1 | package cf; |
1 | package cf; |
2 | |
2 | |
3 | use Symbol; |
3 | use Symbol; |
4 | use List::Util; |
4 | use List::Util; |
|
|
5 | use Storable; |
|
|
6 | use Opcode; |
|
|
7 | use Safe; |
|
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8 | use Safe::Hole; |
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9 | |
|
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10 | use Event; |
|
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11 | $Event::Eval = 1; # no idea why this is required, but it is |
5 | |
12 | |
6 | use strict; |
13 | use strict; |
7 | |
14 | |
8 | our %COMMAND; |
15 | our %COMMAND; |
9 | our @EVENT; |
16 | our @EVENT; |
10 | our %PROP_TYPE; |
17 | our %PROP_TYPE; |
11 | our %PROP_IDX; |
18 | our %PROP_IDX; |
|
|
19 | our $LIBDIR = maps_directory "perl"; |
12 | |
20 | |
13 | BEGIN { |
21 | BEGIN { |
14 | @EVENT = map lc, @EVENT; |
22 | @EVENT = map lc, @EVENT; |
15 | |
23 | |
16 | *CORE::GLOBAL::warn = sub { |
24 | *CORE::GLOBAL::warn = sub { |
… | |
… | |
21 | print STDERR "cfperl: $msg"; |
29 | print STDERR "cfperl: $msg"; |
22 | LOG llevError, "cfperl: $msg"; |
30 | LOG llevError, "cfperl: $msg"; |
23 | }; |
31 | }; |
24 | } |
32 | } |
25 | |
33 | |
|
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34 | my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
|
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35 | |
26 | # generate property mutators |
36 | # generate property mutators |
27 | sub prop_gen { |
37 | sub prop_gen { |
28 | my ($prefix, $class) = @_; |
38 | my ($prefix, $class) = @_; |
29 | |
39 | |
30 | no strict 'refs'; |
40 | no strict 'refs'; |
… | |
… | |
40 | $_[0]->get_property ($type, $idx) |
50 | $_[0]->get_property ($type, $idx) |
41 | }; |
51 | }; |
42 | |
52 | |
43 | *{"$class\::set_$sub"} = sub { |
53 | *{"$class\::set_$sub"} = sub { |
44 | $_[0]->set_property ($type, $idx, $_[1]); |
54 | $_[0]->set_property ($type, $idx, $_[1]); |
45 | }; |
55 | } unless $ignore_set{$prop}; |
46 | } |
56 | } |
47 | } |
57 | } |
48 | |
58 | |
49 | # auto-generate most of the API |
59 | # auto-generate most of the API |
50 | |
60 | |
… | |
… | |
55 | prop_gen MAP_PROP => "cf::map"; |
65 | prop_gen MAP_PROP => "cf::map"; |
56 | prop_gen ARCH_PROP => "cf::arch"; |
66 | prop_gen ARCH_PROP => "cf::arch"; |
57 | |
67 | |
58 | # guessed hierarchies |
68 | # guessed hierarchies |
59 | |
69 | |
60 | @cf::object::player::ISA = 'cf::object'; |
70 | @ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
61 | @cf::object::map::ISA = 'cf::object'; |
71 | @ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
62 | |
72 | |
|
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73 | # we bless all objects into derived classes to force a method lookup |
|
|
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; |
|
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78 | } |
|
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79 | |
|
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80 | $Event::DIED = sub { |
|
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81 | warn "error in event callback: @_"; |
|
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82 | }; |
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83 | |
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84 | my %ext_pkg; |
63 | my @exts; |
85 | my @exts; |
64 | my @hook; |
86 | my @hook; |
65 | my %command; |
87 | my %command; |
|
|
88 | my %extcmd; |
66 | |
89 | |
67 | sub inject_event { |
90 | sub inject_event { |
68 | my ($data) = @_; |
91 | my $extension = shift; |
|
|
92 | my $event_code = shift; |
69 | |
93 | |
70 | my $cb = $hook[$data->{event_code}] |
94 | my $cb = $hook[$event_code]{$extension} |
71 | or return; |
95 | or return; |
72 | |
96 | |
73 | $_->($data) for values %$cb; |
97 | &$cb |
|
|
98 | } |
74 | |
99 | |
75 | () |
100 | sub inject_global_event { |
|
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101 | my $event = shift; |
|
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102 | |
|
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103 | my $cb = $hook[$event] |
|
|
104 | or return; |
|
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105 | |
|
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106 | List::Util::max map &$_, values %$cb |
76 | } |
107 | } |
77 | |
108 | |
78 | sub inject_command { |
109 | sub inject_command { |
79 | my ($name, $obj, $params) = @_; |
110 | my ($name, $obj, $params) = @_; |
80 | |
111 | |
… | |
… | |
87 | |
118 | |
88 | sub register_command { |
119 | sub register_command { |
89 | my ($name, $time, $cb) = @_; |
120 | my ($name, $time, $cb) = @_; |
90 | |
121 | |
91 | my $caller = caller; |
122 | my $caller = caller; |
|
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123 | #warn "registering command '$name/$time' to '$caller'"; |
92 | |
124 | |
93 | push @{ $command{$name} }, [$time, $cb, $caller]; |
125 | push @{ $command{$name} }, [$time, $cb, $caller]; |
94 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
126 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
95 | } |
127 | } |
96 | |
128 | |
|
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129 | sub register_extcmd { |
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130 | my ($name, $cb) = @_; |
|
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131 | |
|
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132 | my $caller = caller; |
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133 | #warn "registering extcmd '$name' to '$caller'"; |
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134 | |
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135 | $extcmd{$name} = [$cb, $caller]; |
|
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136 | } |
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137 | |
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138 | sub register { |
