BlockColumns.java

package greymerk.roguelike.worldgen;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;

public class BlockColumns extends BlockBase{

	private List<IBlockFactory> blocks;
	
	public BlockColumns(){
		blocks = new ArrayList<IBlockFactory>();
	}
	
	public BlockColumns(JsonElement data) throws Exception {
		this();
		for(JsonElement entry : (JsonArray)data){
			this.addBlock(BlockProvider.create(entry.getAsJsonObject()));
		}
	}
	
	public void addBlock(IBlockFactory toAdd){
		blocks.add(toAdd);
	}
	
	@Override
	public boolean set(IWorldEditor editor, Random rand, Coord pos, boolean fillAir, boolean replaceSolid) {
		int size = blocks.size();
		int choice = Math.abs((pos.getX() % size + pos.getZ() % size)) % size;
		IBlockFactory block = blocks.get(choice);
		return block.set(editor, rand, pos, fillAir, replaceSolid);
	}

}