private void ApplyGravity(GameObject[,] go, Texture2D[] boxColors)
{
//x axis is [1], y axis is [0]
//i.e. go[y,x] for actual game objects
for (int y = go.GetLength(1) - 2; y >= 0; y--)
{
for (int x = go.GetLength(0) - 1; x >= 0; x--)
{
if (go[y + 1, x].Texture == boxColors[0]) //if the box below is black
{
go[y + 1, x].Texture = go[y, x].Texture;
go[y, x].Texture = boxColors[0];
}
}
}
}
private void SetGameFieldPositions()
{
for (int row = 0; row < boxes.GetLength(0); row++)
{
for (int column = 0; column < boxes.GetLength(1); column++)
{
Vector2 v = new Vector2((float)((GraphicsDevice.Viewport.Width / (gameFieldDimensions)) * (column)),
(GraphicsDevice.Viewport.Height / (gameFieldDimensions + 1)) * (row + 1));
boxes[row, column] = new GameObject(boxColors[0], v);
}
}
}
private void SetTopRowPositions()
{
for (int i = 0; i < topBoxes.Length; i++) //positioning topBoxes in top row
{
Vector2 v = new Vector2((float)((GraphicsDevice.Viewport.Width / gameFieldDimensions) * i), 0);
topBoxes[i] = new GameObject(boxColors[0], v);
}
}
private void RotateClockWise(GameObject[,] go, Texture2D[] boxColors)
{
int n = go.GetLength(0);
int m = go.GetLength(1);
Texture2D[,] matrix = new Texture2D[n, m];
for (int i = 0; i < go.GetLength(0); i++)
{
for (int j = 0; j < go.GetLength(1); j++)
{
matrix[i,j] = go[i, j].Texture;
}
}
Texture2D[,] temp1 = new Texture2D[n, m];
Texture2D[,] temp2 = new Texture2D[n, m];
Texture2D[,] temp3 = new Texture2D[n, m];
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
temp1[i, j] = matrix[n - j - 1, i];
}
}
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
temp2[i, j] = temp1[n - j - 1, i];
}
}
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
temp3[i, j] = temp2[n - j - 1, i];
}
}
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
go[i, j].Texture = temp3[i, j];
}
}
}
private void getRandomColor(GameObject go)
{
Random r = new Random();
go.Texture = boxColors[(int)r.Next(1,4)]; //gets random non-black color
}
private void DropBoxFromTop(GameObject topBox, GameObject[,] boxes)
{
if (boxes[0, topRowPointer].Texture == boxColors[0]) //if the top space is empty, enter the main method
{
if (boxes[0, topRowPointer].Texture == boxColors[0] && boxes[1,topRowPointer].Texture != boxColors[0])
{
boxes[0, topRowPointer].Texture = topBoxes[topRowPointer].Texture;
}
else
{
for (int row = 0; row < boxes.GetLength(1) - 1; row++)
{
if (boxes[row + 1, topRowPointer].Texture == boxColors[0]) //if the space below is empty
{
boxes[row, topRowPointer].Texture = boxColors[0];
boxes[row + 1, topRowPointer].Texture = topBoxes[topRowPointer].Texture;
}
else
{
topBoxes[topRowPointer].Texture = boxColors[0];
getRandomColor(topBoxes[topRowPointer]);
}
}
}
}
else { } //do nothing; the box shouldn't be dropped
}
private void CheckForMatches(GameObject[,] box, Texture2D[] boxColors)
{
for (int i = 0; i < box.GetLength(0); i++)
{
for (int j = 0; j < box.GetLength(1); j++)
{
try
{
if (box[i, j].Texture == box[i - 1, j].Texture && box[i, j].Texture== box[i - 2, j].Texture) //if the three boxes have the same color - 1
{
box[i, j].Texture = boxColors[0];
box[i - 1, j].Texture = boxColors[0];
box[i - 2, j].Texture = boxColors[0];
}
}
catch { }
try
{
if (box[i, j].Texture == box[i - 1, j].Texture && box[i, j].Texture == box[i + 1, j].Texture) //if the three boxes have the same color - 2
{
box[i, j].Texture = boxColors[0];
box[i - 1, j].Texture = boxColors[0];
box[i + 1, j].Texture = boxColors[0];
}
}
catch { }
try
{
if (box[i, j].Texture == box[i + 1, j].Texture && box[i, j].Texture == box[i + 2, j].Texture) //if the three boxes have the same color - 3
{
box[i, j].Texture = boxColors[0];
box[i + 1, j].Texture = boxColors[0];
box[i + 2, j].Texture = boxColors[0];
}
}
catch { }
try
{
if (box[i, j].Texture == box[i, j - 1].Texture && box[i, j].Texture == box[i, j - 2].Texture) //if the three boxes have the same color - 4
{
box[i, j].Texture = boxColors[0];
box[i, j - 1].Texture = boxColors[0];
box[i, j - 2].Texture = boxColors[0];
}
}
catch { }
try
{
if (box[i, j].Texture == box[i , j - 1].Texture && box[i, j].Texture == box[i, j + 1].Texture) //if the three boxes have the same color - 5
{
box[i, j].Texture = boxColors[0];
box[i, j - 1].Texture = boxColors[0];
box[i, j + 1].Texture = boxColors[0];
}
}
catch { }
try
{
if (box[i, j].Texture == box[i , j + 1].Texture && box[i, j].Texture == box[i, j + 2].Texture) //if the three boxes have the same color - 6
{
box[i, j].Texture = boxColors[0];
box[i, j + 1].Texture = boxColors[0];
box[i, j + 2].Texture = boxColors[0];
}
}
catch { }
}
}
}
private void boxPositionChange(KeyboardState newState, Keys[] myKeys, Keys dropButton, GameObject[] topRow, GameObject[,] gameField)
{
//myKeys: up down left right
if (newState.IsKeyDown(dropButton))
{
//drop the block
DropBoxFromTop(topRow[topRowPointer], boxes);
//check for matches
}
if (newState.IsKeyDown(myKeys[0]))
{
//reflect CCW
RotateClockWise(boxes, boxColors);
RotateClockWise(boxes, boxColors);
RotateClockWise(boxes, boxColors);
//gravity happens
}
if (newState.IsKeyDown(myKeys[1]))
{
//rotate clockwise
RotateClockWise(boxes, boxColors);
}
if (newState.IsKeyDown(myKeys[2])) //if left is pressed
{
try
{
topRow[topRowPointer - 1].Texture = topRow[topRowPointer].Texture;
topRow[topRowPointer].Texture = boxColors[0];
topRowPointer--;
}
catch { }
}
if (newState.IsKeyDown(myKeys[3])) //if right is pressed
{
try
{
topRow[topRowPointer + 1].Texture = topRow[topRowPointer].Texture;
topRow[topRowPointer].Texture = boxColors[0];
topRowPointer++;
}
catch { }
}
}