| 1 | #include <stdio.h> |
| 2 | |
| 3 | |
| 4 | #define BUFFSIZE 128 |
| 5 | |
| 6 | |
| 7 | struct rgb_color { |
| 8 | unsigned int red, green, blue; |
| 9 | }; |
| 10 | |
| 11 | struct rgb_color Colors[16]; |
| 12 | |
| 13 | char Head[256]; |
| 14 | |
| 15 | int landing = 0; |
| 16 | int FishCount = 0; |
| 17 | |
| 18 | int buff[BUFFSIZE]; |
| 19 | int buffindx = BUFFSIZE; |
| 20 | |
| 21 | |
| 22 | int buffget(); |
| 23 | |
| 24 | |
| 25 | void |
| 26 | readandwrite(w, h) |
| 27 | int w, h; |
| 28 | { |
| 29 | FILE *fp; |
| 30 | int i, j; |
| 31 | int val1, val2; |
| 32 | char name1[256]; |
| 33 | char name2[256]; |
| 34 | |
| 35 | landing = 1; |
| 36 | sprintf(name1, "%s%03d.1", Head, FishCount); |
| 37 | sprintf(name2, "%s%03d.2", Head, FishCount); |
| 38 | fprintf(stderr, "Landing into files (%s) and (%s)\n", name1, name2); |
| 39 | |
| 40 | fp = fopen(name1, "w"); |
| 41 | if (fp == NULL) { |
| 42 | fprintf(stderr, "You should have seen the one that got away!\n"); |
| 43 | fprintf(stderr, " (cannot open (%s) for write)\n", name1); |
| 44 | exit(1); |
| 45 | } |
| 46 | fprintf(fp, "xstitch_data %d %d 256\nred green blue\n", w, h); |
| 47 | for (i = 0; i < 16; i++) { |
| 48 | fprintf(fp, "%d %d %d\n", Colors[i].red, Colors[i].green, Colors[i].blue); |
| 49 | } |
| 50 | for (i = 16; i < 256; i++) { |
| 51 | fprintf(fp, "0 0 0\n"); |
| 52 | } |
| 53 | for (j = 0; j < h; j++) { |
| 54 | for (i = 0; i < (w / 2); i++) { |
| 55 | val1 = buffget(); |
| 56 | val2 = (val1 >> 4) & 0x0f; |
| 57 | fprintf(fp, "%d ", val2); |
| 58 | val2 = val1 & 0x0f; |
| 59 | fprintf(fp, "%d ", val2); |
| 60 | } |
| 61 | fprintf(fp, "\n"); |
| 62 | } |
| 63 | fclose(fp); |
| 64 | |
| 65 | for (i = 0; i < ((w / 2) * (h / 2)); i++) { |
| 66 | val1 = buffget(); |
| 67 | } |
| 68 | |
| 69 | fp = fopen(name2, "w"); |
| 70 | if (fp == NULL) { |
| 71 | fprintf(stderr, "You should have seen the one that got away!\n"); |
| 72 | fprintf(stderr, " (cannot open (%s) for write)\n", name2); |
| 73 | exit(1); |
| 74 | } |
| 75 | fprintf(fp, "xstitch_data %d %d 256\nred green blue\n", w, h); |
| 76 | for (i = 0; i < 16; i++) { |
| 77 | fprintf(fp, "%d %d %d\n", Colors[i].red, Colors[i].green, Colors[i].blue); |
| 78 | } |
| 79 | for (i = 16; i < 256; i++) { |
| 80 | fprintf(fp, "0 0 0\n"); |
| 81 | } |
| 82 | for (j = 0; j < h; j++) { |
| 83 | for (i = 0; i < (w / 2); i++) { |
| 84 | val1 = buffget(); |
| 85 | val2 = (val1 >> 4) & 0x0f; |
| 86 | fprintf(fp, "%d ", val2); |
| 87 | val2 = val1 & 0x0f; |
| 88 | fprintf(fp, "%d ", val2); |
| 89 | } |
| 90 | fprintf(fp, "\n"); |
| 91 | } |
| 92 | fclose(fp); |
| 93 | |
| 94 | landing = 0; |
| 95 | FishCount++; |
| 96 | } |
| 97 | |
| 98 | |
| 99 | void |
| 100 | fillbuff() |
| 101 | { |
| 102 | int i; |
| 103 | |
| 104 | if (buffindx < BUFFSIZE) { |
| 105 | for (i = buffindx; i < BUFFSIZE; i++) { |
| 106 | buff[(i - buffindx)] = buff[i]; |
| 107 | } |
| 108 | buffindx = BUFFSIZE - buffindx; |
| 109 | } else { |
| 110 | buffindx = 0; |
| 111 | } |
| 112 | |
| 113 | for (i = buffindx; i < BUFFSIZE; i++) { |
| 114 | buff[i] = fgetc(stdin); |
| 115 | if (buff[i] == EOF) { |
| 116 | if (landing) { |
| 117 | fprintf(stderr, "You should have seen the one that got away!\n"); |
| 118 | } |
| 119 | fprintf(stderr, " (EOF reached)\n"); |
| 120 | exit(0); |
| 121 | } |
| 122 | } |
| 123 | buffindx = 0; |
| 124 | } |
| 125 | |
| 126 | |
| 127 | int |
| 128 | buffget() |
| 129 | { |
| 130 | int val; |
| 131 | |
| 132 | if (buffindx == BUFFSIZE) { |
| 133 | fillbuff(); |
| 134 | } |
| 135 | |
| 136 | val = buff[buffindx]; |
| 137 | buffindx++; |
