Move all engine stuff to GoRetro. Still many interactions between game and engine code that there should not be.

component_damage_receiver.go

@@ -0,0 +1,69 @@
+package GoRetro
+
+/*
+ * --------------------
+ * damageReceiver
+ * --------------------
+ * During a collision a damageReciever handles damage from
+ * a damageGiver
+ */
+
+type damageReceiver struct {
+	container *Element
+	health    float64
+}
+
+func NewDamageReceiver(container *Element, health float64) *damageReceiver {
+	return &damageReceiver{
+		container: container,
+		health:    health,
+	}
+}
+
+func (dr *damageReceiver) onDraw() error {
+	return nil
+}
+
+func (dr *damageReceiver) onUpdate() error {
+	// If we're out of health
+	if dr.health <= 0 {
+		// If we have an animator, run the destroy sequence
+		if dr.container.checkComponentIsPresent(&animator{}) {
+			ani := dr.container.getComponent(&animator{}).(*animator)
+
+			// If the sequence can't get set (doesn't exist) just remove us
+			if !ani.setSequence("destroy") {
+				dr.container.Active = false
+				dr.container.Delete = true
+			}
+		}
+
+		// Stop any movers we have
+		if dr.container.checkComponentIsPresent(&moverLinear{}) {
+			lm := dr.container.getComponent(&moverLinear{}).(*moverLinear)
+			lm.speed = 0
+		}
+		if dr.container.checkComponentIsPresent(&moverKeyboard{}) {
+			km := dr.container.getComponent(&moverKeyboard{}).(*moverKeyboard)
+			km.speed = 0
+		}
+	}
+
+	// If we've finished our destroy animation then we're not active and can be removed
+	if dr.container.checkComponentIsPresent(&animator{}) {
+		ani := dr.container.getComponent(&animator{}).(*animator)
+		if ani.finished && ani.current == "destroy" {
+			dr.container.Active = false
+			dr.container.Delete = true
+		}
+	}
+	/*if debugTick {
+		fmt.Printf("health is %f\n", dr.health)
+	}*/
+
+	return nil
+}
+
+func (dr *damageReceiver) onCollision(other *Element) error {
+	return nil
+}