/// <summary>
/// Enumerators the load world.
/// </summary>
/// <returns>The load world.</returns>
/// <param name="center">Center.</param>
/// <param name="radius">Radius.</param>
/// <param name="complate">Complate.</param>
IEnumerator OnLoadWorld(System.Action <XVec2I> complate)
{
generator.InitGenerate();
generator.UpdateTerrain(center.position, radius);
do
{
var exists = generator.IsTerrainAvailable(center.position);
if (exists)
{
CanActivateCharacter = true;
}
yield return(null);
} while (!CanActivateCharacter);
centerChunkPosition = generator.GetChunkPosition(center.position);
center.position = new Vector3(center.position.x,
generator.GetTerrainHeight(center.position) + 0.5f, center.position.z);
center.gameObject.SetActive(true);
if (complate != null)
{
complate(centerChunkPosition);
}
}
/// <summary>
/// Gets the generated chunk.
/// </summary>
/// <returns>The generated chunk.</returns>
/// <param name="chunkPosition">Chunk position.</param>
public XTerrainChunk GetGeneratedChunk(XVec2I chunkPosition)
{
if (LoadedChunks.ContainsKey(chunkPosition))
{
return(LoadedChunks[chunkPosition]);
}
return(null);
}
/// <summary>
/// Chunks the can be removed.
/// </summary>
/// <returns><c>true</c>, if can be removed was chunked, <c>false</c> otherwise.</returns>
/// <param name="x">The x coordinate.</param>
/// <param name="z">The z coordinate.</param>
public bool ChunkCanBeRemoved(int x, int z)
{
var key = new XVec2I(x, z);
return
(RequestedChunks.ContainsKey(key) ||
ChunksBeingGenerated.ContainsKey(key) ||
LoadedChunks.ContainsKey(key));
}
/// <summary>
/// Initializes a new instance of the <see cref="XTerrainChunk"/> class.
/// </summary>
/// <param name="setting">Setting.</param>
/// <param name="noise">Noise.</param>
/// <param name="x">The x coordinate.</param>
/// <param name="z">The z coordinate.</param>
public XTerrainChunk(XTerrainChunkSetting setting, XNoise noise, int x, int z)
{
HeightmapThread = new object();
Setting = setting;
NoiseProvider = noise;
Neighborhood = new XChunkNeighborhood();
Position = new XVec2I(x, z);
TreePoint = new List <Vector3>();
ChopPoint = new List <Vector3>();
}
/// <summary>
/// Gets the height of the terrain.
/// </summary>
/// <returns>The terrain height.</returns>
/// <param name="worldPosition">World position.</param>
public float GetTerrainHeight(Vector3 worldPosition)
{
XVec2I chunkPosition = GetChunkPosition(worldPosition);
XTerrainChunk chunk = Cache.GetGeneratedChunk(chunkPosition);
if (chunkPosition != null)
{
return(chunk.GetTerrainHeight(worldPosition));
}
return(0);
}
/// <summary>
/// Update this instance.
/// </summary>
void Update()
{
if (CanActivateCharacter && center.gameObject.activeSelf)
{
XVec2I curChunkPosition = generator.GetChunkPosition(center.position);
if (!curChunkPosition.Equals(centerChunkPosition))
{
generator.UpdateTerrain(center.position, radius);
centerChunkPosition = curChunkPosition;
}
}
}
/// <summary>
/// Gets the chunk positions in radius.
/// </summary>
/// <returns>The chunk positions in radius.</returns>
/// <param name="chunkPosition">Chunk position.</param>
/// <param name="radius">Radius.</param>
private List <XVec2I> GetChunkPositionsInRadius(XVec2I chunkPosition, int radius)
{
var result = new List <XVec2I>();
for (var zCircle = -radius; zCircle < radius; zCircle++)
{
for (var xCircle = -radius; xCircle < radius; xCircle++)
{
if (xCircle * xCircle + zCircle * zCircle < radius * radius)
{
result.Add(new XVec2I(chunkPosition.X + xCircle, chunkPosition.Z + zCircle));
}
}
}
return(result);
}
/// <summary>
/// Updates the terrain.
/// </summary>
/// <param name="worldPosition">World position.</param>
/// <param name="radius">Radius.</param>
public void UpdateTerrain(Vector3 worldPosition, int radius)
{
var chunkPosition = GetChunkPosition(worldPosition);
var newPositions = GetChunkPositionsInRadius(chunkPosition, radius);
var loadedChunks = Cache.GetGeneratedChunks();
var chunksRemove = loadedChunks.Except(newPositions).ToList();
var possGenerate = newPositions.Except(chunksRemove).ToList();
for (int i = 0; i < possGenerate.Count; i++)
{
XVec2I v = possGenerate [i];
GenerateChunk(v.X, v.Z);
}
for (int i = 0; i < chunksRemove.Count; i++)
{
XVec2I v = chunksRemove [i];
RemoveChunk(v.X, v.Z);
}
}
/// <summary>
/// Determines whether this instance is chunk generated the specified chunkPosition.
/// </summary>
/// <returns><c>true</c> if this instance is chunk generated the specified chunkPosition; otherwise, <c>false</c>.</returns>
/// <param name="chunkPosition">Chunk position.</param>
public bool IsChunkGenerated(XVec2I chunkPosition)
{
return(GetGeneratedChunk(chunkPosition) != null);
}
/// <summary>
///
/// </summary>
/// <param name="worldPosition"></param>
/// <returns></returns>
public XTerrainChunk GetTerrainChunk(Vector3 worldPosition)
{
XVec2I chunkPosition = GetChunkPosition(worldPosition);
return(Cache.GetGeneratedChunk(chunkPosition));
}
/// <summary>
/// Determines whether this instance is terrain available the specified worldPosition.
/// </summary>
/// <returns><c>true</c> if this instance is terrain available the specified worldPosition; otherwise, <c>false</c>.</returns>
/// <param name="worldPosition">World position.</param>
public bool IsTerrainAvailable(Vector3 worldPosition)
{
XVec2I chunkPosition = GetChunkPosition(worldPosition);
return(Cache.IsChunkGenerated(chunkPosition));
}
/// <summary>
/// Determines whether the specified <see cref="System.Object"/> is equal to the current <see cref="Vec2I"/>.
/// </summary>
/// <param name="obj">The <see cref="System.Object"/> to compare with the current <see cref="Vec2I"/>.</param>
/// <returns><c>true</c> if the specified <see cref="System.Object"/> is equal to the current <see cref="Vec2I"/>; otherwise, <c>false</c>.</returns>
public override bool Equals(object obj)
{
XVec2I other = obj as XVec2I;
return(this.X == other.X && this.Z == other.Z);
}
