+++ /dev/null
-/*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
-
-This file is part of GtkRadiant.
-
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-GtkRadiant is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include "qrad.h"
-
-vec3_t texture_reflectivity[MAX_MAP_TEXINFO];
-
-/*
-===================================================================
-
- TEXTURE LIGHT VALUES
-
-===================================================================
-*/
-
-/*
-======================
-CalcTextureReflectivity_Quake2
-======================
-*/
-void CalcTextureReflectivity_Quake2 (void)
-{
- int i;
- int j, k, texels;
- int color[3];
- int texel;
- byte *palette;
- char path[1024];
- float r, scale;
- miptex_t *mt;
-
- sprintf (path, "%spics/colormap.pcx", gamedir);
-
- // get the game palette
- Load256Image (path, NULL, &palette, NULL, NULL);
-
- // allways set index 0 even if no textures
- texture_reflectivity[0][0] = 0.5;
- texture_reflectivity[0][1] = 0.5;
- texture_reflectivity[0][2] = 0.5;
-
- for (i=0 ; i<numtexinfo ; i++)
- {
- // see if an earlier texinfo allready got the value
- for (j=0 ; j<i ; j++)
- {
- if (!strcmp (texinfo[i].texture, texinfo[j].texture))
- {
- VectorCopy (texture_reflectivity[j], texture_reflectivity[i]);
- break;
- }
- }
- if (j != i)
- continue;
-
- // load the wal file
- sprintf (path, "%stextures/%s.wal", gamedir, texinfo[i].texture);
- if (TryLoadFile (path, (void **)&mt) == -1)
- {
- Sys_Printf ("Couldn't load %s\n", path);
- texture_reflectivity[i][0] = 0.5;
- texture_reflectivity[i][1] = 0.5;
- texture_reflectivity[i][2] = 0.5;
- continue;
- }
- texels = LittleLong(mt->width)*LittleLong(mt->height);
- color[0] = color[1] = color[2] = 0;
-
- for (j=0 ; j<texels ; j++)
- {
- texel = ((byte *)mt)[LittleLong(mt->offsets[0]) + j];
- for (k=0 ; k<3 ; k++)
- color[k] += palette[texel*3+k];
- }
-
- for (j=0 ; j<3 ; j++)
- {
- r = color[j]/texels/255.0;
- texture_reflectivity[i][j] = r;
- }
- // scale the reflectivity up, because the textures are
- // so dim
- scale = ColorNormalize (texture_reflectivity[i],
- texture_reflectivity[i]);
- if (scale < 0.5)
- {
- scale *= 2;
- VectorScale (texture_reflectivity[i], scale, texture_reflectivity[i]);
- }
-#if 0
-texture_reflectivity[i][0] = 0.5;
-texture_reflectivity[i][1] = 0.5;
-texture_reflectivity[i][2] = 0.5;
-#endif
- }
-}
-
-/*
-======================
-CalcTextureReflectivity_Heretic2
-======================
-*/
-void CalcTextureReflectivity_Heretic2 (void)
-{
- int i;
- int j, texels;
- int color[3];
- int texel;
- char path[1024];
- float r;
- miptex_m8_t *mt;
- miptex_m32_t *mt32;
- byte *pos;
-
-
- // allways set index 0 even if no textures
- texture_reflectivity[0][0] = 0.5;
- texture_reflectivity[0][1] = 0.5;
- texture_reflectivity[0][2] = 0.5;
-
- for (i=0 ; i<numtexinfo ; i++)
- {
- // see if an earlier texinfo allready got the value
- for (j=0 ; j<i ; j++)
- {
- if (!strcmp (texinfo[i].texture, texinfo[j].texture))
- {
- VectorCopy (texture_reflectivity[j], texture_reflectivity[i]);
