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11 | use Event; |
11 | use Event; |
12 | $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 |
13 | |
13 | |
14 | use strict; |
14 | use strict; |
15 | |
15 | |
16 | our %COMMAND; |
16 | our %COMMAND = (); |
17 | our @EVENT; |
17 | our @EVENT; |
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18 | our @PLUGIN_EVENT; |
18 | our %PROP_TYPE; |
19 | our %PROP_TYPE; |
19 | our %PROP_IDX; |
20 | our %PROP_IDX; |
20 | our $LIBDIR = maps_directory "perl"; |
21 | our $LIBDIR = maps_directory "perl"; |
21 | |
22 | |
22 | our $TICK = MAX_TIME * 1e-6; |
23 | our $TICK = MAX_TIME * 1e-6; |
23 | our $TICK_WATCHER; |
24 | our $TICK_WATCHER; |
24 | our $NEXT_TICK; |
25 | our $NEXT_TICK; |
25 | |
26 | |
26 | BEGIN { |
27 | BEGIN { |
27 | @EVENT = map lc, @EVENT; |
28 | @PLUGIN_EVENT = map lc, @PLUGIN_EVENT; |
28 | |
29 | |
29 | *CORE::GLOBAL::warn = sub { |
30 | *CORE::GLOBAL::warn = sub { |
30 | my $msg = join "", @_; |
31 | my $msg = join "", @_; |
31 | $msg .= "\n" |
32 | $msg .= "\n" |
32 | unless $msg =~ /\n$/; |
33 | unless $msg =~ /\n$/; |
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… | |
90 | my @exts; |
91 | my @exts; |
91 | my @hook; |
92 | my @hook; |
92 | my %command; |
93 | my %command; |
93 | my %extcmd; |
94 | my %extcmd; |
94 | |
95 | |
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96 | ############################################################################# |
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97 | # "new" plug-in system |
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98 | |
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99 | =item cf::object::attach ... # NYI |
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100 | |
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101 | =item cf::attach_global ... |
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102 | |
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103 | =item cf::attach_to_type ... |
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104 | |
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105 | =item cf::attach_to_objects ... |
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106 | |
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107 | =item cf::attach_to_players ... |
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108 | |
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109 | =item cf::attach_to_maps ... |
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110 | |
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111 | prio => $number, # lower is earlier |
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112 | on_xxx => \&cb, |
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113 | package => package::, |
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114 | |
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115 | =cut |
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116 | |
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117 | # the following variables are defined in .xs and must not be re-created |
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118 | our @CB_GLOBAL = (); # registry for all global events |
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119 | our @CB_OBJECT = (); |
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120 | our @CB_PLAYER = (); |
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121 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
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122 | our @CB_MAP = (); |
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123 | |
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124 | sub _attach_cb($\%$$$) { |
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125 | my ($registry, $undo, $event, $prio, $cb) = @_; |
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126 | |
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127 | use sort 'stable'; |
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128 | |
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129 | $cb = [$prio, $cb]; |
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130 | |
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131 | @{$registry->[$event]} = sort |
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132 | { $a->[0] cmp $b->[0] } |
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133 | @{$registry->[$event] || []}, $cb; |
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134 | |
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135 | push @{$undo->{cb}}, [$event, $cb]; |
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136 | } |
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137 | |
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138 | # attach handles attaching event callbacks |
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139 | # the only thing the caller has to do is pass the correct |
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140 | # registry (== where the callback attaches to). |
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141 | sub _attach(\@$\@) { |
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142 | my ($registry, $klass, $arg) = @_; |
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143 | |
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144 | my $prio = 0; |
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145 | |
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146 | my %undo = ( |
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147 | registry => $registry, |
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148 | cb => [], |
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149 | ); |
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150 | |
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151 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
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152 | |
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153 | while (@$arg) { |
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154 | my $type = shift @$arg; |
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155 | |
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156 | if ($type eq "prio") { |
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157 | $prio = shift @$arg; |
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158 | |
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159 | } elsif ($type eq "package") { |
