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lilium-voyager/code/bspc/map.c

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The Quake III Arena sources as originally released under the GPL license on August 20, 2005.
2012-01-31 19:41:34 +00:00
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code 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.
Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "qbsp.h"
#include "l_bsp_hl.h"
#include "l_bsp_q1.h"
#include "l_bsp_q2.h"
#include "l_bsp_q3.h"
#include "l_bsp_sin.h"
#include "l_mem.h"
#include "../botlib/aasfile.h" //aas_bbox_t
#include "aas_store.h" //AAS_MAX_BBOXES
#include "aas_cfg.h"
#define Sign(x) (x < 0 ? 1 : 0)
int nummapbrushes;
mapbrush_t mapbrushes[MAX_MAPFILE_BRUSHES];
int nummapbrushsides;
side_t brushsides[MAX_MAPFILE_BRUSHSIDES];
brush_texture_t side_brushtextures[MAX_MAPFILE_BRUSHSIDES];
int nummapplanes;
plane_t mapplanes[MAX_MAPFILE_PLANES];
int mapplaneusers[MAX_MAPFILE_PLANES];
#define PLANE_HASHES 1024
plane_t *planehash[PLANE_HASHES];
vec3_t map_mins, map_maxs;
#ifdef SIN
textureref_t side_newrefs[MAX_MAPFILE_BRUSHSIDES];
#endif
map_texinfo_t map_texinfo[MAX_MAPFILE_TEXINFO];
int map_numtexinfo;
int loadedmaptype; //loaded map type
// undefine to make plane finding use linear sort
#define USE_HASHING
int c_boxbevels;
int c_edgebevels;
int c_areaportals;
int c_clipbrushes;
int c_squattbrushes;
int c_writtenbrushes;
/*
=============================================================================
PLANE FINDING
=============================================================================
*/
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int PlaneSignBits(vec3_t normal)
{
int i, signbits;
signbits = 0;
for (i = 2; i >= 0; i--)
{
signbits = (signbits << 1) + Sign(normal[i]);
} //end for
return signbits;
} //end of the function PlaneSignBits
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int PlaneTypeForNormal(vec3_t normal)
{
vec_t ax, ay, az;
// NOTE: should these have an epsilon around 1.0?
if (normal[0] == 1.0 || normal[0] == -1.0)
return PLANE_X;
if (normal[1] == 1.0 || normal[1] == -1.0)
return PLANE_Y;
if (normal[2] == 1.0 || normal[2] == -1.0)
return PLANE_Z;
ax = fabs(normal[0]);
ay = fabs(normal[1]);
az = fabs(normal[2]);
if (ax >= ay && ax >= az)
return PLANE_ANYX;
if (ay >= ax && ay >= az)
return PLANE_ANYY;
return PLANE_ANYZ;
} //end of the function PlaneTypeForNormal
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
//ME NOTE: changed from 0.00001
#define NORMAL_EPSILON 0.0001
//ME NOTE: changed from 0.01
#define DIST_EPSILON 0.02
qboolean PlaneEqual(plane_t *p, vec3_t normal, vec_t dist)
{
#if 1
if (
fabs(p->normal[0] - normal[0]) < NORMAL_EPSILON
&& fabs(p->normal[1] - normal[1]) < NORMAL_EPSILON
&& fabs(p->normal[2] - normal[2]) < NORMAL_EPSILON
&& fabs(p->dist - dist) < DIST_EPSILON )
return true;
#else
if (p->normal[0] == normal[0]
&& p->normal[1] == normal[1]
&& p->normal[2] == normal[2]
&& p->dist == dist)
return true;
#endif
return false;
} //end of the function PlaneEqual
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AddPlaneToHash(plane_t *p)
{
int hash;
hash = (int)fabs(p->dist) / 8;
hash &= (PLANE_HASHES-1);
p->hash_chain = planehash[hash];
planehash[hash] = p;
} //end of the function AddPlaneToHash
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int CreateNewFloatPlane (vec3_t normal, vec_t dist)
{
plane_t *p, temp;
if (VectorLength(normal) < 0.5)
Error ("FloatPlane: bad normal");
// create a new plane
if (nummapplanes+2 > MAX_MAPFILE_PLANES)
Error ("MAX_MAPFILE_PLANES");
p = &mapplanes[nummapplanes];
VectorCopy (normal, p->normal);
p->dist = dist;
p->type = (p+1)->type = PlaneTypeForNormal (p->normal);
