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/* Copyright (C) 2019 C. McEnroe <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <SDL.h>
#include "cards.h"
enum {
Width = 585,
Height = 402,
};
int main(void) {
if (SDL_Init(SDL_INIT_VIDEO) < 0) goto fail;
atexit(SDL_Quit);
SDL_Window *window;
SDL_Renderer *render;
int error = SDL_CreateWindowAndRenderer(
Width, Height, SDL_WINDOW_ALLOW_HIGHDPI,
&window, &render
);
if (error) goto fail;
int width, height;
if (SDL_GetRendererOutputSize(render, &width, &height) < 0) goto fail;
if (width != Width || height != Height) {
float scaleX = (float)width / Width;
float scaleY = (float)height / Height;
if (SDL_RenderSetIntegerScale(render, SDL_TRUE) < 0) goto fail;
if (SDL_RenderSetScale(render, scaleX, scaleY) < 0) goto fail;
}
// TODO: Path search/option.
SDL_RWops *rw = SDL_RWFromFile("CARDS.DLL", "rb");
if (!rw) goto fail;
struct Cards *cards = Cards_Load(
rw, Cards_ColorKey | Cards_AlphaCorners | Cards_BlackBorders
);
if (!cards) goto fail;
SDL_RWclose(rw);
SDL_Texture *textures[Cards_Count];
for (int i = 0; i < Cards_Count; ++i) {
textures[i] = NULL;
if (!cards->surfaces[i]) continue;
textures[i] = SDL_CreateTextureFromSurface(render, cards->surfaces[i]);
if (!textures[i]) goto fail;
}
Cards_Free(cards);
int card = Cards_Club + Cards_A;
SDL_Rect rect = { 11, 5, Cards_Width, Cards_Height };
for (;;) {
SDL_Event event;
if (!SDL_WaitEvent(&event)) goto fail;
if (event.type == SDL_QUIT) break;
if (event.type == SDL_KEYDOWN) {
if (event.key.keysym.sym == SDLK_LEFT) {
do {
card--;
if (!card) card = Cards_Count - 1;
} while (!textures[card]);
} else if (event.key.keysym.sym == SDLK_RIGHT) {
do {
card++;
if (card == Cards_Count) card = 0;
} while (!textures[card]);
}
}
if (event.type == SDL_MOUSEMOTION) {
if (event.motion.state & SDL_BUTTON_LMASK) {
rect.x += event.motion.xrel;
rect.y += event.motion.yrel;
}
}
// TODO: Determine if these checks are really necessary.
if (SDL_SetRenderDrawColor(render, 0x00, 0xAA, 0x55, 0xFF) < 0) goto fail;
if (SDL_RenderClear(render) < 0) goto fail;
if (SDL_RenderCopy(render, textures[card], NULL, &rect) < 0) goto fail;
SDL_RenderPresent(render);
}
return EXIT_SUCCESS;
fail:
fprintf(stderr, "%s\n", SDL_GetError());
return EXIT_FAILURE;
}
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