… | |
… | |
5 | use Storable; |
5 | use Storable; |
6 | use Opcode; |
6 | use Opcode; |
7 | use Safe; |
7 | use Safe; |
8 | use Safe::Hole; |
8 | use Safe::Hole; |
9 | |
9 | |
|
|
10 | use IO::AIO (); |
|
|
11 | use YAML::Syck (); |
10 | use Time::HiRes; |
12 | use Time::HiRes; |
11 | use Event; |
13 | use Event; |
12 | $Event::Eval = 1; # no idea why this is required, but it is |
14 | $Event::Eval = 1; # no idea why this is required, but it is |
13 | |
15 | |
|
|
16 | # work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? |
|
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17 | $YAML::Syck::ImplicitUnicode = 1; |
|
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18 | |
14 | use strict; |
19 | use strict; |
|
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20 | |
|
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21 | _init_vars; |
15 | |
22 | |
16 | our %COMMAND = (); |
23 | our %COMMAND = (); |
17 | our @EVENT; |
24 | our @EVENT; |
18 | our @PLUGIN_EVENT; |
|
|
19 | our %PROP_TYPE; |
|
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20 | our %PROP_IDX; |
|
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21 | our $LIBDIR = maps_directory "perl"; |
25 | our $LIBDIR = maps_directory "perl"; |
22 | |
26 | |
23 | our $TICK = MAX_TIME * 1e-6; |
27 | our $TICK = MAX_TIME * 1e-6; |
24 | our $TICK_WATCHER; |
28 | our $TICK_WATCHER; |
25 | our $NEXT_TICK; |
29 | our $NEXT_TICK; |
26 | |
30 | |
|
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31 | our %CFG; |
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32 | |
|
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33 | our $uptime;#d# |
|
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34 | our $UPTIME; |
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35 | $UPTIME ||= $uptime;#d# |
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36 | $UPTIME ||= time; |
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37 | |
|
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38 | ############################################################################# |
|
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39 | |
|
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40 | =head2 GLOBAL VARIABLES |
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41 | |
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42 | =over 4 |
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43 | |
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44 | =item $cf::UPTIME |
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45 | |
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46 | The timestamp of the server start (so not actually an uptime). |
|
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47 | |
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48 | =item $cf::LIBDIR |
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49 | |
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50 | The perl library directory, where extensions and cf-specific modules can |
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51 | be found. It will be added to C<@INC> automatically. |
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52 | |
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53 | =item $cf::TICK |
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54 | |
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55 | The interval between server ticks, in seconds. |
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56 | |
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57 | =item %cf::CFG |
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58 | |
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59 | Configuration for the server, loaded from C</etc/crossfire/config>, or |
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60 | from wherever your confdir points to. |
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61 | |
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62 | =back |
|
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63 | |
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64 | =cut |
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65 | |
27 | BEGIN { |
66 | BEGIN { |
28 | @PLUGIN_EVENT = map lc, @PLUGIN_EVENT; |
|
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29 | |
|
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30 | *CORE::GLOBAL::warn = sub { |
67 | *CORE::GLOBAL::warn = sub { |
31 | my $msg = join "", @_; |
68 | my $msg = join "", @_; |
32 | $msg .= "\n" |
69 | $msg .= "\n" |
33 | unless $msg =~ /\n$/; |
70 | unless $msg =~ /\n$/; |
34 | |
71 | |
35 | print STDERR "cfperl: $msg"; |
72 | print STDERR "cfperl: $msg"; |
36 | LOG llevError, "cfperl: $msg"; |
73 | LOG llevError, "cfperl: $msg"; |
37 | }; |
74 | }; |
38 | } |
75 | } |
39 | |
76 | |
40 | my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
|
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41 | |
|
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42 | # generate property mutators |
|
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43 | sub prop_gen { |
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44 | my ($prefix, $class) = @_; |
|
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45 | |
|
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46 | no strict 'refs'; |
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47 | |
|
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48 | for my $prop (keys %PROP_TYPE) { |
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49 | $prop =~ /^\Q$prefix\E_(.*$)/ or next; |
|
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50 | my $sub = lc $1; |
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51 | |
|
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52 | my $type = $PROP_TYPE{$prop}; |
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53 | my $idx = $PROP_IDX {$prop}; |
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54 | |
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55 | *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
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56 | $_[0]->get_property ($type, $idx) |
|
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57 | }; |
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58 | |
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59 | *{"$class\::set_$sub"} = sub { |
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60 | $_[0]->set_property ($type, $idx, $_[1]); |
|
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61 | } unless $ignore_set{$prop}; |
|
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62 | } |
|
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63 | } |
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64 | |
|
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65 | # auto-generate most of the API |
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66 | |
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67 | prop_gen OBJECT_PROP => "cf::object"; |
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68 | # CFAPI_OBJECT_ANIMATION? |
