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45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
/*
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** Sky dome rendering
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** Copyright(C) 2003-2016 Christoph Oelckers
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** All rights reserved.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU Lesser General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU Lesser General Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public License
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** along with this program. If not, see http:**www.gnu.org/licenses/
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**
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** Loosely based on the JDoom sky and the ZDoomGL 0.66.2 sky.
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*/
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#pragma once
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#include "polyrenderer/drawers/poly_triangle.h"
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class PolySkyDome
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{
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public:
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PolySkyDome();
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void Render(const TriMatrix &worldToClip);
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private:
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TArray<TriVertex> mVertices;
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TArray<unsigned int> mPrimStart;
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int mRows, mColumns;
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TriMatrix objectToClip;
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void SkyVertex(int r, int c, bool yflip);
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void CreateSkyHemisphere(bool zflip);
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void CreateDome();
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void RenderRow(PolyDrawArgs &args, int row, uint32_t capcolor);
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void RenderCapColorRow(PolyDrawArgs &args, FTexture *skytex, int row, bool bottomCap);
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TriVertex SetVertexXYZ(float xx, float yy, float zz, float uu = 0, float vv = 0);
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};
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