1 | package cf; |
1 | package cf; |
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2 | |
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3 | use utf8; |
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4 | use strict; |
2 | |
5 | |
3 | use Symbol; |
6 | use Symbol; |
4 | use List::Util; |
7 | use List::Util; |
5 | use Storable; |
8 | use Storable; |
6 | use Opcode; |
9 | use Opcode; |
7 | use Safe; |
10 | use Safe; |
8 | use Safe::Hole; |
11 | use Safe::Hole; |
9 | |
12 | |
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13 | use Coro; |
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14 | use Coro::Event; |
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15 | use Coro::Timer; |
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16 | use Coro::Signal; |
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17 | use Coro::Semaphore; |
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18 | |
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19 | use IO::AIO; |
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20 | use YAML::Syck (); |
10 | use Time::HiRes; |
21 | use Time::HiRes; |
11 | use Event; |
22 | |
12 | $Event::Eval = 1; # no idea why this is required, but it is |
23 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
13 | |
24 | |
14 | use strict; |
25 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
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26 | $YAML::Syck::ImplicitUnicode = 1; |
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27 | |
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28 | $Coro::main->prio (Coro::PRIO_MIN); |
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29 | |
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30 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
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31 | |
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32 | our %COMMAND = (); |
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33 | our %COMMAND_TIME = (); |
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34 | our %EXTCMD = (); |
15 | |
35 | |
16 | _init_vars; |
36 | _init_vars; |
17 | |
37 | |
18 | our %COMMAND = (); |
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19 | our @EVENT; |
38 | our @EVENT; |
20 | our $LIBDIR = maps_directory "perl"; |
39 | our $LIBDIR = datadir . "/ext"; |
21 | |
40 | |
22 | our $TICK = MAX_TIME * 1e-6; |
41 | our $TICK = MAX_TIME * 1e-6; |
23 | our $TICK_WATCHER; |
42 | our $TICK_WATCHER; |
24 | our $NEXT_TICK; |
43 | our $NEXT_TICK; |
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44 | |
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45 | our %CFG; |
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46 | |
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47 | our $UPTIME; $UPTIME ||= time; |
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48 | |
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49 | ############################################################################# |
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50 | |
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51 | =head2 GLOBAL VARIABLES |
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52 | |
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53 | =over 4 |
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54 | |
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55 | =item $cf::UPTIME |
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56 | |
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57 | The timestamp of the server start (so not actually an uptime). |
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58 | |
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59 | =item $cf::LIBDIR |
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60 | |
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61 | The perl library directory, where extensions and cf-specific modules can |
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62 | be found. It will be added to C<@INC> automatically. |
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63 | |
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64 | =item $cf::TICK |
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65 | |
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66 | The interval between server ticks, in seconds. |
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67 | |
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68 | =item %cf::CFG |
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69 | |
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70 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
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71 | from wherever your confdir points to. |
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72 | |
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73 | =back |
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74 | |
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75 | =cut |
25 | |
76 | |
26 | BEGIN { |
77 | BEGIN { |
27 | *CORE::GLOBAL::warn = sub { |
78 | *CORE::GLOBAL::warn = sub { |
28 | my $msg = join "", @_; |
79 | my $msg = join "", @_; |
29 | $msg .= "\n" |
80 | $msg .= "\n" |
… | |
… | |
32 | print STDERR "cfperl: $msg"; |
83 | print STDERR "cfperl: $msg"; |
33 | LOG llevError, "cfperl: $msg"; |
84 | LOG llevError, "cfperl: $msg"; |
34 | }; |
85 | }; |
35 | } |
86 | } |
36 | |
87 | |
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88 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
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89 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
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90 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
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91 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
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92 | @safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; |
37 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
93 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
38 | |
94 | |
39 | # we bless all objects into (empty) derived classes to force a method lookup |
95 | # we bless all objects into (empty) derived classes to force a method lookup |
40 | # within the Safe compartment. |
96 | # within the Safe compartment. |
41 | for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) { |
97 | for my $pkg (qw( |
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98 | cf::global |
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99 | cf::object cf::object::player |
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100 | cf::client cf::player |
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101 | cf::arch cf::living |
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102 | cf::map cf::party cf::region |
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103 | )) { |
42 | no strict 'refs'; |
104 | no strict 'refs'; |
43 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
105 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
44 | } |
106 | } |
45 | |
107 | |
46 | $Event::DIED = sub { |
108 | $Event::DIED = sub { |
… | |
… | |
48 | }; |
110 | }; |
49 | |
111 | |
50 | my %ext_pkg; |
112 | my %ext_pkg; |
51 | my @exts; |
113 | my @exts; |
52 | my @hook; |
114 | my @hook; |
53 | my %command; |
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54 | my %extcmd; |
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55 | |
115 | |
56 | ############################################################################# |
116 | =head2 UTILITY FUNCTIONS |
57 | # utility functions |
117 | |
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118 | =over 4 |
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119 | |
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120 | =cut |
58 | |
121 | |
59 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
122 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
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123 | |
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124 | =item $ref = cf::from_json $json |
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125 | |
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126 | Converts a JSON string into the corresponding perl data structure. |
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127 | |
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128 | =cut |
60 | |
129 | |
61 | sub from_json($) { |
130 | sub from_json($) { |
62 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
131 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
63 | JSON::Syck::Load $_[0] |
132 | JSON::Syck::Load $_[0] |
64 | } |
133 | } |
65 | |
134 | |
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135 | =item $json = cf::to_json $ref |
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136 | |
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137 | Converts a perl data structure into its JSON representation. |
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138 | |
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139 | =cut |
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140 | |
