Imported existing code

indra/llcharacter/llmotion.cpp

@@ -0,0 +1,177 @@
+/** 
+ * @file llmotion.cpp
+ * @brief Implementation of LLMotion 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.
+ * $/LicenseInfo$
+ */
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include "linden_common.h"
+
+#include "llmotion.h"
+#include "llcriticaldamp.h"
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// LLMotion class
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// LLMotion()
+// Class Constructor
+//-----------------------------------------------------------------------------
+LLMotion::LLMotion( const LLUUID &id ) :
+	mStopped(TRUE),
+	mActive(FALSE),
+	mID(id),
+	mActivationTimestamp(0.f),
+	mStopTimestamp(0.f),
+	mSendStopTimestamp(F32_MAX),
+	mResidualWeight(0.f),
+	mFadeWeight(1.f),
+	mDeactivateCallback(NULL),
+	mDeactivateCallbackUserData(NULL)
+{
+	for (int i=0; i<3; ++i)
+		memset(&mJointSignature[i][0], 0, sizeof(U8) * LL_CHARACTER_MAX_JOINTS);
+}
+
+//-----------------------------------------------------------------------------
+// ~LLMotion()
+// Class Destructor
+//-----------------------------------------------------------------------------
+LLMotion::~LLMotion()
+{
+}
+
+//-----------------------------------------------------------------------------
+// fadeOut()
+//-----------------------------------------------------------------------------
+void LLMotion::fadeOut()
+{
+	if (mFadeWeight > 0.01f)
+	{
+		mFadeWeight = lerp(mFadeWeight, 0.f, LLCriticalDamp::getInterpolant(0.15f));
+	}
+	else
+	{
+		mFadeWeight = 0.f;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// fadeIn()
+//-----------------------------------------------------------------------------
+void LLMotion::fadeIn()
+{
+	if (mFadeWeight < 0.99f)
+	{
+		mFadeWeight = lerp(mFadeWeight, 1.f, LLCriticalDamp::getInterpolant(0.15f));
+	}
+	else
+	{
+		mFadeWeight = 1.f;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// addJointState()
+//-----------------------------------------------------------------------------
+void LLMotion::addJointState(const LLPointer<LLJointState>& jointState)
+{
+	mPose.addJointState(jointState);
+	S32 priority = jointState->getPriority();
+	if (priority == LLJoint::USE_MOTION_PRIORITY)
+	{
+		priority = getPriority();	
+	}
+
+	U32 usage = jointState->getUsage();
+
+	// for now, usage is everything
+	mJointSignature[0][jointState->getJoint()->getJointNum()] = (usage & LLJointState::POS) ? (0xff >> (7 - priority)) : 0;
+	mJointSignature[1][jointState->getJoint()->getJointNum()] = (usage & LLJointState::ROT) ? (0xff >> (7 - priority)) : 0;
+	mJointSignature[2][jointState->getJoint()->getJointNum()] = (usage & LLJointState::SCALE) ? (0xff >> (7 - priority)) : 0;
+}
+
+void LLMotion::setDeactivateCallback( void (*cb)(void *), void* userdata )
+{
+	mDeactivateCallback = cb;
+	mDeactivateCallbackUserData = userdata;
+}
+
+//virtual
+void LLMotion::setStopTime(F32 time)
+{
+	mStopTimestamp = time;
+	mStopped = TRUE;
+}
+
+BOOL LLMotion::isBlending()
+{
+	return mPose.getWeight() < 1.f;
+}
+
+//-----------------------------------------------------------------------------
+// activate()
+//-----------------------------------------------------------------------------
+void LLMotion::activate(F32 time)
+{
+	mActivationTimestamp = time;
+	mStopped = FALSE;
+	mActive = TRUE;
+	onActivate();
+}
+
+//-----------------------------------------------------------------------------
+// deactivate()
+//-----------------------------------------------------------------------------
+void LLMotion::deactivate()
+{
+	mActive = FALSE;
+	mPose.setWeight(0.f);
+
+	if (mDeactivateCallback)
+	{
+		(*mDeactivateCallback)(mDeactivateCallbackUserData);
+		mDeactivateCallback = NULL; // only call callback once
+		mDeactivateCallbackUserData = NULL;
+	}
+
+	onDeactivate();
+}
+
+BOOL LLMotion::canDeprecate()
+{
+	return TRUE;
+}
+
+// End