/// <summary>
/// 添加一个岛屿进天空
/// </summary>
/// <param name="x">岛屿坐标X</param>
/// <param name="z">岛屿坐标Z</param>
/// <returns>岛屿指针</returns>
public Island addIsland(int x, int z)
{
//如果没有这个岛屿便添加
if (getIsland(x, z) == null)
{
//创建一个新的岛屿对象
Island island = new Island(this, x, z);
//加入数组
islands.Add(island);
//初始化岛屿（特别提示：千万别把Add跟这些调换，会拖慢运行速度我也不知道为什么QAQ)
island.buildClod();
island.createMesh();
//使岛屿排序变得有规律，加快查找速度
islands.Sort(delegate(Island a, Island b){
if (a.ix != b.ix)
{
return(a.ix.CompareTo(b.ix));
}
else
{
return(a.iz.CompareTo(b.iz));
}
});
return(island);
}
return(getIsland(x, z));
}
/// <summary>
/// 设置泥块
/// </summary>
/// <param name="newClod">新的泥块</param>
/// <param name="x">X</param>
/// <param name="y">Y</param>
/// <param name="z">Z</param>
/// <returns>是否可以设置</returns>
public bool setClod(Clod newClod, int x, int y, int z)
{
//计算岛屿和方块在岛屿的坐标
int ix = (x) >> 4;
int iz = (z) >> 4;
int cx = (x) & 15;
int cy = (y) & 127;
int cz = (z) & 15;
//获取岛屿指针
Island island = getIsland(ix, iz);
if (island != null)
{
//超出限制当然要踢出！当然这不可能！
if (cx < 0 || cx >= 16 || cy < 0 || cy >= 128 || cz < 0 || cz >= 16)
{
return(false);
}
//设置。。
island.clods[cx, cy, cz] = newClod;
//更新网格，貌似要删掉？
island.createMesh();
//更新岛屿网格
if (cx == 0)
{
getIsland(ix - 1, iz).createMesh();
}
else if (cx == 15)
{
getIsland(ix + 1, iz).createMesh();
}
if (cz == 0)
{
getIsland(ix, iz - 1).createMesh();
}
else if (cz == 15)
{
getIsland(ix, iz + 1).createMesh();
}
return(true);
}
return(false);
}
