]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_models.c
finished model/map rendering merge, model renderer has been completely removed
[xonotic/darkplaces.git] / gl_models.c
index bb63bf3d6e212997155977b21b5b6b712e8a6116..8b137891791fe96927ad78e64b0aad7bded08bdc 100644 (file)
@@ -1,921 +1 @@
 
-#include "quakedef.h"
-#include "cl_collision.h"
-#include "r_shadow.h"
-
-typedef struct
-{
-       float m[3][4];
-} zymbonematrix;
-
-// LordHavoc: vertex arrays
-int aliasvertmax = 0;
-void *aliasvertarrays = NULL;
-float *aliasvertcolor4fbuf = NULL;
-float *aliasvertcolor4f = NULL; // this may point at aliasvertcolorbuf or at vertex arrays in the mesh backend
-float *aliasvert_svector3f = NULL;
-float *aliasvert_tvector3f = NULL;
-float *aliasvert_normal3f = NULL;
-
-float *aliasvertcolor2_4f = NULL;
-int *aliasvertusage;
-zymbonematrix *zymbonepose;
-
-mempool_t *gl_models_mempool;
-
-#define expandaliasvert(newmax) if ((newmax) > aliasvertmax) gl_models_allocarrays(newmax)
-
-void gl_models_allocarrays(int newmax)
-{
-       qbyte *data;
-       aliasvertmax = newmax;
-       if (aliasvertarrays != NULL)
-               Mem_Free(aliasvertarrays);
-       aliasvertarrays = Mem_Alloc(gl_models_mempool, aliasvertmax * (sizeof(float[4+4+3+3+3]) + sizeof(int[3])));
-       data = aliasvertarrays;
-       aliasvertcolor4f = aliasvertcolor4fbuf = (void *)data;data += aliasvertmax * sizeof(float[4]);
-       aliasvertcolor2_4f = (void *)data;data += aliasvertmax * sizeof(float[4]); // used temporarily for tinted coloring
-       aliasvert_svector3f = (void *)data;data += aliasvertmax * sizeof(float[3]);
-       aliasvert_tvector3f = (void *)data;data += aliasvertmax * sizeof(float[3]);
-       aliasvert_normal3f = (void *)data;data += aliasvertmax * sizeof(float[3]);
-       aliasvertusage = (void *)data;data += aliasvertmax * sizeof(int[3]);
-}
-
-void gl_models_freearrays(void)
-{
-       aliasvertmax = 0;
-       if (aliasvertarrays != NULL)
-               Mem_Free(aliasvertarrays);
-       aliasvertarrays = NULL;
-       aliasvertcolor4f = aliasvertcolor4fbuf = NULL;
-       aliasvertcolor2_4f = NULL;
-       aliasvert_svector3f = NULL;
-       aliasvert_tvector3f = NULL;
-       aliasvert_normal3f = NULL;
-       aliasvertusage = NULL;
-}
-
-void gl_models_start(void)
-{
-       // allocate vertex processing arrays
-       gl_models_mempool = Mem_AllocPool("GL_Models");
-       zymbonepose = Mem_Alloc(gl_models_mempool, sizeof(zymbonematrix[256]));
-       gl_models_allocarrays(4096);
-}
-
-void gl_models_shutdown(void)
-{
-       gl_models_freearrays();
-       Mem_FreePool(&gl_models_mempool);
-}
-
-void gl_models_newmap(void)
-{
-}
-
-void GL_Models_Init(void)
-{
-       R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
-}
-
-void R_Model_Alias_GetMesh_Vertex3f(const entity_render_t *ent, aliasmesh_t *mesh, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f)
-{
-       int i, vertcount;
-       float lerp1, lerp2, lerp3, lerp4;
-       const aliasvertex_t *verts1, *verts2, *verts3, *verts4;
-
-       if (vertex3f == NULL)
-               Host_Error("R_Model_Alias_GetMesh_Vertex3f: vertices == NULL.\n");
-       if (svector3f != NULL && (tvector3f == NULL || normal3f == NULL))
-               Host_Error("R_Model_Alias_GetMesh_Vertex3f: svectors requires tvectors and normals.\n");
-       if (tvector3f != NULL && (svector3f == NULL || normal3f == NULL))
-               Host_Error("R_Model_Alias_GetMesh_Vertex3f: tvectors requires svectors and normals.\n");
-
-       vertcount = mesh->num_vertices;
-       verts1 = mesh->data_aliasvertex + ent->frameblend[0].frame * vertcount;
-       lerp1 = ent->frameblend[0].lerp;
-       if (ent->frameblend[1].lerp)
-       {
-               verts2 = mesh->data_aliasvertex + ent->frameblend[1].frame * vertcount;
-               lerp2 = ent->frameblend[1].lerp;
-               if (ent->frameblend[2].lerp)
-               {
-                       verts3 = mesh->data_aliasvertex + ent->frameblend[2].frame * vertcount;
-                       lerp3 = ent->frameblend[2].lerp;
-                       if (ent->frameblend[3].lerp)
-                       {
-                               verts4 = mesh->data_aliasvertex + ent->frameblend[3].frame * vertcount;
-                               lerp4 = ent->frameblend[3].lerp;
-                               // generate vertices
-                               if (svector3f != NULL)
-                               {
-                                       for (i = 0;i < vertcount;i++, vertex3f += 3, normal3f += 3, svector3f += 3, tvector3f += 3, verts1++, verts2++, verts3++, verts4++)
-                                       {
-                                               VectorMAMAMAM(lerp1, verts1->origin, lerp2, verts2->origin, lerp3, verts3->origin, lerp4, verts4->origin, vertex3f);
-                                               VectorMAMAMAM(lerp1, verts1->normal, lerp2, verts2->normal, lerp3, verts3->normal, lerp4, verts4->normal, normal3f);
-                                               VectorMAMAMAM(lerp1, verts1->svector, lerp2, verts2->svector, lerp3, verts3->svector, lerp4, verts4->svector, svector3f);
-                                               CrossProduct(svector3f, normal3f, tvector3f);
-                                       }
-                               }
-                               else if (normal3f != NULL)
-                               {
