5 void GL_Models_Init(void)
9 aliaslayer_t r_aliasnoskinlayers[2] = {{ALIASLAYER_DIFFUSE, NULL, NULL}, {ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS, NULL, NULL}};
10 aliasskin_t r_aliasnoskin = {0, 2, r_aliasnoskinlayers};
11 aliasskin_t *R_FetchAliasSkin(const entity_render_t *ent, const aliasmesh_t *mesh)
13 model_t *model = ent->model;
17 if ((unsigned int)s >= (unsigned int)model->numskins)
19 if (model->skinscenes[s].framecount > 1)
20 s = model->skinscenes[s].firstframe + (int) (cl.time * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
22 s = model->skinscenes[s].firstframe;
23 if (s >= mesh->num_skins)
25 return mesh->data_skins + s;
29 r_aliasnoskinlayers[0].texture = r_notexture;
30 return &r_aliasnoskin;
34 void R_DrawAliasModelCallback (const void *calldata1, int calldata2)
36 int c, fullbright, layernum, firstpass, generatenormals = true;
37 float tint[3], fog, ifog, colorscale, ambientcolor4f[4], diffusecolor[3], diffusenormal[3];
38 float *vertex3f, *normal3f;
42 const entity_render_t *ent = calldata1;
43 aliasmesh_t *mesh = ent->model->alias.aliasdata_meshes + calldata2;
47 R_Mesh_Matrix(&ent->matrix);
52 VectorSubtract(ent->origin, r_vieworigin, diff);
53 fog = DotProduct(diff,diff);
56 fog = exp(fogdensity/fog);
61 // fog method: darken, additive fog
62 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
63 // 2. render fog as additive
68 skin = R_FetchAliasSkin(ent, mesh);
70 if (ent->frameblend[0].frame == 0 && ent->frameblend[0].lerp == 1)
72 vertex3f = mesh->data_basevertex3f;
73 normal3f = mesh->data_basenormal3f;
77 vertex3f = varray_vertex3f;
78 Mod_Alias_GetMesh_Vertex3f(ent->model, ent->frameblend, mesh, vertex3f);
81 for (layernum = 0, layer = skin->data_layers;layernum < skin->num_layers;layernum++, layer++)
83 if (!(layer->flags & ALIASLAYER_FORCEDRAW_IF_FIRSTPASS) || !firstpass)
85 if (((layer->flags & ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED) && ent->colormap < 0)
86 || ((layer->flags & ALIASLAYER_NODRAW_IF_COLORMAPPED) && ent->colormap >= 0)
87 || ((layer->flags & ALIASLAYER_FOG) && !fogenabled)
88 || (layer->flags & ALIASLAYER_SPECULAR)
89 || ((layer->flags & ALIASLAYER_DIFFUSE) && (r_shadow_realtime_world.integer && r_shadow_realtime_world_lightmaps.value <= 0 && r_ambient.integer <= 0 && r_fullbright.integer == 0 && !(ent->effects & EF_FULLBRIGHT))))
92 if (!firstpass || (ent->effects & EF_ADDITIVE))
94 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
97 else if ((skin->flags & ALIASSKIN_TRANSPARENT) || ent->alpha != 1.0)
99 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
104 GL_BlendFunc(GL_ONE, GL_ZERO);
111 memset(&m, 0, sizeof(m));
112 if (layer->texture != NULL)
114 m.tex[0] = R_GetTexture(layer->texture);
115 m.pointer_texcoord[0] = mesh->data_texcoord2f;
116 if (gl_combine.integer && layer->flags & (ALIASLAYER_DIFFUSE | ALIASLAYER_SPECULAR))
119 m.texrgbscale[0] = 4;
122 m.pointer_vertex = vertex3f;
124 c_alias_polys += mesh->num_triangles;
125 if (layer->flags & ALIASLAYER_FOG)
128 GL_Color(fogcolor[0] * colorscale, fogcolor[1] * colorscale, fogcolor[2] * colorscale, ent->alpha);
132 fullbright = !(layer->flags & ALIASLAYER_DIFFUSE) || r_fullbright.integer || (ent->effects & EF_FULLBRIGHT);
