360 lines
9.9 KiB
C++
360 lines
9.9 KiB
C++
/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __INSTANCE_MAP_H__
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#define __INSTANCE_MAP_H__
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#include "vegetation/vegetation_fwd_decl.h"
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//#include "vegetation/VegetationObejct.h"
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#include "rendersystem/base/PrimitiveGroup.h"
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#include "resource/meshres.h"
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#include "foundation/math/float3.h"
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#include "foundation/math/quaternion.h"
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namespace Vegetation
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{
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using namespace Resources;
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using namespace RenderBase;
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class VegetationObject;
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//matrix3x3
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static const SizeT g_nNumBatchInstance = 50;
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static const SizeT g_VertexCount = 4;
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static const SizeT g_IndexCount = 6;
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/// base vertex data
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struct VEGE_VERTEX
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{
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Math::float3 pos; // Position of the vertex
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Math::float3 normal; // Normal at this vertex
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Math::Color32 color; //Color r,g,b,a
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Math::float2 uv; // Texture coordinates u,v
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};
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/// vertex data with index
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struct VEGE_VERTEX_INSTANCE
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{
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Math::float3 pos; // Position of the vertex
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Math::float3 normal; // Normal at this vertex
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Math::Color32 color; //Color r,g,b,a
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Math::float2 uv; // Texture coordinates u,v
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Math::float2 index; //Index for Shader, and wave
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};
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/// instance data
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struct INSTANCEDATA_POS
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{
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#ifdef __GENESIS_EDITOR__
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static uint Index;
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uint id;
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#endif
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Math::float3 pos;
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//Math::scalar scale; //x - width ,y - height
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Math::float3 scale;
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Math::float3 rotate;
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Math::scalar color; //Color r,g,b,a
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Math::scalar wave; // a time (float) for wave
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INSTANCEDATA_POS()
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{
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#ifdef __GENESIS_EDITOR__
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id = Index++;
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#endif
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pos = Math::float3(0,0,0);
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scale = Math::float3(1,1,1);
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rotate = Math::float3(0,0,0);
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color = 0.0f;//Math::Color32(255,255,255,255);
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wave = 1.0f;
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}
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inline INSTANCEDATA_POS& operator = ( const INSTANCEDATA_POS& data )
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{
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#ifdef __GENESIS_EDITOR__
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id = data.id;
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#endif
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pos = data.pos;
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scale = data.scale;
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rotate = data.rotate;
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color = data.color;
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wave = data.wave;
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return *this;
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}
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};
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struct VEGE_VERTEX_BUFFER
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{
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union
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{
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VEGE_VERTEX* vege_vert;
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VEGE_VERTEX_INSTANCE* vege_vert_inst;
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};
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};
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typedef Util::Array<VEGE_VERTEX_BUFFER> InstanceVertArray;
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typedef Util::Array<INSTANCEDATA_POS> InstancePosArray;
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//typedef Util::Dictionary<Util::, >
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/*! \class InstanceMap InstanceMap.h
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* \brief This is a class.
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*
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* base class, be used to organize data for shader Instance
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*/
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class VegeInstanceMap: public Core::RefCounted, Serialization::ISerialize
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{
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__DeclareClass( VegeInstanceMap )
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public:
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VegeInstanceMap();
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virtual ~VegeInstanceMap();
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///
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const static GPtr<VegeInstanceMap> NullVegeInstMap;
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virtual void Update();
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virtual void UpdateInstData();
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VegetationObject* GetParentVegeObject(void) const;
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void SetParentVegeObject( VegetationObject* obj);
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void Active();
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void DeActive(void);
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bool IsActive(void) const;
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bool IsDirty(void)const;
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void SetDirty(bool);
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virtual bool BuildPrimitive();
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virtual void BuildVertexComponents(const GPtr<Resources::MeshRes>& meshres);
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virtual bool CreateInstanceVBuffer( GPtr<RenderBase::PrimitiveGroup>& );
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protected:
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void _FillInstanceVBuffer( GPtr<VertexBuffer>& pVBO );
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public:
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///
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void SetParentMatrix( const Math::matrix44& m );
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//void SetName( const Util::String& name);
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//const Util::String& GetName(void) const;
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/// Is using HardWare Instance type
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bool IsHWInstancing(void) const;
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/// Set HWINstancing
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void SetHWInstacing(bool);
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/// Get instanceCount which in array
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const SizeT GetVertLimitCount( void ) const;
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/// get the total count
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const SizeT GetInstanceCount( void ) const;
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/// add a instance to instanceMap
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void AddInstance(const INSTANCEDATA_POS& inst);
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/// get the struct data of instance
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INSTANCEDATA_POS* GetInstance( IndexT index );
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const INSTANCEDATA_POS& GetInstance( IndexT index ) const;
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/// replace an instance
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void ReplaceInstance(const INSTANCEDATA_POS& inst, IndexT index);
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/// remove a single instance
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void RemoveInstance(IndexT index);
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/// Perform initialisation actions
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virtual void _onActivate(void);
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/// Reverse initialisation actions
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virtual void _onDeactivate(void);
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void _calcAxisVec(ushort, Math::vector& );
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public: // Serialization
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// @ISerialization::GetVersion. when change storage, must add SerializeSVersion count
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virtual Serialization::SVersion GetVersion() const;
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// @ISerialization::Load