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160 | my $pkg = shift @$arg; |
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161 | |
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162 | while (my ($name, $id) = each %cb_id) { |
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163 | if (my $cb = $pkg->can ($name)) { |
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164 | _attach_cb $registry, %undo, $id, $prio, $cb; |
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165 | } |
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166 | } |
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167 | |
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168 | } elsif (exists $cb_id{$type}) { |
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169 | _attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @$arg; |
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170 | |
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171 | } elsif (ref $type) { |
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172 | warn "attaching objects not supported, ignoring.\n"; |
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173 | |
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174 | } else { |
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175 | shift @$arg; |
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176 | warn "attach argument '$type' not supported, ignoring.\n"; |
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177 | } |
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178 | } |
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179 | |
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180 | \%undo |
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181 | } |
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182 | |
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183 | sub cf::object::attach { |
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184 | die; |
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185 | } |
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186 | |
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187 | sub attach_global { |
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188 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
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189 | } |
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190 | |
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191 | sub attach_to_type { |
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192 | my $type = shift; |
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193 | _attach @{$CB_TYPE[$type]}, KLASS_OBJECT, @_ |
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194 | } |
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195 | |
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196 | sub attach_to_objects { |
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197 | _attach @CB_OBJECT, KLASS_OBJECT, @_ |
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198 | } |
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199 | |
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200 | sub attach_to_players { |
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201 | _attach @CB_PLAYER, KLASS_PLAYER, @_ |
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202 | } |
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203 | |
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204 | sub attach_to_maps { |
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205 | _attach @CB_MAP, KLASS_MAP, @_ |
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206 | } |
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207 | |
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208 | our $override; |
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209 | |
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210 | sub override() { |
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211 | $override = 1 |
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212 | } |
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213 | |
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214 | sub invoke { |
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215 | my $event = shift; |
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216 | my $callbacks = shift; |
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217 | |
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218 | local $override; |
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219 | |
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220 | for (@$callbacks) { |
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221 | eval { &{$_->[1]} }; |
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222 | |
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223 | if ($@) { |
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224 | warn "$@"; |
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225 | warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n"; |
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226 | override; |
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227 | } |
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228 | |
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229 | return 1 if $override; |
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230 | } |
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231 | |
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232 | 0 |
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233 | } |
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234 | |
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235 | ############################################################################# |
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236 | # old plug-in events |
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237 | |
95 | sub inject_event { |
238 | sub inject_event { |
96 | my $extension = shift; |
239 | my $extension = shift; |
97 | my $event_code = shift; |
240 | my $event_code = shift; |
98 | |
241 | |
99 | my $cb = $hook[$event_code]{$extension} |
242 | my $cb = $hook[$event_code]{$extension} |
… | |
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141 | } |
284 | } |
142 | |
285 | |
143 | sub register { |
286 | sub register { |
144 | my ($base, $pkg) = @_; |
287 | my ($base, $pkg) = @_; |
145 | |
288 | |
146 | for my $idx (0 .. $#EVENT) { |
289 | for my $idx (0 .. $#PLUGIN_EVENT) { |
147 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
