You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
490 lines
13 KiB
490 lines
13 KiB
/****************************************************************************
|
|
|
|
Transfer.c
|
|
|
|
June 91, JimH initial code
|
|
Oct 91, JimH port to Win32
|
|
|
|
Routines for transfering cards and queing cards for transfer are here.
|
|
|
|
****************************************************************************/
|
|
|
|
#include "freecell.h"
|
|
#include "freecons.h"
|
|
#include <assert.h>
|
|
#include <memory.h>
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
Transfer
|
|
|
|
This function actually moves the cards. It both updates the card array,
|
|
and draws the bitmaps. Note that it moves only one card per call.
|
|
|
|
****************************************************************************/
|
|
|
|
VOID Transfer(HWND hWnd, UINT fcol, UINT fpos, UINT tcol, UINT tpos)
|
|
{
|
|
CARD c;
|
|
HDC hDC;
|
|
|
|
DEBUGMSG(TEXT("Transfer request from (%u, "), fcol);
|
|
DEBUGMSG(TEXT("%u) to ("), fpos);
|
|
DEBUGMSG(TEXT("%u, "), tcol);
|
|
DEBUGMSG(TEXT("%u)\r\n"), tpos);
|
|
|
|
assert(fpos < MAXPOS);
|
|
assert(tpos < MAXPOS);
|
|
|
|
UpdateWindow(hWnd); // ensure cards are drawn before animation starts
|
|
|
|
if (fcol == TOPROW) // can't transfer FROM home cells
|
|
{
|
|
if ((fpos > 3) || (card[TOPROW][fpos] == IDGHOST))
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
if ((fpos = FindLastPos(fcol)) == EMPTY) // or from empty column
|
|
return;
|
|
|
|
if (fcol == tcol) // click and release on same column
|
|
{
|
|
hDC = GetDC(hWnd);
|
|
DrawCard(hDC, fcol, fpos, card[fcol][fpos], FACEUP);
|
|
ReleaseDC(hWnd, hDC);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (tcol == TOPROW)
|
|
{
|
|
if (tpos > 3) // if move to home cell
|
|
{
|
|
wCardCount--;
|
|
DisplayCardCount(hWnd); // update display
|
|
c = card[fcol][fpos];
|
|
home[SUIT(c)] = VALUE(c); // new card at top of home[suit]
|
|
}
|
|
}
|
|
else
|
|
tpos = FindLastPos(tcol) + 1; // bottom of column
|
|
|
|
Glide(hWnd, fcol, fpos, tcol, tpos); // send the card on its way
|
|
|
|
c = card[fcol][fpos];
|
|
card[fcol][fpos] = EMPTY;
|
|
card[tcol][tpos] = c;
|
|
|
|
/* If ACE being moved to home cell, update homesuit array. */
|
|
|
|
if (VALUE(c) == ACE && tcol == TOPROW && tpos > 3)
|
|
homesuit[SUIT(c)] = tpos;
|
|
|
|
if (tcol == TOPROW)
|
|
{
|
|
hDC = GetDC(hWnd);
|
|
DrawKing(hDC, tpos < 4 ? LEFT : RIGHT, TRUE);
|
|
ReleaseDC(hWnd, hDC);
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
MoveCol
|
|
|
|
User has requested a multi-card move to an empty column
|
|
|
|
******************************************************************************/
|
|
|
|
VOID MoveCol(UINT fcol, UINT tcol)
|
|
{
|
|
UINT freecells; // number of free cells
|
|
CARD free[4]; // locations of free cells
|
|
UINT trans; // number to transfer
|
|
INT i; // counter
|
|
|
|
assert(fcol != TOPROW);
|
|
assert(tcol != TOPROW);
|
|
assert(card[fcol][0] != EMPTY);
|
|
|
|
/* Count number of free cells and put locations in free[] */
|
|
|
|
freecells = 0;
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
if (card[TOPROW][i] == EMPTY)
|
|
{
|
|
free[freecells] = i;
|
|
freecells++;
|
|
}
|
|
}
|
|
|
|
/* Find number of cards to transfer */
|
|
|
|
if (fcol == TOPROW || tcol == TOPROW)
|
|
trans = 1;
|
|
else
|
|
trans = NumberToTransfer(fcol, tcol);
|
|
|
|
if (trans > (freecells+1)) // don't transfer too many
|
|
trans = freecells+1;
|
|
|
|
/* Move to free cells */
|
|
|
|
trans--;
|
|
for (i = 0; i < (INT)trans; i++)
|
|
QueueTransfer(fcol, 0, TOPROW, free[i]);
|
|
|
|
/* Transfer last card directly */
|
|
|
|
QueueTransfer(fcol, 0, tcol, 0);
|
|
|
|
/* transfer from free cells to column */
|
|
|
|
for (i = trans-1; i >= 0; i--)
|
|
QueueTransfer(TOPROW, free[i], tcol, 0);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
MultiMove
|
|
|
|
User has chosen to move from one non-empty column to another.
