diff options
Diffstat (limited to 'indra/newview/llphysicsmotion.cpp')
-rw-r--r-- | indra/newview/llphysicsmotion.cpp | 65 |
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, |