Merge branch 'wouter/inputSystem' of github.com:lonkaars/crepe

1 files changed, 135 insertions, 31 deletions

diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h
index bcadf87..8f4760e 100644
--- a/src/crepe/facade/SDLContext.h
+++ b/src/crepe/facade/SDLContext.h
@@ -9,17 +9,18 @@
 #include <functional>
 #include <memory>
 #include <string>
+#include <unordered_map>
 
+#include "../types.h"
 #include "api/Camera.h"
 #include "api/Color.h"
 #include "api/KeyCodes.h"
 #include "api/Sprite.h"
 #include "api/Transform.h"
 
-#include "types.h"
+#include "EventData.h"
 
 namespace crepe {
-
 class Texture;
 class Mediator;
 
@@ -69,29 +70,11 @@ public:
 	};
 
 public:
-	//! EventType enum for passing eventType
-	enum EventType {
-		NONE = 0,
-		MOUSEDOWN,
-		MOUSEUP,
-		MOUSEMOVE,
-		MOUSEWHEEL,
-		KEYUP,
-		KEYDOWN,
-		SHUTDOWN,
-
-	};
-	//! EventData struct for passing event data from facade
-	struct EventData {
-		SDLContext::EventType event_type = SDLContext::EventType::NONE;
-		Keycode key = Keycode::NONE;
-		bool key_repeat = false;
-		MouseButton mouse_button = MouseButton::NONE;
-		ivec2 mouse_position = {-1, -1};
-		int scroll_direction = -1;
-		float scroll_delta = INFINITY;
-		ivec2 rel_mouse_move = {-1, -1};
-	};
+	/**
+	 * \brief Gets the singleton instance of SDLContext.
+	 * \return Reference to the SDLContext instance.
+	 */
+	static SDLContext & get_instance();
 
 public:
 	SDLContext(const SDLContext &) = delete;
@@ -122,18 +105,25 @@ public:
 	 *
 	 * \return Events that occurred since last call to `get_events()`
 	 */
-	std::vector<SDLContext::EventData> get_events();
-
+	std::vector<EventData> get_events();
 	/**
-	 * \brief Converts an SDL key code to the custom Keycode type.
+	 * \brief Fills event_list with triggered window events
 	 *
-	 * This method maps an SDL key code to the corresponding `Keycode` enum value,
+	 * This method checks if any window events are triggered and adds them to the event_list.
+	 *
+	 */
+	void handle_window_event(const SDL_WindowEvent & window_event,
+							 std::vector<EventData> & event_list);
+	/**
+	 * \brief Converts an SDL scan code to the custom Keycode type.
+	 *
+	 * This method maps an SDL scan code to the corresponding `Keycode` enum value,
 	 * which is used internally by the system to identify the keys.
 	 *
-	 * \param sdl_key The SDL key code to convert.
+	 * \param sdl_key The SDL scan code to convert.
 	 * \return The corresponding `Keycode` value or `Keycode::NONE` if the key is unrecognized.
 	 */
-	Keycode sdl_to_keycode(SDL_Keycode sdl_key);
+	Keycode sdl_to_keycode(SDL_Scancode sdl_key);
 
 	/**
 	 * \brief Converts an SDL mouse button code to the custom MouseButton type.
@@ -145,6 +135,16 @@ public:
 	 * \return The corresponding `MouseButton` value or `MouseButton::NONE` if the key is unrecognized
 	 */
 	MouseButton sdl_to_mousebutton(Uint8 sdl_button);
+	/**
+	 * \brief Gets the current state of the keyboard.
+	 *
+	 * Updates the internal keyboard state by checking the current key states using
+	 * SDL's `SDL_GetKeyboardState()`, and returns a reference to the `keyboard_state_t`.
+	 *
+	 * \return A constant reference to the `keyboard_state_t`, which holds the state
+	 *         of each key (true = pressed, false = not pressed).
+	 */
+	const keyboard_state_t & get_keyboard_state();
 
