Just what it should be allowed to see.
The AI has no more knowledge than a player would have in its position.
The *only* cheating occurs on the highest difficulty levels, where the cheating is just an economy bonus.
The lower difficulty levels disable some of the AI's smarter characteristics, building up to "Tough" (iirc), where the AI is getting no econ bonuses or penalties, and is using all its tricks. Difficulties above that use the same tricks, with econ bonuses.
Just what it should be allowed to see. The AI has no more knowledge than a player would have in its position. The *only* cheating occurs on the highest difficulty levels, where the cheating is just an economy bonus. The lower difficulty levels disable some of the AI's smarter characteristics, building up to "Tough" (iirc), where the AI is getting no econ bonuses or penalties, and is using all its tricks. Difficulties above that use the same tricks, with econ bonuses.