public void a(Packet7UseEntity packet7useentity) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end WorldServer worldserver = this.minecraftServer.a(this.player.dimension); Entity entity = worldserver.getEntity(packet7useentity.target); if (entity != null && this.player.e(entity) && this.player.g(entity) < 36.0D) { if (packet7useentity.c == 0) { // CraftBukkit start PlayerInteractEntityEvent piee = new PlayerInteractEntityEvent((Player) getPlayer(), entity.getBukkitEntity()); server.getPluginManager().callEvent(piee); if (piee.isCancelled()) { return; } // CraftBukkit end this.player.c(entity); } else if (packet7useentity.c == 1) { this.player.d(entity); } } }
public void a(Packet15Place packet15place) { WorldServer worldserver = this.minecraftServer.a(this.player.dimension); // CraftBukkit start if (this.player.dead) { return; } // This is b horrible hack needed because the client sends 2 packets on 'right mouse click' // aimed at b block. We shouldn't need to get the second packet if the data is handled // but we cannot know what the client will do, so we might still get it // // If the time between packets is small enough, and the 'signature' similar, we discard the // second one. This sadly has to remain until Mojang makes their packets saner. :( // -- Grum if (packet15place.face == 255) { if (packet15place.itemstack != null && packet15place.itemstack.id == lastMaterial && lastPacket != null && packet15place.timestamp - lastPacket < 100) { lastPacket = null; return; } } else { lastMaterial = packet15place.itemstack == null ? -1 : packet15place.itemstack.id; lastPacket = packet15place.timestamp; } // CraftBukkit - if rightclick decremented the item, always send the update packet. // this is not here for CraftBukkit's own functionality; rather it is to fix // b notch bug where the item doesn't update correctly. boolean always = false; // CraftBukkit end ItemStack itemstack = this.player.inventory.getItemInHand(); boolean flag = worldserver.weirdIsOpCache = worldserver.worldProvider.dimension != 0 || this.minecraftServer.serverConfigurationManager.isOp(this.player.name); if (packet15place.face == 255) { if (itemstack == null) { return; } // CraftBukkit start int itemstackAmount = itemstack.count; PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.player, Action.RIGHT_CLICK_AIR, itemstack); if (event.useItemInHand() != Event.Result.DENY) { this.player.itemInWorldManager.useItem(this.player, this.player.world, itemstack); } // CraftBukkit - notch decrements the counter by 1 in the above method with food, // snowballs and so forth, but he does it in b place that doesn't cause the // inventory update packet to get sent always = (itemstack.count != itemstackAmount); // CraftBukkit end } else { int i = packet15place.a; int j = packet15place.b; int k = packet15place.c; int l = packet15place.face; ChunkCoordinates chunkcoordinates = worldserver.getSpawn(); int i1 = (int) MathHelper.abs((float) (i - chunkcoordinates.x)); int j1 = (int) MathHelper.abs((float) (k - chunkcoordinates.z)); if (i1 > j1) { j1 = i1; } // CraftBukkit start - Check if we can actually do something over this large a distance Location eyeLoc = getPlayer().getEyeLocation(); if (Math.pow(eyeLoc.getX() - i, 2) + Math.pow(eyeLoc.getY() - j, 2) + Math.pow(eyeLoc.getZ() - k, 2) > PLACE_DISTANCE_SQUARED) { return; } flag = true; // spawn protection moved to ItemBlock!!! // CraftBukkit end if (j1 > 16 || flag) { this.player.itemInWorldManager.interact(this.player, worldserver, itemstack, i, j, k, l); } this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver)); if (l == 0) { --j; } if (l == 1) { ++j; } if (l == 2) { --k; } if (l == 3) { ++k; } if (l == 4) { --i; } if (l == 5) { ++i; } this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver)); } itemstack = this.player.inventory.getItemInHand(); if (itemstack != null && itemstack.count == 