1 files changed, 44 insertions, 0 deletions
diff --git a/order.go b/order.go
new file mode 100644
index 0000000..13c1b09
--- /dev/null
+++ b/order.go
@@ -0,0 +1,44 @@
+package main
+
+import "golang.org/x/exp/slog"
+
+type Order interface {
+	Update(e *Entity, g *Game)
+}
+
+type PatrolOrder struct {
+	origin      Point
+	destination Point
+}
+
+func (o *PatrolOrder) Update(e *Entity, g *Game) {
+	if e.Position.IsEnabled && e.Move.IsEnabled && e.Order.IsEnabled {
+		if !e.Move.Value.IsActive {
+			moveMap := g.getMoveMap()
+			if e.Position.Value == o.destination {
+				e.StartMove(o.origin, moveMap)
+			} else {
+				e.StartMove(o.destination, moveMap)
+			}
+		}
+	}
+}
+
+func (e *Entity) UpdateOrder(g *Game) {
+	if e.Order.IsEnabled {
+		if e.Order.Value != nil {
+			e.Order.Value.Update(e, g)
+		}
+	}
+}
+
+func Patrol(e *Entity, destination Point) Order {
+	if e.Selection.IsEnabled && e.Position.IsEnabled && e.Move.IsEnabled && e.Order.IsEnabled {
+		if e.Selection.Value.IsSelected {
+			origin := e.Position.Value
+			slog.Info("patroling between", slog.String("origin", origin.String()), slog.String("destination", destination.String()))
+			e.Order.Value = &PatrolOrder{origin: origin, destination: destination}
+		}
+	}
+	return &PatrolOrder{origin: e.Position.Value, destination: destination}
+}