/*
   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]; }