cvar_t mod_q3bsp_curves_collisions = {0, "mod_q3bsp_curves_collisions", "1", "enables collisions with curves (SLOW)"};
cvar_t mod_q3bsp_optimizedtraceline = {0, "mod_q3bsp_optimizedtraceline", "1", "whether to use optimized traceline code for line traces (as opposed to tracebox code)"};
cvar_t mod_q3bsp_debugtracebrush = {0, "mod_q3bsp_debugtracebrush", "0", "selects different tracebrush bsp recursion algorithms (for debugging purposes only)"};
+cvar_t mod_q3bsp_lightmapmergepower = {CVAR_SAVE, "mod_q3bsp_lightmapmergepower", "5", "merges the quake3 128x128 lightmap textures into larger lightmap group textures to speed up rendering, 1 = 256x256, 2 = 512x512, 3 = 1024x1024, 4 = 2048x2048, 5 = 4096x4096, ..."};
static texture_t mod_q1bsp_texture_solid;
static texture_t mod_q1bsp_texture_sky;
Cvar_RegisterVariable(&mod_q3bsp_curves_collisions);
Cvar_RegisterVariable(&mod_q3bsp_optimizedtraceline);
Cvar_RegisterVariable(&mod_q3bsp_debugtracebrush);
+ Cvar_RegisterVariable(&mod_q3bsp_lightmapmergepower);
memset(&mod_q1bsp_texture_solid, 0, sizeof(mod_q1bsp_texture_solid));
strlcpy(mod_q1bsp_texture_solid.name, "solid" , sizeof(mod_q1bsp_texture_solid.name));
}
}
-static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
+static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump)
{
q3dlightmap_t *in;
- rtexture_t **out;
- int i, count;
+ int i, j, count, power, power2, mask, endlightmap;
unsigned char *c;
if (!l->filelen)
if (l->filelen % sizeof(*in))
Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
- out = (rtexture_t **)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
-
- loadmodel->brushq3.data_lightmaps = out;
- loadmodel->brushq3.num_lightmaps = count;
-
- // deluxemapped q3bsp files have an even number of lightmaps, and surfaces
- // always index even numbered ones (0, 2, 4, ...), the odd numbered
- // lightmaps are the deluxemaps (light direction textures), so if we
- // encounter any odd numbered lightmaps it is not a deluxemapped bsp, it
- // is also not a deluxemapped bsp if it has an odd number of lightmaps or
- // less than 2
- loadmodel->brushq3.deluxemapping = true;
- loadmodel->brushq3.deluxemapping_modelspace = true;
- if (count < 2 || (count & 1))
+
+ // now check the surfaces to see if any of them index an odd numbered
+ // lightmap, if so this is not a deluxemapped bsp file
+ //
+ // also check what lightmaps are actually used, because q3map2 sometimes
+ // (always?) makes an unused one at the end, which
+ // q3map2 sometimes (or always?) makes a second blank lightmap for no
+ // reason when only one lightmap is used, which can throw off the
+ // deluxemapping detection method, so check 2-lightmap bsp's specifically
+ // to see if the second lightmap is blank, if so it is not deluxemapped.
+ endlightmap = 0;
+ if (loadmodel->brushq3.deluxemapping)
+ {
+ int facecount = faceslump->filelen / sizeof(q3dface_t);
+ q3dface_t *faces = (q3dface_t *)(mod_base + faceslump->fileofs);
+ for (i = 0;i < facecount;i++)
+ {
+ j = LittleLong(faces[i].lightmapindex);
+ if (j >= 0)
+ {
+ endlightmap = max(endlightmap, j + 1);
+ if ((j & 1) || j + 1 >= count)
+ {
+ loadmodel->brushq3.deluxemapping = false;
+ break;
+ }
+ }
+ }
+ }
+ if (endlightmap < 2 || (endlightmap & 1))
loadmodel->brushq3.deluxemapping = false;
// q3map2 sometimes (or always?) makes a second blank lightmap for no
// reason when only one lightmap is used, which can throw off the
// deluxemapping detection method, so check 2-lightmap bsp's specifically
// to see if the second lightmap is blank, if so it is not deluxemapped.
