646 lines
15 KiB
C++
646 lines
15 KiB
C++
/*
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Ejemplo de uso de las unidades incluídas en jail_engine
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Código fuente creado por JailDesigner
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*/
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#include <SDL2/SDL.h>
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#include <iostream>
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#include "units/jail_audio.h"
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#include "units/text.h"
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#include "units/utils.h"
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#include "units/asset.h"
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#include "units/movingsprite.h"
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#include "units/texture.h"
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#include "units/screen.h"
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#include "units/input.h"
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#include "quickcg.h"
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using namespace QuickCG;
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// Punteros
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SDL_Event *event;
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SDL_Window *window;
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SDL_Renderer *renderer;
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Asset *asset;
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JA_Music_t *music;
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JA_Sound_t *sound;
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Input *input;
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struct options_t *options;
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Screen *screen;
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Text *text;
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Text *debugText;
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Texture *texture;
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MovingSprite *sprite;
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// Listas
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enum e_fx // Tipos de efectos disponibles para el fondo
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{
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fx_fire,
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fx_gradient
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};
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// Variables de uso general
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Uint32 ticks = 0; // Variable para la frecuencia de actualización de la lógica del programa
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const Uint32 ticksSpeed = 15; // Variable para la frecuencia de actualización de la lógica del programa
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bool should_exit = false; // Variable para saber si ha terminado el progra,a
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int counter = 0; // Contador para lo que se necesite
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string controllerName; // Nombre del primer mando detectado
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string inputPressed; // Texto con el último input que se ha pulsado
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e_fx fx = fx_fire; // Efecto seleccionado para el fondo
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int fxTotal = 2; // Cantidad total de efectos disponibles para el fondo
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// Variables para el efecto del degradado
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int gradColorMin = 64; // Minimo color más alto del degradado
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int gradColorMax = 192; // Minimo color más alto del degradado
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int gradCurrentColor = 192; // Color actual más alto del degradado
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int gradBreathDirection = 0; // Indica si gradCurrentColor crece o decrece
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// Variables para el efecto de fuego
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const int fireScreenWidth = 320; // Ancho del efecto de fuego
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const int fireScreenHeight = 180; // Alto del efecto de fuego
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Uint32 fire[fireScreenHeight][fireScreenWidth]; // Buffer con el fuego
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Uint32 buffer[fireScreenHeight][fireScreenWidth]; // Buffer para dibujar en pantalla
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ColorRGB palette[256]; // Paleta de color para el fuego
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const int fireDesp = 240 - fireScreenHeight + 3; // Fila donde comienza a dibujarse el efecto de fuego
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// Inicializa las opciones
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void initOptions();
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// Inicializa la lista de recursos
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void initAsset(char *argv[]);
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// Inicializa SDL
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void initSDL();
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// Inicializa la ventana
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void initWindow();
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// Inicializa el gestor de eventos
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void initEvent();
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// Inicializa jail_audio
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void initJailAudio();
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// Inicializa el objeto screen
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void initScreen();
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// Inicializa el objeto input
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void initInput();
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// Inicializa el texto
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void initText();
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// Inicializa el sprite
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void initSprite();
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// Inicializa el efecto de fuego
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void initFire();
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// Inicializa todo
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void initAll(char *argv[]);
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// Comprueba el teclado y los eventos
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void checkEvents();
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// Comprueba el objeto input
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void checkInput();
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// Actualiza el sprite
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void updateSprite();
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// Actualiza el efecto de degradado
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void updateGradient();
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// Actualiza el efecto de fuego
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void updateFire();
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// Actualiza el efecto de fondo
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void updateFX();
