diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Makefile | 7 | ||||
| -rw-r--r-- | demo.c | 111 |
3 files changed, 117 insertions, 2 deletions
diff --git a/.gitignore b/.gitignore index 3c9fa20..986bf84 100644 --- a/.gitignore +++ b/.gitignore @@ -2,4 +2,5 @@ *.o CARDS.DLL SOL.EXE +demo dump diff --git a/Makefile b/Makefile index 68e6a17..e6c8651 100644 --- a/Makefile +++ b/Makefile @@ -7,11 +7,14 @@ LDLIBS = -lSDL2 -include config.mk -BINS = dump -OBJS = cards.o dump.o +BINS = demo dump +OBJS = cards.o demo.o dump.o all: $(BINS) +demo: cards.o demo.o + $(CC) $(LDFLAGS) cards.o demo.o $(LDLIBS) -o demo + dump: cards.o dump.o $(CC) $(LDFLAGS) cards.o dump.o $(LDLIBS) -o dump diff --git a/demo.c b/demo.c new file mode 100644 index 0000000..a5116de --- /dev/null +++ b/demo.c @@ -0,0 +1,111 @@ +/* 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; +} |