/// <summary>
/// 为每个面重新设置坐标uv偏移
/// </summary>
/// <param name="Pos"></param>
/// <param name="materialNumber"></param>
/// <returns></returns>
IEnumerator ReSetMaterialIEnumerator(int Pos, int materialNumber, string textureNumber)
{
byte byteForMaterial = (byte)materialNumber;
Block block = BlockList.GetBlock(byteForMaterial, textureNumber);
Block block2 = BlockList2.GetBlock(byteForMaterial);
uv[Pos * 4] = new Vector2(block.textureLeftX * textureOffset, block.textureLeftY * textureOffset) + new Vector2(shrinkSize, shrinkSize);
uv[Pos * 4 + 1] = new Vector2(block.textureLeftX * textureOffset + textureOffset, block.textureLeftY * textureOffset) + new Vector2(-shrinkSize, shrinkSize);
uv[Pos * 4 + 2] = new Vector2(block.textureLeftX * textureOffset + textureOffset, block.textureLeftY * textureOffset + textureOffset) + new Vector2(-shrinkSize, -shrinkSize);
uv[Pos * 4 + 3] = new Vector2(block.textureLeftX * textureOffset, block.textureLeftY * textureOffset + textureOffset) + new Vector2(shrinkSize, -shrinkSize);
uv2[Pos * 4] = new Vector2(block2.textureLeftX * textureOffset, block2.textureLeftY * textureOffset) + new Vector2(shrinkSize, shrinkSize);
uv2[Pos * 4 + 1] = new Vector2(block2.textureLeftX * textureOffset + textureOffset, block2.textureLeftY * textureOffset) + new Vector2(-shrinkSize, shrinkSize);
uv2[Pos * 4 + 2] = new Vector2(block2.textureLeftX * textureOffset + textureOffset, block2.textureLeftY * textureOffset + textureOffset) + new Vector2(-shrinkSize, -shrinkSize);
uv2[Pos * 4 + 3] = new Vector2(block2.textureLeftX * textureOffset, block2.textureLeftY * textureOffset + textureOffset) + new Vector2(shrinkSize, -shrinkSize);
yield return(null);
isWorking = false;
}
/// <summary>
/// 生成Chunk所需要的所有面
/// </summary>
/// <returns></returns>
IEnumerator CreateMesh()
{
vertices.Clear();
triangles.Clear();
//把所有面的点和面的索引添加进去
for (int z = 0; z < width; z++)
{
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
///所有面的第几个面(从下往上从左往右根据行排序)
int meshNumberForLine = (Mathf.FloorToInt(number / Map.instance.chunkLineNumber) * Map.instance.ChunkWidth + z) * Map.instance.MapLength + number % Map.instance.chunkLineNumber * Map.instance.ChunkWidth + x;
byte tempByte = (byte)Map.instance.textureMap[meshNumberForLine];
char[] tempChar = new char[8];
if (meshNumberForLine + Map.instance.MapLength - 1 < Map.instance.textureMap.Length && Map.instance.textureMap[meshNumberForLine + Map.instance.ChunkWidth * Map.instance.chunkLineNumber - 1] == tempByte)
{
tempChar[7] = '1';
}
else
{
tempChar[7] = '0';
}
if (meshNumberForLine + Map.instance.MapLength < Map.instance.textureMap.Length && Map.instance.textureMap[meshNumberForLine + Map.instance.MapLength] == tempByte)
{
tempChar[6] = '1';
}
else
{
tempChar[6] = '0';
}
if (meshNumberForLine + Map.instance.MapLength + 1 < Map.instance.textureMap.Length && Map.instance.textureMap[meshNumberForLine + Map.instance.MapLength + 1] == tempByte)
{
tempChar[5] = '1';
}
else
{
tempChar[5] = '0';
}
if (meshNumberForLine - 1 >= 0 && Map.instance.textureMap[meshNumberForLine - 1] == tempByte)
{
tempChar[4] = '1';
}
else
{
tempChar[4] = '0';
}
if (meshNumberForLine + 1 < Map.instance.textureMap.Length && Map.instance.textureMap[meshNumberForLine + 1] == tempByte)
{
tempChar[3] = '1';
}
else
{
tempChar[3] = '0';
}
if (meshNumberForLine - Map.instance.MapLength - 1 >= 0 && Map.instance.textureMap[meshNumberForLine - Map.instance.MapLength - 1] == tempByte)
{
tempChar[2] = '1';
}
else
{
tempChar[2] = '0';
}
if (meshNumberForLine - Map.instance.MapLength >= 0 && Map.instance.textureMap[meshNumberForLine - Map.instance.MapLength] == tempByte)
{
tempChar[1] = '1';
}
else
{
tempChar[1] = '0';
}
if (meshNumberForLine - Map.instance.MapLength + 1 >= 0 && Map.instance.textureMap[meshNumberForLine - Map.instance.MapLength + 1] == tempByte)
{
tempChar[0] = '1';
}
else
{
tempChar[0] = '0';
}
//获取当前坐标的Block对象
Block block = BlockList.GetBlock(tempByte, new string(tempChar));
Block block2 = BlockList2.GetBlock(tempByte);
if (block == null)
{
continue;
}
AddTopFace(x, y, z, block, block2);
}
}
}
//为点和index赋值
mesh.vertices = vertices.ToArray();
mesh.triangles = triangles.ToArray();
mesh.uv4 = uv.ToArray();
mesh.uv = uv2.ToArray();
//重新计算顶点和法线
mesh.RecalculateBounds();
mesh.RecalculateNormals();
//将生成好的面赋值给组件
GetComponent <MeshFilter>().mesh = mesh;
GetComponent <MeshCollider>().sharedMesh = mesh;
yield return(null);
isWorking = false;
}