mirror of
https://github.com/vcmi/vcmi.git
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366 lines
9.9 KiB
C++
366 lines
9.9 KiB
C++
/*
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* ISpellMechanics.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 <vcmi/spells/Magic.h>
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#include <vcmi/ServerCallback.h>
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#include "../battle/Destination.h"
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#include "../int3.h"
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#include "../GameConstants.h"
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#include "../bonuses/Bonus.h"
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VCMI_LIB_NAMESPACE_BEGIN
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struct Query;
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class IBattleState;
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class CRandomGenerator;
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class CreatureService;
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class CMap;
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class CGameInfoCallback;
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class CBattleInfoCallback;
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class JsonNode;
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class CStack;
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class CGObjectInstance;
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class CGHeroInstance;
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namespace spells
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{
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class Service;
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}
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namespace vstd
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{
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class RNG;
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}
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#if SCRIPTING_ENABLED
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namespace scripting
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{
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class Service;
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}
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#endif
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///callback to be provided by server
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class DLL_LINKAGE SpellCastEnvironment : public ServerCallback
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{
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public:
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virtual ~SpellCastEnvironment() = default;
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virtual const CMap * getMap() const = 0;
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virtual const CGameInfoCallback * getCb() const = 0;
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virtual bool moveHero(ObjectInstanceID hid, int3 dst, bool teleporting) = 0; //TODO: remove
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virtual void genericQuery(Query * request, PlayerColor color, std::function<void(std::optional<int32_t>)> callback) = 0;//TODO: type safety on query, use generic query packet when implemented
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};
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namespace spells
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{
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class DLL_LINKAGE IBattleCast
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{
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public:
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using Value = int32_t;
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using Value64 = int64_t;
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using OptionalValue = std::optional<Value>;
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using OptionalValue64 = std::optional<Value64>;
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virtual const CSpell * getSpell() const = 0;
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virtual Mode getMode() const = 0;
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virtual const Caster * getCaster() const = 0;
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virtual const CBattleInfoCallback * getBattle() const = 0;
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virtual OptionalValue getSpellLevel() const = 0;
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virtual OptionalValue getEffectPower() const = 0;
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virtual OptionalValue getEffectDuration() const = 0;
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virtual OptionalValue64 getEffectValue() const = 0;
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virtual boost::logic::tribool isSmart() const = 0;
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virtual boost::logic::tribool isMassive() const = 0;
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};
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///all parameters of particular cast event
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class DLL_LINKAGE BattleCast : public IBattleCast
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{
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public:
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boost::logic::tribool smart;
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boost::logic::tribool massive;
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//normal constructor
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BattleCast(const CBattleInfoCallback * cb_, const Caster * caster_, const Mode mode_, const CSpell * spell_);
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//magic mirror constructor
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BattleCast(const BattleCast & orig, const Caster * caster_);
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virtual ~BattleCast();
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///IBattleCast
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const CSpell * getSpell() const override;
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Mode getMode() const override;
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const Caster * getCaster() const override;
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const CBattleInfoCallback * getBattle() const override;
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OptionalValue getSpellLevel() const override;
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OptionalValue getEffectPower() const override;
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OptionalValue getEffectDuration() const override;
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OptionalValue64 getEffectValue() const override;
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boost::logic::tribool isSmart() const override;
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boost::logic::tribool isMassive() const override;
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void setSpellLevel(Value value);
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void setEffectPower(Value value);
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void setEffectDuration(Value value);
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void setEffectValue(Value64 value);
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///only apply effects to specified targets
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void applyEffects(ServerCallback * server, const Target & target, bool indirect = false, bool ignoreImmunity = false) const;
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///normal cast
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void cast(ServerCallback * server, Target target);
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///cast evaluation
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void castEval(ServerCallback * server, Target target);
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///cast with silent check for permitted cast
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bool castIfPossible(ServerCallback * server, Target target);
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std::vector<Target> findPotentialTargets(bool fast = false) const;
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private:
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///spell school level
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OptionalValue magicSkillLevel;
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///actual spell-power affecting effect values
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OptionalValue effectPower;
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///actual spell-power affecting effect duration
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OptionalValue effectDuration;
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///for Archangel-like casting
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OptionalValue64 effectValue;
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Mode mode;
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const CSpell * spell;
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const CBattleInfoCallback * cb;
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const Caster * caster;
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};
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class DLL_LINKAGE ISpellMechanicsFactory
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{
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public:
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virtual ~ISpellMechanicsFactory();
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virtual std::unique_ptr<Mechanics> create(const IBattleCast * event) const = 0;
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static std::unique_ptr<ISpellMechanicsFactory> get(const CSpell * s);
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protected:
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const CSpell * spell;
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ISpellMechanicsFactory(const CSpell * s);
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};
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class DLL_LINKAGE Mechanics
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{
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public:
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virtual ~Mechanics();
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virtual bool adaptProblem(ESpellCastProblem source, Problem & target) const = 0;
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virtual bool adaptGenericProblem(Problem & target) const = 0;
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virtual std::vector<BattleHex> rangeInHexes(BattleHex centralHex) const = 0;
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virtual std::vector<const CStack *> getAffectedStacks(const Target & target) const = 0;
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virtual bool canBeCast(Problem & problem) const = 0;
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virtual bool canBeCastAt(const Target & target, Problem & problem) const = 0;
