C++ XMLElement::GetFloat方法代码示例

void RenderPathCommand::Load(const XMLElement& element)
{
    type_ = (RenderCommandType)GetStringListIndex(element.GetAttributeLower("type").CString(), commandTypeNames, CMD_NONE);
    tag_ = element.GetAttribute("tag");
    if (element.HasAttribute("enabled"))
        enabled_ = element.GetBool("enabled");
    if (element.HasAttribute("metadata"))
        metadata_ = element.GetAttribute("metadata");
    
    switch (type_)
    {
    case CMD_CLEAR:
        if (element.HasAttribute("color"))
        {
            clearFlags_ |= CLEAR_COLOR;
            // Mark fog color with negative values
            if (element.GetAttributeLower("color") == "fog")
                useFogColor_ = true;
            else
                clearColor_ = element.GetColor("color");
        }
        if (element.HasAttribute("depth"))
        {
            clearFlags_ |= CLEAR_DEPTH;
            clearDepth_ = element.GetFloat("depth");
        }
        if (element.HasAttribute("stencil"))
        {
            clearFlags_ |= CLEAR_STENCIL;
            clearStencil_ = element.GetInt("stencil");
        }
        break;
        
    case CMD_SCENEPASS:
        pass_ = element.GetAttribute("pass");
        sortMode_ = (RenderCommandSortMode)GetStringListIndex(element.GetAttributeLower("sort").CString(), sortModeNames, SORT_FRONTTOBACK);
        if (element.HasAttribute("marktostencil"))
            markToStencil_ = element.GetBool("marktostencil");
        if (element.HasAttribute("vertexlights"))
            vertexLights_ = element.GetBool("vertexlights");
        if (element.HasAttribute("usescissor"))
            useScissor_ = element.GetBool("usescissor");
        break;
        
    case CMD_FORWARDLIGHTS:
        pass_ = element.GetAttribute("pass");
        if (element.HasAttribute("uselitbase"))
            useLitBase_ = element.GetBool("uselitbase");
        break;
        
    case CMD_LIGHTVOLUMES:
    case CMD_QUAD:
        vertexShaderName_ = element.GetAttribute("vs");
        pixelShaderName_ = element.GetAttribute("ps");
        if (type_ == CMD_QUAD)
        {
            XMLElement parameterElem = element.GetChild("parameter");
            while (parameterElem)
            {
                String name = parameterElem.GetAttribute("name");
                Variant value = parameterElem.GetVectorVariant("value");
                shaderParameters_[name] = value;
                
                parameterElem = parameterElem.GetNext("parameter");
            }
        }
        break;
    
    default:
        break;
    }
    
    // By default use 1 output, which is the viewport
    outputNames_.Push("viewport");
    if (element.HasAttribute("output"))
        outputNames_[0] = element.GetAttribute("output");
    // Check for defining multiple outputs
    XMLElement outputElem = element.GetChild("output");
    while (outputElem)
    {
        unsigned index = outputElem.GetInt("index");
        if (index < MAX_RENDERTARGETS)
        {
            if (index >= outputNames_.Size())
                outputNames_.Resize(index + 1);
            outputNames_[index] = outputElem.GetAttribute("name");
        }
        outputElem = outputElem.GetNext("output");
    }
    
    XMLElement textureElem = element.GetChild("texture");
    while (textureElem)
    {
        TextureUnit unit = TU_DIFFUSE;
        if (textureElem.HasAttribute("unit"))
        {
            String unitName = textureElem.GetAttributeLower("unit");
            if (unitName.Length() > 1)
                unit = ParseTextureUnitName(unitName);
            else
//.........这里部分代码省略.........

bool Animation2D::Load(Deserializer& source)
{
    frameEndTimes_.Clear();
    frameSprites_.Clear();

    SharedPtr<XMLFile> xmlFile(new XMLFile(context_));
    if(!xmlFile->Load(source))
    {
        LOGERROR("Could not load animation");
        return false;
    }

    SetMemoryUse(source.GetSize());

    XMLElement rootElem = xmlFile->GetRoot("Animation");
    if (!rootElem)
    {
        LOGERROR("Invalid animation");
        return false;
    }

    ResourceCache* cache = GetSubsystem<ResourceCache>();

    XMLElement keyFrameElem = rootElem.GetChild("Frame");
    if (!keyFrameElem)
    {
        LOGERROR("Could not found key frame");
        return false;
    }

    float endTime = 0.0f;

    while (keyFrameElem)
    {
        endTime += keyFrameElem.GetFloat("duration");
        frameEndTimes_.Push(endTime);

        SharedPtr<Sprite2D> sprite;
        Vector<String> names = keyFrameElem.GetAttribute("sprite").Split('@');
        if (names.Size() == 1)
            sprite = cache->GetResource<Sprite2D>(names[0]);
        else if (names.Size() == 2)
        {
            SpriteSheet2D* spriteSheet = cache->GetResource<SpriteSheet2D>(names[0]);
            if (!spriteSheet)
            {
                LOGERROR("Could not get sprite speet");
                return false;
            }

            sprite = spriteSheet->GetSprite(names[1]);
        }

        if (!sprite)
        {
            LOGERROR("Could not get sprite");
            return false;
        }

        frameSprites_.Push(sprite);
        keyFrameElem = keyFrameElem.GetNext("Frame");
    }

    return true;
}

bool Material::Load(const XMLElement& source)
{
    ResetToDefaults();

    if (source.IsNull())
    {
        LOGERROR("Can not load material from null XML element");
        return false;
    }