p->signbits = PlaneSignBits(p->normal);
VectorSubtract (vec3_origin, normal, (p+1)->normal);
(p+1)->dist = -dist;
(p+1)->signbits = PlaneSignBits((p+1)->normal);
nummapplanes += 2;
// allways put axial planes facing positive first
if (p->type < 3)
{
if (p->normal[0] < 0 || p->normal[1] < 0 || p->normal[2] < 0)
{
// flip order
temp = *p;
*p = *(p+1);
*(p+1) = temp;
AddPlaneToHash (p);
AddPlaneToHash (p+1);
return nummapplanes - 1;
}
}
AddPlaneToHash (p);
AddPlaneToHash (p+1);
return nummapplanes - 2;
} //end of the function CreateNewFloatPlane
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void SnapVector(vec3_t normal)
{
int i;
for (i=0 ; i<3 ; i++)
{
if ( fabs(normal[i] - 1) < NORMAL_EPSILON )
{
VectorClear (normal);
normal[i] = 1;
break;
}
if ( fabs(normal[i] - -1) < NORMAL_EPSILON )
{
VectorClear (normal);
normal[i] = -1;
break;
}
}
} //end of the function SnapVector
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void SnapPlane(vec3_t normal, vec_t *dist)
{
SnapVector(normal);
if (fabs(*dist-Q_rint(*dist)) < DIST_EPSILON)
*dist = Q_rint(*dist);
} //end of the function SnapPlane
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
#ifndef USE_HASHING
int FindFloatPlane(vec3_t normal, vec_t dist)
{
int i;
plane_t *p;
SnapPlane(normal, &dist);
for (i = 0, p = mapplanes; i < nummapplanes; i++, p++)
{
if (PlaneEqual (p, normal, dist))
{
mapplaneusers[i]++;
return i;
} //end if
} //end for
i = CreateNewFloatPlane (normal, dist);
mapplaneusers[i]++;
return i;
} //end of the function FindFloatPlane
#else
int FindFloatPlane (vec3_t normal, vec_t dist)
{
int i;
plane_t *p;
int hash, h;
SnapPlane (normal, &dist);
hash = (int)fabs(dist) / 8;
hash &= (PLANE_HASHES-1);
// search the border bins as well
for (i = -1; i <= 1; i++)
{
h = (hash+i)&(PLANE_HASHES-1);
for (p = planehash[h]; p; p = p->hash_chain)
{
if (PlaneEqual(p, normal, dist))
{
mapplaneusers[p-mapplanes]++;
return p - mapplanes;
} //end if
} //end for
} //end for
i = CreateNewFloatPlane (normal, dist);
mapplaneusers[i]++;
return i;
} //end of the function FindFloatPlane
#endif
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int PlaneFromPoints (int *p0, int *p1, int *p2)
{
vec3_t t1, t2, normal;
vec_t dist;
VectorSubtract (p0, p1, t1);
VectorSubtract (p2, p1, t2);
CrossProduct (t1, t2, normal);
VectorNormalize (normal);
dist = DotProduct (p0, normal);
return FindFloatPlane (normal, dist);
} //end of the function PlaneFromPoints
//===========================================================================
// Adds any additional planes necessary to allow the brush to be expanded
// against axial bounding boxes
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AddBrushBevels (mapbrush_t *b)
{
int axis, dir;
int i, j, k, l, order;
side_t sidetemp;
brush_texture_t tdtemp;
#ifdef SIN
textureref_t trtemp;
#endif
side_t *s, *s2;
vec3_t normal;
float dist;
winding_t *w, *w2;
vec3_t vec, vec2;
float d;
//
// add the axial planes
//
order = 0;
for (axis=0 ; axis <3 ; axis++)
{
for (dir=-1 ; dir <= 1 ; dir+=2, order++)
{
// see if the plane is allready present
for (i=0, s=b->original_sides ; i<b->numsides ; i++,s++)
{
if (mapplanes[s->planenum].normal[axis] == dir)
break;
}
if (i == b->numsides)
{ // add a new side
if (nummapbrushsides == MAX_MAP_BRUSHSIDES)
Error ("MAX_MAP_BRUSHSIDES");
nummapbrushsides++;
b->numsides++;
VectorClear (normal);
normal[axis] = dir;
if (dir == 1)
dist = b->maxs[axis];
else
dist = -b->mins[axis];
s->planenum = FindFloatPlane (normal, dist);
s->texinfo = b->original_sides[0].texinfo;
#ifdef SIN
s->lightinfo = b->original_sides[0].lightinfo;
#endif
s->contents = b->original_sides[0].contents;
s->flags |= SFL_BEVEL;
c_boxbevels++;
}
