GLESNode.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#ifndef META_OCEAN_RENDERING_GLES_NODE_H
#define META_OCEAN_RENDERING_GLES_NODE_H
 
#include "ocean/rendering/glescenegraph/GLESceneGraph.h"
#include "ocean/rendering/glescenegraph/GLESLightSource.h"
#include "ocean/rendering/glescenegraph/GLESObject.h"
#include "ocean/rendering/glescenegraph/GLESTraverser.h"
 
#include "ocean/rendering/Node.h"
 
#include "ocean/math/HomogenousMatrix4.h"
#include "ocean/math/SquareMatrix4.h"
 
namespace Ocean
{
 
namespace Rendering
{
 
namespace GLESceneGraph
{
 
// Forward declaration.
class GLESFramebuffer;
 
/**
 * This class implements a GLESceneGraph node object.
 * @ingroup renderinggles
 */
class OCEAN_RENDERING_GLES_EXPORT GLESNode :
    virtual public GLESObject,
    virtual public Node
{
    public:
 
        /**
         * Adds this node and all child nodes to a traverser.
         * @param framebuffer The framebuffer which the traverser will use when rendering the node
         * @param projectionMatrix The projection matrix to be applied, must be valid
         * @param camera_T_object The transformation between object and camera, often denoted as model view matrix, must be valid
         * @param lights The lights used the render the node and all child nodes, can be empty
         * @param traverser The traverser to which the node will be added
         */
        virtual void addToTraverser(const GLESFramebuffer& framebuffer, const SquareMatrix4& projectionMatrix, const HomogenousMatrix4& camera_T_object, const Lights& lights, GLESTraverser& traverser) const = 0;
 
        /**
         * Returns whether the node is visible.
         * @see Node::visible().
         */
        bool visible() const override;
 
        /**
         * Sets whether the node is visible.
         * @see Node::setVisible().
         */
        void setVisible(const bool visible) override;
 
    protected:
 
        /**
         * Creates a new GLESceneGraph node object.
         */
        GLESNode();
 
        /**
         * Destructs a GLESceneGraph node object.
         */
        ~GLESNode() override;
 
    protected:
 
        /// True, if the node and all child nodes are visible.
        bool visible_;
};
 
}
 
}
 
}
 
#endif // META_OCEAN_RENDERING_GLES_NODE_H