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Remove byte[] allocations for GasTileOverlaySystem.UpdateChunkTile (#12617)

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DrSmugleaf
2022-11-16 08:27:49 +01:00
committed by GitHub
parent 0350f635d1
commit f92f288047
4 changed files with 62 additions and 47 deletions
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64
Content.Server/Atmos/EntitySystems/GasTileOverlaySystem.cs
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@@ -1,3 +1,6 @@
using System.Linq;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;
using Content.Server.Atmos.Components;
using Content.Shared.Atmos;
using Content.Shared.Atmos.EntitySystems;
@@ -14,10 +17,6 @@ using Robust.Shared.Map;
using Robust.Shared.Threading;
using Robust.Shared.Timing;
using Robust.Shared.Utility;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;
using DependencyAttribute = Robust.Shared.IoC.DependencyAttribute;
// ReSharper disable once RedundantUsingDirective
@@ -26,13 +25,13 @@ namespace Content.Server.Atmos.EntitySystems
[UsedImplicitly]
internal sealed class GasTileOverlaySystem : SharedGasTileOverlaySystem
{
[Dependency] private readonly IGameTiming _gameTiming = default!;
[Dependency] private readonly IPlayerManager _playerManager = default!;
[Dependency] private readonly IMapManager _mapManager = default!;
[Dependency] private readonly IConfigurationManager _confMan = default!;
[Dependency] private readonly IParallelManager _parMan = default!;
[Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
[Dependency] private readonly ChunkingSystem _chunkingSys = default!;
[Robust.Shared.IoC.Dependency] private readonly IGameTiming _gameTiming = default!;
[Robust.Shared.IoC.Dependency] private readonly IPlayerManager _playerManager = default!;
[Robust.Shared.IoC.Dependency] private readonly IMapManager _mapManager = default!;
[Robust.Shared.IoC.Dependency] private readonly IConfigurationManager _confMan = default!;
[Robust.Shared.IoC.Dependency] private readonly IParallelManager _parMan = default!;
[Robust.Shared.IoC.Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
[Robust.Shared.IoC.Dependency] private readonly ChunkingSystem _chunkingSys = default!;
private readonly Dictionary<IPlayerSession, Dictionary<EntityUid, HashSet<Vector2i>>> _lastSentChunks = new();
@@ -120,40 +119,57 @@ namespace Content.Server.Atmos.EntitySystems
/// </summary>
private void UpdateChunkTile(GridAtmosphereComponent gridAtmosphere, GasOverlayChunk chunk, Vector2i index, GameTick curTick)
{
var oldData = chunk.GetData(index);
ref var oldData = ref chunk.GetData(index);
if (!gridAtmosphere.Tiles.TryGetValue(index, out var tile))
{
if (oldData == null)
if (oldData.Equals(default))
return;
chunk.LastUpdate = curTick;
chunk.SetData(index, null);
oldData = default;
return;
}
var opacity = new byte[VisibleGasId.Length];
GasOverlayData newData = new(tile!.Hotspot.State, opacity);
var changed = oldData.Equals(default) || oldData.FireState != tile.Hotspot.State;
if (oldData.Equals(default))
oldData = new GasOverlayData(tile.Hotspot.State, new byte[VisibleGasId.Length]);
if (tile.Air != null)
{
var i = 0;
foreach (var id in VisibleGasId)
for (var i = 0; i < VisibleGasId.Length; i++)
{
var id = VisibleGasId[i];
var gas = _atmosphereSystem.GetGas(id);
var moles = tile.Air.Moles[id];
ref var oldOpacity = ref oldData.Opacity[i];
if (moles >= gas.GasMolesVisible)
if (moles < gas.GasMolesVisible)
{
opacity[i] = (byte) (ContentHelpers.RoundToLevels(
MathHelper.Clamp01((moles - gas.GasMolesVisible) / (gas.GasMolesVisibleMax - gas.GasMolesVisible)) * 255, byte.MaxValue, _thresholds) * 255 / (_thresholds - 1));
if (oldOpacity != 0)
{
oldOpacity = 0;
changed = true;
}
continue;
}
i++;
var opacity = (byte) (ContentHelpers.RoundToLevels(
MathHelper.Clamp01((moles - gas.GasMolesVisible) /
(gas.GasMolesVisibleMax - gas.GasMolesVisible)) * 255, byte.MaxValue,
_thresholds) * 255 / (_thresholds - 1));
if (oldOpacity == opacity)
continue;
oldOpacity = opacity;
changed = true;
}
}
if (oldData != null && oldData.Value.Equals(newData))
if (!changed)
return;
chunk.SetData(index, newData);
chunk.LastUpdate = curTick;
}