2d51fa5b43
- Slightly improve how softpoly processes portals - Pass the vertex transform matrix via a command rather than being part of the drawer args - Improve zbuffer drawers in the software renderer - Misc model rendering fixes
106 lines
4.1 KiB
C++
106 lines
4.1 KiB
C++
/*
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** Polygon Doom software renderer
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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 PolyDrawSectorPortal;
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class PolyPlaneUVTransform
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{
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public:
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PolyPlaneUVTransform(const FTransform &transform, FTexture *tex);
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TriVertex GetVertex(vertex_t *v1, double height) const
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{
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TriVertex v;
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v.x = (float)v1->fX();
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v.y = (float)v1->fY();
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v.z = (float)height;
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v.w = 1.0f;
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v.u = GetU(v.x, v.y);
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v.v = GetV(v.x, v.y);
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return v;
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}
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private:
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float GetU(float x, float y) const { return (xOffs + x * cosine - y * sine) * xscale; }
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float GetV(float x, float y) const { return (yOffs - x * sine - y * cosine) * yscale; }
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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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class RenderPolyPlane
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{
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public:
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static void RenderPlanes(PolyRenderThread *thread, const PolyClipPlane &clipPlane, const PolyTransferHeights &fakeflat, uint32_t stencilValue, double skyCeilingHeight, double skyFloorHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> §orPortals);
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private:
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void Render(PolyRenderThread *thread, const PolyClipPlane &clipPlane, const PolyTransferHeights &fakeflat, uint32_t stencilValue, bool ceiling, double skyHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> §orPortals);
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void RenderPortal(PolyRenderThread *thread, const PolyClipPlane &clipPlane, const PolyTransferHeights &fakeflat, uint32_t stencilValue, bool ceiling, double skyHeight, FSectorPortal *portal, std::vector<std::unique_ptr<PolyDrawSectorPortal>> §orPortals);
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void RenderNormal(PolyRenderThread *thread, const PolyClipPlane &clipPlane, const PolyTransferHeights &fakeflat, uint32_t stencilValue, bool ceiling, double skyHeight);
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void RenderSkyWalls(PolyRenderThread *thread, PolyDrawArgs &args, subsector_t *sub, PolyDrawSectorPortal *polyportal, bool ceiling, double skyHeight);
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void SetLightLevel(PolyRenderThread *thread, PolyDrawArgs &args, const PolyTransferHeights &fakeflat, bool ceiling);
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void SetDynLights(PolyRenderThread *thread, PolyDrawArgs &args, subsector_t *sub, bool ceiling);
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TriVertex *CreatePlaneVertices(PolyRenderThread *thread, subsector_t *sub, const PolyPlaneUVTransform &transform, const secplane_t &plane);
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TriVertex *CreateSkyPlaneVertices(PolyRenderThread *thread, subsector_t *sub, double skyHeight);
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static TriVertex GetSkyVertex(vertex_t *v, double height) { return { (float)v->fX(), (float)v->fY(), (float)height, 1.0f, 0.0f, 0.0f }; }
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};
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class Render3DFloorPlane
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{
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public:
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static void RenderPlanes(PolyRenderThread *thread, const PolyClipPlane &clipPlane, subsector_t *sub, uint32_t stencilValue, uint32_t subsectorDepth, std::vector<PolyTranslucentObject *> &translucentObjects);
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void Render(PolyRenderThread *thread, const PolyClipPlane &clipPlane);
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subsector_t *sub = nullptr;
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uint32_t stencilValue = 0;
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bool ceiling = false;
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F3DFloor *fakeFloor = nullptr;
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bool Masked = false;
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bool Additive = false;
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double Alpha = 1.0;
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};
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class PolyTranslucent3DFloorPlane : public PolyTranslucentObject
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{
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public:
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PolyTranslucent3DFloorPlane(Render3DFloorPlane plane, uint32_t subsectorDepth) : PolyTranslucentObject(subsectorDepth, 1e7), plane(plane) { }
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void Render(PolyRenderThread *thread, const PolyClipPlane &portalPlane) override
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{
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plane.Render(thread, portalPlane);
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}
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Render3DFloorPlane plane;
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};
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