66 | sub to_json($) { |
141 | sub to_json($) { |
67 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
142 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
68 | JSON::Syck::Dump $_[0] |
143 | JSON::Syck::Dump $_[0] |
69 | } |
144 | } |
70 | |
145 | |
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146 | =back |
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147 | |
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148 | =cut |
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149 | |
71 | ############################################################################# |
150 | ############################################################################# |
72 | # "new" plug-in system |
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73 | |
151 | |
74 | =head3 EVENTS AND OBJECT ATTACHMENTS |
152 | =head2 ATTACHABLE OBJECTS |
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153 | |
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154 | Many objects in crossfire are so-called attachable objects. That means you can |
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155 | attach callbacks/event handlers (a collection of which is called an "attachment") |
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156 | to it. All such attachable objects support the following methods. |
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157 | |
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158 | In the following description, CLASS can be any of C<global>, C<object> |
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159 | C<player>, C<client> or C<map> (i.e. the attachable objects in |
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160 | crossfire+). |
75 | |
161 | |
76 | =over 4 |
162 | =over 4 |
77 | |
163 | |
78 | =item $object->attach ($attachment, key => $value...) |
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79 | |
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80 | =item $object->detach ($attachment) |
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81 | |
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82 | Attach/detach a pre-registered attachment to an object. |
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83 | |
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84 | =item $player->attach ($attachment, key => $value...) |
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85 | |
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86 | =item $player->detach ($attachment) |
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87 | |
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88 | Attach/detach a pre-registered attachment to a player. |
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89 | |
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90 | =item $map->attach ($attachment, key => $value...) |
164 | =item $attachable->attach ($attachment, key => $value...) |
91 | |
165 | |
92 | =item $map->detach ($attachment) |
166 | =item $attachable->detach ($attachment) |
93 | |
167 | |
94 | Attach/detach a pre-registered attachment to a map. |
168 | Attach/detach a pre-registered attachment to a specific object and give it |
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169 | the specified key/value pairs as arguments. |
95 | |
170 | |
96 | =item $bool = $object->attached ($name) |
171 | Example, attach a minesweeper attachment to the given object, making it a |
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172 | 10x10 minesweeper game: |
97 | |
173 | |
98 | =item $bool = $player->attached ($name) |
174 | $obj->attach (minesweeper => width => 10, height => 10); |
99 | |
175 | |
100 | =item $bool = $map->attached ($name) |
176 | =item $bool = $attachable->attached ($name) |
101 | |
177 | |
102 | Checks wether the named attachment is currently attached to the object. |
178 | Checks wether the named attachment is currently attached to the object. |
103 | |
179 | |
104 | =item cf::attach_global ... |
180 | =item cf::CLASS->attach ... |
105 | |
181 | |
106 | Attach handlers for global events. |
182 | =item cf::CLASS->detach ... |
107 | |
183 | |
108 | This and all following C<attach_*>-functions expect any number of the |
184 | Define an anonymous attachment and attach it to all objects of the given |
109 | following handler/hook descriptions: |
185 | CLASS. See the next function for an explanation of its arguments. |
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186 | |
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187 | You can attach to global events by using the C<cf::global> class. |
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188 | |
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189 | Example, log all player logins: |
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190 | |
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191 | cf::player->attach ( |
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192 | on_login => sub { |
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193 | my ($pl) = @_; |
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194 | ... |
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195 | }, |
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196 | ); |
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197 | |
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198 | Example, attach to the jeweler skill: |
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199 | |
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200 | cf::object->attach ( |
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201 | type => cf::SKILL, |
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202 | subtype => cf::SK_JEWELER, |
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203 | on_use_skill => sub { |
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204 | my ($sk, $ob, $part, $dir, $msg) = @_; |
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205 | ... |
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206 | }, |
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207 | ); |
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208 | |
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209 | =item cf::CLASS::attachment $name, ... |
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210 | |
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211 | Register an attachment by C<$name> through which attachable objects of the |
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212 | given CLASS can refer to this attachment. |
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213 | |
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214 | Some classes such as crossfire maps and objects can specify attachments |
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215 | that are attached at load/instantiate time, thus the need for a name. |
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216 | |
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217 | These calls expect any number of the following handler/hook descriptions: |
110 | |
218 | |
111 | =over 4 |
219 | =over 4 |
112 | |
220 | |
113 | =item prio => $number |
221 | =item prio => $number |
114 | |
222 | |
… | |
… | |
116 | by another C<prio> setting). Lower priority handlers get executed |
224 | by another C<prio> setting). Lower priority handlers get executed |
117 | earlier. The default priority is C<0>, and many built-in handlers are |
225 | earlier. The default priority is C<0>, and many built-in handlers are |
118 | registered at priority C<-1000>, so lower priorities should not be used |
226 | registered at priority C<-1000>, so lower priorities should not be used |
119 | unless you know what you are doing. |
227 | unless you know what you are doing. |
120 | |
228 | |
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229 | =item type => $type |
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230 | |
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231 | (Only for C<< cf::object->attach >> calls), limits the attachment to the |
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232 | given type of objects only (the additional parameter C<subtype> can be |
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233 | used to further limit to the given subtype). |
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234 | |
121 | =item on_I<event> => \&cb |
235 | =item on_I<event> => \&cb |
122 | |
236 | |
123 | Call the given code reference whenever the named event happens (event is |
237 | Call the given code reference whenever the named event happens (event is |
124 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
238 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
125 | handlers are recognised generally depends on the type of object these |
239 | handlers are recognised generally depends on the type of object these |
… | |
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134 | package and register them. Only handlers for eevents supported by the |
248 | package and register them. Only handlers for eevents supported by the |
135 | object/class are recognised. |
249 | object/class are recognised. |
136 | |
250 | |
