mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2026-01-02 00:00:14 -08:00
reformat only
This commit is contained in:
David Lotts
@@ -1,97 +1,131 @@
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use std::{io::{self, Write}};
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use nanorand::{tls::TlsWyRand, Rng};
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use std::io::{self, Write};
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use text_io::{read, try_read};
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/// Play Nim on the command line!
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fn main() {
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let mut rng = nanorand::tls_rng();
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println!("{:>37}","NIM"); //100
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println!("{:>15}{}","","CREATIVE COMPUTING MORRISTOWN, NEW JERSEY"); //110
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println!();println!();println!(); //120
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let mut piles = [0.0;100]; let mut b_piles = [[0.0;100];11]; let mut ix_do= [0usize;3]; //210
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println!("THIS IS THE GAME OF NIM."); //220
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//230
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loop{
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let instuct_me=input("DO YOU WANT INSTRUCTIONS"); //240
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if instuct_me=="NO" || instuct_me=="no" { break } //440 //260
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if instuct_me=="YES" || instuct_me=="yes" { instructions(); break }//310 //280
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println!("PLEASE ANSWER YES OR NO"); //290
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} //300
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println!("{:>37}", "NIM"); //100
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println!("{:>15}{}", "", "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY"); //110
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println!();
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println!();
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println!(); //120
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let mut piles = [0.0; 100];
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let mut b_piles = [[0.0; 100]; 11];
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let mut ix_do = [0usize; 3]; //210
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println!("THIS IS THE GAME OF NIM."); //220
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//230
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loop {
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let instuct_me = input("DO YOU WANT INSTRUCTIONS"); //240
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if instuct_me == "NO" || instuct_me == "no" {
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break;
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} //440 //260
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if instuct_me == "YES" || instuct_me == "yes" {
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instructions();
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break;
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} //310 //280
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println!("PLEASE ANSWER YES OR NO"); //290
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} //300
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'play_again: loop {
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println!(); //440
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let winner_take_last:bool =
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loop {
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let choice= input_int("ENTER WIN OPTION - 1 TO TAKE LAST, 2 TO AVOID LAST"); //460
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if (1..=2).contains(&choice) { break choice==1 } //490 //470
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println!(); //440
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let winner_take_last: bool = loop {
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let choice = input_int("ENTER WIN OPTION - 1 TO TAKE LAST, 2 TO AVOID LAST"); //460
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if (1..=2).contains(&choice) {
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break choice == 1;
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} //490 //470
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};
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let np=
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loop { //490
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let choice = input_int("ENTER NUMBER OF PILES"); //500
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if choice<=100 && choice>=1 { break choice }//490 //510
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//490 //520
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//490 //530
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let np = loop {
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//490
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let choice = input_int("ENTER NUMBER OF PILES"); //500
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if choice <= 100 && choice >= 1 {
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break choice;
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} //490 //510
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//490 //520
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//490 //530
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};
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println!("ENTER PILE SIZES"); //540
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for ix in 0..np as usize { //550
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piles[ix] =
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loop {
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let choice = input_int(&(ix+1).to_string()); //570
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if choice<=2000 && choice>=1 && choice>=1 { break choice as f64 }//560 //580
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//560 //600
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println!("ENTER PILE SIZES"); //540
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for ix in 0..np as usize {
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//550
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piles[ix] = loop {
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let choice = input_int(&(ix + 1).to_string()); //570
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if choice <= 2000 && choice >= 1 && choice >= 1 {
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break choice as f64;
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} //560 //580
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//560 //600
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}
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} //610
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let human_first =
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loop {//620
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let choice = input("DO YOU WANT TO MOVE FIRST"); //630
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} //610
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let human_first = loop {
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//620
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let choice = input("DO YOU WANT TO MOVE FIRST"); //630
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let choice = choice.to_lowercase();
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if choice=="yes" { break true } //1450 //650
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if choice=="no" { break false }//700 //670
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println!("PLEASE ANSWER YES OR NO."); //680
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}; //690
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if choice == "yes" {
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break true;
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} //1450 //650
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if choice == "no" {
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break false;
