From 4ddfd9549f434ce0db2eb99e9fc109198f0047c3 Mon Sep 17 00:00:00 2001
From: Julian Krings <juliankrings6@gmail.com>
Date: Mon, 6 Jul 2026 15:43:11 +0200
Subject: [PATCH] store custom blocks in mantle directly until chunk gen

---
 .../java/com/volmit/iris/engine/mantle/MantleWriter.java | 9 +++++----
 .../java/com/volmit/iris/util/data/IrisCustomData.java   | 1 +
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java b/core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java
index 391bd8eb7..11afa4d7e 100644
--- a/core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java
+++ b/core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java
@@ -35,6 +35,7 @@ import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.function.Function3;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.mantle.MantleChunk;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.Matter;
 import com.volmit.iris.util.matter.MatterCavern;
@@ -209,10 +210,10 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
 
     @Override
     public void set(int x, int y, int z, BlockData d) {
-        if (d instanceof IrisCustomData data) {
-            setData(x, y, z, data.getBase());
-            setData(x, y, z, data.getCustom());
-        } else setData(x, y, z, d);
+        setData(x, y, z, d);
+        if (d instanceof IrisCustomData) {
+            acquireChunk(x >> 4, z >> 4).flag(MantleFlag.CUSTOM_ACTIVE, true);
+        }
     }
 
     @Override
diff --git a/core/src/main/java/com/volmit/iris/util/data/IrisCustomData.java b/core/src/main/java/com/volmit/iris/util/data/IrisCustomData.java
index 062cb50a1..55184b9a2 100644
--- a/core/src/main/java/com/volmit/iris/util/data/IrisCustomData.java
+++ b/core/src/main/java/com/volmit/iris/util/data/IrisCustomData.java
@@ -29,6 +29,7 @@ public interface IrisCustomData extends BlockData {
 							yield false;
 						yield base.matches(store.getBase()) && custom.equals(store.getCustom());
 					}
+					case "getAsString" -> custom.toString();
 					case "equals" -> {
 						if (!(args[0] instanceof IrisCustomData store))
 							yield false;