horse: stringify abilities

horse/skill.go

@@ -44,29 +44,82 @@ type Activation struct {
 // Ability is an individual effect applied by a skill.
 type Ability struct {
 	Type        AbilityType
-	ValueUsage  int8
-	Value       int32
-	Target      int8
+	ValueUsage  AbilityValueUsage
+	Value       TenThousandths
+	Target      AbilityTarget
 	TargetValue int32
 }
 
+func (a Ability) String() string {
+	r := make([]byte, 0, 64)
+	r = append(r, a.Type.String()...)
+	if a.Value != 0 {
+		r = append(r, ' ')
+		r = append(r, a.Value.String()...)
+	}
+	if a.Target != TargetSelf {
+		r = append(r, " to "...)
+		if a.TargetValue > 1 && a.TargetValue < 18 {
+			r = strconv.AppendInt(r, int64(a.TargetValue), 10)
+			r = append(r, ' ')
+		}
+		r = append(r, a.Target.String()...)
+	}
+	if a.ValueUsage != ValueUsageDirect {
+		r = append(r, ' ')
+		r = append(r, a.ValueUsage.String()...)
+	}
+	return string(r)
+}
+
 type AbilityType int8
 
-//go:generate go run golang.org/x/tools/cmd/stringer@v0.41.0 -type AbilityType -trimprefix Ability
+//go:generate go run golang.org/x/tools/cmd/stringer@v0.41.0 -type AbilityType -trimprefix Ability -linecomment
 const (
-	AbilityPassiveSpeed   AbilityType = 1
-	AbilityPassiveStamina AbilityType = 2
-	AbilityPassivePower   AbilityType = 3
-	AbilityPassiveGuts    AbilityType = 4
-	AbilityPassiveWit     AbilityType = 5
-	AbilityGreatEscape    AbilityType = 6
-	AbilityVision         AbilityType = 8
-	AbilityHP             AbilityType = 9
-	AbilityGateDelay      AbilityType = 10
-	AbilityFrenzy         AbilityType = 13
-	AbilityCurrentSpeed   AbilityType = 21
-	AbilityTargetSpeed    AbilityType = 27
-	AbilityLaneSpeed      AbilityType = 28
-	AbilityAccel          AbilityType = 31
-	AbilityLaneChange     AbilityType = 35
+	AbilityPassiveSpeed   AbilityType = 1  // Speed
+	AbilityPassiveStamina AbilityType = 2  // Stamina
+	AbilityPassivePower   AbilityType = 3  // Power
+	AbilityPassiveGuts    AbilityType = 4  // Guts
+	AbilityPassiveWit     AbilityType = 5  // Wit
+	AbilityGreatEscape    AbilityType = 6  // Great Escape
+	AbilityVision         AbilityType = 8  // Vision
+	AbilityHP             AbilityType = 9  // HP
+	AbilityGateDelay      AbilityType = 10 // Gate delay multiplier
+	AbilityFrenzy         AbilityType = 13 // Frenzy
+	AbilityCurrentSpeed   AbilityType = 21 // Current speed
+	AbilityTargetSpeed    AbilityType = 27 // Target speed
+	AbilityLaneSpeed      AbilityType = 28 // Lane change speed
+	AbilityAccel          AbilityType = 31 // Acceleration
+	AbilityLaneChange     AbilityType = 35 // Forced lane change
+)
+
+type AbilityValueUsage int8
+
+//go:generate go run golang.org/x/tools/cmd/stringer@v0.41.0 -type AbilityValueUsage -trimprefix ValueUsage -linecomment
+const (
+	ValueUsageDirect      AbilityValueUsage = 1 // directly
+	ValueUsageTeamSpeed   AbilityValueUsage = 2 // scaling with team Speed
+	ValueUsageTeamStamina AbilityValueUsage = 3 // scaling with team Stamina
+	ValueUsageTeamPower   AbilityValueUsage = 4 // scaling with team Power
+	ValueUsageTeamGuts    AbilityValueUsage = 5 // scaling with team Guts
+	ValueUsageTeamWit     AbilityValueUsage = 6 // scaling with team Wit
+)
+
+type AbilityTarget int8
+
+//go:generate go run golang.org/x/tools/cmd/stringer@v0.41.0 -type AbilityTarget -trimprefix Target -linecomment
+const (
+	TargetSelf          AbilityTarget = 1  // self
+	TargetSympathizers  AbilityTarget = 2  // others with Sympathy
+	TargetInView        AbilityTarget = 4  // others in view
+	TargetFrontmost     AbilityTarget = 7  // frontmost
+	TargetAhead         AbilityTarget = 9  // others ahead
+	TargetBehind        AbilityTarget = 10 // others behind
+	TargetAllTeammates  AbilityTarget = 11 // all teammates
+	TargetStyle         AbilityTarget = 18 // using style
+	TargetRushingAhead  AbilityTarget = 19 // rushing others ahead
+	TargetRushingBehind AbilityTarget = 20 // rushing others behind
+	TargetRushingStyle  AbilityTarget = 21 // rushing using style
+	TargetCharacter     AbilityTarget = 22 // specific character
+	TargetTriggering    AbilityTarget = 23 // whosoever triggered this skill
 )