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} //700 //670
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println!("PLEASE ANSWER YES OR NO."); //680
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}; //690
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let mut winner = WinState::GameOn;
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if human_first {winner = human_turn(winner_take_last, np, &mut piles);};
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if human_first {
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winner = human_turn(winner_take_last, np, &mut piles);
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};
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//### main game loop
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if winner.is_game_on() {
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winner =
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loop {
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winner = loop {
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// break on winner returning from here:
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let win = machines_turn(&mut rng, winner_take_last, np, &mut piles, &mut ix_do, &mut b_piles);
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if ! win.is_game_on() {
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let win = machines_turn(
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&mut rng,
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winner_take_last,
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np,
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&mut piles,
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&mut ix_do,
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&mut b_piles,
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);
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if !win.is_game_on() {
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break win;
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}; //starts at 700
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}; //starts at 700
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println!("PILE SIZE"); //1380
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for ix in 0..np as usize { //1390
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println!("{} {}",ix+1,piles[ix]); //1400
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}// NEXT ix //1410
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println!("PILE SIZE"); //1380
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for ix in 0..np as usize {
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//1390
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println!("{} {}", ix + 1, piles[ix]); //1400
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} // NEXT ix //1410
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// break on winner returning from here:
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let win = human_turn(winner_take_last, np, &mut piles);
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if ! win.is_game_on() {
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if !win.is_game_on() {
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break win;
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};
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// GOTO 700 //1560
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};
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}
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println!("MACHINE {}", if winner==WinState::ComputerWins{"WINS"}else{"LOSES"});
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println!(
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"MACHINE {}",
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if winner == WinState::ComputerWins {
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"WINS"
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} else {
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"LOSES"
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}
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);
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loop {
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// Game over //1640
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let choice = input("do you want to play another game"); //1650
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// Game over //1640
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let choice = input("do you want to play another game"); //1650
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match choice.to_ascii_lowercase().as_str() {
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"yes" => { break }, //1720 //1660
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"no" => { break 'play_again },//1730 //1680
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_ => println!("PLEASE. YES OR NO."), //1700
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} // GOTO 1650 //1710
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} // GOTO 440 //1720
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} // END //1730
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"yes" => break, //1720 //1660
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"no" => break 'play_again, //1730 //1680
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_ => println!("PLEASE. YES OR NO."), //1700
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} // GOTO 1650 //1710
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} // GOTO 440 //1720
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} // END //1730
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}
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#[derive(PartialEq)]
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enum WinState {
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GameOn,
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ComputerWins,
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HumanWins
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HumanWins,
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}
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impl WinState {
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@@ -103,151 +137,212 @@ impl WinState {
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}
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}
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/// Computer's turn
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fn machines_turn(rng:&mut TlsWyRand, winner_take_last: bool, np: i32, piles: &mut [f64; 100], ix_do: &mut [usize; 3], b_piles: &mut [[f64;100];11] ) -> WinState {
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if ! winner_take_last { //940 //700
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fn machines_turn(
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rng: &mut TlsWyRand,
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winner_take_last: bool,
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np: i32,
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piles: &mut [f64; 100],
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ix_do: &mut [usize; 3],
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b_piles: &mut [[f64; 100]; 11],
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) -> WinState {
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if !winner_take_last {
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//940 //700
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//### Loser takes last, check for winner
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let mut count=0; //710
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let mut count = 0; //710
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'wayout: loop {
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'outer: loop {
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for ix in 0..np as usize { //720
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if piles[ix]==0.0 { continue } //730
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count+=1; //740
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if count==3 { break 'outer }//840 //750
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ix_do[count]=ix; //760
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} //770
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// exactly two piles remain
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if count==2 {
