Assay Psionic Power (#1450)

# Description This PR adds a new psionic power to the game, called Assay. Assay is a more advanced information gathering tool that is available roundstart to the Mantis. It essentially acts as the first ingame method for characters to discover the underlying math behind Psionics, displaying to them the target's casting stats, potentia, and metapsionic feedback messages. These messages don't tell the caster directly which powers a target has, instead providing hints as to what those powers might be. <details><summary><h1>Media</h1></summary> <p> ![image](https://github.com/user-attachments/assets/d729e373-0406-4b0b-a47c-ae7c853e72b3) ![image](https://github.com/user-attachments/assets/08457e25-56c3-4ff9-856f-ce917bd40d5a) </p> </details> # Changelog :cl: - add: Added Assay as a new psi-power, which is available roundstart to the Psionic Mantis. Assay allows the caster to obtain more direct information about the statistics of a specific Psion, as well as vague hints as to what their powers may be, if any. --------- Signed-off-by: VMSolidus <[email protected]> Co-authored-by: Skubman <[email protected]> Co-authored-by: flyingkarii <[email protected]> Co-authored-by: sleepyyapril <[email protected]> Co-authored-by: SimpleStation Changelogs <[email protected]>
Simple-Station · Jan 11, 2025 · df8ffb0 · df8ffb0
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diff --git a/Content.Server/Abilities/Psionics/Abilities/AssayPowerSystem.cs b/Content.Server/Abilities/Psionics/Abilities/AssayPowerSystem.cs
@@ -0,0 +1,140 @@
+using Content.Server.Chat.Managers;
+using Content.Shared.Abilities.Psionics;
+using Content.Shared.Actions.Events;
+using Content.Shared.Chat;
+using Content.Shared.DoAfter;
+using Content.Shared.Popups;
+using Content.Shared.Psionics.Events;
+using Robust.Server.Audio;
+using Robust.Shared.Audio;
+using Robust.Server.Player;
+using Robust.Shared.Timing;
+using Robust.Shared.Player;
+
+namespace Content.Server.Abilities.Psionics;
+
+public sealed class AssayPowerSystem : EntitySystem
+{
+    [Dependency] private readonly SharedPsionicAbilitiesSystem _psionics = default!;
+    [Dependency] private readonly IGameTiming _gameTiming = default!;
+    [Dependency] private readonly SharedDoAfterSystem _doAfterSystem = default!;
+    [Dependency] private readonly AudioSystem _audioSystem = default!;
+    [Dependency] private readonly SharedPopupSystem _popups = default!;
+    [Dependency] private readonly IChatManager _chatManager = default!;
+    [Dependency] private readonly IPlayerManager _playerManager = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<PsionicComponent, AssayPowerActionEvent>(OnPowerUsed);
+        SubscribeLocalEvent<PsionicComponent, AssayDoAfterEvent>(OnDoAfter);
+    }
+
+    /// <summary>
+    ///     This power activates when scanning any entity, displaying to the player's chat window a variety of psionic related statistics about the target.
+    /// </summary>
+    private void OnPowerUsed(EntityUid uid, PsionicComponent psionic, AssayPowerActionEvent args)
+    {
+        if (!_psionics.OnAttemptPowerUse(args.Performer, "assay")
+            || psionic.DoAfter is not null)
+            return;
+
+        var ev = new AssayDoAfterEvent(_gameTiming.CurTime, args.FontSize, args.FontColor);
+        _doAfterSystem.TryStartDoAfter(new DoAfterArgs(EntityManager, args.Performer, args.UseDelay - TimeSpan.FromSeconds(psionic.CurrentAmplification), ev, args.Performer, args.Target, args.Performer)
+        {
+            BlockDuplicate = true,
+            BreakOnMove = true,
+            BreakOnDamage = true,
+        }, out var doAfterId);
+        psionic.DoAfter = doAfterId;
+
+        _popups.PopupEntity(Loc.GetString(args.PopupTarget, ("entity", args.Target)), args.Performer, PopupType.Medium);
+
+        _audioSystem.PlayPvs(args.SoundUse, args.Performer, AudioParams.Default.WithVolume(8f).WithMaxDistance(1.5f).WithRolloffFactor(3.5f));
+        _psionics.LogPowerUsed(args.Performer, args.PowerName, args.MinGlimmer, args.MaxGlimmer);
+        args.Handled = true;
+    }
+
+    /// <summary>
+    ///     Assuming the DoAfter wasn't canceled, the user wasn't mindbroken, and the target still exists, prepare the scan results!
+    /// </summary>
+    private void OnDoAfter(EntityUid uid, PsionicComponent component, AssayDoAfterEvent args)
