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main.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "rubix.h"
#include "print.h"
// Debug flag, enables numbers in cube output
#define NUM_CUBES 0
#define RUBIX_SIZE 55
byte cube[RUBIX_SIZE];
const char* cmds = "ulfrbd";
void print_cmd(char* cmd) {
printf(
"~ RUBIX CUBE 2000 ~~~~~~~~~~~~~~~\n"
"~ [email protected] (c) July 2024 ~\n"
"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
"? for help ~ cmds: "
);
for(int i=0;cmd[i]!='\0';i++) {
printf("%c", cmd[i]);
}
printf("\n");
}
void usage() {
printf(
"\nUSAGE: \n"
"q quit\n"
"? help\n"
"! debug mode\n"
"c reset cube\n"
"s scramble cube\n"
"turn cube clockwise (counter-clockwise):\n"
"u (u') turn up face\n"
"l (l') turn left face\n"
"r (r') turn right face\n"
"f (f') turn front face\n"
"b (b') turn back face\n"
"d (d') turn down face\n"
"\n"
);
}
int execute(byte* cube, byte* cmd, int ci) {
while(cmd[ci]!='\0'&&cmd[ci]!='\n') {
if (cmd[ci]>='A' && cmd[ci]<='Z') {
cmd[ci] += 32;
}
for(int i=0;i<6;i++) {
if(cmd[ci]==cmds[i]) {
if(cmd[ci+1]>='1'&&cmd[ci+1]<='4'){
rotate(cube, i, cmd[ci+1]-'0');
ci++;
}
else if(cmd[ci+1] == '\'') {
rotate(cube, i, -1);
ci++;
} else {
rotate(cube, i, 1);
}
break;
}
}
ci++;
}
return ci;
}
int prompt() {
reset(cube);
int ci = 0;
char cmd[1024] = {0};
byte skip = 0;
byte debug = 0;
while(1) {
if (!skip) {
printf("\e[1;1H\e[2J");
print_cmd(cmd);
print_cube(cube, NUM_CUBES);
}
if(debug) {
printf("\n");
print_nums(cube);
printf("\n");
}
printf("> ");
if (fgets(cmd + ci, sizeof(cmd), stdin) == NULL) {
return 0;
}
if(skip = cmd[ci]=='\n')
continue;
// Quit
if(cmd[ci]=='q')
return 0;
// reset
if(cmd[ci]=='c') {
reset(cube);
cmd[0] = 0;
ci = 0;
continue;
}
// scramble
if(cmd[ci]=='s') {
scramble(cube);
cmd[0] = 0;
ci = 0;
continue;
}
// Debug mode
if(cmd[ci]=='!'){
debug=!debug;
cmd[ci]=0;
continue;
}
// Help
if(cmd[ci]=='?') {
usage();
printf("Press any key to continue...");
getchar();
cmd[ci]= 0;
continue;
}
ci = execute(cube, cmd, ci);
while(cmd[ci]!='\n'&&cmd[ci]!=0) ci++;
cmd[ci++] = ' ';
}
}
int cli(int scram) {
reset(cube);
if(scram)
scramble(cube);
int ci = 0;
char cmd[1024] = {0};
while(1) {
print_cli(cube);
if (fgets(cmd + ci, sizeof(cmd), stdin) == NULL) {
return 0;
}
// Quit
if(cmd[ci]=='q')
return 0;
// reset
if(cmd[ci]=='c') {
reset(cube);
cmd[0] = 0;
ci = 0;
continue;
}
// scramble
if(cmd[ci]=='s') {
scramble(cube);
cmd[0] = 0;
ci = 0;
continue;
}
ci = execute(cube, cmd, ci);
while(cmd[ci]!='\n'&&cmd[ci]!=0) ci++;
cmd[ci++] = ' ';
}
}
int main(int argc, char *argv[]) {
if(argc>2&&strcmp(argv[1], "-s")==0) {
cli(atoi(argv[2]));
} else {
prompt();
}
}