// Pacing Handler.
// Worthless Bums 2013.


// Pacing Structure:
// 	- High Frequency
//		- "Windshield" enemy units.
//		- Alien Merchants/environment pickups.
//		- Traps.
//	- Medium Frequency
//		- Enemy groups.
//		- Unique/variant/new enemy units.
//		- Grating spawns.
//	- Low Frequency
//		- End of deck bosses.
//		- Random Encounters.
//		- Weapon/Armor upgrades.
//	- Misc/Control Frequency
//		- Survivor recruitment.

// NOTES:
//	- Moving is slow. "Exploration" not engaging to most players.
//	- Spawning behind/between marines can feel cheap.
//	- A
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// Pacing Factors:
//	- Enemy count.
//	- Enemies near squad members.
//	- Enemy strength values?
//	- Terrain/deck level structure.
//	- Squad size.
//	- Squad members' strengths/rank.
//	- Squad gear/inventory.
//	- Boss/unique/variant spawns.
//	- Difficulty level.