| 1 |
#! perl |
| 2 |
|
| 3 |
# The international bank script. There are five commands one can |
| 4 |
# give the banker in-game: |
| 5 |
# - help, will show the usage information |
| 6 |
# - deposit, can deposit a certain amount of a given currency unit |
| 7 |
# - withdraw, can give out a certain amount of a given currency unit |
| 8 |
# provided, the bank account has this amount of money |
| 9 |
# - exchange, will exchange between royalties and platinum coins |
| 10 |
# - balance, simply shows how much money one has on his/her account. |
| 11 |
# |
| 12 |
# TODO: |
| 13 |
# - Comment more steps |
| 14 |
# - Implement exchange() |
| 15 |
|
| 16 |
# Subroutine just to calculate exchange rates. |
| 17 |
sub calc_exchange_rate { |
| 18 |
my ($value, $from_cur, $to_cur) = @_; |
| 19 |
|
| 20 |
$value * $from_cur->value / $to_cur->value |
| 21 |
} |
| 22 |
|
| 23 |
# Calculates and returns how much money someone has starting with the |
| 24 |
# highest value currency going down. Think of it like having the date |
| 25 |
# and time in the format of 2006-05-19 03:21:31 UTC instead of 1148001691 |
| 26 |
# seconds since 1970-01-01 00:00:00 UTC. |
| 27 |
sub balance { |
| 28 |
my ($who, $is_wiz) = @_; |
| 29 |
my $balance = $who->{bank_balance}; |
| 30 |
|
| 31 |
unless ($is_wiz) { |
| 32 |
return "Sorry, you have no balance." |
| 33 |
unless $balance >= 1; |
| 34 |
} else { |
| 35 |
return $who->name." has no balance." |
| 36 |
unless $balance >= 1; |
| 37 |
} |
| 38 |
|
| 39 |
my $account_info = cf::cost_string_from_value $balance; |
| 40 |
|
| 41 |
$is_wiz |
| 42 |
? $who->name . " has $account_info." |
| 43 |
: "You have $account_info." |
| 44 |
} |
| 45 |
|
| 46 |
sub transaction { |
| 47 |
my ($who, $action, $amount, $currency) = @_; |
| 48 |
|
| 49 |
my $coin = cf::coin_from_name $currency |
| 50 |
or return "We don't trade in that currency.\n"; |
| 51 |
|
| 52 |
return "You can not $action fractions or weirder numbers." |
| 53 |
unless $amount =~ /^\d+$/; |
| 54 |
|
| 55 |
$currency = $amount > 1 ? $coin->name_pl : $coin->name; |
| 56 |
|
| 57 |
my $pay = $amount * $coin->value; |
| 58 |
|
| 59 |
# First check for possible overflow and user stupidity |
| 60 |
if ($amount > 2**30) { |
| 61 |
return "Sorry, we do not handle that kind of money for one $action."; |
| 62 |
} elsif ($amount == 0) { |
| 63 |
return "You can not $action nothing."; |
| 64 |
} elsif ($amount < 0) { |
| 65 |
return "You can not $action negative values."; |
| 66 |
} |
| 67 |
|
| 68 |
# Here we handle the transactions |
| 69 |
if ($action eq "deposit") { |
| 70 |
if ($who->pay_amount ($pay)) { |
| 71 |
$who->{bank_balance} += $pay; |
| 72 |
return "$amount $currency received."; |
| 73 |
} else { |
| 74 |
return "You don't have enough money with you."; |
| 75 |
} |
| 76 |
} elsif ($action eq "withdraw") { |
| 77 |
if ($pay <= $who->{bank_balance}) { |
| 78 |
if ($who->pay_player_arch ($coin->archname, $amount)) { |
| 79 |
$who->{bank_balance} -= $pay; |
| 80 |
return "Withdrew $amount $currency"; |
| 81 |
} else { |
| 82 |
return "You can't withdraw this many $currency in one go!"; |
| 83 |
} |
| 84 |
} else { |
| 85 |
return "You don't have that much money on your bank account."; |
| 86 |
} |
| 87 |
} |
| 88 |
} |
| 89 |
|
| 90 |
sub help { |
| 91 |
my ($command) = @_; |
| 92 |
|
| 93 |
if ($command eq "") { |
| 94 |
return "You can: |
| 95 |
deposit <amount> <currency> |
| 96 |
withdraw <amount> <currency> |
| 97 |
