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https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 05:13:58 -07:00
b7888aea52
Let materials specify shader uniform values. Use interned strings for shader uniform/attribute names. Remove confusing float* cast operator on CVector4D. Simplify and clean up CVector4D. Remove non-supported 'old' lighting model. This was SVN commit r11453.
84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
/* Copyright (C) 2012 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 "MaterialManager.h"
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#include "lib/ogl.h"
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#include "maths/Vector4D.h"
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#include "ps/Filesystem.h"
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#include "ps/XML/Xeromyces.h"
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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 CMaterial();
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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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return iter->second;
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CXeromyces xeroFile;
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if (xeroFile.Load(g_VFS, pathname) != PSRETURN_OK)
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return CMaterial();
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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(alpha_blending);
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EL(define);
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EL(shader);
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EL(uniform);
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AT(effect);
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AT(name);
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AT(value);
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#undef AT
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#undef EL
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CMaterial material;
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XMBElement root = xeroFile.GetRoot();
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XMBElementList childNodes = root.GetChildNodes();
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XERO_ITER_EL(root, node)
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{
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int token = node.GetNodeName();
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XMBAttributeList attrs = node.GetAttributes();
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if (token == el_alpha_blending)
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{
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material.SetUsesAlphaBlending(true);
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}
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else if (token == el_shader)
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{
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material.SetShaderEffect(attrs.GetNamedItem(at_effect));
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}
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else if (token == el_define)
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{
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material.AddShaderDefine(attrs.GetNamedItem(at_name).c_str(), attrs.GetNamedItem(at_value).c_str());
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}
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else if (token == el_uniform)
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{
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std::stringstream str(attrs.GetNamedItem(at_value));
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CVector4D vec;
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str >> vec.X >> vec.Y >> vec.Z >> vec.W;
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material.AddStaticUniform(attrs.GetNamedItem(at_name).c_str(), vec);
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}
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}
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m_Materials[pathname] = material;
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return material;
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}
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