assimp/tools/assimp_view/Background.h

/*
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Open Asset Import Library (assimp)
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All rights reserved.

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  following disclaimer.

* Redistributions in binary form must reproduce the above
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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*/
#pragma once

namespace AssimpView
{

    class CBackgroundPainter
    {
        CBackgroundPainter()
            :
            clrColor( D3DCOLOR_ARGB( 0xFF, 100, 100, 100 ) ),
            pcTexture( NULL ),
            piSkyBoxEffect( NULL ),
            eMode( SIMPLE_COLOR )
        {}

    public:

        // Supported background draw modi
        enum MODE { SIMPLE_COLOR, TEXTURE_2D, TEXTURE_CUBE };

        // Singleton accessors
        static CBackgroundPainter s_cInstance;
        inline static CBackgroundPainter& Instance()
        {
            return s_cInstance;
        }

        // set the current background color
        // (this removes any textures loaded)
        void SetColor( D3DCOLOR p_clrNew );

        // Setup a cubemap/a 2d texture as background
        void SetCubeMapBG( const char* p_szPath );
        void SetTextureBG( const char* p_szPath );

        // Called by the render loop
        void OnPreRender();
        void OnPostRender();

        // Release any native resources associated with the instance
        void ReleaseNativeResource();

        // Recreate any native resources associated with the instance
        void RecreateNativeResource();

        // Rotate the skybox
        void RotateSB( const aiMatrix4x4* pm );

        // Reset the state of the skybox
        void ResetSB();

        inline MODE GetMode() const
        {
            return this->eMode;
        }

        inline IDirect3DBaseTexture9* GetTexture()
        {
            return this->pcTexture;
        }

        inline ID3DXBaseEffect* GetEffect()
        {
            return this->piSkyBoxEffect;
        }

    private:

        void RemoveSBDeps();

        // current background color
        D3DCOLOR clrColor;

        // current background texture
        IDirect3DBaseTexture9* pcTexture;
        ID3DXEffect* piSkyBoxEffect;

        // current background mode
        MODE eMode;

        // path to the texture
        std::string szPath;

        // transformation matrix for the skybox
        aiMatrix4x4 mMatrix;
    };

}