… | |
… | |
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 Time::HiRes; |
10 | use Event; |
11 | use Event; |
11 | $Event::Eval = 1; # no idea why this is required, but it is |
12 | $Event::Eval = 1; # no idea why this is required, but it is |
12 | |
13 | |
13 | use strict; |
14 | use strict; |
14 | |
15 | |
|
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16 | _init_vars; |
|
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17 | |
15 | our %COMMAND; |
18 | our %COMMAND = (); |
16 | our @EVENT; |
19 | our @EVENT; |
17 | our %PROP_TYPE; |
|
|
18 | our %PROP_IDX; |
|
|
19 | our $LIBDIR = maps_directory "perl"; |
20 | our $LIBDIR = maps_directory "perl"; |
20 | |
21 | |
|
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22 | our $TICK = MAX_TIME * 1e-6; |
|
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23 | our $TICK_WATCHER; |
|
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24 | our $NEXT_TICK; |
|
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25 | |
21 | BEGIN { |
26 | BEGIN { |
22 | @EVENT = map lc, @EVENT; |
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23 | |
|
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24 | *CORE::GLOBAL::warn = sub { |
27 | *CORE::GLOBAL::warn = sub { |
25 | my $msg = join "", @_; |
28 | my $msg = join "", @_; |
26 | $msg .= "\n" |
29 | $msg .= "\n" |
27 | unless $msg =~ /\n$/; |
30 | unless $msg =~ /\n$/; |
28 | |
31 | |
29 | print STDERR "cfperl: $msg"; |
32 | print STDERR "cfperl: $msg"; |
30 | LOG llevError, "cfperl: $msg"; |
33 | LOG llevError, "cfperl: $msg"; |
31 | }; |
34 | }; |
32 | } |
35 | } |
33 | |
36 | |
34 | my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
37 | @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
35 | |
38 | |
36 | # generate property mutators |
39 | # we bless all objects into (empty) derived classes to force a method lookup |
37 | sub prop_gen { |
40 | # within the Safe compartment. |
38 | my ($prefix, $class) = @_; |
41 | for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) { |
39 | |
|
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40 | no strict 'refs'; |
42 | no strict 'refs'; |
41 | |
|
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42 | for my $prop (keys %PROP_TYPE) { |
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43 | $prop =~ /^\Q$prefix\E_(.*$)/ or next; |
|
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44 | my $sub = lc $1; |
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45 | |
|
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46 | my $type = $PROP_TYPE{$prop}; |
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47 | my $idx = $PROP_IDX {$prop}; |
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48 | |
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49 | *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
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50 | $_[0]->get_property ($type, $idx) |
|
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51 | }; |
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52 | |
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53 | *{"$class\::set_$sub"} = sub { |
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54 | $_[0]->set_property ($type, $idx, $_[1]); |
|
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55 | } unless $ignore_set{$prop}; |
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56 | } |
|
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57 | } |
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58 | |
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59 | # auto-generate most of the API |
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60 | |
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61 | prop_gen OBJECT_PROP => "cf::object"; |
|
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62 | # CFAPI_OBJECT_ANIMATION? |
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63 | prop_gen PLAYER_PROP => "cf::object::player"; |
|
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64 | |
|
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65 | prop_gen MAP_PROP => "cf::map"; |
|
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66 | prop_gen ARCH_PROP => "cf::arch"; |
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67 | |
|
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68 | # guessed hierarchies |
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69 | |
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70 | @ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
|