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for ix in 0..np as usize {
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//720
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if piles[ix] == 0.0 {
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continue;
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} //730
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count += 1; //740
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if count == 3 {
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break 'outer;
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} //840 //750
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ix_do[count] = ix; //760
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} //770
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// exactly two piles remain
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if count == 2 {
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// println!("Only two piles remain : unused0={} pile1={} pile2={}",ix_do[0]+1,ix_do[1]+1,ix_do[2]+1); //diagnostic
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if piles[ix_do[1]]==1.0 || piles[ix_do[2]]==1.0 { //920
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return WinState::ComputerWins;
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}//820 //930
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break 'wayout;
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} //920 //780
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// exactly one pile remains, loser takes last, and before machine's turn
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// println!("Only one pile remains : pile={}",ix_do[1]); //diagnostic
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assert!(piles[ix_do[1]] > 0.0 );
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if piles[ix_do[1]] == 1.0 { //820 //790
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return WinState::HumanWins; //800
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// GOTO 1640 //810
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if piles[ix_do[1]] == 1.0 || piles[ix_do[2]] == 1.0 {
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//920
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return WinState::ComputerWins;
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} //820 //930
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break 'wayout;
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} //920 //780
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// exactly one pile remains, loser takes last, and before machine's turn
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// println!("Only one pile remains : pile={}",ix_do[1]); //diagnostic
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assert!(piles[ix_do[1]] > 0.0);
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if piles[ix_do[1]] == 1.0 {
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//820 //790
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return WinState::HumanWins; //800
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// GOTO 1640 //810
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} else {
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return WinState::ComputerWins; //820
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// GOTO 1640 //830
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return WinState::ComputerWins; //820
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// GOTO 1640 //830
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}
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}
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count=0 ; //840
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let mut is_all_ones=true;
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for ix in 0..np as usize {// FOR ix=1 TO N //850
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if piles[ix]>1.0 { is_all_ones=false; break }//940 //860
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if piles[ix]!=0.0 { //890 //870
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count=count+1 ; //880
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count = 0; //840
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let mut is_all_ones = true;
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for ix in 0..np as usize {
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// FOR ix=1 TO N //850
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if piles[ix] > 1.0 {
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is_all_ones = false;
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break;
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} //940 //860
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if piles[ix] != 0.0 {
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//890 //870
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count = count + 1; //880
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}
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}// NEXT ix //890
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if is_all_ones && count%2 != 0 { //800 //900
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return WinState::HumanWins;
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} // NEXT ix //890
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if is_all_ones && count % 2 != 0 {
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//800 //900
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return WinState::HumanWins;
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}
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break; // GOTO 940 //910
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break; // GOTO 940 //910
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}
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}
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}
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//### winner take last (or first?) -- check for winner
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for ix in 0..np as usize { //940
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let mut sticks=piles[ix]; //950
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for jx in 0..=10 { //960
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let half=sticks/2.0; //970
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b_piles[ix][jx]=2.0*(half-half.trunc()) ; //980
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sticks=half.trunc(); //990
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}// NEXT J //1000
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}// NEXT I //1010
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for ix in 0..np as usize {
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//940
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let mut sticks = piles[ix]; //950
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for jx in 0..=10 {
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//960
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let half = sticks / 2.0; //970
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b_piles[ix][jx] = 2.0 * (half - half.trunc()); //980
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sticks = half.trunc(); //990
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} // NEXT J //1000
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} // NEXT I //1010
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let mut is_odd = false;
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let mut ix_max_pile = usize::MAX; // make sure this fails if ever used.
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for jx in (0..=10).rev() { //1020
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let mut count=0; //1030
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let mut highest=0.0; //1040
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for ix in 0..np as usize { //1050
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if b_piles[ix][jx]==0.0 { continue }; //1110 //1060
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count=count+1; //1070
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if piles[ix]<=highest as f64 { continue }; //1110 //1080
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highest = piles[ix]; //1090
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ix_max_pile=ix; //1100
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let mut ix_max_pile = usize::MAX; // make sure this fails if ever used.