-                                       for (i = 0;i < vertcount;i++, vertex3f += 3, normal3f += 3, verts1++, verts2++, verts3++, verts4++)
-                                       {
-                                               VectorMAMAMAM(lerp1, verts1->origin, lerp2, verts2->origin, lerp3, verts3->origin, lerp4, verts4->origin, vertex3f);
-                                               VectorMAMAMAM(lerp1, verts1->normal, lerp2, verts2->normal, lerp3, verts3->normal, lerp4, verts4->normal, normal3f);
-                                       }
-                               }
-                               else
-                                       for (i = 0;i < vertcount;i++, vertex3f += 3, verts1++, verts2++, verts3++, verts4++)
-                                               VectorMAMAMAM(lerp1, verts1->origin, lerp2, verts2->origin, lerp3, verts3->origin, lerp4, verts4->origin, vertex3f);
-                       }
-                       else
-                       {
-                               // generate vertices
-                               if (svector3f != NULL)
-                               {
-                                       for (i = 0;i < vertcount;i++, vertex3f += 3, normal3f += 3, svector3f += 3, tvector3f += 3, verts1++, verts2++, verts3++)
-                                       {
-                                               VectorMAMAM(lerp1, verts1->origin, lerp2, verts2->origin, lerp3, verts3->origin, vertex3f);
-                                               VectorMAMAM(lerp1, verts1->normal, lerp2, verts2->normal, lerp3, verts3->normal, normal3f);
-                                               VectorMAMAM(lerp1, verts1->svector, lerp2, verts2->svector, lerp3, verts3->svector, svector3f);
-                                               CrossProduct(svector3f, normal3f, tvector3f);
-                                       }
-                               }
-                               else if (normal3f != NULL)
-                               {
-                                       for (i = 0;i < vertcount;i++, vertex3f += 3, normal3f += 3, verts1++, verts2++, verts3++)
-                                       {
-                                               VectorMAMAM(lerp1, verts1->origin, lerp2, verts2->origin, lerp3, verts3->origin, vertex3f);
-                                               VectorMAMAM(lerp1, verts1->normal, lerp2, verts2->normal, lerp3, verts3->normal, normal3f);
-                                       }
-                               }
-                               else
-                                       for (i = 0;i < vertcount;i++, vertex3f += 3, verts1++, verts2++, verts3++)
-                                               VectorMAMAM(lerp1, verts1->origin, lerp2, verts2->origin, lerp3, verts3->origin, vertex3f);
-                       }
-               }
-               else
-               {
-                       // generate vertices
-                       if (svector3f != NULL)
-                       {
-                               for (i = 0;i < vertcount;i++, vertex3f += 3, normal3f += 3, svector3f += 3, tvector3f += 3, verts1++, verts2++)
-                               {
-                                       VectorMAM(lerp1, verts1->origin, lerp2, verts2->origin, vertex3f);
-                                       VectorMAM(lerp1, verts1->normal, lerp2, verts2->normal, normal3f);
-                                       VectorMAM(lerp1, verts1->svector, lerp2, verts2->svector, svector3f);
-                                       CrossProduct(svector3f, normal3f, tvector3f);
-                               }
-                       }
-                       else if (normal3f != NULL)
-                       {
-                               for (i = 0;i < vertcount;i++, vertex3f += 3, normal3f += 3, verts1++, verts2++)
-                               {
-                                       VectorMAM(lerp1, verts1->origin, lerp2, verts2->origin, vertex3f);
-                                       VectorMAM(lerp1, verts1->normal, lerp2, verts2->normal, normal3f);
-                               }
-                       }
-                       else
-                               for (i = 0;i < vertcount;i++, vertex3f += 3, verts1++, verts2++)
-                                       VectorMAM(lerp1, verts1->origin, lerp2, verts2->origin, vertex3f);
-               }
-       }
-       else
-       {
-               // generate vertices
-               if (svector3f != NULL)
-               {
-                       for (i = 0;i < vertcount;i++, vertex3f += 3, normal3f += 3, svector3f += 3, tvector3f += 3, verts1++)
-                       {
-                               VectorCopy(verts1->origin, vertex3f);
-                               VectorCopy(verts1->normal, normal3f);
-                               VectorCopy(verts1->svector, svector3f);
-                               CrossProduct(svector3f, normal3f, tvector3f);
-                       }
-               }
-               else if (normal3f != NULL)
-               {
-                       for (i = 0;i < vertcount;i++, vertex3f += 3, normal3f += 3, verts1++)
-                       {
-                               VectorCopy(verts1->origin, vertex3f);
-                               VectorCopy(verts1->normal, normal3f);
-                       }
-               }
-               else
-                       for (i = 0;i < vertcount;i++, vertex3f += 3, verts1++)
-                               VectorCopy(verts1->origin, vertex3f);
