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53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
/*
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** Handling drawing a plane (ceiling, floor)
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** Copyright (c) 2016 Magnus Norddahl
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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*/
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#pragma once
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#include "r_poly_triangle.h"
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class PolyDrawSectorPortal;
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class Vec4f;
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class RenderPolyPlane
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{
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public:
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static void RenderPlanes(const TriMatrix &worldToClip, const Vec4f &clipPlane, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, double skyCeilingHeight, double skyFloorHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> §orPortals);
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private:
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struct UVTransform
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{
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UVTransform(const FTransform &transform, FTexture *tex);
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float GetU(float x, float y) const;
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float GetV(float x, float y) const;
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float xscale;
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float yscale;
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float cosine;
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float sine;
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float xOffs, yOffs;
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};
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void Render3DFloor(const TriMatrix &worldToClip, const Vec4f &clipPlane, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, bool ceiling, F3DFloor *fakefloor);
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void Render(const TriMatrix &worldToClip, const Vec4f &clipPlane, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, bool ceiling, double skyHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> §orPortals);
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TriVertex PlaneVertex(vertex_t *v1, double height, const UVTransform &transform);
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};
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