679 lines
16 KiB
C++
679 lines
16 KiB
C++
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/****************************************************************************
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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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#include "resource/resource_stdneb.h"
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#include "resource/meshresloader.h"
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#include "resource/reslable.h"
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#include "system/byteorder.h"
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#include "resource/DataChunkPacket.h"
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#include "resource/meshSpliter.h"
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#include "RenderSystem.h"
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namespace Resources
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{
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__ImplementClass(Resources::MeshResLoader,'MRLD',Resources::ResourceLoader);
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//------------------------------------------------------------------------
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MeshResLoader::MeshResLoader()
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{
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}
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//------------------------------------------------------------------------
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MeshResLoader::~MeshResLoader()
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{
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}
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//------------------------------------------------------------------------
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bool
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MeshResLoader::LoadResource(Resource* res )
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{
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if ( !res )
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return false;
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if ( res->GetRtti() != &MeshRes::RTTI )
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{
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return false;
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}
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GPtr<Resource> pRes = res;
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GPtr<MeshRes> pMeshRes = pRes.downcast<MeshRes>();
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n_assert(pMeshRes);
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if ( !mStream.isvalid() )
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{
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return false;
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}
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GPtr<IO::BinaryReader> pReader = IO::BinaryReader::Create();
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n_assert(pReader.isvalid());
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pReader->SetStream( mStream );
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#if __OSX__
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pReader->SetStreamByteOrder(System::ByteOrder::BigEndian);
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#else
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// All files are little endian
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pReader->SetStreamByteOrder(System::ByteOrder::LittleEndian);
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#endif
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if ( !pReader->Open() )
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{
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return false;
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}
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// mesh does not support stream, in order to reload correctly, unload existing data first.
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pMeshRes->UnLoadImpl();
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// load data
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if ( !LoadMesh(pReader, pMeshRes) )
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{
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pReader->Close();
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return false;
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}
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pReader->Close();
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#if NEBULA3_BOUNDSCHECKS
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if ( !pMeshRes->Validate() )
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{
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n_warning( " MeshResLoader::LoadResource: %s is not valid \n", pMeshRes->GetResourceId().AsString().AsCharPtr() );
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return false;
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}
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#endif
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// check bone num
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#if RENDERDEVICE_OPENGLES
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int nMaxBoneBySubmesh = (RenderBase::GraphicCardCapability::s_mMaxUniformVectors-16)/4;
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SizeT oldSubmeshCount =pMeshRes->GetSubMeshCount();
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for ( SizeT i = 0; i < oldSubmeshCount; ++i )
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{
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Util::Array<uchar>& affectdBones = pMeshRes->GetAffectedBonesIndex(i);
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if ( affectdBones.Size() > nMaxBoneBySubmesh )
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{
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n_warning("need to reimport fbx,cur device support boneNum:%d,mesh boneNum:%d,meshID:%s",nMaxBoneBySubmesh,affectdBones.Size(),pMeshRes->GetMeshID().Get());
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break;
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}
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}
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#endif
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// dynamic split will discard
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MeshSpliter::Instance()->DoWork(pMeshRes);
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return true;
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}
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//------------------------------------------------------------------------
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bool
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MeshResLoader::LoadMesh(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh )
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{
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int magicNum = pReader->ReadInt();
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if ( magicNum != ResLable::L_Mesh )
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{
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return false;
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}
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int version = pReader->ReadInt();
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if ( version == 1 )
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{
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return Load_1(pReader, pMesh);
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}
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else if(version == 2)
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{
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return Load_2(pReader, pMesh);
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}
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else if(version == 3)
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{
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return Load_3(pReader, pMesh);
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}
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else
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{
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// not support other version now
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return false;
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}
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return false;
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}
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//------------------------------------------------------------------------
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bool MeshResLoader::Load_1( GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh )
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{
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do
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{
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int type = pReader->ReadInt();
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if ( type == ResLable::L_End )
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{
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// End of file label read
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return true;
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}
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switch ( type )
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{
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case ResLable::L_Tolopogy:
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{
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if ( !ReadTopology(pReader, pMesh ) )
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{
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return false;
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}
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}
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break;
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case ResLable::L_Position:
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{
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if ( !ReadPosition(pReader, pMesh ) )
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{
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return false;
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}
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}
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break;
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case ResLable::L_Index:
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{
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if ( !ReadIndex(pReader, pMesh ) )
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{
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return false;
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}
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}
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break;
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case ResLable::L_Color:
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{
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if ( !ReadColor(pReader, pMesh ) )
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{
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return false;
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}
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}
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break;
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case ResLable::L_TexCoord:
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{
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if ( !ReadTexCoord(pReader, pMesh ) )
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{
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return false;
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}
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}
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break;
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case ResLable::L_Normal:
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{
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if ( !ReadNormal(pReader, pMesh ) )
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{
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return false;
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}
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}
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break;
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case ResLable::L_Tangent:
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{
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if ( !ReadTangent(pReader, pMesh ) )
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{
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return false;
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}
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}
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break;
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case ResLable::L_BiNormal:
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{
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if ( !ReadBiNormal(pReader, pMesh ) )
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{
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return false;
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}
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}
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break;
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case ResLable::L_BoneInfo:
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{
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if ( !ReadBoneInfo(pReader, pMesh ) )
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{
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return false;
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}
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}
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break;
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case ResLable::L_SubMesh:
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{
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if ( !ReadSubMesh(pReader, pMesh ) )
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{
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return false;
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}
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}
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break;
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case ResLable::L_AffectedBones:
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{
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if ( !ReadAffectedBones(pReader, pMesh) )
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{
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return false;
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}
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}
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break;
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default:
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return false; // Unknown label read, file may corrupted.
