button handling

1 files changed, 52 insertions, 0 deletions

diff --git a/src/crepe/system/InputSystem.cpp b/src/crepe/system/InputSystem.cpp
index e69de29..b7a86f4 100644
--- a/src/crepe/system/InputSystem.cpp
+++ b/src/crepe/system/InputSystem.cpp
@@ -0,0 +1,52 @@
+#include "ComponentManager.h"
+#include "../api/Button.h"
+#include "../api/EventManager.h"
+#include "../api/Transform.h"
+#include "../api/Event.h"
+
+#include "system/InputSystem.h"
+
+using namespace crepe;
+
+InputSystem::InputSystem(ComponentManager &component_manager) 
+    : System(component_manager) {
+    auto &event_manager = EventManager::get_instance();
+
+    event_manager.subscribe<MouseClickEvent>([this](const MouseClickEvent &event) {
+        return this->handle_click(event);
+    });
+
+    event_manager.subscribe<MouseMoveEvent>([this](const MouseMoveEvent &event) {
+        return this->handle_move(event);
+    });
+}
+
+void InputSystem::update() {
+}
+
+bool InputSystem::handle_click(const MouseClickEvent &event) {
+    ComponentManager &mgr = this->component_manager;
+
+    std::vector<std::reference_wrapper<Button>> buttons =
+        mgr.get_components_by_type<Button>();
+	
+	std::vector<std::reference_wrapper<Transform>> transforms =
+        mgr.get_components_by_type<Transform>();
+    for (Button &button : buttons) {
+		for(Transform& transform : transforms){
+			if(button.game_object_id != transform.game_object_id){continue;}
+			if (!button.interactable) {break;}
+            if (event.mouse_x >= transform.position.x && event.mouse_x <= transform.position.x + button.width &&
+                event.mouse_y >= transform.position.y && event.mouse_y <= transform.position.y + button.height) {
+                button.on_click();
+            }
+		}
+    }
+    return false;
+}
+
+bool InputSystem::handle_move(const MouseMoveEvent &event) {
+
+    ComponentManager &mgr = this->component_manager;
+
+}