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Support dynamic addition of valid interfaces in ItemVerificationHandler, for plugins.

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Major-
2015-01-12 02:44:08 +00:00
parent 17019523c2
commit 2c7ecdad80
1 changed files with 49 additions and 14 deletions
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src/org/apollo/game/message/handler/impl/ItemVerificationHandler.java
+49 -14
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@@ -1,5 +1,8 @@
package org.apollo.game.message.handler.impl;
import java.util.HashMap;
import java.util.Map;
import org.apollo.game.message.handler.MessageHandler;
import org.apollo.game.message.handler.MessageHandlerContext;
import org.apollo.game.message.impl.InventoryItemMessage;
@@ -13,29 +16,61 @@ import org.apollo.game.model.inv.SynchronizationInventoryListener;
* A {@link MessageHandler} that verifies {@link InventoryItemMessage}s.
*
* @author Chris Fletcher
* @author Major
*/
public final class ItemVerificationHandler extends MessageHandler<InventoryItemMessage> {
/**
* A supplier for an {@link Inventory}.
*
* @author Major
*/
@FunctionalInterface
public static interface InventorySupplier {
/**
* Gets the appropriate {@link Inventory}.
*
* @param player The {@link Player} who prompted the verification call.
* @return The inventory. Must not be {@code null}.
*/
public Inventory getInventory(Player player);
}
/**
* The map of interface ids to inventories.
*/
private static final Map<Integer, InventorySupplier> inventories = new HashMap<>();
static {
inventories.put(SynchronizationInventoryListener.INVENTORY_ID, Player::getInventory);
inventories.put(BankConstants.SIDEBAR_INVENTORY_ID, Player::getInventory);
inventories.put(SynchronizationInventoryListener.EQUIPMENT_ID, Player::getEquipment);
inventories.put(BankConstants.BANK_INVENTORY_ID, Player::getBank);
}
/**
* Adds an {@link Inventory} with the specified interface id to the {@link Map} of supported ones,
* <strong>iff</strong> the specified id does <strong>not</strong> already have a mapping.
*
* @param id The id of the interface.
* @param supplier The {@link InventorySupplier}.
*/
public static void addInventory(int id, InventorySupplier supplier) {
inventories.putIfAbsent(id, supplier);
}
@Override
public void handle(MessageHandlerContext ctx, Player player, InventoryItemMessage message) {
Inventory inventory;
switch (message.getInterfaceId()) {
case SynchronizationInventoryListener.INVENTORY_ID:
case BankConstants.SIDEBAR_INVENTORY_ID:
inventory = player.getInventory();
break;
case SynchronizationInventoryListener.EQUIPMENT_ID:
inventory = player.getEquipment();
break;
case BankConstants.BANK_INVENTORY_ID:
inventory = player.getBank();
break;
default:
InventorySupplier supplier = inventories.get(message.getInterfaceId());
if (supplier == null) {
ctx.breakHandlerChain();
return;
}
Inventory inventory = supplier.getInventory(player);
int slot = message.getSlot();
if (slot < 0 || slot >= inventory.capacity()) {
ctx.breakHandlerChain();