// back-end
static void
DrawSeparator (int index, int x)
{
if( index > 0 ) {
if( index == currCurrent ) {
DrawLineEx( x, MarginH, x, nHeightPB - MarginH, PEN_BLUEDOTTED );
}
else if( (index % 20) == 0 ) {
DrawLineEx( x, MarginH, x, nHeightPB - MarginH, PEN_DOTTED );
}
}
}
static BOOL FAR MazeToolProc (HWND hWnd,LONG lParam,WORD wMsg)
{
HDC hDC;
LPFRAME lpFrame;
LPTR lpLine;
POINT pt;
RGBS Pixel;
static int x1,y1;
pt.x = LOWORD(lParam);
pt.y = HIWORD(lParam);
switch (wMsg)
{
case WM_LBUTTONDOWN:
if (!bTrack)
{
lpFrame = ImgGetBaseEditFrame (lpImage);
lpLine = FramePointer (lpFrame,pt.x,pt.y,FALSE);
FrameGetRGB (lpFrame,lpLine,&Pixel,1);
if (Pixel.green && !(Pixel.red & Pixel.blue)) // start green pel
{
// SoundStartID (IDC_LINES,NO,0);
SoundStartResource ("icons",NO,0);
MazeTrailPoints[0].x = x1 = pt.x;
MazeTrailPoints[0].y = y1 = pt.y;
nNumTrailPoints = 1;
if (bShowSolution || bSolved)
{
bShowSolution = bSolved = FALSE;
InvalidateRect (hWnd,NULL,FALSE);
UpdateWindow (hWnd);
}
bTrack = TRUE;
}
else if (!AnimateProc(hWnd,lParam,wMsg))
SoundStartResource ("WRONGANSWER1",NO,0);
}
break;
case WM_MOUSEMOVE:
if (!bTrack)
break;
if (!fAppActive || GetUpdateRect (hWnd,NULL,FALSE))
{
InvertLine (hWnd,x1,y1,x1,y1);
break;
}
InvertLine (hWnd,x1,y1,pt.x,pt.y);
if (!LBUTTON || (pt.x == x1 && pt.y == y1))
break;
// else button is down, so fall through to anchor a point
case WM_LBUTTONUP:
if (bTrack)
{
if (PathIsClear (x1,y1,pt.x,pt.y))
{
lpFrame = ImgGetBaseEditFrame (lpImage);
lpLine = FramePointer (lpFrame,pt.x,pt.y,FALSE);
FrameGetRGB (lpFrame,lpLine,&Pixel,1);
if (Pixel.red && !(Pixel.green & Pixel.blue)) // end red pel
{
SoundStartResource ("GOODANSWER1",NO,0);
StartAnimation(hWnd);
bSolved = TRUE;
bTrack = FALSE;
}
else
{
hDC = GetDC (hWnd);
DrawLineEx (hDC,x1,y1,pt.x,pt.y,
hMazePen ? hMazePen : (HPEN)GetStockObject (BLACK_PEN),FALSE);
ReleaseDC (hWnd,hDC);
x1 = pt.x;
y1 = pt.y;
if (nNumTrailPoints < MAX_LINEPOINTS)
{
MazeTrailPoints[nNumTrailPoints].x = x1;
MazeTrailPoints[nNumTrailPoints].y = y1;
nNumTrailPoints++;
}
}
}
else
SoundStartResource ("WRONGANSWER1",NO,0);
}
break;
case WM_PAINT:
if (bTrack)
{
int i;
hDC = GetDC (hWnd);
pt.x = MazeTrailPoints[0].x;
pt.y = MazeTrailPoints[0].y;
for (i = 1; i < nNumTrailPoints; i++)
{
DrawLineEx (hDC,pt.x,pt.y,
MazeTrailPoints[i].x,MazeTrailPoints[i].y,
hMazePen ? hMazePen : (HPEN)GetStockObject (BLACK_PEN),FALSE);
pt.x = MazeTrailPoints[i].x;
pt.y = MazeTrailPoints[i].y;
}
ReleaseDC (hWnd,hDC);
}
break;
}
return TRUE;
}