nesemu/gui/pattern_window.c

50 lines
1.4 KiB
C

//
// Created by william on 6/14/24.
//
#include "pattern_window.h"
#include "dbg_pattern_table.h"
#define PW_WIDTH (PW_ROW_TILE_COUNT * PATTERN_DRAW_SIZE)
#define PW_HEIGHT (PW_WIDTH * 2)
#define PW_BUFFER_SIZE (PW_WIDTH * PW_HEIGHT)
void pattern_window_init(NesPatternWindow *window) {
window->window = window_create("Pattern Table", PW_WIDTH, PW_HEIGHT, PW_SCALE);
window->texture = window_create_texture(&window->window, SDL_TEXTUREACCESS_STATIC);
window->palette = 0;
}
void pattern_window_uninit(NesPatternWindow *window) {
SDL_DestroyTexture(window->texture);
window_destroy(&window->window);
}
void pattern_window_build_table(NesPatternWindow *window) {
pixel buffer[PW_BUFFER_SIZE] = {0};
dbg_pattern_draw_bank(PATTERN_BANK_0, buffer, window->palette);
dbg_pattern_draw_bank(PATTERN_BANK_1, &buffer[PW_WIDTH * (PW_HEIGHT / 2)], window->palette);
SDL_UpdateTexture(window->texture, NULL, buffer, PW_WIDTH * sizeof(pixel));
}
void pattern_window_key_up(NesPatternWindow *window, SDL_KeyCode keycode) {
if (keycode != SDLK_o) {
return;
}
window->palette++;
if (window->palette > PW_PALETTE_MAX) {
window->palette = 0;
}
pattern_window_build_table(window);
}
void pattern_window_render(NesPatternWindow *window) {
window_render_texture(&window->window, window->texture);
}
void pattern_window_present(NesPatternWindow *window) {
window_present(&window->window);
}