diff options
Diffstat (limited to 'src/crepe/facade')
-rw-r--r-- | src/crepe/facade/SDLContext.cpp | 213 | ||||
-rw-r--r-- | src/crepe/facade/SDLContext.h | 76 |
2 files changed, 259 insertions, 30 deletions
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp index e8be7ca..aba7ce7 100644 --- a/src/crepe/facade/SDLContext.cpp +++ b/src/crepe/facade/SDLContext.cpp @@ -6,6 +6,7 @@ #include <SDL2/SDL_render.h> #include <SDL2/SDL_surface.h> #include <SDL2/SDL_video.h> +#include <array> #include <cmath> #include <cstddef> #include <cstdint> @@ -16,6 +17,7 @@ #include "../api/Camera.h" #include "../api/Config.h" +#include "../api/EventManager.h" #include "../api/Sprite.h" #include "../api/Texture.h" #include "../util/Log.h" @@ -76,25 +78,141 @@ SDLContext::~SDLContext() { IMG_Quit(); SDL_Quit(); } -void SDLContext::handle_events(bool & running) { - //TODO: wouter i need events - /* - SDL_Event event; - SDL_PollEvent(&event); - switch (event.type) { - case SDL_QUIT: - running = false; - break; - case SDL_KEYDOWN: - triggerEvent(KeyPressedEvent(getCustomKey(event.key.keysym.sym))); - break; - case SDL_MOUSEBUTTONDOWN: - int x, y; - SDL_GetMouseState(&x, &y); - triggerEvent(MousePressedEvent(x, y)); - break; + +Keycode SDLContext::sdl_to_keycode(SDL_Keycode sdl_key) { + static const std::array<Keycode, SDL_NUM_SCANCODES> LOOKUP_TABLE = [] { + std::array<Keycode, SDL_NUM_SCANCODES> table{}; + table.fill(Keycode::NONE); + + table[SDL_SCANCODE_SPACE] = Keycode::SPACE; + table[SDL_SCANCODE_APOSTROPHE] = Keycode::APOSTROPHE; + table[SDL_SCANCODE_COMMA] = Keycode::COMMA; + table[SDL_SCANCODE_MINUS] = Keycode::MINUS; + table[SDL_SCANCODE_PERIOD] = Keycode::PERIOD; + table[SDL_SCANCODE_SLASH] = Keycode::SLASH; + table[SDL_SCANCODE_0] = Keycode::D0; + table[SDL_SCANCODE_1] = Keycode::D1; + table[SDL_SCANCODE_2] = Keycode::D2; + table[SDL_SCANCODE_3] = Keycode::D3; + table[SDL_SCANCODE_4] = Keycode::D4; + table[SDL_SCANCODE_5] = Keycode::D5; + table[SDL_SCANCODE_6] = Keycode::D6; + table[SDL_SCANCODE_7] = Keycode::D7; + table[SDL_SCANCODE_8] = Keycode::D8; + table[SDL_SCANCODE_9] = Keycode::D9; + table[SDL_SCANCODE_SEMICOLON] = Keycode::SEMICOLON; + table[SDL_SCANCODE_EQUALS] = Keycode::EQUAL; + table[SDL_SCANCODE_A] = Keycode::A; + table[SDL_SCANCODE_B] = Keycode::B; + table[SDL_SCANCODE_C] = Keycode::C; + table[SDL_SCANCODE_D] = Keycode::D; + table[SDL_SCANCODE_E] = Keycode::E; + table[SDL_SCANCODE_F] = Keycode::F; + table[SDL_SCANCODE_G] = Keycode::G; + table[SDL_SCANCODE_H] = Keycode::H; + table[SDL_SCANCODE_I] = Keycode::I; + table[SDL_SCANCODE_J] = Keycode::J; + table[SDL_SCANCODE_K] = Keycode::K; + table[SDL_SCANCODE_L] = Keycode::L; + table[SDL_SCANCODE_M] = Keycode::M; + table[SDL_SCANCODE_N] = Keycode::N; + table[SDL_SCANCODE_O] = Keycode::O; + table[SDL_SCANCODE_P] = Keycode::P; + table[SDL_SCANCODE_Q] = Keycode::Q; + table[SDL_SCANCODE_R] = Keycode::R; + table