gl_models.c

   1
   2 #include "quakedef.h"
   3 #include "cl_collision.h"
   4 #include "r_shadow.h"
   5
   6 cvar_t r_quickmodels = {0, "r_quickmodels", "1"};
   7
   8 typedef struct
   9 {
  10         float m[3][4];
  11 } zymbonematrix;
  12
  13 // LordHavoc: vertex arrays
  14
  15 float *aliasvertbuf;
  16 float *aliasvertcolorbuf;
  17 float *aliasvert; // this may point at aliasvertbuf or at vertex arrays in the mesh backend
  18 float *aliasvertcolor; // this may point at aliasvertcolorbuf or at vertex arrays in the mesh backend
  19
  20 float *aliasvertcolor2;
  21 float *aliasvertnorm;
  22 int *aliasvertusage;
  23 zymbonematrix *zymbonepose;
  24
  25 mempool_t *gl_models_mempool;
  26
  27 void gl_models_start(void)
  28 {
  29         // allocate vertex processing arrays
  30         gl_models_mempool = Mem_AllocPool("GL_Models");
  31         aliasvert = aliasvertbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
  32         aliasvertcolor = aliasvertcolorbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
  33         aliasvertnorm = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][3]));
  34         aliasvertcolor2 = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4])); // used temporarily for tinted coloring
  35         zymbonepose = Mem_Alloc(gl_models_mempool, sizeof(zymbonematrix[256]));
  36         aliasvertusage = Mem_Alloc(gl_models_mempool, sizeof(int[MD2MAX_VERTS]));
  37 }
  38
  39 void gl_models_shutdown(void)
  40 {
  41         Mem_FreePool(&gl_models_mempool);
  42 }
  43
  44 void gl_models_newmap(void)
  45 {
  46 }
  47
  48 void GL_Models_Init(void)
  49 {
  50         Cvar_RegisterVariable(&r_quickmodels);
  51
  52         R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
  53 }
  54
  55 /*
  56 void R_AliasTransformVerts(int vertcount)
  57 {
  58         vec3_t point;
  59         float *av;
  60         av = aliasvert;
  61         while (vertcount >= 4)
  62         {
  63                 VectorCopy(av, point);softwaretransform(point, av);av += 4;
  64                 VectorCopy(av, point);softwaretransform(point, av);av += 4;
  65                 VectorCopy(av, point);softwaretransform(point, av);av += 4;
  66                 VectorCopy(av, point);softwaretransform(point, av);av += 4;
  67                 vertcount -= 4;
  68         }
  69         while(vertcount > 0)
  70         {
  71                 VectorCopy(av, point);softwaretransform(point, av);av += 4;
  72                 vertcount--;
  73         }
  74 }
  75 */
  76
  77 void R_AliasLerpVerts(int vertcount, float *vertices, float *normals,
  78                 float lerp1, const trivertx_t *verts1, const vec3_t fscale1, const vec3_t translate1,
  79                 float lerp2, const trivertx_t *verts2, const vec3_t fscale2, const vec3_t translate2,
  80                 float lerp3, const trivertx_t *verts3, const vec3_t fscale3, const vec3_t translate3,
  81                 float lerp4, const trivertx_t *verts4, const vec3_t fscale4, const vec3_t translate4)
  82 {
  83         int i;
  84         vec3_t scale1, scale2, scale3, scale4, translate;
  85         const float *n1, *n2, *n3, *n4;
  86         float *av, *avn;
  87         av = vertices;
  88         avn = normals;
  89         VectorScale(fscale1, lerp1, scale1);
  90         if (lerp2)
  91         {
  92                 VectorScale(fscale2, lerp2, scale2);
  93                 if (lerp3)
  94                 {
  95                         VectorScale(fscale3, lerp3, scale3);
  96                         if (lerp4)
  97                         {
  98                                 VectorScale(fscale4, lerp4, scale4);
  99                                 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3 + translate4[0] * lerp4;
 100                                 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3 + translate4[1] * lerp4;
 101                                 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3 + translate4[2] * lerp4;
 102                                 // generate vertices
 103                                 for (i = 0;i < vertcount;i++)
 104                                 {
 105                                         av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + verts4->v[0] * scale4[0] + translate[0];
 106                                         av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + verts4->v[1] * scale4[1] + translate[1];
 107                                         av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + verts4->v[2] * scale4[2] + translate[2];
 108                                         n1 = m_bytenormals[verts1->lightnormalindex];
 109                                         n2 = m_bytenormals[verts2->lightnormalindex];
 110                                         n3 = m_bytenormals[verts3->lightnormalindex];
 111                                         n4 = m_bytenormals[verts4->lightnormalindex];
 112                                         avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3 + n4[0] * lerp4;
 113                                         avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3 + n4[1] * lerp4;
 114                                         avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3 + n4[2] * lerp4;
 115                                         av += 4;
 116                                         avn += 3;
 117                                         verts1++;verts2++;verts3++;verts4++;
 118                                 }
 119                         }
 120                         else
 121                         {
 122                                 translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3;
 123                                 translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3;
 124                                 translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3;
 125                                 // generate vertices
 126                                 for (i = 0;i < vertcount;i++)
 127                                 {
 128                                         av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + translate[0];
 129                                         av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + translate[1];
