Changes for page Mission Director Guide
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edited by Daniel Turner
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... ... @@ -1,1 +1,1 @@ 1 -Mission Director Guide 1 +X4:X4 Documentation/X4 Game Design/0 General/Mission Director Guide - Parent
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... ... @@ -1,1 +1,0 @@ 1 -X Rebirth Wiki.Modding support.WebHome - Tags
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... ... @@ -1,10 +1,10 @@ 1 1 The Mission Director (MD) is a subsystem of the game and interprets mission scripts, which are written in an XML-based language. The Mission Director in X Rebirth and X4 is based on the MD in X3: Terran Conflict, with some major changes based on feedback from MD users.\\ 2 2 3 -An introduction to the original MD can be found in the[[(% &text-decoration: underline;" %)Egosoft forums>>url:http://forum.egosoft.com/viewtopic.php?t=196971]](%%). There is also a PDF guide for the X3 Mission Director, which is partially used as a template for this document.3 +An introduction to the original MD can be found in the[[┬á(% style="color: rgb(0,0,153);text-decoration: underline;" %)Egosoft forums>>url:http://forum.egosoft.com/viewtopic.php?t=196971]](%%). There is also a PDF guide for the X3 Mission Director, which is partially used as a template for this document. 4 4 5 5 This document is primarily supposed to be a guide for MD users (people who use the MD to develop missions or write other MD scripts), not for MD programmers (people who work on the MD engine in C++). 6 6 7 -{{ info}}The general MD scripting system is the same in XR and X4, so this guide applies to both games. However, each game has its own set of supported script features (i.e. actions, conditions and properties), so in general scripts from different games are not compatible.{{/info}}7 +{{{The general MD scripting system is the same in XR and X4, so this guide applies to both games. However, each game has its own set of supported script features (i.e. actions, conditions and properties), so in general scripts from different games are not compatible.}}} 8 8 9 9 (% id="md-scripts" %) 10 10 ... ... @@ -14,18 +14,20 @@ 14 14 15 15 MD scripts are not necessarily missions. An MD file can contain a part of a mission, multiple missions, or no mission at all, as the MD is used for more than just missions. 16 16 17 -MD files are XML files located in the game folder **md**. All XML files in that folder are loaded at game start. The file names are irrelevant, since the internally used script names are read from the XML root nodes. However, it's recommended to keep file name and internal script name identical to avoid having to look up the names.17 +MD files are XML files located in the game folder {{code}}md{{/code}}. All XML files in that folder are loaded at game start. The file names are irrelevant, since the internally used script names are read from the XML root nodes. However, itΓÇÖs recommended to keep file name and internal script name identical to avoid having to look up the names. 18 18 19 -To edit MD scripts, an XML editing tool is needed. Microsoft Visual Studio (if available) or [[Microsoft Visual Web Developer>>url:http://www.microsoft.com/express/vwd/]](%%) (for free) are highly recommended because they have pretty good support for XML schemas (XSD). The provided Mission Director schema files help you create the XML file by displaying all available tags and attributes as you edit the XML. 19 +To edit MD scripts, an XML editing tool is needed. Microsoft Visual Studio (if available) or [[(% style="color: rgb(0,0,153);text-decoration: underline;" %)Microsoft Visual Web Developer>>url:http://www.microsoft.com/express/vwd/]](%%) (for free) are highly recommended because they have pretty good support for XML schemas (XSD). The provided Mission Director schema files help you create the XML file by displaying all available tags and attributes as you edit the XML. 20 20 21 21 This functionality is only available if the schema files **md.xsd** and **common.xsd** are in the correct folder. If you are editing the XML in the game folder directly, all is well and the files are loaded from the libraries folder. However, if you are editing in a separate folder, copy those XSD files from the libraries folder directly into the folder where your XML files are located. 22 22 23 -{{info}} 24 -Even if your script is free of XSD errors, that does not mean that the script syntax is correct. For example, there are XML elements that require at least one of multiple attributes, but this requirement cannot be reflected in a schema (apart from documentation text). Please notice the XSD documentation of the elements and attributes, e.g. displayed via tooltips in Visual Studio / Visual Web Developer. Please also note additional requirements for MD cue attributes in this guide (see [[NULL|Conditions]]). 23 +{{note body="Even if your script is free of XSD errors, that does not mean that the script syntax is correct. For example, there are XML elements that require at least one of multiple attributes, but this requirement cannot be reflected in a schema (apart from documentation text). Please notice the XSD documentation of the elements and attributes, e.g. displayed via tooltips in Visual Studio / Visual Web Developer. Please also note additional requirements for MD cue attributes in this guide (see [[NULL|Conditions]]). 25 25 26 -To check for errors, please pay attention to in-game error messages that are produced while your script is imported, and run-time errors while the script runs. The XSD files can help you a lot, but you should not rely on the absence of XSD errors." 27 -{{/info}} 25 +To check for errors, please pay attention to in-game error messages that are produced while your script is imported, and run-time errors while the script runs. The XSD files can help you a lot, but you should not rely on the absence of XSD errors."/}} 28 28 27 + 28 + 29 +(% id="categorybroken_macroanchorscript-debug-output" %) 30 + 29 29 == Script debug output == 30 30 31 31 The game can print error messages and, when enabled, also general messages. Error messages can originate from the scripting system, but also from other game sub-systems. They can be viewed in the in-game [[DebugLog>>url:https://forum.egosoft.com/viewtopic.php?t=366654]]. ... ... @@ -42,11 +42,13 @@ 42 42 43 43 The script action <debug_text> can be used to print debug messages from within a script.\\ 44 44 47 +(% id="md-script-structure" %) 48 + 45 45 = MD script structure = 46 46 47 47 In this section we will look at how to start the whole process by creating a new MD mission file and the basic steps in producing mission content with XML code. There will be a description of the key elements of the mission file. 48 48 49 -The XML root node of an MD file is called "mdscript"and looks like this:53 +The XML root node of an MD file is called ΓÇ£mdscriptΓÇ¥ and looks like this: 50 50 51 51 {{code language="xml"}} 52 52 <?xml version="1.0" encoding="utf-8"?> ... ... @@ -53,7 +53,7 @@ 53 53 <mdscript name="ScriptName" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="md.xsd"> 54 54 {{/code}} 55 55 56 - "ScriptName"is the name used for this script regardless of the file name. It **has to start with an upper case letter and must be unique** among all MD script names. It also should not contain spaces, so other MD scripts can use it as an identifier to access this script's contents easily.60 +ΓÇ£ScriptNameΓÇ¥ is the name used for this script regardless of the file name. It **has to start with an upper case letter and must be unique** among all MD script names. It also should not contain spaces, so other MD scripts can use it as an identifier to access this scriptΓÇÖs contents easily. 57 57 58 58 The only allowed sub-node of <mdscript> is <cues>, which can only contain <cue> sub-nodes: 59 59 ... ... @@ -69,6 +69,10 @@ 69 69 </mdscript> 70 70 {{/code}} 71 71 76 +┬á 77 + 78 +(% id="categorybroken_macroanchorcues" %) 79 + 72 72 == Cues == 73 73 74 74 Cues are the main ingredient of an MD script. A cue consists of a set of **conditions** and a set of **actions**. When the conditions are met, the cue is activated and the actions are performed. A cue can have child cues, or **sub-cues**: A sub-cue exists only when its parent cue has become active, so the activation of the parent cue initiates the condition checks of its child cues. ... ... @@ -86,7 +86,7 @@ 86 86 87 87 \\ 88 88 89 -{{ info}}There can be a delay between the activation and performing the actions if the<delay>tag is used. In this case, sub-cues will be enter the waiting state before the parent's actions are performed.{{/info}}97 +{{note body="There can be a delay between the activation and performing the actions if the <delay> tag is used. In this case, sub-cues will be enter the waiting state before the parent's actions are performed.<br />"/}} 90 90 91 91 This is how a cue node looks like: 92 92 ... ... @@ -104,6 +104,10 @@ 104 104 105 105 The rules for naming cues is the same for MD script names: The name **starts with an upper case letter**, and has to be **unique within this file**. So it is actually possible to use the same cue name in different scripts, which is different from the MD in X3. 106 106 115 +\\ 116 + 117 +(% id="categorybroken_macroanchorconditions" %) 118 + 107 107 == Conditions == 108 108 109 109 The <conditions> node can contain one or multiple conditions, all of which must be met to activate the cue. If the node is missing, the cue will become active unconditionally. The conditions are checked in sequence, and if a check fails, the following conditions are ignored. There are two types of conditions: Events and non-event conditions. ... ... @@ -110,7 +110,7 @@ 110 110 111 111 **Non-event conditions** are checked either once or repeatedly in a fixed interval. They may be based on simple values or ranges, such as a particular in-game time having been reached or the player having a certain amount of money. They may also be based on more complex player information, such as what ships they own, whether the player is in a particular area or near a particular object. 112 112 113 -**Event conditions** are triggered when the corresponding event happens, such as the event that a particular object has been targeted, attacked or destroyed. All event nodes have the prefix "event_"so you can easily determine a condition type. After an event condition you can specify one or more non-event conditions, which will be checked additionally whenever the event happens. If a condition uses an event, it must be in the first sub-node of the <conditions> node. It is even possible to define multiple alternative events that should activate the cue. The first sub-node should be <check_any> in this case, so only one of its sub-conditions has to be met.125 +**Event conditions** are triggered when the corresponding event happens, such as the event that a particular object has been targeted, attacked or destroyed. All event nodes have the prefix ΓÇ£event_ΓÇ¥ so you can easily determine a condition type. After an event condition you can specify one or more non-event conditions, which will be checked additionally whenever the event happens. If a condition uses an event, it must be in the first sub-node of the <conditions> node. It is even possible to define multiple alternative events that should activate the cue. The first sub-node should be <check_any> in this case, so only one of its sub-conditions has to be met. 114 114 115 115 Example for an event condition: 116 116 ... ... @@ -150,11 +150,11 @@ 150 150 151 151 If a cue has a <conditions> node without any event, it must have one of the attributes //**onfail**// or //**checkinterval**//. 