Esempio n. 1
0
Ogre::MaterialPtr OgreMaterialProperties::ToOgreMaterial()
{
    // Make clone from the original and uset that for creating the new material.
    Ogre::MaterialPtr matPtr = material_->GetMaterial();
    Ogre::MaterialPtr matPtrClone = matPtr->clone(objectName().toStdString() + "Clone");

    // Material
    if (!matPtrClone.isNull())
    {
        // Technique
        Ogre::Material::TechniqueIterator tIter = matPtrClone->getTechniqueIterator();
        while(tIter.hasMoreElements())
        {
            Ogre::Technique *tech = tIter.getNext();
            Ogre::Technique::PassIterator pIter = tech->getPassIterator();
            while(pIter.hasMoreElements())
            {
                // Pass
                Ogre::Pass *pass = pIter.getNext();
                if (!pass)
                    continue;

                if (pass->hasVertexProgram())
                {
                    // Vertex program
                    const Ogre::GpuProgramPtr &verProg = pass->getVertexProgram();
                    if (!verProg.isNull())
                    {
                        Ogre::GpuProgramParametersSharedPtr verPtr = pass->getVertexProgramParameters();
                        if (verPtr->hasNamedParameters())
                        {
                            // Named parameters (constants)
                            Ogre::GpuConstantDefinitionIterator mapIter = verPtr->getConstantDefinitionIterator();
                            int constNum = 0;
                            while(mapIter.hasMoreElements())
                            {
                                QString paramName(mapIter.peekNextKey().c_str());
                                const Ogre::GpuConstantDefinition &paramDef  = mapIter.getNext();

                                // Filter names that end with '[0]'
                                if (paramName.lastIndexOf("[0]") != -1)
                                    continue;

                                if (!paramDef.isFloat())
                                    continue;

                                size_t size = paramDef.elementSize * paramDef.arraySize;
                                QVector<float> newParamValue;
                                QVector<float>::iterator it;
                                newParamValue.resize(size);

                                // Find the corresponding property value.
                                QVariant val = property(paramName.append(" VP").toLatin1());
                                if (!val.isValid() || val.isNull())
                                    continue;

                                TypeValuePair typeValuePair = val.toMap();
                                QString newValueString(typeValuePair.begin().value().toByteArray());
                                newValueString.trimmed();

                                // fill the float vector with new values
                                it = newParamValue.begin();
                                int i = 0, j = 0;
                                bool ok = true;
                                while(j != -1 && ok)
                                {
                                    j = newValueString.indexOf(' ', i);
                                    QString newValue = newValueString.mid(i, j == -1 ? j : j - i);
                                    if (!newValue.isEmpty())
                                    {
                                        *it = newValue.toFloat(&ok);
                                        ++it;
                                    }
                                    i = j + 1;
                                }

                                // Set the new value.
                                ///\todo use the exact count rather than just 4 values if needed.
                                if (size == 16)
                                {
                                    Ogre::Matrix4 matrix(newParamValue[0], newParamValue[1], newParamValue[2], newParamValue[3],
                                        newParamValue[4], newParamValue[5], newParamValue[6], newParamValue[7],
                                        newParamValue[8], newParamValue[9], newParamValue[10], newParamValue[11],
                                        newParamValue[12], newParamValue[13], newParamValue[14], newParamValue[15]);

#if OGRE_VERSION_MINOR <= 6 && OGRE_VERSION_MAJOR <= 1
                                    verPtr->_writeRawConstant(paramDef.physicalIndex, matrix);
#else
                                    verPtr->_writeRawConstant(paramDef.physicalIndex, matrix, size);
#endif
                                }
                                else
                                {
                                    Ogre::Vector4 vector(newParamValue[0], newParamValue[1], newParamValue[2], newParamValue[3]);
                                    verPtr->_writeRawConstant(paramDef.physicalIndex, vector);
                                }
                            }
                        }
                    }
                }