 public:
 	/**
@@ -240,6 +240,110 @@ private:
 	 * - this is defined in this class because get_events() needs this information aswell
 	 */
 	CameraAuxiliaryData cam_aux_data;
+
+private:
+	//! variable to store the state of each key (true = pressed, false = not pressed)
+	keyboard_state_t keyboard_state;
+	//! lookup table for converting SDL_SCANCODES to Keycodes
+	const std::unordered_map<SDL_Scancode, Keycode> LOOKUP_TABLE
+		= {{SDL_SCANCODE_SPACE, Keycode::SPACE},
+		   {SDL_SCANCODE_APOSTROPHE, Keycode::APOSTROPHE},
+		   {SDL_SCANCODE_COMMA, Keycode::COMMA},
+		   {SDL_SCANCODE_MINUS, Keycode::MINUS},
+		   {SDL_SCANCODE_PERIOD, Keycode::PERIOD},
+		   {SDL_SCANCODE_SLASH, Keycode::SLASH},
+		   {SDL_SCANCODE_0, Keycode::D0},
+		   {SDL_SCANCODE_1, Keycode::D1},
+		   {SDL_SCANCODE_2, Keycode::D2},
+		   {SDL_SCANCODE_3, Keycode::D3},
+		   {SDL_SCANCODE_4, Keycode::D4},
+		   {SDL_SCANCODE_5, Keycode::D5},
+		   {SDL_SCANCODE_6, Keycode::D6},
+		   {SDL_SCANCODE_7, Keycode::D7},
+		   {SDL_SCANCODE_8, Keycode::D8},
+		   {SDL_SCANCODE_9, Keycode::D9},
+		   {SDL_SCANCODE_SEMICOLON, Keycode::SEMICOLON},
+		   {SDL_SCANCODE_EQUALS, Keycode::EQUAL},
+		   {SDL_SCANCODE_A, Keycode::A},
+		   {SDL_SCANCODE_B, Keycode::B},
+		   {SDL_SCANCODE_C, Keycode::C},
+		   {SDL_SCANCODE_D, Keycode::D},
+		   {SDL_SCANCODE_E, Keycode::E},
+		   {SDL_SCANCODE_F, Keycode::F},
+		   {SDL_SCANCODE_G, Keycode::G},
+		   {SDL_SCANCODE_H, Keycode::H},
+		   {SDL_SCANCODE_I, Keycode::I},
+		   {SDL_SCANCODE_J, Keycode::J},
+		   {SDL_SCANCODE_K, Keycode::K},
+		   {SDL_SCANCODE_L, Keycode::L},
+		   {SDL_SCANCODE_M, Keycode::M},
+		   {SDL_SCANCODE_N, Keycode::N},
+		   {SDL_SCANCODE_O, Keycode::O},
+		   {SDL_SCANCODE_P, Keycode::P},
+		   {SDL_SCANCODE_Q, Keycode::Q},
+		   {SDL_SCANCODE_R, Keycode::R},
+		   {SDL_SCANCODE_S, Keycode::S},
+		   {SDL_SCANCODE_T, Keycode::T},
+		   {SDL_SCANCODE_U, Keycode::U},
+		   {SDL_SCANCODE_V, Keycode::V},
+		   {SDL_SCANCODE_W, Keycode::W},
+		   {SDL_SCANCODE_X, Keycode::X},
+		   {SDL_SCANCODE_Y, Keycode::Y},
+		   {SDL_SCANCODE_Z, Keycode::Z},
+		   {SDL_SCANCODE_LEFTBRACKET, Keycode::LEFT_BRACKET},
+		   {SDL_SCANCODE_BACKSLASH, Keycode::BACKSLASH},
+		   {SDL_SCANCODE_RIGHTBRACKET, Keycode::RIGHT_BRACKET},
