Implement sprinting

Scripts/setup_sprint_input.py

@@ -0,0 +1,88 @@
+import unreal
+
+
+def load(path):
+    asset = unreal.EditorAssetLibrary.load_asset(path)
+    if not asset:
+        raise RuntimeError(f"Could not load {path}")
+    return asset
+
+
+def create_input_action(path):
+    existing = unreal.EditorAssetLibrary.load_asset(path)
+    if existing:
+        return existing
+
+    template_path = "/Game/Input/Actions/IA_Interact"
+    template = unreal.EditorAssetLibrary.load_asset(template_path)
+    if not template:
+        template_path = "/Game/Input/Actions/IA_Jump"
+        template = unreal.EditorAssetLibrary.load_asset(template_path)
+    if not template:
+        raise RuntimeError("Could not load an input action template")
+
+    action = unreal.EditorAssetLibrary.duplicate_asset(template_path, path)
+    if not action:
+        raise RuntimeError(f"Could not create {path}")
+    return action
+
+
+def set_boolean_value_type(action):
+    action.set_editor_property("value_type", unreal.InputActionValueType.BOOLEAN)
+    try:
+        action.set_editor_property("triggers", [])
+    except Exception as exc:
+        unreal.log_warning(f"Could not clear sprint triggers; keeping template defaults: {exc}")
+    unreal.EditorAssetLibrary.save_loaded_asset(action)
+
+
+def mapping_exists(context, action, key_name):
+    mapping_data = context.get_editor_property("default_key_mappings")
+    for mapping in list(mapping_data.get_editor_property("mappings")):
+        mapping_key = mapping.get_editor_property("key")
+        if (
+            mapping.get_editor_property("action") == action
+            and str(mapping_key.get_editor_property("key_name")) == key_name
+        ):
+            return True
+    return False
+
+
+def map_key(context, action, key_name):
+    if mapping_exists(context, action, key_name):
+        unreal.log(f"Mapping already exists: {action.get_name()} -> {key_name}")
+        return
+
+    key = unreal.Key()
+    key.set_editor_property("key_name", key_name)
+
+    mapping_data = context.get_editor_property("default_key_mappings")
+    mappings = list(mapping_data.get_editor_property("mappings"))
+    new_mapping = unreal.EnhancedActionKeyMapping()
+    new_mapping.set_editor_property("action", action)
+    new_mapping.set_editor_property("key", key)
+    mappings.append(new_mapping)
+    mapping_data.set_editor_property("mappings", mappings)
+    context.set_editor_property("default_key_mappings", mapping_data)
+
+    unreal.log(f"Added mapping: {action.get_name()} -> {key_name}")
+
+
+def main():
+    sprint_action = create_input_action("/Game/Input/Actions/IA_Sprint")
+    set_boolean_value_type(sprint_action)
+
+    context = load("/Game/Input/IMC_Default")
+    map_key(context, sprint_action, "LeftShift")
+    map_key(context, sprint_action, "Gamepad_LeftThumbstick")
+    unreal.EditorAssetLibrary.save_loaded_asset(context)
+
+    character_bp = load("/Game/ThirdPerson/Blueprints/BP_ThirdPersonCharacter")
+    character_cdo = unreal.get_default_object(character_bp.generated_class())
+    character_cdo.set_editor_property("SprintAction", sprint_action)
+    unreal.EditorAssetLibrary.save_loaded_asset(character_bp)
+
+    unreal.log("Agrarian sprint input setup complete.")
+
+
+main()

Scripts/verify_sprint_input.py

@@ -0,0 +1,44 @@
+import unreal
+
+
+def load(path):
+    asset = unreal.EditorAssetLibrary.load_asset(path)
+    if not asset:
+        raise RuntimeError(f"Could not load {path}")
+    return asset
+
+
+def mapping_found(context, action, key_name):
+    mapping_data = context.get_editor_property("default_key_mappings")
+    for mapping in list(mapping_data.get_editor_property("mappings")):
+        mapping_key = mapping.get_editor_property("key")
+        if (
+            mapping.get_editor_property("action") == action
+            and str(mapping_key.get_editor_property("key_name")) == key_name
+        ):
+            return True
+    return False
+
+
+def main():
+    action = load("/Game/Input/Actions/IA_Sprint")
+    context = load("/Game/Input/IMC_Default")
+    character_bp = load("/Game/ThirdPerson/Blueprints/BP_ThirdPersonCharacter")
+    character_cdo = unreal.get_default_object(character_bp.generated_class())
+
+    missing = []
+    for key_name in ["LeftShift", "Gamepad_LeftThumbstick"]:
+        if not mapping_found(context, action, key_name):
+            missing.append(f"missing mapping {key_name}")
+
+    assigned_action = character_cdo.get_editor_property("SprintAction")
+    if assigned_action != action:
+        missing.append("BP_ThirdPersonCharacter SprintAction is not IA_Sprint")
+
+    if missing:
+        raise RuntimeError("Sprint input verification failed: " + "; ".join(missing))
+
+    unreal.log("Agrarian sprint input verification complete.")
+
+
+main()