model.h

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// model.h
//
// Copyright (C) 2004, Chris Laurel <claurel@shatters.net>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

#ifndef _CELENGINE_MODEL_H_
#define _CELENGINE_MODEL_H_

#include "mesh.h"

class Model
{
 public:
    Model();
    ~Model();

    const Mesh::Material* getMaterial(uint32) const;

    uint32 addMaterial(const Mesh::Material*);

    Mesh* getMesh(uint32) const;

    uint32 addMesh(Mesh*);

    bool pick(const Ray3d& r, double& distance) const;

    void render(RenderContext&);

    void normalize(const Vec3f& centerOffset);

    bool usesTextureType(Mesh::TextureSemantic) const;

    class MeshComparator
    {
    public:
        virtual bool operator()(const Mesh&, const Mesh&) const = 0;
    };

    void sortMeshes(const MeshComparator&);

    class OpacityComparator : public MeshComparator
    {
    public:
        OpacityComparator(const Model&);

        virtual bool operator()(const Mesh&, const Mesh&) const;

    private:
        float getOpacity(const Mesh& mesh) const;

        const Model& model;
    };

 private:
    std::vector<const Mesh::Material*> materials;
    std::vector<Mesh*> meshes;

    bool textureUsage[Mesh::TextureSemanticMax];
};

#endif // !_CELENGINE_MODEL_H_

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