2021-02-25 02:15:09 +02:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
< html >
< head >
< title > The Player< / title >
< link href = "../docs-assets/Breadcrumbs.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< meta name = "viewport" content = "width=device-width initial-scale=1" >
< meta http-equiv = "Content-Type" content = "text/html; charset=utf-8" >
< meta http-equiv = "Content-Language" content = "en-gb" >
< link href = "../docs-assets/Contents.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Progress.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Navigation.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Fonts.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< link href = "../docs-assets/Base.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
2021-05-04 01:49:40 +03:00
< script >
function togglePopup(material_id) {
var popup = document.getElementById(material_id);
popup.classList.toggle("show");
}
< / script >
< link href = "../docs-assets/Popups.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
2021-02-25 02:15:09 +02:00
< link href = "../docs-assets/Colours.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
< / head >
< body class = "commentary-font" >
< nav role = "navigation" >
< h1 > < a href = "../index.html" >
< img src = "../docs-assets/Inform.png" height = 72" >
< / a > < / h1 >
< ul > < li > < a href = "../compiler.html" > compiler tools< / a > < / li >
< li > < a href = "../other.html" > other tools< / a > < / li >
< li > < a href = "../extensions.html" > extensions and kits< / a > < / li >
< li > < a href = "../units.html" > unit test tools< / a > < / li >
< / ul > < h2 > Compiler Webs< / h2 > < ul >
< li > < a href = "../inbuild/index.html" > inbuild< / a > < / li >
< li > < a href = "../inform7/index.html" > inform7< / a > < / li >
< li > < a href = "../inter/index.html" > inter< / a > < / li >
< / ul > < h2 > Inbuild Modules< / h2 > < ul >
< li > < a href = "../supervisor-module/index.html" > supervisor< / a > < / li >
< / ul > < h2 > Inform7 Modules< / h2 > < ul >
< li > < a href = "../core-module/index.html" > core< / a > < / li >
< li > < a href = "../assertions-module/index.html" > assertions< / a > < / li >
< li > < a href = "../values-module/index.html" > values< / a > < / li >
< li > < a href = "../knowledge-module/index.html" > knowledge< / a > < / li >
< li > < a href = "../imperative-module/index.html" > imperative< / a > < / li >
< li > < a href = "index.html" > < span class = "selectedlink" > runtime< / span > < / a > < / li >
< li > < a href = "../if-module/index.html" > if< / a > < / li >
< li > < a href = "../multimedia-module/index.html" > multimedia< / a > < / li >
< li > < a href = "../index-module/index.html" > index< / a > < / li >
< / ul > < h2 > Inter Modules< / h2 > < ul >
< li > < a href = "../bytecode-module/index.html" > bytecode< / a > < / li >
< li > < a href = "../building-module/index.html" > building< / a > < / li >
< li > < a href = "../codegen-module/index.html" > codegen< / a > < / li >
< / ul > < h2 > Services< / h2 > < ul >
< li > < a href = "../arch-module/index.html" > arch< / a > < / li >
< li > < a href = "../calculus-module/index.html" > calculus< / a > < / li >
< li > < a href = "../html-module/index.html" > html< / a > < / li >
< li > < a href = "../inflections-module/index.html" > inflections< / a > < / li >
< li > < a href = "../kinds-module/index.html" > kinds< / a > < / li >
< li > < a href = "../linguistics-module/index.html" > linguistics< / a > < / li >
< li > < a href = "../problems-module/index.html" > problems< / a > < / li >
< li > < a href = "../syntax-module/index.html" > syntax< / a > < / li >
< li > < a href = "../words-module/index.html" > words< / a > < / li >
< li > < a href = "../../../inweb/docs/foundation-module/index.html" > foundation< / a > < / li >
< / ul >
< / nav >
< main role = "main" >
<!-- Weave of 'The Player' generated by Inweb -->
< div class = "breadcrumbs" >
2021-05-19 00:20:35 +03:00
< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Inform7< / a > < / li > < li > < a href = "index.html" > runtime< / a > < / li > < li > < a href = "index.html#6" > Chapter 6: Completion Resources< / a > < / li > < li > < b > The Player< / b > < / li > < / ul > < / div >
2021-02-25 02:15:09 +02:00
< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > A special Inter array holds enough details about the initial situation of
the player for < span class = "extract" > < span class = "extract-syntax" > WorldModelKit< / span > < / span > to get things started.
