1022 lines
24 KiB
C
1022 lines
24 KiB
C
// map.c
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#include "bsplib.h"
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extern bool onlyents;
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#define ScaleCorrection (1.0/128.0)
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int nummapbrushes;
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mapbrush_t mapbrushes[MAX_MAP_BRUSHES];
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int nummapbrushsides;
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side_t brushsides[MAX_MAP_SIDES];
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brush_texture_t side_brushtextures[MAX_MAP_SIDES];
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int nummapplanes;
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plane_t mapplanes[MAX_MAP_PLANES];
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#define PLANE_HASHES 1024
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plane_t *planehash[PLANE_HASHES];
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vec3_t map_mins, map_maxs;
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int g_mapversion;
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// undefine to make plane finding use linear sort
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#define USE_HASHING
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void TestExpandBrushes (void);
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int c_boxbevels;
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int c_edgebevels;
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int c_areaportals;
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int c_clipbrushes;
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/*
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=============================================================================
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PLANE FINDING
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=============================================================================
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*/
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/*
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=================
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PlaneTypeForNormal
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=================
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*/
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int PlaneTypeForNormal (vec3_t normal)
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{
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vec_t ax, ay, az;
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// NOTE: should these have an epsilon around 1.0?
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if (normal[0] == 1.0 || normal[0] == -1.0)
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return PLANE_X;
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if (normal[1] == 1.0 || normal[1] == -1.0)
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return PLANE_Y;
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if (normal[2] == 1.0 || normal[2] == -1.0)
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return PLANE_Z;
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ax = fabs(normal[0]);
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ay = fabs(normal[1]);
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az = fabs(normal[2]);
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if (ax >= ay && ax >= az)
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return PLANE_ANYX;
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if (ay >= ax && ay >= az)
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return PLANE_ANYY;
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return PLANE_ANYZ;
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}
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/*
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================
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PlaneEqual
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================
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*/
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#define NORMAL_EPSILON 0.00001
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#define DIST_EPSILON 0.01
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bool PlaneEqual (plane_t *p, vec3_t normal, vec_t dist)
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{
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#if 1
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if (
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fabs(p->normal[0] - normal[0]) < NORMAL_EPSILON
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&& fabs(p->normal[1] - normal[1]) < NORMAL_EPSILON
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&& fabs(p->normal[2] - normal[2]) < NORMAL_EPSILON
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&& fabs(p->dist - dist) < DIST_EPSILON )
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return true;
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#else
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if (p->normal[0] == normal[0]
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&& p->normal[1] == normal[1]
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&& p->normal[2] == normal[2]
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&& p->dist == dist)
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return true;
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#endif
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return false;
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}
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/*
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================
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AddPlaneToHash
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================
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*/
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void AddPlaneToHash (plane_t *p)
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{
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int hash;
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hash = (int)fabs(p->dist) / 8;
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hash &= (PLANE_HASHES-1);
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p->hash_chain = planehash[hash];
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planehash[hash] = p;
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}
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/*
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================
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CreateNewFloatPlane
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================
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*/
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int CreateNewFloatPlane (vec3_t normal, vec_t dist)
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{
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plane_t *p, temp;
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if (VectorLength(normal) < 0.5)
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Sys_Error ("FloatPlane: bad normal");
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// create a new plane
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if (nummapplanes+2 > MAX_MAP_PLANES)
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Sys_Error ("MAX_MAP_PLANES");
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p = &mapplanes[nummapplanes];
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VectorCopy (normal, p->normal);
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p->dist = dist;
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p->type = (p+1)->type = PlaneTypeForNormal (p->normal);
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VectorSubtract (vec3_origin, normal, (p+1)->normal);
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(p+1)->dist = -dist;
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nummapplanes += 2;
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// allways put axial planes facing positive first
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if (p->type < 3)
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{
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if (p->normal[0] < 0 || p->normal[1] < 0 || p->normal[2] < 0)
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{
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// flip order
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temp = *p;
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*p = *(p+1);
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*(p+1) = temp;
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AddPlaneToHash (p);
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AddPlaneToHash (p+1);
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return nummapplanes - 1;
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}
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}
