/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.

#ifndef CRYINCLUDE_EDITOR_ANIMATION_SKELETONHIERARCHY_H
#define CRYINCLUDE_EDITOR_ANIMATION_SKELETONHIERARCHY_H
#pragma once


#include <ICryAnimation.h>

namespace Skeleton {
    class CHierarchy
        : public _reference_target_t
    {
    public:
        struct SNode
        {
            string name;
            QuatT pose;

            int32 parent;

            /* TODO: Implement
                    uint32 childrenIndex;
                    uint32 childrenCount;
            */
        };

    public:
        CHierarchy();
        ~CHierarchy();

    public:
        uint32 AddNode(const char* name, const QuatT& pose, int32 parent = -1);
        uint32 GetNodeCount() const { return uint32(m_nodes.size()); }
        SNode* GetNode(uint32 index) { return &m_nodes[index]; }
        const SNode* GetNode(uint32 index) const { return &m_nodes[index]; }
        int32 FindNodeIndexByName(const char* name) const;
        const SNode* FindNode(const char* name) const;
        void ClearNodes() { m_nodes.clear(); }

        void CreateFrom(IDefaultSkeleton* rIDefaultSkeleton);
        void ValidateReferences();

        void AbsoluteToRelative(const QuatT* pSource, QuatT* pDestination);

        bool SerializeTo(XmlNodeRef& node);

    private:
        std::vector<SNode> m_nodes;
    };
} // namespace Skeleton

#endif // CRYINCLUDE_EDITOR_ANIMATION_SKELETONHIERARCHY_H