Ejemplo n.º 1
0
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;
}
Ejemplo n.º 2
0
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)
        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 fillElem = source.GetChild("fill");
    if (fillElem)
        SetFillMode((FillMode)GetStringListIndex(fillElem.GetAttribute("value").CString(), fillModeNames, FILL_SOLID));

    XMLElement depthBiasElem = source.GetChild("depthbias");
    if (depthBiasElem)
        SetDepthBias(BiasParameters(depthBiasElem.GetFloat("constant"), depthBiasElem.GetFloat("slopescaled")));

    RefreshShaderParameterHash();
    RefreshMemoryUse();
    CheckOcclusion();
    return true;
}