From d2ce5b7362a08d020c0bcf5e1336f85df233e32b Mon Sep 17 00:00:00 2001
From: FourIsTheNumber <33456283+FourIsTheNumber@users.noreply.github.com>
Date: Sat, 4 Jul 2026 20:02:17 -0400
Subject: [PATCH] Add postea transformer for microblock items (#48)

---
 dependencies.gradle                           |  1 +
 .../compat/ItemMicroPartTransformer.java      | 29 +++++++++++++++++++
 .../microblock/compat/PosteaCompat.java       | 11 +++++++
 .../microblock/handler/proxies.scala          |  4 +++
 4 files changed, 45 insertions(+)
 create mode 100644 src/main/scala/codechicken/microblock/compat/ItemMicroPartTransformer.java
 create mode 100644 src/main/scala/codechicken/microblock/compat/PosteaCompat.java

diff --git a/dependencies.gradle b/dependencies.gradle
index 08c7828..9a1a671 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -3,6 +3,7 @@
 dependencies {
     implementation("com.github.GTNewHorizons:CodeChickenCore:1.4.12:dev")
     compileOnly("com.github.GTNewHorizons:Angelica:2.1.19:dev")
+    compileOnly("com.github.GTNewHorizons:Postea:1.2.5:dev") {transitive = false}
     devOnlyNonPublishable("com.github.GTNewHorizons:NotEnoughItems:2.8.93-GTNH:dev") {
         exclude group: 'com.github.GTNewHorizons', module: 'CodeChickenCore'
     }
diff --git a/src/main/scala/codechicken/microblock/compat/ItemMicroPartTransformer.java b/src/main/scala/codechicken/microblock/compat/ItemMicroPartTransformer.java
new file mode 100644
index 0000000..e934af6
--- /dev/null
+++ b/src/main/scala/codechicken/microblock/compat/ItemMicroPartTransformer.java
@@ -0,0 +1,29 @@
+package codechicken.microblock.compat;
+
+import net.minecraft.nbt.NBTTagCompound;
+
+import com.gtnewhorizons.postea.api.IItemStackTransformationHandler;
+
+import codechicken.microblock.MicroMaterialRegistry;
+
+public class ItemMicroPartTransformer implements IItemStackTransformationHandler {
+
+    @Override
+    public boolean apply(String originalItemId, NBTTagCompound stackTag) {
+        if (!stackTag.hasKey("tag")) return false;
+        NBTTagCompound tag = stackTag.getCompoundTag("tag");
+        if (!tag.hasKey("mat")) return false;
+
+        String matName = tag.getString("mat");
+
+        // Goes through the remap layer, which is private
+        int remappedId = MicroMaterialRegistry.materialID(matName);
+        String remappedName = MicroMaterialRegistry.materialName(remappedId);
+
+        if (remappedName.equals(matName)) return false;
+
+        tag.setString("mat", remappedName);
+        stackTag.setTag("tag", tag);
+        return true;
+    }
+}
diff --git a/src/main/scala/codechicken/microblock/compat/PosteaCompat.java b/src/main/scala/codechicken/microblock/compat/PosteaCompat.java
new file mode 100644
index 0000000..0967432
--- /dev/null
+++ b/src/main/scala/codechicken/microblock/compat/PosteaCompat.java
@@ -0,0 +1,11 @@
+package codechicken.microblock.compat;
+
+import com.gtnewhorizons.postea.api.ItemStackReplacementManager;
+
+public class PosteaCompat {
+
+    public static void registerTransformers() {
+        ItemStackReplacementManager
+                .addTransformationHandler("ForgeMicroblock:microblock", new ItemMicroPartTransformer());
+    }
+}
diff --git a/src/main/scala/codechicken/microblock/handler/proxies.scala b/src/main/scala/codechicken/microblock/handler/proxies.scala
index bbe7e21..a1a5e36 100644
--- a/src/main/scala/codechicken/microblock/handler/proxies.scala
+++ b/src/main/scala/codechicken/microblock/handler/proxies.scala
@@ -16,6 +16,7 @@ import net.minecraftforge.oredict.OreDictionary
 import net.minecraft.item.ItemStack
 import net.minecraftforge.oredict.ShapedOreRecipe
 import codechicken.lib.packet.PacketCustom
+import codechicken.microblock.compat.PosteaCompat
 import cpw.mods.fml.common.Loader
 import cpw.mods.fml.common.registry.GameRegistry
 import net.minecraft.client.renderer.RenderBlocks
@@ -110,6 +111,9 @@ class MicroblockProxy_serverImpl {
       MicroblockSPH.registryChannel,
       MicroblockSPH
     )
+    if (Loader.isModLoaded("postea")) {
+      PosteaCompat.registerTransformers()
+    }
   }
 }