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69 | prop_gen PLAYER_PROP => "cf::object::player"; |
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70 | |
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71 | prop_gen MAP_PROP => "cf::map"; |
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72 | prop_gen ARCH_PROP => "cf::arch"; |
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73 | |
|
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74 | # guessed hierarchies |
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75 | |
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76 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
77 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
77 | @safe::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
|
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78 | |
78 | |
79 | # we bless all objects into (empty) derived classes to force a method lookup |
79 | # we bless all objects into (empty) derived classes to force a method lookup |
80 | # within the Safe compartment. |
80 | # within the Safe compartment. |
81 | for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
81 | for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) { |
82 | no strict 'refs'; |
82 | no strict 'refs'; |
83 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
83 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
84 | } |
84 | } |
85 | |
85 | |
86 | $Event::DIED = sub { |
86 | $Event::DIED = sub { |
… | |
… | |
91 | my @exts; |
91 | my @exts; |
92 | my @hook; |
92 | my @hook; |
93 | my %command; |
93 | my %command; |
94 | my %extcmd; |
94 | my %extcmd; |
95 | |
95 | |
|
|
96 | =head2 UTILITY FUNCTIONS |
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97 | |
|
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98 | =over 4 |
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99 | |
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100 | =cut |
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101 | |
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102 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
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103 | |
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104 | =item $ref = cf::from_json $json |
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105 | |
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106 | Converts a JSON string into the corresponding perl data structure. |
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107 | |
|
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108 | =cut |
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109 | |
|
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110 | sub from_json($) { |
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111 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
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112 | JSON::Syck::Load $_[0] |
|
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113 | } |
|
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114 | |
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115 | =item $json = cf::to_json $ref |
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116 | |
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117 | Converts a perl data structure into its JSON representation. |
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118 | |
|
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119 | =cut |
|
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120 | |
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121 | sub to_json($) { |
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122 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
|
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123 | JSON::Syck::Dump $_[0] |
|
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124 | } |
|
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125 | |
|
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126 | =back |
|
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127 | |
|
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128 | =cut |
|
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129 | |
96 | ############################################################################# |
130 | ############################################################################# |
97 | # "new" plug-in system |
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98 | |
131 | |
99 | =item cf::object::attach ... # NYI |
132 | =head2 EVENTS AND OBJECT ATTACHMENTS |
|
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133 | |
|
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134 | =over 4 |
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135 | |
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136 | =item $object->attach ($attachment, key => $value...) |
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137 | |
|
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138 | =item $object->detach ($attachment) |
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139 | |
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140 | Attach/detach a pre-registered attachment to an object. |
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141 | |
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142 | =item $player->attach ($attachment, key => $value...) |
|
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143 | |
|
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144 | =item $player->detach ($attachment) |
|
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145 | |
|
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146 | Attach/detach a pre-registered attachment to a player. |
|
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147 | |
|
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148 | =item $map->attach ($attachment, key => $value...) |
|
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149 | |
|
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150 | =item $map->detach ($attachment) |
|
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151 | |
|
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152 | Attach/detach a pre-registered attachment to a map. |
|
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153 | |
|
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154 | =item $bool = $object->attached ($name) |
|
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155 | |
|
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156 | =item $bool = $player->attached ($name) |
|
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157 | |
|
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158 | =item $bool = $map->attached ($name) |
|
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159 | |
|
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160 | Checks wether the named attachment is currently attached to the object. |
100 | |
161 | |
101 | =item cf::attach_global ... |
162 | =item cf::attach_global ... |
102 | |
163 | |
103 | =item cf::attach_to_type ... |
