Timer overhaul: update tests

tests/demo/demo_main.py

@@ -114,7 +114,7 @@ class DemoRunner:
         self.current_index = 0
         self.render_wait = 0
 
-        def screenshot_cycle(runtime):
+        def screenshot_cycle(timer, runtime):
             if self.render_wait == 0:
                 # Set scene and wait for render
                 if self.current_index >= len(self.screens):
@@ -139,7 +139,7 @@ class DemoRunner:
                     print("Done!")
                     sys.exit(0)
 
-        mcrfpy.setTimer("screenshot", screenshot_cycle, 50)
+        self.screenshot_timer = mcrfpy.Timer("screenshot", screenshot_cycle, 50)
 
     def run_interactive(self):
         """Run in interactive mode with menu."""

tests/demo/perspective_patrol_demo.py

@@ -126,9 +126,10 @@ def setup_scene():
     patrol_demo.on_key = on_keypress
 
     # Start patrol timer
-    mcrfpy.setTimer("patrol", patrol_step, move_timer_ms)
+    global patrol_timer
+    patrol_timer = mcrfpy.Timer("patrol", patrol_step, move_timer_ms)
 
-def patrol_step(runtime):
+def patrol_step(timer, runtime):
     """Move entity one step toward current waypoint"""
     global current_waypoint, patrol_paused
 

tests/demo/screens/focus_system_demo.py

@@ -784,12 +784,12 @@ def run_demo():
     demo_state = create_demo_scene()
 
     # Set up exit timer for headless testing
-    def check_exit(dt):
+    def check_exit(timer, dt):
         # In headless mode, exit after a short delay
         # In interactive mode, this won't trigger
         pass
 
-    # mcrfpy.setTimer("demo_check", check_exit, 100)
+    # check_exit_timer = mcrfpy.Timer("demo_check", check_exit, 100)
 
 
 # Run if executed directly
@@ -801,8 +801,8 @@ if __name__ == "__main__":
 
     # If --screenshot flag, take a screenshot and exit
     if "--screenshot" in sys.argv or len(sys.argv) > 1:
-        def take_screenshot(dt):
+        def take_screenshot(timer, dt):
             automation.screenshot("focus_demo_screenshot.png")
             print("Screenshot saved: focus_demo_screenshot.png")
             sys.exit(0)
-        mcrfpy.setTimer("screenshot", take_screenshot, 200)
+        screenshot_timer = mcrfpy.Timer("screenshot", take_screenshot, 200, once=True)