+    {
+        if (component is null)
+            return;
+        component.DoAfter = null;
+
+        var user = uid;
+        var target = args.Target;
+        if (target == null || args.Cancelled
+            || !_playerManager.TryGetSessionByEntity(user, out var session))
+            return;
+
+        if (InspectSelf(uid, args, session))
+            return;
+
+        if (!TryComp<PsionicComponent>(target, out var targetPsionic))
+        {
+            var noPowers = Loc.GetString("no-powers", ("entity", target));
+            _popups.PopupEntity(noPowers, user, user, PopupType.LargeCaution);
+
+            // Incredibly spooky message for non-psychic targets.
+            var noPowersFeedback = $"[font size={args.FontSize}][color={args.FontColor}]{noPowers}[/color][/font]";
+            SendDescToChat(noPowersFeedback, session);
+            return;
+        }
+
+        InspectOther(targetPsionic, args, session);
+    }
+
+    /// <summary>
+    ///     This is a special use-case for scanning yourself with the power. The player receives a unique feedback message if they do so.
+    ///     It however displays significantly less information when doing so. Consider this an intriguing easter egg.
+    /// </summary>
+    private bool InspectSelf(EntityUid uid, AssayDoAfterEvent args, ICommonSession session)
+    {
+        if (args.Target != args.User)
+            return false;
+
+        var user = uid;
+        var target = args.Target;
+
+        var assaySelf = Loc.GetString("assay-self", ("entity", target!.Value));
+        _popups.PopupEntity(assaySelf, user, user, PopupType.LargeCaution);
+
+        var assaySelfFeedback = $"[font size=20][color=#ff0000]{assaySelf}[/color][/font]";
+        SendDescToChat(assaySelfFeedback, session);
+        return true;
+    }
+
+    /// <summary>
+    ///     If the target turns out to be a psychic, display their feedback messages in chat.
+    /// </summary>
+    private void InspectOther(PsionicComponent targetPsionic, AssayDoAfterEvent args, ICommonSession session)
+    {
+        var target = args.Target;
+        var targetAmp = MathF.Round(targetPsionic.CurrentAmplification, 2).ToString("#.##");
+        var targetDamp = MathF.Round(targetPsionic.CurrentDampening, 2).ToString("#.##");
+        var targetPotentia = MathF.Round(targetPsionic.Potentia, 2).ToString("#.##");
+        var message = $"[font size={args.FontSize}][color={args.FontColor}]{Loc.GetString("assay-body", ("entity", target!.Value), ("amplification", targetAmp), ("dampening", targetDamp), ("potentia", targetPotentia))}[/color][/font]";
+        SendDescToChat(message, session);
+
+        foreach (var feedback in targetPsionic.AssayFeedback)
+        {
+            var locale = Loc.GetString(feedback, ("entity", target!.Value));
+            var feedbackMessage = $"[font size={args.FontSize}][color={args.FontColor}]{locale}[/color][/font]";
+            SendDescToChat(feedbackMessage, session);
+        }
+    }
+
+    private void SendDescToChat(string feedbackMessage, ICommonSession session)
+    {
+        _chatManager.ChatMessageToOne(
+            ChatChannel.Emotes,
+            feedbackMessage,
+            feedbackMessage,
+            EntityUid.Invalid,
+            false,
+            session.Channel);
+    }
+}
diff --git a/Content.Shared/Actions/Events/AssayPowerActionEvent.cs b/Content.Shared/Actions/Events/AssayPowerActionEvent.cs
@@ -0,0 +1,30 @@
+using Robust.Shared.Audio;
+
+namespace Content.Shared.Actions.Events;
+
+public sealed partial class AssayPowerActionEvent : EntityTargetActionEvent
+{
+    [DataField]
+    public TimeSpan UseDelay = TimeSpan.FromSeconds(8f);
+
+    [DataField]
+    public SoundSpecifier SoundUse = new SoundPathSpecifier("/Audio/Psionics/heartbeat_fast.ogg");
+
+    [DataField]
+    public string PopupTarget = "assay-begin";
+
+    [DataField]
+    public int FontSize = 12;
+
+    [DataField]
+    public string FontColor = "#8A00C2";
+
+    [DataField]
+    public int MinGlimmer = 3;
+
+    [DataField]
+    public int MaxGlimmer = 6;
+
+    [DataField]
+    public string PowerName = "assay";
+}
diff --git a/Content.Shared/Psionics/Events.cs b/Content.Shared/Psionics/Events.cs
@@ -1,6 +1,7 @@
 using Robust.Shared.Serialization;
 using Content.Shared.Damage;
 using Content.Shared.DoAfter;
+using Content.Shared.Abilities.Psionics;
 
