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https://github.com/libretro/scummvm.git
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106 lines
3.9 KiB
C++
106 lines
3.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program 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 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef MTROPOLIS_MODIFIER_FACTORY_H
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#define MTROPOLIS_MODIFIER_FACTORY_H
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#include "mtropolis/data.h"
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#include "mtropolis/runtime.h"
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namespace MTropolis {
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struct ModifierLoaderContext {
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explicit ModifierLoaderContext(ChildLoaderStack *mlc_childLoaderStack);
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ChildLoaderStack *childLoaderStack;
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};
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struct SIModifierFactory {
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Common::SharedPtr<Modifier> (*createModifier)(ModifierLoaderContext &context, const Data::DataObject &dataObject);
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};
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struct IPlugInModifierFactory : public IInterfaceBase {
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virtual Common::SharedPtr<Modifier> createModifier(ModifierLoaderContext &context, const Data::PlugInModifier &plugInModifierData) const = 0;
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};
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struct IPlugInModifierFactoryAndDataFactory : public IPlugInModifierFactory, public Data::IPlugInModifierDataFactory {
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};
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// Helper classes for plug-in modifier loaders
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struct PlugInModifierLoaderContext {
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PlugInModifierLoaderContext(ModifierLoaderContext &pmlc_modifierLoaderContext, const Data::PlugInModifier &pmlc_plugInModifierData, PlugIn *pmlc_plugIn);
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ModifierLoaderContext &modifierLoaderContext;
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const Data::PlugInModifier &plugInModifierData;
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PlugIn *plugIn;
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};
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template<typename TModifier, typename TModifierData>
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class PlugInModifierFactory : public IPlugInModifierFactoryAndDataFactory {
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public:
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explicit PlugInModifierFactory(PlugIn *plugIn);
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Common::SharedPtr<Modifier> createModifier(ModifierLoaderContext &context, const Data::PlugInModifier &plugInModifierData) const override;
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Common::SharedPtr<Data::PlugInModifierData> createModifierData() const override;
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PlugIn &getPlugIn() const override;
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private:
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PlugIn &_plugIn;
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};
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template<typename TModifier, typename TModifierData>
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PlugInModifierFactory<TModifier, TModifierData>::PlugInModifierFactory(PlugIn *plugIn) : _plugIn(*plugIn) {
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}
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template<typename TModifier, typename TModifierData>
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Common::SharedPtr<Modifier> PlugInModifierFactory<TModifier, TModifierData>::createModifier(ModifierLoaderContext &context, const Data::PlugInModifier &plugInModifierData) const {
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Common::SharedPtr<TModifier> modifier(new TModifier());
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PlugInModifierLoaderContext plugInContext(context, plugInModifierData, &_plugIn);
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Modifier *downcastMod = static_cast<Modifier *>(modifier.get());
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if (!downcastMod->loadPlugInHeader(plugInContext) || !modifier->load(plugInContext, static_cast<const TModifierData &>(*plugInModifierData.plugInData.get())))
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modifier.reset();
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else {
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if (downcastMod->getName().empty())
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downcastMod->setName(downcastMod->getDefaultName());
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downcastMod->setSelfReference(modifier);
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}
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return Common::SharedPtr<Modifier>(modifier);
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}
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template<typename TModifier, typename TModifierData>
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Common::SharedPtr<Data::PlugInModifierData> PlugInModifierFactory<TModifier, TModifierData>::createModifierData() const {
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return Common::SharedPtr<Data::PlugInModifierData>(new TModifierData());
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}
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template<typename TModifier, typename TModifierData>
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PlugIn& PlugInModifierFactory<TModifier, TModifierData>::getPlugIn() const {
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return _plugIn;
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}
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SIModifierFactory *getModifierFactoryForDataObjectType(Data::DataObjectTypes::DataObjectType dataObjectType);
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} // End of namespace MTropolis
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#endif
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