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71 | @ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
|
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72 | |
|
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73 | # we bless all objects into derived classes to force a method lookup |
|
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74 | # within the Safe compartment. |
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75 | for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region)) { |
|
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76 | no strict 'refs'; |
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77 | @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
43 | @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
78 | } |
44 | } |
79 | |
45 | |
80 | $Event::DIED = sub { |
46 | $Event::DIED = sub { |
81 | warn "error in event callback: @_"; |
47 | warn "error in event callback: @_"; |
82 | }; |
48 | }; |
… | |
… | |
85 | my @exts; |
51 | my @exts; |
86 | my @hook; |
52 | my @hook; |
87 | my %command; |
53 | my %command; |
88 | my %extcmd; |
54 | my %extcmd; |
89 | |
55 | |
|
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56 | ############################################################################# |
|
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57 | # utility functions |
|
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58 | |
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59 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
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60 | |
|
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61 | sub from_json($) { |
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62 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
|
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63 | JSON::Syck::Load $_[0] |
|
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64 | } |
|
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65 | |
|
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66 | sub to_json($) { |
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67 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
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68 | JSON::Syck::Dump $_[0] |
|
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69 | } |
|
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70 | |
|
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71 | ############################################################################# |
|
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72 | # "new" plug-in system |
|
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73 | |
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74 | =head3 EVENTS AND OBJECT ATTACHMENTS |
|
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75 | |
|
|
76 | =over 4 |
|
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77 | |
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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...) |
|
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91 | |
|
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92 | =item $map->detach ($attachment) |
|
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93 | |
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94 | Attach/detach a pre-registered attachment to a map. |
|
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95 | |
|
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96 | =item $bool = $object->attached ($name) |
|
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97 | |
|
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98 | =item $bool = $player->attached ($name) |
|
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99 | |
|
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100 | =item $bool = $map->attached ($name) |
|
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101 | |
|
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102 | Checks wether the named attachment is currently attached to the object. |
|
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103 | |
|
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104 | =item cf::attach_global ... |
|
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105 | |
|
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106 | Attach handlers for global events. |
|
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107 | |
|
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108 | This and all following C<attach_*>-functions expect any number of the |
|
