package ihl.explosion;

import ihl.IHLMod;

import java.util.Iterator;
import java.util.Set;

import net.minecraft.world.ChunkCoordIntPair;
import net.minecraft.world.Explosion;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;

public class ChunkAndWorldLoadEventHandler {
	public static ChunkAndWorldLoadEventHandler instance;

	public ChunkAndWorldLoadEventHandler() {
		instance = this;
	}

	@SubscribeEvent
	public void onChunkLoadEvent(net.minecraftforge.event.world.ChunkEvent.Load event) {
		if (event.getChunk().isChunkLoaded
				&& IHLMod.explosionHandler.blastWaveByDimensionId.containsKey(event.world.provider.dimensionId)) {
			WorldSavedDataBlastWave bwdata = IHLMod.explosionHandler.blastWaveByDimensionId
					.get(event.world.provider.dimensionId);
			long cc = ChunkCoordIntPair.chunkXZ2Int(event.getChunk().xPosition, event.getChunk().zPosition);
			if (bwdata.data.containsKey(cc)) {
				Set<Integer[]> bwArraySet = bwdata.data.remove(cc);
				int[] directionMask = new int[3];
				Iterator<Integer[]> bwArrayI = bwArraySet.iterator();
				Integer[] bwArray = null;
				while (bwArrayI.hasNext()) {
					bwArray = bwArrayI.next();
					directionMask[0] = bwArray[5];
					directionMask[1] = bwArray[6];
					directionMask[2] = bwArray[7];
					Explosion explosion = new Explosion(event.world, null, bwArray[1], bwArray[2], bwArray[3], 100f);
					IHLMod.explosionHandler.breakBlocksAndGetDescendants(event.world, bwArray[1], bwArray[2],
							bwArray[3], explosion, bwArray[0], bwArray[4], directionMask);
				}
			}
		}
	}

	@SubscribeEvent
	public void onWorldLoadEvent(net.minecraftforge.event.world.WorldEvent.Load event) {
		WorldSavedDataBlastWave blastWave = (WorldSavedDataBlastWave) event.world.mapStorage
				.loadData(WorldSavedDataBlastWave.class, "blastWave");
		if (blastWave != null) {
			IHLMod.explosionHandler.blastWaveByDimensionId.put(event.world.provider.dimensionId, blastWave);
		}
	}

	@SubscribeEvent
	public void onWorldSaveEvent(net.minecraftforge.event.world.WorldEvent.Save event) {
		if (IHLMod.explosionHandler.blastWaveByDimensionId.containsKey(event.world.provider.dimensionId)) {
			event.world.mapStorage.setData("blastWave",
					IHLMod.explosionHandler.blastWaveByDimensionId.get(event.world.provider.dimensionId));
		}
	}
}