137 | =back |
251 | =back |
138 | |
252 | |
139 | =item cf::attach_to_type $object_type, $subtype, ... |
253 | Example, define an attachment called "sockpuppet" that calls the given |
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254 | event handler when a monster attacks: |
140 | |
255 | |
141 | Attach handlers for a specific object type (e.g. TRANSPORT) and |
256 | cf::object::attachment sockpuppet => |
142 | subtype. If C<$subtype> is zero or undef, matches all objects of the given |
257 | on_skill_attack => sub { |
143 | type. |
258 | my ($self, $victim) = @_; |
144 | |
259 | ... |
145 | =item cf::attach_to_objects ... |
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146 | |
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147 | Attach handlers to all objects. Do not use this except for debugging or |
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148 | very rare events, as handlers are (obviously) called for I<all> objects in |
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149 | the game. |
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150 | |
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151 | =item cf::attach_to_players ... |
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152 | |
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153 | Attach handlers to all players. |
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154 | |
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155 | =item cf::attach_to_maps ... |
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156 | |
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157 | Attach handlers to all maps. |
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158 | |
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159 | =item cf:register_attachment $name, ... |
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160 | |
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161 | Register an attachment by name through which objects can refer to this |
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162 | attachment. |
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163 | |
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164 | =item cf:register_player_attachment $name, ... |
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165 | |
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166 | Register an attachment by name through which players can refer to this |
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167 | attachment. |
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168 | |
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169 | =item cf:register_map_attachment $name, ... |
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170 | |
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171 | Register an attachment by name through which maps can refer to this |
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172 | attachment. |
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173 | |
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174 | =cut |
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175 | |
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176 | # the following variables are defined in .xs and must not be re-created |
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177 | our @CB_GLOBAL = (); # registry for all global events |
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178 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
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179 | our @CB_PLAYER = (); |
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180 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
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181 | our @CB_MAP = (); |
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182 | |
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183 | my %attachment; |
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184 | |
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185 | sub _attach_cb($\%$$$) { |
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186 | my ($registry, $undo, $event, $prio, $cb) = @_; |
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187 | |
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188 | use sort 'stable'; |
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189 | |
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190 | $cb = [$prio, $cb]; |
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191 | |
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192 | @{$registry->[$event]} = sort |
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193 | { $a->[0] cmp $b->[0] } |
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194 | @{$registry->[$event] || []}, $cb; |
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195 | |
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196 | push @{$undo->{cb}}, [$event, $cb]; |
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197 | } |
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198 | |
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199 | # attach handles attaching event callbacks |
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200 | # the only thing the caller has to do is pass the correct |
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201 | # registry (== where the callback attaches to). |
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202 | sub _attach(\@$@) { |
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203 | my ($registry, $klass, @arg) = @_; |
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204 | |
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205 | my $prio = 0; |
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206 | |
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207 | my %undo = ( |
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208 | registry => $registry, |
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209 | cb => [], |
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210 | ); |
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211 | |
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212 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
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213 | |
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214 | while (@arg) { |
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215 | my $type = shift @arg; |
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216 | |
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217 | if ($type eq "prio") { |
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218 | $prio = shift @arg; |
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219 | |
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220 | } elsif ($type eq "package") { |
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221 | my $pkg = shift @arg; |
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222 | |
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223 | while (my ($name, $id) = each %cb_id) { |
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224 | if (my $cb = $pkg->can ($name)) { |
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225 | _attach_cb $registry, %undo, $id, $prio, $cb; |
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226 | } |
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227 | } |
260 | } |
228 | |
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229 | } elsif (exists $cb_id{$type}) { |
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230 | _attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg; |
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231 | |
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232 | } elsif (ref $type) { |
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233 | warn "attaching objects not supported, ignoring.\n"; |
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234 | |
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235 | } else { |
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236 | shift @arg; |
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237 | warn "attach argument '$type' not supported, ignoring.\n"; |
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238 | } |
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239 | } |
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240 | |
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241 | \%undo |
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242 | } |
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243 | |
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244 | sub _attach_attachment { |
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245 | my ($obj, $name, %arg) = @_; |
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246 | |
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247 | return if exists $obj->{_attachment}{$name}; |
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248 | |
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249 | my $res; |
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250 | |
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251 | if (my $attach = $attachment{$name}) { |
