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--- notes:data:fall2023:projects:cgf2 [2023/10/25 15:29] – [storage] walley
+++ notes:data:fall2023:projects:cgf2 [2023/11/01 15:17] (current) – [pop] jwieland
@@ Line 43: / Line 43: @@
 =====pop=====
+This is an example of what your pop function might look like.
+<code>
+void pop(stack* s, Cardnode* card) {
+    s->top = card->prev;
+    card->next->prev = card->prev;
+    card->prev->next = card->next;
+    if(s->size!=0){
+      s->size--;
+    }
+}
+</code>
 ====stack underflow====
@@ Line 55: / Line 66: @@
 At the start of the game, all the foundations are empty. To win Freecell, all four foundations must be filled up with the entire deck of cards.
+===Foundation logic===
+To accomplish this functionality you can create the following bool function:
+<code C>
+// Funtion for checking a valid placment of a card in the final destination
+bool isMoveValid(stack* upperStack, cardnode* card)
+{
+     // If the stack is empty, only Ace can be placed
+    if (upperStack->size == 0)
+    {
+        return card->value == 1;
+    }
+    cardnode* topCard = upperStack->top;
+    // Checks if suits are the same and the card being added is one higher than the current card
+    return (topCard->suit == card->suit) && (topCard->value + 1 == card->value);
+}
+</code>
+This function checks if the current card in your hand can be placed onto one of the final stacks (NOTE: This also takes into account that the current card you have matches the suit you are trying to place it on)
+Here is a possible example of calling the function:
+<code C>
+// Checks if the card can be dropped with the isMoveValid funtion and drops if so
+if (isMoveValid(currentStack, Hand->top))
+{
+    cardnode* topCard = pop(Hand);
+    push(currentStack, topCard);
+}
+</code>
+Note:
+hand->top Refers to the card you are moving.
 ====storage====
 There are four Storage piles in the top-left of the board. Unlike the foundations, the each storage slot can only hold one card at a time.
@@ Line 60: / Line 108: @@
 Like the foundations, these start empty at the start of the game. The player may choose to take a card from any tableau and place it within a storage slot, and they can take it back at any time. If all the storage slots are filled, no more cards can be placed into the Storage piles.
 ====tableau====
+The tableaus are the eight piles of cards below the storage piles and foundation piles.
+At the start of the game, the tableaus are filled up with all 52 cards in a shuffled manner (It can be purely random, or placed strategically, it doesn't matter. The tableaus don't need to be a specific size.) The player is only able to interact with the top-most card of the tableau. The player has the option to move that card from one tableau into another tableau. However, a card can only be placed onto a tableau if:
+  - The card being placed has a value of exactly one less than the card it's being placed onto.
+  - The card being placed has a color opposite than the card it's being placed onto.
+The strategy for the player is to try to line up tableaus into positions going from King to Ace. This makes it much easier to place the cards into the foundations.
+Note: When coding the tableaus, a max size for each stack may be desirable so that cards do not go off-screen.
 ====pile====

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