    ResourceCache* cache = GetSubsystem<ResourceCache>();

    XMLElement techniqueElem = source.GetChild("technique");
    techniques_.Clear();
    
    while (techniqueElem)
    {
        Technique* tech = cache->GetResource<Technique>(techniqueElem.GetAttribute("name"));
        if (tech)
        {
            TechniqueEntry newTechnique;
            newTechnique.technique_ = tech;
            if (techniqueElem.HasAttribute("quality"))
                newTechnique.qualityLevel_ = techniqueElem.GetInt("quality");
            if (techniqueElem.HasAttribute("loddistance"))
                newTechnique.lodDistance_ = techniqueElem.GetFloat("loddistance");
            techniques_.Push(newTechnique);
        }

        techniqueElem = techniqueElem.GetNext("technique");
    }

    SortTechniques();

    XMLElement textureElem = source.GetChild("texture");
    while (textureElem)
    {
        TextureUnit unit = TU_DIFFUSE;
        if (textureElem.HasAttribute("unit"))
            unit = ParseTextureUnitName(textureElem.GetAttribute("unit"));
        if (unit < MAX_TEXTURE_UNITS)
        {
            String name = textureElem.GetAttribute("name");
            // Detect cube maps by file extension: they are defined by an XML file
            /// \todo Differentiate with 3D textures by actually reading the XML content
            if (GetExtension(name) == ".xml")
            {
                #ifdef DESKTOP_GRAPHICS
                if (unit == TU_VOLUMEMAP)
                    SetTexture(unit, cache->GetResource<Texture3D>(name));
                else
                #endif
                    SetTexture(unit, cache->GetResource<TextureCube>(name));
            }
            else
                SetTexture(unit, cache->GetResource<Texture2D>(name));
        }
        textureElem = textureElem.GetNext("texture");
    }

    batchedParameterUpdate_ = true;
    XMLElement parameterElem = source.GetChild("parameter");
    while (parameterElem)
    {
        String name = parameterElem.GetAttribute("name");
        SetShaderParameter(name, ParseShaderParameterValue(parameterElem.GetAttribute("value")));
        parameterElem = parameterElem.GetNext("parameter");
    }
    batchedParameterUpdate_ = false;

    XMLElement parameterAnimationElem = source.GetChild("parameteranimation");
    while (parameterAnimationElem)
    {
        String name = parameterAnimationElem.GetAttribute("name");
        SharedPtr<ValueAnimation> animation(new ValueAnimation(context_));
        if (!animation->LoadXML(parameterAnimationElem))
        {
            LOGERROR("Could not load parameter animation");
            return false;
        }

        String wrapModeString = parameterAnimationElem.GetAttribute("wrapmode");
        WrapMode wrapMode = WM_LOOP;
        for (int i = 0; i <= WM_CLAMP; ++i)
        {
            if (wrapModeString == wrapModeNames[i])
            {
                wrapMode = (WrapMode)i;
                break;
            }
        }

        float speed = parameterAnimationElem.GetFloat("speed");
        SetShaderParameterAnimation(name, animation, wrapMode, speed);

        parameterAnimationElem = parameterAnimationElem.GetNext("parameteranimation");
    }

    XMLElement cullElem = source.GetChild("cull");
    if (cullElem)
//.........这里部分代码省略.........

bool AnimationSet2D::LoadAnimation(const XMLElement& animationElem)
{
    SharedPtr<Animation2D> animation(new Animation2D(this));
    
    String name = animationElem.GetAttribute("name");
    animation->SetName(name);

    float length = animationElem.GetFloat("length") * 0.001f;
    animation->SetLength(length);

    bool looped = true;
    if (animationElem.HasAttribute("looping"))
        looped = animationElem.GetBool("looping");
    animation->SetLooped(looped);

    // Load timelines
    for (XMLElement timelineElem = animationElem.GetChild("timeline"); timelineElem; timelineElem = timelineElem.GetNext("timeline"))
    {
        Timeline2D timeline;
        timeline.name_ = timelineElem.GetAttribute("name");
        if (timelineElem.GetAttribute("object_type") == "bone")
            timeline.type_ = OT_BONE;
        else
            timeline.type_ = OT_SPRITE;

        for (XMLElement keyElem = timelineElem.GetChild("key"); keyElem; keyElem = keyElem.GetNext("key"))
        {
            TimelineKey2D key;
            key.time_ = keyElem.GetFloat("time") * 0.001f;
            key.spin_ = 1;
            if (keyElem.HasAttribute("spin"))
                key.spin_ = keyElem.GetInt("spin");

            XMLElement childElem = keyElem.GetChild();

            Vector2 position;
            position.x_ = childElem.GetFloat("x");
            position.y_ = childElem.GetFloat("y");

            float angle = childElem.GetFloat("angle");

