timer system for ui

sources/System/Timer/TimerUISystem.cpp

@@ -0,0 +1,30 @@
+//
+// Created by Zoe Roux on 5/31/21.
+//
+
+#include "TimerUISystem.hpp"
+#include "Component/Timer/TimerComponent.hpp"
+#include "Drawables/2D/Text.hpp"
+
+using namespace std::chrono_literals;
+namespace RAY2D = RAY::Drawables::Drawables2D;
+
+namespace BBM
+{
+	TimerUISystem::TimerUISystem(WAL::Wal &wal)
+		: System(wal)
+	{}
+
+	void TimerUISystem::onUpdate(WAL::ViewEntity<TimerComponent, Drawable2DComponent> &entity, std::chrono::nanoseconds dtime)
+	{
+		auto &timer = entity.get<TimerComponent>();
+		RAY2D::Text *text = dynamic_cast<RAY2D::Text *>(entity.get<Drawable2DComponent>().drawable.get());
+
+		if (text) {
+			unsigned long second = std::chrono::duration_cast<std::chrono::seconds>(timer.ringIn).count();
+			unsigned long minutes = second / 60;
+			second = second % 60;
+			text->setText(std::to_string(minutes) + ":" + std::to_string(second));
+		}
+	}
+}