// if the plane is not in it canonical order, swap it
if (i != order)
{
sidetemp = b->original_sides[order];
b->original_sides[order] = b->original_sides[i];
b->original_sides[i] = sidetemp;
j = b->original_sides - brushsides;
tdtemp = side_brushtextures[j+order];
side_brushtextures[j+order] = side_brushtextures[j+i];
side_brushtextures[j+i] = tdtemp;
#ifdef SIN
trtemp = side_newrefs[j+order];
side_newrefs[j+order] = side_newrefs[j+i];
side_newrefs[j+i] = trtemp;
#endif
}
}
}
//
// add the edge bevels
//
if (b->numsides == 6)
return; // pure axial
// test the non-axial plane edges
for (i=6 ; i<b->numsides ; i++)
{
s = b->original_sides + i;
w = s->winding;
if (!w)
continue;
for (j=0 ; j<w->numpoints ; j++)
{
k = (j+1)%w->numpoints;
VectorSubtract (w->p[j], w->p[k], vec);
if (VectorNormalize (vec) < 0.5)
continue;
SnapVector (vec);
for (k=0 ; k<3 ; k++)
if ( vec[k] == -1 || vec[k] == 1)
break; // axial
if (k != 3)
continue; // only test non-axial edges
// try the six possible slanted axials from this edge
for (axis=0 ; axis <3 ; axis++)
{
for (dir=-1 ; dir <= 1 ; dir+=2)
{
// construct a plane
VectorClear (vec2);
vec2[axis] = dir;
CrossProduct (vec, vec2, normal);
if (VectorNormalize (normal) < 0.5)
continue;
dist = DotProduct (w->p[j], normal);
// if all the points on all the sides are
// behind this plane, it is a proper edge bevel
for (k=0 ; k<b->numsides ; k++)
{
// if this plane has allready been used, skip it
if (PlaneEqual (&mapplanes[b->original_sides[k].planenum]
, normal, dist) )
break;
w2 = b->original_sides[k].winding;
if (!w2)
continue;
for (l=0 ; l<w2->numpoints ; l++)
{
d = DotProduct (w2->p[l], normal) - dist;
if (d > 0.1)
break; // point in front
}
if (l != w2->numpoints)
break;
}
if (k != b->numsides)
continue; // wasn't part of the outer hull
// add this plane
if (nummapbrushsides == MAX_MAP_BRUSHSIDES)
Error ("MAX_MAP_BRUSHSIDES");
nummapbrushsides++;
s2 = &b->original_sides[b->numsides];
s2->planenum = FindFloatPlane (normal, dist);
s2->texinfo = b->original_sides[0].texinfo;
#ifdef SIN
s2->lightinfo = b->original_sides[0].lightinfo;
#endif
s2->contents = b->original_sides[0].contents;
s2->flags |= SFL_BEVEL;
c_edgebevels++;
b->numsides++;
}
}
}
}
} //end of the function AddBrushBevels
//===========================================================================
// creates windigs for sides and mins / maxs for the brush
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
qboolean MakeBrushWindings(mapbrush_t *ob)
{
int i, j;
winding_t *w;
side_t *side;
plane_t *plane;
ClearBounds (ob->mins, ob->maxs);
for (i = 0; i < ob->numsides; i++)
{
plane = &mapplanes[ob->original_sides[i].planenum];
w = BaseWindingForPlane(plane->normal, plane->dist);
for (j = 0; j <ob->numsides && w; j++)
{
if (i == j) continue;
if (ob->original_sides[j].flags & SFL_BEVEL) continue;
plane = &mapplanes[ob->original_sides[j].planenum^1];
ChopWindingInPlace(&w, plane->normal, plane->dist, 0); //CLIP_EPSILON);
}
side = &ob->original_sides[i];
side->winding = w;
if (w)
{
side->flags |= SFL_VISIBLE;
for (j = 0; j < w->numpoints; j++)
AddPointToBounds (w->p[j], ob->mins, ob->maxs);
}
}
for (i = 0; i < 3; i++)
{
//IDBUG: all the indexes into the mins and maxs were zero (not using i)
if (ob->mins[i] < -MAX_MAP_BOUNDS || ob->maxs[i] > MAX_MAP_BOUNDS)
{
Log_Print("entity %i, brush %i: bounds out of range\n", ob->entitynum, ob->brushnum);
ob->numsides = 0; //remove the brush
break;
} //end if
if (ob->mins[i] > MAX_MAP_BOUNDS || ob->maxs[i] < -MAX_MAP_BOUNDS)
{
Log_Print("entity %i, brush %i: no visible sides on brush\n", ob->entitynum, ob->brushnum);
ob->numsides = 0; //remove the brush
break;
} //end if
} //end for
return true;
} //end of the function MakeBrushWindings
