/* Cards dropped to a stack */
bool CARDLIBPROC StackDropProc(CardRegion &stackobj, CardStack &dragcards)
{
Card dragcard = dragcards[dragcards.NumCards() - 1];
int faceup, facedown;
/* Only drop our cards on other stacks */
if (stackobj.Id() == from->Id())
{
return false;
}
/* If stack is empty, everything can be dropped */
if (stackobj.NumCards() != 0)
{
const CardStack &mystack = stackobj.GetCardStack();
/* Can only drop if card is 1 less */
if (mystack[0].LoVal() != dragcard.LoVal() + 1)
{
return false;
}
/* Check if stack complete */
stackobj.GetFaceDirection(&facedown);
faceup = stackobj.NumCards() - facedown;
if (faceup + dragcards.NumCards() >= NUM_ONECOLOR_CARDS)
{
int i, max = NUM_ONECOLOR_CARDS - dragcards.NumCards() - 1;
/* Dragged cards have been checked to be in order, check stack cards */
if (mystack[0].Suit() == dragcard.Suit() &&
stackLookingGood(mystack, max))
{
CardStack s = stackobj.GetCardStack();
CardStack f;
/* Remove from card stack */
for (i = 0; i < max + 1; i++)
{
s.RemoveCard(0);
}
/* Remove dragged cards */
dragcards = f;
stackobj.SetCardStack(s);
cardsFinished += NUM_ONECOLOR_CARDS;
/* Flip top card of the dest stack */
TurnStackCard(stackobj);
}
}
}
/* Flip the top card of the source stack */
TurnStackCard(*from);
fGameStarted = true;
return true;
}
/* Cards dragged from a stack */
bool CARDLIBPROC StackDragProc(CardRegion &stackobj, int numDragCards)
{
int numfacedown, numcards;
stackobj.GetFaceDirection(&numfacedown);
numcards = stackobj.NumCards();
/* Only cards facing up */
if (numDragCards <= numcards - numfacedown)
{
const CardStack &mystack = stackobj.GetCardStack();
/* Don't allow to drag unsuited cards */
if (!stackLookingGood(mystack, numDragCards - 1))
{
return false;
}
/* Remember where the cards come from */
from = &stackobj;
return true;
}
else
{
return false;
}
}
/* Card to be turned from a stack */
void TurnStackCard(CardRegion &stackobj)
{
int numfacedown;
stackobj.GetFaceDirection(&numfacedown);
if (stackobj.NumCards() <= numfacedown)
{
if (numfacedown > 0) numfacedown--;
stackobj.SetFaceDirection(CS_FACE_DOWNUP, numfacedown);
stackobj.Redraw();
}
}
//
// Single-click on one of the row-stacks
// Turn the top-card over if they are all face-down
//
void CARDLIBPROC RowStackClickProc(CardRegion &stackobj, int iNumClicked)
{
TRACE("ENTER RowStackClickProc()\n");
int numfacedown;
stackobj.GetFaceDirection(&numfacedown);
//if all face-down, then make top card face-up
if(stackobj.NumCards() == numfacedown)
{
if(numfacedown > 0) numfacedown--;
stackobj.SetFaceDirection(CS_FACE_DOWNUP, numfacedown);
stackobj.Redraw();
}
TRACE("EXIT RowStackClickProc()\n");
}
//
// Can only drag face-up cards
//
bool CARDLIBPROC RowStackDragProc(CardRegion &stackobj, int iNumDragCards)
{
TRACE("ENTER RowStackDragProc()\n");
int numfacedown;
int numcards;
stackobj.GetFaceDirection(&numfacedown);
numcards = stackobj.NumCards();
TRACE("EXIT RowStackDragProc()\n");
if(iNumDragCards <= numcards-numfacedown)
return true;
else
return false;
}
//
// What happens when a card is removed from face-up pile?
//
void CARDLIBPROC PileRemoveProc(CardRegion &stackobj, int iItems)
{
TRACE("ENTER PileRemoveProc()\n");
//modify our "virtual" pile by removing the same card
//that was removed from the physical card stack
activepile.Pop(iItems);
//if there is just 1 card left, then modify the
//stack to contain ALL the face-up cards..the effect
//will be, the next time a card is dragged, all the
//previous card-triplets will be available underneath
if(stackobj.NumCards() == 1)
{
stackobj.SetOffsets(0,0);
stackobj.SetCardStack(activepile);
}
TRACE("EXIT PileRemoveProc()\n");
}
//
// Row a row-stack, we can only drop cards
// that are lower / different colour
//
bool CARDLIBPROC RowStackDropProc(CardRegion &stackobj, CardStack &dragcards)
{
TRACE("ENTER RowStackDropProc()\n");
Card dragcard = dragcards[dragcards.NumCards() - 1];
//if we are empty, can only drop a stack with a King at bottom
if(stackobj.NumCards() == 0)
{
if(dragcard.LoVal() != 13)
{
TRACE("EXIT RowStackDropProc(false)\n");
return false;
}
}
else
{
const CardStack &mystack = stackobj.GetCardStack();
//can only drop if card is 1 less
if(mystack[0].LoVal() != dragcard.LoVal() + 1)
{
TRACE("EXIT RowStackDropProc(false)\n");
return false;
}
//can only drop if card is different colour
if( (mystack[0].IsBlack() && !dragcard.IsRed()) ||
(!mystack[0].IsBlack() && dragcard.IsRed()) )
{
TRACE("EXIT RowStackDropProc(false)\n");
return false;
}
}
fGameStarted = true;
TRACE("EXIT RowStackDropProc(true)\n");
return true;
}
