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ioq3/code/bspc/map_q2.c

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/*
===========================================================================
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
===========================================================================
*/
//===========================================================================
// ANSI, Area Navigational System Interface
// AAS, Area Awareness System
//===========================================================================
#include "qbsp.h"
#include "l_mem.h"
#include "../botlib/aasfile.h" //aas_bbox_t
#include "aas_store.h" //AAS_MAX_BBOXES
#include "aas_cfg.h"
#include "aas_map.h" //AAS_CreateMapBrushes
#include "l_bsp_q2.h"
#ifdef ME
#define NODESTACKSIZE 1024
int nodestack[NODESTACKSIZE];
int *nodestackptr;
int nodestacksize = 0;
int brushmodelnumbers[MAX_MAPFILE_BRUSHES];
int dbrushleafnums[MAX_MAPFILE_BRUSHES];
int dplanes2mapplanes[MAX_MAPFILE_PLANES];
#endif //ME
//====================================================================
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void Q2_CreateMapTexinfo(void)
{
int i;
for (i = 0; i < numtexinfo; i++)
{
memcpy(map_texinfo[i].vecs, texinfo[i].vecs, sizeof(float) * 2 * 4);
map_texinfo[i].flags = texinfo[i].flags;
map_texinfo[i].value = texinfo[i].value;
strcpy(map_texinfo[i].texture, texinfo[i].texture);
map_texinfo[i].nexttexinfo = 0;
} //end for
} //end of the function Q2_CreateMapTexinfo
/*
===========
Q2_BrushContents
===========
*/
int Q2_BrushContents (mapbrush_t *b)
{
int contents;
side_t *s;
int i;
int trans;
s = &b->original_sides[0];
contents = s->contents;
trans = texinfo[s->texinfo].flags;
for (i = 1; i < b->numsides; i++, s++)
{
s = &b->original_sides[i];
trans |= texinfo[s->texinfo].flags;
if (s->contents != contents)
{
Log_Print("Entity %i, Brush %i: mixed face contents\n"
, b->entitynum, b->brushnum);
Log_Print("texture name = %s\n", texinfo[s->texinfo].texture);
break;
}
}
// if any side is translucent, mark the contents
// and change solid to window
if ( trans & (SURF_TRANS33|SURF_TRANS66) )
{
contents |= CONTENTS_Q2TRANSLUCENT;
if (contents & CONTENTS_SOLID)
{
contents &= ~CONTENTS_SOLID;
contents |= CONTENTS_WINDOW;
}
}
return contents;
}
#ifdef ME
#define BBOX_NORMAL_EPSILON 0.0001
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void MakeAreaPortalBrush(mapbrush_t *brush)
{
int sn;
side_t *s;
brush->contents = CONTENTS_AREAPORTAL;
for (sn = 0; sn < brush->numsides; sn++)
{
s = brush->original_sides + sn;
//make sure the surfaces are not hint or skip
s->surf &= ~(SURF_HINT|SURF_SKIP);
//
s->texinfo = 0;
s->contents = CONTENTS_AREAPORTAL;
} //end for
} //end of the function MakeAreaPortalBrush
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void DPlanes2MapPlanes(void)
{
int i;
for (i = 0; i < numplanes; i++)
{
dplanes2mapplanes[i] = FindFloatPlane(dplanes[i].normal, dplanes[i].dist);
} //end for
} //end of the function DPlanes2MapPlanes
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void MarkVisibleBrushSides(mapbrush_t *brush)
{
int n, i, planenum;
side_t *side;
dface_t *face;
//
for (n = 0; n < brush->numsides; n++)
{
side = brush->original_sides + n;
//if this side is a bevel or the leaf number of the brush is unknown
if ((side->flags & SFL_BEVEL) || brush->leafnum < 0)
{
//this side is a valid splitter
side->flags |= SFL_VISIBLE;