//===========================================================================
// FIXME: currently doesn't mark all bevels
// NOTE: when one brush bevel is found the remaining sides of the brush
// are bevels as well (when the brush isn't expanded for AAS :))
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void MarkBrushBevels(mapbrush_t *brush)
{
int i;
int we;
side_t *s;
//check all the sides of the brush
for (i = 0; i < brush->numsides; i++)
{
s = brush->original_sides + i;
//if the side has no winding
if (!s->winding)
{
Log_Write("MarkBrushBevels: brush %d no winding", brush->brushnum);
s->flags |= SFL_BEVEL;
} //end if
//if the winding is tiny
else if (WindingIsTiny(s->winding))
{
s->flags |= SFL_BEVEL;
Log_Write("MarkBrushBevels: brush %d tiny winding", brush->brushnum);
} //end else if
//if the winding has errors
else
{
we = WindingError(s->winding);
if (we == WE_NOTENOUGHPOINTS
|| we == WE_SMALLAREA
|| we == WE_POINTBOGUSRANGE
// || we == WE_NONCONVEX
)
{
Log_Write("MarkBrushBevels: brush %d %s", brush->brushnum, WindingErrorString());
s->flags |= SFL_BEVEL;
} //end else if
} //end else
if (s->flags & SFL_BEVEL)
{
s->flags &= ~SFL_VISIBLE;
//if the side has a valid plane
if (s->planenum > 0 && s->planenum < nummapplanes)
{
//if it is an axial plane
if (mapplanes[s->planenum].type < 3) c_boxbevels++;
else c_edgebevels++;
} //end if
} //end if
} //end for
} //end of the function MarkBrushBevels
//===========================================================================
// returns true if the map brush already exists
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int BrushExists(mapbrush_t *brush)
{
int i, s1, s2;
side_t *side1, *side2;
mapbrush_t *brush1, *brush2;
for (i = 0; i < nummapbrushes; i++)
{
brush1 = brush;
brush2 = &mapbrushes[i];
//compare the brushes
if (brush1->entitynum != brush2->entitynum) continue;
//if (brush1->contents != brush2->contents) continue;
if (brush1->numsides != brush2->numsides) continue;
for (s1 = 0; s1 < brush1->numsides; s1++)
{
side1 = brush1->original_sides + s1;
//
for (s2 = 0; s2 < brush2->numsides; s2++)
{
side2 = brush2->original_sides + s2;
//
if ((side1->planenum & ~1) == (side2->planenum & ~1)
// && side1->texinfo == side2->texinfo
// && side1->contents == side2->contents
// && side1->surf == side2->surf
) break;
} //end if
if (s2 >= brush2->numsides) break;
} //end for
if (s1 >= brush1->numsides) return true;
} //end for
return false;
} //end of the function BrushExists
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
qboolean WriteMapBrush(FILE *fp, mapbrush_t *brush, vec3_t origin)
{
int sn, rotate, shift[2], sv, tv, planenum, p1, i, j;
float scale[2], originshift[2], ang1, ang2, newdist;
vec3_t vecs[2], axis[2];
map_texinfo_t *ti;
winding_t *w;
side_t *s;
plane_t *plane;
if (noliquids)
{
if (brush->contents & (CONTENTS_WATER|CONTENTS_SLIME|CONTENTS_LAVA))
{
return true;
} //end if
} //end if
//if the brush has no contents
if (!brush->contents) return true;
//print the leading {
if (fprintf(fp, " { //brush %d\n", brush->brushnum) < 0) return false;
//write brush sides
for (sn = 0; sn < brush->numsides; sn++)
{
s = brush->original_sides + sn;
//don't write out bevels
if (!(s->flags & SFL_BEVEL))
{
//if the entity has an origin set
if (origin[0] || origin[1] || origin[2])
{
newdist = mapplanes[s->planenum].dist +
DotProduct(mapplanes[s->planenum].normal, origin);
planenum = FindFloatPlane(mapplanes[s->planenum].normal, newdist);
} //end if
else
{
planenum = s->planenum;
} //end else
//always take the first plane, then flip the points if necesary
plane = &mapplanes[planenum & ~1];
w = BaseWindingForPlane(plane->normal, plane->dist);
//
for (i = 0; i < 3; i++)
