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add llWorldPosToHUD

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This commit is contained in:
UbitUmarov
2025-08-16 04:31:17 +01:00
parent 4ec6248dad
commit 392d324863
3 changed files with 68 additions and 0 deletions
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62
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
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@@ -19609,6 +19609,68 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
return 0;
}
public LSL_Vector llWorldPosToHUD(LSL_Vector wp)
{
if(!m_host.ParentGroup.IsAttachment)
return LSL_Vector.Zero;
uint atp = m_host.ParentGroup.AttachmentPoint;
if(atp < (uint)AttachmentPoint.HUDCenter2 || atp > (uint)AttachmentPoint.HUDBottomRight)
return LSL_Vector.Zero;
if (m_item.PermsGranter.NotEqual(m_host.OwnerID) ||
(m_item.PermsMask & ScriptBaseClass.PERMISSION_TRACK_CAMERA) == 0)
{
Error("llGetCameraPos", "No permissions to track the camera");
return LSL_Vector.Zero;
}
ScenePresence sp = World.GetScenePresence(m_host.OwnerID);
if(sp is null)
return LSL_Vector.Zero;
Vector3 totarget = (Vector3)wp - sp.CameraPosition;
totarget.Normalize();
float at = totarget.Dot(sp.CameraAtAxis);
float left = totarget.Dot(sp.CameraLeftAxis);
float up = totarget.Dot(sp.CameraUpAxis);
if(atp != (uint)AttachmentPoint.HUDCenter2 && atp != (uint)AttachmentPoint.HUDCenter2)
{
int h = sp.ControllingClient.viewHeight;
if(h > 0)
{
float aspect = 0.5f * (float)sp.ControllingClient.viewWidth / h;
switch(atp)
{
case (uint)AttachmentPoint.HUDTop:
up -= 0.5f;
break;
case (uint)AttachmentPoint.HUDTopLeft:
up -= 0.5f;
left -= aspect;
break;
case (uint)AttachmentPoint.HUDTopRight:
up -= 0.5f;
left += aspect;
break;
case (uint)AttachmentPoint.HUDBottom:
up += 0.5f;
break;
case (uint)AttachmentPoint.HUDBottomLeft:
up += 0.5f;
left -= aspect;
break;
case (uint)AttachmentPoint.HUDBottomRight:
up += 0.5f;
left += aspect;
break;
}
}
}
return new(at > 0 ? 1 : -1, left, up);
}
static string HMAC_SHA224(string key, string message)
{
const int blockSize = 64;