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for jx in (0..=10).rev() {
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//1020
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let mut count = 0; //1030
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let mut highest = 0.0; //1040
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for ix in 0..np as usize {
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//1050
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if b_piles[ix][jx] == 0.0 {
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continue;
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}; //1110 //1060
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count = count + 1; //1070
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if piles[ix] <= highest as f64 {
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continue;
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}; //1110 //1080
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highest = piles[ix]; //1090
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ix_max_pile = ix; //1100
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} //NEXT I //1110
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// println!("if none are odd, use random: count={} odd={}", count,count%2!=0); //diagnostic
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if count%2!=0 { is_odd=true ; break } // C/2<>INT(C/2) //1190 //1120
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}// NEXT J //1130
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if ! is_odd {
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// println!("if none are odd, use random: count={} odd={}", count,count%2!=0); //diagnostic
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if count % 2 != 0 {
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is_odd = true;
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break;
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} // C/2<>INT(C/2) //1190 //1120
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} // NEXT J //1130
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if !is_odd {
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let mut ix_random;
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loop {
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ix_random= rng.generate_range(0..np as usize); //(N*RND(1)+1).trunc(); //1140
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if piles[ix_random] != 0.0 { break } //1140 //1150
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ix_random = rng.generate_range(0..np as usize); //(N*RND(1)+1).trunc(); //1140
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if piles[ix_random] != 0.0 {
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break;
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} //1140 //1150
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}
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let remove_random= rng.generate_range(1..=piles[ix_random] as i32); // INT(A[E]*RND(1)+1) //1160
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piles[ix_random] = piles[ix_random] - remove_random as f64; //1170
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let remove_random = rng.generate_range(1..=piles[ix_random] as i32); // INT(A[E]*RND(1)+1) //1160
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piles[ix_random] = piles[ix_random] - remove_random as f64; //1170
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// println!("I choose random: pile={} removed={}",ix_random+1,remove_random) //diagnostic
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// GOTO 1380 //1180
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} else {
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// println!("max pile: pile={}, was={} setting to 0. Expect add back.",ix_max_pile+1,piles[ix_max_pile]); //diagnostic
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piles[ix_max_pile] = 0.0; //1190
|
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for jx in 0..=10 { //1200
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b_piles[ix_max_pile][jx]=0.0; //1210
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let mut countum=0; //1220
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for ix in 0..np as usize { //1230
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if b_piles[ix][jx]==0.0 { continue }//1260 //1240
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countum+=1; // count non-empty //1250
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}// NEXT ix //1260
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piles[ix_max_pile] = piles[ix_max_pile] + ((countum%2)*2usize.pow(jx as u32)) as f64; //1270
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piles[ix_max_pile] = 0.0; //1190
