-void ZymoticCalcNormals(int vertcount, float *vertex, float *normals, int shadercount, int *renderlist)
-{
- int a, b, c, d;
- float *out, v1[3], v2[3], normal[3], s;
- int *u;
- // clear normals
- memset(normals, 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] = vertex[a+0] - vertex[b+0];
- v1[1] = vertex[a+1] - vertex[b+1];
- v1[2] = vertex[a+2] - vertex[b+2];
- v2[0] = vertex[c+0] - vertex[b+0];
- v2[1] = vertex[c+1] - vertex[b+1];
- v2[2] = vertex[c+2] - vertex[b+2];
- CrossProduct(v1, v2, normal);
- VectorNormalizeFast(normal);
- // add surface normal to vertices
- a = renderlist[0] * 3;
- normals[a+0] += normal[0];
- normals[a+1] += normal[1];
- normals[a+2] += normal[2];
- aliasvertusage[renderlist[0]]++;
- a = renderlist[1] * 3;
- normals[a+0] += normal[0];
- normals[a+1] += normal[1];
- normals[a+2] += normal[2];
- aliasvertusage[renderlist[1]]++;
- a = renderlist[2] * 3;
- normals[a+0] += normal[0];
- normals[a+1] += normal[1];
- normals[a+2] += normal[2];
- aliasvertusage[renderlist[2]]++;
- renderlist += 3;
- }
- }
- // FIXME: precalc this
- // average surface normals
- out = normals;
- 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;
- R_Mesh_ResizeCheck(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);
- ZymoticTransformVerts(numverts, varray_vertex, ent->model->zymdata_vertbonecounts, ent->model->zymdata_verts);
- ZymoticCalcNormals(numverts, varray_vertex, aliasvert_normals, ent->model->zymnum_shaders, ent->model->zymdata_renderlist);
- memcpy(varray_texcoord[0], ent->model->zymdata_texcoords, ent->model->zymnum_verts * sizeof(float[4]));
- GL_UseColorArray();
- R_LightModel(ent, numverts, varray_vertex, aliasvert_normals, varray_color, 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_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
-}