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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 ... # NYI |
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102 | |
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103 | =item cf::attach_to_type ... # NYI |
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104 | |
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105 | =item cf::attach_to_objects ... # NYI |
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106 | |
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107 | =item cf::attach_to_players ... # NYI |
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108 | |
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109 | =item cf::attach_to_maps ... # NYI |
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110 | |
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111 | prio => $number, # higehr is earlier |
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112 | on_xxx => \&cb, |
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113 | package => package::, |
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114 | |
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115 | =cut |
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116 | |
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117 | our %CB_CLASS = (); # registry for class-based events |
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118 | our @CB_GLOBAL = (); # registry for all global events |
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119 | our @CB_TYPE = (); # registry for type (cf-object class) based events |
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120 | |
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121 | sub _attach_cb($\%$$$) { |
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122 | my ($registry, $undo, $event, $prio, $cb) = @_; |
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123 | |
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124 | use sort 'stable'; |
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125 | |
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126 | $cb = [$prio, $cb]; |
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127 | |
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128 | @{$registry->[$event]} = sort |
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129 | { $a->[0] cmp $b->[0] } |
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130 | @{$registry->[$event] || []}, $cb; |
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131 | |
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132 | push @{$undo->{cb}}, [$event, $cb]; |
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133 | } |
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134 | |
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135 | # attach handles attaching event callbacks |
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136 | # the only thing the caller has to do is pass the correct |
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137 | # registry (== where the callback attaches to). |
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138 | sub _attach(\@$\@) { |
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139 | my ($registry, $klass, $arg) = @_; |
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140 | |
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141 | my $prio = 0; |
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142 | |
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143 | my %undo = ( |
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144 | registry => $registry, |
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145 | cb => [], |
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146 | ); |
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147 | |
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148 | my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT; |
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149 | |
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150 | while (@$arg) { |
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151 | my $type = shift @$arg; |
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152 | |
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153 | if ($type eq "prio") { |
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154 | $prio = shift @$arg; |
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155 | |
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156 | } elsif ($type eq "package") { |
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157 | my $pkg = shift @$arg; |
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158 | |
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159 | while (my ($name, $id) = each %cb_id) { |
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160 | if (my $cb = $pkg->can ($name)) { |
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161 | _attach_cb $registry, %undo, $id, $prio, $cb; |
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162 | } |
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163 | } |
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164 | |
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165 | } elsif (exists $cb_id{$type}) { |
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166 | _attach_cb $registry, %undo, $cb_id{$type}, $prio, shift @$arg; |
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167 | |
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168 | } elsif (ref $type) { |
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169 | warn "attaching objects not supported, ignoring.\n"; |
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170 | |
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171 | } else { |
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172 | shift @$arg; |
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173 | warn "attach argument '$type' not supported, ignoring.\n"; |
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174 | } |
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175 | } |
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176 | |