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}
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}
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while ( !pReader->Eof() );
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return true;
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}
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bool MeshResLoader::Load_2( GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh )
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{
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int type = pReader->ReadInt();
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if ( type == ResLable::L_End )
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{
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// End of file label read
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return true;
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}
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if ( type == ResLable::L_MeshID )
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{
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Util::String meshId = pReader->ReadString();
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pMesh->SetMeshID(meshId);
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}
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return Load_1(pReader, pMesh);
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}
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bool MeshResLoader::Load_3( GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh )
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{
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int type = pReader->ReadInt();
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if ( type == ResLable::L_End )
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{
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// End of file label read
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return true;
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}
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if ( type == ResLable::L_MeshID )
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{
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Util::String meshId = pReader->ReadString();
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pMesh->SetMeshID(meshId);
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}
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return Load_1(pReader, pMesh);
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}
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//------------------------------------------------------------------------
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bool
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MeshResLoader::ReadTopology(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh )
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{
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int topologyType = pReader->ReadInt();
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pMesh->SetTopologyType( (RenderBase::PrimitiveTopology::Code)topologyType );
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float box[6];
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box[0] = pReader->ReadFloat();
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box[1] = pReader->ReadFloat();
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box[2] = pReader->ReadFloat();
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box[3] = pReader->ReadFloat();
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box[4] = pReader->ReadFloat();
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box[5] = pReader->ReadFloat();
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Math::bbox bb;
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bb.pmin.set( box[0],box[1],box[2] );
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bb.pmax.set( box[3],box[4],box[5] );
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pMesh->SetBoundingBox( bb );
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return true;
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}
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/// Fast write an array. ElemSize is byte size of element in the array you wish to write, it will check whether ElemSize equals T::value_type in case of mistake.
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template<int ElemSize, typename T>
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bool _FastReadArray(T& t,GPtr<IO::BinaryReader>& pReader)
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{
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n_static_assert( sizeof( typename T::value_type ) == ElemSize );
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int count = pReader->ReadInt();
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if ( count < 0 )
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{
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return false;
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}
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if( count == 0 )
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{
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t.Clear();
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return true;
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}
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#if __WIN32__ || __ANDROID__ || __OSX__
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// need not swap. so can copy memory
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t.Resize(count, typename T::value_type() );
