Files
tbd-station-14/Content.Client/Damage/DamageVisualsSystem.cs
Hannah Giovanna Dawson cdbe92d37d Update DamageableSystem to modern standards (#39417)
* Update DamageableSystem to modern standards

* DamageContainerId -> DamageContainerID with lint flag

* Replace strings with protoids

* Make CVar subscription declarations all consistently whitespaced

* ChangeDamage -> TryChangeDamage, cope with C# jank

* Revert event signature changes

* Restore a comment

* Re-add two queries

* Init the queries

* Use appearanceQuery in DamageChanged

* Use damageableQuery in TryChangeDamage

* Use damageableQuery in SetDamageModifierSetId

* Final cleanup, fix sandboxing

* Rectify ExplosionSystem:::ProcessEntity's call to TryChangeDamage

* Re-organize DamageableSystem

* first big fuck you breaking change.

* THATS A LOT OF DAMAGE!!!

* Fix test fails

* test fixes 2

* push it

---------

Co-authored-by: Princess Cheeseballs <66055347+Pronana@users.noreply.github.com>
2025-10-27 19:53:04 +00:00

726 lines
28 KiB
C#

using System.Linq;
using Content.Shared.Damage;
using Content.Shared.Damage.Components;
using Content.Shared.Damage.Prototypes;
using Content.Shared.FixedPoint;
using Robust.Client.GameObjects;
using Robust.Shared.Prototypes;
using Robust.Shared.Utility;
namespace Content.Client.Damage;
/// <summary>
/// A simple visualizer for any entity with a DamageableComponent
/// to display the status of how damaged it is.
///
/// Can either be an overlay for an entity, or target multiple
/// layers on the same entity.
///
/// This can be disabled dynamically by passing into SetData,
/// key DamageVisualizerKeys.Disabled, value bool
/// (DamageVisualizerKeys lives in Content.Shared.Damage)
///
/// Damage layers, if targeting layers, can also be dynamically
/// disabled if needed by passing into SetData, the name/enum
/// of the sprite layer, and then passing in a bool value
/// (true to enable, false to disable).
/// </summary>
public sealed class DamageVisualsSystem : VisualizerSystem<DamageVisualsComponent>
{
[Dependency] private readonly IPrototypeManager _prototypeManager = default!;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<DamageVisualsComponent, ComponentInit>(InitializeEntity);
}
private void InitializeEntity(EntityUid entity, DamageVisualsComponent comp, ComponentInit args)
{
VerifyVisualizerSetup(entity, comp);
if (!comp.Valid)
{
RemCompDeferred<DamageVisualsComponent>(entity);
return;
}
InitializeVisualizer(entity, comp);
}
private void VerifyVisualizerSetup(EntityUid entity, DamageVisualsComponent damageVisComp)
{
if (damageVisComp.Thresholds.Count < 1)
{
Log.Error($"ThresholdsLookup were invalid for entity {entity}. ThresholdsLookup: {damageVisComp.Thresholds}");
damageVisComp.Valid = false;
return;
}
if (damageVisComp.Divisor == 0)
{
Log.Error($"Divisor for {entity} is set to zero.");
damageVisComp.Valid = false;
return;
}
if (damageVisComp.Overlay)
{
if (damageVisComp.DamageOverlayGroups == null && damageVisComp.DamageOverlay == null)
{
Log.Error($"Enabled overlay without defined damage overlay sprites on {entity}.");
damageVisComp.Valid = false;
return;
}
if (damageVisComp.TrackAllDamage && damageVisComp.DamageOverlay == null)
{
Log.Error($"Enabled all damage tracking without a damage overlay sprite on {entity}.");
damageVisComp.Valid = false;
return;
}
if (!damageVisComp.TrackAllDamage && damageVisComp.DamageOverlay != null)
{
Log.Warning($"Disabled all damage tracking with a damage overlay sprite on {entity}.");
damageVisComp.Valid = false;
return;
}
if (damageVisComp.TrackAllDamage && damageVisComp.DamageOverlayGroups != null)
{
Log.Warning($"Enabled all damage tracking with damage overlay groups on {entity}.");
damageVisComp.Valid = false;
return;
}
}
else if (!damageVisComp.Overlay)
{