152 152 153 -* Use //onfail// if the conditions should be checked only once. The possible attribute values are "//cancel//"and"//complete//". If the conditions are met, the cue will activate and perform the cue actions. Otherwise it's a failure and the cue will be cancelled or completed, based on the onfail attribute. Typically //onfail="cancel"// is used to prevent any further action. //onfail="complete"// can be used to continue with the sub-cues even in case of failure (but skipping the current cue actions).\\165 +* Use //onfail// if the conditions should be checked only once. The possible attribute values are ΓÇ£//cancel//ΓÇ¥ and ΓÇ£//complete//ΓÇ¥. If the conditions are met, the cue will activate and perform the cue actions. Otherwise it's a failure and the cue will be cancelled or completed, based on the onfail attribute. Typically //onfail="cancel"// is used to prevent any further action. //onfail="complete"// can be used to continue with the sub-cues even in case of failure (but skipping the current cue actions).\\ 154 154 155 155 156 156 157 -* With //checkinterval//, you can specify a constant time interval between condition checks. The conditions will be checked regularly forever until they are met, unless the cue 's state is changed explicitly by an external event.169 +* With //checkinterval//, you can specify a constant time interval between condition checks. The conditions will be checked regularly forever until they are met, unless the cueΓÇÖs state is changed explicitly by an external event. 158 158 159 159 Additionally, you can use the attribute **checktime** to set the time of the first condition check (also possible in combination with //onfail//). The //checktime// can be an expression with variables and is evaluated when the cue is enabled (when the condition checks would normally start ΓÇô for root cues that happens at game start, otherwise after the parent cue becomes active). 160 160 ... ... @@ -180,12 +180,18 @@ 180 180 181 181 The attributes //onfail//, //checkinterval//, //checktime// are not allowed for cues with event conditions. 182 182 195 +\\ 183 183 184 184 185 -{{info}} 186 -**Reminder** 187 -When using an XSD-capable editor, it's a great help, but you cannot rely on that alone to verify correctness. Please also check the documentation and look for errors in the game debug output. Concretely, the schema cannot tell whether the above cue attributes are used correctly.{{/info}} 188 188 199 +{{note body="Reminder: When using an XSD-capable editor, it's a great help, but you cannot rely on that alone to verify correctness. Please also check the documentation and look for errors in the game debug output. Concretely, the schema cannot tell whether the above cue attributes are used correctly."/}} 200 + 201 + 202 + 203 +\\ 204 + 205 +(% id="actions" %) 206 + 189 189 == Actions == 190 190 191 191 The <actions> node contains the actions that are performed one after another, without any delay inbetween. You can enforce a delay after activation of the cue and actual action performance, using a <delay> node right before the <actions>: ... ... @@ -200,7 +200,7 @@ 200 200 <event_cue_completed cue="parent"/> 201 201 {{/code}} 202 202 203 -<actions> is optional. Leaving it out may be useful if you only want to enable sub-cues after the cue 's condition check. The state transition from active to complete will still take the <delay> node into account.221 +<actions> is optional. Leaving it out may be useful if you only want to enable sub-cues after the cueΓÇÖs condition check. The state transition from active to complete will still take the <delay> node into account. 204 204 205 205 Note that the MD script language is not designed as a programming language. The actions are performed in sequence, although they can be nested to form more complex structures. Loops and conditionals exist to some extent, but not necessarily in the sense that a programmer might expect. Analogously to <check_all> and <check_any>, you can use **<do_all>** to perform all the contained sub-node actions, and **<do_any>** to perform only one of them. <do_all> is particularly useful when nested in a <do_any>. 206 206 ... ... @@ -218,7 +218,7 @@ 218 218 219 219 220 220 221 -{{ info}}Messages printed with<debug_text>are usually only visible when the"scripts"debug filter is enabled, see Script debug output{{/info}}239 +{{note body="Messages printed with <debug_text> are usually only visible when the ΓÇ£scriptsΓÇ¥ debug filter is enabled, see [[NULL|Script debug output]]."/}} 222 222 223 223 224 224 ... ... @@ -230,11 +230,17 @@ 230 230 231 231 Every action can have a //**chance**// attribute, if you only want it to be performed with that chance, given as percentage. Otherwise it will simply be skipped. If chance is used on a conditional action such as <do_if>, the script will behave as if the condition check failed. 232 232 251 +\\ 252 + 253 +┬á 254 + 255 +(% id="libraries" %) 256 + 233 233 = Libraries = 234 234 235 235 Libraries are cues which are not created directly but only serve as templates for other cues. This allows for modularisation, so you can re-use library cues in many different missions. 236 236 237 -{{ info}}The syntax of libraries is considerably different from the syntax in the MD of X3TC.{{/info}}261 +{{note body="<span style=~"color: rgb(0,0,0);~">The syntax of libraries is considerably different from the syntax in the MD of X3TC."/}} 238 238 239 239 240 240 ... ... @@ -247,7 +247,7 @@ 247 247 </library> 248 248 {{/code}} 249 249 250 -Although it is called library, it 's basically just a cue that doesn't do anything. You can mix cues and libraries as you want, as root cues or sub-cues - the location within the file is unimportant. All that counts is the library name, which has to be unique within the MD script, like all other cue names.274 +Although it is called library, itΓÇÖs basically just a cue that doesnΓÇÖt do anything. You can mix cues and libraries as you want, as root cues or sub-cues - the location within the file is unimportant. All that counts is the library name, which has to be unique within the MD script, like all other cue names. 251 251 252 252 To use a library, use the attribute ref: 253 253 ... ... @@ -288,18 +288,21 @@ 288 288 {{/code}} 289 289 290 290 291 -{{warning}}These examples are definitely <u>not</u> examples of good scripting style.{{/warning}} 292 292 316 +{{warning body="These examples are definitely <u>not</u> examples of good scripting style."/}} 293 293 294 294 295 -So when writing the library, you don't have to worry about name confusion, just use the names of cues in your library and it will work as expected when the library is used. Names of cues that do not belong to the library will not be available in expressions (see Foo in the example above), however, names of other libraries in the file are available when referencing them in the ref attribute. 296 296 320 +So when writing the library, you donΓÇÖt have to worry about name confusion, just use the names of cues in your library and it will work as expected when the library is used. Names of cues that do not belong to the library will not be available in expressions (see Foo in the example above), however, names of other libraries in the file are available when referencing them in the ref attribute. 321 + 297 297 Notes: 298 298 299 299 * It is //not// possible to directly call a cue which is 'inside' the library from 'outside' of the library, but it is possible to signal the library ref itself (possibly with parameters) and have a sub-cue inside the library listen to the signal on the library ref (possibly checking the parameters). 300 300 * You //can// access variables in the library root but generally this should be avoided in favor of parameterizing the library! 301 -** there are some cases where you do want to access these variables directly, for example for maintaining savegame compatibility when patching. (% id="library-parameters" %)326 +** there are some cases where you do want to access these variables directly, for example for maintaining savegame compatibility when patching. 302 302 328 +(% id="library-parameters" %) 329 + 303 303 == Library Parameters == 304 304 305 305 A library can be parametrised, so that it can be adapted to the needs of a missions that uses it. You can define required and/or optional parameters for a library, and it will be validated at load time that the user of the library has provided all required parameters. ... ... @@ -317,7 +317,7 @@ 317 317 </library> 318 318 {{/code}} 319 319 320 -If a default value is supplied, the parameter is regarded as optional, otherwise it 's required. When providing the actual parameters in a referencing cue, note that there is no <params> node:347 +If a default value is supplied, the parameter is regarded as optional, otherwise itΓÇÖs required. When providing the actual parameters in a referencing cue, note that there is no <params> node: 321 321 322 322 {{code language="xml"}} 323 323 <cue name="Foo" ref="Lib"> ... ... @@ -326,7 +326,7 @@ 326 326 </cue> 327 327 {{/code}} 328 328 329 -The values (including default values) can be variable expressions and will be evaluated when the cue is enabled, i.e. when it starts checking the conditions. They will be available to the cue as variables, using the parameter name with a ΓÇÿ$ 'prefix. In the example above, the variables $foo, $bar, and $baz would be created.356 +The values (including default values) can be variable expressions and will be evaluated when the cue is enabled, i.e. when it starts checking the conditions. They will be available to the cue as variables, using the parameter name with a ΓÇÿ$ΓÇÖ prefix. In the example above, the variables $foo, $bar, and $baz would be created. 330 330 331 331 {{code language="xml"}} 332 332 <library name="Lib"> ... ... @@ -341,29 +341,38 @@ 341 341 342 342 If your library is supposed to provide a result to the library user, it is recommended to store a predefined variable in the library cue with a standardised name, e.g. $result. The user will be able to read it via CueName.$result. This variable does not have to be defined as a parameter but should be documented in the library. 343 343 371 +\\ 372 + 373 +(% id="instantiation" %) 374 + 344 344 = Instantiation = 345 345 346 -One of the possible cue attributes is //**instantiate**//. If you set it to true, this changes what happens when a cue's conditions are met. Normally, if a cue is not instantiated, the cue's actions are run (taking a delay node into account) and the cue is marked as completed. But with **instantiate'//, a// **copy of the cue** (and all its sub-cues) is made when the conditions are met, and it is this copy in which the actions are performed and it is the copy whose status is set to complete when they are finished - this means that the original cue (the so-called **static cue**) remains in the //waiting// state, and if the conditions are met again then the whole thing happens all over again.