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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: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
30 lines
1.6 KiB
Diff
30 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: David Slovikosky <davidslovikosky@gmail.com>
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Date: Tue, 9 Jun 2020 00:10:03 -0700
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Subject: [PATCH] Fix missing chunks due to integer overflow
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This patch fixes a bug in the EndIslandDensityFunction class where the distance
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from 0,0 squared overflows the maximum size of an integer. The overflow leads
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to hard chunk borders around 370,000 blocks from 0,0. After this cutoff there
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is a few hundred thousand block gap before end land resuming to generate at
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530,000 blocks from spawn. This is due to the integer flipping back and forth.
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The fix for the issue is quite simple, casting chunk coordinates to longs
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allows the distance calculation to avoid overflow and work as intended.
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This issue is being tracked in Mojira ticket MC-159283
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diff --git a/src/main/java/net/minecraft/world/level/levelgen/DensityFunctions.java b/src/main/java/net/minecraft/world/level/levelgen/DensityFunctions.java
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index 299116c5c4d25c78a2af00bb44c4f51ac04286e8..fac92f37c32e0398ebc05d9a0378446fcabaef1a 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/DensityFunctions.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/DensityFunctions.java
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@@ -502,7 +502,7 @@ public final class DensityFunctions {
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int j = z / 2;
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int k = x % 2;
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int l = z % 2;
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- float f = 100.0F - Mth.sqrt((float)(x * x + z * z)) * 8.0F;
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+ float f = 100.0F - Mth.sqrt((long) x * (long) x + (long) z * (long) z) * 8.0F; // Paper - cast ints to long to avoid integer overflow
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f = Mth.clamp(f, -100.0F, 80.0F);
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for(int m = -12; m <= 12; ++m) {
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