- if (count == 2)
+ if (endlightmap == 1 && count == 2)
{
- c = in[count - 1].rgb;
+ c = in[1].rgb;
for (i = 0;i < 128*128*3;i++)
if (c[i])
break;
}
}
- // further deluxemapping detection is done in Mod_Q3BSP_LoadFaces
+ Con_DPrintf("%s is %sdeluxemapped\n", loadmodel->name, loadmodel->brushq3.deluxemapping ? "" : "not ");
- for (i = 0;i < count;i++, in++, out++)
- *out = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), 128, 128, in->rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
+ // figure out what the most reasonable merge power is within limits
+ loadmodel->brushq3.num_lightmapmergepower = 0;
+ for (power = 1;power <= mod_q3bsp_lightmapmergepower.integer && (1 << power) <= gl_max_texture_size && (1 << (power * 2)) < 4 * (count >> loadmodel->brushq3.deluxemapping);power++)
+ loadmodel->brushq3.num_lightmapmergepower = power;
+ loadmodel->brushq3.num_lightmapmerge = 1 << loadmodel->brushq3.num_lightmapmergepower;
+
+ loadmodel->brushq3.num_lightmaps = ((count >> loadmodel->brushq3.deluxemapping) + (1 << (loadmodel->brushq3.num_lightmapmergepower * 2)) - 1) >> (loadmodel->brushq3.num_lightmapmergepower * 2);
+ loadmodel->brushq3.data_lightmaps = (rtexture_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brushq3.num_lightmaps * sizeof(rtexture_t *));
+ if (loadmodel->brushq3.deluxemapping)
+ loadmodel->brushq3.data_deluxemaps = (rtexture_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brushq3.num_lightmaps * sizeof(rtexture_t *));
+
+ j = 128 << loadmodel->brushq3.num_lightmapmergepower;
+ if (loadmodel->brushq3.data_lightmaps)
+ for (i = 0;i < loadmodel->brushq3.num_lightmaps;i++)
+ loadmodel->brushq3.data_lightmaps[i] = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), j, j, NULL, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
+
+ if (loadmodel->brushq3.data_deluxemaps)
+ for (i = 0;i < loadmodel->brushq3.num_lightmaps;i++)
+ loadmodel->brushq3.data_deluxemaps[i] = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%04i", i), j, j, NULL, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
+
+ power = loadmodel->brushq3.num_lightmapmergepower;
+ power2 = power * 2;
+ mask = (1 << power) - 1;
+ for (i = 0;i < count;i++)
+ {
+ j = i >> loadmodel->brushq3.deluxemapping;
+ if (loadmodel->brushq3.deluxemapping && (i & 1))
+ R_UpdateTexture(loadmodel->brushq3.data_deluxemaps[j >> power2], in[i].rgb, (j & mask) * 128, ((j >> power) & mask) * 128, 128, 128);
+ else
+ R_UpdateTexture(loadmodel->brushq3.data_lightmaps [j >> power2], in[i].rgb, (j & mask) * 128, ((j >> power) & mask) * 128, 128, 128);
+ }
}
static void Mod_Q3BSP_LoadFaces(lump_t *l)
q3dface_t *in, *oldin;
msurface_t *out, *oldout;
int i, oldi, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xtess, ytess, finalvertices, finaltriangles, firstvertex, firstelement, type, oldnumtriangles, oldnumtriangles2, meshvertices, meshtriangles, numvertices, numtriangles;
+ float lightmaptcbase[2], lightmaptcscale;
//int *originalelement3i;
//int *originalneighbor3i;
float *originalvertex3f;
loadmodel->data_surfaces = out;
loadmodel->num_surfaces = count;
- // now that we have surfaces to look at, see if any of them index an odd numbered lightmap, if so this is not a deluxemapped bsp file
