Exemplo n.º 1
0
void BulletNifLoader::handleNode(const std::string& fileName, const Nif::Node *node, int flags,
        bool isCollisionNode, bool isAnimated, bool autogenerated, bool avoid)
{
    // Accumulate the flags from all the child nodes. This works for all
    // the flags we currently use, at least.
    flags |= node->flags;

    if (!node->controller.empty() && node->controller->recType == Nif::RC_NiKeyframeController
            && (node->controller->flags & Nif::NiNode::ControllerFlag_Active))
        isAnimated = true;

    isCollisionNode = isCollisionNode || (node->recType == Nif::RC_RootCollisionNode);

    // Don't collide with AvoidNode shapes
    avoid = avoid || (node->recType == Nif::RC_AvoidNode);

    // We encountered a RootCollisionNode inside autogenerated mesh. It is not right.
    if (node->recType == Nif::RC_RootCollisionNode && autogenerated)
        Log(Debug::Info) << "Found RootCollisionNode attached to non-root node in " << fileName << ". Treat it as a common NiTriShape.";

    // Check for extra data
    Nif::Extra const *e = node;
    while (!e->extra.empty())
    {
        // Get the next extra data in the list
        e = e->extra.getPtr();
        assert(e != nullptr);

        if (e->recType == Nif::RC_NiStringExtraData)
        {
            // String markers may contain important information
            // affecting the entire subtree of this node
            Nif::NiStringExtraData *sd = (Nif::NiStringExtraData*)e;

            if (Misc::StringUtils::ciCompareLen(sd->string, "NC", 2) == 0)
            {
                // No collision. Use an internal flag setting to mark this.
                flags |= 0x800;
            }
            else if (sd->string == "MRK" && autogenerated)
            {
                // Marker can still have collision if the model explicitely specifies it via a RootCollisionNode.
                return;
            }

        }
    }

    if (isCollisionNode)
    {
        // NOTE: a trishape with hasBounds=true, but no BBoxCollision flag should NOT go through handleNiTriShape!
        // It must be ignored completely.
        // (occurs in tr_ex_imp_wall_arch_04.nif)
        if(!node->hasBounds && node->recType == Nif::RC_NiTriShape)
        {
            handleNiTriShape(static_cast<const Nif::NiTriShape*>(node), flags, getWorldTransform(node), isAnimated, avoid);
        }
    }

    // For NiNodes, loop through children
    const Nif::NiNode *ninode = dynamic_cast<const Nif::NiNode*>(node);
    if(ninode)
    {
        const Nif::NodeList &list = ninode->children;
        for(size_t i = 0;i < list.length();i++)
        {
            if(!list[i].empty())
                handleNode(fileName, list[i].getPtr(), flags, isCollisionNode, isAnimated, autogenerated, avoid);
        }
    }
}
Exemplo n.º 2
0
void ManualBulletShapeLoader::handleNode(const Nif::Node *node, int flags,
                                         bool hasCollisionNode, bool isCollisionNode,
                                         bool raycastingOnly)
{
    // Accumulate the flags from all the child nodes. This works for all
    // the flags we currently use, at least.
    flags |= node->flags;

    isCollisionNode = isCollisionNode || (node->recType == Nif::RC_RootCollisionNode);

    // Marker objects: no collision
    /// \todo don't do this in the editor
    if (node->name.find("marker") != std::string::npos)
    {
        flags |= 0x800;
        cShape->mIgnore = true;
    }

    // Check for extra data
    Nif::Extra const *e = node;
    while (!e->extra.empty())
    {
        // Get the next extra data in the list
        e = e->extra.getPtr();
        assert(e != NULL);

        if (e->recType == Nif::RC_NiStringExtraData)
        {
            // String markers may contain important information
            // affecting the entire subtree of this node
            Nif::NiStringExtraData *sd = (Nif::NiStringExtraData*)e;

            // not sure what the difference between NCO and NCC is, or if there even is one
            if (sd->string == "NCO" || sd->string == "NCC")
            {
                // No collision. Use an internal flag setting to mark this.
                flags |= 0x800;
            }
            else if (sd->string == "MRK" && !raycastingOnly)
                // Marker objects. These are only visible in the
                // editor. Until and unless we add an editor component to
                // the engine, just skip this entire node.
                return;
        }
    }

    if(!hasCollisionNode || isCollisionNode)
    {
        if(node->hasBounds)
        {
            cShape->boxTranslation = node->boundPos;
            cShape->boxRotation = node->boundRot;
            mBoundingBox = new btBoxShape(getbtVector(node->boundXYZ));
        }

        if(node->recType == Nif::RC_NiTriShape)
        {
            cShape->mCollide = !(flags&0x800);
            handleNiTriShape(static_cast<const Nif::NiTriShape*>(node), flags, node->getWorldTransform(), raycastingOnly);
        }
    }

    // For NiNodes, loop through children
    const Nif::NiNode *ninode = dynamic_cast<const Nif::NiNode*>(node);
    if(ninode)
    {
        const Nif::NodeList &list = ninode->children;
        for(size_t i = 0;i < list.length();i++)
        {
            if(!list[i].empty())
                handleNode(list[i].getPtr(), flags, hasCollisionNode, isCollisionNode, raycastingOnly);
        }
    }
}