-       }
-}
-
-aliasskin_t *R_FetchAliasSkin(const entity_render_t *ent, const aliasmesh_t *mesh)
-{
-       model_t *model = ent->model;
-       int s = ent->skinnum;
-       if ((unsigned int)s >= (unsigned int)model->numskins)
-               s = 0;
-       if (model->skinscenes[s].framecount > 1)
-               s = model->skinscenes[s].firstframe + (int) (cl.time * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
-       else
-               s = model->skinscenes[s].firstframe;
-       if (s >= mesh->num_skins)
-               s = 0;
-       return mesh->data_skins + s;
-}
-
-void R_DrawAliasModelCallback (const void *calldata1, int calldata2)
-{
-       int c, fullbright, layernum;
-       float tint[3], fog, ifog, colorscale;
-       vec3_t diff;
-       qbyte *bcolor;
-       rmeshstate_t m;
-       const entity_render_t *ent = calldata1;
-       aliasmesh_t *mesh = ent->model->aliasdata_meshes + calldata2;
-       aliaslayer_t *layer;
-       aliasskin_t *skin;
-
-       R_Mesh_Matrix(&ent->matrix);
-
-       fog = 0;
-       if (fogenabled)
-       {
-               VectorSubtract(ent->origin, r_origin, diff);
-               fog = DotProduct(diff,diff);
-               if (fog < 0.01f)
-                       fog = 0.01f;
-               fog = exp(fogdensity/fog);
-               if (fog > 1)
-                       fog = 1;
-               if (fog < 0.01f)
-                       fog = 0;
-               // fog method: darken, additive fog
-               // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
-               // 2. render fog as additive
-       }
-       ifog = 1 - fog;
-
-       memset(&m, 0, sizeof(m));
-       skin = R_FetchAliasSkin(ent, mesh);
-       for (layernum = 0, layer = skin->data_layers;layernum < skin->num_layers;layernum++, layer++)
-       {
-               if (((layer->flags & ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED) && ent->colormap < 0)
-                || ((layer->flags & ALIASLAYER_NODRAW_IF_COLORMAPPED) && ent->colormap >= 0)
-                ||  (layer->flags & ALIASLAYER_DRAW_PER_LIGHT))
-                       continue;
-               expandaliasvert(mesh->num_vertices);
-               if (layer->flags & ALIASLAYER_FOG)
-               {
-                       m.blendfunc1 = GL_SRC_ALPHA;
-                       m.blendfunc2 = GL_ONE;
-                       colorscale = r_colorscale;
-                       m.texrgbscale[0] = 1;
-                       m.tex[0] = R_GetTexture(layer->texture);
-                       R_Mesh_State(&m);
-                       GL_Color(fogcolor[0] * fog * colorscale, fogcolor[1] * fog * colorscale, fogcolor[2] * fog * colorscale, ent->alpha);
-                       c_alias_polys += mesh->num_triangles;
-                       R_Mesh_GetSpace(mesh->num_vertices);
-                       R_Model_Alias_GetMesh_Vertex3f(ent, mesh, varray_vertex3f, aliasvert_normal3f, NULL, NULL);
-                       if (layer->texture != NULL)
-                               R_Mesh_CopyTexCoord2f(0, mesh->data_texcoord2f, mesh->num_vertices);
-                       R_Mesh_Draw(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
-                       continue;
-               }
-               if ((layer->flags & ALIASLAYER_ADD) || ((layer->flags & ALIASLAYER_ALPHA) && (ent->effects & EF_ADDITIVE)))
-               {
-                       m.blendfunc1 = GL_SRC_ALPHA;
-                       m.blendfunc2 = GL_ONE;
-               }
-               else if ((layer->flags & ALIASLAYER_ALPHA) || ent->alpha != 1.0)
-               {
-                       m.blendfunc1 = GL_SRC_ALPHA;
-                       m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
-               }
-               else
-               {
-                       m.blendfunc1 = GL_ONE;
-                       m.blendfunc2 = GL_ZERO;
-               }
-               colorscale = r_colorscale;
-               m.texrgbscale[0] = 1;
-               if (gl_combine.integer)
-               {
-                       colorscale *= 0.25f;
-                       m.texrgbscale[0] = 4;
-               }
-               m.tex[0] = R_GetTexture(layer->texture);
-               R_Mesh_State(&m);
-               if (layer->flags & ALIASLAYER_COLORMAP_PANTS)
-               {
-                       // 128-224 are backwards ranges
-                       c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
-                       bcolor = (qbyte *) (&palette_complete[c]);
-                       fullbright = c >= 224;
-                       VectorScale(bcolor, (1.0f / 255.0f), tint);
-               }
-               else if (layer->flags & ALIASLAYER_COLORMAP_SHIRT)
-               {
-                       // 128-224 are backwards ranges
-                       c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
-                       bcolor = (qbyte *) (&palette_complete[c]);
-                       fullbright = c >= 224;
-                       VectorScale(bcolor, (1.0f / 255.0f), tint);
-               }
-               else
-               {
-                       tint[0] = tint[1] = tint[2] = 1;
-                       fullbright = false;
-               }
-               VectorScale(tint, ifog * colorscale, tint);
-               if (!(layer->flags & ALIASLAYER_DIFFUSE))
-                       fullbright = true;
-               if (ent->effects & EF_FULLBRIGHT)
-                       fullbright = true;