** 347 -\\An instantiating cue should only be used with conditions that are only going to be met once (or a fairly limited number of times), or with conditions that include an event condition. Instantiation should not be used in a cue which, say, just depends on the game time being greater than a specific value as this will result in a copy of the cue being made after each check interval, which could increase memory usage a lot. The most common use of an instantiated cue is in responding to events such as the player ship changing sector, to react every time that event happens. 377 +One of the possible cue attributes is //**instantiate**//. If you set it to true, this changes what happens when a cue's conditions are met. Normally, if a cue is (% style="color: rgb(0,0,0);text-decoration: underline;" %)not instantiated, the cue's actions are run (taking a delay node into account) and the cue is marked as completed. But with **instantiate'//, a// **copy of the cue** (and all its sub-cues) is made when the conditions are met, and it is this copy in which the actions are performed and it is the copy whose status is set to complete when they are finished - this means that the original cue (the so-called **static cue**) remains in the //waiting// state, and if the conditions are met again then the whole thing happens all over again.** 378 +\\An instantiating cue should only be used with conditions that are only going to be met once (or a fairly limited number of times), or with conditions that include an event condition. Instantiation should (% style="color: rgb(0,0,0);text-decoration: underline;" %)not be used in a cue which, say, just depends on the game time being greater than a specific value as this will result in a copy of the cue being made after each check interval, which could increase memory usage a lot. The most common use of an instantiated cue is in responding to events such as the player ship changing sector, to react every time that event happens. 348 348 \\Instances that are created via //instantiate// are called **instantiated cues**. But sub-cues of instances are also instances (**sub-instances**) - they are created when they enter the waiting state. An instance is removed again (thereby freeing its memory) when it is complete or cancelled, and when all its instance sub-cues have been removed before. The simplest case is an instantiating cue with no sub-cues: The instance is created, the actions are performed, and the instance is removed immediately on completion. A pitfall could be an instance with a sub-cue that is forever in the waiting state (e.g. waiting for an event from an already destroyed object). It can never be removed, so you should clean up such a cue yourself, e.g. by cancelling it explicitly. 380 +\\\\\\\\\\(% id="cleaning-up-instances-explicitly" %) 349 349 350 350 == Cleaning up instances explicitly == 351 351 352 -Cancelling a cue with **<cancel_cue>** also cancels all its sub-cues, and cancelling a static cue stops it from instantiating more cues - but it does not cancel its instances. Resetting a cue with **<reset_cue>** resets both sub-cues and instantiated cues, but has the (desired) side effect that condition checks will start again if the parent cue 's state allows it. Even a sub-instance that has been reset can return to the //waiting// state. Resetting an instantiated cue will stop it forever, because it is not supposed to be in the //waiting// state (only its static cue is). Resetting will also induce the clean-up reliably, but keep in mind that this is not the case for instance sub-cues.384 +Cancelling a cue with **<cancel_cue>** also cancels all its sub-cues, and cancelling a static cue stops it from instantiating more cues - but it does not cancel its instances. Resetting a cue with **<reset_cue>** resets both sub-cues and instantiated cues, but has the (desired) side effect that condition checks will start again if the parent cueΓÇÖs state allows it. Even a sub-instance that has been reset can return to the //waiting// state. Resetting an instantiated cue will stop it forever, because it is not supposed to be in the //waiting// state (only its static cue is). Resetting will also induce the clean-up reliably, but keep in mind that this is not the case for instance sub-cues. 353 353 354 -{{info }}<cancel_cue>and<reset_cue>only take effect after all remaining actions of the current cue are performed. So you can even safely cancel the cue that you are currently in (keyword"'''this'''") or any ancestor cue, and still perform more actions afterwards.{{/info}}386 +{{info body="<cancel_cue> and <reset_cue> only take effect after all remaining actions of the current cue are performed. So you can even safely cancel the cue that you are currently in (keyword ΓÇ£'''this'''ΓÇ¥) or any ancestor cue, and still perform more actions afterwards."/}} 355 355 388 + 389 + 390 +(% id="access-to-instances" %) 391 + 356 356 == Access to instances == 357 357 358 358 359 359 360 -{{ info}}This sub-section requires basic knowledge of script expressions.{{/info}}396 +{{note body="This sub-section requires basic knowledge of [[NULL|script expressions]]."/}} 361 361 362 362 363 363 364 364 In case of instances with sub-instances, you will often want to access a related instance from the current one. Like in the non-instance case, you can simply write the cue name in an expression to reference that cue. However, you should be aware of the pitfalls that are accompanied by this. 365 365 366 -When you use a cue name from the same script in an expression, it will always be resolved to some cue - usually a static cue, even if it is still in the disabled state, but it can also be an instance, if it is "related"to the current one.402 +When you use a cue name from the same script in an expression, it will always be resolved to some cue - usually a static cue, even if it is still in the disabled state, but it can also be an instance, if it is ΓÇ£relatedΓÇ¥ to the current one. 367 367 368 368 Related means that this cue and the referenced cue have a common ancestor instance, and the referenced cue is a direct (non-instantiated) descendant of that common ancestor. 369 369 ... ... @@ -376,11 +376,11 @@ 376 376 Example situations: 377 377 378 378 * In the static tree: Cue names in expressions are always resolved to the static cues. 379 -* In the inst-2 tree: "SubBar"in an expression will be resolved to SubBar (inst 2).380 -* In the inst-1 tree: "SubBar"in an expression will be resolved to SubBar (static) (!) because the SubBar child of Bar (inst 1) does not exist yet, or not any more.381 -* In the inst-2a tree: "SubBaz"in an expression will be resolved to SubBaz (inst 2a)382 -* In the inst-2a tree: "Bar"in an expression will be resolved to Bar (inst 2) because Foo (inst 2) is a common ancestor.383 -* In the inst-2 tree: "SubBaz"in an expression will be resolved to SubBaz (static) (!) because SubBaz (inst 2a) is **not** a direct descendant of the common ancestor Foo (inst 2), instead Baz (inst 2a) has been instantiated.415 +* In the inst-2 tree: ΓÇ£SubBarΓÇ¥ in an expression will be resolved to SubBar (inst 2). 416 +* In the inst-1 tree: ΓÇ£SubBarΓÇ¥ in an expression will be resolved to SubBar (static) (!) because the SubBar child of Bar (inst 1) does not exist yet, or not any more. 417 +* In the inst-2a tree: ΓÇ£SubBazΓÇ¥ in an expression will be resolved to SubBaz (inst 2a) 418 +* In the inst-2a tree: ΓÇ£BarΓÇ¥ in an expression will be resolved to Bar (inst 2) because Foo (inst 2) is a common ancestor. 419 +* In the inst-2 tree: ΓÇ£SubBazΓÇ¥ in an expression will be resolved to SubBaz (static) (!) because SubBaz (inst 2a) is **not** a direct descendant of the common ancestor Foo (inst 2), instead Baz (inst 2a) has been instantiated. 384 384 385 385 In expressions, you can use the cue property **static** to access the static cue that instantiated a cue. This does not work for sub-cues of other cues, and the result is not necessarily a real static cue! In the example above, it would only work for cues with a dotted arrow pointing at them, and is resolved to the source of the arrow. In other cases the result is null. 386 386 ... ... @@ -390,6 +390,10 @@ 390 390 391 391 You can store cue references in variables. But when storing an instance cue in a variable, and later accessing that variable, be aware that the instance may not exist any more. Use the property **exists** to check if an instance is still alive. (In contrast, non-instance cues always exist, but may be in the //disabled// or //cancelled// state.) 392 392 429 +\\ 430 + 431 +(% id="pitfalls" %) 432 + 393 393 == Pitfalls == 394 394 395 395 Some additional common pitfalls with respect to instantiation are listed here. There may be more. ... ... @@ -396,30 +396,32 @@ 396 396 397 397 * **Conditions with results:** If the instantiating cue has conditions with results, those results are stored in variables - but in the variables of the static cue, not of the instance! So in the <actions> you have to access the variables via the **static **keyword:\\ 398 398 399 -{{code language="xml"}} 400 - <debug_text text="static.$foo"/> 401 -{{/code}} 402 -It may even be necessary to copy the variables over to the instance because the static variables can be overwritten by the next condition check: 403 -{{code language="xml"}} 404 -<set_value name="$foo" exact="static.$foo"/> 405 -{{/code}} 439 +{{code}}<debug_text┬átext="static.$foo"/>{{/code}}(% style="color: rgb(0,0,255);text-decoration: none;" %) 440 +\\It may even be necessary to copy the variables over to the instance because the static variables can be overwritten by the next condition check: 441 +\\{{code}}<set_value┬áname="$foo"┬áexact="static.$foo"/>{{/code}} 406 406 407 -* **Resetting completed/cancelled instances:** As explained above, sub-instances are only created when needed (when going to the //waiting// state) and are destroyed when they are not needed any more (when they are completed or cancelled, including all sub-cues). There are cases in which you want to access cues that don 't exist any more - it simply doesn't work. In some cases you are safe: You can be sure that all your ancestors exist, and instantiating cues won't be removed until they are cancelled. In some other cases you simply don't know and have to check if the instance is already (or still) there.408 -* **Lifetime of instances:** Do not make assumptions about when an instance is removed! Just looking at it in the Debug Manager keeps it alive for the time being. So, sometimes you could still have a completed instance that wouldn 't exist under other circumstances.443 +* **Resetting completed/cancelled instances:** As explained above, sub-instances are only created when needed (when going to the //waiting// state) and are destroyed when they are not needed any more (when they are completed or cancelled, including all sub-cues). There are cases in which you want to access cues that donΓÇÖt exist any more - it simply doesnΓÇÖt work. In some cases you are safe: You can be sure that all your ancestors exist, and instantiating cues wonΓÇÖt be removed until they are cancelled. In some other cases you simply donΓÇÖt know and have to check if the instance is already (or still) there. 444 +* **Lifetime of instances:** Do not make assumptions about when an instance is removed! Just looking at it in the Debug Manager keeps it alive for the time being. So, sometimes you could still have a completed instance that wouldnΓÇÖt exist under other circumstances. 