From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Thu, 29 Jun 2023 22:40:24 +0800
Subject: [PATCH] Spawn ignore lc


diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
index 797725f7472ed36bf5a1369a7dfe600a9749cbac..7eec9dc8237ff04c53b573c3cc87e6cdbfdda7ed 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -40,6 +40,7 @@ import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.chunk.ChunkAccess;
 import net.minecraft.world.level.chunk.ChunkGenerator;
 import net.minecraft.world.level.chunk.LevelChunk;
+import net.minecraft.world.level.chunk.LevelChunkSection;
 import net.minecraft.world.level.levelgen.Heightmap;
 import net.minecraft.world.level.levelgen.structure.BuiltinStructures;
 import net.minecraft.world.level.levelgen.structure.Structure;
@@ -204,6 +205,19 @@ public final class NaturalSpawner {
     }
     public static int spawnCategoryForChunk(MobCategory group, ServerLevel world, LevelChunk chunk, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner, int maxSpawns, Consumer<Entity> trackEntity) {
         // Paper end - add parameters and int ret type
+        // Leaves start - ignore lc
+        if (top.leavesmc.leaves.LeavesConfig.ignoreLC) {
+            int spawnN = 0;
+            for (int i = chunk.getMinBuildHeight(); i < chunk.getMaxBuildHeight(); i += 16) {
+                LevelChunkSection section = chunk.getSections()[chunk.getSectionIndex(i)];
+                if (section != null && !section.hasOnlyAir()) {
+                    BlockPos pos = getRandomPosInChunk(world, chunk).offset(0, i, 0);
+                    spawnN += spawnCategoryForPosition(group, world, chunk, pos, checker, runner, maxSpawns, trackEntity);
+                }
+            }
+            return spawnN;
+        }
+        // Leaves stop - ignore lc
         BlockPos blockposition = NaturalSpawner.getRandomPosWithin(world, chunk);
 
         if (blockposition.getY() >= world.getMinBuildHeight() + 1) {
@@ -212,6 +226,16 @@ public final class NaturalSpawner {
         return 0; // Paper
     }
 
+    // Leaves start - ignore lc
+    private static BlockPos getRandomPosInChunk(Level world, LevelChunk chunk) {
+        ChunkPos chunkPos = chunk.getPos();
+        int x = chunkPos.getMinBlockX() + world.random.nextInt(16);
+        int z = chunkPos.getMinBlockZ() + world.random.nextInt(16);
+        int y = world.random.nextInt(16) + 1;
+        return new BlockPos(x, y, z);
+    }
+    // Leaves stop - ignore lc
+
     @VisibleForDebug
     public static void spawnCategoryForPosition(MobCategory group, ServerLevel world, BlockPos pos) {
         NaturalSpawner.spawnCategoryForPosition(group, world, world.getChunk(pos), pos, (entitytypes, blockposition1, ichunkaccess) -> {