/*******************************************************************************
 * Copyright 2014 Rafael Garcia Moreno.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.bladecoder.engine.actions;

import com.bladecoder.engine.model.VerbRunner;
import com.bladecoder.engine.model.World;

@ActionDescription("Adds an integer value to the selected property.")
public class AddValueToProperty implements Action {
	@ActionProperty(required = true)
	@ActionPropertyDescription("Property name")
	private String prop;

	@ActionProperty(required = true)
	@ActionPropertyDescription("The integer value to add.")
	private float value;

	@Override
	public boolean run(VerbRunner cb) {
		
		String p = World.getInstance().getCustomProperty(prop);
		
		int v = 0;
		
		if(p != null) {
			try {
				v = Integer.parseInt(p);
			} catch(NumberFormatException e) {
			}
		}
		
		v += value;
		
		World.getInstance().setCustomProperty(prop, Integer.toString(v));

		return false;
	}

}