 130                                         av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + translate[2];
 131                                         n1 = m_bytenormals[verts1->lightnormalindex];
 132                                         n2 = m_bytenormals[verts2->lightnormalindex];
 133                                         n3 = m_bytenormals[verts3->lightnormalindex];
 134                                         avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3;
 135                                         avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3;
 136                                         avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3;
 137                                         av += 4;
 138                                         avn += 3;
 139                                         verts1++;verts2++;verts3++;
 140                                 }
 141                         }
 142                 }
 143                 else
 144                 {
 145                         translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2;
 146                         translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2;
 147                         translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2;
 148                         // generate vertices
 149                         for (i = 0;i < vertcount;i++)
 150                         {
 151                                 av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + translate[0];
 152                                 av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + translate[1];
 153                                 av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + translate[2];
 154                                 n1 = m_bytenormals[verts1->lightnormalindex];
 155                                 n2 = m_bytenormals[verts2->lightnormalindex];
 156                                 avn[0] = n1[0] * lerp1 + n2[0] * lerp2;
 157                                 avn[1] = n1[1] * lerp1 + n2[1] * lerp2;
 158                                 avn[2] = n1[2] * lerp1 + n2[2] * lerp2;
 159                                 av += 4;
 160                                 avn += 3;
 161                                 verts1++;verts2++;
 162                         }
 163                 }
 164         }
 165         else
 166         {
 167                 translate[0] = translate1[0] * lerp1;
 168                 translate[1] = translate1[1] * lerp1;
 169                 translate[2] = translate1[2] * lerp1;
 170                 // generate vertices
 171                 if (lerp1 != 1)
 172                 {
 173                         // general but almost never used case
 174                         for (i = 0;i < vertcount;i++)
 175                         {
 176                                 av[0] = verts1->v[0] * scale1[0] + translate[0];
 177                                 av[1] = verts1->v[1] * scale1[1] + translate[1];
 178                                 av[2] = verts1->v[2] * scale1[2] + translate[2];
 179                                 n1 = m_bytenormals[verts1->lightnormalindex];
 180                                 avn[0] = n1[0] * lerp1;
 181                                 avn[1] = n1[1] * lerp1;
 182                                 avn[2] = n1[2] * lerp1;
 183                                 av += 4;
 184                                 avn += 3;
 185                                 verts1++;
 186                         }
 187                 }
 188                 else
 189                 {
 190                         // fast normal case
 191                         for (i = 0;i < vertcount;i++)
 192                         {
 193                                 av[0] = verts1->v[0] * scale1[0] + translate[0];
 194                                 av[1] = verts1->v[1] * scale1[1] + translate[1];
 195                                 av[2] = verts1->v[2] * scale1[2] + translate[2];
 196                                 VectorCopy(m_bytenormals[verts1->lightnormalindex], avn);
 197                                 av += 4;
 198                                 avn += 3;
 199                                 verts1++;
 200                         }
 201                 }
 202         }
 203 }
 204
 205 skinframe_t *R_FetchSkinFrame(const entity_render_t *ent)
 206 {
 207         model_t *model = ent->model;
 208         unsigned int s = (unsigned int) ent->skinnum;
 209         if (s >= model->numskins)
 210                 s = 0;
 211         if (model->skinscenes[s].framecount > 1)
 212                 return &model->skinframes[model->skinscenes[s].firstframe + (int) (cl.time * 10) % model->skinscenes[s].framecount];
 213         else
 214                 return &model->skinframes[model->skinscenes[s].firstframe];
 215 }
 216
 217 void R_LerpMDLMD2Vertices(const entity_render_t *ent, float *vertices, float *normals)
 218 {
 219         const md2frame_t *frame1, *frame2, *frame3, *frame4;
 220         const trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
 221         const model_t *model = ent->model;
 222
 223         frame1 = &model->mdlmd2data_frames[ent->frameblend[0].frame];
 224         frame2 = &model->mdlmd2data_frames[ent->frameblend[1].frame];
 225         frame3 = &model->mdlmd2data_frames[ent->frameblend[2].frame];
 226         frame4 = &model->mdlmd2data_frames[ent->frameblend[3].frame];
 227         frame1verts = &model->mdlmd2data_pose[ent->frameblend[0].frame * model->numverts];
 228         frame2verts = &model->mdlmd2data_pose[ent->frameblend[1].frame * model->numverts];
 229         frame3verts = &model->mdlmd2data_pose[ent->frameblend[2].frame * model->numverts];
 230         frame4verts = &model->mdlmd2data_pose[ent->frameblend[3].frame * model->numverts];
 231         R_AliasLerpVerts(model->numverts, vertices, normals,
 232                 ent->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate,
 233                 ent->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate,
 234                 ent->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate,
 235                 ent->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate);
 236 }
 237
 238 void R_DrawQ1Q2AliasModelCallback (const void *calldata1, int calldata2)
 239 {
 240         int i, c, pantsfullbright, shirtfullbright, colormapped, tex;