 namespace Content.Shared.Psionics.Events;
 
@@ -67,3 +68,29 @@ public PsionicHealOtherDoAfterEvent(TimeSpan startedAt)
 
     public override DoAfterEvent Clone() => this;
 }
+
+[Serializable, NetSerializable]
+public sealed partial class AssayDoAfterEvent : DoAfterEvent
+{
+    [DataField(required: true)]
+    public TimeSpan StartedAt;
+
+    [DataField]
+    public int FontSize = 12;
+
+    [DataField]
+    public string FontColor = "#8A00C2";
+
+    private AssayDoAfterEvent()
+    {
+    }
+
+    public AssayDoAfterEvent(TimeSpan startedAt, int fontSize, string fontColor)
+    {
+        StartedAt = startedAt;
+        FontSize = fontSize;
+        FontColor = fontColor;
+    }
+
+    public override DoAfterEvent Clone() => this;
+}
diff --git a/Resources/Locale/en-US/abilities/psionic.ftl b/Resources/Locale/en-US/abilities/psionic.ftl
@@ -68,3 +68,6 @@ action-description-psychokinesis = Bend the fabric of space to instantly move ac
 
 action-name-rf-sensitivity = Toggle RF Sensitivity
 action-desc-rf-sensitivity = Toggle your ability to interpret radio waves on and off.
+
+action-name-assay = Assay
+action-description-assay = Probe an entity at close range to glean metaphorical information about any powers they may have
diff --git a/Resources/Locale/en-US/psionics/psionic-powers.ftl b/Resources/Locale/en-US/psionics/psionic-powers.ftl
@@ -183,3 +183,33 @@ ghost-role-information-familiar-description = An interdimensional creature bound
 ghost-role-information-familiar-rules =
     Obey the one who summoned you. Do not act against the interests of your Master. You will die for your Master if it is necessary.
 