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109 | following handler/hook descriptions: |
|
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110 | |
|
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111 | =over 4 |
|
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112 | |
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113 | =item prio => $number |
|
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114 | |
|
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115 | Set the priority for all following handlers/hooks (unless overwritten |
|
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116 | by another C<prio> setting). Lower priority handlers get executed |
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117 | earlier. The default priority is C<0>, and many built-in handlers are |
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118 | registered at priority C<-1000>, so lower priorities should not be used |
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119 | unless you know what you are doing. |
|
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120 | |
|
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121 | =item on_I<event> => \&cb |
|
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122 | |
|
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123 | Call the given code reference whenever the named event happens (event is |
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124 | something like C<instantiate>, C<apply>, C<use_skill> and so on, and which |
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125 | handlers are recognised generally depends on the type of object these |
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126 | handlers attach to). |
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127 | |
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128 | See F<include/eventinc.h> for the full list of events supported, and their |
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129 | class. |
|
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130 | |
|
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131 | =item package => package:: |
|
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132 | |
|
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133 | Look for sub functions of the name C<< on_I<event> >> in the given |
|
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134 | package and register them. Only handlers for eevents supported by the |
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135 | object/class are recognised. |
|
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136 | |
|
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137 | =back |
|
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138 | |
|
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139 | =item cf::attach_to_type $object_type, $subtype, ... |
|
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140 | |
|
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141 | Attach handlers for a specific object type (e.g. TRANSPORT) and |
|
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142 | subtype. If C<$subtype> is zero or undef, matches all objects of the given |
|
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143 | type. |
|
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144 | |
|
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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 | |
|
|
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 $name, ... |
|
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170 | |
|
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171 | Register an attachment by name through which maps can refer to this |
|
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172 | attachment. |
|
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173 | |
|
|
174 | =cut |
|
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175 | |
|
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176 | # the following variables are defined in .xs and must not be re-created |
|
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177 | our @CB_GLOBAL = (); # registry for all global events |
|
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178 | our @CB_OBJECT = (); # all objects (should not be used except in emergency) |
|
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179 | our @CB_PLAYER = (); |
|
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180 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
|