133 if (layer->flags & (ALIASLAYER_COLORMAP_PANTS | ALIASLAYER_COLORMAP_SHIRT))
135 // 128-224 are backwards ranges
136 if (layer->flags & ALIASLAYER_COLORMAP_PANTS)
137 c = (ent->colormap & 0xF) << 4;
138 else //if (layer->flags & ALIASLAYER_COLORMAP_SHIRT)
139 c = (ent->colormap & 0xF0);
140 c += (c >= 128 && c < 224) ? 4 : 12;
141 bcolor = (qbyte *) (&palette_complete[c]);
142 fullbright = fullbright || c >= 224;
143 VectorScale(bcolor, (1.0f / 255.0f), tint);
146 tint[0] = tint[1] = tint[2] = 1;
147 if (r_shadow_realtime_world.integer && !fullbright)
148 VectorScale(tint, r_shadow_realtime_world_lightmaps.value, tint);
151 GL_Color(tint[0] * colorscale, tint[1] * colorscale, tint[2] * colorscale, ent->alpha);
154 if (R_LightModel(ambientcolor4f, diffusecolor, diffusenormal, ent, tint[0] * colorscale, tint[1] * colorscale, tint[2] * colorscale, ent->alpha, false))
156 m.pointer_color = varray_color4f;
157 if (normal3f == NULL)
159 normal3f = varray_normal3f;
160 Mod_BuildNormals(mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_element3i, normal3f);
162 R_LightModel_CalcVertexColors(ambientcolor4f, diffusecolor, diffusenormal, mesh->num_vertices, vertex3f, normal3f, varray_color4f);
165 GL_Color(ambientcolor4f[0], ambientcolor4f[1], ambientcolor4f[2], ambientcolor4f[3]);
169 GL_LockArrays(0, mesh->num_vertices);
170 R_Mesh_Draw(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
175 void R_Model_Alias_Draw(entity_render_t *ent)
179 if (ent->alpha < (1.0f / 64.0f))
180 return; // basically completely transparent
184 for (meshnum = 0, mesh = ent->model->alias.aliasdata_meshes;meshnum < ent->model->alias.aliasnum_meshes;meshnum++, mesh++)
186 if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchAliasSkin(ent, mesh)->flags & ALIASSKIN_TRANSPARENT)
187 R_MeshQueue_AddTransparent(ent->origin, R_DrawAliasModelCallback, ent, meshnum);
189 R_DrawAliasModelCallback(ent, meshnum);
193 void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius)
198 float projectdistance, *vertex3f;
199 if (ent->effects & EF_ADDITIVE || ent->alpha < 1)
201 projectdistance = lightradius + ent->model->radius;// - sqrt(DotProduct(relativelightorigin, relativelightorigin));
202 if (projectdistance > 0.1)
204 R_Mesh_Matrix(&ent->matrix);
205 for (meshnum = 0, mesh = ent->model->alias.aliasdata_meshes;meshnum < ent->model->alias.aliasnum_meshes;meshnum++, mesh++)
207 skin = R_FetchAliasSkin(ent, mesh);
208 if (skin->flags & ALIASSKIN_TRANSPARENT)
210 if (ent->frameblend[0].frame == 0 && ent->frameblend[0].lerp == 1)
211 vertex3f = mesh->data_basevertex3f;
214 vertex3f = varray_vertex3f;
215 Mod_Alias_GetMesh_Vertex3f(ent->model, ent->frameblend, mesh, vertex3f);
217 R_Shadow_VolumeFromSphere(mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_element3i, mesh->data_neighbor3i, relativelightorigin, projectdistance, lightradius);
222 void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap)
224 int c, meshnum, layernum;
225 float fog, ifog, lightcolor2[3];
226 float *vertex3f, *svector3f, *tvector3f, *normal3f;
233 if (ent->effects & (EF_ADDITIVE | EF_FULLBRIGHT) || ent->alpha < 1)
236 R_Mesh_Matrix(&ent->matrix);
241 VectorSubtract(ent->origin, r_vieworigin, diff);
