Visited

#include #include #include char grid[150][150]; char visited[150][150]; void load() { char line[150]; int currentLineNumber = 0; FILE *f; memset(grid, 0, sizeof(grid)); memset(visited, 0, sizeof(visited)); f = fopen("reconfile.txt", "r"); while (!feof(f)) { memset(line, 0, sizeof(line)); fgets(line, 150, f); if (line[0] == 0) break; memcpy(grid[currentLineNumber], line, 150); currentLineNumber++; } fclose(f); } void walk() { int x = 0, y = 0, direction = 2; while (1) { visited[y][x] = 1; switch(grid[y][x]) { case '^': direction = 8; //printf("\nCHANGED DIRECTION @ (%d,%d): %c\n", x, y, grid[y][x]); printf("\n"); break; case '<': direction = 4; //printf("\nCHANGED DIRECTION @ (%d,%d): %c\n", x, y, grid[y][x]); printf("\n"); break; case '>': direction = 6; //printf("\nCHANGED DIRECTION @ (%d,%d): %c\n", x, y, grid[y][x]); printf("\n"); break; case 'v': direction = 2; //printf("\nCHANGED DIRECTION @ (%d,%d): %c\n", x, y, grid[y][x]); printf("\n"); break; case ' ': case '\t': break; case '@': printf("\nEXIT!\n"); return; case 0: printf("ERROR: WENT OUTSIDE DIAGRAM @ (%d,%d)\n", x, y); return; default: printf("%c", grid[y][x]); } switch(direction) { case 8: y--; break; case 4: x--; break; case 6: x++; break; case 2: y++; break; } if ((y < 0) || (x < 0) || (y > 149) || (x > 149)) { printf("ERROR: WENT OUTSIDE DIAGRAM (%d, %d)\n", x, y); } } } void printVisited() { FILE *out = fopen("visited.html", "w"); fprintf(out, "Visited"); fprintf(out, ""); fprintf(out, ""); for (int y = 0; y < 150; y++) { for (int x = 0; x < 150; x++) { if (!grid[y][x]) continue; if (visited[y][x]) fprintf(out, ""); if (grid[y][x] == ' ') fprintf(out, " "); else fprintf(out, "%c", grid[y][x]); if (visited[y][x]) fprintf(out, ""); } fprintf(out, "
\n"); } fprintf(out, "

\n"); fclose(out); } int main(int argc, char **argv) { load(); walk(); printVisited(); }