Paper/nms-patches/ContainerEnchantTable.patch
2015-05-25 20:37:24 +10:00

178 lines
8.0 KiB
Diff

--- a/net/minecraft/server/ContainerEnchantTable.java
+++ b/net/minecraft/server/ContainerEnchantTable.java
@@ -3,9 +3,21 @@
import java.util.List;
import java.util.Random;
+// CraftBukkit start
+import java.util.Map;
+
+import org.bukkit.craftbukkit.inventory.CraftInventoryEnchanting;
+import org.bukkit.craftbukkit.inventory.CraftInventoryView;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.event.enchantment.EnchantItemEvent;
+import org.bukkit.event.enchantment.PrepareItemEnchantEvent;
+import org.bukkit.entity.Player;
+// CraftBukkit end
+
public class ContainerEnchantTable extends Container {
- public IInventory enchantSlots = new InventorySubcontainer("Enchant", true, 2) {
+ // CraftBukkit - make type specific (changed from IInventory)
+ public InventorySubcontainer enchantSlots = new InventorySubcontainer("Enchant", true, 2) {
public int getMaxStackSize() {
return 64;
}
@@ -21,6 +33,10 @@
public int f;
public int[] costs = new int[3];
public int[] h = new int[] { -1, -1, -1};
+ // CraftBukkit start
+ private CraftInventoryView bukkitEntity = null;
+ private Player player;
+ // CraftBukkit end
public ContainerEnchantTable(PlayerInventory playerinventory, World world, BlockPosition blockposition) {
this.world = world;
@@ -53,6 +69,9 @@
this.a(new Slot(playerinventory, i, 8 + i * 18, 142));
}
+ // CraftBukkit start
+ player = (Player) playerinventory.player.getBukkitEntity();
+ // CraftBukkit end
}
public void addSlotListener(ICrafting icrafting) {
@@ -88,7 +107,7 @@
ItemStack itemstack = iinventory.getItem(0);
int i;
- if (itemstack != null && itemstack.v()) {
+ if (itemstack != null) { // CraftBukkit - relax condition
if (!this.world.isClientSide) {
i = 0;
@@ -136,6 +155,20 @@
}
}
+ // CraftBukkit start
+ CraftItemStack item = CraftItemStack.asCraftMirror(itemstack);
+ PrepareItemEnchantEvent event = new PrepareItemEnchantEvent(player, this.getBukkitView(), this.world.getWorld().getBlockAt(position.getX(), position.getY(), position.getZ()), item, this.costs, i);
+ event.setCancelled(!itemstack.v());
+ this.world.getServer().getPluginManager().callEvent(event);
+
+ if (event.isCancelled()) {
+ for (i = 0; i < 3; ++i) {
+ this.costs[i] = 0;
+ }
+ return;
+ }
+ // CraftBukkit end
+
for (j = 0; j < 3; ++j) {
if (this.costs[j] > 0) {
List list = this.a(itemstack, j, this.costs[j]);
@@ -170,24 +203,55 @@
} else if (this.costs[i] > 0 && itemstack != null && (entityhuman.expLevel >= j && entityhuman.expLevel >= this.costs[i] || entityhuman.abilities.canInstantlyBuild)) {
if (!this.world.isClientSide) {
List list = this.a(itemstack, i, this.costs[i]);
+ // CraftBukkit start - Provide an empty enchantment list
+ if (list == null) {
+ list = new java.util.ArrayList<WeightedRandomEnchant>();
+ }
+ // CraftBukkit end
boolean flag = itemstack.getItem() == Items.BOOK;
if (list != null) {
- entityhuman.b(j);
+ // CraftBukkit start
+ Map<org.bukkit.enchantments.Enchantment, Integer> enchants = new java.util.HashMap<org.bukkit.enchantments.Enchantment, Integer>();
+ for (Object obj : list) {
+ WeightedRandomEnchant instance = (WeightedRandomEnchant) obj;
+ enchants.put(org.bukkit.enchantments.Enchantment.getById(instance.enchantment.id), instance.level);
+ }
+ CraftItemStack item = CraftItemStack.asCraftMirror(itemstack);
+
+ EnchantItemEvent event = new EnchantItemEvent((Player) entityhuman.getBukkitEntity(), this.getBukkitView(), this.world.getWorld().getBlockAt(position.getX(), position.getY(), position.getZ()), item, this.costs[i], enchants, i);
+ this.world.getServer().getPluginManager().callEvent(event);
+
+ int level = event.getExpLevelCost();
+ if (event.isCancelled() || (level > entityhuman.expLevel && !entityhuman.abilities.canInstantlyBuild) || event.getEnchantsToAdd().isEmpty()) {
+ return false;
+ }
if (flag) {
itemstack.setItem(Items.ENCHANTED_BOOK);
}
- for (int k = 0; k < list.size(); ++k) {
- WeightedRandomEnchant weightedrandomenchant = (WeightedRandomEnchant) list.get(k);
+ for (Map.Entry<org.bukkit.enchantments.Enchantment, Integer> entry : event.getEnchantsToAdd().entrySet()) {
+ try {
+ if (flag) {
+ int enchantId = entry.getKey().getId();
+ if (Enchantment.getById(enchantId) == null) {
+ continue;
+ }
- if (flag) {
- Items.ENCHANTED_BOOK.a(itemstack, weightedrandomenchant);
- } else {
- itemstack.addEnchantment(weightedrandomenchant.enchantment, weightedrandomenchant.level);
+ WeightedRandomEnchant enchantment = new WeightedRandomEnchant(Enchantment.getById(enchantId), entry.getValue());
+ Items.ENCHANTED_BOOK.a(itemstack, enchantment);
+ } else {
+ item.addUnsafeEnchantment(entry.getKey(), entry.getValue());
+ }
+ } catch (IllegalArgumentException e) {
+ /* Just swallow invalid enchantments */
}
}
+ entityhuman.b(j);
+ // CraftBukkit end
+
+ // CraftBukkit - TODO: let plugins change this
if (!entityhuman.abilities.canInstantlyBuild) {
itemstack1.count -= j;
if (itemstack1.count <= 0) {
@@ -221,6 +285,11 @@
public void b(EntityHuman entityhuman) {
super.b(entityhuman);
+ // CraftBukkit Start - If an enchantable was opened from a null location, set the world to the player's world, preventing a crash
+ if(this.world == null) {
+ this.world = entityhuman.getWorld();
+ }
+ // CraftBukkit end
if (!this.world.isClientSide) {
for (int i = 0; i < this.enchantSlots.getSize(); ++i) {
ItemStack itemstack = this.enchantSlots.splitWithoutUpdate(i);
@@ -234,6 +303,7 @@
}
public boolean a(EntityHuman entityhuman) {
+ if (!this.checkReachable) return true; // CraftBukkit
return this.world.getType(this.position).getBlock() != Blocks.ENCHANTING_TABLE ? false : entityhuman.e((double) this.position.getX() + 0.5D, (double) this.position.getY() + 0.5D, (double) this.position.getZ() + 0.5D) <= 64.0D;
}
@@ -286,4 +356,17 @@
return itemstack;
}
+
+ // CraftBukkit start
+ @Override
+ public CraftInventoryView getBukkitView() {
+ if (bukkitEntity != null) {
+ return bukkitEntity;
+ }
+
+ CraftInventoryEnchanting inventory = new CraftInventoryEnchanting(this.enchantSlots);
+ bukkitEntity = new CraftInventoryView(this.player, inventory, this);
+ return bukkitEntity;
+ }
+ // CraftBukkit end
}