mirror of
https://github.com/vcmi/vcmi.git
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4203d69525
1) spell handler refactored to support modding in general way 2) imunnity icons moved to WoG as they depends on wog`s graphics 3) introduced new class template for handlers (todo: use this in other handlers) 4) save format changed 5) introduced "absolute immunity" - unaffected by "the Orb" etc. (todo: use it in config) 6) new format documented on wiki, added json schema. * more split of registertypes - fixes 32 mingw build
102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
#pragma once
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/*
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* IHandlerBase.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "../lib/ConstTransitivePtr.h"
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#include "VCMI_Lib.h"
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#include "CModHandler.h"
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class JsonNode;
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/// base class for all handlers that can be accessed from mod system
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class DLL_LINKAGE IHandlerBase
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{
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// there also should be private member with such signature:
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// Object * loadFromJson(const JsonNode & json);
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// where Object is type of data loaded by handler
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// primary used in loadObject methods
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public:
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/// loads all original game data in vector of json nodes
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/// dataSize - is number of items that must be loaded (normally - constant from GameConstants)
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virtual std::vector<JsonNode> loadLegacyData(size_t dataSize) = 0;
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/// loads single object into game. Scope is namespace of this object, same as name of source mod
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virtual void loadObject(std::string scope, std::string name, const JsonNode & data) = 0;
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virtual void loadObject(std::string scope, std::string name, const JsonNode & data, size_t index) = 0;
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/// allows handler to do post-loading step for validation or integration of loaded data
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virtual void afterLoadFinalization(){};
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/**
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* Gets a list of objects that are allowed by default on maps
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*
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* @return a list of allowed objects, the index is the object id
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*/
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virtual std::vector<bool> getDefaultAllowed() const = 0;
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virtual ~IHandlerBase(){}
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};
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template <class _ObjectID, class _Object> class CHandlerBase: public IHandlerBase
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{
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public:
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virtual ~CHandlerBase()
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{
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for(auto & o : objects)
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{
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o.dellNull();
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}
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}
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void loadObject(std::string scope, std::string name, const JsonNode & data) override
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{
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auto type_name = getTypeName();
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auto object = loadFromJson(data);
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object->id = _ObjectID(objects.size());
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objects.push_back(object);
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VLC->modh->identifiers.registerObject(scope, type_name, name, object->id);
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}
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void loadObject(std::string scope, std::string name, const JsonNode & data, size_t index) override
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{
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auto type_name = getTypeName();
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auto object = loadFromJson(data);
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object->id = _ObjectID(index);
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assert(objects[index] == nullptr); // ensure that this id was not loaded before
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objects[index] = object;
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VLC->modh->identifiers.registerObject(scope,type_name, name, object->id);
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}
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ConstTransitivePtr<_Object> operator[] (const _ObjectID id) const
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{
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const auto raw_id = id.toEnum();
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if (raw_id < 0 || raw_id >= objects.size())
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{
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logGlobal->errorStream() << getTypeName() << " id " << static_cast<si64>(raw_id) << "is invalid";
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throw std::runtime_error ("internal error");
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}
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return objects[raw_id];
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}
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protected:
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virtual _Object * loadFromJson(const JsonNode & json) = 0;
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virtual const std::string getTypeName() = 0;
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public: //todo: make private
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std::vector<ConstTransitivePtr<_Object>> objects;
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};
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