//given a direction (1234->NESW), can it move.
//this recurses inward by 1, cause you can push 1 zencritter, but it cant push a third
bool CanMove(int direction, int isPushed)
{
if (direction == 1)
{
if (board.ContainsTile(x, y + 2) && board.ContainsTile(x + 1, y + 2))
{ //needs to contain the tiles to begin with
if (!board.ContainsCritter(x - 1, y + 2) && !board.ContainsCritter(x + 1, y + 2))
{ //needs to not have diagonals occupied
if (!board.ContainsCritter(x, y + 2))
{ //if no critters in the way, lifes simple.
return(true);
}
else if (isPushed == 0)
{ //otherwise, if this is the first time we pushing
CharacterData d = board.GetCritter(x, y + 2);
if (d.touchID == -1 && d.CanMove(1, 1))
{ //if we're not touching the blocking critter AND it too can move
d.MoveUp(true);
d.UpdateVisuals();
d.ResetPendingPosition();
return(true); //gorgeous.
}
}
}
pendingY = y;
}
}
if (direction == 2)
{
if (board.ContainsTile(x + 2, y) && board.ContainsTile(x + 2, y + 1))
{
if (!board.ContainsCritter(x + 2, y - 1) && !board.ContainsCritter(x + 2, y + 1))
{
if (!board.ContainsCritter(x + 2, y))
{
return(true);
}
else if (isPushed == 0)
{
CharacterData d = board.GetCritter(x + 2, y);
if (d.touchID == -1 && d.CanMove(2, 1))
{
d.MoveRight(true);
d.UpdateVisuals();
d.ResetPendingPosition();
return(true);
}
}
}
pendingX = x;
}
}
if (direction == 3)
{
if (board.ContainsTile(x, y - 1) && board.ContainsTile(x + 1, y - 1))
{
if (!board.ContainsCritter(x - 1, y - 2) && !board.ContainsCritter(x + 1, y - 2))
{
if (!board.ContainsCritter(x, y - 2))
{
return(true);
}
else if (isPushed == 0)
{
CharacterData d = board.GetCritter(x, y - 2);
if (d.touchID == -1 && d.CanMove(3, 1))
{
d.MoveDown(true);
d.UpdateVisuals();
d.ResetPendingPosition();
return(true);
}
}
}
pendingY = y;
}
}
if (direction == 4)
{
if (board.ContainsTile(x - 1, y) && board.ContainsTile(x - 1, y + 1))
{
if (!board.ContainsCritter(x - 2, y - 1) && !board.ContainsCritter(x - 2, y + 1))
{
if (!board.ContainsCritter(x - 2, y))
{
return(true);
}
else if (isPushed == 0)
{
CharacterData d = board.GetCritter(x - 2, y);
if (d.touchID == -1 && d.CanMove(4, 1))
{
d.MoveLeft(true);
d.UpdateVisuals();
d.ResetPendingPosition();
return(true);
}
}
}
pendingX = x;
}
}
return(false);
}