gtkradiant/tools/quake2/q2map/qbsp.h
Forest Hale 88cea027e6 ported over the 1.5 branch version of q3map2 which is newer
made Visual Studio files work in VS2005 Express
fixed a ton of warnings in VS2005 Express
fixed some compile problems on OpenSUSE 11.0


git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/trunk@302 8a3a26a2-13c4-0310-b231-cf6edde360e5
2008-07-25 07:31:37 +00:00

390 lines
9.2 KiB
C

/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Files:
brushbsp.c
csg.c
faces.c
gldraw.c
glfile.c
leakfile.c
map.c
nodraw.c
portals.c
prtfile.c
qbsp3.c
textures.c
tree.c
writebsp.c
*/
#include "cmdlib.h"
#include "mathlib.h"
#include "scriplib.h"
#include "polylib.h"
#include "q2_threads.h"
#include "bspfile.h"
#include "inout.h"
#ifdef WIN32
#ifdef NDEBUG // Don't show in a Release build
#pragma warning(disable : 4305) // truncate from double to float
#pragma warning(disable : 4244) // conversion from double to float
#pragma warning(disable : 4018) // signed/unsigned mismatch
#endif
#endif
#define MAX_BRUSH_SIDES 128
#define CLIP_EPSILON 0.1
#define BOGUS_RANGE 8192
#define TEXINFO_NODE -1 // side is allready on a node
typedef struct plane_s
{
vec3_t normal;
vec_t dist;
int type;
struct plane_s *hash_chain;
} plane_t;
typedef struct
{
vec_t shift[2];
vec_t rotate;
vec_t scale[2];
char name[32];
int flags;
int value;
} brush_texture_t;
typedef struct side_s
{
int planenum;
int texinfo;
winding_t *winding;
struct side_s *original; // bspbrush_t sides will reference the mapbrush_t sides
int contents; // from miptex
int surf; // from miptex
qboolean visible; // choose visble planes first
qboolean tested; // this plane allready checked as a split
qboolean bevel; // don't ever use for bsp splitting
} side_t;
typedef struct brush_s
{
int entitynum;
int brushnum;
int contents;
vec3_t mins, maxs;
int numsides;
side_t *original_sides;
} mapbrush_t;
#define PLANENUM_LEAF -1
#define MAXEDGES 20
typedef struct face_s
{
struct face_s *next; // on node
// the chain of faces off of a node can be merged or split,
// but each face_t along the way will remain in the chain
// until the entire tree is freed
struct face_s *merged; // if set, this face isn't valid anymore
struct face_s *split[2]; // if set, this face isn't valid anymore
struct portal_s *portal;
int texinfo;
int planenum;
int contents; // faces in different contents can't merge
int outputnumber;
winding_t *w;
int numpoints;
qboolean badstartvert; // tjunctions cannot be fixed without a midpoint vertex
int vertexnums[MAXEDGES];
} face_t;
typedef struct bspbrush_s
{
struct bspbrush_s *next;
vec3_t mins, maxs;
int side, testside; // side of node during construction
mapbrush_t *original;
int numsides;
side_t sides[6]; // variably sized
} bspbrush_t;
#define MAX_NODE_BRUSHES 8
typedef struct node_s
{
// both leafs and nodes
int planenum; // -1 = leaf node
struct node_s *parent;
vec3_t mins, maxs; // valid after portalization
bspbrush_t *volume; // one for each leaf/node
// nodes only
qboolean detail_seperator; // a detail brush caused the split
side_t *side; // the side that created the node
struct node_s *children[2];
face_t *faces;
// leafs only
bspbrush_t *brushlist; // fragments of all brushes in this leaf
int contents; // OR of all brush contents
int occupied; // 1 or greater can reach entity
entity_t *occupant; // for leak file testing
int cluster; // for portalfile writing
int area; // for areaportals
struct portal_s *portals; // also on nodes during construction
} node_t;
typedef struct portal_s
{
plane_t plane;
node_t *onnode; // NULL = outside box
node_t *nodes[2]; // [0] = front side of plane
struct portal_s *next[2];
winding_t *winding;
qboolean sidefound; // false if ->side hasn't been checked
side_t *side; // NULL = non-visible
face_t *face[2]; // output face in bsp file
} portal_t;
typedef struct
{
node_t *headnode;
node_t outside_node;
vec3_t mins, maxs;
} tree_t;
extern int entity_num;
extern plane_t mapplanes[MAX_MAP_PLANES];
extern int nummapplanes;
extern int nummapbrushes;
extern mapbrush_t mapbrushes[MAX_MAP_BRUSHES];
extern vec3_t map_mins, map_maxs;
#define MAX_MAP_SIDES (MAX_MAP_BRUSHES*6)
extern int nummapbrushsides;
extern side_t brushsides[MAX_MAP_SIDES];
extern qboolean noprune;
extern qboolean nodetail;
extern qboolean fulldetail;
extern qboolean nomerge;
extern qboolean nosubdiv;
