(function() {
	this.clickDownOnEntity = function(entityID, mouseEvent) {
		if (!mouseEvent.isLeftButton) return;
		var entity = Entities.getEntityProperties(entityID, ["position", "dimensions", "modelURL"]);

		// get type of card
		var filename = entity.modelURL.split("/").pop();
		var results = new RegExp(/([ABC])_(value|function)(.*?)_(card|workmat)(?:_[A-Z]|)\.fbx/).exec(filename);
		if (results<4) return;

		// send info to the message mixer
		Messages.sendMessage("com.henkel."+results[1].toLowerCase(), JSON.stringify({
			room: results[1], // A,B,C
			type: results[2], // value,function
			number: parseFloat(results[3]),
			position: results[4], // card,workmatt
			modelURL: entity.modelURL,
			workmat: {
				position: entity.position,
				rotation: entity.rotation,
				dimensions: entity.dimensions,
			}
		}));
	}
})