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124 lines
3.8 KiB
C++
124 lines
3.8 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 "CSpellHandler.h"
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#include "../BattleHex.h"
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///callback to be provided by server
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class DLL_LINKAGE SpellCastEnvironment
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{
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public:
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virtual ~SpellCastEnvironment(){};
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virtual void sendAndApply(CPackForClient * info) const = 0;
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virtual CRandomGenerator & getRandomGenerator() const = 0;
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virtual void complain(const std::string & problem) const = 0;
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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, ui8 teleporting, PlayerColor asker = PlayerColor::NEUTRAL) const =0; //TODO: remove
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};
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///all parameters of particular cast event
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struct DLL_LINKAGE BattleSpellCastParameters
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{
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public:
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///Single spell destination.
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/// (assumes that anything but battle stack can share same hex)
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struct DLL_LINKAGE Destination
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{
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explicit Destination(const CStack * destination);
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explicit Destination(const BattleHex & destination);
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const CStack * stackValue;
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const BattleHex hexValue;
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};
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BattleSpellCastParameters(const BattleInfo * cb, const ISpellCaster * caster, const CSpell * spell);
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void aimToHex(const BattleHex & destination);
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void aimToStack(const CStack * destination);
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BattleHex getFirstDestinationHex() const;
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const BattleInfo * cb;
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const ISpellCaster * caster;
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const PlayerColor casterColor;
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const ui8 casterSide;
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std::vector<Destination> destinations;
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const CGHeroInstance * casterHero; //deprecated
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ECastingMode::ECastingMode mode;
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const CStack * casterStack; //deprecated
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const CStack * selectedStack;//deprecated
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///spell school level
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int spellLvl;
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///spell school level to use for effects
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int effectLevel;
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///actual spell-power affecting effect values
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int effectPower;
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///actual spell-power affecting effect duration
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int enchantPower;
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///for Archangel-like casting
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int effectValue;
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private:
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void prepare(const CSpell * spell);
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};
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struct DLL_LINKAGE AdventureSpellCastParameters
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{
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const CGHeroInstance * caster;
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int3 pos;
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};
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class DLL_LINKAGE ISpellMechanics
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{
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public:
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struct DLL_LINKAGE SpellTargetingContext
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{
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const CBattleInfoCallback * cb;
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CSpell::TargetInfo ti;
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ECastingMode::ECastingMode mode;
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BattleHex destination;
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const ISpellCaster * caster;
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int schoolLvl;
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SpellTargetingContext(const CSpell * s, const CBattleInfoCallback * c, ECastingMode::ECastingMode m, const ISpellCaster * caster_, int lvl, BattleHex dest)
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: cb(c), ti(s,lvl, m), mode(m), destination(dest), caster(caster_), schoolLvl(lvl)
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{};
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};
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public:
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ISpellMechanics(CSpell * s);
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virtual ~ISpellMechanics(){};
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virtual std::vector<BattleHex> rangeInHexes(BattleHex centralHex, ui8 schoolLvl, ui8 side, bool * outDroppedHexes = nullptr) const = 0;
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virtual std::set<const CStack *> getAffectedStacks(SpellTargetingContext & ctx) const = 0;
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virtual ESpellCastProblem::ESpellCastProblem canBeCast(const CBattleInfoCallback * cb, const ISpellCaster * caster) const = 0;
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virtual ESpellCastProblem::ESpellCastProblem isImmuneByStack(const ISpellCaster * caster, const CStack * obj) const = 0;
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virtual void applyBattle(BattleInfo * battle, const BattleSpellCast * packet) const = 0;
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virtual bool adventureCast(const SpellCastEnvironment * env, AdventureSpellCastParameters & parameters) const = 0;
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virtual void battleCast(const SpellCastEnvironment * env, BattleSpellCastParameters & parameters) const = 0;
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virtual void battleLogSingleTarget(std::vector<std::string> & logLines, const BattleSpellCast * packet,
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const std::string & casterName, const CStack * attackedStack, bool & displayDamage) const = 0;
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static ISpellMechanics * createMechanics(CSpell * s);
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protected:
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CSpell * owner;
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};
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