ref: c25c807edfd4d1947581f89d95774a5e553dc371
author: mkf <mkf>
date: Tue Apr 18 03:00:04 EDT 2023
import sources
--- /dev/null
+++ b/game.cpp
@@ -1,0 +1,139 @@
+/*
+ Mastermind impl.
+
+ todo:
+ fix XXXs in code,
+*/
+
+#include <iostream>
+
+using namespace std;
+
+// io functions
+void printrules();
+uint getlen();
+uint getguess();
+void compere(uint goal, uint guess);
+
+// aux functions
+uint length(uint n);
+uint gengoal(uint n);
+int digit(int number, int index);
+
+void printrules()
+{+ cout << "Hi," << endl;
+}
+
+uint getlen()
+{+ int len;
+ /* hopefully not long */
+ cout << "how long? " << endl;
+ cin >> len;
+ while(len < 1)
+ {+ cerr << "Sorry, please enter a 1+ number" << endl;
+ len = getlen();
+ }
+ return len;
+}
+
+uint getguess()
+{+ /* "sang bozorg neshane nazadan ast" */
+ char guess[512];
+ int i = 0, temp = 0;
+ cout << "guess? " << endl;
+ cin >> guess;
+ while(guess[i] != '\0')
+ {+ /* see if it's either a number or space,
+ SCREAM loudly otherwise! */
+ if((guess[i] >= '0') && (guess[i] <= '9'))
+ {+ /* because we can't put ascii into int directly */
+ temp = (guess[i] - '0') + temp;
+ temp *= 10;
+ }
+
+ else if(guess[i] != ' ')
+ {+ cerr << "That's not a number" << endl;
+ return getguess();
+ }
+ }
+ return temp;
+}
+
+uint length(uint n)
+{+ uint t = 0;
+ while(n > 0)
+ {+ n /= 10;
+ t++;
+ }
+ return t;
+}
+
+/* generates an uint, with n digits,
+ used to make a goal */
+uint gengoal(uint n)
+{+ uint num = 0;
+ /* it's technically legal, but
+ we get a int that's shorter than n */
+ do
+ num = rand() % 10;
+ while (num == 0)
+
+ while(n > 0)
+ {+ num *= 10;
+ num += rand()%10;
+ n--;
+ }
+ return num;
+}
+
+/* we could also use arrays for this,
+ alas, that would a can of worms
+ digit(number, index) = number[index] */
+int digit(int number, int index)
+{+ if((index > length(number)) || (index < 0))
+ return -1;
+
+ int i = 0, j;
+ while(i < index)
+ {+ j = number % 10;
+ number /= 10;
+ i++;
+ }
+ return j;
+}
+
+void compere(uint goal, uint guess)
+{+ int i = 0;
+ while(i < length(goal))
+ {+ if(digit(goal, i) == digit(guess, i))
+ cout << '#';
+ else
+ cout << 'X';
+ i++;
+ }
+}
+
+int main()
+{+ uint len, goal;
+ printrules();
+ len = getlen();
+ goal = gengoal(len);
+ cout << len << endl;
+ cout << goal << endl;
+}
\ No newline at end of file