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/*
* SpecialAction.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
#include "../../AIUtility.h"
#include "../../Goals/AbstractGoal.h"
VCMI_LIB_NAMESPACE_BEGIN
struct PathNodeInfo;
struct CDestinationNodeInfo;
VCMI_LIB_NAMESPACE_END
namespace NKAI
{
struct AIPathNode;
struct AIPathNodeInfo;
class ChainActor;
class SpecialAction
{
public:
virtual ~SpecialAction() = default;
virtual bool canAct(const Nullkiller * ai, const AIPathNode * source) const
{
return true;
}
virtual bool canAct(const Nullkiller * ai, const AIPathNodeInfo & source) const
{
return true;
}
virtual Goals::TSubgoal decompose(const Nullkiller * ai, const CGHeroInstance * hero) const;
virtual void execute(AIGateway * ai, const CGHeroInstance * hero) const;
virtual void applyOnDestination(
const CGHeroInstance * hero,
CDestinationNodeInfo & destination,
const PathNodeInfo & source,
AIPathNode * dstNode,
const AIPathNode * srcNode) const
{
}
virtual std::string toString() const = 0;
virtual const CGObjectInstance * targetObject() const { return nullptr; }
virtual std::vector<std::shared_ptr<const SpecialAction>> getParts() const
{
return {};
}
virtual const ChainActor * getActor(const ChainActor * sourceActor) const
{
return sourceActor;
}
};
class CompositeAction : public SpecialAction
{
private:
std::vector<std::shared_ptr<const SpecialAction>> parts;
public:
CompositeAction(std::vector<std::shared_ptr<const SpecialAction>> parts) : parts(parts) {}
bool canAct(const Nullkiller * ai, const AIPathNode * source) const override;
void execute(AIGateway * ai, const CGHeroInstance * hero) const override;
std::string toString() const override;
const CGObjectInstance * targetObject() const override;
Goals::TSubgoal decompose(const Nullkiller * ai, const CGHeroInstance * hero) const override;
std::vector<std::shared_ptr<const SpecialAction>> getParts() const override
{
return parts;
}
void applyOnDestination(
const CGHeroInstance * hero,
CDestinationNodeInfo & destination,
const PathNodeInfo & source,
AIPathNode * dstNode,
const AIPathNode * srcNode) const override;
};
class ISpecialActionFactory
{
public:
virtual std::shared_ptr<SpecialAction> create(const Nullkiller * ai) = 0;
virtual ~ISpecialActionFactory() = default;
};
}
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