendfunc1, blendfunc2;
 225
 226         R_Mesh_Matrix(&ent->matrix);
 227
 228         model = ent->model;
 229         R_Mesh_ResizeCheck(model->numverts);
 230
 231         skinframe = R_FetchSkinFrame(ent);
 232
 233         fullbright = (ent->effects & EF_FULLBRIGHT) != 0;
 234
 235         fog = 0;
 236         if (fogenabled)
 237         {
 238                 VectorSubtract(ent->origin, r_origin, diff);
 239                 fog = DotProduct(diff,diff);
 240                 if (fog < 0.01f)
 241                         fog = 0.01f;
 242                 fog = exp(fogdensity/fog);
 243                 if (fog > 1)
 244                         fog = 1;
 245                 if (fog < 0.01f)
 246                         fog = 0;
 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
 250         }
 251         ifog = 1 - fog;
 252
 253         if (ent->effects & EF_ADDITIVE)
 254         {
 255                 blendfunc1 = GL_SRC_ALPHA;
 256                 blendfunc2 = GL_ONE;
 257         }
 258         else if (ent->alpha != 1.0 || skinframe->fog != NULL)
 259         {
 260                 blendfunc1 = GL_SRC_ALPHA;
 261                 blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 262         }
 263         else
 264         {
 265                 blendfunc1 = GL_ONE;
 266                 blendfunc2 = GL_ZERO;
 267         }
 268
 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)
 272         {
 273                 // untextured
 274                 memset(&m, 0, sizeof(m));
 275                 m.blendfunc1 = blendfunc1;
 276                 m.blendfunc2 = blendfunc2;
 277                 colorscale = r_colorscale;
 278                 if (gl_combine.integer)
 279                 {
 280                         colorscale *= 0.25f;
 281                         m.texrgbscale[0] = 4;
 282                 }
 283                 m.tex[0] = R_GetTexture(r_notexture);
 284                 R_Mesh_State(&m);
 285                 c_alias_polys += model->numtris;
 286                 for (i = 0;i < model->numverts * 4;i += 4)
 287                 {
 288                         varray_texcoord[0][i + 0] *= 8.0f;
 289                         varray_texcoord[0][i + 1] *= 8.0f;
 290                 }
 291                 R_LightModel(ent, model->numverts, varray_vertex, aliasvert_normals, varray_color, colorscale, colorscale, colorscale, false);
 292                 GL_UseColorArray();
 293                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 294                 return;
 295         }
 296
 297         colormapped = !skinframe->merged || (ent->colormap >= 0 && skinframe->base && (skinframe->pants || skinframe->shirt));
 298         if (colormapped)
 299         {
 300                 // 128-224 are backwards ranges
 301                 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
 302                 bcolor = (qbyte *) (&palette_complete[c]);
 303                 pantsfullbright = c >= 224;
 304                 VectorScale(bcolor, (1.0f / 255.0f), pantscolor);
 305                 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
 306                 bcolor = (qbyte *) (&palette_complete[c]);
 307                 shirtfullbright = c >= 224;
 308                 VectorScale(bcolor, (1.0f / 255.0f), shirtcolor);
 309         }
 310         else
 311         {
 312                 pantscolor[0] = pantscolor[1] = pantscolor[2] = shirtcolor[0] = shirtcolor[1] = shirtcolor[2] = 1;
 313                 pantsfullbright = shirtfullbright = false;
 314         }
 315
 316         tex = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged);
 317         if (tex)
 318         {
 319                 memset(&m, 0, sizeof(m));
 320                 m.blendfunc1 = blendfunc1;
 321                 m.blendfunc2 = blendfunc2;
 322                 colorscale = r_colorscale;
 323                 if (gl_combine.integer)
 324                 {
 325                         colorscale *= 0.25f;
 326                         m.texrgbscale[0] = 4;
 327                 }
 328                 m.tex[0] = tex;
 329                 R_Mesh_State(&m);
 330                 if (fullbright)
 331                         GL_Color(colorscale * ifog, colorscale * ifog, colorscale * ifog, ent->alpha);
 332                 else
 333                 {
 334                         GL_UseColorArray();
 335                         R_LightModel(ent, model->numverts, varray_vertex, aliasvert_normals, varray_color, colorscale * ifog, colorscale * ifog, colorscale * ifog, false);
 336                 }
 337                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 338                 c_alias_polys += model->numtris;
 339                 blendfunc1 = GL_SRC_ALPHA;
 340                 blendfunc2 = GL_ONE;
 341         }
 342
 343         if (colormapped)
 344         {
 345                 if (skinframe->pants)
 346                 {
 347                         tex = R_GetTexture(skinframe->pants);
 348                         if (tex)
 349                         {
 350                                 memset(&m, 0, sizeof(m));
 351                                 m.blendfunc1 = blendfunc1;
 352                                 m.blendfunc2 = blendfunc2;
 353                                 colorscale = r_colorscale;
 354                                 if (gl_combine.integer)
