package io.sarl.demos.fireworks.agents

import io.sarl.core.Behaviors
import io.sarl.core.DefaultContextInteractions
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.events.Exit
import io.sarl.demos.fireworks.events.Freeze
import io.sarl.demos.fireworks.events.Launch
import io.sarl.demos.fireworks.events.RocketReady

agent RocketLauncher {
	
	uses Logging, Behaviors, DefaultContextInteractions, InnerContextAccess, Lifecycle
	
	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)
	}
	
}