409 409 446 +┬á 447 + 448 +(% id="categorybroken_macroanchorexpressions" %) 449 + 410 410 = Expressions = 411 411 412 -Most of the attribute values in actions and conditions are interpreted as script expressions and parsed accordingly. An expression is a phrase that can be evaluated to a single value. The simplest expressions are actual numeric values and strings, so called **literals:** 452 +Most of the attribute values in actions and conditions are interpreted as script expressions and parsed accordingly. An expression is a phrase that can be evaluated to a single value. The simplest expressions are actual numeric values and strings, so called **literals:**\\ 413 413 454 + 455 + 414 414 * {{code}}0{{/code}} (integer number) 415 415 * {{code}}0772{{/code}} (leading 0 means octal integer number) 416 416 * {{code}}3.14159{{/code}} (floating point number) 417 -* {{code}}5e12{{/code}} (float in exponent notation, "times ten to the power of")459 +* {{code}}5e12{{/code}} (float in exponent notation, ΓÇ£times ten to the power ofΓÇ¥) 418 418 * {{code}}0xCAFE{{/code}} (hexadecimal integer number) 419 419 420 420 421 421 422 -{{ info}}Since octal numbers are hardly ever used (usually unknowingly), the parser is will produce a warning if an octal number is encountered."{{/info}}464 +{{note body="Since octal numbers are hardly ever used (usually unknowingly), the parser is will produce a warning if an octal number is encountered."/}} 423 423 424 424 425 425 ... ... @@ -431,11 +431,17 @@ 431 431 432 432 433 433 434 -{{ info}}Since expressions are written in XML attribute values, you have to use the single quotes inside the double quotes for the actual attribute value. To write characters like '''<>"&''' in an expression string (or anywhere else in an XML attribute value), you'll have to escape them as '''< > " &''' respectively. The backslash '''\''' can be used in strings for escape characters like in C/C++. Most important are '''\'''' for a single quote as part of the string, and '''\\''' for the backslash itself.{{/info}}476 +{{note body="Since expressions are written in XML attribute values, you have to use the single quotes inside the double quotes for the actual attribute value. To write characters like '''< > " &''' in an expression string (or anywhere else in an XML attribute value), youΓÇÖll have to escape them as '''&lt; &gt; &quot; &amp;''' respectively. The backslash '''\''' can be used in strings for escape characters like in C/C++. Most important are '''\'''' for a single quote as part of the string, and '''\\''' for the backslash itself."/}} 435 435 478 + 479 + 480 +\\ 481 + 482 +(% id="numeric-data-types-and-suffixes" %) 483 + 436 436 == Numeric data types and suffixes == 437 437 438 -Numbers can have a suffix that determines their numeric type. There are also numerical data types like "money"or"time"which can only be expressed by using an appropriate unit suffix:486 +Numbers can have a suffix that determines their numeric type. There are also numerical data types like ΓÇ£moneyΓÇ¥ or ΓÇ£timeΓÇ¥ which can only be expressed by using an appropriate unit suffix: 439 439 440 440 * {{code}}5000000000L{{/code}} (large integer) 441 441 * {{code}}1f{{/code}} (floating point number, same as 1.0, just 1 would be an integer) ... ... @@ -448,8 +448,14 @@ 448 448 449 449 Here is the complete list of numeric data types and corresponding unit suffixes: 450 450 499 +\\ 500 + 451 451 (% style="margin-left: 0.0px;" %) 452 452 ((( 503 +\\ 504 + 505 + 506 + 453 453 |Data type|Suffix|Examples|Description 454 454 |null|(none)|null|Converted to non-null data type of value 0 when needed. 455 455 |integer|i|42|32-bit signed integer. Default for integer literals, so the suffix is not required for them. ... ... @@ -483,14 +483,26 @@ 483 483 \\24h|Time in milliseconds, seconds, minutes, or hours, respectively. A time value is always stored in seconds. 484 484 ))) 485 485 486 -{{ info}}All unit data types are floating point types, except for money, which is an integer data type.{{/info}}540 +{{note body="All unit data types are floating point types, except for money, which is an integer data type."/}} 487 487 542 +\\ 543 + 544 + 545 + 546 +(% id="categorybroken_macroanchoroperators" %) 547 + 488 488 == Operators == 489 489 490 -You can build expressions by combining sub-expressions with operators. For Boolean operations, expressions are considered "false"if they are equal to zero,"true"otherwise. The following operators, delimiters, and constants are supported550 +You can build expressions by combining sub-expressions with operators. For Boolean operations, expressions are considered ΓÇ£falseΓÇ¥ if they are equal to zero, ΓÇ£trueΓÇ¥ otherwise. The following operators, delimiters, and constants are supported: 491 491 552 +\\ 553 + 492 492 (% style="margin-left: 0.0px;" %) 493 493 ((( 556 +\\ 557 + 558 + 559 + 494 494 |Operator / Delimiter / Constant|Type|Example|Result of example|Description 495 495 |null|constant|{{code}}null + 1{{/code}}|{{code}}1{{/code}}|Null value, see above 496 496 |false|constant|{{code}}1 == 0{{/code}}|{{code}}false{{/code}}|Integer value 0, useful in Boolean expressions ... ... @@ -538,24 +538,24 @@ 538 538 |-|binary|{{code}}1 - 1{{/code}}|{{code}}0{{/code}}|Subtraction 539 539 | 540 540 lt 541 -\\ <(<)|binary|607 +\\< (<)|binary| 542 542 {{code}}1 lt 3{{/code}} 543 -\\{{code}}1 < 3{{/code}}|{{code}}true{{/code}}|Less than 609 +\\{{code}}1 &lt; 3{{/code}}|{{code}}true{{/code}}|Less than 544 544 | 545 545 le 546 -\\ <=|binary|612 +\\<=|binary| 547 547 {{code}}1 le 3{{/code}} 548 -\\{{code}}1 <= 3{{/code}}|{{code}}true{{/code}}|Less than or equal to 614 +\\{{code}}1 &lt;= 3{{/code}}|{{code}}true{{/code}}|Less than or equal to 549 549 | 550 550 gt 551 -\\ >(>)|binary|617 +\\> (>)|binary| 552 552 {{code}}1 gt 3{{/code}} 553 -\\{{code}}1 > 3{{/code}}|{{code}}false{{/code}}|Greater than 619 +\\{{code}}1 &gt; 3{{/code}}|{{code}}false{{/code}}|Greater than 554 554 | 555 555 ge 556 -\\ >=|binary|622 +\\>=|binary| 557 557 {{code}}1 ge 3{{/code}} 558 -\\{{code}}1 >= 3{{/code}}|{{code}}false{{/code}}|Greater than or equal to 624 +\\{{code}}1 &gt;= 3{{/code}}|{{code}}false{{/code}}|Greater than or equal to 559 559 |((( 560 560 = = 561 561 )))|binary|{{code}}1 + 1 == 2.0{{/code}}|{{code}}true{{/code}}|Equal to ... ... @@ -570,13 +570,20 @@ 570 570 {{code}}null{{/code}} 571 571 \\{{code}}'T'{{/code}}|Conditional operator ("inline if") 572 572 573 -)))(% id="operator-precedence-rules" %) 574 -(%%) 575 575 640 +\\ 641 + 642 + 643 +))) 644 + 645 +(% id="operator-precedence-rules" %) 646 + 576 576 === Operator precedence rules === 577 577 578 -You can group sub-expressions using parentheses, but if you don 't, the following order of operations is applied, so that 5-1+2*3 == 10 as you would expect. The order is the same as in the table above, but there are operators with the same precedence - these are applied from left to right.649 +You can group sub-expressions using parentheses, but if you donΓÇÖt, the following order of operations is applied, so that 5-1+2*3 == 10 as you would expect. The order is the same as in the table above, but there are operators with the same precedence - these are applied from left to right.\\ 579 579 651 + 652 + 580 580 * Unary operators: +, -, not, typeof, function-style operators (highest precedence) 581 581 * Power operator: ^ 582 582 * Multiplicative: *, /, % ... ... @@ -593,7 +593,7 @@ 593 593 594 594 When a binary arithmetic operator is used on numbers of different types, they will be converted to a suitable output type. The resulting type depends on whether a unit data type is involved (types that are not plain integers or floats). The following cases may occur: 595 595 596 -* Null and something else: The null value will be interpreted as "0"of the other type.669 +* Null and something else: The null value will be interpreted as ΓÇ£0ΓÇ¥ of the other type. 597 597 * Two non-unit integers: The result will be an integer of the largest involved type. 598 598 * Two non-unit numbers, not all integers: The result will be the largest involved float type. 599 599 * Non-unit and unit: The result will be the unit type. ... ... @@ -603,17 +603,17 @@ 603 603 604 604 There is a way to convert a number into a different type manually: You append the corresponding suffix to a sub-expression in parentheses, like this: 605 605 606 -* {{code}}(1 + 1)f{{/code}} ⟹{{code}}2f{{/code}}⟹{{code}}2.0{{/code}}607 -* {{code}}(1h) m / (180deg) i{{/code}} ⟹{{code}}(3600s) m / (3.14rad) i{{/code}}⟹{{code}}3600m / 3{{/code}}⟹{{code}}1200m{{/code}}679 +* {{code}}(1 + 1)f{{/code}} Γƒ╣ {{code}}2f{{/code}} Γƒ╣ {{code}}2.0{{/code}} 680 +* {{code}}(1h) m / (180deg) i{{/code}} Γƒ╣ {{code}}(3600s) m / (3.14rad) i{{/code}} Γƒ╣ {{code}}3600m / 3{{/code}} Γƒ╣ {{code}}1200m{{/code}} 608 608 609 -When converting to a non-default unit type, this means you interpret the number as in the given units: "{{code}}(1km + 500m)h{{/code}}"means that you interpret 1500m as 1500 hours, so the resulting value will be 1500x3600 seconds. (As stated above, the default unit for a length is metres.)682 +When converting to a non-default unit type, this means you interpret the number as in the given units: ΓÇ£{{code}}(1km + 500m)h{{/code}}ΓÇ¥ means that you interpret 1500m as 1500 hours, so the resulting value will be 1500x3600 seconds. (As stated above, the default unit for a length is metres.) 610 610 611 611 The division operation will be an integer division (rounding towards zero) if both operands are integers (see the example in the table above). So if you want to get a floating point result, you have to make sure that at least one of the operands is a floating point type. 612 612 613 613 Every data type can be combined with a string with the + operator, and will be converted to a string representation. That way you can also concatenate strings and numbers: 614 614 615 -* {{code}}'One plus one is equal to ' + (1+1) + '.'{{/code}} ⟹{{code}}'One plus one is equal to 2.'{{/code}}616 -* {{code}}'One plus one is not equal to ' + 1 + 1 + '.'{{/code}} ⟹{{code}}'One plus one is not equal to 11.'{{/code}}688 +* {{code}}'One plus one is equal to ' + (1+1) + '.'{{/code}} Γƒ╣ {{code}}'One plus one is equal to 2.'{{/code}} 689 +* {{code}}'One plus one is not equal to ' + 1 + 1 + '.'{{/code}} Γƒ╣ {{code}}'One plus one is not equal to 11.'{{/code}} 617 617 618 618 As you can see, operators of the same precedence (+ in this case) are always evaluated from left to right. 619 619 ... ... @@ -621,20 +621,22 @@ 621 621 622 622 === Boolean operators === 623 623 624 -Some additional notes on Boolean operators (such as and, or, not, ==): 697 +Some additional notes on Boolean operators (such as and, or, not, ==):\\ 625 625 699 + 700 + 626 626 * Of course a Boolean operation always results in true or false (integer 1 or 0). 627 -* Values of any type can be used as Boolean operands, e.g. for "and". They will be interpreted as"true"if they are **non-zero** or **non-numeric**.702 +* Values of any type can be used as Boolean operands, e.g. for ΓÇ£andΓÇ¥. They will be interpreted as ΓÇ£trueΓÇ¥ if they are **non-zero** or **non-numeric**. 628 628 * != and == can be used with any data types, even non-numeric ones. When comparing two numeric values, they are converted using the rules above. Values of non-numeric types are never equal to null, or to any other numbers. 