llGetParcelPrimCount

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/LSL

GetParcelPrimCount

llGetParcelPrimCount

Summary

Function: integer llGetParcelPrimCount( vector pos, integer category, integer sim_wide );

0.0	Forced Delay
10.0	Energy

Returns an integer that is the total land impact of objects on the parcel at pos of the given category

• vector	pos	–	position in region coordinates (z component is ignored)
• integer	category	–	a PARCEL_COUNT_* flag
• integer	sim_wide	–	boolean, TRUE[1] searches parcels in the region with the same owner as the targeted parcel, FALSE searches only the targeted parcel

Specification

If sim_wide is...

• TRUE then the return is the combined object land impact used on all parcels in the sim owned by the specified parcel's owner of the category requested.^[1]
• FALSE then the return is the object land impact used of the category requested on the parcel specified.

Category		Description
PARCEL_COUNT_TOTAL	0	All objects on the parcel(s). Does not include temp on rez objects.
PARCEL_COUNT_OWNER	1	Objects owned by the parcel owner.
PARCEL_COUNT_GROUP	2	Objects not owned by the owner, but set to or owned by the group of the parcel.
PARCEL_COUNT_OTHER	3	Objects not set to group or owned by the owner.
PARCEL_COUNT_SELECTED	4	All objects selected or sat on.
PARCEL_COUNT_TEMP	5	All temp on rez objects.

Caveats

• Temp mesh is not included in totals for PARCEL_COUNT_TEMP

Examples

//  gives prim usage information when touched

string primCountThisParcel(integer flag)
{
    vector currentPosition = llGetPos();

    return
        (string)llGetParcelPrimCount(currentPosition, flag, FALSE);
}

default
{
    touch_start(integer total_number)
    {
        llSay(PUBLIC_CHANNEL,
            "The total land impact of objects on this parcel is " + primCountThisParcel(PARCEL_COUNT_TOTAL) + ".");

        llSay(PUBLIC_CHANNEL,
            primCountThisParcel(PARCEL_COUNT_OWNER) + " LI for objects owned by the parcel owner.");

        llSay(PUBLIC_CHANNEL,
            primCountThisParcel(PARCEL_COUNT_GROUP) + " LI for objects set to or owned by the parcel's group.");

        llSay(PUBLIC_CHANNEL,
            primCountThisParcel(PARCEL_COUNT_OTHER) + " LI for objects not set to the parcel group or owned by the parcel owner.");

        llSay(PUBLIC_CHANNEL,
            primCountThisParcel(PARCEL_COUNT_SELECTED) + " LI for selected objects.");

        llSay(PUBLIC_CHANNEL,
            primCountThisParcel(PARCEL_COUNT_TEMP) + " LI for temp-on-rez objects.");
    }
}

//Sim-wide scanner to count prim use in each parcel
list gPrclID;
integer gTotPrims;
float gX;
float gY;
string gObjName;
integer gNUM;

default
{
    state_entry()
    {
        gObjName = llGetObjectName();
        gPrclID = [];
        gTotPrims = 0;
        // Begin scanning at the SW <0.0,0.0,0.0> corner of the sim
        gX = 4.0;
        gY = 4.0;
    }
    
    on_rez(integer start)
    {
        llSetPos(llGetPos() + <0.0,0.0,0.5>);
        llSetText("Touch to start scan",<1.0,1.0,0.0>,1.0);
    }

    touch_start(integer total_number)
    {
        llSetText("Scanning ....",<1.0,1.0,0.0>,1.0);
        gNUM = 0;
        llRegionSayTo(llGetOwner(),0,"Scan started on " + llGetRegionName());
        llSetTimerEvent(0.1);
    }
        
    timer()
    {
        //Grab the parcel's ID and name at position <gX, gY, 100.0>
        list parcel = llGetParcelDetails(<gX,gY,100.0>,[PARCEL_DETAILS_ID,PARCEL_DETAILS_NAME]);
        key temp = llList2Key(parcel,0);
        string parcel_name = llList2String(parcel,1);
        if (parcel_name == "")
        {
            parcel_name = "(no name)";
        }
        if (!~llListFindList(gPrclID,[temp]))   //Scan at this location if this parcel was not scanned earlier
        {
            ++gNUM;
            llSetObjectName((string)gNUM);
            integer Count = llGetParcelPrimCount(<gX,gY,100>,PARCEL_COUNT_TOTAL,FALSE); //Do not include other parcels owned by llGetOwner()
            gTotPrims += Count;
            llRegionSayTo(llGetOwner(),0, "/me "+ parcel_name + " @ <"+(string)gX+","+(string)gY+",Z>  = " + (string)Count);
            gPrclID += [temp];  //Add this parcel to the "previously scanned" list
        }
        // Increment X and Y in successive scans to look at the entire sim in 8m square blocks
        if (gX < 256.0)
        {
            gX +=8.0;
        }
        if (gX > 256.0)
        {
            gY += 8.0;
            gX = 4.0;
        }
        if (gY > 256.0) // Reached NE corner
        {
            llSetObjectName(gObjName);
            llRegionSayTo(llGetOwner(),0,"Scan finished.  Total land impact = " + (string)gTotPrims + " in " + (string)llGetListLength(gPrclID) + " parcels (not counting temp rez prims).");
            llSetText("Touch to start scan",<1.0,1.0,0.0>,1.0);
            llResetScript();
        }
    }
}

See Also

Functions

•

llGetParcelMaxPrims

Articles

For a detailed explanation on how the land impact is calculated, see also Jenni Darkwatch's post from late 2011.

Deep Notes

Footnotes

1. ^ Any value that is not zero/FALSE is treated the same as TRUE. This behavior should not be depended upon.

Signature
function integer llGetParcelPrimCount( vector pos, integer category, integer sim_wide );

Haiku
It's a dreadful night When an extra prim impacts more than land can hold