update tests: new scene API

tests/regression/issue_123_chunk_system_test.py

@@ -181,8 +181,8 @@ if __name__ == "__main__":
     print("Issue #123: Grid Sub-grid Chunk System Test")
     print("=" * 60)
 
-    mcrfpy.createScene("test")
-    mcrfpy.setScene("test")
+    test = mcrfpy.Scene("test")
+    test.activate()
 
     # Run tests after scene is active
     mcrfpy.setTimer("test", run_test, 100)

tests/regression/issue_146_fov_returns_none.py

@@ -20,8 +20,8 @@ def run_test(runtime):
     print("=" * 60)
 
     # Create a test grid
-    mcrfpy.createScene("test")
-    ui = mcrfpy.sceneUI("test")
+    test = mcrfpy.Scene("test")
+    ui = test.children
     texture = mcrfpy.Texture("assets/kenney_ice.png", 16, 16)
 
     grid = mcrfpy.Grid(pos=(0,0), size=(400,300), grid_size=(50, 50), texture=texture)
@@ -109,6 +109,6 @@ def run_test(runtime):
     sys.exit(0)
 
 # Initialize and run
-mcrfpy.createScene("init")
-mcrfpy.setScene("init")
+init = mcrfpy.Scene("init")
+init.activate()
 mcrfpy.setTimer("test", run_test, 100)

tests/regression/issue_147_grid_layers.py

@@ -17,8 +17,8 @@ def run_test(runtime):
     print("=" * 60)
 
     # Create test scene
-    mcrfpy.createScene("test")
-    ui = mcrfpy.sceneUI("test")
+    test = mcrfpy.Scene("test")
+    ui = test.children
     texture = mcrfpy.Texture("assets/kenney_ice.png", 16, 16)
 
     # Create grid with explicit empty layers (#150 migration)
@@ -188,6 +188,6 @@ def run_test(runtime):
     sys.exit(0)
 
 # Initialize and run
-mcrfpy.createScene("init")
-mcrfpy.setScene("init")
+init = mcrfpy.Scene("init")
+init.activate()
 mcrfpy.setTimer("test", run_test, 100)

tests/regression/issue_148_layer_dirty_flags.py

@@ -20,14 +20,14 @@ def run_test(runtime):
     print("=" * 60)
 
     # Create test scene
-    mcrfpy.createScene("test")
-    ui = mcrfpy.sceneUI("test")
+    test = mcrfpy.Scene("test")
+    ui = test.children
     texture = mcrfpy.Texture("assets/kenney_ice.png", 16, 16)
 
     # Create grid with larger size for performance testing
     grid = mcrfpy.Grid(pos=(50, 50), size=(500, 400), grid_size=(50, 40), texture=texture)
     ui.append(grid)
-    mcrfpy.setScene("test")
+    test.activate()
 
     print("\n--- Test 1: Layer creation (starts dirty) ---")
     color_layer = grid.add_layer("color", z_index=-1)
@@ -106,7 +106,7 @@ def run_test(runtime):
 
     # First render will be slow (cache miss)
     start = time.time()
-    mcrfpy.setScene("test")  # Force render
+    test.activate()  # Force render
     first_render = time.time() - start
     print(f"  First render (cache build): {first_render*1000:.2f}ms")
 
@@ -152,6 +152,6 @@ def run_test(runtime):
     sys.exit(0)
 
 # Initialize and run
-mcrfpy.createScene("init")
-mcrfpy.setScene("init")
+init = mcrfpy.Scene("init")
+init.activate()
 mcrfpy.setTimer("test", run_test, 100)

tests/regression/issue_37_simple_test.py

@@ -15,7 +15,7 @@ print(f"Current working directory: {os.getcwd()}")
 print(f"Script location: {__file__}")
 
 # Create a simple scene to verify everything is working
-mcrfpy.createScene("issue37_test")
+issue37_test = mcrfpy.Scene("issue37_test")
 
 print("PASS: Issue #37 - Script loading working correctly")
 sys.exit(0)

tests/regression/issue_37_test.py

@@ -27,7 +27,7 @@ def test_script_loading():
         test_script = """
 import mcrfpy
 print("TEST SCRIPT LOADED SUCCESSFULLY")
-mcrfpy.createScene("test_scene")
+test_scene = mcrfpy.Scene("test_scene")
 """
         