629 -* "and"and"or"use short-circuit semantics: The right side of the operation can be skipped if the left side already determines the outcome of the operation630 -** Example:{{code}} false and $foo{{/code}} ⟹{{code}}false{{/code}} (the value of $foo is not checked at all)704 +* ΓÇ£andΓÇ¥ and ΓÇ£orΓÇ¥ use short-circuit semantics: The right side of the operation can be skipped if the left side already determines the outcome of the operation 705 +** Example:{{code}} false and $foo{{/code}} Γƒ╣ {{code}}false{{/code}} (the value of $foo is not checked at all) 631 631 * Unlike != and ==, the comparison operators <, <=, >, >= are only supported **for numeric values**, **difficulty levels**, and **attention levels**. Comparing other non-numeric values will result in an error and an undefined result. 632 -* <, <=, >, >= cannot be used in XML directly, so lt, le, gt, ge are provided as alternatives. In some cases you won 't have to use them, though - using [[range checks>>MediaWiki.NULL]] with additional XML attributes can be more readable.707 +* <, <=, >, >= cannot be used in XML directly, so lt, le, gt, ge are provided as alternatives. In some cases you wonΓÇÖt have to use them, though - using [[range checks>>MediaWiki.NULL]] with additional XML attributes can be more readable. 633 633 709 +\\ 634 634 711 +(% id="categorybroken_macroanchorstrings-and-formatting" %)== Strings and formatting 635 635 636 -(% id="categorybroken_macroanchorstrings-and-formatting" %)== Strings and formatting== 637 -(% id="categorybroken_macroanchorstrings-and-formatting" %) 638 638 639 639 {{{==}}} 640 640 ... ... @@ -645,25 +645,25 @@ 645 645 646 646 See also the section about [[value properties>>MediaWiki.NULL]]. 647 647 648 -Instead of ΓÇÿ%1 %2 %3 ', you can also use ΓÇÿ%s %s %s', which is also compatible with Lua string formatting in the UI system. However, this should only be used if you are sure that the order is the same in all supported languages. If you want to make translators aware that they can change the order of parameters, you should prefer '%1 %2 %3'.723 +Instead of ΓÇÿ%1 %2 %3ΓÇÖ, you can also use ΓÇÿ%s %s %sΓÇÖ, which is also compatible with Lua string formatting in the UI system. However, this should only be used if you are sure that the order is the same in all supported languages. If you want to make translators aware that they can change the order of parameters, you should prefer '%1 %2 %3'. 649 649 \\To get a percent character in the result string, use '%%' in the format string. 650 650 \\\\\\If you need a more sophisticated method for text substitution, try **<substitute_text>**. See the XML schema documentation for this script action. 651 651 \\**[New as of X Rebirth 4.0]** 652 652 \\ With the formatting syntax above, it is even possible to control how the parameter is formatted, using modifiers between "%" and the parameter specifier ("s" or the parameter number): 653 653 654 -* {{code}}'%,s'.[12345678]{{/code}} ⟹{{code}}'12,345,678'{{/code}} (the "," modifier shows a number with thousands separators, correctly localised)655 -* {{code}}'%.3s'.[123.4]{{/code}} ⟹{{code}}'123.400'{{/code}} (show 3 fractional digits, rounding half away from zero - decimal point correctly localised)656 -* {{code}}'%,.1s'.[12345.67]'{{/code}} ⟹{{code}}'12,345.7'{{/code}} (combination of the above)729 +* {{code}}'%,s'.[12345678]{{/code}} Γƒ╣ {{code}}'12,345,678'{{/code}} (the "," modifier shows a number with thousands separators, correctly localised) 730 +* {{code}}'%.3s'.[123.4]{{/code}} Γƒ╣ {{code}}'123.400'{{/code}} (show 3 fractional digits, rounding half away from zero - decimal point correctly localised) 731 +* {{code}}'%,.1s'.[12345.67]'{{/code}} Γƒ╣ {{code}}'12,345.7'{{/code}} (combination of the above) 657 657 658 658 Additional remarks: 659 659 660 660 * The "," and "." formatting modifiers only apply to numbers. They are ignored if used on values of other types. 661 -* 736 +* ┬áIf "," is used without "." then any fractional digits are discarded. 662 662 * "." must be followed by a single digit (0-9). In case of ".0" any fractional digits are discarded (rounding towards zero, not half away from zero). 663 663 664 664 665 665 666 -{{info body="There are also special methods to [[NULL|format money values and time values]] using the "formatted"property."/}}741 +{{info body="There are also special methods to [[NULL|format money values and time values]] using the "formatted" property."/}} 667 667 668 668 669 669 ... ... @@ -675,19 +675,19 @@ 675 675 676 676 Another example for a non-numeric value is a list: It is an ordered collection of other arbitrary values (called array or vector in other languages). It can be constructed within an expression using the [[~[~] syntax>>MediaWiki.NULL]]. It may also be generated by special actions and conditions, and there are actions that can [[insert or remove values>>MediaWiki.NULL]]. 677 677 678 -A list can contain values of arbitrary data types, even mixed in the same list - so a list can actually contain other lists. However, some of the things that you can do with lists require that all contained elements are of a certain type. The contents of a list can be accessed via properties, see the section about [[value properties>>MediaWiki.NULL]]. Lists can be empty, these are written as "[ ]".753 +A list can contain values of arbitrary data types, even mixed in the same list - so a list can actually contain other lists. However, some of the things that you can do with lists require that all contained elements are of a certain type. The contents of a list can be accessed via properties, see the section about [[value properties>>MediaWiki.NULL]]. Lists can be empty, these are written as ΓÇ£[ ]ΓÇ¥. 679 679 680 -{{ info}}When accessing a list's elements, the numbering is '''1-based''', so the first element has number 1. This is intuitive but different from 0-based numbering in most programming languages."{{/info}}755 +{{note body="When accessing a listΓÇÖs elements, the numbering is '''1-based''', so the first element has number 1. This is intuitive but different from 0-based numbering in most programming languages."/}} 681 681 682 682 683 683 684 684 Lists are stored in variables as references, so multiple variables can refer to the same **shared list**: If you change a shared list through a variable, e.g. by changing the value of an element, you change it as well for all other variables. However, the operators == and != can also be used on two distinct lists to compare their elements. 685 685 686 -{{ info}}When using<remove_from_list/>, be aware that all elements are checked and potentially removed during the action. Do not provide this action with a index lookup of that list as it may become out of bounds.761 +{{note body="When using <remove_from_list/>, be aware that all elements are checked and potentially removed during the action. Do not provide this action with a index lookup of that list as it may become out of bounds. 687 687 688 -Bad usage attempting to remove the last element of the list: <remove_from_list name="$List"exact="$List.{$List.count}"/>763 +Bad usage attempting to remove the last element of the list: <remove_from_list name="$List" exact="$List.{$List.count}"/> 689 689 690 -If you know the index, simply use <remove_value/>e.g.<remove_value name="$List.{$List.count}"/>{{/info}}765 +If you know the index, simply use <remove_value/> e.g. <remove_value name="$List.{$List.count}"/>"/}} 691 691 692 692 693 693 ... ... @@ -709,15 +709,15 @@ 709 709 710 710 These restrictions only apply to the keys, there are no restrictions for values that you assign to them. For example: 711 711 712 -* {{code language="xml"}}table[]{{/code}}⟹creates an empty table713 -* {{code language="xml"}}table[{0} = null]{{/code}}⟹creates a table that maps the number 0 to null\\787 +* {{code}}table[]{{/code}} Γƒ╣ creates an empty table 788 +* {{code}}table[{0} = null]{{/code}} Γƒ╣ creates a table that maps the number 0 to null\\ 714 714 715 715 716 716 717 -* {{code language="xml"}}table[{'$foo'} = 'bar']{{/code}}⟹a table that maps the string '$foo' to the string 'bar'718 -* {{code language="xml"}}table[$foo = 'bar']{{/code}}⟹exactly the same, just a shorter notation for string keys719 -* {{code language="xml"}}table[foo = 'bar']{{/code}}⟹error, 'foo' does not start with a '$'720 -* {{code language="xml"}}table[{1} = [], {2} = table[]] {{/code}}⟹a table that maps 1 to an empty list and 2 to an empty table\\792 +* {{code}}table[{'$foo'} = 'bar']{{/code}} Γƒ╣ a table that maps the string '$foo' to the string 'bar' 793 +* {{code}}table[$foo = 'bar']{{/code}} Γƒ╣ exactly the same, just a shorter notation for string keys 794 +* {{code}}table[foo = 'bar']{{/code}} Γƒ╣ error, 'foo' does not start with a '$' 795 +* {{code}}table[{1} = [], {2} = table[]] {{/code}} Γƒ╣ a table that maps 1 to an empty list and 2 to an empty table\\ 721 721 722 722 723 723 ... ... @@ -729,33 +729,33 @@ 729 729 730 730 == Value properties == 731 731 732 -Properties are a crucial concept in script expressions. In the previous sections you have seen mostly constant expressions, which are already evaluated when they are parsed at game start. For reading and writing variables and evaluating the game 's state, properties are used.807 +Properties are a crucial concept in script expressions. In the previous sections you have seen mostly constant expressions, which are already evaluated when they are parsed at game start. For reading and writing variables and evaluating the gameΓÇÖs state, properties are used. 733 733 734 -Numbers don 't have any properties. Lists, for example, have quite a few of them: You can access the number of elements; and each element is also a property of the list. A ship can have properties like its name, the ship class, its position etc.809 +Numbers donΓÇÖt have any properties. Lists, for example, have quite a few of them: You can access the number of elements; and each element is also a property of the list. A ship can have properties like its name, the ship class, its position etc. 735 735 736 736 You can imagine properties as key/value pairs in an associative mapping: You pass the key, and you get the value as result. For example, the list [42, null, 'text'] has the following mapping: 737 737 738 -* 1 ⟹42739 -* 2 ⟹null740 -* 3 ⟹'text'741 -* 'count' ⟹3813 +* 1 Γƒ╣ 42 814 +* 2 Γƒ╣ null 815 +* 3 Γƒ╣ 'text' 816 +* 'count' Γƒ╣ 3 742 742 743 743 As you can see, a property key can be a number or a string. Actually there is no restriction regarding the data type of the key. 744 744 745 745 You can look up a property by appending a dot and the key in curly braces: 746 746 747 -* {{code}}[100, 200, 300, 400].{1}{{/code}} ⟹100 (reading the first element)748 -* {{code}}[100, 200, ['Hello ', 'world']] .{3}.{2}{{/code}} ⟹'world' (second element of the inner list, which is the third element of the outer list)749 -* {{code}}[].{'count'}{{/code}} ⟹0750 -* {{code}}table[{21} = 42].{21}{{/code}} ⟹42\\822 +* {{code}}[100, 200, 300, 400].{1}{{/code}} Γƒ╣ 100 (reading the first element) 823 +* {{code}}[100, 200, ['Hello ', 'world']] .{3}.{2}{{/code}} Γƒ╣ 'world' (second element of the inner list, which is the third element of the outer list) 824 +* {{code}}[].{'count'}{{/code}} Γƒ╣ 0 825 +* {{code}}table[{21} = 42].{21}{{/code}} Γƒ╣ 42\\ 751 751 752 752 753 753 754 -In most cases the property key is a fixed string, like "name"or"class". You can write this like above:829 +In most cases the property key is a fixed string, like ΓÇ£nameΓÇ¥ or ΓÇ£classΓÇ¥. You can write this like above: 755 755 756 756 * {{code}}[42].{'count'}{{/code}} 757 757 * {{code}}$ship.