package OnCast
import public Vectors

public module OnPointCast
	private static trigger t = null
	private static integer spellId

	abstract static function onPointCast(unit caster, int level, vec2 target )

	private static function actions() returns boolean
		if GetSpellAbilityId() == spellId
			onPointCast(GetSpellAbilityUnit(),
				GetUnitAbilityLevel(GetSpellAbilityUnit(), spellId),
				vec2(GetSpellTargetX(), GetSpellTargetY()))
		return false

	static function registerSpellEvent(int p_spellId)
		spellId = p_spellId
		CreateTrigger()
			..registerAnyUnitEvent(EVENT_PLAYER_UNIT_SPELL_EFFECT)
			..addCondition(Condition(function actions))


public module OnCast
	private static trigger t = null
	private static integer spellId

	abstract static function onCast(unit caster, int level)

	private static function actions() returns boolean
		if GetSpellAbilityId() == spellId
			onCast(GetSpellAbilityUnit(),
				GetUnitAbilityLevel(GetSpellAbilityUnit(), spellId))
		return false

	static function registerSpellEvent(int p_spellId)
		spellId = p_spellId
		CreateTrigger()
			..registerAnyUnitEvent(EVENT_PLAYER_UNIT_SPELL_EFFECT)
			..addCondition(Condition(function actions))



public module OnUnitTargetCast
	private static trigger t = null
	private static integer spellId

	abstract static function onUnitTargetCast(unit caster, int level, unit target)

	private static function actions() returns boolean
		if GetSpellAbilityId() == spellId
			onUnitTargetCast(GetSpellAbilityUnit(),
				GetUnitAbilityLevel(GetSpellAbilityUnit(), spellId), GetSpellTargetUnit())
		return false

	static function registerSpellEvent(int p_spellId)
		spellId = p_spellId
		CreateTrigger()
			..registerAnyUnitEvent(EVENT_PLAYER_UNIT_SPELL_EFFECT)
			..addCondition(Condition(function actions))




	// TODO add other onCast modules (unit target etc...)