horsegen: skill activation duration scaling

horse/skill.go

@@ -46,6 +46,7 @@ type Activation struct {
 	Precondition string
 	Condition    string
 	Duration     TenThousandths
+	DurScale     DurScale
 	Cooldown     TenThousandths
 	Abilities    []Ability
 }
@@ -126,6 +127,18 @@ func (a Ability) String() string {
 	return string(r)
 }
 
+type DurScale int8
+
+//go:generate go run golang.org/x/tools/cmd/stringer@v0.41.0 -type DurScale -trimprefix Duration -linecomment
+const (
+	DurationDirect        DurScale = 1 // directly
+	DurationFrontDistance DurScale = 2 // scaling with distance from the front
+	DurationRemainingHP   DurScale = 3 // scaling with remaining HP
+	DurationIncrementPass DurScale = 4 // increasing with each pass while active
+	DurationMidSideBlock  DurScale = 5 // scaling with mid-race phase blocked side time
+	DurationRemainingHP2  DurScale = 7 // scaling with remaining HP
+)
+
 type AbilityType int8
 
 //go:generate go run golang.org/x/tools/cmd/stringer@v0.41.0 -type AbilityType -trimprefix Ability -linecomment