made player position be fixed248_t

tools/mapcompile/mapcompile.py

@@ -16,6 +16,13 @@ ENTITY_TYPE_MAP = {
   "npc": "ENTITY_TYPE_NPC",
 }
 
+# Helper functions
+def floatToFixed248(value):
+  # Converts a float to the fixed248_t used internally.
+  high24 = int(value) & 0xFFFFFF
+  low8 = int((value * 256.0 - high24) * 256.0) & 0xFF
+  return (high24 << 8) | low8
+
 # Check if the script is run with the correct arguments
 parser = argparse.ArgumentParser(description="Generate chunk header files")
 parser.add_argument('--output', required=True, help='Dir to output headers')
@@ -392,8 +399,8 @@ for ob in objectLayer['objects']:
   if 'x' not in ob or 'y' not in ob:
     print(f"Error: Player spawn object does not contain 'x' or 'y' key.")
     sys.exit(1)
-  playerSpawnX = round(ob['x'])
-  playerSpawnY = round(ob['y'])
+  playerSpawnX = ob['x']
+  playerSpawnY = ob['y']
   break
 
 # Output header file.
@@ -421,7 +428,7 @@ with open(headerPath, 'w') as f:
         f.write("NULL, ")
     f.write("\n")
   f.write("};\n\n")
-  f.write(f"#define WORLD_PLAYER_SPAWN_X {playerSpawnX}\n")
-  f.write(f"#define WORLD_PLAYER_SPAWN_Y {playerSpawnY}\n")
+  f.write(f"#define WORLD_PLAYER_SPAWN_X (fixed248_t){floatToFixed248(playerSpawnX)}\n")
+  f.write(f"#define WORLD_PLAYER_SPAWN_Y (fixed248_t){floatToFixed248(playerSpawnY)}\n")
 
 print(f"chunks.h generated at: {headerPath}")