DarkflameServer/dGame/dInventory/ItemSetPassiveAbility.h

#pragma once

#include <vector>

#include "dCommonVars.h"

class Entity;
class ItemSet;

enum class PassiveAbilityTrigger
{
    AssemblyImagination, // Less than 1 imagination
    ParadoxHealth, // Less or equal to 1 health
    SentinelArmor, // Less than 1 armor
    VentureHealth, // Less than 3 health
    EnemySmashed, // Enemy is smashed
};

/**
 * Passive abilities that belong to an item set, activated when a PassiveAbilityTrigger condition is met
 */
class ItemSetPassiveAbility
{
public:
    ItemSetPassiveAbility(PassiveAbilityTrigger trigger, Entity* parent, ItemSet* itemSet);
    ~ItemSetPassiveAbility();
    void Update(float deltaTime);

    /**
     * Attempts to trigger a passive ability for this item set, if this is the wrong trigger this is a no-op
     * @param trigger the trigger to attempt to fire
     */
    void Trigger(PassiveAbilityTrigger trigger);

    /**
     * Activates the passive ability
     */
    void Activate();

    /**
     * Finds all the passive abilities associated with a certain item set
     * @param itemSetID the item set to find abilities for
     * @param parent the parent to add to the passive abilities
     * @param itemSet the item set to add to the passive abilities
     * @return the passive abilities for the provided item set
     */
    static std::vector<ItemSetPassiveAbility> FindAbilities(uint32_t itemSetID, Entity* parent, ItemSet* itemSet);

private:
    void OnEnemySmshed();

    /**
     * The means of triggering this ability
     */
    PassiveAbilityTrigger m_Trigger;

    /**
     * The owner of this ability
     */
    Entity* m_Parent;

    /**
     * The item set this ability belongs to
     */
    ItemSet* m_ItemSet;

    /**
     * The cooldown on this ability until it can be activated again
     */
    float m_Cooldown;
};