Difference between revisions of "Scripting:Design Note"

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Revision as of 20:39, 19 June 2014

The various scripts provided within the TWScript package use the Editor -> Design Note feature in Dromed to store the configuration information used to control the behaviour of the scripts. If you have used NVScript, tnhScript, or PublicScripts you will be familiar with this mechanism.

For some scripts, the Design Note may be left empty: some scripts may use the values set in other object attributes for configuration, or they may not support any setup at all. However, in practice the Design Note will contain one or more configuration parameters. Each parameter consists of three parts:

  1. a parameter name, something like TWTrapSetSpeedDest
  2. an equals sign (=)
  3. a value to set for the parameter

For example:


The value you can specify for any given parameter depends on its *type*. The documentation for each parameter says what type of value it expects you to give it, and it may require any of the following:

the value should be a real number, that is a number that can include a fractional part, like 3.1415. Negative numbers are specified using -, eg: -2.54. Note that, in some cases, negatives can produce unexpected or undesirable behaviours if the script doesn't expect you to use them.
float vector
three float values, separated by commas. You may place whitespace between the float values and the commas, but do not use quotes around each value, ie: SomeParam=0 , 1.2, 5; is fine, as is SomeParam="1.2, 3.4,5.6";, but SomeParam="0","1.2","3"; is not valid. I generally recomment avoid using quotes when specifying the values for float vector types. Unless otherwise indicated in the documentation, the first value corresponds to the x component of the vector, the second to the y component, and the third to the z. Any components you do not specify a value for will be set to 0.0. For example, the value 6,,10.5 will set x to 6.0, y to 0.0, and z to 10.5. Similarly, 1,0.5 will set x to 1.0, y to 0.5, and z (which has been omitted entirely from the example here!) will be set to 0.0.
a 'whole number', one without any decimal part, eg: 3. Negative numbers can be specified using -, eg: -42.
a true or false value. The following are considered to be 'true' values: Any word starting 't', 'T', 'y' or 'Y'; Any non-zero integer value. Any words that do not start as described, or the number 0, are considered to be false.
an integer that represents a period of time. Without any modifier, the the value is interpreted as a number of milliseconds, if you append s to the number (eg: 10s) the value is interpreted as a number of seconds. If you place m after the number, it is interpreted as a number of minutes.
a Dromed object name, or object ID.
any text, no special meaning is attached to it. Note that, if the string needs to contain a semicolon (;) you *must* enclose the string in single or double quotes, 'like this' or "like this". If you need to include a single quote in a single-quoted string, you can do so by prefixing the ' with \, ie: \'. Similarly, to include a double quote in a double-quoted string, prefix it with a backslash, \". If you need to include a backslash in a quoted string, you should generally prefix it with another, eg: \\.

For the integer, float, boolean, and time types, you may also use a quest variable in place of a literal value. To do this, prepend the quest variable name with $. For example, this will use the value specified in the quest variable platform_speed:


In addition, integer and float types can have simple mathematical operations included in the parameter value if the parameter starts with a quest variable. eg:

TWTrapSetSpeedSpeed=$platform_speed * $speed_mult
TWTrapSetSpeedSpeed=$platform_speed / 10.0
TWTrapSetSpeedSpeed=$platform_speed + $base_speed

Supported operations are addition +, multiplication *, and division /. Subtraction is not directly supported, but you can add a negative number for the same effect.

Note that, for float vector types, each value may be a quest variable:

TWTrapPhysStateCtrlLocation=$thingx, $thingy, $thingz;

Values *may* be enclosed in quotes, either single quotes or double quotes, but this is not required *unless* you are specifying a string containing a semicolon, in which case you must quote the string.

If more than one parameter is specified, semicolons are used to separate them, for example:



  • gravatar The Watcher [userbureaucratsysopPHRhYmxlIGNsYXNzPSJ0d3BvcHVwIj48dHI+PHRkIGNsYXNzPSJ0d3BvcHVwLWVudHJ5dGl0bGUiPkdyb3Vwczo8L3RkPjx0ZD51c2VyPGJyIC8+YnVyZWF1Y3JhdDxiciAvPnN5c29wPGJyIC8+PC90ZD48L3RyPjwvdGFibGU+]

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