--- /dev/null
+
+#include "mathlib.h"
+
+#define LUMP_ENTITIES 0
+#define LUMP_SHADERS 1
+#define LUMP_PLANES 2
+#define LUMP_NODES 3
+#define LUMP_LEAFS 4
+#define LUMP_LEAFSURFACES 5
+#define LUMP_LEAFBRUSHES 6
+#define LUMP_MODELS 7
+#define LUMP_BRUSHES 8
+#define LUMP_BRUSHSIDES 9
+#define LUMP_DRAWVERTS 10
+#define LUMP_DRAWINDEXES 11
+#define LUMP_FOGS 12
+#define LUMP_SURFACES 13
+#define LUMP_LIGHTMAPS 14
+#define LUMP_LIGHTGRID 15
+#define LUMP_VISIBILITY 16
+#define HEADER_LUMPS 17
+
+typedef struct {
+ int fileofs, filelen;
+} lump_t;
+
+typedef struct {
+ int ident;
+ int version;
+
+ lump_t lumps[HEADER_LUMPS];
+} dheader_t;
+
+typedef struct {
+ float normal[3];
+ float dist;
+} dplane_t;
+
+typedef struct {
+ int planeNum;
+ int children[2]; // negative numbers are -(leafs+1), not nodes
+ int mins[3]; // for frustom culling
+ int maxs[3];
+} dnode_t;
+
+typedef struct {
+ int cluster; // -1 = opaque cluster (do I still store these?)
+ int area;
+
+ int mins[3]; // for frustum culling
+ int maxs[3];
+
+ int firstLeafSurface;
+ int numLeafSurfaces;
+
+ int firstLeafBrush;
+ int numLeafBrushes;
+} dleaf_t;
+
+typedef struct {
+ vec3_t xyz;
+ float st[2];
+ float lightmap[2];
+ vec3_t normal;
+ byte color[4];
+} qdrawVert_t;
+
+typedef struct {
+ int shaderNum;
+ int fogNum;
+ int surfaceType;
+
+ int firstVert;
+ int numVerts;
+
+ int firstIndex;
+ int numIndexes;
+
+ int lightmapNum;
+ int lightmapX, lightmapY;
+ int lightmapWidth, lightmapHeight;
+
+ vec3_t lightmapOrigin;
+ vec3_t lightmapVecs[3]; // for patches, [0] and [1] are lodbounds
+
+ int patchWidth;
+ int patchHeight;
+} dsurface_t;
+
+typedef struct {
+ int planeNum; // positive plane side faces out of the leaf
+ int shaderNum;
+} dbrushside_t;
+
+typedef struct {
+ int firstSide;
+ int numSides;
+ int shaderNum; // the shader that determines the contents flags
+} dbrush_t;
+
+typedef enum {
+ MST_BAD,
+ MST_PLANAR,
+ MST_PATCH,
+ MST_TRIANGLE_SOUP,
+ MST_FLARE
+} mapSurfaceType_t;
+
+#define MAX_MAP_VISIBILITY 0x200000
+#define MAX_MAP_NODES 0x20000
+#define MAX_MAP_PLANES 0x20000
+#define MAX_MAP_LEAFS 0x20000
+
+extern int numVisBytes;
+extern int numleafs;
+extern int numplanes;
+extern int numnodes;
+extern int numDrawVerts;
+extern int numDrawSurfaces;
+extern int numleafsurfaces;
+extern int numbrushes;
+extern int numbrushsides;
+extern int numleafbrushes;
+
+extern dnode_t *dnodes;
+extern dplane_t *dplanes;
+extern dleaf_t *dleafs;
+extern byte *visBytes;
+extern qdrawVert_t *drawVerts;
+extern dsurface_t *drawSurfaces;
+extern int *dleafsurfaces;
+extern dbrush_t *dbrushes;
+extern dbrushside_t *dbrushsides;
+extern int *dleafbrushes;
+
+bool LoadBSPFile( const char *filename );
+void FreeBSPData();