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100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
/*
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* ResourceManager.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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#pragma once
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#include "AIUtility.h"
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#include "../../lib/GameConstants.h"
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#include "../../lib/VCMI_Lib.h"
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#include "VCAI.h"
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#include <boost/heap/binomial_heap.hpp>
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class AIhelper;
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class IResourceManager;
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struct DLL_EXPORT ResourceObjective
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{
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ResourceObjective() = default;
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ResourceObjective(const TResources &res, Goals::TSubgoal goal);
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bool operator < (const ResourceObjective &ro) const;
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TResources resources; //how many resources do we need
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Goals::TSubgoal goal; //what for (build, gather army etc...)
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};
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class DLL_EXPORT IResourceManager //: public: IAbstractManager
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{
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public:
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virtual ~IResourceManager() = default;
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virtual void init(CPlayerSpecificInfoCallback * CB) = 0;
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virtual void setAI(VCAI * AI) = 0;
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virtual TResources reservedResources() const = 0;
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virtual TResources freeResources() const = 0;
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virtual TResource freeGold() const = 0;
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virtual TResources allResources() const = 0;
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virtual TResource allGold() const = 0;
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virtual Goals::TSubgoal whatToDo() const = 0;//get highest-priority goal
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virtual Goals::TSubgoal whatToDo(TResources &res, Goals::TSubgoal goal) = 0;
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virtual bool containsObjective(Goals::TSubgoal goal) const = 0;
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virtual bool hasTasksLeft() const = 0;
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virtual bool removeOutdatedObjectives(std::function<bool(const Goals::TSubgoal &)> predicate) = 0; //remove ResourceObjectives from queue if ResourceObjective->goal meets specific criteria
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virtual bool notifyGoalCompleted(Goals::TSubgoal goal) = 0;
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};
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class DLL_EXPORT ResourceManager : public IResourceManager
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{
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/*Resource Manager is a smart shopping list for AI to help
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Uses priority queue based on CGoal.priority */
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friend class VCAI;
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friend class AIhelper;
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friend struct SetGlobalState;
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CPlayerSpecificInfoCallback * cb; //this is enough, but we downcast from CCallback
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VCAI * ai;
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public:
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ResourceManager() = default;
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ResourceManager(CPlayerSpecificInfoCallback * CB, VCAI * AI = nullptr); //for tests only
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bool canAfford(const TResources & cost) const;
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TResources reservedResources() const override;
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TResources freeResources() const override;
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TResource freeGold() const override;
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TResources allResources() const override;
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TResource allGold() const override;
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Goals::TSubgoal whatToDo() const override; //peek highest-priority goal
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Goals::TSubgoal whatToDo(TResources & res, Goals::TSubgoal goal) override; //can we afford this goal or need to CollectRes?
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bool containsObjective(Goals::TSubgoal goal) const override;
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bool hasTasksLeft() const override;
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bool removeOutdatedObjectives(std::function<bool(const Goals::TSubgoal &)> predicate) override;
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bool notifyGoalCompleted(Goals::TSubgoal goal) override;
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protected: //not-const actions only for AI
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virtual void reserveResources(const TResources & res, Goals::TSubgoal goal = Goals::TSubgoal());
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virtual bool updateGoal(Goals::TSubgoal goal); //new goal must have same properties but different priority
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virtual bool tryPush(const ResourceObjective &o);
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//inner processing
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virtual TResources estimateIncome() const;
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virtual Goals::TSubgoal collectResourcesForOurGoal(ResourceObjective &o) const;
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void init(CPlayerSpecificInfoCallback * CB) override;
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void setAI(VCAI * AI) override;
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private:
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TResources saving;
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boost::heap::binomial_heap<ResourceObjective> queue;
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void dumpToLog() const;
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};
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