package armory.trait.internal;

import iron.Trait;

@:keep
class NodeExecutor extends Trait {

	var baseNode:armory.logicnode.Node;
	var nodeInits:Array<Void->Void> = [];
	var nodeUpdates:Array<Void->Void> = [];

	public function new() {
		super();

		notifyOnUpdate(update);
	}

	public function start(baseNode:armory.logicnode.Node) {
		this.baseNode = baseNode;
		baseNode.start(this);
	}

	function update() {
		if (nodeInits.length > 0) {
			for (f in nodeInits) { if (nodeInits.length == 0) break; f(); f = null; }
			nodeInits.splice(0, nodeInits.length);     
		}
		for (f in nodeUpdates) f();
	}

	public function notifyOnNodeInit(f:Void->Void) {
		nodeInits.push(f);
	}

	public function notifyOnNodeUpdate(f:Void->Void) {
		nodeUpdates.push(f);
	}
}