RendererModules/Irrlicht/Renderer.h

/***********************************************************************
    created:    Tue Mar 3 2009
    author:     Paul D Turner (parts based on original code by Thomas Suter)
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2011 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/
#ifndef _CEGUIIrrlichtRenderer_h_
#define _CEGUIIrrlichtRenderer_h_

#include "CEGUI/RendererModules/Irrlicht/RendererDef.h"
#include "../../Renderer.h"
#include "../../Size.h"
#include "../../Vector.h"

#include <vector>
#include <map>

#if defined(_MSC_VER)
#   pragma warning(push)
#   pragma warning(disable : 4251)
#endif

// forward reference irrlicht classes
namespace irr
{
class IrrlichtDevice;
struct SEvent;

namespace video
{
class IVideoDriver;
}

namespace io
{
class IFileSystem;
}

}

// Start of CEGUI namespace section
namespace CEGUI
{
class IrrlichtTexture;
class IrrlichtGeometryBuffer;
class IrrlichtResourceProvider;
class IrrlichtEventPusher;
class IrrlichtImageCodec;

class IRR_GUIRENDERER_API IrrlichtRenderer : public Renderer
{
public:
    static IrrlichtRenderer& bootstrapSystem(irr::IrrlichtDevice& device,
                                             const int abi = CEGUI_VERSION_ABI);

    static void destroySystem();

    static IrrlichtRenderer& create(irr::IrrlichtDevice& device,
                                    const int abi = CEGUI_VERSION_ABI);

    static void destroy(IrrlichtRenderer& renderer);

    static IrrlichtResourceProvider&
        createIrrlichtResourceProvider(irr::io::IFileSystem& fs);

    static void destroyIrrlichtResourceProvider(IrrlichtResourceProvider& rp);

    static IrrlichtImageCodec& createIrrlichtImageCodec(
                                    irr::video::IVideoDriver& driver);

    static void destroyIrrlichtImageCodec(IrrlichtImageCodec& ic);

    bool injectEvent(const irr::SEvent& event);

    Sizef getAdjustedTextureSize(const Sizef& sz) const;

    static float getNextPOTSize(const float f);
    
    bool isTexCoordSystemFlipped() const { return false; }

    // implement Renderer interface
    RenderTarget& getDefaultRenderTarget();
    GeometryBuffer& createGeometryBuffer();
    void destroyGeometryBuffer(const GeometryBuffer& buffer);
    void destroyAllGeometryBuffers();
    TextureTarget* createTextureTarget();
    void destroyTextureTarget(TextureTarget* target);
    void destroyAllTextureTargets();
    Texture& createTexture(const String& name);
    Texture& createTexture(const String& name,
                           const String& filename,
                           const String& resourceGroup);
    Texture& createTexture(const String& name, const Sizef& size);
    void destroyTexture(Texture& texture);
    void destroyTexture(const String& name);
    void destroyAllTextures();
    Texture& getTexture(const String& name) const;
    bool isTextureDefined(const String& name) const;
    void beginRendering();
    void endRendering();
    void setDisplaySize(const Sizef& sz);
    const Sizef& getDisplaySize() const;
    const Vector2f& getDisplayDPI() const;
    uint getMaxTextureSize() const;
    const String& getIdentifierString() const;
    const IrrlichtEventPusher* getEventPusher() const;

protected:
    IrrlichtRenderer(irr::IrrlichtDevice& device);
    ~IrrlichtRenderer();

    void throwIfNameExists(const String& name) const;
    static void logTextureCreation(const String& name);
    static void logTextureDestruction(const String& name);

    static String d_rendererID;
    irr::IrrlichtDevice& d_device;
    irr::video::IVideoDriver* d_driver;
    Sizef d_displaySize;
    Vector2f d_displayDPI;
    RenderTarget* d_defaultTarget;
    typedef std::vector<TextureTarget*> TextureTargetList;
    TextureTargetList d_textureTargets;
    typedef std::vector<IrrlichtGeometryBuffer*> GeometryBufferList;
    GeometryBufferList d_geometryBuffers;
    typedef std::map<String, IrrlichtTexture*, StringFastLessCompare
                     CEGUI_MAP_ALLOC(String, IrrlichtTexture*)> TextureMap;
    TextureMap d_textures;
    uint d_maxTextureSize;
    IrrlichtEventPusher* d_eventPusher;
    bool d_supportsNSquareTextures;
    bool d_supportsNPOTTextures;
};

} // End of  CEGUI namespace section

#if defined(_MSC_VER)
#   pragma warning(pop)
#endif

#endif  // end of guard _CEGUIIrrlichtRenderer_h_