159 lines
3.2 KiB
C++
159 lines
3.2 KiB
C++
#include "logo.h"
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#define INIT_FADE 100
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#define END_LOGO 200
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// Constructor
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Logo::Logo(SDL_Renderer *renderer, Screen *screen, Asset *asset, Input *input, section_t *section)
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{
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// Copia la dirección de los objetos
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this->renderer = renderer;
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this->screen = screen;
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this->asset = asset;
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this->input = input;
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this->section = section;
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// Reserva memoria para los punteros
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eventHandler = new SDL_Event();
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texture = new Texture(renderer, asset->get("logo.png"));
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sprite = new Sprite(14, 75, 226, 44, texture, renderer);
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// Inicializa variables
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counter = 0;
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section->name = SECTION_PROG_LOGO;
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section->subsection = 0;
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ticks = 0;
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ticksSpeed = 15;
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}
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// Destructor
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Logo::~Logo()
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{
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texture->unload();
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delete texture;
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delete sprite;
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delete eventHandler;
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}
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// Comprueba si ha terminado el logo
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void Logo::checkLogoEnd()
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{
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if (counter >= END_LOGO + 20)
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{
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section->name = SECTION_PROG_INTRO;
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section->subsection = 0;
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}
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}
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// Comprueba los eventos
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void Logo::checkEvents()
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{
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// Comprueba los eventos que hay en la cola
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while (SDL_PollEvent(eventHandler) != 0)
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{
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// Evento de salida de la aplicación
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if (eventHandler->type == SDL_QUIT)
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{
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section->name = SECTION_PROG_QUIT;
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break;
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}
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}
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}
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// Comprueba las entradas
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void Logo::checkInput()
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{
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if (input->checkInput(input_exit, REPEAT_FALSE))
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{
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section->name = SECTION_PROG_QUIT;
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}
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else if (input->checkInput(input_window_fullscreen, REPEAT_FALSE))
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{
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screen->switchVideoMode();
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}
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else if (input->checkInput(input_window_dec_size, REPEAT_FALSE))
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{
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screen->decWindowSize();
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}
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else if (input->checkInput(input_window_inc_size, REPEAT_FALSE))
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{
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screen->incWindowSize();
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}
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else if (input->checkInput(input_pause, REPEAT_FALSE) || input->checkInput(input_accept, REPEAT_FALSE) || input->checkInput(input_fire_left, REPEAT_FALSE) || input->checkInput(input_fire_center, REPEAT_FALSE) || input->checkInput(input_fire_right, REPEAT_FALSE))
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{
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section->name = SECTION_PROG_TITLE;
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section->subsection = SUBSECTION_TITLE_1;
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}
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}
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// Dibuja el fade
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void Logo::renderFade()
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{
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// Dibuja el fade
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if (counter >= INIT_FADE)
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{
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const float step = (float)(counter - INIT_FADE) / (float)(END_LOGO - INIT_FADE);
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const int alpha = std::min((int)(255 * step), 255);
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SDL_SetRenderDrawColor(renderer, bgColor.r, bgColor.g, bgColor.b, alpha);
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SDL_RenderFillRect(renderer, nullptr);
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}
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}
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// Actualiza las variables del objeto
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void Logo::update()
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{
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checkInput();
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if (SDL_GetTicks() - ticks > ticksSpeed)
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{
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// Actualiza el contador de ticks
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ticks = SDL_GetTicks();
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// Actualiza el contador
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counter++;
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// Comprueba si ha terminado el logo
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checkLogoEnd();
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// Actualiza las notificaciones
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screen->updateNotifier();
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}
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}
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// Dibuja el objeto en pantalla
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void Logo::render()
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{
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// Prepara para empezar a dibujar en la textura de juego
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screen->start();
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// Limpia la pantalla
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screen->clean({238, 238, 238});
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// Dibuja los objetos
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sprite->render();
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// Dibuja el fade
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renderFade();
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// Vuelca el contenido del renderizador en pantalla
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screen->blit();
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}
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// Bucle para el logo del juego
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void Logo::run()
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{
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JA_StopMusic();
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while (section->name == SECTION_PROG_LOGO)
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{
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update();
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checkEvents();
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render();
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}
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}
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