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// Actualiza la lógica del programa
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void update();
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// Dibuja un degradado de fondo
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void renderGradient();
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// Dibuja el efecto de fuego
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void renderFire();
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// Dibuja el efecto de fondo
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void renderFX();
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// Dibuja el texto
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void renderText();
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// Dibuja los elementos del programa en pantalla
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void render();
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// Libera la memoria reservada
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void freeAll();
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// Inicializa las opciones
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void initOptions()
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{
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options = new options_t;
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initOptions(options);
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options->screen.nativeWidth = 320;
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options->screen.nativeHeight = 240;
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options->screen.nativeZoom = 2;
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options->screen.windowZoom = 1;
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options->console = true;
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}
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// Inicializa la lista de recursos
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void initAsset(char *argv[])
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{
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asset = new Asset(argv[0]);
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asset->add("/data/music.ogg", t_music);
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asset->add("/data/sound.wav", t_sound);
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asset->add("/data/smb2.txt", t_font);
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asset->add("/data/smb2.png", t_bitmap);
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asset->add("/data/debug.txt", t_font);
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asset->add("/data/debug.png", t_bitmap);
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asset->add("/data/z80.png", t_bitmap);
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asset->add("/data/notify.png", t_bitmap);
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asset->add("/data/notify.wav", t_sound);
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asset->add("/data/gamecontrollerdb.txt", t_data);
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asset->setVerbose(options->console);
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if (!asset->check())
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{
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exit(EXIT_FAILURE);
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}
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}
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// Inicializa SDL
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void initSDL()
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{
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SDL_Init(SDL_INIT_EVERYTHING);
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}
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// Inicializa la ventana
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void initWindow()
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{
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window = SDL_CreateWindow("Jail Engine DEMO", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, options->screen.nativeWidth * options->screen.nativeZoom * options->screen.windowZoom, options->screen.nativeHeight * options->screen.nativeZoom * options->screen.windowZoom, SDL_WINDOW_SHOWN);
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if (window != nullptr)
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{
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renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
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if (renderer != nullptr)
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{
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SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
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}
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else
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{
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exit(EXIT_FAILURE);
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}
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}
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else
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{
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exit(EXIT_FAILURE);
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}
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}
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// Inicializa el gestor de eventos
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void initEvent()
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{
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event = new SDL_Event();
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}
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// Inicializa jail_audio
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void initJailAudio()
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{
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JA_Init(48000, AUDIO_S16, 2);
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music = JA_LoadMusic(asset->get("music.ogg").c_str());
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sound = JA_LoadSound(asset->get("sound.wav").c_str());
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// JA_PlayMusic(music, true);
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}
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// Inicializa el objeto screen
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void initScreen()
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{
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screen = new Screen(window, renderer, options);
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screen->addNotifier(asset->get("notify.png"), asset->get("smb2.png"), asset->get("smb2.txt"), asset->get("notify.wav"));
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}
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// Inicializa el objeto input
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void initInput()
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{
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input = new Input(asset->get("gamecontrollerdb.txt"), options->console);
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controllerName = input->getNumControllers() > 0 ? input->getControllerName(0) : "No se ha encontrado ningun mando";
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}
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// Inicializa el texto
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void initText()
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{
