Procedure Element (Data)

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The "procedure" Element

If you need to invoke the same script code from multiple scripts, then you should consider writing a re-usable procedure that defines the code once and can be called from multiple scripts. Each procedure is defined through the use of a "procedure" element. The complete list of attributes for this element is below.

id	Id – Specifies the unique id of the procedure. This id is used in all references to the procedure.
context	(Optional) Set – Designates a general script context from which this procedure is designed to be called. A script context spans multiple different script types that are related in nature and behavior. Must be one of these values: unknown – Procedure may only be invoked from within a specific type of script, as dictated by the "scripttype" attribute (below). pick – Procedure can be called from any script with a pick as its initial context. container – Procedure can be called from any script with a container as its initial context. entity – Procedure can be called from entity-related scripts, such as the Titlebar Script. visual – Procedure can be called from any visual script, such as the Position Script. info – Procedure can be called from any information synthesis script for a thing or pick, such as the MouseInfo Script. transact – Procedure can be called from any transaction script, such as the TransactBuy Script. combat – Procedure can be called from any combat-related script, such as the NewCombat Script. Default: "unknown".
scripttype	(Optional) Set – Designates the specific script type from which this procedure may be called. The procedure may only be called from scripts of this type. Must be one of these values: unknown – Procedure may be invoked from a general category of scripts, as dictated by the "context" attribute (above). finalize – Procedure may only be called from within a Finalize Script. calculate – Procedure may only be called from within a Calculate Script. bounds – Procedure may only be called from within a Bound Script. eval – Procedure may only be called from within an Eval Script. evalrule – Procedure may only be called from within an EvalRule Script. mouseinfo – Procedure may only be called from within a MouseInfo Script. titlebar – Procedure may only be called from within a Titlebar Script. description – Procedure may only be called from within a Description Script. trigger – Procedure may only be called from within a Trigger Script. label – Procedure may only be called from within a Label Script. validate – Procedure may only be called from within a Validate Script. xactsetup – Procedure may only be called from within a TransactSetup Script. xactbuy – Procedure may only be called from within a TransactBuy Script. xactsell – Procedure may only be called from within a TransactSell Script. newcombat – Procedure may only be called from within a NewCombat Script. newturn – Procedure may only be called from within a NewTurn Script. integrate – Procedure may only be called from within an Integrate Script. synthesize – Procedure may only be called from within a Synthesize Script. none – Procedure may be called from any type of script. However, there is no initial context for identifiers, so no context transitions may be specified that don't explicitly designate a safe initial context (e.g. "hero."). This procedure type is useful when all inputs can be passed via variables and all results returned via variables. Default: "unknown". NOTE! It is valid to setup a focus pick via "setfocus" within a calling script and then utilize the inherited focus pick within a procedure of type "none".
PCDATA	Script – Specifies the code comprising the procedure.

Example

The following example demonstrates what a "procedure" element might look like. All default values are assumed for optional attributes.

<procedure id="MyProc" context="info">
  ~insert script code here
  </procedure>

<procedure id="MyProc" scripttype="eval">
  ~insert script code here
  </procedure>