Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-15 12:30:06 +01:00
3c0d6aaed9
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 0c7aedbc SPIGOT-7554, PR-954: Add DecoratedPotInventory CraftBukkit Changes: 53ebb05e3 SPIGOT-7554, PR-1323: Add DecoratedPotInventory 33a2d8773 Ensure that PlayerMoveEvent is always fired where applicable 7df18510f SPIGOT-7555: Don't cast ItemFlags to byte 19aec59ea Use provided case for non-existent OfflinePlayers Spigot Changes: e7ce55a3 Remove obsolete PlayerMoveEvent improvements 3e5e22c0 Remove obsolete lowercasing of non existent OfflinePlayer names
92 Zeilen
6.3 KiB
Diff
92 Zeilen
6.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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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/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 0d4e641187b305c4b56782b4c70bca39efcaa69c..5ee4d04f9770672f451b8a87b65075432203e310 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -473,9 +473,9 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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float prevYaw = this.player.getYRot();
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float prevPitch = this.player.getXRot();
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// CraftBukkit end
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- double d0 = entity.getX();
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- double d1 = entity.getY();
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- double d2 = entity.getZ();
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+ double d0 = entity.getX();final double fromX = d0; // Paper - OBFHELPER
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+ double d1 = entity.getY();final double fromY = d1; // Paper - OBFHELPER
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+ double d2 = entity.getZ();final double fromZ = d2; // Paper - OBFHELPER
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double d3 = ServerGamePacketListenerImpl.clampHorizontal(packet.getX()); final double toX = d3; // Paper - OBFHELPER
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double d4 = ServerGamePacketListenerImpl.clampVertical(packet.getY()); final double toY = d4; // Paper - OBFHELPER
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double d5 = ServerGamePacketListenerImpl.clampHorizontal(packet.getZ()); final double toZ = d5; // Paper - OBFHELPER
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@@ -485,7 +485,19 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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double d7 = d4 - this.vehicleFirstGoodY;
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double d8 = d5 - this.vehicleFirstGoodZ;
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double d9 = entity.getDeltaMovement().lengthSqr();
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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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+
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+ // Paper start - fix large move vectors killing the server
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+ double otherFieldX = d3 - this.vehicleLastGoodX;
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+ double otherFieldY = d4 - this.vehicleLastGoodY - 1.0E-6D;
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+ double otherFieldZ = d5 - this.vehicleLastGoodZ;
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+ d10 = Math.max(d10, (otherFieldX * otherFieldX + otherFieldY * otherFieldY + otherFieldZ * otherFieldZ) - 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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this.allowedPlayerTicks += (System.currentTimeMillis() / 50) - this.lastTick;
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@@ -531,9 +543,9 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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boolean flag = worldserver.noCollision(entity, entity.getBoundingBox().deflate(0.0625D));
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- d6 = d3 - this.vehicleLastGoodX;
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- d7 = d4 - this.vehicleLastGoodY - 1.0E-6D;
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- d8 = d5 - this.vehicleLastGoodZ;
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+ d6 = d3 - this.vehicleLastGoodX; // Paper - diff on change, used for checking large move vectors above
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+ d7 = d4 - this.vehicleLastGoodY - 1.0E-6D; // Paper - diff on change, used for checking large move vectors above
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+ d8 = d5 - this.vehicleLastGoodZ; // Paper - diff on change, used for checking large move vectors above
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boolean flag1 = entity.verticalCollisionBelow;
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if (entity instanceof LivingEntity) {
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@@ -1272,7 +1284,18 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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double d7 = d1 - this.firstGoodY;
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double d8 = d2 - this.firstGoodZ;
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double d9 = this.player.getDeltaMovement().lengthSqr();
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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 - prevX;
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+ double currDeltaY = toY - prevY;
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+ double currDeltaZ = toZ - prevZ;
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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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+ // Paper start - fix large move vectors killing the server
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+ double otherFieldX = d0 - this.lastGoodX;
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+ double otherFieldY = d1 - this.lastGoodY;
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+ double otherFieldZ = d2 - this.lastGoodZ;
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+ d10 = Math.max(d10, (otherFieldX * otherFieldX + otherFieldY * otherFieldY + otherFieldZ * otherFieldZ) - 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 (d10 > 1.0D) {
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@@ -1326,9 +1349,9 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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AABB axisalignedbb = this.player.getBoundingBox();
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- d6 = d0 - this.lastGoodX;
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- d7 = d1 - this.lastGoodY;
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- d8 = d2 - this.lastGoodZ;
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+ d6 = d0 - this.lastGoodX; // Paper - diff on change, used for checking large move vectors above
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+ d7 = d1 - this.lastGoodY; // Paper - diff on change, used for checking large move vectors above
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+ d8 = d2 - this.lastGoodZ; // Paper - diff on change, used for checking large move vectors above
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boolean flag = d7 > 0.0D;
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if (this.player.onGround() && !packet.isOnGround() && flag) {
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