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AddPlaneToHash (p);
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AddPlaneToHash (p+1);
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return nummapplanes - 2;
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}
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/*
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==============
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SnapVector
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==============
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*/
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void SnapVector (vec3_t normal)
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{
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int i;
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for (i=0 ; i<3 ; i++)
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{
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if ( fabs(normal[i] - 1) < NORMAL_EPSILON )
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{
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VectorClear (normal);
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normal[i] = 1;
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break;
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}
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if ( fabs(normal[i] - -1) < NORMAL_EPSILON )
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{
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VectorClear (normal);
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normal[i] = -1;
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break;
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}
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}
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}
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/*
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==============
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SnapPlane
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==============
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*/
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void SnapPlane (vec3_t normal, vec_t *dist)
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{
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SnapVector (normal);
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if (fabs(*dist - floor(*dist + 0.5)) < DIST_EPSILON)
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*dist = floor(*dist + 0.5);
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}
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/*
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=============
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FindFloatPlane
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=============
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*/
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#ifndef USE_HASHING
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int FindFloatPlane (vec3_t normal, vec_t dist)
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{
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int i;
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plane_t *p;
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SnapPlane (normal, &dist);
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for (i=0, p=mapplanes ; i<nummapplanes ; i++, p++)
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{
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if (PlaneEqual (p, normal, dist))
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return i;
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}
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return CreateNewFloatPlane (normal, dist);
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}
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#else
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int FindFloatPlane (vec3_t normal, vec_t dist)
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{
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int i;
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plane_t *p;
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int hash, h;
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SnapPlane (normal, &dist);
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hash = (int)fabs(dist) / 8;
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hash &= (PLANE_HASHES-1);
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// search the border bins as well
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for (i=-1 ; i<=1 ; i++)
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{
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h = (hash+i)&(PLANE_HASHES-1);
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for (p = planehash[h] ; p ; p=p->hash_chain)
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{
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if (PlaneEqual (p, normal, dist))
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return p-mapplanes;
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}
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}
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return CreateNewFloatPlane (normal, dist);
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}
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#endif
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/*
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================
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PlaneFromPoints
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================
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*/
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int PlaneFromPoints (vec_t *p0, vec_t *p1, vec_t *p2)
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{
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vec3_t t1, t2, normal;
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vec_t dist;
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VectorSubtract (p0, p1, t1);
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VectorSubtract (p2, p1, t2);
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CrossProduct (t1, t2, normal);
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VectorNormalize (normal);
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dist = DotProduct (p0, normal);
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return FindFloatPlane (normal, dist);
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}
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//====================================================================
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/*
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===========
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BrushContents
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===========
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*/
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int BrushContents (mapbrush_t *b)
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{
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int contents;
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side_t *s;
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int i;
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int trans;
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s = &b->original_sides[0];
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contents = s->contents;
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trans = texinfo[s->texinfo].flags;
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for (i = 1; i < b->numsides; i++, s++)
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{
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s = &b->original_sides[i];
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trans |= texinfo[s->texinfo].flags;
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if (s->contents != contents)
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{
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Msg ("Entity %i, Brush %i: mixed face contents\n", b->entitynum, b->brushnum);
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break;
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}
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}
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// if any side is translucent, mark the contents
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// and change solid to window
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if ( trans & (SURF_TRANS33|SURF_TRANS66) )
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{
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contents |= CONTENTS_TRANSLUCENT;
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if (contents & CONTENTS_SOLID)
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{
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contents &= ~CONTENTS_SOLID;
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contents |= CONTENTS_WINDOW;
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}
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}
