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Comparing deliantra/maps/perl/bank.ext (file contents):
Revision 1.2 by pippijn, Fri May 19 14:54:55 2006 UTC vs.
Revision 1.22 by elmex, Mon Aug 14 07:11:10 2006 UTC

4# give the banker in-game: 4# give the banker in-game:
5# - help, will show the usage information 5# - help, will show the usage information
6# - deposit, can deposit a certain amount of a given currency unit 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 7# - withdraw, can give out a certain amount of a given currency unit
8# provided, the bank account has this amount of money 8# provided, the bank account has this amount of money
9# - exchange, will exchange between imperials and platinum coins 9# - exchange, will exchange between royalties and platinum coins
10# - balance, simply shows how much money one has on his/her account. 10# - balance, simply shows how much money one has on his/her account.
11# 11#
12# TODO: 12# TODO:
13# - Continue modularising
14# * transaction()
15# - Comment more steps 13# - Comment more steps
14# - Implement exchange()
16 15
17# The units are being used in each sub so they are declared globally. 16# The units are being used in each sub so they are declared globally.
18my %unit = ( 17my %unit = (
19 silver => 1, 18 silver => 1,
20 gold => 10, 19 gold => 10,
21 platina => 50, 20 platina => 50,
22 imperial => 10000, 21 royalty => 5000,
23); 22);
24 23
25# Subroutine just to calculate exchange rates, I purposefully left in the 24# Subroutine just to calculate exchange rates.
26# exchange rates for imperial => imperial, platina => platina, etc.
27sub calc_exchange_rate { 25sub calc_exchange_rate {
28 my ($value, $from_cur, $to_cur) = @_; 26 my ($value, $from_cur, $to_cur) = @_;
29 27
30 if ($unit{$from_cur} and $unit{$to_cur}) {
31 return $value * $unit{$from_cur} / $unit{$to_cur}; 28 $value * $unit{$from_cur} / $unit{$to_cur}
32 } 29}
30
31sub amount_str {
32 my $amount = shift;
33
34 my $royalties = calc_exchange_rate $amount, "silver", "royalty";
35 my $platinum = calc_exchange_rate $royalties - (int $royalties), "royalty", "platina";
36 my $gold = calc_exchange_rate $platinum - (int $platinum), "platina", "gold";
37 my $silver = calc_exchange_rate $gold - (int $gold), "gold", "silver";
38
39 (int $royalties) . " royalties, "
40 . (int $platinum) . " platinum, "
41 . (int $gold) . " gold and about "
42 . (int $silver) ." silver coins.";
43
33} 44}
34 45
35# Calculates and returns how much money someone has starting with the 46# Calculates and returns how much money someone has starting with the
36# highest value currency going down. Think of it like having the date 47# highest value currency going down. Think of it like having the date
37# and time in the format of 2006-05-19 03:21:31 UTC instead of 1148001691 48# and time in the format of 2006-05-19 03:21:31 UTC instead of 1148001691
38# seconds since 1970-01-01 00:00:00 UTC. 49# seconds since 1970-01-01 00:00:00 UTC.
39sub balance { 50sub balance {
40 my ($who) = @_; 51 my ($who, $is_wiz) = @_;
41 my $balance = $who->{bank_balance}; 52 my $balance = $who->{bank_balance};
42 53
43 if (!$balance or int($balance) == 0) { 54 unless ($is_wiz) {
44 return "Sorry, you have no balance."; 55 return "Sorry, you have no balance."
56 unless $balance >= 1;
45 } else { 57 } else {
46 58 return $who->name." has no balance."
47 my $imperials = calc_exchange_rate($balance, "silver", "imperial"); 59 unless $balance >= 1;
48 my $platinum = calc_exchange_rate($imperials - int ($imperials), "imperial", "platina");
49 my $gold = calc_exchange_rate($platinum - int ($platinum), "platina", "gold");
50 my $silver = calc_exchange_rate($gold - int ($gold), "gold", "silver");
51
52 return "You have ".int($imperials)." imperials, ".int($platinum)." platinum, ".int($gold)." gold and about ".int($silver)." silver coins.";
53 } 60 }
61
62 my $account_info = amount_str ($balance);
63
64 return "You have $account_info"
65 unless $is_wiz;
66
67 return $who->name." has $account_info";
54} 68}
55 69
56sub transaction { 70sub transaction {
57 my ($who, $action, $amount, $currency) = @_; 71 my ($who, $action, $amount, $currency) = @_;
58 my $pay = $amount * %unit->{$currency}; 72 my $pay = $amount * $unit{$currency};
73
74 return "We don't trade in that currency."
75 unless exists $unit{$currency};
76
77 return "You can not $action fractions."