-               c_alias_polys += mesh->num_triangles;
-               R_Mesh_GetSpace(mesh->num_vertices);
-               R_Model_Alias_GetMesh_Vertex3f(ent, mesh, varray_vertex3f, aliasvert_normal3f, NULL, NULL);
-               R_Mesh_CopyTexCoord2f(0, mesh->data_texcoord2f, mesh->num_vertices);
-               if (fullbright)
-                       GL_Color(tint[0], tint[1], tint[2], ent->alpha);
-               else
-                       R_LightModel(ent, mesh->num_vertices, varray_vertex3f, aliasvert_normal3f, varray_color4f, tint[0], tint[1], tint[2], false);
-               R_Mesh_Draw(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
-       }
-}
-
-void R_Model_Alias_Draw(entity_render_t *ent)
-{
-       int meshnum;
-       aliasmesh_t *mesh;
-       if (ent->alpha < (1.0f / 64.0f))
-               return; // basically completely transparent
-
-       c_models++;
-
-       for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++, mesh++)
-       {
-               if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchAliasSkin(ent, mesh)->flags & ALIASSKIN_TRANSPARENT)
-                       R_MeshQueue_AddTransparent(ent->origin, R_DrawAliasModelCallback, ent, meshnum);
-               else
-                       R_DrawAliasModelCallback(ent, meshnum);
-       }
-}
-
-void R_Model_Alias_DrawFakeShadow (entity_render_t *ent)
-{
-       int i, meshnum;
-       aliasmesh_t *mesh;
-       aliasskin_t *skin;
-       rmeshstate_t m;
-       float *v, planenormal[3], planedist, dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3];
-
-       if ((ent->effects & EF_ADDITIVE) || ent->alpha < 1)
-               return;
-
-       lightdirection[0] = 0.5;
-       lightdirection[1] = 0.2;
-       lightdirection[2] = -1;
-       VectorNormalizeFast(lightdirection);
-
-       VectorMA(ent->origin, 65536.0f, lightdirection, v2);
-       if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1)
-               return;
-
-       R_Mesh_Matrix(&ent->matrix);
-
-       memset(&m, 0, sizeof(m));
-       m.blendfunc1 = GL_SRC_ALPHA;
-       m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
-       R_Mesh_State(&m);
-       GL_Color(0, 0, 0, 0.5);
-
-       // put a light direction in the entity's coordinate space
-       Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, projection);
-       VectorNormalizeFast(projection);
-
-       // put the plane's normal in the entity's coordinate space
-       Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, planenormal);
-       VectorNormalizeFast(planenormal);
-
-       // put the plane's distance in the entity's coordinate space
-       VectorSubtract(floororigin, ent->origin, floororigin);
-       planedist = DotProduct(floororigin, surfnormal) + 2;
-
-       dist = -1.0f / DotProduct(projection, planenormal);
-       VectorScale(projection, dist, projection);
-       for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++)
-       {
-               skin = R_FetchAliasSkin(ent, mesh);
-               if (skin->flags & ALIASSKIN_TRANSPARENT)
-                       continue;
-               R_Mesh_GetSpace(mesh->num_vertices);
-               R_Model_Alias_GetMesh_Vertex3f(ent, mesh, varray_vertex3f, NULL, NULL, NULL);
-               for (i = 0, v = varray_vertex3f;i < mesh->num_vertices;i++, v += 3)
-               {
-                       dist = DotProduct(v, planenormal) - planedist;
-                       if (dist > 0)
-                               VectorMA(v, dist, projection, v);
-               }
-               c_alias_polys += mesh->num_triangles;
-               R_Mesh_Draw(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
-       }
-}
-
-void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius)
-{
-       int meshnum;
-       aliasmesh_t *mesh;
-       aliasskin_t *skin;
-       float projectdistance;
-       if (ent->effects & EF_ADDITIVE || ent->alpha < 1)
-               return;
-       projectdistance = lightradius + ent->model->radius - sqrt(DotProduct(relativelightorigin, relativelightorigin));
-       if (projectdistance > 0.1)
-       {
-               R_Mesh_Matrix(&ent->matrix);
-               for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++, mesh++)
-               {
-                       skin = R_FetchAliasSkin(ent, mesh);
-                       if (skin->flags & ALIASSKIN_TRANSPARENT)
-                               continue;
-                       R_Mesh_GetSpace(mesh->num_vertices * 2);
-                       R_Model_Alias_GetMesh_Vertex3f(ent, mesh, varray_vertex3f, NULL, NULL, NULL);
-                       R_Shadow_Volume(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, mesh->data_neighbor3i, relativelightorigin, lightradius, projectdistance);
-               }
-       }
-}
-
-void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz)
-{
-       int c, meshnum, layernum;
-       float fog, ifog, lightcolor2[3], *vertices;
-       vec3_t diff;
-       qbyte *bcolor;
-       aliasmesh_t *mesh;
-       aliaslayer_t *layer;
-       aliasskin_t *skin;
-
-       if (ent->effects & (EF_ADDITIVE | EF_FULLBRIGHT) || ent->alpha < 1)
-               return;
-
-       R_Mesh_Matrix(&ent->matrix);
-
-       fog = 0;
-       if (fogenabled)
-       {
-               VectorSubtract(ent->origin, r_origin, diff);
-               fog = DotProduct(diff,diff);
-               if (fog < 0.01f)
-                       fog = 0.01f;
-               fog = exp(fogdensity/fog);
-               if (fog > 1)
-                       fog = 1;
