ViewerEffect

Message Layout

ViewerEffect Medium 17 NotTrusted Zerocoded
{
	AgentData		Single
	{	AgentID		LLUUID	}
	{	SessionID	LLUUID	}
}
{
	Effect Variable
	{	ID			LLUUID	} // unique UUID of the effect
	{	AgentID		LLUUID	} // yes, pack AgentID again (note this block is variable)
	{	Type		U8	} // Type of the effect
	{	Duration	F32	} // F32 time (seconds)
	{	Color		Fixed		4	} // Color4U
	{	TypeData	Variable	1	} // Type specific data
}

Types and formats

Name	Value	Used	Notes
LL_HUD_TEXT	0	No
LL_HUD_ICON	1	No
LL_HUD_CONNECTOR	2	No
LL_HUD_FLEXIBLE_OBJECT	3	No
LL_HUD_ANIMAL_CONTROLS	4	No
LL_HUD_LOCAL_ANIMATION_OBJECT	5	No
LL_HUD_CLOTH	6	No
LL_HUD_EFFECT_BEAM	7	Yes	See TypeData STP
LL_HUD_EFFECT_GLOW	8	No
LL_HUD_EFFECT_POINT	9	Yes	See TypeData STP
LL_HUD_EFFECT_TRAIL	10	Yes	See TypeData STP
LL_HUD_EFFECT_SPHERE	11	Yes	See TypeData STP
LL_HUD_EFFECT_SPIRAL	12	Yes	See TypeData STP
LL_HUD_EFFECT_EDIT	13	Yes	See TypeData STP
LL_HUD_EFFECT_LOOKAT	14	Yes	See TypeData STPT
LL_HUD_EFFECT_POINTAT	15	Yes	See TypeData STPT
LL_HUD_EFFECT_VOICE_VISUALIZER	16	Unknown
LL_HUD_NAME_TAG	17	Unknown

TypeData STP

Byte 0-16: LLUUID Source
Byte 16-32: LLUUID Target
Byte 32-56: LLVector3d Position (In global coordinates(I think?))

TypeData STPT

Byte 0-16: LLUUID Source
Byte 16-32: LLUUID Target
Byte 32-56: LLVector3d Position (Global position if Target is NULL_KEY, else relative to Target)
Byte 57: U8 Type (See below for specifics)

Types for LookAt:
For information on what these mean, see Show Look At.

Name	Value
LOOKAT_TARGET_NONE	0
LOOKAT_TARGET_IDLE	1
LOOKAT_TARGET_AUTO_LISTEN	2
LOOKAT_TARGET_FREELOOK	3
LOOKAT_TARGET_RESPOND	4
LOOKAT_TARGET_HOVER	5
LOOKAT_TARGET_CONVERSATION	6
LOOKAT_TARGET_SELECT	7
LOOKAT_TARGET_FOCUS	8
LOOKAT_TARGET_MOUSELOOK	9
LOOKAT_TARGET_CLEAR	10
LOOKAT_NUM_TARGETS	11

Types for PointAt

Name	Value
POINTAT_TARGET_NONE	0
POINTAT_TARGET_SELECT	1
POINTAT_TARGET_GRAB	2
POINTAT_TARGET_CLEAR	3
POINTAT_NUM_TARGETS	4

Usage and Notes

Viewer side effect that's sent from one viewer, and broadcast to other agents nearby (selection beams, PointAt, LookAt).

viewer-->sim (single effect created by viewer)

sim-->viewer (multiple effects that can be seen by viewer)

The AgentData block is used for authentication for viewer-->sim messages