package io.sarl.demos.fireworks

import io.sarl.core.Behaviors
import io.sarl.core.DefaultContextInteractions
import io.sarl.core.ExternalContextAccess
import io.sarl.core.Initialize
import io.sarl.core.InnerContextAccess
import io.sarl.core.Lifecycle
import io.sarl.core.Logging
import io.sarl.core.MemberLeft
import io.sarl.demos.fireworks.Exit
import io.sarl.demos.fireworks.Freeze
import io.sarl.demos.fireworks.Launch
import io.sarl.demos.fireworks.Positions
import io.sarl.demos.fireworks.Rocket
import io.sarl.demos.fireworks.RocketReady

agent RocketLauncher {
	
	uses Logging, Behaviors, DefaultContextInteractions, InnerContextAccess, Lifecycle, ExternalContextAccess
	
	var x: Double
	var y: Double
	var fireQuantity : Integer
	var gravity : Double
	var grid: Positions
	var exited = false
	
	on Exit [!hasMemberAgent] {
		emit(new Exit)
		killMe
	}
	
	on Exit [hasMemberAgent && !exited] {
		exited = true
		innerContext.defaultSpace.emit(new Exit)
	}

	on Initialize [!occurrence.parameters.empty] {
		x = occurrence.parameters.get(0) as Double
		y = occurrence.parameters.get(1) as Double
		fireQuantity = occurrence.parameters.get(2) as Integer
		gravity = occurrence.parameters.get(3) as Double
		grid = occurrence.parameters.get(4) as Positions
		
		info("New rocket launcher created")
	}
	
	on Initialize [occurrence.parameters.empty]{
		x = 0.0
		y = 0.0
		fireQuantity = 30
		gravity = 0.5
		grid = null

		info("New rocket launcher created")
		emit(new RocketReady)
	}
	
	on Launch {
		var vx = Math.random() * 2.0
		var vy = Math.random() * 5.5 + 2.0
		spawnInContext(Rocket, getInnerContext, x, y, vx, vy, gravity, fireQuantity, grid)
	}
	
	on Freeze[!isFromMe(occurrence)] {
		innerContext.defaultSpace.emit(occurrence)
	}
	
	on MemberLeft [!isFromMe(occurrence) && !exited]{
		wake(new Launch)
	}
	
}