if (damageVisComp.TargetLayers == null)
{
Log.Error($"Disabled overlay without target layers on {entity}.");
damageVisComp.Valid = false;
return;
}
if (damageVisComp.DamageOverlayGroups != null || damageVisComp.DamageOverlay != null)
{
Log.Error($"Disabled overlay with defined damage overlay sprites on {entity}.");
damageVisComp.Valid = false;
return;
}
if (damageVisComp.DamageGroup == null)
{
Log.Error($"Disabled overlay without defined damage group on {entity}.");
damageVisComp.Valid = false;
return;
}
}
if (damageVisComp.DamageOverlayGroups != null && damageVisComp.DamageGroup != null)
{
Log.Warning($"Damage overlay sprites and damage group are both defined on {entity}.");
}
if (damageVisComp.DamageOverlay != null && damageVisComp.DamageGroup != null)
{
Log.Warning($"Damage overlay sprites and damage group are both defined on {entity}.");
}
}
private void InitializeVisualizer(EntityUid entity, DamageVisualsComponent damageVisComp)
{
if (!TryComp(entity, out SpriteComponent? spriteComponent)
|| !TryComp<DamageableComponent>(entity, out var damageComponent)
|| !HasComp<AppearanceComponent>(entity))
return;
damageVisComp.Thresholds.Add(FixedPoint2.Zero);
damageVisComp.Thresholds.Sort();
if (damageVisComp.Thresholds[0] != 0)
{
Log.Error($"ThresholdsLookup were invalid for entity {entity}. ThresholdsLookup: {damageVisComp.Thresholds}");
damageVisComp.Valid = false;
return;
}
// If the damage container on our entity's DamageableComponent
// is not null, we can try to check through its groups.
if (damageComponent.DamageContainerID != null
&& _prototypeManager.Resolve<DamageContainerPrototype>(damageComponent.DamageContainerID, out var damageContainer))
{
// Are we using damage overlay sprites by group?
// Check if the container matches the supported groups,
// and start caching the last threshold.
if (damageVisComp.DamageOverlayGroups != null)
{
foreach (var damageType in damageVisComp.DamageOverlayGroups.Keys)
{
if (!damageContainer.SupportedGroups.Contains(damageType))
{
Log.Error($"Damage key {damageType} was invalid for entity {entity}.");
damageVisComp.Valid = false;
return;
}
damageVisComp.LastThresholdPerGroup.Add(damageType, FixedPoint2.Zero);
}
}
// Are we tracking a single damage group without overlay instead?
// See if that group is in our entity's damage container.
else if (!damageVisComp.Overlay && damageVisComp.DamageGroup != null)
{
if (!damageContainer.SupportedGroups.Contains(damageVisComp.DamageGroup))
{
Log.Error($"Damage keys were invalid for entity {entity}.");
damageVisComp.Valid = false;
return;
}
damageVisComp.LastThresholdPerGroup.Add(damageVisComp.DamageGroup, FixedPoint2.Zero);
}
}
// Ditto above, but instead we go through every group.
else // oh boy! time to enumerate through every single group!
{
var damagePrototypeIdList = _prototypeManager.EnumeratePrototypes<DamageGroupPrototype>()
.Select((p, _) => p.ID)
.ToList();
if (damageVisComp.DamageOverlayGroups != null)
{
foreach (var damageType in damageVisComp.DamageOverlayGroups.Keys)
{
if (!damagePrototypeIdList.Contains(damageType))
{
Log.Error($"Damage keys were invalid for entity {entity}.");
damageVisComp.Valid = false;
return;
}
damageVisComp.LastThresholdPerGroup.Add(damageType, FixedPoint2.Zero);
}
}
else if (damageVisComp.DamageGroup != null)
{
if (!damagePrototypeIdList.Contains(damageVisComp.DamageGroup))
{
Log.Error($"Damage keys were invalid for entity {entity}.");
damageVisComp.Valid = false;
return;
}
damageVisComp.LastThresholdPerGroup.Add(damageVisComp.DamageGroup, FixedPoint2.Zero);
}
}
// If we're targeting any layers, and the amount of
// layers is greater than zero, we start reserving
// all the layers needed to track damage groups
// on the entity.
if (damageVisComp.TargetLayers is { Count: > 0 })
{
