Directory structure cleanup and organization overhaul

tests/demos/debug_astar_demo.py

@@ -0,0 +1,99 @@
+#!/usr/bin/env python3
+"""Debug the astar_vs_dijkstra demo issue"""
+
+import mcrfpy
+import sys
+
+# Same setup as the demo
+start_pos = (5, 10)
+end_pos = (25, 10)
+
+print("Debugging A* vs Dijkstra demo...")
+print(f"Start: {start_pos}, End: {end_pos}")
+
+# Create scene and grid
+mcrfpy.createScene("debug")
+grid = mcrfpy.Grid(grid_x=30, grid_y=20)
+
+# Initialize all as floor
+print("\nInitializing 30x20 grid...")
+for y in range(20):
+    for x in range(30):
+        grid.at(x, y).walkable = True
+
+# Test path before obstacles
+print("\nTest 1: Path with no obstacles")
+path1 = grid.compute_astar_path(start_pos[0], start_pos[1], end_pos[0], end_pos[1])
+print(f"  Path: {path1[:5]}...{path1[-3:] if len(path1) > 5 else ''}")
+print(f"  Length: {len(path1)}")
+
+# Add obstacles from the demo
+obstacles = [
+    # Vertical wall with gaps
+    [(15, y) for y in range(3, 17) if y not in [8, 12]],
+    # Horizontal walls
+    [(x, 5) for x in range(10, 20)],
+    [(x, 15) for x in range(10, 20)],
+    # Maze-like structure
+    [(x, 10) for x in range(20, 25)],
+    [(25, y) for y in range(5, 15)],
+]
+
+print("\nAdding obstacles...")
+wall_count = 0
+for obstacle_group in obstacles:
+    for x, y in obstacle_group:
+        grid.at(x, y).walkable = False
+        wall_count += 1
+        if wall_count <= 5:
+            print(f"  Wall at ({x}, {y})")
+
+print(f"  Total walls added: {wall_count}")
+
+# Check specific cells
+print(f"\nChecking key positions:")
+print(f"  Start ({start_pos[0]}, {start_pos[1]}): walkable={grid.at(start_pos[0], start_pos[1]).walkable}")
+print(f"  End ({end_pos[0]}, {end_pos[1]}): walkable={grid.at(end_pos[0], end_pos[1]).walkable}")
+
+# Check if path is blocked
+print(f"\nChecking horizontal line at y=10:")
+blocked_x = []
+for x in range(30):
+    if not grid.at(x, 10).walkable:
+        blocked_x.append(x)
+
+print(f"  Blocked x positions: {blocked_x}")
+
+# Test path with obstacles
+print("\nTest 2: Path with obstacles")
+path2 = grid.compute_astar_path(start_pos[0], start_pos[1], end_pos[0], end_pos[1])
+print(f"  Path: {path2}")
+print(f"  Length: {len(path2)}")
+
+# Check if there's any path at all
+if not path2:
+    print("\n  No path found! Checking why...")
+    
+    # Check if we can reach the vertical wall gap
+    print("\n  Testing path to wall gap at (15, 8):")
+    path_to_gap = grid.compute_astar_path(start_pos[0], start_pos[1], 15, 8)
+    print(f"    Path to gap: {path_to_gap}")
+    
+    # Check from gap to end
+    print("\n  Testing path from gap (15, 8) to end:")
+    path_from_gap = grid.compute_astar_path(15, 8, end_pos[0], end_pos[1])
+    print(f"    Path from gap: {path_from_gap}")
+
+# Check walls more carefully
+print("\nDetailed wall analysis:")
+print("  Walls at x=25 (blocking end?):")
+for y in range(5, 15):
+    print(f"    ({25}, {y}): walkable={grid.at(25, y).walkable}")
+
+def timer_cb(dt):
+    sys.exit(0)
+
+ui = mcrfpy.sceneUI("debug")
+ui.append(grid)
+mcrfpy.setScene("debug")
+mcrfpy.setTimer("exit", timer_cb, 100)