#ifndef __I_GUI_SPRITE_BANK_H_INCLUDED__
#define __I_GUI_SPRITE_BANK_H_INCLUDED__

#include "IUnknown.h"
#include "irrArray.h"
#include "SColor.h"
#include "rect.h"

namespace irr
{

namespace video
{
	class ITexture;
} // end namespace video

namespace gui
{

struct SGUISpriteFrame
{
	u32 textureNumber;
	u32 rectNumber;
};

struct SGUISprite
{
	SGUISprite() : Frames(), frameTime(0) { };
	core::array<SGUISpriteFrame> Frames;
	u32 frameTime;
};


//! Sprite bank interface.
class IGUISpriteBank : public virtual IUnknown
{
public:

	//! Destructor
	virtual ~IGUISpriteBank() {};

	//! Returns the list of rectangles held by the sprite bank
	virtual core::array< core::rect<s32> >& getPositions() = 0;

	//! Returns the array of animated sprites within the sprite bank
	virtual core::array< SGUISprite >& getSprites() = 0;

	//! Returns the number of textures held by the sprite bank
	virtual u32 getTextureCount() = 0;

	//! Gets the texture with the specified index
	virtual video::ITexture* getTexture(u32 index) = 0;

	//! Adds a texture to the sprite bank
	virtual void addTexture(video::ITexture* texture) = 0;

	//! Changes one of the textures in the sprite bank
	virtual void setTexture(u32 index, video::ITexture* texture) = 0;

	//! Draws a sprite in 2d with position and color
	virtual void draw2DSprite(u32 index, const core::position2di& pos, const core::rect<s32>* clip=0,
			const video::SColor& color= video::SColor(255,255,255,255),
				u32 starttime=0, u32 currenttime=0, bool loop=true, bool center=false) = 0;

};

} // end namespace gui
} // end namespace irr

#endif // __I_GUI_SPRITE_BANK_H_INCLUDED__