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252 | my $registry = $obj->registry; |
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253 | |
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254 | for (@$attach) { |
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255 | my ($klass, @attach) = @$_; |
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256 | $res = _attach @$registry, $klass, @attach; |
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257 | } |
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258 | |
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259 | $obj->{$name} = \%arg; |
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260 | } else { |
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261 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
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262 | } |
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263 | |
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264 | $obj->{_attachment}{$name} = undef; |
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265 | |
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266 | $res->{attachment} = $name; |
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267 | $res |
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268 | } |
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269 | |
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270 | *cf::object::attach = |
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271 | *cf::player::attach = |
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272 | *cf::map::attach = sub { |
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273 | my ($obj, $name, %arg) = @_; |
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274 | |
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275 | _attach_attachment $obj, $name, %arg; |
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276 | }; |
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277 | |
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278 | # all those should be optimised |
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279 | *cf::object::detach = |
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280 | *cf::player::detach = |
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281 | *cf::map::detach = sub { |
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282 | my ($obj, $name) = @_; |
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283 | |
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284 | delete $obj->{_attachment}{$name}; |
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285 | reattach ($obj); |
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286 | }; |
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287 | |
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288 | *cf::object::attached = |
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289 | *cf::player::attached = |
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290 | *cf::map::attached = sub { |
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291 | my ($obj, $name) = @_; |
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292 | |
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293 | exists $obj->{_attachment}{$name} |
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294 | }; |
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295 | |
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296 | sub attach_global { |
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297 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
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298 | } |
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299 | |
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300 | sub attach_to_type { |
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301 | my $type = shift; |
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302 | my $subtype = shift; |
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303 | |
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304 | _attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_ |
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305 | } |
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306 | |
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307 | sub attach_to_objects { |
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308 | _attach @CB_OBJECT, KLASS_OBJECT, @_ |
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309 | } |
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310 | |
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311 | sub attach_to_players { |
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312 | _attach @CB_PLAYER, KLASS_PLAYER, @_ |
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313 | } |
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314 | |
|
|
315 | sub attach_to_maps { |
|
|
316 | _attach @CB_MAP, KLASS_MAP, @_ |
|
|
317 | } |
|
|
318 | |
|
|
319 | sub register_attachment { |
|
|
320 | my $name = shift; |
|
|
321 | |
|
|
322 | $attachment{$name} = [[KLASS_OBJECT, @_]]; |
|
|
323 | } |
|
|
324 | |
|
|
325 | sub register_player_attachment { |
|
|
326 | my $name = shift; |
|
|
327 | |
|
|
328 | $attachment{$name} = [[KLASS_PLAYER, @_]]; |
|
|
329 | } |
|
|
330 | |
|
|
331 | sub register_map_attachment { |
|
|
332 | my $name = shift; |
|
|
333 | |
|
|
334 | $attachment{$name} = [[KLASS_MAP, @_]]; |
|
|
335 | } |
|
|
336 | |
|
|
337 | our $override; |
|
|
338 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
|
|
339 | |
|
|
340 | sub override { |
|
|
341 | $override = 1; |
|
|
342 | @invoke_results = (); |
|
|
343 | } |
|
|
344 | |
|
|
345 | sub do_invoke { |
|
|
346 | my $event = shift; |
|
|
347 | my $callbacks = shift; |
|
|
348 | |
|
|
349 | @invoke_results = (); |
|
|
350 | |
|
|
351 | local $override; |
|
|
352 | |
|
|
353 | for (@$callbacks) { |
|
|
354 | eval { &{$_->[1]} }; |
|
|
355 | |
|
|
356 | if ($@) { |
|
|
357 | warn "$@"; |
|
|
358 | warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n"; |
|
|
359 | override; |
|
|
360 | } |
|
|
361 | |
|
|
362 | return 1 if $override; |
|
|
363 | } |
|
|
364 | |
|
|
365 | 0 |
261 | } |
366 | } |
|
|
367 | |
262 | |
368 | =item $bool = cf::invoke EVENT_GLOBAL_XXX, ... |
263 | =item $attachable->valid |
369 | |
|
|
370 | =item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) |
|
|
371 | |
|
|
372 | =item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) |
|
|
373 | |
|
|
374 | =item $bool = $map->invoke (EVENT_MAP_XXX, ...) |
|
|
375 | |
|
|
376 | Generate a global/object/player/map-specific event with the given arguments. |
|
|
377 | |
|
|
378 | This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be |
|
|
379 | removed in future versions), and there is no public API to access override |
|
|
380 | results (if you must, access C<@cf::invoke_results> directly). |
|
|
381 | |
|
|
382 | =back |
|
|
383 | |
|
|
384 | =head2 methods valid for all pointers |
|
|
385 | |
|
|
386 | =over 4 |
|
|
387 | |
|
|
388 | =item $object->valid |
|
|
389 | |
|
|
390 | =item $player->valid |
|
|
391 | |
|
|
392 | =item $map->valid |
|
|
393 | |
264 | |
394 | Just because you have a perl object does not mean that the corresponding |
265 | Just because you have a perl object does not mean that the corresponding |
395 | C-level object still exists. If you try to access an object that has no |
266 | C-level object still exists. If you try to access an object that has no |
396 | valid C counterpart anymore you get an exception at runtime. This method |
267 | valid C counterpart anymore you get an exception at runtime. This method |
397 | can be used to test for existence of the C object part without causing an |
268 | can be used to test for existence of the C object part without causing an |
398 | exception. |
269 | exception. |
399 | |
270 | |
|
|
271 | =cut |
|
|
272 | |
|
|
273 | # the following variables are defined in .xs and must not be re-created |
|
|
274 | our @CB_GLOBAL = (); # registry for all global events |
|
|
275 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
|
|
276 | our @CB_PLAYER = (); |
|
|
277 | our @CB_CLIENT = (); |
|
|
278 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
|
|
279 | our @CB_MAP = (); |
|
|
280 | |
|
|
281 | my %attachment; |
|
|
282 | |
|
|
283 | sub _attach_cb($$$$) { |
|
|
284 | my ($registry, $event, $prio, $cb) = @_; |
|
|
285 | |
|
|
286 | use sort 'stable'; |
|
|
287 | |
|
|
288 | $cb = [$prio, $cb]; |
|
|
289 | |
|
|
290 | @{$registry->[$event]} = sort |
|
|
291 | { $a->[0] cmp $b->[0] } |
|
|
292 | @{$registry->[$event] || []}, $cb; |
|
|
293 | } |
|
|
294 | |
|
|
295 | # attach handles attaching event callbacks |
|
|
296 | # the only thing the caller has to do is pass the correct |
|
|
297 | # registry (== where the callback attaches to). |
|
|
298 | sub _attach { |
|
|
299 | my ($registry, $klass, @arg) = @_; |
|
|
300 | |
|
|
301 | my $object_type; |
|
|
302 | my $prio = 0; |
|
|
303 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
|
|
304 | |
|
|
305 | while (@arg) { |
|
|
306 | my $type = shift @arg; |
|
|
307 | |
|
|
308 | if ($type eq "prio") { |
