From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sun, 21 Mar 2021 15:49:15 -0500
Subject: [PATCH] Sneak to bulk process composter


diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
index 5a60f5dc202c44b06ca34e9a19d45cb715f74fd3..8d3468353358e9f366db671090725d724bdf842f 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -565,7 +565,7 @@ public class ServerPlayerGameMode {
             boolean flag1 = player.isSecondaryUseActive() && flag;
             ItemStack itemstack1 = stack.copy();
 
-            if (!flag1) {
+            if (!flag1 || (player.level.purpurConfig.composterBulkProcess && iblockdata.is(Blocks.COMPOSTER))) { // Purpur
                 enuminteractionresult = iblockdata.use(world, player, hand, hitResult);
 
                 if (enuminteractionresult.consumesAction()) {
diff --git a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
index 492e3ffd6a4588a521486db631f3e8b2a25b74ec..954c4a112d675144befd253abe880251f4ea1876 100644
--- a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
@@ -220,23 +220,21 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
         ItemStack itemstack = player.getItemInHand(hand);
 
         if (i < 8 && ComposterBlock.COMPOSTABLES.containsKey(itemstack.getItem())) {
-            if (i < 7 && !world.isClientSide) {
-                // Paper start - EntityChangeBlockEvent
-                double rand = world.getRandom().nextDouble();
-                BlockState dummyBlockState = ComposterBlock.addItem(state, org.bukkit.craftbukkit.util.DummyGeneratorAccess.INSTANCE, pos, itemstack, rand);
-                if (state != dummyBlockState && org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(player, pos, dummyBlockState).isCancelled()) { // if block state will change and event cancelled
-                    return InteractionResult.sidedSuccess(world.isClientSide);
-                }
-                BlockState iblockdata1 = ComposterBlock.addItem(state, world, pos, itemstack, rand);
-                // Paper end
-
-                world.levelEvent(1500, pos, state != iblockdata1 ? 1 : 0);
-                player.awardStat(Stats.ITEM_USED.get(itemstack.getItem()));
-                if (!player.getAbilities().instabuild) {
-                    itemstack.shrink(1);
-                }
+            // Purpur start
+            BlockState newState = process(i, state, world, itemstack, pos, player);
+            if (world.purpurConfig.composterBulkProcess && player.isShiftKeyDown() && newState != state) {
+                BlockState oldState;
+                int oldCount, newCount, oldLevel, newLevel;
+                do {
+                    oldState = newState;
+                    oldCount = itemstack.getCount();
+                    oldLevel = oldState.getValue(ComposterBlock.LEVEL);
+                    newState = process(oldLevel, oldState, world, itemstack, pos, player);
+                    newCount = itemstack.getCount();
+                    newLevel = newState.getValue(ComposterBlock.LEVEL);
+                } while (newCount > 0 && (newCount != oldCount || newLevel != oldLevel || newState != oldState));
             }
-
+            // Purpur end
             return InteractionResult.sidedSuccess(world.isClientSide);
         } else if (i == 8) {
             ComposterBlock.extractProduce(state, world, pos, (Entity) null); // CraftBukkit - no event for players
@@ -246,6 +244,29 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
         }
     }
 
+    // Purpur start
+    private static BlockState process(int level, BlockState state, Level world, ItemStack itemstack, BlockPos pos, Player player) {
+        if (level < 7 && !world.isClientSide) {
+            // Paper start - EntityChangeBlockEvent
+            double rand = world.getRandom().nextDouble();
+            BlockState dummyBlockState = ComposterBlock.addItem(state, org.bukkit.craftbukkit.util.DummyGeneratorAccess.INSTANCE, pos, itemstack, rand);
+            if (state != dummyBlockState && org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(player, pos, dummyBlockState).isCancelled()) { // if block state will change and event cancelled
+                return state;
+            }
+            BlockState iblockdata1 = ComposterBlock.addItem(state, world, pos, itemstack, rand);
+            // Paper end
+
+            world.levelEvent(1500, pos, state != iblockdata1 ? 1 : 0);
+            player.awardStat(Stats.ITEM_USED.get(itemstack.getItem()));
+            if (!player.getAbilities().instabuild) {
+                itemstack.shrink(1);
+            }
+            return dummyBlockState;
+        }
+        return state;
+    }
+    // Purpur end
+
     public static BlockState insertItem(BlockState iblockdata, ServerLevel worldserver, ItemStack itemstack, BlockPos blockposition, Entity entity) { // CraftBukkit
         int i = (Integer) iblockdata.getValue(ComposterBlock.LEVEL);
 
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index c01ddef1966843748f434ae195b38d2f290388ec..9c925dbee68ae33ae98436a5bb70d7fc5b55fe23 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -474,6 +474,11 @@ public class PurpurWorldConfig {
         chestOpenWithBlockOnTop = getBoolean("blocks.chest.open-with-solid-block-on-top", chestOpenWithBlockOnTop);
     }
 
+    public boolean composterBulkProcess = false;
+    private void composterSettings() {
+        composterBulkProcess = getBoolean("blocks.composter.sneak-to-bulk-process", composterBulkProcess);
+    }
+
     public boolean dispenserApplyCursedArmor = true;
     public boolean dispenserPlaceAnvils = false;
     private void dispenserSettings() {