Merge pull request #378 from estebanfer/procedural-spawns-optimization #4

Job	Run time
Continuous Integration overlunky MSVC Debug	10m 8s
Continuous Integration spel2.dll MSVC Debug	9m 17s
Continuous Integration overlunky Ninja Debug	8m 18s
Continuous Integration spel2.dll Ninja Debug	7m 30s
Continuous Integration overlunky MSVC Release	17m 23s
Continuous Integration spel2.dll MSVC Release	15m 52s
Continuous Integration overlunky Ninja Release	10m 56s
Continuous Integration spel2.dll Ninja Release	11m 2s
	1h 30m 26s

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