The AI decideAction function has been written but it is currently unt…

…ested, as runGame has not beed modified to make use of the new program. To make this function work the listLength prototype has been moved into Game.h to be used by the AI, a getDeck function was added to give the playerHand list to the AI function and the README has been changed to include the ai.c file in the compilation line.

Game.c

@@ -176,6 +176,10 @@ int getPairs (Game g) {
     return g->playerArray[g->whoseTurn - 1].pairs;
 }
 
+list getDeck (Game g) {
+    return g->playerArray[g->whoseTurn - 1].playerHand;
+}
+
 int checkOpponent (Game g, action a) {
     link curr = g->playerArray[a.player-1].playerHand->head;
     int result = FALSE;

Game.h

@@ -83,6 +83,7 @@ void printHand (Game g);
 int getWhoseTurn (Game g);
 int getRoundNumber (Game g);
 int getPairs (Game g);
+list getDeck (Game g);
 
 // Search through the current player's deck and search for pairs,
 // removing them and incrementing the pair count
@@ -97,3 +98,6 @@ void takeFromPlayer (Game g, action a);
 
 // Calculate and print the winner of a game
 void calculateWinner (Game g);
+
+// Return the length of a given list
+int listLength (list l);

README

@@ -1,6 +1,6 @@
 An implementation of the go fish card game in C.
 
-Compile using:
-gcc -Wall -Werror -O -o goFish Game.c runGame.c
+It is recommended to compile this program using the following line:
+gcc -Wall -Werror -O -o goFish Game.c runGame.c ai.c
 
 Created by Adam Douglas and James Wardman.

ai.c

@@ -10,8 +10,21 @@ action decideAction (Game g);
 action decideAction (Game g) {
     action nextAction;
     int me = getWhoseTurn (g);
+    list playerHand = getDeck (g);
+    int len = listLength (playerHand);
 
-
+    // Choose a random card from the player's deck to ask for
+    int cardNumber = rand () % len;
+    link curr = playerHand->head;
+    for (int i = 0; i < cardNumber; i++) {
+        curr = curr->next;
+    }
+    nextAction.card = curr->value;
+
+    // Choose a random player that isn't the current player to ask
+    do {
+        nextAction.player = rand() % NUM_PLAYERS + 1;
+    } while (nextAction.player != me);
 
     return nextAction;
 }