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181 | our @CB_MAP = (); |
|
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182 | |
|
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183 | my %attachment; |
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184 | |
|
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185 | sub _attach_cb($\%$$$) { |
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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 |
|
|
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 | |
|
|
214 | while (@arg) { |
|
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215 | my $type = shift @arg; |
|
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216 | |
|
|
217 | if ($type eq "prio") { |
|
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218 | $prio = shift @arg; |
|
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219 | |
|
|
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 | } |
|
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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 | |
|
|
232 | } elsif (ref $type) { |
|
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233 | warn "attaching objects not supported, ignoring.\n"; |
|
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234 | |
|
|
235 | } else { |
|
|
236 | shift @arg; |
|
|
237 | warn "attach argument '$type' not supported, ignoring.\n"; |
|
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238 | } |
|
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239 | } |
|
|
240 | |
|
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241 | \%undo |
|
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242 | } |
|
|
243 | |
|
|
244 | sub _attach_attachment { |
|
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245 | my ($obj, $name, %arg) = @_; |
|
|
246 | |
|
|
247 | return if exists $obj->{_attachment}{$name}; |
|
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248 | |
|
|
249 | my $res; |
|
|
250 | |
|
|
251 | if (my $attach = $attachment{$name}) { |
|
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252 | my $registry = $obj->registry; |
|
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253 | |
|
|
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 | |
|
|
259 | $obj->{$name} = \%arg; |
|
|
260 | } else { |
|
|
261 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
262 | } |
|
|
263 | |
|
|
264 | $obj->{_attachment}{$name} = undef; |
|
|
265 | |
|
|
266 | $res->{attachment} = $name; |
|
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267 | $res |
|
|
268 | } |
|
|
269 | |
|
|
270 | *cf::object::attach = |
|
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271 | *cf::player::attach = |
|
|
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 | }; |
|
|
277 | |
|
|
278 | # all those should be optimised |
|
|
279 | *cf::object::detach = |
|
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280 | *cf::player::detach = |
|
|
281 | *cf::map::detach = sub { |
|
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282 | my ($obj, $name) = @_; |
|
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283 | |
|
|
284 | delete $obj->{_attachment}{$name}; |
|
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285 | reattach ($obj); |
|
|
286 | }; |
|
|
287 | |
|
|
288 | *cf::object::attached = |
|
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289 | *cf::player::attached = |
|
|
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} |
|
|
294 | }; |
|
|
295 | |
|
|
296 | sub attach_global { |
|
|
297 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
|
|
298 | } |
|
|
299 | |
|
|
300 | sub attach_to_type { |
|
|
301 | my $type = shift; |
|
|
302 | my $subtype = shift; |
|
|
303 | |
|
|
304 | _attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_ |
|
|
305 | } |
|
|
306 | |
|
|
307 | sub attach_to_objects { |
|
|
308 | _attach @CB_OBJECT, KLASS_OBJECT, @_ |
|
|
309 | } |
|
|
310 | |
|
|
311 | sub attach_to_players { |
|
|
312 | _attach @CB_PLAYER, KLASS_PLAYER, @_ |
|
|
313 | } |
|
|
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 |
|
|
366 | } |
|
|
367 | |
|
|
368 | =item $bool = cf::invoke EVENT_GLOBAL_XXX, ... |
|
|
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 | |
|
|
394 | 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 |
|
|
396 | 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 |
|
|
398 | exception. |
|
|
399 | |
|
|
400 | =back |
|
|
401 | |
|
|
402 | =cut |
|
|
403 | |
|
|
404 | *cf::object::valid = |
|
|
405 | *cf::player::valid = |
|
|
406 | *cf::map::valid = \&cf::_valid; |
|
|
407 | |