continue;
} //end if
//assum this side will not be used as a splitter
side->flags &= ~SFL_VISIBLE;
//check if the side plane is used by a visible face
for (i = 0; i < numfaces; i++)
{
face = &dfaces[i];
planenum = dplanes2mapplanes[face->planenum];
if ((planenum & ~1) == (side->planenum & ~1))
{
//this side is a valid splitter
side->flags |= SFL_VISIBLE;
} //end if
} //end for
} //end for
} //end of the function MarkVisibleBrushSides
#endif //ME
/*
=================
Q2_ParseBrush
=================
*/
void Q2_ParseBrush (script_t *script, entity_t *mapent)
{
mapbrush_t *b;
int i, j, k;
int mt;
side_t *side, *s2;
int planenum;
brush_texture_t td;
int planepts[3][3];
token_t token;
if (nummapbrushes >= MAX_MAPFILE_BRUSHES)
Error ("nummapbrushes == MAX_MAPFILE_BRUSHES");
b = &mapbrushes[nummapbrushes];
b->original_sides = &brushsides[nummapbrushsides];
b->entitynum = num_entities-1;
b->brushnum = nummapbrushes - mapent->firstbrush;
b->leafnum = -1;
do
{
if (!PS_ReadToken(script, &token))
break;
if (!strcmp(token.string, "}") )
break;
//IDBUG: mixed use of MAX_MAPFILE_? and MAX_MAP_? this could
// lead to out of bound indexing of the arrays
if (nummapbrushsides >= MAX_MAPFILE_BRUSHSIDES)
Error ("MAX_MAPFILE_BRUSHSIDES");
side = &brushsides[nummapbrushsides];
//read the three point plane definition
for (i = 0; i < 3; i++)
{
if (i != 0) PS_ExpectTokenString(script, "(");
for (j = 0; j < 3; j++)
{
PS_ExpectAnyToken(script, &token);
planepts[i][j] = atof(token.string);
} //end for
PS_ExpectTokenString(script, ")");
} //end for
//
//read the texturedef
//
PS_ExpectAnyToken(script, &token);
strcpy(td.name, token.string);
PS_ExpectAnyToken(script, &token);
td.shift[0] = atol(token.string);
PS_ExpectAnyToken(script, &token);
td.shift[1] = atol(token.string);
PS_ExpectAnyToken(script, &token);
td.rotate = atol(token.string);
PS_ExpectAnyToken(script, &token);
td.scale[0] = atof(token.string);
PS_ExpectAnyToken(script, &token);
td.scale[1] = atof(token.string);
//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;
//check if there's a number available
if (PS_CheckTokenType(script, TT_NUMBER, 0, &token))
{
side->contents = token.intvalue;
PS_ExpectTokenType(script, TT_NUMBER, 0, &token);
side->surf = td.flags = token.intvalue;
PS_ExpectTokenType(script, TT_NUMBER, 0, &token);
td.value = token.intvalue;
}
// 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 (fulldetail)
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;
}
#ifdef ME
//for creating AAS... this side is textured
side->flags |= SFL_TEXTURED;
#endif //ME
//
// find the plane number
//
planenum = PlaneFromPoints (planepts[0], planepts[1], planepts[2]);
if (planenum == -1)
{
Log_Print("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)
{
Log_Print("Entity %i, Brush %i: duplicate plane\n"
, b->entitynum, b->brushnum);
break;
}
if ( s2->planenum == (planenum^1) )
{
Log_Print("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 = Q2_BrushContents (b);
#ifdef ME
if (BrushExists(b))
{
c_squattbrushes++;
b->numsides = 0;
return;
} //end if
if (create_aas)
{
//create AAS brushes, and add brush bevels
AAS_CreateMapBrushes(b, mapent, true);
//NOTE: if we return here then duplicate plane errors occur for the non world entities
return;
} //end if
#endif //ME
// allow detail brushes to be removed
if (nodetail && (b->contents & CONTENTS_DETAIL) )
{
b->numsides = 0;
return;
}
// allow water brushes to be removed
