PaperMC/patches/server/0812-Fix-kelp-modifier-changing-growth-for-other-crops.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Fri, 3 Dec 2021 17:09:24 -0800
Subject: [PATCH] Fix kelp modifier changing growth for other crops

Also add growth modifiers for twisting vines, weeping vines, cave vines,
and glow berries

Also fix above-mentioned modifiers from having the reverse effect

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>

diff --git a/src/main/java/net/minecraft/world/level/block/CaveVinesBlock.java b/src/main/java/net/minecraft/world/level/block/CaveVinesBlock.java
index 87dabe3c80b48bff52f2e3dbbaceb37a1a21e431..effee89e308c9a663938ac5b00a8c6512ce407c2 100644
--- a/src/main/java/net/minecraft/world/level/block/CaveVinesBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/CaveVinesBlock.java
@@ -47,9 +47,17 @@ public class CaveVinesBlock extends GrowingPlantHeadBlock implements Bonemealabl
 
     @Override
     protected BlockState getGrowIntoState(BlockState state, Random random) {
-        return (BlockState) super.getGrowIntoState(state, random).setValue(CaveVinesBlock.BERRIES, random.nextFloat() < 0.11F);
+        // Paper start
+        return this.getGrowIntoState(state, random, null);
     }
 
+    @Override
+    protected BlockState getGrowIntoState(BlockState state, Random random, Level level) {
+        final boolean value = (level == null ? random.nextFloat() : random.nextFloat(100.00F / level.spigotConfig.glowBerryModifier)) < 0.11F;
+        return super.getGrowIntoState(state, random).setValue(CaveVinesBlock.BERRIES, value);
+    }
+    // Paper end
+
     @Override
     public ItemStack getCloneItemStack(BlockGetter world, BlockPos pos, BlockState state) {
         return new ItemStack(Items.GLOW_BERRIES);
diff --git a/src/main/java/net/minecraft/world/level/block/GrowingPlantHeadBlock.java b/src/main/java/net/minecraft/world/level/block/GrowingPlantHeadBlock.java
index def3b62feada5cebae4049883fa967b12f6f32b4..8e642ff6d387e05f900acfc3cf6cfa5975bf69e4 100644
--- a/src/main/java/net/minecraft/world/level/block/GrowingPlantHeadBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/GrowingPlantHeadBlock.java
@@ -40,16 +40,36 @@ public abstract class GrowingPlantHeadBlock extends GrowingPlantBlock implements
 
     @Override
     public void randomTick(BlockState state, ServerLevel world, BlockPos pos, Random random) {
-        if ((Integer) state.getValue(GrowingPlantHeadBlock.AGE) < 25 && random.nextDouble() < (100.0D / world.spigotConfig.kelpModifier) * this.growPerTickProbability) { // Spigot
+        // Paper start
+        final int modifier;
+        if (state.is(Blocks.TWISTING_VINES) || state.is(Blocks.TWISTING_VINES_PLANT)) {
+            modifier = world.spigotConfig.twistingVinesModifier;
+        } else if (state.is(Blocks.WEEPING_VINES) || state.is(Blocks.WEEPING_VINES_PLANT)) {
+            modifier = world.spigotConfig.weepingVinesModifier;
+        } else if (state.is(Blocks.CAVE_VINES) || state.is(Blocks.CAVE_VINES_PLANT)) {
+            modifier = world.spigotConfig.caveVinesModifier;
+        } else if (state.is(Blocks.KELP) || state.is(Blocks.KELP_PLANT)) {
+            modifier = world.spigotConfig.kelpModifier;
+        } else {
+            modifier = 100; // Above cases are exhaustive as of 1.18
+        }
+        if ((Integer) state.getValue(GrowingPlantHeadBlock.AGE) < 25 && random.nextDouble() < (modifier / 100.0D) * this.growPerTickProbability) { // Spigot // Paper - fix growth modifier having the reverse effect
+            // Paper end
             BlockPos blockposition1 = pos.relative(this.growthDirection);
 
             if (this.canGrowInto(world.getBlockState(blockposition1))) {
-                org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockSpreadEvent(world, pos, blockposition1, this.getGrowIntoState(state, world.random)); // CraftBukkit
+                org.bukkit.craftbukkit.event.CraftEventFactory.handleBlockSpreadEvent(world, pos, blockposition1, this.getGrowIntoState(state, world.random, world)); // CraftBukkit // Paper
             }
         }
 
     }
 
+    // Paper start
+    protected BlockState getGrowIntoState(BlockState state, Random random, Level level) {
+        return this.getGrowIntoState(state, random);
+    }
+    // Paper end
+
     protected BlockState getGrowIntoState(BlockState state, Random random) {
         return (BlockState) state.cycle(GrowingPlantHeadBlock.AGE);
     }
diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
index 9f7541cb62600f022da75cba74731ff4e57f7f36..f144ca888518f1bdb84ee811410937cba994245c 100644
--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
@@ -103,6 +103,12 @@ public class SpigotWorldConfig
     public int bambooModifier;
     public int sweetBerryModifier;
     public int kelpModifier;
+    // Paper start
+    public int twistingVinesModifier;
+    public int weepingVinesModifier;
+    public int caveVinesModifier;
+    public int glowBerryModifier;
+    // Paper end
     private int getAndValidateGrowth(String crop)
     {
         int modifier = this.getInt( "growth." + crop.toLowerCase(java.util.Locale.ENGLISH) + "-modifier", 100 );
@@ -133,6 +139,12 @@ public class SpigotWorldConfig
         this.bambooModifier = this.getAndValidateGrowth( "Bamboo" );
         this.sweetBerryModifier = this.getAndValidateGrowth( "SweetBerry" );
         this.kelpModifier = this.getAndValidateGrowth( "Kelp" );
+        // Paper start
+        this.twistingVinesModifier = this.getAndValidateGrowth("TwistingVines");
+        this.weepingVinesModifier = this.getAndValidateGrowth("WeepingVines");
+        this.caveVinesModifier = this.getAndValidateGrowth("CaveVines");
+        this.glowBerryModifier = this.getAndValidateGrowth("GlowBerry");
+        // Paper end
     }
 
     public double itemMerge;