118 lines
3.8 KiB
C
118 lines
3.8 KiB
C
#include "gui.h"
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#include <stdbool.h>
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#include <SDL.h>
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#include <SDL_image.h>
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#include <SDL_ttf.h>
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const SCREEN_WIDTH = 800;
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const SCREEN_HEIGHT = 920;
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SDL_Window* window = NULL;
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// SDL_Surface* screenSurface = NULL;
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SDL_Renderer *window_renderer = NULL;
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SDL_Texture* tile_texture = NULL;
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SDL_Texture* tile_textures[13];
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SDL_Rect tile_size;
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SDL_Texture *texture_from_png(char *n) {
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SDL_Surface *s = IMG_Load(n);
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SDL_Texture *t = SDL_CreateTextureFromSurface( window_renderer, s);
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SDL_FreeSurface(s);
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return t;
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}
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void gui_init() {
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//Initialize SDL
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if( SDL_Init( SDL_INIT_VIDEO ) < 0 )
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{
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printf( "SDL could not initialize! SDL_Error: %s\n", SDL_GetError() );
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}
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window = SDL_CreateWindow( "2048", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN );
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if( window == NULL )
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{
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printf( "Window could not be created! SDL_Error: %s\n", SDL_GetError() );
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}
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// screenSurface = SDL_GetWindowSurface(window);
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// SDL_FillRect(screenSurface, NULL, SDL_MapRGB(screenSurface->format, 255, 255, 255));
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// create renderer and render white window
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window_renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
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SDL_SetRenderDrawColor(window_renderer, 0xFF, 0xFF, 0xFF, 0xFF );
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SDL_RenderClear(window_renderer);
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SDL_RenderPresent(window_renderer);
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// SDL_UpdateWindowSurface(window);
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// load up textures
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tile_texture = texture_from_png("res/tile.png");
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tile_textures[0] = tile_texture;
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tile_textures[1] = texture_from_png("res/2.png");
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tile_textures[3] = texture_from_png("res/4.png");
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tile_textures[4] = texture_from_png("res/8.png");
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tile_textures[5] = texture_from_png("res/16.png");
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tile_textures[6] = texture_from_png("res/32.png");
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tile_textures[7] = texture_from_png("res/64.png");
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tile_textures[8] = texture_from_png("res/128.png");
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tile_textures[9] = texture_from_png("res/256.png");
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tile_textures[10] = texture_from_png("res/512.png");
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tile_textures[11] = texture_from_png("res/1024.png");
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tile_textures[12] = texture_from_png("res/2048.png");
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tile_size.x = 0;
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tile_size.y = 0;
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SDL_QueryTexture(tile_texture, NULL, NULL, &tile_size.w, &tile_size.h);
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}
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void gui_destroy() {
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//Destroy window
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SDL_DestroyWindow( window );
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SDL_DestroyRenderer(window_renderer);
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//Quit SDL subsystems
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SDL_Quit();
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}
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void gui_loop(Game *game) {
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bool quit = false;
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bool needs_redraw = true; // there's no need to redraw window when nothing's changed. will be set to false later. first run has to be always done
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SDL_Event e;
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while(!quit) {
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while( SDL_PollEvent( &e ) != 0 )
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{
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needs_redraw = true;
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//User requests quit
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if( e.type == SDL_QUIT )
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{
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quit = true;
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}
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}
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if (needs_redraw) {
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SDL_RenderClear(window_renderer);
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SDL_Rect tile_rect = tile_size;
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for (int i = 0; i < game->field_size_x; i++) {
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tile_rect.x = i * 175;
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for (int j = 0; j < game->field_size_y; j++) {
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tile_rect.y = j * 175;
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// get texture index from value
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for (int k = 0; k < 13; k++) {
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if (!(game->field[i][j] >> k)) {
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SDL_RenderCopy( window_renderer, tile_textures[k], NULL, &tile_rect);
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break;
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}
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}
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// SDL_RenderCopy( window_renderer, tile_texture, NULL, &tile_rect);
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}
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}
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SDL_RenderPresent(window_renderer);
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needs_redraw = false;
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}
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}
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} |