            Vector2 scale(Vector2::ONE);
            if (childElem.HasAttribute("scale_x"))
                scale.x_ = childElem.GetFloat("scale_x");

            if (childElem.HasAttribute("scale_y"))
                scale.y_ = childElem.GetFloat("scale_y");

            key.transform_ = Transform2D(position, angle, scale);

            if (timeline.type_ == OT_SPRITE)
            {
                int folder = childElem.GetUInt("folder");
                int file = childElem.GetUInt("file");
                key.sprite_ = GetSprite(folder, file);
                if (!key.sprite_)
                {
                    LOGERROR("Could not find sprite");
                    return false;
                }

                if (childElem.HasAttribute("pivot_x"))
                    key.hotSpot_.x_ = childElem.GetFloat("pivot_x");
                else
                    key.hotSpot_.x_ = key.sprite_->GetHotSpot().x_;

                if (childElem.HasAttribute("pivot_y"))
                    key.hotSpot_.y_ = childElem.GetFloat("pivot_y");
                else
                    key.hotSpot_.y_ = key.sprite_->GetHotSpot().y_;

                if (childElem.HasAttribute("a"))
                    key.alpha_ = childElem.GetFloat("a");
            }

            timeline.timelineKeys_.Push(key);
        }

        // Add end key for looped animation
        if (looped && timeline.timelineKeys_.Back().time_ != length)
        {
            TimelineKey2D key = timeline.timelineKeys_.Front();
            key.time_ = length;
            timeline.timelineKeys_.Push(key);
        }

        animation->AddTimeline(timeline);
    }

    // Load main line
    XMLElement mainlineElem = animationElem.GetChild("mainline");
    for (XMLElement keyElem = mainlineElem.GetChild("key"); keyElem; keyElem = keyElem.GetNext("key"))
    {
        MainlineKey2D mainlineKey;
        int id = keyElem.GetInt("id");
        mainlineKey.time_ = keyElem.GetFloat("time") * 0.001f;

        for (XMLElement refElem = keyElem.GetChild(); refElem; refElem = refElem.GetNext())
        {
            Reference2D ref;
//.........这里部分代码省略.........

void GameEconomicGameClient::LoadConfiguration(Configuration &configuration)
{
    /// Grab resources
    FileSystem * fileSystem = GetSubsystem<FileSystem>();

    /// Set all defaults
    bool success=false;

    configuration.GameModeForceTablet=false;

    configuration.VideoBloomParam1=0.9f;
    configuration.VideoBloomParam2=0.6f;

    /// Create String
    String configFileName;

    /// Set directory and path for network file
    configFileName.Append(fileSystem->GetProgramDir().CString());
    configFileName.Append("");
    configFileName.Append("Configuration.xml");

    /// If file does not exist exit function with null structure
    if (!fileSystem->FileExists(configFileName))
    {
        cout << "Configuration file not found.. Using defaults.. " << endl;

        return;
    }

    /// Flag file for loading and load
    File loadFile(context_, configFileName, FILE_READ);

    XMLFile * configurationXML = new XMLFile(context_);

    configurationXML -> Load(loadFile);

    XMLElement configElem = configurationXML->GetRoot();

    /// If no configuration is set or no root
    if (configElem.IsNull())
    {
        cout << "Configuration file not found.. Using defaults.. " << endl;

        return;
    }

    /// Basic Config
    XMLElement GameModeConfigurationElem = configElem.GetChild("GameModeConfiguration");

    /// If no network server element return false;
    if (!GameModeConfigurationElem.IsNull())
    {
        if (GameModeConfigurationElem.HasAttribute("GameModeForceTablet")) configuration.GameModeForceTablet = GameModeConfigurationElem.GetBool("GameModeForceTablet");
    }

    /// Basic Config
    XMLElement VideoConfigurationElem = configElem.GetChild("VideoConfiguration");

    /// If no network server element return false;
    if (!VideoConfigurationElem.IsNull())
    {
        if (VideoConfigurationElem.HasAttribute("BloomParam1")) configuration.VideoBloomParam1= VideoConfigurationElem.GetFloat("BloomParam1");
        if (VideoConfigurationElem.HasAttribute("BloomParam2")) configuration.VideoBloomParam2= VideoConfigurationElem.GetFloat("BloomParam2");
    }


    return;
}

void LoadSkeleton(const String& skeletonFileName)
{
    // Process skeleton first (if found)
    XMLElement skeletonRoot;
    File skeletonFileSource(context_);
    skeletonFileSource.Open(skeletonFileName);
    if (!skelFile_->Load(skeletonFileSource))
        PrintLine("Failed to load skeleton " + skeletonFileName);
    skeletonRoot = skelFile_->GetRoot();

    if (skeletonRoot)
    {
        XMLElement bonesRoot = skeletonRoot.GetChild("bones");
        XMLElement bone = bonesRoot.GetChild("bone");
        while (bone)
        {
            unsigned index = bone.GetInt("id");
            String name = bone.GetAttribute("name");
            if (index >= bones_.Size())
                bones_.Resize(index + 1);