// This should ensure that the layers we're targeting
// are valid for the visualizer's use.
//
// If the layer doesn't have a base state, or
// the layer key just doesn't exist, we skip it.
foreach (var key in damageVisComp.TargetLayers)
{
if (!SpriteSystem.LayerMapTryGet((entity, spriteComponent), key, out var index, false))
{
Log.Warning($"Layer at key {key} was invalid for entity {entity}.");
continue;
}
damageVisComp.TargetLayerMapKeys.Add(key);
}
// Similar to damage overlay groups, if none of the targeted
// sprite layers could be used, we display an error and
// invalidate the visualizer without crashing.
if (damageVisComp.TargetLayerMapKeys.Count == 0)
{
Log.Error($"Target layers were invalid for entity {entity}.");
damageVisComp.Valid = false;
return;
}
// Otherwise, we start reserving layers. Since the filtering
// loop above ensures that all of these layers are not null,
// and have valid state IDs, there should be no issues.
foreach (var layer in damageVisComp.TargetLayerMapKeys)
{
var layerCount = spriteComponent.AllLayers.Count();
var index = SpriteSystem.LayerMapGet((entity, spriteComponent), layer);
// var layerState = spriteComponent.LayerGetState(index).ToString()!;
if (index + 1 != layerCount)
{
index += 1;
}
damageVisComp.LayerMapKeyStates.Add(layer, layer.ToString());
// If we're an overlay, and we're targeting groups,
// we reserve layers per damage group.
if (damageVisComp.Overlay && damageVisComp.DamageOverlayGroups != null)
{
foreach (var (group, sprite) in damageVisComp.DamageOverlayGroups)
{
AddDamageLayerToSprite((entity, spriteComponent),
sprite,
$"{layer}_{group}_{damageVisComp.Thresholds[1]}",
$"{layer}{group}",
index);
}
damageVisComp.DisabledLayers.Add(layer, false);
}
// If we're not targeting groups, and we're still
// using an overlay, we instead just add a general
// overlay that reflects on how much damage
// was taken.
else if (damageVisComp.DamageOverlay != null)
{
AddDamageLayerToSprite((entity, spriteComponent),
damageVisComp.DamageOverlay,
$"{layer}_{damageVisComp.Thresholds[1]}",
$"{layer}trackDamage",
index);
damageVisComp.DisabledLayers.Add(layer, false);
}
}
}
// If we're not targeting layers, however,
// we should ensure that we instead
// reserve it as an overlay.
else
{
if (damageVisComp.DamageOverlayGroups != null)
{
foreach (var (group, sprite) in damageVisComp.DamageOverlayGroups)
{
AddDamageLayerToSprite((entity, spriteComponent),
sprite,
$"DamageOverlay_{group}_{damageVisComp.Thresholds[1]}",
$"DamageOverlay{group}");
damageVisComp.TopMostLayerKey = $"DamageOverlay{group}";
}
}
else if (damageVisComp.DamageOverlay != null)
{
AddDamageLayerToSprite((entity, spriteComponent),
damageVisComp.DamageOverlay,
$"DamageOverlay_{damageVisComp.Thresholds[1]}",
"DamageOverlay");
damageVisComp.TopMostLayerKey = $"DamageOverlay";
}
}
}
/// <summary>
/// Adds a damage tracking layer to a given sprite component.
/// </summary>
private void AddDamageLayerToSprite(Entity<SpriteComponent?> spriteEnt, DamageVisualizerSprite sprite, string state, string mapKey, int? index = null)
{
var newLayer = SpriteSystem.AddLayer(
spriteEnt,
new SpriteSpecifier.Rsi(
new(sprite.Sprite), state
),
index
);
SpriteSystem.LayerMapSet(spriteEnt, mapKey, newLayer);
if (sprite.Color != null)
SpriteSystem.LayerSetColor(spriteEnt, newLayer, Color.FromHex(sprite.Color));
SpriteSystem.LayerSetVisible(spriteEnt, newLayer, false);
}
protected override void OnAppearanceChange(EntityUid uid, DamageVisualsComponent damageVisComp, ref AppearanceChangeEvent args)
{
// how is this still here?
if (!damageVisComp.Valid)
return;
// If this was passed into the component, we update
// the data to ensure that the current disabled
// bool matches.
if (AppearanceSystem.TryGetData<bool>(uid, DamageVisualizerKeys.Disabled, out var disabledStatus, args.Component))