 241         float pantscolor[3], shirtcolor[3];
 242         float fog, colorscale;
 243         vec3_t diff;
 244         qbyte *bcolor;
 245         rmeshstate_t m;
 246         model_t *model;
 247         skinframe_t *skinframe;
 248         const entity_render_t *ent = calldata1;
 249         int blendfunc1, blendfunc2;
 250
 251 //      softwaretransformforentity(ent);
 252         R_Mesh_Matrix(&ent->matrix);
 253
 254         fog = 0;
 255         if (fogenabled)
 256         {
 257                 VectorSubtract(ent->origin, r_origin, diff);
 258                 fog = DotProduct(diff,diff);
 259                 if (fog < 0.01f)
 260                         fog = 0.01f;
 261                 fog = exp(fogdensity/fog);
 262                 if (fog > 1)
 263                         fog = 1;
 264                 if (fog < 0.01f)
 265                         fog = 0;
 266                 // fog method: darken, additive fog
 267                 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
 268                 // 2. render fog as additive
 269         }
 270
 271         model = ent->model;
 272         R_Mesh_ResizeCheck(model->numverts);
 273
 274         skinframe = R_FetchSkinFrame(ent);
 275
 276         if (ent->effects & EF_ADDITIVE)
 277         {
 278                 blendfunc1 = GL_SRC_ALPHA;
 279                 blendfunc2 = GL_ONE;
 280         }
 281         else if (ent->alpha != 1.0 || skinframe->fog != NULL)
 282         {
 283                 blendfunc1 = GL_SRC_ALPHA;
 284                 blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 285         }
 286         else
 287         {
 288                 blendfunc1 = GL_ONE;
 289                 blendfunc2 = GL_ZERO;
 290         }
 291
 292         colorscale = r_colorscale;
 293         if (gl_combine.integer)
 294                 colorscale *= 0.25f;
 295
 296         if (!skinframe->base && !skinframe->pants && !skinframe->shirt && !skinframe->glow)
 297         {
 298                 // untextured
 299                 memset(&m, 0, sizeof(m));
 300                 m.blendfunc1 = blendfunc1;
 301                 m.blendfunc2 = blendfunc2;
 302                 if (gl_combine.integer)
 303                         m.texrgbscale[0] = 4;
 304                 m.tex[0] = R_GetTexture(r_notexture);
 305                 R_Mesh_State(&m);
 306
 307                 c_alias_polys += model->numtris;
 308                 for (i = 0;i < model->numverts * 2;i++)
 309                         varray_texcoord[0][i] = model->mdlmd2data_texcoords[i] * 8.0f;
 310                 aliasvert = varray_vertex;
 311                 aliasvertcolor = varray_color;
 312                 R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm);
 313                 R_LightModel(ent, model->numverts, colorscale, colorscale, colorscale, false);
 314                 aliasvert = aliasvertbuf;
 315                 aliasvertcolor = aliasvertcolorbuf;
 316                 GL_UseColorArray();
 317                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 318                 return;
 319         }
 320
 321
 322         colormapped = !skinframe->merged || (ent->colormap >= 0 && skinframe->base && (skinframe->pants || skinframe->shirt));
 323         if (!colormapped && !fog && !skinframe->glow && !skinframe->fog)
 324         {
 325                 // fastpath for the normal situation (one texture)
 326                 memset(&m, 0, sizeof(m));
 327                 m.blendfunc1 = blendfunc1;
 328                 m.blendfunc2 = blendfunc2;
 329                 if (gl_combine.integer)
 330                         m.texrgbscale[0] = 4;
 331                 m.tex[0] = R_GetTexture(skinframe->merged);
 332                 R_Mesh_State(&m);
 333
 334                 c_alias_polys += model->numtris;
 335                 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
 336                 aliasvert = varray_vertex;
 337                 aliasvertcolor = varray_color;
 338                 R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm);
 339                 R_LightModel(ent, model->numverts, colorscale, colorscale, colorscale, false);
 340                 aliasvert = aliasvertbuf;
 341                 aliasvertcolor = aliasvertcolorbuf;
 342                 GL_UseColorArray();
 343                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 344                 return;
 345         }
 346
 347         R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm);
 348         R_LightModel(ent, model->numverts, colorscale * (1 - fog), colorscale * (1 - fog), colorscale * (1 - fog), false);
 349
 350         if (colormapped)
 351         {
 352                 // 128-224 are backwards ranges
 353                 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
 354                 bcolor = (qbyte *) (&d_8to24table[c]);
 355                 pantsfullbright = c >= 224;
 356                 VectorScale(bcolor, (1.0f / 255.0f), pantscolor);
 357                 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
 358                 bcolor = (qbyte *) (&d_8to24table[c]);
 359                 shirtfullbright = c >= 224;
 360                 VectorScale(bcolor, (1.0f / 255.0f), shirtcolor);
 361         }
 362         else
 363         {
 364                 pantscolor[0] = pantscolor[1] = pantscolor[2] = shirtcolor[0] = shirtcolor[1] = shirtcolor[2] = 1;
 365                 pantsfullbright = shirtfullbright = false;
 366         }
 367
 368         tex = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged);
 369         if (tex)
 370         {
 371                 memset(&m, 0, sizeof(m));
 372                 m.blendfunc1 = blendfunc1;
 373                 m.blendfunc2 = blendfunc2;
 374                 if (gl_combine.integer)
 375                         m.texrgbscale[0] = 4;
 376                 m.tex[0] = tex;
 377                 R_Mesh_State(&m);
 378
 379                 blendfunc1 = GL_SRC_ALPHA;
 380                 blendfunc2 = GL_ONE;
 381                 c_alias_polys += model->numtris;
 382                 R_ModulateColors(aliasvertcolor, varray_color, model->numverts, colorscale, colorscale, colorscale);
 383                 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
 384                 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
