From 7ac07ac07ac07ac07ac07ac07ac07ac07ac07ac0 Mon Sep 17 00:00:00 2001 From: Gabriele C 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 7ac07ac07ac0..7ac07ac07ac0 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -564,4 +564,9 @@ public class PaperWorldConfig { replacementBlocks = getList("anti-xray.replacement-blocks", Arrays.asList("stone", "planks")); log("Anti-Xray: " + (antiXray ? "enabled" : "disabled") + " / Engine Mode: " + engineMode.getDescription() + " / Chunk Edge Mode: " + chunkEdgeMode.getDescription() + " / Up to " + ((maxChunkSectionIndex + 1) * 16) + " blocks / Update Radius: " + updateRadius); } + + 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 7ac07ac07ac0..7ac07ac07ac0 100644 --- a/src/main/java/net/minecraft/server/PlayerConnection.java +++ b/src/main/java/net/minecraft/server/PlayerConnection.java @@ -342,6 +342,13 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable { } 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.isChunkLoaded((int) Math.floor(packetplayinvehiclemove.getX()) >> 4, (int) Math.floor(packetplayinvehiclemove.getZ()) >> 4, false)) { + 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.minecraftServer.H() || !this.minecraftServer.G().equals(entity.getDisplayName().getString()))) { // CraftBukkit end PlayerConnection.LOGGER.warn("{} (vehicle of {}) moved too quickly! {},{},{}", entity.getDisplayName().getString(), this.player.getDisplayName().getString(), Double.valueOf(d6), Double.valueOf(d7), Double.valueOf(d8)); @@ -851,9 +858,9 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable { 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; @@ -893,6 +900,13 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable { 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, false)) { + 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("disableElytraMovementCheck") || !this.player.dc())) { float f2 = this.player.dc() ? 300.0F : 100.0F; -- 2.19.1