OSSL vs LSL
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| llSitTarget<br/>llLinkSitTarget || [[osSetStandTarget]]<br/>[[osSetLinkStandTarget]] || H<br/>L || SitTarget is position when sitting.<br/>StandTarget, position when unsitting. | | llSitTarget<br/>llLinkSitTarget || [[osSetStandTarget]]<br/>[[osSetLinkStandTarget]] || H<br/>L || SitTarget is position when sitting.<br/>StandTarget, position when unsitting. | ||
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| + | | llAvatarOnSitTarget<br/>llAvatarOnLinkSitTarget || [[osGetSittingAvatarsCount]]()<br/>[[osGetSittingAvatarsCount]](uuid) || H K || OSSL function returns the total number of avatars sitting on a linkset. LSL functions apply only to avatars on sittarget (return NULL_KEY if sittarget is not set) and cannot operate outside the linkset. A similar result can be obtained with llGetObjectDetails(uuid, [OBJECT_SIT_COUNT]). | ||
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| llPlaySound<br/>llLoopSound<br/>llTriggerSound<br/>... || [[osPlaySound]]<br\>[[osLoopSound]]<br\>[[osTriggerSound]]<br/>... || L || All OSSL sound functions takes a linknumber argument. | | llPlaySound<br/>llLoopSound<br/>llTriggerSound<br/>... || [[osPlaySound]]<br\>[[osLoopSound]]<br\>[[osTriggerSound]]<br/>... || L || All OSSL sound functions takes a linknumber argument. | ||
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| llGetNumberOfPrims<br/>llGetObjectPrimCount || [[osGetPrimCount]]()<br/>[[osGetPrimCount]](uuid) || H K || OSSL version does not count sitting avatars and does work on attachments | | llGetNumberOfPrims<br/>llGetObjectPrimCount || [[osGetPrimCount]]()<br/>[[osGetPrimCount]](uuid) || H K || OSSL version does not count sitting avatars and does work on attachments | ||
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| llStartAnimation<br/>llStopAnimation ||[[osAvatarPlayAnimation]]<br/>[[osAvatarStopAnimation]] || A || Does not require PERMISSION_TRIGGER_ANIMATION<br/>OSSL can animate multiples avatars, when LSL is bound to the avatar having granted the permission. | | llStartAnimation<br/>llStopAnimation ||[[osAvatarPlayAnimation]]<br/>[[osAvatarStopAnimation]] || A || Does not require PERMISSION_TRIGGER_ANIMATION<br/>OSSL can animate multiples avatars, when LSL is bound to the avatar having granted the permission. | ||
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| llGetAgentList || [[osGetAvatarList]]<br/>osGetAgents || || llGetAgentList returns a list of agent keys. osGetAgents, a list of agant names. osGetAvatarList, a strided list of agent (key, position, name). | | llGetAgentList || [[osGetAvatarList]]<br/>osGetAgents || || llGetAgentList returns a list of agent keys. osGetAgents, a list of agant names. osGetAvatarList, a strided list of agent (key, position, name). | ||
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| + | | llGetInventoryKey<br/>llGetInventoryName || [[osGetInventoryItemKey]]<br/>[[osGetInventoryName]] || || llGetInventoryKey returns <u>item</u> id while osGetInventoryItemKey returns <u>asset</u> id.<br/>llGetInventoryName returns name from (index,type) while osGetInventoryName return name fro item id. | ||
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Revision as of 07:51, 16 June 2023
LSL and OSSL functions may appear overlapping. Sometimes, they are. This may happen when a OSSL function has been written before it's LL conterpart. Most of the time, they are complementary.
OSSL implements features not available in LSL (NPCs, Texture Drawing) or extend them, like adressing prims by key, which gives unprecedented flexibility to the scripter.
This page tries to highlight the differences between OSSL and LSL functions when similar versions exist. Functions are tagged with adressing modes :
H : Target is the script's host (the prim containing the script)
L : Target is a prim in the linkset, adressed by link number
K : Target is any prim you own, adressed by key (inside or outside linkset)
A : Target is an avatar
When a function is tagged with multiple adressing modes, these are overloads (a.k.a. 'variants') selected at compile time according to the parameter types.
| llGetLinkPrimitiveParams | osGetLinkPrimitiveParams | L | Allows for multiple-link constants LINK_SET, LINK_ALL_CHILDREN. Returns a by-side list of properties. |
| llSetLinkPrimitiveParams | L | No need for OSSL version since llSetLinkPrimitiveParams accepts all LINK_* flags | |
| llGetPrimitiveParams llSetPrimitiveParams |
osGetPrimitiveParams osSetPrimitiveParams |
K | Acts on out-of-linkset primitive (uuid instead of linknumber) |
| osSetProjectionParams | H L K | Same effect can be obtained with llSetLinkPrimitiveParams (linknum, [PRIM_PROJECTOR]) but OSSL version has osSetPrimitiveParams power to work outside linkset. | |
| llCreateLink llBreakLink llBreakAllLinks |
osForceCreateLink osForceBreakLink osForceBreakAllLinks |
Does not require PERMISSION_CHANGE_LINKS | |
| llParticleSystem llLinkParticleSystem |
osParticleSystem osLinkParticleSystem |
H L |
|
| llSitTarget llLinkSitTarget |
osSetStandTarget osSetLinkStandTarget |
H L |
SitTarget is position when sitting. StandTarget, position when unsitting. |
| llAvatarOnSitTarget llAvatarOnLinkSitTarget |
osGetSittingAvatarsCount() osGetSittingAvatarsCount(uuid) |
H K | OSSL function returns the total number of avatars sitting on a linkset. LSL functions apply only to avatars on sittarget (return NULL_KEY if sittarget is not set) and cannot operate outside the linkset. A similar result can be obtained with llGetObjectDetails(uuid, [OBJECT_SIT_COUNT]). |
| llPlaySound llLoopSound llTriggerSound ... |
osPlaySound osLoopSound osTriggerSound ... |
L | All OSSL sound functions takes a linknumber argument. |
| llLinkPlaySound | L | Universal link sound function (SOUND_PLAY, SOUND_LOOP, SOUND_TRIGGER, SOUND_SYNC). Equivalent to resp. osPlaySound, osLoopSound, osTriggerSound, osPlaySoundSlave, osLoopSoundSlave. | |
| llGetNumberOfPrims llGetObjectPrimCount |
osGetPrimCount() osGetPrimCount(uuid) |
H K | OSSL version does not count sitting avatars and does work on attachments |
| llStartAnimation llStopAnimation |
osAvatarPlayAnimation osAvatarStopAnimation |
A | Does not require PERMISSION_TRIGGER_ANIMATION OSSL can animate multiples avatars, when LSL is bound to the avatar having granted the permission. |
| llAttachToAvatar llDetachFromAvatar |
osForceAttachToAvatar osForceDetachFromAvatar |
A | Does not require PERMISSION_ATTACH. Target avatar is implicit. To attach explicitely to a given avatar, use osForceAttachToOtherAvatarFromInventory on the avatar's key. |
| llGetAgentList | osGetAvatarList osGetAgents |
llGetAgentList returns a list of agent keys. osGetAgents, a list of agant names. osGetAvatarList, a strided list of agent (key, position, name). | |
| llGetInventoryKey llGetInventoryName |
osGetInventoryItemKey osGetInventoryName |
llGetInventoryKey returns item id while osGetInventoryItemKey returns asset id. llGetInventoryName returns name from (index,type) while osGetInventoryName return name fro item id. |