- break;
- }
- }
- if (j != i)
- continue;
-
- // load the wal file
-
- sprintf (path, "%stextures/%s.m32", gamedir, texinfo[i].texture);
- if (TryLoadFile (path, (void **)&mt32) == -1)
- {
- sprintf (path, "%stextures/%s.m8", gamedir, texinfo[i].texture);
- if (TryLoadFile (path, (void **)&mt) == -1)
- {
- Sys_Printf ("Couldn't load %s\n", path);
- texture_reflectivity[i][0] = 0.5;
- texture_reflectivity[i][1] = 0.5;
- texture_reflectivity[i][2] = 0.5;
- continue;
- }
- texels = LittleLong(mt->width[0])*LittleLong(mt->height[0]);
- color[0] = color[1] = color[2] = 0;
-
- for (j=0 ; j<texels ; j++)
- {
- texel = ((byte *)mt)[LittleLong(mt->offsets[0]) + j];
- color[0] += mt->palette[texel].r;
- color[1] += mt->palette[texel].g;
- color[2] += mt->palette[texel].b;
- }
-
- free(mt);
- }
- else
- {
- texels = LittleLong(mt32->width[0])*LittleLong(mt32->height[0]);
- color[0] = color[1] = color[2] = 0;
-
- for (j=0 ; j<texels ; j++)
- {
- pos = (byte *)mt32 + mt32->offsets[0] + (j<<2);
- color[0] += *pos++; // r
- color[1] += *pos++; // g
- color[2] += *pos++; // b
- }
-
- free(mt32);
- }
-
-
- for (j=0 ; j<3 ; j++)
- {
- r = color[j]/((float) texels*255.0);
- texture_reflectivity[i][j] = r;
- }
- }
-}
-
-/*
-=======================================================================
-
-MAKE FACES
-
-=======================================================================
-*/
-
-/*
-=============
-WindingFromFace
-=============
-*/
-winding_t *WindingFromFace (dface_t *f)
-{
- int i;
- int se;
- dvertex_t *dv;
- int v;
- winding_t *w;
-
- w = AllocWinding (f->numedges);
- w->numpoints = f->numedges;
-
- for (i=0 ; i<f->numedges ; i++)
- {
- se = dsurfedges[f->firstedge + i];
- if (se < 0)
- v = dedges[-se].v[1];
- else
- v = dedges[se].v[0];
-
- dv = &dvertexes[v];
- VectorCopy (dv->point, w->p[i]);
- }
-
- RemoveColinearPoints (w);
-
- return w;
-}
-
-/*
-=============
-BaseLightForFace
-=============
-*/
-void BaseLightForFace (dface_t *f, vec3_t color)
-{
- texinfo_t *tx;
-
- //
- // check for light emited by texture
- //
- tx = &texinfo[f->texinfo];
- if (!(tx->flags & SURF_LIGHT) || tx->value == 0)
- {
- VectorClear (color);
- return;
- }
-
- VectorScale (texture_reflectivity[f->texinfo], tx->value, color);
-}
-
-qboolean IsSky (dface_t *f)
-{
- texinfo_t *tx;
-
- tx = &texinfo[f->texinfo];
- if (tx->flags & SURF_SKY)
- return true;
- return false;
-}
-
-/*
-=============
-MakePatchForFace
-=============
-*/
-float totalarea;
-void MakePatchForFace (int fn, winding_t *w)
-{
- dface_t *f;
- float area;
- patch_t *patch;
- dplane_t *pl;
- int i;
- vec3_t color;
- dleaf_t *leaf;
-
- f = &dfaces[fn];
-
- area = WindingArea (w);
- totalarea += area;
-
- patch = &patches[num_patches];
- if (num_patches == MAX_PATCHES)
- Error ("num_patches == MAX_PATCHES");
- patch->next = face_patches[fn];
- face_patches[fn] = patch;
-
- patch->winding = w;
-
- if (f->side)
- patch->plane = &backplanes[f->planenum];
- else
- patch->plane = &dplanes[f->planenum];
- if (face_offset[fn][0] || face_offset[fn][1] || face_offset[fn][2] )