-               if (fog < 0.01f)
-                       fog = 0;
-               // fog method: darken, additive fog
-               // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
-               // 2. render fog as additive
-       }
-       ifog = 1 - fog;
-
-       for (meshnum = 0, mesh = ent->model->aliasdata_meshes;meshnum < ent->model->aliasnum_meshes;meshnum++, mesh++)
-       {
-               skin = R_FetchAliasSkin(ent, mesh);
-               if (skin->flags & ALIASSKIN_TRANSPARENT)
-                       continue;
-               expandaliasvert(mesh->num_vertices);
-               vertices = R_Shadow_VertexBuffer(mesh->num_vertices);
-               R_Model_Alias_GetMesh_Vertex3f(ent, mesh, vertices, aliasvert_normal3f, aliasvert_svector3f, aliasvert_tvector3f);
-               for (layernum = 0, layer = skin->data_layers;layernum < skin->num_layers;layernum++, layer++)
-               {
-                       if (!(layer->flags & ALIASLAYER_DRAW_PER_LIGHT)
-                        || ((layer->flags & ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED) && ent->colormap < 0)
-                        || ((layer->flags & ALIASLAYER_NODRAW_IF_COLORMAPPED) && ent->colormap >= 0))
-                               continue;
-                       lightcolor2[0] = lightcolor[0] * ifog;
-                       lightcolor2[1] = lightcolor[1] * ifog;
-                       lightcolor2[2] = lightcolor[2] * ifog;
-                       if (layer->flags & ALIASLAYER_SPECULAR)
-                       {
-                               c_alias_polys += mesh->num_triangles;
-                               R_Shadow_SpecularLighting(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertices, aliasvert_svector3f, aliasvert_tvector3f, aliasvert_normal3f, mesh->data_texcoord2f, relativelightorigin, relativeeyeorigin, lightradius, lightcolor2, matrix_modeltofilter, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, layer->texture, layer->nmap, NULL);
-                       }
-                       else if (layer->flags & ALIASLAYER_DIFFUSE)
-                       {
-                               if (layer->flags & ALIASLAYER_COLORMAP_PANTS)
-                               {
-                                       // 128-224 are backwards ranges
-                                       c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
-                                       // fullbright passes were already taken care of, so skip them in realtime lighting passes
-                                       if (c >= 224)
-                                               continue;
-                                       bcolor = (qbyte *) (&palette_complete[c]);
-                                       lightcolor2[0] *= bcolor[0] * (1.0f / 255.0f);
-                                       lightcolor2[1] *= bcolor[1] * (1.0f / 255.0f);
-                                       lightcolor2[2] *= bcolor[2] * (1.0f / 255.0f);
-                               }
-                               else if (layer->flags & ALIASLAYER_COLORMAP_SHIRT)
-                               {
-                                       // 128-224 are backwards ranges
-                                       c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
-                                       // fullbright passes were already taken care of, so skip them in realtime lighting passes
-                                       if (c >= 224)
-                                               continue;
-                                       bcolor = (qbyte *) (&palette_complete[c]);
-                                       lightcolor2[0] *= bcolor[0] * (1.0f / 255.0f);
-                                       lightcolor2[1] *= bcolor[1] * (1.0f / 255.0f);
-                                       lightcolor2[2] *= bcolor[2] * (1.0f / 255.0f);
-                               }
-                               c_alias_polys += mesh->num_triangles;
-                               R_Shadow_DiffuseLighting(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertices, aliasvert_svector3f, aliasvert_tvector3f, aliasvert_normal3f, mesh->data_texcoord2f, relativelightorigin, lightradius, lightcolor2, matrix_modeltofilter, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, layer->texture, layer->nmap, NULL);
-                       }
-               }
-       }
-}
-
-int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone)
-{
-       int i;
-       float lerp1, lerp2, lerp3, lerp4;
-       zymbonematrix *out, rootmatrix, m;
-       const zymbonematrix *bone1, *bone2, *bone3, *bone4;
-
-       rootmatrix.m[0][0] = 1;
-       rootmatrix.m[0][1] = 0;
-       rootmatrix.m[0][2] = 0;
-       rootmatrix.m[0][3] = 0;
-       rootmatrix.m[1][0] = 0;
-       rootmatrix.m[1][1] = 1;
-       rootmatrix.m[1][2] = 0;
-       rootmatrix.m[1][3] = 0;
-       rootmatrix.m[2][0] = 0;
-       rootmatrix.m[2][1] = 0;
-       rootmatrix.m[2][2] = 1;
-       rootmatrix.m[2][3] = 0;
-
-       bone1 = bonebase + blend[0].frame * count;
-       lerp1 = blend[0].lerp;
-       if (blend[1].lerp)
-       {
-               bone2 = bonebase + blend[1].frame * count;
-               lerp2 = blend[1].lerp;
-               if (blend[2].lerp)
-               {
-                       bone3 = bonebase + blend[2].frame * count;
-                       lerp3 = blend[2].lerp;
-                       if (blend[3].lerp)
-                       {
-                               // 4 poses
