54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
//
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// Created by william on 12/07/24.
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//
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#include "nametable_window.h"
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#include "dbg_nametable.h"
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#define NW_WIDTH (NW_ROW_TILE_COUNT * PATTERN_DRAW_SIZE)
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#define NW_HEIGHT (NW_ROW_COUNT * PATTERN_DRAW_SIZE)
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#define NW_BUFFER_SIZE (NAMETABLE_ROW_WIDTH * NAMETABLE_COL_HEIGHT * PATTERN_DRAW_SIZE * PATTERN_DRAW_SIZE)
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void nametable_window_init(NesNametableWindow *window) {
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int win_size = pattern_display_get_size(NW_ROW_TILE_COUNT);
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window->sdl_context = window_init("Nametable", win_size, win_size, NW_SCALE);
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window->texture = SDL_CreateTexture(window->sdl_context.renderer, SDL_PIXELFORMAT_ARGB8888,
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SDL_TEXTUREACCESS_STREAMING, NW_WIDTH, NW_HEIGHT);
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}
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void nametable_window_uninit(NesNametableWindow *window) {
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SDL_DestroyTexture(window->texture);
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window_uninit(window->sdl_context);
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}
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void nametable_window_update_bank(NesNametableWindow *window, int bank, pixel* buffer) {
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dbg_nametable_render_bank(bank, buffer);
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SDL_Rect rect;
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rect.w = NAMETABLE_ROW_WIDTH * PATTERN_DRAW_SIZE;
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rect.h = NAMETABLE_COL_HEIGHT * PATTERN_DRAW_SIZE;
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rect.x = (bank & 1) * rect.w;
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rect.y = ((bank & 2) >> 1) * rect.h;
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SDL_UpdateTexture(window->texture, &rect, buffer, (NW_WIDTH / 2) * sizeof(pixel));
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}
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void nametable_window_update(NesNametableWindow *window) {
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dbg_nametable_update();
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pixel buffer[NW_BUFFER_SIZE * 4] = {0};
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nametable_window_update_bank(window, 0, buffer);
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nametable_window_update_bank(window, 1, buffer);
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nametable_window_update_bank(window, 2, buffer);
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nametable_window_update_bank(window, 3, buffer);
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}
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void nametable_window_render(NesNametableWindow *window) {
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SDL_RenderClear(window->sdl_context.renderer);
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SDL_RenderCopy(window->sdl_context.renderer, window->texture, NULL, NULL);
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}
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void nametable_window_present(NesNametableWindow *window) {
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SDL_RenderPresent(window->sdl_context.renderer);
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} |