diff options
Diffstat (limited to 'src/gen_tiles.c')
| -rw-r--r-- | src/gen_tiles.c | 168 |
1 files changed, 131 insertions, 37 deletions
diff --git a/src/gen_tiles.c b/src/gen_tiles.c index 3133805..fecba4e 100644 --- a/src/gen_tiles.c +++ b/src/gen_tiles.c @@ -1,55 +1,149 @@ #include <stdio.h> +#include <stdlib.h> +#include <string.h> #include <sys/stat.h> #include "ppm.h" -int tile_0[9] = { - 0, 0, 0, - 0, 0, 0, - 0, 0, 0 -}; +#define TILES 3 +#define TILE_WIDTH 3 +#define TILE_HEIGHT 3 +#define TILE_SZ ((TILE_WIDTH) * (TILE_HEIGHT)) -int tile_1[9] = { - 0, 1, 0, - 1, 1, 1, - 0, 0, 0 -}; +FILE *fp; -int tile_2[9] = { - 0, 1, 0, - 0, 1, 1, - 0, 1, 0 -}; +// possible types: X T I +char symetry[TILES] = "XTI"; -int tile_3[9] = { - 0, 1, 0, - 1, 1, 0, - 0, 1, 0 +small_t tiles[TILES][TILE_SZ] = { + { + 0, 0, 0, + 0, 0, 0, + 0, 0, 0 + }, { + 0, 1, 0, + 1, 1, 1, + 0, 0, 0 + // }, { + // 0, 1, 0, + // 1, 1, 1, + // 0, 1, 0 + },{ + 0, 0, 0, + 1, 1, 1, + 0, 0, 0 + } }; -int tile_4[9] = { - 0, 0, 0, - 1, 1, 1, - 0, 1, 0 -}; -int tile_5[9] = { - 0, 1, 0, - 1, 1, 1, - 0, 1, 0 +small_t tiles_connections[TILES][4] = { + { 0, 0, 0, 0 }, + { 1, 1, 1, 0 }, + // { 1, 1, 1, 1 }, + { 0, 1, 1, 0 }, }; -void gen() +int rotate(int x, int y, int r) +{ + switch(r) { + case 0: // no roatate + return y * TILE_WIDTH + x; + case 1: // right + return (TILE_SZ-TILE_WIDTH) + y - (x * TILE_WIDTH); + case 2: // left + return (TILE_WIDTH-1) - y + (x * TILE_WIDTH); + case 3: // down + return (TILE_SZ-1) - (y * TILE_WIDTH) - x; + } + + return -1; +} + +int crotate(int n, int r) +{ + switch(r) { + case 0: + return n; + case 1: + return (n + 1) % 4; + case 2: + return (n + 2) % 4; + case 3: + return (n + 3) % 4; + } + + return -1; +} + +void rotate_tiles(small_t *tile, int i, int r) +{ + for(size_t y = 0; y < TILE_HEIGHT; y++) + for(size_t x = 0; x < TILE_WIDTH; x++) + tile[y * TILE_WIDTH + x] = tiles[i][rotate(x, y, r)]; +} + +void rotate_connections(small_t *tc, int i, int r) { - mkdir("files/", S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); - save_as_ppm("files/tile_0.ppm", tile_0, 3, 3, 1); - save_as_ppm("files/tile_1.ppm", tile_1, 3, 3, 1); - save_as_ppm("files/tile_2.ppm", tile_2, 3, 3, 1); - save_as_ppm("files/tile_3.ppm", tile_3, 3, 3, 1); - save_as_ppm("files/tile_4.ppm", tile_4, 3, 3, 1); - save_as_ppm("files/tile_5.ppm", tile_5, 3, 3, 1); + for(int j = 0; j < 4; j++) + tc[j] = tiles_connections[i][crotate(j, r)]; } +void save(small_t *t, small_t *n, int i) +{ + char file_name[64] = {0}; + + sprintf(file_name, "files/tiles/tile_%d.ppm", i); + save_as_ppm(file_name, t, TILE_WIDTH, TILE_HEIGHT, 1); + printf("Saved file: %s\n", file_name); + + small_t connections = 0; + for(int c = 0; c < 4; c++) + { + connections |= (n[c] << (3-c)); + } + + fwrite(&connections, sizeof(connections), 1, fp); +} + +void gen_rotations() +{ + mkdir("files", S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); + mkdir("files/tiles", S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); + + fp = fopen("files/tiles/tiles.dat", "wb"); + + for(int i = 0, r = 0; i < TILES; i++) + { + small_t tile[TILE_SZ]; + small_t tile_connections[4]; + switch(symetry[i]) + { + case 'X': + save(tiles[i], tiles_connections[i], i+r); + break; + case 'T': ; + for(; r < 4; r++) { + rotate_tiles(tile, i, r); + rotate_connections(tile_connections, i, r); + + save(tile, tile_connections, i+r); + } + r--; + break; + case 'I': + save(tiles[i], tiles_connections[i], i+r); + r++; + rotate_tiles(tile, i, 2); + rotate_connections(tile_connections, i, 2); + save(tile, tile_connections, i+r); + break; + } + } + + fclose(fp); +} + + int main(void) { - gen(); + gen_rotations(); return 0; } |