344 lines
14 KiB
C#
344 lines
14 KiB
C#
using Content.Server.Atmos.Components;
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using Content.Shared.Atmos;
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using Content.Shared.Atmos.Components;
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using Robust.Shared.Map.Components;
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using Robust.Shared.Utility;
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namespace Content.Server.Atmos.EntitySystems
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{
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public sealed partial class AtmosphereSystem
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{
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private void ProcessCell(
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Entity<GridAtmosphereComponent, GasTileOverlayComponent, MapGridComponent, TransformComponent> ent,
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TileAtmosphere tile, int fireCount)
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{
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var gridAtmosphere = ent.Comp1;
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// Can't process a tile without air
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if (tile.Air == null)
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{
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RemoveActiveTile(gridAtmosphere, tile);
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return;
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}
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if (tile.ArchivedCycle < fireCount)
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Archive(tile, fireCount);
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tile.CurrentCycle = fireCount;
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var adjacentTileLength = 0;
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for (var i = 0; i < Atmospherics.Directions; i++)
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{
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var direction = (AtmosDirection) (1 << i);
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if(tile.AdjacentBits.IsFlagSet(direction))
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adjacentTileLength++;
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}
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for(var i = 0; i < Atmospherics.Directions; i++)
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{
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var direction = (AtmosDirection) (1 << i);
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if (!tile.AdjacentBits.IsFlagSet(direction)) continue;
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var enemyTile = tile.AdjacentTiles[i];
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// If the tile is null or has no air, we don't do anything for it.
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if(enemyTile?.Air == null) continue;
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if (fireCount <= enemyTile.CurrentCycle) continue;
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Archive(enemyTile, fireCount);
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var shouldShareAir = false;
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if (ExcitedGroups && tile.ExcitedGroup != null && enemyTile.ExcitedGroup != null)
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{
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if (tile.ExcitedGroup != enemyTile.ExcitedGroup)
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{
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ExcitedGroupMerge(gridAtmosphere, tile.ExcitedGroup, enemyTile.ExcitedGroup);
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}
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shouldShareAir = true;
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} else if (CompareExchange(tile, enemyTile) != GasCompareResult.NoExchange)
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{
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AddActiveTile(gridAtmosphere, enemyTile);
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if (ExcitedGroups)
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{
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var excitedGroup = tile.ExcitedGroup;
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excitedGroup ??= enemyTile.ExcitedGroup;
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if (excitedGroup == null)
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{
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excitedGroup = new ExcitedGroup();
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gridAtmosphere.ExcitedGroups.Add(excitedGroup);
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}
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if (tile.ExcitedGroup == null)
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ExcitedGroupAddTile(excitedGroup, tile);
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if(enemyTile.ExcitedGroup == null)
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ExcitedGroupAddTile(excitedGroup, enemyTile);
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}
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shouldShareAir = true;
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}
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if (shouldShareAir)
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{
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var difference = Share(tile, enemyTile, adjacentTileLength);
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// Monstermos already handles this, so let's not handle it ourselves.
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if (!MonstermosEqualization)
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{
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if (difference >= 0)
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{
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ConsiderPressureDifference(gridAtmosphere, tile, direction, difference);
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}
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else
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{
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ConsiderPressureDifference(gridAtmosphere, enemyTile, i.ToOppositeDir(), -difference);
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}
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}
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LastShareCheck(tile);
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}
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}
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if(tile.Air != null)
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React(tile.Air, tile);
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InvalidateVisuals(ent, tile);
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var remove = true;
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if(tile.Air!.Temperature > Atmospherics.MinimumTemperatureStartSuperConduction)
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if (ConsiderSuperconductivity(gridAtmosphere, tile, true))
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remove = false;
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if(ExcitedGroups && tile.ExcitedGroup == null && remove)
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RemoveActiveTile(gridAtmosphere, tile);
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}
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private void Archive(TileAtmosphere tile, int fireCount)
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{
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if (tile.Air != null)
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tile.AirArchived = new GasMixture(tile.Air);
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tile.ArchivedCycle = fireCount;
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}
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private void LastShareCheck(TileAtmosphere tile)
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{
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if (tile.Air == null || tile.ExcitedGroup == null)
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return;
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switch (tile.LastShare)
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{
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// Refresh this tile's suspension cooldown if it had significant sharing.
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case > Atmospherics.MinimumAirToSuspend:
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ExcitedGroupResetCooldowns(tile.ExcitedGroup);
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break;
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// If this tile moved a very small amount of air, but not enough to matter,
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// we set the dismantle cooldown to 0.
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// This dissolves the group without performing an equalization as we expect
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// the group to be mostly equalized already if we're moving around miniscule
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// amounts of air.
