gzdoom-gles/src/hwrenderer/data/flatvertices.h

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//
//---------------------------------------------------------------------------
//
// Copyright(C) 2005-2016 Christoph Oelckers
// All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see http://www.gnu.org/licenses/
//
//--------------------------------------------------------------------------
//
#ifndef _HW__VERTEXBUFFER_H
#define _HW__VERTEXBUFFER_H
#include "tarray.h"
struct FFlatVertex
{
float x, z, y; // world position
float u, v; // texture coordinates
void SetFlatVertex(vertex_t *vt, const secplane_t &plane);
void Set(float xx, float zz, float yy, float uu, float vv)
{
x = xx;
z = zz;
y = yy;
u = uu;
v = vv;
}
};
class FFlatVertexGenerator
{
protected:
TArray<FFlatVertex> vbo_shadowdata;
void CheckPlanes(sector_t *sector);
public:
enum
{
QUAD_INDEX = 0,
FULLSCREEN_INDEX = 4,
PRESENT_INDEX = 8,
STENCILTOP_INDEX = 12,
STENCILBOTTOM_INDEX = 16,
NUM_RESERVED = 20
};
FFlatVertexGenerator(int width, int height);
void OutputResized(int width, int height);
private:
int CreateSubsectorVertices(subsector_t *sub, const secplane_t &plane, int floor);
int CreateSectorVertices(sector_t *sec, const secplane_t &plane, int floor);
int CreateVertices(int h, sector_t *sec, const secplane_t &plane, int floor);
void CreateFlatVertices();
void UpdatePlaneVertices(sector_t *sec, int plane, FFlatVertex *map);
protected:
void CreateVertices();
void CheckPlanes(sector_t *sector, FFlatVertex *map);
void CheckUpdate(sector_t *sector, FFlatVertex *map);
};
#endif