source/gui/pointer.cpp

@@ -0,0 +1,176 @@
+/*=========================================================================
+
+	pointer.cpp
+
+	Author:		PKG
+	Created: 
+	Project:	Spongebob
+	Purpose: 
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+
+/*----------------------------------------------------------------------
+	Includes
+	-------- */
+
+#include "gui\pointer.h"
+
+#ifndef __GAME_GAME_H__
+#include "game\game.h"
+#endif
+
+#ifndef __GFX_SPRBANK_H__
+#include "gfx\sprbank.h"
+#endif
+
+#ifndef __MATHTABLE_HEADER__
+#include "utils\mathtab.h"
+#endif
+
+
+/*	Std Lib
+	------- */
+
+/*	Data
+	---- */
+
+#ifndef __SPR_SPRITES_H__
+#include <sprites.h>
+#endif
+
+
+/*----------------------------------------------------------------------
+	Tyepdefs && Defines
+	------------------- */
+
+/*----------------------------------------------------------------------
+	Structure defintions
+	-------------------- */
+
+/*----------------------------------------------------------------------
+	Function Prototypes
+	------------------- */
+
+/*----------------------------------------------------------------------
+	Vars
+	---- */
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void	CPointerIcon::think(int _frames)
+{
+	int	i;
+
+	for(i=0;i<_frames;i++)
+	{
+		int delta;
+
+		// X
+		delta=m_pointerTarget.vx-m_pointerPos.vx;
+		if(delta<0)
+		{
+			delta/=3;
+			if(!delta)delta=-1;
+		}
+		else if(delta>0)
+		{
+			delta/=3;
+			if(!delta)delta=+1;
+		}
+		m_pointerPos.vx+=delta;
+
+		// Y
+		delta=m_pointerTarget.vy+((msin(m_pointerSin)*4)>>12)-m_pointerPos.vy;
+		if(delta<0)
+		{
+			delta/=3;
+			if(!delta)delta=-1;
+		}
+		else if(delta>0)
+		{
+			delta/=3;
+			if(!delta)delta=+1;
+		}
+		m_pointerPos.vy+=delta;
+
+		// Reached target?
+		if(!m_pointerArrivedAtTarget&&
+		   m_pointerPos.vx==m_pointerTarget.vx&&m_pointerPos.vy==m_pointerTarget.vy)
+		{
+			m_pointerArrivedAtTarget=true;
+		}
+
+		// Make it bob a bit..
+		if(m_pointerArrivedAtTarget)
+		{
+			m_pointerSin=(m_pointerSin+70)&4095;
+		}
+		else
+		{
+			m_pointerSin=0;
+		}
+	}
+}
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void	CPointerIcon::render()
+{
+	SpriteBank		*sb;
+	sFrameHdr		*fh;
+	POLY_FT4		*ft4;
+	int				x,y;
+
+	sb=CGameScene::getSpriteBank();
+	fh=sb->getFrameHeader(FRM__MAPPOINTER);
+	x=m_pointerPos.vx-(fh->W/2);
+	y=m_pointerPos.vy-(fh->H/2);
+	ft4=sb->printFT4(fh,x,y,0,0,9);
+	if(!m_pointerArrivedAtTarget)
+	{
+		setSemiTrans(ft4,true);
+	}
+}
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void	CPointerIcon::setTarget(DVECTOR _target)
+{
+	if(m_pointerTarget.vx!=_target.vx||m_pointerTarget.vy!=_target.vy)
+	{
+		m_pointerTarget=_target;
+		m_pointerArrivedAtTarget=false;
+	}
+PAUL_DBGMSG("%d %d",_target.vx,_target.vy);
+}
+
+/*----------------------------------------------------------------------
+	Function:
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void	CPointerIcon::snapToTarget(DVECTOR _target)
+{
+	m_pointerPos=_target;
+	m_pointerTarget=_target;
+	m_pointerArrivedAtTarget=true;
+}
+
+/*===========================================================================
+ end */

source/gui/pointer.h

@@ -0,0 +1,70 @@
+/*=========================================================================
+
+	pointer.h
+
+	Author:		PKG
+	Created:
+	Project:	Spongebob
+	Purpose:
+
+	Copyright (c) 2001 Climax Development Ltd
+
+===========================================================================*/
+
+#ifndef	__GUI_POINTER_H__
+#define	__GUI_POINTER_H__
+
+/*----------------------------------------------------------------------
+	Includes
+	-------- */
+
+#ifndef _GLOBAL_HEADER_
+#include "system\global.h"		// Doh.. just for DVECTOR :/
+#endif
+
+
+/*	Std Lib
+	------- */
+
+/*----------------------------------------------------------------------
+	Tyepdefs && Defines
+	------------------- */
+
+/*----------------------------------------------------------------------
+	Structure defintions
+	-------------------- */
+
+class CPointerIcon
+{
+public:
+	void				think(int _frames);
+	void				render();
+
+	void				setTarget(DVECTOR _target);
+	void				snapToTarget(DVECTOR _target);
+	
+	int					canPointerSelect()					{return m_pointerArrivedAtTarget;}
+
+private:
+	DVECTOR				m_pointerPos;
+	DVECTOR				m_pointerTarget;
+	int					m_pointerSin;
+	int					m_pointerArrivedAtTarget;
+
+};
+
+
+/*----------------------------------------------------------------------
+	Globals
+	------- */
+
+/*----------------------------------------------------------------------
+	Functions
+	--------- */
+
+/*---------------------------------------------------------------------- */
+
+#endif	/* __GUI_POINTER_H__ */
+
+/*===========================================================================
+ end */