Upstream Paper

src/main/java/net/minecraft/server/ItemBlock.java

@@ -0,0 +1,141 @@
+package net.minecraft.server;
+
+import java.util.Map;
+import javax.annotation.Nullable;
+// CraftBukkit start
+import org.bukkit.craftbukkit.block.CraftBlock;
+import org.bukkit.craftbukkit.block.data.CraftBlockData;
+import org.bukkit.event.block.BlockCanBuildEvent;
+// CraftBukkit end
+
+public class ItemBlock extends Item {
+
+    @Deprecated
+    private final Block a;
+
+    public ItemBlock(Block block, Item.Info item_info) {
+        super(item_info);
+        this.a = block;
+    }
+
+    public EnumInteractionResult a(ItemActionContext itemactioncontext) {
+        return this.a(new BlockActionContext(itemactioncontext));
+    }
+
+    public EnumInteractionResult a(BlockActionContext blockactioncontext) {
+        if (!blockactioncontext.b()) {
+            return EnumInteractionResult.FAIL;
+        } else {
+            IBlockData iblockdata = this.b(blockactioncontext);
+
+            if (iblockdata == null) {
+                return EnumInteractionResult.FAIL;
+            } else if (!this.a(blockactioncontext, iblockdata)) {
+                return EnumInteractionResult.FAIL;
+            } else {
+                BlockPosition blockposition = blockactioncontext.getClickPosition();
+                World world = blockactioncontext.getWorld();
+                EntityHuman entityhuman = blockactioncontext.getEntity();
+                ItemStack itemstack = blockactioncontext.getItemStack();
+                IBlockData iblockdata1 = world.getType(blockposition);
+                Block block = iblockdata1.getBlock();
+
+                if (block == iblockdata.getBlock()) {
+                    this.a(blockposition, world, entityhuman, itemstack, iblockdata1);
+                    block.postPlace(world, blockposition, iblockdata1, entityhuman, itemstack);
+                    if (entityhuman instanceof EntityPlayer) {
+                        CriterionTriggers.y.a((EntityPlayer) entityhuman, blockposition, itemstack);
+                    }
+                }
+
+                SoundEffectType soundeffecttype = block.getStepSound();
+
+                // world.a(entityhuman, blockposition, soundeffecttype.e(), SoundCategory.BLOCKS, (soundeffecttype.a() + 1.0F) / 2.0F, soundeffecttype.b() * 0.8F); // CraftBukkit - SPIGOT-1288
+                itemstack.subtract(1);
+                return EnumInteractionResult.SUCCESS;
+            }
+        }
+    }
+
+    protected boolean a(BlockPosition blockposition, World world, @Nullable EntityHuman entityhuman, ItemStack itemstack, IBlockData iblockdata) {
+        return a(world, entityhuman, blockposition, itemstack);
+    }
+
+    @Nullable
+    protected IBlockData b(BlockActionContext blockactioncontext) {
+        IBlockData iblockdata = this.getBlock().getPlacedState(blockactioncontext);
+
+        return iblockdata != null && this.b(blockactioncontext, iblockdata) ? iblockdata : null;
+    }
+
+    protected boolean b(BlockActionContext blockactioncontext, IBlockData iblockdata) {
+        // CraftBukkit start - store default return
+        final World world = blockactioncontext.getWorld(); // Paper
+        boolean defaultReturn = iblockdata.canPlace(world, blockactioncontext.getClickPosition()) && world.a(iblockdata, blockactioncontext.getClickPosition()) && world.checkNoVisiblePlayerCollisions(blockactioncontext.getEntity(), iblockdata.getCollisionShape(world, blockactioncontext.getClickPosition())); // Paper - Use our entity search
+        org.bukkit.entity.Player player = (blockactioncontext.getEntity() instanceof EntityPlayer) ? (org.bukkit.entity.Player) blockactioncontext.getEntity().getBukkitEntity() : null;
+
+        BlockCanBuildEvent event = new BlockCanBuildEvent(CraftBlock.at(blockactioncontext.getWorld(), blockactioncontext.getClickPosition()), player, CraftBlockData.fromData(iblockdata), defaultReturn);
+        blockactioncontext.getWorld().getServer().getPluginManager().callEvent(event);
+
+        return event.isBuildable();
+        // CraftBukkit end
+    }
+
+    protected boolean a(BlockActionContext blockactioncontext, IBlockData iblockdata) {
+        return blockactioncontext.getWorld().setTypeAndData(blockactioncontext.getClickPosition(), iblockdata, 11);
+    }
+
+    public static boolean a(World world, @Nullable EntityHuman entityhuman, BlockPosition blockposition, ItemStack itemstack) {
+        MinecraftServer minecraftserver = world.getMinecraftServer();
+
+        if (minecraftserver == null) {
+            return false;
+        } else {
+            NBTTagCompound nbttagcompound = itemstack.b("BlockEntityTag");
+
+            if (nbttagcompound != null) {
+                TileEntity tileentity = world.getTileEntity(blockposition);
+
+                if (tileentity != null) {
+                    if (!world.isClientSide && tileentity.isFilteredNBT() && (entityhuman == null || !(entityhuman.isCreativeAndOp() || (entityhuman.abilities.canInstantlyBuild && entityhuman.getBukkitEntity().hasPermission("minecraft.nbt.place"))))) { // Spigot - add permission
+                        return false;
+                    }
+
+                    NBTTagCompound nbttagcompound1 = tileentity.save(new NBTTagCompound());
+                    NBTTagCompound nbttagcompound2 = nbttagcompound1.clone();
+
+                    nbttagcompound1.a(nbttagcompound);
+                    nbttagcompound1.setInt("x", blockposition.getX());
+                    nbttagcompound1.setInt("y", blockposition.getY());
+                    nbttagcompound1.setInt("z", blockposition.getZ());
+                    if (!nbttagcompound1.equals(nbttagcompound2)) {
+                        tileentity.load(nbttagcompound1);
+                        tileentity.update();
+                        return true;
+                    }
+                }
+            }
+
+            return false;
+        }
+    }
+
+    public String getName() {
+        return this.getBlock().m();
+    }
+
+    public void a(CreativeModeTab creativemodetab, NonNullList<ItemStack> nonnulllist) {
+        if (this.a(creativemodetab)) {
+            this.getBlock().a(creativemodetab, nonnulllist);
+        }
+
+    }
+
+    public Block getBlock() {
+        return this.a;
+    }
+
+    public void a(Map<Block, Item> map, Item item) {
+        map.put(this.getBlock(), item);
+    }
+}