|
|
|
|
******************************************************************************/
|
|
|
|
VOID MultiMove(UINT fcol, UINT tcol)
|
|
{
|
|
CARD free[4]; // locations of free cells
|
|
UINT freecol[MAXCOL]; // locations of free columns
|
|
UINT freecells; // number of free cells
|
|
UINT trans; // number to transfer
|
|
UINT col, pos;
|
|
INT i; // counter
|
|
|
|
assert(fcol != TOPROW);
|
|
assert(tcol != TOPROW);
|
|
assert(card[fcol][0] != EMPTY);
|
|
|
|
/* Count number of free cells and put locations in free[] */
|
|
|
|
freecells = 0;
|
|
for (pos = 0; pos < 4; pos++)
|
|
{
|
|
if (card[TOPROW][pos] == EMPTY)
|
|
{
|
|
free[freecells] = pos;
|
|
freecells++;
|
|
}
|
|
}
|
|
|
|
/* Find the number of cards to move. If the number is too big to
|
|
move all at once, push partial results into available columns. */
|
|
|
|
trans = NumberToTransfer(fcol, tcol);
|
|
if (trans > (freecells+1))
|
|
{
|
|
i = 0;
|
|
for (col = 1; col < MAXCOL; col++)
|
|
if (card[col][0] == EMPTY)
|
|
freecol[i++] = col;
|
|
|
|
/* transfer into free columns until direct transfer can be made */
|
|
|
|
i = 0;
|
|
while (trans > (freecells + 1))
|
|
{
|
|
MoveCol(fcol, freecol[i]);
|
|
trans -= (freecells + 1);
|
|
i++;
|
|
}
|
|
|
|
MoveCol(fcol, tcol); // do last transfer directly
|
|
|
|
for (i--; i >= 0; i--) // gather cards in free cells
|
|
MoveCol(freecol[i], tcol);
|
|
}
|
|
else // else all one MoveCol()
|
|
{
|
|
MoveCol(fcol, tcol);
|
|
}
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
QueueTransfer
|
|
|
|
In order that multi-card moves happen slowly enough for the user to
|
|
watch, they are not moved as soon as they are calculated. Instead,
|
|
they first are queued using this function into the movelist array.
|
|
|
|
After the request is queued, the card array is updated to reflect the
|
|
request. This is ok because the card array is saved away in shadow
|
|
temporarily. The same logic as in Transfer() is used to update card.
|
|
|
|
****************************************************************************/
|
|
|
|
VOID QueueTransfer(UINT fcol, UINT fpos, UINT tcol, UINT tpos)
|
|
{
|
|
CARD c;
|
|
MOVE move;
|
|
|
|
assert(moveindex < MAXMOVELIST);
|
|
assert(fpos < MAXPOS);
|
|
assert(tpos < MAXPOS);
|
|
|
|
move.fcol = fcol; // package move request into MOVE type
|
|
move.fpos = fpos;
|
|
move.tcol = tcol;
|
|
move.tpos = tpos;
|
|
movelist[moveindex++] = move; // store request in array and update index
|
|
|
|
/* Now update card array if necessary. */
|
|
|
|
if (fcol == TOPROW)
|
|
{
|
|
if ((fpos > 3) || (card[TOPROW][fpos] == IDGHOST))
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
if ((fpos = FindLastPos(fcol)) == EMPTY)
|
|
return;
|
|
|
|
if (fcol == tcol) // click and release on same column
|
|
return;
|
|
}
|
|
|
|
if (tcol == TOPROW)
|
|
{
|
|
if (tpos > 3)
|
|
{
|
|
c = card[fcol][fpos];
|
|
home[SUIT(c)] = VALUE(c);
|
|
}
|
|
}
|
|
else
|
|
tpos = FindLastPos(tcol) + 1;
|
|
|
|
c = card[fcol][fpos];
|
|
card[fcol][fpos] = EMPTY;
|
|
card[tcol][tpos] = c;
|
|
|
|
if (VALUE(c) == ACE && tcol == TOPROW && tpos > 3)
|
|
homesuit[SUIT(c)] = tpos;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
MoveCards
|
|
|
|
If there are queued transfer requests, this function moves them.