 385                 GL_UseColorArray();
 386                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 387         }
 388
 389         if (colormapped)
 390         {
 391                 if (skinframe->pants)
 392                 {
 393                         tex = R_GetTexture(skinframe->pants);
 394                         if (tex)
 395                         {
 396                                 memset(&m, 0, sizeof(m));
 397                                 m.blendfunc1 = blendfunc1;
 398                                 m.blendfunc2 = blendfunc2;
 399                                 if (gl_combine.integer)
 400                                         m.texrgbscale[0] = 4;
 401                                 m.tex[0] = tex;
 402                                 R_Mesh_State(&m);
 403
 404                                 blendfunc1 = GL_SRC_ALPHA;
 405                                 blendfunc2 = GL_ONE;
 406                                 c_alias_polys += model->numtris;
 407                                 if (pantsfullbright)
 408                                         GL_Color(pantscolor[0] * colorscale, pantscolor[1] * colorscale, pantscolor[2] * colorscale, ent->alpha);
 409                                 else
 410                                 {
 411                                         GL_UseColorArray();
 412                                         R_ModulateColors(aliasvertcolor, varray_color, model->numverts, pantscolor[0] * colorscale, pantscolor[1] * colorscale, pantscolor[2] * colorscale);
 413                                 }
 414                                 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
 415                                 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
 416                                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 417                         }
 418                 }
 419                 if (skinframe->shirt)
 420                 {
 421                         tex = R_GetTexture(skinframe->shirt);
 422                         if (tex)
 423                         {
 424                                 memset(&m, 0, sizeof(m));
 425                                 m.blendfunc1 = blendfunc1;
 426                                 m.blendfunc2 = blendfunc2;
 427                                 if (gl_combine.integer)
 428                                         m.texrgbscale[0] = 4;
 429                                 m.tex[0] = tex;
 430                                 R_Mesh_State(&m);
 431
 432                                 blendfunc1 = GL_SRC_ALPHA;
 433                                 blendfunc2 = GL_ONE;
 434                                 c_alias_polys += model->numtris;
 435                                 if (shirtfullbright)
 436                                         GL_Color(shirtcolor[0] * colorscale, shirtcolor[1] * colorscale, shirtcolor[2] * colorscale, ent->alpha);
 437                                 else
 438                                 {
 439                                         GL_UseColorArray();
 440                                         R_ModulateColors(aliasvertcolor, varray_color, model->numverts, shirtcolor[0] * colorscale, shirtcolor[1] * colorscale, shirtcolor[2] * colorscale);
 441                                 }
 442                                 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
 443                                 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
 444                                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 445                         }
 446                 }
 447         }
 448         if (skinframe->glow)
 449         {
 450                 tex = R_GetTexture(skinframe->glow);
 451                 if (tex)
 452                 {
 453                         memset(&m, 0, sizeof(m));
 454                         m.blendfunc1 = blendfunc1;
 455                         m.blendfunc2 = blendfunc2;
 456                         m.tex[0] = tex;
 457                         R_Mesh_State(&m);
 458
 459                         blendfunc1 = GL_SRC_ALPHA;
 460                         blendfunc2 = GL_ONE;
 461                         c_alias_polys += model->numtris;
 462                         memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
 463                         memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
 464                         GL_Color((1 - fog) * r_colorscale, (1 - fog) * r_colorscale, (1 - fog) * r_colorscale, ent->alpha);
 465                         R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 466                 }
 467         }
 468         if (fog)
 469         {
 470                 memset(&m, 0, sizeof(m));
 471                 m.blendfunc1 = GL_SRC_ALPHA;
 472                 m.blendfunc2 = GL_ONE;
 473                 m.tex[0] = R_GetTexture(skinframe->fog);
 474                 R_Mesh_State(&m);
 475
 476                 c_alias_polys += model->numtris;
 477                 memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4]));
 478                 memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2]));
 479                 GL_Color(fogcolor[0] * fog * r_colorscale, fogcolor[1] * fog * r_colorscale, fogcolor[2] * fog * r_colorscale, ent->alpha);
 480                 R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 481         }
 482 }
 483
 484 extern cvar_t r_shadows;
 485 void R_DrawQ1Q2AliasModelFakeShadow (entity_render_t *ent)
 486 {
 487         int i;
 488         rmeshstate_t m;
 489         model_t *model;
 490         float *v, planenormal[3], planedist, dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3];
 491         mlight_t *sl;
 492         rdlight_t *rd;
 493
 494         if (r_shadows.integer > 1)
 495         {
 496                 float f, lightscale, lightcolor[3];
 497                 vec3_t temp;
 498                 memset(&m, 0, sizeof(m));
 499                 m.blendfunc1 = GL_ONE;
 500                 m.blendfunc2 = GL_ONE;
 501                 R_Mesh_State(&m);
 502                 R_Mesh_Matrix(&ent->matrix);
 503                 for (i = 0, sl = cl.worldmodel->lights;i < cl.worldmodel->numlights;i++, sl++)
 504                 {
 505                         if (d_lightstylevalue[sl->style] > 0)
 506                         {
