Added mixin to properly handle Long Arrays

src/launch/java/baritone/launch/mixins/MixinNBTTagLongArray.java

@@ -0,0 +1,37 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.launch.mixins;
+
+import baritone.utils.accessor.INBTTagLongArray;
+import net.minecraft.nbt.NBTTagLongArray;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+/**
+ * @author rycbar
+ * @since 26.09.2022
+ */
+@Mixin(NBTTagLongArray.class)
+public abstract class MixinNBTTagLongArray implements INBTTagLongArray {
+
+    @Accessor("data")
+    @Override
+    public abstract long[] getLongArray();
+
+
+}

src/launch/resources/mixins.baritone.json

@@ -31,6 +31,7 @@
     "MixinStateImplementation",
     "MixinTabCompleter",
     "MixinVboRenderList",
-    "MixinWorldClient"
+    "MixinWorldClient",
+    "MixinNBTTagLongArray"
   ]
 }

src/main/java/baritone/utils/accessor/INBTTagLongArray.java

@@ -0,0 +1,27 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.utils.accessor;
+
+/**
+ * @author rycbar
+ * @since 26.09.2022
+ */
+public interface INBTTagLongArray {
+
+    long[] getLongArray();
+}

src/main/java/baritone/utils/schematic/format/defaults/LitematicaSchematic.java

@@ -18,6 +18,7 @@
 package baritone.utils.schematic.format.defaults;
 
 import baritone.utils.schematic.StaticSchematic;
+import baritone.utils.accessor.INBTTagLongArray;
 import net.minecraft.block.*;
 import net.minecraft.block.properties.IProperty;
 import net.minecraft.nbt.*;
@@ -180,14 +181,7 @@ public final class LitematicaSchematic extends StaticSchematic {
      * @return array of Long values.
      */
     private static long[] getBlockStates() {
-        String rawBlockString = Objects.requireNonNull((nbt.getCompoundTag(reg).getCompoundTag(subReg).getTag(blSt))).toString();
+        return ((INBTTagLongArray) nbt.getCompoundTag(reg).getCompoundTag(subReg).getTag(blSt)).getLongArray();
-        rawBlockString = rawBlockString.substring(3,rawBlockString.length()-1);
-        String[] rawBlockArrayString = rawBlockString.split(",");
-        long[] rawBlockData = new long[rawBlockArrayString.length];
-        for (int i = 0; i < rawBlockArrayString.length; i++) {
-            rawBlockData[i] = Long.parseLong(rawBlockArrayString[i].substring(0,rawBlockArrayString[i].length()-1));
-        }
-        return rawBlockData;
     }
 
     /**