This kind of element specifies various features of scenery objects, including size and solidity. Each individual type of scenery object is specified with a <object> child element, which has these attributes:

• index: which one of the scenery-object types (mandatory)
• flags: various features; get this value by adding the numerical values corresponding to the desired features:
  • 1 (hex 0001) Solid (can't pass through it)
  • 2 (hex 0002) Animated
  • 4 (hex 0004) Destroyable
• radius: horizontal dimension in internal units, for doing collision detection.
• height: vertical dimension like above; if negative, then object's extent downward from reference point (good for ceiling objects).
• destruction: effect to make when destroyed (-1 is none).