/// <summary>
/// Type 01
/// OOOO
/// </summary>
/// <returns></returns>
protected Shape CreateShape_01()
{
Shape shape = new Shape();
Block[] blocks = new Block[4];
int x, y;
x = m_nInitX;
y = m_nInitY;
blocks[0] = new Block(x++, y);
blocks[1] = new Block(x++, y);
blocks[2] = new Block(x++, y);
blocks[3] = new Block(x, y);
shape.Blocks = blocks;
return shape;
}
/// <summary>
/// Draw a block
/// </summary>
/// <param name="graph"></param>
/// <param name="block">block instance</param>
protected void DrawBlock(Graphics graph, Block block, int imageIndex)
{
Image blockImage;
string sResName;
//if (block.GameType == EnumBlockType.Blank)
// return;
sResName = block.Type.ToString().ToLower();
#if DEBUG
// TODO: remove me
if (m_skin.SkinPath.Contains("web20"))
imageIndex = 1;
#endif
blockImage = m_skin.GetImage(sResName, imageIndex);
if (null != blockImage)
graph.DrawImage(blockImage, block.X * BlockWidth, block.Y * BlockHeight, BlockWidth, BlockHeight);
}
/// <summary>
/// Check whether current block can rotate.
/// </summary>
/// <returns>true if can, otherwise false</returns>
protected bool CanRotate()
{
if (null == m_curShape)
return false;
// the blocks of current shape
Block[] oriBlocks = m_curShape.Blocks;
if (oriBlocks.Length <= 0)
return false;
// temp blocks
Block[] tarBlocks = new Block[oriBlocks.Length];
Block origin = oriBlocks[(int)(oriBlocks.Length + 1) / 2];
// rotated temp blocks
int x, y;
for (int i = 0; i < tarBlocks.Length; i++) {
x = oriBlocks[i].Y - origin.Y + origin.X;
y = origin.X - oriBlocks[i].X + origin.Y;
tarBlocks[i] = new Block(x, y);
}
// check if it's valid.
for (int i = 0; i < tarBlocks.Length; i++) {
if (EnumBlockType.Blank != m_Cells[tarBlocks[i].Y, tarBlocks[i].X].Type)
return false;
}
return true;
}
/// <summary>
/// Draw a block
/// </summary>
/// <param name="graph"></param>
/// <param name="block">block instance</param>
protected void DrawBlock(Graphics graph, Block block)
{
DrawBlock(graph, block, 0);
}
public void Initialize()
{
m_Cells = new Block[Rows, Columns];
for (int i = 0; i < Rows; i++) {
for (int j = 0; j < Columns; j++) {
m_Cells[i, j] = new Block(j, i, EnumBlockType.Blank);
if (i == 0 || i == Rows - 1 || j == 0 || j == Columns - 1) {
m_Cells[i, j].Type = EnumBlockType.Wall;
}
}
}
for (int i = 2; i < Columns - 1; i++) {
m_Cells[Rows - 2, i].Type = EnumBlockType.RoadBlock;
}
this.Size = new Size(BlockWidth * Columns, BlockHeight * Rows);
this.TabStop = false;
this.m_curShape = null;
this.m_nextShape = null;
this.Status = EnumGameStatus.Ready;
this.RePaint();
CreateNextShape();
}
