protected LSL_List SetPrimParams(ScenePresence av, LSL_List rules, string originFunc, ref uint rulesParsed)
{
//This is a special version of SetPrimParams to deal with avatars which are sitting on the linkset.
int idx = 0;
int idxStart = 0;
bool positionChanged = false;
try
{
while (idx < rules.Length)
{
++rulesParsed;
int code = rules.GetLSLIntegerItem(idx++);
int remain = rules.Length - idx;
idxStart = idx;
switch (code)
{
case (int)ScriptBaseClass.PRIM_POSITION:
case (int)ScriptBaseClass.PRIM_POS_LOCAL:
{
if (remain < 1)
return new LSL_List();
LSL_Vector v;
v = rules.GetVector3Item(idx++);
if(!av.LegacySitOffsets)
{
LSL_Vector sitOffset = (llRot2Up(new LSL_Rotation(av.Rotation.X, av.Rotation.Y, av.Rotation.Z, av.Rotation.W)) * av.Appearance.AvatarHeight * 0.02638f);
v = v + 2 * sitOffset;
}
av.OffsetPosition = new Vector3((float)v.x, (float)v.y, (float)v.z);
positionChanged = true;
}
break;
case (int)ScriptBaseClass.PRIM_ROTATION:
{
if (remain < 1)
return new LSL_List();
Quaternion r;
r = rules.GetQuaternionItem(idx++);
av.Rotation = m_host.GetWorldRotation() * r;
positionChanged = true;
}
break;
case (int)ScriptBaseClass.PRIM_ROT_LOCAL:
{
if (remain < 1)
return new LSL_List();
LSL_Rotation r;
r = rules.GetQuaternionItem(idx++);
av.Rotation = r;
positionChanged = true;
}
break;
// parse rest doing nothing but number of parameters error check
case (int)ScriptBaseClass.PRIM_SIZE:
case (int)ScriptBaseClass.PRIM_MATERIAL:
case (int)ScriptBaseClass.PRIM_PHANTOM:
case (int)ScriptBaseClass.PRIM_PHYSICS:
case (int)ScriptBaseClass.PRIM_PHYSICS_SHAPE_TYPE:
case (int)ScriptBaseClass.PRIM_TEMP_ON_REZ:
case (int)ScriptBaseClass.PRIM_NAME:
case (int)ScriptBaseClass.PRIM_DESC:
if (remain < 1)
return new LSL_List();
idx++;
break;
case (int)ScriptBaseClass.PRIM_GLOW:
case (int)ScriptBaseClass.PRIM_FULLBRIGHT:
case (int)ScriptBaseClass.PRIM_TEXGEN:
if (remain < 2)
return new LSL_List();
idx += 2;
break;
case (int)ScriptBaseClass.PRIM_TYPE:
if (remain < 3)
return new LSL_List();
code = (int)rules.GetLSLIntegerItem(idx++);
remain = rules.Length - idx;
switch (code)
{
case (int)ScriptBaseClass.PRIM_TYPE_BOX:
case (int)ScriptBaseClass.PRIM_TYPE_CYLINDER:
case (int)ScriptBaseClass.PRIM_TYPE_PRISM:
if (remain < 6)
return new LSL_List();
idx += 6;
break;
case (int)ScriptBaseClass.PRIM_TYPE_SPHERE:
if (remain < 5)
return new LSL_List();
idx += 5;
break;
case (int)ScriptBaseClass.PRIM_TYPE_TORUS:
case (int)ScriptBaseClass.PRIM_TYPE_TUBE:
case (int)ScriptBaseClass.PRIM_TYPE_RING:
if (remain < 11)
return new LSL_List();
idx += 11;
break;
case (int)ScriptBaseClass.PRIM_TYPE_SCULPT:
if (remain < 2)
return new LSL_List();
idx += 2;
break;
}
break;
case (int)ScriptBaseClass.PRIM_COLOR:
case (int)ScriptBaseClass.PRIM_TEXT:
case (int)ScriptBaseClass.PRIM_BUMP_SHINY:
case (int)ScriptBaseClass.PRIM_OMEGA:
if (remain < 3)
return new LSL_List();
idx += 3;
break;
case (int)ScriptBaseClass.PRIM_TEXTURE:
case (int)ScriptBaseClass.PRIM_POINT_LIGHT:
case (int)ScriptBaseClass.PRIM_PHYSICS_MATERIAL:
if (remain < 5)
return new LSL_List();
idx += 5;
break;
case (int)ScriptBaseClass.PRIM_FLEXIBLE:
if (remain < 7)
return new LSL_List();
idx += 7;
break;
case (int)ScriptBaseClass.PRIM_LINK_TARGET:
if (remain < 3) // setting to 3 on the basis that parsing any usage of PRIM_LINK_TARGET that has nothing following it is pointless.
return new LSL_List();
return rules.GetSublist(idx, -1);
}
}
}
catch (InvalidCastException e)
{
Error(originFunc,string.Format(
" error running rule #{1}: arg #{2} ",
rulesParsed, idx - idxStart) + e.Message);
}
finally
{
if (positionChanged)
av.SendTerseUpdateToAllClients();
}
return new LSL_List();
}