bandit_archer_arrow = class({})

LinkLuaModifier( "modifier_bandit_archer_arrow_debuff", "modifiers/creatures/modifier_bandit_archer_arrow_debuff", LUA_MODIFIER_MOTION_BOTH )

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function bandit_archer_arrow:Precache( context )
	PrecacheResource( "particle", "particles/dungeon_bandit_archer_crescent_arrow.vpcf", context )
	PrecacheResource( "particle", "particles/units/heroes/hero_phantom_assassin/phantom_assassin_crit_impact.vpcf", context )
end

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function bandit_archer_arrow:ProcsMagicStick()
	return false
end

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function bandit_archer_arrow:OnAbilityPhaseStart()
	if IsServer() then
		--[[
		self.nPreviewFX = ParticleManager:CreateParticle( "particles/darkmoon_creep_warning.vpcf", PATTACH_ABSORIGIN_FOLLOW, self:GetCaster() )
		ParticleManager:SetParticleControlEnt( self.nPreviewFX, 0, self:GetCaster(), PATTACH_ABSORIGIN_FOLLOW, nil, self:GetCaster():GetOrigin(), true )
		ParticleManager:SetParticleControl( self.nPreviewFX, 1, Vector( 60, 60, 60 ) )
		ParticleManager:SetParticleControl( self.nPreviewFX, 15, Vector( 188, 26, 26 ) )
		]]

		--EmitSoundOn( "Dungeon.ArcherPullArrow", self:GetCaster() )

		--self:GetCaster():AddNewModifier( self:GetCaster(), nil, "modifier_provide_vision", { duration = 1.5 } )
	end

	return true
end

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function bandit_archer_arrow:OnAbilityPhaseInterrupted()
	if IsServer() then
		--ParticleManager:DestroyParticle( self.nPreviewFX, false )

		--StopSoundOn( "Dungeon.ArcherPullArrow", self:GetCaster() )
	end 
end

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--[[
function bandit_archer_arrow:GetPlaybackRateOverride()
	return 0.75
end
]]

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function bandit_archer_arrow:OnSpellStart()
	if IsServer() then
		--ParticleManager:DestroyParticle( self.nPreviewFX, false )

		--StopSoundOn( "Dungeon.ArcherPullArrow", self:GetCaster() )

		self.attack_speed = self:GetSpecialValueFor( "attack_speed" )
		self.attack_width_initial = self:GetSpecialValueFor( "attack_width_initial" )
		self.attack_width_end = self:GetSpecialValueFor( "attack_width_end" )
		self.attack_distance = self:GetSpecialValueFor( "attack_distance" )
		self.attack_damage = self:GetSpecialValueFor( "attack_damage" )
		self.duration = self:GetSpecialValueFor( "duration" )
		self.break_duration = self:GetSpecialValueFor( "break_duration" )
		
		local vPos = nil
		if self:GetCursorTarget() then
			vPos = self:GetCursorTarget():GetOrigin()
		else
			vPos = self:GetCursorPosition()
		end

		local vDirection = vPos - self:GetCaster():GetOrigin()
		vDirection.z = 0.0
		vDirection = vDirection:Normalized()

		self.attack_speed = self.attack_speed * ( self.attack_distance / ( self.attack_distance - self.attack_width_initial ) )

		local info = {
			EffectName = "particles/dungeon_bandit_archer_crescent_arrow.vpcf",
			Ability = self,
			vSpawnOrigin = self:GetCaster():GetOrigin(), 
			fStartRadius = self.attack_width_initial,
			fEndRadius = self.attack_width_end,
			vVelocity = vDirection * self.attack_speed,
			fDistance = self.attack_distance,
			Source = self:GetCaster(),
			iUnitTargetTeam = DOTA_UNIT_TARGET_TEAM_ENEMY,
			iUnitTargetType = DOTA_UNIT_TARGET_HERO,
		}

		ProjectileManager:CreateLinearProjectile( info )

		EmitSoundOn( "Dungeon.ArcherShootArrow", self:GetCaster() )
	end
end

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function bandit_archer_arrow:OnProjectileHit( hTarget, vLocation )
	if IsServer() then
		if hTarget ~= nil and ( not hTarget:IsMagicImmune() ) and ( not hTarget:IsInvulnerable() ) then
			local damage = {
				victim = hTarget,
				attacker = self:GetCaster(),
				damage = self.attack_damage,
				damage_type = self:GetAbilityDamageType(),
				ability = self
			}
			ApplyDamage( damage )

			hTarget:AddNewModifier( self:GetCaster(), nil, "modifier_bandit_archer_arrow_debuff", { duration = self.break_duration } )

			local nFXIndex = ParticleManager:CreateParticle( "particles/units/heroes/hero_phantom_assassin/phantom_assassin_crit_impact.vpcf", PATTACH_CUSTOMORIGIN, nil )
			ParticleManager:SetParticleControlEnt( nFXIndex, 0, hTarget, PATTACH_POINT_FOLLOW, "attach_hitloc", hTarget:GetOrigin(), true )
			ParticleManager:SetParticleControl( nFXIndex, 1, hTarget:GetOrigin() )
			if self:GetCaster() then
				ParticleManager:SetParticleControlForward( nFXIndex, 1, -self:GetCaster():GetForwardVector() )
			end
			ParticleManager:SetParticleControlEnt( nFXIndex, 10, hTarget, PATTACH_ABSORIGIN_FOLLOW, nil, hTarget:GetOrigin(), true )
			ParticleManager:ReleaseParticleIndex( nFXIndex )

			EmitSoundOn( "Dungeon.BloodSplatterImpact", hTarget )
		end

		return true
	end
end

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