67 Zeilen
4.2 KiB
Diff
67 Zeilen
4.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <spottedleaf@spottedleaf.dev>
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Date: Sun, 17 May 2020 23:47:33 -0700
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Subject: [PATCH] Fix for large move vectors crashing server
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Check movement distance also based on current position.
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diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index d622abf1013d500532cc6072e5cbb12248e983c2..563ae7355f4f4645d21f2fbd494a5b5656c5e664 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -369,19 +369,24 @@ public class PlayerConnection implements PacketListenerPlayIn {
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if (entity != this.player && entity.getRidingPassenger() == this.player && entity == this.r) {
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WorldServer worldserver = this.player.getWorldServer();
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- double d0 = entity.locX();
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- double d1 = entity.locY();
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- double d2 = entity.locZ();
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- double d3 = packetplayinvehiclemove.getX();
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- double d4 = packetplayinvehiclemove.getY();
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- double d5 = packetplayinvehiclemove.getZ();
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+ double d0 = entity.locX();double fromX = d0; // Paper - OBFHELPER
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+ double d1 = entity.locY();double fromY = d1; // Paper - OBFHELPER
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+ double d2 = entity.locZ();double fromZ = d2; // Paper - OBFHELPER
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+ double d3 = packetplayinvehiclemove.getX();double toX = d3; // Paper - OBFHELPER
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+ double d4 = packetplayinvehiclemove.getY();double toY = d4; // Paper - OBFHELPER
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+ double d5 = packetplayinvehiclemove.getZ();double toZ = d5; // Paper - OBFHELPER
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float f = packetplayinvehiclemove.getYaw();
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float f1 = packetplayinvehiclemove.getPitch();
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double d6 = d3 - this.s;
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double d7 = d4 - this.t;
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double d8 = d5 - this.u;
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double d9 = entity.getMot().g();
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- double d10 = d6 * d6 + d7 * d7 + d8 * d8;
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+ // Paper start - fix large move vectors killing the server
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+ double currDeltaX = toX - fromX;
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+ double currDeltaY = toY - fromY;
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+ double currDeltaZ = toZ - fromZ;
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+ double d10 = Math.max(d6 * d6 + d7 * d7 + d8 * d8, (currDeltaX * currDeltaX + currDeltaY * currDeltaY + currDeltaZ * currDeltaZ) - 1);
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+ // Paper end - fix large move vectors killing the server
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// CraftBukkit start - handle custom speeds and skipped ticks
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@@ -1073,7 +1078,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
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double d2 = this.player.locZ();
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double d3 = this.player.locY();
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double d4 = packetplayinflying.a(this.player.locX());double toX = d4; // Paper - OBFHELPER
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- double d5 = packetplayinflying.b(this.player.locY());
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+ double d5 = packetplayinflying.b(this.player.locY());double toY = d5; // Paper - OBFHELPER
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double d6 = packetplayinflying.c(this.player.locZ());double toZ = d6; // Paper - OBFHELPER
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float f = packetplayinflying.a(this.player.yaw);
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float f1 = packetplayinflying.b(this.player.pitch);
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@@ -1081,7 +1086,12 @@ public class PlayerConnection implements PacketListenerPlayIn {
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double d8 = d5 - this.m;
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double d9 = d6 - this.n;
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double d10 = this.player.getMot().g();
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- double d11 = d7 * d7 + d8 * d8 + d9 * d9;
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+ // Paper start - fix large move vectors killing the server
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+ double currDeltaX = toX - prevX;
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+ double currDeltaY = toY - prevY;
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+ double currDeltaZ = toZ - prevZ;
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+ double d11 = Math.max(d7 * d7 + d8 * d8 + d9 * d9, (currDeltaX * currDeltaX + currDeltaY * currDeltaY + currDeltaZ * currDeltaZ) - 1);
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+ // Paper end - fix large move vectors killing the server
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if (this.player.isSleeping()) {
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if (d11 > 1.0D) {
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