|
|
|
|
******************************************************************************/
|
|
|
|
VOID MoveCards(HWND hWnd)
|
|
{
|
|
UINT i;
|
|
|
|
if (moveindex == 0) // if there are no queued requests
|
|
return;
|
|
|
|
/* restore card to its state before requests got queued. */
|
|
|
|
memcpy(&(card[0][0]), &(shadow[0][0]), sizeof(card));
|
|
|
|
SetCursor(LoadCursor(NULL, IDC_WAIT)); // set cursor to hourglass
|
|
SetCapture(hWnd);
|
|
ShowCursor(TRUE);
|
|
|
|
for (i = 0; i < moveindex; i++)
|
|
Transfer(hWnd, movelist[i].fcol, movelist[i].fpos,
|
|
movelist[i].tcol, movelist[i].tpos);
|
|
|
|
if ((moveindex > 1) || (movelist[0].fcol != movelist[0].tcol))
|
|
{
|
|
cUndo = moveindex;
|
|
EnableMenuItem(GetMenu(hWnd), IDM_UNDO, MF_ENABLED);
|
|
}
|
|
else
|
|
{
|
|
cUndo = 0;
|
|
EnableMenuItem(GetMenu(hWnd), IDM_UNDO, MF_GRAYED);
|
|
}
|
|
|
|
moveindex = 0; // no cards left to move
|
|
|
|
ShowCursor(FALSE);
|
|
SetCursor(LoadCursor(NULL, IDC_ARROW));
|
|
ReleaseCapture();
|
|
|
|
if (wCardCount == 0) // if game is won
|
|
{
|
|
INT cLifetimeWins; // wins including .ini stats
|
|
INT wStreak, wSType; // streak length and type
|
|
INT wWins; // record win streak
|
|
INT_PTR nResponse; // dialog box response
|
|
HDC hDC;
|
|
LONG lRegResult;
|
|
|
|
cUndo = 0;
|
|
EnableMenuItem(GetMenu(hWnd), IDM_UNDO, MF_GRAYED);
|
|
|
|
lRegResult = REGOPEN
|
|
|
|
if (ERROR_SUCCESS == lRegResult)
|
|
{
|
|
bGameInProgress = FALSE;
|
|
bCheating = FALSE;
|
|
cLifetimeWins = GetInt(pszWon, 0);
|
|
|
|
if (gamenumber != oldgamenumber) // repeats don't count
|
|
{
|
|
cLifetimeWins++;
|
|
cWins++;
|
|
cGames++;
|
|
SetInt(pszWon, cLifetimeWins);
|
|
wSType = GetInt(pszSType, LOST);
|
|
if (wSType == LOST)
|
|
{
|
|
SetInt(pszSType, WON);
|
|
wStreak = 1;
|
|
SetInt(pszStreak, 1);
|
|
}
|
|
else
|
|
{
|
|
wStreak = GetInt(pszStreak, 0);
|
|
wStreak++;
|
|
SetInt(pszStreak, wStreak);
|
|
}
|
|
|
|
wWins = GetInt(pszWins, 0);
|
|
if (wWins < wStreak) // if new record
|
|
{
|
|
wWins = wStreak;
|
|
SetInt(pszWins, wWins);
|
|
}
|
|
}
|
|
|
|
REGCLOSE
|
|
}
|
|
|
|
hDC = GetDC(hWnd);
|
|
Payoff(hDC);
|
|
ReleaseDC(hWnd, hDC);
|
|
|
|
bWonState = TRUE;
|
|
nResponse = DialogBox(hInst, TEXT("YouWin"), hWnd, YouWinDlg);
|
|
|
|
if (nResponse == IDYES)
|
|
PostMessage(hWnd, WM_COMMAND,
|
|
bSelecting ? IDM_SELECT : IDM_NEWGAME, 0);
|
|
|
|
oldgamenumber = gamenumber;
|
|
gamenumber = 0; // turn off mouse handling
|
|
}
|
|
else
|
|
IsGameLost(hWnd); // check for game lost
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
|
|
SetCursorShape
|
|
|
|
This function is called in response to WM_MOUSEMOVE. If the current pointer
|
|
position represents a legal move, the cursor shape changes to indicate this.
