1 |
root |
1.1 |
#! 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 |
|
|
# The units are being used in each sub so they are declared globally. |
17 |
|
|
my %unit = ( |
18 |
|
|
silver => 1, |
19 |
|
|
gold => 10, |
20 |
|
|
platina => 50, |
21 |
|
|
royalty => 5000, |
22 |
|
|
); |
23 |
|
|
|
24 |
|
|
# Subroutine just to calculate exchange rates. |
25 |
|
|
sub calc_exchange_rate { |
26 |
|
|
my ($value, $from_cur, $to_cur) = @_; |
27 |
|
|
|
28 |
|
|
$value * $unit{$from_cur} / $unit{$to_cur} |
29 |
|
|
} |
30 |
|
|
|
31 |
|
|
# Calculates and returns how much money someone has starting with the |
32 |
|
|
# highest value currency going down. Think of it like having the date |
33 |
|
|
# and time in the format of 2006-05-19 03:21:31 UTC instead of 1148001691 |
34 |
|
|
# seconds since 1970-01-01 00:00:00 UTC. |
35 |
|
|
sub balance { |
36 |
|
|
my ($who, $is_wiz) = @_; |
37 |
|
|
my $balance = $who->{bank_balance}; |
38 |
|
|
|
39 |
|
|
unless ($is_wiz) { |
40 |
|
|
return "Sorry, you have no balance." |
41 |
|
|
unless $balance >= 1; |
42 |
|
|
} else { |
43 |
|
|
return $who->name." has no balance." |
44 |
|
|
unless $balance >= 1; |
45 |
|
|
} |
46 |
|
|
|
47 |
|
|
my $account_info = cf::cost_string_from_value ($balance); |
48 |
|
|
|
49 |
|
|
return "You have $account_info" |
50 |
|
|
unless $is_wiz; |
51 |
|
|
|
52 |
|
|
return $who->name." has $account_info"; |
53 |
|
|
} |
54 |
|
|
|
55 |
|
|
sub transaction { |
56 |
|
|
my ($who, $action, $amount, $currency) = @_; |
57 |
|
|
my $pay = $amount * $unit{$currency}; |
58 |
|
|
|
59 |
|
|
return "We don't trade in that currency." |
60 |
|
|
unless exists $unit{$currency}; |
61 |
|
|
|
62 |
|
|
return "You can not $action fractions." |
63 |
|
|
unless $amount =~ /^\d+$/; |
64 |
|
|
|
65 |
|
|
# First check for possible overflow and user stupidity |
66 |
|
|
if ($amount > 2**31) { |
67 |
|
|
return "Sorry, we do not handle that kind of money for one ".$action."."; |
68 |
|
|
} elsif ($amount == 0) { |
69 |
|
|
return "You can not ".$action." nothing."; |
70 |
|
|
} elsif ($amount < 0) { |
71 |
|
|
return "You can not ".$action." negative values."; |
72 |
|
|
} |
73 |
|
|
|
74 |
|
|
# Here we handle the transactions |
75 |
|
|
if ($action eq "deposit") { |
76 |
|
|
if ($who->pay_amount ($pay)) { |
77 |
|
|
$who->{bank_balance} += $pay; |
78 |
|
|
return "$amount $currency received."; |
79 |
|
|
} else { |
80 |
|
|
return "You don't have enough money with you."; |
81 |
|
|
} |
82 |
|
|
} elsif ($action eq "withdraw") { |
83 |
|
|
if ($pay <= $who->{bank_balance}) { |
84 |
|
|
my $paid = $who->pay_player_arch ( |
85 |
|
|
$currency eq 'royalty' ? 'royalty' : $currency . "coin", |
86 |
|
|
$amount |
87 |
|
|
); |
88 |
|
|
if ($paid) { |
89 |
|
|
$who->{bank_balance} -= $pay; |
90 |
|
|
} else { |
91 |
|
|
$amount = 0; |
92 |
|
|
} |
93 |
|
|
return "Withdrew $amount $currency"; |
94 |
|
|
} else { |
95 |
|
|
return "You don't have that much money on your bank account."; |
96 |
|
|
} |
97 |
|
|
} |
98 |
|
|
} |
99 |
|
|
|
100 |
|
|
sub help { |
101 |
|
|
my ($command) = @_; |
102 |
|
|
|
103 |
|
|
if ($command eq "") { |
104 |
|
|
return "You can: |
105 |
|
|
deposit <amount> <currency> |
106 |
|
|
withdraw <amount> <currency> |
107 |
|
|
balance |
108 |
|
|
exchange <amount> <direction> |
109 |
|
|
help <topic>"; |
110 |
|
|
} elsif ($command eq "deposit") { |
111 |
|
|
return "You can deposit some of the money you don't currently use in our bank. To do this, ask me to: |
112 |
|
|
deposit <amount> <currency>\nSee help exchange for our currencies."; |
113 |
|
|
} elsif ($command eq "withdraw") { |
114 |
|
|
return "To get the money you stored in our system back, just say: |
115 |
|
|
withdraw <amount> <currency>"; |
116 |
|
|
} elsif ($command eq "balance") { |
117 |
|
|
