private static Vector2 BlockMovement(GameField gameField, MoveObject movement, float movementY, float movementX, Vector2 gamefieldPos)
{
Vector2 newPosition;
newPosition = movement.DestinationScreenPos;
//stop against that wall.
Rectangle targetBlock = gameField.GetBlocksRectange(gamefieldPos);
if (movementX > 0 && movement.DestinationHitBox.Right >= targetBlock.Left)
{
//Set the player next the left side of the block,
//Align the hitbox with the wall
int actualMovement = movement.DestinationHitBox.Right - targetBlock.Left;
newPosition.X = newPosition.X - actualMovement - 1;
}
else if (movementX < 0 && movement.DestinationHitBox.Left <= targetBlock.Right)
{
//set the player to the right side of the block
int actualMovement = movement.DestinationHitBox.Left - targetBlock.Right;
newPosition.X = newPosition.X - actualMovement + 1;
}
if (movementY > 0 && movement.DestinationHitBox.Bottom >= targetBlock.Top)
{
//set the player to the bottom side of the block
int actualMovement = movement.DestinationHitBox.Bottom - targetBlock.Top;
newPosition.Y = newPosition.Y - actualMovement - 1;
}
else if (movementY < 0 && movement.DestinationHitBox.Top <= targetBlock.Bottom)
{
//set the player to the top of the block.
int actualMovement = movement.DestinationHitBox.Top - targetBlock.Bottom;
newPosition.Y = newPosition.Y - actualMovement + 1;
}
return newPosition;
}
public static Vector2 CheckPlayerMovement(GameField gameField, List<BomberManGuy> players, int playerID, MoveObject movement)
{
Vector2 newpoint = checkCollisionWithGameField(gameField, players[playerID], movement);
checkCollisionWithBombs();
checkCollisionWithPlayers();
return newpoint;
}
private static Vector2 checkCollisionWithGameField(GameField gameField, BomberManGuy bomberManGuy, MoveObject movement)
{
Vector2 newPosition = movement.DestinationScreenPos;
float movementX = movement.DestinationScreenPos.X - movement.OrigionalScreenPos.X;
float movementY = movement.DestinationScreenPos.Y - movement.OrigionalScreenPos.Y;
foreach (Vector2 gamefieldPos in movement.DestinationGameFieldPosition)
{
foreach (GamefieldItem gamefieldItem in gameField.Gamefield[(int)gamefieldPos.X, (int)gamefieldPos.Y].Items)
{
switch (gamefieldItem.CollisionType)
{
case CollisionTypes.Block:
newPosition = movement.DestinationScreenPos;
//stop against that wall.
Rectangle targetBlock = gameField.GetBlocksRectange(gamefieldPos);
if (movementX > 0 && movement.DestinationHitBox.Right >= targetBlock.Left)
{ //Set the player next the left side of the block,
//Align the hitbox with the wall
int actualMovement = movement.DestinationHitBox.Right - targetBlock.Left;
newPosition.X = newPosition.X - actualMovement - 1;
}
else if (movementX < 0 && movement.DestinationHitBox.Left <= targetBlock.Right)
{ //set the player to the right side of the block
int actualMovement = movement.DestinationHitBox.Left - targetBlock.Right;
newPosition.X = newPosition.X - actualMovement + 1;
}
if (movementY > 0 && movement.DestinationHitBox.Bottom >= targetBlock.Top)
{ //set the player to the bottom side of the block
int actualMovement = movement.DestinationHitBox.Bottom - targetBlock.Top;
newPosition.Y = newPosition.Y - actualMovement - 1;
}
else if (movementY < 0 && movement.DestinationHitBox.Top <= targetBlock.Bottom)
{ //set the player to the top of the block.
