genesis-3d_engine/Engine/rendersystem/base/PrimitiveGroup.h

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/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#pragma once
#ifndef PRIMITIVEGROUP_H_
#define PRIMITIVEGROUP_H_
#include "math/bbox.h"
#include "RenderDeviceTypes.h"
#include "VertexBuffer.h"
#include "IndexBuffer.h"
#include "RenderCommandType.h"
namespace RenderBase
{
class PrimitiveGroup : public RenderCommandType
{
__DeclareSubClass(PrimitiveGroup,RenderCommandType)
public:
/// destructor
virtual ~PrimitiveGroup();
virtual void Discard();
/// set base vertex index
void SetBaseVertex(IndexT i);
/// get index of base vertex
IndexT GetBaseVertex() const;
/// set number of vertices
void SetNumVertices(SizeT n);
///get number of vertices
SizeT GetNumVertices() const;
/// set base index index
void SetBaseIndex(IndexT i);
/// get base index index
IndexT GetBaseIndex() const;
/// set number of indices
void SetNumIndices(SizeT n);
/// get number of indices
SizeT GetNumIndices() const;
/// set the primitive topology
void SetPrimitiveTopology(PrimitiveTopology::Code topology);
/// get the primitive topology
PrimitiveTopology::Code GetPrimitiveTopology() const;
/// set the primitive group's local bounding box
void SetBoundingBox(const Math::bbox& b);
/// get the primitive group's local bounding box
const Math::bbox& GetBoundingBox() const;
/// get computed number of primitives
SizeT GetNumPrimitives() const;
/// compute number of primitives from a given vertices;
SizeT NumberOfPrimitives(PrimitiveTopology::Code topology, SizeT numVertices) const;
/// compute number of vertices from a given primitive;
SizeT NumberOfVertices(PrimitiveTopology::Code topology, SizeT numPrimitives) const;
/// get VertexBuffer
const GPtr<VertexBuffer>& GetVertexBuffer() const;
/// get IndexBuffer
const GPtr<IndexBuffer>& GetIndexBuffer() const;
/// get count of InstVBuffer
SizeT NumOfInstVBuffers() const;
/// get a vb through index
const GPtr<VertexBuffer>& GetInstanceVBuffer(IndexT index) const;
// get vbuffers array
const Util::Array< GPtr<VertexBuffer> >& GetInstVBufferArray() const;
/// set instcount
void SetInstanceCount(SizeT);
/// get instcount
SizeT GetInstanceCount() const;
/// on device lost
virtual void OnDeviceLost();
/// on device reset
virtual void OnDeviceReset();
protected:
/// constructor
PrimitiveGroup();
IndexT baseVertex;
SizeT numVertices;
IndexT baseIndex;
SizeT numIndices;
PrimitiveTopology::Code primitiveTopology;
Math::bbox boundingBox;
GPtr<VertexBuffer> m_vertexBuffer;
GPtr<IndexBuffer> m_indexBuffer;
Util::Array< GPtr<VertexBuffer> > m_InstanceVBuffers;
SizeT m_InstanceCount;
};
//------------------------------------------------------------------------------
/**
*/
inline void
PrimitiveGroup::SetBaseVertex(IndexT i)
{
this->baseVertex = i;
}
//------------------------------------------------------------------------------
/**
*/
inline IndexT
PrimitiveGroup::GetBaseVertex() const
{
return this->baseVertex;
}
//------------------------------------------------------------------------------
/**
*/
inline void
PrimitiveGroup::SetNumVertices(SizeT n)
{
this->numVertices = n;
}
//------------------------------------------------------------------------------
/**
*/
inline SizeT
PrimitiveGroup::GetNumVertices() const
{
return this->numVertices;
}
//------------------------------------------------------------------------------
/**
*/
inline void
PrimitiveGroup::SetBaseIndex(IndexT i)
{
this->baseIndex = i;
}
//------------------------------------------------------------------------------
/**
*/
inline IndexT
PrimitiveGroup::GetBaseIndex() const
{
return this->baseIndex;
}
//------------------------------------------------------------------------------
/**
*/
inline void
PrimitiveGroup::SetNumIndices(SizeT n)
{
this->numIndices = n;
}
//------------------------------------------------------------------------------
/**
*/
inline SizeT
PrimitiveGroup::GetNumIndices() const
{
return this->numIndices;
}
//------------------------------------------------------------------------------
/**
*/
inline void
PrimitiveGroup::SetPrimitiveTopology(PrimitiveTopology::Code t)
{
this->primitiveTopology = t;
}
//------------------------------------------------------------------------------
/**
*/
inline PrimitiveTopology::Code
PrimitiveGroup::GetPrimitiveTopology() const
{
return this->primitiveTopology;
}
//------------------------------------------------------------------------------
/**
*/
inline void
PrimitiveGroup::SetBoundingBox(const Math::bbox& b)
{
this->boundingBox = b;
}
//------------------------------------------------------------------------------
/**
*/
inline const Math::bbox&
PrimitiveGroup::GetBoundingBox() const
{
return this->boundingBox;
}
//------------------------------------------------------------------------------
/**
*/
inline const GPtr<VertexBuffer>&
PrimitiveGroup::GetVertexBuffer() const
{
return this->m_vertexBuffer;
}
//------------------------------------------------------------------------------
/**
*/
inline const GPtr<IndexBuffer>&
PrimitiveGroup::GetIndexBuffer() const
{
return this->m_indexBuffer;
}
//------------------------------------------------------------------------------
/**
*/
inline SizeT
PrimitiveGroup::GetNumPrimitives() const
{
if (this->numIndices > 0)
{
return NumberOfPrimitives(this->primitiveTopology, this->numIndices);
}
else
{
return NumberOfPrimitives(this->primitiveTopology, this->numVertices);
}
}
//--------------------------------------------------------------------------------
inline SizeT PrimitiveGroup::NumOfInstVBuffers() const
{
return m_InstanceVBuffers.Size();
}
//--------------------------------------------------------------------------------
inline const GPtr<VertexBuffer>& PrimitiveGroup::GetInstanceVBuffer(IndexT index) const
{
return m_InstanceVBuffers[index];
}
//--------------------------------------------------------------------------------
inline const Util::Array< GPtr<VertexBuffer> >& PrimitiveGroup::GetInstVBufferArray() const
{
return m_InstanceVBuffers;
}
//--------------------------------------------------------------------------------
inline void PrimitiveGroup::SetInstanceCount(SizeT instcount)
{
m_InstanceCount = instcount;
}
//--------------------------------------------------------------------------------
inline SizeT PrimitiveGroup::GetInstanceCount() const
{
return m_InstanceCount;
}
}
#endif