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return contents;
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}
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//============================================================================
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/*
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=================
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AddBrushBevels
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Adds any additional planes necessary to allow the brush to be expanded
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against axial bounding boxes
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=================
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*/
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void AddBrushBevels (mapbrush_t *b)
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{
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int axis, dir;
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int i, j, k, l, order;
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side_t sidetemp;
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brush_texture_t tdtemp;
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side_t *s, *s2;
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vec3_t normal;
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float dist;
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winding_t *w, *w2;
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vec3_t vec, vec2;
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float d;
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//
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// add the axial planes
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//
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order = 0;
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for (axis=0 ; axis <3 ; axis++)
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{
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for (dir=-1 ; dir <= 1 ; dir+=2, order++)
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{
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// see if the plane is allready present
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for (i=0, s=b->original_sides ; i<b->numsides ; i++,s++)
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{
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if (mapplanes[s->planenum].normal[axis] == dir)
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break;
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}
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if (i == b->numsides)
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{ // add a new side
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if (nummapbrushsides == MAX_MAP_BRUSHSIDES)
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Sys_Error ("MAX_MAP_BRUSHSIDES");
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nummapbrushsides++;
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b->numsides++;
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VectorClear (normal);
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normal[axis] = dir;
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if (dir == 1)
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dist = b->maxs[axis];
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else
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dist = -b->mins[axis];
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s->planenum = FindFloatPlane (normal, dist);
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s->texinfo = b->original_sides[0].texinfo;
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s->contents = b->original_sides[0].contents;
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s->bevel = true;
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c_boxbevels++;
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}
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// if the plane is not in it canonical order, swap it
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if (i != order)
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{
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sidetemp = b->original_sides[order];
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b->original_sides[order] = b->original_sides[i];
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b->original_sides[i] = sidetemp;
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j = b->original_sides - brushsides;
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tdtemp = side_brushtextures[j+order];
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side_brushtextures[j+order] = side_brushtextures[j+i];
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side_brushtextures[j+i] = tdtemp;
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}
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}
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}
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//
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// add the edge bevels
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//
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if (b->numsides == 6)
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return; // pure axial
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// test the non-axial plane edges
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for (i=6 ; i<b->numsides ; i++)
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{
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s = b->original_sides + i;
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w = s->winding;
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if (!w)
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continue;
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for (j=0 ; j<w->numpoints ; j++)
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{
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k = (j+1)%w->numpoints;
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VectorSubtract (w->p[j], w->p[k], vec);
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if (VectorNormalize (vec) < 0.5)
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continue;
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SnapVector (vec);
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for (k=0 ; k<3 ; k++)
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if ( vec[k] == -1 || vec[k] == 1)
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break; // axial
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if (k != 3)
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continue; // only test non-axial edges
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// try the six possible slanted axials from this edge
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for (axis=0 ; axis <3 ; axis++)
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{
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for (dir=-1 ; dir <= 1 ; dir+=2)
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{
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// construct a plane
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VectorClear (vec2);
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vec2[axis] = dir;
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CrossProduct (vec, vec2, normal);
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if (VectorNormalize (normal) < 0.5)
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continue;
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dist = DotProduct (w->p[j], normal);
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// if all the points on all the sides are
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// behind this plane, it is a proper edge bevel
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for (k=0 ; k<b->numsides ; k++)
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{
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// if this plane has allready been used, skip it
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if (PlaneEqual (&mapplanes[b->original_sides[k].planenum]
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, normal, dist) )
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break;
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w2 = b->original_sides[k].winding;
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if (!w2)
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continue;
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for (l=0 ; l<w2->numpoints ; l++)
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{
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d = DotProduct (w2->p[l], normal) - dist;
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if (d > 0.1)
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break; // point in front
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}
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if (l != w2->numpoints)
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break;
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}
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if (k != b->numsides)
