merge with wouter/events

1 files changed, 113 insertions, 0 deletions

diff --git a/src/example/events.cpp b/src/example/events.cpp
new file mode 100644
index 0000000..ed519ff
--- /dev/null
+++ b/src/example/events.cpp
@@ -0,0 +1,113 @@
+#include <iostream>
+
+#include <crepe/ComponentManager.h>
+#include <crepe/system/ScriptSystem.h>
+#include <crepe/util/log.h>
+
+#include <crepe/api/BehaviorScript.h>
+#include <crepe/api/Config.h>
+#include <crepe/api/Event.h>
+#include <crepe/api/EventManager.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/api/IKeyListener.h>
+#include <crepe/api/IMouseListener.h>
+#include <crepe/api/KeyCodes.h>
+#include <crepe/api/Script.h>
+#include <crepe/api/Transform.h>
+
+using namespace crepe;
+using namespace std;
+
+class MyScript : public Script, public IKeyListener, public IMouseListener {
+	void update() {
+		// Retrieve component from the same GameObject this script is on
+		Transform & test = get_component<Transform>();
+		dbg_logf("Transform(%.2f, %.2f)", test.position.x, test.position.y);
+	}
+
+	bool on_key_pressed(const KeyPressEvent & event) override {
+		std::cout << "KeyPressed function" << std::endl;
+		this->deactivate_keys();
+		return false;
+	}
+	bool on_key_released(const KeyReleaseEvent & event) override {
+		std::cout << "KeyRelease function" << std::endl;
+		return false;
+	}
+	bool on_mouse_clicked(const MouseClickEvent & event) override {
+		std::cout << "MouseClick function" << std::endl;
+		return false;
+	}
+	bool on_mouse_pressed(const MousePressEvent & event) override {
+		std::cout << "MousePress function" << std::endl;
+		return false;
+	}
+	bool on_mouse_released(const MouseReleaseEvent & event) override {
+		std::cout << "MouseRelease function" << std::endl;
+		return false;
+	}
+	bool on_mouse_moved(const MouseMoveEvent & event) override {
+		std::cout << "MouseMove function" << std::endl;
+		return false;
+	}
+};
+class TestKeyListener : public IKeyListener {
+public:
+	bool on_key_pressed(const KeyPressEvent & event) override {
+		std::cout << "TestKeyListener: Key Pressed - Code: "
+				  << static_cast<int>(event.key) << std::endl;
+		return true; // Return true if the listener should remain active
+	}
+	bool on_key_released(const KeyReleaseEvent & event) override {
+		std::cout << "TestKeyListener: Key Released - Code: "
+				  << static_cast<int>(event.key) << std::endl;
+		return true;
+	}
+};
+int main() {
+	// two events to trigger
+	KeyPressEvent key_press;
+	key_press.key = Keycode::A;
+	key_press.repeat = 0;
+	MouseClickEvent click_event;
+	click_event.button = MouseButton::LEFT_MOUSE;
+	click_event.mouse_x = 100;
+	click_event.mouse_y = 200;
+	// queue events to test queue
+	EventManager::get_instance().queue_event<KeyPressEvent>(
+		std::move(key_press), 0);
+	EventManager::get_instance().queue_event<MouseClickEvent>(
+		std::move(click_event), 0);
+	{
+		TestKeyListener test_listener;
+		test_listener.set_channel(1);
+		auto obj = GameObject(0, "name", "tag", Vector2{1.2, 3.4}, 0, 1);
+		obj.add_component<BehaviorScript>().set_script<MyScript>();
+
+		ScriptSystem sys;
+		sys.update();
+
+		// Trigger the events while `testListener` is in scope
+		EventManager::get_instance().trigger_event<KeyPressEvent>(key_press, 1);
+		EventManager::get_instance().trigger_event(MouseClickEvent{
+    		.mouse_x = 100,
+    		.mouse_y = 100,
+    		.button = MouseButton::LEFT_MOUSE,
+			},1);
+	}
+	// custom lambda event handler
+	EventHandler<KeyPressEvent> event_handler = [](const KeyPressEvent & e) {
+		std::cout << "lambda test" << std::endl;
+		return false;
+	};
+	EventManager::get_instance().subscribe<KeyPressEvent>(
+		std::move(event_handler), 0);
+	// testing trigger with testListener not in scope (unsubscribed)
+	EventManager::get_instance().trigger_event<KeyPressEvent>(key_press, 0);
+	EventManager::get_instance().trigger_event<MouseClickEvent>(click_event, 0);
+	// dispatching queued events
+	EventManager::get_instance().dispatch_events();
+
+	EventManager::get_instance().unsubscribe<KeyPressEvent>(event_handler, 0);
+	return EXIT_SUCCESS;
+}