242 fog = DotProduct(diff,diff);
245 fog = exp(fogdensity/fog);
250 // fog method: darken, additive fog
251 // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
252 // 2. render fog as additive
256 for (meshnum = 0, mesh = ent->model->alias.aliasdata_meshes;meshnum < ent->model->alias.aliasnum_meshes;meshnum++, mesh++)
258 skin = R_FetchAliasSkin(ent, mesh);
259 if (skin->flags & ALIASSKIN_TRANSPARENT)
261 if (ent->frameblend[0].frame == 0 && ent->frameblend[0].lerp == 1)
263 vertex3f = mesh->data_basevertex3f;
264 svector3f = mesh->data_basesvector3f;
265 tvector3f = mesh->data_basetvector3f;
266 normal3f = mesh->data_basenormal3f;
270 vertex3f = varray_vertex3f;
271 svector3f = varray_svector3f;
272 tvector3f = varray_tvector3f;
273 normal3f = varray_normal3f;
274 Mod_Alias_GetMesh_Vertex3f(ent->model, ent->frameblend, mesh, vertex3f);
275 Mod_BuildTextureVectorsAndNormals(mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_texcoord2f, mesh->data_element3i, svector3f, tvector3f, normal3f);
277 for (layernum = 0, layer = skin->data_layers;layernum < skin->num_layers;layernum++, layer++)
279 if (!(layer->flags & (ALIASLAYER_DIFFUSE | ALIASLAYER_SPECULAR))
280 || ((layer->flags & ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED) && ent->colormap < 0)
281 || ((layer->flags & ALIASLAYER_NODRAW_IF_COLORMAPPED) && ent->colormap >= 0))
283 lightcolor2[0] = lightcolor[0] * ifog;
284 lightcolor2[1] = lightcolor[1] * ifog;
285 lightcolor2[2] = lightcolor[2] * ifog;
286 if (layer->flags & ALIASLAYER_SPECULAR)
288 c_alias_polys += mesh->num_triangles;
289 R_Shadow_RenderLighting(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertex3f, svector3f, tvector3f, normal3f, mesh->data_texcoord2f, relativelightorigin, relativeeyeorigin, lightcolor2, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, layer->texture, layer->nmap, layer->texture, lightcubemap, LIGHTING_SPECULAR);
291 else if (layer->flags & ALIASLAYER_DIFFUSE)
293 if (layer->flags & ALIASLAYER_COLORMAP_PANTS)
295 // 128-224 are backwards ranges
296 c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
297 // fullbright passes were already taken care of, so skip them in realtime lighting passes
300 bcolor = (qbyte *) (&palette_complete[c]);
301 lightcolor2[0] *= bcolor[0] * (1.0f / 255.0f);
302 lightcolor2[1] *= bcolor[1] * (1.0f / 255.0f);
303 lightcolor2[2] *= bcolor[2] * (1.0f / 255.0f);
305 else if (layer->flags & ALIASLAYER_COLORMAP_SHIRT)
307 // 128-224 are backwards ranges
308 c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
309 // fullbright passes were already taken care of, so skip them in realtime lighting passes
312 bcolor = (qbyte *) (&palette_complete[c]);
313 lightcolor2[0] *= bcolor[0] * (1.0f / 255.0f);
314 lightcolor2[1] *= bcolor[1] * (1.0f / 255.0f);
315 lightcolor2[2] *= bcolor[2] * (1.0f / 255.0f);
317 c_alias_polys += mesh->num_triangles;
318 R_Shadow_RenderLighting(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertex3f, svector3f, tvector3f, normal3f, mesh->data_texcoord2f, relativelightorigin, relativeeyeorigin, lightcolor2, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, layer->texture, layer->nmap, layer->texture, lightcubemap, LIGHTING_DIFFUSE);