/*
* Descent 3 
* Copyright (C) 2024 Parallax Software
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef __HARDWARE_INTERNAL_H__
#define __HARDWARE_INTERNAL_H__

#include "pserror.h"

#define MAX_POINTS_IN_POLY 100

void FreeTempPoint(g3Point *p);
void InitFreePoints(void);
void ClipLine(g3Point **p0, g3Point **p1, ubyte codes_or);

// Verify that all the temp points are free, and free them it they are not.
#ifdef _DEBUG
void CheckTempPoints();
#else
#define CheckTempPoints()
#endif

extern int Window_width, Window_height; // the actual integer width & height
extern float Window_w2, Window_h2;      // width,height/2
extern float View_zoom;
extern vector View_position, Matrix_scale;
extern matrix View_matrix, Unscaled_matrix;
extern float Far_clip_z;

// For custom clipping plane
extern ubyte Clip_custom;
extern float Clip_plane_distance;
extern vector Clip_plane;

extern float gTransformViewPort[4][4];
extern float gTransformProjection[4][4];
extern float gTransformModelView[4][4];
extern float gTransformFull[4][4];
void g3_UpdateFullTransform();
void g3_ForceTransformRefresh(void);

void rend_TransformSetToPassthru(void);
void rend_TransformSetViewport(int lx, int ty, int width, int height);
void rend_TransformSetProjection(float trans[4][4]);
void rend_TransformSetModelView(float trans[4][4]);

int rend_ReInit();

#endif