|
|
|
|
******************************************************************************/
|
|
|
|
VOID SetCursorShape(HWND hWnd, UINT x, UINT y)
|
|
{
|
|
UINT tcol = 0, tpos = 0;
|
|
UINT trans; // number of cards required to transfer
|
|
BOOL bFound; // is cursor over card?
|
|
HDC hDC;
|
|
|
|
/* If we're flipping, cursor is always an hourglass. */
|
|
|
|
if (bFlipping)
|
|
{
|
|
SetCursor(LoadCursor(NULL, IDC_WAIT));
|
|
return;
|
|
}
|
|
|
|
bFound = Point2Card(x, y, &tcol, &tpos);
|
|
|
|
if (bFound && tcol == TOPROW)
|
|
{
|
|
hDC = GetDC(hWnd);
|
|
|
|
if (tpos < 4)
|
|
DrawKing(hDC, LEFT, TRUE);
|
|
else
|
|
DrawKing(hDC, RIGHT, TRUE);
|
|
|
|
ReleaseDC(hWnd, hDC);
|
|
}
|
|
|
|
/* Unless we're chosing a move target, cursor is just an arrow. */
|
|
|
|
if (wMouseMode != TO)
|
|
{
|
|
SetCursor(LoadCursor(NULL, IDC_ARROW));
|
|
return;
|
|
}
|
|
|
|
/* If we're not on a card, check if we're pointing to an empty
|
|
column (up arrow), otherwise arrow. */
|
|
|
|
if (!bFound)
|
|
{
|
|
if ((tcol > 0 && tcol < 9) && (card[tcol][0] == EMPTY))
|
|
SetCursor(LoadCursor(NULL, IDC_UPARROW));
|
|
else
|
|
SetCursor(LoadCursor(NULL, IDC_ARROW));
|
|
return;
|
|
}
|
|
|
|
if (tcol != TOPROW)
|
|
tpos = FindLastPos(tcol);
|
|
|
|
/* Check for cancel request. */
|
|
|
|
if (wFromCol == tcol && wFromPos == tpos)
|
|
{
|
|
SetCursor(LoadCursor(NULL, IDC_ARROW));
|
|
return;
|
|
}
|
|
|
|
/* Check moves from or to the top row. */
|
|
|
|
if (wFromCol == TOPROW || tcol == TOPROW)
|
|
{
|
|
if (IsValidMove(hWnd, tcol, tpos))
|
|
{
|
|
if (tcol == TOPROW)
|
|
SetCursor(LoadCursor(NULL, IDC_UPARROW));
|
|
else
|
|
SetCursor(LoadCursor(hInst, TEXT("DownArrow")));
|
|
}
|
|
else
|
|
SetCursor(LoadCursor(NULL, IDC_ARROW));
|
|
return;
|
|
}
|
|
|
|
/* Check moves between columns. */
|
|
|
|
trans = NumberToTransfer(wFromCol, tcol); // how many required?
|
|
|
|
if ((trans > 0) && (trans <= MaxTransfer()))
|
|
SetCursor(LoadCursor(hInst, TEXT("DownArrow")));
|
|
else
|
|
SetCursor(LoadCursor(NULL, IDC_ARROW));
|
|
}
|