meshbuilder.h

Go to the documentation of this file.

/*
    toxic - A Global Illumination Renderer
    Copyright (C) 2003-2004 Francois Beaune
    Contact: http://toxicengine.sourceforge.net/

    This file is part of toxic.

    toxic 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.

    toxic 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 toxic; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef TOXIC_RENDERER_MESHBUILDER_H
#define TOXIC_RENDERER_MESHBUILDER_H

#include "common/math/matrix4.h"
#include "common/math/real.h"
#include "common/math/vector2.h"
#include "common/math/vector3.h"
#include "common/meshio/imeshbuilder.h"
#include "globals.h"
#include "mesh.h"

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

namespace toxic {

    class ISurfaceShader;
    class Map2;
    class Scene;

    class MeshBuilder :
        public sheep::IMeshBuilder,
        public sheep::IMeshBuilder::IGeometryBuilder,
        public sheep::IMeshBuilder::IMaterialBuilder
    {
    public:
        //! 'm' is the object space to world space transformation matrix.
        //! If 'surface_shader' is set to 0, materials described in the mesh file
        //! will be used. Otherwise, the specified material will be assigned to
        //! every submesh.
        MeshBuilder(
            const sheep::Matrix4 &m,
            const ISurfaceShader *surface_shader,   //!< May be 0.
            IObject::IntersectionMask intersection_mask = IObject::INTERSECT_ALL_RAYS);

        virtual ~MeshBuilder();

        // IMeshBuilder interface.

        typedef Mesh MeshType;
        typedef std::vector<Mesh *> MeshVector;

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

        MeshVector GetMeshes() const;

        // IGeometryBuilder interface.

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

        virtual FeatureId AppendVertex(const sheep::Vector3 &v);
        virtual FeatureId AppendNormal(const sheep::Vector3 &vn);
        virtual FeatureId AppendTexCoord(const sheep::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(sheep::Real r, sheep::Real g, sheep::Real b);
        virtual void SetDiffuseColor(sheep::Real r, sheep::Real g, sheep::Real b);
        virtual void SetSpecularColor(sheep::Real r, sheep::Real g, sheep::Real b);

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

    private:
        sheep::Matrix4 m_m;
        const ISurfaceShader *m_surface_shader;
        IObject::IntersectionMask m_intersection_mask;

        MeshVector m_meshes;

        std::vector<const ISurfaceShader *> m_surface_shaders;
        Color3 m_diffuse_color;
        const Map2 *m_texture_map;
    };

#include "meshbuilder.inl"

}

#endif  // !TOXIC_RENDERER_MESHBUILDER_H

---