/
Block.cs
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/
Block.cs
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using System;
using System.Drawing;
using System.Drawing.Drawing2D;
namespace Nettrix {
public class Block {
public enum BlockTypes {
Undefined = 0,
Square = 1,
Line = 2,
J = 3,
L = 4,
T = 5,
Z = 6,
S = 7
};
private BlockTypes blockType;
public BlockTypes BlockType {
get { return blockType; }
set { blockType = value; }
}
public enum RotationDirections {
North = 1,
East = 2,
South = 3,
West = 4
};
private RotationDirections statusRotation = RotationDirections.North;
public RotationDirections StatusRotation {
get { return statusRotation; }
set { statusRotation = value; }
}
private Color[] backColors = {Color.Empty, Color.Red, Color.Blue, Color.Red, Color.Yellow, Color.Green, Color.White, Color.Black};
private Color[] foreColors = {Color.Empty, Color.Purple, Color.LightBlue, Color.Yellow, Color.Red, Color.LightGreen, Color.Black, Color.White};
private Square square1;
private Square square2;
private Square square3;
private Square square4;
public Square Square1 {
get { return square1; }
set { square1 = value; }
}
public Square Square2 {
get { return square2; }
set { square2 = value; }
}
public Square Square3 {
get { return square3; }
set { square3 = value; }
}
public Square Square4 {
get { return square4; }
set { square4 = value; }
}
private const int squareSize = GameField.SquareSize;
private static Random random = new Random();
public int Top() {
return Math.Min(square1.Location.Y, Math.Min(square2.Location.Y,
Math.Min(square3.Location.Y, square4.Location.Y)));
}
public Block(Point location, BlockTypes newBlockType) {
if (newBlockType==BlockTypes.Undefined) {
BlockType = (BlockTypes)(random.Next(7)) + 1;
}
else {
BlockType = newBlockType;
}
square1 = new Square(new Size(squareSize, squareSize), backColors[(int)BlockType], foreColors[(int)BlockType]);
square2 = new Square(new Size(squareSize, squareSize), backColors[(int)BlockType], foreColors[(int)BlockType]);
square3 = new Square(new Size(squareSize, squareSize), backColors[(int)BlockType], foreColors[(int)BlockType]);
square4 = new Square(new Size(squareSize, squareSize), backColors[(int)BlockType], foreColors[(int)BlockType]);
switch(BlockType) {
case BlockTypes.Square:
square1.Location = new Point(location.X, location.Y);
square2.Location = new Point(location.X+squareSize, location.Y);
square3.Location = new Point(location.X, location.Y+squareSize);
square4.Location = new Point(location.X+squareSize, location.Y+squareSize);
break;
case BlockTypes.Line:
square1.Location = new Point(location.X, location.Y);
square2.Location = new Point(location.X, location.Y+squareSize);
square3.Location = new Point(location.X, location.Y+2*squareSize);
square4.Location = new Point(location.X, location.Y+3*squareSize);
break;
case BlockTypes.J:
square1.Location = new Point(location.X+squareSize, location.Y);
square2.Location = new Point(location.X+squareSize, location.Y+squareSize);
square3.Location = new Point(location.X+squareSize, location.Y+2*squareSize);
square4.Location = new Point(location.X, location.Y+2*squareSize);
break;
case BlockTypes.L:
square1.Location = new Point(location.X, location.Y);
square2.Location = new Point(location.X, location.Y+squareSize);
square3.Location = new Point(location.X, location.Y+2*squareSize);
square4.Location = new Point(location.X+squareSize, location.Y+2*squareSize);
break;
case BlockTypes.T:
square1.Location = new Point(location.X, location.Y);
square2.Location = new Point(location.X+squareSize, location.Y);
square3.Location = new Point(location.X+2*squareSize, location.Y);