290 | if (my $ref = $pkg->can ("on_$PLUGIN_EVENT[$idx]")) { |
148 | #warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
291 | #warn "registering $PLUGIN_EVENT[$idx] hook to '$pkg'\n"; |
149 | $hook[$idx]{$base} = $ref; |
292 | $hook[$idx]{$base} = $ref; |
150 | } |
293 | } |
151 | } |
294 | } |
152 | } |
295 | } |
153 | |
296 | |
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187 | my ($pkg) = @_; |
330 | my ($pkg) = @_; |
188 | |
331 | |
189 | warn "removing extension $pkg\n"; |
332 | warn "removing extension $pkg\n"; |
190 | |
333 | |
191 | # remove hooks |
334 | # remove hooks |
192 | for my $idx (0 .. $#EVENT) { |
335 | for my $idx (0 .. $#PLUGIN_EVENT) { |
193 | delete $hook[$idx]{$pkg}; |
336 | delete $hook[$idx]{$pkg}; |
194 | } |
337 | } |
195 | |
338 | |
196 | # remove commands |
339 | # remove commands |
197 | for my $name (keys %command) { |
340 | for my $name (keys %command) { |
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343 | } |
486 | } |
344 | |
487 | |
345 | ############################################################################# |
488 | ############################################################################# |
346 | # load/save/clean perl data associated with a map |
489 | # load/save/clean perl data associated with a map |
347 | |
490 | |
348 | *on_mapclean = sub { |
491 | *cf::mapsupport::on_clean = sub { |
349 | my ($map) = @_; |
492 | my ($map) = @_; |
350 | |
493 | |
351 | my $path = $map->tmpname; |
494 | my $path = $map->tmpname; |
352 | defined $path or return; |
495 | defined $path or return; |
353 | |
496 | |
354 | unlink "$path.cfperl"; |
497 | unlink "$path.cfperl"; |
355 | }; |
498 | }; |
356 | |
499 | |
357 | *on_mapin = |
500 | *cf::mapsupport::on_swapin = |
358 | *on_mapload = sub { |
501 | *cf::mapsupport::on_load = sub { |
359 | my ($map) = @_; |
502 | my ($map) = @_; |
360 | |
503 | |
361 | my $path = $map->tmpname; |
504 | my $path = $map->tmpname; |
362 | $path = $map->path unless defined $path; |
505 | $path = $map->path unless defined $path; |
363 | |
506 | |
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370 | or return; # too new |
513 | or return; # too new |
371 | |
514 | |
372 | $map->_set_obs ($data->{obs}); |
515 | $map->_set_obs ($data->{obs}); |
373 | }; |
516 | }; |
374 | |
517 | |
375 | *on_mapout = sub { |
518 | *cf::mapsupport::on_swapout = sub { |
376 | my ($map) = @_; |
519 | my ($map) = @_; |
377 | |
520 | |
378 | my $path = $map->tmpname; |
521 | my $path = $map->tmpname; |
379 | $path = $map->path unless defined $path; |
522 | $path = $map->path unless defined $path; |
380 | |
523 | |
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397 | } else { |
540 | } else { |
398 | unlink "$path.cfperl"; |
541 | unlink "$path.cfperl"; |
399 | } |
542 | } |
400 | }; |
543 | }; |
401 | |
544 | |
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545 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
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546 | |
402 | ############################################################################# |
547 | ############################################################################# |
403 | # load/save perl data associated with player->ob objects |
548 | # load/save perl data associated with player->ob objects |
404 | |
549 | |
405 | sub all_objects(@) { |
550 | sub all_objects(@) { |
406 | @_, map all_objects ($_->inv), @_ |
551 | @_, map all_objects ($_->inv), @_ |
407 | } |
552 | } |
408 | |
553 | |
409 | *on_player_load = sub { |
554 | attach_to_players |
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555 | on_load => sub { |
410 | my ($ob, $path) = @_; |
556 | my ($pl, $path) = @_; |
411 | |
557 | |
412 | for my $o (all_objects $ob) { |
558 | for my $o (all_objects $pl->ob) { |
413 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
559 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
414 | $o->set_ob_key_value ("_perl_data"); |
560 | $o->set_ob_key_value ("_perl_data"); |
415 | |
561 | |
416 | %$o = %{ Storable::thaw pack "H*", $value }; |
562 | %$o = %{ Storable::thaw pack "H*", $value }; |
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563 | } |
417 | } |
564 | } |
418 | } |
565 | }, |
419 | }; |
566 | on_save => sub { |
420 | |
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421 | *on_player_save = sub { |
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422 | my ($ob, $path) = @_; |
567 | my ($pl, $path) = @_; |
423 | |
568 | |
424 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
569 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
425 | for grep %$_, all_objects $ob; |
570 | for grep %$_, all_objects $pl->ob; |
426 | }; |
571 | }, |
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572 | ; |
427 | |
573 | |
428 | ############################################################################# |
574 | ############################################################################# |
429 | # core extensions - in perl |
575 | # core extensions - in perl |
430 | |
576 | |
431 | =item cf::player::exists $login |
577 | =item cf::player::exists $login |
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532 | } |
678 | } |
533 | |
679 | |
534 | ############################################################################# |
680 | ############################################################################# |
535 | # the server's main() |
681 | # the server's main() |
536 | |
682 | |
537 | sub run { |
683 | sub main { |
538 | Event::loop; |
684 | Event::loop; |
539 | } |
685 | } |
540 | |
686 | |
541 | ############################################################################# |
687 | ############################################################################# |
542 | # initialisation |
688 | # initialisation |
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554 | cf::server_tick; # one server iteration |
700 | cf::server_tick; # one server iteration |
555 | |
701 | |
556 | my $NOW = Event::time; |
702 | my $NOW = Event::time; |
557 | $NEXT_TICK += $TICK; |
703 | $NEXT_TICK += $TICK; |
558 | |
704 | |
559 | # if we are delayed by > 0.25 second, skip ticks |
705 | # if we are delayed by four ticks, skip them all |
560 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + .25; |
706 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
561 | |
707 | |
562 | $TICK_WATCHER->at ($NEXT_TICK); |
708 | $TICK_WATCHER->at ($NEXT_TICK); |
563 | $TICK_WATCHER->start; |
709 | $TICK_WATCHER->start; |
564 | }, |
710 | }, |
565 | ); |
711 | ); |