package net.minecraft.server.level; import java.util.Objects; import javax.annotation.Nullable; import net.minecraft.advancements.CriterionTriggers; import net.minecraft.core.BlockPosition; import net.minecraft.core.EnumDirection; import net.minecraft.network.protocol.game.PacketPlayInBlockDig; import net.minecraft.network.protocol.game.PacketPlayOutBlockBreak; import net.minecraft.network.protocol.game.PacketPlayOutPlayerInfo; import net.minecraft.world.EnumHand; import net.minecraft.world.EnumInteractionResult; import net.minecraft.world.ITileInventory; import net.minecraft.world.InteractionResultWrapper; import net.minecraft.world.entity.player.EntityHuman; import net.minecraft.world.item.ItemStack; import net.minecraft.world.item.context.ItemActionContext; import net.minecraft.world.level.EnumGamemode; import net.minecraft.world.level.World; import net.minecraft.world.level.block.Block; import net.minecraft.world.level.block.GameMasterBlock; import net.minecraft.world.level.block.entity.TileEntity; import net.minecraft.world.level.block.state.IBlockData; import net.minecraft.world.phys.MovingObjectPositionBlock; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; // CraftBukkit start import java.util.ArrayList; import net.minecraft.network.protocol.game.PacketPlayOutBlockChange; import net.minecraft.server.MinecraftServer; import net.minecraft.world.entity.EnumItemSlot; import net.minecraft.world.item.ItemBisected; import net.minecraft.world.level.block.BlockCake; import net.minecraft.world.level.block.BlockDoor; import net.minecraft.world.level.block.BlockTrapdoor; import net.minecraft.world.level.block.Blocks; import net.minecraft.world.level.block.state.properties.BlockPropertyDoubleBlockHalf; import org.bukkit.GameMode; import org.bukkit.craftbukkit.block.CraftBlock; 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.PlayerGameModeChangeEvent; import org.bukkit.event.player.PlayerInteractEvent; // CraftBukkit end public class PlayerInteractManager { private static final Logger LOGGER = LogManager.getLogger(); protected WorldServer level; protected final EntityPlayer player; private EnumGamemode gameModeForPlayer; @Nullable private EnumGamemode previousGameModeForPlayer; private boolean isDestroyingBlock; private int destroyProgressStart; private BlockPosition destroyPos; private int gameTicks; private boolean hasDelayedDestroy; private BlockPosition delayedDestroyPos; private int delayedTickStart; private int lastSentState; public PlayerInteractManager(EntityPlayer entityplayer) { this.gameModeForPlayer = EnumGamemode.DEFAULT_MODE; this.destroyPos = BlockPosition.ZERO; this.delayedDestroyPos = BlockPosition.ZERO; this.lastSentState = -1; this.player = entityplayer; this.level = entityplayer.getWorldServer(); } public boolean setGameMode(EnumGamemode enumgamemode) { if (enumgamemode == this.gameModeForPlayer) { return false; } else { // CraftBukkit start PlayerGameModeChangeEvent event = new PlayerGameModeChangeEvent(player.getBukkitEntity(), GameMode.getByValue(enumgamemode.getId())); level.getCraftServer().getPluginManager().callEvent(event); if (event.isCancelled()) { return false; } // CraftBukkit end this.a(enumgamemode, this.gameModeForPlayer); return true; } } protected void a(EnumGamemode enumgamemode, @Nullable EnumGamemode enumgamemode1) { this.previousGameModeForPlayer = enumgamemode1; this.gameModeForPlayer = enumgamemode; enumgamemode.a(this.player.getAbilities()); this.player.updateAbilities(); this.player.server.getPlayerList().sendAll(new PacketPlayOutPlayerInfo(PacketPlayOutPlayerInfo.EnumPlayerInfoAction.UPDATE_GAME_MODE, new EntityPlayer[]{this.player}), this.player); // CraftBukkit this.level.everyoneSleeping(); } public EnumGamemode getGameMode() { return this.gameModeForPlayer; } @Nullable public EnumGamemode c() { return this.previousGameModeForPlayer; } public boolean d() { return this.gameModeForPlayer.g(); } public boolean isCreative() { return this.gameModeForPlayer.isCreative(); } public void a() { this.gameTicks = MinecraftServer.currentTick; // CraftBukkit; IBlockData iblockdata; if (this.hasDelayedDestroy) { iblockdata = this.level.getType(this.delayedDestroyPos); if (iblockdata.isAir()) { this.hasDelayedDestroy = false; } else { float f = this.a(iblockdata, this.delayedDestroyPos, this.delayedTickStart); if (f >= 1.0F) { this.hasDelayedDestroy = false; this.breakBlock(this.delayedDestroyPos); } } } else if (this.isDestroyingBlock) { iblockdata = this.level.getType(this.destroyPos); if (iblockdata.isAir()) { this.level.a(this.player.getId(), this.destroyPos, -1); this.lastSentState = -1; this.isDestroyingBlock = false; } else { this.a(iblockdata, this.destroyPos, this.destroyProgressStart); } } } private float a(IBlockData iblockdata, BlockPosition blockposition, int i) { int j = this.gameTicks - i; float f = iblockdata.getDamage(this.player, this.player.level, blockposition) * (float) (j + 1); int k = (int) (f * 10.0F); if (k != this.lastSentState) { this.level.a(this.player.getId(), blockposition, k); this.lastSentState = k; } return f; } public void a(BlockPosition blockposition, PacketPlayInBlockDig.EnumPlayerDigType packetplayinblockdig_enumplayerdigtype, EnumDirection enumdirection, int i) { double d0 = this.player.locX() - ((double) blockposition.getX() + 0.5D); double d1 = this.player.locY() - ((double) blockposition.getY() + 0.5D) + 1.5D; double d2 = this.player.locZ() - ((double) blockposition.getZ() + 0.5D); double d3 = d0 * d0 + d1 * d1 + d2 * d2; if (d3 > 36.0D) { this.player.connection.sendPacket(new PacketPlayOutBlockBreak(blockposition, this.level.getType(blockposition), packetplayinblockdig_enumplayerdigtype, false, "too far")); } else if (blockposition.getY() >= i) { this.player.connection.sendPacket(new PacketPlayOutBlockBreak(blockposition, this.level.getType(blockposition), packetplayinblockdig_enumplayerdigtype, false, "too high")); } else { IBlockData iblockdata; if (packetplayinblockdig_enumplayerdigtype == PacketPlayInBlockDig.EnumPlayerDigType.START_DESTROY_BLOCK) { if (!this.level.a((EntityHuman) this.player, blockposition)) { // CraftBukkit start - fire PlayerInteractEvent CraftEventFactory.callPlayerInteractEvent(this.player, Action.LEFT_CLICK_BLOCK, blockposition, enumdirection, this.player.getInventory().getItemInHand(), EnumHand.MAIN_HAND); this.player.connection.sendPacket(new PacketPlayOutBlockBreak(blockposition, this.level.getType(blockposition), packetplayinblockdig_enumplayerdigtype, false, "may not interact")); // Update any tile entity data for this block TileEntity tileentity = level.getTileEntity(blockposition); if (tileentity != null) { this.player.connection.sendPacket(tileentity.getUpdatePacket()); } // CraftBukkit end return; } // CraftBukkit start PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.player, Action.LEFT_CLICK_BLOCK, blockposition, enumdirection, this.player.getInventory().getItemInHand(), EnumHand.MAIN_HAND); if (event.isCancelled()) { // Let the client know the block still exists this.player.connection.sendPacket(new PacketPlayOutBlockChange(this.level, blockposition)); // Update any tile entity data for this block TileEntity tileentity = this.level.getTileEntity(blockposition); if (tileentity != null) { this.player.connection.sendPacket(tileentity.getUpdatePacket()); } return; } // CraftBukkit end if (this.isCreative()) { this.a(blockposition, packetplayinblockdig_enumplayerdigtype, "creative destroy"); return; } if (this.player.a((World) this.level, blockposition, this.gameModeForPlayer)) { this.player.connection.sendPacket(new PacketPlayOutBlockBreak(blockposition, this.level.getType(blockposition), packetplayinblockdig_enumplayerdigtype, false, "block action restricted")); return; } this.destroyProgressStart = this.gameTicks; float f = 1.0F; iblockdata = this.level.getType(blockposition); // 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.level.getType(blockposition); if (data.getBlock() instanceof BlockDoor) { // For some reason *BOTH* the bottom/top part have to be marked updated. boolean bottom = data.get(BlockDoor.HALF) == BlockPropertyDoubleBlockHalf.LOWER; this.player.connection.sendPacket(new PacketPlayOutBlockChange(this.level, blockposition)); this.player.connection.sendPacket(new PacketPlayOutBlockChange(this.level, bottom ? blockposition.up() : blockposition.down())); } else if (data.getBlock() instanceof BlockTrapdoor) { this.player.connection.sendPacket(new PacketPlayOutBlockChange(this.level, blockposition)); } } else if (!iblockdata.isAir()) { iblockdata.attack(this.level, blockposition, this.player); f = iblockdata.getDamage(this.player, this.player.level, blockposition); } if (event.useItemInHand() == Event.Result.DENY) { // If we 'insta destroyed' then the client needs to be informed. if (f > 1.0f) { this.player.connection.sendPacket(new PacketPlayOutBlockChange(this.level, blockposition)); } return; } org.bukkit.event.block.BlockDamageEvent blockEvent = CraftEventFactory.callBlockDamageEvent(this.player, blockposition.getX(), blockposition.getY(), blockposition.getZ(), this.player.getInventory().getItemInHand(), f >= 1.0f); if (blockEvent.isCancelled()) { // Let the client know the block still exists this.player.connection.sendPacket(new PacketPlayOutBlockChange(this.level, blockposition)); return; } if (blockEvent.getInstaBreak()) { f = 2.0f; } // CraftBukkit end if (!iblockdata.isAir() && f >= 1.0F) { this.a(blockposition, packetplayinblockdig_enumplayerdigtype, "insta mine"); } else { if (this.isDestroyingBlock) { this.player.connection.sendPacket(new PacketPlayOutBlockBreak(this.destroyPos, this.level.getType(this.destroyPos), PacketPlayInBlockDig.EnumPlayerDigType.START_DESTROY_BLOCK, false, "abort destroying since another started (client insta mine, server disagreed)")); } this.isDestroyingBlock = true; this.destroyPos = blockposition.immutableCopy(); int j = (int) (f * 10.0F); this.level.a(this.player.getId(), blockposition, j); this.player.connection.sendPacket(new PacketPlayOutBlockBreak(blockposition, this.level.getType(blockposition), packetplayinblockdig_enumplayerdigtype, true, "actual start of destroying")); this.lastSentState = j; } } else if (packetplayinblockdig_enumplayerdigtype == PacketPlayInBlockDig.EnumPlayerDigType.STOP_DESTROY_BLOCK) { if (blockposition.equals(this.destroyPos)) { int k = this.gameTicks - this.destroyProgressStart; iblockdata = this.level.getType(blockposition); if (!iblockdata.isAir()) { float f1 = iblockdata.getDamage(this.player, this.player.level, blockposition) * (float) (k + 1); if (f1 >= 0.7F) { this.isDestroyingBlock = false; this.level.a(this.player.getId(), blockposition, -1); this.a(blockposition, packetplayinblockdig_enumplayerdigtype, "destroyed"); return; } if (!this.hasDelayedDestroy) { this.isDestroyingBlock = false; this.hasDelayedDestroy = true; this.delayedDestroyPos = blockposition; this.delayedTickStart = this.destroyProgressStart; } } } this.player.connection.sendPacket(new PacketPlayOutBlockBreak(blockposition, this.level.getType(blockposition), packetplayinblockdig_enumplayerdigtype, true, "stopped destroying")); } else if (packetplayinblockdig_enumplayerdigtype == PacketPlayInBlockDig.EnumPlayerDigType.ABORT_DESTROY_BLOCK) { this.isDestroyingBlock = false; if (!Objects.equals(this.destroyPos, blockposition)) { PlayerInteractManager.LOGGER.debug("Mismatch in destroy block pos: {} {}", this.destroyPos, blockposition); // CraftBukkit - SPIGOT-5457 sent by client when interact event cancelled this.level.a(this.player.getId(), this.destroyPos, -1); this.player.connection.sendPacket(new PacketPlayOutBlockBreak(this.destroyPos, this.level.getType(this.destroyPos), packetplayinblockdig_enumplayerdigtype, true, "aborted mismatched destroying")); } this.level.a(this.player.getId(), blockposition, -1); this.player.connection.sendPacket(new PacketPlayOutBlockBreak(blockposition, this.level.getType(blockposition), packetplayinblockdig_enumplayerdigtype, true, "aborted destroying")); } } } public void a(BlockPosition blockposition, PacketPlayInBlockDig.EnumPlayerDigType packetplayinblockdig_enumplayerdigtype, String s) { if (this.breakBlock(blockposition)) { this.player.connection.sendPacket(new PacketPlayOutBlockBreak(blockposition, this.level.getType(blockposition), packetplayinblockdig_enumplayerdigtype, true, s)); } else { this.player.connection.sendPacket(new PacketPlayOutBlockChange(this.level, blockposition)); // CraftBukkit - SPIGOT-5196 } } public boolean breakBlock(BlockPosition blockposition) { IBlockData iblockdata = this.level.getType(blockposition); // CraftBukkit start - fire BlockBreakEvent org.bukkit.block.Block bblock = CraftBlock.at(level, blockposition); BlockBreakEvent event = null; if (this.player instanceof EntityPlayer) { // Sword + Creative mode pre-cancel boolean isSwordNoBreak = !this.player.getItemInMainHand().getItem().a(iblockdata, this.level, blockposition, (EntityHuman) this.player); // 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 (level.getTileEntity(blockposition) == null && !isSwordNoBreak) { PacketPlayOutBlockChange packet = new PacketPlayOutBlockChange(blockposition, Blocks.AIR.getBlockData()); this.player.connection.sendPacket(packet); } event = new BlockBreakEvent(bblock, this.player.getBukkitEntity()); // Sword + Creative mode pre-cancel event.setCancelled(isSwordNoBreak); // Calculate default block experience IBlockData nmsData = this.level.