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pReader->ReadRawData( &t[0], count*sizeof(typename T::value_type) );
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return true;
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#else
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//#error // don't kown if can directly copy now, should impl by Platform
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#endif
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}
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//------------------------------------------------------------------------
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bool
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MeshResLoader::ReadPosition(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh)
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{
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int storage = pReader->ReadInt();
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if ( storage == ResLable::S_StdPosition )
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{
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return _FastReadArray<12>(pMesh->mPosition, pReader );
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}
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else if (storage == ResLable::S_PackedFloatFmt)
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{
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return ReadPackedFloat<PositionData, Math::float3>(pReader, pMesh->mPosition);
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}
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else
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{
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// unknown storage type
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return false;
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}
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return false;
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}
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//------------------------------------------------------------------------
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bool
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MeshResLoader::ReadIndex(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh)
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{
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int storage = pReader->ReadInt();
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if ( storage == ResLable::S_StdIndex16 )
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{
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return _FastReadArray<2>(pMesh->mIndex16, pReader );
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}
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else if ( storage == static_cast<int>(ResLable::S_StdIndex32) )
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{
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return _FastReadArray<4>(pMesh->mIndex32, pReader );
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}
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else if (storage == static_cast<int>(ResLable::S_PackedIntFmt) )
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{
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unsigned char indexByte = pReader->ReadUChar();
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if (indexByte == 2)
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{
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return ReadPackedInt<Index16Container, ushort, ushort>(pReader, pMesh->mIndex16);
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}
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else if (indexByte == 4)
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{
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return ReadPackedInt<Index32Container, uint, uint>(pReader, pMesh->mIndex32);
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}
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}
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else
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{
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|
// unknown storage type
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
bool
|
||
|
|
MeshResLoader::ReadColor(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh)
|
||
|
|
{
|
||
|
|
int storage = pReader->ReadInt();
|
||
|
|
|
||
|
|
if ( storage == ResLable::S_StdColor )
|
||
|
|
{
|
||
|
|
return _FastReadArray<4>(pMesh->mColor, pReader );
|
||
|
|
}
|
||
|
|
else if (storage == static_cast<int>(ResLable::S_PackedIntFmt))
|
||
|
|
{
|
||
|
|
Util::Array<unsigned char> tmpArray;
|
||
|
|
ReadPackedInt<Util::Array<unsigned char>, unsigned char, unsigned char>(pReader, tmpArray);
|
||
|
|
|
||
|
|
if (tmpArray.Size() == 0)
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
pMesh->mColor.Resize(tmpArray.Size() / 4, Math::Color32());
|
||
|
|
|
||
|
|
for (int i = 0; i < tmpArray.Size(); )
|
||
|
|
{
|
||
|
|
int j = i/4;
|
||
|
|
pMesh->mColor[j].r = tmpArray[i++]; /* / 255.0f;*/
|
||
|
|
pMesh->mColor[j].g = tmpArray[i++]; /* / 255.0f;*/
|
||
|
|
pMesh->mColor[j].b = tmpArray[i++]; /* / 255.0f;*/
|
||
|
|
pMesh->mColor[j].a = tmpArray[i++]; /* / 255.0f;*/
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// unknown storage type
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
bool
|
||
|
|
MeshResLoader::ReadTexCoord(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh)
|
||
|
|
{
|
||
|
|
int storage = pReader->ReadInt();
|
||
|
|
|
||
|
|
if ( storage == ResLable::S_StdTexCoord )