return "I can tell you how much money you are saving in our bank, just ask me about your balance."; |
118 |
|
|
} elsif ($command eq "exchange") { |
119 |
|
|
return "We exchange between royalties and platina coins at a very low price. To change from platina to royalties, say: |
120 |
|
|
exchange <amount> platina royalty\nTo change from royalties to platina, say: |
121 |
|
|
exchange <amount> royalty platina\nWe currently only exchange between these two currencies. If you want to know more about exchange rates, ask me: |
122 |
|
|
help exchange rates\nThanks for using our bank."; |
123 |
|
|
} elsif ($command eq "exchange rates") { |
124 |
|
|
my @units = sort { $unit{$b} <=> $unit{$a} } keys %unit; |
125 |
|
|
my $exchange_rates = "Here is a list of exchange rates:\n"; |
126 |
|
|
|
127 |
|
|
for my $from_cur_nr (0 .. $#units) { |
128 |
|
|
for my $to_cur_nr ($from_cur_nr+1 .. $#units) { |
129 |
|
|
$exchange_rates = $exchange_rates."One $units[$from_cur_nr] is ".calc_exchange_rate(1, $units[$from_cur_nr], $units[$to_cur_nr])." $units[$to_cur_nr]\n"; |
130 |
|
|
} |
131 |
|
|
} |
132 |
|
|
return $exchange_rates."This may change a bit with the stock markets but don't expect it to be much."; |
133 |
|
|
} |
134 |
|
|
} |
135 |
|
|
|
136 |
|
|
cf::register_script_function "bank::command" => sub { |
137 |
|
|
my ($who, $msg, $npc) = @_; |
138 |
|
|
|
139 |
|
|
my ($cmd, $arguments) = split /\s+/, $msg, 2; |
140 |
|
|
my ($amount, $currency) = split /\s+/, $arguments, 2; |
141 |
|
|
my $service_charge = 5; |
142 |
|
|
my @units = sort keys %unit; |
143 |
|
|
my $units = join ", ", @units; |
144 |
|
|
my $fees = - ($service_charge / 100) + 1; |
145 |
|
|
|
146 |
|
|
# Have some aliases for currencies |
147 |
|
|
if ($currency eq "platinum") { |
148 |
|
|
$currency = "platina"; |
149 |
|
|
} elsif ($currency eq "royalties") { |
150 |
|
|
$currency = "royalty"; |
151 |
|
|
} |
152 |
|
|
|
153 |
|
|
if ($cmd eq "balance") { |
154 |
|
|
if ($who->flag (cf::FLAG_WIZ)) { |
155 |
|
|
if (my $player = cf::player::find $arguments) { |
156 |
|
|
$who->reply ($npc, balance $player->ob, 1); |
157 |
|
|
} |
158 |
|
|
} else { |
159 |
|
|
$who->reply ($npc, balance $who, 0); |
160 |
|
|
} |
161 |
|
|
|
162 |
|
|
} elsif ($cmd eq "balance" and !$arguments) { |
163 |
|
|
$who->reply ($npc, "Balance of whom?"); |
164 |
|
|
|
165 |
|
|
} elsif ($cmd eq "deposit" and $currency) { |
166 |
|
|
$who->reply ($npc, transaction $who, "deposit", $amount, $currency); |
167 |
|
|
$who->reply ($npc, balance $who); |
168 |
|
|
|
169 |
|
|
} elsif ($cmd eq "deposit" and $amount and $currency eq "") { |
170 |
|
|
$who->reply ($npc, "deposit $amount of what: $units"); |
171 |
|
|
|
172 |
|
|
} elsif ($cmd eq "deposit" and $amount eq "" and $currency eq "") { |
173 |
|
|
$who->reply ($npc, "How much do you want to deposit?"); |
174 |
|
|
|
175 |
|
|
} elsif ($cmd eq "withdraw" and $currency) { |
176 |
|
|
$who->reply ($npc, transaction $who, "withdraw", $amount, $currency); |
177 |
|
|
$who->reply ($npc, balance $who); |
178 |
|
|
|
179 |
|
|
} elsif ($cmd eq "withdraw" and $amount and $currency eq "") { |
180 |
|
|
$who->reply ($npc, "Withdraw $amount of what: $units"); |
181 |
|
|
|
182 |
|
|
} elsif ($cmd eq "withdraw" and $amount eq "" and $currency eq "") { |
183 |
|
|
$who->reply ($npc, "How much do you want to withdraw?"); |
184 |
|
|
|
185 |
|
|
} elsif ($cmd eq "exchange") { |
186 |
|
|
$who->reply ($npc, "This function is not yet implemented. Ask me again later."); |
187 |
|
|
|
188 |
|
|
} elsif ($cmd eq "help" or $cmd eq "yes" and $arguments eq "") { |
189 |
|
|
$who->reply ($npc, help $arguments); |
190 |
|
|
|
191 |
|
|
} elsif ($cmd eq "help" or $cmd eq "yes" and $arguments ne "") { |
192 |
|
|
$who->reply ($npc, help); |
193 |
|
|
|
194 |
|
|
} else { |
195 |
|
|
$who->reply ($npc, "Do you need help?"); |
196 |
|
|
} |
197 |
|
|
} |
198 |
|
|
|