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139 | my ($base, $pkg) = @_; |
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140 | |
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141 | for my $idx (0 .. $#EVENT) { |
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142 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
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143 | #warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
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144 | $hook[$idx]{$base} = $ref; |
|
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145 | } |
|
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146 | } |
|
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147 | } |
|
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148 | |
97 | sub load_extension { |
149 | sub load_extension { |
98 | my ($path) = @_; |
150 | my ($path) = @_; |
99 | |
151 | |
100 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
152 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
|
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153 | my $base = $1; |
101 | my $pkg = $1; |
154 | my $pkg = $1; |
102 | $pkg =~ s/[^[:word:]]/_/g; |
155 | $pkg =~ s/[^[:word:]]/_/g; |
103 | $pkg = "cf::ext::$pkg"; |
156 | $pkg = "cf::ext::$pkg"; |
104 | |
157 | |
105 | warn "loading '$path' into '$pkg'\n"; |
158 | warn "loading '$path' into '$pkg'\n"; |
… | |
… | |
115 | |
168 | |
116 | eval $source |
169 | eval $source |
117 | or die "$path: $@"; |
170 | or die "$path: $@"; |
118 | |
171 | |
119 | push @exts, $pkg; |
172 | push @exts, $pkg; |
|
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173 | $ext_pkg{$base} = $pkg; |
120 | |
174 | |
121 | no strict 'refs'; |
175 | # no strict 'refs'; |
122 | |
|
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123 | # @{"$pkg\::ISA"} = cf::ext::; |
176 | # @{"$pkg\::ISA"} = ext::; |
124 | |
177 | |
125 | for my $idx (0 .. $#EVENT) { |
178 | register $base, $pkg; |
126 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
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127 | warn "registering $EVENT[$idx] hook\n"; |
|
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128 | $hook[$idx]{$pkg} = $ref; |
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129 | } |
|
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130 | } |
|
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131 | } |
179 | } |
132 | |
180 | |
133 | sub unload_extension { |
181 | sub unload_extension { |
134 | my ($pkg) = @_; |
182 | my ($pkg) = @_; |
135 | |
183 | |
136 | warn "removing extension $pkg\n"; |
184 | warn "removing extension $pkg\n"; |
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185 | |
|
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186 | if (my $cb = $pkg->can ("on_unload")) { |
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187 | $cb->($pkg); |
|
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188 | } |
137 | |
189 | |
138 | # remove hooks |
190 | # remove hooks |
139 | for my $idx (0 .. $#EVENT) { |
191 | for my $idx (0 .. $#EVENT) { |
140 | delete $hook[$idx]{$pkg}; |
192 | delete $hook[$idx]{$pkg}; |
141 | } |
193 | } |
… | |
… | |
151 | delete $command{$name}; |
203 | delete $command{$name}; |
152 | delete $COMMAND{"$name\000"}; |
204 | delete $COMMAND{"$name\000"}; |
153 | } |
205 | } |
154 | } |
206 | } |
155 | |
207 | |
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208 | # remove extcmds |
|
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209 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
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210 | delete $extcmd{$name}; |
|
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211 | } |
|
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212 | |
156 | Symbol::delete_package $pkg; |
213 | Symbol::delete_package $pkg; |
157 | } |
214 | } |
158 | |
215 | |
159 | sub load_extensions { |
216 | sub load_extensions { |
160 | my $LIBDIR = maps_directory "perl"; |
217 | my $LIBDIR = maps_directory "perl"; |
161 | |
218 | |
162 | for my $ext (<$LIBDIR/*.ext>) { |
219 | for my $ext (<$LIBDIR/*.ext>) { |
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220 | next unless -r $ext; |
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221 | eval { |
163 | load_extension $ext; |
222 | load_extension $ext; |
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223 | 1 |
|
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224 | } or warn "$ext not loaded: $@"; |
164 | } |
225 | } |
165 | } |
226 | } |
166 | |
227 | |
167 | register_command "perl-reload", 0, sub { |
228 | register_command "perl-reload", 0, sub { |
168 | my ($who, $arg) = @_; |
229 | my ($who, $arg) = @_; |
169 | |
230 | |
170 | if ($who->flag (FLAG_WIZ)) { |
231 | if ($who->flag (FLAG_WIZ)) { |
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232 | $who->message ("reloading..."); |
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233 | |
171 | warn "reloading...\n"; |
234 | warn "reloading...\n"; |
172 | unload_extension $_ for @exts; |
235 | eval { |
173 | @exts = 0; |
236 | # 1. cancel all watchers |
|
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237 | $_->cancel for Event::all_watchers; |
|
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238 | |
|
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239 | # 2. unload all extensions |
|
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240 | for (@exts) { |
|
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241 | $who->message ("unloading <$_>"); |
174 | load_extensions; |
242 | unload_extension $_; |
|
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243 | } |
|
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244 | |
|
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245 | # 3. unload all modules loaded from $LIBDIR |
|
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246 | while (my ($k, $v) = each %INC) { |
