Hoist MOULOpenSourceClientPlugin/Plasma20/* to top level

to match H'uru layout and make patching/cherry-picking easier.

Sources/Plasma/PubUtilLib/plDrawable/plTimedInterp.h

@@ -0,0 +1,164 @@
+/*==LICENSE==*
+
+CyanWorlds.com Engine - MMOG client, server and tools
+Copyright (C) 2011 Cyan Worlds, Inc.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Additional permissions under GNU GPL version 3 section 7
+
+If you modify this Program, or any covered work, by linking or
+combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
+NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
+JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
+(or a modified version of those libraries),
+containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
+PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
+JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
+licensors of this Program grant you additional
+permission to convey the resulting work. Corresponding Source for a
+non-source form of such a combination shall include the source code for
+the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
+work.
+
+You can contact Cyan Worlds, Inc. by email legal@cyan.com
+ or by snail mail at:
+      Cyan Worlds, Inc.
+      14617 N Newport Hwy
+      Mead, WA   99021
+
+*==LICENSE==*/
+
+#ifndef plTimedInterp_inc
+#define plTimedInterp_inc
+
+// There's no auto update on this, the owner is
+// required to call update periodically.
+//
+// This isn't optimized in any way, and is still
+// fairly general. Adding features would most likely
+// be best implemented in a derived type.
+// Notably lacking features are:
+//		ability to read and write, 
+//		auto-eval on significant time change
+//		
+//
+// Requires class T to have the following members
+// T& operator+=(const class T& t);
+// T& operator-=(const class T& t);
+// T& operator*=(hsScalar scale);
+// T& operator=(const class T&); // unless builtin = is adequate.
+//
+template <class T> class plTimedInterp
+{
+protected:
+	T			fInit;
+	T			fCurr;
+	T			fTarg;
+
+	double		fDuration;
+	double		fEnd;
+
+	const T& IEnd();
+	const T& IBegin();
+	const T& IEval(hsScalar parm);
+public:
+	plTimedInterp();
+	plTimedInterp(const T& t);
+
+	const T& Set(const T& val) { return SetTarget(val, 0, 0); }
+	const T& SetTarget(const T& targ, double start, double duration);
+
+	const T& Update(double t);
+
+	operator T() const { return fCurr; }
+	const T& Value() const { return fCurr; }
+};
+
+template <class T>
+plTimedInterp<T>::plTimedInterp()
+:	fDuration(0),
+	fEnd(0)
+{
+}
+
+template <class T>
+plTimedInterp<T>::plTimedInterp(const T& t)
+:	fInit(t),
+	fCurr(t),
+	fTarg(t),
+	fDuration(0),
+	fEnd(0)
+{
+}
+
+template <class T>
+const T& 
+plTimedInterp<T>::Update(double t)
+{
+	if( fDuration <= 0 )
+		return IEnd();
+
+	hsScalar parm = hsScalar((fEnd - t) / fDuration);
+	if( parm <= 0 )
+		return IEnd();
+	else if( parm >= 1.f )
+		return IBegin();
+
+	return IEval(parm);
+}
+
+template <class T>
+const T& 
+plTimedInterp<T>::SetTarget(const T& targ, double start, double dur)
+{
+	fEnd = start + dur;
+	fDuration = dur;
+	fTarg = targ;
+	if( dur <= 0 )
+		fCurr = targ;
+	fInit = fCurr;
+	return fCurr;
+}
+
+template <class T>
+const T& 
+plTimedInterp<T>::IEnd()
+{
+	fDuration = 0;
+	fCurr = fTarg;
+	return fCurr;
+}
+
+template <class T>
+const T& 
+plTimedInterp<T>::IBegin()
+{
+	return fCurr;
+}
+
+template <class T>
+const T& 
+plTimedInterp<T>::IEval(hsScalar parm)
+{
+	fCurr = fInit;
+	fCurr -= fTarg;
+	fCurr *= parm;
+	fCurr += fTarg;
+	return fCurr;
+}
+
+
+#endif // plTimedInterp_inc
+