public static Vector2G GetCoord(Vector2G gridCoord, Vector3 position)
{
int cx = (int)Math.Floor(position.X / Size) - (gridCoord.X * WorldGrid.CellBreadth);
int cy = (int)Math.Floor(position.Z / Size) - (gridCoord.Y * WorldGrid.CellBreadth);
Debug.Assert(cx.InRange(-WorldGrid.CellBreadth, WorldGrid.CellBreadth) && cy.InRange(-WorldGrid.CellBreadth, WorldGrid.CellBreadth));
return(new Vector2G(cx, cy));
}
public WorldGrid(Vector2G coordinates)
{
gridCoordinates = coordinates;
for (int x = 0; x < CellBreadth; x++)
{
for (int y = 0; y < CellBreadth; y++)
{
cells.Add(new Vector2G(x, y), new WorldCell());
}
}
}
public void RelocateActor(Actor actor, Vector3 newPosition)
{
Vector2G curCellCoordinates = WorldCell.GetCoord(gridCoordinates, actor.Position.Offset);
Vector2G newCellCoordinates = WorldCell.GetCoord(gridCoordinates, newPosition);
if (curCellCoordinates != newCellCoordinates)
{
if (!cells.TryGetValue(curCellCoordinates, out WorldCell curCell))
{
return;
}
if (!cells.TryGetValue(newCellCoordinates, out WorldCell newCell))
{
return;
}
curCell.RemoveActor(actor);
newCell.AddActor(actor);
}
}