|
|
309 | $prio = shift @arg; |
|
|
310 | |
|
|
311 | } elsif ($type eq "type") { |
|
|
312 | $object_type = shift @arg; |
|
|
313 | $registry = $CB_TYPE[$object_type] ||= []; |
|
|
314 | |
|
|
315 | } elsif ($type eq "subtype") { |
|
|
316 | defined $object_type or Carp::croak "subtype specified without type"; |
|
|
317 | my $object_subtype = shift @arg; |
|
|
318 | $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; |
|
|
319 | |
|
|
320 | } elsif ($type eq "package") { |
|
|
321 | my $pkg = shift @arg; |
|
|
322 | |
|
|
323 | while (my ($name, $id) = each %cb_id) { |
|
|
324 | if (my $cb = $pkg->can ($name)) { |
|
|
325 | _attach_cb $registry, $id, $prio, $cb; |
|
|
326 | } |
|
|
327 | } |
|
|
328 | |
|
|
329 | } elsif (exists $cb_id{$type}) { |
|
|
330 | _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; |
|
|
331 | |
|
|
332 | } elsif (ref $type) { |
|
|
333 | warn "attaching objects not supported, ignoring.\n"; |
|
|
334 | |
|
|
335 | } else { |
|
|
336 | shift @arg; |
|
|
337 | warn "attach argument '$type' not supported, ignoring.\n"; |
|
|
338 | } |
|
|
339 | } |
|
|
340 | } |
|
|
341 | |
|
|
342 | sub _object_attach { |
|
|
343 | my ($obj, $name, %arg) = @_; |
|
|
344 | |
|
|
345 | return if exists $obj->{_attachment}{$name}; |
|
|
346 | |
|
|
347 | if (my $attach = $attachment{$name}) { |
|
|
348 | my $registry = $obj->registry; |
|
|
349 | |
|
|
350 | for (@$attach) { |
|
|
351 | my ($klass, @attach) = @$_; |
|
|
352 | _attach $registry, $klass, @attach; |
|
|
353 | } |
|
|
354 | |
|
|
355 | $obj->{$name} = \%arg; |
|
|
356 | } else { |
|
|
357 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
358 | } |
|
|
359 | |
|
|
360 | $obj->{_attachment}{$name} = undef; |
|
|
361 | } |
|
|
362 | |
|
|
363 | sub cf::attachable::attach { |
|
|
364 | if (ref $_[0]) { |
|
|
365 | _object_attach @_; |
|
|
366 | } else { |
|
|
367 | _attach shift->_attach_registry, @_; |
|
|
368 | } |
|
|
369 | }; |
|
|
370 | |
|
|
371 | # all those should be optimised |
|
|
372 | sub cf::attachable::detach { |
|
|
373 | my ($obj, $name) = @_; |
|
|
374 | |
|
|
375 | if (ref $obj) { |
|
|
376 | delete $obj->{_attachment}{$name}; |
|
|
377 | reattach ($obj); |
|
|
378 | } else { |
|
|
379 | Carp::croak "cannot, currently, detach class attachments"; |
|
|
380 | } |
|
|
381 | }; |
|
|
382 | |
|
|
383 | sub cf::attachable::attached { |
|
|
384 | my ($obj, $name) = @_; |
|
|
385 | |
|
|
386 | exists $obj->{_attachment}{$name} |
|
|
387 | } |
|
|
388 | |
|
|
389 | for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) { |
|
|
390 | eval "#line " . __LINE__ . " 'cf.pm' |
|
|
391 | sub cf::\L$klass\E::_attach_registry { |
|
|
392 | (\\\@CB_$klass, KLASS_$klass) |
|
|
393 | } |
|
|
394 | |
|
|
395 | sub cf::\L$klass\E::attachment { |
|
|
396 | my \$name = shift; |
|
|
397 | |
|
|
398 | \$attachment{\$name} = [[KLASS_$klass, \@_]]; |
|
|
399 | } |
|
|
400 | "; |
|
|
401 | die if $@; |
|
|
402 | } |
|
|
403 | |
|
|
404 | our $override; |
|
|
405 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
|
|
406 | |
|
|
407 | sub override { |
|
|
408 | $override = 1; |
|
|
409 | @invoke_results = (); |
|
|
410 | } |
|
|
411 | |
|
|
412 | sub do_invoke { |
|
|
413 | my $event = shift; |
|
|
414 | my $callbacks = shift; |
|
|
415 | |
|
|
416 | @invoke_results = (); |
|
|
417 | |
|
|
418 | local $override; |
|
|
419 | |
|
|
420 | for (@$callbacks) { |
|
|
421 | eval { &{$_->[1]} }; |
|
|
422 | |
|
|
423 | if ($@) { |
|
|
424 | warn "$@"; |
|
|
425 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
|
|
426 | override; |
|
|
427 | } |
|
|
428 | |
|
|
429 | return 1 if $override; |
|
|
430 | } |
|
|
431 | |
|
|
432 | 0 |
|
|
433 | } |
|
|
434 | |
|
|
435 | =item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) |
|
|
436 | |
|
|
437 | =item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) |
|
|
438 | |
|
|
439 | Generate an object-specific event with the given arguments. |
|
|
440 | |
|
|
441 | This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be |
|
|
442 | removed in future versions), and there is no public API to access override |
|
|
443 | results (if you must, access C<@cf::invoke_results> directly). |
|
|
444 | |
400 | =back |
445 | =back |
401 | |
446 | |
402 | =cut |
447 | =cut |
403 | |
|
|
404 | *cf::object::valid = |
|
|
405 | *cf::player::valid = |
|
|
406 | *cf::map::valid = \&cf::_valid; |
|
|
407 | |
448 | |
408 | ############################################################################# |
449 | ############################################################################# |
409 | # object support |
450 | # object support |
410 | |
451 | |
411 | sub instantiate { |
452 | sub instantiate { |
… | |
… | |
431 | |
472 | |
432 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
473 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
433 | if (my $attach = $attachment{$name}) { |
474 | if (my $attach = $attachment{$name}) { |
434 | for (@$attach) { |
475 | for (@$attach) { |
435 | my ($klass, @attach) = @$_; |
476 | my ($klass, @attach) = @$_; |
436 | _attach @$registry, $klass, @attach; |
477 | _attach $registry, $klass, @attach; |
437 | } |
478 | } |
438 | } else { |
479 | } else { |
439 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
480 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
440 | } |
481 | } |
441 | } |
482 | } |
… | |
… | |
470 | unlink $filename; |
511 | unlink $filename; |
471 | unlink "$filename.pst"; |
512 | unlink "$filename.pst"; |
472 | } |
513 | } |
473 | } |
514 | } |
474 | |
515 | |
|
|
516 | sub object_freezer_as_string { |
|
|
517 | my ($rdata, $objs) = @_; |
|
|
518 | |
|
|
519 | use Data::Dumper; |
|
|
520 | |
|
|
521 | $$rdata . Dumper $objs |
|
|
522 | } |
|
|
523 | |
475 | sub object_thawer_load { |
524 | sub object_thawer_load { |
476 | my ($filename) = @_; |
525 | my ($filename) = @_; |
477 | |
526 | |
478 | local $/; |
527 | local $/; |
479 | |
528 | |
… | |
… | |
489 | } |
538 | } |
490 | |
539 | |
491 | () |
540 | () |
492 | } |
541 | } |
493 | |
542 | |
494 | attach_to_objects |
543 | cf::object->attach ( |
495 | prio => -1000000, |
544 | prio => -1000000, |
496 | on_clone => sub { |
545 | on_clone => sub { |
497 | my ($src, $dst) = @_; |
546 | my ($src, $dst) = @_; |
498 | |
547 | |
499 | @{$dst->registry} = @{$src->registry}; |
548 | @{$dst->registry} = @{$src->registry}; |
… | |
… | |
501 | %$dst = %$src; |
550 | %$dst = %$src; |
502 | |
551 | |
503 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
552 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
504 | if exists $src->{_attachment}; |
553 | if exists $src->{_attachment}; |
505 | }, |
554 | }, |
506 | ; |
555 | ); |
507 | |
556 | |
508 | ############################################################################# |
557 | ############################################################################# |
509 | # old plug-in events |
558 | # command handling &c |
510 | |
559 | |
511 | sub inject_event { |
560 | =item cf::register_command $name => \&callback($ob,$args); |
512 | my $extension = shift; |
|
|
513 | my $event_code = shift; |
|
|
514 | |
561 | |
515 | my $cb = $hook[$event_code]{$extension} |
562 | Register a callback for execution when the client sends the user command |
516 | or return; |
563 | $name. |
517 | |
564 | |
518 | &$cb |
565 | =cut |
519 | } |
|
|
520 | |
|
|
521 | sub inject_global_event { |
|
|
522 | my $event = shift; |
|
|
523 | |
|
|
524 | my $cb = $hook[$event] |
|
|
525 | or return; |
|
|
526 | |
|
|
527 | List::Util::max map &$_, values %$cb |
|
|
528 | } |
|
|
529 | |
|
|
530 | sub inject_command { |
|
|
531 | my ($name, $obj, $params) = @_; |
|
|
532 | |
|
|
533 | for my $cmd (@{ $command{$name} }) { |
|
|
534 | $cmd->[1]->($obj, $params); |
|
|
535 | } |
|
|
536 | |
|
|
537 | -1 |
|
|
538 | } |
|
|
539 | |
566 | |
540 | sub register_command { |
567 | sub register_command { |
541 | my ($name, $time, $cb) = @_; |
568 | my ($name, $cb) = @_; |
542 | |
569 | |
543 | my $caller = caller; |
570 | my $caller = caller; |
544 | #warn "registering command '$name/$time' to '$caller'"; |
571 | #warn "registering command '$name/$time' to '$caller'"; |
545 | |
572 | |
546 | push @{ $command{$name} }, [$time, $cb, $caller]; |
573 | push @{ $COMMAND{$name} }, [$caller, $cb]; |
547 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
|
|
548 | } |
574 | } |
|
|
575 | |
|
|
576 | =item cf::register_extcmd $name => \&callback($pl,$packet); |
|
|
577 | |
|
|
578 | Register a callbackf ro execution when the client sends an extcmd packet. |
|
|
579 | |
|
|
580 | If the callback returns something, it is sent back as if reply was being |
|
|
581 | called. |
|
|
582 | |
|
|
583 | =cut |
549 | |
584 | |
550 | sub register_extcmd { |
585 | sub register_extcmd { |
551 | my ($name, $cb) = @_; |
586 | my ($name, $cb) = @_; |
552 | |
587 | |
553 | my $caller = caller; |
588 | my $caller = caller; |
554 | #warn "registering extcmd '$name' to '$caller'"; |
589 | #warn "registering extcmd '$name' to '$caller'"; |
555 | |
590 | |
556 | $extcmd{$name} = [$cb, $caller]; |
591 | $EXTCMD{$name} = [$cb, $caller]; |
557 | } |
592 | } |
|
|
593 | |
|
|
594 | cf::player->attach ( |
|
|
595 | on_command => sub { |
