minetest/irr/include/CVertexBuffer.h

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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#pragma once
#include <vector>
#include "IVertexBuffer.h"
// Define to receive warnings when violating the hw mapping hints
//#define VERTEXBUFFER_HINT_DEBUG
#ifdef VERTEXBUFFER_HINT_DEBUG
#include "../src/os.h"
#endif
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namespace irr
{
namespace scene
{
//! Template implementation of the IVertexBuffer interface
template <class T>
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class CVertexBuffer final : public IVertexBuffer
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{
public:
//! Default constructor for empty buffer
CVertexBuffer()
{
#ifdef _DEBUG
setDebugName("CVertexBuffer");
#endif
}
const void *getData() const override
{
return Data.data();
}
void *getData() override
{
return Data.data();
}
u32 getCount() const override
{
return static_cast<u32>(Data.size());
}
video::E_VERTEX_TYPE getType() const override
{
return T::getType();
}
const core::vector3df &getPosition(u32 i) const override
{
return Data[i].Pos;
}
core::vector3df &getPosition(u32 i) override
{
return Data[i].Pos;
}
const core::vector3df &getNormal(u32 i) const override
{
return Data[i].Normal;
}
core::vector3df &getNormal(u32 i) override
{
return Data[i].Normal;
}
const core::vector2df &getTCoords(u32 i) const override
{
return Data[i].TCoords;
}
core::vector2df &getTCoords(u32 i) override
{
return Data[i].TCoords;
}
E_HARDWARE_MAPPING getHardwareMappingHint() const override
{
return MappingHint;
}
void setHardwareMappingHint(E_HARDWARE_MAPPING NewMappingHint) override
{
MappingHint = NewMappingHint;
}
void setDirty() override
{
++ChangedID;
#ifdef VERTEXBUFFER_HINT_DEBUG
if (MappingHint == EHM_STATIC && HWBuffer) {
char buf[100];
snprintf_irr(buf, sizeof(buf), "CVertexBuffer @ %p modified, but it has a static hint", this);
os::Printer::log(buf, ELL_WARNING);
}
#endif
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}
u32 getChangedID() const override { return ChangedID; }
void setHWBuffer(void *ptr) const override
{
HWBuffer = ptr;
}
void *getHWBuffer() const override
{
return HWBuffer;
}
u32 ChangedID = 1;
//! hardware mapping hint
E_HARDWARE_MAPPING MappingHint = EHM_NEVER;
mutable void *HWBuffer = nullptr;
//! Vertices of this buffer
std::vector<T> Data;
};
//! Standard buffer
typedef CVertexBuffer<video::S3DVertex> SVertexBuffer;
//! Buffer with two texture coords per vertex, e.g. for lightmaps
typedef CVertexBuffer<video::S3DVertex2TCoords> SVertexBufferLightMap;
//! Buffer with vertices having tangents stored, e.g. for normal mapping
typedef CVertexBuffer<video::S3DVertexTangents> SVertexBufferTangents;
} // end namespace scene
} // end namespace irr