MatrixTransform.h

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// Copyright © 2008-2023 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _MATRIXTRANSFORM_H
#define _MATRIXTRANSFORM_H
 
#include "Group.h"
#include "matrix4x4.h"
 
namespace Graphics {
    class Renderer;
}
 
namespace SceneGraph {
 
    /*
    * Applies a matrix transform to child nodes
    *
    * Note: transforms are not automatically serialized when saving to disk;
    * they are derived from the original model and animations.
    * If you have programmatically positioned a MatrixTransform, it is your
    * responsibility to ensure the new position is properly serialized.
    */
    class MatrixTransform : public Group {
    public:
        MatrixTransform(Graphics::Renderer *r, const matrix4x4f &m);
        MatrixTransform(const MatrixTransform &, NodeCopyCache *cache = 0);
 
        virtual Node *Clone(NodeCopyCache *cache = 0) override;
        virtual const char *GetTypeName() const override { return "MatrixTransform"; }
        virtual void Accept(NodeVisitor &v) override;
 
        virtual void Save(NodeDatabase &) override;
        static MatrixTransform *Load(NodeDatabase &);
 
        virtual void Render(const matrix4x4f &trans, const RenderData *rd) override;
        virtual void Render(const std::vector<matrix4x4f> &trans, const RenderData *rd) override;
 
        const matrix4x4f &GetTransform() const { return m_transform; }
        void SetTransform(const matrix4x4f &m) { m_transform = m; }
 
    protected:
        virtual ~MatrixTransform() {}
 
    private:
        matrix4x4f m_transform;
    };
} // namespace SceneGraph
#endif