164 | Attach handlers for global events. |
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165 | |
|
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166 | This and all following C<attach_*>-functions expect any number of the |
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167 | following handler/hook descriptions: |
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168 | |
|
|
169 | =over 4 |
|
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170 | |
|
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171 | =item prio => $number |
|
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172 | |
|
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173 | Set the priority for all following handlers/hooks (unless overwritten |
|
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174 | by another C<prio> setting). Lower priority handlers get executed |
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175 | earlier. The default priority is C<0>, and many built-in handlers are |
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176 | registered at priority C<-1000>, so lower priorities should not be used |
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177 | unless you know what you are doing. |
|
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178 | |
|
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179 | =item on_I<event> => \&cb |
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180 | |
|
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181 | Call the given code reference whenever the named event happens (event is |
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182 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
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183 | handlers are recognised generally depends on the type of object these |
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184 | handlers attach to). |
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185 | |
|
|
186 | See F<include/eventinc.h> for the full list of events supported, and their |
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187 | class. |
|
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188 | |
|
|
189 | =item package => package:: |
|
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190 | |
|
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191 | Look for sub functions of the name C<< on_I<event> >> in the given |
|
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192 | package and register them. Only handlers for eevents supported by the |
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193 | object/class are recognised. |
|
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194 | |
|
|
195 | =back |
|
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196 | |
|
|
197 | =item cf::attach_to_type $object_type, $subtype, ... |
|
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198 | |
|
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199 | Attach handlers for a specific object type (e.g. TRANSPORT) and |
|
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200 | subtype. If C<$subtype> is zero or undef, matches all objects of the given |
|
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201 | type. |
104 | |
202 | |
105 | =item cf::attach_to_objects ... |
203 | =item cf::attach_to_objects ... |
106 | |
204 | |
|
|
205 | Attach handlers to all objects. Do not use this except for debugging or |
|
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206 | very rare events, as handlers are (obviously) called for I<all> objects in |
|
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207 | the game. |
|
|
208 | |
107 | =item cf::attach_to_players ... |
209 | =item cf::attach_to_players ... |
108 | |
210 | |
|
|
211 | Attach handlers to all players. |
|
|
212 | |
109 | =item cf::attach_to_maps ... |
213 | =item cf::attach_to_maps ... |
110 | |
214 | |
111 | prio => $number, # lower is earlier |
215 | Attach handlers to all maps. |
112 | on_xxx => \&cb, |
216 | |
113 | package => package::, |
217 | =item cf:register_attachment $name, ... |
|
|
218 | |
|
|
219 | Register an attachment by name through which objects can refer to this |
|
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220 | attachment. |
|
|
221 | |
|
|
222 | =item cf:register_player_attachment $name, ... |
|
|
223 | |
|
|
224 | Register an attachment by name through which players can refer to this |
|
|
225 | attachment. |
|
|
226 | |
|
|
227 | =item cf:register_map_attachment $name, ... |
|
|
228 | |
|
|
229 | Register an attachment by name through which maps can refer to this |
|
|
230 | attachment. |
114 | |
231 | |
115 | =cut |
232 | =cut |
116 | |
233 | |
117 | # the following variables are defined in .xs and must not be re-created |
234 | # the following variables are defined in .xs and must not be re-created |
118 | our @CB_GLOBAL = (); # registry for all global events |
235 | our @CB_GLOBAL = (); # registry for all global events |
119 | our @CB_OBJECT = (); |
236 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
120 | our @CB_PLAYER = (); |
237 | our @CB_PLAYER = (); |
121 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
238 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
122 | our @CB_MAP = (); |
239 | our @CB_MAP = (); |
123 | |
240 | |
|
|
241 | my %attachment; |
|
|
242 | |
124 | sub _attach_cb($\%$$$) { |
243 | sub _attach_cb($\%$$$) { |
125 | my ($registry, $undo, $event, $prio, $cb) = @_; |
244 | my ($registry, $undo, $event, $prio, $cb) = @_; |
126 | |
245 | |
127 | use sort 'stable'; |
246 | use sort 'stable'; |
128 | |
247 | |
… | |
… | |
136 | } |
255 | } |
137 | |
256 | |
138 | # attach handles attaching event callbacks |
257 | # attach handles attaching event callbacks |
139 | # the only thing the caller has to do is pass the correct |
258 | # the only thing the caller has to do is pass the correct |
140 | # registry (== where the callback attaches to). |
259 | # registry (== where the callback attaches to). |
141 | sub _attach(\@$\@) { |
260 | sub _attach(\@$@) { |
142 | my ($registry, $klass, $arg) = @_; |
261 | my ($registry, $klass, @arg) = @_; |
143 | |
262 | |
144 | my $prio = 0; |
263 | my $prio = 0; |
145 | |
264 | |
146 | my %undo = ( |
265 | my %undo = ( |
147 | registry => $registry, |
266 | registry => $registry, |
148 | cb => [], |
267 | cb => [], |
149 | ); |
268 | ); |
150 | |
269 | |
151 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
270 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
152 | |
271 | |
153 | while (@$arg) { |
272 | while (@arg) { |
154 | my $type = shift @$arg; |
273 | my $type = shift @arg; |
155 | |
274 | |
156 | if ($type eq "prio") { |
275 | if ($type eq "prio") { |
157 | $prio = shift @$arg; |
276 | $prio = shift @arg; |
158 | |
277 | |
159 | } elsif ($type eq "package") { |
278 | } elsif ($type eq "package") { |
160 | my $pkg = shift @$arg; |
279 | my $pkg = shift @arg; |
161 | |
280 | |
162 | while (my ($name, $id) = each %cb_id) { |
281 | while (my ($name, $id) = each %cb_id) { |
