gzdoom/src/r_poly_wall.h

82 lines
2.7 KiB
C++

/*
** Handling drawing a wall
** Copyright (c) 2016 Magnus Norddahl
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
*/
#pragma once
#include "r_poly_triangle.h"
class PolyTranslucentObject;
class RenderPolyWall
{
public:
static bool RenderLine(const TriMatrix &worldToClip, seg_t *line, sector_t *frontsector, uint32_t subsectorDepth, std::vector<PolyTranslucentObject> &translucentWallsOutput);
void Render(const TriMatrix &worldToClip);
void SetCoords(const DVector2 &v1, const DVector2 &v2, double ceil1, double floor1, double ceil2, double floor2)
{
this->v1 = v1;
this->v2 = v2;
this->ceil1 = ceil1;
this->floor1 = floor1;
this->ceil2 = ceil2;
this->floor2 = floor2;
}
DVector2 v1;
DVector2 v2;
double ceil1 = 0.0;
double floor1 = 0.0;
double ceil2 = 0.0;
double floor2 = 0.0;
const seg_t *Line = nullptr;
side_t::ETexpart Texpart = side_t::mid;
double TopZ = 0.0;
double BottomZ = 0.0;
double UnpeggedCeil = 0.0;
FSWColormap *Colormap = nullptr;
bool Masked = false;
uint32_t SubsectorDepth = 0;
private:
FTexture *GetTexture();
int GetLightLevel();
};
// Texture coordinates for a wall
class PolyWallTextureCoords
{
public:
PolyWallTextureCoords(FTexture *tex, const seg_t *line, side_t::ETexpart texpart, double topz, double bottomz, double unpeggedceil);
double u1, u2;
double v1, v2;
private:
void CalcU(FTexture *tex, const seg_t *line, side_t::ETexpart texpart);
void CalcV(FTexture *tex, const seg_t *line, side_t::ETexpart texpart, double topz, double bottomz, double unpeggedceil);
void CalcVTopPart(FTexture *tex, const seg_t *line, double topz, double bottomz, double vscale, double yoffset);
void CalcVMidPart(FTexture *tex, const seg_t *line, double topz, double bottomz, double vscale, double yoffset);
void CalcVBottomPart(FTexture *tex, const seg_t *line, double topz, double bottomz, double unpeggedceil, double vscale, double yoffset);
};