damageVisComp.Disabled = disabledStatus;
if (damageVisComp.Disabled)
return;
HandleDamage(uid, args.Component, damageVisComp);
}
private void HandleDamage(EntityUid uid, AppearanceComponent component, DamageVisualsComponent damageVisComp)
{
if (!TryComp(uid, out SpriteComponent? spriteComponent)
|| !TryComp(uid, out DamageableComponent? damageComponent))
return;
if (damageVisComp.TargetLayers != null && damageVisComp.DamageOverlayGroups != null)
UpdateDisabledLayers(uid, spriteComponent, component, damageVisComp);
if (damageVisComp.Overlay && damageVisComp.DamageOverlayGroups != null && damageVisComp.TargetLayers == null)
CheckOverlayOrdering((uid, spriteComponent), damageVisComp);
if (AppearanceSystem.TryGetData<bool>(uid, DamageVisualizerKeys.ForceUpdate, out var update, component)
&& update)
{
ForceUpdateLayers((uid, damageComponent, spriteComponent, damageVisComp));
return;
}
if (damageVisComp.TrackAllDamage)
{
UpdateDamageVisuals((uid, damageComponent, spriteComponent, damageVisComp));
return;
}
if (!AppearanceSystem.TryGetData<DamageVisualizerGroupData>(uid, DamageVisualizerKeys.DamageUpdateGroups,
out var data, component))
{
data = new DamageVisualizerGroupData(Comp<DamageableComponent>(uid).DamagePerGroup.Keys.ToList());
}
UpdateDamageVisuals(data.GroupList, (uid, damageComponent, spriteComponent, damageVisComp));
}
/// <summary>
/// Checks if any layers were disabled in the last
/// data update. Disabled layers mean that the
/// layer will no longer be visible, or obtain
/// any damage updates.
/// </summary>
private void UpdateDisabledLayers(EntityUid uid, SpriteComponent spriteComponent, AppearanceComponent component, DamageVisualsComponent damageVisComp)
{
foreach (var layer in damageVisComp.TargetLayerMapKeys)
{
// I assume this gets set by something like body system if limbs are missing???
// TODO is this actually used by anything anywhere?
AppearanceSystem.TryGetData(uid, layer, out bool disabled, component);
if (damageVisComp.DisabledLayers[layer] == disabled)
continue;
damageVisComp.DisabledLayers[layer] = disabled;
if (damageVisComp.TrackAllDamage)
{
SpriteSystem.LayerSetVisible((uid, spriteComponent), $"{layer}trackDamage", !disabled);
continue;
}
if (damageVisComp.DamageOverlayGroups == null)
continue;
foreach (var damageGroup in damageVisComp.DamageOverlayGroups.Keys)
{
SpriteSystem.LayerSetVisible((uid, spriteComponent), $"{layer}{damageGroup}", !disabled);
}
}
}
/// <summary>
/// Checks the overlay ordering on the current
/// sprite component, compared to the
/// data for the visualizer. If the top
/// most layer doesn't match, the sprite
/// layers are recreated and placed on top.
/// </summary>
private void CheckOverlayOrdering(Entity<SpriteComponent> spriteEnt, DamageVisualsComponent damageVisComp)
{
if (spriteEnt.Comp[damageVisComp.TopMostLayerKey] != spriteEnt.Comp[spriteEnt.Comp.AllLayers.Count() - 1])
{
if (!damageVisComp.TrackAllDamage && damageVisComp.DamageOverlayGroups != null)
{
foreach (var (damageGroup, sprite) in damageVisComp.DamageOverlayGroups)
{
var threshold = damageVisComp.LastThresholdPerGroup[damageGroup];
ReorderOverlaySprite(spriteEnt,
damageVisComp,
sprite,
$"DamageOverlay{damageGroup}",
$"DamageOverlay_{damageGroup}",
threshold);
}
}
else if (damageVisComp.TrackAllDamage && damageVisComp.DamageOverlay != null)
{
ReorderOverlaySprite(spriteEnt,
damageVisComp,
damageVisComp.DamageOverlay,
$"DamageOverlay",
$"DamageOverlay",
damageVisComp.LastDamageThreshold);
}
}
}
private void ReorderOverlaySprite(Entity<SpriteComponent> spriteEnt, DamageVisualsComponent damageVisComp, DamageVisualizerSprite sprite, string key, string statePrefix, FixedPoint2 threshold)
{
SpriteSystem.LayerMapTryGet(spriteEnt.AsNullable(), key, out var spriteLayer, false);
