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optimization mask building

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This commit is contained in:
Mikhail 2024-01-07 20:44:11 +08:00
parent e9cdfbfb51
commit 41391e7038
1 changed files with 32 additions and 19 deletions
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49
src/EcsMask.cs
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@ -4,6 +4,7 @@ using System.Collections.Generic;
using System.Diagnostics; using System.Diagnostics;
using System.Linq; using System.Linq;
using System.Runtime.CompilerServices; using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace DCFApixels.DragonECS namespace DCFApixels.DragonECS
{ {
@ -46,26 +47,38 @@ namespace DCFApixels.DragonECS
this.exc = exc; this.exc = exc;
this.worldID = worldID; this.worldID = worldID;
//TODO пересесть с дикта на подсчет в цикле. incChunckMasks = MakeMaskChuncsArray(inc);
Dictionary<int, int> r = new Dictionary<int, int>(); excChunckMasks = MakeMaskChuncsArray(exc);
foreach (var cmpID in inc)
{
var bit = EcsMaskChunck.FromID(cmpID);
if (!r.TryAdd(bit.chankIndex, bit.mask))
r[bit.chankIndex] = r[bit.chankIndex] | bit.mask;
} }
EcsMaskChunck[] incMasks = r.Select(o => new EcsMaskChunck(o.Key, o.Value)).ToArray();
r.Clear();
foreach (var cmpID in exc)
{
var bit = EcsMaskChunck.FromID(cmpID);
if (!r.TryAdd(bit.chankIndex, bit.mask))
r[bit.chankIndex] = r[bit.chankIndex] | bit.mask;
}
EcsMaskChunck[] excMasks = r.Select(o => new EcsMaskChunck(o.Key, o.Value)).ToArray();
incChunckMasks = incMasks; private unsafe EcsMaskChunck[] MakeMaskChuncsArray(int[] sortedArray)
excChunckMasks = excMasks; {
EcsMaskChunck* buffer = stackalloc EcsMaskChunck[sortedArray.Length];
int resultLength = 0;
for (int i = 0; i < sortedArray.Length;)
{
int chankIndexX = sortedArray[i] >> EcsMaskChunck.DIV_SHIFT;
int maskX = 0;
do
{
EcsMaskChunck bitJ = EcsMaskChunck.FromID(sortedArray[i]);
if (bitJ.chankIndex != chankIndexX)
{
break;
}
maskX |= bitJ.mask;
i++;
} while (i < sortedArray.Length);
buffer[resultLength++] = new EcsMaskChunck(chankIndexX, maskX);
}
EcsMaskChunck[] result = new EcsMaskChunck[resultLength];
for (int i = 0; i < resultLength; i++)
{
result[i] = buffer[i];
}
return result;
} }
#region Object #region Object