diff options
Diffstat (limited to 'src/crepe/facade/SDLContext.cpp')
-rw-r--r-- | src/crepe/facade/SDLContext.cpp | 380 |
1 files changed, 219 insertions, 161 deletions
diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp index 68a144e..6c93fb2 100644 --- a/src/crepe/facade/SDLContext.cpp +++ b/src/crepe/facade/SDLContext.cpp @@ -1,16 +1,17 @@ #include <SDL2/SDL.h> #include <SDL2/SDL_blendmode.h> +#include <SDL2/SDL_hints.h> #include <SDL2/SDL_image.h> #include <SDL2/SDL_keycode.h> #include <SDL2/SDL_pixels.h> #include <SDL2/SDL_rect.h> #include <SDL2/SDL_render.h> #include <SDL2/SDL_surface.h> +#include <SDL2/SDL_ttf.h> #include <SDL2/SDL_video.h> #include <array> #include <cmath> #include <cstddef> -#include <cstdint> #include <functional> #include <memory> #include <stdexcept> @@ -19,8 +20,12 @@ #include "../api/Color.h" #include "../api/Config.h" #include "../api/Sprite.h" -#include "../util/Log.h" +#include "../util/dbg.h" +#include "api/Text.h" +#include "api/Transform.h" +#include "facade/Font.h" #include "manager/Mediator.h" +#include "util/AbsolutePosition.h" #include "SDLContext.h" #include "Texture.h" @@ -35,10 +40,11 @@ SDLContext::SDLContext(Mediator & mediator) { throw runtime_error(format("SDLContext: SDL_Init error: {}", SDL_GetError())); } - auto & cfg = Config::get_instance().window; - SDL_Window * tmp_window - = SDL_CreateWindow(cfg.title.c_str(), SDL_WINDOWPOS_CENTERED, - SDL_WINDOWPOS_CENTERED, cfg.size.x, cfg.size.y, 0); + auto & cfg = Config::get_instance().window_settings; + SDL_Window * tmp_window = SDL_CreateWindow( + cfg.window_title.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, + cfg.default_size.x, cfg.default_size.y, 0 + ); if (!tmp_window) { throw runtime_error(format("SDLContext: SDL_Window error: {}", SDL_GetError())); } @@ -47,8 +53,8 @@ SDLContext::SDLContext(Mediator & mediator) { SDL_Renderer * tmp_renderer = SDL_CreateRenderer(this->game_window.get(), -1, SDL_RENDERER_ACCELERATED); if (!tmp_renderer) { - throw runtime_error( - format("SDLContext: SDL_CreateRenderer error: {}", SDL_GetError())); + throw runtime_error(format("SDLContext: SDL_CreateRenderer error: {}", SDL_GetError()) + ); } this->game_renderer @@ -59,6 +65,10 @@ SDLContext::SDLContext(Mediator & mediator) { throw runtime_error("SDLContext: SDL_image could not initialize!"); } + if (TTF_Init() == -1) { + throw runtime_error(format("SDL_ttf initialization failed: {}", TTF_GetError())); + } + mediator.sdl_context = *this; } @@ -71,127 +81,33 @@ SDLContext::~SDLContext() { // TODO: how are we going to ensure that these are called from the same // thread that SDL_Init() was called on? This has caused problems for me // before. + TTF_Quit(); IMG_Quit(); SDL_Quit(); } -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; +Keycode SDLContext::sdl_to_keycode(SDL_Scancode sdl_key) { + if (!lookup_table.contains(sdl_key)) return Keycode::NONE; + return lookup_table.at(sdl_key); +} - return table; - }(); +const keyboard_state_t & SDLContext::get_keyboard_state() { + SDL_PumpEvents(); + const Uint8 * current_state = SDL_GetKeyboardState(nullptr); - if (sdl_key < 0 || sdl_key >= SDL_NUM_SCANCODES) { - return Keycode::NONE; - } + for (int i = 0; i < SDL_NUM_SCANCODES; ++i) { - return LOOKUP_TABLE[sdl_key]; + Keycode key = sdl_to_keycode(static_cast<SDL_Scancode>(i)); + if (key != Keycode::NONE) { + this->keyboard_state[key] = current_state[i] != 0; + } + } + return this->keyboard_state; } MouseButton SDLContext::sdl_to_mousebutton(Uint8 sdl_button) { static const std::array<MouseButton, 5> MOUSE_BUTTON_LOOKUP_TABLE = [] { - std::array<MouseButton, 5> table{}; + std::array<MouseButton, 5> table {}; table.fill(MouseButton::NONE); table[SDL_BUTTON_LEFT] = MouseButton::LEFT_MOUSE; @@ -227,6 +143,8 @@ SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const { = (ctx.sprite.aspect_ratio == 0) ? ctx.texture.get_ratio() : ctx.sprite.aspect_ratio; vec2 size = data.size; + vec2 screen_pos = ctx.pos; + if (data.size.x == 0 && data.size.y != 0) { size.x = data.size.y * aspect_ratio; } @@ -235,12 +153,17 @@ SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const { } size *= cam_aux_data.render_scale * ctx.img_scale * data.scale_offset; - vec2 screen_pos = (ctx.pos + data.position_offset - cam_aux_data.cam_pos - + (cam_aux_data.zoomed_viewport) / 2) - * cam_aux_data.render_scale - - size / 2 + cam_aux_data.bar_size; + if (ctx.sprite.data.world_space) { + screen_pos = (screen_pos - cam_aux_data.cam_pos + cam_aux_data.zoomed_viewport / 2) + * cam_aux_data.render_scale + - size / 2 + cam_aux_data.bar_size; + } else { + screen_pos + = (screen_pos + cam_aux_data.zoomed_viewport / 2) * cam_aux_data.render_scale + - size / 2 + cam_aux_data.bar_size; + } - return SDL_FRect{ + return SDL_FRect { .x = screen_pos.x, .y = screen_pos.y, .w = size.x, @@ -249,6 +172,7 @@ SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const { } void SDLContext::draw(const RenderContext & ctx) { + SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "2"); const Sprite::Data & data = ctx.sprite.data; SDL_RendererFlip render_flip = (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * data.flip.flip_x) @@ -264,7 +188,7 @@ void SDLContext::draw(const RenderContext & ctx) { srcrect_ptr = &srcrect; } - SDL_FRect dstrect = this->get_dst_rect(SDLContext::DestinationRectangleData{ + SDL_FRect dstrect = this->get_dst_rect(SDLContext::DestinationRectangleData { .sprite = ctx.sprite, .texture = ctx.texture, .pos = ctx.pos, @@ -274,8 +198,65 @@ void SDLContext::draw(const RenderContext & ctx) { double angle = ctx.angle + data.angle_offset; this->set_color_texture(ctx.texture, ctx.sprite.data.color); - SDL_RenderCopyExF(this->game_renderer.get(), ctx.texture.get_img(), srcrect_ptr, &dstrect, - angle, NULL, render_flip); + SDL_RenderCopyExF( + this->game_renderer.get(), ctx.texture.get_img(), srcrect_ptr, &dstrect, angle, NULL, + render_flip + ); +} + +void SDLContext::draw_text(const RenderText & data) { + SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0"); + + const Text & text = data.text; + const Font & font = data.font; + vec2 absoluut_pos = AbsolutePosition::get_position(data.transform, data.text.offset); + std::unique_ptr<SDL_Surface, std::function<void(SDL_Surface *)>> font_surface; + std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> font_texture; + + SDL_Color color { + .r = text.data.text_color.r, + .g = text.data.text_color.g, + .b = text.data.text_color.b, + .a = text.data.text_color.a, + }; + SDL_Surface * tmp_font_surface + = TTF_RenderText_Solid(font.get_font(), text.text.c_str(), color); + if (tmp_font_surface == NULL) { + throw runtime_error(format("draw_text: font surface error: {}", SDL_GetError())); + } + font_surface = {tmp_font_surface, [](SDL_Surface * surface) { SDL_FreeSurface(surface); }}; + + SDL_Texture * tmp_font_texture + = SDL_CreateTextureFromSurface(this->game_renderer.get(), font_surface.get()); + if (tmp_font_texture == NULL) { + throw runtime_error(format("draw_text: font texture error: {}", SDL_GetError())); + } + font_texture + = {tmp_font_texture, [](SDL_Texture * texture) { SDL_DestroyTexture(texture); }}; + + vec2 size = text.dimensions * cam_aux_data.render_scale * data.transform.scale; + vec2 screen_pos = absoluut_pos; + if (text.data.world_space) { + screen_pos = (screen_pos - cam_aux_data.cam_pos + (cam_aux_data.zoomed_viewport) / 2) + * cam_aux_data.render_scale + - size / 2 + cam_aux_data.bar_size; + } else { + screen_pos + = (screen_pos + (cam_aux_data.zoomed_viewport) / 2) * cam_aux_data.render_scale + - size / 2 + cam_aux_data.bar_size; + } + + SDL_FRect dstrect { + .x = screen_pos.x, + .y = screen_pos.y, + .w = size.x, + .h = size.y, + }; + + SDL_RenderCopyExF( + this->game_renderer.get(), font_texture.get(), NULL, &dstrect, data.transform.rotation, + NULL, SDL_FLIP_NONE + ); } void SDLContext::update_camera_view(const Camera & cam, const vec2 & new_pos) { @@ -321,8 +302,10 @@ void SDLContext::update_camera_view(const Camera & cam, const vec2 & new_pos) { render_scale.x = render_scale.y = scale; } - SDL_SetRenderDrawColor(this->game_renderer.get(), cam_data.bg_color.r, cam_data.bg_color.g, - cam_data.bg_color.b, cam_data.bg_color.a); + SDL_SetRenderDrawColor( + this->game_renderer.get(), cam_data.bg_color.r, cam_data.bg_color.g, + cam_data.bg_color.b, cam_data.bg_color.a + ); SDL_Rect bg = { .x = 0, @@ -365,8 +348,8 @@ ivec2 SDLContext::get_size(const Texture & ctx) { return size; } -std::vector<SDLContext::EventData> SDLContext::get_events() { - std::vector<SDLContext::EventData> event_list; +std::vector<EventData> SDLContext::get_events() { + std::vector<EventData> event_list; SDL_Event event; const CameraAuxiliaryData & cam = this->cam_aux_data; while (SDL_PollEvent(&event)) { @@ -375,61 +358,136 @@ std::vector<SDLContext::EventData> SDLContext::get_events() { mouse_pos.y = (event.button.y - cam.bar_size.y) / cam.render_scale.y; switch (event.type) { case SDL_QUIT: - event_list.push_back(EventData{ - .event_type = SDLContext::EventType::SHUTDOWN, - }); + event_list.push_back({.event_type = 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), + .event_type = EventType::KEY_DOWN, + .data = { + .key_data = { + .key = this->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), + .event_type = EventType::KEY_UP, + .data = { + .key_data = { + .key = this->sdl_to_keycode(event.key.keysym.scancode), + .key_repeat = event.key.repeat != 0, + }, + }, }); break; + case SDL_MOUSEBUTTONDOWN: event_list.push_back(EventData{ - .event_type = SDLContext::EventType::MOUSEDOWN, - .mouse_button = sdl_to_mousebutton(event.button.button), - .mouse_position = mouse_pos, + .event_type = EventType::MOUSE_DOWN, + .data = { + .mouse_data = { + .mouse_button = this->sdl_to_mousebutton(event.button.button), + .mouse_position = mouse_pos, + }, + }, }); break; - case SDL_MOUSEBUTTONUP: { - int x, y; - SDL_GetMouseState(&x, &y); + case SDL_MOUSEBUTTONUP: event_list.push_back(EventData{ - .event_type = SDLContext::EventType::MOUSEUP, - .mouse_button = sdl_to_mousebutton(event.button.button), - .mouse_position = mouse_pos, + .event_type = EventType::MOUSE_UP, + .data = { + .mouse_data = { + .mouse_button = this->sdl_to_mousebutton(event.button.button), + .mouse_position = mouse_pos, + }, + }, }); - } break; + break; - case SDL_MOUSEMOTION: { - event_list.push_back( - EventData{.event_type = SDLContext::EventType::MOUSEMOVE, - .mouse_position = mouse_pos, - .rel_mouse_move = {event.motion.xrel, event.motion.yrel}}); - } break; + case SDL_MOUSEMOTION: + event_list.push_back(EventData{ + .event_type = EventType::MOUSE_MOVE, + .data = { + .mouse_data = { + .mouse_position = mouse_pos, + .rel_mouse_move = {event.motion.xrel, event.motion.yrel}, + }, + }, + }); + break; - case SDL_MOUSEWHEEL: { + case SDL_MOUSEWHEEL: event_list.push_back(EventData{ - .event_type = SDLContext::EventType::MOUSEWHEEL, - .mouse_position = mouse_pos, - // TODO: why is this needed? - .scroll_direction = event.wheel.y < 0 ? -1 : 1, - .scroll_delta = event.wheel.preciseY, + .event_type = EventType::MOUSE_WHEEL, + .data = { + .mouse_data = { + .mouse_position = mouse_pos, + .scroll_direction = event.wheel.y < 0 ? -1 : 1, + .scroll_delta = event.wheel.preciseY, + }, + }, }); - } break; + break; + case SDL_WINDOWEVENT: + this->handle_window_event(event.window, event_list); + break; } } + return event_list; } + +void SDLContext::handle_window_event( + const SDL_WindowEvent & window_event, std::vector<EventData> & event_list +) { + switch (window_event.event) { + case SDL_WINDOWEVENT_EXPOSED: + event_list.push_back(EventData {EventType::WINDOW_EXPOSE}); + break; + case SDL_WINDOWEVENT_RESIZED: + event_list.push_back(EventData{ + .event_type = EventType::WINDOW_RESIZE, + .data = { + .window_data = { + .resize_dimension = {window_event.data1, window_event.data2} + }, + }, + }); + break; + case SDL_WINDOWEVENT_MOVED: + event_list.push_back(EventData{ + .event_type = EventType::WINDOW_MOVE, + .data = { + .window_data = { + .move_delta = {window_event.data1, window_event.data2} + }, + }, + }); + break; + + case SDL_WINDOWEVENT_MINIMIZED: + event_list.push_back(EventData {EventType::WINDOW_MINIMIZE}); + break; + case SDL_WINDOWEVENT_MAXIMIZED: + event_list.push_back(EventData {EventType::WINDOW_MAXIMIZE}); + break; + case SDL_WINDOWEVENT_FOCUS_GAINED: + event_list.push_back(EventData {EventType::WINDOW_FOCUS_GAIN}); + break; + case SDL_WINDOWEVENT_FOCUS_LOST: + event_list.push_back(EventData {EventType::WINDOW_FOCUS_LOST}); + break; + } +} + void SDLContext::set_color_texture(const Texture & texture, const Color & color) { SDL_SetTextureColorMod(texture.get_img(), color.r, color.g, color.b); SDL_SetTextureAlphaMod(texture.get_img(), color.a); } + +Asset SDLContext::get_font_from_name(const std::string & font_family) { + return this->font_facade.get_font_asset(font_family); +} |