menu controllable system and buttonComponent

sources/System/MenuControllable/MenuControllableSystem.cpp

@@ -0,0 +1,44 @@
+//
+// Created by Louis Auzuret 06/03/21
+//
+
+#include <algorithm>
+#include "Component/Position/PositionComponent.hpp"
+#include "System/MenuControllable/MenuControllableSystem.hpp"
+#include "Component/Controllable/ControllableComponent.hpp"
+#include "Entity/Entity.hpp"
+
+namespace BBM
+{
+	MenuControllableSystem::MenuControllableSystem()
+		: WAL::System({
+			typeid(ControllableComponent)
+		})
+	{}
+
+	void MenuControllableSystem::onFixedUpdate(WAL::Entity &entity)
+	{
+		auto &controllable = entity.getComponent<ControllableComponent>();
+		auto buttons = ecs.view<<Button>(entities);
+		std::sort(buttons.begin(), buttons.end(),
+		[](WAL::Entity &first, WAL::Entity &second) {
+			auto &posA = first.getComponent<PositionComponent>();
+			auto &posB = second.getComponent<PositionComponent>();
+
+			return (posA.position.y < posB.position.y);
+		});
+		_buttonIndex -= (controllable.move.y > 0);
+		_buttonIndex += (controllable.move.y < 0);
+		if (_buttonIndex < 0)
+			_buttonIndex = buttons.length() - 1;
+		_buttonIndex %= buttons.length();
+		auto currentButton = buttons[_buttonIndex].getComponent<Button>();
+		currentButton.onSelected();
+		if (controllable.bomb)
+			currentButton.onClick();
+		std::for_each_n(buttons.begin(), _buttonIndex,
+		[](WAL::Entity &curr) {
+			curr.getComponent<Button>().onIdle();
+		});
+	}
+}