 507                                 VectorSubtract(ent->origin, sl->origin, temp);
 508                                 f = DotProduct(temp,temp);
 509                                 if (f < (ent->model->radius2 + sl->cullradius2))
 510                                 {
 511                                         model = ent->model;
 512                                         R_Mesh_ResizeCheck(model->numverts * 2);
 513                                         R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
 514                                         Matrix4x4_Transform(&ent->inversematrix, sl->origin, temp);
 515                                         GL_Color(0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1);
 516                                         R_Shadow_Volume(model->numverts, model->numtris, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, sl->cullradius + model->radius - sqrt(f), true);
 517                                         GL_UseColorArray();
 518                                         lightscale = d_lightstylevalue[sl->style] * (1.0f / 65536.0f);
 519                                         VectorScale(sl->light, lightscale, lightcolor);
 520                                         R_Shadow_VertexLight(model->numverts, aliasvertnorm, temp, sl->cullradius2, sl->distbias, sl->subtract, lightcolor);
 521                                         R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 522                                 }
 523                         }
 524                 }
 525                 for (i = 0, rd = r_dlight;i < r_numdlights;i++, rd++)
 526                 {
 527                         if (ent != rd->ent)
 528                         {
 529                                 VectorSubtract(ent->origin, rd->origin, temp);
 530                                 f = DotProduct(temp,temp);
 531                                 if (f < (ent->model->radius2 + rd->cullradius2))
 532                                 {
 533                                         model = ent->model;
 534                                         R_Mesh_ResizeCheck(model->numverts * 2);
 535                                         R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
 536                                         Matrix4x4_Transform(&ent->inversematrix, rd->origin, temp);
 537                                         GL_Color(0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1);
 538                                         R_Shadow_Volume(model->numverts, model->numtris, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, rd->cullradius + model->radius - sqrt(f), true);
 539                                         GL_UseColorArray();
 540                                         R_Shadow_VertexLight(model->numverts, aliasvertnorm, temp, rd->cullradius2, LIGHTOFFSET, rd->subtract, rd->light);
 541                                         R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 542                                 }
 543                         }
 544                 }
 545                 return;
 546         }
 547
 548         lightdirection[0] = 0.5;
 549         lightdirection[1] = 0.2;
 550         lightdirection[2] = -1;
 551         VectorNormalizeFast(lightdirection);
 552
 553         VectorMA(ent->origin, 65536.0f, lightdirection, v2);
 554         if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1)
 555                 return;
 556
 557         R_Mesh_Matrix(&ent->matrix);
 558
 559         model = ent->model;
 560         R_Mesh_ResizeCheck(model->numverts);
 561
 562         memset(&m, 0, sizeof(m));
 563         m.blendfunc1 = GL_SRC_ALPHA;
 564         m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 565         R_Mesh_State(&m);
 566
 567         c_alias_polys += model->numtris;
 568         R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm);
 569
 570         // put a light direction in the entity's coordinate space
 571         Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, projection);
 572         VectorNormalizeFast(projection);
 573
 574         // put the plane's normal in the entity's coordinate space
 575         Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, planenormal);
 576         VectorNormalizeFast(planenormal);
 577
 578         // put the plane's distance in the entity's coordinate space
 579         VectorSubtract(floororigin, ent->origin, floororigin);
 580         planedist = DotProduct(floororigin, surfnormal) + 2;
 581
 582         dist = -1.0f / DotProduct(projection, planenormal);
 583         VectorScale(projection, dist, projection);
 584         for (i = 0, v = varray_vertex;i < model->numverts;i++, v += 4)
 585         {
 586                 dist = DotProduct(v, planenormal) - planedist;
 587                 if (dist > 0)
 588                 //if (i & 1)
 589                         VectorMA(v, dist, projection, v);
 590         }
 591         GL_Color(0, 0, 0, 0.5);
 592         R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices);
 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         /*
 603         // LordHavoc: combine transform from zym coordinate space to quake coordinate space with model to world transform matrix
 604         rootmatrix.m[0][0] = softwaretransform_matrix[0][1];
 605         rootmatrix.m[0][1] = -softwaretransform_matrix[0][0];
 606         rootmatrix.m[0][2] = softwaretransform_matrix[0][2];
 607         rootmatrix.m[0][3] = softwaretransform_matrix[0][3];
 608         rootmatrix.m[1][0] = softwaretransform_matrix[1][1];
 609         rootmatrix.m[1][1] = -softwaretransform_matrix[1][0];
 610         rootmatrix.m[1][2] = softwaretransform_matrix[1][2];
 611         rootmatrix.m[1][3] = softwaretransform_matrix[1][3];
 612         rootmatrix.m[2][0] = softwaretransform_matrix[2][1];
 613         rootmatrix.m[2][1] = -softwaretransform_matrix[2][0];
 614         rootmatrix.m[2][2] = softwaretransform_matrix[2][2];
 615         rootmatrix.m[2][3] = softwaretransform_matrix[2][3];
 616         */
 617         rootmatrix.m[0][0] = 1;
 618         rootmatrix.m[0][1] = 0;
 619         rootmatrix.m[0][2] = 0;
 620         rootmatrix.m[0][3] = 0;
 621         rootmatrix.m[1][0] = 0;
 622         rootmatrix.m[1][1] = 1;
 623         rootmatrix.m[1][2] = 0;
 624         rootmatrix.m[1][3] = 0;
