From c0c21dc83b01878cc8c3b7f2b3220831f844c47b Mon Sep 17 00:00:00 2001
From: jhqwqmc <2110242767@qq.com>
Date: Wed, 18 Jun 2025 04:57:57 +0800
Subject: [PATCH] =?UTF-8?q?feat(bukkit):=20=E5=AE=9E=E7=8E=B0SturdyBaseBlo?=
 =?UTF-8?q?ck=E8=A1=8C=E4=B8=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../block/behavior/BukkitBlockBehaviors.java  |  2 +
 .../behavior/SturdyBaseBlockBehavior.java     | 46 +++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/SturdyBaseBlockBehavior.java

diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/BukkitBlockBehaviors.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/BukkitBlockBehaviors.java
index a162e4d28..35ac36449 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/BukkitBlockBehaviors.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/BukkitBlockBehaviors.java
@@ -22,6 +22,7 @@ public class BukkitBlockBehaviors extends BlockBehaviors {
     public static final Key TRAPDOOR_BLOCK = Key.from("craftengine:trapdoor_block");
     public static final Key DOOR_BLOCK = Key.from("craftengine:door_block");
     public static final Key STACKABLE_BLOCK = Key.from("craftengine:stackable_block");
+    public static final Key STURDY_BASE_BLOCK = Key.from("craftengine:sturdy_base_block");
 
     public static void init() {
         register(EMPTY, (block, args) -> EmptyBlockBehavior.INSTANCE);
@@ -42,5 +43,6 @@ public class BukkitBlockBehaviors extends BlockBehaviors {
         register(TRAPDOOR_BLOCK, TrapDoorBlockBehavior.FACTORY);
         register(DOOR_BLOCK, DoorBlockBehavior.FACTORY);
         register(STACKABLE_BLOCK, StackableBlockBehavior.FACTORY);
+        register(STURDY_BASE_BLOCK, SturdyBaseBlockBehavior.FACTORY);
     }
 }
diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/SturdyBaseBlockBehavior.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/SturdyBaseBlockBehavior.java
new file mode 100644
index 000000000..4916e7a2e
--- /dev/null
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/block/behavior/SturdyBaseBlockBehavior.java
@@ -0,0 +1,46 @@
+package net.momirealms.craftengine.bukkit.block.behavior;
+
+import net.momirealms.craftengine.bukkit.nms.FastNMS;
+import net.momirealms.craftengine.bukkit.plugin.reflection.minecraft.CoreReflections;
+import net.momirealms.craftengine.bukkit.util.DirectionUtils;
+import net.momirealms.craftengine.core.block.BlockBehavior;
+import net.momirealms.craftengine.core.block.CustomBlock;
+import net.momirealms.craftengine.core.block.behavior.BlockBehaviorFactory;
+import net.momirealms.craftengine.core.util.Direction;
+import net.momirealms.craftengine.core.util.ResourceConfigUtils;
+
+import java.util.Locale;
+import java.util.Map;
+
+public class SturdyBaseBlockBehavior extends AbstractCanSurviveBlockBehavior {
+    public static final Factory FACTORY = new Factory();
+    private final Direction direction;
+
+    public SturdyBaseBlockBehavior(CustomBlock block, int delay, Direction direction) {
+        super(block, delay);
+        this.direction = direction;
+    }
+
+    @Override
+    protected boolean canSurvive(Object thisBlock, Object state, Object world, Object blockPos) throws Exception {
+        int x = FastNMS.INSTANCE.field$Vec3i$x(blockPos) + this.direction.stepX();
+        int y = FastNMS.INSTANCE.field$Vec3i$y(blockPos) + this.direction.stepY();
+        int z = FastNMS.INSTANCE.field$Vec3i$z(blockPos) + this.direction.stepZ();
+        Object targetPos = FastNMS.INSTANCE.constructor$BlockPos(x, y, z);
+        Object blockState = FastNMS.INSTANCE.method$BlockGetter$getBlockState(world, targetPos);
+        return (boolean) CoreReflections.method$BlockStateBase$isFaceSturdy.invoke(
+                blockState, world, blockPos, DirectionUtils.toNMSDirection(this.direction.opposite()),
+                CoreReflections.instance$SupportType$FULL
+        );
+    }
+
+    public static class Factory implements BlockBehaviorFactory {
+
+        @Override
+        public BlockBehavior create(CustomBlock block, Map<String, Object> arguments) {
+            int delay = ResourceConfigUtils.getAsInt(arguments.getOrDefault("delay", 0), "delay");
+            Direction direction = Direction.valueOf(arguments.getOrDefault("direction", "down").toString().toUpperCase(Locale.ROOT));
+            return new SturdyBaseBlockBehavior(block, delay, direction);
+        }
+    }
+}