square4.Location = new Point(location.X+squareSize, location.Y+squareSize);
break;
case BlockTypes.Z:
square1.Location = new Point(location.X, location.Y);
square2.Location = new Point(location.X+squareSize, location.Y);
square3.Location = new Point(location.X+squareSize, location.Y+squareSize);
square4.Location = new Point(location.X+2*squareSize, location.Y+squareSize);
break;
case BlockTypes.S:
square1.Location = new Point(location.X, location.Y+squareSize);
square2.Location = new Point(location.X+squareSize, location.Y+squareSize);
square3.Location = new Point(location.X+squareSize, location.Y);
square4.Location = new Point(location.X+2*squareSize, location.Y);
break;
}
}
public void Rotate() {
Point OldPosition1 = square1.Location;
Point OldPosition2 = square2.Location;
Point OldPosition3 = square3.Location;
Point OldPosition4 = square4.Location;
RotationDirections OldStatusRotation = StatusRotation;
Hide(GameField.WinHandle);
// Rotate the blocks
switch(BlockType) {
case BlockTypes.Square:
// Square Doesn't rotate
break;
case BlockTypes.Line:
// Rotate all squares around square 2
switch(StatusRotation) {
case RotationDirections.North:
StatusRotation = RotationDirections.East;
square1.Location = new Point(square2.Location.X-squareSize, square2.Location.Y);
square3.Location = new Point(square2.Location.X+squareSize, square2.Location.Y);
square4.Location = new Point(square2.Location.X+2*squareSize, square2.Location.Y);
break;
case RotationDirections.East:
StatusRotation = RotationDirections.North;
square1.Location = new Point(square2.Location.X, square2.Location.Y-squareSize);
square3.Location = new Point(square2.Location.X, square2.Location.Y+squareSize);
square4.Location = new Point(square2.Location.X, square2.Location.Y+2*squareSize);
break;
}
break;
case BlockTypes.J:
// Rotate all squares around square 3
switch(StatusRotation) {
case RotationDirections.North:
StatusRotation = RotationDirections.East;
square1.Location = new Point(square3.Location.X, square3.Location.Y-squareSize);
square2.Location = new Point(square3.Location.X+squareSize, square3.Location.Y);
square4.Location = new Point(square3.Location.X+2*squareSize, square3.Location.Y);
break;
case RotationDirections.East:
StatusRotation = RotationDirections.South;
square1.Location = new Point(square3.Location.X+squareSize, square3.Location.Y);
square2.Location = new Point(square3.Location.X, square3.Location.Y+squareSize);
square4.Location = new Point(square3.Location.X, square3.Location.Y+2*squareSize);
break;
case RotationDirections.South:
StatusRotation = RotationDirections.West;
square1.Location = new Point(square3.Location.X, square3.Location.Y+squareSize);
square2.Location = new Point(square3.Location.X-squareSize, square3.Location.Y);
square4.Location = new Point(square3.Location.X-2*squareSize, square3.Location.Y);
break;
case RotationDirections.West:
StatusRotation = RotationDirections.North;
square1.Location = new Point(square3.Location.X-squareSize, square3.Location.Y);
square2.Location = new Point(square3.Location.X, square3.Location.Y-squareSize);
square4.Location = new Point(square3.Location.X, square3.Location.Y-2*squareSize);
break;
}
break;
case BlockTypes.L:
// Rotate all squares around square 3
switch(StatusRotation) {
case RotationDirections.North:
StatusRotation = RotationDirections.East;
square1.Location = new Point(square3.Location.X+squareSize, square3.Location.Y);
square2.Location = new Point(square3.Location.X+2*squareSize, square3.Location.Y);
square4.Location = new Point(square3.Location.X, square3.Location.Y+squareSize);
break;
case RotationDirections.East:
StatusRotation = RotationDirections.South;
