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path: root/indra/llappearance/lltexglobalcolor.cpp
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/**
 * @file lltexlayerglobalcolor.cpp
 * @brief Color for texture layers.
 *
 * $LicenseInfo:firstyear=2008&license=viewerlgpl$
 * 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
 * $/LicenseInfo$
 */

#include "linden_common.h"
#include "llavatarappearance.h"
#include "lltexlayer.h"
#include "lltexglobalcolor.h"

class LLWearable;

//-----------------------------------------------------------------------------
// LLTexGlobalColor
//-----------------------------------------------------------------------------

LLTexGlobalColor::LLTexGlobalColor(LLAvatarAppearance* appearance)
    :
    mAvatarAppearance(appearance),
    mInfo(NULL)
{
}

LLTexGlobalColor::~LLTexGlobalColor()
{
    // mParamColorList are LLViewerVisualParam's and get deleted with ~LLCharacter()
    //std::for_each(mParamColorList.begin(), mParamColorList.end(), DeletePointer());
}

bool LLTexGlobalColor::setInfo(LLTexGlobalColorInfo *info)
{
    llassert(mInfo == NULL);
    mInfo = info;
    //mID = info->mID; // No ID

    mParamGlobalColorList.reserve(mInfo->mParamColorInfoList.size());
    for (LLTexLayerParamColorInfo* color_info : mInfo->mParamColorInfoList)
    {
        LLTexParamGlobalColor* param_color = new LLTexParamGlobalColor(this);
        if (!param_color->setInfo(color_info, true))
        {
            mInfo = NULL;
            return false;
        }
        mParamGlobalColorList.push_back(param_color);
    }

    return true;
}

LLColor4 LLTexGlobalColor::getColor() const
{
    // Sum of color params
    if (mParamGlobalColorList.empty())
        return LLColor4(1.f, 1.f, 1.f, 1.f);

    LLColor4 net_color(0.f, 0.f, 0.f, 0.f);
    LLTexLayer::calculateTexLayerColor(mParamGlobalColorList, net_color);
    return net_color;
}

const std::string& LLTexGlobalColor::getName() const
{
    return mInfo->mName;
}

//-----------------------------------------------------------------------------
// LLTexParamGlobalColor
//-----------------------------------------------------------------------------
LLTexParamGlobalColor::LLTexParamGlobalColor(LLTexGlobalColor* tex_global_color)
    : LLTexLayerParamColor(tex_global_color->getAvatarAppearance()),
    mTexGlobalColor(tex_global_color)
{
}

//-----------------------------------------------------------------------------
// LLTexParamGlobalColor
//-----------------------------------------------------------------------------
LLTexParamGlobalColor::LLTexParamGlobalColor(const LLTexParamGlobalColor& pOther)
    : LLTexLayerParamColor(pOther),
    mTexGlobalColor(pOther.mTexGlobalColor)
{
}

//-----------------------------------------------------------------------------
// ~LLTexParamGlobalColor
//-----------------------------------------------------------------------------
LLTexParamGlobalColor::~LLTexParamGlobalColor()
{
}

/*virtual*/ LLViewerVisualParam* LLTexParamGlobalColor::cloneParam(LLWearable* wearable) const
{
    return new LLTexParamGlobalColor(*this);
}

void LLTexParamGlobalColor::onGlobalColorChanged()
{
    mAvatarAppearance->onGlobalColorChanged(mTexGlobalColor);
}

//-----------------------------------------------------------------------------
// LLTexGlobalColorInfo
//-----------------------------------------------------------------------------

LLTexGlobalColorInfo::LLTexGlobalColorInfo()
{
}


LLTexGlobalColorInfo::~LLTexGlobalColorInfo()
{
    for_each(mParamColorInfoList.begin(), mParamColorInfoList.end(), DeletePointer());
    mParamColorInfoList.clear();
}

bool LLTexGlobalColorInfo::parseXml(LLXmlTreeNode* node)
{
    // name attribute
    static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
    if (!node->getFastAttributeString(name_string, mName))
    {
        LL_WARNS() << "<global_color> element is missing name attribute." << LL_ENDL;
        return false;
    }
    // <param> sub-element
    for (LLXmlTreeNode* child = node->getChildByName("param");
         child;
         child = node->getNextNamedChild())
    {
        if (child->getChildByName("param_color"))
        {
            // <param><param_color/></param>
            LLTexLayerParamColorInfo* info = new LLTexLayerParamColorInfo();
            if (!info->parseXml(child))
            {
                delete info;
                return false;
            }
            mParamColorInfoList.push_back(info);
        }
    }
    return true;
}