 355                                 {
 356                                         colorscale *= 0.25f;
 357                                         m.texrgbscale[0] = 4;
 358                                 }
 359                                 m.tex[0] = tex;
 360                                 R_Mesh_State(&m);
 361                                 if (pantsfullbright)
 362                                         GL_Color(pantscolor[0] * colorscale * ifog, pantscolor[1] * colorscale * ifog, pantscolor[2] * colorscale * ifog, ent->alpha);
 363                                 else
 364                                 {
 365                                         GL_UseColorArray();
 366                                         R_LightModel(ent, model->numverts, varray_vertex, aliasvert_normals, varray_color, pantscolor[0] * colorscale * ifog, pantscolor[1] * colorscale * ifog, pantscolor[2] * colorscale * ifog, false);
 367                                 }
 368                                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 369                                 c_alias_polys += model->numtris;
 370                                 blendfunc1 = GL_SRC_ALPHA;
 371                                 blendfunc2 = GL_ONE;
 372                         }
 373                 }
 374                 if (skinframe->shirt)
 375                 {
 376                         tex = R_GetTexture(skinframe->shirt);
 377                         if (tex)
 378                         {
 379                                 memset(&m, 0, sizeof(m));
 380                                 m.blendfunc1 = blendfunc1;
 381                                 m.blendfunc2 = blendfunc2;
 382                                 colorscale = r_colorscale;
 383                                 if (gl_combine.integer)
 384                                 {
 385                                         colorscale *= 0.25f;
 386                                         m.texrgbscale[0] = 4;
 387                                 }
 388                                 m.tex[0] = tex;
 389                                 R_Mesh_State(&m);
 390                                 if (shirtfullbright)
 391                                         GL_Color(shirtcolor[0] * colorscale * ifog, shirtcolor[1] * colorscale * ifog, shirtcolor[2] * colorscale * ifog, ent->alpha);
 392                                 else
 393                                 {
 394                                         GL_UseColorArray();
 395                                         R_LightModel(ent, model->numverts, varray_vertex, aliasvert_normals, varray_color, shirtcolor[0] * colorscale * ifog, shirtcolor[1] * colorscale * ifog, shirtcolor[2] * colorscale * ifog, false);
 396                                 }
 397                                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 398                                 c_alias_polys += model->numtris;
 399                                 blendfunc1 = GL_SRC_ALPHA;
 400                                 blendfunc2 = GL_ONE;
 401                         }
 402                 }
 403         }
 404         if (skinframe->glow)
 405         {
 406                 tex = R_GetTexture(skinframe->glow);
 407                 if (tex)
 408                 {
 409                         memset(&m, 0, sizeof(m));
 410                         m.blendfunc1 = blendfunc1;
 411                         m.blendfunc2 = blendfunc2;
 412                         m.tex[0] = tex;
 413                         R_Mesh_State(&m);
 414
 415                         blendfunc1 = GL_SRC_ALPHA;
 416                         blendfunc2 = GL_ONE;
 417                         c_alias_polys += model->numtris;
 418                         GL_Color(ifog * r_colorscale, ifog * r_colorscale, ifog * r_colorscale, ent->alpha);
 419                         R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 420                 }
 421         }
 422         if (fog)
 423         {
 424                 memset(&m, 0, sizeof(m));
 425                 m.blendfunc1 = GL_SRC_ALPHA;
 426                 m.blendfunc2 = GL_ONE;
 427                 m.tex[0] = R_GetTexture(skinframe->fog);
 428                 R_Mesh_State(&m);
 429
 430                 c_alias_polys += model->numtris;
 431                 GL_Color(fogcolor[0] * fog * r_colorscale, fogcolor[1] * fog * r_colorscale, fogcolor[2] * fog * r_colorscale, ent->alpha);
 432                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 433         }
 434 }
 435
 436 void R_Model_Alias_Draw(entity_render_t *ent)
 437 {
 438         if (ent->alpha < (1.0f / 64.0f))
 439                 return; // basically completely transparent
 440
 441         c_models++;
 442
 443         if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL)
 444                 R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0);
 445         else
 446                 R_DrawQ1Q2AliasModelCallback(ent, 0);
 447 }
 448
 449 extern cvar_t r_shadows;
 450 void R_Model_Alias_DrawFakeShadow (entity_render_t *ent)
 451 {
 452         int i;
 453         rmeshstate_t m;
 454         model_t *model;
 455         float *v, planenormal[3], planedist, dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3];
 456
 457         /*
 458         if (r_shadows.integer > 1)
 459         {