| 138 | return (val); |
| 139 | } |
| 140 | |
| 141 | |
| 142 | int |
| 143 | lookstart() |
| 144 | { |
| 145 | int i, val; |
| 146 | |
| 147 | if ((buff[14] == 0) && (buff[15] == 0) && (buff[16] == 0) && (buff[17] == 15)) { |
| 148 | for (i = 0; i < 18; i++) { |
| 149 | val = buffget(); |
| 150 | } |
| 151 | return (1); |
| 152 | } |
| 153 | return (0); |
| 154 | } |
| 155 | |
| 156 | |
| 157 | int |
| 158 | lookhint(w, h) |
| 159 | int *w; |
| 160 | int *h; |
| 161 | { |
| 162 | int vals[4]; |
| 163 | int i, indx, indx2, status; |
| 164 | |
| 165 | vals[0] = buffget(); |
| 166 | vals[1] = buffget(); |
| 167 | vals[2] = buffget(); |
| 168 | vals[3] = buffget(); |
| 169 | |
| 170 | |
| 171 | indx = 0; |
| 172 | while (1) { |
| 173 | indx2 = indx; |
| 174 | if (vals[indx2] == 0) { |
| 175 | indx2++; |
| 176 | if (indx2 == 4) { |
| 177 | indx2 = 0; |
| 178 | } |
| 179 | if (vals[indx2] != 0) { |
| 180 | *w = vals[indx2]; |
| 181 | indx2++; |
| 182 | if (indx2 == 4) { |
| 183 | indx2 = 0; |
| 184 | } |
| 185 | if (vals[indx2] == 0) { |
| 186 | indx2++; |
| 187 | if (indx2 == 4) { |
| 188 | indx2 = 0; |
| 189 | } |
| 190 | if (vals[indx2] != 0) { |
| 191 | *h = vals[indx2]; |
| 192 | fillbuff(); |
| 193 | fprintf(stderr, "?"); |
| 194 | status = lookstart(); |
| 195 | if (status) { |
| 196 | return; |
| 197 | } |
| 198 | } |
| 199 | } |
| 200 | } |
| 201 | } |
| 202 | vals[indx] = buffget(); |
| 203 | indx++; |
| 204 | if (indx == 4) { |
| 205 | indx = 0; |
| 206 | } |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | |
| 211 | int |
| 212 | lookfish() |
| 213 | { |
| 214 | int i, indx; |
| 215 | |
| 216 | indx = buffindx; |
| 217 | for (i = 0; i < 16; i++) { |
| 218 | if ((buff[indx] != 0) || (buff[indx + 1] != i)) { |
| 219 | return (0); |
| 220 | } |
| 221 | indx += 2; |
| 222 | /* check red |
| 223 | if (buff[indx] != buff[indx + 1]) |
| 224 | { |
| 225 | return(0); |
| 226 | } |
| 227 | */ |
| 228 | indx += 2; |
| 229 | /* check green |
| 230 | if (buff[indx] != buff[indx + 1]) |
| 231 | { |
| 232 | return(0); |
| 233 | } |
| 234 | */ |
| 235 | indx += 2; |
| 236 | /* check blue |
| 237 | if (buff[indx] != buff[indx + 1]) |
| 238 | { |
| 239 | return(0); |
| 240 | } |
| 241 | */ |
| 242 | indx += 2; |
| 243 | } |
| 244 | return (1); |
| 245 | } |
| 246 | |
| 247 | |
| 248 | void |
| 249 | getcolors() |
| 250 | { |
| 251 | int i, val; |
| 252 | |
| 253 | for (i = 0; i < 16; i++) { |
| 254 | val = buffget(); |
| 255 | val = buffget(); |
| 256 | |
| 257 | val = buffget(); |
| 258 | Colors[i].red = val; |
| 259 | val = buffget(); |
| 260 | |
| 261 | val = buffget(); |
| 262 | Colors[i].green = val; |
| 263 | val = buffget(); |
| 264 | |
| 265 | val = buffget(); |
| 266 | Colors[i].blue = val; |
| 267 | val = buffget(); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | |
| 272 | main(argc, argv) |
| 273 | int argc; |
| 274 | char **argv; |
| 275 | { |
| 276 | int i, status; |
| 277 | int w, h; |
| 278 | |
| 279 | if (argc > 1) { |
| 280 | strcpy(Head, argv[1]); |
| 281 | } else { |
| 282 | strcpy(Head, "fish"); |
| 283 | } |
| 284 | fprintf(stderr, "Fishing .....\n"); |
| 285 | while (1) { |
| 286 | lookhint(&w, &h); |
| 287 | fprintf(stderr, "I've got a nibble. "); |
| 288 | fillbuff(); |
| 289 | fprintf(stderr, "Setting the hook. "); |
| 290 | status = lookfish(); |
| 291 | if (status == 0) { |
| 292 | fprintf(stderr, "Missed it!\n"); |
| 293 | continue; |
| 294 | } |
| 295 | getcolors(); |
| 296 | fprintf(stderr, "Got it!\n"); |
| 297 | readandwrite(w, h); |
| 298 | fprintf(stderr, "Trying for another .....\n"); |
| 299 | } |
| 300 | } |