163 | if (my $cb = $pkg->can ($name)) { |
282 | if (my $cb = $pkg->can ($name)) { |
164 | _attach_cb $registry, %undo, $id, $prio, $cb; |
283 | _attach_cb $registry, %undo, $id, $prio, $cb; |
165 | } |
284 | } |
166 | } |
285 | } |
167 | |
286 | |
168 | } elsif (exists $cb_id{$type}) { |
287 | } elsif (exists $cb_id{$type}) { |
169 | _attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @$arg; |
288 | _attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @arg; |
170 | |
289 | |
171 | } elsif (ref $type) { |
290 | } elsif (ref $type) { |
172 | warn "attaching objects not supported, ignoring.\n"; |
291 | warn "attaching objects not supported, ignoring.\n"; |
173 | |
292 | |
174 | } else { |
293 | } else { |
175 | shift @$arg; |
294 | shift @arg; |
176 | warn "attach argument '$type' not supported, ignoring.\n"; |
295 | warn "attach argument '$type' not supported, ignoring.\n"; |
177 | } |
296 | } |
178 | } |
297 | } |
179 | |
298 | |
180 | \%undo |
299 | \%undo |
181 | } |
300 | } |
182 | |
301 | |
|
|
302 | sub _attach_attachment { |
|
|
303 | my ($obj, $name, %arg) = @_; |
|
|
304 | |
|
|
305 | return if exists $obj->{_attachment}{$name}; |
|
|
306 | |
|
|
307 | my $res; |
|
|
308 | |
|
|
309 | if (my $attach = $attachment{$name}) { |
|
|
310 | my $registry = $obj->registry; |
|
|
311 | |
|
|
312 | for (@$attach) { |
|
|
313 | my ($klass, @attach) = @$_; |
|
|
314 | $res = _attach @$registry, $klass, @attach; |
|
|
315 | } |
|
|
316 | |
|
|
317 | $obj->{$name} = \%arg; |
|
|
318 | } else { |
|
|
319 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
320 | } |
|
|
321 | |
|
|
322 | $obj->{_attachment}{$name} = undef; |
|
|
323 | |
|
|
324 | $res->{attachment} = $name; |
|
|
325 | $res |
|
|
326 | } |
|
|
327 | |
183 | sub cf::object::attach { |
328 | *cf::object::attach = |
184 | die; |
329 | *cf::player::attach = |
185 | } |
330 | *cf::map::attach = sub { |
|
|
331 | my ($obj, $name, %arg) = @_; |
|
|
332 | |
|
|
333 | _attach_attachment $obj, $name, %arg; |
|
|
334 | }; |
|
|
335 | |
|
|
336 | # all those should be optimised |
|
|
337 | *cf::object::detach = |
|
|
338 | *cf::player::detach = |
|
|
339 | *cf::map::detach = sub { |
|
|
340 | my ($obj, $name) = @_; |
|
|
341 | |
|
|
342 | delete $obj->{_attachment}{$name}; |
|
|
343 | reattach ($obj); |
|
|
344 | }; |
|
|
345 | |
|
|
346 | *cf::object::attached = |
|
|
347 | *cf::player::attached = |
|
|
348 | *cf::map::attached = sub { |
|
|
349 | my ($obj, $name) = @_; |
|
|
350 | |
|
|
351 | exists $obj->{_attachment}{$name} |
|
|
352 | }; |
186 | |
353 | |
187 | sub attach_global { |
354 | sub attach_global { |
188 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
355 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
189 | } |
356 | } |
190 | |
357 | |
191 | sub attach_to_type { |
358 | sub attach_to_type { |
192 | my $type = shift; |
359 | my $type = shift; |
|
|
360 | my $subtype = shift; |
|
|
361 | |
193 | _attach @{$CB_TYPE[$type]}, KLASS_OBJECT, @_ |
362 | _attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_ |
194 | } |
363 | } |
195 | |
364 | |
196 | sub attach_to_objects { |
365 | sub attach_to_objects { |
197 | _attach @CB_OBJECT, KLASS_OBJECT, @_ |
366 | _attach @CB_OBJECT, KLASS_OBJECT, @_ |
198 | } |
367 | } |
… | |
… | |
203 | |
372 | |
204 | sub attach_to_maps { |
373 | sub attach_to_maps { |
205 | _attach @CB_MAP, KLASS_MAP, @_ |
374 | _attach @CB_MAP, KLASS_MAP, @_ |
206 | } |
375 | } |
207 | |
376 | |
|
|
377 | sub register_attachment { |
|
|
378 | my $name = shift; |
|
|
379 | |
|
|
380 | $attachment{$name} = [[KLASS_OBJECT, @_]]; |
|
|
381 | } |
|
|
382 | |
|
|
383 | sub register_player_attachment { |
|
|
384 | my $name = shift; |
|
|
385 | |
|
|
386 | $attachment{$name} = [[KLASS_PLAYER, @_]]; |
|
|
387 | } |
|
|
388 | |
|
|
389 | sub register_map_attachment { |
|
|
390 | my $name = shift; |
|
|
391 | |
|
|
392 | $attachment{$name} = [[KLASS_MAP, @_]]; |
|
|
393 | } |
|
|
394 | |
208 | our $override; |
395 | our $override; |
|
|
396 | our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? |
209 | |
397 | |
210 | sub override() { |
398 | sub override { |
211 | $override = 1 |
399 | $override = 1; |
|
|
400 | @invoke_results = (); |
212 | } |
401 | } |
213 | |
402 | |
214 | sub invoke { |
403 | sub do_invoke { |
215 | my $event = shift; |
404 | my $event = shift; |
216 | my $callbacks = shift; |
405 | my $callbacks = shift; |
217 | |
406 | |
|
|
407 | @invoke_results = (); |
|
|
408 | |
218 | local $override; |
409 | local $override; |
219 | |
410 | |
220 | for (@$callbacks) { |
411 | for (@$callbacks) { |
221 | eval { &{$_->[1]} }; |
412 | eval { &{$_->[1]} }; |
222 | |
413 | |
223 | if ($@) { |
414 | if ($@) { |
224 | warn "$@"; |
415 | warn "$@"; |
225 | warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n"; |
416 | warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; |
226 | override; |
417 | override; |
227 | } |
418 | } |
228 | |
419 | |
229 | return 1 if $override; |
420 | return 1 if $override; |
230 | } |
421 | } |
231 | |
422 | |
232 | 0 |
423 | 0 |
233 | } |
424 | } |
|
|
425 | |
|
|
426 | =item $bool = cf::invoke EVENT_GLOBAL_XXX, ... |
|
|
427 | |
|
|
428 | =item $bool = $object->invoke (EVENT_OBJECT_XXX, ...) |
|
|
429 | |
|
|
430 | =item $bool = $player->invoke (EVENT_PLAYER_XXX, ...) |
|
|
431 | |
|
|
432 | =item $bool = $map->invoke (EVENT_MAP_XXX, ...) |
|
|
433 | |
|
|
434 | Generate a global/object/player/map-specific event with the given arguments. |
|
|
435 | |
|
|
436 | This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be |
|
|
437 | removed in future versions), and there is no public API to access override |
|
|
438 | results (if you must, access C<@cf::invoke_results> directly). |
|
|
439 | |
|
|
440 | =back |
|
|
441 | |
|
|
442 | =cut |
|
|
443 | |
|
|
444 | ############################################################################# |
|
|
445 | |
|
|
446 | =head2 METHODS VALID FOR ALL CORE OBJECTS |
|
|
447 | |
|
|
448 | =over 4 |
|
|
449 | |
|
|
450 | =item $object->valid, $player->valid, $map->valid |
|
|
451 | |
|
|
452 | Just because you have a perl object does not mean that the corresponding |
|
|
453 | C-level object still exists. If you try to access an object that has no |
|
|
454 | valid C counterpart anymore you get an exception at runtime. This method |
|
|
455 | can be used to test for existence of the C object part without causing an |
|
|
456 | exception. |
|
|
457 | |
|
|
458 | =back |
|
|
459 | |
|
|
460 | =cut |
|
|
461 | |
|
|
462 | *cf::object::valid = |
|
|
463 | *cf::player::valid = |
|
|
464 | *cf::map::valid = \&cf::_valid; |
|
|
465 | |
|
|
466 | ############################################################################# |
|
|
467 | # object support |
|
|
468 | |
|
|
469 | sub instantiate { |
|
|
470 | my ($obj, $data) = @_; |
|
|
471 | |
|
|
472 | $data = from_json $data; |
|
|
473 | |
|
|
474 | for (@$data) { |
|
|
475 | my ($name, $args) = @$_; |
|
|
476 | |
|
|
477 | $obj->attach ($name, %{$args || {} }); |
|
|
478 | } |
|
|
479 | } |
|
|
480 | |
|
|
