/*
   Copyright (C) 1999-2006 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
 */

/*
   Camera plugin for GtkRadiant
   Copyright (C) 2002 Splash Damage Ltd.
 */

#include "globaldefs.h"

void Sys_ERROR( char* text, ... );
char* UnixToDosPath( char* path );
void ExtractFilePath( const char *path, char *dest );
const char* ExtractFilename( const char* path );
bool FileExists( const char *filename );
int Q_stricmp( const char *s1, const char *s2 );

typedef int fileHandle_t;

extern "C" {
// command buffer
void Cbuf_AddText( const char *text );
void Cbuf_Execute( void );

// common
#ifndef CDECL
#if GDEF_OS_WINDOWS
	#define CDECL __cdecl
#else
	#define CDECL
#endif
#endif

void CDECL Com_Error( int level, const char *error, ... );
void CDECL Com_Printf( const char *msg, ... );
void CDECL Com_DPrintf( const char *msg, ... );
void *Com_Allocate( int bytes );
void Com_Dealloc( void *ptr );

// filesystem
int FS_Read( void *buffer, int len, fileHandle_t f );
int FS_Write( const void *buffer, int len, fileHandle_t h );
int FS_ReadFile( const char *qpath, void **buffer );
void FS_FreeFile( void *buffer );
int FS_FOpenFileRead( const char *filename, fileHandle_t *file, bool uniqueFILE );
fileHandle_t FS_FOpenFileWrite( const char *filename );
void FS_FCloseFile( fileHandle_t f );
}

// vectors
#define DotProduct4( x,y )        ( ( x )[0] * ( y )[0] + ( x )[1] * ( y )[1] + ( x )[2] * ( y )[2] + ( x )[3] * ( y )[3] )
#define VectorSubtract4( a,b,c )  ( ( c )[0] = ( a )[0] - ( b )[0],( c )[1] = ( a )[1] - ( b )[1],( c )[2] = ( a )[2] - ( b )[2],( c )[3] = ( a )[3] - ( b )[3] )
#define VectorAdd4( a,b,c )       ( ( c )[0] = ( a )[0] + ( b )[0],( c )[1] = ( a )[1] + ( b )[1],( c )[2] = ( a )[2] + ( b )[2],( c )[3] = ( a )[3] + ( b )[3] )
#define VectorCopy4( a,b )        ( ( b )[0] = ( a )[0],( b )[1] = ( a )[1],( b )[2] = ( a )[2],( b )[3] = ( a )[3] )
#define VectorScale4( v, s, o )   ( ( o )[0] = ( v )[0] * ( s ),( o )[1] = ( v )[1] * ( s ),( o )[2] = ( v )[2] * ( s ),( o )[3] = ( v )[3] * ( s ) )
#define VectorMA4( v, s, b, o )   ( ( o )[0] = ( v )[0] + ( b )[0] * ( s ),( o )[1] = ( v )[1] + ( b )[1] * ( s ),( o )[2] = ( v )[2] + ( b )[2] * ( s ),( o )[3] = ( v )[3] + ( b )[3] * ( s ) )

#define Vector4Copy( a,b )        ( ( b )[0] = ( a )[0],( b )[1] = ( a )[1],( b )[2] = ( a )[2],( b )[3] = ( a )[3] )

#define SnapVector( v ) {v[0] = (int)v[0]; v[1] = (int)v[1]; v[2] = (int)v[2]; }