 625         rootmatrix.m[2][0] = 0;
 626         rootmatrix.m[2][1] = 0;
 627         rootmatrix.m[2][2] = 1;
 628         rootmatrix.m[2][3] = 0;
 629
 630         bone1 = bonebase + blend[0].frame * count;
 631         lerp1 = blend[0].lerp;
 632         if (blend[1].lerp)
 633         {
 634                 bone2 = bonebase + blend[1].frame * count;
 635                 lerp2 = blend[1].lerp;
 636                 if (blend[2].lerp)
 637                 {
 638                         bone3 = bonebase + blend[2].frame * count;
 639                         lerp3 = blend[2].lerp;
 640                         if (blend[3].lerp)
 641                         {
 642                                 // 4 poses
 643                                 bone4 = bonebase + blend[3].frame * count;
 644                                 lerp4 = blend[3].lerp;
 645                                 for (i = 0, out = zymbonepose;i < count;i++, out++)
 646                                 {
 647                                         // interpolate matrices
 648                                         m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
 649                                         m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
 650                                         m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
 651                                         m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
 652                                         m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
 653                                         m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
 654                                         m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
 655                                         m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
 656                                         m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
 657                                         m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
 658                                         m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
 659                                         m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
 660                                         if (bone->parent >= 0)
 661                                                 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
 662                                         else
 663                                                 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 664                                         bone1++;
 665                                         bone2++;
 666                                         bone3++;
 667                                         bone4++;
 668                                         bone++;
 669                                 }
 670                         }
 671                         else
 672                         {
 673                                 // 3 poses
 674                                 for (i = 0, out = zymbonepose;i < count;i++, out++)
 675                                 {
 676                                         // interpolate matrices
 677                                         m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
 678                                         m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
 679                                         m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
 680                                         m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
 681                                         m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
 682                                         m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
 683                                         m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
 684                                         m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
 685                                         m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
 686                                         m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
 687                                         m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
 688                                         m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
 689                                         if (bone->parent >= 0)
 690                                                 R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
 691                                         else
 692                                                 R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 693                                         bone1++;
 694                                         bone2++;
 695                                         bone3++;
 696                                         bone++;
 697                                 }
 698                         }
 699                 }
 700                 else
 701                 {
 702                         // 2 poses
 703                         for (i = 0, out = zymbonepose;i < count;i++, out++)
 704                         {
 705                                 // interpolate matrices
 706                                 m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
 707                                 m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
 708                                 m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
 709                                 m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
 710                                 m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
 711                                 m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
 712                                 m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
 713                                 m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
 714                                 m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
 715                                 m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
 716                                 m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
