-uint16_t read_uint16_bigendian(FILE * file) {
-// Read uint16 from file in big-endian order.
- const uint16_t nchar = UCHAR_MAX + 1;
- unsigned char a = fgetc(file);
- unsigned char b = fgetc(file);
- return (a * nchar) + b; }
-
-void write_uint16_bigendian(uint16_t x, FILE * file) {
-// Write uint16 to file in beg-endian order.
- const uint16_t nchar = UCHAR_MAX + 1;
- unsigned char a = x / nchar;
- unsigned char b = x % nchar;
- fputc(a, file);
- fputc(b, file); }
-
-uint32_t read_uint32_bigendian(FILE * file) {
-// Read uint32 from file in big-endian order.
- const uint16_t nchar = UCHAR_MAX + 1;
- unsigned char a = fgetc(file);
- unsigned char b = fgetc(file);
- unsigned char c = fgetc(file);
- unsigned char d = fgetc(file);
- return (a * nchar * nchar * nchar) + (b * nchar * nchar) + (c * nchar) + d; }
-
-void write_uint32_bigendian(uint32_t x, FILE * file) {
-// Write uint32 to file in beg-endian order.
- const uint16_t nchar = UCHAR_MAX + 1;
- unsigned char a = x / (nchar * nchar * nchar);
- unsigned char b = (x - (a * nchar * nchar * nchar)) / (nchar * nchar);
- unsigned char c = (x - ((a * nchar * nchar * nchar) + (b * nchar * nchar))) / nchar;
- unsigned char d = x % nchar;
- fputc(a, file);
- fputc(b, file);
- fputc(c, file);
- fputc(d, file); }
-
-void load_game(struct World * world) {
-// Load game data from game file.
- FILE * file = fopen("savefile", "r");
- world->seed = read_uint32_bigendian(file);
- world->turn = read_uint32_bigendian(file);
- world->player->y = read_uint16_bigendian(file);
- world->player->x = read_uint16_bigendian(file);
- world->monster->y = read_uint16_bigendian(file);
- world->monster->x = read_uint16_bigendian(file);
- fclose(file); }
-