diff options
Diffstat (limited to 'v_windows/v/examples/vcasino/vcasino.v')
-rw-r--r-- | v_windows/v/examples/vcasino/vcasino.v | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/v_windows/v/examples/vcasino/vcasino.v b/v_windows/v/examples/vcasino/vcasino.v new file mode 100644 index 0000000..e6fd87c --- /dev/null +++ b/v_windows/v/examples/vcasino/vcasino.v @@ -0,0 +1,146 @@ +import rand +import os + +const ( + help_text = ' Usage:\t./VCasino\n + Description:\n VCasino is a little game only made to learn V.\n' + g_desc = " The object of Roulette is to pick the number where the spinning ball will land on the wheel. + If your number is the good one, you'll get your bet x3. + If your number is the same color as the ball one, you'll get your bet /2. + Otherwise, you will lose your bet.\n" + odd = 'red' + even = 'black' +) + +struct Options { + long_opt string + short_opt string +} + +fn display_help() { + println(help_text + g_desc) +} + +fn option_parser() bool { + help := Options{'--help', '-h'} + for i in 0 .. os.args.len { + if os.args[i] == help.long_opt || os.args[i] == help.short_opt { + display_help() + return true + } + } + return false +} + +fn str_is_nbr(s string) bool { + for i in 0 .. s.len { + if !s[i].is_digit() { + return false + } + } + return true +} + +fn get_bet_nbr() int { + mut bet_nbr := -1 + for bet_nbr < 0 || bet_nbr > 49 { + println('Reminder: odd numbers are red and even are black.') + println('Type the number you want to bet on (between 0 and 49):') + line := os.get_line().trim_space() + if line.len < 1 { + println('error: empty line.') + continue + } + if !str_is_nbr(line) { + println('error: $line is not a number.') + continue + } + bet_nbr = line.int() + if bet_nbr < 0 || bet_nbr > 49 { + println('error: $line is not between 0 and 49.') + bet_nbr = -1 + continue + } + } + return bet_nbr +} + +fn get_bet(money int) int { + mut bet := -1 + for bet <= 0 || bet > money { + println('You have $money V. Type in the amount of your bet:') + line := os.get_line().trim_space() + if line.len < 1 { + println('error: empty line.') + continue + } + if !str_is_nbr(line) { + println('error: $line is not a number.') + continue + } + bet = line.int() + if bet <= 0 { + println('error: $line is not higher than 1.') + continue + } else if bet > money { + println('error: $line is more money than you have.') + } + } + return bet +} + +fn run_wheel(bet_nbr int, _bet int) int { + mut bet := _bet + winning_nbr := rand.intn(50) + print('Roulette Wheel spinning... and stops on the number $winning_nbr which is a ') + if winning_nbr % 2 == 1 { + println(odd) + } else { + println(even) + } + if winning_nbr == bet_nbr { + bet *= 3 + println('Congratulations! You get $bet V!') + } else if winning_nbr % 2 == bet_nbr % 2 { + bet /= 2 + println('You bet the right color. You get $bet V!') + } else { + println('Sorry buddy. You lost $bet V!') + bet *= -1 + } + return bet +} + +fn is_broke(money int) bool { + if money <= 0 { + println("You're broke, the game is over..") + return false + } + quit := Options{'yes', 'y'} + println('You have $money V. Do you want to quit the casino with your winnings? (y/n)') + line := os.get_line().trim_space().to_lower() + if line == quit.long_opt || line == quit.short_opt { + return false + } + return true +} + +fn game_loop() { + mut can_play := true + mut money := 1000 + println(g_desc) + println('You start the game with $money V.\n') + for can_play { + bet_nbr := get_bet_nbr() + bet := get_bet(money) + money += run_wheel(bet_nbr, bet) + can_play = is_broke(money) + } +} + +fn main() { + if os.args.len >= 2 && option_parser() { + return + } + game_loop() +} |