gzdoom/src/r_poly_sky.h
2016-11-20 02:07:55 +01:00

46 lines
1.5 KiB
C++

/*
** Sky dome rendering
** Copyright(C) 2003-2016 Christoph Oelckers
** All rights reserved.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public License
** along with this program. If not, see http:**www.gnu.org/licenses/
**
** Loosely based on the JDoom sky and the ZDoomGL 0.66.2 sky.
*/
#pragma once
#include "r_poly_triangle.h"
class PolySkyDome
{
public:
PolySkyDome();
void Render(const TriMatrix &worldToClip);
private:
TArray<TriVertex> mVertices;
TArray<unsigned int> mPrimStart;
int mRows, mColumns;
TriMatrix objectToClip;
void SkyVertex(int r, int c, bool yflip);
void CreateSkyHemisphere(bool zflip);
void CreateDome();
void RenderRow(PolyDrawArgs &args, int row);
void RenderCapColorRow(PolyDrawArgs &args, FTexture *skytex, int row, bool bottomCap);
TriVertex SetVertex(float xx, float yy, float zz, float uu = 0, float vv = 0);
TriVertex SetVertexXYZ(float xx, float yy, float zz, float uu = 0, float vv = 0);
};