+		   {SDL_SCANCODE_GRAVE, Keycode::GRAVE_ACCENT},
+		   {SDL_SCANCODE_ESCAPE, Keycode::ESCAPE},
+		   {SDL_SCANCODE_RETURN, Keycode::ENTER},
+		   {SDL_SCANCODE_TAB, Keycode::TAB},
+		   {SDL_SCANCODE_BACKSPACE, Keycode::BACKSPACE},
+		   {SDL_SCANCODE_INSERT, Keycode::INSERT},
+		   {SDL_SCANCODE_DELETE, Keycode::DELETE},
+		   {SDL_SCANCODE_RIGHT, Keycode::RIGHT},
+		   {SDL_SCANCODE_LEFT, Keycode::LEFT},
+		   {SDL_SCANCODE_DOWN, Keycode::DOWN},
+		   {SDL_SCANCODE_UP, Keycode::UP},
+		   {SDL_SCANCODE_PAGEUP, Keycode::PAGE_UP},
+		   {SDL_SCANCODE_PAGEDOWN, Keycode::PAGE_DOWN},
+		   {SDL_SCANCODE_HOME, Keycode::HOME},
+		   {SDL_SCANCODE_END, Keycode::END},
+		   {SDL_SCANCODE_CAPSLOCK, Keycode::CAPS_LOCK},
+		   {SDL_SCANCODE_SCROLLLOCK, Keycode::SCROLL_LOCK},
+		   {SDL_SCANCODE_NUMLOCKCLEAR, Keycode::NUM_LOCK},
+		   {SDL_SCANCODE_PRINTSCREEN, Keycode::PRINT_SCREEN},
+		   {SDL_SCANCODE_PAUSE, Keycode::PAUSE},
+		   {SDL_SCANCODE_F1, Keycode::F1},
+		   {SDL_SCANCODE_F2, Keycode::F2},
+		   {SDL_SCANCODE_F3, Keycode::F3},
+		   {SDL_SCANCODE_F4, Keycode::F4},
+		   {SDL_SCANCODE_F5, Keycode::F5},
+		   {SDL_SCANCODE_F6, Keycode::F6},
+		   {SDL_SCANCODE_F7, Keycode::F7},
+		   {SDL_SCANCODE_F8, Keycode::F8},
+		   {SDL_SCANCODE_F9, Keycode::F9},
+		   {SDL_SCANCODE_F10, Keycode::F10},
+		   {SDL_SCANCODE_F11, Keycode::F11},
+		   {SDL_SCANCODE_F12, Keycode::F12},
+		   {SDL_SCANCODE_KP_0, Keycode::KP0},
+		   {SDL_SCANCODE_KP_1, Keycode::KP1},
+		   {SDL_SCANCODE_KP_2, Keycode::KP2},
+		   {SDL_SCANCODE_KP_3, Keycode::KP3},
+		   {SDL_SCANCODE_KP_4, Keycode::KP4},
+		   {SDL_SCANCODE_KP_5, Keycode::KP5},
+		   {SDL_SCANCODE_KP_6, Keycode::KP6},
+		   {SDL_SCANCODE_KP_7, Keycode::KP7},
+		   {SDL_SCANCODE_KP_8, Keycode::KP8},
+		   {SDL_SCANCODE_KP_9, Keycode::KP9},
+		   {SDL_SCANCODE_LSHIFT, Keycode::LEFT_SHIFT},
+		   {SDL_SCANCODE_LCTRL, Keycode::LEFT_CONTROL},
+		   {SDL_SCANCODE_LALT, Keycode::LEFT_ALT},
+		   {SDL_SCANCODE_LGUI, Keycode::LEFT_SUPER},
+		   {SDL_SCANCODE_RSHIFT, Keycode::RIGHT_SHIFT},
+		   {SDL_SCANCODE_RCTRL, Keycode::RIGHT_CONTROL},
+		   {SDL_SCANCODE_RALT, Keycode::RIGHT_ALT},
+		   {SDL_SCANCODE_RGUI, Keycode::RIGHT_SUPER},
+		   {SDL_SCANCODE_MENU, Keycode::MENU}};
 };
 
 } // namespace crepe