{'name'}{{/code}} 758 -* {{code}}$ship.{'class'}{{/code}} 833 +* {{code}}$ship.{'class'}┬á{{/code}} 759 759 * {{code}}table[$foo='bar'].{'$foo'}{{/code}}\\ 760 760 761 761 ... ... @@ -769,7 +769,7 @@ 769 769 770 770 771 771 772 -(In this case, $ship is a variable. All variables start with a "$", so they cannot be confused with keywords.)847 +(In this case, $ship is a variable. All variables start with a ΓÇ£$ΓÇ¥, so they cannot be confused with keywords.) 773 773 774 774 A list has even more properties: 775 775 ... ... @@ -777,19 +777,19 @@ 777 777 778 778 **min'** and '**max'** return the minimum or maximum (all elements have to be numeric) 779 779 780 -* {{code}}[1, 6, 8].min{{/code}} ⟹1855 +* {{code}}[1, 6, 8].min{{/code}} Γƒ╣ 1 781 781 782 782 **average'** returns the average (but all element types have to be compatible) 783 783 784 -* {{code}}[1, 6, 8].average{{/code}} ⟹5859 +* {{code}}[1, 6, 8].average{{/code}} Γƒ╣ 5 785 785 786 -**indexof'** is followed by another property, and the index of the first occurence of that key in the list is returned, or 0 if it 's not in the list861 +**indexof'** is followed by another property, and the index of the first occurence of that key in the list is returned, or 0 if itΓÇÖs not in the list 787 787 788 -* {{code}}[1, 6, 8].indexof.{8}{{/code}} ⟹3863 +* {{code}}[1, 6, 8].indexof.{8}{{/code}} Γƒ╣ 3 789 789 790 790 **clone'** creates a shallow copy of the list (i.e. lists that are contained as elements in the list are not copied, only the reference to them) 791 791 792 -* {{code}}[1, 6, 8].clone{{/code}} ⟹{{code}}[1, 6, 8]{{/code}}867 +* {{code}}[1, 6, 8].clone{{/code}} Γƒ╣ {{code}}[1, 6, 8]{{/code}} 793 793 794 794 A table has different properties: 795 795 ... ... @@ -809,7 +809,7 @@ 809 809 810 810 811 811 812 -{{ info}}The string formatting syntax that you have seen [[NULL|above]] is also based on the property system. You basically pass a list as property key to a string. Braces around the brackets are not required, so 'foo'.[...] is just a convenient alternative notation for 'foo'.{[...]}.{{/info}}887 +{{note body="The string formatting syntax that you have seen [[NULL|above]] is also based on the property system. You basically pass a list as property key to a string. Braces around the brackets are not required, so 'foo'.[...] is just a convenient alternative notation for 'foo'.{[...]}."/}} 813 813 814 814 815 815 ... ... @@ -818,24 +818,24 @@ 818 818 819 819 {{{===}}} 820 820 821 -If you look up a property that does not exist, there will be an error, and the result will be null. To test whether a property exists, you can append a question mark "?"to the lookup, which yields true or false:896 +If you look up a property that does not exist, there will be an error, and the result will be null. To test whether a property exists, you can append a question mark ΓÇ£?ΓÇ¥ to the lookup, which yields true or false: 822 822 823 -* {{code}}$list.{5}{{/code}} ⟹The fifth element of a list - however, if $list has less than 5 elements (and if it's also not a table with the key 5), there will be an error824 -* {{code}}$list.{5}?{{/code}} ⟹true if $list exists and has the property 5, false otherwise825 -* {{code}}$table.$key?{{/code}} ⟹Analogously, true if $table exists and has the string property '$key'\\898 +* {{code}}$list.{5}{{/code}} Γƒ╣ The fifth element of a list - however, if $list has less than 5 elements (and if it's also not a table with the key 5), there will be an error 899 +* {{code}}$list.{5}?{{/code}} Γƒ╣ true if $list exists and has the property 5, false otherwise 900 +* {{code}}$table.$key?{{/code}} Γƒ╣ Analogously, true if $table exists and has the string property '$key'\\ 826 826 827 827 828 828 829 829 The question mark can even be applied to variables: 830 830 831 -* {{code}}$list{{/code}} ⟹The value stored under the name $list, or an error if there is no such variable832 -* {{code}}$list?{{/code}} ⟹true if the variable exists, false otherwise906 +* {{code}}$list{{/code}} Γƒ╣ The value stored under the name $list, or an error if there is no such variable 907 +* {{code}}$list?{{/code}} Γƒ╣ true if the variable exists, false otherwise 833 833 834 -To look up the value of a property although it may not exist, you can use the at-sign "@"as prefix:909 +To look up the value of a property although it may not exist, you can use the at-sign ΓÇ£@ΓÇ¥ as prefix: 835 835 836 -* {{code}}@$list.{5}{{/code}} ⟹The result of the $list lookup if $list exists and has the property 5, otherwise null (without error message)837 -* {{code}}@$list{{/code}} ⟹The list if this variable exists, null otherwise838 -* {{code}}@$list.{5}.{1}{{/code}} ⟹The first element of the fifth element of $list, if it exists, null otherwise911 +* {{code}}@$list.{5}{{/code}} Γƒ╣ The result of the $list lookup if $list exists and has the property 5, otherwise null (without error message) 912 +* {{code}}@$list{{/code}} Γƒ╣ The list if this variable exists, null otherwise 913 +* {{code}}@$list.{5}.{1}{{/code}} Γƒ╣ The first element of the fifth element of $list, if it exists, null otherwise 839 839 840 840 As you can see, an error is already prevented if any link in the property chain does not exist. But use the @ prefix with care, since error messages are really helpful for detecting problems in your scripts. The @ prefix only suppresses property-related error messages and does not change any in-game behaviour. 841 841 ... ... @@ -845,7 +845,7 @@ 845 845 846 846 === Static lookups === 847 847 848 -There are a few data types which are basically enumerations: They only consist of a set of named values, e.g. the "class"data type, which is used for the component classes that exist in the game. For all these static enumeration classes there is a lookup value of the same name, from which you can get the named values as properties by their name. So for the type"class", there is a value"class"that can be used to access the classes.923 +There are a few data types which are basically enumerations: They only consist of a set of named values, e.g. the ΓÇ£classΓÇ¥ data type, which is used for the component classes that exist in the game. For all these static enumeration classes there is a lookup value of the same name, from which you can get the named values as properties by their name. So for the type ΓÇ£classΓÇ¥, there is a value ΓÇ£classΓÇ¥ that can be used to access the classes. 849 849 850 850 Here are a few enumeration classes and corresponding example lookup values: 851 851 ... ... @@ -899,15 +899,15 @@ 899 899 \\faction.argongovernment|Factions 900 900 ))) 901 901 902 -{{ info}}With the ''typeof'' operator you can get the datatype of any expression and compare it with what you expect, for example:977 +{{note body="[[Category:Broken_macro/anchor]]With the ''typeof'' operator you can get the datatype of any expression and compare it with what you expect, for example: 903 903 904 904 <code>typeof $value == datatype.faction</code> 905 905 906 -However, you should not compare the type to datatype.string because there are strings that have different data types. To check for a string you should use the datatype's property "'''isstring'''"instead. For example, to check if the variable $value is a string, use the following term:981 +However, you should not compare the type to datatype.string because there are strings that have different data types. To check for a string you should use the datatype's property "'''isstring'''" instead. For example, to check if the variable $value is a string, use the following term: 907 907 908 -<code>(typeof $value).isstring</code>" {{/info}}983 +<code>(typeof $value).isstring</code>"/}} 909 909 910 -{{info }}There is also the datatype"tag"with the lookup name"tag"- however, this is not an enumeration type. Looking up a value by name never fails, you actually create a tag value for a given name if it does not exist. For example, if you have a typo, like"tag.mision"instead of"tag.mission", there won't be an error because any name is valid for a tag, and the tag"mision"is created on its first use."{{/info}}985 +{{info body="There is also the datatype ΓÇ£tagΓÇ¥ with the lookup name ΓÇ£tagΓÇ¥ - however, this is not an enumeration type. Looking up a value by name never fails, you actually create a tag value for a given name if it does not exist. For example, if you have a typo, like ΓÇ£tag.misionΓÇ¥ instead of ΓÇ£tag.missionΓÇ¥, there wonΓÇÖt be an error because any name is valid for a tag, and the tag ΓÇ£misionΓÇ¥ is created on its first use."/}} 911 911 912 912 \\ 913 913 ... ... @@ -917,11 +917,11 @@ 917 917 918 918 === Player properties === 919 919 920 -You can access many player-related game properties via the keyword "player":995 +You can access many player-related game properties via the keyword ΓÇ£playerΓÇ¥: 921 921 922 -* player.**name**: The player 's name997 +* player.**name**: The playerΓÇÖs name 923 923 * player.**age**: The passed in-game time since game start 924 -* player.**money**: The money in the player 's account999 +* player.**money**: The money in the playerΓÇÖs account 925 925 * player.**ship**: The ship the player is currently on (not necessarily the player's ship), or null if the player is on a station\\ 926 926 927 927 ... ... @@ -948,7 +948,7 @@ 948 948 * available 949 949 * isclass.(...) 950 950 951 -These properties will not cause errors when used on "null"or on a destroyed object (which may still be accessible from scripts in some cases), and produce null or false as results, respectively. (The keyword"available"is used for trades, not for objects. Trades can also become invalid.) However, when using such a property on a different data type like a number, there will still be an error.1026 +These properties will not cause errors when used on ΓÇ£nullΓÇ¥ or on a destroyed object (which may still be accessible from scripts in some cases), and produce null or false as results, respectively. (The keyword ΓÇ£availableΓÇ¥ is used for trades, not for objects. Trades can also become invalid.) However, when using such a property on a different data type like a number, there will still be an error. 952 952 953 953 (% id="categorybroken_macroanchormoney-and-time-formatting" %)=== Money and time formatting 954 954 ... ... @@ -958,13 +958,13 @@ 958 958 **[New as of X Rebirth 4.0]** 959 959 \\Numbers don't have any properties, except for money and time: They have a "**formatted**" property, which allows you to get a custom string representation with more advanced options than the [[generic formatting method>>MediaWiki.NULL]] for numbers. 960 960 961 -* {{code}}$money.formatted.{'formatstring'}{{/code}} 1036 +* {{code}}$money.formatted.{'formatstring'}┬á{{/code}} 962 962 * {{code}}$money.formatted.default{{/code}} (using default format string '%s')\\ 963 963 964 964 965 965 966 966 * {{code}}$time.formatted.{'formatstring'}{{/code}} 967 -* {{code}}$time.formatted.default{{/code}} (using default format string '%T') 1042 +* {{code}}$time.formatted.default{{/code}}┬á (using default format string '%T') 968 968 969 969 In scripts, money is stored in cents, not Credits. The formatted representation always shows the value in Credits, including thousands separators. 970 970 ... ... @@ -994,20 +994,20 @@ 994 994 995 995 996 996 997 -* {{code}}(1234Cr).formatted.{'%s'}{{/code}} ⟹{{code}}'1,234'{{/code}}998 -* {{code}}(1234Cr).formatted.default{{/code}} ⟹{{code}}'1,234'{{/code}} (same as {'%s'})999 -* {{code}}(1234Cr).formatted.