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
2021-05-04 01:49:40 +03:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > RTPlayer::compile_generic_constants< / span > < button class = "popup" onclick = "togglePopup('usagePopup1')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup1" > Usage of < span class = "code-font" > < span class = "function-syntax" > RTPlayer::compile_generic_constants< / span > < / span > :< br / > Generic Module - < a href = "3-gm.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
2021-05-19 00:20:35 +03:00
< span class = "plain-syntax" > < / span > < a href = "6-tp.html#SP1" class = "function-link" > < span class = "function-syntax" > RTPlayer::InitialSituation_define< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > PLAYER_OBJECT_INIS_HL< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "6-tp.html#SP1" class = "function-link" > < span class = "function-syntax" > RTPlayer::InitialSituation_define< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > START_OBJECT_INIS_HL< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "6-tp.html#SP1" class = "function-link" > < span class = "function-syntax" > RTPlayer::InitialSituation_define< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > START_ROOM_INIS_HL< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 2< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "6-tp.html#SP1" class = "function-link" > < span class = "function-syntax" > RTPlayer::InitialSituation_define< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > START_TIME_INIS_HL< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 3< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "6-tp.html#SP1" class = "function-link" > < span class = "function-syntax" > RTPlayer::InitialSituation_define< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > DONE_INIS_HL< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 4< / span > < span class = "plain-syntax" > );< / span >
2021-05-04 01:49:40 +03:00
< span class = "plain-syntax" > }< / span >
2021-02-25 02:15:09 +02:00
2021-05-04 01:49:40 +03:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > RTPlayer::InitialSituation< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
2021-04-19 00:42:39 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > = < / span > < a href = "2-hrr.html#SP11" class = "function-link" > < span class = "function-syntax" > Hierarchy::find< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > INITIALSITUATION_HL< / span > < span class = "plain-syntax" > );< / span >
2021-04-17 17:28:28 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > packaging_state< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > save< / span > < span class = "plain-syntax" > = < / span > < a href = "2-ea.html#SP2" class = "function-link" > < span class = "function-syntax" > EmitArrays::begin< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_value< / span > < span class = "plain-syntax" > );< / span >
2021-05-10 11:31:35 +03:00
< span class = "plain-syntax" > < / span > < a href = "5-vrb.html#SP14" class = "function-link" > < span class = "function-syntax" > RTVariables::initial_value_as_array_entry< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > player_VAR< / span > < span class = "plain-syntax" > );< / span >
2021-04-17 17:28:28 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > start_object< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < a href = "2-ea.html#SP4" class = "function-link" > < span class = "function-syntax" > EmitArrays::numeric_entry< / span > < / a > < span class = "plain-syntax" > (0);< / span >
2021-05-08 18:22:30 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < a href = "2-ea.html#SP4" class = "function-link" > < span class = "function-syntax" > EmitArrays::iname_entry< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "5-ins.html#SP1" class = "function-link" > < span class = "function-syntax" > RTInstances::value_iname< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > start_object< / span > < span class = "plain-syntax" > ));< / span >
2021-04-17 17:28:28 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > start_room< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < a href = "2-ea.html#SP4" class = "function-link" > < span class = "function-syntax" > EmitArrays::numeric_entry< / span > < / a > < span class = "plain-syntax" > (0);< / span >
2021-05-08 18:22:30 +03:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < a href = "2-ea.html#SP4" class = "function-link" > < span class = "function-syntax" > EmitArrays::iname_entry< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "5-ins.html#SP1" class = "function-link" > < span class = "function-syntax" > RTInstances::value_iname< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > start_room< / span > < span class = "plain-syntax" > ));< / span >
2021-05-10 11:31:35 +03:00