            // Convert from right- to left-handed
            XMLElement position = bone.GetChild("position");
            float x = position.GetFloat("x");
            float y = position.GetFloat("y");
            float z = position.GetFloat("z");
            Vector3 pos(x, y, -z);

            XMLElement rotation = bone.GetChild("rotation");
            XMLElement axis = rotation.GetChild("axis");
            float angle = -rotation.GetFloat("angle") * M_RADTODEG;
            x = axis.GetFloat("x");
            y = axis.GetFloat("y");
            z = axis.GetFloat("z");
            Vector3 axisVec(x, y, -z);
            Quaternion rot(angle, axisVec);

            bones_[index].name_ = name;
            bones_[index].parentIndex_ = index; // Fill in the correct parent later
            bones_[index].bindPosition_ = pos;
            bones_[index].bindRotation_ = rot;
            bones_[index].bindScale_ = Vector3::ONE;
            bones_[index].collisionMask_ = 0;
            bones_[index].radius_ = 0.0f;

            bone = bone.GetNext("bone");
        }

        // Go through the bone hierarchy
        XMLElement boneHierarchy = skeletonRoot.GetChild("bonehierarchy");
        XMLElement boneParent = boneHierarchy.GetChild("boneparent");
        while (boneParent)
        {
            String bone = boneParent.GetAttribute("bone");
            String parent = boneParent.GetAttribute("parent");
            unsigned i = 0, j = 0;
            for (i = 0; i < bones_.Size() && bones_[i].name_ != bone; ++i);
            for (j = 0; j < bones_.Size() && bones_[j].name_ != parent; ++j);

            if (i >= bones_.Size() || j >= bones_.Size())
                ErrorExit("Found indeterminate parent bone assignment");
            bones_[i].parentIndex_ = j;

            boneParent = boneParent.GetNext("boneparent");
        }

        // Calculate bone derived positions
        for (unsigned i = 0; i < bones_.Size(); ++i)
        {
            Vector3 derivedPosition = bones_[i].bindPosition_;
            Quaternion derivedRotation = bones_[i].bindRotation_;
            Vector3 derivedScale = bones_[i].bindScale_;

            unsigned index = bones_[i].parentIndex_;
            if (index != i)
            {
                for (;;)
                {
                    derivedPosition = bones_[index].bindPosition_ + (bones_[index].bindRotation_ * (bones_[index].bindScale_ * derivedPosition));
                    derivedRotation = bones_[index].bindRotation_ * derivedRotation;
                    derivedScale = bones_[index].bindScale_ * derivedScale;
                    if (bones_[index].parentIndex_ != index)
                        index = bones_[index].parentIndex_;
                    else
                        break;
                }
            }

            bones_[i].derivedPosition_ = derivedPosition;
            bones_[i].derivedRotation_ = derivedRotation;
            bones_[i].derivedScale_ = derivedScale;
            bones_[i].worldTransform_ = Matrix3x4(derivedPosition, derivedRotation, derivedScale);
            bones_[i].inverseWorldTransform_ = bones_[i].worldTransform_.Inverse();
        }

        PrintLine("Processed skeleton");
    }
}

//.........这里部分代码省略.........
        // Geometry centers
        for (unsigned i = 0; i < subGeometryCenters_.Size(); ++i)
            dest.WriteVector3(subGeometryCenters_[i]);
    }

    if (saveMaterialList)
    {
        String materialListName = ReplaceExtension(outputFileName, ".txt");
        File listFile(context_);
        if (listFile.Open(materialListName, FILE_WRITE))
        {
            for (unsigned i = 0; i < materialNames_.Size(); ++i)
            {
                // Assume the materials will be located inside the standard Materials subdirectory
                listFile.WriteLine("Materials/" + ReplaceExtension(SanitateAssetName(materialNames_[i]), ".xml"));
            }
        }
        else
            PrintLine("Warning: could not write material list file " + materialListName);
    }

    XMLElement skeletonRoot = skelFile_->GetRoot("skeleton");
    if (skeletonRoot && exportAnimations)
    {
        // Go through animations
        XMLElement animationsRoot = skeletonRoot.GetChild("animations");
        if (animationsRoot)
        {
            XMLElement animation = animationsRoot.GetChild("animation");
            while (animation)
            {
                ModelAnimation newAnimation;
                newAnimation.name_ = animation.GetAttribute("name");
                newAnimation.length_ = animation.GetFloat("length");

                XMLElement tracksRoot = animation.GetChild("tracks");
                XMLElement track = tracksRoot.GetChild("track");
                while (track)
                {
                    String trackName = track.GetAttribute("bone");
                    ModelBone* bone = 0;
                    for (unsigned i = 0; i < bones_.Size(); ++i)
                    {
                        if (bones_[i].name_ == trackName)
                        {
                            bone = &bones_[i];
                            break;
                        }
                    }
                    if (!bone)
                        ErrorExit("Found animation track for unknown bone " + trackName);

                    AnimationTrack newAnimationTrack;
                    newAnimationTrack.name_ = trackName;
                    if (!rotationsOnly)
                        newAnimationTrack.channelMask_ = CHANNEL_POSITION | CHANNEL_ROTATION;
                    else
                        newAnimationTrack.channelMask_ = CHANNEL_ROTATION;

