gzdoom-gles/src/r_poly.h
2016-12-16 20:52:56 +01:00

68 lines
2 KiB
C++

/*
** Polygon Doom software renderer
** 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 <vector>
#include <memory>
#include <algorithm>
#include <functional>
#include "doomdata.h"
#include "r_utility.h"
#include "r_main.h"
#include "r_poly_portal.h"
#include "r_poly_playersprite.h"
#include "r_poly_sky.h"
class AActor;
class DCanvas;
class PolyRenderer
{
public:
void RenderViewToCanvas(AActor *actor, DCanvas *canvas, int x, int y, int width, int height, bool dontmaplines);
void RenderActorView(AActor *actor, bool dontmaplines);
void RenderRemainingPlayerSprites();
static PolyRenderer *Instance();
uint32_t GetNextStencilValue() { uint32_t value = NextStencilValue; NextStencilValue += 2; return value; }
bool InsertSeenLinePortal(FLinePortal *portal);
bool InsertSeenMirror(line_t *mirrorLine);
bool DontMapLines = false;
private:
void ClearBuffers();
void SetSceneViewport();
void SetupPerspectiveMatrix();
TriMatrix WorldToClip;
RenderPolyScene MainPortal;
PolySkyDome Skydome;
RenderPolyPlayerSprites PlayerSprites;
uint32_t NextStencilValue = 0;
std::set<FLinePortal *> SeenLinePortals;
std::set<line_t *> SeenMirrors;
};