package com.hbm.handler;

import java.util.List;
import java.util.Map.Entry;

import com.hbm.saveddata.RadiationSavedData;

import net.minecraft.init.Blocks;
import net.minecraft.world.ChunkCoordIntPair;
import net.minecraft.world.World;
import net.minecraft.world.WorldServer;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.gen.ChunkProviderServer;

public class RadiationWorldHandler {
	
	public static void handleWorldDestruction(World world) {
		
		if(!(world instanceof WorldServer))
			return;
		
		WorldServer serv = (WorldServer)world;
		
		RadiationSavedData data = RadiationSavedData.getData(serv);
		List<Chunk> loadedChunks = ((ChunkProviderServer) serv.getChunkProvider()).func_152380_a();
		
		int count = 50;//MainRegistry.worldRad;
		int threshold = 5;//MainRegistry.worldRadThreshold;
		
		Object[] entries = data.contamination.entrySet().toArray();
		
		if(entries.length == 0)
			return;
		
		Entry<ChunkCoordIntPair, Float> randEnt = (Entry<ChunkCoordIntPair, Float>) entries[world.rand.nextInt(entries.length)];
		
		ChunkCoordIntPair coords = randEnt.getKey();
		Chunk chunk = world.getChunkFromChunkCoords(coords.chunkXPos, coords.chunkZPos);
		
		for(int i = 0; i < 1; i++) {
			
			
			if(randEnt == null || randEnt.getValue() < threshold)
				continue;
			
			if(chunk != null && loadedChunks.contains(chunk)) {

				for(int a = 0; a < 16; a ++) {
					for(int b = 0; b < 16; b ++) {
						
						if(world.rand.nextInt(3) != 0)
							continue;
						
						int x = coords.getCenterXPos() - 8 + a;
						int z = coords.getCenterZPosition() - 8 + b;
						int y = world.getHeightValue(x, z) - world.rand.nextInt(2);
						
						if(world.getBlock(x, y, z) == Blocks.grass) {
							world.setBlock(x, y, z, Blocks.dirt);
						} else if(world.getBlock(x, y, z) == Blocks.tallgrass) {
							world.setBlock(x, y, z, Blocks.air);
						} else if(world.getBlock(x, y, z) == Blocks.leaves) {
							world.setBlock(x, y, z, Blocks.air);
						} else if(world.getBlock(x, y, z) == Blocks.leaves2) {
							world.setBlock(x, y, z, Blocks.air);
						}
					}
				}
			}
		}
	}

}