/// <summary>
/// Merges the tile in the existing liquidbodies.
/// If there is no existing neighbors, then make a new liquidbody and add it to the list.
/// Note that this merge is not construction based but rather finalized.
/// </summary>
/// <param name="pos"></param>
/// <returns>True if successful.</returns>
private bool MergeTile(Vector3Int pos, float[] contents)
{
List <LiquidBody> neighborLiquidbodies = new List <LiquidBody>();
foreach (LiquidBody l in liquidBodies)
{
// return false if contains the position already
if (l.ContainsTile(pos))
{
Debug.LogError("Tile already exists in liquidbody!");
return(false);
}
else
{
if (l.NeighborsTile(pos))
{
neighborLiquidbodies.Add(l);
}
}
}
switch (neighborLiquidbodies.Count)
{
case 0:
// create a new liquidbody
LiquidBody newLiquidbody = new LiquidBody(pos, contents, GenerateBodyID());
// append it to the list
liquidBodies.Add(newLiquidbody);
break;
case 1:
// append to the existing liquidbody
neighborLiquidbodies[0].AddTile(pos, contents);
break;
default:
// merge the liquidbodies
LiquidBody mergedLiquidbody = new LiquidBody(neighborLiquidbodies, GenerateBodyID());
mergedLiquidbody.AddTile(pos, contents);
// remove the original liquidbodies
for (int i = 0; i < neighborLiquidbodies.Count; ++i)
{
liquidBodies.Remove(neighborLiquidbodies[i]);
}
// add the newly created body
liquidBodies.Add(mergedLiquidbody);
break;
}
Debug.Log("Liquidbody merge successful.");
return(true);
}
public bool RemoveLiquidContentsFromLiquidbodyAt(Vector3Int pos)
{
// check if the liquid actually exists
if (!CheckLiquidTileAlreadyExistsAt(pos))
{
Debug.LogError("Liquid does not exist at " + pos);
return(false);
}
// set up liquidbodies just in case
// this works because there should be no tile in two different liquidbodies
List <HashSet <Vector3Int> > dividedBodiesTiles = new List <HashSet <Vector3Int> >();
bool hasDivisions = false;
LiquidBody originalLiquidbody = new LiquidBody(new List <LiquidBody>());
// find the liquidbody with the tile and remove the tile
foreach (LiquidBody l in liquidBodies)
{
if (l.ContainsTile(pos))
{
originalLiquidbody = l;
hasDivisions = l.RemoveTile(pos, out dividedBodiesTiles);
}
}
// check if there are any tiles left, if so delete
if (originalLiquidbody.TileCount == 0)
{
liquidBodies.Remove(originalLiquidbody);
return(true);
}
// if there are divisions when removing the tile
if (hasDivisions)
{
// create and add each new liquidbody resulting from the divide
for (int i = 0; i < dividedBodiesTiles.Count; ++i)
{
LiquidBody newLiquidBody = new LiquidBody(dividedBodiesTiles[i], originalLiquidbody.contents, GenerateBodyID());
liquidBodies.Add(newLiquidBody);
}
liquidBodies.Remove(originalLiquidbody);
}
return(true);
}
public void AddLiquidBody(LiquidBody body)
{
liquidBodies.Add(body);
}