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continue; // wasn't part of the outer hull
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// add this plane
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if (nummapbrushsides == MAX_MAP_BRUSHSIDES)
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Sys_Error ("MAX_MAP_BRUSHSIDES");
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nummapbrushsides++;
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s2 = &b->original_sides[b->numsides];
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s2->planenum = FindFloatPlane (normal, dist);
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s2->texinfo = b->original_sides[0].texinfo;
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s2->contents = b->original_sides[0].contents;
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s2->bevel = true;
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c_edgebevels++;
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b->numsides++;
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}
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}
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}
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}
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}
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/*
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================
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MakeBrushWindings
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makes basewindigs for sides and mins / maxs for the brush
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================
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*/
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bool MakeBrushWindings (mapbrush_t *ob)
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{
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int i, j;
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winding_t *w;
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side_t *side;
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plane_t *plane;
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ClearBounds (ob->mins, ob->maxs);
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for (i=0 ; i<ob->numsides ; i++)
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{
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plane = &mapplanes[ob->original_sides[i].planenum];
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w = BaseWindingForPlane (plane->normal, plane->dist);
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for (j=0 ; j<ob->numsides && w; j++)
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{
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if (i == j)
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continue;
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if (ob->original_sides[j].bevel)
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continue;
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plane = &mapplanes[ob->original_sides[j].planenum^1];
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ChopWindingInPlace (&w, plane->normal, plane->dist, 0); //CLIP_EPSILON);
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}
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side = &ob->original_sides[i];
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side->winding = w;
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if (w)
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{
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side->visible = true;
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for (j=0 ; j<w->numpoints ; j++)
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AddPointToBounds (w->p[j], ob->mins, ob->maxs);
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}
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}
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for (i=0 ; i<3 ; i++)
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{
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if (ob->mins[0] < -4096 || ob->maxs[0] > 4096)
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Msg ("entity %i, brush %i: bounds out of range\n", ob->entitynum, ob->brushnum);
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if (ob->mins[0] > 4096 || ob->maxs[0] < -4096)
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Msg ("entity %i, brush %i: no visible sides on brush\n", ob->entitynum, ob->brushnum);
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}
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return true;
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}
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/*
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=================
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ParseBrush
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=================
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*/
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void ParseBrush (bsp_entity_t *mapent)
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{
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mapbrush_t *b;
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int i,j, k;
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int mt;
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side_t *side, *s2;
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int planenum;
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brush_texture_t td;
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vec_t planepts[3][3]; //quark used float coords
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if (nummapbrushes == MAX_MAP_BRUSHES)
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Sys_Error ("nummapbrushes == MAX_MAP_BRUSHES");
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b = &mapbrushes[nummapbrushes];
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b->original_sides = &brushsides[nummapbrushsides];
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b->entitynum = num_entities-1;
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b->brushnum = nummapbrushes - mapent->firstbrush;
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do
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{
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g_TXcommand = 0;
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if (!SC_GetToken (true)) break;
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if (SC_MatchToken("}")) break;
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if (nummapbrushsides == MAX_MAP_BRUSHSIDES)
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Sys_Error ("MAX_MAP_BRUSHSIDES");
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side = &brushsides[nummapbrushsides];
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// read the three point plane definition
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for (i = 0; i < 3; i++)
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{
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if (i != 0) SC_GetToken (true);
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if(!SC_MatchToken("(")) Sys_Error ("ParseBrush: error parsing %d", b->brushnum );
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for (j=0 ; j<3 ; j++)
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{
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SC_GetToken (false);
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planepts[i][j] = atof(SC_Token());
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}
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SC_GetToken (false);
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if(!SC_MatchToken(")"))Sys_Error ("parsing brush");
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}
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// read the texturedef
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SC_GetToken (false);
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strcpy (td.name, SC_Token());
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if(g_mapversion == VALVE_FORMAT) // Worldcraft 2.2+
|
|
{
|
|
// texture U axis
|
|
SC_GetToken(false);
|
|
if (strcmp(SC_Token(), "[")) Sys_Error("missing '[' in texturedef (U)");
|
|
SC_GetToken(false);
|
|
td.vects.valve.UAxis[0] = atof(SC_Token());
|
|
SC_GetToken(false);
|
|
td.vects.valve.UAxis[1] = atof(SC_Token());
|
|
SC_GetToken(false);
|
|
td.vects.valve.UAxis[2] = atof(SC_Token());
|
|
SC_GetToken(false);
|
|
td.vects.valve.shift[0] = atof(SC_Token());
|
|
SC_GetToken(false);
|
|
if (strcmp(SC_Token(), "]")) Sys_Error("missing ']' in texturedef (U)");
|
|
|
|
// texture V axis
|
|
SC_GetToken(false);
|
|
if (strcmp(SC_Token(), "[")) Sys_Error("missing '[' in texturedef (V)");
|
|
SC_GetToken(false);
|
|
td.vects.valve.VAxis[0] = atof(SC_Token());
|
|
SC_GetToken(false);
|
|
td.vects.valve.VAxis[1] = atof(SC_Token());
|
|
SC_GetToken(false);
|
|
td.vects.valve.VAxis[2] = atof(SC_Token());
|
|
SC_GetToken(false);
|
|
td.vects.valve.shift[1] = atof(SC_Token());
|
|
SC_GetToken(false);
|
|
if (strcmp(SC_Token(), "]")) Sys_Error("missing ']' in texturedef (V)");
|
|
|
|
// Texture rotation is implicit in U/V axes.
