From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Wed, 24 Mar 2021 04:40:11 -0500
Subject: [PATCH] Option to make doors require redstone


diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/InteractWithDoor.java b/src/main/java/net/minecraft/world/entity/ai/behavior/InteractWithDoor.java
index c3fb86dc3d94d3a0d2464f2dbb83cda2fb9f7bbe..fd77dd0c0bfaba57e5bdfd13f7a90241ecdf813a 100644
--- a/src/main/java/net/minecraft/world/entity/ai/behavior/InteractWithDoor.java
+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/InteractWithDoor.java
@@ -57,7 +57,7 @@ public class InteractWithDoor {
 
                         if (iblockdata.is(BlockTags.WOODEN_DOORS, (blockbase_blockdata) -> {
                             return blockbase_blockdata.getBlock() instanceof DoorBlock;
-                        })) {
+        }) && !DoorBlock.requiresRedstone(entityliving.level, iblockdata, blockposition)) { // Purpur
                             DoorBlock blockdoor = (DoorBlock) iblockdata.getBlock();
 
                             if (!blockdoor.isOpen(iblockdata)) {
@@ -79,7 +79,7 @@ public class InteractWithDoor {
 
                         if (iblockdata1.is(BlockTags.WOODEN_DOORS, (blockbase_blockdata) -> {
                             return blockbase_blockdata.getBlock() instanceof DoorBlock;
-                        })) {
+        }) && !DoorBlock.requiresRedstone(entityliving.level, iblockdata, blockposition1)) { // Purpur
                             DoorBlock blockdoor1 = (DoorBlock) iblockdata1.getBlock();
 
                             if (!blockdoor1.isOpen(iblockdata1)) {
@@ -122,7 +122,7 @@ public class InteractWithDoor {
 
                     if (!iblockdata.is(BlockTags.WOODEN_DOORS, (blockbase_blockdata) -> {
                         return blockbase_blockdata.getBlock() instanceof DoorBlock;
-                    })) {
+                        }) || DoorBlock.requiresRedstone(entity.level, iblockdata, blockposition)) { // Purpur
                         iterator.remove();
                     } else {
                         DoorBlock blockdoor = (DoorBlock) iblockdata.getBlock();
diff --git a/src/main/java/net/minecraft/world/level/block/DoorBlock.java b/src/main/java/net/minecraft/world/level/block/DoorBlock.java
index 5ba56ee7d5dd210770e6703be559055d218028d5..b5e90dc00240bccf1a6eca342729a4f4165e22bf 100644
--- a/src/main/java/net/minecraft/world/level/block/DoorBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DoorBlock.java
@@ -165,6 +165,7 @@ public class DoorBlock extends Block {
     public InteractionResult use(BlockState state, Level world, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hit) {
         if (this.material == Material.METAL) {
             return InteractionResult.PASS;
+        } else if (requiresRedstone(world, state, pos)) { return InteractionResult.CONSUME; // Purpur
         } else {
             state = (BlockState) state.cycle(DoorBlock.OPEN);
             world.setBlock(pos, state, 10);
@@ -260,4 +261,18 @@ public class DoorBlock extends Block {
     public static boolean isWoodenDoor(BlockState state) {
         return state.getBlock() instanceof DoorBlock && (state.getMaterial() == Material.WOOD || state.getMaterial() == Material.NETHER_WOOD);
     }
+
+    // Purpur start
+    public static boolean requiresRedstone(Level level, BlockState state, BlockPos pos) {
+        if (level.purpurConfig.doorRequiresRedstone.contains(state.getBlock())) {
+            // force update client
+            BlockPos otherPos = pos.relative(state.getValue(DoorBlock.HALF) == DoubleBlockHalf.LOWER ? Direction.UP : Direction.DOWN);
+            BlockState otherState = level.getBlockState(otherPos);
+            level.sendBlockUpdated(pos, state, state, 3);
+            level.sendBlockUpdated(otherPos, otherState, otherState, 3);
+            return true;
+        }
+        return false;
+    }
+    // Purpur end
 }
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index 8fb3c11d423ed85fd0e26ed3708f919dd00d4add..daaf49453c4612db7ca65ee1e5936f13fa5058e0 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -510,6 +510,16 @@ public class PurpurWorldConfig {
         dispenserPlaceAnvils = getBoolean("blocks.dispenser.place-anvils", dispenserPlaceAnvils);
     }
 
+    public List<Block> doorRequiresRedstone = new ArrayList<>();
+    private void doorSettings() {
+        getList("blocks.door.requires-redstone", new ArrayList<String>()).forEach(key -> {
+            Block block = BuiltInRegistries.BLOCK.get(new ResourceLocation(key.toString()));
+            if (!block.defaultBlockState().isAir()) {
+                doorRequiresRedstone.add(block);
+            }
+        });
+    }
+
     public boolean baselessEndCrystalExplode = true;
     public double baselessEndCrystalExplosionPower = 6.0D;
     public boolean baselessEndCrystalExplosionFire = false;