Purpur/patches/server/0249-Stonecutter-damage.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Wed, 8 Jun 2022 14:19:35 -0400
Subject: [PATCH] Stonecutter damage


diff --git a/src/main/java/net/minecraft/world/damagesource/CombatTracker.java b/src/main/java/net/minecraft/world/damagesource/CombatTracker.java
index 5c9d49b40a940df724101bef339a9ac5a31fd025..8ed6b8ddc76bda3d4f298b3076dba9275cec93d9 100644
--- a/src/main/java/net/minecraft/world/damagesource/CombatTracker.java
+++ b/src/main/java/net/minecraft/world/damagesource/CombatTracker.java
@@ -102,6 +102,8 @@ public class CombatTracker {
                 // Purpur start
                 if (damageSource.isScissors()) {
                     return damageSource.getLocalizedDeathMessage(org.purpurmc.purpur.PurpurConfig.deathMsgRunWithScissors, this.mob);
+                } else if (damageSource.isStonecutter()) {
+                    return damageSource.getLocalizedDeathMessage(org.purpurmc.purpur.PurpurConfig.deathMsgStonecutter, this.mob);
                 }
                 // Purpur end
                 return damageSource.getLocalizedDeathMessage(this.mob);
diff --git a/src/main/java/net/minecraft/world/damagesource/DamageSource.java b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
index 5cbbff174b6f10bebe1923c10f84fc26e4d3000e..41651c877246f38c73cc9c81b37a0b86e5054cb9 100644
--- a/src/main/java/net/minecraft/world/damagesource/DamageSource.java
+++ b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
@@ -28,6 +28,7 @@ public class DamageSource {
     private boolean melting = false;
     private boolean poison = false;
     private boolean scissors = false; // Purpur
+    private boolean stonecutter = false; // Purpur
     @Nullable
     private Entity customEventDamager = null; // This field is a helper for when causing entity damage is not set by vanilla // Paper - fix DamageSource API
 
@@ -67,6 +68,15 @@ public class DamageSource {
     public boolean isScissors() {
         return this.scissors;
     }
+
+    public DamageSource stonecutter() {
+        this.stonecutter = true;
+        return this;
+    }
+
+    public boolean isStonecutter() {
+        return this.stonecutter;
+    }
     // Purpur end
 
     // Paper start - fix DamageSource API
@@ -113,6 +123,7 @@ public class DamageSource {
         damageSource.poison = this.isPoison();
         damageSource.melting = this.isMelting();
         damageSource.scissors = this.isScissors(); // Purpur
+        damageSource.stonecutter = this.isStonecutter(); // Purpur
         return damageSource;
     }
     // CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/damagesource/DamageSources.java b/src/main/java/net/minecraft/world/damagesource/DamageSources.java
index 23c7f22dacc570837120c28e0a57f8c9155e92fc..2c1fdc031bcfc8f39692312e9ce9c5a3cf987349 100644
--- a/src/main/java/net/minecraft/world/damagesource/DamageSources.java
+++ b/src/main/java/net/minecraft/world/damagesource/DamageSources.java
@@ -45,12 +45,14 @@ public class DamageSources {
     private final DamageSource melting;
     private final DamageSource poison;
     private final DamageSource scissors; // Purpur
+    private final DamageSource stonecutter; // Purpur
 
     public DamageSources(RegistryAccess registryManager) {
         this.damageTypes = registryManager.registryOrThrow(Registries.DAMAGE_TYPE);
         this.melting = this.source(DamageTypes.ON_FIRE).melting();
         this.poison = this.source(DamageTypes.MAGIC).poison();
         this.scissors = this.source(DamageTypes.MAGIC).scissors(); // Purpur
+        this.stonecutter = this.source(DamageTypes.MAGIC).stonecutter(); // Purpur
         // CraftBukkit end
         this.inFire = this.source(DamageTypes.IN_FIRE);
         this.lightningBolt = this.source(DamageTypes.LIGHTNING_BOLT);
@@ -103,6 +105,9 @@ public class DamageSources {
     public DamageSource scissors() {
         return this.scissors;
     }
+    public DamageSource stonecutter() {
+        return this.stonecutter;
+    }
     // Purpur end
 
