diff --git a/sources/src/main/java/net/minecraft/server/PlayerInteractManager.java b/sources/src/main/java/net/minecraft/server/PlayerInteractManager.java new file mode 100644 index 000000000..1ca7148a9 --- /dev/null +++ b/sources/src/main/java/net/minecraft/server/PlayerInteractManager.java @@ -0,0 +1,568 @@ +package net.minecraft.server; + +// CraftBukkit start +import java.util.ArrayList; +import org.bukkit.event.block.BlockBreakEvent; +import org.bukkit.craftbukkit.event.CraftEventFactory; +import org.bukkit.event.Event; +import org.bukkit.event.block.Action; +import org.bukkit.event.player.PlayerInteractEvent; +// CraftBukkit end + +public class PlayerInteractManager { + + public World world; + public EntityPlayer player; + private EnumGamemode gamemode; + private boolean d; + private int lastDigTick; + private BlockPosition f; + private int currentTick; + private boolean h; + private BlockPosition i; + private int j; + private int k; + + public PlayerInteractManager(World world) { + this.gamemode = EnumGamemode.NOT_SET; + this.f = BlockPosition.ZERO; + this.i = BlockPosition.ZERO; + this.k = -1; + this.world = world; + } + + public void setGameMode(EnumGamemode enumgamemode) { + this.gamemode = enumgamemode; + enumgamemode.a(this.player.abilities); + this.player.updateAbilities(); + this.player.server.getPlayerList().sendAll(new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.UPDATE_GAME_MODE, new EntityPlayer[] { this.player}), this.player); // CraftBukkit + this.world.everyoneSleeping(); + } + + public EnumGamemode getGameMode() { + return this.gamemode; + } + + public boolean c() { + return this.gamemode.e(); + } + + public boolean isCreative() { + return this.gamemode.isCreative(); + } + + public void b(EnumGamemode enumgamemode) { + if (this.gamemode == EnumGamemode.NOT_SET) { + this.gamemode = enumgamemode; + } + + this.setGameMode(this.gamemode); + } + + public void a() { + this.currentTick = MinecraftServer.currentTick; // CraftBukkit; + float f; + int i; + + if (this.h) { + int j = this.currentTick - this.j; + IBlockData iblockdata = this.world.getType(this.i); + + if (iblockdata.getMaterial() == Material.AIR) { + this.h = false; + } else { + f = iblockdata.a((EntityHuman) this.player, this.player.world, this.i) * (float) (j + 1); + i = (int) (f * 10.0F); + if (i != this.k) { + this.world.c(this.player.getId(), this.i, i); + this.k = i; + } + + if (f >= 1.0F) { + this.h = false; + this.breakBlock(this.i); + } + } + } else if (this.d) { + IBlockData iblockdata1 = this.world.getType(this.f); + + if (iblockdata1.getMaterial() == Material.AIR) { + this.world.c(this.player.getId(), this.f, -1); + this.k = -1; + this.d = false; + } else { + int k = this.currentTick - this.lastDigTick; + + f = iblockdata1.a((EntityHuman) this.player, this.player.world, this.i) * (float) (k + 1); + i = (int) (f * 10.0F); + if (i != this.k) { + this.world.c(this.player.getId(), this.f, i); + this.k = i; + } + } + } + + } + + public void a(BlockPosition blockposition, EnumDirection enumdirection) { + // CraftBukkit start + PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.player, Action.LEFT_CLICK_BLOCK, blockposition, enumdirection, this.player.inventory.getItemInHand(), EnumHand.MAIN_HAND); + if (event.isCancelled()) { + // Let the client know the block still exists + ((EntityPlayer) this.player).playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, blockposition)); + cancelBreakBlock(blockposition, this.world.getType(blockposition)); // Paper - Avoid visual issues on the client + // Update any tile entity data for this block + TileEntity tileentity = this.world.getTileEntity(blockposition); + if (tileentity != null) { + this.player.playerConnection.sendPacket(tileentity.getUpdatePacket()); + } + return; + } + // CraftBukkit end + if (this.isCreative()) { + if (!this.world.douseFire((EntityHuman) null, blockposition, enumdirection)) { + this.breakBlock(blockposition); + } + + } else { + IBlockData iblockdata = this.world.getType(blockposition); + Block block = iblockdata.getBlock(); + + if (this.gamemode.c()) { + if (this.gamemode == EnumGamemode.SPECTATOR) { + return; + } + + if (!this.player.dk()) { + ItemStack itemstack = this.player.getItemInMainHand(); + + if (itemstack.isEmpty()) { + return; + } + + if (!itemstack.a(block)) { + return; + } + } + } + + // this.world.douseFire((EntityHuman) null, blockposition, enumdirection); // CraftBukkit - Moved down + this.lastDigTick = this.currentTick; + float f = 1.0F; + + // CraftBukkit start - Swings at air do *NOT* exist. + if (event.useInteractedBlock() == Event.Result.DENY) { + // If we denied a door from opening, we need to send a correcting update to the client, as it already opened the door. + IBlockData data = this.world.getType(blockposition); + if (block == Blocks.WOODEN_DOOR) { + // For some reason *BOTH* the bottom/top part have to be marked updated. + boolean bottom = data.get(BlockDoor.HALF) == BlockDoor.EnumDoorHalf.LOWER; + ((EntityPlayer) this.player).playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, blockposition)); + ((EntityPlayer) this.player).playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, bottom ? blockposition.up() : blockposition.down())); + } else if (block == Blocks.TRAPDOOR) { + ((EntityPlayer) this.player).playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, blockposition)); + } + } else if (iblockdata.getMaterial() != Material.AIR) { + block.attack(this.world, blockposition, this.player); + f = iblockdata.a((EntityHuman) this.player, this.player.world, blockposition); + // Allow fire punching to be blocked + this.world.douseFire((EntityHuman) null, blockposition, enumdirection); + } + + if (event.useItemInHand() == Event.Result.DENY) { + // If we 'insta destroyed' then the client needs to be informed. + if (f > 1.0f) { + ((EntityPlayer) this.player).playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, blockposition)); + } + return; + } + org.bukkit.event.block.BlockDamageEvent blockEvent = CraftEventFactory.callBlockDamageEvent(this.player, blockposition.getX(), blockposition.getY(), blockposition.getZ(), this.player.inventory.getItemInHand(), f >= 1.0f); + + if (blockEvent.isCancelled()) { + // Let the client know the block still exists + ((EntityPlayer) this.player).playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, blockposition)); + return; + } + + if (blockEvent.getInstaBreak()) { + f = 2.0f; + } + // CraftBukkit end + + if (iblockdata.getMaterial() != Material.AIR && f >= 1.0F) { + this.breakBlock(blockposition); + } else { + this.d = true; + this.f = blockposition; + int i = (int) (f * 10.0F); + + this.world.c(this.player.getId(), blockposition, i); + this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(world, blockposition)); // Paper - MC-54026 - backport from 1.13 + this.k = i; + } + + } + + this.world.chunkPacketBlockController.updateNearbyBlocks(this.world, blockposition); // Paper - Anti-Xray + } + + public void a(BlockPosition blockposition) { + if (blockposition.equals(this.f)) { + this.currentTick = MinecraftServer.currentTick; // CraftBukkit + int i = this.currentTick - this.lastDigTick; + IBlockData iblockdata = this.world.getType(blockposition); + + if (iblockdata.getMaterial() != Material.AIR) { + float f = iblockdata.a((EntityHuman) this.player, this.player.world, blockposition) * (float) (i + 1); + + if (f >= 0.7F) { + this.d = false; + this.world.c(this.player.getId(), blockposition, -1); + this.breakBlock(blockposition); + } else if (!this.h) { + this.d = false; + this.h = true; + this.i = blockposition; + this.j = this.lastDigTick; + } + } + // CraftBukkit start - Force block reset to client + } else { + this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, blockposition)); + // CraftBukkit end + } + + } + + public void e() { + this.d = false; + this.world.c(this.player.getId(), this.f, -1); + } + + private boolean c(BlockPosition blockposition) { + IBlockData iblockdata = this.world.getType(blockposition); + + iblockdata.getBlock().a(this.world, blockposition, iblockdata, (EntityHuman) this.player); + boolean flag = this.world.setAir(blockposition); + + if (flag) { + iblockdata.getBlock().postBreak(this.world, blockposition, iblockdata); + } + + return flag; + } + + // Paper start - Extra method to avoid visual issues on the client when cancelling block breaks + private void cancelBreakBlock(BlockPosition position, IBlockData data) { + Block block = data.getBlock(); + // Send other half of the door + if (block instanceof BlockDoor) { + boolean bottom = data.get(BlockDoor.HALF) == BlockDoor.EnumDoorHalf.LOWER; + this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(world, bottom ? position.up() : position.down())); + } else if (block instanceof BlockTallPlant) { + boolean bottom = data.get(BlockTallPlant.HALF) == BlockTallPlant.EnumTallPlantHalf.LOWER; + this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(world, bottom ? position.up() : position.down())); + } else if (block instanceof BlockPistonExtension) { + BlockPosition piston = position.shift(data.get(BlockPistonExtension.FACING).opposite()); + this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(world, piston)); + } else if (block instanceof BlockBed) { + if (data.get(BlockBed.PART) == BlockBed.EnumBedPart.FOOT) { + // Restore head of bed + BlockPosition head = position.shift(data.get(BlockBed.FACING)); + this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(world, head)); + + TileEntity tileentity = this.world.getTileEntity(head); + if (tileentity != null) { + this.player.playerConnection.sendPacket(tileentity.getUpdatePacket()); + } + } + } + } + // Paper end + + public boolean breakBlock(BlockPosition blockposition) { + // CraftBukkit start - fire BlockBreakEvent + BlockBreakEvent event = null; + + if (this.player instanceof EntityPlayer) { + org.bukkit.block.Block block = this.world.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()); + + // Sword + Creative mode pre-cancel + boolean isSwordNoBreak = this.gamemode.isCreative() && !this.player.getItemInMainHand().isEmpty() && this.player.getItemInMainHand().getItem() instanceof ItemSword; + + // Tell client the block is gone immediately then process events + // Don't tell the client if its a creative sword break because its not broken! + if (world.getTileEntity(blockposition) == null && !isSwordNoBreak) { + PacketPlayOutBlockChange packet = new PacketPlayOutBlockChange(this.world, blockposition); + packet.block = Blocks.AIR.getBlockData(); + ((EntityPlayer) this.player).playerConnection.sendPacket(packet); + } + + event = new BlockBreakEvent(block, this.player.getBukkitEntity()); + + // Sword + Creative mode pre-cancel + event.setCancelled(isSwordNoBreak); + + // Calculate default block experience + IBlockData nmsData = this.world.getType(blockposition); + Block nmsBlock = nmsData.getBlock(); + + ItemStack itemstack = this.player.getEquipment(EnumItemSlot.MAINHAND); + + if (nmsBlock != null && !event.isCancelled() && !this.isCreative() && this.player.hasBlock(nmsBlock.getBlockData())) { + // Copied from block.a(World world, EntityHuman entityhuman, BlockPosition blockposition, IBlockData iblockdata, @Nullable TileEntity tileentity, ItemStack itemstack) + // PAIL: checkme each update + if (!(nmsBlock.o() && EnchantmentManager.getEnchantmentLevel(Enchantments.SILK_TOUCH, itemstack) > 0)) { + int bonusLevel = EnchantmentManager.getEnchantmentLevel(Enchantments.LOOT_BONUS_BLOCKS, itemstack); + + event.setExpToDrop(nmsBlock.getExpDrop(this.world, nmsData, bonusLevel)); + } + } + + this.world.getServer().getPluginManager().callEvent(event); + + if (event.isCancelled()) { + if (isSwordNoBreak) { + return false; + } + // Let the client know the block still exists + ((EntityPlayer) this.player).playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, blockposition)); + cancelBreakBlock(blockposition, nmsData); // Paper - Move cancellation code to extra "cancelBreakBlock" method + // Update any tile entity data for this block + TileEntity tileentity = this.world.getTileEntity(blockposition); + if (tileentity != null) { + this.player.playerConnection.sendPacket(tileentity.getUpdatePacket()); + } + return false; + } + } + if (false && this.gamemode.isCreative() && !this.player.getItemInMainHand().isEmpty() && this.player.getItemInMainHand().getItem() instanceof ItemSword) { // CraftBukkit - false + return false; + } else { + IBlockData iblockdata = this.world.getType(blockposition); + if (iblockdata.getBlock() == Blocks.AIR) return false; // CraftBukkit - A plugin set block to air without cancelling + TileEntity tileentity = this.world.getTileEntity(blockposition); + Block block = iblockdata.getBlock(); + + // CraftBukkit start - Special case skulls, their item data comes from a tile entity (Also check if block should drop items) + if (iblockdata.getBlock() == Blocks.SKULL && !this.isCreative() && event.isDropItems()) { + iblockdata.getBlock().dropNaturally(world, blockposition, iblockdata, 