{
for (j = 0; j < 3; j++)
{
if (fabs(w->p[i][j]) < 0.2) w->p[i][j] = 0;
else if (fabs((int)w->p[i][j] - w->p[i][j]) < 0.3) w->p[i][j] = (int) w->p[i][j];
//w->p[i][j] = (int) (w->p[i][j] + 0.2);
} //end for
} //end for
//three non-colinear points to define the plane
if (planenum & 1) p1 = 1;
else p1 = 0;
if (fprintf(fp," ( %5i %5i %5i ) ", (int)w->p[p1][0], (int)w->p[p1][1], (int)w->p[p1][2]) < 0) return false;
if (fprintf(fp,"( %5i %5i %5i ) ", (int)w->p[!p1][0], (int)w->p[!p1][1], (int)w->p[!p1][2]) < 0) return false;
if (fprintf(fp,"( %5i %5i %5i ) ", (int)w->p[2][0], (int)w->p[2][1], (int)w->p[2][2]) < 0) return false;
//free the winding
FreeWinding(w);
//
if (s->texinfo == TEXINFO_NODE)
{
if (brush->contents & CONTENTS_PLAYERCLIP)
{
//player clip
if (loadedmaptype == MAPTYPE_SIN)
{
if (fprintf(fp, "generic/misc/clip 0 0 0 1 1") < 0) return false;
} //end if
else if (loadedmaptype == MAPTYPE_QUAKE2)
{ //FIXME: don't always use e1u1
if (fprintf(fp, "e1u1/clip 0 0 0 1 1") < 0) return false;
} //end else
else if (loadedmaptype == MAPTYPE_QUAKE3)
{
if (fprintf(fp, "e1u1/clip 0 0 0 1 1") < 0) return false;
} //end else if
else
{
if (fprintf(fp, "clip 0 0 0 1 1") < 0) return false;
} //end else
} //end if
else if (brush->contents == CONTENTS_MONSTERCLIP)
{
//monster clip
if (loadedmaptype == MAPTYPE_SIN)
{
if (fprintf(fp, "generic/misc/monster 0 0 0 1 1") < 0) return false;
} //end if
else if (loadedmaptype == MAPTYPE_QUAKE2)
{
if (fprintf(fp, "e1u1/clip_mon 0 0 0 1 1") < 0) return false;
} //end else
else
{
if (fprintf(fp, "clip 0 0 0 1 1") < 0) return false;
} //end else
} //end else
else
{
if (fprintf(fp, "clip 0 0 0 1 1") < 0) return false;
Log_Write("brush->contents = %d\n", brush->contents);
} //end else
} //end if
else if (loadedmaptype == MAPTYPE_SIN && s->texinfo == 0)
{
if (brush->contents & CONTENTS_DUMMYFENCE)
{
if (fprintf(fp, "generic/misc/fence 0 0 0 1 1") < 0) return false;
} //end if
else if (brush->contents & CONTENTS_MIST)
{
if (fprintf(fp, "generic/misc/volumetric_base 0 0 0 1 1") < 0) return false;
} //end if
else //unknown so far
{
if (fprintf(fp, "generic/misc/red 0 0 0 1 1") < 0) return false;
} //end else
} //end if
else if (loadedmaptype == MAPTYPE_QUAKE3)
{
//always use the same texture
if (fprintf(fp, "e2u3/floor1_2 0 0 0 1 1 1 0 0") < 0) return false;
} //end else if
else
{
//*
ti = &map_texinfo[s->texinfo];
//the scaling of the texture
scale[0] = 1 / VectorNormalize2(ti->vecs[0], vecs[0]);
scale[1] = 1 / VectorNormalize2(ti->vecs[1], vecs[1]);
//
TextureAxisFromPlane(plane, axis[0], axis[1]);
//calculate texture shift done by entity origin
originshift[0] = DotProduct(origin, axis[0]);
originshift[1] = DotProduct(origin, axis[1]);
//the texture shift without origin shift
shift[0] = ti->vecs[0][3] - originshift[0];
shift[1] = ti->vecs[1][3] - originshift[1];
//
if (axis[0][0]) sv = 0;
else if (axis[0][1]) sv = 1;
else sv = 2;
if (axis[1][0]) tv = 0;
else if (axis[1][1]) tv = 1;
else tv = 2;
//calculate rotation of texture
if (vecs[0][tv] == 0) ang1 = vecs[0][sv] > 0 ? 90.0 : -90.0;
else ang1 = atan2(vecs[0][sv], vecs[0][tv]) * 180 / Q_PI;
if (ang1 < 0) ang1 += 360;
if (ang1 >= 360) ang1 -= 360;
if (axis[0][tv] == 0) ang2 = axis[0][sv] > 0 ? 90.0 : -90.0;
else ang2 = atan2(axis[0][sv], axis[0][tv]) * 180 / Q_PI;
if (ang2 < 0) ang2 += 360;
if (ang2 >= 360) ang2 -= 360;
rotate = ang2 - ang1;
if (rotate < 0) rotate += 360;
if (rotate >= 360) rotate -= 360;
//write the texture info
if (fprintf(fp, "%s %d %d %d", ti->texture, shift[0], shift[1], rotate) < 0) return false;
if (fabs(scale[0] - ((int) scale[0])) < 0.001)
{
if (fprintf(fp, " %d", (int) scale[0]) < 0) return false;
} //end if
else
{