     public DamageSource inFire() {
diff --git a/src/main/java/net/minecraft/world/level/block/StonecutterBlock.java b/src/main/java/net/minecraft/world/level/block/StonecutterBlock.java
index 77ae7b8ab24935d046cce1f8f7f476310876f9df..579abfbe791052507b15c14d8c81e39b2fdd6520 100644
--- a/src/main/java/net/minecraft/world/level/block/StonecutterBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/StonecutterBlock.java
@@ -99,4 +99,14 @@ public class StonecutterBlock extends Block {
     public boolean isPathfindable(BlockState state, BlockGetter world, BlockPos pos, PathComputationType type) {
         return false;
     }
+
+    // Purpur start
+    @Override
+    public void stepOn(Level level, BlockPos pos, BlockState state, net.minecraft.world.entity.Entity entity) {
+        if (level.purpurConfig.stonecutterDamage > 0.0F && entity instanceof net.minecraft.world.entity.LivingEntity) {
+            entity.hurt(entity.damageSources().stonecutter().directBlock(level, pos), level.purpurConfig.stonecutterDamage);
+        }
+        super.stepOn(level, pos, state, entity);
+    }
+    // Purpur end
 }
diff --git a/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java b/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
index 0dc05919dfbbf73230505fcdc25d949b1602801c..996bd26e95e766ce4ca7e61d060881feb9dd4a89 100644
--- a/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
+++ b/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
@@ -471,7 +471,7 @@ public class WalkNodeEvaluator extends NodeEvaluator {
                             return BlockPathTypes.BLOCKED;
                         } else {
                         // Paper end - Do not load chunks during pathfinding
-                        if (blockState.is(Blocks.CACTUS) || blockState.is(Blocks.SWEET_BERRY_BUSH)) {
+                        if (blockState.is(Blocks.CACTUS) || blockState.is(Blocks.SWEET_BERRY_BUSH) || blockState.is(Blocks.STONECUTTER)) { // Purpur
                             return BlockPathTypes.DANGER_OTHER;
                         }
 
@@ -504,7 +504,7 @@ public class WalkNodeEvaluator extends NodeEvaluator {
         } else if (!blockState.is(BlockTags.TRAPDOORS) && !blockState.is(Blocks.LILY_PAD) && !blockState.is(Blocks.BIG_DRIPLEAF)) {
             if (blockState.is(Blocks.POWDER_SNOW)) {
                 return BlockPathTypes.POWDER_SNOW;
-            } else if (!blockState.is(Blocks.CACTUS) && !blockState.is(Blocks.SWEET_BERRY_BUSH)) {
+            } else if (!blockState.is(Blocks.CACTUS) && !blockState.is(Blocks.SWEET_BERRY_BUSH) && !blockState.is(Blocks.STONECUTTER)) { // Purpur
                 if (blockState.is(Blocks.HONEY_BLOCK)) {
                     return BlockPathTypes.STICKY_HONEY;
                 } else if (blockState.is(Blocks.COCOA)) {
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 171efb1ab482d0042bead18df0880f038cfda16a..b82a6143526bd1d4ecd4591c1253cdb0b913fe09 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1133,7 +1133,7 @@ public class CraftEventFactory {
             return CraftEventFactory.callEntityDamageEvent(source.getDirectBlock(), entity, DamageCause.LAVA, bukkitDamageSource, modifiers, modifierFunctions, cancelled);
         } else if (source.getDirectBlock() != null) {
             DamageCause cause;
-            if (source.is(DamageTypes.CACTUS) || source.is(DamageTypes.SWEET_BERRY_BUSH) || source.is(DamageTypes.STALAGMITE) || source.is(DamageTypes.FALLING_STALACTITE) || source.is(DamageTypes.FALLING_ANVIL)) {
+            if (source.is(DamageTypes.CACTUS) || source.is(DamageTypes.SWEET_BERRY_BUSH) || source.is(DamageTypes.STALAGMITE) || source.is(DamageTypes.FALLING_STALACTITE) || source.is(DamageTypes.FALLING_ANVIL) || source.isStonecutter()) { // Purpur
                 cause = DamageCause.CONTACT;
             } else if (source.is(DamageTypes.HOT_FLOOR)) {
                 cause = DamageCause.HOT_FLOOR;
diff --git a/src/main/java/org/purpurmc/purpur/PurpurConfig.java b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
index a504f727f5aaa605809938b4e7e7bbe9b84c522a..9bc5cc4944dcd3918b2a90bde9dd8fdd795ae3b2 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
@@ -209,8 +209,10 @@ public class PurpurConfig {
     }
 
     public static String deathMsgRunWithScissors = "<player> slipped and fell on their shears";
+    public static String deathMsgStonecutter = "<player> has sawed themself in half";
     private static void deathMessages() {
         deathMsgRunWithScissors = getString("settings.messages.death-message.run-with-scissors", deathMsgRunWithScissors);
+        deathMsgStonecutter = getString("settings.messages.death-message.stonecutter", deathMsgStonecutter);
     }
 
     public static boolean advancementOnlyBroadcastToAffectedPlayer = false;
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index d58497ff0cf698d8739e07083ef391f65aa39090..b099b1abfe527b066c2bc9e89dc98c52db34c3eb 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -1076,6 +1076,11 @@ public class PurpurWorldConfig {
         spongeAbsorbsWaterFromMud = getBoolean("blocks.sponge.absorbs-water-from-mud", spongeAbsorbsWaterFromMud);
     }
 
+    public float stonecutterDamage = 0.0F;
+    private void stonecutterSettings() {
+        stonecutterDamage = (float) getDouble("blocks.stonecutter.damage", stonecutterDamage);
+    }
+
     public boolean turtleEggsBreakFromExpOrbs = false;
     public boolean turtleEggsBreakFromItems = false;
     public boolean turtleEggsBreakFromMinecarts = false;