Reset joint positions after detaching a rigged model

2 files changed, 26 insertions, 1 deletions

diff --git a/indra/llcharacter/lljoint.cpp b/indra/llcharacter/lljoint.cpp
index 2449b01e15..522d760c7d 100644
--- a/indra/llcharacter/lljoint.cpp
+++ b/indra/llcharacter/lljoint.cpp
@@ -239,6 +239,17 @@ void LLJoint::setPosition( const LLVector3& pos )
 	}
 }
 
+
+//--------------------------------------------------------------------
+// setPosition()
+//--------------------------------------------------------------------
+void LLJoint::setDefaultFromCurrentXform( void )
+{
+	mDefaultXform = mXform;
+	touch(MATRIX_DIRTY | POSITION_DIRTY);
+	
+}
+
 //--------------------------------------------------------------------
 // storeCurrentXform()
 //--------------------------------------------------------------------
@@ -254,6 +265,14 @@ void LLJoint::restoreOldXform( void )
 {
 	mXform = mOldXform;
 }
+//--------------------------------------------------------------------
+// restoreOldXform()
+//--------------------------------------------------------------------
+void LLJoint::restoreToDefaultXform( void )
+{	
+	mXform = mDefaultXform;
+	setPosition( mXform.getPosition() );	
+}
 
 //--------------------------------------------------------------------
 // getWorldPosition()
diff --git a/indra/llcharacter/lljoint.h b/indra/llcharacter/lljoint.h
index cf644e899f..6506f8ad03 100644
--- a/indra/llcharacter/lljoint.h
+++ b/indra/llcharacter/lljoint.h
@@ -87,6 +87,7 @@ protected:
 	// explicit transformation members
 	LLXformMatrix		mXform;
 	LLXformMatrix		mOldXform;
+	LLXformMatrix		mDefaultXform;
 
 public:
 	U32				mDirtyFlags;
@@ -137,7 +138,9 @@ public:
 	// get/set local position
 	const LLVector3& getPosition();
 	void setPosition( const LLVector3& pos );
-
+	
+	void setDefaultPosition( const LLVector3& pos );
+	
 	// get/set world position
 	LLVector3 getWorldPosition();
 	LLVector3 getLastWorldPosition();
@@ -181,6 +184,9 @@ public:
 	void setJointNum(S32 joint_num) { mJointNum = joint_num; }
 	
 	void restoreOldXform( void );
+	void restoreToDefaultXform( void );
+	void setDefaultFromCurrentXform( void );
+	
 	void storeCurrentXform( const LLVector3& pos );
 };
 #endif // LL_LLJOINT_H