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virtual void Load( Serialization::SVersion ver, Serialization::SerializeReader* pReader, const Serialization::SerializationArgs* args );
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// @ISerialization::Save
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virtual void Save( Serialization::SerializeWriter* pWriter ) const;
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// copy
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virtual void CopyFrom( const GPtr<VegeInstanceMap>& instmap );
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protected:
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InstancePosArray mInstances;
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VegetationObject* mVegeObject;
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bool mIsActive;
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Util::Array<RenderBase::VertexComponent> m_vVerDeclare;
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SizeT m_nVertCount;
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SizeT m_nIndicesCount;
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SizeT m_nInstUsingCount;
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SizeT m_nVertLimitCount;
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SizeT m_nVertexDataSize;
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bool m_bHWInstancing;
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bool m_bInstDirty;
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};
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//--------------------------------------------------------------------------------
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inline bool VegeInstanceMap::IsHWInstancing(void) const
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{
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return m_bHWInstancing;
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}
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//--------------------------------------------------------------------------------
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inline void VegeInstanceMap::SetHWInstacing(bool bUseHWInst)
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{
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m_bHWInstancing = bUseHWInst;
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}
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//-----------------------------------------------------------------------
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inline const SizeT VegeInstanceMap::GetVertLimitCount( void ) const
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{
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return m_nVertLimitCount;
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}
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//------------------------------------------------------------------------
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inline const SizeT VegeInstanceMap::GetInstanceCount( void ) const
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{
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return mInstances.Size();
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}
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//-------------------------------------------------------------------------
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inline INSTANCEDATA_POS* VegeInstanceMap::GetInstance( IndexT index )
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{
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return &mInstances[index];
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}
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//--------------------------------------------------------------------------------
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inline const INSTANCEDATA_POS& VegeInstanceMap::GetInstance( IndexT index ) const
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{
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return mInstances[index];
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}
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//------------------------------------------------------------------------
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inline void VegeInstanceMap::ReplaceInstance(const INSTANCEDATA_POS& inst, IndexT index)
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{
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mInstances[index] = inst;
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}
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//------------------------------------------------------------------------
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inline void VegeInstanceMap::RemoveInstance(IndexT index)
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{
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//BaseVegeInstance& tInst= mInstances[index];
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if (mInstances.Size() > index && index >= 0)
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{
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mInstances.EraseIndex(index);
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SetDirty(true);
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}
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}
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//------------------------------------------------------------------------
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inline bool VegeInstanceMap::IsActive(void) const
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{
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return mIsActive;
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}
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//--------------------------------------------------------------------------------
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inline bool VegeInstanceMap::IsDirty(void)const
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{
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return m_bInstDirty;
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}
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//--------------------------------------------------------------------------------
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inline void VegeInstanceMap::SetDirty(bool bdirty)
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{
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m_bInstDirty = bdirty;
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}
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//------------------------------------------------------------------------
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inline VegetationObject* VegeInstanceMap::GetParentVegeObject(void) const
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{
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return mVegeObject;
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}
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//------------------------------------------------------------------------
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inline void VegeInstanceMap::SetParentVegeObject( VegetationObject* obj)
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{
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mVegeObject = obj;
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}
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//------------------------------------------------------------------------
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template<typename T, SizeT elemSize >
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void StripeCopyValue( const T* from, uchar* to, SizeT toElemsSize, SizeT toStripe, SizeT numToCopy )
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{
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n_assert( from && to );
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n_assert( toStripe >= 0 && numToCopy > 0 );
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n_static_assert( elemSize == sizeof(T) );
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to += toStripe;
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for( IndexT i = 0; i < numToCopy; ++i )
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{
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Memory::Copy( from, to, elemSize );
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to += toElemsSize;
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}
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}
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//------------------------------------------------------------------------
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template<typename T, SizeT elemSize >
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void StripeCopy( const T* from, uchar* to, SizeT toElemsSize, SizeT toStripe, SizeT numToCopy )
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{
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n_assert( from && to );
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n_assert( toStripe >= 0 && numToCopy > 0 );
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n_static_assert( elemSize == sizeof(T) );
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to += toStripe;
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for( IndexT i = 0; i < numToCopy; ++i )
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{
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Memory::Copy( from, to, elemSize );
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++from;
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to += toElemsSize;
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}
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}
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//------------------------------------------------------------------------
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template<typename T , SizeT elemSize >
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void StripeSwapCopyColor( const T* from, uchar* to, SizeT toElemsSize, SizeT toStripe, SizeT numToCopy )
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{
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n_assert( from && to );
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n_assert( toStripe >= 0 && numToCopy > 0 );
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n_static_assert( elemSize == sizeof(T) ); // color is 4 byte
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to += toStripe;
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for( IndexT i = 0; i < numToCopy; ++i )
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{
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*((int*)to) = ((Math::Color32*)from)->HexARGB();
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++from;
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to += toElemsSize;
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}
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}
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}
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#endif // __INSTANCE_MAP_H__
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