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text = new Text(asset->get("smb2.txt"), asset->get("smb2.png"), renderer);
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debugText = new Text(asset->get("debug.txt"), asset->get("debug.png"), renderer);
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}
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// Inicializa el sprite
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void initSprite()
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{
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texture = new Texture(renderer, asset->get("z80.png"));
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sprite = new MovingSprite();
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sprite->setRenderer(renderer);
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sprite->setTexture(texture);
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sprite->setPosX(140);
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sprite->setPosY(100);
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sprite->setWidth(16);
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sprite->setHeight(32);
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sprite->setSpriteClip({0, 0, 16, 32});
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sprite->setVelX(1);
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sprite->setVelY(2);
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}
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// Inicializa el efecto de fuego
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void initFire()
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{
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// Inicializa el buffer de fuego
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for (int y = 0; y < fireScreenHeight; ++y)
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for (int x = 0; x < fireScreenWidth; ++x)
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fire[y][x] = 0;
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// Inicializa la paleta
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for (int x = 0; x < 256; ++x)
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{
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// HSLtoRGB is used to generate colors:
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// Hue goes from 0 to 85: red to yellow
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// Saturation is always the maximum: 255
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// Lightness is 0..255 for x=0..128, and 255 for x=128..255
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ColorRGB color = HSLtoRGB(ColorHSL(x / 3, 255, std::min(255, x * 2)));
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// set the palette to the calculated RGB value
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// palette[x] = RGBtoINT(color);
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palette[x] = color;
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}
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}
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// Inicializa todo
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void initAll(char *argv[])
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{
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// Inicializa las opciones
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initOptions();
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// Inicializa la lista de recursos
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initAsset(argv);
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// Inicializa SDL
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initSDL();
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// Inicializa la ventana
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initWindow();
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// Inicializa el gestor de eventos
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initEvent();
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// Inicializa jail_audio
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initJailAudio();
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// Inicializa el objeto screen
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initScreen();
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// Inicializa el objeto input
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initInput();
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// Inicializa el texto
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initText();
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// Inicializa el sprite
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initSprite();
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// Inicializa el efecto de fuego
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initFire();
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}
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// Comprueba el teclado y los eventos
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void checkEvents()
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{
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while (SDL_PollEvent(event))
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{
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if (event->type == SDL_QUIT)
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{
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should_exit = true;
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break;
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}
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if (event->type == SDL_KEYDOWN)
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{
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switch (event->key.keysym.scancode)
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{
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case SDL_SCANCODE_ESCAPE:
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should_exit = true;
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break;
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case SDL_SCANCODE_F1:
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screen->decWindowSize();
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break;
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case SDL_SCANCODE_F2:
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screen->incWindowSize();
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break;
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case SDL_SCANCODE_N:
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screen->showNotification("Ejemplo de notificacion", "con 2 lineas de texto", 0);
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break;
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default:
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break;
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}
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}
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}
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}
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// Comprueba el objeto input
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void checkInput()
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{
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inputPressed = "";
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if (input->checkInput(INPUT_LEFT))
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{
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inputPressed = "Izquierda";
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}
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if (input->checkInput(INPUT_RIGHT))
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{