[SDL_SCANCODE_S] = Keycode::S; + table[SDL_SCANCODE_T] = Keycode::T; + table[SDL_SCANCODE_U] = Keycode::U; + table[SDL_SCANCODE_V] = Keycode::V; + table[SDL_SCANCODE_W] = Keycode::W; + table[SDL_SCANCODE_X] = Keycode::X; + table[SDL_SCANCODE_Y] = Keycode::Y; + table[SDL_SCANCODE_Z] = Keycode::Z; + table[SDL_SCANCODE_LEFTBRACKET] = Keycode::LEFT_BRACKET; + table[SDL_SCANCODE_BACKSLASH] = Keycode::BACKSLASH; + table[SDL_SCANCODE_RIGHTBRACKET] = Keycode::RIGHT_BRACKET; + table[SDL_SCANCODE_GRAVE] = Keycode::GRAVE_ACCENT; + table[SDL_SCANCODE_ESCAPE] = Keycode::ESCAPE; + table[SDL_SCANCODE_RETURN] = Keycode::ENTER; + table[SDL_SCANCODE_TAB] = Keycode::TAB; + table[SDL_SCANCODE_BACKSPACE] = Keycode::BACKSPACE; + table[SDL_SCANCODE_INSERT] = Keycode::INSERT; + table[SDL_SCANCODE_DELETE] = Keycode::DELETE; + table[SDL_SCANCODE_RIGHT] = Keycode::RIGHT; + table[SDL_SCANCODE_LEFT] = Keycode::LEFT; + table[SDL_SCANCODE_DOWN] = Keycode::DOWN; + table[SDL_SCANCODE_UP] = Keycode::UP; + table[SDL_SCANCODE_PAGEUP] = Keycode::PAGE_UP; + table[SDL_SCANCODE_PAGEDOWN] = Keycode::PAGE_DOWN; + table[SDL_SCANCODE_HOME] = Keycode::HOME; + table[SDL_SCANCODE_END] = Keycode::END; + table[SDL_SCANCODE_CAPSLOCK] = Keycode::CAPS_LOCK; + table[SDL_SCANCODE_SCROLLLOCK] = Keycode::SCROLL_LOCK; + table[SDL_SCANCODE_NUMLOCKCLEAR] = Keycode::NUM_LOCK; + table[SDL_SCANCODE_PRINTSCREEN] = Keycode::PRINT_SCREEN; + table[SDL_SCANCODE_PAUSE] = Keycode::PAUSE; + table[SDL_SCANCODE_F1] = Keycode::F1; + table[SDL_SCANCODE_F2] = Keycode::F2; + table[SDL_SCANCODE_F3] = Keycode::F3; + table[SDL_SCANCODE_F4] = Keycode::F4; + table[SDL_SCANCODE_F5] = Keycode::F5; + table[SDL_SCANCODE_F6] = Keycode::F6; + table[SDL_SCANCODE_F7] = Keycode::F7; + table[SDL_SCANCODE_F8] = Keycode::F8; + table[SDL_SCANCODE_F9] = Keycode::F9; + table[SDL_SCANCODE_F10] = Keycode::F10; + table[SDL_SCANCODE_F11] = Keycode::F11; + table[SDL_SCANCODE_F12] = Keycode::F12; + table[SDL_SCANCODE_KP_0] = Keycode::KP0; + table[SDL_SCANCODE_KP_1] = Keycode::KP1; + table[SDL_SCANCODE_KP_2] = Keycode::KP2; + table[SDL_SCANCODE_KP_3] = Keycode::KP3; + table[SDL_SCANCODE_KP_4] = Keycode::KP4; + table[SDL_SCANCODE_KP_5] = Keycode::KP5; + table[SDL_SCANCODE_KP_6] = Keycode::KP6; + table[SDL_SCANCODE_KP_7] = Keycode::KP7; + table[SDL_SCANCODE_KP_8] = Keycode::KP8; + table[SDL_SCANCODE_KP_9] = Keycode::KP9; + table[SDL_SCANCODE_LSHIFT] = Keycode::LEFT_SHIFT; + table[SDL_SCANCODE_LCTRL] = Keycode::LEFT_CONTROL; + table[SDL_SCANCODE_LALT] = Keycode::LEFT_ALT; + table[SDL_SCANCODE_LGUI] = Keycode::LEFT_SUPER; + table[SDL_SCANCODE_RSHIFT] = Keycode::RIGHT_SHIFT; + table[SDL_SCANCODE_RCTRL] = Keycode::RIGHT_CONTROL; + table[SDL_SCANCODE_RALT] = Keycode::RIGHT_ALT; + table[SDL_SCANCODE_RGUI] = Keycode::RIGHT_SUPER; + table[SDL_SCANCODE_MENU] = Keycode::MENU; + + return table; + }(); + + if (sdl_key < 0 || sdl_key >= SDL_NUM_SCANCODES) { + return