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authorJAROWMR <jarorutjes07@gmail.com>2024-12-05 21:10:07 +0100
committerJAROWMR <jarorutjes07@gmail.com>2024-12-05 21:10:07 +0100
commit9604616001ac273f2c966c3c829638e905def7bf (patch)
tree7e958c2b658a4dbc9e79068d7309513efa928937 /src/crepe/system/InputSystem.h
parent018a451051669506be447aa925ecb6a9f5aaf418 (diff)
parent1f4e961d7f9d6887c807cac1a362f2d178b0860b (diff)
merge with master and keypressed added to game
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diff --git a/src/crepe/system/InputSystem.h b/src/crepe/system/InputSystem.h
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+#pragma once
+
+#include "../facade/SDLContext.h"
+#include "../types.h"
+#include "../util/OptionalRef.h"
+
+#include "System.h"
+
+namespace crepe {
+
+class Camera;
+class Button;
+class Transform;
+
+/**
+ * \brief Handles the processing of input events created by SDLContext
+ *
+ * This system processes events such as mouse clicks, mouse movement, and keyboard
+ * actions. It is responsible for detecting interactions with UI buttons and
+ * passing the corresponding events to the registered listeners.
+ */
+class InputSystem : public System {
+public:
+ using System::System;
+
+ /**
+ * \brief Updates the system, processing all input events.
+ * This method processes all events and triggers corresponding actions.
+ */
+ void update() override;
+
+private:
+ //! Stores the last position of the mouse when the button was pressed.
+ ivec2 last_mouse_down_position;
+ // TODO: specify world/hud space and make regular `vec2`
+
+ //! Stores the last mouse button pressed.
+ MouseButton last_mouse_button = MouseButton::NONE;
+
+ //! The maximum allowable distance between mouse down and mouse up to register as a click.
+ const int click_tolerance = 5;
+
+ /**
+ * \brief Handles the mouse click event.
+ * \param mouse_button The mouse button involved in the click.
+ * \param world_mouse_x The X coordinate of the mouse in world space.
+ * \param world_mouse_y The Y coordinate of the mouse in world space.
+ *
+ * This method processes the mouse click event and triggers the corresponding button action.
+ */
+ void handle_click(const MouseButton & mouse_button, const int world_mouse_x,
+ const int world_mouse_y);
+
+ /**
+ * \brief Handles the mouse movement event.
+ * \param event_data The event data containing information about the mouse movement.
+ * \param world_mouse_x The X coordinate of the mouse in world space.
+ * \param world_mouse_y The Y coordinate of the mouse in world space.
+ *
+ * This method processes the mouse movement event and updates the button hover state.
+ */
+ void handle_move(const SDLContext::EventData & event_data, const int world_mouse_x,
+ const int world_mouse_y);
+
+ /**
+ * \brief Checks if the mouse position is inside the bounds of the button.
+ * \param world_mouse_x The X coordinate of the mouse in world space.
+ * \param world_mouse_y The Y coordinate of the mouse in world space.
+ * \param button The button to check.
+ * \param transform The transform component of the button.
+ * \return True if the mouse is inside the button, false otherwise.
+ */
+ bool is_mouse_inside_button(const int world_mouse_x, const int world_mouse_y,
+ const Button & button, const Transform & transform);
+
+ /**
+ * \brief Handles the button press event, calling the on_click callback if necessary.
+ * \param button The button being pressed.
+ *
+ * This method triggers the on_click action for the button when it is pressed.
+ */
+ void handle_button_press(Button & button);
+};
+
+} // namespace crepe