|
|
596 | my ($pl, $name, $params) = @_; |
|
|
597 | |
|
|
598 | my $cb = $COMMAND{$name} |
|
|
599 | or return; |
|
|
600 | |
|
|
601 | for my $cmd (@$cb) { |
|
|
602 | $cmd->[1]->($pl->ob, $params); |
|
|
603 | } |
|
|
604 | |
|
|
605 | cf::override; |
|
|
606 | }, |
|
|
607 | on_extcmd => sub { |
|
|
608 | my ($pl, $buf) = @_; |
|
|
609 | |
|
|
610 | my $msg = eval { from_json $buf }; |
|
|
611 | |
|
|
612 | if (ref $msg) { |
|
|
613 | if (my $cb = $EXTCMD{$msg->{msgtype}}) { |
|
|
614 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
615 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
616 | } |
|
|
617 | } |
|
|
618 | } else { |
|
|
619 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
620 | } |
|
|
621 | |
|
|
622 | cf::override; |
|
|
623 | }, |
|
|
624 | ); |
558 | |
625 | |
559 | sub register { |
626 | sub register { |
560 | my ($base, $pkg) = @_; |
627 | my ($base, $pkg) = @_; |
561 | |
628 | |
562 | #TODO |
629 | #TODO |
… | |
… | |
581 | . "#line 1 \"$path\"\n{\n" |
648 | . "#line 1 \"$path\"\n{\n" |
582 | . (do { local $/; <$fh> }) |
649 | . (do { local $/; <$fh> }) |
583 | . "\n};\n1"; |
650 | . "\n};\n1"; |
584 | |
651 | |
585 | eval $source |
652 | eval $source |
586 | or die "$path: $@"; |
653 | or die $@ ? "$path: $@\n" |
|
|
654 | : "extension disabled.\n"; |
587 | |
655 | |
588 | push @exts, $pkg; |
656 | push @exts, $pkg; |
589 | $ext_pkg{$base} = $pkg; |
657 | $ext_pkg{$base} = $pkg; |
590 | |
658 | |
591 | # no strict 'refs'; |
659 | # no strict 'refs'; |
… | |
… | |
604 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
672 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
605 | # delete $hook[$idx]{$pkg}; |
673 | # delete $hook[$idx]{$pkg}; |
606 | # } |
674 | # } |
607 | |
675 | |
608 | # remove commands |
676 | # remove commands |
609 | for my $name (keys %command) { |
677 | for my $name (keys %COMMAND) { |
610 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
678 | my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} }; |
611 | |
679 | |
612 | if (@cb) { |
680 | if (@cb) { |
613 | $command{$name} = \@cb; |
681 | $COMMAND{$name} = \@cb; |
614 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
|
|
615 | } else { |
682 | } else { |
616 | delete $command{$name}; |
|
|
617 | delete $COMMAND{"$name\000"}; |
683 | delete $COMMAND{$name}; |
618 | } |
684 | } |
619 | } |
685 | } |
620 | |
686 | |
621 | # remove extcmds |
687 | # remove extcmds |
622 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
688 | for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) { |
623 | delete $extcmd{$name}; |
689 | delete $EXTCMD{$name}; |
624 | } |
690 | } |
625 | |
691 | |
626 | if (my $cb = $pkg->can ("unload")) { |
692 | if (my $cb = $pkg->can ("unload")) { |
627 | eval { |
693 | eval { |
628 | $cb->($pkg); |
694 | $cb->($pkg); |
… | |
… | |
632 | |
698 | |
633 | Symbol::delete_package $pkg; |
699 | Symbol::delete_package $pkg; |
634 | } |
700 | } |
635 | |
701 | |
636 | sub load_extensions { |
702 | sub load_extensions { |
637 | my $LIBDIR = maps_directory "perl"; |
|
|
638 | |
|
|
639 | for my $ext (<$LIBDIR/*.ext>) { |
703 | for my $ext (<$LIBDIR/*.ext>) { |
640 | next unless -r $ext; |
704 | next unless -r $ext; |
641 | eval { |
705 | eval { |
642 | load_extension $ext; |
706 | load_extension $ext; |
643 | 1 |
707 | 1 |
644 | } or warn "$ext not loaded: $@"; |
708 | } or warn "$ext not loaded: $@"; |
645 | } |
709 | } |
646 | } |
710 | } |
647 | |
711 | |
648 | sub _perl_reload(&) { |
|
|
649 | my ($msg) = @_; |
|
|
650 | |
|
|
651 | $msg->("reloading..."); |
|
|
652 | |
|
|
653 | eval { |
|
|
654 | # 1. cancel all watchers |
|
|
655 | $_->cancel for Event::all_watchers; |
|
|
656 | |
|
|
657 | # 2. unload all extensions |
|
|
658 | for (@exts) { |
|
|
659 | $msg->("unloading <$_>"); |
|
|
660 | unload_extension $_; |
|
|
661 | } |
|
|
662 | |
|
|
663 | # 3. unload all modules loaded from $LIBDIR |
|
|
664 | while (my ($k, $v) = each %INC) { |
|
|
665 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
666 | |
|
|
667 | $msg->("removing <$k>"); |
|
|
668 | delete $INC{$k}; |
|
|
669 | |
|
|
670 | $k =~ s/\.pm$//; |
|
|
671 | $k =~ s/\//::/g; |
|
|
672 | |
|
|
673 | if (my $cb = $k->can ("unload_module")) { |
|
|
674 | $cb->(); |
|
|
675 | } |
|
|
676 | |
|
|
677 | Symbol::delete_package $k; |
|
|
678 | } |
|
|
679 | |
|
|
680 | # 4. get rid of safe::, as good as possible |
|
|
681 | Symbol::delete_package "safe::$_" |
|
|
682 | for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region); |
|
|
683 | |
|
|
684 | # 5. remove register_script_function callbacks |
|
|
685 | # TODO |
|
|
686 | |
|
|
687 | # 6. unload cf.pm "a bit" |
|
|
688 | delete $INC{"cf.pm"}; |
|
|
689 | |
|
|
690 | # don't, removes xs symbols, too, |
|
|
691 | # and global variables created in xs |
|
|
692 | #Symbol::delete_package __PACKAGE__; |
|
|
693 | |
|
|
694 | # 7. reload cf.pm |
|
|
695 | $msg->("reloading cf.pm"); |
|
|
696 | require cf; |
|
|
697 | |
|
|
698 | $msg->("load extensions"); |
|
|
699 | cf::load_extensions; |
|
|
700 | |
|
|
701 | $msg->("reattach"); |
|
|
702 | _global_reattach; |
|
|
703 | }; |
|
|
704 | $msg->($@) if $@; |
|
|
705 | |
|
|
706 | $msg->("reloaded"); |
|
|
707 | }; |
|
|
708 | |
|
|
709 | sub perl_reload() { |
|
|
710 | _perl_reload { |
|
|
711 | warn $_[0]; |
|
|
712 | print "$_[0]\n"; |
|
|
713 | }; |
|
|
714 | } |
|
|
715 | |
|
|
716 | register_command "perl-reload", 0, sub { |
|
|
717 | my ($who, $arg) = @_; |
|
|
718 | |
|
|
719 | if ($who->flag (FLAG_WIZ)) { |
|
|
720 | _perl_reload { |
|
|
721 | warn $_[0]; |
|
|
722 | $who->message ($_[0]); |
|
|
723 | }; |
|
|
724 | } |
|
|
725 | }; |
|
|
726 | |
|
|
727 | ############################################################################# |
|
|
728 | # extcmd framework, basically convert ext <msg> |
|
|
729 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
|
730 | |
|
|
731 | attach_to_players |
|
|
732 | on_extcmd => sub { |
|
|
733 | my ($pl, $buf) = @_; |
|
|
734 | |
|
|
735 | my $msg = eval { from_json $buf }; |
|
|
736 | |
|
|
737 | if (ref $msg) { |
|
|
738 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
|
739 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
740 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
741 | } |
|
|
742 | } |
|
|
743 | } else { |
|
|
744 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
745 | } |
|
|
746 | |
|
|
747 | cf::override; |
|
|
748 | }, |
|
|
749 | ; |
|
|
750 | |
|
|
751 | ############################################################################# |
712 | ############################################################################# |
752 | # load/save/clean perl data associated with a map |
713 | # load/save/clean perl data associated with a map |
753 | |
714 | |
754 | *cf::mapsupport::on_clean = sub { |
715 | *cf::mapsupport::on_clean = sub { |
755 | my ($map) = @_; |
716 | my ($map) = @_; |
… | |
… | |
758 | defined $path or return; |
719 | defined $path or return; |
759 | |
720 | |
760 | unlink "$path.pst"; |
721 | unlink "$path.pst"; |
761 | }; |
722 | }; |
762 | |
723 | |
763 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
724 | cf::map->attach (prio => -10000, package => cf::mapsupport::); |
764 | |
725 | |
765 | ############################################################################# |
726 | ############################################################################# |
766 | # load/save perl data associated with player->ob objects |
727 | # load/save perl data associated with player->ob objects |
767 | |
728 | |
768 | sub all_objects(@) { |
729 | sub all_objects(@) { |
769 | @_, map all_objects ($_->inv), @_ |
730 | @_, map all_objects ($_->inv), @_ |
770 | } |
731 | } |
771 | |
732 | |
772 | # TODO: compatibility cruft, remove when no longer needed |
733 | # TODO: compatibility cruft, remove when no longer needed |
773 | attach_to_players |
734 | cf::player->attach ( |
774 | on_load => sub { |
735 | on_load => sub { |
775 | my ($pl, $path) = @_; |
736 | my ($pl, $path) = @_; |
776 | |
737 | |
777 | for my $o (all_objects $pl->ob) { |
738 | for my $o (all_objects $pl->ob) { |
778 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
739 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
… | |
… | |
780 | |
741 | |
781 | %$o = %{ Storable::thaw pack "H*", $value }; |
742 | %$o = %{ Storable::thaw pack "H*", $value }; |
782 | } |
743 | } |
783 | } |
744 | } |
784 | }, |
745 | }, |
785 | ; |
746 | ); |
786 | |
747 | |
787 | ############################################################################# |
748 | ############################################################################# |
788 | # core extensions - in perl |
749 | |
|
|
750 | =head2 CORE EXTENSIONS |
|
|
751 | |
|
|
752 | Functions and methods that extend core crossfire objects. |
|
|
753 | |
|
|
754 | =head3 cf::player |
|
|
755 | |
|
|
756 | =over 4 |
789 | |
757 | |
790 | =item cf::player::exists $login |
758 | =item cf::player::exists $login |
791 | |
759 | |
792 | Returns true when the given account exists. |
760 | Returns true when the given account exists. |
793 | |
761 | |
… | |
… | |
796 | sub cf::player::exists($) { |
764 | sub cf::player::exists($) { |