|
|
408 | ############################################################################# |
|
|
409 | # object support |
|
|
410 | |
|
|
411 | sub instantiate { |
|
|
412 | my ($obj, $data) = @_; |
|
|
413 | |
|
|
414 | $data = from_json $data; |
|
|
415 | |
|
|
416 | for (@$data) { |
|
|
417 | my ($name, $args) = @$_; |
|
|
418 | |
|
|
419 | $obj->attach ($name, %{$args || {} }); |
|
|
420 | } |
|
|
421 | } |
|
|
422 | |
|
|
423 | # basically do the same as instantiate, without calling instantiate |
|
|
424 | sub reattach { |
|
|
425 | my ($obj) = @_; |
|
|
426 | my $registry = $obj->registry; |
|
|
427 | |
|
|
428 | @$registry = (); |
|
|
429 | |
|
|
430 | delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} }; |
|
|
431 | |
|
|
432 | for my $name (keys %{ $obj->{_attachment} || {} }) { |
|
|
433 | if (my $attach = $attachment{$name}) { |
|
|
434 | for (@$attach) { |
|
|
435 | my ($klass, @attach) = @$_; |
|
|
436 | _attach @$registry, $klass, @attach; |
|
|
437 | } |
|
|
438 | } else { |
|
|
439 | warn "object uses attachment '$name' that is not available, postponing.\n"; |
|
|
440 | } |
|
|
441 | } |
|
|
442 | } |
|
|
443 | |
|
|
444 | sub object_freezer_save { |
|
|
445 | my ($filename, $rdata, $objs) = @_; |
|
|
446 | |
|
|
447 | if (length $$rdata) { |
|
|
448 | warn sprintf "saving %s (%d,%d)\n", |
|
|
449 | $filename, length $$rdata, scalar @$objs; |
|
|
450 | |
|
|
451 | if (open my $fh, ">:raw", "$filename~") { |
|
|
452 | chmod SAVE_MODE, $fh; |
|
|
453 | syswrite $fh, $$rdata; |
|
|
454 | close $fh; |
|
|
455 | |
|
|
456 | if (@$objs && open my $fh, ">:raw", "$filename.pst~") { |
|
|
457 | chmod SAVE_MODE, $fh; |
|
|
458 | syswrite $fh, Storable::nfreeze { version => 1, objs => $objs }; |
|
|
459 | close $fh; |
|
|
460 | rename "$filename.pst~", "$filename.pst"; |
|
|
461 | } else { |
|
|
462 | unlink "$filename.pst"; |
|
|
463 | } |
|
|
464 | |
|
|
465 | rename "$filename~", $filename; |
|
|
466 | } else { |
|
|
467 | warn "FATAL: $filename~: $!\n"; |
|
|
468 | } |
|
|
469 | } else { |
|
|
470 | unlink $filename; |
|
|
471 | unlink "$filename.pst"; |
|
|
472 | } |
|
|
473 | } |
|
|
474 | |
|
|
475 | sub object_thawer_load { |
|
|
476 | my ($filename) = @_; |
|
|
477 | |
|
|
478 | local $/; |
|
|
479 | |
|
|
480 | my $av; |
|
|
481 | |
|
|
482 | #TODO: use sysread etc. |
|
|
483 | if (open my $data, "<:raw:perlio", $filename) { |
|
|
484 | $data = <$data>; |
|
|
485 | if (open my $pst, "<:raw:perlio", "$filename.pst") { |
|
|
486 | $av = eval { (Storable::thaw <$pst>)->{objs} }; |
|
|
487 | } |
|
|
488 | return ($data, $av); |
|
|
489 | } |
|
|
490 | |
|
|
491 | () |
|
|
492 | } |
|
|
493 | |
|
|
494 | attach_to_objects |
|
|
495 | prio => -1000000, |
|
|
496 | on_clone => sub { |
|
|
497 | my ($src, $dst) = @_; |
|
|
498 | |
|
|
499 | @{$dst->registry} = @{$src->registry}; |
|
|
500 | |
|
|
501 | %$dst = %$src; |
|
|
502 | |
|
|
503 | %{$dst->{_attachment}} = %{$src->{_attachment}} |
|
|
504 | if exists $src->{_attachment}; |
|
|
505 | }, |
|
|
506 | ; |
|
|
507 | |
|
|
508 | ############################################################################# |
|
|
509 | # old plug-in events |
|
|
510 | |
90 | sub inject_event { |
511 | sub inject_event { |
91 | my $extension = shift; |
512 | my $extension = shift; |
92 | my $event_code = shift; |
513 | my $event_code = shift; |
93 | |
514 | |
94 | my $cb = $hook[$event_code]{$extension} |
515 | my $cb = $hook[$event_code]{$extension} |
… | |
… | |
136 | } |
557 | } |
137 | |
558 | |
138 | sub register { |
559 | sub register { |
139 | my ($base, $pkg) = @_; |
560 | my ($base, $pkg) = @_; |
140 | |
561 | |
141 | for my $idx (0 .. $#EVENT) { |
562 | #TODO |
142 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
|
|
143 | #warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
|
|
144 | $hook[$idx]{$base} = $ref; |
|
|
145 | } |
|
|
146 | } |
|
|
147 | } |
563 | } |
148 | |
564 | |
149 | sub load_extension { |
565 | sub load_extension { |
150 | my ($path) = @_; |
566 | my ($path) = @_; |
151 | |
567 | |
152 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
568 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
153 | my $base = $1; |
569 | my $base = $1; |
154 | my $pkg = $1; |
570 | my $pkg = $1; |
155 | $pkg =~ s/[^[:word:]]/_/g; |
571 | $pkg =~ s/[^[:word:]]/_/g; |
156 | $pkg = "cf::ext::$pkg"; |
572 | $pkg = "ext::$pkg"; |
157 | |
573 | |
158 | warn "loading '$path' into '$pkg'\n"; |
574 | warn "loading '$path' into '$pkg'\n"; |
159 | |
575 | |
160 | open my $fh, "<:utf8", $path |
576 | open my $fh, "<:utf8", $path |
