void UpdateCursor(WorldChunk _chunk, WorldChunkSettings setting, WorldChunkZone zone, Coord coord, Coord lastCoordDirection)
{
this.countTest++;
if (coord.x < 0 || coord.y < 0 || coord.x >= setting.scaledSize || coord.y >= setting.scaledSize)
{
// Is out of chunk!
return;
}
// First already contains on the current zone (ex: [0;0] -> [0;1] -> [0;0] will append offen)
if (zone.coords.Contains(coord))
{
return;
}
// Test zone type (get the type based on heightMap)
WorldZoneTypes coordType = _chunk.chunkData.GetZoneType(coord, setting);
if (coordType != zone.type)
{
// It's not the same region (add it only one time)
if (!this.HasZone(coord) && !this.availableCoords.Contains(coord))
{
this.availableCoords.Add(coord);
}
return;
}
// It's a new on the same zone, add
zone.AddCoord(coord, setting);
// If the coord is on the free coord list (for future next list)
if (this.availableCoords.Contains(coord))
{
this.availableCoords.Remove(coord);
}
// Test all sides (but avoid returning on same than previous)
if (lastCoordDirection != Coord.Top)
{
UpdateCursor(_chunk, setting, zone, coord.GetDirection(Direction.Top), Coord.Bottom);
}
if (lastCoordDirection != Coord.Bottom)
{
UpdateCursor(_chunk, setting, zone, coord.GetDirection(Direction.Bottom), Coord.Top);
}
if (lastCoordDirection != Coord.Left)
{
UpdateCursor(_chunk, setting, zone, coord.GetDirection(Direction.Left), Coord.Right);
}
if (lastCoordDirection != Coord.Right)
{
UpdateCursor(_chunk, setting, zone, coord.GetDirection(Direction.Right), Coord.Left);
}
return;
}
void FindNewZone(WorldChunk _chunk, WorldChunkSettings setting)
{
// Coord found
if (availableCoords.Count > 0)
{
Coord firstNotInZone = availableCoords [0];
// Create a new zone based on this coord
WorldChunkZone zone = new WorldChunkZone(_chunk.chunkData.GetZoneType(firstNotInZone, setting));
this.zones.Add(zone);
this.UpdateCursor(_chunk, setting, zone, firstNotInZone, new Coord(0, 0));
// Zone computed, check for next
this.FindNewZone(_chunk, setting);
}
}
