Implement interaction prompt

Scripts/setup_interaction_prompt.py

@@ -0,0 +1,24 @@
+import unreal
+
+
+def load(path):
+    asset = unreal.EditorAssetLibrary.load_asset(path)
+    if not asset:
+        raise RuntimeError(f"Could not load {path}")
+    return asset
+
+
+def main():
+    game_mode_bp = load("/Game/ThirdPerson/Blueprints/BP_ThirdPersonGameMode")
+    game_mode_cdo = unreal.get_default_object(game_mode_bp.generated_class())
+    hud_class = unreal.load_class(None, "/Script/AgrarianGame.AgrarianDebugHUD")
+    if not hud_class:
+        raise RuntimeError("Could not load /Script/AgrarianGame.AgrarianDebugHUD")
+
+    game_mode_cdo.set_editor_property("hud_class", hud_class)
+    unreal.EditorAssetLibrary.save_loaded_asset(game_mode_bp)
+
+    unreal.log("Agrarian interaction prompt setup complete.")
+
+
+main()

Scripts/verify_interaction_prompt.py

@@ -0,0 +1,42 @@
+import unreal
+
+
+def load(path):
+    asset = unreal.EditorAssetLibrary.load_asset(path)
+    if not asset:
+        raise RuntimeError(f"Could not load {path}")
+    return asset
+
+
+def main():
+    game_mode_bp = load("/Game/ThirdPerson/Blueprints/BP_ThirdPersonGameMode")
+    game_mode_cdo = unreal.get_default_object(game_mode_bp.generated_class())
+    expected_hud_class = unreal.load_class(None, "/Script/AgrarianGame.AgrarianDebugHUD")
+    character_class = unreal.load_class(None, "/Script/AgrarianGame.AgrarianGameCharacter")
+    hud_cdo = unreal.get_default_object(expected_hud_class) if expected_hud_class else None
+    character_cdo = unreal.get_default_object(character_class) if character_class else None
+
+    missing = []
+    if not expected_hud_class:
+        missing.append("could not load AgrarianDebugHUD class")
+    elif game_mode_cdo.get_editor_property("hud_class") != expected_hud_class:
+        missing.append("BP_ThirdPersonGameMode HUD class is not AgrarianDebugHUD")
+    elif hud_cdo:
+        if not bool(hud_cdo.get_editor_property("bShowInteractionPrompt")):
+            missing.append("AgrarianDebugHUD bShowInteractionPrompt is disabled")
+        if float(hud_cdo.get_editor_property("PromptTextScale")) <= 0.0:
+            missing.append("AgrarianDebugHUD PromptTextScale is not positive")
+
+    if not character_class:
+        missing.append("could not load AgrarianGameCharacter class")
+    elif character_cdo:
+        character_cdo.get_editor_property("InteractionPromptText")
+        character_cdo.get_editor_property("FocusedInteractableActor")
+
+    if missing:
+        raise RuntimeError("Interaction prompt verification failed: " + "; ".join(missing))
+
+    unreal.log("Agrarian interaction prompt verification complete.")
+
+
+main()