BlockProvider.java

package greymerk.roguelike.worldgen;

import com.google.gson.JsonElement;
import com.google.gson.JsonObject;

public enum BlockProvider {
	
	METABLOCK, WEIGHTED, CHECKERS, JUMBLE, STRIPES, LAYERS, COLUMNS;

	public static IBlockFactory create(JsonObject block) throws Exception {
		
		BlockProvider type;
		
		if(block.has("type")){
			String t = block.get("type").getAsString();
			type = BlockProvider.valueOf(t);
		} else {
			type = METABLOCK;
		}
		
		JsonElement data;
		if(block.has("data")){
			data = block.get("data");
		} else {
			data = block;
		}
		
		switch(type){
		case METABLOCK: return new MetaBlock(data);
		case WEIGHTED: return new BlockWeightedRandom(data);
		case CHECKERS: return new BlockCheckers(data);
		case JUMBLE: return new BlockJumble(data);
		case STRIPES: return new BlockStripes(data);
		case LAYERS: return new BlockLayers(data);
		case COLUMNS: return new BlockColumns(data);
		default: return null;
		}
	}
}