cm_public.h

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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
===========================================================================
*/

#include "qfiles.h"


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 capsule );

void        CM_ModelBounds( clipHandle_t model, vec3_t mins, vec3_t maxs );

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

// returns an ORed contents mask
int         CM_PointContents( 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 );

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

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 );
qboolean    CM_AreasConnected( int area1, int area2 );

int         CM_WriteAreaBits( byte *buffer, int area );

// 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) );

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