public bool BottomedOut(TetrisGrid tetris)
{
int[][] grid = tetris.GetGrid();
int lowestpointofgrid = grid.Length - 1;
if (LowestPoint == lowestpointofgrid || this.IsBottomedOut)
{
this.IsBottomedOut = true;
return(true);
}
else if (LowestPoint < lowestpointofgrid)
{
List <Block> BottomBlocks = new List <Block>();
List <int> BlockColumns = new List <int>();
foreach (Block block in AllBlocks)
{
BlockColumns.Add(block.Y);
}
foreach (Block block in AllBlocks)
{
if (block.X == LowestPoint)
{
BottomBlocks.Add(block);
}
if (block.X != LowestPoint)
{
List <Block> listofthiscolumnsblock = new List <Block>();
foreach (Block b in AllBlocks)
{
if (b.Y == block.Y)
{
listofthiscolumnsblock.Add(b);
}
}
if (block.X == listofthiscolumnsblock.Max(Block => Block.X))
{
BottomBlocks.Add(block);
}
}
}
foreach (Block block in BottomBlocks)
{
if ((block.X + 1 <= 17) && grid[block.X + 1][block.Y] != 0)
{
this.IsBottomedOut = true;
return(true);
}
}
}
return(false);
}
public void UnDraw(TetrisGrid tetris)
{
int[][] grid = tetris.GetGrid();
foreach (Block block in AllBlocks)
{
if (block.X > 17 || block.X < 0)
{
tetris.SetGrid(grid);
return;
}
if (block.Y > 9 || block.Y < 0)
{
tetris.SetGrid(grid);
return;
}
grid[block.X][block.Y] = 0;
}
tetris.SetGrid(grid);
}
public void ShiftLeft(TetrisGrid tetris)
{
int[][] grid = tetris.GetGrid();
int min = AllBlocks.Min(Block => Block.Y);
int minleft = 0;
if (min <= minleft)
{
return;
}
foreach (Block block in AllBlocks)
{
if (min > 0 && (grid[block.X][min - 1] != 0))
{
return;
}
}
UnDraw(tetris);
foreach (Block block in AllBlocks)
{
block.Y--;
}
Draw(tetris);
}
public void ShiftRight(TetrisGrid tetris)
{
int[][] grid = tetris.GetGrid();
int right = AllBlocks.Max(Block => Block.Y);
int maxright = 9;
if (right >= maxright)
{
return;
}
foreach (Block block in AllBlocks)
{
if (right < 9 && (grid[block.X][right + 1] != 0))
{
return;
}
}
UnDraw(tetris);
foreach (Block block in AllBlocks)
{
block.Y++;
}
Draw(tetris);
}
public override void Rotate(TetrisGrid tetris)
{
int[][] grid = tetris.GetGrid();
int maxRight = grid[0].Length - 1, maxTop = grid.Length - 1;
if (BottomedOut(tetris))
{
return;
}
UnDraw(tetris);
switch (DegreesRotated)
{
case 0:
if (PivotBlock.X + 1 > maxTop)
{
PivotBlock.X -= 3;
}
else if (PivotBlock.X + 2 > maxTop)
{
PivotBlock.X -= 2;
}
else if (PivotBlock.X + 3 > maxTop)
{
PivotBlock.X -= 1;
}
AllBlocks.Clear();
AllBlocks.Add(PivotBlock);
AllBlocks.Add(new Block(PivotBlock.X + 1, PivotBlock.Y));
AllBlocks.Add(new Block(PivotBlock.X + 2, PivotBlock.Y));
AllBlocks.Add(new Block(PivotBlock.X + 3, PivotBlock.Y));
LowestPoint = PivotBlock.X + 3;
this.DegreesRotated += 90;
break;
case 90:
if (PivotBlock.Y - 1 < 0)
{
PivotBlock.Y += 3;
}
else if (PivotBlock.Y - 2 < 0)
{
PivotBlock.Y += 2;
}
else if (PivotBlock.Y - 3 < 0)
{
PivotBlock.Y += 1;
}
AllBlocks.Clear();
AllBlocks.Add(PivotBlock);
AllBlocks.Add(new Block(PivotBlock.X, PivotBlock.Y - 1));
AllBlocks.Add(new Block(PivotBlock.X, PivotBlock.Y - 2));
AllBlocks.Add(new Block(PivotBlock.X, PivotBlock.Y - 3));
LowestPoint = PivotBlock.X;
this.DegreesRotated += 90;
break;
case 180:
if (PivotBlock.X - 1 < 0)
{
PivotBlock.X += 3;
}
else if (PivotBlock.X - 2 < 0)
{
PivotBlock.X += 2;
}
else if (PivotBlock.X - 3 < 0)
{
PivotBlock.X += 1;
}
AllBlocks.Clear();
AllBlocks.Add(PivotBlock);
AllBlocks.Add(new Block(PivotBlock.X - 1, PivotBlock.Y));
AllBlocks.Add(new Block(PivotBlock.X - 2, PivotBlock.Y));
AllBlocks.Add(new Block(PivotBlock.X - 3, PivotBlock.Y));
LowestPoint = PivotBlock.X;
this.DegreesRotated += 90;
break;
case 270:
if (PivotBlock.Y + 1 > maxRight)
{
PivotBlock.Y -= 3;
}
else if (PivotBlock.Y + 2 > maxRight)
{
PivotBlock.Y -= 2;
}
else if (PivotBlock.Y + 3 > maxRight)
{
PivotBlock.Y -= 1;
}
AllBlocks.Clear();
AllBlocks.Add(PivotBlock);
AllBlocks.Add(new Block(PivotBlock.X, PivotBlock.Y + 1));
AllBlocks.Add(new Block(PivotBlock.X, PivotBlock.Y + 2));
AllBlocks.Add(new Block(PivotBlock.X, PivotBlock.Y + 3));
LowestPoint = PivotBlock.X;
this.DegreesRotated = 0;
break;
}
Draw(tetris);
}