481 | # basically do the same as instantiate, without calling instantiate |
|
|
482 | sub reattach { |
|
|
483 | my ($obj) = @_; |
|
|
484 | my $registry = $obj->registry; |
|
|
485 | |
|
|
486 | @$registry = (); |
|
|
487 | |
|
|
488 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
|
|
489 | |
|
|
490 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
|
|
491 | if (my $attach = $attachment{$name}) { |
|
|
492 | for (@$attach) { |
|
|
493 | my ($klass, @attach) = @$_; |
|
|
494 | _attach @$registry, $klass, @attach; |
|
|
495 | } |
|
|
496 | } else { |
|
|
497 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
498 | } |
|
|
499 | } |
|
|
500 | } |
|
|
501 | |
|
|
502 | sub object_freezer_save { |
|
|
503 | my ($filename, $rdata, $objs) = @_; |
|
|
504 | |
|
|
505 | if (length $$rdata) { |
|
|
506 | warn sprintf "saving %s (%d,%d)\n", |
|
|
507 | $filename, length $$rdata, scalar @$objs; |
|
|
508 | |
|
|
509 | if (open my $fh, ">:raw", "$filename~") { |
|
|
510 | chmod SAVE_MODE, $fh; |
|
|
511 | syswrite $fh, $$rdata; |
|
|
512 | close $fh; |
|
|
513 | |
|
|
514 | if (@$objs && open my $fh, ">:raw", "$filename.pst~") { |
|
|
515 | chmod SAVE_MODE, $fh; |
|
|
516 | syswrite $fh, Storable::nfreeze { version => 1, objs => $objs }; |
|
|
517 | close $fh; |
|
|
518 | rename "$filename.pst~", "$filename.pst"; |
|
|
519 | } else { |
|
|
520 | unlink "$filename.pst"; |
|
|
521 | } |
|
|
522 | |
|
|
523 | rename "$filename~", $filename; |
|
|
524 | } else { |
|
|
525 | warn "FATAL: $filename~: $!\n"; |
|
|
526 | } |
|
|
527 | } else { |
|
|
528 | unlink $filename; |
|
|
529 | unlink "$filename.pst"; |
|
|
530 | } |
|
|
531 | } |
|
|
532 | |
|
|
533 | sub object_freezer_as_string { |
|
|
534 | my ($rdata, $objs) = @_; |
|
|
535 | |
|
|
536 | use Data::Dumper; |
|
|
537 | |
|
|
538 | $$rdata . Dumper $objs |
|
|
539 | } |
|
|
540 | |
|
|
541 | sub object_thawer_load { |
|
|
542 | my ($filename) = @_; |
|
|
543 | |
|
|
544 | local $/; |
|
|
545 | |
|
|
546 | my $av; |
|
|
547 | |
|
|
548 | #TODO: use sysread etc. |
|
|
549 | if (open my $data, "<:raw:perlio", $filename) { |
|
|
550 | $data = <$data>; |
|
|
551 | if (open my $pst, "<:raw:perlio", "$filename.pst") { |
|
|
552 | $av = eval { (Storable::thaw <$pst>)->{objs} }; |
|
|
553 | } |
|
|
554 | return ($data, $av); |
|
|
555 | } |
|
|
556 | |
|
|
557 | () |
|
|
558 | } |
|
|
559 | |
|
|
560 | attach_to_objects |
|
|
561 | prio => -1000000, |
|
|
562 | on_clone => sub { |
|
|
563 | my ($src, $dst) = @_; |
|
|
564 | |
|
|
565 | @{$dst->registry} = @{$src->registry}; |
|
|
566 | |
|
|
567 | %$dst = %$src; |
|
|
568 | |
|
|
569 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
|
|
570 | if exists $src->{_attachment}; |
|
|
571 | }, |
|
|
572 | ; |
234 | |
573 | |
235 | ############################################################################# |
574 | ############################################################################# |
236 | # old plug-in events |
575 | # old plug-in events |
237 | |
576 | |
238 | sub inject_event { |
577 | sub inject_event { |
… | |
… | |
284 | } |
623 | } |
285 | |
624 | |
286 | sub register { |
625 | sub register { |
287 | my ($base, $pkg) = @_; |
626 | my ($base, $pkg) = @_; |
288 | |
627 | |
289 | for my $idx (0 .. $#PLUGIN_EVENT) { |
628 | #TODO |
290 | if (my $ref = $pkg->can ("on_$PLUGIN_EVENT[$idx]")) { |
|
|
291 | #warn "registering $PLUGIN_EVENT[$idx] hook to '$pkg'\n"; |
|
|
292 | $hook[$idx]{$base} = $ref; |
|
|
293 | } |
|
|
294 | } |
|
|
295 | } |
629 | } |
296 | |
630 | |
297 | sub load_extension { |
631 | sub load_extension { |
298 | my ($path) = @_; |
632 | my ($path) = @_; |
299 | |
633 | |
… | |
… | |
313 | . "#line 1 \"$path\"\n{\n" |
647 | . "#line 1 \"$path\"\n{\n" |
314 | . (do { local $/; <$fh> }) |
648 | . (do { local $/; <$fh> }) |
315 | . "\n};\n1"; |
649 | . "\n};\n1"; |
316 | |
650 | |
317 | eval $source |
651 | eval $source |
318 | or die "$path: $@"; |
652 | or die $@ ? "$path: $@\n" |
|
|
653 | : "extension disabled.\n"; |
319 | |
654 | |
320 | push @exts, $pkg; |
655 | push @exts, $pkg; |
321 | $ext_pkg{$base} = $pkg; |
656 | $ext_pkg{$base} = $pkg; |
322 | |
657 | |
323 | # no strict 'refs'; |
658 | # no strict 'refs'; |
… | |
… | |
330 | my ($pkg) = @_; |
665 | my ($pkg) = @_; |
331 | |
666 | |
332 | warn "removing extension $pkg\n"; |
667 | warn "removing extension $pkg\n"; |
333 | |
668 | |
334 | # remove hooks |
669 | # remove hooks |
|
|
670 | #TODO |
335 | for my $idx (0 .. $#PLUGIN_EVENT) { |
671 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
336 | delete $hook[$idx]{$pkg}; |
672 | # delete $hook[$idx]{$pkg}; |
337 | } |
673 | # } |
338 | |
674 | |
339 | # remove commands |
675 | # remove commands |
340 | for my $name (keys %command) { |
676 | for my $name (keys %command) { |
341 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
677 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
342 | |
678 | |
… | |
… | |
352 | # remove extcmds |
688 | # remove extcmds |
353 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
689 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
354 | delete $extcmd{$name}; |
690 | delete $extcmd{$name}; |
355 | } |
691 | } |
356 | |
692 | |
357 | if (my $cb = $pkg->can ("on_unload")) { |
693 | if (my $cb = $pkg->can ("unload")) { |
358 | eval { |
694 | eval { |
359 | $cb->($pkg); |
695 | $cb->($pkg); |
360 | 1 |
696 | 1 |
361 | } or warn "$pkg unloaded, but with errors: $@"; |
697 | } or warn "$pkg unloaded, but with errors: $@"; |
362 | } |
698 | } |
… | |
… | |
374 | 1 |
710 | 1 |
375 | } or warn "$ext not loaded: $@"; |
711 | } or warn "$ext not loaded: $@"; |
376 | } |
712 | } |
377 | } |
713 | } |
378 | |
714 | |
379 | sub _perl_reload(&) { |
|
|
380 | my ($msg) = @_; |
|
|
381 | |
|
|
382 | $msg->("reloading..."); |
|
|
383 | |
|
|
384 | eval { |
|
|
385 | # 1. cancel all watchers |
|
|
386 | $_->cancel for Event::all_watchers; |
|
|
387 | |
|
|
388 | # 2. unload all extensions |
|
|
389 | for (@exts) { |
|
|
390 | $msg->("unloading <$_>"); |
|
|
391 | unload_extension $_; |
|
|
392 | } |
|
|
393 | |
|
|
394 | # 3. unload all modules loaded from $LIBDIR |
|
|
395 | while (my ($k, $v) = each %INC) { |
|
|
396 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
397 | |
|
|
398 | $msg->("removing <$k>"); |
|
|
399 | delete $INC{$k}; |
|
|
400 | |
|
|
401 | $k =~ s/\.pm$//; |
|
|
402 | $k =~ s/\//::/g; |
|
|
403 | |
|
|
404 | if (my $cb = $k->can ("unload_module")) { |
|
|
405 | $cb->(); |
|
|
406 | } |
|
|
407 | |
|
|
408 | Symbol::delete_package $k; |
|
|
409 | } |
|
|
410 | |
|
|
411 | # 4. get rid of safe::, as good as possible |
|
|
412 | Symbol::delete_package "safe::$_" |
|
|
413 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
|
|
414 | |
|
|
415 | # 5. remove register_script_function callbacks |
|
|
416 | # TODO |
|
|
417 | |
|
|
418 | # 6. unload cf.pm "a bit" |
|
|
419 | delete $INC{"cf.pm"}; |
|
|
420 | |
|
|
421 | # don't, removes xs symbols, too, |
|
|
422 | # and global variables created in xs |
|
|
423 | #Symbol::delete_package __PACKAGE__; |
|
|
424 | |
|
|