< span class = "plain-syntax" > < / span > < a href = "5-vrb.html#SP14" class = "function-link" > < span class = "function-syntax" > RTVariables::initial_value_as_array_entry< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > time_of_day_VAR< / span > < span class = "plain-syntax" > );< / span >
2021-04-17 17:28:28 +03:00
< span class = "plain-syntax" > < / span > < a href = "2-ea.html#SP4" class = "function-link" > < span class = "function-syntax" > EmitArrays::numeric_entry< / span > < / a > < span class = "plain-syntax" > (0);< / span >
< span class = "plain-syntax" > < / span > < a href = "2-ea.html#SP6" class = "function-link" > < span class = "function-syntax" > EmitArrays::end< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > save< / span > < span class = "plain-syntax" > );< / span >
2021-04-21 14:02:18 +03:00
< span class = "plain-syntax" > < / span > < a href = "2-hrr.html#SP17" class = "function-link" > < span class = "function-syntax" > Hierarchy::make_available< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > );< / span >
2021-02-25 02:15:09 +02:00
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > RTPlayer::InitialSituation_define< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > ) {< / span >
2021-04-19 00:42:39 +03:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > = < / span > < a href = "2-hrr.html#SP11" class = "function-link" > < span class = "function-syntax" > Hierarchy::find< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > );< / span >
2021-04-17 17:28:28 +03:00
< span class = "plain-syntax" > < / span > < a href = "2-ea.html#SP2" class = "function-link" > < span class = "function-syntax" > EmitArrays::begin< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_value< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "2-emt.html#SP9" class = "function-link" > < span class = "function-syntax" > Emit::numeric_constant< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > , (< / span > < span class = "identifier-syntax" > inter_ti< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > );< / span >
2021-04-21 14:02:18 +03:00
< span class = "plain-syntax" > < / span > < a href = "2-hrr.html#SP17" class = "function-link" > < span class = "function-syntax" > Hierarchy::make_available< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > );< / span >
2021-02-25 02:15:09 +02:00
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > "Player" is set in an unusual way. That is, Inform does not compile
< / p >
< blockquote >
< p > now the player is Mr Chasuble;< / p >
< / blockquote >
< p class = "commentary" > to something like < span class = "extract" > < span class = "extract-syntax" > player = O31_mr_chasuble< / span > < / span > , as it would do for a typical
variable. It's very important that code compiled by Inform 7 doesn't do
this, because if executed it would break the invariants for < span class = "extract" > < span class = "extract-syntax" > WorldModelKit< / span > < / span >
variables about the current situation. The correct thing is always to call
the function < span class = "extract" > < span class = "extract-syntax" > ChangePlayer< / span > < / span > instead:
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > RTPlayer::player_schema< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > nonlocal_variable< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > nlv< / span > < span class = "plain-syntax" > ) {< / span >
2021-05-10 11:31:35 +03:00
< span class = "plain-syntax" > < / span > < a href = "5-vrb.html#SP9" class = "function-link" > < span class = "function-syntax" > RTVariables::set_write_schema< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > nlv< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "ChangePlayer(*2)"< / span > < span class = "plain-syntax" > );< / span >
2021-02-25 02:15:09 +02:00
< span class = "plain-syntax" > }< / span >
< / pre >
< nav role = "progress" > < div class = "progresscontainer" >
2021-05-20 23:12:08 +03:00
< ul class = "progressbar" > < li class = "progressprev" > < a href = "6-bd.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-rm.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-hrr.html" > 2< / a > < / li > < li class = "progresschapter" > < a href = "3-gm.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-enc.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-act.html" > 5< / a > < / li > < li class = "progresscurrentchapter" > 6< / li > < li class = "progresssection" > < a href = "6-bd.html" > bd< / a > < / li > < li class = "progresscurrent" > tp< / li > < li class = "progresssection" > < a href = "6-tm.html" > tm< / a > < / li > < li class = "progresschapter" > < a href = "7-scn.html" > 7< / a > < / li > < li class = "progressnext" > < a href = "6-tm.html" > ❯ < / a > < / li > < / ul > < / div >
2021-02-25 02:15:09 +02:00
< / nav > <!-- End of weave -->
< / main >
< / body >
< / html >