                    XMLElement keyFramesRoot = track.GetChild("keyframes");
                    XMLElement keyFrame = keyFramesRoot.GetChild("keyframe");
                    while (keyFrame)
                    {
                        AnimationKeyFrame newKeyFrame;

                        // Convert from right- to left-handed

Vector2 ParticleEffect2D::ReadVector2(const XMLElement& element) const
{
    return Vector2(element.GetFloat("x"), element.GetFloat("y"));
}

bool ParticleEmitter::Load(XMLFile* file)
{
    if (!file)
    {
        LOGERROR("Null particle emitter parameter file");
        return false;
    }
    
    XMLElement rootElem = file->GetRoot();
    if (!rootElem)
    {
        LOGERROR("Particle emitter parameter file does not have a valid root element");
        return false;
    }
    
    if (rootElem.HasChild("material"))
        SetMaterial(GetSubsystem<ResourceCache>()->GetResource<Material>(rootElem.GetChild("material").GetAttribute("name")));
    
    if (rootElem.HasChild("numparticles"))
        SetNumParticles(rootElem.GetChild("numparticles").GetInt("value"));
    
    if (rootElem.HasChild("updateinvisible"))
        updateInvisible_ = rootElem.GetChild("updateinvisible").GetBool("enable");
    
    if (rootElem.HasChild("relative"))
        relative_ = rootElem.GetChild("relative").GetBool("enable");
    
    if (rootElem.HasChild("scaled"))
        scaled_ = rootElem.GetChild("scaled").GetBool("enable");
    
    if (rootElem.HasChild("sorted"))
        sorted_ = rootElem.GetChild("sorted").GetBool("enable");
    
    if (rootElem.HasChild("animlodbias"))
        SetAnimationLodBias(rootElem.GetChild("relative").GetFloat("value"));
    
    if (rootElem.HasChild("emittertype"))
    {
        String type = rootElem.GetChild("emittertype").GetAttributeLower("value");
        if (type == "point")
        {
            // Point emitter type is deprecated, handled as zero sized sphere
            emitterType_ = EMITTER_SPHERE;
            emitterSize_ = Vector3::ZERO;
        }
        else if (type == "box")
            emitterType_ = EMITTER_BOX;
        else if (type == "sphere")
            emitterType_ = EMITTER_SPHERE;
        else
            LOGERROR("Unknown particle emitter type " + type);
    }
    
    if (rootElem.HasChild("emittersize"))
        emitterSize_ = rootElem.GetChild("emittersize").GetVector3("value");
    
    if (rootElem.HasChild("emitterradius"))
        emitterSize_.x_ = emitterSize_.y_ = emitterSize_.z_ = rootElem.GetChild("emitterradius").GetFloat("value");
    
    if (rootElem.HasChild("direction"))
        GetVector3MinMax(rootElem.GetChild("direction"), directionMin_, directionMax_);
    
    if (rootElem.HasChild("constantforce"))
        constantForce_ = rootElem.GetChild("constantforce").GetVector3("value");
    
    if (rootElem.HasChild("dampingforce"))
        dampingForce_ = rootElem.GetChild("dampingforce").GetFloat("value");
    
    if (rootElem.HasChild("activetime"))
        activeTime_ = rootElem.GetChild("activetime").GetFloat("value");
    if (activeTime_ < 0.0f)
        activeTime_ = M_INFINITY;
    
    if (rootElem.HasChild("inactivetime"))
        inactiveTime_ = rootElem.GetChild("inactivetime").GetFloat("value");
    if (inactiveTime_ < 0.0f)
        inactiveTime_ = M_INFINITY;
    
    if (rootElem.HasChild("emissionrate"))
        GetFloatMinMax(rootElem.GetChild("emissionrate"), emissionRateMin_, emissionRateMax_);
    
    if (rootElem.HasChild("interval"))
    {
        float intervalMin = 0.0f;
        float intervalMax = 0.0f;
        GetFloatMinMax(rootElem.GetChild("interval"), intervalMin, intervalMax);
        emissionRateMax_ = 1.0f / intervalMin;
        emissionRateMin_ = 1.0f / intervalMax;
    }
    
    if (rootElem.HasChild("particlesize"))
        GetVector2MinMax(rootElem.GetChild("particlesize"), sizeMin_, sizeMax_);
    
    if (rootElem.HasChild("timetolive"))
        GetFloatMinMax(rootElem.GetChild("timetolive"), timeToLiveMin_, timeToLiveMax_);
    
    if (rootElem.HasChild("velocity"))
        GetFloatMinMax(rootElem.GetChild("velocity"), velocityMin_, velocityMax_);
    
    if (rootElem.HasChild("rotation"))
//.........这里部分代码省略.........

bool TmxFile2D::LoadTileSet(const XMLElement& element)
{
    int firstgid = element.GetInt("firstgid");

    XMLElement tileSetElem;
    if (element.HasAttribute("source"))
    {
        String source = element.GetAttribute("source");
        HashMap<String, SharedPtr<XMLFile> >::Iterator i = tsxXMLFiles_.Find(source);
        if (i == tsxXMLFiles_.End())
        {
            SharedPtr<XMLFile> tsxXMLFile = LoadTSXFile(source);
            if (!tsxXMLFile)
                return false;