{'%.s %Cr'}{{/code}} ⟹{{code}}'1,234.00 Cr'{{/code}}1000 -* {{code}}(1234Cr).formatted.{'%1s'}{{/code}} ⟹{{code}}'1 k'{{/code}} (rounding towards zero)1001 -* {{code}}(1234Cr).formatted.{'%cM'}{{/code}} ⟹{{code}}'0 M'{{/code}}1072 +* {{code}}(1234Cr).formatted.{'%s'}{{/code}}Γƒ╣{{code}}'1,234'{{/code}} 1073 +* {{code}}(1234Cr).formatted.default{{/code}}Γƒ╣{{code}}'1,234'{{/code}} (same as {'%s'}) 1074 +* {{code}}(1234Cr).formatted.{'%.s %Cr'}{{/code}}Γƒ╣{{code}}'1,234.00 Cr'{{/code}} 1075 +* {{code}}(1234Cr).formatted.{'%1s'}{{/code}}Γƒ╣{{code}}'1 k'{{/code}} (rounding towards zero) 1076 +* {{code}}(1234Cr).formatted.{'%cM'}{{/code}}Γƒ╣{{code}}'0 M'{{/code}} 1002 1002 1003 1003 For documentation of time format strings, see the Lua function ConvertTimeString() in the [[MediaWiki.ARCHIVE.XRWIKIModding_supportUI_Modding_supportLua_function_overview]]. 1004 1004 1005 1005 Examples: 1006 1006 1007 -* {{code}}(151s).formatted.{'%T'}{{/code}} ⟹{{code}}'00:02:31'{{/code}}1008 -* {{code}}(151s).formatted.default{{/code}} ⟹{{code}}'00:02:31'{{/code}} (same as {'%T'})1009 -* {{code}}(151s).formatted.{'%.3T'}{{/code}} ⟹{{code}}'00:02:31.000'{{/code}}1010 -* {{code}}(151s).formatted.{'%h:%M'}{{/code}} ⟹{{code}}'0:02'{{/code}}1082 +* {{code}}(151s).formatted.{'%T'}{{/code}} Γƒ╣ {{code}}'00:02:31'{{/code}} 1083 +* {{code}}(151s).formatted.default{{/code}} Γƒ╣ {{code}}'00:02:31'{{/code}} (same as {'%T'}) 1084 +* {{code}}(151s).formatted.{'%.3T'}{{/code}} Γƒ╣ {{code}}'00:02:31.000'{{/code}} 1085 +* {{code}}(151s).formatted.{'%h:%M'}{{/code}} Γƒ╣ {{code}}'0:02'{{/code}} 1011 1011 1012 1012 (% id="complete-property-documentation" %) 1013 1013 ... ... @@ -1019,26 +1019,26 @@ 1019 1019 1020 1020 1021 1021 1022 -{{ info}}scriptproperties.html has to load files from different folders, which modern browsers do not allow by default for security reasons. In order to open scriptproperties.html, the following is required:1097 +{{note body="scriptproperties.html has to load files from different folders, which modern browsers do not allow by default for security reasons. In order to open scriptproperties.html, the following is required: 1023 1023 1024 -* Firefox: On the about:config page, the value of "security.fileuri.strict_origin_policy"has to be changed to"false".1025 -* Chrome: The Chrome launcher has to be started with the command-line parameter --allow-file-access-from-files {{/info}}1099 +* Firefox: On the about:config page, the value of "security.fileuri.strict_origin_policy" has to be changed to "false". 1100 +* Chrome: The Chrome launcher has to be started with the command-line parameter --allow-file-access-from-files"/}} 1026 1026 1027 1027 1028 1028 1029 -This provides you with a complete list of all supported "base keywords"and properties. To filter in this list, you can enter an expression in the text field:1104 +This provides you with a complete list of all supported ΓÇ£base keywordsΓÇ¥ and properties. To filter in this list, you can enter an expression in the text field: 1030 1030 1031 1031 * Enter the beginning of a base keyword 1032 -* Enter $ followed by the data type you are looking for (e.g. "$ship"), as if it were a variable1033 -* To see the properties of a base keyword or data type, enter a dot ( ".")1107 +* Enter $ followed by the data type you are looking for (e.g. ΓÇ£$shipΓÇ¥), as if it were a variable 1108 +* To see the properties of a base keyword or data type, enter a dot (ΓÇ£.ΓÇ¥) 1034 1034 * After the dot, you can enter a property name 1035 -* You can also enter a dot ( ".") as first character to search globally for a property1110 +* You can also enter a dot (ΓÇ£.ΓÇ¥) as first character to search globally for a property 1036 1036 1037 1037 \\ 1038 1038 1039 1039 1040 1040 1041 -{{ info}}The documentation contains some data types that are no real script data types, but which are useful for documentation purposes. For example, ships and stations are both of datatype"component", but have different properties based on their component class.{{/info}}1116 +{{note body="The documentation contains some data types that are no real script data types, but which are useful for documentation purposes. For example, ships and stations are both of datatype ΓÇ£componentΓÇ¥, but have different properties based on their component class."/}} 1042 1042 1043 1043 1044 1044 ... ... @@ -1048,7 +1048,7 @@ 1048 1048 1049 1049 = MD refreshing and patching = 1050 1050 1051 -When a saved game is loaded, the saved MD state is restored, but also all MD files are reloaded and changes in them are applied to the MD state. This is called "refresh". It is also possible to refresh the MD at run-time using the command"refreshmd"on the in-game command line. This is a convenient way to update MD scripts while the game is already running.1126 +When a saved game is loaded, the saved MD state is restored, but also all MD files are reloaded and changes in them are applied to the MD state. This is called ΓÇ£refreshΓÇ¥. It is also possible to refresh the MD at run-time using the command ΓÇ£refreshmdΓÇ¥ on the in-game command line. This is a convenient way to update MD scripts while the game is already running. 1052 1052 1053 1053 \\ 1054 1054 ... ... @@ -1077,9 +1077,9 @@ 1077 1077 1078 1078 1079 1079 1080 -{{warning }}Be aware that completed instances can be auto-deleted, and so added sub-cues will not become active in such a case.{{/warning}}1155 +{{warning body="Be aware that completed instances can be auto-deleted, and so added sub-cues will not become active in such a case."/}} 1081 1081 1082 -{{warning }}When adding a variable in a new MD script version and using that variable in multiple places, be aware that the variable doesn't exist yet in older savegames. You may have to check the existence of the variable before accessing it, or add some patch logic that initiailses the variable after loading the savegame, if necessary.{{/warning}}1157 +{{warning body="When adding a variable in a new MD script version and using that variable in multiple places, be aware that the variable doesn't exist yet in older savegames. You may have to check the existence of the variable before accessing it, or add some patch logic that initiailses the variable after loading the savegame, if necessary."/}} 1083 1083 1084 1084 1085 1085 ... ... @@ -1091,13 +1091,13 @@ 1091 1091 1092 1092 Cues can have **<patch>** elements with actions that will be performed when an old savegame is loaded. To control which savegames should be affected, you can add a //**version **//attribute to the <cue> node and a //**sinceversion**// attribute in the patch. When a cue is loaded from a savegame that has an older version than //sinceversion//, the <patch> actions will be performed immediately after loading. 1093 1093 1094 -{{code language="xml"}}<cue"42"><conditions>[...]</conditions><actions>[...]</actions><patch"42"></patch></cue>{{/code}}1169 +{{code}}<cue┬á[...] version="42">┬á <conditions> [...] </conditions>┬á <actions> [...] </actions>┬á <patch┬ásinceversion="42">┬á┬á┬á [patch actions]┬á </patch></cue>{{/code}} 1095 1095 1096 -The patch actions are only performed if the cue is in a certain state, "complete"by default. Use the //**state**// attribute to change this requirement. For more information, see the XML schema documentation of the <patch> element.1171 +The patch actions are only performed if the cue is in a certain state, ΓÇ£completeΓÇ¥ by default. Use the //**state**// attribute to change this requirement. For more information, see the XML schema documentation of the <patch> element. 1097 1097 1098 1098 A sequence of multiple <patch> elements is possible. They will be performed in order of appearance, checking the //sinceversion// and //state// attributes in each case. Patches are also applied to all users of a library and to instances. 1099 1099 1100 -{{ info}}The<patch>elements will be ignored when refreshing the MD at run-time. They only affect loaded savegames."{{/info}}1175 +{{note body="The <patch> elements will be ignored when refreshing the MD at run-time. They only affect loaded savegames."/}} 1101 1101 1102 1102 1103 1103 ... ... @@ -1117,38 +1117,41 @@ 1117 1117 1118 1118 There are many conditions and conditional actions that require a value comparison, for example the condition <check_value>: 1119 1119 1120 -{{code language="xml"}}<check_value"$ware == ware.silicon and $amount != 0"/>{{/code}}1195 +{{code}}<check_value┬ávalue="$ware == ware.silicon and $amount != 0"/>{{/code}} 1121 1121 1122 1122 In the value attribute you specify a boolean expression, and if it is true (that is, not equal to zero), the condition is met. This is a special case: This condition and all other nodes that support a value comparison allows you to specify an upper limit, a lower limit, a number range, or a list of allowed values. Examples: 1123 1123 1124 -{{code language="xml"}}<check_value"FooCue.state"exact="cuestate.complete"/><check_value"$foo.count"min="5"/><check_value"$foo"max="player.age + 1min"/><check_value"player.money"min="300Cr"max="600Cr"/><check_value"$method"list="[killmethod.hitbymissile, killmethod.collected]"/><check_value"$attention"min="attention.visible"/>{{/code}}1199 +{{code}}<check_value┬ávalue="FooCue.state"┬áexact="cuestate.complete"/><check_value┬ávalue="$foo.count"┬ámin="5"/><check_value┬ávalue="$foo"┬ámax="player.age + 1min"/><check_value┬ávalue="player.money"┬ámin="300Cr" max="600Cr"/><check_value┬ávalue="$method"┬álist="[killmethod.hitbymissile, killmethod.collected]"/><check_value┬ávalue="$attention"┬ámin="attention.visible"/>{{/code}} 1125 1125 1126 -{{ info}}Values of most enumeration types cannot be compared via ''min'' or ''max'' (also not via lt, gt, etc.). The only data types that can be used with ''min'' and ''max'' are numbers and the enumeration types ''level'' and ''attention'' (see Boolean operators). The ''exact'' attribute can be used with any type, and is equivalent to using the == operator."{{/info}}1201 +{{note body="Values of most enumeration types cannot be compared via ''min'' or ''max'' (also not via lt, gt, etc.). The only data types that can be used with ''min'' and ''max'' are numbers and the enumeration types ''level'' and ''attention'' (see Boolean operators). The ''exact'' attribute can be used with any type, and is equivalent to using the == operator."/}} 1127 1127 1128 1128 1129 1129 1130 1130 \\ 1131 1131 1207 +(% id="categorybroken_macroanchorrandom-ranges" %) 1208 + 1132 1132 == Random ranges == 1133 1133 1134 1134 If an action requires a value, e.g. when you set a variable to a value, you can have some randomisation. To specify an exact value, e.g. in <set_value>, you can write this: 1135 1135 1136 -{{code language="xml"}}<set_value"$race"exact="race.teladi"/>{{/code}}1213 +{{code}}<set_value┬áname="$race"┬áexact="race.teladi"/>{{/code}} 1137 1137 1138 1138 To select a random element from a list, this syntax can be used: 1139 1139 1140 -{{code language="xml"}}<set_value"$prime"list="[2, 3, 5, 7, 11]"/>{{/code}}1217 +{{code}}<set_value┬áname="$prime"┬álist="[2, 3, 5, 7, 11]"/>{{/code}} 1141 1141 1142 1142 To get a random number within a given range, you can use min/max: 1143 1143 1144 -{{code language="xml"}}<set_value"$foo"min="-20"max="20"/><set_value"$timeout"max="20s"/>{{/code}}1221 +{{code}}<set_value┬áname="$foo"┬ámin="-20"┬ámax="20"/><set_value┬áname="$timeout"┬ámax="20s"/>{{/code}} 1145 1145 1146 1146 min and max have to be compatible number types. Enumeration types are not allowed, not even level and attention. The min attribute is optional and defaults to 0 (of the number type used in max). 