Billboard.hpp

// Copyright (C) 2017 Jérôme Leclercq
// This file is part of the "Nazara Engine - Graphics module"
// For conditions of distribution and use, see copyright notice in Config.hpp

#pragma once

#ifndef NAZARA_BILLBOARD_HPP
#define NAZARA_BILLBOARD_HPP

#include <Nazara/Prerequesites.hpp>
#include <Nazara/Graphics/InstancedRenderable.hpp>
#include <Nazara/Graphics/Material.hpp>

namespace Nz
{
    class Billboard;

    using BillboardConstRef = ObjectRef<const Billboard>;
    using BillboardLibrary = ObjectLibrary<Billboard>;
    using BillboardRef = ObjectRef<Billboard>;

    class NAZARA_GRAPHICS_API Billboard : public InstancedRenderable
    {
        public:
            inline Billboard();
            inline Billboard(MaterialRef material);
            inline Billboard(Texture* texture);
            inline Billboard(const Billboard& billboard);
            Billboard(Billboard&&) = delete;
            ~Billboard() = default;

            void AddToRenderQueue(AbstractRenderQueue* renderQueue, const InstanceData& instanceData) const override;

            inline const Color& GetColor() const;
            inline float GetRotation() const;
            inline const Vector2f& GetSize() const;

            inline void SetColor(const Color& color);
            inline void SetDefaultMaterial();
            inline void SetMaterial(MaterialRef material, bool resizeBillboard = true);
            inline void SetMaterial(std::size_t skinIndex, MaterialRef material, bool resizeBillboard = true);
            inline void SetRotation(float rotation);
            inline void SetSize(const Vector2f& size);
            inline void SetSize(float sizeX, float sizeY);
            inline void SetTexture(TextureRef texture, bool resizeBillboard = true);
            inline void SetTexture(std::size_t skinIndex, TextureRef texture, bool resizeBillboard = true);

            inline Billboard& operator=(const Billboard& billboard);
            Billboard& operator=(Billboard&&) = delete;

            template<typename... Args> static BillboardRef New(Args&&... args);

        private:
            void MakeBoundingVolume() const override;

            Color m_color;
            Vector2f m_sinCos;
            Vector2f m_size;
            float m_rotation;

            static BillboardLibrary::LibraryMap s_library;
    };
}

#include <Nazara/Graphics/Billboard.inl>

#endif // NAZARA_BILLBOARD_HPP