|
|
SC_GetToken(false);
|
|
td.vects.valve.rotate = 0;
|
|
|
|
// texure scale
|
|
SC_GetToken(false);
|
|
td.vects.valve.scale[0] = atof(SC_Token());
|
|
SC_GetToken(false);
|
|
td.vects.valve.scale[1] = atof(SC_Token());
|
|
}
|
|
else
|
|
{
|
|
// Worldcraft 2.1-, Radiant
|
|
SC_GetToken (false);
|
|
td.vects.valve.shift[0] = atof(SC_Token());
|
|
SC_GetToken (false);
|
|
td.vects.valve.shift[1] = atof(SC_Token());
|
|
SC_GetToken (false);
|
|
td.vects.valve.rotate = atof(SC_Token());
|
|
SC_GetToken (false);
|
|
td.vects.valve.scale[0] = atof(SC_Token());
|
|
SC_GetToken (false);
|
|
td.vects.valve.scale[1] = atof(SC_Token());
|
|
}
|
|
|
|
if ((g_TXcommand == '1' || g_TXcommand == '2'))
|
|
{
|
|
// We are QuArK mode and need to translate some numbers to align textures its way
|
|
// from QuArK, the texture vectors are given directly from the three points
|
|
vec3_t TexPt[2];
|
|
int k;
|
|
float dot22, dot23, dot33, mdet, aa, bb, dd;
|
|
|
|
k = g_TXcommand - '0';
|
|
for (j = 0; j < 3; j++)
|
|
{
|
|
TexPt[1][j] = (planepts[k][j] - planepts[0][j]) * ScaleCorrection;
|
|
}
|
|
|
|
k = 3 - k;
|
|
for (j = 0; j < 3; j++)
|
|
{
|
|
TexPt[0][j] = (planepts[k][j] - planepts[0][j]) * ScaleCorrection;
|
|
}
|
|
|
|
dot22 = DotProduct(TexPt[0], TexPt[0]);
|
|
dot23 = DotProduct(TexPt[0], TexPt[1]);
|
|
dot33 = DotProduct(TexPt[1], TexPt[1]);
|
|
mdet = dot22 * dot33 - dot23 * dot23;
|
|
if (mdet < 1E-6 && mdet > -1E-6)
|
|
{
|
|
aa = bb = dd = 0;
|
|
Msg("Degenerate QuArK-style brush texture : Entity %i, Brush %i\n", b->entitynum, b->brushnum);
|
|
}
|
|
else
|
|
{
|
|
mdet = 1.0 / mdet;
|
|
aa = dot33 * mdet;
|
|
bb = -dot23 * mdet;
|
|
dd = dot22 * mdet;
|
|
}
|
|
for (j = 0; j < 3; j++)
|
|
{
|
|
td.vects.quark.vects[0][j] = aa * TexPt[0][j] + bb * TexPt[1][j];
|
|
td.vects.quark.vects[1][j] = -(bb * TexPt[0][j] + dd * TexPt[1][j]);
|
|
}
|
|
td.vects.quark.vects[0][3] = -DotProduct(td.vects.quark.vects[0], planepts[0]);
|
|
td.vects.quark.vects[1][3] = -DotProduct(td.vects.quark.vects[1], planepts[0]);
|
|
}
|
|
td.txcommand = g_TXcommand;// Quark stuff, but needs setting always
|
|
|
|
// find default flags and values
|
|
mt = FindMiptex (td.name);
|
|
td.flags = textureref[mt].flags;
|
|
td.value = textureref[mt].value;
|
|
side->contents = textureref[mt].contents;
|
|
side->surf = td.flags = textureref[mt].flags;
|
|
|
|
//Msg("flags %d, value %d, contents %d\n", td.flags, td.value, side->contents );
|
|
|
|
if (SC_TryToken()) //first SC_Token() will be get automatically
|
|
{
|
|
side->contents = atoi(SC_Token());
|
|
SC_GetToken (false);
|
|
side->surf = td.flags = atoi(SC_Token());
|
|
SC_GetToken (false);
|
|
td.value = atoi(SC_Token());
|
|
}
|
|
|
|
// translucent objects are automatically classified as detail
|
|
if (side->surf & (SURF_TRANS33|SURF_TRANS66) )
|
|
side->contents |= CONTENTS_DETAIL;
|
|
if (side->contents & (CONTENTS_PLAYERCLIP|CONTENTS_MONSTERCLIP) )
|
|
side->contents |= CONTENTS_DETAIL;
|
|