Keycode::NONE; } - */ + + return LOOKUP_TABLE[sdl_key]; +} + +MouseButton SDLContext::sdl_to_mousebutton(Uint8 sdl_button) { + static const std::array<MouseButton, 5> MOUSE_BUTTON_LOOKUP_TABLE = [] { + std::array<MouseButton, 5> table{}; + table.fill(MouseButton::NONE); + + table[SDL_BUTTON_LEFT] = MouseButton::LEFT_MOUSE; + table[SDL_BUTTON_RIGHT] = MouseButton::RIGHT_MOUSE; + table[SDL_BUTTON_MIDDLE] = MouseButton::MIDDLE_MOUSE; + table[SDL_BUTTON_X1] = MouseButton::X1_MOUSE; + table[SDL_BUTTON_X2] = MouseButton::X2_MOUSE; + + return table; + }(); + + if (sdl_button >= MOUSE_BUTTON_LOOKUP_TABLE.size()) { + // Return NONE for invalid or unmapped button + return MouseButton::NONE; + } + + return MOUSE_BUTTON_LOOKUP_TABLE[sdl_button]; } void SDLContext::clear_screen() { @@ -224,6 +342,65 @@ ivec2 SDLContext::get_size(const Texture & ctx) { void SDLContext::delay(int ms) const { SDL_Delay(ms); } +std::vector<SDLContext::EventData> SDLContext::get_events() { + std::vector<SDLContext::EventData> event_list; + SDL_Event event; + while (SDL_PollEvent(&event)) { + switch (event.type) { + case SDL_QUIT: + event_list.push_back(EventData{ + .event_type = SDLContext::EventType::SHUTDOWN, + }); + break; + case SDL_KEYDOWN: + event_list.push_back(EventData{ + .event_type = SDLContext::EventType::KEYDOWN, + .key = sdl_to_keycode(event.key.keysym.scancode), + .key_repeat = (event.key.repeat != 0), + }); + break; + case SDL_KEYUP: + event_list.push_back(EventData{ + .event_type = SDLContext::EventType::KEYUP, + .key = sdl_to_keycode(event.key.keysym.scancode), + }); + break; + case SDL_MOUSEBUTTONDOWN: + event_list.push_back(EventData{ + .event_type = SDLContext::EventType::MOUSEDOWN, + .mouse_button = sdl_to_mousebutton(event.button.button), + .mouse_position = {event.button.x, event.button.y}, + }); + break; + case SDL_MOUSEBUTTONUP: { + int x, y; + SDL_GetMouseState(&x, &y); + event_list.push_back(EventData{ + .event_type = SDLContext::EventType::MOUSEUP, + .mouse_button = sdl_to_mousebutton(event.button.button), + .mouse_position = {event.button.x, event.button.y}, + }); + } break; + + case SDL_MOUSEMOTION: { + event_list.push_back( + EventData{.event_type = SDLContext::EventType::MOUSEMOVE, + .mouse_position = {event.motion.x, event.motion.y}, + .rel_mouse_move = {event.motion.xrel, event.motion.yrel}}); + } break; + + case SDL_MOUSEWHEEL: { + event_list.push_back(EventData{ + .event_type = SDLContext::EventType::MOUSEWHEEL, + .mouse_position = {event.motion.x, event.motion.y}, + .scroll_direction = event.wheel.direction, + .scroll_delta = event.wheel.preciseY, + }); + } break; + } + } + return event_list; +} void SDLContext::set_color_texture(const Texture & texture, const Color & color) { SDL_SetTextureColorMod(texture.texture.get(), color.r, color.g, color.b); SDL_SetTextureAlphaMod(texture.texture.get(), color.a); diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h