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case > Atmospherics.MinimumMolesDeltaToMove:
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tile.ExcitedGroup.DismantleCooldown = 0;
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break;
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}
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}
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/// <summary>
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/// Makes a tile become active and start processing. Does NOT check if the tile belongs to the grid atmos.
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/// </summary>
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/// <param name="gridAtmosphere">Grid Atmosphere where to get the tile.</param>
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/// <param name="tile">Tile Atmosphere to be activated.</param>
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private void AddActiveTile(GridAtmosphereComponent gridAtmosphere, TileAtmosphere tile)
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{
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if (tile.Air == null || tile.Excited)
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return;
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tile.Excited = true;
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gridAtmosphere.ActiveTiles.Add(tile);
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}
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/// <summary>
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/// Makes a tile become inactive and stop processing.
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/// </summary>
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/// <param name="gridAtmosphere">Grid Atmosphere where to get the tile.</param>
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/// <param name="tile">Tile Atmosphere to be deactivated.</param>
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/// <param name="disposeExcitedGroup">Whether to dispose of the tile's <see cref="ExcitedGroup"/></param>
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private void RemoveActiveTile(GridAtmosphereComponent gridAtmosphere, TileAtmosphere tile, bool disposeExcitedGroup = true)
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{
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DebugTools.Assert(tile.Excited == gridAtmosphere.ActiveTiles.Contains(tile));
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DebugTools.Assert(tile.Excited || tile.ExcitedGroup == null);
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if (!tile.Excited)
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return;
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tile.Excited = false;
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gridAtmosphere.ActiveTiles.Remove(tile);
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if (tile.ExcitedGroup == null)
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return;
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if (disposeExcitedGroup)
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ExcitedGroupDispose(gridAtmosphere, tile.ExcitedGroup);
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else
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ExcitedGroupRemoveTile(tile.ExcitedGroup, tile);
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}
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/// <summary>
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/// Calculates the heat capacity for a gas mixture, using the archived values.
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/// </summary>
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public float GetHeatCapacityArchived(TileAtmosphere tile)
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{
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if (tile.AirArchived == null)
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return tile.HeatCapacity;
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return GetHeatCapacity(tile.AirArchived);
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}
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/// <summary>
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/// Shares gas between two tiles. Part of LINDA.
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/// </summary>
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public float Share(TileAtmosphere tileReceiver, TileAtmosphere tileSharer, int atmosAdjacentTurfs)
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{
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if (tileReceiver.Air is not {} receiver || tileSharer.Air is not {} sharer ||
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tileReceiver.AirArchived == null || tileSharer.AirArchived == null)
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return 0f;
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var temperatureDelta = tileReceiver.AirArchived.Temperature - tileSharer.AirArchived.Temperature;
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var absTemperatureDelta = Math.Abs(temperatureDelta);
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var oldHeatCapacity = 0f;
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var oldSharerHeatCapacity = 0f;
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if (absTemperatureDelta > Atmospherics.MinimumTemperatureDeltaToConsider)
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{
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oldHeatCapacity = GetHeatCapacity(receiver);
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oldSharerHeatCapacity = GetHeatCapacity(sharer);
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}
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var heatCapacityToSharer = 0f;
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var heatCapacitySharerToThis = 0f;
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var movedMoles = 0f;
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var absMovedMoles = 0f;
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for(var i = 0; i < Atmospherics.TotalNumberOfGases; i++)
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{
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var thisValue = receiver.Moles[i];
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var sharerValue = sharer.Moles[i];
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var delta = (thisValue - sharerValue) / (atmosAdjacentTurfs + 1);
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if (!(MathF.Abs(delta) >= Atmospherics.GasMinMoles)) continue;
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if (absTemperatureDelta > Atmospherics.MinimumTemperatureDeltaToConsider)
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{
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var gasHeatCapacity = delta * GasSpecificHeats[i];
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if (delta > 0)
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{
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heatCapacityToSharer += gasHeatCapacity;
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}
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else
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{
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heatCapacitySharerToThis -= gasHeatCapacity;
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}
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}
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if (!receiver.Immutable) receiver.Moles[i] -= delta;
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if (!sharer.Immutable) sharer.Moles[i] += delta;
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movedMoles += delta;
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absMovedMoles += MathF.Abs(delta);
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}
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tileReceiver.LastShare = absMovedMoles;
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if (absTemperatureDelta > Atmospherics.MinimumTemperatureDeltaToConsider)
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{
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var newHeatCapacity = oldHeatCapacity + heatCapacitySharerToThis - heatCapacityToSharer;
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var newSharerHeatCapacity = oldSharerHeatCapacity + heatCapacityToSharer - heatCapacitySharerToThis;
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// Transfer of thermal energy (via changed heat capacity) between self and sharer.