78 unless $amount =~ /^\d+$/;
59 79
60 # First check for possible overflow and user stupidity 80 # First check for possible overflow and user stupidity
61 if ($amount > 10000) { 81 if ($amount > 2**31) {
62 return "Sorry, we do not handle more than 10000 units for one ".$action."."; 82 return "Sorry, we do not handle that kind of money for one ".$action.".";
63 } elsif ($amount == 0) { 83 } elsif ($amount == 0) {
64 return "You can not ".$action." nothing."; 84 return "You can not ".$action." nothing.";
65 } elsif ($amount < 0) { 85 } elsif ($amount < 0) {
66 return "You can not ".$action." negative values."; 86 return "You can not ".$action." negative values.";
67 } else { 87 }
88
68 # Here we handle the transactions 89 # Here we handle the transactions
69 if ($action eq "deposit") { 90 if ($action eq "deposit") {
70 if ($who->pay_amount ($pay)) { 91 if ($who->pay_amount ($pay)) {
92 $who->{bank_balance} += $pay;
93 return "$amount $currency received.";
94 } else {
95 return "You don't have enough money with you.";
96 }
97 } elsif ($action eq "withdraw") {
98 if ($pay <= $who->{bank_balance}) {
99 my $paid = $who->pay_player_arch (
100 $currency eq 'royalty' ? 'royalty' : $currency . "coin",
101 $amount
102 );
103 if ($paid) {
71 $who->{bank_balance} += $pay; 104 $who->{bank_balance} -= $pay;
72 return "$amount $currency received.";
73 } else { 105 } else {
74 return "You don't have enough money with you."; 106 $amount = 0;
75 } 107 }
76 } elsif ($action eq "withdraw") {
77 if ($who->{bank_balance} - $pay > 0) {
78 $who->{bank_balance} -= $pay;
79 if ($currency eq "imperial") {
80 my $money = cf::object::new ("imperial");
81 $money->set_property (1, 24, $amount);
82 $money->insert_in_ob ($who);
83 } else {
84 my $money = cf::object::new ($currency."coin");
85 $money->set_property (1, 24, $amount);
86 $money->insert_in_ob ($who);
87 }
88 return "Withdrew $amount $currency"; 108 return "Withdrew $amount $currency";
109 } else {
110 return "You don't have that much money on your bank account.";
89 } 111 }
90 }
91 }
92}
93
94sub on_say {
95 my ($event, $ob, $who, $msg) = @_;
96 my ($cmd, $arguments) = split /\s+/, $msg, 2;
97 my ($amount, $currency) = split /\s+/, $arguments, 2;
98 my $service_charge = 5;
99 my @units = sort keys %unit;
100 my $units = join ", ", @units;
101 my $fees = - ($service_charge / 100) + 1;
102
103 if ($cmd eq "balance") {
104 $who->message ($ob->name." says: ".balance ($who), cf::NDI_WHITE);
105 }
106
107 elsif ($cmd eq "deposit" and $currency) {
108 $who->message ($ob->name." says: ".transaction($who, "deposit", $amount, $currency), cf::NDI_WHITE);
109 $who->message ($ob->name." says: ".balance ($who), cf::NDI_WHITE);
110 } elsif ($cmd eq "deposit" and $amount and $currency eq "") {
111 $who->message ($ob->name." says: Deposit $amount of what: ".$units.".", cf::NDI_WHITE);
112 } elsif ($cmd eq "deposit" and $amount eq "" and $currency eq "") {
113 $who->message ($ob->name." says: How much do you want to deposit?", cf::NDI_WHITE);
114 }
115
116 elsif ($cmd eq "withdraw" and $currency) {
117 $who->message ($ob->name." says: ".transaction($who, "withdraw", $amount, $currency), cf::NDI_WHITE);
118 $who->message ($ob->name." says: ".balance ($who), cf::NDI_WHITE);
119 } elsif ($cmd eq "withdraw" and $amount and $currency eq "") {
120 $who->message ($ob->name." says: Withdraw $amount of what: ".$units.".", cf::NDI_WHITE);
121 } elsif ($cmd eq "withdraw" and $amount eq "" and $currency eq "") {
122 $who->message ($ob->name." says: How much do you want to withdraw?", cf::NDI_WHITE);
123 }
124
125 elsif ($cmd eq "help" || "yes") {
126 $who->message ($ob->name." says: ".help($arguments), cf::NDI_WHITE);
127 } 112 }
128} 113}
129 114
130sub help { 115sub help {
131 my ($command) = @_; 116 my ($command) = @_;
144 return "To get the money you stored in our system back, just say: 129 return "To get the money you stored in our system back, just say:
145 withdraw <amount> <currency>"; 130 withdraw <amount> <currency>";
146 } elsif ($command eq "balance") { 131 } elsif ($command eq "balance") {
147 return "I can tell you how much money you are saving in our bank, just ask me about your balance."; 132 return "I can tell you how much money you are saving in our bank, just ask me about your balance.";
