git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9808 c06c8d41-db1a-0410-9941-cceddc491573
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KZHSG5QTIGINM5K4UXZBWVYEIQSU3Z7C3FZBLER3WBME64NJJE7QC
K2CS6TCX2NDVL2ASEHGP4J4K4IJ6FP3ANNKTSIWVG43HPYSBX6ZQC
2KJ6VEN4TXT3L77WRJJ2ZU2QSJV73YQDPJD4WI7UCMSRXXILXHSAC
if (random2(value) >= random2((type == OBJ_MISSILES) ? 33 : 100)
if (random2(value) >= random2((type == OBJ_MISSILES) ? 10 : 100)