public void init()
	{
		switch (this.foreground_type)
		{
			case ResourceId.wood:
				this.miningDuration = c_duration_wood;
				break;
			case ResourceId.stone:
				this.miningDuration = c_duration_stone;
				break;
			case ResourceId.berryFull:
				this.miningDuration = c_duration_berry;
				break;
		}
	}