check if Targets allow a selection

This fixes highlighting when an action needs no targets at all.

1 files changed, 10 insertions, 0 deletions

diff --git a/go/game/targets.go b/go/game/targets.go
index fb393057..58f19dc1 100644
--- a/go/game/targets.go
+++ b/go/game/targets.go
@@ -271,6 +271,16 @@ func (targets *Targets) RequireSelection() bool {
 	return false
 }
 
+func (targets *Targets) AllowSelection() bool {
+	for _, t := range targets.ts {
+		if t.AllowSelection() {
+			return true
+		}
+	}
+
+	return false
+}
+
 func conjunction(constraints ...TargetConstraintFunc) TargetConstraintFunc {
 	return func(t interface{}) error {
 		for _, constraint := range constraints {