0) { this.player.inventory.items[this.player.inventory.itemInHandIndex] = null; } this.player.h = true; this.player.inventory.items[this.player.inventory.itemInHandIndex] = ItemStack.b(this.player.inventory.items[this.player.inventory.itemInHandIndex]); Slot slot = this.player.activeContainer.a(this.player.inventory, this.player.inventory.itemInHandIndex); this.player.activeContainer.a(); this.player.h = false; // CraftBukkit if (!ItemStack.equals(this.player.inventory.getItemInHand(), packet15place.itemstack) || always) { this.sendPacket( new Packet103SetSlot( this.player.activeContainer.f, slot.a, this.player.inventory.getItemInHand())); } worldserver.weirdIsOpCache = false; }
public void a(Packet10Flying packet10flying) { WorldServer worldserver = this.minecraftServer.a(this.player.dimension); this.i = true; double d0; if (!this.m) { d0 = packet10flying.y - this.y; if (packet10flying.x == this.x && d0 * d0 < 0.01D && packet10flying.z == this.z) { this.m = true; } } // CraftBukkit start Player player = getPlayer(); Location from = new Location(player.getWorld(), lastPosX, lastPosY, lastPosZ, lastYaw, lastPitch); Location to = player.getLocation(); // Prevent 40 event-calls for less than b single pixel of movement >.> double delta = Math.pow(this.lastPosX - this.x, 2) + Math.pow(this.lastPosY - this.y, 2) + Math.pow(this.lastPosZ - this.z, 2); float deltaAngle = Math.abs(this.lastYaw - this.player.yaw) + Math.abs(this.lastPitch - this.player.pitch); if (delta > 1f / 256 || deltaAngle > 10f) { // Skip the first time we do this if (lastPosX != Double.MAX_VALUE) { PlayerMoveEvent event = new PlayerMoveEvent(player, from, to); server.getPluginManager().callEvent(event); from = event.getFrom(); to = event.isCancelled() ? from : event.getTo(); this.player.locX = to.getX(); this.player.locY = to.getY(); this.player.locZ = to.getZ(); this.player.yaw = to.getYaw(); this.player.pitch = to.getPitch(); } this.lastPosX = this.player.locX; this.lastPosY = this.player.locY; this.lastPosZ = this.player.locZ; this.lastYaw = this.player.yaw; this.lastPitch = this.player.pitch; } if (Math.abs(packet10flying.x) > 32000000 || Math.abs(packet10flying.z) > 32000000) { player.teleport(player.getWorld().getSpawnLocation()); System.err.println( player.getName() + " was caught trying to crash the server with an invalid position."); player.kickPlayer("Nope!"); return; } if (Double.isNaN(packet10flying.x) || packet10flying.x == Double.POSITIVE_INFINITY || packet10flying.x == Double.NEGATIVE_INFINITY) { player.teleport(player.getWorld().getSpawnLocation()); System.err.println(player.getName() + " was caught trying to set an invalid position."); player.kickPlayer("Nope!"); return; } if (Double.isNaN(packet10flying.y) || packet10flying.y == Double.POSITIVE_INFINITY || packet10flying.y == Double.NEGATIVE_INFINITY) { player.teleport(player.getWorld().getSpawnLocation()); System.err.println(player.getName() + " was caught trying to set an invalid position."); player.kickPlayer("Nope!"); return; } if (Double.isNaN(packet10flying.z) || packet10flying.z == Double.POSITIVE_INFINITY || packet10flying.z == Double.NEGATIVE_INFINITY) { player.teleport(player.getWorld().getSpawnLocation()); System.err.println(player.getName() + " was caught trying to set an invalid position."); player.kickPlayer("Nope!"); return; } if (Double.isNaN(packet10flying.stance) || packet10flying.stance == Double.POSITIVE_INFINITY || packet10flying.stance == Double.NEGATIVE_INFINITY) { player.teleport(player.getWorld().getSpawnLocation()); System.err.println(player.getName() + " was caught trying to set an invalid position."); player.kickPlayer("Nope!"); return; } if (this.m && !this.player.dead) { // CraftBukkit end double d1; double d2; double d3; double d4; if (this.player.vehicle != null) { float f = this.player.yaw; float f1 = this.player.pitch; this.player.vehicle.f(); d1 = this.player.locX; d2 = this.player.locY; d3 = this.player.locZ; double d5 = 0.0D; d4 = 0.0D; if (packet10flying.hasLook) { f = packet10flying.yaw; f1 = packet10flying.pitch; } if (packet10flying.h && packet10flying.y == -999.0D && packet10flying.stance == -999.0D) { d5 = packet10flying.x; d4 = packet10flying.z; } this.player.onGround = packet10flying.g; this.player = this.player.a(true); // CraftBukkit this.player.move(d5, 0.0D, d4); this.player.setLocation(d1, d2, d3, f, f1); this.player.motX = d5; this.player.motZ = d4; if (this.player.vehicle != null) { worldserver.vehicleEnteredWorld(this.player.vehicle, true); } if (this.player.vehicle != null) { this.player.vehicle.f(); } this.minecraftServer.serverConfigurationManager.d(this.player); this.x = this.player.locX; this.y = this.player.locY; this.z = this.player.locZ; worldserver.playerJoinedWorld(this.player); return; } d0 = this.player.locY; this.x = this.player.locX; this.y = this.player.locY; this.z = this.player.locZ; d1 = this.player.locX; d2 = this.player.locY; d3 = this.player.locZ; float f2 = this.player.yaw; float f3 = this.player.pitch; if (packet10flying.h && packet10flying.y == -999.0D && packet10flying.stance == -999.0D) { packet10flying.h = false; } if (packet10flying.h) { d1 = packet10flying.x; d2 = packet10flying.y; d3 = packet10flying.z; d4 = packet10flying.stance - packet10flying.y; if (!this.player.isSleeping() && (d4 > 1.65D || d4 < 0.1D)) { this.disconnect("Illegal stance"); a.warning(this.player.name + " had an illegal stance: " + d4); return; } if (Math.abs(packet10flying.x) > 3.2E7D || Math.abs(packet10flying.z) > 3.2E7D) { this.disconnect("Illegal position"); return; } } if (packet10flying.hasLook) { f2 = packet10flying.yaw; f3 = packet10flying.pitch; } this.player.a(true); this.player.br = 0.0F; this.player.setLocation(this.x, this.y, this.z, f2, f3); if (!this.m) { return; } d4 = d1 - this.player.locX; double d6 = d2 - this.player.locY; double d7 = d3 - this.player.locZ; double d8 = d4 * d4 + d6 * d6 + d7 * d7; // CraftBukkit start - make the movement speed check behave properly under tick degradation. int elapsedTicks = MinecraftServer.currentTick - this.lastTick; // Added this.m condition to solve this check being triggered by teleports if (d8 > 100.0D * (elapsedTicks <= 0 ? 1 : elapsedTicks) && this.m) { a.warning( this.player.name + " moved too quickly! Elapsed ticks: " + (elapsedTicks == 0 ? 1 : elapsedTicks) + ", Distance change: " + d8); this.disconnect("You moved too quickly :( (Hacking?)"); return; } this.lastTick = MinecraftServer.currentTick; // CraftBukkit end float f4 = 0.0625F; boolean flag = worldserver .getEntities( this.player, this.player.boundingBox.clone().shrink((double) f4, (double) f4, (double) f4)) .size() == 0; this.player.move(d4, d6, d7); d4 = d1 - this.player.locX; d6 = d2 - this.player.locY; if (d6 > -0.5D || d6 < 0.5D) { d6 = 0.0D; } d7 = d3 - this.player.locZ; d8 = d4 * d4 + d6 * d6 + d7 * d7; boolean flag1 = false; if (d8 > 0.0625D && !this.player.isSleeping()) { flag1 = true; a.warning(this.player.name + " moved wrongly!"); System.out.println("Got position " + d1 + ", " + d2 + ", " + d3); System.out.println( "Expected " + this.player.locX + ", " + this.player.locY + ", " + this.player.locZ); } this.player.setLocation(d1, d2, d3, f2, f3); boolean flag2 = worldserver .getEntities( this.player, this.player.boundingBox.clone().shrink((double) f4, (double) f4, (double) f4)) .size() == 0; if (flag && (flag1 || !flag2) && !this.player.isSleeping()) { this.a(this.x, this.y, this.z, f2, f3); return; } AxisAlignedBB axisalignedbb = this.player .boundingBox .clone() .b((double) f4, (double) f4, (double) f4) .a(0.0D, -0.55D, 0.0D); if (!this.minecraftServer.o && !worldserver.b(axisalignedbb)) { if (d6 >= -0.03125D) { ++this.h; if (this.h > 80) { a.warning(this.player.name + " was kicked for floating too long!"); this.disconnect("Flying is not enabled on this server"); return; } } } else { this.h = 0; } this.player.onGround = packet10flying.g; this.minecraftServer.serverConfigurationManager.d(this.player); this.player.b(this.player.locY - d0, packet10flying.g); } }