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inputPressed = "Derecha";
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}
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if (input->checkInput(INPUT_UP))
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{
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inputPressed = "Arriba";
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}
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if (input->checkInput(INPUT_DOWN))
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{
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inputPressed = "Abajo";
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}
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}
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// Actualiza el sprite
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void updateSprite()
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{
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if (sprite->getPosX() + sprite->getWidth() > options->screen.nativeWidth or sprite->getPosX() < 0)
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{
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sprite->undoMoveX();
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int spr_direction = 1;
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int spr_force = 1;
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if (sprite->getVelX() > 0)
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{
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spr_direction = -1;
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}
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if (SDL_GetTicks() % 2 == 0)
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{
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spr_force = 2;
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}
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sprite->setVelX(spr_force * spr_direction);
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JA_PlaySound(sound);
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}
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if (sprite->getPosY() + sprite->getHeight() > options->screen.nativeHeight or sprite->getPosY() < 0)
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{
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sprite->undoMoveY();
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int spr_direction = 1;
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int spr_force = 1;
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if (sprite->getVelY() > 0)
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{
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spr_direction = -1;
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}
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if (SDL_GetTicks() % 2 == 0)
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{
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spr_force = 2;
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}
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sprite->setVelY(spr_force * spr_direction);
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JA_PlaySound(sound);
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}
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sprite->update();
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}
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// Actualiza el degradado
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void updateGradient()
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{
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if (counter % 1 == 0)
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{
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gradBreathDirection == 0 ? gradCurrentColor-- : gradCurrentColor++;
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if (gradCurrentColor == gradColorMin)
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{
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gradBreathDirection = 1;
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}
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if (gradCurrentColor == gradColorMax)
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{
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gradBreathDirection = 0;
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}
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}
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}
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// Actualiza el efecto de fuego
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void updateFire()
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{
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// randomize the bottom row of the fire buffer
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const int w = fireScreenWidth;
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const int h = fireScreenHeight;
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for (int x = 0; x < w; ++x)
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fire[h - 1][x] = abs(32768 + rand()) % 256;
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// do the fire calculations for every pixel, from top to bottom
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for (int y = 0; y < h - 1; ++y)
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for (int x = 0; x < w; ++x)
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{
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fire[y][x] =
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((fire[(y + 1) % h][(x - 1 + w) % w] + fire[(y + 1) % h][(x) % w] + fire[(y + 1) % h][(x + 1) % w] + fire[(y + 2) % h][(x) % w]) * 32) / 129;
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}
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}
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// Actualiza el efecto de fondo
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void updateFX()
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{
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switch (fx)
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{
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case fx_fire:
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updateFire();
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break;
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case fx_gradient:
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updateGradient();
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break;
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default:
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break;
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}
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}
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// Actualiza la lógica del programa
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void update()
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{
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// Comprueba el teclado y los eventos
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checkEvents();
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// Comprueba el objeto input
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checkInput();
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// Actualiza la lógica del programa
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if (SDL_GetTicks() - ticks > ticksSpeed)
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{
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// Actualiza la variable
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ticks = SDL_GetTicks();
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// Incrementa el contador
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counter++;