if (fprintf(fp, " %4f", scale[0]) < 0) return false;
} //end if
if (fabs(scale[1] - ((int) scale[1])) < 0.001)
{
if (fprintf(fp, " %d", (int) scale[1]) < 0) return false;
} //end if
else
{
if (fprintf(fp, " %4f", scale[1]) < 0) return false;
} //end else
//write the extra brush side info
if (loadedmaptype == MAPTYPE_QUAKE2)
{
if (fprintf(fp, " %ld %ld %ld", s->contents, ti->flags, ti->value) < 0) return false;
} //end if
//*/
} //end else
if (fprintf(fp, "\n") < 0) return false;
} //end if
} //end if
if (fprintf(fp, " }\n") < 0) return false;
c_writtenbrushes++;
return true;
} //end of the function WriteMapBrush
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
qboolean WriteOriginBrush(FILE *fp, vec3_t origin)
{
vec3_t normal;
float dist;
int i, s;
winding_t *w;
if (fprintf(fp, " {\n") < 0) return false;
//
for (i = 0; i < 3; i++)
{
for (s = -1; s <= 1; s += 2)
{
//
VectorClear(normal);
normal[i] = s;
dist = origin[i] * s + 16;
//
w = BaseWindingForPlane(normal, dist);
//three non-colinear points to define the plane
if (fprintf(fp," ( %5i %5i %5i ) ", (int)w->p[0][0], (int)w->p[0][1], (int)w->p[0][2]) < 0) return false;
if (fprintf(fp,"( %5i %5i %5i ) ", (int)w->p[1][0], (int)w->p[1][1], (int)w->p[1][2]) < 0) return false;
if (fprintf(fp,"( %5i %5i %5i ) ", (int)w->p[2][0], (int)w->p[2][1], (int)w->p[2][2]) < 0) return false;
//free the winding
FreeWinding(w);
//write origin texture:
// CONTENTS_ORIGIN = 16777216
// SURF_NODRAW = 128
if (loadedmaptype == MAPTYPE_SIN)
{
if (fprintf(fp, "generic/misc/origin 0 0 0 1 1") < 0) return false;
} //end if
else if (loadedmaptype == MAPTYPE_HALFLIFE)
{
if (fprintf(fp, "origin 0 0 0 1 1") < 0) return false;
} //end if
else
{
if (fprintf(fp, "e1u1/origin 0 0 0 1 1") < 0) return false;
} //end else
//Quake2 extra brush side info
if (loadedmaptype == MAPTYPE_QUAKE2)
{
//if (fprintf(fp, " 16777216 128 0") < 0) return false;
} //end if
if (fprintf(fp, "\n") < 0) return false;
} //end for
} //end for
if (fprintf(fp, " }\n") < 0) return false;
c_writtenbrushes++;
return true;
} //end of the function WriteOriginBrush
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
mapbrush_t *GetAreaPortalBrush(entity_t *mapent)
{
int portalnum, bn;
mapbrush_t *brush;
//the area portal number
portalnum = mapent->areaportalnum;
//find the area portal brush in the world brushes
for (bn = 0; bn < nummapbrushes && portalnum; bn++)
{
brush = &mapbrushes[bn];
//must be in world entity
if (brush->entitynum == 0)
{
if (brush->contents & CONTENTS_AREAPORTAL)
{
portalnum--;
} //end if
} //end if
} //end for
if (bn < nummapbrushes)
{
return brush;
} //end if
else
{
Log_Print("area portal %d brush not found\n", mapent->areaportalnum);
return NULL;
} //end else
} //end of the function GetAreaPortalBrush
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
qboolean WriteMapFileSafe(FILE *fp)
{
char key[1024], value[1024];
int i, bn, entitybrushes;
epair_t *ep;
mapbrush_t *brush;
entity_t *mapent;
//vec3_t vec_origin = {0, 0, 0};
//
if (fprintf(fp,"//=====================================================\n"
"//\n"
"// map file created with BSPC "BSPC_VERSION"\n"
"//\n"
"// BSPC is designed to decompile material in which you own the copyright\n"
"// or have obtained permission to decompile from the copyright owner. Unless\n"
"// you own the copyright or have permission to decompile from the copyright\n"
"// owner, you may be violating copyright law and be subject to payment of\n"
"// damages and other remedies. If you are uncertain about your rights, contact\n"
"// your legal advisor.\n"
"//\n") < 0) return false;
if (loadedmaptype == MAPTYPE_SIN)
{
if (fprintf(fp,
"// generic/misc/red is used for unknown textures\n") < 0) return false;
} //end if