if (nowater && (b->contents & (CONTENTS_LAVA | CONTENTS_SLIME | CONTENTS_WATER)) )
{
b->numsides = 0;
return;
}
// 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 origin;
if (num_entities == 1)
{
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);
sprintf (string, "%i %i %i", (int)origin[0], (int)origin[1], (int)origin[2]);
SetKeyValue (&entities[b->entitynum], "origin", string);
VectorCopy (origin, entities[b->entitynum].origin);
// don't keep this brush
b->numsides = 0;
return;
}
AddBrushBevels(b);
nummapbrushes++;
mapent->numbrushes++;
}
/*
================
Q2_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 Q2_MoveBrushesToWorld (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 = GetMemory(newbrushes*sizeof(mapbrush_t));
memcpy (temp, mapbrushes + mapent->firstbrush, newbrushes*sizeof(mapbrush_t));
#if 0 // let them keep their original brush numbers
for (i=0 ; i<newbrushes ; i++)
temp[i].entitynum = 0;
#endif
// 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;
FreeMemory(temp);
mapent->numbrushes = 0;
}
/*
================
Q2_ParseMapEntity
================
*/
qboolean Q2_ParseMapEntity(script_t *script)
{
entity_t *mapent;
epair_t *e;
side_t *s;
int i, j;
int startbrush, startsides;
vec_t newdist;
mapbrush_t *b;
token_t token;
if (!PS_ReadToken(script, &token)) return false;
if (strcmp(token.string, "{") )
Error ("ParseEntity: { not found");
if (num_entities == MAX_MAP_ENTITIES)
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 (!PS_ReadToken(script, &token))
{
Error("ParseEntity: EOF without closing brace");
} //end if
if (!strcmp(token.string, "}")) break;
if (!strcmp(token.string, "{"))
{
Q2_ParseBrush(script, mapent);
} //end if
else
{
PS_UnreadLastToken(script);
e = ParseEpair(script);
e->next = mapent->epairs;
mapent->epairs = e;
} //end else
} 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")))
{
Q2_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)
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);
Q2_MoveBrushesToWorld (mapent);
return true;
}
return true;
}
//===================================================================
/*
================
LoadMapFile
================
*/
void Q2_LoadMapFile(char *filename)
{
int i;
script_t *script;
Log_Print("-- Q2_LoadMapFile --\n");
#ifdef ME
//loaded map type
loadedmaptype = MAPTYPE_QUAKE2;
//reset the map loading
ResetMapLoading();
#endif //ME
script = LoadScriptFile(filename);
if (!script)
{
Log_Print("couldn't open %s\n", filename);
return;
} //end if
//white spaces and escape characters inside a string are not allowed
SetScriptFlags(script, SCFL_NOSTRINGWHITESPACES |
SCFL_NOSTRINGESCAPECHARS |
SCFL_PRIMITIVE);
nummapbrushsides = 0;
num_entities = 0;
while (Q2_ParseMapEntity(script))
{
}
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);
} //end for
PrintMapInfo();
//free the script
FreeScript(script);
// TestExpandBrushes ();
//
Q2_CreateMapTexinfo();
} //end of the function Q2_LoadMapFile
#ifdef ME //Begin MAP loading from BSP file
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void Q2_SetLeafBrushesModelNumbers(int leafnum, int modelnum)
{
int i, brushnum;
dleaf_t *leaf;
leaf = &dleafs[leafnum];
for (i = 0; i < leaf->numleafbrushes; i++)
{
brushnum = dleafbrushes[leaf->firstleafbrush + i];
brushmodelnumbers[brushnum] = modelnum;
dbrushleafnums[brushnum] = leafnum;
} //end for
} //end of the function Q2_SetLeafBrushesModelNumbers
