// Copyright (C) 2002-2007 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h

#ifndef __I_ANIMATED_MESH_MD2_H_INCLUDED__
#define __I_ANIMATED_MESH_MD2_H_INCLUDED__

#include "IAnimatedMesh.h"

namespace irr
{
namespace scene
{

	//! Types of standard md2 animations
	enum EMD2_ANIMATION_TYPE
	{
		EMAT_STAND = 0,
		EMAT_RUN,
		EMAT_ATTACK,
		EMAT_PAIN_A,
		EMAT_PAIN_B,
		EMAT_PAIN_C,
		EMAT_JUMP,
		EMAT_FLIP,
		EMAT_SALUTE,
		EMAT_FALLBACK,
		EMAT_WAVE,
		EMAT_POINT,
		EMAT_CROUCH_STAND,
		EMAT_CROUCH_WALK,
		EMAT_CROUCH_ATTACK,
		EMAT_CROUCH_PAIN,
		EMAT_CROUCH_DEATH,
		EMAT_DEATH_FALLBACK,
		EMAT_DEATH_FALLFORWARD,
		EMAT_DEATH_FALLBACKSLOW,
		EMAT_BOOM,

		//! Not an animation, but amount of animation types.
		EMAT_COUNT
	};

	//! Interface for using some special functions of MD2 meshes
	class IAnimatedMeshMD2 : public IAnimatedMesh
	{
	public:

		// Get frame loop data for a default MD2 animation type.
		//! \param l: The EMD2_ANIMATION_TYPE to get the frames for.
		//! \param outBegin: The returned beginning frame for animation type specified.
		//! \param outEnd: The returned ending frame for the animation type specified.
		//! \param outFPS: The number of frames per second, this animation should be played at.
		//! \return Returns the beginframe, endframe and frames per second for a default MD2 animation type.
		virtual void getFrameLoop(EMD2_ANIMATION_TYPE l, s32& outBegin,
			s32& outEnd, s32& outFPS) const = 0;

		// Get frame loop data for a special MD2 animation type, identified by name.
		//! \param name: Name of the animation.
		//! \param outBegin: The returned beginning frame for animation type specified.
		//! \param outEnd: The returned ending frame for the animation type specified.
		//! \param outFPS: The number of frames per second, this animation should be played at.
		//! \return Returns the beginframe, endframe and frames per second for a special MD2 animation type.
		virtual bool getFrameLoop(const c8* name, 
			s32& outBegin, s32& outEnd, s32& outFPS) const = 0;

		//! Returns amount of md2 animations in this file.
		virtual s32 getAnimationCount() const = 0;

		//! Returns name of md2 animation. 
		//! \param nr: Zero based index of animation. 
		virtual const c8* getAnimationName(s32 nr) const = 0;
	};

} // end namespace scene
} // end namespace irr

#endif