Fixed #1672

core/assets/bundles/bundle.properties

@@ -39,6 +39,8 @@ be.check = Check for updates
 schematic = Schematic
 schematic.add = Save Schematic...
 schematics = Schematics
+schematic.replace = A schematic by that name already exists. Replace it?
+schematic.exists = A schematic by that name already exists.
 schematic.import = Import Schematic...
 schematic.exportfile = Export File
 schematic.importfile = Import File

core/src/mindustry/input/InputHandler.java

@@ -255,10 +255,19 @@ public abstract class InputHandler implements InputProcessor, GestureListener{
         if(lastSchematic == null) return;
 
         ui.showTextInput("$schematic.add", "$name", "", text -> {
-            lastSchematic.tags.put("name", text);
+            Schematic replacement = schematics.all().find(s -> s.name().equals(text));
-            schematics.add(lastSchematic);
+            if(replacement != null){
-            ui.showInfoFade("$schematic.saved");
+                ui.showConfirm("$confirm", "$schematic.replace", () -> {
-            ui.schematics.showInfo(lastSchematic);
+                    schematics.overwrite(replacement, lastSchematic);
+                    ui.showInfoFade("$schematic.saved");
+                    ui.schematics.showInfo(replacement);
+                });
+            }else{
+                lastSchematic.tags.put("name", text);
+                schematics.add(lastSchematic);
+                ui.showInfoFade("$schematic.saved");
+                ui.schematics.showInfo(lastSchematic);
+            }
         });
     }
 

core/src/mindustry/ui/dialogs/SchematicsDialog.java

@@ -90,6 +90,13 @@ public class SchematicsDialog extends FloatingDialog{
 
                             buttons.addImageButton(Icon.pencil, style, () -> {
                                 ui.showTextInput("$schematic.rename", "$name", s.name(), res -> {
+                                    Schematic replacement = schematics.all().find(other -> other.name().equals(res) && other != s);
+                                    if(replacement != null){
+                                        //renaming to an existing schematic is not allowed, as it is not clear how the tags would be merged, and which one should be removed
+                                        ui.showErrorMessage("$schematic.exists");
+                                        return;
+                                    }
+
                                     s.tags.put("name", res);
                                     s.save();
                                     rebuildPane[0].run();

gradle.properties

@@ -1,3 +1,3 @@
 org.gradle.daemon=true
 org.gradle.jvmargs=-Xms256m -Xmx1024m
-archash=c1eab295b1a55397957fd54bec2f37daee0e8b4b
+archash=b8f094ba9916ba5a0ce5b4c9dc0fc3d2d0cf89fd