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CIndexBuffer.h
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// Copyright (C) 2008-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __C_INDEX_BUFFER_H_INCLUDED__
#define __C_INDEX_BUFFER_H_INCLUDED__
#include "IIndexBuffer.h"
namespace irr
{
namespace scene
{
class CIndexBuffer : public IIndexBuffer
{
class IIndexList
{
public:
virtual ~IIndexList(){};
virtual u32 stride() const =0;
virtual u32 size() const =0;
virtual void push_back(const u32 &element) =0;
virtual u32 operator [](u32 index) const =0;
virtual u32 getLast() =0;
virtual void setValue(u32 index, u32 value) =0;
virtual void set_used(u32 usedNow) =0;
virtual void reallocate(u32 new_size) =0;
virtual u32 allocated_size() const =0;
virtual void* pointer() =0;
virtual video::E_INDEX_TYPE getType() const =0;
};
template <class T>
class CSpecificIndexList : public IIndexList
{
public:
core::array<T> Indices;
virtual u32 stride() const {return sizeof(T);}
virtual u32 size() const {return Indices.size();}
virtual void push_back(const u32 &element)
{
// push const ref due to compiler problem with gcc 4.6, big endian
Indices.push_back((const T&)element);
}
virtual u32 operator [](u32 index) const
{
return (u32)(Indices[index]);
}
virtual u32 getLast() {return (u32)Indices.getLast();}
virtual void setValue(u32 index, u32 value)
{
Indices[index]=(T)value;
}
virtual void set_used(u32 usedNow)
{
Indices.set_used(usedNow);
}
virtual void reallocate(u32 new_size)
{
Indices.reallocate(new_size);
}
virtual u32 allocated_size() const
{
return Indices.allocated_size();
}
virtual void* pointer() {return Indices.pointer();}
virtual video::E_INDEX_TYPE getType() const
{
if (sizeof(T)==sizeof(u16))
return video::EIT_16BIT;
else
return video::EIT_32BIT;
}
};
public:
IIndexList *Indices;
CIndexBuffer(video::E_INDEX_TYPE IndexType) :Indices(0), MappingHint(EHM_NEVER), ChangedID(1)
{
setType(IndexType);
}
CIndexBuffer(const IIndexBuffer &IndexBufferCopy) :Indices(0), MappingHint(EHM_NEVER), ChangedID(1)
{
setType(IndexBufferCopy.getType());
reallocate(IndexBufferCopy.size());
for (u32 n=0;n<IndexBufferCopy.size();++n)
push_back(IndexBufferCopy[n]);
}
virtual ~CIndexBuffer()
{
delete Indices;
}
//virtual void setType(video::E_INDEX_TYPE IndexType);
virtual void setType(video::E_INDEX_TYPE IndexType)
{
IIndexList *NewIndices=0;
switch (IndexType)
{
case video::EIT_16BIT:
{
NewIndices=new CSpecificIndexList<u16>;
break;
}
case video::EIT_32BIT:
{
NewIndices=new CSpecificIndexList<u32>;
break;
}
}
if (Indices)
{
NewIndices->reallocate( Indices->size() );
for(u32 n=0;n<Indices->size();++n)
NewIndices->push_back((*Indices)[n]);
delete Indices;
}
Indices=NewIndices;
}
virtual void* getData() {return Indices->pointer();}
virtual video::E_INDEX_TYPE getType() const {return Indices->getType();}
virtual u32 stride() const {return Indices->stride();}
virtual u32 size() const
{
return Indices->size();
}
virtual void push_back(const u32 &element)
{
Indices->push_back(element);
}
virtual u32 operator [](u32 index) const
{
return (*Indices)[index];
}
virtual u32 getLast()
{
return Indices->getLast();
}
virtual void setValue(u32 index, u32 value)
{
Indices->setValue(index, value);
}
virtual void set_used(u32 usedNow)
{
Indices->set_used(usedNow);
}
virtual void reallocate(u32 new_size)
{
Indices->reallocate(new_size);
}
virtual u32 allocated_size() const
{
return Indices->allocated_size();
}
virtual void* pointer()
{
return Indices->pointer();
}
virtual E_HARDWARE_MAPPING getHardwareMappingHint() const
{
return MappingHint;
}
virtual void setHardwareMappingHint( E_HARDWARE_MAPPING NewMappingHint )
{
MappingHint=NewMappingHint;
}
virtual void setDirty()
{
++ChangedID;
}
virtual u32 getChangedID() const {return ChangedID;}
E_HARDWARE_MAPPING MappingHint;
u32 ChangedID;
};
} // end namespace scene
} // end namespace irr
#endif
IIndexBuffer.h
irr::core::array
Self reallocating template array (like stl vector) with additional features.
