/// <summary>
/// Returns the closest periodic coordinate of the input tile coordinate - Assumes coordinates are not further than 1 map size away from actual map
public override Vector3Int WrapTileCoordinate(Vector3Int position)
{
Vector2Int offsetPosition = HexConverter.TileCoordToOffsetTileCoord(position); //We need to use the upperBound parameter instead of using the mapsize Property because for edges we need mapsize.y*2
offsetPosition.x = (offsetPosition.x % mapSize.x);
if (offsetPosition.x < 0)
{
offsetPosition.x = mapSize.x + offsetPosition.x;
}
return(HexConverter.OffsetTileCoordToTileCoord(offsetPosition));
}
/// <summary>
/// returns indexed positions which form a rectangular shaped map with the specified width(x) and length(y).
/// Most common map shape for periodic maps
/// </summary>
/// <remarks>
/// 
/// </remarks>
public static Dictionary <Vector3Int, int> CreateRectangularShapedMap(Vector2Int mapSize)
{
Vector3IntEqualityComparer vector3IntEqualityComparer = new Vector3IntEqualityComparer();
Dictionary <Vector3Int, int> TileToIndexMap = new Dictionary <Vector3Int, int>(vector3IntEqualityComparer);
int idx = 0;
for (int y = 0; y < mapSize.y; y++)
{
for (int x = 0; x < mapSize.x; x++)
{
Vector3Int cubeTileCoord = HexConverter.OffsetTileCoordToTileCoord(new Vector2Int(x, y));
TileToIndexMap.Add(cubeTileCoord, idx);
idx++;
}
}
return(TileToIndexMap);
}
/// <summary>
/// returns indexed positions which form a equilateral triangular map with the specified side length
/// </summary>
/// <remarks>
/// 
/// </remarks>
public static Dictionary <Vector3Int, int> CreateTriangularShapedMap(int sideLength)
{
Vector3IntEqualityComparer vector3IntEqualityComparer = new Vector3IntEqualityComparer();
Dictionary <Vector3Int, int> TileToIndexMap = new Dictionary <Vector3Int, int>(vector3IntEqualityComparer);
int idx = 0;
for (int y = 0; y < sideLength; y++)
{
for (int x = y / 2; x < (sideLength - (y + 1) / 2); x++)
{
Vector3Int cubeTileCoord = HexConverter.OffsetTileCoordToTileCoord(new Vector2Int(x, y));
TileToIndexMap.Add(cubeTileCoord, idx);
idx++;
}
}
return(TileToIndexMap);
}
/// <summary>
/// returns the closest periodic edge position of the input edge position - Assumes coordinates are not further than 1 map size away from actual map
/// </summary>
public override Vector3Int WrapEdgeCoordinate(Vector3Int position)
{
Vector2Int offsetPosition = HexConverter.TileCoordToOffsetTileCoord(position);
offsetPosition.x = (offsetPosition.x % (mapSize.x * 2));
if (offsetPosition.x == (mapSize.x * 2) - 1)
{
offsetPosition.x = -1;
}
if (offsetPosition.x < -1)
{
offsetPosition.x = (mapSize.x * 2) + offsetPosition.x;
}
Vector3Int edgeCoord = HexConverter.OffsetTileCoordToTileCoord(offsetPosition);
return(edgeCoord);
}
/// <summary>
/// returns the closest periodic corner position of the input corner position - Assumes coordinates are not further than 1 map size away from actual map
/// </summary>
public override Vector3Int WrapCornerCoordinate(Vector3Int position)
{
//Debug.Log(mapSize.x);
Vector2Int offsetPosition = HexConverter.TileCoordToOffsetTileCoord(position);
Debug.Log(position);
//Debug.Log(-2 / 3);
offsetPosition.x = (offsetPosition.x % (mapSize.x * 3));
if ((offsetPosition.x == (mapSize.x * 3) - 2))
{
offsetPosition.x = -2;
}
if (offsetPosition.x < -2)
{
offsetPosition.x = (mapSize.x * 3) + offsetPosition.x;
}
Vector3Int cornerCoord = HexConverter.OffsetTileCoordToTileCoord(offsetPosition);
return(cornerCoord);
}
public override Vector3Int ShiftTargetToClosestPeriodicEdgePosition(Vector3Int origin, Vector3Int target)
{
Vector2Int originOffsetCoord = HexConverter.TileCoordToOffsetTileCoord(origin);
Vector2Int targetOffsetCoord = HexConverter.TileCoordToOffsetTileCoord(target);
int distance = Mathf.Abs(originOffsetCoord.x - targetOffsetCoord.x);
if (distance * 2 <= mapSize.x * 2)
{
return(target);
}
if (originOffsetCoord.x < targetOffsetCoord.x) //target is right of the origin so we shift it left!
{
targetOffsetCoord.x -= mapSize.x * 2;
}
else
{
targetOffsetCoord.x += mapSize.x * 2;
}
return(HexConverter.OffsetTileCoordToTileCoord(targetOffsetCoord));
}
/// <summary>
/// This returns the closest "virtual" position of target tile position on a wrapping map, intended to be used in distance calculations
/// TODO ADD BETTER EXPLANATION
/// </summary>
public override Vector3Int ShiftTargetToClosestPeriodicTilePosition(Vector3Int origin, Vector3Int target)
{
Vector2Int originOffsetCoord = HexConverter.TileCoordToOffsetTileCoord(origin);
Vector2Int targetOffsetCoord = HexConverter.TileCoordToOffsetTileCoord(target);
int distance = Mathf.Abs(originOffsetCoord.x - targetOffsetCoord.x);
if (distance * 2 <= mapSize.x)
{
return(target);
}
//now we check if the target is "right" or "left of the origin and shift its imaginary position to the opposite
if (originOffsetCoord.x < targetOffsetCoord.x) //target is right of the origin so we shift it left!
{
targetOffsetCoord.x -= mapSize.x;
}
else
{
targetOffsetCoord.x += mapSize.x; //target is left of the origin so we shift it right
}
return(HexConverter.OffsetTileCoordToTileCoord(targetOffsetCoord));
}
public override Vector3Int ShiftTargetToClosestPeriodicCornerPosition(Vector3Int origin, Vector3Int target)
{
Vector2Int originOffsetCoord = HexConverter.TileCoordToOffsetTileCoord(origin);
Vector2Int targetOffsetCoord = HexConverter.TileCoordToOffsetTileCoord(target);
int distance = Mathf.Abs(originOffsetCoord.x - targetOffsetCoord.x);
if (distance * 2 <= mapSize.x * 3)
{
return(target);
}
if (originOffsetCoord.x < targetOffsetCoord.x) //target is right of the origin so we shift it left!
{
targetOffsetCoord.x -= mapSize.x * 3;
}
else
{
targetOffsetCoord.x += mapSize.x * 3;
}
return(HexConverter.OffsetTileCoordToTileCoord(targetOffsetCoord));
//throw new System.NotImplementedException();
}
