Descent3/renderer/HardwareGlobalVars.cpp

/*
* 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/>.
*/

#include "3d.h"
#include "HardwareInternal.h"
#include <float.h>

vector View_position;
float View_zoom;

float Far_clip_z = FLT_MAX; // set to a really really far distance initially

uint8_t Clip_custom = 0;
float Clip_plane_distance = 0;
vector Clip_plane;

matrix Unscaled_matrix; // before scaling
matrix View_matrix;

vector Matrix_scale; // how the matrix is scaled, window_scale * zoom

int Window_width;  // the actual width
int Window_height; // the actual height

float Window_w2; // width/2
float Window_h2; // height/2

float gTransformViewPort[4][4];
float gTransformProjection[4][4];
float gTransformModelView[4][4];
float gTransformFull[4][4];