use new ProjectileHit interface

Author: xNatsuri

server/block/button.go

@@ -78,6 +78,15 @@ func (b Button) Activate(pos cube.Pos, _ cube.Face, tx *world.Tx, _ item.User, _
 	return b.Click(pos, tx)
 }
 
+// ProjectileHit ...
+func (b Button) ProjectileHit(pos cube.Pos, tx *world.Tx, e world.Entity, face cube.Face) {
+	if b.Type == StoneButton() || b.Type == PolishedBlackstoneButton() {
+		return
+	}
+
+	b.Click(pos, tx)
+}
+
 // Click ...
 func (b Button) Click(pos cube.Pos, tx *world.Tx) bool {
 	if b.Pressed {

server/entity/projectile.go

@@ -175,11 +175,6 @@ func (lt *ProjectileBehaviour) Tick(e *Ent, tx *world.Tx) *Movement {
 		if h, ok := tx.Block(bpos).(block.ProjectileHitter); ok {
 			h.ProjectileHit(bpos, tx, e, r.Face())
 		}
-		if b, ok := tx.Block(bpos).(block.Button); ok {
-			if b.Type != block.StoneButton() || b.Type != block.PolishedBlackstoneButton() {
-				b.Click(bpos, tx)
-			}
-		}
 		if t, ok := tx.Block(bpos).(block.Target); ok {
 			if _, ok := e.H().Type().(enderPearlType); !ok {
 				delay := time.Millisecond * 400