// if user has inputed, then do the responding work
public void userHasInput(string userInput)
{
if (userInput.Equals(MoveLeftCommand))
{
tm.setState(tm.MoveLeftState);
tm.MoveLeft(tv.GetNowBlock());
}
else if (userInput.Equals(MoveLeftCommand))
{
tm.setState(tm.MoveRightState);
tm.MoveRight(tv.GetNowBlock(), tv.GetAllBlocks());
}
else if (userInput.Equals(MoveDownFastCommand))
{
tm.setState(tm.MoveDownFastState);
tm.DropDownFast(tv.GetNowBlock(), tv.GetAllBlocks());
}
else if (userInput.Equals(RotateCommand))
{
tm.setState(tm.RotateState);
tm.Rotate(tv.GetNowBlock(), tv.GetAllBlocks());
}
}
// move the block left
public void MoveLeft(Blocks nowBlock)
{
if (nowBlock != null)
{
PictureBox[,] allBlocks = tv.GetAllBlocks();
Point[] nowBlockIndex = nowBlock.GetAllCubesPosition();
PictureBox[] nowBlockPosition = nowBlock.GetAllCubes();
System.Drawing.Color nowColor = nowBlockPosition[0].BackColor;
Panel panelOnShow = tv.GetPanel1();
if (nowBlock.GetNowState() != States.Stop)
{
for (int i = 0; i < nowBlockIndex.Length; i++)
{
//avoid to move out of range
int x = nowBlockIndex[i].Getx();
if (x <= 0)
{
throw new Exception();
}
int y = nowBlockIndex[i].Gety();
//avoid to touch the existed block
if (allBlocks[y, x - 1].BackColor != panelOnShow.BackColor && allBlocks[y, x - 1].BackColor != allBlocks[y, x].BackColor && !nowBlockPosition.Contains <PictureBox>(allBlocks[y, x - 1]))
{
throw new Exception();
}
}
//set the color of origin block to background color
//compute the new position of block
for (int i = 0; i < nowBlockIndex.Length; i++)
{
nowBlockPosition[i].BackColor = panelOnShow.BackColor;
nowBlockIndex[i].Setx(nowBlockIndex[i].Getx() - 1);
}
//modify position of block
for (int i = 0; i < nowBlockPosition.Length; i++)
{
if (nowBlockIndex[i].Gety() < 0 || nowBlockIndex[i].Gety() > 12 || nowBlockIndex[i].Getx() < 0 || nowBlockIndex[i].Getx() > 8)
{
throw new Exception();
}
nowBlockPosition[i] = allBlocks[nowBlockIndex[i].Gety(), nowBlockIndex[i].Getx()];
nowBlockPosition[i].BackColor = nowColor;
}
// set new info. in every store unit
nowBlock.SetAllCubes(nowBlockPosition);
nowBlock.SetCenter(nowBlockPosition[1]);
}
}
}
