Added T-Spin

tetris.c

@@ -22,6 +22,7 @@ char GameOn = TRUE;
 suseconds_t timer = 400000; // decrease this to make it faster
 int decrease = 1000;
 int newLines = 0;
+char TSpin = 0;
 
 typedef struct {
     char array[MAXWIDTH][MAXWIDTH];
@@ -71,11 +72,19 @@ char **getHoldPiece(){
 char CopyMem(char *dst, char *org, unsigned int size){
     int i, j;
 	long long *orgL = (long long*)org, *dstL = (long long*)dst;
+	int *orgI = (int*)org, *dstI = (int*)dst;
+	short *orgS = (short*)org, *dstS = (short*)dst;
 	if (dst == NULL)
 		return 0;
 	for (i = 0; i < size / sizeof(long long); i++)
 		dstL[i] = org != NULL ? orgL[i] : 0;
-	i = i * sizeof(long long);
+	i = i * 2;
+	for (i = i; i < size / sizeof(int); i++)
+		dstI[i] = org != NULL ? orgI[i] : 0;
+	i = i * 2;
+	for (i = i; i < size / sizeof(short); i++)
+		dstS[i] = org != NULL ? orgS[i] : 0;
+	i = i * 2;
 	for (i = i; i < size; i++)
 		dst[i] = org != NULL ? org[i] : 0;
 	return 1;
@@ -248,6 +257,7 @@ void ManipulateCurrent(int action){
 			RemoveFullRowsAndUpdateScore();
             SetNewRandomShape();
 			AddPendingLines();
+			TSpin = 0;
 			break;
 		case 's':
 			if (newLines < 0)
@@ -256,10 +266,13 @@ void ManipulateCurrent(int action){
 			if(CheckPosition(temp))
 				current.row++;
 			else {
-				WriteToTable();
-				RemoveFullRowsAndUpdateScore();
-                SetNewRandomShape();
-				AddPendingLines();
+				if (TSpin > 2){
+					WriteToTable();
+					RemoveFullRowsAndUpdateScore();
+					SetNewRandomShape();
+					AddPendingLines();
+					TSpin = 0;
+				} else TSpin++;
 			}
 			break;
 		case 'd':