private bool CheckWalkable(int x, int y)
{
MapNode node = MapLogic.Instance.Nodes[x, y];
uint tile = node.Tile;
MapNodeFlags flags = node.Flags;
if ((!flags.HasFlag(MapNodeFlags.Unblocked) && (tile >= 0x1C0 && tile <= 0x2FF)) || // blocked by ground terrain
flags.HasFlag(MapNodeFlags.BlockedGround)) // or blocked explicitly
{
return(false); // not walkable
}
return(true); // walkable
}
// returns true if cell is walkable for this unit
public bool CheckWalkableForUnit(int x, int y, bool staticOnly)
{
if (x < 8 || x > MapLogic.Instance.Width - 8 ||
y < 8 || y > MapLogic.Instance.Height - 8)
{
return(false);
}
for (int ly = y; ly < y + Unit.Height; ly++)
{
for (int lx = x; lx < x + Unit.Width; lx++)
{
MapNode node = MapLogic.Instance.Nodes[lx, ly];
// skip cells currently taken
if (node.Objects.Contains(Unit))
{
continue; // if we are already on this cell, skip it as passible
}
uint tile = node.Tile;
MapNodeFlags flags = node.Flags;
if (Unit.IsWalking && !flags.HasFlag(MapNodeFlags.Unblocked) && flags.HasFlag(MapNodeFlags.BlockedTerrain))
{
return(false);
}
MapNodeFlags bAir = staticOnly ? MapNodeFlags.BlockedAir : MapNodeFlags.BlockedAir | MapNodeFlags.DynamicAir;
MapNodeFlags bGround = staticOnly ? MapNodeFlags.BlockedGround : MapNodeFlags.BlockedGround | MapNodeFlags.DynamicGround;
if (Unit.IsFlying && (flags & bAir) != 0)
{
return(false);
}
else if (!Unit.IsFlying && (flags & bGround) != 0)
{
return(false);
}
}
}
return(true);
}