Returns the difficulty level of the player's AI.
Format: AILevel
Arguments:
Return type: int
Error conditions: none
Details:
If AI is enabled on the player, the value ranges from 1 (easiest) to 8 (most difficult). If AI is not enabled on the player, the return value is 0.
Example:
trigger1 = Random < AILevel * 10
; Triggers with 10% probability at AILevel 1, 20% at AILevel 2, etc.