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247 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
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248 | |
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249 | $who->message ("removing <$k>"); |
|
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250 | delete $INC{$k}; |
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251 | |
|
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252 | $k =~ s/\.pm$//; |
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253 | $k =~ s/\//::/g; |
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254 | |
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255 | if (my $cb = $k->can ("unload_module")) { |
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256 | $cb->(); |
|
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257 | } |
|
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258 | |
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259 | Symbol::delete_package $k; |
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260 | } |
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261 | |
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262 | # 4. get rid of ext::, as good as possible |
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263 | Symbol::delete_package "ext::$_" |
|
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264 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
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265 | |
|
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266 | # 5. remove register_script_function callbacks |
|
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267 | # TODO |
|
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268 | |
|
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269 | # 6. unload cf.pm "a bit" |
|
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270 | delete $INC{"cf.pm"}; |
|
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271 | |
|
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272 | # don't, removes xs symbols, too |
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273 | #Symbol::delete_package __PACKAGE__; |
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274 | |
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275 | # 7. reload cf.pm |
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276 | $who->message ("reloading cf.pm"); |
|
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277 | require cf; |
|
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278 | }; |
|
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279 | warn $@ if $@; |
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280 | $who->message ($@) if $@; |
175 | warn "reloaded\n"; |
281 | warn "reloaded\n"; |
|
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282 | |
|
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283 | $who->message ("reloaded"); |
|
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284 | } else { |
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285 | $who->message ("Intruder Alert!"); |
|
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286 | } |
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287 | }; |
|
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288 | |
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289 | ############################################################################# |
|
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290 | # utility functions |
|
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291 | |
|
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292 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
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293 | |
|
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294 | $JSON::Syck::ImplicitUnicode = 1; |
|
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295 | |
|
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296 | sub from_json($) { |
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297 | JSON::Syck::Load $_[0] |
|
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298 | } |
|
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299 | |
|
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300 | sub to_json($) { |
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301 | JSON::Syck::Dump $_[0] |
|
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302 | } |
|
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303 | |
|
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304 | ############################################################################# |
|
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305 | # extcmd framework, basically convert ext <msg> |
|
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306 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
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307 | |
|
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308 | sub on_extcmd { |
|
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309 | my ($pl, $buf) = @_; |
|
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310 | |
|
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311 | my $msg = eval { from_json $buf }; |
|
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312 | |
|
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313 | if (ref $msg) { |
|
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314 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
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315 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
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316 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
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317 | } |
|
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318 | } |
|
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319 | } else { |
