listCast
Revision as of 14:03, 21 January 2009 by Haravikk Mistral (talk | contribs) (Mixed both solutions as (float)llList2String() will reduce accuracy if the value was already a float)
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Summary
Function: list listCast( list mixedList, integer type );
Iterates through the contents of a list, producing a resulting list whose contents are cast to a single type. Please refer to llGetListEntryType() for valid types. This function is useful for converting a list to a type which is more memory efficient, or to a type that you know you are going to access a lot (in order to remove extra casting later-on).
Returns a list whose contents are all one type.
| • list | mixedList | – | The list to cast, its contents may be anything. | |
| • integer | type | – | The type of variable to cast all entries to. |
Examples
Implementation
<lsl>list listCast(list mixedList, integer type) {
list result = []; integer x = mixedList != [];
if (type == TYPE_INTEGER)
while ((--x) >= 0)
result = [(integer)llList2String(mixedList, x)] + result;
else if (type == TYPE_FLOAT)
while ((--x) >= 0) {
if (llGetListEntryType(mixedList, x)) result = [llList2Float(mixedList, x)] + result;
else result = [(float)llList2String(mixedList, x)] + result;
}
else if (type == TYPE_VECTOR)
while ((--x) >= 0)
result = [(vector)llList2String(mixedList, x)] + result;
else if (type == TYPE_ROTATION)
while ((--x) >= 0)
result = [(rotation)llList2String(mixedList, x)] + result;
else if (type == TYPE_STRING)
while ((--x) >= 0)
result = [llList2String(mixedList, x)] + result;
else if (type == TYPE_KEY)
while ((--x) >= 0)
result = [llList2Key(mixedList, x)] + result;
else result = mixedList;
return result;
}</lsl>