From e48549fad9ec1b3e24e92b4ffc9f434552828f90 Mon Sep 17 00:00:00 2001 From: Gabriele C <sgdc3.mail@gmail.com> Date: Mon, 22 Oct 2018 17:34:10 +0200 Subject: [PATCH] Add option to prevent players from moving into unloaded chunks #1551 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java index 63f313a92..2299860b8 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -429,4 +429,9 @@ public class PaperWorldConfig { this.armorStandTick = this.getBoolean("armor-stands-tick", this.armorStandTick); log("ArmorStand ticking is " + (this.armorStandTick ? "enabled" : "disabled") + " by default"); } + + public boolean preventMovingIntoUnloadedChunks = false; + private void preventMovingIntoUnloadedChunks() { + preventMovingIntoUnloadedChunks = getBoolean("prevent-moving-into-unloaded-chunks", false); + } } diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java index a814d8cae..b0fd4d800 100644 --- a/src/main/java/net/minecraft/server/PlayerConnection.java +++ b/src/main/java/net/minecraft/server/PlayerConnection.java @@ -348,6 +348,13 @@ public class PlayerConnection implements PacketListenerPlayIn { } speed *= 2f; // TODO: Get the speed of the vehicle instead of the player + // Paper start - Prevent moving into unloaded chunks + if (player.world.paperConfig.preventMovingIntoUnloadedChunks && worldserver.getChunkIfLoadedImmediately((int) Math.floor(packetplayinvehiclemove.getX()) >> 4, (int) Math.floor(packetplayinvehiclemove.getZ()) >> 4) == null) { + this.networkManager.sendPacket(new PacketPlayOutVehicleMove(entity)); + return; + } + // Paper end + if (d10 - d9 > Math.max(100.0D, Math.pow((double) (org.spigotmc.SpigotConfig.movedTooQuicklyMultiplier * (float) i * speed), 2)) && !this.isExemptPlayer()) { // CraftBukkit end PlayerConnection.LOGGER.warn("{} (vehicle of {}) moved too quickly! {},{},{}", entity.getDisplayName().getString(), this.player.getDisplayName().getString(), d6, d7, d8); @@ -892,9 +899,9 @@ public class PlayerConnection implements PacketListenerPlayIn { double d1 = this.player.locY; double d2 = this.player.locZ; double d3 = this.player.locY; - double d4 = packetplayinflying.a(this.player.locX); + double d4 = packetplayinflying.a(this.player.locX);double toX = d4; // Paper - OBFHELPER double d5 = packetplayinflying.b(this.player.locY); - double d6 = packetplayinflying.c(this.player.locZ); + double d6 = packetplayinflying.c(this.player.locZ);double toZ = d6; // Paper - OBFHELPER float f = packetplayinflying.a(this.player.yaw); float f1 = packetplayinflying.b(this.player.pitch); double d7 = d4 - this.l; @@ -933,6 +940,12 @@ public class PlayerConnection implements PacketListenerPlayIn { } else { speed = player.abilities.walkSpeed * 10f; } + // Paper start - Prevent moving into unloaded chunks + if (player.world.paperConfig.preventMovingIntoUnloadedChunks && (this.player.locX != toX || this.player.locZ != toZ) && !worldserver.isChunkLoaded((int) Math.floor(toX) >> 4, (int) Math.floor(toZ) >> 4)) { + this.internalTeleport(this.player.locX, this.player.locY, this.player.locZ, this.player.yaw, this.player.pitch, Collections.emptySet()); + return; + } + // Paper end if (!this.player.H() && (!this.player.getWorldServer().getGameRules().getBoolean(GameRules.DISABLE_ELYTRA_MOVEMENT_CHECK) || !this.player.isGliding())) { float f2 = this.player.isGliding() ? 300.0F : 100.0F; -- 2.22.0