                if (pass->hasFragmentProgram())
                {
                    // Fragment program
                    const Ogre::GpuProgramPtr &fragProg = pass->getFragmentProgram();
                    if (!fragProg.isNull())
                    {
                        Ogre::GpuProgramParametersSharedPtr fragPtr = pass->getFragmentProgramParameters();
                        if (!fragPtr.isNull())
                        {
                            if (fragPtr->hasNamedParameters())
                            {
                                // Named parameters (constants)
                                Ogre::GpuConstantDefinitionIterator mapIter = fragPtr->getConstantDefinitionIterator();
                                while(mapIter.hasMoreElements())
                                {
                                    QString paramName(mapIter.peekNextKey().c_str());
                                    const Ogre::GpuConstantDefinition &paramDef  = mapIter.getNext();

                                    // Filter names that end with '[0]'
                                    if (paramName.lastIndexOf("[0]") != -1)
                                        continue;

                                    if (!paramDef.isFloat())
                                        continue;

                                    size_t size = paramDef.elementSize * paramDef.arraySize;
                                    QVector<float> newParamValue;
                                    QVector<float>::iterator it;
                                    newParamValue.resize(size);

                                    // Find the corresponding property value.
                                    QVariant val = property(paramName.append(" FP").toLatin1());
                                    if (!val.isValid() || val.isNull())
                                        continue;

                                    TypeValuePair typeValuePair = val.toMap();
                                    QString newValueString(typeValuePair.begin().value().toByteArray());
                                    newValueString.trimmed();

                                    // Fill the float vector with new values.
                                    it = newParamValue.begin();
                                    int i = 0, j = 0;
                                    bool ok = true;
                                    while(j != -1 && ok)
                                    {
                                        j = newValueString.indexOf(' ', i);
                                        QString newValue = newValueString.mid(i, j == -1 ? j : j - i);
                                        if (!newValue.isEmpty())
                                        {
                                            *it = *it = newValue.toFloat(&ok);
                                            ++it;
                                        }
                                        i = j + 1;
                                    }

                                    // Set the new value.
                                    ///\todo use the exact count rather than just 4 values if needed.
                                    if (size == 16)
                                    {
                                        Ogre::Matrix4 matrix(newParamValue[0], newParamValue[1], newParamValue[2], newParamValue[3],
                                            newParamValue[4], newParamValue[5], newParamValue[6], newParamValue[7],
                                            newParamValue[8], newParamValue[9], newParamValue[10], newParamValue[11],
                                            newParamValue[12], newParamValue[13], newParamValue[14], newParamValue[15]);

#if OGRE_VERSION_MINOR <= 6 && OGRE_VERSION_MAJOR <= 1
                                    fragPtr->_writeRawConstant(paramDef.physicalIndex, matrix);
#else
                                    fragPtr->_writeRawConstant(paramDef.physicalIndex, matrix, size);
#endif
                                    }
                                    else
                                    {
                                        Ogre::Vector4 vector(newParamValue[0], newParamValue[1], newParamValue[2], newParamValue[3]);
                                        fragPtr->_writeRawConstant(paramDef.physicalIndex, vector);
                                    }
                                }
                            }
                        }
                    }
                }

                Ogre::Pass::TextureUnitStateIterator texIter = pass->getTextureUnitStateIterator();
                while(texIter.hasMoreElements())
                {
                    // Texture units
                    Ogre::TextureUnitState *tu = texIter.getNext();

                    // Replace the texture name (uuid) with the new one
                    QString tu_name(tu->getName().c_str());

                    QVariant val = property(tu_name.append(" TU").toLatin1());
                    if (!val.isValid() || val.isNull())
                        continue;