index e49ca78..bd0427a 100644 --- a/src/crepe/facade/SDLContext.h +++ b/src/crepe/facade/SDLContext.h @@ -1,5 +1,6 @@ #pragma once +#include <SDL2/SDL.h> #include <SDL2/SDL_keycode.h> #include <SDL2/SDL_rect.h> #include <SDL2/SDL_render.h> @@ -8,20 +9,21 @@ #include <functional> #include <memory> #include <string> +#include <utility> -#include "../api/Camera.h" -#include "../api/Sprite.h" - +#include "api/Camera.h" #include "api/Color.h" +#include "api/Event.h" +#include "api/KeyCodes.h" +#include "api/Sprite.h" #include "api/Texture.h" +#include "api/Transform.h" #include "types.h" namespace crepe { -// TODO: SDL_Keycode is defined in a header not distributed with crepe, which means this -// typedef is unusable when crepe is packaged. Wouter will fix this later. -typedef SDL_Keycode CREPE_KEYCODES; - +class LoopManager; +class InputSystem; /** * \class SDLContext * \brief Facade for the SDL library @@ -41,6 +43,29 @@ 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; + std::pair<int, int> mouse_position = {-1, -1}; + int scroll_direction = -1; + float scroll_delta = INFINITY; + std::pair<int, int> rel_mouse_move = {-1, -1}; + }; /** * \brief Gets the singleton instance of SDLContext. * \return Reference to the SDLContext instance. @@ -53,13 +78,40 @@ public: SDLContext & operator=(SDLContext &&) = delete; private: - //! will only use handle_events - friend class LoopManager; + //! will only use get_events + friend class InputSystem; + /** + * \brief Retrieves a list of all events from the SDL context. + * + * This method retrieves all the events from the SDL context that are currently + * available. It is primarily used by the InputSystem to process various + * input events such as mouse clicks, mouse movements, and keyboard presses. + * + * \return Events that occurred since last call to `get_events()` + */ + std::vector<SDLContext::EventData> get_events(); + + /** + * \brief Converts an SDL key code to the custom Keycode type. + * + * This method maps an SDL key 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. + * \return The corresponding `Keycode` value or `Keycode::NONE` if the key is unrecognized. + */ + Keycode sdl_to_keycode(SDL_Keycode sdl_key); + /** - * \brief Handles SDL events such as window close and input. - * \param running Reference to a boolean flag that controls the main loop. + * \brief Converts an SDL mouse button code to the custom MouseButton type. + * + * This method maps an SDL mouse button code to the corresponding `MouseButton` + * enum value, which is used internally by the system to identify mouse buttons. + * + * \param sdl_button The SDL mouse button code to convert. + * \return The corresponding `MouseButton` value or `MouseButton::NONE` if the key is unrecognized */ - void handle_events(bool & running); + MouseButton sdl_to_mousebutton(Uint8 sdl_button); private: //! Will only use get_ticks |