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