mirror of
https://github.com/ZDoom/qzdoom.git
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160 lines
4.3 KiB
C++
160 lines
4.3 KiB
C++
//-----------------------------------------------------------------------------
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//
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// Copyright 1993-1996 id Software
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// Copyright 1999-2016 Randy Heit
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// Copyright 2016 Magnus Norddahl
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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 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 General Public License for more details.
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//
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// You should have received a copy of the GNU 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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//-----------------------------------------------------------------------------
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//
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#pragma once
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#include "vectors.h"
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#include "r_wallsetup.h"
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#include "swrenderer/segments/r_clipsegment.h"
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#include "swrenderer/scene/r_3dfloors.h"
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struct seg_t;
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struct subsector_t;
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struct sector_t;
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struct side_t;
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struct line_t;
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struct FDynamicColormap;
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namespace swrenderer
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{
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class RenderThread;
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struct VisiblePlane;
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struct FWallCoords
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{
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FVector2 tleft; // coords at left of wall in view space rx1,ry1
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FVector2 tright; // coords at right of wall in view space rx2,ry2
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float sz1, sz2; // depth at left, right of wall in screen space yb1,yb2
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short sx1, sx2; // x coords at left, right of wall in screen space xb1,xb2
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bool Init(RenderThread *thread, const DVector2 &pt1, const DVector2 &pt2, double too_close);
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};
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struct FWallTmapVals
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{
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float UoverZorg, UoverZstep;
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float InvZorg, InvZstep;
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void InitFromWallCoords(RenderThread *thread, const FWallCoords *wallc);
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void InitFromLine(RenderThread *thread, const DVector2 &left, const DVector2 &right);
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};
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struct WallPartTexture
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{
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fixed_t TextureOffsetU;
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double TextureMid;
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double TextureScaleU;
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double TextureScaleV;
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FTexture *Texture;
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};
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class SWRenderLine : VisibleSegmentRenderer
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{
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public:
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SWRenderLine(RenderThread *thread);
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void Render(seg_t *line, subsector_t *subsector, sector_t *sector, sector_t *fakebacksector, VisiblePlane *floorplane, VisiblePlane *ceilingplane, bool foggy, FDynamicColormap *basecolormap, Fake3DOpaque fake3DOpaque);
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RenderThread *Thread = nullptr;
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private:
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bool RenderWallSegment(int x1, int x2) override;
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void SetWallVariables(bool needlights);
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void SetTopTexture();
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void SetMiddleTexture();
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void SetBottomTexture();
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void ClipSegmentTopBottom(int x1, int x2);
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void MarkCeilingPlane(int x1, int x2);
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void MarkFloorPlane(int x1, int x2);
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void Mark3DFloors(int x1, int x2);
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void MarkOpaquePassClip(int x1, int x2);
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void RenderTopTexture(int x1, int x2);
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void RenderMiddleTexture(int x1, int x2);
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void RenderBottomTexture(int x1, int x2);
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bool IsFogBoundary(sector_t *front, sector_t *back) const;
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bool SkyboxCompare(sector_t *frontsector, sector_t *backsector) const;
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bool IsInvisibleLine() const;
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bool IsDoorClosed() const;
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bool IsSolid() const;
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bool ShouldMarkFloor() const;
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bool ShouldMarkCeiling() const;
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bool ShouldMarkPortal() const;
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// Line variables:
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subsector_t *mSubsector;
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sector_t *mFrontSector;
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sector_t *mBackSector;
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VisiblePlane *mFloorPlane;
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VisiblePlane *mCeilingPlane;
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seg_t *mLineSegment;
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Fake3DOpaque m3DFloor;
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double mBackCeilingZ1;
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double mBackCeilingZ2;
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double mBackFloorZ1;
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double mBackFloorZ2;
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double mFrontCeilingZ1;
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double mFrontCeilingZ2;
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double mFrontFloorZ1;
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double mFrontFloorZ2;
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bool mDoorClosed;
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FWallCoords WallC;
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FWallTmapVals WallT;
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bool foggy;
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FDynamicColormap *basecolormap;
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// Wall segment variables:
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bool rw_prepped;
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int wallshade;
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float rw_lightstep;
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float rw_lightleft;
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double lwallscale;
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bool markfloor; // False if the back side is the same plane.
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bool markceiling;
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WallPartTexture mTopPart;
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WallPartTexture mMiddlePart;
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WallPartTexture mBottomPart;
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ProjectedWallCull mCeilingClipped;
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ProjectedWallCull mFloorClipped;
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ProjectedWallLine walltop;
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ProjectedWallLine wallbottom;
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ProjectedWallLine wallupper;
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ProjectedWallLine walllower;
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ProjectedWallTexcoords walltexcoords;
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sector_t tempsec; // killough 3/8/98: ceiling/water hack
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};
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}
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