Rune smart upgrade

Update v3.0.1:

• Lower the efficiency check, 75%->60%

Rune smart upgrade applies to:

• All 6* hero runes.
• Blue swift/violent/will runes when smart level<4
• Legend runes excluded when smart level<3, always keep legend vio/swift/will
• Legend vio/swift/will included in smart level 4.

Valuable substats:

• No valuable sub stats if runes aren’t 6* blue and above
• Only spd is valuable sub stats in blue runes.
• atk%, hp%, def%, cr%, cd% are valuable sub stats if runes are 6* purple and above
• 60% upgrade efficiency required for valuable sub stats.
• Accuracy is valuable only if runes are Focus or Accuracy.
• Resist is valuable only if runes are Endure or Tolerance
• def% is valuable if runes aren’t Fatal.
• atk% is valuable if runes aren’t Guard.

Smart level 1

• Sell if no valuable sub stats found in runes.
• Upgrade runes to level 3, keep if valuable stats upgrade value > 60% MAX upgrade value(60% efficiency)
• Otherwise sell it.

Smart level 2

• Same as level 1 except it repeats to rune level 6.
• keep blue vio/swift/will if spd is upgraded twice.

Smart level 3

• Same as level 2 except it repeats to rune level 9
• Ignore all blue runes even if vio/swift/will

Smart level 4

• Same as level 3 except legend vio/swift/will are included as well.