- if (R_Mesh_Draw_GetBuffer(&m, false))
- {
- cl = m.colorscale;
- memcpy(m.index, mesh->index, m.numtriangles * sizeof(int[3]));
- for (i = 0, v = mesh->vertex, outv = m.vertex, outc = m.color, outst = m.texcoords[0];i < m.numverts;i++, v++, outv += 4, outc += 4, outst += 2)
- {
- softwaretransform(v->v, outv);
- outv[3] = 1;
- if (fogenabled)
- {
- VectorSubtract(outv, r_origin, diff);
- outc[0] = outc[1] = outc[2] = cl * (1 - exp(fogdensity/DotProduct(diff, diff)));
- }
- else
- outc[0] = outc[1] = outc[2] = cl;
- outc[3] = ca;
- outst[0] = v->st[0];
- outst[1] = v->st[1];
- }
- R_Mesh_Render();
- }
- }
-}
-
-static void RSurfShader_Wall_Pass_Glow(entity_render_t *ent, msurface_t *surf)
-{
- int i;
- surfvertex_t *v;
- float *outv, *outc, *outst, cl, ca, diff[3];
- surfmesh_t *mesh;
- rmeshbufferinfo_t m;
- memset(&m, 0, sizeof(m));
- m.transparent = ent->effects & EF_ADDITIVE || surf->currenttexture->fogtexture != NULL || ent->alpha != 1;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- m.tex[0] = R_GetTexture(surf->currenttexture->glowtexture);
- ca = ent->alpha;
- for (mesh = surf->mesh;mesh;mesh = mesh->chain)
- {
- m.numtriangles = mesh->numtriangles;
- m.numverts = mesh->numverts;
-
- if (R_Mesh_Draw_GetBuffer(&m, false))
- {
- cl = m.colorscale;
- memcpy(m.index, mesh->index, m.numtriangles * sizeof(int[3]));
- for (i = 0, v = mesh->vertex, outv = m.vertex, outc = m.color, outst = m.texcoords[0];i < m.numverts;i++, v++, outv += 4, outc += 4, outst += 2)
- {
- softwaretransform(v->v, outv);
- outv[3] = 1;
- if (fogenabled)
- {
- VectorSubtract(outv, r_origin, diff);
- outc[0] = outc[1] = outc[2] = cl * (1 - exp(fogdensity/DotProduct(diff, diff)));
- }
- else
- outc[0] = outc[1] = outc[2] = cl;
- outc[3] = ca;
- outst[0] = v->st[0];
- outst[1] = v->st[1];
- }
- R_Mesh_Render();
- }
- }
-}
-
-static void RSurfShader_Wall_Pass_Fog(entity_render_t *ent, msurface_t *surf)
-{
- int i;
- surfvertex_t *v;
- float *outv, *outc, *outst, cl, ca, diff[3], f;
- surfmesh_t *mesh;
- rmeshbufferinfo_t m;
- memset(&m, 0, sizeof(m));
- m.transparent = ent->effects & EF_ADDITIVE || surf->currenttexture->fogtexture != NULL || ent->alpha != 1;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- ca = ent->alpha;
- for (mesh = surf->mesh;mesh;mesh = mesh->chain)
- {
- m.numtriangles = mesh->numtriangles;
- m.numverts = mesh->numverts;
-
- if (R_Mesh_Draw_GetBuffer(&m, false))
- {
- cl = m.colorscale;
- memcpy(m.index, mesh->index, m.numtriangles * sizeof(int[3]));
- for (i = 0, v = mesh->vertex, outv = m.vertex, outc = m.color, outst = m.texcoords[0];i < m.numverts;i++, v++, outv += 4, outc += 4, outst += 2)
- {
- softwaretransform(v->v, outv);
- outv[3] = 1;
- VectorSubtract(outv, r_origin, diff);
- f = cl * exp(fogdensity/DotProduct(diff, diff));
- VectorScale(fogcolor, f, outc);
- outc[3] = ca;
- outst[0] = v->st[0];
- outst[1] = v->st[1];
- }
- R_Mesh_Render();
- }
- }
-}