161 | or die "$path: $!"; |
577 | or die "$path: $!"; |
… | |
… | |
181 | sub unload_extension { |
597 | sub unload_extension { |
182 | my ($pkg) = @_; |
598 | my ($pkg) = @_; |
183 | |
599 | |
184 | warn "removing extension $pkg\n"; |
600 | warn "removing extension $pkg\n"; |
185 | |
601 | |
186 | if (my $cb = $pkg->can ("on_unload")) { |
|
|
187 | $cb->($pkg); |
|
|
188 | } |
|
|
189 | |
|
|
190 | # remove hooks |
602 | # remove hooks |
|
|
603 | #TODO |
191 | for my $idx (0 .. $#EVENT) { |
604 | # for my $idx (0 .. $#PLUGIN_EVENT) { |
192 | delete $hook[$idx]{$pkg}; |
605 | # delete $hook[$idx]{$pkg}; |
193 | } |
606 | # } |
194 | |
607 | |
195 | # remove commands |
608 | # remove commands |
196 | for my $name (keys %command) { |
609 | for my $name (keys %command) { |
197 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
610 | my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
198 | |
611 | |
… | |
… | |
208 | # remove extcmds |
621 | # remove extcmds |
209 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
622 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
210 | delete $extcmd{$name}; |
623 | delete $extcmd{$name}; |
211 | } |
624 | } |
212 | |
625 | |
|
|
626 | if (my $cb = $pkg->can ("unload")) { |
|
|
627 | eval { |
|
|
628 | $cb->($pkg); |
|
|
629 | 1 |
|
|
630 | } or warn "$pkg unloaded, but with errors: $@"; |
|
|
631 | } |
|
|
632 | |
213 | Symbol::delete_package $pkg; |
633 | Symbol::delete_package $pkg; |
214 | } |
634 | } |
215 | |
635 | |
216 | sub load_extensions { |
636 | sub load_extensions { |
217 | my $LIBDIR = maps_directory "perl"; |
637 | my $LIBDIR = maps_directory "perl"; |
… | |
… | |
223 | 1 |
643 | 1 |
224 | } or warn "$ext not loaded: $@"; |
644 | } or warn "$ext not loaded: $@"; |
225 | } |
645 | } |
226 | } |
646 | } |
227 | |
647 | |
|
|
648 | sub _perl_reload(&) { |
|
|
649 | my ($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 | |
228 | register_command "perl-reload", 0, sub { |
716 | register_command "perl-reload", 0, sub { |
229 | my ($who, $arg) = @_; |
717 | my ($who, $arg) = @_; |
230 | |
718 | |
231 | if ($who->flag (FLAG_WIZ)) { |
719 | if ($who->flag (FLAG_WIZ)) { |
232 | $who->message ("reloading..."); |
720 | _perl_reload { |
233 | |
721 | warn $_[0]; |
234 | warn "reloading...\n"; |
722 | $who->message ($_[0]); |
235 | eval { |
|
|
236 | # 1. cancel all watchers |
|
|
237 | $_->cancel for Event::all_watchers; |
|
|
238 | |
|
|
239 | # 2. unload all extensions |
|
|
240 | for (@exts) { |
|
|
241 | $who->message ("unloading <$_>"); |
|
|
242 | unload_extension $_; |
|
|
243 | } |
|
|
244 | |
|
|
245 | # 3. unload all modules loaded from $LIBDIR |
|
|
246 | while (my ($k, $v) = each %INC) { |
|
|
247 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
248 | |
|
|
249 | $who->message ("removing <$k>"); |
|
|
250 | delete $INC{$k}; |
|
|
251 | |
|
|
252 | $k =~ s/\.pm$//; |
|
|
253 | $k =~ s/\//::/g; |
|
|
254 | |
|
|
255 | if (my $cb = $k->can ("unload_module")) { |
|
|
256 | $cb->(); |
|
|
257 | } |
|
|
258 | |
|
|
259 | Symbol::delete_package $k; |
|
|
260 | } |
|
|
261 | |
|
|
262 | # 4. get rid of ext::, as good as possible |
|
|
263 | Symbol::delete_package "ext::$_" |
|
|
264 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
|
|
265 | |
|
|
266 | # 5. remove register_script_function callbacks |
|
|
267 | # TODO |
|
|
268 | |
|
|
269 | # 6. unload cf.pm "a bit" |
|
|
270 | delete $INC{"cf.pm"}; |
|
|
271 | |
|
|
272 | # don't, removes xs symbols, too |
|
|
273 | #Symbol::delete_package __PACKAGE__; |
|
|
274 | |
|
|
275 | # 7. reload cf.pm |
|
|
276 | $who->message ("reloading cf.pm"); |
|
|
277 | require cf; |
|
|
278 | }; |
723 | }; |
279 | warn $@ if $@; |
|
|
280 | $who->message ($@) if $@; |
|
|
281 | warn "reloaded\n"; |
|
|
282 | |
|
|
283 | $who->message ("reloaded"); |
|
|
284 | } else { |
|
|
285 | $who->message ("Intruder Alert!"); |
|
|
286 | } |
724 | } |
287 | }; |
725 | }; |
288 | |
|
|
289 | ############################################################################# |
|
|
290 | # utility functions |
|
|
291 | |
|
|
292 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
|
293 | |
|
|
294 | $JSON::Syck::ImplicitUnicode = 1; |
|
|
295 | |
|
|
296 | sub from_json($) { |
|
|
297 | JSON::Syck::Load $_[0] |
|
|
298 | } |
|
|
299 | |
|
|
300 | sub to_json($) { |
|
|
301 | JSON::Syck::Dump $_[0] |
|
|
302 | } |
|
|
303 | |
726 | |
304 | ############################################################################# |
727 | ############################################################################# |
