My for loop wont start!

No crash, it just doesn;t go

package com.rabidfox.syntheticgems;

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

import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.NetworkManager;
import net.minecraft.network.Packet;
import net.minecraft.network.play.server.S35PacketUpdateTileEntity;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.tileentity.TileEntityChest;
public class TileHydroTorch extends TileEntity {
Random rdm = new Random();
Boolean on = false;
Boolean fire = false;	
Boolean ready = false;
Item returncrystal = null;
List crystaltypes;
List resultcrystals;
public TileHydroTorch(){
	crystaltypes = new ArrayList();
	resultcrystals = new ArrayList();
	crystaltypes.add(0, Items.blaze_powder);
	resultcrystals.add(0, Items.blaze_rod);
}
public int getFacing() {
	return 0;

}

@Override
public void writeToNBT(NBTTagCompound nbt){
	super.writeToNBT(nbt);
	nbt.setBoolean("on", on);
	nbt.setBoolean("fire", fire);
	nbt.setBoolean("ready", ready);
	nbt.setInteger("returncrystal", Item.getIdFromItem(returncrystal));
}
public void readFromNBT(NBTTagCompound nbt){
	super.readFromNBT(nbt);
	on = nbt.getBoolean("on");
	fire = nbt.getBoolean("fire");
	ready = nbt.getBoolean("ready");
	returncrystal = Item.getItemById(nbt.getInteger("returncrystal"));


}
public void igniteTorch(){
	if(on){
		fire = true;
		worldObj.markBlockForUpdate(xCoord, yCoord, zCoord); // Makes the server call getDescriptionPacket for a full data sync
	}
}
public void turnOn(){
	if(!on){
		on = true;
		worldObj.markBlockForUpdate(xCoord, yCoord, zCoord); // Makes the server call getDescriptionPacket for a full data sync
	}
}
public void killTorch(){
	if(fire){
		fire = false;
		worldObj.markBlockForUpdate(xCoord, yCoord, zCoord); // Makes the server call getDescriptionPacket for a full data sync
	}
}
public void turnOff(){
	if(on){
		on = false;
		worldObj.markBlockForUpdate(xCoord, yCoord, zCoord); // Makes the server call getDescriptionPacket for a full data sync
	}
}
    @Override
    public Packet getDescriptionPacket()
    {
        NBTTagCompound nbttagcompound = new NBTTagCompound();
        writeToNBT(nbttagcompound);
        return new S35PacketUpdateTileEntity(xCoord, yCoord, zCoord, 1, nbttagcompound);
    }
    
    @Override
    public void onDataPacket(NetworkManager net, S35PacketUpdateTileEntity packet)
    {
        readFromNBT(packet.func_148857_g());
        worldObj.func_147479_m(xCoord, yCoord, zCoord);
    }
    public void activate(){
    	if(this.on){
    		this.fire = true;
    	}
    	System.out.println("Activated");
    	if(worldObj.getTileEntity(xCoord, yCoord + 1, zCoord) instanceof TileEntityChest){
        	System.out.println("Chest detected");
		int slot = 420;
    		TileEntityChest chest = (TileEntityChest)worldObj.getTileEntity(xCoord, yCoord + 1, zCoord);
        	System.out.println("tile getted");
    		for(int i = 29; i == -1; i--){
    	    	System.out.println("for");
    			Item theitem = chest.getStackInSlot(i).getItem();
    			if(theitem != null){
    		    	System.out.println("items not null");
    				if(crystaltypes.contains(theitem)){
    				    int index = crystaltypes.indexOf(theitem);
    				    this.returncrystal = (Item)resultcrystals.get(index);
    			    	System.out.println("set some shit");
    					slot = i;
    				}
    			}
    		}
    		if(!this.on && slot != 420 && RabidFoxUtil.searchChestForItem(SyntheticGems.itemoxybottle, chest) != -1 && RabidFoxUtil.searchChestForItem(SyntheticGems.itemhydbottle, chest) != -1){
    			chest.getStackInSlot(RabidFoxUtil.searchChestForItem(SyntheticGems.itemoxybottle, chest)).stackSize--;
    			chest.getStackInSlot(RabidFoxUtil.searchChestForItem(SyntheticGems.itemhydbottle, chest)).stackSize--;
    	    	System.out.println("deleted some stuff");
    			chest.getStackInSlot(slot).stackSize--;
    			this.on = true;
    		}
    	}
    }
@Override
public void updateEntity(){
		if(on && !fire){
			this.worldObj.spawnParticle("cloud", 0.5F + (worldObj.rand.nextFloat() / 5), 0.75F, 0.5F + (worldObj.rand.nextFloat() / 5), 0, -0.2F, 0);
		}
		if(on && fire){
			this.worldObj.spawnParticle("flame", 0.5F + (worldObj.rand.nextFloat() / 5), 0.75F, 0.5F + (worldObj.rand.nextFloat() / 5), 0, -0.5F, 0);
	}
	}
}

Whoa! Java fail! I read that was the teminate condition! Well, thanks alot?