Skybox.h

//
//  Skybox.h
//  libraries/graphics/src/graphics
//
//  Created by Sam Gateau on 5/4/2015.
//  Copyright 2015 High Fidelity, Inc.
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_model_Skybox_h
#define hifi_model_Skybox_h
 
#include <gpu/Texture.h>
 
#include "Light.h"
 
class ViewFrustum;
 
namespace gpu { class Batch; }
 
namespace graphics {
 
typedef glm::vec3 Color;
 
class Skybox {
public:
    typedef gpu::BufferView UniformBufferView;
 
    Skybox();
    Skybox& operator= (const Skybox& skybox);
    virtual ~Skybox() {};
 
    void setColor(const Color& color);
    const Color getColor() const { return _schemaBuffer.get<Schema>().color; }
 
    void setCubemap(const gpu::TexturePointer& cubemap);
    const gpu::TexturePointer& getCubemap() const { return _cubemap; }
 
    void setOrientation(const glm::quat& orientation);
    const glm::quat getOrientation() const { return _orientation; }
 
    virtual bool empty() { return _empty; }
    virtual void clear();
 
    void prepare(gpu::Batch& batch) const;
    virtual void render(gpu::Batch& batch, const ViewFrustum& frustum, bool forward) const;
 
    static void render(gpu::Batch& batch, const ViewFrustum& frustum, const Skybox& skybox, bool forward);
 
    const UniformBufferView& getSchemaBuffer() const { return _schemaBuffer; }
 
protected:
    class Schema {
    public:
        glm::vec3 color { 0.0f, 0.0f, 0.0f };
        float blend { 0.0f };
    };
 
    void updateSchemaBuffer() const;
 
    mutable gpu::BufferView _schemaBuffer;
    gpu::TexturePointer _cubemap;
    glm::quat _orientation;
 
    bool _empty{ true };
};
typedef std::shared_ptr<Skybox> SkyboxPointer;
 
};
 
#endif //hifi_model_Skybox_h