1.0F, 0); + return this.c(blockposition); + } + + // And shulker boxes too for duplication on cancel reasons (Also check if block should drop items) + if (iblockdata.getBlock() instanceof BlockShulkerBox && event.isDropItems()) { + iblockdata.getBlock().dropNaturally(world, blockposition, iblockdata, 1.0F, 0); + return this.c(blockposition); + } + // CraftBukkit end + + if ((block instanceof BlockCommand || block instanceof BlockStructure) && !this.player.isCreativeAndOp()) { + this.world.notify(blockposition, iblockdata, iblockdata, 3); + return false; + } else { + if (this.gamemode.c()) { + if (this.gamemode == EnumGamemode.SPECTATOR) { + return false; + } + + if (!this.player.dk()) { + ItemStack itemstack = this.player.getItemInMainHand(); + + if (itemstack.isEmpty()) { + return false; + } + + if (!itemstack.a(block)) { + return false; + } + } + } + + this.world.a(this.player, 2001, blockposition, Block.getCombinedId(iblockdata)); + // CraftBukkit start + world.captureDrops = new ArrayList<>(); + boolean flag = this.c(blockposition); + if (event.isDropItems()) { + for (EntityItem item : world.captureDrops) { + world.addEntity(item); + } + } + world.captureDrops = null; + // CraftBukkit end + + if (this.isCreative()) { + this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, blockposition)); + } else { + ItemStack itemstack1 = this.player.getItemInMainHand(); + //ItemStack itemstack2 = itemstack1.isEmpty() ? ItemStack.a : itemstack1.cloneItemStack(); //NeonPaper move up + boolean flag1 = this.player.hasBlock(iblockdata); + ItemStack itemstack2 = flag && flag1 && event.isDropItems() && !itemstack1.isEmpty() ? itemstack1.cloneItemStack() : ItemStack.a; // NeonPaper - clone before use + + if (!itemstack1.isEmpty()) { + itemstack1.a(this.world, iblockdata, blockposition, this.player); + } + + // CraftBukkit start - Check if block should drop items + if (flag && flag1 && event.isDropItems()) { + iblockdata.getBlock().a(this.world, this.player, blockposition, iblockdata, tileentity, itemstack2); + } + // CraftBukkit end + } + + // CraftBukkit start - Drop event experience + if (flag && event != null) { + iblockdata.getBlock().dropExperience(this.world, blockposition, event.getExpToDrop(), this.player); // Paper + } + // CraftBukkit end + + return flag; + } + } + } + + public EnumInteractionResult a(EntityHuman entityhuman, World world, ItemStack itemstack, EnumHand enumhand) { + if (this.gamemode == EnumGamemode.SPECTATOR) { + return EnumInteractionResult.PASS; + } else if (entityhuman.getCooldownTracker().a(itemstack.getItem())) { + return EnumInteractionResult.PASS; + } else { + int i = itemstack.getCount(); + int j = itemstack.getData(); + InteractionResultWrapper interactionresultwrapper = itemstack.a(world, entityhuman, enumhand); + ItemStack itemstack1 = (ItemStack) interactionresultwrapper.b(); + + if (itemstack1 == itemstack && itemstack1.getCount() == i && itemstack1.m() <= 0 && itemstack1.getData() == j) { + return interactionresultwrapper.a(); + } else if (interactionresultwrapper.a() == EnumInteractionResult.FAIL && itemstack1.m() > 0 && !entityhuman.isHandRaised()) { + return interactionresultwrapper.a(); + } else { + entityhuman.a(enumhand, itemstack1); + if (this.isCreative()) { + itemstack1.setCount(i); + if (itemstack1.f()) { + itemstack1.setData(j); + } + } + + if (itemstack1.isEmpty()) { + entityhuman.a(enumhand, ItemStack.a); + } + + if (!entityhuman.isHandRaised()) { + ((EntityPlayer) entityhuman).updateInventory(entityhuman.defaultContainer); + } + + return interactionresultwrapper.a(); + } + } + } + + // CraftBukkit start - whole method + public boolean interactResult = false; + public boolean firedInteract = false; + public EnumInteractionResult a(EntityHuman entityhuman, World world, ItemStack itemstack, EnumHand enumhand, BlockPosition blockposition, EnumDirection enumdirection, float f, float f1, float f2) { + IBlockData blockdata = world.getType(blockposition); + EnumInteractionResult enuminteractionresult = EnumInteractionResult.FAIL; + if (blockdata.getBlock() != Blocks.AIR) { + boolean cancelledBlock = false; + + if (this.gamemode == EnumGamemode.SPECTATOR) { + TileEntity tileentity = world.getTileEntity(blockposition); + cancelledBlock = !