 460                 float f, lightscale, lightcolor[3];
 461                 vec3_t temp;
 462                 mlight_t *sl;
 463                 rdlight_t *rd;
 464                 memset(&m, 0, sizeof(m));
 465                 m.blendfunc1 = GL_ONE;
 466                 m.blendfunc2 = GL_ONE;
 467                 R_Mesh_State(&m);
 468                 R_Mesh_Matrix(&ent->matrix);
 469                 for (i = 0, sl = cl.worldmodel->lights;i < cl.worldmodel->numlights;i++, sl++)
 470                 {
 471                         if (d_lightstylevalue[sl->style] > 0)
 472                         {
 473                                 VectorSubtract(ent->origin, sl->origin, temp);
 474                                 f = DotProduct(temp,temp);
 475                                 if (f < (ent->model->radius2 + sl->cullradius2))
 476                                 {
 477                                         model = ent->model;
 478                                         R_Mesh_ResizeCheck(model->numverts * 2);
 479                                         R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvert_normals);
 480                                         Matrix4x4_Transform(&ent->inversematrix, sl->origin, temp);
 481                                         GL_Color(0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1);
 482                                         R_Shadow_Volume(model->numverts, model->numtris, varray_vertex, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, sl->cullradius + model->radius - sqrt(f), true);
 483                                         GL_UseColorArray();
 484                                         lightscale = d_lightstylevalue[sl->style] * (1.0f / 65536.0f);
 485                                         VectorScale(sl->light, lightscale, lightcolor);
 486                                         R_Shadow_VertexLight(model->numverts, varray_vertex, aliasvert_normals, temp, sl->cullradius2, sl->distbias, sl->subtract, lightcolor);
 487                                         R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 488                                 }
 489                         }
 490                 }
 491                 for (i = 0, rd = r_dlight;i < r_numdlights;i++, rd++)
 492                 {
 493                         if (ent != rd->ent)
 494                         {
 495                                 VectorSubtract(ent->origin, rd->origin, temp);
 496                                 f = DotProduct(temp,temp);
 497                                 if (f < (ent->model->radius2 + rd->cullradius2))
 498                                 {
 499                                         model = ent->model;
 500                                         R_Mesh_ResizeCheck(model->numverts * 2);
 501                                         R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvert_normals);
 502                                         Matrix4x4_Transform(&ent->inversematrix, rd->origin, temp);
 503                                         GL_Color(0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1);
 504                                         R_Shadow_Volume(model->numverts, model->numtris, varray_vertex, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, rd->cullradius + model->radius - sqrt(f), true);
 505                                         GL_UseColorArray();
 506                                         R_Shadow_VertexLight(model->numverts, varray_vertex, aliasvert_normals, temp, rd->cullradius2, LIGHTOFFSET, rd->subtract, rd->light);
 507                                         R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 508                                 }
 509                         }
 510                 }
 511                 return;
 512         }
 513         */
 514
 515         lightdirection[0] = 0.5;
 516         lightdirection[1] = 0.2;
 517         lightdirection[2] = -1;
 518         VectorNormalizeFast(lightdirection);
 519
 520         VectorMA(ent->origin, 65536.0f, lightdirection, v2);
 521         if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1)
 522                 return;
 523
 524         R_Mesh_Matrix(&ent->matrix);
 525
 526         model = ent->model;
 527         R_Mesh_ResizeCheck(model->numverts);
 528
 529         memset(&m, 0, sizeof(m));
 530         m.blendfunc1 = GL_SRC_ALPHA;
 531         m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 532         R_Mesh_State(&m);
 533
 534         c_alias_polys += model->numtris;
 535         R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvert_normals);
 536
 537         // put a light direction in the entity's coordinate space
 538         Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, projection);
 539         VectorNormalizeFast(projection);
 540
 541         // put the plane's normal in the entity's coordinate space
 542         Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, planenormal);
 543         VectorNormalizeFast(planenormal);
 544
 545         // put the plane's distance in the entity's coordinate space
 546         VectorSubtract(floororigin, ent->origin, floororigin);
 547         planedist = DotProduct(floororigin, surfnormal) + 2;
 548
 549         dist = -1.0f / DotProduct(projection, planenormal);
 550         VectorScale(projection, dist, projection);
