LightmappedPackedDiffuseMaterial.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "Types.h"
#include "IDiffuseMaterial.h"
#include "IdTypes.h"
#include "Lighting.h"
#include "Rendering.h"
#include "GLHelpers.h"
#include "LightmappedPackedDiffuseShader.h"
#include <string>

namespace Eegeo
{
    namespace Rendering
    {
        namespace Materials
        {
            class LightmappedPackedDiffuseMaterial : protected Eegeo::NonCopyable, public IDiffuseMaterial
            {
            public:
                LightmappedPackedDiffuseMaterial(
                                                 const TMaterialId materialId,
                                                 const std::string& name,
                                                 Shaders::LightmappedPackedDiffuseShader& shader,
                                                 const Lighting::GlobalLighting& lighting,
                                                 const Lighting::GlobalFogging& fogging,
                                                 Rendering::AsyncTexturing::IAsyncTexture& textureId,
                                                 Rendering::TextureMinifyType textureMinifyType,
                                                 bool useAlternativeAmbient,
                                                 bool textureRepeat
                                                 );
                
                bool IsUsingAlternativeAmbient() const { return m_useAlternativeAmbient; }
                void UseAlternativeAmbient(bool useAlternativeAmbient) { m_useAlternativeAmbient = useAlternativeAmbient; }
                
                const TMaterialId GetId() const { return m_id; }
                const Shader& GetShader() const { return m_shader; }
                const std::string& GetName() const { return m_name; }
                
                void SetDiffuseTexture(Rendering::AsyncTexturing::IAsyncTexture& textureId) { m_textureId = &textureId; }
                Rendering::AsyncTexturing::IAsyncTexture& GetTextureId() const { return *m_textureId; }
                
                void SetState(Rendering::GLState& glState) const;
                
                void SetStatePerRenderable(const Rendering::RenderableBase* renderableBase, Rendering::GLState& glState) const;
            protected:
                void BindLightmapTexture(Rendering::GLState& glState, TTextureId lightmapId) const
                {
                    Helpers::GLHelpers::BindTexture2D(glState, m_shader.GetLightmapSamplerId(), lightmapId, Rendering::TextureMinify_Nearest, false);
                }

                const TMaterialId m_id;
                const std::string m_name;
                const Shaders::LightmappedPackedDiffuseShader& m_shader;
                const Lighting::GlobalLighting& m_lighting;
                const Lighting::GlobalFogging& m_fogging;
                Rendering::AsyncTexturing::IAsyncTexture* m_textureId;
                Rendering::TextureMinifyType m_textureMinifyType;
                bool m_textureRepeat;
                bool m_useAlternativeAmbient;
            };
        }
    }
}