--- /dev/null
+/*
+===========================================================================
+Copyright (C) 1997-2006 Id Software, Inc.
+
+This file is part of Quake 2 Tools source code.
+
+Quake 2 Tools 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 2 Tools 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 Quake 2 Tools source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+===========================================================================
+*/
+
+#include "cmdlib.h"
+#include "mathlib.h"
+#include "scriplib.h"
+#include "polylib.h"
+#include "threads.h"
+#include "bspfile.h"
+
+#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);
+
+//=============================================================================
+
+// 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);
projects / xonotic / netradiant.git / blobdiff