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void Q2_InitNodeStack(void)
{
nodestackptr = nodestack;
nodestacksize = 0;
} //end of the function Q2_InitNodeStack
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void Q2_PushNodeStack(int num)
{
*nodestackptr = num;
nodestackptr++;
nodestacksize++;
//
if (nodestackptr >= &nodestack[NODESTACKSIZE])
{
Error("Q2_PushNodeStack: stack overflow\n");
} //end if
} //end of the function Q2_PushNodeStack
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int Q2_PopNodeStack(void)
{
//if the stack is empty
if (nodestackptr <= nodestack) return -1;
//decrease stack pointer
nodestackptr--;
nodestacksize--;
//return the top value from the stack
return *nodestackptr;
} //end of the function Q2_PopNodeStack
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void Q2_SetBrushModelNumbers(entity_t *mapent)
{
int n, pn;
int leafnum;
//
Q2_InitNodeStack();
//head node (root) of the bsp tree
n = dmodels[mapent->modelnum].headnode;
pn = 0;
do
{
//if we are in a leaf (negative node number)
if (n < 0)
{
//number of the leaf
leafnum = (-n) - 1;
//set the brush numbers
Q2_SetLeafBrushesModelNumbers(leafnum, mapent->modelnum);
//walk back into the tree to find a second child to continue with
for (pn = Q2_PopNodeStack(); pn >= 0; n = pn, pn = Q2_PopNodeStack())
{
//if we took the first child at the parent node
if (dnodes[pn].children[0] == n) break;
} //end for
//if the stack wasn't empty (if not processed whole tree)
if (pn >= 0)
{
//push the parent node again
Q2_PushNodeStack(pn);
//we proceed with the second child of the parent node
n = dnodes[pn].children[1];
} //end if
} //end if
else
{
//push the current node onto the stack
Q2_PushNodeStack(n);
//walk forward into the tree to the first child
n = dnodes[n].children[0];
} //end else
} while(pn >= 0);
} //end of the function Q2_SetBrushModelNumbers
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void Q2_BSPBrushToMapBrush(dbrush_t *bspbrush, entity_t *mapent)
{
mapbrush_t *b;
int i, k, n;
side_t *side, *s2;
int planenum;
dbrushside_t *bspbrushside;
dplane_t *bspplane;
if (nummapbrushes >= MAX_MAPFILE_BRUSHES)
Error ("nummapbrushes >= MAX_MAPFILE_BRUSHES");
b = &mapbrushes[nummapbrushes];
b->original_sides = &brushsides[nummapbrushsides];
b->entitynum = mapent-entities;
b->brushnum = nummapbrushes - mapent->firstbrush;
b->leafnum = dbrushleafnums[bspbrush - dbrushes];
for (n = 0; n < bspbrush->numsides; n++)
{
//pointer to the bsp brush side
bspbrushside = &dbrushsides[bspbrush->firstside + n];
if (nummapbrushsides >= MAX_MAPFILE_BRUSHSIDES)
{
Error ("MAX_MAPFILE_BRUSHSIDES");
} //end if
//pointer to the map brush side
side = &brushsides[nummapbrushsides];
//if the BSP brush side is textured
if (brushsidetextured[bspbrush->firstside + n]) side->flags |= SFL_TEXTURED;
else side->flags &= ~SFL_TEXTURED;
//ME: can get side contents and surf directly from BSP file
side->contents = bspbrush->contents;
//if the texinfo is TEXINFO_NODE
if (bspbrushside->texinfo < 0) side->surf = 0;
else side->surf = texinfo[bspbrushside->texinfo].flags;
// 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 (fulldetail)
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;
}
//ME: get a plane for this side
bspplane = &dplanes[bspbrushside->planenum];
planenum = FindFloatPlane(bspplane->normal, bspplane->dist);
//
// see if the plane has been used already
//
//ME: this really shouldn't happen!!!
//ME: otherwise the bsp file is corrupted??
