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 0a3eb5e929c605d9eb7369de8ade8b49951f5d37..b69277b2ce0b5e4fd5cc5c21d07f529a16d21cc6 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
@@ -568,7 +568,7 @@ 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 ae90e86327957bb784e2d81694ee7eea288bb455..c5e4bc4bbeacd4875996ba54e795689feb8023af 100644
--- a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
@@ -228,26 +228,28 @@ 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(player, 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(player, state, world, pos, itemstack, rand);
-                if (iblockdata1 == null) {
-                    return InteractionResult.PASS;
-                }
-                // 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 (newState == null) {
+                return InteractionResult.PASS;
             }
 
+            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);
+                    if (newState == null) {
+                        return InteractionResult.PASS;
+                    }
+                    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(player, state, world, pos);
@@ -257,6 +259,32 @@ 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(player, 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(player, state, world, pos, itemstack, rand);
+            if (iblockdata1 == null) {
+                return iblockdata1;
+            }
+            // 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(Entity user, BlockState state, ServerLevel world, ItemStack stack, BlockPos pos) {
         int i = (Integer) state.getValue(ComposterBlock.LEVEL);
 
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index 657200645df0547912abe0dd5700c1677e203b60..ee0638c946845efeec8b933d2835ce2e996bb72c 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -485,6 +485,11 @@ 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() {