1 files changed, 145 insertions, 0 deletions
diff --git a/src/crepe/api/Event.h b/src/crepe/api/Event.h
new file mode 100644
index 0000000..7d4df21
--- /dev/null
+++ b/src/crepe/api/Event.h
@@ -0,0 +1,145 @@
+#pragma once
+// TODO discussing the location of these events
+
+#include <string>
+
+#include "types.h"
+
+#include "KeyCodes.h"
+
+namespace crepe {
+
+/**
+ * \brief Base struct for all event types in the system.
+ */
+struct Event {};
+
+/**
+ * \brief Event triggered when a key is pressed.
+ */
+struct KeyPressEvent : public Event {
+	//! false if first time press, true if key is repeated
+	bool repeat = false;
+
+	//! The key that was pressed.
+	Keycode key = Keycode::NONE;
+};
+
+/**
+ * \brief Event triggered when a key is released.
+ */
+struct KeyReleaseEvent : public Event {
+	//! The key that was released.
+	Keycode key = Keycode::NONE;
+};
+
+/**
+ * \brief Event triggered when a mouse button is pressed.
+ */
+struct MousePressEvent : public Event {
+	//! mouse position in world coordinates (game units).
+	vec2 mouse_pos = {0, 0};
+
+	//! The mouse button that was pressed.
+	MouseButton button = MouseButton::NONE;
+};
+
+/**
+ * \brief Event triggered when a mouse button is clicked (press and release).
+ */
+struct MouseClickEvent : public Event {
+	//! mouse position in world coordinates (game units).
+	vec2 mouse_pos = {0, 0};
+
+	//! The mouse button that was clicked.
+	MouseButton button = MouseButton::NONE;
+};
+
+/**
+ * \brief Event triggered when a mouse button is released.
+ */
+struct MouseReleaseEvent : public Event {
+	//! mouse position in world coordinates (game units).
+	vec2 mouse_pos = {0, 0};
+
+	//! The mouse button that was released.
+	MouseButton button = MouseButton::NONE;
+};
+
+/**
+ * \brief Event triggered when the mouse is moved.
+ */
+struct MouseMoveEvent : public Event {
+	//! mouse position in world coordinates (game units).
+	vec2 mouse_pos = {0, 0};
+	//! The change in mouse position relative to the last position (in pixels).
+	ivec2 mouse_delta = {0, 0};
+};
+
+/**
+ * \brief Event triggered when the mouse is moved.
+ */
+struct MouseScrollEvent : public Event {
+	//! mouse position in world coordinates (game units) when the scroll happened.
+	vec2 mouse_pos = {0, 0};
+	//! scroll direction (-1 = down, 1 = up)
+	int scroll_direction = 0;
+	//! scroll amount in y axis (from and away from the person).
+	float scroll_delta = 0;
+};
+
+/**
+ * \brief Event triggered to indicate the application is shutting down.
+ */
+struct ShutDownEvent : public Event {};
+
+/**
+ * \brief Event triggered to indicate the window is overlapped by another window.
+ * 
+ * When two windows overlap the bottom window gets distorted and that window has to be redrawn.
+ */
+struct WindowExposeEvent : public Event {};
+
+/**
+ * \brief Event triggered to indicate the window is resized.
+ */
+struct WindowResizeEvent : public Event {
+	//! new window dimensions
+	ivec2 dimensions = {0, 0};
+};
+
+/**
+ * \brief Event triggered to indicate the window is moved.
+ */
+struct WindowMoveEvent : public Event {
+	//! The change in position relative to the last position (in pixels).
+	ivec2 delta_move = {0, 0};
+};
+
+/**
+ * \brief Event triggered to indicate the window is minimized.
+ */
+struct WindowMinimizeEvent : public Event {};
+
+/**
+ * \brief Event triggered to indicate the window is maximized
+ */
+struct WindowMaximizeEvent : public Event {};
+
+/**
+ * \brief Event triggered to indicate the window gained focus
+ * 
+ * This event is triggered when the window receives focus, meaning it becomes the active window
+ * for user interaction.
+ */
+struct WindowFocusGainEvent : public Event {};
+
+/**
+ * \brief Event triggered to indicate the window lost focus
+ * 
+ * This event is triggered when the window loses focus, meaning it is no longer the active window
+ * for user interaction.
+ */
+struct WindowFocusLostEvent : public Event {};
+
+} // namespace crepe