glmeshbuilder.h

Go to the documentation of this file.

/*
    Sheep - A Rigid Body Dynamics Engine
    Copyright (C) 2001-2004 Francois Beaune
    Contact: http://toxicengine.sourceforge.net/

    This file is part of Sheep.

    Sheep 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.

    Sheep is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Sheep; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef SHEEP_RENDERER_GLMESHBUILDER_H
#define SHEEP_RENDERER_GLMESHBUILDER_H

#include "common/math/real.h"
#include "common/math/vector2.h"
#include "common/math/vector3.h"
#include "common/meshio/imeshbuilder.h"
#include "glmesh.h"

#include <memory>   // std::auto_ptr<>
#include <string>
#include <vector>

namespace sheep {

    class Material;

    class GLMeshBuilder :
        public IMeshBuilder,
        public IMeshBuilder::IGeometryBuilder,
        public IMeshBuilder::IMaterialBuilder
    {
    public:
        GLMeshBuilder();
        virtual ~GLMeshBuilder();

        // IMeshBuilder interface.

        typedef GLMesh MeshType;

        virtual IGeometryBuilder *GeometryBuilder();
        virtual IMaterialBuilder *MaterialBuilder();

        std::auto_ptr<GLMesh> GetMesh();

        // IGeometryBuilder interface.

        virtual void BeginSubMesh(const std::string &name);
        virtual void EndSubMesh();

        virtual FeatureId AppendVertex(const Vector3 &v);
        virtual FeatureId AppendNormal(const Vector3 &vn);
        virtual FeatureId AppendTexCoord(const Vector2 &vt);
        virtual FeatureId AppendFace(int n, const FeatureId *v);

        virtual void SetFaceNormals(FeatureId face, int n, const FeatureId *vn);
        virtual void SetFaceTexCoords(FeatureId face, int n, const FeatureId *vt);

        virtual void SetMaterial(FeatureId material);

        // IMaterialBuilder interface.

        virtual FeatureId BeginMaterial(const std::string &name);
        virtual void EndMaterial();

        virtual void SetAmbientColor(Real r, Real g, Real b);
        virtual void SetDiffuseColor(Real r, Real g, Real b);
        virtual void SetSpecularColor(Real r, Real g, Real b);

        virtual void SetTexture(int w, int h, const unsigned char *texels); //!< 24-bit RGB format.

    private:
        std::auto_ptr<GLMesh> m_mesh;

        std::vector<Material *> m_materials;

        GLMesh::SubMesh *m_submesh;     //!< Current sub mesh.
        Material *m_material;           //!< Current material.
    };

}

#endif  // !SHEEP_RENDERER_GLMESHBUILDER_H

---