         # Save the original game.py

tests/regression/issue_76_test.py

@@ -81,8 +81,8 @@ def run_test(runtime):
     sys.exit(0)
 
 # Set up the test scene
-mcrfpy.createScene("test")
-mcrfpy.setScene("test")
+test = mcrfpy.Scene("test")
+test.activate()
 
 # Schedule test to run after game loop starts
 mcrfpy.setTimer("test", run_test, 100)

tests/regression/issue_79_color_properties_test.py

@@ -163,8 +163,8 @@ def run_test(runtime):
     sys.exit(0)
 
 # Set up the test scene
-mcrfpy.createScene("test")
-mcrfpy.setScene("test")
+test = mcrfpy.Scene("test")
+test.activate()
 
 # Schedule test to run after game loop starts
 mcrfpy.setTimer("test", run_test, 100)

tests/regression/issue_99_texture_font_properties_test.py

@@ -217,8 +217,8 @@ def run_test(runtime):
     sys.exit(0)
 
 # Set up the test scene
-mcrfpy.createScene("test")
-mcrfpy.setScene("test")
+test = mcrfpy.Scene("test")
+test.activate()
 
 # Schedule test to run after game loop starts
 mcrfpy.setTimer("test", run_test, 100)

tests/regression/issue_9_minimal_test.py

@@ -21,7 +21,7 @@ def run_test(runtime):
         grid.h = 300
         
         # Add to scene
-        scene_ui = mcrfpy.sceneUI("test")
+        scene_ui = test.children
         scene_ui.append(grid)
         
         # Test accessing grid points
@@ -60,8 +60,8 @@ def run_test(runtime):
     sys.exit(0)
 
 # Create and set scene
-mcrfpy.createScene("test")
-mcrfpy.setScene("test")
+test = mcrfpy.Scene("test")
+test.activate()
 
 # Schedule test
 mcrfpy.setTimer("test", run_test, 100)

tests/regression/issue_9_rendertexture_resize_test.py

@@ -45,7 +45,7 @@ def test_rendertexture_resize():
     """Test RenderTexture behavior with various grid sizes"""
     print("=== Testing UIGrid RenderTexture Resize (Issue #9) ===\n")
     
-    scene_ui = mcrfpy.sceneUI("test")
+    scene_ui = test.children
     
     # Test 1: Small grid (should work fine)
     print("--- Test 1: Small Grid (400x300) ---")
@@ -222,8 +222,8 @@ def run_test(runtime):
     sys.exit(0)
 
 # Set up the test scene
-mcrfpy.createScene("test")
-mcrfpy.setScene("test")
+test = mcrfpy.Scene("test")
+test.activate()
 
 # Schedule test to run after game loop starts
 mcrfpy.setTimer("test", run_test, 100)

tests/regression/issue_9_test.py

@@ -20,7 +20,7 @@ def run_test(runtime):
         grid.h = 200
         
         # Add grid to scene
-        scene_ui = mcrfpy.sceneUI("test")
+        scene_ui = test.children
         scene_ui.append(grid)
         
         # Take initial screenshot
@@ -82,8 +82,8 @@ def run_test(runtime):
     sys.exit(0)
 
 # Set up the test scene
-mcrfpy.createScene("test")
-mcrfpy.setScene("test")
+test = mcrfpy.Scene("test")
+test.activate()
 
 # Schedule test to run after game loop starts
 mcrfpy.setTimer("test", run_test, 100)

tests/regression/test_type_preservation_solution.py

@@ -78,6 +78,6 @@ def run_test(runtime):
     sys.exit(0)
 
 # Set up scene and run
-mcrfpy.createScene("test")
-mcrfpy.setScene("test")
+test = mcrfpy.Scene("test")
+test.activate()
 mcrfpy.setTimer("test", run_test, 100)