if (!(side->contents & ((LAST_VISIBLE_CONTENTS-1)
|
|
| CONTENTS_PLAYERCLIP|CONTENTS_MONSTERCLIP|CONTENTS_MIST) ) )
|
|
side->contents |= CONTENTS_SOLID;
|
|
|
|
// hints and skips are never detail, and have no content
|
|
if (side->surf & (SURF_HINT|SURF_SKIP) )
|
|
{
|
|
side->contents = 0;
|
|
side->surf &= ~CONTENTS_DETAIL;
|
|
}
|
|
|
|
// find the plane number
|
|
planenum = PlaneFromPoints (planepts[0], planepts[1], planepts[2]);
|
|
if (planenum == -1)
|
|
{
|
|
Msg ("Entity %i, Brush %i: plane with no normal\n", b->entitynum, b->brushnum);
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// see if the plane has been used already
|
|
//
|
|
for (k=0 ; k<b->numsides ; k++)
|
|
{
|
|
s2 = b->original_sides + k;
|
|
if (s2->planenum == planenum)
|
|
{
|
|
Msg("Entity %i, Brush %i: duplicate plane\n", b->entitynum, b->brushnum);
|
|
break;
|
|
}
|
|
if ( s2->planenum == (planenum^1) )
|
|
{
|
|
Msg("Entity %i, Brush %i: mirrored plane\n", b->entitynum, b->brushnum);
|
|
break;
|
|
}
|
|
}
|
|
if (k != b->numsides)
|
|
continue; // duplicated
|
|
|
|
//
|
|
// keep this side
|
|
//
|
|
|
|
side = b->original_sides + b->numsides;
|
|
side->planenum = planenum;
|
|
side->texinfo = TexinfoForBrushTexture (&mapplanes[planenum], &td, vec3_origin);
|
|
|
|
// save the td off in case there is an origin brush and we
|
|
// have to recalculate the texinfo
|
|
side_brushtextures[nummapbrushsides] = td;
|
|
|
|
nummapbrushsides++;
|
|
b->numsides++;
|
|
} while (1);
|
|
|
|
// get the content for the entire brush
|
|
b->contents = BrushContents (b);
|
|
|
|
// create windings for sides and bounds for brush
|
|
MakeBrushWindings (b);
|
|
|
|
// brushes that will not be visible at all will never be
|
|
// used as bsp splitters
|
|
if (b->contents & (CONTENTS_PLAYERCLIP|CONTENTS_MONSTERCLIP) )
|
|
{
|
|
c_clipbrushes++;
|
|
for (i=0 ; i<b->numsides ; i++)
|
|
b->original_sides[i].texinfo = TEXINFO_NODE;
|
|
}
|
|
|
|
//
|
|
// origin brushes are removed, but they set
|
|
// the rotation origin for the rest of the brushes
|
|
// in the entity. After the entire entity is parsed,
|
|
// the planenums and texinfos will be adjusted for
|
|
// the origin brush
|
|
//
|
|
if (b->contents & CONTENTS_ORIGIN)
|
|
{
|
|
char string[32];
|
|
vec3_t size, movedir, origin;
|
|
|
|
if (num_entities == 1)
|
|
{
|
|
Sys_Error ("Entity %i, Brush %i: origin brushes not allowed in world", b->entitynum, b->brushnum);
|
|
return;
|
|
}
|
|
|
|
VectorAdd (b->mins, b->maxs, origin);
|
|
VectorScale (origin, 0.5, origin);
|
|
|
|
//calcualte movedir (Xash 0.4 style)
|
|
VectorSubtract(b->maxs, b->mins, size );
|
|
if (size[2] > size[0] && size[2] > size[1])
|
|
{
|
|
movedir[0] = 0;//x-rotate
|
|
movedir[1] = 1;
|
|
movedir[2] = 0;
|
|
}
|
|
else if (size[1] > size[2] && size[1] > size[0])
|
|
{
|
|
movedir[0] = 1;//y-rotate
|
|
movedir[1] = 0;
|
|
movedir[2] = 0;
|
|
}
|
|
else if (size[0] > size[2] && size[0] > size[1])
|
|
{
|
|
movedir[0] = 0;//z-rotate
|
|