var visibility = spriteEnt.Comp[spriteLayer].Visible;
SpriteSystem.RemoveLayer(spriteEnt.AsNullable(), spriteLayer);
if (threshold == FixedPoint2.Zero) // these should automatically be invisible
threshold = damageVisComp.Thresholds[1];
spriteLayer = SpriteSystem.AddLayer(
spriteEnt.AsNullable(),
new SpriteSpecifier.Rsi(
new(sprite.Sprite),
$"{statePrefix}_{threshold}"
),
spriteLayer);
SpriteSystem.LayerMapSet(spriteEnt.AsNullable(), key, spriteLayer);
SpriteSystem.LayerSetVisible(spriteEnt.AsNullable(), spriteLayer, visibility);
// this is somewhat iffy since it constantly reallocates
damageVisComp.TopMostLayerKey = key;
}
/// <summary>
/// Updates damage visuals without tracking
/// any damage groups.
/// </summary>
private void UpdateDamageVisuals(Entity<DamageableComponent, SpriteComponent, DamageVisualsComponent> entity)
{
var damageComponent = entity.Comp1;
var spriteComponent = entity.Comp2;
var damageVisComp = entity.Comp3;
if (!CheckThresholdBoundary(damageComponent.TotalDamage, damageVisComp.LastDamageThreshold, damageVisComp, out var threshold))
return;
damageVisComp.LastDamageThreshold = threshold;
if (damageVisComp.TargetLayers != null)
{
foreach (var layerMapKey in damageVisComp.TargetLayerMapKeys)
{
UpdateTargetLayer((entity, spriteComponent), damageVisComp, layerMapKey, threshold);
}
}
else
{
UpdateOverlay((entity, spriteComponent), threshold);
}
}
/// <summary>
/// Updates damage visuals by damage group,
/// according to the list of damage groups
/// passed into it.
/// </summary>
private void UpdateDamageVisuals(List<string> delta, Entity<DamageableComponent, SpriteComponent, DamageVisualsComponent> entity)
{
var damageComponent = entity.Comp1;
var spriteComponent = entity.Comp2;
var damageVisComp = entity.Comp3;
foreach (var damageGroup in delta)
{
if (!damageVisComp.Overlay && damageGroup != damageVisComp.DamageGroup)
continue;
if (!_prototypeManager.TryIndex<DamageGroupPrototype>(damageGroup, out var damageGroupPrototype)
|| !damageComponent.Damage.TryGetDamageInGroup(damageGroupPrototype, out var damageTotal))
continue;
if (!damageVisComp.LastThresholdPerGroup.TryGetValue(damageGroup, out var lastThreshold)
|| !CheckThresholdBoundary(damageTotal, lastThreshold, damageVisComp, out var threshold))
continue;
damageVisComp.LastThresholdPerGroup[damageGroup] = threshold;
if (damageVisComp.TargetLayers != null)
{
foreach (var layerMapKey in damageVisComp.TargetLayerMapKeys)
{
UpdateTargetLayer((entity, spriteComponent, damageVisComp), layerMapKey, damageGroup, threshold);
}
}
else
{
UpdateOverlay((entity, spriteComponent, damageVisComp), damageGroup, threshold);
}
}
}
/// <summary>
/// Checks if a threshold boundary was passed.
/// </summary>
private bool CheckThresholdBoundary(FixedPoint2 damageTotal, FixedPoint2 lastThreshold, DamageVisualsComponent damageVisComp, out FixedPoint2 threshold)
{
threshold = FixedPoint2.Zero;
damageTotal = damageTotal / damageVisComp.Divisor;
var thresholdIndex = damageVisComp.Thresholds.BinarySearch(damageTotal);
if (thresholdIndex < 0)
{
thresholdIndex = ~thresholdIndex;
threshold = damageVisComp.Thresholds[thresholdIndex - 1];
}
else
{
threshold = damageVisComp.Thresholds[thresholdIndex];
}
if (threshold == lastThreshold)
return false;
return true;
}
/// <summary>
/// This is the entry point for
/// forcing an update on all damage layers.
/// Does different things depending on
/// the configuration of the visualizer.
/// </summary>
private void ForceUpdateLayers(Entity<DamageableComponent, SpriteComponent, DamageVisualsComponent> entity)
{
var damageVisComp = entity.Comp3;
if (damageVisComp.DamageOverlayGroups != null)
{
UpdateDamageVisuals(damageVisComp.DamageOverlayGroups.Keys.ToList(), entity);
}
else if (damageVisComp.DamageGroup != null)
{
