nesemu/gui/pattern_display.h

//
// Created by william on 12/07/24.
//

#ifndef NES_EMULATOR_PATTERN_DISPLAY_H
#define NES_EMULATOR_PATTERN_DISPLAY_H

#include <SDL.h>
#include "../include/types.h"

#define PATTERN_DISPLAY_STATIC SDL_TEXTUREACCESS_STATIC
#define PATTERN_DISPLAY_DYNAMIC SDL_TEXTUREACCESS_STREAMING

#define PATTERN_SIZE 8
#define PATTERN_BORDER_WIDTH 1
#define PATTERN_BORDER_COLOR 0xff2223b2
#define PATTERN_DRAW_SIZE (PATTERN_SIZE + PATTERN_BORDER_WIDTH)

typedef unsigned int pixel;

typedef byte *(*read_func)(address, void *);

typedef struct pattern_tile {
    byte data_low[8];
    byte data_high[8];
} PatternTile;

typedef struct pattern_display {
    SDL_Texture *texture;
    PatternTile *tiles;
    int width;
    int height;
} PatternDisplay;

static inline int pattern_display_get_size(int tile_count) {
    return tile_count * PATTERN_DRAW_SIZE + PATTERN_BORDER_WIDTH;
}

void pattern_display_init(PatternDisplay *display, SDL_Renderer *renderer, int tiles_x, int tiles_y, int display_type);

void pattern_display_uninit(PatternDisplay *display);

void pattern_display_build(PatternDisplay *display, read_func read_func, void *read_func_data);

void pattern_display_render(PatternDisplay *display, SDL_Renderer *renderer);

#endif //NES_EMULATOR_PATTERN_DISPLAY_H