diff options
| author | Pierre-Henri Symoneaux <pierre-henri.symoneaux@nokia.com> | 2016-11-27 18:49:18 +0100 |
|---|---|---|
| committer | Pierre-Henri Symoneaux <pierre-henri.symoneaux@nokia.com> | 2016-11-27 18:49:18 +0100 |
| commit | dc9e91c4fe6fb8384a95e756fc7acbc0868f21a5 (patch) | |
| tree | afc18732b4a4babd48b6d1449545518a97c80f79 /examples | |
| parent | 3f8539d4864cc9b3c9915b973647fc7224ea3caf (diff) | |
Added tic tac toe example (just for fun)
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/tictactoe.rs | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/examples/tictactoe.rs b/examples/tictactoe.rs new file mode 100644 index 0000000..3d25057 --- /dev/null +++ b/examples/tictactoe.rs @@ -0,0 +1,90 @@ +#[macro_use]extern crate prettytable;
+use prettytable::Table;
+
+use std::io;
+use std::io::Write;
+use std::str::FromStr;
+
+const CROSS: &'static str = "X";
+const EMPTY: &'static str = " ";
+const ROUND: &'static str = "O";
+
+fn main() {
+ let mut table = table![[EMPTY, EMPTY, EMPTY], [EMPTY, EMPTY, EMPTY], [EMPTY, EMPTY, EMPTY]];
+ table.printstd();
+ let stdin = io::stdin();
+ let mut stdout = io::stdout();
+ let mut current = CROSS;
+ loop {
+ let mut line = String::new();
+ print!("{} plays > ", current);
+ stdout.flush().unwrap();
+ stdin.read_line(&mut line).expect("Cannot read input");
+ let i = match usize::from_str(line.trim()) {
+ Ok(i) => i,
+ _ => {
+ println!("Bad input");
+ continue;
+ }
+ };
+ if i < 1 || i > 9 {
+ println!("Bad input, should be between 1 and 9");
+ continue;
+ }
+ let x = (i-1)%3;
+ let y = (i-1)/3;
+ {
+ let mut row = table.get_mut_row(y).unwrap();
+ if row.get_cell(x).unwrap().to_string() != EMPTY {
+ println!("There's already someone there");
+ continue;
+ }
+ row.set_cell(cell!(current), x).unwrap();
+ }
+ table.printstd();
+ if check(&table) {
+ return
+ }
+ if current == CROSS {
+ current = ROUND;
+ } else {
+ current = CROSS;
+ }
+ }
+}
+
+fn get(table: &Table, x: usize, y: usize) -> String {
+ match table.get_row(y) {
+ Some(ref r) => match r.get_cell(x){
+ Some(ref c) => c.to_string(),
+ _ => EMPTY.to_string()
+ },
+ _ => EMPTY.to_string()
+ }
+}
+
+fn is(table: &Table, s : &str, x: usize, y: usize) -> bool {
+ get(table, x, y).as_str() == s
+}
+
+fn check(table: &Table) -> bool {
+ let mut full = true;
+ for y in 0..3 {
+ for x in 0..3 {
+ if is(table, EMPTY, x, y) {
+ full = false;
+ continue;
+ }
+ let current = get(table, x, y);
+ let c = current.as_str();
+ if is(table, c, x+1, y) && is(table, c, x+2, y) || is(table, c, x+1, y+1) && is(table, c, x+2, y+2) || x >= 2 && is(table, c, x-1, y+1) && is(table, c, x-2, y+2) || is(table, c, x, y+1) && is(table, c, x, y+2) {
+ println!("Game is over. {} is the winner", current);
+ return true;
+ }
+ }
+ }
+ if full {
+ println!("Game is over. It's a draw");
+ }
+ return full;
+}
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