mesh.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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 3
 * of the License, or (at your option) any later version.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GRAPHICS_MESH_MESH_H
#define GRAPHICS_MESH_MESH_H

#include "src/common/ustring.h"
#include "src/common/mutex.h"

#include "src/graphics/graphics.h"
#include "src/graphics/glcontainer.h"
#include "src/graphics/indexbuffer.h"
#include "src/graphics/vertexbuffer.h"

namespace Graphics {

namespace Mesh {

class Mesh : public GLContainer {
public:
    Mesh(GLuint type = GL_TRIANGLES, GLuint hint = GL_STATIC_DRAW);
    ~Mesh();

    VertexBuffer *getVertexBuffer();
    IndexBuffer *getIndexBuffer();

    void setName(const Common::UString &name);
    const Common::UString &getName() const;

    void setType(GLuint type);
    GLuint getType() const;

    void setHint(GLuint hint);
    GLuint getHint() const;

    void init();

    void initGL();
    void updateGL();
    void destroyGL();

    void renderImmediate();

    void renderBind();
    void render();
    void renderUnbind();

    void useIncrement();
    void useDecrement();
    uint32 useCount() const;

    const glm::vec3 &getCentre() const;

    float getRadius() const;

protected:
    // For each attrib, when calculating VBOs, do (attrib address) - (base data address) to find initial data offset.
    VertexBuffer _vertexBuffer;
    IndexBuffer _indexBuffer;

    virtual void doRebuild();

    virtual void doDestroy();

    GLuint _type;
    GLuint _hint;

private:
    Common::UString _name;
    uint32 _usageCount;

    GLuint _vao;  

    glm::vec3 _centre;
    glm::vec3 _max;
    glm::vec3 _min;
    float _radius;
};

} // End of namespace Mesh

} // End of namespace Graphics

#endif // GRAPHICS_MESH_MESH_H