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-rw-r--r--patches/server/0549-Cache-burn-durations.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/patches/server/0549-Cache-burn-durations.patch b/patches/server/0549-Cache-burn-durations.patch
new file mode 100644
index 0000000000..35387cbe57
--- /dev/null
+++ b/patches/server/0549-Cache-burn-durations.patch
@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: lukas <[email protected]>
+Date: Sun, 27 Dec 2020 16:47:00 +0100
+Subject: [PATCH] Cache burn durations
+
+
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
+index d3a9b42fd4fa487e0acb1c95d57f78ccfbefbdff..1cc2c13ab07b9dc4492cec55314e12d7536d5453 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
+@@ -132,7 +132,13 @@ public abstract class AbstractFurnaceBlockEntity extends BaseContainerBlockEntit
+ this.recipeType = recipeType; // Paper
+ }
+
++ private static Map<Item, Integer> cachedBurnDurations = null; // Paper - cache burn durations
+ public static Map<Item, Integer> getFuel() {
++ // Paper start - cache burn durations
++ if(cachedBurnDurations != null) {
++ return cachedBurnDurations;
++ }
++ // Paper end
+ Map<Item, Integer> map = Maps.newLinkedHashMap();
+
+ AbstractFurnaceBlockEntity.add(map, (ItemLike) Items.LAVA_BUCKET, 20000);
+@@ -200,7 +206,10 @@ public abstract class AbstractFurnaceBlockEntity extends BaseContainerBlockEntit
+ AbstractFurnaceBlockEntity.add(map, (ItemLike) Blocks.AZALEA, 100);
+ AbstractFurnaceBlockEntity.add(map, (ItemLike) Blocks.FLOWERING_AZALEA, 100);
+ AbstractFurnaceBlockEntity.add(map, (ItemLike) Blocks.MANGROVE_ROOTS, 300);
+- return map;
++ // Paper start - cache burn durations
++ cachedBurnDurations = com.google.common.collect.ImmutableMap.copyOf(map);
++ return cachedBurnDurations;
++ // Paper end
+ }
+
+ // CraftBukkit start - add fields and methods