797 | cf::player::find $_[0] |
765 | cf::player::find $_[0] |
798 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
766 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
799 | } |
767 | } |
800 | |
768 | |
|
|
769 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
770 | |
|
|
771 | Sends an ext reply to the player. |
|
|
772 | |
|
|
773 | =cut |
|
|
774 | |
|
|
775 | sub cf::player::ext_reply($$$%) { |
|
|
776 | my ($self, $id, %msg) = @_; |
|
|
777 | |
|
|
778 | $msg{msgid} = $id; |
|
|
779 | |
|
|
780 | $self->send ("ext " . to_json \%msg); |
|
|
781 | } |
|
|
782 | |
|
|
783 | =back |
|
|
784 | |
|
|
785 | =head3 cf::object::player |
|
|
786 | |
|
|
787 | =over 4 |
|
|
788 | |
801 | =item $player->reply ($npc, $msg[, $flags]) |
789 | =item $player_object->reply ($npc, $msg[, $flags]) |
802 | |
790 | |
803 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
791 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
804 | can be C<undef>. Does the right thing when the player is currently in a |
792 | can be C<undef>. Does the right thing when the player is currently in a |
805 | dialogue with the given NPC character. |
793 | dialogue with the given NPC character. |
806 | |
794 | |
807 | =cut |
795 | =cut |
808 | |
796 | |
809 | # rough implementation of a future "reply" method that works |
797 | # rough implementation of a future "reply" method that works |
810 | # with dialog boxes. |
798 | # with dialog boxes. |
|
|
799 | #TODO: the first argument must go, split into a $npc->reply_to ( method |
811 | sub cf::object::player::reply($$$;$) { |
800 | sub cf::object::player::reply($$$;$) { |
812 | my ($self, $npc, $msg, $flags) = @_; |
801 | my ($self, $npc, $msg, $flags) = @_; |
813 | |
802 | |
814 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
803 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
815 | |
804 | |
… | |
… | |
819 | $msg = $npc->name . " says: $msg" if $npc; |
808 | $msg = $npc->name . " says: $msg" if $npc; |
820 | $self->message ($msg, $flags); |
809 | $self->message ($msg, $flags); |
821 | } |
810 | } |
822 | } |
811 | } |
823 | |
812 | |
824 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
813 | =item $player_object->may ("access") |
825 | |
814 | |
826 | Sends an ext reply to the player. |
815 | Returns wether the given player is authorized to access resource "access" |
|
|
816 | (e.g. "command_wizcast"). |
827 | |
817 | |
828 | =cut |
818 | =cut |
829 | |
819 | |
830 | sub cf::player::ext_reply($$$%) { |
820 | sub cf::object::player::may { |
|
|
821 | my ($self, $access) = @_; |
|
|
822 | |
|
|
823 | $self->flag (cf::FLAG_WIZ) || |
|
|
824 | (ref $cf::CFG{"may_$access"} |
|
|
825 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
|
|
826 | : $cf::CFG{"may_$access"}) |
|
|
827 | } |
|
|
828 | |
|
|
829 | =head3 cf::client |
|
|
830 | |
|
|
831 | =over 4 |
|
|
832 | |
|
|
833 | =item $client->send_drawinfo ($text, $flags) |
|
|
834 | |
|
|
835 | Sends a drawinfo packet to the client. Circumvents output buffering so |
|
|
836 | should not be used under normal circumstances. |
|
|
837 | |
|
|
838 | =cut |
|
|
839 | |
|
|
840 | sub cf::client::send_drawinfo { |
|
|
841 | my ($self, $text, $flags) = @_; |
|
|
842 | |
|
|
843 | utf8::encode $text; |
|
|
844 | $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); |
|
|
845 | } |
|
|
846 | |
|
|
847 | |
|
|
848 | =item $success = $client->query ($flags, "text", \&cb) |
|
|
849 | |
|
|
850 | Queues a query to the client, calling the given callback with |
|
|
851 | the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, |
|
|
852 | C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. |
|
|
853 | |
|
|
854 | Queries can fail, so check the return code. Or don't, as queries will become |
|
|
855 | reliable at some point in the future. |
|
|
856 | |
|
|
857 | =cut |
|
|
858 | |
|
|
859 | sub cf::client::query { |
|
|
860 | my ($self, $flags, $text, $cb) = @_; |
|
|
861 | |
|
|
862 | return unless $self->state == ST_PLAYING |
|
|
863 | || $self->state == ST_SETUP |
|
|
864 | || $self->state == ST_CUSTOM; |
|
|
865 | |
|
|
866 | $self->state (ST_CUSTOM); |
|
|
867 | |
|
|
868 | utf8::encode $text; |
|
|
869 | push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; |
|
|
870 | |
|
|
871 | $self->send_packet ($self->{query_queue}[0][0]) |
|
|
872 | if @{ $self->{query_queue} } == 1; |
|
|
873 | } |
|
|
874 | |
|
|
875 | cf::client->attach ( |
|
|
876 | on_reply => sub { |
|
|
877 | my ($ns, $msg) = @_; |
|
|
878 | |
|
|
879 | # this weird shuffling is so that direct followup queries |
|
|
880 | # get handled first |
|
|
881 | my $queue = delete $ns->{query_queue}; |
|
|
882 | |
|
|
883 | (shift @$queue)->[1]->($msg); |
|
|
884 | |
|
|
885 | push @{ $ns->{query_queue} }, @$queue; |
|
|
886 | |
|
|
887 | if (@{ $ns->{query_queue} } == @$queue) { |
|
|
888 | if (@$queue) { |
|
|
889 | $ns->send_packet ($ns->{query_queue}[0][0]); |
|
|
890 | } else { |
|
|
891 | $ns->state (ST_PLAYING); |
|
|
892 | } |
|
|
893 | } |
|
|
894 | }, |
|
|
895 | ); |
|
|
896 | |
|
|
897 | =item $client->coro (\&cb) |
|
|
898 | |
|
|
899 | Create a new coroutine, running the specified callback. The coroutine will |
|
|
900 | be automatically cancelled when the client gets destroyed (e.g. on logout, |
|
|
901 | or loss of connection). |
|
|
902 | |
|
|
903 | =cut |
|
|
904 | |
|
|
905 | sub cf::client::coro { |
831 | my ($self, $id, %msg) = @_; |
906 | my ($self, $cb) = @_; |
832 | |
907 | |
833 | $msg{msgid} = $id; |
908 | my $coro; $coro = async { |
|
|
909 | eval { |
|
|
910 | $cb->(); |
|
|
911 | }; |
|
|
912 | warn $@ if $@; |
|
|
913 | delete $self->{_coro}{$coro+0}; |
|
|
914 | }; |
834 | |
915 | |
835 | $self->send ("ext " . to_json \%msg); |
916 | $self->{_coro}{$coro+0} = $coro; |
836 | } |
917 | } |
837 | |
918 | |
838 | ############################################################################# |
919 | cf::client->attach ( |
839 | # map scripting support |
920 | on_destroy => sub { |
|
|
921 | my ($ns) = @_; |
|
|
922 | |
|
|
923 | $_->cancel for values %{ (delete $ns->{_coro}) || {} }; |
|
|
924 | }, |
|
|
925 | ); |
|
|
926 | |
|
|
927 | =back |
|
|
928 | |
|
|
929 | |
|
|
930 | =head2 SAFE SCRIPTING |
|
|
931 | |
|
|
932 | Functions that provide a safe environment to compile and execute |
|
|
933 | snippets of perl code without them endangering the safety of the server |
|
|
934 | itself. Looping constructs, I/O operators and other built-in functionality |
|
|
935 | is not available in the safe scripting environment, and the number of |
|
|
936 | functions and methods that can be called is greatly reduced. |
|
|
937 | |
|
|
938 | =cut |
840 | |
939 | |
841 | our $safe = new Safe "safe"; |
940 | our $safe = new Safe "safe"; |
842 | our $safe_hole = new Safe::Hole; |
941 | our $safe_hole = new Safe::Hole; |
843 | |
942 | |
844 | $SIG{FPE} = 'IGNORE'; |
943 | $SIG{FPE} = 'IGNORE'; |
845 | |
944 | |
846 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
945 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
847 | |
946 | |
848 | # here we export the classes and methods available to script code |
947 | # here we export the classes and methods available to script code |
849 | |
948 | |
|
|
949 | =pod |
|
|
950 | |
|
|
951 | The following fucntions and emthods are available within a safe environment: |
|
|
952 | |
|
|
953 | cf::object contr pay_amount pay_player map |
|
|
954 | cf::object::player player |
|
|
955 | cf::player peaceful |
|
|
956 | cf::map trigger |
|
|
957 | |
|
|
958 | =cut |
|
|
959 | |
850 | for ( |
960 | for ( |
851 | ["cf::object" => qw(contr pay_amount pay_player)], |
961 | ["cf::object" => qw(contr pay_amount pay_player map)], |
852 | ["cf::object::player" => qw(player)], |
962 | ["cf::object::player" => qw(player)], |
853 | ["cf::player" => qw(peaceful)], |
963 | ["cf::player" => qw(peaceful)], |
|
|
964 | ["cf::map" => qw(trigger)], |
854 | ) { |
965 | ) { |
855 | no strict 'refs'; |
966 | no strict 'refs'; |
856 | my ($pkg, @funs) = @$_; |
967 | my ($pkg, @funs) = @$_; |
857 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
968 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
858 | for @funs; |
969 | for @funs; |
859 | } |
970 | } |
|
|
971 | |
|
|
972 | =over 4 |
|
|
973 | |
|
|
974 | =item @retval = safe_eval $code, [var => value, ...] |
|
|
975 | |
|
|
976 | Compiled and executes the given perl code snippet. additional var/value |
|
|
977 | pairs result in temporary local (my) scalar variables of the given name |
|
|
978 | that are available in the code snippet. Example: |
|
|
979 | |
|
|
980 | my $five = safe_eval '$first + $second', first => 1, second => 4; |
|
|
981 | |
|
|
982 | =cut |
860 | |
983 | |
861 | sub safe_eval($;@) { |
984 | sub safe_eval($;@) { |
862 | my ($code, %vars) = @_; |
985 | my ($code, %vars) = @_; |
863 | |
986 | |
864 | my $qcode = $code; |
987 | my $qcode = $code; |
… | |
… | |
887 | } |
1010 | } |
888 | |
1011 | |
889 | wantarray ? @res : $res[0] |
1012 | wantarray ? @res : $res[0] |
890 | } |
1013 | } |
891 | |
1014 | |
|
|
1015 | =item cf::register_script_function $function => $cb |
|
|
1016 | |
|
|
1017 | Register a function that can be called from within map/npc scripts. The |
|
