/** * @file llvisualparam.cpp * @brief Implementation of LLPolyMesh class. * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * 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. * * 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. * * 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 * $/LicenseInfo$ */ //----------------------------------------------------------------------------- // Header Files //----------------------------------------------------------------------------- #include "linden_common.h" #include "llvisualparam.h" //----------------------------------------------------------------------------- // LLVisualParamInfo() //----------------------------------------------------------------------------- LLVisualParamInfo::LLVisualParamInfo() : mID( -1 ), mGroup( VISUAL_PARAM_GROUP_TWEAKABLE ), mMinWeight( 0.f ), mMaxWeight( 1.f ), mDefaultWeight( 0.f ), mSex( SEX_BOTH ) { } //----------------------------------------------------------------------------- // parseXml() //----------------------------------------------------------------------------- BOOL LLVisualParamInfo::parseXml(LLXmlTreeNode *node) { // attribute: id static LLStdStringHandle id_string = LLXmlTree::addAttributeString("id"); node->getFastAttributeS32( id_string, mID ); // attribute: group U32 group = 0; static LLStdStringHandle group_string = LLXmlTree::addAttributeString("group"); if( node->getFastAttributeU32( group_string, group ) ) { if( group < NUM_VISUAL_PARAM_GROUPS ) { mGroup = (EVisualParamGroup)group; } } // attribute: value_min, value_max static LLStdStringHandle value_min_string = LLXmlTree::addAttributeString("value_min"); static LLStdStringHandle value_max_string = LLXmlTree::addAttributeString("value_max"); node->getFastAttributeF32( value_min_string, mMinWeight ); node->getFastAttributeF32( value_max_string, mMaxWeight ); // attribute: value_default F32 default_weight = 0; static LLStdStringHandle value_default_string = LLXmlTree::addAttributeString("value_default"); if( node->getFastAttributeF32( value_default_string, default_weight ) ) { mDefaultWeight = llclamp( default_weight, mMinWeight, mMaxWeight ); if( default_weight != mDefaultWeight ) { llwarns << "value_default attribute is out of range in node " << mName << " " << default_weight << llendl; } } // attribute: sex std::string sex = "both"; static LLStdStringHandle sex_string = LLXmlTree::addAttributeString("sex"); node->getFastAttributeString( sex_string, sex ); // optional if( sex == "both" ) { mSex = SEX_BOTH; } else if( sex == "male" ) { mSex = SEX_MALE; } else if( sex == "female" ) { mSex = SEX_FEMALE; } else { llwarns << "Avatar file: <param> has invalid sex attribute: " << sex << llendl; return FALSE; } // attribute: name static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name"); if( !node->getFastAttributeString( name_string, mName ) ) { llwarns << "Avatar file: <param> is missing name attribute" << llendl; return FALSE; } // attribute: label static LLStdStringHandle label_string = LLXmlTree::addAttributeString("label"); if( !node->getFastAttributeString( label_string, mDisplayName ) ) { mDisplayName = mName; } // JC - make sure the display name includes the capitalization in the XML file, // not the lowercased version. LLStringUtil::toLower(mName); // attribute: label_min static LLStdStringHandle label_min_string = LLXmlTree::addAttributeString("label_min"); if( !node->getFastAttributeString( label_min_string, mMinName ) ) { mMinName = "Less"; } // attribute: label_max static LLStdStringHandle label_max_string = LLXmlTree::addAttributeString("label_max"); if( !node->getFastAttributeString( label_max_string, mMaxName ) ) { mMaxName = "More"; } return TRUE; } //virtual void LLVisualParamInfo::toStream(std::ostream &out) { out << mID << "\t"; out << mName << "\t"; out << mDisplayName << "\t"; out << mMinName << "\t"; out << mMaxName << "\t"; out << mGroup << "\t"; out << mMinWeight << "\t"; out << mMaxWeight << "\t"; out << mDefaultWeight << "\t"; out << mSex << "\t"; } //----------------------------------------------------------------------------- // LLVisualParam() //----------------------------------------------------------------------------- LLVisualParam::LLVisualParam() : mCurWeight( 0.f ), mLastWeight( 0.f ), mNext( NULL ), mTargetWeight( 0.f ), mIsAnimating( FALSE ), mID( -1 ), mInfo( 0 ), mIsDummy(FALSE) { } //----------------------------------------------------------------------------- // ~LLVisualParam() //----------------------------------------------------------------------------- LLVisualParam::~LLVisualParam() { delete mNext; } /* //============================================================================= // These virtual functions should always be overridden, // but are included here for use as templates //============================================================================= //----------------------------------------------------------------------------- // setInfo() //----------------------------------------------------------------------------- BOOL LLVisualParam::setInfo(LLVisualParamInfo *info) { llassert(mInfo == NULL); if (info->mID < 0) return FALSE; mInfo = info; mID = info->mID; setWeight(getDefaultWeight(), FALSE ); return TRUE; } //----------------------------------------------------------------------------- // parseData() //----------------------------------------------------------------------------- BOOL LLVisualParam::parseData(LLXmlTreeNode *node) { LLVisualParamInfo *info = new LLVisualParamInfo; info->parseXml(node); if (!setInfo(info)) return FALSE; return TRUE; } */ //----------------------------------------------------------------------------- // setWeight() //----------------------------------------------------------------------------- void LLVisualParam::setWeight(F32 weight, BOOL upload_bake) { if (mIsAnimating) { //RN: allow overshoot mCurWeight = weight; } else if (mInfo) { mCurWeight = llclamp(weight, mInfo->mMinWeight, mInfo->mMaxWeight); } else { mCurWeight = weight; } if (mNext) { mNext->setWeight(weight, upload_bake); } } //----------------------------------------------------------------------------- // setAnimationTarget() //----------------------------------------------------------------------------- void LLVisualParam::setAnimationTarget(F32 target_value, BOOL upload_bake) { // don't animate dummy parameters if (mIsDummy) { setWeight(target_value, upload_bake); return; } if (mInfo) { if (isTweakable()) { mTargetWeight = llclamp(target_value, mInfo->mMinWeight, mInfo->mMaxWeight); } } else { mTargetWeight = target_value; } mIsAnimating = TRUE; if (mNext) { mNext->setAnimationTarget(target_value, upload_bake); } } //----------------------------------------------------------------------------- // setNextParam() //----------------------------------------------------------------------------- void LLVisualParam::setNextParam( LLVisualParam *next ) { llassert(!mNext); llassert(getWeight() == getDefaultWeight()); // need to establish mNext before we start changing values on this, else initial value won't get mirrored (we can fix that, but better to forbid this pattern) mNext = next; } //----------------------------------------------------------------------------- // animate() //----------------------------------------------------------------------------- void LLVisualParam::animate( F32 delta, BOOL upload_bake ) { if (mIsAnimating) { F32 new_weight = ((mTargetWeight - mCurWeight) * delta) + mCurWeight; setWeight(new_weight, upload_bake); } } //----------------------------------------------------------------------------- // stopAnimating() //----------------------------------------------------------------------------- void LLVisualParam::stopAnimating(BOOL upload_bake) { if (mIsAnimating && isTweakable()) { mIsAnimating = FALSE; setWeight(mTargetWeight, upload_bake); } } //virtual BOOL LLVisualParam::linkDrivenParams(visual_param_mapper mapper, BOOL only_cross_params) { // nothing to do for non-driver parameters return TRUE; } //virtual void LLVisualParam::resetDrivenParams() { // nothing to do for non-driver parameters return; }