movedir[1] = 0;
|
|
movedir[2] = 1;
|
|
}
|
|
else
|
|
{
|
|
movedir[0] = 0;//deafult x-rotate
|
|
movedir[1] = 1;
|
|
movedir[2] = 0;
|
|
Msg("Entity %d has origin with invalid form! Make axis form for it", b->entitynum );
|
|
}
|
|
|
|
sprintf (string, "%i %i %i", (int)origin[0], (int)origin[1], (int)origin[2]);
|
|
SetKeyValue (&entities[b->entitynum], "origin", string);
|
|
sprintf (string, "%i %i %i", (int)movedir[0], (int)movedir[1], (int)movedir[2]);
|
|
SetKeyValue (&entities[b->entitynum], "movedir", string);
|
|
|
|
VectorCopy (origin, entities[b->entitynum].origin);
|
|
|
|
// don't keep this brush
|
|
b->numsides = 0;
|
|
|
|
return;
|
|
}
|
|
|
|
AddBrushBevels (b);
|
|
|
|
nummapbrushes++;
|
|
mapent->numbrushes++;
|
|
}
|
|
|
|
/*
|
|
================
|
|
MoveBrushesToWorld
|
|
|
|
Takes all of the brushes from the current entity and
|
|
adds them to the world's brush list.
|
|
|
|
Used by func_group and func_areaportal
|
|
================
|
|
*/
|
|
void MoveBrushesToWorld (bsp_entity_t *mapent)
|
|
{
|
|
int newbrushes;
|
|
int worldbrushes;
|
|
mapbrush_t *temp;
|
|
int i;
|
|
|
|
// this is pretty gross, because the brushes are expected to be
|
|
// in linear order for each entity
|
|
|
|
newbrushes = mapent->numbrushes;
|
|
worldbrushes = entities[0].numbrushes;
|
|
|
|
temp = Malloc(newbrushes*sizeof(mapbrush_t));
|
|
memcpy (temp, mapbrushes + mapent->firstbrush, newbrushes*sizeof(mapbrush_t));
|
|
|
|
// make space to move the brushes (overlapped copy)
|
|
memmove (mapbrushes + worldbrushes + newbrushes,
|
|
mapbrushes + worldbrushes,
|
|
sizeof(mapbrush_t) * (nummapbrushes - worldbrushes - newbrushes) );
|
|
|
|
// copy the new brushes down
|
|
memcpy (mapbrushes + worldbrushes, temp, sizeof(mapbrush_t) * newbrushes);
|
|
|
|
// fix up indexes
|
|
entities[0].numbrushes += newbrushes;
|
|
for (i=1 ; i<num_entities ; i++)
|
|
entities[i].firstbrush += newbrushes;
|
|
Free (temp);
|
|
|
|
mapent->numbrushes = 0;
|
|
}
|
|
|
|
/*
|
|
================
|
|
ParseMapEntity
|
|
================
|
|
*/
|
|
bool ParseMapEntity (void)
|
|
{
|
|
bsp_entity_t *mapent;
|
|
epair_t *e;
|
|
side_t *s;
|
|
int i, j;
|
|
int startbrush, startsides;
|
|
vec_t newdist;
|
|
mapbrush_t *b;
|
|
|
|
if (!SC_GetToken (true)) return false;
|
|
|
|
if(!SC_MatchToken( "{" )) Sys_Error ("ParseEntity: { not found");
|
|
|
|
if (num_entities == MAX_MAP_ENTITIES)
|
|
Sys_Error ("num_entities == MAX_MAP_ENTITIES");
|
|
|
|
startbrush = nummapbrushes;
|
|
startsides = nummapbrushsides;
|
|
|
|
mapent = &entities[num_entities];
|
|
num_entities++;
|
|
memset (mapent, 0, sizeof(*mapent));
|
|
mapent->firstbrush = nummapbrushes;
|
|
mapent->numbrushes = 0;
|
|
// mapent->portalareas[0] = -1;
|
|
// mapent->portalareas[1] = -1;
|
|
|
|
do
|
|
{
|
|
if (!SC_GetToken (true)) Sys_Error ("ParseEntity: EOF without closing brace");
|
|
if (SC_MatchToken( "}")) break;
|
|
if (SC_MatchToken( "{")) ParseBrush (mapent);
|
|
else
|
|
{
|
|
e = ParseEpair ();