|
1018 | function should be reasonably secure and should be put into a package name |
|
|
1019 | like the extension. |
|
|
1020 | |
|
|
1021 | Example: register a function that gets called whenever a map script calls |
|
|
1022 | C<rent::overview>, as used by the C<rent> extension. |
|
|
1023 | |
|
|
1024 | cf::register_script_function "rent::overview" => sub { |
|
|
1025 | ... |
|
|
1026 | }; |
|
|
1027 | |
|
|
1028 | =cut |
|
|
1029 | |
892 | sub register_script_function { |
1030 | sub register_script_function { |
893 | my ($fun, $cb) = @_; |
1031 | my ($fun, $cb) = @_; |
894 | |
1032 | |
895 | no strict 'refs'; |
1033 | no strict 'refs'; |
896 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
1034 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
897 | } |
1035 | } |
898 | |
1036 | |
|
|
1037 | =back |
|
|
1038 | |
|
|
1039 | =cut |
|
|
1040 | |
|
|
1041 | ############################################################################# |
|
|
1042 | |
|
|
1043 | =head2 EXTENSION DATABASE SUPPORT |
|
|
1044 | |
|
|
1045 | Crossfire maintains a very simple database for extension use. It can |
|
|
1046 | currently store anything that can be serialised using Storable, which |
|
|
1047 | excludes objects. |
|
|
1048 | |
|
|
1049 | The parameter C<$family> should best start with the name of the extension |
|
|
1050 | using it, it should be unique. |
|
|
1051 | |
|
|
1052 | =over 4 |
|
|
1053 | |
|
|
1054 | =item $hashref = cf::db_get $family |
|
|
1055 | |
|
|
1056 | Return a hashref for use by the extension C<$family>, which can be |
|
|
1057 | modified. After modifications, you have to call C<cf::db_dirty> or |
|
|
1058 | C<cf::db_sync>. |
|
|
1059 | |
|
|
1060 | =item $value = cf::db_get $family => $key |
|
|
1061 | |
|
|
1062 | Returns a single value from the database |
|
|
1063 | |
|
|
1064 | =item cf::db_put $family => $hashref |
|
|
1065 | |
|
|
1066 | Stores the given family hashref into the database. Updates are delayed, if |
|
|
1067 | you want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
1068 | |
|
|
1069 | =item cf::db_put $family => $key => $value |
|
|
1070 | |
|
|
1071 | Stores the given C<$value> in the family hash. Updates are delayed, if you |
|
|
1072 | want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
1073 | |
|
|
1074 | =item cf::db_dirty |
|
|
1075 | |
|
|
1076 | Marks the database as dirty, to be updated at a later time. |
|
|
1077 | |
|
|
1078 | =item cf::db_sync |
|
|
1079 | |
|
|
1080 | Immediately write the database to disk I<if it is dirty>. |
|
|
1081 | |
|
|
1082 | =cut |
|
|
1083 | |
|
|
1084 | our $DB; |
|
|
1085 | |
|
|
1086 | { |
|
|
1087 | my $path = cf::localdir . "/database.pst"; |
|
|
1088 | |
|
|
1089 | sub db_load() { |
|
|
1090 | warn "loading database $path\n";#d# remove later |
|
|
1091 | $DB = stat $path ? Storable::retrieve $path : { }; |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | my $pid; |
|
|
1095 | |
|
|
1096 | sub db_save() { |
|
|
1097 | warn "saving database $path\n";#d# remove later |
|
|
1098 | waitpid $pid, 0 if $pid; |
|
|
1099 | if (0 == ($pid = fork)) { |
|
|
1100 | $DB->{_meta}{version} = 1; |
|
|
1101 | Storable::nstore $DB, "$path~"; |
|
|
1102 | rename "$path~", $path; |
|
|
1103 | cf::_exit 0 if defined $pid; |
|
|
1104 | } |
|
|
1105 | } |
|
|
1106 | |
|
|
1107 | my $dirty; |
|
|
1108 | |
|
|
1109 | sub db_sync() { |
|
|
1110 | db_save if $dirty; |
|
|
1111 | undef $dirty; |
|
|
1112 | } |
|
|
1113 | |
|
|
1114 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { |
|
|
1115 | db_sync; |
|
|
1116 | }); |
|
|
1117 | |
|
|
1118 | sub db_dirty() { |
|
|
1119 | $dirty = 1; |
|
|
1120 | $idle->start; |
|
|
1121 | } |
|
|
1122 | |
|
|
1123 | sub db_get($;$) { |
|
|
1124 | @_ >= 2 |
|
|
1125 | ? $DB->{$_[0]}{$_[1]} |
|
|
1126 | : ($DB->{$_[0]} ||= { }) |
|
|
1127 | } |
|
|
1128 | |
|
|
1129 | sub db_put($$;$) { |
|
|
1130 | if (@_ >= 3) { |
|
|
1131 | $DB->{$_[0]}{$_[1]} = $_[2]; |
|
|
1132 | } else { |
|
|
1133 | $DB->{$_[0]} = $_[1]; |
|
|
1134 | } |
|
|
1135 | db_dirty; |
|
|
1136 | } |
|
|
1137 | |
|
|
1138 | cf::global->attach ( |
|
|
1139 | prio => 10000, |
|
|
1140 | on_cleanup => sub { |
|
|
1141 | db_sync; |
|
|
1142 | }, |
|
|
1143 | ); |
|
|
1144 | } |
|
|
1145 | |
899 | ############################################################################# |
1146 | ############################################################################# |
900 | # the server's main() |
1147 | # the server's main() |
901 | |
1148 | |
|
|
1149 | sub cfg_load { |
|
|
1150 | open my $fh, "<:utf8", cf::confdir . "/config" |
|
|
1151 | or return; |
|
|
1152 | |
|
|
1153 | local $/; |
|
|
1154 | *CFG = YAML::Syck::Load <$fh>; |
|
|
1155 | } |
|
|
1156 | |
902 | sub main { |
1157 | sub main { |
|
|
1158 | cfg_load; |
|
|
1159 | db_load; |
903 | load_extensions; |
1160 | load_extensions; |
904 | Event::loop; |
1161 | Event::loop; |
905 | } |
1162 | } |
906 | |
1163 | |
907 | ############################################################################# |
1164 | ############################################################################# |
908 | # initialisation |
1165 | # initialisation |
909 | |
1166 | |
|
|
1167 | sub _perl_reload(&) { |
|
|
1168 | my ($msg) = @_; |
|
|
1169 | |
|
|
1170 | $msg->("reloading..."); |
|
|
1171 | |
|
|
1172 | eval { |
|
|
1173 | # cancel all watchers |
|
|
1174 | for (Event::all_watchers) { |
|
|
1175 | $_->cancel if $_->data & WF_AUTOCANCEL; |
|
|
1176 | } |
|
|
1177 | |
|
|
1178 | # unload all extensions |
|
|
1179 | for (@exts) { |
|
|
1180 | $msg->("unloading <$_>"); |
|
|
1181 | unload_extension $_; |
|
|
1182 | } |
|
|
1183 | |
|
|
1184 | # unload all modules loaded from $LIBDIR |
|
|
1185 | while (my ($k, $v) = each %INC) { |
|
|
1186 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
1187 | |
|
|
1188 | $msg->("removing <$k>"); |
|
|
1189 | delete $INC{$k}; |
|
|
1190 | |
|
|
1191 | $k =~ s/\.pm$//; |
|
|
1192 | $k =~ s/\//::/g; |
|
|
1193 | |
|
|
1194 | if (my $cb = $k->can ("unload_module")) { |
|
|
1195 | $cb->(); |
|
|
1196 | } |
|
|
1197 | |
|
|
1198 | Symbol::delete_package $k; |
|
|
1199 | } |
|
|
1200 | |
|
|
1201 | # sync database to disk |
|
|
1202 | cf::db_sync; |
|
|
1203 | |
|
|
1204 | # get rid of safe::, as good as possible |
|
|
1205 | Symbol::delete_package "safe::$_" |
|
|
1206 | for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region); |
|
|
1207 | |
|
|
1208 | # remove register_script_function callbacks |
|
|
1209 | # TODO |
|
|
1210 | |
|
|
1211 | # unload cf.pm "a bit" |
|
|
1212 | delete $INC{"cf.pm"}; |
|
|
1213 | |
|
|
1214 | # don't, removes xs symbols, too, |
|
|
1215 | # and global variables created in xs |
|
|
1216 | #Symbol::delete_package __PACKAGE__; |
|
|
1217 | |
|
|
1218 | # reload cf.pm |
|
|
1219 | $msg->("reloading cf.pm"); |
|
|
1220 | require cf; |
|
|
1221 | |
|
|
1222 | # load config and database again |
|
|
1223 | cf::cfg_load; |
|
|
1224 | cf::db_load; |
|
|
1225 | |
|
|
1226 | # load extensions |
|
|
1227 | $msg->("load extensions"); |
|
|
1228 | cf::load_extensions; |
|
|
1229 | |
|
|
1230 | # reattach attachments to objects |
|
|
1231 | $msg->("reattach"); |
|
|
1232 | _global_reattach; |
|
|
1233 | }; |
|
|
1234 | $msg->($@) if $@; |
|
|
1235 | |
|
|
1236 | $msg->("reloaded"); |
|
|
1237 | }; |
|
|
1238 | |
|
|
1239 | sub perl_reload() { |
|
|
1240 | _perl_reload { |
|
|
1241 | warn $_[0]; |
|
|
1242 | print "$_[0]\n"; |
|
|
1243 | }; |
|
|
1244 | } |
|
|
1245 | |
910 | register "<global>", __PACKAGE__; |
1246 | register "<global>", __PACKAGE__; |
911 | |
1247 | |
|
|
1248 | register_command "perl-reload" => sub { |
|
|
1249 | my ($who, $arg) = @_; |
|
|
1250 | |
|
|
1251 | if ($who->flag (FLAG_WIZ)) { |
|
|
1252 | _perl_reload { |
|
|
1253 | warn $_[0]; |
|
|
1254 | $who->message ($_[0]); |
|
|
1255 | }; |
|
|
1256 | } |
|
|
1257 | }; |
|
|
1258 | |
912 | unshift @INC, $LIBDIR; |
1259 | unshift @INC, $LIBDIR; |
913 | |
1260 | |
914 | $TICK_WATCHER = Event->timer ( |
1261 | $TICK_WATCHER = Event->timer ( |
915 | prio => 1, |
1262 | prio => 0, |
916 | at => $NEXT_TICK || 1, |
1263 | at => $NEXT_TICK || 1, |
|
|
1264 | data => WF_AUTOCANCEL, |
917 | cb => sub { |
1265 | cb => sub { |
918 | cf::server_tick; # one server iteration |
1266 | cf::server_tick; # one server iteration |
919 | |
1267 | |
920 | my $NOW = Event::time; |
1268 | my $NOW = Event::time; |
921 | $NEXT_TICK += $TICK; |
1269 | $NEXT_TICK += $TICK; |
922 | |
1270 | |
923 | # if we are delayed by four ticks, skip them all |
1271 | # if we are delayed by four ticks or more, skip them all |
924 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
1272 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
925 | |
1273 | |
926 | $TICK_WATCHER->at ($NEXT_TICK); |
1274 | $TICK_WATCHER->at ($NEXT_TICK); |
927 | $TICK_WATCHER->start; |
1275 | $TICK_WATCHER->start; |
928 | }, |
1276 | }, |
929 | ); |
1277 | ); |
930 | |
1278 | |
|
|
1279 | IO::AIO::max_poll_time $TICK * 0.2; |
|
|
1280 | |
|
|
1281 | Event->io (fd => IO::AIO::poll_fileno, |
|
|
1282 | poll => 'r', |
|
|
1283 | prio => 5, |
|
|
1284 | data => WF_AUTOCANCEL, |
|
|
1285 | cb => \&IO::AIO::poll_cb); |
|
|
1286 | |
931 | 1 |
1287 | 1 |
932 | |
1288 | |