90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
#pragma once
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#include <SDL3/SDL.h> // Para Uint8, SDL_FRect, SDL_Renderer, SDL_Texture, Uint16
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#include <vector> // Para vector
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struct Color;
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// Tipos de fundido
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enum class FadeType : Uint8 {
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FULLSCREEN = 0,
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CENTER = 1,
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RANDOM_SQUARE = 2,
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VENETIAN = 3,
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};
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// Modos de fundido
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enum class FadeMode : Uint8 {
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IN = 0,
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OUT = 1,
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};
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// Estados del objeto
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enum class FadeState : Uint8 {
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NOT_ENABLED = 0,
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PRE = 1,
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FADING = 2,
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POST = 3,
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FINISHED = 4,
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};
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class Fade {
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public:
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// --- Constructores y destructor ---
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Fade();
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~Fade();
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// --- Métodos principales ---
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void reset(); // Resetea variables para reutilizar el fade
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void render(); // Dibuja la transición en pantalla
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void update(); // Actualiza el estado interno
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void activate(); // Activa el fade
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// --- Configuración ---
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void setColor(Uint8 r, Uint8 g, Uint8 b);
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void setColor(Color color);
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void setType(FadeType type) { type_ = type; }
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void setMode(FadeMode mode) { mode_ = mode; }
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void setPostDuration(int value) { post_duration_ = value; }
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void setPreDuration(int value) { pre_duration_ = value; }
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// --- Getters ---
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[[nodiscard]] auto getValue() const -> int { return value_; }
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[[nodiscard]] auto isEnabled() const -> bool { return state_ != FadeState::NOT_ENABLED; }
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[[nodiscard]] auto hasEnded() const -> bool { return state_ == FadeState::FINISHED; }
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private:
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// --- Objetos y punteros ---
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SDL_Renderer *renderer_; // Renderizador de la ventana
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SDL_Texture *backbuffer_; // Backbuffer para efectos
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// --- Variables de estado ---
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FadeType type_; // Tipo de fade
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FadeMode mode_; // Modo de fade
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FadeState state_ = FadeState::NOT_ENABLED; // Estado actual
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Uint16 counter_; // Contador interno
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// --- Parámetros de color y geometría ---
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Uint8 r_, g_, b_, a_; // Color del fade
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SDL_FRect rect1_, rect2_; // Rectángulos para efectos
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// --- Parámetros para RANDOM_SQUARE ---
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int num_squares_width_; // Cuadrados en horizontal
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int num_squares_height_; // Cuadrados en vertical
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std::vector<SDL_FRect> square_; // Vector de cuadrados
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int fade_random_squares_delay_; // Delay entre cuadrados
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int fade_random_squares_mult_; // Cuadrados por paso
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// --- Temporizadores ---
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int post_duration_ = 0, post_counter_ = 0;
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int pre_duration_ = 0, pre_counter_ = 0;
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// --- Valor de progreso ---
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int value_ = 0; // Estado del fade (0-100)
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// --- Métodos internos ---
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void init(); // Inicializa variables
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void cleanBackbuffer(Uint8 r, Uint8 g, Uint8 b, Uint8 a); // Limpia el backbuffer
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auto calculateValue(int min, int max, int current) -> int; // Calcula el valor del fade
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}; |