|
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320 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
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321 | } |
|
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322 | |
176 | } |
323 | 1 |
|
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324 | } |
|
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325 | |
|
|
326 | ############################################################################# |
|
|
327 | # load/save/clean perl data associated with a map |
|
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328 | |
|
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329 | *on_mapclean = sub { |
|
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330 | my ($map) = @_; |
|
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331 | |
|
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332 | my $path = $map->tmpname; |
|
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333 | defined $path or return; |
|
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334 | |
|
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335 | unlink "$path.cfperl"; |
177 | }; |
336 | }; |
|
|
337 | |
|
|
338 | *on_mapin = |
|
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339 | *on_mapload = sub { |
|
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340 | my ($map) = @_; |
|
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341 | |
|
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342 | my $path = $map->tmpname; |
|
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343 | $path = $map->path unless defined $path; |
|
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344 | |
|
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345 | open my $fh, "<:raw", "$path.cfperl" |
|
|
346 | or return; # no perl data |
|
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347 | |
|
|
348 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
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349 | |
|
|
350 | $data->{version} <= 1 |
|
|
351 | or return; # too new |
|
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352 | |
|
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353 | $map->_set_obs ($data->{obs}); |
|
|
354 | }; |
|
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355 | |
|
|
356 | *on_mapout = sub { |
|
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357 | my ($map) = @_; |
|
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358 | |
|
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359 | my $path = $map->tmpname; |
|
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360 | $path = $map->path unless defined $path; |
|
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361 | |
|
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362 | my $obs = $map->_get_obs; |
|
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363 | |
|
|
364 | if (defined $obs) { |
|
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365 | open my $fh, ">:raw", "$path.cfperl" |
|
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366 | or die "$path.cfperl: $!"; |
|
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367 | |
|
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368 | stat $path; |
|
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369 | |
|
|
370 | print $fh Storable::nfreeze { |
|
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371 | size => (stat _)[7], |
|
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372 | time => (stat _)[9], |
|
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373 | version => 1, |
|
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374 | obs => $obs, |
|
|
375 | }; |
|
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376 | |
|
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377 | chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
|
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378 | } else { |
|
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379 | unlink "$path.cfperl"; |
|
|
380 | } |
|
|
381 | }; |
|
|
382 | |
|
|
383 | ############################################################################# |
|
|
384 | # load/save perl data associated with player->ob objects |
|
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385 | |
|
|
386 | *on_player_load = sub { |
|
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387 | my ($ob, $path) = @_; |
|
|
388 | |
|
|
389 | for my $o ($ob, $ob->inv) { |
|
|
390 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
|
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391 | $o->set_ob_key_value ("_perl_data"); |
|
|
392 | |
|
|
393 | %$o = %{ Storable::thaw pack "H*", $value }; |
|
|
394 | } |
|
|
395 | } |
|
|
396 | }; |
|
|
397 | |
|
|
398 | *on_player_save = sub { |
|
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399 | my ($ob, $path) = @_; |
|
|
400 | |
|
|
401 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
|
|
402 | for grep %$_, $ob, $ob->inv; |
|
|
403 | }; |
|
|
404 | |
|
|
405 | ############################################################################# |
|
|
406 | # core extensions - in perl |
|
|
407 | |
|
|
408 | =item cf::player::exists $login |
|
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409 | |
|
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410 | Returns true when the given account exists. |
|
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411 | |
|
|
412 | =cut |
|
|
413 | |
|
|
414 | sub cf::player::exists($) { |
|
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415 | cf::player::find $_[0] |
|
|
416 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
|
417 | } |
|
|
418 | |
|
|
419 | =item $player->reply ($npc, $msg[, $flags]) |
|
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420 | |
|
|
421 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
|