425 | # 7. reload cf.pm |
|
|
426 | $msg->("reloading cf.pm"); |
|
|
427 | require cf; |
|
|
428 | }; |
|
|
429 | $msg->($@) if $@; |
|
|
430 | |
|
|
431 | $msg->("reloaded"); |
|
|
432 | }; |
|
|
433 | |
|
|
434 | sub perl_reload() { |
|
|
435 | _perl_reload { |
|
|
436 | warn $_[0]; |
|
|
437 | print "$_[0]\n"; |
|
|
438 | }; |
|
|
439 | } |
|
|
440 | |
|
|
441 | register_command "perl-reload", 0, sub { |
|
|
442 | my ($who, $arg) = @_; |
|
|
443 | |
|
|
444 | if ($who->flag (FLAG_WIZ)) { |
|
|
445 | _perl_reload { |
|
|
446 | warn $_[0]; |
|
|
447 | $who->message ($_[0]); |
|
|
448 | }; |
|
|
449 | } |
|
|
450 | }; |
|
|
451 | |
|
|
452 | ############################################################################# |
|
|
453 | # utility functions |
|
|
454 | |
|
|
455 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
|
456 | |
|
|
457 | sub from_json($) { |
|
|
458 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
|
|
459 | JSON::Syck::Load $_[0] |
|
|
460 | } |
|
|
461 | |
|
|
462 | sub to_json($) { |
|
|
463 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
|
|
464 | JSON::Syck::Dump $_[0] |
|
|
465 | } |
|
|
466 | |
|
|
467 | ############################################################################# |
715 | ############################################################################# |
468 | # extcmd framework, basically convert ext <msg> |
716 | # extcmd framework, basically convert ext <msg> |
469 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
717 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
470 | |
718 | |
471 | sub on_extcmd { |
719 | attach_to_players |
|
|
720 | on_extcmd => sub { |
472 | my ($pl, $buf) = @_; |
721 | my ($pl, $buf) = @_; |
473 | |
722 | |
474 | my $msg = eval { from_json $buf }; |
723 | my $msg = eval { from_json $buf }; |
475 | |
724 | |
476 | if (ref $msg) { |
725 | if (ref $msg) { |
477 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
726 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
478 | if (my %reply = $cb->[0]->($pl, $msg)) { |
727 | if (my %reply = $cb->[0]->($pl, $msg)) { |
479 | $pl->ext_reply ($msg->{msgid}, %reply); |
728 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
729 | } |
480 | } |
730 | } |
|
|
731 | } else { |
|
|
732 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
481 | } |
733 | } |
482 | } else { |
734 | |
483 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
735 | cf::override; |
484 | } |
736 | }, |
485 | |
737 | ; |
486 | 1 |
|
|
487 | } |
|
|
488 | |
738 | |
489 | ############################################################################# |
739 | ############################################################################# |
490 | # load/save/clean perl data associated with a map |
740 | # load/save/clean perl data associated with a map |
491 | |
741 | |
492 | *cf::mapsupport::on_clean = sub { |
742 | *cf::mapsupport::on_clean = sub { |
493 | my ($map) = @_; |
743 | my ($map) = @_; |
494 | |
744 | |
495 | my $path = $map->tmpname; |
745 | my $path = $map->tmpname; |
496 | defined $path or return; |
746 | defined $path or return; |
497 | |
747 | |
498 | unlink "$path.cfperl"; |
748 | unlink "$path.pst"; |
499 | }; |
|
|
500 | |
|
|
501 | *cf::mapsupport::on_swapin = |
|
|
502 | *cf::mapsupport::on_load = sub { |
|
|
503 | my ($map) = @_; |
|
|
504 | |
|
|
505 | my $path = $map->tmpname; |
|
|
506 | $path = $map->path unless defined $path; |
|
|
507 | |
|
|
508 | open my $fh, "<:raw", "$path.cfperl" |
|
|
509 | or return; # no perl data |
|
|
510 | |
|
|
511 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
|
512 | |
|
|
513 | $data->{version} <= 1 |
|
|
514 | or return; # too new |
|
|
515 | |
|
|
516 | $map->_set_obs ($data->{obs}); |
|
|
517 | }; |
|
|
518 | |
|
|
519 | *cf::mapsupport::on_swapout = sub { |
|
|
520 | my ($map) = @_; |
|
|
521 | |
|
|
522 | my $path = $map->tmpname; |
|
|
523 | $path = $map->path unless defined $path; |
|
|
524 | |
|
|
525 | my $obs = $map->_get_obs; |
|
|
526 | |
|
|
527 | if (defined $obs) { |
|
|
528 | open my $fh, ">:raw", "$path.cfperl" |
|
|
529 | or die "$path.cfperl: $!"; |
|
|
530 | |
|
|
531 | stat $path; |
|
|
532 | |
|
|
533 | print $fh Storable::nfreeze { |
|
|
534 | size => (stat _)[7], |
|
|
535 | time => (stat _)[9], |
|
|
536 | version => 1, |
|
|
537 | obs => $obs, |
|
|
538 | }; |
|
|
539 | |
|
|
540 | chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
|
|
541 | } else { |
|
|
542 | unlink "$path.cfperl"; |
|
|
543 | } |
|
|
544 | }; |
749 | }; |
545 | |
750 | |
546 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
751 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
547 | |
752 | |
548 | ############################################################################# |
753 | ############################################################################# |
… | |
… | |
550 | |
755 | |
551 | sub all_objects(@) { |
756 | sub all_objects(@) { |
552 | @_, map all_objects ($_->inv), @_ |
757 | @_, map all_objects ($_->inv), @_ |
553 | } |
758 | } |
554 | |
759 | |
|
|
760 | # TODO: compatibility cruft, remove when no longer needed |
555 | attach_to_players |
761 | attach_to_players |
556 | on_load => sub { |
762 | on_load => sub { |
557 | my ($pl, $path) = @_; |
763 | my ($pl, $path) = @_; |
558 | |
764 | |
559 | for my $o (all_objects $pl->ob) { |
765 | for my $o (all_objects $pl->ob) { |
… | |
… | |
562 | |
768 | |
563 | %$o = %{ Storable::thaw pack "H*", $value }; |
769 | %$o = %{ Storable::thaw pack "H*", $value }; |
564 | } |
770 | } |
565 | } |
771 | } |
566 | }, |
772 | }, |
567 | on_save => sub { |
|
|
568 | my ($pl, $path) = @_; |
|
|
569 | |
|
|
570 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
|
|
571 | for grep %$_, all_objects $pl->ob; |
|
|
572 | }, |
|
|
573 | ; |
773 | ; |
574 | |
774 | |
575 | ############################################################################# |
775 | ############################################################################# |
576 | # core extensions - in perl |
776 | |
|
|
777 | =head2 CORE EXTENSIONS |
|
|
778 | |
|
|
779 | Functions and methods that extend core crossfire objects. |
|
|
780 | |
|
|
781 | =over 4 |
577 | |
782 | |
578 | =item cf::player::exists $login |
783 | =item cf::player::exists $login |
579 | |
784 | |
580 | Returns true when the given account exists. |
785 | Returns true when the given account exists. |
581 | |
786 | |
… | |
… | |
584 | sub cf::player::exists($) { |
789 | sub cf::player::exists($) { |
585 | cf::player::find $_[0] |
790 | cf::player::find $_[0] |
586 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
791 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
587 | } |
792 | } |
588 | |
793 | |
589 | =item $player->reply ($npc, $msg[, $flags]) |
794 | =item $player_object->reply ($npc, $msg[, $flags]) |
590 | |
795 | |
591 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
796 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
592 | can be C<undef>. Does the right thing when the player is currently in a |
797 | can be C<undef>. Does the right thing when the player is currently in a |