|
|
|
|
if (!strcmp(e->key, "mapversion"))
|
|
{
|
|
g_mapversion = atoi(e->value);
|
|
Msg("mapversion %d\n", g_mapversion );
|
|
}
|
|
e->next = mapent->epairs;
|
|
mapent->epairs = e;
|
|
}
|
|
} while (1);
|
|
|
|
GetVectorForKey (mapent, "origin", mapent->origin);
|
|
|
|
//
|
|
// if there was an origin brush, offset all of the planes and texinfo
|
|
//
|
|
if (mapent->origin[0] || mapent->origin[1] || mapent->origin[2])
|
|
{
|
|
for (i=0 ; i<mapent->numbrushes ; i++)
|
|
{
|
|
b = &mapbrushes[mapent->firstbrush + i];
|
|
for (j=0 ; j<b->numsides ; j++)
|
|
{
|
|
s = &b->original_sides[j];
|
|
newdist = mapplanes[s->planenum].dist - DotProduct (mapplanes[s->planenum].normal, mapent->origin);
|
|
s->planenum = FindFloatPlane (mapplanes[s->planenum].normal, newdist);
|
|
s->texinfo = TexinfoForBrushTexture (&mapplanes[s->planenum], &side_brushtextures[s-brushsides], mapent->origin);
|
|
}
|
|
MakeBrushWindings (b);
|
|
}
|
|
}
|
|
|
|
// group entities are just for editor convenience
|
|
// toss all brushes into the world entity
|
|
if (!strcmp ("func_group", ValueForKey (mapent, "classname")))
|
|
{
|
|
MoveBrushesToWorld (mapent);
|
|
mapent->numbrushes = 0;
|
|
return true;
|
|
}
|
|
|
|
// areaportal entities move their brushes, but don't eliminate
|
|
// the entity
|
|
if (!strcmp ("func_areaportal", ValueForKey (mapent, "classname")))
|
|
{
|
|
char str[128];
|
|
|
|
if (mapent->numbrushes != 1)
|
|
Sys_Error ("Entity %i: func_areaportal can only be a single brush", num_entities-1);
|
|
|
|
b = &mapbrushes[nummapbrushes-1];
|
|
b->contents = CONTENTS_AREAPORTAL;
|
|
c_areaportals++;
|
|
mapent->areaportalnum = c_areaportals;
|
|
// set the portal number as "style"
|
|
sprintf (str, "%i", c_areaportals);
|
|
SetKeyValue (mapent, "style", str);
|
|
MoveBrushesToWorld (mapent);
|
|
return true;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//===================================================================
|
|
|
|
/*
|
|
================
|
|
LoadMapFile
|
|
================
|
|
*/
|
|
void LoadMapFile (void)
|
|
{
|
|
int i;
|
|
bool load;
|
|
char path[MAX_SYSPATH];
|
|
|
|
sprintf (path, "maps/%s.map", gs_mapname );
|
|
load = FS_LoadScript(path, NULL, 0);
|
|
|
|
nummapbrushsides = 0;
|
|
num_entities = 0;
|
|
|
|
if(!load) Sys_Error("can't loading map file %s\n", path );
|
|
Msg ("reading %s\n", path);
|
|
|
|
while (ParseMapEntity ()){}
|
|
|
|
ClearBounds (map_mins, map_maxs);
|
|
for (i = 0; i < entities[0].numbrushes; i++)
|
|
{
|
|
if (mapbrushes[i].mins[0] > 4096)
|
|
continue; // no valid points
|
|
AddPointToBounds (mapbrushes[i].mins, map_mins, map_maxs);
|
|
AddPointToBounds (mapbrushes[i].maxs, map_mins, map_maxs);
|
|
}
|
|
|
|
Msg("%5i brushes\n", nummapbrushes);
|
|
Msg("%5i clipbrushes\n", c_clipbrushes);
|
|
Msg("%5i total sides\n", nummapbrushsides);
|
|
Msg("%5i entities\n", num_entities);
|
|
Msg("%5i planes\n", nummapplanes);
|
|
Msg("%5i areaportals\n", c_areaportals);
|
|
} |