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177 | \%undo |
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178 | } |
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179 | |
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180 | sub cf::object::attach { |
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181 | die; |
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182 | } |
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183 | |
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184 | sub attach_global { |
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185 | _attach @CB_GLOBAL, KLASS_GLOBAL, @_ |
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186 | } |
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187 | |
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188 | sub attach_type { |
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189 | my $type = shift; |
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190 | _attach @{$CB_TYPE[$type]}, KLASS_MAP, @_ |
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191 | } |
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192 | |
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193 | sub attach_to_objects { |
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194 | _attach @{$CB_CLASS{cf::object::wrap::}}, KLASS_OBJECT, @_ |
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195 | } |
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196 | |
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197 | sub attach_to_players { |
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198 | _attach @{$CB_CLASS{cf::player::wrap::}}, KLASS_PLAYER, @_ |
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199 | } |
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200 | |
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201 | sub attach_to_maps { |
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202 | _attach @{$CB_CLASS{cf::map::wrap::}}, KLASS_MAP, @_ |
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203 | } |
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204 | |
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205 | our $override; |
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206 | |
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207 | sub override() { |
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208 | $override = 1 |
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209 | } |
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210 | |
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211 | sub invoke { |
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212 | my $event = shift; |
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213 | |
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214 | my @cb; |
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215 | |
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216 | if (my $ref = ref $_[0]) { |
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217 | # 1. object-specific (NYI) |
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218 | # 2. class-specific |
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219 | push @cb, @{$CB_CLASS{$ref}[$event] || []}; |
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220 | } |
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221 | |
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222 | # global |
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223 | push @cb, @{$CB_GLOBAL[$event] || []}; |
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224 | |
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225 | # warn "invoke id $EVENT[$event][0], args <@_> <=> @cb\n";#d# |
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226 | |
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227 | local $override; |
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228 | |
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229 | for (@cb) { |
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230 | eval { &{$_->[1]} }; |
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231 | |
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232 | if ($@) { |
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233 | warn "$@"; |
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234 | warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n"; |
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235 | override; |
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236 | } |
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237 | |
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238 | return 1 if $override; |
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239 | } |
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240 | |
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241 | 0 |
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242 | } |
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243 | |
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244 | ############################################################################# |
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245 | # old plug-in events |
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246 | |
95 | sub inject_event { |
247 | sub inject_event { |
96 | my $extension = shift; |
248 | my $extension = shift; |
97 | my $event_code = shift; |
249 | my $event_code = shift; |
98 | |
250 | |
99 | my $cb = $hook[$event_code]{$extension} |
251 | my $cb = $hook[$event_code]{$extension} |
… | |
… | |
141 | } |
293 | } |
142 | |
294 | |
143 | sub register { |
295 | sub register { |
144 | my ($base, $pkg) = @_; |
296 | my ($base, $pkg) = @_; |
145 | |
297 | |
146 | for my $idx (0 .. $#EVENT) { |
298 | for my $idx (0 .. $#PLUGIN_EVENT) { |
147 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
299 | if (my $ref = $pkg->can ("on_$PLUGIN_EVENT[$idx]")) { |
148 | #warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
300 | #warn "registering $PLUGIN_EVENT[$idx] hook to '$pkg'\n"; |
149 | $hook[$idx]{$base} = $ref; |
301 | $hook[$idx]{$base} = $ref; |
150 | } |
302 | } |
151 | } |
303 | } |
152 | } |
304 | } |
153 | |
305 | |
