private void Propagate(TileManager tileManager, Tile tile, TilePosition pos, int level)
{
TilePosition posBelow = pos + new TilePosition(0, -1, 0);
bool belowIsSameLiquid = tileManager.IsValidTile(posBelow) && tileManager.GetTileType(posBelow) == tile.tileType;
if (tileManager.IsValidTile(posBelow) && (tileManager.GetTileType(posBelow) == TileDefinition.EMPTY_TILE_TYPE) || belowIsSameLiquid)
{
if (belowIsSameLiquid == false)
{
tileManager.SetTileType(posBelow, tile.tileType);
tileManager.SetTileExtraData(posBelow, 1);
}
}
else
{
if (level < maxLevel)
{
TilePosition[] nearDirection = new TilePosition[4];
int[] nearDistance = new int[] { maxLevel, maxLevel, maxLevel, maxLevel };
FindFall(new TilePosition(1, 0, 0), tileManager, tile, pos, ref nearDirection[0], ref nearDistance[0]);
FindFall(new TilePosition(-1, 0, 0), tileManager, tile, pos, ref nearDirection[1], ref nearDistance[1]);
FindFall(new TilePosition(0, 0, 1), tileManager, tile, pos, ref nearDirection[2], ref nearDistance[2]);
FindFall(new TilePosition(0, 0, -1), tileManager, tile, pos, ref nearDirection[3], ref nearDistance[3]);
int minNearDistance = Math.Min(Math.Min(Math.Min(nearDistance[0], nearDistance[1]), nearDistance[2]), nearDistance[3]);
if (minNearDistance != maxLevel)
{
for (int i = 0; i < 4; i++)
{
if (nearDistance[i] == minNearDistance)
{
TilePosition posNear = pos + nearDirection[i];
if (tileManager.IsValidTile(posNear) && tileManager.GetTileType(posNear) == TileDefinition.EMPTY_TILE_TYPE)
{
TilePosition posNearBelow = posNear + new TilePosition(0, -1, 0);
bool nearBelowIsSameLiquid = tileManager.IsValidTile(posNearBelow) && tileManager.GetTileType(posNearBelow) == tile.tileType;
if (nearBelowIsSameLiquid == false || belowIsSameLiquid == false)
{
tileManager.SetTileType(posNear, tile.tileType);
tileManager.SetTileExtraData(posNear, (byte)(level + 1));
}
}
}
}
}
else
{
foreach (TilePosition deltaPos in Manhattan.GetTilesAtDistance(1))
{
if (deltaPos.y == 0)
{
TilePosition posNear = pos + deltaPos;
if (tileManager.IsValidTile(posNear) && tileManager.GetTileType(posNear) == TileDefinition.EMPTY_TILE_TYPE)
{
TilePosition posNearBelow = posNear + new TilePosition(0, -1, 0);
bool nearBelowIsSameLiquid = tileManager.IsValidTile(posNearBelow) && tileManager.GetTileType(posNearBelow) == tile.tileType;
if (nearBelowIsSameLiquid == false || belowIsSameLiquid == false)
{
tileManager.SetTileType(posNear, tile.tileType);
tileManager.SetTileExtraData(posNear, (byte)(level + 1));
}
}
}
}
}
}
}
}
private int UpdateTileLevel(TileManager tileManager, Tile tile, TilePosition pos, int level)
{
TilePosition posAbove = pos + new TilePosition(0, 1, 0);
bool aboveIsSameLiquid = tileManager.IsValidTile(posAbove) && tileManager.GetTileType(posAbove) == tile.tileType;
int nearLowestLevel = int.MaxValue;
if (aboveIsSameLiquid == false)
{
nearLowestLevel = GetLowerLevel(new TilePosition(1, 0, 0), tileManager, tile, pos, nearLowestLevel);
nearLowestLevel = GetLowerLevel(new TilePosition(-1, 0, 0), tileManager, tile, pos, nearLowestLevel);
nearLowestLevel = GetLowerLevel(new TilePosition(0, 0, 1), tileManager, tile, pos, nearLowestLevel);
nearLowestLevel = GetLowerLevel(new TilePosition(0, 0, -1), tileManager, tile, pos, nearLowestLevel);
}
else
{
nearLowestLevel = 0;
}
if (nearLowestLevel != int.MaxValue)
{
if (nearLowestLevel + 1 != level)
{
if (nearLowestLevel + 1 > level)
{
level++;
tileManager.SetTileExtraData(pos, (byte)level);
}
else
{
if (level > 1)
{
level--;
tileManager.SetTileExtraData(pos, (byte)level);
}
}
}
}
else
{
level = maxLevel + 1;
}
return level;
}
