GenLayerTropicraftSmooth.java

package net.tropicraft.world.genlayer;

import net.minecraft.world.gen.layer.IntCache;

public class GenLayerTropicraftSmooth extends GenLayerTropicraft {

    public GenLayerTropicraftSmooth(long seed, GenLayerTropicraft parent)
    {
        super(seed);
        super.parent = parent;
        this.setZoom(1);
    }

    /**
     * Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall
     * amounts, or biomeList[] indices based on the particular GenLayer subclass.
     */
    public int[] getInts(int x, int y, int width, int length)
    {
        int x2 = x - 1;
        int y2 = y - 1;
        int width2 = width + 2;
        int length2 = length + 2;
        int[] biomeMap = this.parent.getInts(x2, y2, width2, length2);
        int[] resultMap = IntCache.getIntCache(width * length);

		for(int j = 0; j < length; ++j) {
			for(int i = 0; i < width; ++i) {
				int backX = biomeMap[i + 0 + (j + 1) * width2];
				int forwardX = biomeMap[i + 2 + (j + 1) * width2];
				int backY = biomeMap[i + 1 + (j + 0) * width2];
				int forwardY = biomeMap[i + 1 + (j + 2) * width2];
				int cur = biomeMap[i + 1 + (j + 1) * width2];

				if(backX == forwardX && backY == forwardY) {
					this.initChunkSeed((long) (i + x), (long) (j + y));

					if(this.nextInt(2) == 0) {
						cur = backX;
					} else {
						cur = backY;
					}
				} else {
					if(backX == forwardX) {
						cur = backX;
					}

					if(backY == forwardY) {
						cur = backY;
					}
				}

				resultMap[i + j * width] = cur;
			}
		}

        return resultMap;
    }
    
    @Override
    public void setZoom(int zoom) {
    	this.zoom = zoom;
    	this.parent.setZoom(zoom);
    }
    
}