From 901acddbdd38c441426f43cbfa78c422a19cec17 Mon Sep 17 00:00:00 2001
From: Dahlia Trimble
Date: Wed, 15 Oct 2008 04:42:28 +0000
Subject: Thanks to M. Igarashi and nlin for a patch that implements
llGetCameraRot().
---
OpenSim/Framework/Util.cs | 54 ++++++++++++++++++++++
OpenSim/Region/Environment/Scenes/ScenePresence.cs | 5 ++
.../Shared/Api/Implementation/LSL_Api.cs | 16 ++++++-
3 files changed, 74 insertions(+), 1 deletion(-)
(limited to 'OpenSim')
diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index 57c1601..28c818a 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -116,6 +116,60 @@ namespace OpenSim.Framework
# endregion
+ public static Quaternion Axes2Rot(Vector3 fwd, Vector3 left, Vector3 up)
+ {
+ float s;
+ float tr = (float) (fwd.X + left.Y + up.Z + 1.0);
+
+ if (tr >= 1.0)
+ {
+ s = (float) (0.5 / Math.Sqrt(tr));
+ return new Quaternion(
+ (left.Z - up.Y) * s,
+ (up.X - fwd.Z) * s,
+ (fwd.Y - left.X) * s,
+ (float) 0.25 / s);
+ }
+ else
+ {
+ float max = (left.Y > up.Z) ? left.Y : up.Z;
+
+ if (max < fwd.X)
+ {
+ s = (float) (Math.Sqrt(fwd.X - (left.Y + up.Z) + 1.0));
+ float x = (float) (s * 0.5);
+ s = (float) (0.5 / s);
+ return new Quaternion(
+ x,
+ (fwd.Y + left.X) * s,
+ (up.X + fwd.Z) * s,
+ (left.Z - up.Y) * s);
+ }
+ else if (max == left.Y)
+ {
+ s = (float) (Math.Sqrt(left.Y - (up.Z + fwd.X) + 1.0));
+ float y = (float) (s * 0.5);
+ s = (float) (0.5 / s);
+ return new Quaternion(
+ (fwd.Y + left.X) * s,
+ y,
+ (left.Z + up.Y) * s,
+ (up.X - fwd.Z) * s);
+ }
+ else
+ {
+ s = (float) (Math.Sqrt(up.Z - (fwd.X + left.Y) + 1.0));
+ float z = (float) (s * 0.5);
+ s = (float) (0.5 / s);
+ return new Quaternion(
+ (up.X + fwd.Z) * s,
+ (left.Z + up.Y) * s,
+ z,
+ (fwd.Y - left.X) * s);
+ }
+ }
+ }
+
public static Random RandomClass
{
get { return randomClass; }
diff --git a/OpenSim/Region/Environment/Scenes/ScenePresence.cs b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
index d87a7e2..6f5372a 100644
--- a/OpenSim/Region/Environment/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
@@ -252,6 +252,11 @@ namespace OpenSim.Region.Environment.Scenes
get { return m_CameraCenter; }
}
+ public Quaternion CameraRotation
+ {
+ get { return Util.Axes2Rot(m_CameraAtAxis, m_CameraLeftAxis, m_CameraUpAxis); }
+ }
+
public Vector3 Lookat
{
get
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 7993d95..826324f 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -7531,7 +7531,21 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
public LSL_Rotation llGetCameraRot()
{
m_host.AddScriptLPS(1);
- NotImplemented("llGetCameraRot");
+ UUID invItemID=InventorySelf();
+ if (invItemID == UUID.Zero)
+ return new LSL_Rotation();
+ if (m_host.TaskInventory[invItemID].PermsGranter == UUID.Zero)
+ return new LSL_Rotation();
+ if ((m_host.TaskInventory[invItemID].PermsMask & ScriptBaseClass.PERMISSION_TRACK_CAMERA) == 0)
+ {
+ ShoutError("No permissions to track the camera");
+ return new LSL_Rotation();
+ }
+ ScenePresence presence = World.GetScenePresence(m_host.OwnerID);
+ if (presence != null)
+ {
+ return new LSL_Rotation(presence.CameraRotation.X, presence.CameraRotation.Y, presence.CameraRotation.Z, presence.CameraRotation.W);
+ }
return new LSL_Rotation();
}
--
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