StaticGeometry.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _STATICGEOMETRY_H
#define _STATICGEOMETRY_H
/*
 * Geometry node containing one or more meshes.
 */
#include "Aabb.h"
#include "Node.h"
#include "graphics/Renderer.h"
#include "graphics/VertexBuffer.h"
#include "libs.h"
 
namespace SceneGraph {
 
    class NodeVisitor;
 
    class StaticGeometry : public Node {
    public:
        struct Mesh {
            RefCountedPtr<Graphics::VertexBuffer> vertexBuffer;
            RefCountedPtr<Graphics::IndexBuffer> indexBuffer;
            RefCountedPtr<Graphics::Material> material;
        };
        StaticGeometry(Graphics::Renderer *r);
        StaticGeometry(const StaticGeometry &, NodeCopyCache *cache = 0);
        virtual Node *Clone(NodeCopyCache *cache = 0) override;
        virtual const char *GetTypeName() const override { return "StaticGeometry"; }
        virtual void Accept(NodeVisitor &nv) override;
        virtual void Render(const matrix4x4f &trans, const RenderData *rd) override;
        virtual void Render(const std::vector<matrix4x4f> &trans, const RenderData *rd) override;
 
        virtual void Save(NodeDatabase &) override;
        static StaticGeometry *Load(NodeDatabase &);
 
        void AddMesh(RefCountedPtr<Graphics::VertexBuffer>,
            RefCountedPtr<Graphics::IndexBuffer>,
            RefCountedPtr<Graphics::Material>);
        unsigned int GetNumMeshes() const { return static_cast<Uint32>(m_meshes.size()); }
        Mesh &GetMeshAt(unsigned int i);
 
        void SetRenderState(Graphics::RenderState *s) { m_renderState = s; }
 
        Aabb m_boundingBox;
        Graphics::BlendMode m_blendMode;
 
    protected:
        ~StaticGeometry();
        void DrawBoundingBox(const Aabb &bb);
        std::vector<Mesh> m_meshes;
        std::vector<RefCountedPtr<Graphics::Material>> m_instanceMaterials;
        Graphics::RenderState *m_renderState;
        RefCountedPtr<Graphics::InstanceBuffer> m_instBuffer;
    };
 
} // namespace SceneGraph
#endif