local soundeffectsutil = require "soundeffectsutil"

function data()
return {
	tracks = {
		{ name = "vehicle/train/comeng/idle.wav", gain = 1.0, refDist = 25.0, rolloffFact = 1.0, hasVelocity = true},
		{ name = "vehicle/train/comeng/move.wav", gain = 1.0, refDist = 25.0, rolloffFact = 1.0, hasVelocity = true},

		
		{ name = "vehicle/train_electric_modern/_wheels_ringing.wav", refDist = 25.0},
		{ name = "vehicle/train_electric_modern/_brakes.wav", refDist = 25.0},
	},
	events =  {
		clacks = {
			names = {
				"vehicle/clack/modern/part_1.wav",
				"vehicle/clack/modern/part_2.wav",
				"vehicle/clack/modern/part_3.wav",
				"vehicle/clack/modern/part_4.wav",
				"vehicle/clack/modern/part_5.wav",
				"vehicle/clack/modern/part_6.wav",
				"vehicle/clack/modern/part_7.wav",
				"vehicle/clack/modern/part_8.wav",
				"vehicle/clack/modern/part_9.wav",
				"vehicle/clack/modern/part_10.wav"
			},
			refDist = 15.0
		},
		openDoors = { names = { "vehicle/train/comeng/dooropen.wav" }, refDist = 5.0 },
		closeDoors = { names = { "vehicle/train/comeng/doorclose.wav" }, refDist = 5.0 }
	},

	updateFn = function (input)
		local axleRefWeight = 1.0
		
		return {
			tracks = {
				{ 
					gain = soundeffectsutil.sampleCurve({ { 0.0, 0.5 }, { 1.03, 0.78 }, { 1.04, 0.0 }}, input.power01),		
					pitch = soundeffectsutil.sampleCurve({ { .0, 1.0 }, { 1.0, 1.0 } }, input.power01),	
				},
				{ 
					gain = soundeffectsutil.sampleCurve({ { 0.2, .0 }, { 0.2, .0 }, { 0.2, .0 }, { 0.2, .6 }, { 0.2, .6 } }, input.speed01),
					pitch = soundeffectsutil.sampleCurve({ { .0, 0.0 }, { .16, .16 }, { .32, .54 }, { .64, .91 }, { 1.0, 1.0 } }, input.speed01)
				},
				soundeffectsutil.squeal(input.speed, input.sideForce, input.maxSideForce),
				soundeffectsutil.brake(input.speed, input.brakeDecel, 1.0)
			},
			events = {
				clacks = soundeffectsutil.clacks(input.speed, input.weight, input.numAxles, axleRefWeight, input.gameSpeedUp),
				openDoors = { gain = 8.0, pitch = 1.0},
				closeDoors = { gain = 8.0, pitch = 1.0}

			}
		}
	end
}
end