//ME: still it seems to happen, maybe Johny Boy's
//ME: brush bevel adding is crappy ?
for (k = 0; k < b->numsides; k++)
{
s2 = b->original_sides + k;
// if (DotProduct (mapplanes[s2->planenum].normal, mapplanes[planenum].normal) > 0.999
// && fabs(mapplanes[s2->planenum].dist - mapplanes[planenum].dist) < 0.01 )
if (s2->planenum == planenum)
{
Log_Print("Entity %i, Brush %i: duplicate plane\n"
, b->entitynum, b->brushnum);
break;
}
if ( s2->planenum == (planenum^1) )
{
Log_Print("Entity %i, Brush %i: mirrored plane\n"
, b->entitynum, b->brushnum);
break;
}
}
if (k != b->numsides)
continue; // duplicated
//
// keep this side
//
//ME: reset pointer to side, why? hell I dunno (pointer is set above already)
side = b->original_sides + b->numsides;
//ME: store the plane number
side->planenum = planenum;
//ME: texinfo is already stored when bsp is loaded
//NOTE: check for TEXINFO_NODE, otherwise crash in Q2_BrushContents
if (bspbrushside->texinfo < 0) side->texinfo = 0;
else side->texinfo = bspbrushside->texinfo;
// save the td off in case there is an origin brush and we
// have to recalculate the texinfo
// ME: don't need to recalculate because it's already done
// (for non-world entities) in the BSP file
// side_brushtextures[nummapbrushsides] = td;
nummapbrushsides++;
b->numsides++;
} //end for
// get the content for the entire brush
b->contents = bspbrush->contents;
Q2_BrushContents(b);
if (BrushExists(b))
{
c_squattbrushes++;
b->numsides = 0;
return;
} //end if
//if we're creating AAS
if (create_aas)
{
//create the AAS brushes from this brush, don't add brush bevels
AAS_CreateMapBrushes(b, mapent, false);
return;
} //end if
// allow detail brushes to be removed
if (nodetail && (b->contents & CONTENTS_DETAIL) )
{
b->numsides = 0;
return;
} //end if
// allow water brushes to be removed
if (nowater && (b->contents & (CONTENTS_LAVA | CONTENTS_SLIME | CONTENTS_WATER)) )
{
b->numsides = 0;
return;
} //end if
// create windings for sides and bounds for brush
MakeBrushWindings(b);
//mark brushes without winding or with a tiny window as bevels
MarkBrushBevels(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;
} //end for
//
// 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
//
//ME: not needed because the entities in the BSP file already
// have an origin set
// if (b->contents & CONTENTS_ORIGIN)
// {
// char string[32];
// vec3_t origin;
//
// if (num_entities == 1)
// {
// 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);
//
// sprintf (string, "%i %i %i", (int)origin[0], (int)origin[1], (int)origin[2]);
// SetKeyValue (&entities[b->entitynum], "origin", string);
//
// VectorCopy (origin, entities[b->entitynum].origin);
//
// // don't keep this brush
// b->numsides = 0;
//
// return;
// }
//ME: the bsp brushes already have bevels, so we won't try to
// add them again (especially since Johny Boy's bevel adding might
// be crappy)
// AddBrushBevels(b);
nummapbrushes++;
mapent->numbrushes++;
} //end of the function Q2_BSPBrushToMapBrush
//===========================================================================
//===========================================================================
void Q2_ParseBSPBrushes(entity_t *mapent)
{
int i;
//give all the brushes that belong to this entity the number of the
//BSP model used by this entity
Q2_SetBrushModelNumbers(mapent);
//now parse all the brushes with the correct mapent->modelnum
for (i = 0; i < numbrushes; i++)
{
if (brushmodelnumbers[i] == mapent->modelnum)
{
Q2_BSPBrushToMapBrush(&dbrushes[i], mapent);
} //end if
} //end for
} //end of the function Q2_ParseBSPBrushes
//===========================================================================
//===========================================================================
qboolean Q2_ParseBSPEntity(int entnum)