305 | # extcmd framework, basically convert ext <msg> |
728 | # extcmd framework, basically convert ext <msg> |
306 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
729 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
307 | |
730 | |
308 | sub on_extcmd { |
731 | attach_to_players |
|
|
732 | on_extcmd => sub { |
309 | my ($pl, $buf) = @_; |
733 | my ($pl, $buf) = @_; |
310 | |
734 | |
311 | my $msg = eval { from_json $buf }; |
735 | my $msg = eval { from_json $buf }; |
312 | |
736 | |
313 | if (ref $msg) { |
737 | if (ref $msg) { |
314 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
738 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
315 | if (my %reply = $cb->[0]->($pl, $msg)) { |
739 | if (my %reply = $cb->[0]->($pl, $msg)) { |
316 | $pl->ext_reply ($msg->{msgid}, %reply); |
740 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
741 | } |
317 | } |
742 | } |
318 | } |
|
|
319 | } else { |
743 | } else { |
320 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
744 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
745 | } |
|
|
746 | |
|
|
747 | cf::override; |
321 | } |
748 | }, |
322 | |
749 | ; |
323 | 1 |
|
|
324 | } |
|
|
325 | |
750 | |
326 | ############################################################################# |
751 | ############################################################################# |
327 | # load/save/clean perl data associated with a map |
752 | # load/save/clean perl data associated with a map |
328 | |
753 | |
329 | *on_mapclean = sub { |
754 | *cf::mapsupport::on_clean = sub { |
330 | my ($map) = @_; |
755 | my ($map) = @_; |
331 | |
756 | |
332 | my $path = $map->tmpname; |
757 | my $path = $map->tmpname; |
333 | defined $path or return; |
758 | defined $path or return; |
334 | |
759 | |
335 | unlink "$path.cfperl"; |
760 | unlink "$path.pst"; |
336 | }; |
761 | }; |
337 | |
762 | |
338 | *on_mapin = |
763 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
339 | *on_mapload = sub { |
|
|
340 | my ($map) = @_; |
|
|
341 | |
|
|
342 | my $path = $map->tmpname; |
|
|
343 | $path = $map->path unless defined $path; |
|
|
344 | |
|
|
345 | open my $fh, "<:raw", "$path.cfperl" |
|
|
346 | or return; # no perl data |
|
|
347 | |
|
|
348 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
|
349 | |
|
|
350 | $data->{version} <= 1 |
|
|
351 | or return; # too new |
|
|
352 | |
|
|
353 | $map->_set_obs ($data->{obs}); |
|
|
354 | }; |
|
|
355 | |
|
|
356 | *on_mapout = sub { |
|
|
357 | my ($map) = @_; |
|
|
358 | |
|
|
359 | my $path = $map->tmpname; |
|
|
360 | $path = $map->path unless defined $path; |
|
|
361 | |
|
|
362 | my $obs = $map->_get_obs; |
|
|
363 | |
|
|
364 | if (defined $obs) { |
|
|
365 | open my $fh, ">:raw", "$path.cfperl" |
|
|
366 | or die "$path.cfperl: $!"; |
|
|
367 | |
|
|
368 | stat $path; |
|
|
369 | |
|
|
370 | print $fh Storable::nfreeze { |
|
|
371 | size => (stat _)[7], |
|
|
372 | time => (stat _)[9], |
|
|
373 | version => 1, |
|
|
374 | obs => $obs, |
|
|
375 | }; |
|
|
376 | |
|
|
377 | chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
|
|
378 | } else { |
|
|
379 | unlink "$path.cfperl"; |
|
|
380 | } |
|
|
381 | }; |
|
|
382 | |
764 | |
383 | ############################################################################# |
765 | ############################################################################# |
384 | # load/save perl data associated with player->ob objects |
766 | # load/save perl data associated with player->ob objects |
385 | |
767 | |
386 | *on_player_load = sub { |
768 | sub all_objects(@) { |
|
|
769 | @_, map all_objects ($_->inv), @_ |
|
|
770 | } |
|
|
771 | |
|
|
772 | # TODO: compatibility cruft, remove when no longer needed |
|
|
773 | attach_to_players |
|
|
774 | on_load => sub { |
387 | my ($ob, $path) = @_; |
775 | my ($pl, $path) = @_; |
388 | |
776 | |
389 | for my $o ($ob, $ob->inv) { |
777 | for my $o (all_objects $pl->ob) { |
390 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
778 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
391 | $o->set_ob_key_value ("_perl_data"); |
779 | $o->set_ob_key_value ("_perl_data"); |
392 | |
780 | |
393 | %$o = %{ Storable::thaw pack "H*", $value }; |
781 | %$o = %{ Storable::thaw pack "H*", $value }; |
394 | } |
782 | } |
|
|
783 | } |
395 | } |
784 | }, |
396 | }; |
785 | ; |
397 | |
|
|
398 | *on_player_save = sub { |
|
|
399 | my ($ob, $path) = @_; |
|
|
400 | |
|
|
401 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
|
|
402 | for grep %$_, $ob, $ob->inv; |
|
|
403 | }; |
|
|
404 | |