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for jx in 0..=10 {
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//1200
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b_piles[ix_max_pile][jx] = 0.0; //1210
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let mut countum = 0; //1220
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for ix in 0..np as usize {
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//1230
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if b_piles[ix][jx] == 0.0 {
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continue;
|
||||
} //1260 //1240
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countum += 1; // count non-empty //1250
|
||||
} // NEXT ix //1260
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||||
piles[ix_max_pile] =
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piles[ix_max_pile] + ((countum % 2) * 2usize.pow(jx as u32)) as f64;
|
||||
//1270
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// println!("I choose max pile : pile={}, add back=odd?2^{}:0={}",ix_max_pile+1,jx,((countum%2)*2usize.pow(jx as u32))); //diagnostic
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||||
}// NEXT J //1280
|
||||
|
||||
} // NEXT J //1280
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||||
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||||
'done: loop {
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if ! winner_take_last { //1380 //1290
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||||
let mut counter=0; //1300
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||||
for ix in 0..np as usize { //1310
|
||||
if piles[ix]>1.0 { break 'done } //1380 //1320
|
||||
if piles[ix]!=0.0 { //1350 //1330
|
||||
counter+=1; //1340
|
||||
if !winner_take_last {
|
||||
//1380 //1290
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||||
let mut counter = 0; //1300
|
||||
for ix in 0..np as usize {
|
||||
//1310
|
||||
if piles[ix] > 1.0 {
|
||||
break 'done;
|
||||
} //1380 //1320
|
||||
if piles[ix] != 0.0 {
|
||||
//1350 //1330
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||||
counter += 1; //1340
|
||||
}
|
||||
}// NEXT ix //1350
|
||||
// done if C is odd
|
||||
if counter%2!=0 { break } //1380 //1360
|
||||
// println!("max pile if even: 1 - pile : pile={}, before 1-p = {}",ix_max_pile+1,piles[ix_max_pile]); //diagnostic
|
||||
piles[ix_max_pile] = 1.0 - piles[ix_max_pile]; //1370
|
||||
} // NEXT ix //1350
|
||||
// done if C is odd
|
||||
if counter % 2 != 0 {
|
||||
break;
|
||||
} //1380 //1360
|
||||
// println!("max pile if even: 1 - pile : pile={}, before 1-p = {}",ix_max_pile+1,piles[ix_max_pile]); //diagnostic
|
||||
piles[ix_max_pile] = 1.0 - piles[ix_max_pile]; //1370
|
||||
}
|
||||
break;
|
||||
break;
|
||||
}
|
||||
}
|
||||
return WinState::GameOn; //1380 is after this
|
||||
return WinState::GameOn; //1380 is after this
|
||||
}
|
||||
|
||||
/// Human decide what you want to do and see if there is a winner
|
||||
fn human_turn(winner_take_last: bool, np: i32, piles: &mut [f64; 100], ) -> WinState {
|
||||
if winner_take_last { //1450 //1420
|
||||
let is_all_empty=one_if_all_zero(np, &piles);// GOSUB 1570 //1430
|
||||
if is_all_empty==1 { return WinState::ComputerWins }//820 //1440 //### machine wins
|
||||
}
|
||||
fn human_turn(winner_take_last: bool, np: i32, piles: &mut [f64; 100]) -> WinState {
|
||||
if winner_take_last {
|
||||
//1450 //1420
|
||||
let is_all_empty = one_if_all_zero(np, &piles); // GOSUB 1570 //1430
|
||||
if is_all_empty == 1 {
|
||||
return WinState::ComputerWins;
|
||||
} //820 //1440 //### machine wins
|
||||
}
|
||||
//### many things go here
|
||||
loop {//1450
|
||||
let (pile_choice, remove_choice) = input_2int("YOUR MOVE - PILE, NUMBER TO BE REMOVED"); //1460
|
||||
if pile_choice>np || pile_choice<1 { continue } //1450 //1480
|
||||
let ix_choice= (pile_choice - 1) as usize;
|
||||
if remove_choice<1 || remove_choice as f64 > piles[ix_choice] { continue }; //1450 //1500
|
||||
// remove the humans choice:
|
||||
piles[ix_choice] = piles[ix_choice]-remove_choice as f64 ; //1530
|
||||
loop {
|
||||
//1450
|
||||
let (pile_choice, remove_choice) = input_2int("YOUR MOVE - PILE, NUMBER TO BE REMOVED"); //1460
|
||||
if pile_choice > np || pile_choice < 1 {
|
||||
continue;
|
||||
} //1450 //1480
|
||||
let ix_choice = (pile_choice - 1) as usize;
|
||||
if remove_choice < 1 || remove_choice as f64 > piles[ix_choice] {
|
||||
continue;
|
||||
}; //1450 //1500
|
||||
// remove the humans choice:
|
||||
piles[ix_choice] = piles[ix_choice] - remove_choice as f64; //1530
|
||||
break;
|
||||
}
|
||||
if one_if_all_zero(np, &piles)==1 // GOSUB 1570 //1540
|
||||
{ return WinState::HumanWins }//800 //1550 //### machine loses!
