122 lines
3.2 KiB
C++
122 lines
3.2 KiB
C++
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//
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// Copyright (c) 2010-2011 Matthew Jack and Doug Binks
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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#include "AssetSystem.h"
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#include "../../Renderer/AURenMesh.h"
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#include "../../RuntimeCompiler/FileSystemUtils.h"
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AssetSystem::AssetSystem(const char* AssetDirName_)
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{
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//search for asset directory
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FileSystemUtils::Path currPath;
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currPath = FileSystemUtils::GetCurrentPath();
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bool bAssetDirFound = false;
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//test root and downwards for directory
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while( currPath.HasParentPath() )
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{
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FileSystemUtils::Path testPath = currPath / AssetDirName_;
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if( testPath.Exists() )
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{
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bAssetDirFound = true;
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m_AssetDirectory = testPath.m_string;
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break;
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}
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currPath = currPath.ParentPath();
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}
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if( !bAssetDirFound )
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{
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//could be a development build, so test location of this source file and down
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currPath = __FILE__;
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if(currPath.Exists() )
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{
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while( currPath.HasParentPath() )
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{
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FileSystemUtils::Path testPath = currPath / AssetDirName_;
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if( testPath.Exists() )
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{
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bAssetDirFound = true;
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m_AssetDirectory = testPath.m_string;
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break;
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}
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currPath = currPath.ParentPath();
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}
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}
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}
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}
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AssetSystem::~AssetSystem()
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{
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MESHMAP::iterator currMesh = m_Meshes.begin();
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while( currMesh != m_Meshes.end() )
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{
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delete currMesh->second;
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++currMesh;
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}
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}
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IAURenderableMesh* AssetSystem::CreateRenderableMeshFromFile( const char* pFilename )
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{
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IAURenderableMesh* pRenMesh= 0;
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std::string filename( pFilename );
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MESHMAP::iterator found = m_Meshes.find( filename );
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if( found != m_Meshes.end() )
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{
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pRenMesh = new AURenderableMesh( found->second );
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}
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else
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{
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std::string fileToLoad( pFilename );
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FindFile( fileToLoad );
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AURenMesh* pMesh = new AURenMesh;
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pMesh->LoadFromFile( fileToLoad );
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m_Meshes[ filename ] = pMesh; //use passed in filename for map
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pRenMesh = new AURenderableMesh( pMesh );
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}
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return pRenMesh;
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}
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void AssetSystem::DestroyRenderableMesh(IAURenderableMesh* pMesh)
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{
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delete pMesh;
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}
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bool AssetSystem::FindFile( std::string& filename )
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{
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if( FileSystemUtils::Path( filename ).Exists() )
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{
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return true;
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}
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//else try in asset directory
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FileSystemUtils::Path testpath = m_AssetDirectory;
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testpath = testpath / filename;
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if( testpath.Exists() )
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{
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filename = testpath.m_string;
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return true;
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}
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return false;
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}
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