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https://github.com/ZDoom/qzdoom.git
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82 lines
3.4 KiB
C++
82 lines
3.4 KiB
C++
/*
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** Handling drawing a wall
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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 "polyrenderer/drawers/poly_triangle.h"
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class PolyTranslucentObject;
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class PolyDrawLinePortal;
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class PolyCull;
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class Vec4f;
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class RenderPolyWall
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{
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public:
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static bool RenderLine(const TriMatrix &worldToClip, const Vec4f &clipPlane, PolyCull &cull, seg_t *line, sector_t *frontsector, uint32_t subsectorDepth, uint32_t stencilValue, std::vector<PolyTranslucentObject> &translucentWallsOutput, std::vector<std::unique_ptr<PolyDrawLinePortal>> &linePortals);
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static void Render3DFloorLine(const TriMatrix &worldToClip, const Vec4f &clipPlane, PolyCull &cull, seg_t *line, sector_t *frontsector, uint32_t subsectorDepth, uint32_t stencilValue, F3DFloor *fakeFloor, std::vector<PolyTranslucentObject> &translucentWallsOutput);
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void SetCoords(const DVector2 &v1, const DVector2 &v2, double ceil1, double floor1, double ceil2, double floor2);
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void Render(const TriMatrix &worldToClip, const Vec4f &clipPlane, PolyCull &cull);
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DVector2 v1;
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DVector2 v2;
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double ceil1 = 0.0;
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double floor1 = 0.0;
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double ceil2 = 0.0;
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double floor2 = 0.0;
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const seg_t *LineSeg = nullptr;
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const line_t *Line = nullptr;
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const side_t *Side = nullptr;
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side_t::ETexpart Texpart = side_t::mid;
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double TopZ = 0.0;
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double BottomZ = 0.0;
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double UnpeggedCeil = 0.0;
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FSWColormap *Colormap = nullptr;
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bool Masked = false;
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uint32_t SubsectorDepth = 0;
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uint32_t StencilValue = 0;
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PolyDrawLinePortal *Polyportal = nullptr;
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private:
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void ClampHeight(TriVertex &v1, TriVertex &v2);
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FTexture *GetTexture();
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int GetLightLevel();
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};
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// Texture coordinates for a wall
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class PolyWallTextureCoords
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{
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public:
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PolyWallTextureCoords(FTexture *tex, const seg_t *lineseg, const line_t *line, const side_t *side, side_t::ETexpart texpart, double topz, double bottomz, double unpeggedceil);
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double u1, u2;
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double v1, v2;
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private:
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void CalcU(FTexture *tex, const seg_t *lineseg, const line_t *line, const side_t *side, side_t::ETexpart texpart);
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void CalcV(FTexture *tex, const line_t *line, const side_t *side, side_t::ETexpart texpart, double topz, double bottomz, double unpeggedceil);
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void CalcVTopPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double vscale, double yoffset);
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void CalcVMidPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double vscale, double yoffset);
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void CalcVBottomPart(FTexture *tex, const line_t *line, const side_t *side, double topz, double bottomz, double unpeggedceil, double vscale, double yoffset);
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};
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