            // Add to napping to avoid release
            tsxXMLFiles_[source] = tsxXMLFile;

            tileSetElem = tsxXMLFile->GetRoot("tileset");
        }
        else
            tileSetElem = i->second_->GetRoot("tileset");
    }
    else
        tileSetElem = element;

    XMLElement imageElem = tileSetElem.GetChild("image");
    String textureFilePath = GetParentPath(GetName()) + imageElem.GetAttribute("source");
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    SharedPtr<Texture2D> texture(cache->GetResource<Texture2D>(textureFilePath));
    if (!texture)
    {
        URHO3D_LOGERROR("Could not load texture " + textureFilePath);
        return false;
    }

    tileSetTextures_.Push(texture);

    int tileWidth = tileSetElem.GetInt("tilewidth");
    int tileHeight = tileSetElem.GetInt("tileheight");
    int spacing = tileSetElem.GetInt("spacing");
    int margin = tileSetElem.GetInt("margin");
    int imageWidth = imageElem.GetInt("width");
    int imageHeight = imageElem.GetInt("height");

    // Set hot spot at left bottom
    Vector2 hotSpot(0.0f, 0.0f);
    if (tileSetElem.HasChild("tileoffset"))
    {
        XMLElement offsetElem = tileSetElem.GetChild("tileoffset");
        hotSpot.x_ += offsetElem.GetFloat("x") / (float)tileWidth;
        hotSpot.y_ += offsetElem.GetFloat("y") / (float)tileHeight;
    }

    int gid = firstgid;
    for (int y = margin; y + tileHeight <= imageHeight - margin; y += tileHeight + spacing)
    {
        for (int x = margin; x + tileWidth <= imageWidth - margin; x += tileWidth + spacing)
        {
            SharedPtr<Sprite2D> sprite(new Sprite2D(context_));
            sprite->SetTexture(texture);
            sprite->SetRectangle(IntRect(x, y, x + tileWidth, y + tileHeight));
            sprite->SetHotSpot(hotSpot);

            gidToSpriteMapping_[gid++] = sprite;
        }
    }

    for (XMLElement tileElem = tileSetElem.GetChild("tile"); tileElem; tileElem = tileElem.GetNext("tile"))
    {
        if (tileElem.HasChild("properties"))
        {
            SharedPtr<PropertySet2D> propertySet(new PropertySet2D());
            propertySet->Load(tileElem.GetChild("properties"));
            gidToPropertySetMapping_[firstgid + tileElem.GetInt("id")] = propertySet;
        }
    }

    return true;
}

bool TmxFile2D::EndLoad()
{
    if (!loadXMLFile_)
        return false;

    XMLElement rootElem = loadXMLFile_->GetRoot("map");
    String version = rootElem.GetAttribute("version");
    if (version != "1.0")
    {
        URHO3D_LOGERROR("Invalid version");
        return false;
    }

    String orientation = rootElem.GetAttribute("orientation");
    if (orientation == "orthogonal")
        info_.orientation_ = O_ORTHOGONAL;
    else if (orientation == "isometric")
        info_.orientation_ = O_ISOMETRIC;
    else if (orientation == "staggered")
        info_.orientation_ = O_STAGGERED;
    else if (orientation == "hexagonal")
        info_.orientation_ = O_HEXAGONAL;
    else
    {
        URHO3D_LOGERROR("Unsupported orientation type " + orientation);
        return false;
    }

    info_.width_ = rootElem.GetInt("width");
    info_.height_ = rootElem.GetInt("height");
    info_.tileWidth_ = rootElem.GetFloat("tilewidth") * PIXEL_SIZE;
    info_.tileHeight_ = rootElem.GetFloat("tileheight") * PIXEL_SIZE;

    for (unsigned i = 0; i < layers_.Size(); ++i)
        delete layers_[i];
    layers_.Clear();

    for (XMLElement childElement = rootElem.GetChild(); childElement; childElement = childElement.GetNext())
    {
        bool ret = true;
        String name = childElement.GetName();
        if (name == "tileset")
            ret = LoadTileSet(childElement);
        else if (name == "layer")
        {
            TmxTileLayer2D* tileLayer = new TmxTileLayer2D(this);
            ret = tileLayer->Load(childElement, info_);

            layers_.Push(tileLayer);
        }
        else if (name == "objectgroup")
        {
            TmxObjectGroup2D* objectGroup = new TmxObjectGroup2D(this);
            ret = objectGroup->Load(childElement, info_);

            layers_.Push(objectGroup);

        }
        else if (name == "imagelayer")
        {
            TmxImageLayer2D* imageLayer = new TmxImageLayer2D(this);
            ret = imageLayer->Load(childElement, info_);

            layers_.Push(imageLayer);
        }

        if (!ret)
        {
            loadXMLFile_.Reset();
            tsxXMLFiles_.Clear();
            return false;
        }
    }

    loadXMLFile_.Reset();
    tsxXMLFiles_.Clear();
    return true;
}

bool Animation::BeginLoad(Deserializer& source)
{
    unsigned memoryUse = sizeof(Animation);

