From 04298301c1c4d4cc5bad1fccbef837cf51e6a553 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Wed, 5 Jul 2023 17:43:45 +0800
Subject: [PATCH] Cache ignite odds

---
 ...004-Leaves-Server-Config-And-Command.patch |  9 ++-
 patches/server/0080-Cache-ignite-odds.patch   | 64 +++++++++++++++++++
 2 files changed, 71 insertions(+), 2 deletions(-)
 create mode 100644 patches/server/0080-Cache-ignite-odds.patch

diff --git a/patches/server/0004-Leaves-Server-Config-And-Command.patch b/patches/server/0004-Leaves-Server-Config-And-Command.patch
index 0402071a..f3bfff3a 100644
--- a/patches/server/0004-Leaves-Server-Config-And-Command.patch
+++ b/patches/server/0004-Leaves-Server-Config-And-Command.patch
@@ -128,10 +128,10 @@ index a53514f2c510b29f596c361de7bc0b405c27e964..269c7ba0707db4fdc45a70000e0be892
                          .withRequiredArg()
 diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..5873e0c0c41aea52abc7795f49f7a97f613fa1a4
+index 0000000000000000000000000000000000000000..cf9f2097abbfe6050b91301b2807feed7f697b71
 --- /dev/null
 +++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
-@@ -0,0 +1,797 @@
+@@ -0,0 +1,802 @@
 +package top.leavesmc.leaves;
 +
 +import com.destroystokyo.paper.util.SneakyThrow;
@@ -754,6 +754,11 @@ index 0000000000000000000000000000000000000000..5873e0c0c41aea52abc7795f49f7a97f
 +        fixPaper9372 = getBoolean("settings.performance.fix.fix-paper-9372", fixPaper9372);
 +    }
 +
++    public static boolean cacheIgniteOdds = true;
++    private static void cacheIgniteOdds() {
++        cacheIgniteOdds = getBoolean("settings.performance.cache-ignite-odds", cacheIgniteOdds);
++    }
++
 +    public static final class WorldConfig {
 +
 +        public final String worldName;
diff --git a/patches/server/0080-Cache-ignite-odds.patch b/patches/server/0080-Cache-ignite-odds.patch
new file mode 100644
index 00000000..0461e2aa
--- /dev/null
+++ b/patches/server/0080-Cache-ignite-odds.patch
@@ -0,0 +1,64 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: violetc <58360096+s-yh-china@users.noreply.github.com>
+Date: Wed, 5 Jul 2023 17:42:24 +0800
+Subject: [PATCH] Cache ignite odds
+
+
+diff --git a/src/main/java/net/minecraft/world/level/block/FireBlock.java b/src/main/java/net/minecraft/world/level/block/FireBlock.java
+index 4002e0fffb60556e7af1aeff71b4be244f02b0f5..8fc696d806aa3f4af313f145397ec497e186def2 100644
+--- a/src/main/java/net/minecraft/world/level/block/FireBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/FireBlock.java
+@@ -214,6 +214,7 @@ public class FireBlock extends BaseFireBlock {
+                 this.trySpread(world, pos.south(), 300 + k, random, i, pos);
+                 // CraftBukkit end
+                 BlockPos.MutableBlockPos blockposition_mutableblockposition = new BlockPos.MutableBlockPos();
++                Object2IntOpenHashMap<BlockPos> blockPositionIgniteCache = new Object2IntOpenHashMap<>(); // Leaves - cache ignite odds
+ 
+                 for (int l = -1; l <= 1; ++l) {
+                     for (int i1 = -1; i1 <= 1; ++i1) {
+@@ -226,7 +227,7 @@ public class FireBlock extends BaseFireBlock {
+                                 }
+ 
+                                 blockposition_mutableblockposition.setWithOffset(pos, l, j1, i1);
+-                                int l1 = this.getIgniteOdds(world, blockposition_mutableblockposition);
++                                int l1 = this.getIgniteOdds(world, blockposition_mutableblockposition, top.leavesmc.leaves.LeavesConfig.cacheIgniteOdds ? blockPositionIgniteCache : null); // Leaves - cache ignite odds
+ 
+                                 if (l1 > 0) {
+                                     int i2 = (l1 + 40 + world.getDifficulty().getId() * 7) / (i + 30);
+@@ -338,6 +339,11 @@ public class FireBlock extends BaseFireBlock {
+     }
+ 
+     private int getIgniteOdds(LevelReader world, BlockPos pos) {
++        // Leaves start - cache ignite odds
++        return getIgniteOdds(world, pos, null);
++    }
++
++    private int getIgniteOdds(LevelReader world, BlockPos pos, Object2IntOpenHashMap<BlockPos> cache) {
+         if (!world.isEmptyBlock(pos)) {
+             return 0;
+         } else {
+@@ -346,10 +352,20 @@ public class FireBlock extends BaseFireBlock {
+             int j = aenumdirection.length;
+ 
+             for (int k = 0; k < j; ++k) {
+-                Direction enumdirection = aenumdirection[k];
+-                BlockState iblockdata = world.getBlockState(pos.relative(enumdirection));
+-
+-                i = Math.max(this.getIgniteOdds(iblockdata), i);
++                if (cache != null) {
++                    int finalK = k;
++                    i = Math.max(cache.computeIfAbsent(pos, key -> {
++                        Direction enumdirection = aenumdirection[finalK];
++                        BlockState iblockdata = world.getBlockState(pos.relative(enumdirection));
++                        return this.getIgniteOdds(iblockdata);
++                    }), i);
++                } else {
++                    Direction enumdirection = aenumdirection[k];
++                    BlockState iblockdata = world.getBlockState(pos.relative(enumdirection));
++
++                    i = Math.max(this.getIgniteOdds(iblockdata), i);
++                }
++                // Leaves end - cache ignite odds
+             }
+ 
+             return i;