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--
-- All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
-- its licensors.
--
-- For complete copyright and license terms please see the LICENSE at the root of this
-- distribution (the "License"). All use of this software is governed by the License,
-- or, if provided, by the license below or the license accompanying this file. Do not
-- remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
--
--
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local AddPhysicsImpulse = 
{
	Properties = 
	{
		IncomingGameplayEventName = "",
		IsRelative = {default=true, description="When true, the impulse will be applied relative to the entity's transform"},
		ImpulseScale = {default=1.0, description="This will scale the vector before sending it"},
	},

}


function AddPhysicsImpulse:OnActivate()
	local gameplayBusId = GameplayNotificationId(self.entityId, self.Properties.IncomingGameplayEventName, "Vector3")
	self.gameplayBus = GameplayNotificationBus.Connect(self, gameplayBusId)
end

function AddPhysicsImpulse:AddImpulse(vectorValue)
	if self.Properties.IsRelative then
		local localTM = TransformBus.Event.GetWorldTM(self.entityId)
		localTM:SetTranslation(Vector3(0,0,0))
		localTM:ExtractScale()
		PhysicsComponentRequestBus.Event.AddImpulse(self.entityId, localTM * (vectorValue*self.Properties.ImpulseScale))
	else
		PhysicsComponentRequestBus.Event.AddImpulse(self.entityId, vectorValue*self.Properties.ImpulseScale)
	end
end

function AddPhysicsImpulse:OnEventBegin(vectorValue)
	self:AddImpulse(vectorValue)
end

function AddPhysicsImpulse:OnEventUpdating(vectorValue)
	self:AddImpulse(vectorValue)
end

function AddPhysicsImpulse:OnEventEnd(vectorValue)
	self:AddImpulse(vectorValue)
end

function AddPhysicsImpulse:OnDeactivate()
	self.gameplayBus:Disconnect()
end

return AddPhysicsImpulse