square1.Location = new Point(square3.Location.X-squareSize, square3.Location.Y);
square2.Location = new Point(square3.Location.X, square3.Location.Y+squareSize);
square4.Location = new Point(square3.Location.X, square3.Location.Y+2*squareSize);
break;
case RotationDirections.South:
StatusRotation = RotationDirections.West;
square1.Location = new Point(square3.Location.X-2*squareSize, square3.Location.Y);
square2.Location = new Point(square3.Location.X-squareSize, square3.Location.Y);
square4.Location = new Point(square3.Location.X, square3.Location.Y-squareSize);
break;
case RotationDirections.West:
StatusRotation = RotationDirections.North;
square1.Location = new Point(square3.Location.X, square3.Location.Y-2*squareSize);
square2.Location = new Point(square3.Location.X, square3.Location.Y-squareSize);
square4.Location = new Point(square3.Location.X+squareSize, square3.Location.Y);
break;
}
break;
case BlockTypes.T:
switch(StatusRotation) {
case RotationDirections.North:
StatusRotation = RotationDirections.East;
square1.Location = new Point(square2.Location.X, square2.Location.Y-squareSize);
square3.Location = new Point(square2.Location.X, square2.Location.Y+squareSize);
square4.Location = new Point(square2.Location.X-squareSize, square2.Location.Y);
break;
case RotationDirections.East:
StatusRotation = RotationDirections.South;
square1.Location = new Point(square2.Location.X+squareSize, square2.Location.Y);
square3.Location = new Point(square2.Location.X-squareSize, square2.Location.Y);
square4.Location = new Point(square2.Location.X, square2.Location.Y-squareSize);
break;
case RotationDirections.South:
StatusRotation = RotationDirections.West;
square1.Location = new Point(square2.Location.X, square2.Location.Y+squareSize);
square3.Location = new Point(square2.Location.X, square2.Location.Y-squareSize);
square4.Location = new Point(square2.Location.X+squareSize, square2.Location.Y);
break;
case RotationDirections.West:
StatusRotation = RotationDirections.North;
square1.Location = new Point(square2.Location.X-squareSize, square2.Location.Y);
square3.Location = new Point(square2.Location.X+squareSize, square2.Location.Y);
square4.Location = new Point(square2.Location.X, square2.Location.Y+squareSize);
break;
}
break;
case BlockTypes.Z:
// Rotate all squares around square 2
switch(StatusRotation) {
case RotationDirections.North:
StatusRotation = RotationDirections.East;
square1.Location = new Point(square2.Location.X, square2.Location.Y-squareSize);
square3.Location = new Point(square2.Location.X-squareSize, square2.Location.Y);
square4.Location = new Point(square2.Location.X-squareSize, square2.Location.Y+squareSize);
break;
case RotationDirections.East:
StatusRotation = RotationDirections.North;
square1.Location = new Point(square2.Location.X-squareSize, square2.Location.Y);
square3.Location = new Point(square2.Location.X, square2.Location.Y+squareSize);
square4.Location = new Point(square2.Location.X+squareSize, square2.Location.Y+squareSize);
break;
}
break;
case BlockTypes.S:
// Rotate all squares around square 2
switch(StatusRotation) {
case RotationDirections.North:
StatusRotation = RotationDirections.East;
square1.Location = new Point(square2.Location.X, square2.Location.Y-squareSize);
square3.Location = new Point(square2.Location.X+squareSize, square2.Location.Y);
square4.Location = new Point(square2.Location.X+squareSize, square2.Location.Y+squareSize);
break;
case RotationDirections.East:
StatusRotation = RotationDirections.North;
square1.Location = new Point(square2.Location.X-squareSize, square2.Location.Y);
square3.Location = new Point(square2.Location.X, square2.Location.Y-squareSize);