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())) { event.setExpToDrop(nmsBlock.getExpDrop(nmsData, this.level, blockposition, itemstack)); } this.level.getCraftServer().getPluginManager().callEvent(event); if (event.isCancelled()) { if (isSwordNoBreak) { return false; } // Let the client know the block still exists this.player.connection.sendPacket(new PacketPlayOutBlockChange(this.level, blockposition)); // Brute force all possible updates for (EnumDirection dir : EnumDirection.values()) { this.player.connection.sendPacket(new PacketPlayOutBlockChange(level, blockposition.shift(dir))); } // Update any tile entity data for this block TileEntity tileentity = this.level.getTileEntity(blockposition); if (tileentity != null) { this.player.connection.sendPacket(tileentity.getUpdatePacket()); } return false; } } // CraftBukkit end if (false && !this.player.getItemInMainHand().getItem().a(iblockdata, (World) this.level, blockposition, (EntityHuman) this.player)) { // CraftBukkit - false return false; } else { iblockdata = this.level.getType(blockposition); // CraftBukkit - update state from plugins if (iblockdata.isAir()) return false; // CraftBukkit - A plugin set block to air without cancelling TileEntity tileentity = this.level.getTileEntity(blockposition); Block block = iblockdata.getBlock(); if (block instanceof GameMasterBlock && !this.player.isCreativeAndOp()) { this.level.notify(blockposition, iblockdata, iblockdata, 3); return false; } else if (this.player.a((World) this.level, blockposition, this.gameModeForPlayer)) { return false; } else { // CraftBukkit start org.bukkit.block.BlockState state = bblock.getState(); level.captureDrops = new ArrayList<>(); // CraftBukkit end block.a((World) this.level, blockposition, iblockdata, (EntityHuman) this.player); boolean flag = this.level.a(blockposition, false); if (flag) { block.postBreak(this.level, blockposition, iblockdata); } if (this.isCreative()) { // return true; // CraftBukkit } else { ItemStack itemstack = this.player.getItemInMainHand(); ItemStack itemstack1 = itemstack.cloneItemStack(); boolean flag1 = this.player.hasBlock(iblockdata); itemstack.a(this.level, iblockdata, blockposition, this.player); if (flag && flag1 && event.isDropItems()) { // CraftBukkit - Check if block should drop items block.a(this.level, this.player, blockposition, iblockdata, tileentity, itemstack1); } // return true; // CraftBukkit } // CraftBukkit start if (event.isDropItems()) { org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockDropItemEvent(bblock, state, this.player, level.captureDrops); } level.captureDrops = null; // Drop event experience if (flag && event != null) { iblockdata.getBlock().dropExperience(this.level, blockposition, event.getExpToDrop()); } return true; // CraftBukkit end } } } public EnumInteractionResult a(EntityPlayer entityplayer, World world, ItemStack itemstack, EnumHand enumhand) { if (this.gameModeForPlayer == EnumGamemode.SPECTATOR) { return EnumInteractionResult.PASS; } else if (entityplayer.getCooldownTracker().hasCooldown(itemstack.getItem())) { return EnumInteractionResult.PASS; } else { int i = itemstack.getCount(); int j = itemstack.getDamage(); InteractionResultWrapper interactionresultwrapper = itemstack.a(world, (EntityHuman) entityplayer, enumhand); ItemStack itemstack1 = (ItemStack) interactionresultwrapper.b(); if (itemstack1 == itemstack && itemstack1.getCount() == i && itemstack1.o() <= 0 && itemstack1.getDamage() == j) { return interactionresultwrapper.a(); } else if (interactionresultwrapper.a() == EnumInteractionResult.FAIL && itemstack1.o() > 0 && !entityplayer.isHandRaised()) { return interactionresultwrapper.a(); } else { entityplayer.a(enumhand, itemstack1); if (this.isCreative()) { itemstack1.setCount(i); if (itemstack1.f() && itemstack1.getDamage() != j) { itemstack1.setDamage(j); } } if (itemstack1.isEmpty()) { entityplayer.a(enumhand, ItemStack.EMPTY); } if (!entityplayer.isHandRaised()) { entityplayer.inventoryMenu.updateInventory(); } return interactionresultwrapper.a(); } } } // CraftBukkit start - whole method public boolean interactResult = false; public boolean firedInteract = false; public BlockPosition interactPosition; public EnumHand interactHand; public ItemStack interactItemStack; public EnumInteractionResult a(EntityPlayer entityplayer, World world, ItemStack itemstack, EnumHand enumhand, MovingObjectPositionBlock movingobjectpositionblock) { BlockPosition blockposition = movingobjectpositionblock.getBlockPosition(); IBlockData iblockdata = world.getType(blockposition); EnumInteractionResult enuminteractionresult = EnumInteractionResult.PASS; boolean cancelledBlock = false; if (this.gameModeForPlayer == EnumGamemode.SPECTATOR) { ITileInventory itileinventory = iblockdata.b(world, blockposition); cancelledBlock = !(itileinventory instanceof ITileInventory); } if (entityplayer.getCooldownTracker().hasCooldown(itemstack.getItem())) { cancelledBlock = true; } PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(entityplayer, Action.RIGHT_CLICK_BLOCK, blockposition, movingobjectpositionblock.getDirection(), itemstack, cancelledBlock, enumhand); firedInteract = true; interactResult = event.useItemInHand() == Event.Result.DENY; interactPosition = blockposition.immutableCopy(); interactHand = enumhand; interactItemStack = itemstack.cloneItemStack(); 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 (iblockdata.getBlock() instanceof BlockDoor) { boolean bottom = iblockdata.get(BlockDoor.HALF) == BlockPropertyDoubleBlockHalf.LOWER; entityplayer.connection.sendPacket(new PacketPlayOutBlockChange(world, bottom ? blockposition.up() : blockposition.down())); } else if (iblockdata.getBlock() instanceof BlockCake) { entityplayer.getBukkitEntity().sendHealthUpdate(); // SPIGOT-1341 - reset health for cake } else if (interactItemStack.getItem() instanceof ItemBisected) { // send a correcting update to the client, as it already placed the upper half of the bisected item entityplayer.connection.sendPacket(new PacketPlayOutBlockChange(world, blockposition.shift(movingobjectpositionblock.getDirection()).up())); // send a correcting update to the client for the block above as well, this because of replaceable blocks (such as grass, sea grass etc) entityplayer.connection.sendPacket(new PacketPlayOutBlockChange(world, blockposition.up())); } entityplayer.getBukkitEntity().updateInventory(); // SPIGOT-2867 enuminteractionresult = (event.useItemInHand() != Event.Result.ALLOW) ? EnumInteractionResult.SUCCESS : EnumInteractionResult.PASS; } else if (this.gameModeForPlayer == EnumGamemode.SPECTATOR) { ITileInventory itileinventory = iblockdata.b(world, blockposition); if (itileinventory != null) { entityplayer.openContainer(itileinventory); return EnumInteractionResult.SUCCESS; } else { return EnumInteractionResult.PASS; } } else { boolean flag = !entityplayer.getItemInMainHand().isEmpty() || !entityplayer.getItemInOffHand().isEmpty(); boolean flag1 = entityplayer.eZ() && flag; ItemStack itemstack1 = itemstack.cloneItemStack(); if (!flag1) { enuminteractionresult = iblockdata.interact(world, entityplayer, enumhand, movingobjectpositionblock); if (enuminteractionresult.a()) { CriterionTriggers.ITEM_USED_ON_BLOCK.a(entityplayer, blockposition, itemstack1); return enuminteractionresult; } } if (!itemstack.isEmpty() && enuminteractionresult != EnumInteractionResult.SUCCESS && !interactResult) { // add !interactResult SPIGOT-764 ItemActionContext itemactioncontext = new ItemActionContext(entityplayer, enumhand, movingobjectpositionblock); EnumInteractionResult enuminteractionresult1; if (this.isCreative()) { int i = itemstack.getCount(); enuminteractionresult1 = itemstack.placeItem(itemactioncontext, enumhand); itemstack.setCount(i); } else { enuminteractionresult1 = itemstack.placeItem(itemactioncontext, enumhand); } if (enuminteractionresult1.a()) { CriterionTriggers.ITEM_USED_ON_BLOCK.a(entityplayer, blockposition, itemstack1); } return enuminteractionresult1; } } return enuminteractionresult; // CraftBukkit end } public void a(WorldServer worldserver) { this.level = worldserver; } }