1 | # |
1 | # |
2 | # This file is part of Deliantra, the Roguelike Realtime MMORPG. |
2 | # This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | # |
3 | # |
4 | # Copyright (©) 2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | # Copyright (©) 2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | # |
5 | # |
6 | # Deliantra is free software: you can redistribute it and/or modify it under |
6 | # Deliantra is free software: you can redistribute it and/or modify it under |
7 | # the terms of the Affero GNU General Public License as published by the |
7 | # the terms of the Affero GNU General Public License as published by the |
8 | # Free Software Foundation, either version 3 of the License, or (at your |
8 | # Free Software Foundation, either version 3 of the License, or (at your |
9 | # option) any later version. |
9 | # option) any later version. |
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229 | Starts with the default object - this is the object passed to the match to |
229 | Starts with the default object - this is the object passed to the match to |
230 | match against by default. Matches have an explicit C<of object> appended, |
230 | match against by default. Matches have an explicit C<of object> appended, |
231 | but submatches start at the current object, and in this case C<of object> |
231 | but submatches start at the current object, and in this case C<of object> |
232 | can be used to start at the original object once more. |
232 | can be used to start at the original object once more. |
233 | |
233 | |
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234 | =item of self |
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235 | |
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236 | Starts with the object initiating/asking for the match - this is basically |
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237 | always the object that the match expression is attached to. |
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238 | |
234 | =item of source |
239 | =item of source |
235 | |
240 | |
236 | Starts with the I<source> object - this object is sometimes passed to |
241 | Starts with the I<source> object - this object is sometimes passed to |
237 | matches and represents the object that is the source of the action, such |
242 | matches and represents the object that is the source of the action, such |
238 | as a rod or a potion when it is applied. Often, the I<source> is the same |
243 | as a rod or a potion when it is applied. Often, the I<source> is the same |
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245 | the original initiator of an action, most commonly a player or monster. |
250 | the original initiator of an action, most commonly a player or monster. |
246 | |
251 | |
247 | This object is often identical to the I<source> (e.g. when a player casts |
252 | This object is often identical to the I<source> (e.g. when a player casts |
248 | a spell, the player is both source and originator). |
253 | a spell, the player is both source and originator). |
249 | |
254 | |
250 | =item of self |
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251 | |
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252 | Starts with the object initiating/asking for the match - this is basically |
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253 | always the object that the match expression is attached to. |
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254 | |
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255 | =back |
255 | =back |
256 | |
256 | |
257 | =head2 EXPRESSIONS |
257 | =head2 EXPRESSIONS |
258 | |
258 | |
259 | Expressions used in conditions usually consist of simple boolean checks |
259 | Expressions used in conditions usually consist of simple boolean checks |
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282 | resist[ATNR_ACID] > 30 |
282 | resist[ATNR_ACID] > 30 |
283 | |
283 | |
284 | =item functions |
284 | =item functions |
285 | |
285 | |
286 | Some additional functions with or without arguments in parentheses are |
286 | Some additional functions with or without arguments in parentheses are |
287 | available. |
287 | available. They are documented in their own section, below. |
288 | |
288 | |
289 | =item { BLOCK } |
289 | =item { BLOCK } |
290 | |
290 | |
291 | You can specify perl code to execute by putting it inside curly |
291 | You can specify perl code to execute by putting it inside curly |
292 | braces. The last expression evaluated inside will become the result. |
292 | braces. The last expression evaluated inside will become the result. |
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331 | |
331 | |
332 | =item none |
332 | =item none |
333 | |
333 | |
334 | This simply evaluates to false, and simply makes matching I<never> a bit |
334 | This simply evaluates to false, and simply makes matching I<never> a bit |
335 | easier to read. |
335 | easier to read. |
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336 | |
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337 | =item archname |
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338 | |
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339 | The same as C<< { $_->arch->archname } >> - the archetype name is commonly |
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340 | used to match items, so this shortcut is provided. |
336 | |
341 | |
337 | =item has(condition) |
342 | =item has(condition) |
338 | |
343 | |
339 | True iff the object has a matching inventory object. |
344 | True iff the object has a matching inventory object. |
340 | |
345 | |
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459 | 1 |
464 | 1 |
460 | }, |
465 | }, |
461 | none => sub { |
466 | none => sub { |
462 | 0 |
467 | 0 |
463 | }, |
468 | }, |
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469 | archname => sub { |
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470 | '$_->arch->archname' |
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471 | }, |
464 | ); |
472 | ); |
465 | |
473 | |
466 | sub constant { |
474 | sub constant { |
467 | ws; |
475 | ws; |
468 | |
476 | |
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475 | die "number, string or uppercase constant name expected\n"; |
483 | die "number, string or uppercase constant name expected\n"; |
476 | } |
484 | } |
477 | |
485 | |
478 | our $flag = $cf::REFLECT{object}{flags}; |
486 | our $flag = $cf::REFLECT{object}{flags}; |
479 | our $sattr = $cf::REFLECT{object}{scalars}; |
487 | our $sattr = $cf::REFLECT{object}{scalars}; |
480 | # quick hack to support archname, untested |
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481 | $sattr->{archname} = "W"; |
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482 | our $aattr = $cf::REFLECT{object}{arrays}; |
488 | our $aattr = $cf::REFLECT{object}{arrays}; |
483 | our $lattr = $cf::REFLECT{living}{scalars}; |
489 | our $lattr = $cf::REFLECT{living}{scalars}; |
484 | |
490 | |
485 | sub expr { |
491 | sub expr { |
486 | # ws done by factor |
492 | # ws done by factor |
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725 | our %CACHE; |
731 | our %CACHE; |
726 | |
732 | |
727 | sub compile($$) { |
733 | sub compile($$) { |
728 | my ($wantarray, $match) = @_; |
734 | my ($wantarray, $match) = @_; |
729 | my $expr = parse $wantarray, $match; |
735 | my $expr = parse $wantarray, $match; |
730 | warn "MATCH DEBUG $match,$wantarray => $expr\n";#d# |
736 | # warn "MATCH DEBUG $match,$wantarray => $expr\n";#d# |
731 | $expr = eval " |
737 | $expr = eval " |
732 | package cf::match::exec; |
738 | package cf::match::exec; |
733 | sub { |
739 | sub { |
734 | my (\$object, \$self, \$source, \$originator) = \@_; |
740 | my (\$object, \$self, \$source, \$originator) = \@_; |
735 | $expr |
741 | $expr |