extern qboolean nowater;
extern qboolean noweld;
extern qboolean noshare;
extern qboolean notjunc;
extern vec_t microvolume;
extern char outbase[32];
extern char source[1024];
void LoadMapFile (char *filename);
int FindFloatPlane (vec3_t normal, vec_t dist);
//=============================================================================
// textures.c
typedef struct
{
char name[64];
int flags;
int value;
int contents;
char animname[64];
} textureref_t;
#define MAX_MAP_TEXTURES 1024
extern textureref_t textureref[MAX_MAP_TEXTURES];
int FindMiptex (char *name);
int TexinfoForBrushTexture (plane_t *plane, brush_texture_t *bt, vec3_t origin);
//=============================================================================
void FindGCD (int *v);
mapbrush_t *Brush_LoadEntity (entity_t *ent);
int PlaneTypeForNormal (vec3_t normal);
qboolean MakeBrushPlanes (mapbrush_t *b);
int FindIntPlane (int *inormal, int *iorigin);
void CreateBrush (int brushnum);
//=============================================================================
// draw.c
extern vec3_t draw_mins, draw_maxs;
extern qboolean drawflag;
void Draw_ClearWindow (void);
void DrawWinding (winding_t *w);
void GLS_BeginScene (void);
void GLS_Winding (winding_t *w, int code);
void GLS_EndScene (void);
//=============================================================================
// csg
bspbrush_t *MakeBspBrushList (int startbrush, int endbrush,
vec3_t clipmins, vec3_t clipmaxs);
bspbrush_t *ChopBrushes (bspbrush_t *head);
bspbrush_t *InitialBrushList (bspbrush_t *list);
bspbrush_t *OptimizedBrushList (bspbrush_t *list);
void WriteBrushMap (char *name, bspbrush_t *list);
//=============================================================================
// brushbsp
void WriteBrushList (char *name, bspbrush_t *brush, qboolean onlyvis);
bspbrush_t *CopyBrush (bspbrush_t *brush);
void SplitBrush (bspbrush_t *brush, int planenum,
bspbrush_t **front, bspbrush_t **back);
tree_t *AllocTree (void);
node_t *AllocNode (void);
bspbrush_t *AllocBrush (int numsides);
int CountBrushList (bspbrush_t *brushes);
void FreeBrush (bspbrush_t *brushes);
vec_t BrushVolume (bspbrush_t *brush);
void BoundBrush (bspbrush_t *brush);
void FreeBrushList (bspbrush_t *brushes);
tree_t *BrushBSP (bspbrush_t *brushlist, vec3_t mins, vec3_t maxs);
//=============================================================================
// portals.c
int VisibleContents (int contents);
void MakeHeadnodePortals (tree_t *tree);
void MakeNodePortal (node_t *node);
void SplitNodePortals (node_t *node);
qboolean Portal_VisFlood (portal_t *p);
qboolean FloodEntities (tree_t *tree);
void FillOutside (node_t *headnode);
void FloodAreas (tree_t *tree);
void MarkVisibleSides (tree_t *tree, int start, int end);
void FreePortal (portal_t *p);
void EmitAreaPortals (node_t *headnode);
void MakeTreePortals (tree_t *tree);
//=============================================================================
// glfile.c
void OutputWinding (winding_t *w, FILE *glview);
void WriteGLView (tree_t *tree, char *source);
//=============================================================================
// leakfile.c
//void LeakFile (tree_t *tree);
xmlNodePtr LeakFile (tree_t *tree);
//=============================================================================
// prtfile.c
void WritePortalFile (tree_t *tree);
//=============================================================================
// writebsp.c
void SetModelNumbers (void);
void SetLightStyles (void);
void BeginBSPFile (void);
void WriteBSP (node_t *headnode);
void EndBSPFile (void);
void BeginModel (void);
void EndModel (void);
//=============================================================================
// faces.c
void MakeFaces (node_t *headnode);
void FixTjuncs (node_t *headnode);
int GetEdge2 (int v1, int v2, face_t *f);
face_t *AllocFace (void);
void FreeFace (face_t *f);
void MergeNodeFaces (node_t *node);
//=============================================================================
// tree.c
void FreeTree (tree_t *tree);
void FreeTree_r (node_t *node);
void PrintTree_r (node_t *node, int depth);
void FreeTreePortals_r (node_t *node);
void PruneNodes_r (node_t *node);
void PruneNodes (node_t *node);
//=============================================================================
// externs
extern char *mapname;
extern char game[64];