/// <summary>
/// 检查是否有需要添加的Chunk
/// </summary>
/// <param name="hero_pos"></param>
private void UpdateAdd(Vector3 hero_pos)
{
foreach (var temp in chunk_map)
{
var ck = temp.Value;
if (hero_pos.x >= ck.box.xMin && hero_pos.x <= ck.box.xMax &&
hero_pos.z >= ck.box.yMin && hero_pos.z <= ck.box.yMax)
{
bool isLeft = hero_pos.x < ck.box_add.xMin;
bool isRight = hero_pos.x > ck.box_add.xMax;
bool isUp = hero_pos.z > ck.box_add.yMax;
bool isDown = hero_pos.z < ck.box_add.yMin;
if (isLeft && ck.Left == null)
{
AddChunk(ck.id_x - 1, ck.id_y);
}
if (isRight && ck.Right == null)
{
AddChunk(ck.id_x + 1, ck.id_y);
}
if (isUp && ck.Up == null)
{
AddChunk(ck.id_x, ck.id_y + 1);
}
if (isDown && ck.Down == null)
{
AddChunk(ck.id_x, ck.id_y - 1);
}
if (isLeft && isUp && ck.LeftUp == null)
{
AddChunk(ck.id_x - 1, ck.id_y + 1);
}
if (isLeft && isDown && ck.LeftDown == null)
{
AddChunk(ck.id_x - 1, ck.id_y - 1);
}
if (isRight && isUp && ck.RightUp == null)
{
AddChunk(ck.id_x + 1, ck.id_y + 1);
}
if (isRight && isDown && ck.RightDown == null)
{
AddChunk(ck.id_x + 1, ck.id_y - 1);
}
}
}
while (add_queue.Count > 0) //添加也不可以放到foreach循环中，否则会出错
{
var ck = add_queue.Dequeue();
HeightMapConfig lcfg = config;
lcfg.seed = config.seed + ck.id_x + ck.id_y;
//让粗糙度渐变，这个只是测试用，具体可根据实际情况确定
lcfg.H = config.H + ((Mathf.Sin(ck.id_x)) / 8) + ((Mathf.Cos(ck.id_y)) / 8);
Debug.Log("Current H:" + lcfg.H);
ck.GeneralData(lcfg, m_TotalMeshSegmentNum, m_MeshSegmentSize, MeshMat, MeshPieceSegment, MeshPieceNum); //此步需要访问相邻Chunk,当多个Chunk需要添加时，应当保证执行过此步的Chunk都已经存放到容器中了
m_thread_work.AddWork(ck);
}
}
/// <summary>
/// 生成高度图和预计算网格信息
/// </summary>
/// <param name="config"></param>
/// <param name="mesh_segment"></param>
/// <param name="mesh_segment_size"></param>
/// <param name="mat"></param>
/// <param name="mesh_piece_segment"></param>
/// <param name="mesh_piece_num"></param>
public void GeneralData(HeightMapConfig config, int mesh_segment, Vector2 mesh_segment_size, Material mat, int mesh_piece_segment, int mesh_piece_num)
{
m_heightmap_len = 1 << config.Iterations;
m_cfg = config;
mask = SurfaceMaskCreator.CreateMask(m_heightmap_len);
m_chunk_mat = new Material(mat);
m_chunk_mat.SetTexture("_Mask", mask);
m_mesh_segment = mesh_segment;
m_mesh_segment_size = mesh_segment_size;
m_mesh_piece_segment = mesh_piece_segment;
m_mesh_piece_num = mesh_piece_num;
}
public SquareRegion(int seed,
RegionGenConfig regionGenConfig,
HeightMapConfig heightMapConfig,
FastPerlinNoiseConfig noiseConfig
) : base(seed)
{
// ErosionConfig erosionConfig
this.regionGenConfig = regionGenConfig;
// compute required array dimensions
this.gridRadius = computeGridRadius();
noiseConfig.resolution = (int)(this.gridRadius * heightMapConfig.resolutionScale) + 1;
this.heightMap = new HeightMap(seed, heightMapConfig, noiseConfig); //erosionConfig);
this.tileSize = regionGenConfig.tileSize;
computeTileCenterCoords();
computeElevationParameters();
Debug.Log("Generated square region.");
}
