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 c17c504acdc12b6ef37d6643eb98a57fa5ca40c9..13e730b18c346934c061fb570048623ad66e7344 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -390,4 +390,9 @@ 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 912171f8b3280a6c45311104216e04d661daff8a..38a48add445e8dd6888bc5bb22e7bf5482682536 100644 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java @@ -531,6 +531,13 @@ 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); @@ -1155,9 +1162,9 @@ 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; @@ -1195,6 +1202,12 @@ 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;