- if (loadmodel->brushq3.deluxemapping)
- {
- for (i = 0;i < count;i++)
- {
- n = LittleLong(in[i].lightmapindex);
- if (n >= 0 && ((n & 1) || n + 1 >= loadmodel->brushq3.num_lightmaps))
- {
- loadmodel->brushq3.deluxemapping = false;
- break;
- }
- }
- }
- Con_DPrintf("%s is %sdeluxemapped\n", loadmodel->name, loadmodel->brushq3.deluxemapping ? "" : "not ");
-
i = 0;
oldi = i;
oldin = in;
out->effect = NULL;
else
out->effect = loadmodel->brushq3.data_effects + n;
+
+ out->lightmaptexture = NULL;
+ out->deluxemaptexture = r_texture_blanknormalmap;
n = LittleLong(in->lightmapindex);
- if (n >= loadmodel->brushq3.num_lightmaps)
+ if (n < 0)
+ n = -1;
+ else if (n >= (loadmodel->brushq3.num_lightmaps << (loadmodel->brushq3.num_lightmapmergepower * 2)))
{
Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_lightmaps);
n = -1;
}
- else if (n < 0)
- n = -1;
- if (n == -1)
- {
- out->lightmaptexture = NULL;
- out->deluxemaptexture = r_texture_blanknormalmap;
- }
else
{
- out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n];
+ out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n >> (loadmodel->brushq3.num_lightmapmergepower * 2 + loadmodel->brushq3.deluxemapping)];
if (loadmodel->brushq3.deluxemapping)
- out->deluxemaptexture = loadmodel->brushq3.data_lightmaps[n+1];
- else
- out->deluxemaptexture = r_texture_blanknormalmap;
+ out->deluxemaptexture = loadmodel->brushq3.data_deluxemaps[n >> (loadmodel->brushq3.num_lightmapmergepower * 2 + loadmodel->brushq3.deluxemapping)];
}
firstvertex = LittleLong(in->firstvertex);
{
case Q3FACETYPE_POLYGON:
case Q3FACETYPE_MESH:
- // no processing necessary
+ // no processing necessary, except for lightmap merging
for (j = 0;j < out->num_vertices;j++)
{
(loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex)[j * 3 + 0] = loadmodel->brushq3.data_vertex3f[(firstvertex + j) * 3 + 0];
VectorClear(out->maxs);
if (out->num_vertices)
{
+ int lightmapindex = LittleLong(in->lightmapindex);
+ if (lightmapindex >= 0)
+ {
+ lightmapindex >>= loadmodel->brushq3.deluxemapping;
+ lightmaptcscale = 1.0f / loadmodel->brushq3.num_lightmapmerge;
+ lightmaptcbase[0] = ((lightmapindex ) & (loadmodel->brushq3.num_lightmapmerge - 1)) * lightmaptcscale;
+ lightmaptcbase[1] = ((lightmapindex >> loadmodel->brushq3.num_lightmapmergepower) & (loadmodel->brushq3.num_lightmapmerge - 1)) * lightmaptcscale;
+ // modify the lightmap texcoords to match this region of the merged lightmap
+ for (j = 0, v = loadmodel->surfmesh.data_texcoordlightmap2f + 2 * out->num_firstvertex;j < out->num_vertices;j++, v += 2)
+ {
+ v[0] = v[0] * lightmaptcscale + lightmaptcbase[0];
+ v[1] = v[1] * lightmaptcscale + lightmaptcbase[1];
+ }
+ }
VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->mins);
VectorCopy((loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), out->maxs);
for (j = 1, v = (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex) + 3;j < out->num_vertices;j++, v += 3)
Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
- Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS]);
+ Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS], &header->lumps[Q3LUMP_FACES]);
Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
projects / xonotic / darkplaces.git / commitdiff