Properly handle null and air items. Fixes BUKKIT-435 and BUKKIT-550

We'll probably want to implement an ItemStack.EMPTY and return that
instead of NULL in the near future.
This commit is contained in:
EvilSeph 2012-01-20 02:26:26 -05:00
parent 4b0f819af2
commit 76d7a1ce1d
2 changed files with 7 additions and 3 deletions

View File

@ -3,6 +3,8 @@ package org.bukkit.craftbukkit;
import com.google.common.collect.MapMaker; import com.google.common.collect.MapMaker;
import java.io.File; import java.io.File;
import java.util.Set; import java.util.Set;
import org.apache.commons.lang.Validate;
import org.bukkit.craftbukkit.entity.*; import org.bukkit.craftbukkit.entity.*;
import org.bukkit.entity.*; import org.bukkit.entity.*;
import org.bukkit.entity.Entity; import org.bukkit.entity.Entity;
@ -299,6 +301,8 @@ public class CraftWorld implements World {
} }
public org.bukkit.entity.Item dropItem(Location loc, ItemStack item) { public org.bukkit.entity.Item dropItem(Location loc, ItemStack item) {
Validate.notNull(item, "Cannot drop a Null item.");
Validate.isTrue(item.getTypeId() != 0, "Cannot drop AIR.");
CraftItemStack clone = new CraftItemStack(item); CraftItemStack clone = new CraftItemStack(item);
EntityItem entity = new EntityItem(world, loc.getX(), loc.getY(), loc.getZ(), clone.getHandle()); EntityItem entity = new EntityItem(world, loc.getX(), loc.getY(), loc.getZ(), clone.getHandle());
entity.pickupDelay = 10; entity.pickupDelay = 10;

View File

@ -27,7 +27,7 @@ public class CraftInventory implements org.bukkit.inventory.Inventory {
} }
public ItemStack getItem(int index) { public ItemStack getItem(int index) {
return new CraftItemStack(getInventory().getItem(index)); return getInventory().getItem(index).id == 0 ? null : new CraftItemStack(getInventory().getItem(index));
} }
public ItemStack[] getContents() { public ItemStack[] getContents() {
@ -59,7 +59,7 @@ public class CraftInventory implements org.bukkit.inventory.Inventory {
} }
public void setItem(int index, ItemStack item) { public void setItem(int index, ItemStack item) {
getInventory().setItem(index, (item == null ? null : CraftItemStack.createNMSItemStack(item))); getInventory().setItem(index, ((item == null || item.getTypeId() == 0) ? null : CraftItemStack.createNMSItemStack(item)));
} }
public boolean contains(int materialId) { public boolean contains(int materialId) {
@ -170,7 +170,7 @@ public class CraftInventory implements org.bukkit.inventory.Inventory {
ItemStack[] inventory = getContents(); ItemStack[] inventory = getContents();
for (int i = 0; i < inventory.length; i++) { for (int i = 0; i < inventory.length; i++) {
if (inventory[i] == null) continue; if (inventory[i] == null) continue;
boolean equals = false; boolean equals = false;
if (withAmount) { if (withAmount) {