- { // origin offset faces must create new planes
- if (numplanes + fakeplanes >= MAX_MAP_PLANES)
- Error ("numplanes + fakeplanes >= MAX_MAP_PLANES");
- pl = &dplanes[numplanes + fakeplanes];
- fakeplanes++;
-
- *pl = *(patch->plane);
- pl->dist += DotProduct (face_offset[fn], pl->normal);
- patch->plane = pl;
- }
-
- WindingCenter (w, patch->origin);
- VectorAdd (patch->origin, patch->plane->normal, patch->origin);
- leaf = Rad_PointInLeaf(patch->origin);
- patch->cluster = leaf->cluster;
- if (patch->cluster == -1)
- Sys_FPrintf( SYS_VRB, "patch->cluster == -1\n");
-
- patch->area = area;
- if (patch->area <= 1)
- patch->area = 1;
- patch->sky = IsSky (f);
-
- VectorCopy (texture_reflectivity[f->texinfo], patch->reflectivity);
-
- // non-bmodel patches can emit light
- if (fn < dmodels[0].numfaces)
- {
- BaseLightForFace (f, patch->baselight);
-
- ColorNormalize (patch->reflectivity, color);
-
- for (i=0 ; i<3 ; i++)
- patch->baselight[i] *= color[i];
-
- VectorCopy (patch->baselight, patch->totallight);
- }
- num_patches++;
-}
-
-
-entity_t *EntityForModel (int modnum)
-{
- int i;
- char *s;
- char name[16];
-
- sprintf (name, "*%i", modnum);
- // search the entities for one using modnum
- for (i=0 ; i<num_entities ; i++)
- {
- s = ValueForKey (&entities[i], "model");
- if (!strcmp (s, name))
- return &entities[i];
- }
-
- return &entities[0];
-}
-
-/*
-=============
-MakePatches
-=============
-*/
-void MakePatches (void)
-{
- int i, j, k;
- dface_t *f;
- int fn;
- winding_t *w;
- dmodel_t *mod;
- vec3_t origin;
- entity_t *ent;
-
- Sys_FPrintf( SYS_VRB, "%i faces\n", numfaces);
-
- for (i=0 ; i<nummodels ; i++)
- {
- mod = &dmodels[i];
- ent = EntityForModel (i);
- // bmodels with origin brushes need to be offset into their
- // in-use position
- GetVectorForKey (ent, "origin", origin);
-//VectorCopy (vec3_origin, origin);
-
- for (j=0 ; j<mod->numfaces ; j++)
- {
- fn = mod->firstface + j;
- face_entity[fn] = ent;
- VectorCopy (origin, face_offset[fn]);
- f = &dfaces[fn];
- w = WindingFromFace (f);
- for (k=0 ; k<w->numpoints ; k++)
- {
- VectorAdd (w->p[k], origin, w->p[k]);
- }
- MakePatchForFace (fn, w);
- }
- }
-
- Sys_FPrintf( SYS_VRB, "%i sqaure feet\n", (int)(totalarea/64));
-}
-
-/*
-=======================================================================
-
-SUBDIVIDE
-
-=======================================================================
-*/
-
-void FinishSplit (patch_t *patch, patch_t *newp)
-{
- dleaf_t *leaf;
-
- VectorCopy (patch->baselight, newp->baselight);
- VectorCopy (patch->totallight, newp->totallight);
- VectorCopy (patch->reflectivity, newp->reflectivity);
- newp->plane = patch->plane;
- newp->sky = patch->sky;
-
- patch->area = WindingArea (patch->winding);
- newp->area = WindingArea (newp->winding);
-
- if (patch->area <= 1)
- patch->area = 1;
- if (newp->area <= 1)
- newp->area = 1;
-
- WindingCenter (patch->winding, patch->origin);
- VectorAdd (patch->origin, patch->plane->normal, patch->origin);
- leaf = Rad_PointInLeaf(patch->origin);