if (fprintf(fp,"//\n"
"//=====================================================\n") < 0) return false;
//write out all the entities
for (i = 0; i < num_entities; i++)
{
mapent = &entities[i];
if (!mapent->epairs)
{
continue;
} //end if
if (fprintf(fp, "{\n") < 0) return false;
//
if (loadedmaptype == MAPTYPE_QUAKE3)
{
if (!stricmp(ValueForKey(mapent, "classname"), "light"))
{
SetKeyValue(mapent, "light", "10000");
} //end if
} //end if
//write epairs
for (ep = mapent->epairs; ep; ep = ep->next)
{
strcpy(key, ep->key);
StripTrailing (key);
strcpy(value, ep->value);
StripTrailing(value);
//
if (loadedmaptype == MAPTYPE_QUAKE2 ||
loadedmaptype == MAPTYPE_SIN)
{
//don't write an origin for BSP models
if (mapent->modelnum >= 0 && !strcmp(key, "origin")) continue;
} //end if
//don't write BSP model numbers
if (mapent->modelnum >= 0 && !strcmp(key, "model") && value[0] == '*') continue;
//
if (fprintf(fp, " \"%s\" \"%s\"\n", key, value) < 0) return false;
} //end for
//
if (ValueForKey(mapent, "origin")) GetVectorForKey(mapent, "origin", mapent->origin);
else mapent->origin[0] = mapent->origin[1] = mapent->origin[2] = 0;
//if this is an area portal entity
if (!strcmp("func_areaportal", ValueForKey(mapent, "classname")))
{
brush = GetAreaPortalBrush(mapent);
if (!brush) return false;
if (!WriteMapBrush(fp, brush, mapent->origin)) return false;
} //end if
else
{
entitybrushes = false;
//write brushes
for (bn = 0; bn < nummapbrushes; bn++)
{
brush = &mapbrushes[bn];
//if the brush is part of this entity
if (brush->entitynum == i)
{
//don't write out area portal brushes in the world
if (!((brush->contents & CONTENTS_AREAPORTAL) && brush->entitynum == 0))
{
/*
if (!strcmp("func_door_rotating", ValueForKey(mapent, "classname")))
{
AAS_PositionFuncRotatingBrush(mapent, brush);
if (!WriteMapBrush(fp, brush, vec_origin)) return false;
} //end if
else //*/
{
if (!WriteMapBrush(fp, brush, mapent->origin)) return false;
} //end else
entitybrushes = true;
} //end if
} //end if
} //end for
//if the entity had brushes
if (entitybrushes)
{
//if the entity has an origin set
if (mapent->origin[0] || mapent->origin[1] || mapent->origin[2])
{
if (!WriteOriginBrush(fp, mapent->origin)) return false;
} //end if
} //end if
} //end else
if (fprintf(fp, "}\n") < 0) return false;
} //end for
if (fprintf(fp, "//total of %d brushes\n", c_writtenbrushes) < 0) return false;
return true;
} //end of the function WriteMapFileSafe
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void WriteMapFile(char *filename)
{
FILE *fp;
double start_time;
c_writtenbrushes = 0;
//the time started
start_time = I_FloatTime();
//
Log_Print("writing %s\n", filename);
fp = fopen(filename, "wb");
if (!fp)
{
Log_Print("can't open %s\n", filename);
return;
} //end if
if (!WriteMapFileSafe(fp))
{
fclose(fp);
Log_Print("error writing map file %s\n", filename);
return;
} //end if
fclose(fp);
//display creation time
Log_Print("written %d brushes\n", c_writtenbrushes);
Log_Print("map file written in %5.0f seconds\n", I_FloatTime() - start_time);
} //end of the function WriteMapFile
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void PrintMapInfo(void)
{
Log_Print("\n");
Log_Print("%6i brushes\n", nummapbrushes);
Log_Print("%6i brush sides\n", nummapbrushsides);
// Log_Print("%6i clipbrushes\n", c_clipbrushes);
// Log_Print("%6i total sides\n", nummapbrushsides);
// Log_Print("%6i boxbevels\n", c_boxbevels);
// Log_Print("%6i edgebevels\n", c_edgebevels);
// Log_Print("%6i entities\n", num_entities);
// Log_Print("%6i planes\n", nummapplanes);
// Log_Print("%6i areaportals\n", c_areaportals);
// Log_Print("%6i squatt brushes\n", c_squattbrushes);