balance |
| 98 |
help rates |
| 99 |
help <deposit|withdraw|balance>"; |
| 100 |
} elsif ($command eq "deposit") { |
| 101 |
return "You can deposit some of the money you don't currently use in our bank. To do this, ask me to: |
| 102 |
deposit <amount> <currency>\nSee help rates for our currencies."; |
| 103 |
} elsif ($command eq "withdraw") { |
| 104 |
return "To get the money you stored in our system back, just say: |
| 105 |
withdraw <amount> <currency>"; |
| 106 |
} elsif ($command eq "balance") { |
| 107 |
return "I can tell you how much money you are saving in our bank, just ask me about your balance."; |
| 108 |
} elsif ($command eq "rates") { |
| 109 |
my @coins = cf::coin_archetypes; |
| 110 |
my $exchange_rates = "Here is a list of exchange rates:\n\n\n"; |
| 111 |
|
| 112 |
for my $f (0 .. $#coins) { |
| 113 |
for my $t ($f + 1 .. $#coins) { |
| 114 |
$exchange_rates .= |
| 115 |
sprintf "One %s is %d %s.\n\n", |
| 116 |
$coins[$f]->name, |
| 117 |
(calc_exchange_rate 1, $coins[$f], $coins[$t]), |
| 118 |
$coins[$t]->name_pl; |
| 119 |
} |
| 120 |
} |
| 121 |
|
| 122 |
return "$exchange_rates\n\nThis may change a bit with the stock markets but don't expect it to be much."; |
| 123 |
} |
| 124 |
} |
| 125 |
|
| 126 |
cf::register_script_function "bank::command" => sub { |
| 127 |
my ($who, $msg, $npc) = @_; |
| 128 |
|
| 129 |
my ($cmd, $arguments) = split /\s+/, $msg, 2; |
| 130 |
my ($amount, $currency) = split /\s+/, $arguments, 2; |
| 131 |
my $service_charge = 5; |
| 132 |
my $fees = - ($service_charge / 100) + 1; |
| 133 |
|
| 134 |
if ($cmd eq "balance") { |
| 135 |
if ($who->flag (cf::FLAG_WIZ) && $arguments =~ /\S/) { |
| 136 |
cf::async { |
| 137 |
if (my $player = cf::player::find $arguments) { |
| 138 |
$who->contr->send_msg ( |
| 139 |
$ext::chat::SAY_CHANNEL, "Nancy says: " . balance ($player->ob, 1), |
| 140 |
cf::NDI_BROWN | cf::NDI_REPLY |
| 141 |
) if $who->contr; |
| 142 |
} |
| 143 |
}; |
| 144 |
} else { |
| 145 |
$who->reply ($npc, balance ($who, 0)); |
| 146 |
} |
| 147 |
|
| 148 |
} elsif ($cmd eq "balance" and !$arguments) { |
| 149 |
$who->reply ($npc, "Balance of whom?"); |
| 150 |
|
| 151 |
} elsif ($cmd eq "deposit" and $currency) { |
| 152 |
$who->reply ($npc, transaction $who, "deposit", $amount, $currency); |
| 153 |
|
| 154 |
} elsif ($cmd eq "deposit" and $amount and $currency eq "") { |
| 155 |
$who->reply ($npc, "deposit $amount of what: " . join ", ", cf::coin_names); |
| 156 |
|
| 157 |
} elsif ($cmd eq "deposit" and $amount eq "" and $currency eq "") { |
| 158 |
$who->reply ($npc, "How much do you want to deposit?"); |
| 159 |
|
| 160 |
} elsif ($cmd eq "withdraw" and $currency) { |
| 161 |
$who->reply ($npc, transaction $who, "withdraw", $amount, $currency); |
| 162 |
|
| 163 |
} elsif ($cmd eq "withdraw" and $amount and $currency eq "") { |
| 164 |
$who->reply ($npc, "Withdraw $amount of what: " . join ", ", cf::coin_names); |
| 165 |
|
| 166 |
} elsif ($cmd eq "withdraw" and $amount eq "" and $currency eq "") { |
| 167 |
$who->reply ($npc, "How much do you want to withdraw?"); |
| 168 |
|
| 169 |
} elsif ($cmd eq "help" or $cmd eq "yes" and $arguments eq "") { |
| 170 |
$who->reply ($npc, help $arguments); |
| 171 |
|
| 172 |
} elsif ($cmd eq "help" or $cmd eq "yes" and $arguments ne "") { |
| 173 |
$who->reply ($npc, help); |
| 174 |
|
| 175 |
} else { |
| 176 |
$who->reply ($npc, "Do you need help?"); |
| 177 |
} |
| 178 |
} |
| 179 |
|