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if (!receiver.Immutable && newHeatCapacity > Atmospherics.MinimumHeatCapacity)
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{
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receiver.Temperature = ((oldHeatCapacity * receiver.Temperature) - (heatCapacityToSharer * tileReceiver.AirArchived.Temperature) + (heatCapacitySharerToThis * tileSharer.AirArchived.Temperature)) / newHeatCapacity;
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}
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if (!sharer.Immutable && newSharerHeatCapacity > Atmospherics.MinimumHeatCapacity)
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{
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sharer.Temperature = ((oldSharerHeatCapacity * sharer.Temperature) - (heatCapacitySharerToThis * tileSharer.AirArchived.Temperature) + (heatCapacityToSharer * tileReceiver.AirArchived.Temperature)) / newSharerHeatCapacity;
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}
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// Thermal energy of the system (self and sharer) is unchanged.
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if (MathF.Abs(oldSharerHeatCapacity) > Atmospherics.MinimumHeatCapacity)
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{
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if (MathF.Abs(newSharerHeatCapacity / oldSharerHeatCapacity - 1) < 0.1)
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{
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TemperatureShare(tileReceiver, tileSharer, Atmospherics.OpenHeatTransferCoefficient);
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}
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}
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}
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if (!(temperatureDelta > Atmospherics.MinimumTemperatureToMove) &&
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!(MathF.Abs(movedMoles) > Atmospherics.MinimumMolesDeltaToMove)) return 0f;
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var moles = receiver.TotalMoles;
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var theirMoles = sharer.TotalMoles;
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return (tileReceiver.AirArchived.Temperature * (moles + movedMoles)) - (tileSharer.AirArchived.Temperature * (theirMoles - movedMoles)) * Atmospherics.R / receiver.Volume;
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}
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/// <summary>
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/// Shares temperature between two mixtures, taking a conduction coefficient into account.
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/// </summary>
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public float TemperatureShare(TileAtmosphere tileReceiver, TileAtmosphere tileSharer, float conductionCoefficient)
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{
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if (tileReceiver.Air is not { } receiver || tileSharer.Air is not { } sharer ||
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tileReceiver.AirArchived == null || tileSharer.AirArchived == null)
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return 0f;
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var temperatureDelta = tileReceiver.AirArchived.Temperature - tileSharer.AirArchived.Temperature;
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if (MathF.Abs(temperatureDelta) > Atmospherics.MinimumTemperatureDeltaToConsider)
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{
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var heatCapacity = GetHeatCapacityArchived(tileReceiver);
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var sharerHeatCapacity = GetHeatCapacityArchived(tileSharer);
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if (sharerHeatCapacity > Atmospherics.MinimumHeatCapacity && heatCapacity > Atmospherics.MinimumHeatCapacity)
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{
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var heat = conductionCoefficient * temperatureDelta * (heatCapacity * sharerHeatCapacity / (heatCapacity + sharerHeatCapacity));
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if (!receiver.Immutable)
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receiver.Temperature = MathF.Abs(MathF.Max(receiver.Temperature - heat / heatCapacity, Atmospherics.TCMB));
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if (!sharer.Immutable)
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sharer.Temperature = MathF.Abs(MathF.Max(sharer.Temperature + heat / sharerHeatCapacity, Atmospherics.TCMB));
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}
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}
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return sharer.Temperature;
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}
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/// <summary>
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/// Shares temperature between a gas mixture and an abstract sharer, taking a conduction coefficient into account.
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/// </summary>
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public float TemperatureShare(TileAtmosphere tileReceiver, float conductionCoefficient, float sharerTemperature, float sharerHeatCapacity)
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{
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if (tileReceiver.Air is not {} receiver || tileReceiver.AirArchived == null)
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return 0;
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var temperatureDelta = tileReceiver.AirArchived.Temperature - sharerTemperature;
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if (MathF.Abs(temperatureDelta) > Atmospherics.MinimumTemperatureDeltaToConsider)
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{
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var heatCapacity = GetHeatCapacityArchived(tileReceiver);
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if (sharerHeatCapacity > Atmospherics.MinimumHeatCapacity && heatCapacity > Atmospherics.MinimumHeatCapacity)
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{
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var heat = conductionCoefficient * temperatureDelta * (heatCapacity * sharerHeatCapacity / (heatCapacity + sharerHeatCapacity));
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if (!receiver.Immutable)
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receiver.Temperature = MathF.Abs(MathF.Max(receiver.Temperature - heat / heatCapacity, Atmospherics.TCMB));
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sharerTemperature = MathF.Abs(MathF.Max(sharerTemperature + heat / sharerHeatCapacity, Atmospherics.TCMB));
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}
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}
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return sharerTemperature;
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}
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}
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}
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