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422 | can be C<undef>. Does the right thing when the player is currently in a |
|
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423 | dialogue with the given NPC character. |
|
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424 | |
|
|
425 | =cut |
|
|
426 | |
|
|
427 | # rough implementation of a future "reply" method that works |
|
|
428 | # with dialog boxes. |
|
|
429 | sub cf::object::player::reply($$$;$) { |
|
|
430 | my ($self, $npc, $msg, $flags) = @_; |
|
|
431 | |
|
|
432 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
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433 | |
|
|
434 | if ($self->{record_replies}) { |
|
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435 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
|
436 | } else { |
|
|
437 | $msg = $npc->name . " says: $msg" if $npc; |
|
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438 | $self->message ($msg, $flags); |
|
|
439 | } |
|
|
440 | } |
|
|
441 | |
|
|
442 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
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443 | |
|
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444 | Sends an ext reply to the player. |
|
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445 | |
|
|
446 | =cut |
|
|
447 | |
|
|
448 | sub cf::player::ext_reply($$$%) { |
|
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449 | my ($self, $id, %msg) = @_; |
|
|
450 | |
|
|
451 | $msg{msgid} = $id; |
|
|
452 | |
|
|
453 | $self->send ("ext " . to_json \%msg); |
|
|
454 | } |
|
|
455 | |
|
|
456 | ############################################################################# |
|
|
457 | # map scripting support |
|
|
458 | |
|
|
459 | our $safe = new Safe "ext"; |
|
|
460 | our $safe_hole = new Safe::Hole; |
|
|
461 | |
|
|
462 | $SIG{FPE} = 'IGNORE'; |
|
|
463 | |
|
|
464 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
|
|
465 | |
|
|
466 | # here we export the classes and methods available to script code |
|
|
467 | |
|
|
468 | for ( |
|
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469 | ["cf::object" => qw(contr pay_amount pay_player)], |
|
|
470 | ["cf::object::player" => qw(player)], |
|
|
471 | ["cf::player" => qw(peaceful)], |
|
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472 | ) { |
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473 | no strict 'refs'; |
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474 | my ($pkg, @funs) = @$_; |
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475 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
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476 | for @funs; |
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477 | } |
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478 | |
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479 | sub safe_eval($;@) { |
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480 | my ($code, %vars) = @_; |
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481 | |
|
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482 | my $qcode = $code; |
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483 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
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484 | $qcode =~ s/\n/\\n/g; |
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485 | |
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486 | local $_; |
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487 | local @ext::cf::_safe_eval_args = values %vars; |
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488 | |
|
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489 | $code = |
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490 | "do {\n" |
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491 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
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492 | . "#line 0 \"{$qcode}\"\n" |
|
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493 | . $code |
|
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494 | . "\n}" |
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495 | ; |
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496 | |
|
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497 | sub_generation_inc; |
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498 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
|
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499 | sub_generation_inc; |
|
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500 | |
|
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501 | wantarray ? @res : $res[0] |
|
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502 | } |
|
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503 | |
|
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504 | sub register_script_function { |
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505 | my ($fun, $cb) = @_; |
|
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506 | |
|
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507 | no strict 'refs'; |
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508 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
|
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509 | } |
|
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510 | |
|
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511 | ############################################################################# |
|
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512 | # initialisation |
|
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513 | |
|
|
514 | register "<global>", __PACKAGE__; |
|
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515 | |
|
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516 | unshift @INC, $LIBDIR; |
178 | |
517 | |
179 | load_extensions; |
518 | load_extensions; |
180 | |
519 | |
181 | 1 |
520 | 1 |
182 | |
521 | |