public unsafe CubeGrid32x32x32UnsafePtr this[int x, int y, int z]
{
get
{
var i3 = new int3(x, y, z) + 1;
var yspan = this.wholeGridLength.x * this.wholeGridLength.z;
var zspan = this.wholeGridLength.x;
var i = i3.y * yspan + i3.z * zspan + i3.x;
var grid = this.grids[i];
if (!grid.p->IsFullOrEmpty)
{
return(grid);
}
if (grid.p == this.defaultFilledCubePtr.p | grid.p == this.defaultBlankCubePtr.p)
{
var newGrid = new CubeGrid32x32x32Unsafe(isFillAll: grid.p->IsFull);
this.gridStock.AddNoResize(newGrid); // アドレスを変化させてはいけないので、拡張してはいけない。
return(this.grids[i] = new CubeGrid32x32x32UnsafePtr
{
p = (CubeGrid32x32x32Unsafe *)this.gridStock.GetUnsafePtr() + (this.gridStock.Length - 1)
});
}
return(grid);
}
}
static public CubeGrid32x32x32Unsafe GetDefault(bool isFillAll)
{
//var align = UnsafeUtility.AlignOf<uint4>();
const int align = 16;
//const int size = sizeof( uint ) * 4;
const int size = sizeof(uint) * 1 * 32 * 32;
var grid = new CubeGrid32x32x32Unsafe();
grid.alloc_(size, align, isFillAll);
return(grid);
}
public CubeGridArrayUnsafe(int x, int y, int z) : this()
{
this.GridLength = new int3(x, y, z);
this.wholeGridLength = new int3(x, y, z) + 2;
this.gridStock = allocGridStock_(this.GridLength);
this.grids = allocGrids_(this.wholeGridLength);
makeDefaultGrids_(ref this);
var startGrid = new int3(-1, -1, -1);
var endGrid = wholeGridLength;
this.FillCubes(startGrid, endGrid, isFillAll: false);
return;
NativeArray <CubeGrid32x32x32UnsafePtr> allocGrids_(int3 wholeGridLength)
{
var totalLength = wholeGridLength.x * wholeGridLength.y * wholeGridLength.z;
return(new NativeArray <CubeGrid32x32x32UnsafePtr>(totalLength, Allocator.Persistent));
}
NativeList <CubeGrid32x32x32Unsafe> allocGridStock_(int3 gridLength)
{
var capacity = gridLength.x * gridLength.y * gridLength.z + 2;// +2 はデフォルト分
return(new NativeList <CubeGrid32x32x32Unsafe>(capacity, Allocator.Persistent));
}
void makeDefaultGrids_(ref CubeGridArrayUnsafe ga)
{
ga.gridStock.AddNoResize(CubeGrid32x32x32Unsafe.GetDefault(isFillAll: false));
ga.defaultBlankCubePtr = new CubeGrid32x32x32UnsafePtr
{
p = (CubeGrid32x32x32Unsafe *)ga.gridStock.GetUnsafePtr() + 0
};
ga.gridStock.AddNoResize(CubeGrid32x32x32Unsafe.GetDefault(isFillAll: true));
ga.defaultFilledCubePtr = new CubeGrid32x32x32UnsafePtr
{
p = (CubeGrid32x32x32Unsafe *)ga.gridStock.GetUnsafePtr() + 1
};
}
}