Definition irrArray.h:23
irr::scene::CIndexBuffer::getType
virtual video::E_INDEX_TYPE getType() const
Definition CIndexBuffer.h:146
irr::scene::CIndexBuffer::setValue
virtual void setValue(u32 index, u32 value)
Definition CIndexBuffer.h:170
irr::scene::CIndexBuffer::pointer
virtual void * pointer()
Definition CIndexBuffer.h:190
irr::scene::CIndexBuffer::size
virtual u32 size() const
Definition CIndexBuffer.h:150
irr::scene::CIndexBuffer::allocated_size
virtual u32 allocated_size() const
Definition CIndexBuffer.h:185
irr::scene::CIndexBuffer::push_back
virtual void push_back(const u32 &element)
Definition CIndexBuffer.h:155
irr::scene::CIndexBuffer::CIndexBuffer
CIndexBuffer(const IIndexBuffer &IndexBufferCopy)
Definition CIndexBuffer.h:98
irr::scene::CIndexBuffer::setDirty
virtual void setDirty()
flags the mesh as changed, reloads hardware buffers
Definition CIndexBuffer.h:208
irr::scene::CIndexBuffer::getChangedID
virtual u32 getChangedID() const
Get the currently used ID for identification of changes.
Definition CIndexBuffer.h:215
irr::scene::CIndexBuffer::CIndexBuffer
CIndexBuffer(video::E_INDEX_TYPE IndexType)
Definition CIndexBuffer.h:93
irr::scene::CIndexBuffer::getLast
virtual u32 getLast()
Definition CIndexBuffer.h:165
irr::scene::CIndexBuffer::setType
virtual void setType(video::E_INDEX_TYPE IndexType)
Definition CIndexBuffer.h:113
irr::scene::CIndexBuffer::reallocate
virtual void reallocate(u32 new_size)
Definition CIndexBuffer.h:180
irr::scene::CIndexBuffer::stride
virtual u32 stride() const
Definition CIndexBuffer.h:148
irr::scene::CIndexBuffer::getHardwareMappingHint
virtual E_HARDWARE_MAPPING getHardwareMappingHint() const
get the current hardware mapping hint
Definition CIndexBuffer.h:196
irr::scene::CIndexBuffer::MappingHint
E_HARDWARE_MAPPING MappingHint
Definition CIndexBuffer.h:217
irr::scene::CIndexBuffer::~CIndexBuffer
virtual ~CIndexBuffer()
Definition CIndexBuffer.h:107
irr::scene::CIndexBuffer::setHardwareMappingHint
virtual void setHardwareMappingHint(E_HARDWARE_MAPPING NewMappingHint)
set the hardware mapping hint, for driver
Definition CIndexBuffer.h:202
irr::scene::CIndexBuffer::Indices
IIndexList * Indices
Definition CIndexBuffer.h:91
irr::scene::CIndexBuffer::operator[]
virtual u32 operator[](u32 index) const
Definition CIndexBuffer.h:160
irr::scene::CIndexBuffer::getData
virtual void * getData()
Definition CIndexBuffer.h:144
irr::scene::CIndexBuffer::ChangedID
u32 ChangedID
Definition CIndexBuffer.h:218
irr::scene::CIndexBuffer::set_used
virtual void set_used(u32 usedNow)
Definition CIndexBuffer.h:175
irr::scene::IIndexBuffer
Definition IIndexBuffer.h:25
irr::scene::IIndexBuffer::size
virtual u32 size() const =0
irr::scene::IIndexBuffer::getType
virtual video::E_INDEX_TYPE getType() const =0
irr::scene
All scene management can be found in this namespace: Mesh loading, special scene nodes like octrees a...
Definition CDynamicMeshBuffer.h:16
irr::scene::E_HARDWARE_MAPPING
E_HARDWARE_MAPPING
Definition EHardwareBufferFlags.h:14
irr::scene::EHM_NEVER
@ EHM_NEVER
Don't store on the hardware.
Definition EHardwareBufferFlags.h:16
irr::video::E_INDEX_TYPE
E_INDEX_TYPE
Definition SVertexIndex.h:16
irr::video::EIT_16BIT
@ EIT_16BIT
Definition SVertexIndex.h:17
irr::video::EIT_32BIT
@ EIT_32BIT
Definition SVertexIndex.h:18
irr
Everything in the Irrlicht Engine can be found in this namespace.
Definition aabbox3d.h:13
irr::u32
unsigned int u32
32 bit unsigned variable.
Definition irrTypes.h:58
irr::u16
unsigned short u16
16 bit unsigned variable.
Definition irrTypes.h:40
- Irrlicht Engine Documentation © 2003-2012 by Nikolaus Gebhardt. Generated on for Irrlicht 3D Engine by Doxygen 1.15.0