786 | |
405 | ############################################################################# |
787 | ############################################################################# |
406 | # core extensions - in perl |
788 | # core extensions - in perl |
407 | |
789 | |
408 | =item cf::player::exists $login |
790 | =item cf::player::exists $login |
… | |
… | |
454 | } |
836 | } |
455 | |
837 | |
456 | ############################################################################# |
838 | ############################################################################# |
457 | # map scripting support |
839 | # map scripting support |
458 | |
840 | |
459 | our $safe = new Safe "ext"; |
841 | our $safe = new Safe "safe"; |
460 | our $safe_hole = new Safe::Hole; |
842 | our $safe_hole = new Safe::Hole; |
461 | |
843 | |
462 | $SIG{FPE} = 'IGNORE'; |
844 | $SIG{FPE} = 'IGNORE'; |
463 | |
845 | |
464 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
846 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
… | |
… | |
470 | ["cf::object::player" => qw(player)], |
852 | ["cf::object::player" => qw(player)], |
471 | ["cf::player" => qw(peaceful)], |
853 | ["cf::player" => qw(peaceful)], |
472 | ) { |
854 | ) { |
473 | no strict 'refs'; |
855 | no strict 'refs'; |
474 | my ($pkg, @funs) = @$_; |
856 | my ($pkg, @funs) = @$_; |
475 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
857 | *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
476 | for @funs; |
858 | for @funs; |
477 | } |
859 | } |
478 | |
860 | |
479 | sub safe_eval($;@) { |
861 | sub safe_eval($;@) { |
480 | my ($code, %vars) = @_; |
862 | my ($code, %vars) = @_; |
… | |
… | |
482 | my $qcode = $code; |
864 | my $qcode = $code; |
483 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
865 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
484 | $qcode =~ s/\n/\\n/g; |
866 | $qcode =~ s/\n/\\n/g; |
485 | |
867 | |
486 | local $_; |
868 | local $_; |
487 | local @ext::cf::_safe_eval_args = values %vars; |
869 | local @safe::cf::_safe_eval_args = values %vars; |
488 | |
870 | |
489 | $code = |
871 | my $eval = |
490 | "do {\n" |
872 | "do {\n" |
491 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
873 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
492 | . "#line 0 \"{$qcode}\"\n" |
874 | . "#line 0 \"{$qcode}\"\n" |
493 | . $code |
875 | . $code |
494 | . "\n}" |
876 | . "\n}" |
495 | ; |
877 | ; |
496 | |
878 | |
497 | sub_generation_inc; |
879 | sub_generation_inc; |
498 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
880 | my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); |
499 | sub_generation_inc; |
881 | sub_generation_inc; |
|
|
882 | |
|
|
883 | if ($@) { |
|
|
884 | warn "$@"; |
|
|
885 | warn "while executing safe code '$code'\n"; |
|
|
886 | warn "with arguments " . (join " ", %vars) . "\n"; |
|
|
887 | } |
500 | |
888 | |
501 | wantarray ? @res : $res[0] |
889 | wantarray ? @res : $res[0] |
502 | } |
890 | } |
503 | |
891 | |
504 | sub register_script_function { |
892 | sub register_script_function { |
505 | my ($fun, $cb) = @_; |
893 | my ($fun, $cb) = @_; |
506 | |
894 | |
507 | no strict 'refs'; |
895 | no strict 'refs'; |
508 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
896 | *{"safe::$fun"} = $safe_hole->wrap ($cb); |
|
|
897 | } |
|
|
898 | |
|
|
899 | ############################################################################# |
|
|
900 | # the server's main() |
|
|
901 | |
|
|
902 | sub main { |
|
|
903 | load_extensions; |
|
|
904 | Event::loop; |
509 | } |
905 | } |
510 | |
906 | |
511 | ############################################################################# |
907 | ############################################################################# |
512 | # initialisation |
908 | # initialisation |
513 | |
909 | |
514 | register "<global>", __PACKAGE__; |
910 | register "<global>", __PACKAGE__; |
515 | |
911 | |
516 | unshift @INC, $LIBDIR; |
912 | unshift @INC, $LIBDIR; |
517 | |
913 | |
518 | load_extensions; |
914 | $TICK_WATCHER = Event->timer ( |
|
|
915 | prio => 1, |
|
|
916 | at => $NEXT_TICK || 1, |
|
|
917 | cb => sub { |
|
|
918 | cf::server_tick; # one server iteration |
|
|
919 | |
|
|
920 | my $NOW = Event::time; |
|
|
921 | $NEXT_TICK += $TICK; |
|
|
922 | |
|
|
923 | # if we are delayed by four ticks, skip them all |
|
|
924 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
|
|
925 | |
|
|
926 | $TICK_WATCHER->at ($NEXT_TICK); |
|
|
927 | $TICK_WATCHER->start; |
|
|
928 | }, |
|
|
929 | ); |
519 | |
930 | |
520 | 1 |
931 | 1 |
521 | |
932 | |