 551         for (i = 0, v = varray_vertex;i < model->numverts;i++, v += 4)
 552         {
 553                 dist = DotProduct(v, planenormal) - planedist;
 554                 if (dist > 0)
 555                 //if (i & 1)
 556                         VectorMA(v, dist, projection, v);
 557         }
 558         GL_Color(0, 0, 0, 0.5);
 559         R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 560 }
 561
 562 void R_Model_Alias_DrawBaseLighting(entity_render_t *ent)
 563 {
 564         R_Mesh_Matrix(&ent->matrix);
 565         GL_Color(0, 0, 0, 1);
 566         R_Mesh_ResizeCheck(ent->model->numverts);
 567         R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvert_normals);
 568         R_Mesh_Draw(ent->model->numverts, ent->model->numtris, ent->model->mdlmd2data_indices);
 569 }
 570
 571 void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int visiblevolume)
 572 {
 573         float projectdistance;
 574         projectdistance = lightradius + ent->model->radius - sqrt(DotProduct(relativelightorigin, relativelightorigin));
 575         if (projectdistance > 0.1)
 576         {
 577                 R_Mesh_Matrix(&ent->matrix);
 578                 R_Mesh_ResizeCheck(ent->model->numverts * 2);
 579                 R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvert_normals);
 580                 R_Shadow_Volume(ent->model->numverts, ent->model->numtris, varray_vertex, ent->model->mdlmd2data_indices, ent->model->mdlmd2data_triangleneighbors, relativelightorigin, lightradius, projectdistance, visiblevolume);
 581         }
 582 }
 583
 584 void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float lightdistbias, float lightsubtract, float *lightcolor)
 585 {
 586         skinframe_t *skinframe;
 587         R_Mesh_Matrix(&ent->matrix);
 588         skinframe = R_FetchSkinFrame(ent);
 589         R_Mesh_ResizeCheck(ent->model->numverts);
 590         R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvert_normals);
 591         Mod_BuildTextureVectorsAndNormals(ent->model->numverts, ent->model->numtris, varray_vertex, ent->model->mdlmd2data_texcoords, ent->model->mdlmd2data_indices, aliasvert_svectors, aliasvert_tvectors, aliasvert_normals);
 592         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);
 593 }
 594
 595 int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
 596 {
 597         int i;
 598         float lerp1, lerp2, lerp3, lerp4;
 599         zymbonematrix *out, rootmatrix, m;
 600         const zymbonematrix *bone1, *bone2, *bone3, *bone4;
 601
 602         rootmatrix.m[0][0] = 1;
 603         rootmatrix.m[0][1] = 0;
 604         rootmatrix.m[0][2] = 0;
 605         rootmatrix.m[0][3] = 0;
 606         rootmatrix.m[1][0] = 0;
 607         rootmatrix.m[1][1] = 1;
 608         rootmatrix.m[1][2] = 0;
 609         rootmatrix.m[1][3] = 0;
 610         rootmatrix.m[2][0] = 0;
 611         rootmatrix.m[2][1] = 0;
 612         rootmatrix.m[2][2] = 1;
 613         rootmatrix.m[2][3] = 0;
 614
 615         bone1 = bonebase + blend[0].frame * count;
 616         lerp1 = blend[0].lerp;
 617         if (blend[1].lerp)
 618         {
 619                 bone2 = bonebase + blend[1].frame * count;
 620                 lerp2 = blend[1].lerp;
 621                 if (blend[2].lerp)
 622                 {
 623                         bone3 = bonebase + blend[2].frame * count;
 624                         lerp3 = blend[2].lerp;
 625                         if (blend[3].lerp)
 626                         {
 627                                 // 4 poses
 628                                 bone4 = bonebase + blend[3].frame * count;
 629                                 lerp4 = blend[3].lerp;
 630                                 for (i = 0, out = zymbonepose;i < count;i++, out++)
 631                                 {
 632                                         // interpolate matrices
 633                                         m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
 634                                         m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
 635                                         m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
 636                                         m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
 637                                         m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
 638                                         m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
 639                                         m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
 640                                         m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
 641                                         m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
 642                                         m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
 643                                         m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
 644                                         m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
 645                                         if (bone->parent >= 0)
 646                                                 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
 647                                         else