square4.Location = new Point(square2.Location.X+squareSize, square2.Location.Y-squareSize);
break;
}
break;
}
if (!(GameField.IsEmpty(square1.Location.X/squareSize, square1.Location.Y/squareSize)&&GameField.IsEmpty(square2.Location.X/squareSize, square2.Location.Y/squareSize)&&GameField.IsEmpty(square3.Location.X/squareSize, square3.Location.Y/squareSize)&&GameField.IsEmpty(square4.Location.X/squareSize, square4.Location.Y/squareSize))) {
StatusRotation = OldStatusRotation;
square1.Location = OldPosition1;
square2.Location = OldPosition2;
square3.Location = OldPosition3;
square4.Location = OldPosition4;
}
Show(GameField.WinHandle);
}
public bool Down() {
if (GameField.IsEmpty(square1.Location.X/squareSize, square1.Location.Y/squareSize+1)&&GameField.IsEmpty(square2.Location.X/squareSize, square2.Location.Y/squareSize+1)&&GameField.IsEmpty(square3.Location.X/squareSize, square3.Location.Y/squareSize+1)&&GameField.IsEmpty(square4.Location.X/squareSize, square4.Location.Y/squareSize+1)) {
Hide(GameField.WinHandle);
square1.Location = new Point(square1.Location.X, square1.Location.Y+squareSize);
square2.Location = new Point(square2.Location.X, square2.Location.Y+squareSize);
square3.Location = new Point(square3.Location.X, square3.Location.Y+squareSize);
square4.Location = new Point(square4.Location.X, square4.Location.Y+squareSize);
Show(GameField.WinHandle);
return true;
}
else {
GameField.StopSquare(square1, square1.Location.X/squareSize, square1.Location.Y/squareSize);
GameField.StopSquare(square2, square2.Location.X/squareSize, square2.Location.Y/squareSize);
GameField.StopSquare(square3, square3.Location.X/squareSize, square3.Location.Y/squareSize);
GameField.StopSquare(square4, square4.Location.X/squareSize, square4.Location.Y/squareSize);
return false;
}
}
public bool Right() {
if (GameField.IsEmpty(square1.Location.X/squareSize+1, square1.Location.Y/squareSize)&&GameField.IsEmpty(square2.Location.X/squareSize+1, square2.Location.Y/squareSize)&&GameField.IsEmpty(square3.Location.X/squareSize+1, square3.Location.Y/squareSize)&&GameField.IsEmpty(square4.Location.X/squareSize+1, square4.Location.Y/squareSize)) {
Hide(GameField.WinHandle);
square1.Location = new Point(square1.Location.X+squareSize, square1.Location.Y);
square2.Location = new Point(square2.Location.X+squareSize, square2.Location.Y);
square3.Location = new Point(square3.Location.X+squareSize, square3.Location.Y);
square4.Location = new Point(square4.Location.X+squareSize, square4.Location.Y);
Show(GameField.WinHandle);
return true;
}
else {
return false;
}
}
public bool Left() {
if (GameField.IsEmpty(square1.Location.X/squareSize-1, square1.Location.Y/squareSize)&&GameField.IsEmpty(square2.Location.X/squareSize-1, square2.Location.Y/squareSize)&&GameField.IsEmpty(square3.Location.X/squareSize-1, square3.Location.Y/squareSize)&&GameField.IsEmpty(square4.Location.X/squareSize-1, square4.Location.Y/squareSize)) {
Hide(GameField.WinHandle);
square1.Location = new Point(square1.Location.X-squareSize, square1.Location.Y);
square2.Location = new Point(square2.Location.X-squareSize, square2.Location.Y);
square3.Location = new Point(square3.Location.X-squareSize, square3.Location.Y);
square4.Location = new Point(square4.Location.X-squareSize, square4.Location.Y);
Show(GameField.WinHandle);
return true;
}
else {
return false;
}
}
public void Show(System.IntPtr winHandle) {
square1.Show(winHandle);
square2.Show(winHandle);
square3.Show(winHandle);
square4.Show(winHandle);
}
public void Hide(System.IntPtr winHandle) {
square1.Hide(winHandle);
square2.Hide(winHandle);
square3.Hide(winHandle);
square4.Hide(winHandle);
}
}
}