    // Check ID
    if (source.ReadFileID() != "UANI")
    {
        URHO3D_LOGERROR(source.GetName() + " is not a valid animation file");
        return false;
    }

    // Read name and length
    animationName_ = source.ReadString();
    animationNameHash_ = animationName_;
    length_ = source.ReadFloat();
    tracks_.Clear();

    unsigned tracks = source.ReadUInt();
    memoryUse += tracks * sizeof(AnimationTrack);

    // Read tracks
    for (unsigned i = 0; i < tracks; ++i)
    {
        AnimationTrack* newTrack = CreateTrack(source.ReadString());
        newTrack->channelMask_ = source.ReadUByte();

        unsigned keyFrames = source.ReadUInt();
        newTrack->keyFrames_.Resize(keyFrames);
        memoryUse += keyFrames * sizeof(AnimationKeyFrame);

        // Read keyframes of the track
        for (unsigned j = 0; j < keyFrames; ++j)
        {
            AnimationKeyFrame& newKeyFrame = newTrack->keyFrames_[j];
            newKeyFrame.time_ = source.ReadFloat();
            if (newTrack->channelMask_ & CHANNEL_POSITION)
                newKeyFrame.position_ = source.ReadVector3();
            if (newTrack->channelMask_ & CHANNEL_ROTATION)
                newKeyFrame.rotation_ = source.ReadQuaternion();
            if (newTrack->channelMask_ & CHANNEL_SCALE)
                newKeyFrame.scale_ = source.ReadVector3();
        }
    }

    // Optionally read triggers from an XML file
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    String xmlName = ReplaceExtension(GetName(), ".xml");

    SharedPtr<XMLFile> file(cache->GetTempResource<XMLFile>(xmlName, false));
    if (file)
    {
        XMLElement rootElem = file->GetRoot();
        XMLElement triggerElem = rootElem.GetChild("trigger");
        while (triggerElem)
        {
            if (triggerElem.HasAttribute("normalizedtime"))
                AddTrigger(triggerElem.GetFloat("normalizedtime"), true, triggerElem.GetVariant());
            else if (triggerElem.HasAttribute("time"))
                AddTrigger(triggerElem.GetFloat("time"), false, triggerElem.GetVariant());

            triggerElem = triggerElem.GetNext("trigger");
        }

        memoryUse += triggers_.Size() * sizeof(AnimationTriggerPoint);
        SetMemoryUse(memoryUse);
        return true;
    }

    // Optionally read triggers from a JSON file
    String jsonName = ReplaceExtension(GetName(), ".json");

    SharedPtr<JSONFile> jsonFile(cache->GetTempResource<JSONFile>(jsonName, false));
    if (jsonFile)
    {
        const JSONValue& rootVal = jsonFile->GetRoot();
        JSONArray triggerArray = rootVal.Get("triggers").GetArray();

        for (unsigned i = 0; i < triggerArray.Size(); i++)
        {
            const JSONValue& triggerValue = triggerArray.At(i);
            JSONValue normalizedTimeValue = triggerValue.Get("normalizedTime");
            if (!normalizedTimeValue.IsNull())
                AddTrigger(normalizedTimeValue.GetFloat(), true, triggerValue.GetVariant());
            else
            {
                JSONValue timeVal = triggerValue.Get("time");
                if (!timeVal.IsNull())
                    AddTrigger(timeVal.GetFloat(), false, triggerValue.GetVariant());
            }
        }

        memoryUse += triggers_.Size() * sizeof(AnimationTriggerPoint);
        SetMemoryUse(memoryUse);
        return true;
    }

    SetMemoryUse(memoryUse);
    return true;
}

bool Animation::Load(Deserializer& source)
{
    PROFILE(LoadAnimation);
    
    unsigned memoryUse = sizeof(Animation);
    
    // Check ID
    if (source.ReadFileID() != "UANI")
    {
        LOGERROR(source.GetName() + " is not a valid animation file");
        return false;
    }
    
    // Read name and length
    animationName_ = source.ReadString();
    animationNameHash_ = animationName_;
    length_ = source.ReadFloat();
    tracks_.Clear();
    
    unsigned tracks = source.ReadUInt();
    tracks_.Resize(tracks);
    memoryUse += tracks * sizeof(AnimationTrack);
    
    // Read tracks
    for (unsigned i = 0; i < tracks; ++i)
    {
        AnimationTrack& newTrack = tracks_[i];
        newTrack.name_ = source.ReadString();
        newTrack.nameHash_ = newTrack.name_;
        newTrack.channelMask_ = source.ReadUByte();
        
        unsigned keyFrames = source.ReadUInt();
        newTrack.keyFrames_.Resize(keyFrames);
        memoryUse += keyFrames * sizeof(AnimationKeyFrame);
        
        // Read keyframes of the track
        for (unsigned j = 0; j < keyFrames; ++j)
        {
            AnimationKeyFrame& newKeyFrame = newTrack.keyFrames_[j];
            newKeyFrame.time_ = source.ReadFloat();
            if (newTrack.channelMask_ & CHANNEL_POSITION)
                newKeyFrame.position_ = source.ReadVector3();
            if (newTrack.channelMask_ & CHANNEL_ROTATION)
                newKeyFrame.rotation_ = source.ReadQuaternion();
            if (newTrack.channelMask_ & CHANNEL_SCALE)
                newKeyFrame.scale_ = source.ReadVector3();
        }
    }
    
