org.bukkit.inventory.PlayerInventory#getItemInOffHand ( )源码实例Demo

@EventHandler(priority = EventPriority.MONITOR)
public void onBlockIgnite(BlockIgniteEvent event) {
	if (event.getPlayer() == null)
		return;
	PlayerInventory inv = event.getPlayer().getInventory();
	ItemStack item = inv.getItemInMainHand();
	if (ItemType.getItemType(item) != ItemType.FLINT_AND_STEEL) {
		item = inv.getItemInOffHand();
		if (ItemType.getItemType(item) != ItemType.FLINT_AND_STEEL)
			return;
	}
	if (AdditionsAPI.isCustomItem(item)) {
		CustomItemBlockIgniteEvent customEvent = new CustomItemBlockIgniteEvent(event, new CustomItemStack(item));
		Bukkit.getServer().getPluginManager().callEvent(customEvent);
	}
}
 

@EventHandler
public void onPlayerInteract(PlayerInteractEvent event) {
	Player player = event.getPlayer();
	PlayerInventory inv = player.getInventory();
	ItemStack item = inv.getItemInMainHand();
	if (event.getHand() != null)
		switch (event.getHand()) {
		case OFF_HAND:
			item = inv.getItemInOffHand();
			break;
		default:
			break;
		}

	if (AdditionsAPI.isCustomItem(item)) {
		CustomItemPlayerInteractEvent customEvent = new CustomItemPlayerInteractEvent(event,
				new CustomItemStack(item));
		Bukkit.getServer().getPluginManager().callEvent(customEvent);
	}
	if (event.getAction() != null && event.getAction() == Action.RIGHT_CLICK_BLOCK
			&& ToolType.getToolType(item.getType()) != null
			&& ToolType.getToolType(item.getType()).equals(ToolType.HOE)) {
		Block block = event.getClickedBlock();
		Material material = block.getType();
		Location blockLoc = block.getLocation();
		blockLoc.setY(blockLoc.getBlockY() + 1);
		Material materialUp = blockLoc.getBlock().getType();
		@SuppressWarnings("deprecation")
		byte data = block.getData();

		BlockFace face = event.getBlockFace();
		if (materialUp == Material.AIR && (face == BlockFace.UP || face == BlockFace.EAST || face == BlockFace.NORTH
				|| face == BlockFace.SOUTH || face == BlockFace.WEST))
			if (shouldPlaySound(material, item, data, player))
				player.playSound(block.getLocation(), "additionsapi.hoe.till", 1.0F, 1.0F);
	}
}
 

@EventHandler(priority = EventPriority.MONITOR)
public void onPlayerShearEntity(PlayerShearEntityEvent event) {
	PlayerInventory inv = event.getPlayer().getInventory();
	ItemStack item = inv.getItemInMainHand();
	if (ItemType.getItemType(item) != ItemType.SHEARS) {
		item = inv.getItemInOffHand();
		if (ItemType.getItemType(item) != ItemType.SHEARS)
			return;
	}
	if (AdditionsAPI.isCustomItem(item)) {
		CustomItemShearEntityEvent customEvent = new CustomItemShearEntityEvent(event, new CustomItemStack(item));
		Bukkit.getServer().getPluginManager().callEvent(customEvent);
	}
}
 

@EventHandler(priority = EventPriority.MONITOR)
public void onPlayerFishEvent(PlayerFishEvent event) {
	PlayerInventory inv = event.getPlayer().getInventory();
	ItemStack item = inv.getItemInMainHand();
	if (ItemType.getItemType(item) != ItemType.FISHING_ROD) {
		item = inv.getItemInOffHand();
		if (ItemType.getItemType(item) != ItemType.FISHING_ROD)
			return;
	}
	if (AdditionsAPI.isCustomItem(item))
		Bukkit.getServer().getPluginManager().callEvent(new CustomItemFishEvent(event, new CustomItemStack(item)));
}
 

private ItemStack getItemInHand(PlayerInteractEvent event) {
    PlayerInventory inventory = event.getPlayer().getInventory();
    if (Version.isAtLeast(Version.MC1_9)) {
        return event.getHand() == EquipmentSlot.HAND ? inventory.getItemInMainHand() : inventory.getItemInOffHand();
    } else {
        return inventory.getItemInHand();
    }
}
 

@Override
protected Boolean execute(String playerID) {
    PlayerInventory inv = PlayerConverter.getPlayer(playerID).getInventory();
    ItemStack item = null;
    item = (!offhand) ? inv.getItemInMainHand() : inv.getItemInOffHand();

    return questItem.compare(item);
}
 

@EventHandler
public void onIronGolemHeal(PlayerInteractEntityEvent e) {
    if (e.getRightClicked().getType() == EntityType.IRON_GOLEM) {
        PlayerInventory inv = e.getPlayer().getInventory();
        ItemStack item = null;

        if (e.getHand() == EquipmentSlot.HAND) {
            item = inv.getItemInMainHand();
        }
        else if (e.getHand() == EquipmentSlot.OFF_HAND) {
            item = inv.getItemInOffHand();
        }

        if (item != null && item.getType() == Material.IRON_INGOT) {
            SlimefunItem sfItem = SlimefunItem.getByItem(item);

            if (sfItem != null && !(sfItem instanceof VanillaItem)) {
                e.setCancelled(true);
                SlimefunPlugin.getLocalization().sendMessage(e.getPlayer(), "messages.no-iron-golem-heal");

                // This is just there to update the Inventory...
                // Somehow cancelling it isn't enough.
                if (e.getHand() == EquipmentSlot.HAND) {
                    inv.setItemInMainHand(item);
                }
                else if (e.getHand() == EquipmentSlot.OFF_HAND) {
                    inv.setItemInOffHand(item);
                }
            }
        }
    }
}