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virtual void applyEffects(ServerCallback * server, const Target & targets, bool indirect, bool ignoreImmunity) const = 0;
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virtual void cast(ServerCallback * server, const Target & target) = 0;
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virtual void castEval(ServerCallback * server, const Target & target) = 0;
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virtual bool isReceptive(const battle::Unit * target) const = 0;
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virtual std::vector<AimType> getTargetTypes() const = 0;
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virtual std::vector<Destination> getPossibleDestinations(size_t index, AimType aimType, const Target & current, bool fast = false) const = 0;
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virtual const Spell * getSpell() const = 0;
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//Cast event facade
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virtual IBattleCast::Value getEffectLevel() const = 0;
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virtual IBattleCast::Value getRangeLevel() const = 0;
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virtual IBattleCast::Value getEffectPower() const = 0;
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virtual IBattleCast::Value getEffectDuration() const = 0;
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virtual IBattleCast::Value64 getEffectValue() const = 0;
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virtual PlayerColor getCasterColor() const = 0;
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//Spell facade
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virtual int32_t getSpellIndex() const = 0;
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virtual SpellID getSpellId() const = 0;
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virtual std::string getSpellName() const = 0;
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virtual int32_t getSpellLevel() const = 0;
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virtual bool isSmart() const = 0;
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virtual bool isMassive() const = 0;
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virtual bool alwaysHitFirstTarget() const = 0;
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virtual bool requiresClearTiles() const = 0;
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virtual bool isNegativeSpell() const = 0;
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virtual bool isPositiveSpell() const = 0;
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virtual bool isMagicalEffect() const = 0;
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virtual int64_t adjustEffectValue(const battle::Unit * target) const = 0;
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virtual int64_t applySpellBonus(int64_t value, const battle::Unit * target) const = 0;
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virtual int64_t applySpecificSpellBonus(int64_t value) const = 0;
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virtual int64_t calculateRawEffectValue(int32_t basePowerMultiplier, int32_t levelPowerMultiplier) const = 0;
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//Battle facade
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virtual bool ownerMatches(const battle::Unit * unit) const = 0;
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virtual bool ownerMatches(const battle::Unit * unit, const boost::logic::tribool positivness) const = 0;
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//Global environment facade
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virtual const CreatureService * creatures() const = 0;
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#if SCRIPTING_ENABLED
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virtual const scripting::Service * scripts() const = 0;
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#endif
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virtual const Service * spells() const = 0;
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virtual const CBattleInfoCallback * battle() const = 0;
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const Caster * caster;
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ui8 casterSide;
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protected:
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Mechanics();
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};
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class DLL_LINKAGE BaseMechanics : public Mechanics
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{
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public:
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virtual ~BaseMechanics();
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bool adaptProblem(ESpellCastProblem source, Problem & target) const override;
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bool adaptGenericProblem(Problem & target) const override;
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int32_t getSpellIndex() const override;
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SpellID getSpellId() const override;
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std::string getSpellName() const override;
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int32_t getSpellLevel() const override;
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IBattleCast::Value getEffectLevel() const override;
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IBattleCast::Value getRangeLevel() const override;
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IBattleCast::Value getEffectPower() const override;
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IBattleCast::Value getEffectDuration() const override;
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IBattleCast::Value64 getEffectValue() const override;
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PlayerColor getCasterColor() const override;
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bool isSmart() const override;
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bool isMassive() const override;
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bool requiresClearTiles() const override;
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bool alwaysHitFirstTarget() const override;
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bool isNegativeSpell() const override;
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bool isPositiveSpell() const override;
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bool isMagicalEffect() const override;
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int64_t adjustEffectValue(const battle::Unit * target) const override;
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int64_t applySpellBonus(int64_t value, const battle::Unit * target) const override;
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int64_t applySpecificSpellBonus(int64_t value) const override;
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int64_t calculateRawEffectValue(int32_t basePowerMultiplier, int32_t levelPowerMultiplier) const override;
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bool ownerMatches(const battle::Unit * unit) const override;
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bool ownerMatches(const battle::Unit * unit, const boost::logic::tribool positivness) const override;
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std::vector<AimType> getTargetTypes() const override;
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const CreatureService * creatures() const override;
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#if SCRIPTING_ENABLED
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const scripting::Service * scripts() const override;
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#endif
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const Service * spells() const override;
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const CBattleInfoCallback * battle() const override;
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protected:
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const CSpell * owner;
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Mode mode;
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BaseMechanics(const IBattleCast * event);
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private:
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IBattleCast::Value rangeLevel;
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IBattleCast::Value effectLevel;
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///actual spell-power affecting effect values
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IBattleCast::Value effectPower;
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///actual spell-power affecting effect duration
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IBattleCast::Value effectDuration;
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///raw damage/heal amount
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IBattleCast::Value64 effectValue;
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boost::logic::tribool smart;
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boost::logic::tribool massive;
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const CBattleInfoCallback * cb;
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};
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class DLL_LINKAGE IReceptiveCheck
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{
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public:
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virtual ~IReceptiveCheck() = default;
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virtual bool isReceptive(const Mechanics * m, const battle::Unit * target) const = 0;
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};
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}// namespace spells
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class DLL_LINKAGE AdventureSpellCastParameters
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{
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public:
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const spells::Caster * caster;
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int3 pos;
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};
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class DLL_LINKAGE IAdventureSpellMechanics
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{
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public:
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IAdventureSpellMechanics(const CSpell * s);
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virtual ~IAdventureSpellMechanics() = default;
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virtual bool adventureCast(SpellCastEnvironment * env, const AdventureSpellCastParameters & parameters) const = 0;
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static std::unique_ptr<IAdventureSpellMechanics> createMechanics(const CSpell * s);
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protected:
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const CSpell * owner;
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};
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VCMI_LIB_NAMESPACE_END
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