From a98a7ba227cc57233135e4c952da5a8239c14cd2 Mon Sep 17 00:00:00 2001
From: WMF <87574232+WMF-Industries@users.noreply.github.com>
Date: Sun, 13 Sep 2026 05:28:09 +0200
Subject: [PATCH] yet another requiredPlanets fix (#12649)

---
 core/src/mindustry/io/SaveVersion.java | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/core/src/mindustry/io/SaveVersion.java b/core/src/mindustry/io/SaveVersion.java
index 72a76670b2..805f6f78e3 100644
--- a/core/src/mindustry/io/SaveVersion.java
+++ b/core/src/mindustry/io/SaveVersion.java
@@ -6,6 +6,7 @@ import arc.math.geom.*;
 import arc.struct.*;
 import arc.util.*;
 import arc.util.io.*;
+import arc.util.serialization.*;
 import mindustry.content.*;
 import mindustry.content.TechTree.*;
 import mindustry.core.*;
@@ -554,6 +555,14 @@ public abstract class SaveVersion extends SaveFileReader{
     public void readDataPatches(DataInput stream, SaveReadState saveState) throws IOException{
         stream.readInt(); //version - ignored for now
 
+        //the requiredPlanets filter needs this, since the rules aren't read yet
+        if(headless){
+            try{
+                Planet planet = content.planet(new JsonReader().parse(saveState.ruleString).getString("planet", Planets.serpulo.name));
+                state.rules.planet = planet == null ? Planets.serpulo : planet;
+            }catch(Exception ignored){}
+        }
+
         int total = stream.readInt();
         Seq<DataAsset> assets = new Seq<>(total);