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// Actualiza el objeto screen
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screen->update();
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// Actualiza el sprite
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updateSprite();
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// Actualiza el efecto de fondo
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updateFX();
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}
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}
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// Dibuja un degradado de fondo
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void renderGradient()
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{
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const int gradFirstLine = options->screen.nativeHeight / 3;
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const int gradLastLine = options->screen.nativeHeight;
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const int gradNumLines = gradLastLine - gradFirstLine;
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const int gradColorFrom = 0;
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for (int i = gradFirstLine; i < gradLastLine; ++i)
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{
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float step = ((float)(i - gradFirstLine) / gradNumLines);
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int color = gradColorFrom + ((gradCurrentColor - gradColorFrom) * step);
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SDL_SetRenderDrawColor(renderer, color, 0x00, 0x00, 0xFF);
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SDL_RenderDrawLine(renderer, 0, i, options->screen.nativeWidth, i);
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}
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for (int i = gradLastLine; i > gradFirstLine; --i)
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{
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float step = ((float)(i - gradFirstLine) / gradNumLines);
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int alpha = 0 + ((255 - 0) * step);
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SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0xFF, alpha);
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SDL_RenderDrawLine(renderer, 0, gradLastLine - i, options->screen.nativeWidth, gradLastLine - i);
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}
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}
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// Dibuja el efecto de fuego
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void renderFire()
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{
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for (int y = 0; y < fireScreenHeight; ++y)
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for (int x = 0; x < fireScreenWidth; ++x)
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{
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const ColorRGB c = palette[fire[y][x]];
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SDL_SetRenderDrawColor(renderer, c.r, c.g, c.b, 255);
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SDL_RenderDrawPoint(renderer, x, y + fireDesp);
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}
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}
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// Dibuja el efecto de fondo
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void renderFX()
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{
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switch (fx)
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{
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case fx_fire:
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renderFire();
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break;
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case fx_gradient:
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renderGradient();
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break;
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default:
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break;
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}
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}
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// Dibuja el texto
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void renderText()
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{
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text->setZoom(2);
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text->writeDX(TXT_CENTER | TXT_STROKE, options->screen.nativeWidth / 2, text->getCharacterSize(), "Jail Engine DEMO", 1, {255, 255, 255}, 1, {0, 0, 192});
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text->disableZoom();
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text->writeDX(TXT_CENTER | TXT_COLOR | TXT_STROKE, options->screen.nativeWidth / 2, text->getCharacterSize() * 4, "2023 JailDesigner", 1, {240, 240, 240}, 1, {0, 0, 192});
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debugText->writeDX(TXT_CENTER | TXT_COLOR | TXT_STROKE, options->screen.nativeWidth / 2, text->getCharacterSize() * 7, "Pulsa 'F1' o 'F2' para disminuir o aumentar la ventana", 1, {240, 240, 240}, 1, {0, 0, 192});
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debugText->writeDX(TXT_CENTER | TXT_COLOR | TXT_STROKE, options->screen.nativeWidth / 2, text->getCharacterSize() * 9, "Pulsa 'N' para mostrar una notificacion", 1, {240, 240, 240}, 1, {0, 0, 192});
|
|
debugText->writeDX(TXT_CENTER | TXT_COLOR | TXT_STROKE, options->screen.nativeWidth / 2, text->getCharacterSize() * 11, controllerName, 1, {240, 240, 240}, 1, {0, 0, 192});
|
|
debugText->writeDX(TXT_CENTER | TXT_COLOR | TXT_STROKE, options->screen.nativeWidth / 2, text->getCharacterSize() * 13, inputPressed, 1, {240, 240, 240}, 1, {0, 0, 192});
|
|
debugText->writeDX(TXT_CENTER | TXT_COLOR | TXT_STROKE, options->screen.nativeWidth / 2, options->screen.nativeHeight - (text->getCharacterSize() * 2), "Pulsa 'ESCAPE' para terminar el programa", 1, {240, 240, 240}, 1, {0, 0, 192});
|
|
}
|
|
|
|
// Dibuja los elementos del programa en pantalla
|
|
void render()
|
|
{
|
|
// Prepara el objeto screen para dibujar
|
|
screen->start();
|
|
screen->clean();
|
|
|
|
// Dibuja el efecto de fondo
|
|
renderFX();
|
|
|
|
// Dibuja el sprite
|
|
sprite->render();
|
|
|
|
// Dinuja el texto
|
|
renderText();
|
|
|
|
// Vuelca el buffer en pantalla
|
|
screen->blit();
|
|
}
|
|
|
|
// Libera la memoria reservada
|
|
void freeAll()
|
|
{
|
|
// Finaliza el sprite
|
|
if (sprite != nullptr)
|
|
delete sprite;
|
|
if (texture != nullptr)
|
|
delete texture;
|
|
|
|
// Finaliza el texto
|
|
if (text != nullptr)
|
|
delete text;
|
|
if (debugText != nullptr)
|
|
delete debugText;
|
|
|
|
// Finaliza el objeto input
|
|
if (input != nullptr)
|
|
delete input;
|
|
|
|
// Finaliza el objeto screen
|
|
if (screen != nullptr)
|
|
delete screen;
|
|
|
|
// Finaliza jail_audio
|
|
JA_DeleteSound(sound);
|
|
JA_DeleteMusic(music);
|
|
|
|
// Finaliza el objeto con la lista de recuros
|
|
if (asset != nullptr)
|
|
delete asset;
|
|
|
|
// Finaliza las opciones
|
|
if (options != nullptr)
|
|
delete options;
|
|
|
|
// Finaliza SDL y la ventana
|
|
if (event != nullptr)
|
|
delete event;
|
|
SDL_DestroyRenderer(renderer);
|
|
SDL_DestroyWindow(window);
|
|
SDL_Quit();
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
// Inicializa todo
|
|
initAll(argv);
|
|
|
|
// Bucle principal
|
|
while (!should_exit)
|
|
{
|
|
// Actualiza la lógica del programa
|
|
update();
|
|
|
|
// Dibuja los elementos del programa en pantalla
|
|
render();
|
|
}
|
|
|
|
// Libera la memoria reservada
|
|
freeAll();
|
|
|
|
return 0;
|
|
} |