{
entity_t *mapent;
char *model;
int startbrush, startsides;
startbrush = nummapbrushes;
startsides = nummapbrushsides;
mapent = &entities[entnum];//num_entities];
mapent->firstbrush = nummapbrushes;
mapent->numbrushes = 0;
mapent->modelnum = -1; //-1 = no model
model = ValueForKey(mapent, "model");
if (model && strlen(model))
{
if (*model != '*')
{
Error("Q2_ParseBSPEntity: model number without leading *");
} //end if
//get the model number of this entity (skip the leading *)
mapent->modelnum = atoi(&model[1]);
} //end if
GetVectorForKey(mapent, "origin", mapent->origin);
//if this is the world entity it has model number zero
//the world entity has no model key
if (!strcmp("worldspawn", ValueForKey(mapent, "classname")))
{
mapent->modelnum = 0;
} //end if
//if the map entity has a BSP model (a modelnum of -1 is used for
//entities that aren't using a BSP model)
if (mapent->modelnum >= 0)
{
//parse the bsp brushes
Q2_ParseBSPBrushes(mapent);
} //end if
//
//the origin of the entity is already taken into account
//
//func_group entities can't be in the bsp file
//
//check out the func_areaportal entities
if (!strcmp ("func_areaportal", ValueForKey (mapent, "classname")))
{
c_areaportals++;
mapent->areaportalnum = c_areaportals;
return true;
} //end if
return true;
} //end of the function Q2_ParseBSPEntity
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void Q2_LoadMapFromBSP(char *filename, int offset, int length)
{
int i;
Log_Print("-- Q2_LoadMapFromBSP --\n");
//loaded map type
loadedmaptype = MAPTYPE_QUAKE2;
Log_Print("Loading map from %s...\n", filename);
//load the bsp file
Q2_LoadBSPFile(filename, offset, length);
//create an index from bsp planes to map planes
//DPlanes2MapPlanes();
//clear brush model numbers
for (i = 0; i < MAX_MAPFILE_BRUSHES; i++)
brushmodelnumbers[i] = -1;
nummapbrushsides = 0;
num_entities = 0;
Q2_ParseEntities();
//
for (i = 0; i < num_entities; i++)
{
Q2_ParseBSPEntity(i);
} //end for
//get the map mins and maxs from the world model
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);
} //end for
PrintMapInfo();
//
Q2_CreateMapTexinfo();
} //end of the function Q2_LoadMapFromBSP
void Q2_ResetMapLoading(void)
{
//reset for map loading from bsp
memset(nodestack, 0, NODESTACKSIZE * sizeof(int));
nodestackptr = NULL;
nodestacksize = 0;
memset(brushmodelnumbers, 0, MAX_MAPFILE_BRUSHES * sizeof(int));
} //end of the function Q2_ResetMapLoading
//End MAP loading from BSP file
#endif //ME
//====================================================================
/*
================
TestExpandBrushes
Expands all the brush planes and saves a new map out
================
*/
void TestExpandBrushes (void)
{
FILE *f;
side_t *s;
int i, j, bn;
winding_t *w;
char *name = "expanded.map";
mapbrush_t *brush;
vec_t dist;
Log_Print("writing %s\n", name);
f = fopen (name, "wb");
if (!f)
Error ("Can't write %s\n", name);
fprintf (f, "{\n\"classname\" \"worldspawn\"\n");
for (bn=0 ; bn<nummapbrushes ; bn++)
{
brush = &mapbrushes[bn];
fprintf (f, "{\n");
for (i=0 ; i<brush->numsides ; i++)
{
s = brush->original_sides + i;
dist = mapplanes[s->planenum].dist;
for (j=0 ; j<3 ; j++)
dist += fabs( 16 * mapplanes[s->planenum].normal[j] );
w = BaseWindingForPlane (mapplanes[s->planenum].normal, dist);
fprintf (f,"( %i %i %i ) ", (int)w->p[0][0], (int)w->p[0][1], (int)w->p[0][2]);
fprintf (f,"( %i %i %i ) ", (int)w->p[1][0], (int)w->p[1][1], (int)w->p[1][2]);
fprintf (f,"( %i %i %i ) ", (int)w->p[2][0], (int)w->p[2][1], (int)w->p[2][2]);
fprintf (f, "%s 0 0 0 1 1\n", texinfo[s->texinfo].texture);
FreeWinding (w);
}
fprintf (f, "}\n");
}
fprintf (f, "}\n");
fclose (f);
Error ("can't proceed after expanding brushes");
} //end of the function TestExpandBrushes
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