    // Optionally read triggers from an XML file
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    String xmlName = ReplaceExtension(GetName(), ".xml");
    
    if (cache->Exists(xmlName))
    {
        XMLFile* file = cache->GetResource<XMLFile>(xmlName);
        if (file)
        {
            XMLElement rootElem = file->GetRoot();
            XMLElement triggerElem = rootElem.GetChild("trigger");
            while (triggerElem)
            {
                if (triggerElem.HasAttribute("normalizedtime"))
                    AddTrigger(triggerElem.GetFloat("normalizedtime"), true, triggerElem.GetVariant());
                else if (triggerElem.HasAttribute("time"))
                    AddTrigger(triggerElem.GetFloat("time"), false, triggerElem.GetVariant());
                
                triggerElem = triggerElem.GetNext("trigger");
            }
            
            memoryUse += triggers_.Size() * sizeof(AnimationTriggerPoint);
        }
    }
    
    SetMemoryUse(memoryUse);
    return true;
}

Color ParticleEffect2D::ReadColor(const XMLElement& element, const String& name) const
{
    XMLElement child = element.GetChild(name);
    return Color(child.GetFloat("red"), child.GetFloat("green"), child.GetFloat("blue"), child.GetFloat("alpha"));
}

bool Material::Load(const XMLElement& source)
{
    ResetToDefaults();
    
    if (source.IsNull())
    {
        LOGERROR("Can not load material from null XML element");
        return false;
    }
    
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    
    XMLElement techniqueElem = source.GetChild("technique");
    techniques_.Clear();
    while (techniqueElem)
    {
        Technique* tech = cache->GetResource<Technique>(techniqueElem.GetAttribute("name"));
        if (tech)
        {
            TechniqueEntry newTechnique;
            newTechnique.technique_ = tech;
            if (techniqueElem.HasAttribute("quality"))
                newTechnique.qualityLevel_ = techniqueElem.GetInt("quality");
            if (techniqueElem.HasAttribute("loddistance"))
                newTechnique.lodDistance_ = techniqueElem.GetFloat("loddistance");
            techniques_.Push(newTechnique);
        }
        techniqueElem = techniqueElem.GetNext("technique");
    }
    
    SortTechniques();
    
    XMLElement textureElem = source.GetChild("texture");
    while (textureElem)
    {
        TextureUnit unit = TU_DIFFUSE;
        if (textureElem.HasAttribute("unit"))
        {
            String unitName = textureElem.GetAttributeLower("unit");
            if (unitName.Length() > 1)
            {
                unit = ParseTextureUnitName(unitName);
                if (unit >= MAX_MATERIAL_TEXTURE_UNITS)
                    LOGERROR("Unknown or illegal texture unit " + unitName);
            }
            else
                unit = (TextureUnit)Clamp(ToInt(unitName), 0, MAX_MATERIAL_TEXTURE_UNITS - 1);
        }
        if (unit != MAX_MATERIAL_TEXTURE_UNITS)
        {
            String name = textureElem.GetAttribute("name");
            // Detect cube maps by file extension: they are defined by an XML file
            if (GetExtension(name) == ".xml")
                SetTexture(unit, cache->GetResource<TextureCube>(name));
            else
                SetTexture(unit, cache->GetResource<Texture2D>(name));
        }
        textureElem = textureElem.GetNext("texture");
    }
    
    XMLElement parameterElem = source.GetChild("parameter");
    while (parameterElem)
    {
        String name = parameterElem.GetAttribute("name");
        SetShaderParameter(name, ParseShaderParameterValue(parameterElem.GetAttribute("value")));
        parameterElem = parameterElem.GetNext("parameter");
    }
    
    XMLElement cullElem = source.GetChild("cull");
    if (cullElem)
        SetCullMode((CullMode)GetStringListIndex(cullElem.GetAttribute("value").CString(), cullModeNames, CULL_CCW));
    
    XMLElement shadowCullElem = source.GetChild("shadowcull");
    if (shadowCullElem)
        SetShadowCullMode((CullMode)GetStringListIndex(shadowCullElem.GetAttribute("value").CString(), cullModeNames, CULL_CCW));
    
    XMLElement depthBiasElem = source.GetChild("depthbias");
    if (depthBiasElem)
        SetDepthBias(BiasParameters(depthBiasElem.GetFloat("constant"), depthBiasElem.GetFloat("slopescaled")));
    
    // Calculate memory use
    unsigned memoryUse = sizeof(Material);
    
    memoryUse += techniques_.Size() * sizeof(TechniqueEntry);
    memoryUse += MAX_MATERIAL_TEXTURE_UNITS * sizeof(SharedPtr<Texture>);
    memoryUse += shaderParameters_.Size() * sizeof(MaterialShaderParameter);
    
    SetMemoryUse(memoryUse);
    CheckOcclusion();
    return true;
}