public Tuple <int, int> HandleMoveRequest(int playerID, MessageProject.MovementDirection direction)
{
// Waiting from settings
lock (gameState)
{
// If game hs not started, return invalid Y, X coords to client
if (gameState.gameStarted == false)
{
return(Tuple.Create(-1, -1));
}
}
if (!CheckMovementBoardBoundaries(playerID, direction))
{
Console.WriteLine("Invalid move {0} from position: x:{1}, y:{2}", playersDictionary[playerID].posX, playersDictionary[playerID].posY);
}
// Cast message only on single class (final type decision)
// Check direction of movement
// Map player ID, extract his coords
// Check if coords allow for locking (without checking if player inside goal cell)
// Lock on cur field, movement direction field - requires prior check if move valid - board bounds, goal area
// Assume direction correct! XML valid
else
{
switch (direction)
{
case MessageProject.MovementDirection.left:
Console.WriteLine("Left switch");
MoveLeft(playerID);
// In general the result is not interesting. In either case - send new/old == current, coordinates
break;
case MessageProject.MovementDirection.up:
Console.WriteLine("Top switch!");
MoveUp(playerID);
break;
case MessageProject.MovementDirection.right:
Console.WriteLine("Right switch!");
MoveRight(playerID);
break;
case MessageProject.MovementDirection.down:
Console.WriteLine("Down switch!");
MoveDown(playerID);
break;
}
}
return(Tuple.Create(playersDictionary[playerID].posY, playersDictionary[playerID].posX));
}
// Board restrictions check (board size, team restrictions) - edge cases?
private bool CheckMovementBoardBoundaries(int playerID, MessageProject.MovementDirection direction)
{
// note that board is numerated (0,0) in upper left corner, image coords!
// Board width restriction
// Team wise restriction
// Dir: 1=left, 2=top, 3=right, 4=down
Player player = playersDictionary[playerID]; // Refer to the player object
if (direction.Equals(MessageProject.MovementDirection.up)) // move up
{
if (player.team.Equals(MessageProject.Team.blue))
{
// First neg row is GAlen -1
if (player.posY <= settings.GoalLen)
{
Console.WriteLine("Move from Y: {0} to {1} forbidden. Red area starts", player.posY, player.posY - 1);
return(false);
}
}
else if (player.team.Equals(MessageProject.Team.red))
{
// First neg row is -1
if (player.posY <= 0)
{
Console.WriteLine("Move from Y: {0} to {1} forbidden. Border end top.", player.posY, player.posY - 1);
return(false);
}
}
}
else if (direction.Equals(MessageProject.MovementDirection.down)) // move down
{
if (player.team.Equals(MessageProject.Team.blue))
{
// First neg row is 2*ga + ta
if (player.posY + 1 >= 2 * settings.GoalLen + settings.TaskLen)
{
Console.WriteLine("Move from Y: {0} to {1} forbidden. Board ends", player.posY, player.posY + 1);
return(false);
}
}
else if (player.team.Equals(MessageProject.Team.red))
{
if (player.posY + 1 >= settings.GoalLen + settings.TaskLen)
{
Console.WriteLine("Move from Y: {0} to {1} forbidden. Blue area starts.", player.posY, player.posY + 1);
return(false);
}
// First neg row is GAlen - 1
}
}
else if (direction.Equals(MessageProject.MovementDirection.left))
{
if (player.posX - 1 < 0)
{
Console.WriteLine("Move from X: {0} forbidden. Board width left edge.", player.posX);
return(false);
}
}
else if (direction.Equals(MessageProject.MovementDirection.right))
{
if (player.posX + 1 >= settings.BoardWidth)
{
Console.WriteLine("Move from X: {0} forbidden. Board width right edge.", player.posX);
return(false);
}
}
else
{
Console.WriteLine("Unknown move direction: {0}", direction);
return(false);
}
return(true);
}