 648                                                 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 649                                         bone1++;
 650                                         bone2++;
 651                                         bone3++;
 652                                         bone4++;
 653                                         bone++;
 654                                 }
 655                         }
 656                         else
 657                         {
 658                                 // 3 poses
 659                                 for (i = 0, out = zymbonepose;i < count;i++, out++)
 660                                 {
 661                                         // interpolate matrices
 662                                         m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
 663                                         m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
 664                                         m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
 665                                         m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
 666                                         m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
 667                                         m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
 668                                         m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
 669                                         m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
 670                                         m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
 671                                         m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
 672                                         m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
 673                                         m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
 674                                         if (bone->parent >= 0)
 675                                                 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
 676                                         else
 677                                                 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 678                                         bone1++;
 679                                         bone2++;
 680                                         bone3++;
 681                                         bone++;
 682                                 }
 683                         }
 684                 }
 685                 else
 686                 {
 687                         // 2 poses
 688                         for (i = 0, out = zymbonepose;i < count;i++, out++)
 689                         {
 690                                 // interpolate matrices
 691                                 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
 692                                 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
 693                                 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
 694                                 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
 695                                 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
 696                                 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
 697                                 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
 698                                 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
 699                                 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
 700                                 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
 701                                 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
 702                                 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
 703                                 if (bone->parent >= 0)
 704                                         R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
 705                                 else
 706                                         R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 707                                 bone1++;
 708                                 bone2++;
 709                                 bone++;
 710                         }
 711                 }
 712         }
 713         else
 714         {
 715                 // 1 pose
 716                 if (lerp1 != 1)
 717                 {
 718                         // lerp != 1.0
 719                         for (i = 0, out = zymbonepose;i < count;i++, out++)
 720                         {
 721                                 // interpolate matrices
 722                                 m.m[0][0] = bone1->m[0][0] * lerp1;
 723                                 m.m[0][1] = bone1->m[0][1] * lerp1;
 724                                 m.m[0][2] = bone1->m[0][2] * lerp1;
 725                                 m.m[0][3] = bone1->m[0][3] * lerp1;
 726                                 m.m[1][0] = bone1->m[1][0] * lerp1;
 727                                 m.m[1][1] = bone1->m[1][1] * lerp1;
 728                                 m.m[1][2] = bone1->m[1][2] * lerp1;
 729                                 m.m[1][3] = bone1->m[1][3] * lerp1;