+# Assay Power
+assay-begin = The air around {CAPITALIZE($entity)} begins to shimmer faintly
+assay-self = I AM.
+no-powers = {CAPITALIZE($entity)} will never awaken from the dream in this life
+assay-body = "My will cast upon {CAPITALIZE($entity)} divines these. Amplification: {$amplification} Dampening: {$dampening} Potentia: {$potentia}"
+assay-power-initialization-feedback =
+    I descend into the dreamlight once more, there I drink more fully of the cup of knowledge. The touch of the noosphere upon others becomes known to me,
+    I can cast my will upon them, divining the inner nature of others.
+assay-power-metapsionic-feedback = {CAPITALIZE($entity)} bears a spark of the divine's judgment, they have drunk deeply of the cup of knowledge.
+
+# Entity Specific Feedback Messages
+ifrit-feedback = A spirit of Gehenna, bound by the will of a powerful psychic
+prober-feedback = A mirror into the end of time, the screaming of dead stars emanates from this machine
+drain-feedback = A mirror into a realm where the stars sit still forever, a cold and distant malevolence stares back
+sophic-grammateus-feedback = SEEKER, YOU NEED ONLY ASK FOR MY WISDOM.
+oracle-feedback = WHY DO YOU BOTHER ME SEEKER? HAVE I NOT MADE MY DESIRES CLEAR?
+orecrab-feedback = Heralds of the Lord of Earth, summoned to this realm from Grome's kingdom
+reagent-slime-feedback = Heralds of the Lord of Water, summoned to this realm from Straasha's kingdom.
+flesh-golem-feedback = Abominations pulled from dead realms, twisted amalgamations of those fallen to the influence of primordial Chaos
+glimmer-mite-feedback = A semi-corporeal parasite native to the dreamlight, its presence here brings forth the screams of dead stars.
+anomaly-pyroclastic-feedback = A small mirror to the plane of Gehenna, truth lies within the Secret of Fire
+anomaly-gravity-feedback = Violet and crimson, blue of blue, impossibly dark yet greater than the whitest of white, a black star shines weakly at the end of it all
+anomaly-electricity-feedback = A mirror to a realm tiled by silicon, the lifeblood of artificial thought flows from it
+anomaly-flesh-feedback = From within it comes the suffering of damned mutants howling for all eternity
+anomaly-bluespace-feedback = A bridge of dreamlight, crossing into the space between realms of the multiverse
+anomaly-ice-feedback = Walls of blackened stone, ruin and famine wait for those who fall within
+anomaly-rock-feedback = A vast old oak dwells high over a plane of stone, it turns to stare back
+anomaly-flora-feedback = Musical notes drift around you, playfully beckoning, they wish to feast
+anomaly-liquid-feedback = A realm of twisting currents. Its placidity is a lie. The eyes within stare hungrilly
+anomaly-shadow-feedback = At the end of time, when all suns have set forever, there amidst the void stands a monument to past sins.
diff --git a/Resources/Prototypes/Actions/psionics.yml b/Resources/Prototypes/Actions/psionics.yml
@@ -367,3 +367,22 @@
         followMaster: true
         minGlimmer: 5
         maxGlimmer: 10
+
+- type: entity
+  id: ActionAssay
+  name: action-name-assay
+  description: action-description-assay
+  categories: [ HideSpawnMenu ]
+  components:
+    - type: EntityTargetAction
+      icon: { sprite: Interface/Actions/psionics.rsi, state: assay }
+      useDelay: 45
+      checkCanAccess: false
+      range: 2
+      itemIconStyle: BigAction
+      canTargetSelf: true
+      blacklist:
+        components:
+          - PsionicInsulation
+          - Mindbroken
+      event: !type:AssayPowerActionEvent
diff --git a/Resources/Prototypes/DeltaV/Entities/Mobs/NPCs/familiars.yml b/Resources/Prototypes/DeltaV/Entities/Mobs/NPCs/familiars.yml
@@ -92,6 +92,8 @@
     nameSegments: [names_golem]
   - type: Psionic
     removable: false
+    assayFeedback:
+      - ifrit-feedback
     psychognomicDescriptors:
       - p-descriptor-bound
       - p-descriptor-cyclic

diff --git a/Resources/Prototypes/Entities/Mobs/NPCs/elemental.yml b/Resources/Prototypes/Entities/Mobs/NPCs/elemental.yml
@@ -74,6 +74,7 @@
   - type: ZombieImmune
   - type: ClothingRequiredStepTriggerImmune
     slots: All
+  - type: Dispellable
 
 - type: entity
   abstract: true
@@ -104,6 +105,9 @@
     damageContainer: StructuralInorganic
   - type: Psionic
     removable: false
+    roller: false
+    assayFeedback:
+      - orecrab-feedback
   - type: InnatePsionicPowers
     powersToAdd:
       - TelepathyPower
@@ -303,6 +307,9 @@
     solution: bloodstream
   - type: Psionic
     removable: false
+    roller: false
+    assayFeedback:
+      - reagent-slime-feedback
   - type: InnatePsionicPowers
     powersToAdd:
       - TelepathyPower

diff --git a/Resources/Prototypes/Entities/Mobs/NPCs/flesh.yml b/Resources/Prototypes/Entities/Mobs/NPCs/flesh.yml
@@ -54,6 +54,11 @@
         Slash: 6
   - type: ReplacementAccent
     accent: genericAggressive
+  - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - flesh-golem-feedback
 
 - type: entity
   parent: BaseMobFlesh

diff --git a/Resources/Prototypes/Entities/Mobs/NPCs/glimmer_creatures.yml b/Resources/Prototypes/Entities/Mobs/NPCs/glimmer_creatures.yml
@@ -23,6 +23,10 @@
         - ReagentId: Ectoplasm
           Quantity: 15
   - type: Psionic
+    removable: false
+    roller: false
+    assayFeedback:
+      - glimmer-mite-feedback
   - type: GlimmerSource
   - type: AmbientSound
     range: 6