LlTeleportAgentGlobalCoords

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/LSL

TeleportAgentGlobalCoords

llTeleportAgentGlobalCoords

Summary

Function: llTeleportAgentGlobalCoords( key agent, vector global_coordinates, vector region_coordinates, vector look_at );

?	Function ID
	Forced Delay
	Energy

Teleports an agent to region_coordinates within a region specified by global_coordinates.

A region's global coordinates can be retrieved using llRequestSimulatorData("region name", DATA_SIM_POS)

If the destination is in the current region, the avatar will land facing look_at as a position within that region. Otherwise, look_at is treated as a unit direction.

• key	agent	–	avatar UUID that is in the same region (the avatar to teleport, must be the owner)
• vector	global_coordinates	–	Global coordinates of the destination region. Can be retrieved by using llRequestSimulatorData(region_name, DATA_SIM_POS).
• vector	region_coordinates	–	position in region coordinates where the avatar should land.
• vector	look_at	–	direction the avatar should be facing on landing (east, west, etc).

To run this function the script must request the PERMISSION_TELEPORT permission with llRequestPermissions and it must be granted by agent. The combination of llRequestSimulatorData and llTeleportAgentGlobalCoords allows agents to be teleported to regions by region name.

Caveats

Permissions

Do not depend upon the auto-grant status of permissions. Always use the run_time_permissions event. If the script lacks the permission PERMISSION_TELEPORT, the script will shout an error on DEBUG_CHANNEL and the operation fails (but the script continues to run). If PERMISSION_TELEPORT is granted by anyone other than agent, then when the function is called an error will be shouted on DEBUG_CHANNEL. Once the PERMISSION_TELEPORT permission is granted there is no way to revoke it except from inside the script (for example, with a new llRequestPermissions call) or the script is reset or deleted.

• This function can only teleport the owner of the object (unless part of an Experience).
• Teleports are throttled
• This function cannot be used in a script in an object attached using llAttachToAvatarTemp.
• Sitting avatars cannot be teleported using this function. You must llUnSit them first.
• This function does not override a parcel's teleport settings, i.e. if the parcel has a landing zone enabled the avatar will be teleported there.
• If the script is part of an experience that the avatar has granted permission, then this function may teleport them without being the owner and it will override parcel teleport routing.
• When look_at treated treated as a direction, a valid input should be <llCos(angle), llSin(angle), 0.0>.
  • In other words, it should be a unit vector corresponding to the avatar turning angle radians from north.

All Issues ~ Search JIRA for related Bugs

Examples

Basic example:

default
{
    touch_start(integer num_detected)
    {
        llRequestPermissions(llGetOwner(), PERMISSION_TELEPORT);
    }

    run_time_permissions(integer perm)
    {
        if (PERMISSION_TELEPORT & perm)
        {
            vector global_coord = <232704, 291072, 0>;
            vector region_pos = <122, 122, 40>;

            float angle = 45 * DEG_TO_RAD; // 45 degrees to radians (north-east)
            vector look_at = <llCos(angle), llSin(angle), 0>;

            llTeleportAgentGlobalCoords(llGetOwner(), global_coord, region_pos, look_at);
        }
    }
}

Similar to the above, but also keeps track of current global coordinate and adjusts the look_at value based on whether the destination is the current region or a different one.

vector current_region;

default
{
    state_entry()
    {
        // Get current global coordinate when the script starts.
        llRequestSimulatorData(llGetRegionName(), DATA_SIM_POS);
    }

    changed(integer change)
    {
        if (!(change & CHANGED_REGION)) return;

        // Get current region coordinate when entering a new region.
        llRequestSimulatorData(llGetRegionName(), DATA_SIM_POS);
    }

    dataserver(key query, string data)
    {
        // Save llRequestSimulatorData response.
        current_region = (vector)data;
    }

    touch_start(integer num_detected)
    {
        llRequestPermissions(llGetOwner(), PERMISSION_TELEPORT);
    }

    run_time_permissions(integer perm)
    {
        if (!(PERMISSION_TELEPORT & perm)) return;

        vector global_coord = <232704, 291072, 0>;
        vector region_pos = <122, 122, 40>;

        float angle = 45 * DEG_TO_RAD;
        vector look_at = <llCos(angle), llSin(angle), 0>;

        if (current_region == global_coord) {
            // When teleporting within the current region, we should use a position within the region instead.
            look_at = region_pos + look_at;
        }

        llTeleportAgentGlobalCoords(llGetOwner(), global_coord, region_pos, look_at);
    }
}

Older example:

string simName = "Help Island Public";
vector simGlobalCoords;

vector landingPoint = <128.0, 128.0, 24.0>;

key owner;


default
{
    on_rez(integer start_param)
    {
        llResetScript();
    }

    changed(integer change)
    {
        if (change & CHANGED_OWNER)
            llResetScript();
    }

    state_entry()
    {
        owner = llGetOwner();

        llRequestPermissions(owner, PERMISSION_TELEPORT);
        llRequestSimulatorData(simName, DATA_SIM_POS);
    }

    touch_start(integer total_number)
    {
        key id = llDetectedKey(0);

        if (id == owner)
        {
            if (simGlobalCoords == ZERO_VECTOR)
            {
                llOwnerSay("Config error, tp request was denied. Please try again!");
                llResetScript();
            }
            else
            {
                llOwnerSay("Teleporting you to: http://maps.secondlife.com/secondlife/"
                    + llEscapeURL(simName) + "/" + (string)llRound(landingPoint.x)
                    + "/" + (string)llRound(landingPoint.y) + "/" + (string)llRound(landingPoint.z) + "/");

                llTeleportAgentGlobalCoords(owner, simGlobalCoords, landingPoint, ZERO_VECTOR);
            }
        }
        else
        {
            // llRegionSayTo is faster than llInstantMessage and we can assume
            // that the touching avatar is within the same sim

            llRegionSayTo(id, PUBLIC_CHANNEL,
                "Sorry, I can't tp you. You're NOT my owner!");
        }
    }

    run_time_permissions(integer perm)
    {
        // if permission request has been denied (read ! as not)
        if (!(perm & PERMISSION_TELEPORT))
        {
            llOwnerSay("I need permissions to teleport you!");
            llRequestPermissions(owner, PERMISSION_TELEPORT);
        }
    }

//  dataserver event only called if data is returned
//  or in other words, if you request data for a sim that does
//  not exist this event will NOT be called

    dataserver(key query_id, string data)
    {
        simGlobalCoords = (vector)data;
        // llOwnerSay("Sim global coords: " + (string)simGlobalCoords);
    }
}

See Also

Events

•

run_time_permissions

–

Permission receiving event

Functions

•	llGetPermissions	–	Get the permissions granted
•	llGetPermissionsKey	–	Get the agent who granted permissions
•	llRequestPermissions	–	Request permissions
•	llRequestSimulatorData	–	Useful for requesting simulator position
•	llTeleportAgent	–	Teleporting agents to a landmark or position in the region.

Articles

•

Script permissions

Deep Notes

History

Date of Release 24/07/2012

All Issues

~ Search JIRA for related Issues

		BUG-4062	A		llTeleportAgent() and llTeleportAgentGlobalCoords() can break any script in any attached object that contains a changed event.
		SVC-7987	A		llTeleportAgent always points in the positive Y direction on teleport

Signature
function void llTeleportAgentGlobalCoords( key agent, vector global_coordinates, vector region_coordinates, vector look_at );