Fix Import/Export Interfaces filters loading order

Fixes #86

Author: Aedial

CHANGELOG.md

@@ -13,6 +13,11 @@ The format is based on Keep a Changelog and this project adheres to Semantic Ver
 - Fix all Subnet Proxy issues (as if)
 
 
+## [0.6.5-beta] - 2026-07-08
+### Fixed
+- Fix Import/Export Interfaces loading filters from memory cards in the wrong order.
+
+
 ## [0.6.4-beta5] - 2026-07-07
 ### Fixed
 - Fix Subnet Proxy sometimes loading with an empty front-side view after a restart, by forcing a fresh relist when load-time front-grid churn invalidates the proxy's snapshot baseline before the final network is ready.

gradle.properties

@@ -15,7 +15,7 @@ enable_junit_testing = false
 show_testing_output = false
 
 # Mod Information
-mod_version = 0.6.4-beta5
+mod_version = 0.6.5-beta
 root_package = com.cells
 mod_id = cells
 mod_name = C.E.L.L.S

src/main/java/com/cells/blocks/interfacebase/AbstractResourceInterfaceLogic.java

@@ -1209,8 +1209,11 @@ public void uploadSettings(NBTTagCompound compound, EntityPlayer player) {
     protected void mergeFiltersFromNBT(NBTTagCompound data, String name, @Nullable EntityPlayer player) {
         if (!data.hasKey(name)) return;
 
-        // Read source filters into temporary array
+        // Read source filters into temporary array in their original slot order,
+        // so we can merge them into the current filter inventory.
         List<R> sourceFilters = new ArrayList<>();
+        for (int i = 0; i < FILTER_SLOTS; i++) sourceFilters.add(null);
+
         NBTTagCompound filtersMap = data.getCompoundTag(name);
         for (String key : filtersMap.getKeySet()) {
             if (!key.startsWith("#")) continue;
@@ -1222,7 +1225,7 @@ protected void mergeFiltersFromNBT(NBTTagCompound data, String name, @Nullable E
                 NBTTagCompound filterTag = filtersMap.getCompoundTag(key);
                 if (filterTag.isEmpty()) continue;
 
-                sourceFilters.add(readResourceFromNBT(filterTag));
+                sourceFilters.set(slot, readResourceFromNBT(filterTag));
             } catch (NumberFormatException ignored) {
             }
         }

src/main/java/com/cells/blocks/interfacebase/managers/InterfaceInventoryManager.java

@@ -729,13 +729,16 @@ public int findSlotByKey(@Nonnull K key) {
      * Merge filters from NBT (memory card upload), skipping duplicates.
      * Reports skipped filters to the player as a chat message.
      *
-     * @param sourceFilters Array of source filters to merge (may contain nulls)
+     * @param sourceFilters Source filters to merge, in source slot order (may contain nulls)
      * @param player Player to notify about skipped filters, or null
      */
     public void mergeFilters(List<R> sourceFilters, @Nullable EntityPlayer player) {
         List<R> skippedFilters = new ArrayList<>();
 
-        for (R sourceFilter : sourceFilters) {
+        int sourceSlotCount = Math.min(sourceFilters.size(), FILTER_SLOTS);
+
+        for (int sourceSlot = 0; sourceSlot < sourceSlotCount; sourceSlot++) {
+            R sourceFilter = sourceFilters.get(sourceSlot);
             if (sourceFilter == null) continue;
 
             K sourceKey = this.ops.createKey(sourceFilter);
@@ -744,8 +747,8 @@ public void mergeFilters(List<R> sourceFilters, @Nullable EntityPlayer player) {
             // Skip if filter already exists in target
             if (this.filterToSlotMap.containsKey(sourceKey)) continue;
 
-            // Find an empty slot
-            int targetSlot = findEmptyFilterSlot();
+            // Restore into the original slot when possible so per-slot settings stay aligned.
+            int targetSlot = this.filters[sourceSlot] == null ? sourceSlot : findEmptyFilterSlot();
             if (targetSlot < 0) {
                 skippedFilters.add(this.ops.copy(sourceFilter));
                 continue;