@EventTarget
	public void onUpdate(EventUpdate event) {
		mc.thePlayer.setSprinting(false);
		BlockPos pos = new BlockPos(mc.thePlayer).offsetDown();
		if(!material(pos).isReplaceable()) return;
		int slot = -1;
		for(int i = 0; i < 9; i++) {
			ItemStack item = mc.thePlayer.inventory.getStackInSlot(i);
			if(!empty(item) && item.getItem() instanceof ItemBlock) {
				slot = i;
				break;
			}
		}
		if(slot == -1)return;
		int oldSlot = mc.thePlayer.inventory.currentItem;
		mc.thePlayer.inventory.currentItem = slot;
		if(mc.gameSettings.keyBindJump.pressed) mc.thePlayer.jump();
		place(pos);
		mc.thePlayer.inventory.currentItem = oldSlot;
	}
	public void onEnable(EventUpdate event) {
		mc.thePlayer.setSprinting(false);
	}
	private IBlockState state(BlockPos pos) {
		return mc.theWorld.getBlockState(pos);
	}
	private Block block(BlockPos pos) {
		return state(pos).getBlock();
	}
	private Material material(BlockPos pos) {
		return block(pos).getMaterial();
	}
	private boolean empty(ItemStack item) {
		return item == null;
	}
	private boolean place(BlockPos pos) {
		Vec3 eye = new Vec3(mc.thePlayer.posX, mc.thePlayer.posY + mc.thePlayer.getEyeHeight(), mc.thePlayer.posZ);
		EnumFacing[] face;
		int j = (face = EnumFacing.values()).length;
		for(int i = 0; i < j; i++) {
			EnumFacing side = face[i];
			BlockPos bpos = pos.offset(side);
			EnumFacing otherSide = side.getOpposite();
			if(eye.squareDistanceTo(new Vec3(pos).addVector(0.5D, 0.5D, 0.5D)) < eye.squareDistanceTo(new Vec3(bpos).addVector(0.5D, 0.5D, 0.5D))) {
				if(block(bpos).canCollideCheck(state(bpos), false)) {
					Vec3 vec = new Vec3(bpos).addVector(0.5D, 0.5D, 0.5D).add(new Vec3(otherSide.getDirectionVec()).mutli(0.5D));
					if(eye.squareDistanceTo(vec) <= 18.0D) {
						lock(vec);
						mc.playerController.func_178890_a(mc.thePlayer, mc.theWorld, mc.thePlayer.getCurrentEquippedItem(), bpos, otherSide, vec);
						mc.thePlayer.swingItem();
						return true;
					}
				}
			}
		}
		return false;
	}

	private void lock(Vec3 v) {
		double diffX = v.xCoord - mc.thePlayer.posX;
		double diffY = v.yCoord - mc.thePlayer.getEyeHeight();
		double diffZ = v.zCoord - mc.thePlayer.posZ;

		double distance = MathHelper.sqrt_double(diffX * diffX + diffZ * diffZ);

		float yaw = (float)Math.toDegrees(Math.atan2(diffZ, diffX)) - 90.0F;
		float pitch = (float)-Math.toDegrees(Math.atan2(diffY, distance));

		mc.thePlayer.sendQueue.addToSendQueue(new C03PacketPlayer.C05PacketPlayerLook(mc.thePlayer.rotationYaw + MathHelper.wrapAngleTo180_float(yaw - mc.thePlayer.rotationYaw), mc.thePlayer.rotationPitch + MathHelper.wrapAngleTo180_float(pitch - mc.thePlayer.rotationPitch), mc.thePlayer.onGround));
	}
	public void onDisable(EventUpdate event) {
		mc.thePlayer.setSprinting(true);
		super.onDisable();
	}

}