/*=============================================================================
    Name    : clipper.h
    Purpose : out-of-GL line clipping / projection code

    Created 4/10/1998 by khent
    Copyright Relic Entertainment, Inc.  All rights reserved.
=============================================================================*/
#ifndef _CLIPPER_H
#define _CLIPPER_H

#include "types.h"
#include "vector.h"

sdword clipViewclipLine(real32* vectors, udword* i, udword* j);
void clipTransformPoints(udword n, real32* vobj, real32* vEye, real32* m);
bool clipIsPerspective(real32* m);
void clipProjectPoints(udword n, real32* vEye, real32* vClip, ubyte* clipmask,
                       ubyte* clipormask, ubyte* clipandmask, real32* m);
void clipViewportMap(udword n, real32* vClip, ubyte* clipmask, real32* vWin,
                     vector* viewportS, vector* viewportT, bool force);

bool clipLineToScreen(vector* pa, vector* pb, real32* modelview, real32* projection, vector* screenA, vector* screenB);
bool clipPointToScreen(vector* p, vector* screen, bool force);
bool clipPointToScreenWithMatrices(vector* p, vector* screen, real32* modelview, real32* projection, bool force);
bool clipBBoxIsClipped(real32* collrectoffset, real32 uplength, real32 rightlength, real32 forwardlength);

#endif