/// <summary>
/// Determines if a falling progression of a block will result in overlap with other blocks within the grid.
/// </summary>
/// <param name="block">The block to be checked.</param>
/// <param name="grid">The grid that the block is being filled to.</param>
/// <returns>Returns true if the current block will overlap another block in the grid if it falls one row.</returns>
public static bool blockCollision(BlockType block, GridType grid)
{
bool returnValue = false;
Vector2 newVector = block.Brick1.Vector;
newVector.Y++;
if (newVector.Y < 19)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
newVector = block.Brick2.Vector;
newVector.Y++;
if (newVector.Y < 19)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
newVector = block.Brick3.Vector;
newVector.Y++;
if (newVector.Y < 19)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
newVector = block.Brick4.Vector;
newVector.Y++;
if (newVector.Y < 19)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
return(returnValue);
}
/// <summary>
/// Determines if a progression of the rotation state of a block will result in an overlap with another
/// block in the grid.
/// </summary>
/// <param name="block">The block to be checked.</param>
/// <param name="grid">The grid that the block is being filled to.</param>
/// <returns>Returns true if a rotation by the current block will result in an overlap with another
/// block in the game grid.</returns>
public static bool rotationCollision(BlockType block, GridType grid)
{
bool returnValue = false;
RotationData nextRotation;
nextRotation = block.getRotation(block.Rotation);
Vector2 newVector = block.Brick1.Vector + nextRotation.brick1Location;
if ((newVector.X < 0 || newVector.X > 9) || (newVector.Y < 0 || newVector.Y > 18))
{
returnValue = true;
}
else if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
newVector = block.Brick2.Vector + nextRotation.brick2Location;
if ((newVector.X < 0 || newVector.X > 9) || (newVector.Y < 0 || newVector.Y > 18))
{
returnValue = true;
}
else if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
newVector = block.Brick3.Vector + nextRotation.brick3Location;
if ((newVector.X < 0 || newVector.X > 9) || (newVector.Y < 0 || newVector.Y > 18))
{
returnValue = true;
}
else if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
newVector = block.Brick4.Vector + nextRotation.brick4Location;
if ((newVector.X < 0 || newVector.X > 9) || (newVector.Y < 0 || newVector.Y > 18))
{
returnValue = true;
}
else if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
return(returnValue);
}
/// <summary>
/// Determines if there are blocks within the area that another block is supposed to spawn at.
/// </summary>
/// <param name="spawnData"></param>
/// <param name="grid"></param>
/// <returns></returns>
public static bool overlapCollision(SpawnData spawnData, GridType grid)
{
bool returnValue = false;
if (grid.getCell(spawnData.brick1Vector).IsFull)
{
returnValue = true;
}
else if (grid.getCell(spawnData.brick2Vector).IsFull)
{
returnValue = true;
}
else if (grid.getCell(spawnData.brick3Vector).IsFull)
{
returnValue = true;
}
else if (grid.getCell(spawnData.brick4Vector).IsFull)
{
returnValue = true;
}
return(returnValue);
}
/// <summary>
/// Determines if a block will overlap another block within the grid if it
/// moves one space in any horizontal direction.
/// </summary>
/// <param name="block">The block to be checked.</param>
/// <param name="grid">The grid that the block is being filled to.</param>
/// <param name="direction">The direction to check for overlapping blocks.</param>
/// <returns>Returns true if a progression of one space to the specified direction of the current block
/// results in an overlap with another block in the grid.</returns>
public static bool blockCollision(BlockType block, GridType grid, Direction direction)
{
bool returnValue = false;
Vector2 newVector;
if (direction == Direction.left)
{
newVector = block.Brick1.Vector;
newVector.X--;
if (newVector.X > -1)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
else
{
returnValue = true;
}
newVector = block.Brick2.Vector;
newVector.X--;
if (newVector.X > -1)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
else
{
returnValue = true;
}
newVector = block.Brick3.Vector;
newVector.X--;
if (newVector.X > -1)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
else
{
returnValue = true;
}
newVector = block.Brick4.Vector;
newVector.X--;
if (newVector.X > -1)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
else
{
returnValue = true;
}
}
else
{
newVector = block.Brick1.Vector;
newVector.X++;
if (newVector.X < 10)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
else
{
returnValue = true;
}
newVector = block.Brick2.Vector;
newVector.X++;
if (newVector.X < 10)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
else
{
returnValue = true;
}
newVector = block.Brick3.Vector;
newVector.X++;
if (newVector.X < 10)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
else
{
returnValue = true;
}
newVector = block.Brick4.Vector;
newVector.X++;
if (newVector.X < 10)
{
if (grid.getCell(newVector).IsFull&& !brickCollision(block, newVector))
{
returnValue = true;
}
}
else
{
returnValue = true;
}
}
return(returnValue);
}
public void clearGrid(GridType grid)
{
grid.getCell(vector).emptyCell();
}
public void fillGrid(GridType grid)
{
grid.getCell(vector).fillCell(texture, color);
}