public Zone(ZoneLayout layout)
{
Type = layout.Type;
Center = layout.Center;
Bounds = layout.Bounds;
Layout = layout;
_cell = layout.Cell;
}
public ZoneContent(ZoneLayout zone, ZoneRatio[,] influences, float[,] heightMap, Vector3[,] normalMap, BlockType[,] blocks, Vector3[] objects)
{
Zone = zone;
Influences = influences;
HeightMap = heightMap;
NormalMap = normalMap;
Blocks = blocks;
Objects = objects;
}
/// <summary>
/// Get all chunks of zone
/// </summary>
/// <returns></returns>
public IEnumerable<Vector2i> GetChunks(ZoneLayout zone)
{
var centerChunk = Chunk.GetPosition(zone.Center);
var result = new List<Vector2i>();
var processed = new List<Vector2i>();
GetChunksFloodFill(zone, centerChunk, processed, result);
return result;
}
protected ZoneGenerator(ZoneLayout zone, [NotNull] LandLayout land, [NotNull] ILandSettings landSettings)
{
if (land == null) throw new ArgumentNullException("land");
if (landSettings == null) throw new ArgumentNullException("landSettings");
_zone = zone;
Land = land;
_landSettings = landSettings;
_blocksCount = landSettings.BlocksCount;
_blockSize = landSettings.BlockSize;
_chunkSize = _blocksCount*_blockSize;
_zoneMaxType = landSettings.ZoneTypes.Max(z => z.Type);
DefaultBlock = landSettings.ZoneTypes.First(z => z.Type == zone.Type).DefaultBlock;
}
protected ZoneGenerator(ZoneLayout zone, [NotNull] LandLayout land, [NotNull] ILandSettings landSettings)
{
if (land == null)
{
throw new ArgumentNullException("land");
}
if (landSettings == null)
{
throw new ArgumentNullException("landSettings");
}
_zone = zone;
Land = land;
_landSettings = landSettings;
_blocksCount = landSettings.BlocksCount;
_blockSize = landSettings.BlockSize;
_chunkSize = _blocksCount * _blockSize;
_zoneMaxType = landSettings.ZoneTypes.Max(z => z.Type);
DefaultBlock = landSettings.ZoneTypes.First(z => z.Type == zone.Type).DefaultBlock;
}
protected LandLayout(ILandSettings settings)
{
Bounds = settings.LandBounds;
Settings = settings;
var points = GeneratePoints(settings.ZonesCount, Bounds, settings.ZonesDensity);
var cells = CellMeshGenerator.Generate(points, (Bounds) Bounds);
var zonesType = SetZoneTypes(cells, settings);
var zones = new ZoneLayout[points.Length];
for (int i = 0; i < zones.Length; i++)
zones[i] = new ZoneLayout(zonesType[i], cells[i]);
Zones = zones;
_idwCoeff = settings.IDWCoeff;
var zoneMaxType = (int)settings.ZoneTypes.Max(z => z.Type);
_influenceLookup = new float[zoneMaxType + 1];
_zoneTypesCount = zones.Where(z => z.Type != ZoneType.Empty).Distinct(ZoneLayout.TypeComparer).Count();
_zoneSettings = settings.ZoneTypes.ToArray();
}
public LakeGenerator(ZoneLayout zone, LandLayout land, ILandSettings landSettings) : base(zone, land, landSettings)
{
}
public HillsGenerator(ZoneLayout zone, LandLayout land, ILandSettings landSettings) : base(zone, land, landSettings)
{
}
public DefaultGenerator(ZoneLayout zone, LandLayout land, ILandSettings landSettings) : base(zone, land, landSettings)
{
}
public ConeGenerator(ZoneLayout zone, [NotNull] LandLayout land, [NotNull] ILandSettings landSettings) : base(zone, land, landSettings)
{
}
public ConeGenerator(ZoneLayout zone, [NotNull] LandLayout land, [NotNull] ILandSettings landSettings) : base(zone, land, landSettings)
{
}
public ZoneContent(ZoneLayout zone, ZoneRatio[,] influences, float[,] heightMap, Vector3[,] normalMap, BlockType[,] blocks, Vector3[] objects)
{
Zone = zone;
Influences = influences;
HeightMap = heightMap;
NormalMap = normalMap;
Blocks = blocks;
Objects = objects;
}
private void GetChunksFloodFill(ZoneLayout zone, Vector2i from, List<Vector2i> processed, List<Vector2i> result)
{
if (!processed.Contains(@from))
{
processed.Add(from);
if (CheckChunkConservative(from, zone))
{
result.Add(from);
GetChunksFloodFill(zone, from + Vector2i.Forward, processed, result);
GetChunksFloodFill(zone, from + Vector2i.Back, processed, result);
GetChunksFloodFill(zone, from + Vector2i.Left, processed, result);
GetChunksFloodFill(zone, from + Vector2i.Right, processed, result);
}
}
}
/// <summary>
/// Check chunk corners and zone vertices
/// </summary>
/// <param name="chunkPosition"></param>
/// <param name="zone"></param>
/// <returns></returns>
private bool CheckChunkConservative(Vector2i chunkPosition, ZoneLayout zone)
{
if (!zone.ChunkBounds.Contains(chunkPosition))
return false;
var chunkBounds = Chunk.GetBounds(chunkPosition);
var floatBounds = (Bounds)chunkBounds;
var chunkCorner1 = Convert(floatBounds.min);
var chunkCorner2 = new Vector2(floatBounds.min.x, floatBounds.max.z);
var chunkCorner3 = Convert(floatBounds.max);
var chunkCorner4 = new Vector2(floatBounds.max.x, floatBounds.min.z);
ZoneLayout zone1 = zone, zone2 = zone, zone3 = zone, zone4 = zone;
var distanceCorner1 = float.MaxValue;
var distanceCorner2 = float.MaxValue;
var distanceCorner3 = float.MaxValue;
var distanceCorner4 = float.MaxValue;
foreach (var z in Zones)
{
if (Vector2.SqrMagnitude(z.Center - chunkCorner1) < distanceCorner1)
{
zone1 = z;
distanceCorner1 = Vector2.SqrMagnitude(z.Center - chunkCorner1);
}
if (Vector2.SqrMagnitude(z.Center - chunkCorner2) < distanceCorner2)
{
zone2 = z;
distanceCorner2 = Vector2.SqrMagnitude(z.Center - chunkCorner2);
}
if (Vector2.SqrMagnitude(z.Center - chunkCorner3) < distanceCorner3)
{
zone3 = z;
distanceCorner3 = Vector2.SqrMagnitude(z.Center - chunkCorner3);
}
if (Vector2.SqrMagnitude(z.Center - chunkCorner4) < distanceCorner4)
{
zone4 = z;
distanceCorner4 = Vector2.SqrMagnitude(z.Center - chunkCorner4);
}
}
if (zone1 == zone || zone2 == zone || zone3 == zone || zone4 == zone)
return true;
//Check zone vertices in chunk
foreach (var vert in zone.Cell.Vertices)
if (floatBounds.Contains(Convert(vert)))
return true;
return false;
}
public MountainsGenerator(ZoneLayout zone, LandLayout land, ILandSettings landSettings) : base(zone, land, landSettings)
{
}
