implement tower tile effect

1 files changed, 18 insertions, 0 deletions

diff --git a/go/game/attack.go b/go/game/attack.go
index 9be465f2..6b33e8d9 100644
--- a/go/game/attack.go
+++ b/go/game/attack.go
@@ -32,6 +32,24 @@ func (a Attack) DamageInRange(r int) int {
 	return a.attacks[r-1]
 }
 
+// Ranged reports if the attack has more range than 1.
+func (a Attack) Ranged() bool {
+	return a.MaxRange() > 1
+}
+
+// Extend increases the MaxRange by amount.
+func (a *Attack) Extend(amount int) {
+	d := a.DamageInRange(a.MaxRange())
+	for range amount {
+		a.attacks = append(a.attacks, d)
+	}
+}
+
+// Shorten decreases the MaxRange by amount.
+func (a *Attack) Shorten(amount int) {
+	a.attacks = a.attacks[:len(a.attacks)-amount]
+}
+
 func (a Attack) String() string {
 	if INVALID_ATTACK(a) {
 		return "invalid attack"