- patch->cluster = leaf->cluster;
- if (patch->cluster == -1)
- Sys_FPrintf( SYS_VRB, "patch->cluster == -1\n");
-
- WindingCenter (newp->winding, newp->origin);
- VectorAdd (newp->origin, newp->plane->normal, newp->origin);
- leaf = Rad_PointInLeaf(newp->origin);
- newp->cluster = leaf->cluster;
- if (newp->cluster == -1)
- Sys_FPrintf( SYS_VRB, "patch->cluster == -1\n");
-}
-
-/*
-=============
-SubdividePatch
-
-Chops the patch only if its local bounds exceed the max size
-=============
-*/
-void SubdividePatch (patch_t *patch)
-{
- winding_t *w, *o1, *o2;
- vec3_t mins, maxs, total;
- vec3_t split;
- vec_t dist;
- int i, j;
- vec_t v;
- patch_t *newp;
-
- w = patch->winding;
- mins[0] = mins[1] = mins[2] = 99999;
- maxs[0] = maxs[1] = maxs[2] = -99999;
- for (i=0 ; i<w->numpoints ; i++)
- {
- for (j=0 ; j<3 ; j++)
- {
- v = w->p[i][j];
- if (v < mins[j])
- mins[j] = v;
- if (v > maxs[j])
- maxs[j] = v;
- }
- }
- VectorSubtract (maxs, mins, total);
- for (i=0 ; i<3 ; i++)
- if (total[i] > (subdiv+1) )
- break;
- if (i == 3)
- {
- // no splitting needed
- return;
- }
-
- //
- // split the winding
- //
- VectorCopy (vec3_origin, split);
- split[i] = 1;
- dist = (mins[i] + maxs[i])*0.5;
- ClipWindingEpsilon (w, split, dist, ON_EPSILON, &o1, &o2);
-
- //
- // create a new patch
- //
- if (num_patches == MAX_PATCHES)
- Error ("MAX_PATCHES");
- newp = &patches[num_patches];
- num_patches++;
-
- newp->next = patch->next;
- patch->next = newp;
-
- patch->winding = o1;
- newp->winding = o2;
-
- FinishSplit (patch, newp);
-
- SubdividePatch (patch);
- SubdividePatch (newp);
-}
-
-
-/*
-=============
-DicePatch
-
-Chops the patch by a global grid
-=============
-*/
-void DicePatch (patch_t *patch)
-{
- winding_t *w, *o1, *o2;
- vec3_t mins, maxs;
- vec3_t split;
- vec_t dist;
- int i;
- patch_t *newp;
-
- w = patch->winding;
- WindingBounds (w, mins, maxs);
- for (i=0 ; i<3 ; i++)
- if (floor((mins[i]+1)/subdiv) < floor((maxs[i]-1)/subdiv))
- break;
- if (i == 3)
- {
- // no splitting needed
- return;
- }
-
- //
- // split the winding
- //
- VectorCopy (vec3_origin, split);
- split[i] = 1;
- dist = subdiv*(1+floor((mins[i]+1)/subdiv));
- ClipWindingEpsilon (w, split, dist, ON_EPSILON, &o1, &o2);
-
- //
- // create a new patch
- //
- if (num_patches == MAX_PATCHES)
- Error ("MAX_PATCHES");
- newp = &patches[num_patches];
- num_patches++;
-
- newp->next = patch->next;
- patch->next = newp;
-
- patch->winding = o1;
- newp->winding = o2;
-
- FinishSplit (patch, newp);
-
- DicePatch (patch);
- DicePatch (newp);
-}
-
-
-/*
-=============
-SubdividePatches
-=============
-*/
-void SubdividePatches (void)
-{
- int i, num;
-
- if (subdiv < 1)
- return;
-
- num = num_patches; // because the list will grow
- for (i=0 ; i<num ; i++)
- {
-// SubdividePatch (&patches[i]);
- DicePatch (&patches[i]);
- }
- Sys_FPrintf( SYS_VRB, "%i patches after subdivision\n", num_patches);
-}
-
-//=====================================================================
projects / voretournament / voretournament.git / blobdiff