public void a(Packet14BlockDig packet14blockdig) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end WorldServer worldserver = this.minecraftServer.a(this.player.dimension); if (packet14blockdig.e == 4) { this.player.E(); } else { boolean flag = worldserver.weirdIsOpCache = worldserver.worldProvider.dimension != 0 || this.minecraftServer.serverConfigurationManager.isOp(this.player.name); boolean flag1 = false; if (packet14blockdig.e == 0) { flag1 = true; } if (packet14blockdig.e == 2) { flag1 = true; } int i = packet14blockdig.a; int j = packet14blockdig.b; int k = packet14blockdig.c; if (flag1) { double d0 = this.player.locX - ((double) i + 0.5D); double d1 = this.player.locY - ((double) j + 0.5D); double d2 = this.player.locZ - ((double) k + 0.5D); double d3 = d0 * d0 + d1 * d1 + d2 * d2; if (d3 > 36.0D) { return; } } ChunkCoordinates chunkcoordinates = worldserver.getSpawn(); int l = (int) MathHelper.abs((float) (i - chunkcoordinates.x)); int i1 = (int) MathHelper.abs((float) (k - chunkcoordinates.z)); if (l > i1) { i1 = l; } if (packet14blockdig.e == 0) { // CraftBukkit if (i1 < this.minecraftServer.spawnProtection && !flag) { this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver)); } else { // CraftBukkit - add face argument this.player.itemInWorldManager.dig(i, j, k, packet14blockdig.face); } } else if (packet14blockdig.e == 2) { this.player.itemInWorldManager.a(i, j, k); if (worldserver.getTypeId(i, j, k) != 0) { this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver)); } } else if (packet14blockdig.e == 3) { double d4 = this.player.locX - ((double) i + 0.5D); double d5 = this.player.locY - ((double) j + 0.5D); double d6 = this.player.locZ - ((double) k + 0.5D); double d7 = d4 * d4 + d5 * d5 + d6 * d6; if (d7 < 256.0D) { this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver)); } } worldserver.weirdIsOpCache = false; } }
public void a(Packet130UpdateSign packet130updatesign) { // CraftBukkit start if (this.player.dead) { return; } // CraftBukkit end // WorldServer worldserver = this.minecraftServer.a(this.player.dimension); if (worldserver.isLoaded(packet130updatesign.x, packet130updatesign.y, packet130updatesign.z)) { TileEntity tileentity = worldserver.getTileEntity( packet130updatesign.x, packet130updatesign.y, packet130updatesign.z); if (tileentity instanceof TileEntitySign) { TileEntitySign tileentitysign = (TileEntitySign) tileentity; if (!tileentitysign.a()) { this.minecraftServer.c( "Player " + this.player.name + " just tried to change non-editable sign"); // CraftBukkit this.sendPacket( new Packet130UpdateSign( packet130updatesign.x, packet130updatesign.y, packet130updatesign.z, tileentitysign.lines)); return; } } int i; int j; for (j = 0; j < 4; ++j) { boolean flag = true; if (packet130updatesign.lines[j].length() > 15) { flag = false; } else { for (i = 0; i < packet130updatesign.lines[j].length(); ++i) { if (FontAllowedCharacters.a.indexOf(packet130updatesign.lines[j].charAt(i)) < 0) { flag = false; } } } if (!flag) { packet130updatesign.lines[j] = "!?"; } } if (tileentity instanceof TileEntitySign) { j = packet130updatesign.x; int k = packet130updatesign.y; i = packet130updatesign.z; TileEntitySign tileentitysign1 = (TileEntitySign) tileentity; // CraftBukkit start Player player = server.getPlayer(this.player); SignChangeEvent event = new SignChangeEvent( (CraftBlock) player.getWorld().getBlockAt(j, k, i), server.getPlayer(this.player), packet130updatesign.lines); server.getPluginManager().callEvent(event); if (!event.isCancelled()) { for (int l = 0; l < 4; ++l) { tileentitysign1.lines[l] = event.getLine(l); } tileentitysign1.setEditable(false); } // CraftBukkit end tileentitysign1.update(); worldserver.notify(j, k, i); } } }