From 0000000000000000000000000000000000000000 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 e57ab8a3e6efd78e12385042b7d91dcd27fef11d..eb44aef0aecf65f5c1b19f42bf85a3a263965a7c 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -431,4 +431,9 @@ public class PaperWorldConfig { waterOverLavaFlowSpeed = getInt("water-over-lava-flow-speed", 5); log("Water over lava flow speed: " + waterOverLavaFlowSpeed); } + + public boolean preventMovingIntoUnloadedChunks = false; + private void preventMovingIntoUnloadedChunks() { + preventMovingIntoUnloadedChunks = getBoolean("prevent-moving-into-unloaded-chunks", false); + } } diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java index 607be2544cc163065dcbb7fedd5709cca2453ea2..99f8c661908d6540b8f0bb08a9fd0f5511c885d1 100644 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java @@ -529,6 +529,13 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser } speed *= 2f; // TODO: Get the speed of the vehicle instead of the player + // Paper start - Prevent moving into unloaded chunks + if (player.level.paperConfig.preventMovingIntoUnloadedChunks && worldserver.getChunkIfLoadedImmediately((int) Math.floor(packet.getX()) >> 4, (int) Math.floor(packet.getZ()) >> 4) == null) { + this.connection.send(new ClientboundMoveVehiclePacket(entity)); + return; + } + // Paper end + if (d10 - d9 > Math.max(100.0D, Math.pow((double) (org.spigotmc.SpigotConfig.movedTooQuicklyMultiplier * (float) i * speed), 2)) && !this.isSingleplayerOwner()) { // CraftBukkit end ServerGamePacketListenerImpl.LOGGER.warn("{} (vehicle of {}) moved too quickly! {},{},{}", entity.getName().getString(), this.player.getName().getString(), d6, d7, d8); @@ -1159,9 +1166,9 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser float prevYaw = this.player.getYRot(); float prevPitch = this.player.getXRot(); // CraftBukkit end - double d3 = this.player.getX(); + double d3 = this.player.getX(); final double toX = d3; // Paper - OBFHELPER double d4 = this.player.getY(); - double d5 = this.player.getZ(); + double d5 = this.player.getZ(); final double toZ = d5; // Paper - OBFHELPER double d6 = this.player.getY(); double d7 = d0 - this.firstGoodX; double d8 = d1 - this.firstGoodY; @@ -1199,6 +1206,12 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser } else { speed = this.player.getAbilities().walkingSpeed * 10f; } + // Paper start - Prevent moving into unloaded chunks + if (player.level.paperConfig.preventMovingIntoUnloadedChunks && (this.player.getX() != toX || this.player.getZ() != toZ) && !worldserver.hasChunk((int) Math.floor(toX) >> 4, (int) Math.floor(toZ) >> 4)) { + this.internalTeleport(this.player.getX(), this.player.getY(), this.player.getZ(), this.player.getYRot(), this.player.getXRot(), Collections.emptySet(), true); + return; + } + // Paper end if (!this.player.isChangingDimension() && (!this.player.getLevel().getGameRules().getBoolean(GameRules.RULE_DISABLE_ELYTRA_MOVEMENT_CHECK) || !this.player.isFallFlying())) { float f2 = this.player.isFallFlying() ? 300.0F : 100.0F;