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111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
#ifndef GAME_MWMECHANICS_ACTIVESPELLS_H
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#define GAME_MWMECHANICS_ACTIVESPELLS_H
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#include <map>
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#include <vector>
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#include <string>
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#include "../mwworld/timestamp.hpp"
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#include "magiceffects.hpp"
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#include <components/esm/defs.hpp>
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#include <components/esm/activespells.hpp>
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namespace MWMechanics
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{
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/// \brief Lasting spell effects
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///
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/// \note The name of this class is slightly misleading, since it also handels lasting potion
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/// effects.
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class ActiveSpells
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{
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public:
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typedef ESM::ActiveEffect ActiveEffect;
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struct ActiveSpellParams
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{
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std::vector<ActiveEffect> mEffects;
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MWWorld::TimeStamp mTimeStamp;
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std::string mDisplayName;
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// The caster that inflicted this spell on us
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int mCasterActorId;
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};
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typedef std::multimap<std::string, ActiveSpellParams > TContainer;
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typedef TContainer::const_iterator TIterator;
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void readState (const ESM::ActiveSpells& state);
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void writeState (ESM::ActiveSpells& state) const;
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TIterator begin() const;
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TIterator end() const;
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private:
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mutable TContainer mSpells;
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mutable MagicEffects mEffects;
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mutable bool mSpellsChanged;
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mutable MWWorld::TimeStamp mLastUpdate;
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void update() const;
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void rebuildEffects() const;
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/// Add any effects that are in "from" and not in "addTo" to "addTo"
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void mergeEffects(std::vector<ActiveEffect>& addTo, const std::vector<ActiveEffect>& from);
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double timeToExpire (const TIterator& iterator) const;
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///< Returns time (in in-game hours) until the spell pointed to by \a iterator
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/// expires.
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const TContainer& getActiveSpells() const;
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public:
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ActiveSpells();
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/// Add lasting effects
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///
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/// \brief addSpell
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/// \param id ID for stacking purposes.
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/// \param stack If false, the spell is not added if one with the same ID exists already.
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/// \param effects
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/// \param displayName Name for display in magic menu.
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///
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void addSpell (const std::string& id, bool stack, std::vector<ActiveEffect> effects,
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const std::string& displayName, int casterActorId);
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/// Removes the active effects from this spell/potion/.. with \a id
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void removeEffects (const std::string& id);
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/// Remove all active effects with this effect id
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void purgeEffect (short effectId);
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/// Remove all active effects with this effect id and source id
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void purgeEffect (short effectId, const std::string& sourceId);
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/// Remove all active effects, if roll succeeds (for each effect)
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void purgeAll (float chance);
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/// Remove all effects with CASTER_LINKED flag that were cast by \a casterActorId
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void purge (int casterActorId);
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/// Remove all spells
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void clear();
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bool isSpellActive (const std::string& id) const;
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///< case insensitive
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const MagicEffects& getMagicEffects() const;
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void visitEffectSources (MWMechanics::EffectSourceVisitor& visitor) const;
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};
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}
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#endif
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