-                               bone4 = bonebase + blend[3].frame * count;
-                               lerp4 = blend[3].lerp;
-                               for (i = 0, out = zymbonepose;i < count;i++, out++)
-                               {
-                                       // interpolate matrices
-                                       m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4;
-                                       m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4;
-                                       m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4;
-                                       m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4;
-                                       m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4;
-                                       m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4;
-                                       m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4;
-                                       m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4;
-                                       m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4;
-                                       m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4;
-                                       m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4;
-                                       m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4;
-                                       if (bone->parent >= 0)
-                                               R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
-                                       else
-                                               R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
-                                       bone1++;
-                                       bone2++;
-                                       bone3++;
-                                       bone4++;
-                                       bone++;
-                               }
-                       }
-                       else
-                       {
-                               // 3 poses
-                               for (i = 0, out = zymbonepose;i < count;i++, out++)
-                               {
-                                       // interpolate matrices
-                                       m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3;
-                                       m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3;
-                                       m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3;
-                                       m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3;
-                                       m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3;
-                                       m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3;
-                                       m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3;
-                                       m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3;
-                                       m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3;
-                                       m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3;
-                                       m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3;
-                                       m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3;
-                                       if (bone->parent >= 0)
-                                               R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
-                                       else
-                                               R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
-                                       bone1++;
-                                       bone2++;
-                                       bone3++;
-                                       bone++;
-                               }
-                       }
-               }
-               else
-               {
-                       // 2 poses
-                       for (i = 0, out = zymbonepose;i < count;i++, out++)
-                       {
-                               // interpolate matrices
-                               m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2;
-                               m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2;
-                               m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2;
-                               m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2;
-                               m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2;
-                               m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2;
-                               m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2;
-                               m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2;
-                               m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2;
-                               m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2;
-                               m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2;
-                               m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2;
-                               if (bone->parent >= 0)
