Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-15 04:20:04 +01:00
d8847bc1f3
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: fde5602a PR-927: Add PlayerRecipeBookSettingsChangeEvent 949ff217 PR-930: Add methods to get/set evoker fang attack delay f6f7c79d SPIGOT-7514, PR-929: Add "Enchantment Roll" API to enchant items according to Minecraft mechanics d40e22da PR-712: Add API to get full result of crafting items CraftBukkit Changes: c8feb0629 PR-1291: Improve precondition message in Entity#playEffect 482c56a00 PR-1285: Add PlayerRecipeBookSettingsChangeEvent cdf798800 PR-1290: Add methods to get/set evoker fang attack delay 2c1b5f78f SPIGOT-7514, PR-1289: Add "Enchantment Roll" API to enchant items according to Minecraft mechanics 6aa644ae9 PR-992: Add API to get full result of crafting items ffb1319bc PR-1287: Fix scoreboards not updating in Player#setStatistic
93 Zeilen
6.3 KiB
Diff
93 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 7854073fccf6c3c2eff1acf0e4e6eac0dfcb9919..12f88573544269bc7276ca51d7f31be98bd60654 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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@@ -464,9 +464,9 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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if (entity != this.player && entity.getControllingPassenger() == this.player && entity == this.lastVehicle) {
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ServerLevel worldserver = this.player.serverLevel();
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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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@@ -476,8 +476,19 @@ 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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-
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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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@@ -523,9 +534,9 @@ 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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@@ -1249,7 +1260,18 @@ 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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@@ -1301,9 +1323,9 @@ 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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