int actualMovement = movement.DestinationHitBox.Top - targetBlock.Bottom;
newPosition.Y = newPosition.Y - actualMovement + 1;
}
break;
case CollisionTypes.Moveable:
//something else
break;
case CollisionTypes.PowerUp:
//something ellie
break;
case CollisionTypes.Empty:
default:
newPosition = movement.DestinationScreenPos;
break;
}
}
}
return newPosition;
}
private MoveObject CreateMoveObject(int playerNumber, int movementX, int movementY)
{
MoveObject movement = new MoveObject();
movement.OrigionalScreenPos = _players[playerNumber].Position;
movement.OrigionalHitBox = _players[playerNumber].GetBombermanGuyPositionedHitBox(_gameField.FieldScale);
movement.OriginalGamefieldPosition = _gameField.getPosistionOfRectInGrid(movement.OrigionalHitBox);
movement.DestinationScreenPos = new Vector2(movement.OrigionalScreenPos.X + movementX, movement.OrigionalScreenPos.Y + movementY);
movement.DestinationHitBox = new Rectangle(movement.OrigionalHitBox.X + movementX, movement.OrigionalHitBox.Y + movementY, movement.OrigionalHitBox.Width, movement.OrigionalHitBox.Height);
movement.DestinationGameFieldPosition = _gameField.getPosistionOfRectInGrid(movement.DestinationHitBox);
return movement;
}
private static Vector2 checkCollisionWithGameField(GameField gameField, BomberManGuy bomberManGuy, MoveObject movement)
{
Vector2 newPosition = movement.DestinationScreenPos;
float movementX = movement.DestinationScreenPos.X - movement.OrigionalScreenPos.X;
float movementY = movement.DestinationScreenPos.Y - movement.OrigionalScreenPos.Y;
foreach (Vector2 gamefieldPos in movement.DestinationGameFieldPosition)
{
foreach (GamefieldItem gamefieldItem in gameField.Gamefield[(int)gamefieldPos.X, (int)gamefieldPos.Y].Items)
{
switch (gamefieldItem.CollisionType)
{
case CollisionTypes.BlockBreakable:
case CollisionTypes.Block:
newPosition = BlockMovement(gameField, movement, movementY, movementX, gamefieldPos);
break;
case CollisionTypes.Bomb:
if (WasPlayerOnThisPointPreviously(gameField, gamefieldPos.X, gamefieldPos.Y, movement))
{
newPosition = UnRestrictedWalk(newPosition, movement);
}
else
{
newPosition = BlockMovement(gameField, movement, movementY, movementX, gamefieldPos);
}
break;
case CollisionTypes.PowerUp:
//something ellie
break;
case CollisionTypes.Explosion:
bomberManGuy.Dead = true;
break;
case CollisionTypes.Empty:
default:
newPosition = UnRestrictedWalk(movement.DestinationScreenPos, movement);
break;
}
}
}
return newPosition;
}
public bool wasPlayerOnThisPointPreviously(GameField gameField, float xPos, float yPos, MoveObject moveObject)
{
Vector2 topLeft = GetPosistionInGrid(new Vector2(moveObject.PreviousHitBox.Left, moveObject.PreviousHitBox.Top));
Vector2 topRight = GetPosistionInGrid(new Vector2(moveObject.PreviousHitBox.Right, moveObject.PreviousHitBox.Top));
Vector2 bottomLeft = GetPosistionInGrid(new Vector2(moveObject.PreviousHitBox.Left, moveObject.PreviousHitBox.Bottom));
Vector2 bottomRight = GetPosistionInGrid(new Vector2(moveObject.PreviousHitBox.Right, moveObject.PreviousHitBox.Bottom));
if (topLeft.X == xPos && topLeft.Y == yPos)
{
return true;
}
if (topRight.X == xPos && topRight.Y == yPos)
{
return true;
}
if (bottomLeft.X == xPos && bottomLeft.Y == yPos)
{
return true;
}
if (bottomRight.X == xPos && bottomRight.Y == yPos)
{
return true;
}
return false;
}
/// <summary>
/// Check if the player was at that point previus update, for when walking on and off a bomb
/// </summary>
/// <param name="gameField"></param>
/// <param name="xPos"> </param>
/// <param name="yPos"> </param>
/// <param name="moveObject"> </param>
/// <returns>true if the player was on that point previously. thus ignore the bomb</returns>
private static bool WasPlayerOnThisPointPreviously(GameField gameField, float xPos, float yPos, MoveObject moveObject)
{
return gameField.wasPlayerOnThisPointPreviously(gameField, xPos, yPos, moveObject);
}
private static Vector2 UnRestrictedWalk(Vector2 newPosition, MoveObject movement)
{
if (newPosition.X == movement.DestinationScreenPos.X && newPosition.Y == movement.DestinationScreenPos.Y)
newPosition = movement.DestinationScreenPos;
return newPosition;
}