// Log_Print("size: %5.0f,%5.0f,%5.0f to %5.0f,%5.0f,%5.0f\n", map_mins[0],map_mins[1],map_mins[2],
// map_maxs[0],map_maxs[1],map_maxs[2]);
} //end of the function PrintMapInfo
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void ResetMapLoading(void)
{
int i;
epair_t *ep, *nextep;
Q2_ResetMapLoading();
Sin_ResetMapLoading();
//free all map brush side windings
for (i = 0; i < nummapbrushsides; i++)
{
if (brushsides[i].winding)
{
FreeWinding(brushsides[i].winding);
} //end for
} //end for
//reset regular stuff
nummapbrushes = 0;
memset(mapbrushes, 0, MAX_MAPFILE_BRUSHES * sizeof(mapbrush_t));
//
nummapbrushsides = 0;
memset(brushsides, 0, MAX_MAPFILE_BRUSHSIDES * sizeof(side_t));
memset(side_brushtextures, 0, MAX_MAPFILE_BRUSHSIDES * sizeof(brush_texture_t));
//
nummapplanes = 0;
memset(mapplanes, 0, MAX_MAPFILE_PLANES * sizeof(plane_t));
//
memset(planehash, 0, PLANE_HASHES * sizeof(plane_t *));
//
memset(map_texinfo, 0, MAX_MAPFILE_TEXINFO * sizeof(map_texinfo_t));
map_numtexinfo = 0;
//
VectorClear(map_mins);
VectorClear(map_maxs);
//
c_boxbevels = 0;
c_edgebevels = 0;
c_areaportals = 0;
c_clipbrushes = 0;
c_writtenbrushes = 0;
//clear the entities
for (i = 0; i < num_entities; i++)
{
for (ep = entities[i].epairs; ep; ep = nextep)
{
nextep = ep->next;
FreeMemory(ep->key);
FreeMemory(ep->value);
FreeMemory(ep);
} //end for
} //end for
num_entities = 0;
memset(entities, 0, MAX_MAP_ENTITIES * sizeof(entity_t));
} //end of the function ResetMapLoading
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
#ifndef Q1_BSPVERSION
#define Q1_BSPVERSION 29
#endif
#ifndef HL_BSPVERSION
#define HL_BSPVERSION 30
#endif
#define Q2_BSPHEADER (('P'<<24)+('S'<<16)+('B'<<8)+'I') //IBSP
#define Q2_BSPVERSION 38
#define SINGAME_BSPHEADER (('P'<<24)+('S'<<16)+('B'<<8)+'R') //RBSP
#define SINGAME_BSPVERSION 1
#define SIN_BSPHEADER (('P'<<24)+('S'<<16)+('B'<<8)+'I') //IBSP
#define SIN_BSPVERSION 41
typedef struct
{
int ident;
int version;
} idheader_t;
int LoadMapFromBSP(struct quakefile_s *qf)
{
idheader_t idheader;
if (ReadQuakeFile(qf, &idheader, 0, sizeof(idheader_t)) != sizeof(idheader_t))
{
return false;
} //end if
idheader.ident = LittleLong(idheader.ident);
idheader.version = LittleLong(idheader.version);
//Quake3 BSP file
if (idheader.ident == Q3_BSP_IDENT && idheader.version == Q3_BSP_VERSION)
{
ResetMapLoading();
Q3_LoadMapFromBSP(qf);
Q3_FreeMaxBSP();
} //end if
//Quake2 BSP file
else if (idheader.ident == Q2_BSPHEADER && idheader.version == Q2_BSPVERSION)
{
ResetMapLoading();
Q2_AllocMaxBSP();
Q2_LoadMapFromBSP(qf->filename, qf->offset, qf->length);
Q2_FreeMaxBSP();
} //endif
//Sin BSP file
else if ((idheader.ident == SIN_BSPHEADER && idheader.version == SIN_BSPVERSION) ||
//the dorks gave the same format another ident and verions
(idheader.ident == SINGAME_BSPHEADER && idheader.version == SINGAME_BSPVERSION))
{
ResetMapLoading();
Sin_AllocMaxBSP();
Sin_LoadMapFromBSP(qf->filename, qf->offset, qf->length);
Sin_FreeMaxBSP();
} //end if
//the Quake1 bsp files don't have a ident only a version
else if (idheader.ident == Q1_BSPVERSION)
{
ResetMapLoading();
Q1_AllocMaxBSP();
Q1_LoadMapFromBSP(qf->filename, qf->offset, qf->length);
Q1_FreeMaxBSP();
} //end if
//Half-Life also only uses a version number
else if (idheader.ident == HL_BSPVERSION)
{
ResetMapLoading();
HL_AllocMaxBSP();
HL_LoadMapFromBSP(qf->filename, qf->offset, qf->length);
HL_FreeMaxBSP();
} //end if
else
{
Error("unknown BSP format %c%c%c%c, version %d\n",
(idheader.ident & 0xFF),
((idheader.ident >> 8) & 0xFF),
((idheader.ident >> 16) & 0xFF),
((idheader.ident >> 24) & 0xFF), idheader.version);
return false;
} //end if
//
return true;
} //end of the function LoadMapFromBSP
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