(tileentity instanceof ITileInventory || tileentity instanceof IInventory); + } + + if (entityhuman.getCooldownTracker().a(itemstack.getItem())) { + cancelledBlock = true; + } + + if (itemstack.getItem() instanceof ItemBlock && !entityhuman.isCreativeAndOp()) { + Block block1 = ((ItemBlock) itemstack.getItem()).getBlock(); + + if (block1 instanceof BlockCommand || block1 instanceof BlockStructure) { + cancelledBlock = true; + } + } + + PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(entityhuman, Action.RIGHT_CLICK_BLOCK, blockposition, enumdirection, itemstack, cancelledBlock, enumhand); + firedInteract = true; + interactResult = event.useItemInHand() == Event.Result.DENY; + + if (event.useInteractedBlock() == Event.Result.DENY) { + // If we denied a door from opening, we need to send a correcting update to the client, as it already opened the door. + if (blockdata.getBlock() instanceof BlockDoor) { + boolean bottom = blockdata.get(BlockDoor.HALF) == BlockDoor.EnumDoorHalf.LOWER; + ((EntityPlayer) entityhuman).playerConnection.sendPacket(new PacketPlayOutBlockChange(world, bottom ? blockposition.up() : blockposition.down())); + } else if (blockdata.getBlock() instanceof BlockCake) { + ((EntityPlayer) entityhuman).getBukkitEntity().sendHealthUpdate(); // SPIGOT-1341 - reset health for cake + // Paper start - extend Player Interact cancellation + } else if (blockdata.getBlock() instanceof BlockStructure) { + ((EntityPlayer) entityhuman).playerConnection.sendPacket(new PacketPlayOutCloseWindow()); + } else if (blockdata.getBlock() instanceof BlockCommand) { + ((EntityPlayer) entityhuman).playerConnection.sendPacket(new PacketPlayOutCloseWindow()); + } else if (blockdata.getBlock() instanceof BlockFlowerPot) { + // Send a block change to air and then send back the correct block, just to make the client happy + PacketPlayOutBlockChange packet = new PacketPlayOutBlockChange(this.world, blockposition); + packet.block = Blocks.AIR.getBlockData(); + this.player.playerConnection.sendPacket(packet); + + this.player.playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, blockposition)); + + TileEntity tileentity = this.world.getTileEntity(blockposition); + if (tileentity != null) { + player.playerConnection.sendPacket(tileentity.getUpdatePacket()); + } + // Paper end - extend Player Interact cancellation + } + ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory(); // SPIGOT-2867 + enuminteractionresult = (event.useItemInHand() != Event.Result.ALLOW) ? EnumInteractionResult.SUCCESS : EnumInteractionResult.PASS; + } else if (this.gamemode == EnumGamemode.SPECTATOR) { + TileEntity tileentity = world.getTileEntity(blockposition); + + if (tileentity instanceof ITileInventory) { + Block block = world.getType(blockposition).getBlock(); + ITileInventory itileinventory = (ITileInventory) tileentity; + + if (itileinventory instanceof TileEntityChest && block instanceof BlockChest) { + itileinventory = ((BlockChest) block).getInventory(world, blockposition); + } + + if (itileinventory != null) { + entityhuman.openContainer(itileinventory); + return EnumInteractionResult.SUCCESS; + } + } else if (tileentity instanceof IInventory) { + entityhuman.openContainer((IInventory) tileentity); + return EnumInteractionResult.SUCCESS; + } + + return EnumInteractionResult.PASS; + } else { + if (!entityhuman.isSneaking() || entityhuman.getItemInMainHand().isEmpty() && entityhuman.getItemInOffHand().isEmpty()) { + IBlockData iblockdata = world.getType(blockposition); + + enuminteractionresult = iblockdata.getBlock().interact(world, blockposition, iblockdata, entityhuman, enumhand, enumdirection, f, f1, f2) ? EnumInteractionResult.SUCCESS : EnumInteractionResult.PASS; + } + } + + if (!itemstack.isEmpty() && enuminteractionresult != EnumInteractionResult.SUCCESS && !interactResult) { // add !interactResult SPIGOT-764 + int i = itemstack.getData(); + int j = itemstack.getCount(); + + enuminteractionresult = itemstack.placeItem(entityhuman, world, blockposition, enumhand, enumdirection, f, f1, f2); + + // The item count should not decrement in Creative mode. + if (this.isCreative()) { + itemstack.setData(i); + itemstack.setCount(j); + } + } + } + return enuminteractionresult; + // CraftBukkit end + } + + public void a(WorldServer worldserver) { + this.world = worldserver; + } +}