vkdoom_m/src/swrenderer/line/r_wallsetup.h
2018-12-28 00:55:44 +01:00

84 lines
2.5 KiB
C++

//-----------------------------------------------------------------------------
//
// Copyright 1993-1996 id Software
// Copyright 1999-2016 Randy Heit
// Copyright 2016 Magnus Norddahl
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see http://www.gnu.org/licenses/
//
//-----------------------------------------------------------------------------
//
#pragma once
#include "r_defs.h"
namespace swrenderer
{
struct FWallCoords;
struct FWallTmapVals;
enum class ProjectedWallCull
{
Visible,
OutsideAbove,
OutsideBelow
};
class ProjectedWallLine
{
public:
short ScreenY[MAXWIDTH];
ProjectedWallCull Project(RenderViewport *viewport, double z1, double z2, const FWallCoords *wallc);
ProjectedWallCull Project(RenderViewport *viewport, const secplane_t &plane, const FWallCoords *wallc, seg_t *line, bool xflip);
ProjectedWallCull Project(RenderViewport *viewport, double z, const FWallCoords *wallc);
};
class ProjectedWallTexcoords
{
public:
float VStep[MAXWIDTH]; // swall
fixed_t UPos[MAXWIDTH]; // lwall
void Project(RenderViewport *viewport, double walxrepeat, int x1, int x2, const FWallTmapVals &WallT);
void ProjectPos(RenderViewport *viewport, double walxrepeat, int x1, int x2, const FWallTmapVals &WallT);
};
class ProjectedWallLight
{
public:
int GetLightLevel() const { return lightlevel; }
bool GetFoggy() const { return foggy; }
FDynamicColormap *GetBaseColormap() const { return basecolormap; }
float GetLightPos(int x) const { return lightleft + lightstep * (x - x1); }
float GetLightStep() const { return lightstep; }
void SetColormap(const sector_t *frontsector, seg_t *lineseg, lightlist_t *lit = nullptr);
void SetLightLeft(float left, float step, int startx) { lightleft = left; lightstep = step; x1 = startx; }
void SetLightLeft(RenderThread *thread, const FWallCoords &wallc);
private:
int lightlevel;
bool foggy;
FDynamicColormap *basecolormap;
int x1;
float lightleft;
float lightstep;
};
}