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187 | my ($pkg) = @_; |
339 | my ($pkg) = @_; |
188 | |
340 | |
189 | warn "removing extension $pkg\n"; |
341 | warn "removing extension $pkg\n"; |
190 | |
342 | |
191 | # remove hooks |
343 | # remove hooks |
192 | for my $idx (0 .. $#EVENT) { |
344 | for my $idx (0 .. $#PLUGIN_EVENT) { |
193 | delete $hook[$idx]{$pkg}; |
345 | delete $hook[$idx]{$pkg}; |
194 | } |
346 | } |
195 | |
347 | |
196 | # remove commands |
348 | # remove commands |
197 | for my $name (keys %command) { |
349 | for my $name (keys %command) { |
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343 | } |
495 | } |
344 | |
496 | |
345 | ############################################################################# |
497 | ############################################################################# |
346 | # load/save/clean perl data associated with a map |
498 | # load/save/clean perl data associated with a map |
347 | |
499 | |
348 | *on_mapclean = sub { |
500 | *cf::mapsupport::on_clean = sub { |
349 | my ($map) = @_; |
501 | my ($map) = @_; |
350 | |
502 | |
351 | my $path = $map->tmpname; |
503 | my $path = $map->tmpname; |
352 | defined $path or return; |
504 | defined $path or return; |
353 | |
505 | |
354 | unlink "$path.cfperl"; |
506 | unlink "$path.cfperl"; |
355 | }; |
507 | }; |
356 | |
508 | |
357 | *on_mapin = |
509 | *cf::mapsupport::on_swapin = |
358 | *on_mapload = sub { |
510 | *cf::mapsupport::on_load = sub { |
359 | my ($map) = @_; |
511 | my ($map) = @_; |
360 | |
512 | |
361 | my $path = $map->tmpname; |
513 | my $path = $map->tmpname; |
362 | $path = $map->path unless defined $path; |
514 | $path = $map->path unless defined $path; |
363 | |
515 | |
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370 | or return; # too new |
522 | or return; # too new |
371 | |
523 | |
372 | $map->_set_obs ($data->{obs}); |
524 | $map->_set_obs ($data->{obs}); |
373 | }; |
525 | }; |
374 | |
526 | |
375 | *on_mapout = sub { |
527 | *cf::mapsupport::on_swapout = sub { |
376 | my ($map) = @_; |
528 | my ($map) = @_; |
377 | |
529 | |
378 | my $path = $map->tmpname; |
530 | my $path = $map->tmpname; |
379 | $path = $map->path unless defined $path; |
531 | $path = $map->path unless defined $path; |
380 | |
532 | |
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397 | } else { |
549 | } else { |
398 | unlink "$path.cfperl"; |
550 | unlink "$path.cfperl"; |
399 | } |
551 | } |
400 | }; |
552 | }; |
401 | |
553 | |
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554 | attach_to_maps prio => -10000, package => cf::mapsupport::; |
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555 | |
402 | ############################################################################# |
556 | ############################################################################# |
403 | # load/save perl data associated with player->ob objects |
557 | # load/save perl data associated with player->ob objects |
404 | |
558 | |
405 | sub all_objects(@) { |
559 | sub all_objects(@) { |
406 | @_, map all_objects ($_->inv), @_ |
560 | @_, map all_objects ($_->inv), @_ |
407 | } |
561 | } |
408 | |
562 | |
409 | *on_player_load = sub { |
563 | attach_to_players |
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564 | on_load => sub { |
410 | my ($ob, $path) = @_; |
565 | my ($pl, $path) = @_; |
411 | |
566 | |
412 | for my $o (all_objects $ob) { |
567 | for my $o (all_objects $pl->ob) { |
413 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
568 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
414 | $o->set_ob_key_value ("_perl_data"); |
569 | $o->set_ob_key_value ("_perl_data"); |
415 | |
570 | |
416 | %$o = %{ Storable::thaw pack "H*", $value }; |
571 | %$o = %{ Storable::thaw pack "H*", $value }; |
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572 | } |
417 | } |
573 | } |
418 | } |
574 | }, |
419 | }; |
575 | on_save => sub { |
420 | |
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421 | *on_player_save = sub { |
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422 | my ($ob, $path) = @_; |
576 | my ($pl, $path) = @_; |
423 | |
577 | |
424 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
578 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
425 | for grep %$_, all_objects $ob; |
579 | for grep %$_, all_objects $pl->ob; |
426 | }; |
580 | }, |
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581 | ; |
427 | |
582 | |
428 | ############################################################################# |
583 | ############################################################################# |
429 | # core extensions - in perl |
584 | # core extensions - in perl |
430 | |
585 | |
431 | =item cf::player::exists $login |
586 | =item cf::player::exists $login |
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532 | } |
687 | } |
533 | |
688 | |
534 | ############################################################################# |
689 | ############################################################################# |
535 | # the server's main() |
690 | # the server's main() |
536 | |
691 | |
537 | sub run { |
692 | sub main { |
538 | Event::loop; |
693 | Event::loop; |
539 | } |
694 | } |
540 | |
695 | |
541 | ############################################################################# |
696 | ############################################################################# |
542 | # initialisation |
697 | # initialisation |
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554 | cf::server_tick; # one server iteration |
709 | cf::server_tick; # one server iteration |
555 | |
710 | |
556 | my $NOW = Event::time; |
711 | my $NOW = Event::time; |
557 | $NEXT_TICK += $TICK; |
712 | $NEXT_TICK += $TICK; |
558 | |
713 | |
559 | # if we are delayed by > 0.25 second, skip ticks |
714 | # if we are delayed by four ticks, skip them all |
560 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + .25; |
715 | $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4; |
561 | |
716 | |
562 | $TICK_WATCHER->at ($NEXT_TICK); |
717 | $TICK_WATCHER->at ($NEXT_TICK); |
563 | $TICK_WATCHER->start; |
718 | $TICK_WATCHER->start; |
564 | }, |
719 | }, |
565 | ); |
720 | ); |