                    TypeValuePair typeValuePair = val.toMap();
                    QString newValueString(typeValuePair.begin().value().toByteArray());
                    newValueString.trimmed();

                    tu->setTextureName(newValueString.toStdString());
                    /*
                    //QString new_texture_name = iter->second;
                    RexUUID new_name(iter->second);
                    // If new texture is UUID-based one, make sure the corresponding RexOgreTexture gets created,
                    // because we may not be able to load it later if load fails now
                    if (RexUUID::IsValid(new_texture_name))
                    {
                        RexUUID imageID(new_texture_name);
                        if (!imageID.IsNull())
                        {
                            image* image = imageList.getImage(imageID);
                            if (image)
                            {
                                image->getOgreTexture();
                            }
                        }
                    }
                    //tu->setTextureName(iter->second);
                    */
                }
            }
        }

        return matPtrClone;
    }

    matPtrClone.setNull();
    return matPtrClone;
}
    //-----------------------------------------------------------------------
    void TerrainLiquidObject::_prepareProjector(void)
    {
        if (mProjectorName.empty() || !mProjectorSize)
            return;

        Ogre::MaterialPtr material = Ogre::MaterialManager::getSingleton().getByName(mMaterialName);
        if (material.isNull())
            return;

        bool hasProjector = false;
        {
            Ogre::Material::TechniqueIterator ti = material->getTechniqueIterator();
            while (ti.hasMoreElements())
            {
                Ogre::Technique* technique = ti.getNext();
                Ogre::Technique::PassIterator pi = technique->getPassIterator();
                while (pi.hasMoreElements())
                {
                    Ogre::Pass* pass = pi.getNext();
                    Ogre::Pass::TextureUnitStateIterator tusi = pass->getTextureUnitStateIterator();
                    while (tusi.hasMoreElements())
                    {
                        Ogre::TextureUnitState* tus = tusi.getNext();
                        if (Ogre::StringUtil::startsWith(tus->getName(), "Fairy/Projector", false))
                        {
                            hasProjector = true;
                        }
                    }
                }
            }
        }
        if (!hasProjector)
            return;

        ObjectPtr object = mSystem->getSceneInfo()->findObjectByName(mProjectorName);
        if (!object)
            return;

        Variant directionValue = object->getProperty("direction");
        if (directionValue.empty() || directionValue.type() != typeid(Ogre::Vector3))
            return;

        Ogre::Vector3 direction = VariantCast<Ogre::Vector3>(directionValue);
        direction.normalise();

       Ogre::String name = material->getName() + Ogre::StringConverter::toString((Ogre::ulong)this);

        mProjectionCamera = mTerrainLiquid->getParentSceneNode()->getCreator()->createCamera(name);
        mProjectionCamera->setAutoAspectRatio(false);
        mProjectionCamera->setAspectRatio(1.0f);
        mProjectionCamera->setFixedYawAxis(false);
        mProjectionCamera->setProjectionType(Ogre::PT_ORTHOGRAPHIC);
        mProjectionCamera->setFOVy(Ogre::Degree(90));
        mProjectionCamera->setDirection(-direction);
        mProjectionCamera->setNearClipDistance(mProjectorSize / 2);
        mProjectionCamera->setFarClipDistance(mProjectorSize + 5000.0f);

        mTerrainLiquid->setProjectionCamera(mProjectionCamera);

        mProjectionMaterial = material->clone(name);
        {
            Ogre::Material::TechniqueIterator ti = mProjectionMaterial->getTechniqueIterator();
            while (ti.hasMoreElements())
            {
                Ogre::Technique* technique = ti.getNext();
                Ogre::Technique::PassIterator pi = technique->getPassIterator();
                while (pi.hasMoreElements())
                {
                    Ogre::Pass* pass = pi.getNext();
                    Ogre::Pass::TextureUnitStateIterator tusi = pass->getTextureUnitStateIterator();
                    while (tusi.hasMoreElements())
                    {
                        Ogre::TextureUnitState* tus = tusi.getNext();
                        if (Ogre::StringUtil::startsWith(tus->getName(), "Fairy/Projector", false))
                        {
                            tus->setProjectiveTexturing(true, mProjectionCamera);
                        }
                    }
                }
            }
        }
        mProjectionMaterial->load();
    }