1147 1147 1148 -You can select one of 5 different probability distribution profiles for the random range, "flat"being the default (all values in the range are equally likely). If you select another profile, e.g."increasing"to make higher numbers more likely, you also have to specify a scale value (integer) that is greater or equal to 2. Higher scale values result in higher peaks in the distribution profiles (probable values become even more probable).1225 +You can select one of 5 different probability distribution profiles for the random range, ΓÇ£flatΓÇ¥ being the default (all values in the range are equally likely). If you select another profile, e.g. ΓÇ£increasingΓÇ¥ to make higher numbers more likely, you also have to specify a scale value (integer) that is greater or equal to 2. Higher scale values result in higher peaks in the distribution profiles (probable values become even more probable). 1149 1149 1150 -{{code language="xml"}}<set_value"$foo"min="-20"max="20"profile="profile.increasing"scale="4"/>{{/code}}1227 +{{code}}<set_value┬áname="$foo"┬ámin="-20"┬ámax="20" profile="profile.increasing" scale="4"/>{{/code}} 1151 1151 1229 +(% style="color: rgb(0,0,255);text-decoration: none;" %)┬á 1152 1152 \\(% id="variables-and-namespaces" %) 1153 1153 1154 1154 = Variables and namespaces = ... ... @@ -1155,43 +1155,44 @@ 1155 1155 1156 1156 As you have seen above, you can easily access variables by writing their name (including $ prefix) in an expression. Namespaces define in which cue the variables are actually stored (and from which cue they are read). 1157 1157 1158 - 1236 +(% style="color: rgb(0,0,255);text-decoration: none;" %) 1159 1159 \\\\\\(% id="categorybroken_macroanchorcreating-and-removing-variables" %) 1160 1160 1161 1161 == Creating and removing variables == 1162 1162 1163 -You can create variables with certain actions and conditions, such as the <set_value>action:1241 +{{{You can create variables with certain actions and conditions, such as the <set_value> action:}}} 1164 1164 1165 -{{code language="xml"}}<set_value"$foo"exact="$bar + 1"/>{{/code}}1243 +{{code}}┬á<set_value┬áname="$foo"┬áexact="$bar + 1" />{{/code}} 1166 1166 1167 -<set_value> also exists as a "condition", which can be useful if you want to pass information about the conditions to the actions, that would otherwise be lost - like in a complex <check_any> event condition, where you want to create a variable only if you are in a certain check branch. (Other pseudo-conditions are <remove_value> and <debug_text>.)1245 +<set_value> also exists as a ΓÇ£conditionΓÇ¥, which can be useful if you want to pass information about the conditions to the actions, that would otherwise be lost - like in a complex <check_any> event condition, where you want to create a variable only if you are in a certain check branch. (Other pseudo-conditions are <remove_value> and <debug_text>.) 1168 1168 1169 -The default operation of <set_value> is "**set**", but there are more:"**add**","**subtract**", and"**insert**". //add// and //subtract// change the value of an existing variable, which is created as 0 if it didn't exist before. If neither //min//, //max// nor //exact// attribute is provided, an exact value of 1 is assumed.1247 +The default operation of <set_value> is ΓÇ£**set**ΓÇ¥, but there are more: ΓÇ£**add**ΓÇ¥, ΓÇ£**subtract**ΓÇ¥, and ΓÇ£**insert**ΓÇ¥. //add// and //subtract// change the value of an existing variable, which is created as 0 if it didnΓÇÖt exist before. If neither //min//, //max// nor //exact// attribute is provided, an exact value of 1 is assumed. 1170 1170 1171 -{{code language="xml"}}<set_value"$foo"operation="add"/>{{/code}}1249 +{{code}}<set_value┬áname="$foo"┬áoperation="add" />{{/code}} 1172 1172 1173 1173 The trick is that <set_value> not only works on variables, but also on list elements and table keys: 1174 1174 1175 -{{code language="xml"}}<set_value"$list.{1}"exact="42"/><set_value"$table.$foo"exact="42"/>{{/code}}\\1253 +{{code}}<set_value┬áname="$list.{1}"┬áexact="42" /><set_value┬áname="$table.$foo"┬áexact="42" />{{/code}}\\ 1176 1176 1177 1177 The operation //insert// is special, and it only works on lists. It inserts the value at the specified position (note that the position beyond the last element is also valid here): 1178 1178 1179 -{{code language="xml"}}<set_value"$list.{1}"exact="42"operation="insert"/>{{/code}}1257 +{{code}}<set_value┬áname="$list.{1}"┬áexact="42"┬áoperation="insert" />{{/code}} 1180 1180 1181 1181 This shifts the positions of all following elements up by one. If min/max/exact are missing, the default value is null for insertions, not 1 like in other cases. 1182 1182 1183 1183 Appending is easier than that. The following actions are equivalent: 1184 1184 1185 -{{code language="xml"}}<set_value"$list.{$list.count + 1}"exact="42"operation="insert"/><append_to_list"$list"exact="42"/>{{/code}}1263 +{{code}}<set_value┬áname="$list.{$list.count + 1}"┬áexact="42"┬áoperation="insert" /><append_to_list┬áname="$list"┬áexact="42" />{{/code}} 1186 1186 1187 1187 Inserting at a position below 1 or above $list.count + 1 is not possible. 1188 1188 1189 1189 To remove variables or list/table entries, use <remove_value>: 1190 1190 1191 -{{code language="xml"}}<remove_value"$foo"/><remove_value"$list.{1}"/><remove_value"$table.$foo"/>{{/code}}\\1269 +{{code}}<remove_value┬áname="$foo" /><remove_value┬áname="$list.{1}" /><remove_value┬áname="$table.$foo" />{{/code}}\\ 1192 1192 1193 1193 Removing an entry from a list shifts all following elements down by one. If you want to clear an entry without removing it from the list, just use <set_value> instead. 1194 1194 1273 +(% style="color: rgb(0,0,255);text-decoration: none;" %) 1195 1195 \\\\\\(% id="accessing-remote-variables" %) 1196 1196 1197 1197 == Accessing remote variables == ... ... @@ -1198,37 +1198,40 @@ 1198 1198 1199 1199 You can also read and write variables in other cues by using the variable name as property key: 1200 1200 1201 -{{code language="xml"}}<set_value"OtherCue.$foo"min="0.0"max="1.0"/><set_value"md.OtherScript.YetAnotherCue.$bar"exact="OtherCue.$foo"/>{{/code}}1280 +{{code}}<set_value┬áname="OtherCue.$foo"┬ámin="0.0"┬ámax="1.0" /><set_value┬áname="md.OtherScript.YetAnotherCue.$bar"┬áexact="OtherCue.$foo" />{{/code}} 1202 1202 1203 1203 Instead of referencing a cue by name, you could also reference it via a keyword or another variable: 1204 1204 1205 -{{code language="xml"}}<set_value"static.$counter"operation="add"/><set_value"parent.$foo"exact="42"/><set_value"this.$bar"exact="parent"/><set_value"$baz"exact="this.$bar.$foo"/>{{/code}}1284 +{{code}}<set_value┬áname="static.$counter"┬áoperation="add" /><set_value┬áname="parent.$foo"┬áexact="42" /><set_value┬áname="this.$bar"┬áexact="parent" /><set_value┬áname="$baz"┬áexact="this.$bar.$foo" />{{/code}} 1206 1206 1286 +(% style="color: rgb(0,0,255);text-decoration: none;" %) 1207 1207 \\\\\\(% id="namespaces" %) 1208 1208 1209 1209 == Namespaces == 1210 1210 1211 -In the examples above, a variable was written to and read from the "this"cue. This can be necessary: the expression"$foo"may be different from the expression"this.$foo". The reason for that are namespaces.1291 +In the examples above, a variable was written to and read from the ΓÇ£thisΓÇ¥ cue. This can be necessary: the expression ΓÇ£$fooΓÇ¥ may be different from the expression ΓÇ£this.$fooΓÇ¥. The reason for that are namespaces. 1212 1212 1213 1213 Consider this case: 1214 1214 1215 -{{code language="xml"}}<cue"Root"><actions><set_value"$foo"/></actions><cues><cue"SubCue">[...]</cue></cues></cue>{{/code}}1295 +{{code}}<cue┬áname="Root">┬á <actions>┬á ┬á <set_value┬áname="$foo" />┬á </actions>┬á <cues>┬á ┬á <cue┬áname="SubCue"> [...]┬á ┬á </cue>┬á </cues></cue>{{/code}} 1216 1216 1217 -When the root cue creates $foo, the variable is stored in the Root cue directly. But SubCue and its descendants will also need access to $foo. Of course they could write "parent.$foo"or"Root.$foo", but since it's very common to have a single location for most variables in the whole cue tree, the easy solution is to write just"$foo"- because variable names are looked up in the **namespace cue**, which is the root by default. Also newly created variables end up in the namespace, and not in"this"cue.1297 +When the root cue creates $foo, the variable is stored in the Root cue directly. But SubCue and its descendants will also need access to $foo. Of course they could write ΓÇ£parent.$fooΓÇ¥ or ΓÇ£Root.$fooΓÇ¥, but since itΓÇÖs very common to have a single location for most variables in the whole cue tree, the easy solution is to write just ΓÇ£$fooΓÇ¥ - because variable names are looked up in the **namespace cue**, which is the root by default. Also newly created variables end up in the namespace, and not in ΓÇ£thisΓÇ¥ cue. 1218 1218 1219 -You can also use the keyword "**namespace**"in expressions to get the namespace cue.1299 +You can also use the keyword ΓÇ£**namespace**ΓÇ¥ in expressions to get the namespace cue. 1220 1220 1221 1221 (% id="defining-a-cues-namespace" %) 1222 1222 1223 -=== Defining a cue 's namespace ===1303 +=== Defining a cueΓÇÖs namespace === 1224 1224 1225 1225 When writing a cue, you can specify what the namespace of the cue should be, by adding the //**namespace**// attribute. The following values are possible: 1226 1226 1227 -* **this**: Use "this"cue as namespace, even for instances: $foo == this.$foo1228 -* **static**: Same as "this", but when instantiated, use the static cue: $foo == static.$foo1229 -* **default**: The namespace is inherited from the parent cue. The default for root cues and for libraries is the same as "static".1307 +* **this**: Use ΓÇ£thisΓÇ¥ cue as namespace, even for instances: $foo == this.$foo 1308 +* **static**: Same as ΓÇ£thisΓÇ¥, but when instantiated, use the static cue: $foo == static.$foo 1309 +* **default**: The namespace is inherited from the parent cue. The default for root cues and for libraries is the same as ΓÇ£staticΓÇ¥. 1230 1230 1311 +(% style="color: rgb(0,0,255);text-decoration: none;" %) 1231 1231 1232 -{{warning}}Although in general the expression "$foo == namespace.$foo" is true, there is one exception: When library parameters are evaluated in the referencing cue, variables are resolved using the parent's namespace. However, the referencing cue creates a new namespace, so the namespace keyword already points to the library, not to the parent's namespace. Example: 1233 1233 1234 -<code language="xml"><cue name="LibRef" ref="Lib"> <param name="Param1" value="$foo" /> <!-- $foo from parent namespace --> <param name="Param2" value="namespace.$foo" /> <!-- LibRef.$foo (error) --></cue></code>{{/warning}} 1314 +{{warning body="Although in general the expression ΓÇ£$foo == namespace.$fooΓÇ¥ is true, there is one exception: When library parameters are evaluated in the referencing cue, variables are resolved using the parentΓÇÖs namespace. However, the referencing cue creates a new namespace, so the namespace keyword already points to the library, not to the parentΓÇÖs namespace. Example: 1315 + 1316 +<code><cue┬áname="LibRef"┬áref="Lib">┬á <param┬áname="Param1"┬ávalue="$foo" /> <!-- $foo from parent namespace -->┬á <param┬áname="Param2"┬ávalue="namespace.$foo" /> <!-- LibRef.$foo (error) --></cue></code>"/}}