 730                                 m.m[2][0] = bone1->m[2][0] * lerp1;
 731                                 m.m[2][1] = bone1->m[2][1] * lerp1;
 732                                 m.m[2][2] = bone1->m[2][2] * lerp1;
 733                                 m.m[2][3] = bone1->m[2][3] * lerp1;
 734                                 if (bone->parent >= 0)
 735                                         R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
 736                                 else
 737                                         R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 738                                 bone1++;
 739                                 bone++;
 740                         }
 741                 }
 742                 else
 743                 {
 744                         // lerp == 1.0
 745                         for (i = 0, out = zymbonepose;i < count;i++, out++)
 746                         {
 747                                 if (bone->parent >= 0)
 748                                         R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
 749                                 else
 750                                         R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
 751                                 bone1++;
 752                                 bone++;
 753                         }
 754                 }
 755         }
 756         return true;
 757 }
 758
 759 void ZymoticTransformVerts(int vertcount, float *vertex, int *bonecounts, zymvertex_t *vert)
 760 {
 761         int c;
 762         float *out = vertex;
 763         zymbonematrix *matrix;
 764         while(vertcount--)
 765         {
 766                 c = *bonecounts++;
 767                 // FIXME: validate bonecounts at load time (must be >= 1)
 768                 // FIXME: need 4th component in origin, for how much of the translate to blend in
 769                 if (c == 1)
 770                 {
 771                         matrix = &zymbonepose[vert->bonenum];
 772                         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];
 773                         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];
 774                         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];
 775                         vert++;
 776                 }
 777                 else
 778                 {
 779                         VectorClear(out);
 780                         while(c--)
 781                         {
 782                                 matrix = &zymbonepose[vert->bonenum];
 783                                 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];
 784                                 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];
 785                                 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];
 786                                 vert++;
 787                         }
 788                 }
 789                 out += 4;
 790         }
 791 }
 792
 793 void ZymoticCalcNormals(int vertcount, float *vertex, float *normals, int shadercount, int *renderlist)
 794 {
 795         int a, b, c, d;
 796         float *out, v1[3], v2[3], normal[3], s;
 797         int *u;
 798         // clear normals
 799         memset(normals, 0, sizeof(float) * vertcount * 3);
 800         memset(aliasvertusage, 0, sizeof(int) * vertcount);
 801         // parse render list and accumulate surface normals
 802         while(shadercount--)
 803         {
 804                 d = *renderlist++;
 805                 while (d--)
 806                 {
 807                         a = renderlist[0]*4;
 808                         b = renderlist[1]*4;
 809                         c = renderlist[2]*4;
 810                         v1[0] = vertex[a+0] - vertex[b+0];
 811                         v1[1] = vertex[a+1] - vertex[b+1];
 812                         v1[2] = vertex[a+2] - vertex[b+2];
 813                         v2[0] = vertex[c+0] - vertex[b+0];
 814                         v2[1] = vertex[c+1] - vertex[b+1];
 815                         v2[2] = vertex[c+2] - vertex[b+2];
 816                         CrossProduct(v1, v2, normal);
 817                         VectorNormalizeFast(normal);
 818                         // add surface normal to vertices
 819                         a = renderlist[0] * 3;
 820                         normals[a+0] += normal[0];
 821                         normals[a+1] += normal[1];
 822                         normals[a+2] += normal[2];
 823                         aliasvertusage[renderlist[0]]++;
 824                         a = renderlist[1] * 3;
 825                         normals[a+0] += normal[0];
 826                         normals[a+1] += normal[1];
 827                         normals[a+2] += normal[2];
 828                         aliasvertusage[renderlist[1]]++;
 829                         a = renderlist[2] * 3;
 830                         normals[a+0] += normal[0];
 831                         normals[a+1] += normal[1];
 832                         normals[a+2] += normal[2];
 833                         aliasvertusage[renderlist[2]]++;
 834                         renderlist += 3;
 835                 }
 836         }
 837         // FIXME: precalc this
 838         // average surface normals
 839         out = normals;
 840         u = aliasvertusage;
