CollisionGeometry.h

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// Copyright © 2008-2024 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _SCENEGRAPH_COLLISIONGEOMETRY_H
#define _SCENEGRAPH_COLLISIONGEOMETRY_H
 
/*
 * Non-renderable geometry node which CollisionVisitor can use
 * to build a collision mesh.
 */
 
#include "Node.h"
 
namespace Graphics {
    class Surface;
}
 
class GeomTree;
class Geom;
 
namespace SceneGraph {
    class CollisionGeometry : public Node {
    public:
        CollisionGeometry(Graphics::Renderer *r, const std::vector<vector3f> &, const std::vector<Uint32> &, unsigned int flag);
        CollisionGeometry(const CollisionGeometry &, NodeCopyCache *cache = 0);
        virtual Node *Clone(NodeCopyCache *cache = 0) override;
        virtual const char *GetTypeName() const override { return "CollisionGeometry"; }
        virtual void Accept(NodeVisitor &nv) override;
        virtual void Save(NodeDatabase &) override;
        static CollisionGeometry *Load(NodeDatabase &);
 
        const std::vector<vector3f> &GetVertices() const { return m_vertices; }
        const std::vector<Uint32> &GetIndices() const { return m_indices; }
        unsigned int GetTriFlag() const { return m_triFlag; }
 
        bool IsDynamic() const { return m_dynamic; }
        void SetDynamic(bool b) { m_dynamic = b; }
 
        //for linking game collision objects with these nodes
        GeomTree *GetGeomTree() const { return m_geomTree; }
        void SetGeomTree(GeomTree *c) { m_geomTree = c; }
 
        Geom *GetGeom() const { return m_geom; }
        void SetGeom(Geom *g) { m_geom = g; }
 
        enum Flag : unsigned int {
            DOCKING  = 0x01,
            ENTRANCE = 0x02
        };
 
    protected:
        ~CollisionGeometry();
 
    private:
        void CopyData(const std::vector<vector3f> &, const std::vector<Uint32> &);
        std::vector<vector3f> m_vertices;
        std::vector<Uint32> m_indices;
        unsigned int m_triFlag; //only one per node
        bool m_dynamic;
 
        //for dynamic collisions
        GeomTree *m_geomTree;
        Geom *m_geom;
    };
} // namespace SceneGraph
 
#endif