|
||||
if one_if_all_zero(np, &piles) == 1
|
||||
// GOSUB 1570 //1540
|
||||
{
|
||||
return WinState::HumanWins;
|
||||
} //800 //1550 //### machine loses!
|
||||
return WinState::GameOn;
|
||||
}
|
||||
|
||||
/// returns 0 if all A are 0, otherwise 1
|
||||
fn one_if_all_zero(np:i32, piles: &[f64; 100]) -> i32 { // sets Z to the return value
|
||||
fn one_if_all_zero(np: i32, piles: &[f64; 100]) -> i32 {
|
||||
// sets Z to the return value
|
||||
//1570
|
||||
for ix in 0..np as usize { //1580
|
||||
if piles[ix]!=0.0 {return 0} //1610 //1590
|
||||
//1600
|
||||
for ix in 0..np as usize {
|
||||
//1580
|
||||
if piles[ix] != 0.0 {
|
||||
return 0;
|
||||
} //1610 //1590
|
||||
//1600
|
||||
} //1610
|
||||
return 1; //1620
|
||||
return 1; //1620
|
||||
} //1630
|
||||
|
||||
fn instructions() {
|
||||
@@ -264,34 +359,43 @@ fn instructions() {
|
||||
println!("THE MACHINE WILL SHOW ITS MOVE BY LISTING EACH PILE AND THE");
|
||||
println!("NUMBER OF OBJECTS REMAINING IN THE PILES AFTER EACH OF ITS");
|
||||
println!("MOVES.");
|
||||
|
||||
}
|
||||
|
||||
/// print the prompt, wait for a number and newline. Loop if invalid.
|
||||
fn input(prompt:&str) -> String {
|
||||
fn input(prompt: &str) -> String {
|
||||
loop {
|
||||
print!("{} ? ",prompt);io::stdout().flush().unwrap();
|
||||
print!("{} ? ", prompt);
|
||||
io::stdout().flush().unwrap();
|
||||
// TODO: asks twice on win10, not linux. \r vs \n?
|
||||
let innn:String=read!("{}\n");
|
||||
let out:String = innn.trim().to_string();
|
||||
if out!="" {return out}
|
||||
let innn: String = read!("{}\n");
|
||||
let out: String = innn.trim().to_string();
|
||||
if out != "" {
|
||||
return out;
|
||||
}
|
||||
}
|
||||
}
|
||||
fn input_int(prompt:&str) -> i32 {
|
||||
fn input_int(prompt: &str) -> i32 {
|
||||
loop {
|
||||
print!("{} ? ",prompt);io::stdout().flush().unwrap();
|
||||
print!("{} ? ", prompt);
|
||||
io::stdout().flush().unwrap();
|
||||
match try_read!() {
|
||||
Ok(n) => return n,
|
||||
Err(_) => {},
|
||||
Err(_) => {}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn input_2int(prompt:&str) -> (i32,i32) {
|
||||
fn input_2int(prompt: &str) -> (i32, i32) {
|
||||
loop {
|
||||
let inp = input(prompt);
|
||||
let nums:Vec<i32> = inp.split(",").filter_map(|c| c.parse::<i32>().ok()).collect();
|
||||
if nums.len()!=2 {println!("Enter two numbers like: 9,9",);continue}
|
||||
return (nums[0], nums[1])
|
||||
let nums: Vec<i32> = inp
|
||||
.split(",")
|
||||
.filter_map(|c| c.parse::<i32>().ok())
|
||||
.collect();
|
||||
if nums.len() != 2 {
|
||||
println!("Enter two numbers like: 9,9",);
|
||||
continue;
|
||||
}
|
||||
return (nums[0], nums[1]);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user