 841         while(vertcount--)
 842         {
 843                 if (*u > 1)
 844                 {
 845                         s = ixtable[*u];
 846                         out[0] *= s;
 847                         out[1] *= s;
 848                         out[2] *= s;
 849                 }
 850                 u++;
 851                 out += 3;
 852         }
 853 }
 854
 855 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
 856 {
 857         float fog, ifog, colorscale;
 858         vec3_t diff;
 859         int i, *renderlist, *elements;
 860         rtexture_t *texture;
 861         rmeshstate_t mstate;
 862         const entity_render_t *ent = calldata1;
 863         int shadernum = calldata2;
 864         int numverts, numtriangles;
 865
 866         R_Mesh_Matrix(&ent->matrix);
 867
 868         // find the vertex index list and texture
 869         renderlist = ent->model->zymdata_renderlist;
 870         for (i = 0;i < shadernum;i++)
 871                 renderlist += renderlist[0] * 3 + 1;
 872         texture = ent->model->zymdata_textures[shadernum];
 873
 874         numverts = ent->model->zymnum_verts;
 875         numtriangles = *renderlist++;
 876         elements = renderlist;
 877         R_Mesh_ResizeCheck(numverts);
 878
 879         fog = 0;
 880         if (fogenabled)
 881         {
 882                 VectorSubtract(ent->origin, r_origin, diff);
 883                 fog = DotProduct(diff,diff);
 884                 if (fog < 0.01f)
 885                         fog = 0.01f;
 886                 fog = exp(fogdensity/fog);
 887                 if (fog > 1)
 888                         fog = 1;
 889                 if (fog < 0.01f)
 890                         fog = 0;
 891                 // fog method: darken, additive fog
 892                 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
 893                 // 2. render fog as additive
 894         }
 895         ifog = 1 - fog;
 896
 897         memset(&mstate, 0, sizeof(mstate));
 898         if (ent->effects & EF_ADDITIVE)
 899         {
 900                 mstate.blendfunc1 = GL_SRC_ALPHA;
 901                 mstate.blendfunc2 = GL_ONE;
 902         }
 903         else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
 904         {
 905                 mstate.blendfunc1 = GL_SRC_ALPHA;
 906                 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 907         }
 908         else
 909         {
 910                 mstate.blendfunc1 = GL_ONE;
 911                 mstate.blendfunc2 = GL_ZERO;
 912         }
 913         colorscale = r_colorscale;
 914         if (gl_combine.integer)
 915         {
 916                 mstate.texrgbscale[0] = 4;
 917                 colorscale *= 0.25f;
 918         }
 919         mstate.tex[0] = R_GetTexture(texture);
 920         R_Mesh_State(&mstate);
 921         ZymoticLerpBones(ent->model->zymnum_bones, (zymbonematrix *) ent->model->zymdata_poses, ent->frameblend, ent->model->zymdata_bones);
 922         ZymoticTransformVerts(numverts, varray_vertex, ent->model->zymdata_vertbonecounts, ent->model->zymdata_verts);
 923         ZymoticCalcNormals(numverts, varray_vertex, aliasvert_normals, ent->model->zymnum_shaders, ent->model->zymdata_renderlist);
 924         memcpy(varray_texcoord[0], ent->model->zymdata_texcoords, ent->model->zymnum_verts * sizeof(float[4]));
 925         GL_UseColorArray();
 926         R_LightModel(ent, numverts, varray_vertex, aliasvert_normals, varray_color, ifog * colorscale, ifog * colorscale, ifog * colorscale, false);
 927         R_Mesh_Draw(numverts, numtriangles, elements);
 928         c_alias_polys += numtriangles;
 929
 930         if (fog)
 931         {
 932                 memset(&mstate, 0, sizeof(mstate));
 933                 mstate.blendfunc1 = GL_SRC_ALPHA;
 934                 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 935                 // FIXME: need alpha mask for fogging...
 936                 //mstate.tex[0] = R_GetTexture(texture);
 937                 R_Mesh_State(&mstate);
 938                 GL_Color(fogcolor[0] * r_colorscale, fogcolor[1] * r_colorscale, fogcolor[2] * r_colorscale, ent->alpha * fog);
 939                 R_Mesh_Draw(numverts, numtriangles, elements);
 940                 c_alias_polys += numtriangles;
 941         }
 942 }
 943
 944 void R_Model_Zymotic_Draw(entity_render_t *ent)
 945 {
 946         int i;
 947
 948         if (ent->alpha < (1.0f / 64.0f))
 949                 return; // basically completely transparent
 950
 951         c_models++;
 952
 953         for (i = 0;i < ent->model->zymnum_shaders;i++)
 954         {
 955                 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(ent->model->zymdata_textures[i]))
 956                         R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
 957                 else
 958                         R_DrawZymoticModelMeshCallback(ent, i);
 959         }
 960 }
 961
 962 void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent)
 963 {
 964         // FIXME
 965 }
 966
 967 void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, float lightradius2, float lightdistbias, float lightsubtract, float *lightcolor)
 968 {
 969         // FIXME
 970 }
 971
 972 void R_Model_Zymotic_DrawOntoLight(entity_render_t *ent)
 973 {
 974         // FIXME
 975 }