Stan
aef0c3c13a
Reviewed by: @Angen Comments by: @elexis Differential Revision: https://code.wildfiregames.com/D2338 This was SVN commit r23215.
198 lines
5.2 KiB
C++
198 lines
5.2 KiB
C++
/* Copyright (C) 2019 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 "graphics/PreprocessorWrapper.h"
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#include "lib/ogl.h"
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#include "maths/MathUtil.h"
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#include "maths/Vector4D.h"
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#include "ps/CLogger.h"
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#include "ps/ConfigDB.h"
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#include "ps/Filesystem.h"
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#include "ps/XML/Xeromyces.h"
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#include "renderer/RenderingOptions.h"
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#include <sstream>
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CMaterialManager::CMaterialManager()
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{
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qualityLevel = 5.0;
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CFG_GET_VAL("materialmgr.quality", qualityLevel);
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qualityLevel = Clamp(qualityLevel, 0.0f, 10.0f);
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if (VfsDirectoryExists(L"art/materials/") && !CXeromyces::AddValidator(g_VFS, "material", "art/materials/material.rng"))
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LOGERROR("CMaterialManager: failed to load grammar file 'art/materials/material.rng'");
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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 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, "material") != 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(alternative);
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EL(define);
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EL(shader);
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EL(uniform);
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EL(renderquery);
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EL(required_texture);
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EL(conditional_define);
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AT(effect);
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AT(if);
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AT(define);
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AT(quality);
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AT(material);
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AT(name);
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AT(value);
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AT(type);
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AT(min);
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AT(max);
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AT(conf);
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#undef AT
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#undef EL
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CPreprocessorWrapper preprocessor;
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preprocessor.AddDefine("CFG_FORCE_ALPHATEST", g_RenderingOptions.GetForceAlphaTest() ? "1" : "0");
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CMaterial material;
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material.AddStaticUniform("qualityLevel", CVector4D(qualityLevel, 0, 0, 0));
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XMBElement root = xeroFile.GetRoot();
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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_alternative)
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{
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CStr cond = attrs.GetNamedItem(at_if);
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if (cond.empty() || !preprocessor.TestConditional(cond))
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{
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cond = attrs.GetNamedItem(at_quality);
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if (cond.empty())
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continue;
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else
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{
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if (cond.ToFloat() <= qualityLevel)
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continue;
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}
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}
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material = LoadMaterial(VfsPath("art/materials") / attrs.GetNamedItem(at_material).FromUTF8());
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break;
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}
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else 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(CStrIntern(attrs.GetNamedItem(at_name)), CStrIntern(attrs.GetNamedItem(at_value)));
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}
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else if (token == el_conditional_define)
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{
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std::vector<float> args;
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CStr type = attrs.GetNamedItem(at_type).c_str();
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int typeID = -1;
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if (type == CStr("draw_range"))
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{
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typeID = DCOND_DISTANCE;
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float valmin = -1.0f;
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float valmax = -1.0f;
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CStr conf = attrs.GetNamedItem(at_conf);
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if (!conf.empty())
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{
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CFG_GET_VAL("materialmgr." + conf + ".min", valmin);
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CFG_GET_VAL("materialmgr." + conf + ".max", valmax);
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}
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else
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{
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CStr dmin = attrs.GetNamedItem(at_min);
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if (!dmin.empty())
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valmin = attrs.GetNamedItem(at_min).ToFloat();
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CStr dmax = attrs.GetNamedItem(at_max);
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if (!dmax.empty())
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valmax = attrs.GetNamedItem(at_max).ToFloat();
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}
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args.push_back(valmin);
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args.push_back(valmax);
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if (valmin >= 0.0f)
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{
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std::stringstream sstr;
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sstr << valmin;
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material.AddShaderDefine(CStrIntern(conf + "_MIN"), CStrIntern(sstr.str()));
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}
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if (valmax >= 0.0f)
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{
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std::stringstream sstr;
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sstr << valmax;
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material.AddShaderDefine(CStrIntern(conf + "_MAX"), CStrIntern(sstr.str()));
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}
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}
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material.AddConditionalDefine(attrs.GetNamedItem(at_name).c_str(),
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attrs.GetNamedItem(at_value).c_str(),
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typeID, args);
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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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else if (token == el_renderquery)
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{
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material.AddRenderQuery(attrs.GetNamedItem(at_name).c_str());
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}
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else if (token == el_required_texture)
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{
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material.AddRequiredSampler(attrs.GetNamedItem(at_name));
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if (!attrs.GetNamedItem(at_define).empty())
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material.AddShaderDefine(CStrIntern(attrs.GetNamedItem(at_define)), str_1);
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}
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}
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material.RecomputeCombinedShaderDefines();
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m_Materials[pathname] = material;
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return material;
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}
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