115 lines
2.7 KiB
C++
115 lines
2.7 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "lib/ogl.h"
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#include "ps/Filesystem.h"
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#include "ps/XML/Xeromyces.h"
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#include "MaterialManager.h"
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static bool ParseUsage(CStr temp)
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{
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temp = temp.LowerCase().Trim(PS_TRIM_BOTH);
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if(temp == "blend" ||
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temp == "true" ||
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temp == "yes" ||
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temp.ToInt() > 0)
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return true;
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return false;
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}
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CMaterialManager::CMaterialManager()
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{
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}
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CMaterialManager::~CMaterialManager()
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{
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std::map<VfsPath, CMaterial*>::iterator iter;
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for(iter = m_Materials.begin(); iter != m_Materials.end(); iter++)
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delete (*iter).second;
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m_Materials.clear();
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}
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CMaterial& CMaterialManager::LoadMaterial(const VfsPath& pathname)
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{
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if(pathname.empty())
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return NullMaterial;
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std::map<VfsPath, CMaterial*>::iterator iter = m_Materials.find(pathname);
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if(iter != m_Materials.end())
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{
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if((*iter).second)
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return *(*iter).second;
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}
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CXeromyces xeroFile;
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if(xeroFile.Load(g_VFS, pathname) != PSRETURN_OK)
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return NullMaterial;
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#define EL(x) int el_##x = xeroFile.GetElementID(#x)
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#define AT(x) int at_##x = xeroFile.GetAttributeID(#x)
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EL(texture);
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EL(alpha);
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AT(usage);
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#undef AT
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#undef EL
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CMaterial *material = NULL;
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try
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{
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XMBElement root = xeroFile.GetRoot();
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XMBElementList childNodes = root.GetChildNodes();
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material = new CMaterial();
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for(int i = 0; i < childNodes.Count; i++)
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{
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XMBElement node = childNodes.Item(i);
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int token = node.GetNodeName();
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XMBAttributeList attrs = node.GetAttributes();
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CStr temp;
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if(token == el_texture)
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{
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CStr value(node.GetText());
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material->SetTexture(value);
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}
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else if(token == el_alpha)
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{
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temp = CStr(attrs.GetNamedItem(at_usage));
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// Determine whether the alpha is used for basic transparency or player color
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if (temp == "playercolor")
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material->SetUsePlayerColor(true);
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else if (temp == "objectcolor")
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material->SetUseTextureColor(true);
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else
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material->SetUsesAlpha(ParseUsage(temp));
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}
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}
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m_Materials[pathname] = material;
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}
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catch(...)
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{
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SAFE_DELETE(material);
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throw;
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}
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return *material;
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}
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