-                                       R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
-                               else
-                                       R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
-                               bone1++;
-                               bone2++;
-                               bone++;
-                       }
-               }
-       }
-       else
-       {
-               // 1 pose
-               if (lerp1 != 1)
-               {
-                       // lerp != 1.0
-                       for (i = 0, out = zymbonepose;i < count;i++, out++)
-                       {
-                               // interpolate matrices
-                               m.m[0][0] = bone1->m[0][0] * lerp1;
-                               m.m[0][1] = bone1->m[0][1] * lerp1;
-                               m.m[0][2] = bone1->m[0][2] * lerp1;
-                               m.m[0][3] = bone1->m[0][3] * lerp1;
-                               m.m[1][0] = bone1->m[1][0] * lerp1;
-                               m.m[1][1] = bone1->m[1][1] * lerp1;
-                               m.m[1][2] = bone1->m[1][2] * lerp1;
-                               m.m[1][3] = bone1->m[1][3] * lerp1;
-                               m.m[2][0] = bone1->m[2][0] * lerp1;
-                               m.m[2][1] = bone1->m[2][1] * lerp1;
-                               m.m[2][2] = bone1->m[2][2] * lerp1;
-                               m.m[2][3] = bone1->m[2][3] * lerp1;
-                               if (bone->parent >= 0)
-                                       R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]);
-                               else
-                                       R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]);
-                               bone1++;
-                               bone++;
-                       }
-               }
-               else
-               {
-                       // lerp == 1.0
-                       for (i = 0, out = zymbonepose;i < count;i++, out++)
-                       {
-                               if (bone->parent >= 0)
-                                       R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]);
-                               else
-                                       R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]);
-                               bone1++;
-                               bone++;
-                       }
-               }
-       }
-       return true;
-}
-
-void ZymoticTransformVerts(int vertcount, float *vertex, int *bonecounts, zymvertex_t *vert)
-{
-       int c;
-       float *out = vertex;
-       zymbonematrix *matrix;
-       while(vertcount--)
-       {
-               c = *bonecounts++;
-               // FIXME: validate bonecounts at load time (must be >= 1)
-               // FIXME: need 4th component in origin, for how much of the translate to blend in
-               if (c == 1)
-               {
-                       matrix = &zymbonepose[vert->bonenum];
-                       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];
-                       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];
-                       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];
-                       vert++;
-               }
-               else
-               {
-                       VectorClear(out);
-                       while(c--)
-                       {
-                               matrix = &zymbonepose[vert->bonenum];
-                               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];
-                               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];
-                               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];
-                               vert++;
-                       }
-               }
-               out += 3;
-       }
-}
-
-void ZymoticCalcNormal3f(int vertcount, float *vertex3f, float *normal3f, int shadercount, int *renderlist)
-{
-       int a, b, c, d;
-       float *out, v1[3], v2[3], normal[3], s;
-       int *u;
-       // clear normals
-       memset(normal3f, 0, sizeof(float) * vertcount * 3);
-       memset(aliasvertusage, 0, sizeof(int) * vertcount);
-       // parse render list and accumulate surface normals
-       while(shadercount--)
-       {
-               d = *renderlist++;
-               while (d--)
-               {
-                       a = renderlist[0]*4;
-                       b = renderlist[1]*4;
-                       c = renderlist[2]*4;
-                       v1[0] = vertex3f[a+0] - vertex3f[b+0];
-                       v1[1] = vertex3f[a+1] - vertex3f[b+1];
-                       v1[2] = vertex3f[a+2] - vertex3f[b+2];
-                       v2[0] = vertex3f[c+0] - vertex3f[b+0];
-                       v2[1] = vertex3f[c+1] - vertex3f[b+1];
-                       v2[2] = vertex3f[c+2] - vertex3f[b+2];
-                       CrossProduct(v1, v2, normal);
-                       VectorNormalizeFast(normal);
-                       // add surface normal to vertices
-                       a = renderlist[0] * 3;
-                       normal3f[a+0] += normal[0];
-                       normal3f[a+1] += normal[1];
-                       normal3f[a+2] += normal[2];
-                       aliasvertusage[renderlist[0]]++;
-                       a = renderlist[1] * 3;
-                       normal3f[a+0] += normal[0];
