/*
===========================================================================
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 Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

#include "qfiles.h"
#include "q_shared.h"

#ifdef __cplusplus
extern "C" {
#endif

void		CM_LoadMap( const char *name, qboolean clientload, int *checksum);
void		CM_ClearMap( void );
clipHandle_t CM_InlineModel( int index );		// 0 = world, 1 + are bmodels
clipHandle_t CM_TempBoxModel( const vec3_t mins, const vec3_t maxs, int contents );

void		CM_ModelBounds( clipHandle_t model, vec3_t mins, vec3_t maxs );
void		CM_ModelBoundsFromName( const char *name, vec3_t mins, vec3_t maxs );

byte		*CM_VisibilityPointer( void );

void		CM_PrintBSPFileSizes( void );

int			CM_NumClusters (void);
int			CM_NumInlineModels( void );
char		*CM_EntityString( void );
const char	*CM_MapTime( void );

// returns an ORed contents mask
int			CM_PointContents( const vec3_t p, clipHandle_t model );
int			CM_PointBrushNum( const vec3_t p, clipHandle_t model );
int			CM_TransformedPointContents( const vec3_t p, clipHandle_t model, const vec3_t origin, const vec3_t angles );

qboolean	CM_BoxSightTrace( const vec3_t start, const vec3_t end,
							 const vec3_t mins, const vec3_t maxs,
							 clipHandle_t model, int brushmask, qboolean cylinder );
qboolean	CM_TransformedBoxSightTrace( const vec3_t start, const vec3_t end,
										 const vec3_t mins, const vec3_t maxs,
										 clipHandle_t model, int brushmask, const vec3_t origin, const vec3_t angles, qboolean cylinder );
void		CM_BoxTrace ( trace_t *results, const vec3_t start, const vec3_t end,
						  const vec3_t mins, const vec3_t maxs,
						  clipHandle_t model, int brushmask, int cylinder );
void		CM_TransformedBoxTrace( trace_t *results, const vec3_t start, const vec3_t end,
						  const vec3_t mins, const vec3_t maxs,
						  clipHandle_t model, int brushmask,
						  const vec3_t origin, const vec3_t angles, int cylinder );

byte		*CM_ClusterPVS (int cluster);

int			CM_PointLeafnum( const vec3_t p );

// only returns non-solid leafs
// overflow if return listsize and if *lastLeaf != list[listsize-1]
int			CM_BoxLeafnums( const vec3_t mins, const vec3_t maxs, int *list,
		 					int listsize, int *lastLeaf );

int			CM_LeafCluster (int leafnum);
int			CM_LeafArea (int leafnum);

void		CM_AdjustAreaPortalState( int area1, int area2, qboolean open );
void		CM_ResetAreaPortals( void );
void		CM_WritePortalState( fileHandle_t f );
void		CM_ReadPortalState( fileHandle_t f );
int			CM_AreaForPoint( vec3_t vPos );
qboolean	CM_AreasConnected( int area1, int area2 );

int			CM_WriteAreaBits( byte *buffer, int area );

qboolean	CM_inPVS( vec3_t p1, vec3_t p2 );
qboolean	CM_LeafInPVS( int leaf1, int leaf2 );

baseshader_t *CM_ShaderPointer( int iShaderNum );

// cm_tag.c
int			CM_LerpTag( orientation_t *tag,  clipHandle_t model, int startFrame, int endFrame, 
					 float frac, const char *tagName );


// cm_marks.c
int	CM_MarkFragments( int numPoints, const vec3_t *points, const vec3_t projection,
				   int maxPoints, vec3_t pointBuffer, int maxFragments, markFragment_t *fragmentBuffer );

// cm_patch.c
void CM_DrawDebugSurface( void (*drawPoly)(int color, int numPoints, float *points) );

// cm_trace_ldb.cpp
const char *CM_GetHitLocationInfo( int i_iLocation, float *o_fRadius, vec3_t o_vOffset );
const char *CM_GetHitLocationInfoSecondary( int i_iLocation, float *o_fRadius, vec3_t o_vOffset );

// cm_trace_obfuscation.cpp
float CM_VisualObfuscation(const vec3_t start, const vec3_t end);

#ifdef __cplusplus
}
#endif