Imported existing code

indra/llcharacter/lljointstate.h

@@ -0,0 +1,134 @@
+/** 
+ * @file lljointstate.h
+ * @brief Implementation of LLJointState class.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLJOINTSTATE_H
+#define LL_LLJOINTSTATE_H
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include "lljoint.h"
+#include "llmemory.h"
+
+//-----------------------------------------------------------------------------
+// class LLJointState
+//-----------------------------------------------------------------------------
+class LLJointState : public LLRefCount
+{
+public:
+	enum BlendPhase
+	{
+		INACTIVE,
+		EASE_IN,
+		ACTIVE,
+		EASE_OUT
+	};
+protected:
+	// associated joint
+	LLJoint	*mJoint;
+
+	// indicates which members are used
+	U32		mUsage;
+
+	// indicates weighted effect of this joint 
+	F32		mWeight;
+
+	// transformation members
+	LLVector3		mPosition;	// position relative to parent joint
+	LLQuaternion	mRotation;	// joint rotation relative to parent joint
+	LLVector3		mScale;		// scale relative to rotated frame
+	LLJoint::JointPriority	mPriority;  // how important this joint state is relative to others
+public:
+	// Constructor
+	LLJointState()
+	{
+		mUsage = 0;
+		mJoint = NULL;
+		mUsage = 0;
+		mWeight = 0.f;
+		mPriority = LLJoint::USE_MOTION_PRIORITY;
+	}
+
+	LLJointState(LLJoint* joint)
+	{
+		mUsage = 0;
+		mJoint = joint;
+		mUsage = 0;
+		mWeight = 0.f;
+		mPriority = LLJoint::USE_MOTION_PRIORITY;
+	}
+
+	// joint that this state is applied to
+	LLJoint* getJoint()				{ return mJoint; }
+	const LLJoint* getJoint() const	{ return mJoint; }
+	BOOL setJoint( LLJoint *joint )	{ mJoint = joint; return mJoint != NULL; }
+
+	// transform type (bitwise flags can be combined)
+	// Note that these are set automatically when various
+	// member setPos/setRot/setScale functions are called.
+	enum Usage
+	{
+		POS		= 1,
+		ROT		= 2,
+		SCALE	= 4,
+	};
+	U32 getUsage() const			{ return mUsage; }
+	void setUsage( U32 usage )		{ mUsage = usage; }
+	F32 getWeight() const			{ return mWeight; }
+	void setWeight( F32 weight )	{ mWeight = weight; }
+
+	// get/set position
+	const LLVector3& getPosition() const		{ return mPosition; }
+	void setPosition( const LLVector3& pos )	{ llassert(mUsage & POS); mPosition = pos; }
+
+	// get/set rotation
+	const LLQuaternion& getRotation() const		{ return mRotation; }
+	void setRotation( const LLQuaternion& rot )	{ llassert(mUsage & ROT); mRotation = rot; }
+
+	// get/set scale
+	const LLVector3& getScale() const			{ return mScale; }
+	void setScale( const LLVector3& scale )		{ llassert(mUsage & SCALE); mScale = scale; }
+
+	// get/set priority
+	LLJoint::JointPriority getPriority() const	{ return mPriority; }
+	void setPriority( LLJoint::JointPriority priority ) { mPriority = priority; }
+
+protected:
+	// Destructor
+	virtual ~LLJointState()
+	{
+	}
+	
+};
+
+#endif // LL_LLJOINTSTATE_H
+