// Animation.cpp: implementation of the CAnimation class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "Fantan.h"
#include "Animation.h"
#include "MyBitmap.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CAnimation::CAnimation(int nBitmaps, 
                       char *filePrefix,
                       int positions[][2],
                       CWnd *pWnd,
                       COLORREF transColor)
    : m_nBitmaps(nBitmaps),
      m_state(0),
      m_pWnd(pWnd),
      m_transColor(transColor)
{
    int i;
    CString filename;
    CMyBitmap *ptr;
    BITMAP bm;
    m_positions = new CRect[nBitmaps];
    for (i=0; i<nBitmaps; i++)
    {
        ptr = new CMyBitmap;
        filename.Format("%s%d.gif", filePrefix, i);
        if (ptr->LoadBitmapFromFile(filename))
        {
            m_bitmaps.push_back(ptr);
            ptr->GetBitmap(&bm);
            m_positions[i] = CRect(positions[i][0], 
                                   positions[i][1],
                                   positions[i][0]+bm.bmWidth, 
                                   positions[i][1]+bm.bmHeight);
        }
        else
            delete ptr;
    }
}

CAnimation::~CAnimation()
{
    int i;
    delete m_positions;
    for (i=0; i<m_bitmaps.size(); i++)
        delete m_bitmaps[i];
}

void CAnimation::draw(CDC *pDC)
{
    m_bitmaps[m_state]->DrawSprite(pDC, m_transColor, 
                                   m_positions[m_state].left, 
                                   m_positions[m_state].top);
}


void CAnimation::step(bool reset)
{
    m_pWnd->InvalidateRect(m_positions[m_state], FALSE);
    if (reset)
        m_state = 0;
    else
        m_state = (m_state+1) % m_nBitmaps;
    m_pWnd->InvalidateRect(m_positions[m_state], FALSE);
}