593 | dialogue with the given NPC character. |
798 | dialogue with the given NPC character. |
594 | |
799 | |
… | |
… | |
621 | $msg{msgid} = $id; |
826 | $msg{msgid} = $id; |
622 | |
827 | |
623 | $self->send ("ext " . to_json \%msg); |
828 | $self->send ("ext " . to_json \%msg); |
624 | } |
829 | } |
625 | |
830 | |
|
|
831 | =item $player_object->may ("access") |
|
|
832 | |
|
|
833 | Returns wether the given player is authorized to access resource "access" |
|
|
834 | (e.g. "command_wizcast"). |
|
|
835 | |
|
|
836 | =cut |
|
|
837 | |
|
|
838 | sub cf::object::player::may { |
|
|
839 | my ($self, $access) = @_; |
|
|
840 | |
|
|
841 | $self->flag (cf::FLAG_WIZ) || |
|
|
842 | (ref $cf::CFG{"may_$access"} |
|
|
843 | ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} |
|
|
844 | : $cf::CFG{"may_$access"}) |
|
|
845 | } |
|
|
846 | |
|
|
847 | =cut |
|
|
848 | |
626 | ############################################################################# |
849 | ############################################################################# |
627 | # map scripting support |
|
|
628 | |
850 | |
|
|
851 | =head2 SAFE SCRIPTING |
|
|
852 | |
|
|
853 | Functions that provide a safe environment to compile and execute |
|
|
854 | snippets of perl code without them endangering the safety of the server |
|
|
855 | itself. Looping constructs, I/O operators and other built-in functionality |
|
|
856 | is not available in the safe scripting environment, and the number of |
|
|
857 | functions and methods that can be called is greatly reduced. |
|
|
858 | |
|
|
859 | =cut |
|
|
860 | |
629 | our $safe = new Safe "ext"; |
861 | our $safe = new Safe "safe"; |
630 | our $safe_hole = new Safe::Hole; |
862 | our $safe_hole = new Safe::Hole; |
631 | |
863 | |
632 | $SIG{FPE} = 'IGNORE'; |
864 | $SIG{FPE} = 'IGNORE'; |
633 | |
865 | |
634 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
866 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
635 | |
867 | |
636 | # here we export the classes and methods available to script code |
868 | # here we export the classes and methods available to script code |
|
|
869 | |
|
|
870 | =pod |
|
|
871 | |
|
|
872 | The following fucntions and emthods are available within a safe environment: |
|
|
873 | |
|
|
874 | cf::object contr pay_amount pay_player |
|
|
875 | cf::object::player player |
|
|
876 | cf::player peaceful |
|
|
877 | |
|
|
878 | =cut |
637 | |
879 | |
638 | for ( |
880 | for ( |
639 | ["cf::object" => qw(contr pay_amount pay_player)], |
881 | ["cf::object" => qw(contr pay_amount pay_player)], |
640 | ["cf::object::player" => qw(player)], |
882 | ["cf::object::player" => qw(player)], |
641 | ["cf::player" => qw(peaceful)], |
883 | ["cf::player" => qw(peaceful)], |
… | |
… | |
644 | my ($pkg, @funs) = @$_; |
886 | my ($pkg, @funs) = @$_; |
645 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
887 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
646 | for @funs; |
888 | for @funs; |
647 | } |
889 | } |
648 | |
890 | |
|
|
891 | =over 4 |
|
|
892 | |
|
|
893 | =item @retval = safe_eval $code, [var => value, ...] |
|
|
894 | |
|
|
895 | Compiled and executes the given perl code snippet. additional var/value |
|
|
896 | pairs result in temporary local (my) scalar variables of the given name |
|
|
897 | that are available in the code snippet. Example: |
|
|
898 | |
|
|
899 | my $five = safe_eval '$first + $second', first => 1, second => 4; |
|
|
900 | |
|
|
901 | =cut |
|
|
902 | |
649 | sub safe_eval($;@) { |
903 | sub safe_eval($;@) { |
650 | my ($code, %vars) = @_; |
904 | my ($code, %vars) = @_; |
651 | |
905 | |
652 | my $qcode = $code; |
906 | my $qcode = $code; |
653 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
907 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
654 | $qcode =~ s/\n/\\n/g; |
908 | $qcode =~ s/\n/\\n/g; |
655 | |
909 | |
656 | local $_; |
910 | local $_; |
657 | local @safe::cf::_safe_eval_args = values %vars; |
911 | local @safe::cf::_safe_eval_args = values %vars; |
658 | |
912 | |
659 | $code = |
913 | my $eval = |
660 | "do {\n" |
914 | "do {\n" |
661 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
915 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
662 | . "#line 0 \"{$qcode}\"\n" |
916 | . "#line 0 \"{$qcode}\"\n" |
663 | . $code |
917 | . $code |
664 | . "\n}" |
918 | . "\n}" |
665 | ; |
919 | ; |
666 | |
920 | |
667 | sub_generation_inc; |
921 | sub_generation_inc; |
668 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
922 | my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); |
669 | sub_generation_inc; |
923 | sub_generation_inc; |
670 | |
924 | |
|
|
925 | if ($@) { |
|
|
926 | warn "$@"; |
|
|
927 | warn "while executing safe code '$code'\n"; |
|
|
928 | warn "with arguments " . (join " ", %vars) . "\n"; |
|
|
929 | } |
|
|
930 | |
671 | wantarray ? @res : $res[0] |
931 | wantarray ? @res : $res[0] |
672 | } |
932 | } |
|
|
933 | |
|
|
934 | =item cf::register_script_function $function => $cb |
|
|
935 | |
|
|
936 | Register a function that can be called from within map/npc scripts. The |
|
|
937 | function should be reasonably secure and should be put into a package name |
|
|
938 | like the extension. |
|
|
939 | |
|
|
940 | Example: register a function that gets called whenever a map script calls |
|
|
941 | C<rent::overview>, as used by the C<rent> extension. |
|
|
942 | |
|
|
943 | cf::register_script_function "rent::overview" => sub { |
|
|
944 | ... |
|
|
945 | }; |
|
|
946 | |
|
|
947 | =cut |
673 | |
948 | |
674 | sub register_script_function { |
949 | sub register_script_function { |
675 | my ($fun, $cb) = @_; |
950 | my ($fun, $cb) = @_; |
676 | |
951 | |
677 | no strict 'refs'; |
952 | no strict 'refs'; |
678 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
953 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
679 | } |
954 | } |
680 | |
955 | |
|
|
956 | =back |
|
|
957 | |
|
|
958 | =cut |
|
|
959 | |
|
|
960 | ############################################################################# |
|
|
961 | |
|
|
962 | =head2 EXTENSION DATABASE SUPPORT |
|
|
963 | |
|
|
964 | Crossfire maintains a very simple database for extension use. It can |
|
|
965 | currently store anything that can be serialised using Storable, which |
|
|
966 | excludes objects. |
|
|
967 | |
|
|
968 | The parameter C<$family> should best start with the name of the extension |
|
|
969 | using it, it should be unique. |
|
|
970 | |
|
|
971 | =over 4 |
|
|
972 | |
|
|
973 | =item $hashref = cf::db_get $family |
|
|
974 | |
|
|
975 | Return a hashref for use by the extension C<$family>, which can be |
|
|
976 | modified. After modifications, you have to call C<cf::db_dirty> or |
|
|
977 | C<cf::db_sync>. |
|
|
978 | |
|
|
979 | =item $value = cf::db_get $family => $key |
|
|
980 | |
|
|
981 | Returns a single value from the database |
|
|
982 | |
|
|
983 | =item cf::db_put $family => $hashref |
|
|
984 | |
|
|
985 | Stores the given family hashref into the database. Updates are delayed, if |
|
|
986 | you want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
