在放置事件取消时,对添加到玩家背包的物品进行还原

patches/net/minecraft/entity/player/InventoryPlayer.java.patch

@@ -1,6 +1,6 @@
 --- ../src-base/minecraft/net/minecraft/entity/player/InventoryPlayer.java
 +++ ../src-work/minecraft/net/minecraft/entity/player/InventoryPlayer.java
-@@ -2,7 +2,9 @@
+@@ -2,10 +2,13 @@
  
  import cpw.mods.fml.relauncher.Side;
  import cpw.mods.fml.relauncher.SideOnly;
@@ -10,21 +10,28 @@
  import net.minecraft.block.Block;
  import net.minecraft.crash.CrashReport;
  import net.minecraft.crash.CrashReportCategory;
-@@ -13,7 +15,13 @@
++import net.minecraft.entity.item.EntityItem;
+ import net.minecraft.inventory.IInventory;
+ import net.minecraft.item.Item;
+ import net.minecraft.item.ItemArmor;
+@@ -13,7 +16,16 @@
  import net.minecraft.nbt.NBTTagCompound;
  import net.minecraft.nbt.NBTTagList;
  import net.minecraft.util.ReportedException;
++import net.minecraftforge.common.util.EntitySnapshot;
+ 
 +// CraftBukkit start
 +import java.util.List;
- 
++
 +import org.bukkit.craftbukkit.entity.CraftHumanEntity;
 +import org.bukkit.entity.HumanEntity;
 +// CraftBukkit end
++import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
 +
  public class InventoryPlayer implements IInventory
  {
      public ItemStack[] mainInventory = new ItemStack[36];
-@@ -25,7 +33,46 @@
+@@ -25,7 +37,46 @@
      private ItemStack itemStack;
      public boolean inventoryChanged;
      private static final String __OBFID = "CL_00001709";
@@ -71,7 +78,7 @@
      public InventoryPlayer(EntityPlayer p_i1750_1_)
      {
          this.player = p_i1750_1_;
-@@ -81,6 +128,34 @@
+@@ -81,6 +132,34 @@
          return -1;
      }
  
@@ -106,7 +113,18 @@
      public int getFirstEmptyStack()
      {
          for (int i = 0; i < this.mainInventory.length; ++i)
-@@ -430,25 +505,24 @@
+@@ -350,6 +429,10 @@
+     {
+         if (p_70441_1_ != null && p_70441_1_.stackSize != 0 && p_70441_1_.getItem() != null)
+         {
++            if(player.worldObj.captureBlockSnapshots){
++                player.worldObj.capturedItems.add(ItemStack.copyItemStack(p_70441_1_));
++                return true;
++            }
+             try
+             {
+                 int i;
+@@ -430,25 +513,24 @@
  
          if (aitemstack[p_70298_1_] != null)
          {
@@ -140,7 +158,7 @@
          }
          else
          {
-@@ -658,7 +732,7 @@
+@@ -658,7 +740,7 @@
              if (this.mainInventory[i] != null)
              {
                  this.player.func_146097_a(this.mainInventory[i], true, false);
@@ -149,7 +167,7 @@
              }
          }
  
-@@ -667,7 +741,7 @@
+@@ -667,7 +749,7 @@
              if (this.armorInventory[i] != null)
              {
                  this.player.func_146097_a(this.armorInventory[i], true, false);