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-rw-r--r--patches/server/0366-Use-seed-based-lookup-for-Treasure-Maps-Fixes-lag-fr.patch20
1 files changed, 20 insertions, 0 deletions
diff --git a/patches/server/0366-Use-seed-based-lookup-for-Treasure-Maps-Fixes-lag-fr.patch b/patches/server/0366-Use-seed-based-lookup-for-Treasure-Maps-Fixes-lag-fr.patch
new file mode 100644
index 0000000000..27672e59d7
--- /dev/null
+++ b/patches/server/0366-Use-seed-based-lookup-for-Treasure-Maps-Fixes-lag-fr.patch
@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <[email protected]>
+Date: Sun, 7 Jun 2020 19:25:13 -0400
+Subject: [PATCH] Use seed based lookup for Treasure Maps - Fixes lag from
+ carto/sunken maps
+
+
+diff --git a/src/main/java/net/minecraft/world/item/MapItem.java b/src/main/java/net/minecraft/world/item/MapItem.java
+index 36de7c63370c529579d31ba1d77ec12b754ef313..ce461b1a8d7fab87ae28e30205f6fab67f1808b6 100644
+--- a/src/main/java/net/minecraft/world/item/MapItem.java
++++ b/src/main/java/net/minecraft/world/item/MapItem.java
+@@ -206,7 +206,7 @@ public class MapItem extends ComplexItem {
+
+ for (int n = 0; n < 128; n++) {
+ for (int o = 0; o < 128; o++) {
+- Holder<Biome> holder = world.getBiome(mutableBlockPos.set((l + o) * i, 0, (m + n) * i));
++ Holder<Biome> holder = world.getUncachedNoiseBiome((l + o) * i, 0, (m + n) * i); // Paper - Perf: Use seed based lookup for treasure maps
+ bls[n * 128 + o] = holder.is(BiomeTags.WATER_ON_MAP_OUTLINES);
+ }
+ }