UpdateDamageVisuals(new List<string>() { damageVisComp.DamageGroup }, entity);
}
else if (damageVisComp.DamageOverlay != null)
{
UpdateDamageVisuals(entity);
}
}
/// <summary>
/// Updates a target layer. Without a damage group passed in,
/// it assumes you're updating a layer that is tracking all
/// damage.
/// </summary>
private void UpdateTargetLayer(Entity<SpriteComponent> spriteEnt, DamageVisualsComponent damageVisComp, object layerMapKey, FixedPoint2 threshold)
{
if (damageVisComp.Overlay && damageVisComp.DamageOverlayGroups != null)
{
if (!damageVisComp.DisabledLayers[layerMapKey])
{
var layerState = damageVisComp.LayerMapKeyStates[layerMapKey];
SpriteSystem.LayerMapTryGet(spriteEnt.AsNullable(), $"{layerMapKey}trackDamage", out var spriteLayer, false);
UpdateDamageLayerState(spriteEnt,
spriteLayer,
$"{layerState}",
threshold);
}
}
else if (!damageVisComp.Overlay)
{
var layerState = damageVisComp.LayerMapKeyStates[layerMapKey];
SpriteSystem.LayerMapTryGet(spriteEnt.AsNullable(), $"{layerMapKey}", out var spriteLayer, false);
UpdateDamageLayerState(spriteEnt,
spriteLayer,
$"{layerState}",
threshold);
}
}
/// <summary>
/// Updates a target layer by damage group.
/// </summary>
private void UpdateTargetLayer(Entity<SpriteComponent, DamageVisualsComponent> entity, object layerMapKey, string damageGroup, FixedPoint2 threshold)
{
var spriteComponent = entity.Comp1;
var damageVisComp = entity.Comp2;
if (damageVisComp.Overlay && damageVisComp.DamageOverlayGroups != null)
{
if (damageVisComp.DamageOverlayGroups.ContainsKey(damageGroup) && !damageVisComp.DisabledLayers[layerMapKey])
{
var layerState = damageVisComp.LayerMapKeyStates[layerMapKey];
SpriteSystem.LayerMapTryGet((entity, spriteComponent), $"{layerMapKey}{damageGroup}", out var spriteLayer, false);
UpdateDamageLayerState(
(entity, spriteComponent),
spriteLayer,
$"{layerState}_{damageGroup}",
threshold);
}
}
else if (!damageVisComp.Overlay)
{
var layerState = damageVisComp.LayerMapKeyStates[layerMapKey];
SpriteSystem.LayerMapTryGet((entity, spriteComponent), $"{layerMapKey}", out var spriteLayer, false);
UpdateDamageLayerState(
(entity, spriteComponent),
spriteLayer,
$"{layerState}_{damageGroup}",
threshold);
}
}
/// <summary>
/// Updates an overlay that is tracking all damage.
/// </summary>
private void UpdateOverlay(Entity<SpriteComponent> spriteEnt, FixedPoint2 threshold)
{
SpriteSystem.LayerMapTryGet(spriteEnt.AsNullable(), $"DamageOverlay", out var spriteLayer, false);
UpdateDamageLayerState(spriteEnt,
spriteLayer,
$"DamageOverlay",
threshold);
}
/// <summary>
/// Updates an overlay based on damage group.
/// </summary>
private void UpdateOverlay(Entity<SpriteComponent, DamageVisualsComponent> entity, string damageGroup, FixedPoint2 threshold)
{
var spriteComponent = entity.Comp1;
var damageVisComp = entity.Comp2;
if (damageVisComp.DamageOverlayGroups != null)
{
if (damageVisComp.DamageOverlayGroups.ContainsKey(damageGroup))
{
SpriteSystem.LayerMapTryGet((entity, spriteComponent), $"DamageOverlay{damageGroup}", out var spriteLayer, false);
UpdateDamageLayerState(
(entity, spriteComponent),
spriteLayer,
$"DamageOverlay_{damageGroup}",
threshold);
}
}
}
/// <summary>
/// Updates a layer on the sprite by what
/// prefix it has (calculated by whatever
/// function calls it), and what threshold
/// was passed into it.
/// </summary>
private void UpdateDamageLayerState(Entity<SpriteComponent> spriteEnt, int spriteLayer, string statePrefix, FixedPoint2 threshold)
{
if (threshold == 0)
{
SpriteSystem.LayerSetVisible(spriteEnt.AsNullable(), spriteLayer, false);
}
else
{
if (!spriteEnt.Comp[spriteLayer].Visible)
{
SpriteSystem.LayerSetVisible(spriteEnt.AsNullable(), spriteLayer, true);
}
SpriteSystem.LayerSetRsiState(spriteEnt.AsNullable(), spriteLayer, $"{statePrefix}_{threshold}");
}
}
}