 717                                 m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
 718                                 if (bone->parent >= 0)
 719                                         R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
 720                                 else
 721                                         R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 722                                 bone1++;
 723                                 bone2++;
 724                                 bone++;
 725                         }
 726                 }
 727         }
 728         else
 729         {
 730                 // 1 pose
 731                 if (lerp1 != 1)
 732                 {
 733                         // lerp != 1.0
 734                         for (i = 0, out = zymbonepose;i < count;i++, out++)
 735                         {
 736                                 // interpolate matrices
 737                                 m.m[0][0] = bone1->m[0][0] * lerp1;
 738                                 m.m[0][1] = bone1->m[0][1] * lerp1;
 739                                 m.m[0][2] = bone1->m[0][2] * lerp1;
 740                                 m.m[0][3] = bone1->m[0][3] * lerp1;
 741                                 m.m[1][0] = bone1->m[1][0] * lerp1;
 742                                 m.m[1][1] = bone1->m[1][1] * lerp1;
 743                                 m.m[1][2] = bone1->m[1][2] * lerp1;
 744                                 m.m[1][3] = bone1->m[1][3] * lerp1;
 745                                 m.m[2][0] = bone1->m[2][0] * lerp1;
 746                                 m.m[2][1] = bone1->m[2][1] * lerp1;
 747                                 m.m[2][2] = bone1->m[2][2] * lerp1;
 748                                 m.m[2][3] = bone1->m[2][3] * lerp1;
 749                                 if (bone->parent >= 0)
 750                                         R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
 751                                 else
 752                                         R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
 753                                 bone1++;
 754                                 bone++;
 755                         }
 756                 }
 757                 else
 758                 {
 759                         // lerp == 1.0
 760                         for (i = 0, out = zymbonepose;i < count;i++, out++)
 761                         {
 762                                 if (bone->parent >= 0)
 763                                         R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
 764                                 else
 765                                         R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
 766                                 bone1++;
 767                                 bone++;
 768                         }
 769                 }
 770         }
 771         return true;
 772 }
 773
 774 void ZymoticTransformVerts(int vertcount, int *bonecounts, zymvertex_t *vert)
 775 {
 776         int c;
 777         float *out = aliasvert;
 778         zymbonematrix *matrix;
 779         while(vertcount--)
 780         {
 781                 c = *bonecounts++;
 782                 // FIXME: validate bonecounts at load time (must be >= 1)
 783                 // FIXME: need 4th component in origin, for how much of the translate to blend in
 784                 if (c == 1)
 785                 {
 786                         matrix = &zymbonepose[vert->bonenum];
 787                         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];
 788                         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];
 789                         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];
 790                         vert++;
 791                 }
 792                 else
 793                 {
 794                         VectorClear(out);
 795                         while(c--)
 796                         {
 797                                 matrix = &zymbonepose[vert->bonenum];
 798                                 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];
 799                                 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];
 800                                 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];
 801                                 vert++;
 802                         }
 803                 }
 804                 out += 4;
 805         }
 806 }
 807
 808 void ZymoticCalcNormals(int vertcount, int shadercount, int *renderlist)
 809 {
 810         int a, b, c, d;
 811         float *out, v1[3], v2[3], normal[3], s;
 812         int *u;
 813         // clear normals
 814         memset(aliasvertnorm, 0, sizeof(float) * vertcount * 3);
 815         memset(aliasvertusage, 0, sizeof(int) * vertcount);
 816         // parse render list and accumulate surface normals
 817         while(shadercount--)
 818         {
 819                 d = *renderlist++;
 820                 while (d--)
 821                 {
 822                         a = renderlist[0]*4;
 823                         b = renderlist[1]*4;
 824                         c = renderlist[2]*4;
 825                         v1[0] = aliasvert[a+0] - aliasvert[b+0];
 826                         v1[1] = aliasvert[a+1] - aliasvert[b+1];
 827                         v1[2] = aliasvert[a+2] - aliasvert[b+2];
 828                         v2[0] = aliasvert[c+0] - aliasvert[b+0];
 829                         v2[1] = aliasvert[c+1] - aliasvert[b+1];
 830                         v2[2] = aliasvert[c+2] - aliasvert[b+2];
 831                         CrossProduct(v1, v2, normal);
 832                         VectorNormalizeFast(normal);
 833                         // add surface normal to vertices
 834                         a = renderlist[0] * 3;
 835                         aliasvertnorm[a+0] += normal[0];
 836                         aliasvertnorm[a+1] += normal[1];
 837                         aliasvertnorm[a+2] += normal[2];
 838                         aliasvertusage[renderlist[0]]++;
 839                         a = renderlist[1] * 3;
 840                         aliasvertnorm[a+0] += normal[0];
 841                         aliasvertnorm[a+1] += normal[1];
 842                         aliasvertnorm[a+2] += normal[2];
