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-rw-r--r--indra/newview/llphysicsmotion.cpp65
1 files changed, 32 insertions, 33 deletions
diff --git a/indra/newview/llphysicsmotion.cpp b/indra/newview/llphysicsmotion.cpp
index 7799ef04e6..23fa0cbd9c 100644
--- a/indra/newview/llphysicsmotion.cpp
+++ b/indra/newview/llphysicsmotion.cpp
@@ -2,31 +2,25 @@
* @file llphysicsmotion.cpp
* @brief Implementation of LLPhysicsMotion class.
*
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2009, Linden Research, Inc.
- *
+ * $LicenseInfo:firstyear=2011&license=viewerlgpl$
* 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
+ * Copyright (C) 2011, Linden Research, Inc.
*
- * 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
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
*
- * 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.
+ * This library 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
+ * Lesser General Public License for more details.
*
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
@@ -127,7 +121,8 @@ protected:
return mCharacter->getVisualParamWeight(param_name.c_str());
}
void setParamValue(LLViewerVisualParam *param,
- const F32 new_value_local);
+ const F32 new_value_local,
+ F32 behavior_maxeffect);
F32 toLocal(const LLVector3 &world);
F32 calculateVelocity_local(const F32 time_delta);
@@ -478,9 +473,6 @@ BOOL LLPhysicsMotion::onUpdate(F32 time)
F32 behavior_maxeffect = getParamValue("MaxEffect");
if (physics_test)
behavior_maxeffect = 1.0f;
- // Maximum effect is [0,1] range.
- const F32 min_val = 0.5f-behavior_maxeffect/2.0;
- const F32 max_val = 0.5f+behavior_maxeffect/2.0;
// mPositon_local should be in normalized 0,1 range already. Just making sure...
F32 position_current_local = llclamp(mPosition_local,
@@ -578,12 +570,12 @@ BOOL LLPhysicsMotion::onUpdate(F32 time)
position_new_local = position_user_local;
// Zero out the velocity if the param is being pushed beyond its limits.
- if ((position_new_local < min_val && velocity_new_local < 0) ||
- (position_new_local > max_val && velocity_new_local > 0))
+ if ((position_new_local < 0 && velocity_new_local < 0) ||
+ (position_new_local > 1 && velocity_new_local > 0))
{
velocity_new_local = 0;
}
-
+
// Check for NaN values. A NaN value is detected if the variables doesn't equal itself.
// If NaN, then reset everything.
if ((mPosition_local != mPosition_local) ||
@@ -601,8 +593,8 @@ BOOL LLPhysicsMotion::onUpdate(F32 time)
}
const F32 position_new_local_clamped = llclamp(position_new_local,
- min_val,
- max_val);
+ 0.0f,
+ 1.0f);
LLDriverParam *driver_param = dynamic_cast<LLDriverParam *>(mParamDriver);
llassert_always(driver_param);
@@ -623,7 +615,7 @@ BOOL LLPhysicsMotion::onUpdate(F32 time)
{
LLDrivenEntry &entry = (*iter);
LLViewerVisualParam *driven_param = entry.mParam;
- setParamValue(driven_param,position_new_local_clamped);
+ setParamValue(driven_param,position_new_local_clamped, behavior_maxeffect);
}
}
@@ -705,12 +697,19 @@ BOOL LLPhysicsMotion::onUpdate(F32 time)
// Range of new_value_local is assumed to be [0 , 1] normalized.
void LLPhysicsMotion::setParamValue(LLViewerVisualParam *param,
- F32 new_value_normalized)
+ F32 new_value_normalized,
+ F32 behavior_maxeffect)
{
const F32 value_min_local = param->getMinWeight();
const F32 value_max_local = param->getMaxWeight();
+ const F32 min_val = 0.5f-behavior_maxeffect/2.0;
+ const F32 max_val = 0.5f+behavior_maxeffect/2.0;
- const F32 new_value_local = value_min_local + (value_max_local-value_min_local) * new_value_normalized;
+ // Scale from [0,1] to [min_val,max_val]
+ const F32 new_value_rescaled = min_val + (max_val-min_val) * new_value_normalized;
+
+ // Scale from [0,1] to [value_min_local,value_max_local]
+ const F32 new_value_local = value_min_local + (value_max_local-value_min_local) * new_value_rescaled;
mCharacter->setVisualParamWeight(param,
new_value_local,