148 } elsif ($command eq "exchange") { 133 } elsif ($command eq "exchange") {
149 return "We exchange between imperial notes and platinum coins at a very low price. To change from platinum to imperials, say: 134 return "We exchange between royalties and platina coins at a very low price. To change from platina to royalties, say:
150 exchange <amount> platina\nTo change from imperials to platinum, say: 135 exchange <amount> platina royalty\nTo change from royalties to platina, say:
151 exchange <amount> imperial\nWe currently only exchange between these two currencies. If you want to know more about exchange rates, ask me: 136 exchange <amount> royalty platina\nWe currently only exchange between these two currencies. If you want to know more about exchange rates, ask me:
152 help exchange rates\nThanks for using our bank."; 137 help exchange rates\nThanks for using our bank.";
153 } elsif ($command eq "exchange rates") { 138 } elsif ($command eq "exchange rates") {
154 return "Here is a list of exchange rates:\n" 139 my @units = sort { $unit{$b} <=> $unit{$a} } keys %unit;
155 ."imperial => ".calc_exchange_rate(1, "imperial", "platina")." platina\n" 140 my $exchange_rates = "Here is a list of exchange rates:\n";
156 ."imperial => ".calc_exchange_rate(1, "imperial", "gold")." gold\n"
157 ."imperial => ".calc_exchange_rate(1, "imperial", "silver")." silver\n"
158 141
159 ."platina => ".calc_exchange_rate(1, "platina", "gold")." gold\n" 142 for my $from_cur_nr (0 .. $#units) {
160 ."platina => ".calc_exchange_rate(1, "platina", "silver")." silver\n" 143 for my $to_cur_nr ($from_cur_nr+1 .. $#units) {
161 144 $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";
145 }
146 }
162 ."gold => ".calc_exchange_rate(1, "gold", "silver")." silver\nThis may change a bit with the stock markets but don't expect it to be much."; 147 return $exchange_rates."This may change a bit with the stock markets but don't expect it to be much.";
163 } 148 }
164} 149}
150
151cf::register_script_function "bank::command" => sub {
152 my ($who, $msg, $npc) = @_;
153
154 my ($cmd, $arguments) = split /\s+/, $msg, 2;
155 my ($amount, $currency) = split /\s+/, $arguments, 2;
156 my $service_charge = 5;
157 my @units = sort keys %unit;
158 my $units = join ", ", @units;
159 my $fees = - ($service_charge / 100) + 1;
160
161 # Have some aliases for currencies
162 if ($currency eq "platinum") {
163 $currency = "platina";
164 } elsif ($currency eq "royalties") {
165 $currency = "royalty";
166 }
167
168 if ($cmd eq "balance") {
169 if ($who->flag (cf::FLAG_WIZ)) {
170 if (my $player = cf::player::find $arguments) {
171 $who->reply ($npc, balance $player->ob, 1);
172 }
173 } else {
174 $who->reply ($npc, balance $who, 0);
175 }
176
177 } elsif ($cmd eq "balance" and !$arguments) {
178 $who->reply ($npc, "Balance of whom?");
179
180 } elsif ($cmd eq "deposit" and $currency) {
181 $who->reply ($npc, transaction $who, "deposit", $amount, $currency);
182 $who->reply ($npc, balance $who);
183
184 } elsif ($cmd eq "deposit" and $amount and $currency eq "") {
185 $who->reply ($npc, "deposit $amount of what: $units");
186
187 } elsif ($cmd eq "deposit" and $amount eq "" and $currency eq "") {
188 $who->reply ($npc, "How much do you want to deposit?");
189
190 } elsif ($cmd eq "withdraw" and $currency) {
191 $who->reply ($npc, transaction $who, "withdraw", $amount, $currency);
192 $who->reply ($npc, balance $who);
193
194 } elsif ($cmd eq "withdraw" and $amount and $currency eq "") {
195 $who->reply ($npc, "Withdraw $amount of what: $units");
196
197 } elsif ($cmd eq "withdraw" and $amount eq "" and $currency eq "") {
198 $who->reply ($npc, "How much do you want to withdraw?");
199
200 } elsif ($cmd eq "exchange") {
201 $who->reply ($npc, "This function is not yet implemented. Ask me again later.");
202
203 } elsif ($cmd eq "help" or $cmd eq "yes" and $arguments eq "") {
204 $who->reply ($npc, help $arguments);
205
206 } elsif ($cmd eq "help" or $cmd eq "yes" and $arguments ne "") {
207 $who->reply ($npc, help);
208
209 } else {
210 $who->reply ($npc, "Do you need help?");
211 }
212}
213

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