Fix #2 i am sorry to everyone that had to wait this long for me to do…

… this

src/main/java/tf/ssf/sfort/lengthyladders/mixin/Config.java

@@ -18,7 +18,7 @@ public class Config implements IMixinConfigPlugin {
     private static final String mod = "tf.ssf.sfort.lengthyladders";
     public static Logger LOGGER = LogManager.getLogger();
 
-    public static boolean LadderScaff = true;
+    public static Boolean LadderScaff = true;
     //public static final boolean fapiLoaded = FabricLoader.getInstance().getAllMods().stream().anyMatch(a->return a.getMetadata().getId().equals("fabric-api-base"));
 
     @Override
@@ -32,15 +32,15 @@ public void onLoad(String mixinPackage) {
             confFile.createNewFile();
             List<String> la = Files.readAllLines(confFile.toPath());
             List<String> defaultDesc = Arrays.asList(
-                    "^-Should ladders behave like scaffolding [true] true | false"
+                    "^-Should ladders behave like scaffolding [true] true | false | iWantToBreakCompatibility"
             );
             String[] ls = la.toArray(new String[Math.max(la.size(), defaultDesc.size() * 2)|1]);
             final int hash = Arrays.hashCode(ls);
             for (int i = 0; i<defaultDesc.size();++i)
                 ls[i*2+1]= defaultDesc.get(i);
 
-            try{LadderScaff = ls[0].contains("true");}catch (Exception ignore){}
-            ls[0] = String.valueOf(LadderScaff);
+            try{LadderScaff = ls[0].startsWith("false") ? null : ls[0].contains("true");}catch (Exception ignore){}
+            ls[0] = LadderScaff == null ? "false" : LadderScaff ? "true" : "iWantToBreakCompatibility";
 
             if (hash != Arrays.hashCode(ls))
                 Files.write(confFile.toPath(), Arrays.asList(ls));
@@ -53,7 +53,9 @@ public void onLoad(String mixinPackage) {
     public boolean shouldApplyMixin(String targetClassName, String mixinClassName) {
         switch (mixinClassName){
             case mod+".mixin.MixinItems":
-                return LadderScaff;
+                return LadderScaff != null && !LadderScaff;
+            case mod+".mixin.MixinItemsCompat":
+                return LadderScaff != null && LadderScaff;
             default:
                 return true;
         }

src/main/java/tf/ssf/sfort/lengthyladders/mixin/MixinItems.java

@@ -6,13 +6,10 @@
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemGroup;
 import net.minecraft.item.Items;
-import net.minecraft.util.registry.Registry;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.ModifyArg;
-import org.spongepowered.asm.mixin.injection.Redirect;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 import tf.ssf.sfort.lengthyladders.LadderBlockItem;
 

src/main/java/tf/ssf/sfort/lengthyladders/mixin/MixinItemsCompat.java

@@ -0,0 +1,30 @@
+package tf.ssf.sfort.lengthyladders.mixin;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.LadderBlock;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(BlockItem.class)
+public abstract class MixinItemsCompat {
+	@Shadow public abstract Block getBlock();
+
+	@Inject(method = "getPlacementContext(Lnet/minecraft/item/ItemPlacementContext;)Lnet/minecraft/item/ItemPlacementContext;", at=@At("HEAD"), cancellable = true)
+	private void register(ItemPlacementContext context, CallbackInfoReturnable<ItemPlacementContext> cir){
+		if(this.getBlock() instanceof LadderBlock){
+			BlockPos hit = context.getBlockPos().offset(context.getSide().getOpposite());
+			BlockState state = context.getWorld().getBlockState(hit);
+			if (state.isOf(this.getBlock()) && state.get(LadderBlock.FACING).equals(context.getSide())) {
+				cir.setReturnValue(ItemPlacementContext.offset(context, hit.up(), Direction.DOWN));
+			}
+		}
+	}
+}

src/main/resources/lengthyladders.mixins.json

@@ -8,7 +8,8 @@
     "LongLadder"
   ],
   "client": [
-    "MixinItems"
+    "MixinItems",
+    "MixinItemsCompat"
   ],
   "injectors": {
     "defaultRequire": 1