private bool ValidMove(direction dir)
{
Globals.coords tempcoord = currPiece.location;
int[,] shape = new int[4, 4];
bool valid = false;
//setup phase: change coordinates or piece for checkPiece
switch(dir)
{
//modify x/y values for pieces if necessary
case direction.LEFT:
tempcoord.x = currPiece.location.x - 1;
shape = currPiece.shape;
break;
case direction.RIGHT:
tempcoord.x = currPiece.location.x + 1;
shape = currPiece.shape;
break;
case direction.TICK_DOWN:
case direction.DOWN:
tempcoord.y = currPiece.location.y + 1;
shape = currPiece.shape;
break;
case direction.RotateCW:
shape = currPiece.getRotation(rotType.CW);
break;
case direction.HARD_DROP:
tempcoord = hardDropLocation;
shape = currPiece.shape;
newPiece = true;
break;
case direction.NEW_PIECE:
tempcoord.x = 5;
tempcoord.y = 0;
shape = currPiece.shape;
break;
}
//hack: if an I tetrionimo is positioned at X = -1, checking
//bounds results in an IndexOutofRangeException (since we're checking L to R).
//should enable a temporary x-offset property that's generated
//when the temporary piece is rotated.
int temp = shape[0,0] + shape[1,0] + shape[2,0] + shape[3,0];
//action phase: checkPiece
if(tempcoord.x > -1 || temp == 0)
{
if (field.checkPiece(shape, tempcoord))
{
currPiece.location = tempcoord;
valid = true;
}
}
//finishing phase: move is valid, set the rotations.
if (valid == true)
{
switch (dir)
{
case direction.RotateCW:
currPiece.setRotation(rotType.CW);
break;
case direction.RotateCCW:
currPiece.setRotation(rotType.CCW);
break;
}
hardDropLocation = field.getHardDrop(currPiece.shape, currPiece.location);
}
else
{
if (dir == direction.TICK_DOWN)
newPiece = true;
}
return valid;
}
public Tetronimo(Tetronimo oldPiece)
{
_shape = new int[4, 4];
shapeArray = allshapes[oldPiece._type];
rotation = oldPiece.rotation;
this._shape = shapeArray[rotation];
location = oldPiece.location;
_width = oldPiece.width;
_height = oldPiece.height;
GetDimensions();
}
//Maybe separate out Holding stuff to another function?
public void DispatchPiece(bool holding = false)
{
if (state == gameState.COUNTDOWN)
nextPiece = random.Next(0, 7);
if (holding)
{
if (heldPiece > -1)
{
int temp = currPiece.type;
currPiece = new Tetronimo(heldPiece);
heldPiece = temp;
}
else
{
heldPiece = currPiece.type;
currPiece = new Tetronimo(nextPiece);
nextPiece = random.Next(0, 7);
}
//don't want them to spam the hold key, let another piece go first.
justHeld = true;
}
else
{
currPiece = new Tetronimo(nextPiece);
nextPiece = random.Next(0, 7);
//reset justHeld, we got a new piece
justHeld = false;
}
//if the piece can't be drawn, it's blocked, game ends.
if (!ValidMove(direction.NEW_PIECE))
{
menu = new Menu(gameOverItems);
state = gameState.GAME_OVER;
}
else
{
hardDropLocation = field.getHardDrop(currPiece.shape, currPiece.location);
}
}