-                       normal3f[a+1] += normal[1];
-                       normal3f[a+2] += normal[2];
-                       aliasvertusage[renderlist[1]]++;
-                       a = renderlist[2] * 3;
-                       normal3f[a+0] += normal[0];
-                       normal3f[a+1] += normal[1];
-                       normal3f[a+2] += normal[2];
-                       aliasvertusage[renderlist[2]]++;
-                       renderlist += 3;
-               }
-       }
-       // FIXME: precalc this
-       // average surface normals
-       out = normal3f;
-       u = aliasvertusage;
-       while(vertcount--)
-       {
-               if (*u > 1)
-               {
-                       s = ixtable[*u];
-                       out[0] *= s;
-                       out[1] *= s;
-                       out[2] *= s;
-               }
-               u++;
-               out += 3;
-       }
-}
-
-void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2)
-{
-       float fog, ifog, colorscale;
-       vec3_t diff;
-       int i, *renderlist, *elements;
-       rtexture_t *texture;
-       rmeshstate_t mstate;
-       const entity_render_t *ent = calldata1;
-       int shadernum = calldata2;
-       int numverts, numtriangles;
-
-       R_Mesh_Matrix(&ent->matrix);
-
-       // find the vertex index list and texture
-       renderlist = ent->model->zymdata_renderlist;
-       for (i = 0;i < shadernum;i++)
-               renderlist += renderlist[0] * 3 + 1;
-       texture = ent->model->zymdata_textures[shadernum];
-
-       numverts = ent->model->zymnum_verts;
-       numtriangles = *renderlist++;
-       elements = renderlist;
-
-       expandaliasvert(numverts);
-
-       fog = 0;
-       if (fogenabled)
-       {
-               VectorSubtract(ent->origin, r_origin, diff);
-               fog = DotProduct(diff,diff);
-               if (fog < 0.01f)
-                       fog = 0.01f;
-               fog = exp(fogdensity/fog);
-               if (fog > 1)
-                       fog = 1;
-               if (fog < 0.01f)
-                       fog = 0;
-               // fog method: darken, additive fog
-               // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
-               // 2. render fog as additive
-       }
-       ifog = 1 - fog;
-
-       memset(&mstate, 0, sizeof(mstate));
-       if (ent->effects & EF_ADDITIVE)
-       {
-               mstate.blendfunc1 = GL_SRC_ALPHA;
-               mstate.blendfunc2 = GL_ONE;
-       }
-       else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
-       {
-               mstate.blendfunc1 = GL_SRC_ALPHA;
-               mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
-       }
-       else
-       {
-               mstate.blendfunc1 = GL_ONE;
-               mstate.blendfunc2 = GL_ZERO;
-       }
-       colorscale = r_colorscale;
-       if (gl_combine.integer)
-       {
-               mstate.texrgbscale[0] = 4;
-               colorscale *= 0.25f;
-       }
-       mstate.tex[0] = R_GetTexture(texture);
-       R_Mesh_State(&mstate);
-       ZymoticLerpBones(ent->model->zymnum_bones, (zymbonematrix *) ent->model->zymdata_poses, ent->frameblend, ent->model->zymdata_bones);
-
-       R_Mesh_GetSpace(numverts);
-       ZymoticTransformVerts(numverts, varray_vertex3f, ent->model->zymdata_vertbonecounts, ent->model->zymdata_verts);
-       R_Mesh_CopyTexCoord2f(0, ent->model->zymdata_texcoords, ent->model->zymnum_verts);
-       ZymoticCalcNormal3f(numverts, varray_vertex3f, aliasvert_normal3f, ent->model->zymnum_shaders, ent->model->zymdata_renderlist);
-       R_LightModel(ent, numverts, varray_vertex3f, aliasvert_normal3f, varray_color4f, ifog * colorscale, ifog * colorscale, ifog * colorscale, false);
-       R_Mesh_Draw(numverts, numtriangles, elements);
-       c_alias_polys += numtriangles;
-
-       if (fog)
-       {
-               memset(&mstate, 0, sizeof(mstate));
-               mstate.blendfunc1 = GL_SRC_ALPHA;
-               mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
-               // FIXME: need alpha mask for fogging...
-               //mstate.tex[0] = R_GetTexture(texture);
-               R_Mesh_State(&mstate);
-               GL_Color(fogcolor[0] * r_colorscale, fogcolor[1] * r_colorscale, fogcolor[2] * r_colorscale, ent->alpha * fog);
-               R_Mesh_GetSpace(numverts);
-               ZymoticTransformVerts(numverts, varray_vertex3f, ent->model->zymdata_vertbonecounts, ent->model->zymdata_verts);
-               R_Mesh_Draw(numverts, numtriangles, elements);
-               c_alias_polys += numtriangles;
-       }
-}
-
-void R_Model_Zymotic_Draw(entity_render_t *ent)
-{
-       int i;
-
-       if (ent->alpha < (1.0f / 64.0f))
-               return; // basically completely transparent
-
-       c_models++;
-
-       for (i = 0;i < ent->model->zymnum_shaders;i++)
-       {
-               if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(ent->model->zymdata_textures[i]))
-                       R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i);
-               else
-                       R_DrawZymoticModelMeshCallback(ent, i);
-       }
-}
-
-void R_Model_Zymotic_DrawFakeShadow(entity_render_t *ent)
-{
-       // FIXME
-}
-
-void R_Model_Zymotic_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, float lightradius2, float lightdistbias, float lightsubtract, float *lightcolor)
-{
-       // FIXME
-}
-
-void R_Model_Zymotic_DrawOntoLight(entity_render_t *ent)
-{
-       // FIXME
-}
-