 843                         aliasvertusage[renderlist[1]]++;
 844                         a = renderlist[2] * 3;
 845                         aliasvertnorm[a+0] += normal[0];
 846                         aliasvertnorm[a+1] += normal[1];
 847                         aliasvertnorm[a+2] += normal[2];
 848                         aliasvertusage[renderlist[2]]++;
 849                         renderlist += 3;
 850                 }
 851         }
 852         // FIXME: precalc this
 853         // average surface normals
 854         out = aliasvertnorm;
 855         u = aliasvertusage;
 856         while(vertcount--)
 857         {
 858                 if (*u > 1)
 859                 {
 860                         s = ixtable[*u];
 861                         out[0] *= s;
 862                         out[1] *= s;
 863                         out[2] *= s;
 864                 }
 865                 u++;
 866                 out += 3;
 867         }
 868 }
 869
 870 void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
 871 {
 872         float fog, colorscale;
 873         vec3_t diff;
 874         int i, *renderlist, *elements;
 875         zymtype1header_t *m;
 876         rtexture_t *texture;
 877         rmeshstate_t mstate;
 878         const entity_render_t *ent = calldata1;
 879         int shadernum = calldata2;
 880         int numverts, numtriangles;
 881
 882         R_Mesh_Matrix(&ent->matrix);
 883
 884         // find the vertex index list and texture
 885         m = ent->model->zymdata_header;
 886         renderlist = (int *)(m->lump_render.start + (int) m);
 887         for (i = 0;i < shadernum;i++)
 888                 renderlist += renderlist[0] * 3 + 1;
 889         texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[shadernum];
 890
 891         numverts = m->numverts;
 892         numtriangles = *renderlist++;
 893         elements = renderlist;
 894         R_Mesh_ResizeCheck(numverts);
 895
 896         fog = 0;
 897         if (fogenabled)
 898         {
 899                 VectorSubtract(ent->origin, r_origin, diff);
 900                 fog = DotProduct(diff,diff);
 901                 if (fog < 0.01f)
 902                         fog = 0.01f;
 903                 fog = exp(fogdensity/fog);
 904                 if (fog > 1)
 905                         fog = 1;
 906                 if (fog < 0.01f)
 907                         fog = 0;
 908                 // fog method: darken, additive fog
 909                 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
 910                 // 2. render fog as additive
 911         }
 912
 913         ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), ent->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m));
 914         ZymoticTransformVerts(numverts, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m));
 915         ZymoticCalcNormals(numverts, m->numshaders, (int *)(m->lump_render.start + (int) m));
 916
 917         R_LightModel(ent, numverts, 1 - fog, 1 - fog, 1 - fog, false);
 918
 919         memset(&mstate, 0, sizeof(mstate));
 920         if (ent->effects & EF_ADDITIVE)
 921         {
 922                 mstate.blendfunc1 = GL_SRC_ALPHA;
 923                 mstate.blendfunc2 = GL_ONE;
 924         }
 925         else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
 926         {
 927                 mstate.blendfunc1 = GL_SRC_ALPHA;
 928                 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 929         }
 930         else
 931         {
 932                 mstate.blendfunc1 = GL_ONE;
 933                 mstate.blendfunc2 = GL_ZERO;
 934         }
 935         colorscale = r_colorscale;
 936         if (gl_combine.integer)
 937         {
 938                 mstate.texrgbscale[0] = 4;
 939                 colorscale *= 0.25f;
 940         }
 941         mstate.tex[0] = R_GetTexture(texture);
 942         R_Mesh_State(&mstate);
 943
 944         c_alias_polys += numtriangles;
 945         memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4]));
 946         R_ModulateColors(aliasvertcolor, varray_color, numverts, colorscale, colorscale, colorscale);
 947         memcpy(varray_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
 948         GL_UseColorArray();
 949         R_Mesh_Draw(numverts, numtriangles, elements);
 950
 951         if (fog)
 952         {
 953                 memset(&mstate, 0, sizeof(mstate));
 954                 mstate.blendfunc1 = GL_SRC_ALPHA;
 955                 mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
 956                 // FIXME: need alpha mask for fogging...
 957                 //mstate.tex[0] = R_GetTexture(texture);
 958                 R_Mesh_State(&mstate);
 959
 960                 c_alias_polys += numtriangles;
 961                 memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4]));
 962                 //memcpy(mesh_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2]));
 963                 GL_Color(fogcolor[0] * r_colorscale, fogcolor[1] * r_colorscale, fogcolor[2] * r_colorscale, ent->alpha * fog);
 964                 R_Mesh_Draw(numverts, numtriangles, elements);
 965         }
 966 }
 967
 968 void R_DrawZymoticModel (entity_render_t *ent)
 969 {
 970         int i;
 971         zymtype1header_t *m;
 972         rtexture_t *texture;
 973
 974         if (ent->alpha < (1.0f / 64.0f))
 975                 return; // basically completely transparent
 976
 977         c_models++;
 978
 979         m = ent->model->zymdata_header;
 980         for (i = 0;i < m->numshaders;i++)
 981         {
 982                 texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[i];
 983                 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(texture))
 984                         R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
 985                 else
 986                         R_DrawZymoticModelMeshCallback(ent, i);
 987         }
 988 }
 989
 990 void R_DrawQ1Q2AliasModel(entity_render_t *ent)
 991 {
 992         if (ent->alpha < (1.0f / 64.0f))
 993                 return; // basically completely transparent
 994
 995         c_models++;
 996
 997         if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL)
 998                 R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0);
 999         else
1000                 R_DrawQ1Q2AliasModelCallback(ent, 0);
1001 }