987 | |
|
|
988 | =item cf::db_put $family => $key => $value |
|
|
989 | |
|
|
990 | Stores the given C<$value> in the family hash. Updates are delayed, if you |
|
|
991 | want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
992 | |
|
|
993 | =item cf::db_dirty |
|
|
994 | |
|
|
995 | Marks the database as dirty, to be updated at a later time. |
|
|
996 | |
|
|
997 | =item cf::db_sync |
|
|
998 | |
|
|
999 | Immediately write the database to disk I<if it is dirty>. |
|
|
1000 | |
|
|
1001 | =cut |
|
|
1002 | |
|
|
1003 | our $DB; |
|
|
1004 | |
|
|
1005 | { |
|
|
1006 | my $path = cf::localdir . "/database.pst"; |
|
|
1007 | |
|
|
1008 | sub db_load() { |
|
|
1009 | warn "loading database $path\n";#d# remove later |
|
|
1010 | $DB = stat $path ? Storable::retrieve $path : { }; |
|
|
1011 | } |
|
|
1012 | |
|
|
1013 | my $pid; |
|
|
1014 | |
|
|
1015 | sub db_save() { |
|
|
1016 | warn "saving database $path\n";#d# remove later |
|
|
1017 | waitpid $pid, 0 if $pid; |
|
|
1018 | if (0 == ($pid = fork)) { |
|
|
1019 | $DB->{_meta}{version} = 1; |
|
|
1020 | Storable::nstore $DB, "$path~"; |
|
|
1021 | rename "$path~", $path; |
|
|
1022 | cf::_exit 0 if defined $pid; |
|
|
1023 | } |
|
|
1024 | } |
|
|
1025 | |
|
|
1026 | my $dirty; |
|
|
1027 | |
|
|
1028 | sub db_sync() { |
|
|
1029 | db_save if $dirty; |
|
|
1030 | undef $dirty; |
|
|
1031 | } |
|
|
1032 | |
|
|
1033 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub { |
|
|
1034 | db_sync; |
|
|
1035 | }); |
|
|
1036 | |
|
|
1037 | sub db_dirty() { |
|
|
1038 | $dirty = 1; |
|
|
1039 | $idle->start; |
|
|
1040 | } |
|
|
1041 | |
|
|
1042 | sub db_get($;$) { |
|
|
1043 | @_ >= 2 |
|
|
1044 | ? $DB->{$_[0]}{$_[1]} |
|
|
1045 | : ($DB->{$_[0]} ||= { }) |
|
|
1046 | } |
|
|
1047 | |
|
|
1048 | sub db_put($$;$) { |
|
|
1049 | if (@_ >= 3) { |
|
|
1050 | $DB->{$_[0]}{$_[1]} = $_[2]; |
|
|
1051 | } else { |
|
|
1052 | $DB->{$_[0]} = $_[1]; |
|
|
1053 | } |
|
|
1054 | db_dirty; |
|
|
1055 | } |
|
|
1056 | |
|
|
1057 | attach_global |
|
|
1058 | prio => 10000, |
|
|
1059 | on_cleanup => sub { |
|
|
1060 | db_sync; |
|
|
1061 | }, |
|
|
1062 | ; |
|
|
1063 | } |
|
|
1064 | |
681 | ############################################################################# |
1065 | ############################################################################# |
682 | # the server's main() |
1066 | # the server's main() |
683 | |
1067 | |
|
|
1068 | sub cfg_load { |
|
|
1069 | open my $fh, "<:utf8", cf::confdir . "/config" |
|
|
1070 | or return; |
|
|
1071 | |
|
|
1072 | local $/; |
|
|
1073 | *CFG = YAML::Syck::Load <$fh>; |
|
|
1074 | } |
|
|
1075 | |
684 | sub main { |
1076 | sub main { |
|
|
1077 | cfg_load; |
|
|
1078 | db_load; |
|
|
1079 | load_extensions; |
685 | Event::loop; |
1080 | Event::loop; |
686 | } |
1081 | } |
687 | |
1082 | |
688 | ############################################################################# |
1083 | ############################################################################# |
689 | # initialisation |
1084 | # initialisation |
690 | |
1085 | |
|
|
1086 | sub _perl_reload(&) { |
|
|
1087 | my ($msg) = @_; |
|
|
1088 | |
|
|
1089 | $msg->("reloading..."); |
|
|
1090 | |
|
|
1091 | eval { |
|
|
1092 | # cancel all watchers |
|
|
1093 | $_->cancel for Event::all_watchers; |
|
|
1094 | |
|
|
1095 | # unload all extensions |
|
|
1096 | for (@exts) { |
|
|
1097 | $msg->("unloading <$_>"); |
|
|
1098 | unload_extension $_; |
|
|
1099 | } |
|
|
1100 | |
|
|
1101 | # unload all modules loaded from $LIBDIR |
|
|
1102 | while (my ($k, $v) = each %INC) { |
|
|
1103 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
1104 | |
|
|
1105 | $msg->("removing <$k>"); |
|
|
1106 | delete $INC{$k}; |
|
|
1107 | |
|
|
1108 | $k =~ s/\.pm$//; |
|
|
1109 | $k =~ s/\//::/g; |
|
|
1110 | |
|
|
1111 | if (my $cb = $k->can ("unload_module")) { |
|
|
1112 | $cb->(); |
|
|
1113 | } |
|
|
1114 | |
|
|
1115 | Symbol::delete_package $k; |
|
|
1116 | } |
|
|
1117 | |
|
|
1118 | # sync database to disk |
|
|
1119 | cf::db_sync; |
|
|
1120 | |
|
|
1121 | # get rid of safe::, as good as possible |
|
|
1122 | Symbol::delete_package "safe::$_" |
|
|
1123 | for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region); |
|
|
1124 | |
|
|
1125 | # remove register_script_function callbacks |
|
|
1126 | # TODO |
|
|
1127 | |
|
|
1128 | # unload cf.pm "a bit" |
|
|
1129 | delete $INC{"cf.pm"}; |
|
|
1130 | |
|
|
1131 | # don't, removes xs symbols, too, |
|
|
1132 | # and global variables created in xs |
|
|
1133 | #Symbol::delete_package __PACKAGE__; |
|
|
1134 | |
|
|
1135 | # reload cf.pm |
|
|
1136 | $msg->("reloading cf.pm"); |
|
|
1137 | require cf; |
|
|
1138 | |
|
|
1139 | # load config and database again |
|
|
1140 | cf::cfg_load; |
|
|
1141 | cf::db_load; |
|
|
1142 | |
|
|
1143 | # load extensions |
|
|
1144 | $msg->("load extensions"); |
|
|
1145 | cf::load_extensions; |
|
|
1146 | |
|
|
1147 | # reattach attachments to objects |
|
|
1148 | $msg->("reattach"); |
|
|
1149 | _global_reattach; |
|
|
1150 | }; |
|
|
1151 | $msg->($@) if $@; |
|
|
1152 | |
|
|
1153 | $msg->("reloaded"); |
|
|
1154 | }; |
|
|
1155 | |
|
|
1156 | sub perl_reload() { |
|
|
1157 | _perl_reload { |
|
|
1158 | warn $_[0]; |
|
|
1159 | print "$_[0]\n"; |
|
|
1160 | }; |
|
|
1161 | } |
|
|
1162 | |
|
|
1163 | register_command "perl-reload", 0, sub { |
|
|
1164 | my ($who, $arg) = @_; |
|
|
1165 | |
|
|
1166 | if ($who->flag (FLAG_WIZ)) { |
|
|
1167 | _perl_reload { |
|
|
1168 | warn $_[0]; |
|
|
1169 | $who->message ($_[0]); |
|
|
1170 | }; |
|
|
1171 | } |
|
|
1172 | }; |
|
|
1173 | |
691 | register "<global>", __PACKAGE__; |
1174 | register "<global>", __PACKAGE__; |
692 | |
1175 | |
693 | unshift @INC, $LIBDIR; |
1176 | unshift @INC, $LIBDIR; |
694 | |
1177 | |
695 | load_extensions; |
|
|
696 | |
|
|
697 | $TICK_WATCHER = Event->timer ( |
1178 | $TICK_WATCHER = Event->timer ( |
698 | prio => 1, |
1179 | prio => 1, |
|
|
1180 | async => 1, |
699 | at => $NEXT_TICK || 1, |
1181 | at => $NEXT_TICK || 1, |
700 | cb => sub { |
1182 | cb => sub { |
701 | cf::server_tick; # one server iteration |
1183 | cf::server_tick; # one server iteration |
702 | |
1184 | |
703 | my $NOW = Event::time; |
1185 | my $NOW = Event::time; |
704 | $NEXT_TICK += $TICK; |
1186 | $NEXT_TICK += $TICK; |
705 | |
1187 | |
706 | # if we are delayed by four ticks, skip them all |
1188 | # if we are delayed by four ticks or more, skip them all |
707 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
1189 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
708 | |
1190 | |
709 | $TICK_WATCHER->at ($NEXT_TICK); |
1191 | $TICK_WATCHER->at ($NEXT_TICK); |
710 | $TICK_WATCHER->start; |
1192 | $TICK_WATCHER->start; |
711 | }, |
1193 | }, |
712 | ); |
1194 | ); |
713 | |
1195 | |
|
|
1196 | IO::AIO::max_poll_time $TICK * 0.2; |
|
|
1197 | |
|
|
1198 | Event->io (fd => IO::AIO::poll_fileno, |
|
|
1199 | poll => 'r', |
|
|
1200 | prio => 5, |
|
|
1201 | cb => \&IO::AIO::poll_cb); |
|
|
1202 | |
714 | 1 |
1203 | 1 |
715 | |
1204 | |