public Hex GetHexInDirectionOf(Hex from, Hex to)
{
HexCoords closetCoords = null;
var minDistance = 99;
foreach (var direction in HexCoords.directions)
{
var dirCoords = from.coords + direction;
if (IsHexEmpty(dirCoords) && !IsHexLocked(dirCoords))
{
var newDistance = HexCoords.Distance(dirCoords, to.coords);
if (newDistance < minDistance)
{
minDistance = newDistance;
closetCoords = dirCoords;
}
}
}
if (!(closetCoords is null))
{
var offsetCoords = closetCoords.ToOffset();
return(grid[offsetCoords.y, offsetCoords.x]);
}
return(null);
}
public bool IsHexLocked(HexCoords coords)
{
var offset = coords.ToOffset();
if (!Contains(coords))
{
return(false);
}
return(grid[offset.y, offset.x].locked);
}
public Entity GetUnit(HexCoords coords)
{
var offset = coords.ToOffset();
if (!Contains(coords))
{
return(null);
}
return(grid[offset.y, offset.x].unit);
}
private void InitializeGrid(int height, int width)
{
grid = new Hex[height, width];
for (int r = 0; r < height; r++)
{
int r_offset = (int)MathF.Floor(r / 2);
for (int q = -r_offset; q < width - r_offset; q++)
{
var axialCoords = new HexCoords(q, r);
var offsetCoords = axialCoords.ToOffset();
var hex = new Hex(axialCoords);
grid[offsetCoords.y, offsetCoords.x] = hex;
}
}
}
public bool Contains(Entity entity, HexCoords coords)
{
var offset = coords.ToOffset();
if (!Contains(coords))
{
return(false);
}
if (grid[offset.y, offset.x].unit == entity)
{
return(true);
}
return(false);
}
public void AddUnit(Entity entity, HexCoords coords)
{
var offset = coords.ToOffset();
if (!Contains(coords))
{
return;
}
if (!IsHexEmpty(coords))
{
return;
}
grid[offset.y, offset.x].unit = entity;
}
public bool IsHexEmpty(HexCoords coords)
{
var offset = coords.ToOffset();
if (!Contains(coords))
{
return(false);
}
if (grid[offset.y, offset.x].unit is null)
{
return(true);
}
return(false);
}
public Entity RemoveUnit(HexCoords coords)
{
var offset = coords.ToOffset();
if (!Contains(coords))
{
return(null);
}
var entity = grid[offset.y, offset.x].unit;
if (!(entity is null))
{
grid[offset.y, offset.x].unit = null;
}
return(entity);
}