|
||
|
|
{
|
||
|
|
pMesh->mTexCoords.Append( TexCoordData() );
|
||
|
|
return _FastReadArray<8>(pMesh->mTexCoords.Back(), pReader );
|
||
|
|
}
|
||
|
|
else if (storage == ResLable::S_PackedFloatFmt)
|
||
|
|
{
|
||
|
|
pMesh->mTexCoords.Append( TexCoordData() );
|
||
|
|
return ReadPackedFloat<TexCoordData, Math::float2>(pReader, pMesh->mTexCoords.Back());
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// unknown storage type
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
bool
|
||
|
|
MeshResLoader::ReadNormal(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh)
|
||
|
|
{
|
||
|
|
int storage = pReader->ReadInt();
|
||
|
|
|
||
|
|
if ( storage == ResLable::S_StdNormal )
|
||
|
|
{
|
||
|
|
return _FastReadArray<12>(pMesh->mNormal, pReader );
|
||
|
|
}
|
||
|
|
else if (storage == ResLable::S_PackedFloatFmt)
|
||
|
|
{
|
||
|
|
return ReadPackedFloat<NormalData, Math::float3>(pReader, pMesh->mNormal);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// unknown storage type
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
bool
|
||
|
|
MeshResLoader::ReadTangent(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh)
|
||
|
|
{
|
||
|
|
int storage = pReader->ReadInt();
|
||
|
|
|
||
|
|
if ( storage == ResLable::S_StdTangent )
|
||
|
|
{
|
||
|
|
return _FastReadArray<16>(pMesh->mTangent, pReader );
|
||
|
|
}
|
||
|
|
else if (storage == static_cast<int>(ResLable::S_PackedFloatFmt))
|
||
|
|
{
|
||
|
|
return ReadPackedFloat<TangentData, Math::float4>(pReader, pMesh->mTangent);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// unknown storage type
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
bool
|
||
|
|
MeshResLoader::ReadBiNormal(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh)
|
||
|
|
{
|
||
|
|
int storage = pReader->ReadInt();
|
||
|
|
|
||
|
|
if ( storage == ResLable::S_StdBiNormal )
|
||
|
|
{
|
||
|
|
return _FastReadArray<16>(pMesh->mBiNormal, pReader );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// unknown storage type
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
bool
|
||
|
|
MeshResLoader::ReadBoneInfo(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh)
|
||
|
|
{
|
||
|
|
int storage = pReader->ReadInt();
|
||
|
|
|
||
|
|
if ( storage == ResLable::S_StdBoneInfo )
|
||
|
|
{
|
||
|
|
return _FastReadArray<24>(pMesh->mBoneInfo, pReader );
|
||
|
|
}
|
||
|
|
else if (storage == ResLable::S_PackedFloatFmt || storage == ResLable::S_PackedIntFmt)
|
||
|
|
{
|
||
|
|
Util::Array<Math::float4> tmpFloatArray;
|
||
|
|
if (!ReadPackedFloat<Util::Array<Math::float4>, Math::float4>(pReader, tmpFloatArray))
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
Util::Array<unsigned short> tmpIntArray;
|
||
|
|
if(!ReadPackedInt<Util::Array<unsigned short>, unsigned short, unsigned short>(pReader, tmpIntArray) )
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
n_assert(tmpFloatArray.Size() * 4 == tmpIntArray.Size());
|
||
|
|
|
||
|
|
pMesh->mBoneInfo.Resize(tmpFloatArray.Size(), Resources::BoneInfo());
|
||
|
|
|
||
|
|
for (int i = 0; i < pMesh->mBoneInfo.Size(); ++i)
|
||
|
|
{
|
||
|
|
pMesh->mBoneInfo[i].boneWeight[0] = tmpFloatArray[i].x();
|
||
|
|
pMesh->mBoneInfo[i].boneWeight[1] = tmpFloatArray[i].y();
|
||
|
|
pMesh->mBoneInfo[i].boneWeight[2] = tmpFloatArray[i].z();
|
||
|
|
pMesh->mBoneInfo[i].boneWeight[3] = tmpFloatArray[i].w();
|
||
|
|
|
||
|
|
pMesh->mBoneInfo[i].boneIndex[0] = tmpIntArray[i*4];
|
||
|
|
pMesh->mBoneInfo[i].boneIndex[1] = tmpIntArray[i*4+1];
|
||
|
|
pMesh->mBoneInfo[i].boneIndex[2] = tmpIntArray[i*4+2];
|
||
|
|
pMesh->mBoneInfo[i].boneIndex[3] = tmpIntArray[i*4+3];
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// unknown storage type
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
bool
|
||
|
|
MeshResLoader::ReadSubMesh(GPtr<IO::BinaryReader>& pReader, GPtr<MeshRes>& pMesh)
|
||
|
|
{
|
||
|
|
int storage = pReader->ReadInt();
|
||
|
|
|
||
|
|
if ( storage == ResLable::S_StdSubMesh )
|
||
|
|
{
|
||
|
|
int Count = pReader->ReadInt();
|
||
|
|
for ( int i = 0; i < Count; ++i )
|
||
|
|
{
|
||
|
|
pMesh->mSubMeshs.Append( SubMesh() );
|
||
|
|
SubMesh& sMesh = pMesh->mSubMeshs.Back();
|
||
|
|
sMesh.firstVertex = pReader->ReadInt();
|
||
|
|
sMesh.numVertex = pReader->ReadInt();
|
||
|
|
sMesh.FirstIndex = pReader->ReadInt();
|
||
|
|
sMesh.numIndex = pReader->ReadInt();
|
||
|
|
|
||
|
|
float box[6];
|
||
|
|
box[0] = pReader->ReadFloat();
|
||
|
|
box[1] = pReader->ReadFloat();
|
||
|
|
box[2] = pReader->ReadFloat();
|
||
|
|
box[3] = pReader->ReadFloat();
|
||
|
|
box[4] = pReader->ReadFloat();
|
||
|
|
box[5] = pReader->ReadFloat();
|
||
|
|
|
||
|
|
sMesh.box.pmin.set( box[0],box[1],box[2] );
|
||
|
|
sMesh.box.pmax.set( box[3],box[4],box[5] );
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// unknown storage type
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
bool
|
||
|
|
MeshResLoader::ReadAffectedBones(GPtr<IO::BinaryReader> &pReader, GPtr<MeshRes> &pMesh)
|
||
|
|
{
|
||
|
|
int storage = pReader->ReadInt();
|
||
|
|
|
||
|
|
if (storage == ResLable::S_StdAffectedBones)
|
||
|
|
{
|
||
|
|
int Count = pReader->ReadInt();
|
||
|
|
|
||
|
|
Util::Array<uchar> bonesArray;
|
||
|
|
for ( int i = 0; i < Count; ++i )
|
||
|
|
{
|
||
|
|
pMesh->mAffectedBonesIndex.Append(bonesArray);
|
||
|
|
int nBonesAffected = static_cast<int>(pReader->ReadUChar());
|
||
|
|
pMesh->mAffectedBonesIndex[i].Reserve(nBonesAffected);
|
||
|
|
|
||
|
|
for (int iBone = 0; iBone<nBonesAffected; ++iBone)
|
||
|
|
{
|
||
|
|
uchar boneIndex = pReader->ReadUChar();
|
||
|
|
pMesh->mAffectedBonesIndex[i].Append(boneIndex);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|