//
// G A M E.O.N.E - LOW LEVEL LIB V1.0
// Copyright (C) 2001 LEVEL ONE ENTERTAINMENT, 
// Licensed under the terms of LGPL.
//:---------------------------------------------------------------------------
//:Description
//
// FRAMEWORK global object class LAYER
//
//////////////////////////////////////////////////////////////////////


#if !defined(_LAYER_H)
#define _LAYER_H

#include "llfrm_actor.h"


class CLayer : public CActor  
{
public:
	CLayer();
	virtual ~CLayer();

	const char * GetName() { return m_obj_name; };
	int			 GetZOrder() { return m_zorder; };
	
	void SetName(const char * name);
	void SetZOrder(int newZorder );
	void SetAnchor(const char * name );

	virtual	bool Message(const char *Type );
	virtual void SendMsg(const char *Type );

	virtual bool ParseMsg(const char * arg);	// override 

	llgfx_sRECT		m_cliprect;

	bool			m_visible;		// state flag
	bool			m_valid;		// true when initialized

	bool			m_bParalax;	
	CVec2f			m_paralax;		// faktor x,y 
	bool			m_tileblit;		

	static CVec2f last_position;	// used by the offset message

	/************************************************************************/
	/* Native C++ msg interface                                             */
	/************************************************************************/
	void visible(bool vis) { m_visible = vis; } 
	void xypos(CVec2f &newpos) { last_position = m_position = newpos; }
	void xpos(float newx) { last_position.m_u = m_position.m_u = newx; }
	void ypos(float newy) { last_position.m_v = m_position.m_v = newy; }
	void offset(CVec2f &offset) { m_position = offset + last_position; last_position= m_position;}
	void cliprect(s_rect &newcliprect) { ll2d::CopyRect(m_cliprect,newcliprect); m_bVDBlit = !ll2d::IsRectEmpty(m_cliprect); }
	void blitfx_angle(float newangle){ m_blitfx.angle_z = newangle; } // radians
	void blitfx_scale_x(float newscale) { m_scale.m_u = newscale; };
	void blitfx_scale_y(float newscale) { m_scale.m_v = newscale; };
	void blitfx_fixalpha(float newalpha) { m_blitfx.fixalpha = newalpha; };
	void blitfx_color(TxU32 color) { m_blitfx.color1 = color; };
	void blitflag( int newblitflags) { m_blitflag = newblitflags; }
	void zorder(int newzorder) { m_zorder=newzorder; CRoot::PostMsg("layer.sort"); }
	void paralax(CVec2f &dir){m_paralax = dir; m_bParalax =  (dir!= CVec2f(1.0f,1.0f));};
	void setparent(const char*parentname){CActor * parent;	if( gl_root && NULL!= (parent = gl_root->FindActor( parentname )) )	{SetParent( parent );}}
	void script_parse(const char*script){CActor::ParseLine(script);}
	void script(const char*scriptfilename){	CActor::ParseSkriptFile(scriptfilename); }


protected:	
	const char *cur_msg;		// temp pointer, set by Message()
	virtual const char * ExtractMessage( const char * message );

	int			m_zorder;	// layer zorder

protected:
	bool		m_bVDBlit;		// true if cliprect set

};

#endif // !defined(_LAYER_H)