Imported existing code

indra/llcharacter/llvisualparam.cpp

@@ -0,0 +1,290 @@
+/** 
+ * @file llvisualparam.cpp
+ * @brief Implementation of LLPolyMesh 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 "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;
+}
+
+//-----------------------------------------------------------------------------
+// LLVisualParam()
+//-----------------------------------------------------------------------------
+LLVisualParam::LLVisualParam()	
+	:
+	mCurWeight( 0.f ),
+	mLastWeight( 0.f ),
+	mNext( NULL ),
+	mTargetWeight( 0.f ),
+	mIsAnimating( FALSE ),
+	mID( -1 ),
+	mInfo( 0 )
+{
+}
+
+//-----------------------------------------------------------------------------
+// ~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 set_by_user)
+{
+	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, set_by_user);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// setAnimationTarget()
+//-----------------------------------------------------------------------------
+void LLVisualParam::setAnimationTarget(F32 target_value, BOOL set_by_user)
+{
+	if (mInfo)
+	{
+		if (getGroup() == VISUAL_PARAM_GROUP_TWEAKABLE)
+		{
+			mTargetWeight = llclamp(target_value, mInfo->mMinWeight, mInfo->mMaxWeight);
+		}
+	}
+	else
+	{
+		mTargetWeight = target_value;
+	}
+	mIsAnimating = TRUE;
+
+	if (mNext)
+	{
+		mNext->setAnimationTarget(target_value, set_by_user);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// setNextParam()
+//-----------------------------------------------------------------------------
+void LLVisualParam::setNextParam( LLVisualParam *next )
+{
+	llassert(!mNext);
+
+	mNext = next;
+}
+
+//-----------------------------------------------------------------------------
+// animate()
+//-----------------------------------------------------------------------------
+void LLVisualParam::animate( F32 delta, BOOL set_by_user )
+{
+	if (mIsAnimating)
+	{
+		F32 new_weight = ((mTargetWeight - mCurWeight) * delta) + mCurWeight;
+		setWeight(new_weight, set_by_user);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// stopAnimating()
+//-----------------------------------------------------------------------------
+void LLVisualParam::stopAnimating(BOOL set_by_user)
+{ 
+	if (mIsAnimating && getGroup() == VISUAL_PARAM_GROUP_TWEAKABLE)
+	{
+		mIsAnimating = FALSE; 
+		setWeight(mTargetWeight, set_by_user);
+	}
+}