Add custom target card types Everyone and Anyone.

Abstracts/CustomTargetType.cs

@@ -0,0 +1,227 @@
+
+using BaseLib.Patches.Content;
+using Godot;
+using HarmonyLib;
+using MegaCrit.Sts2.Core.Entities.Cards;
+using MegaCrit.Sts2.Core.Entities.Creatures;
+using MegaCrit.Sts2.Core.Models;
+using MegaCrit.Sts2.Core.Nodes.Combat;
+using MegaCrit.Sts2.Core.Nodes.GodotExtensions;
+using MegaCrit.Sts2.Core.Nodes.Rooms;
+
+namespace BaseLib.Abstracts;
+
+
+/// <summary>
+/// Provides extended <see cref="TargetType"/> definitions to support additional targetting options.
+/// </summary>
+public class CustomTargetType
+{
+    /// <summary>
+    /// Represents a multi-target selection that allows the player to target all living creature on the board.
+    /// This selection is visual-only, similar to other multi-target selection types.
+    /// </summary>
+    [CustomEnum] public static TargetType Everyone;
+    /// <summary>
+    /// Represents a single-target selection that allows the player to target any living creature on the board,
+    /// ignoring the standard restrictions between friendly and hostile sides.
+    /// </summary>
+    [CustomEnum] public static TargetType Anyone;
+}
+
+
+// Everyone
+
+/// <summary>
+/// Ensures that cards with the 'Everyone' target type trigger the multi-select visual 
+/// state, displaying targeting reticles over all creatures in the combat room.
+/// </summary>
+[HarmonyPatch(typeof(NCardPlay), "ShowMultiCreatureTargetingVisuals")]
+class ShowMultiCreatureTargetingVisualsPatch
+{
+    public static void Postfix(NCardPlay __instance)
+    {
+        if (__instance.Card == null || __instance.Card.TargetType != CustomTargetType.Everyone) return;
+        __instance.CardNode?.UpdateVisuals(
+            __instance.Card.Pile!.Type, 
+            CardPreviewMode.MultiCreatureTargeting
+        );
+
+        var room = NCombatRoom.Instance;
+        if (room == null) return;
+        foreach (var creatureNode in room.CreatureNodes)
+        {
+            creatureNode.ShowMultiselectReticle();
+        }
+    }
+}
+
+// Anyone
+
+/// <summary>
+/// Redirects mouse-based card targeting when the 'Anyone' target type is detected.
+/// </summary>
+[HarmonyPatch(typeof(NMouseCardPlay), "TargetSelection")]
+class TargetSelectionPatch
+{
+    public static bool Prefix(NMouseCardPlay __instance, TargetMode targetMode, ref Task __result)
+    {
+        if (__instance.Card == null || __instance.Card.TargetType != CustomTargetType.Anyone) return true;
+        __result = AnyoneTargetSelectionAsync(__instance, targetMode);
+        return false;
+
+    }
+
+    private static async Task AnyoneTargetSelectionAsync(NMouseCardPlay __instance, TargetMode targetMode)
+    {
+        __instance.TryShowEvokingOrbs();
+        __instance.CardNode?.CardHighlight.AnimFlash();
+        await __instance.SingleCreatureTargeting(targetMode, CustomTargetType.Anyone);
+    }
+}
+
+// Todo: controller anyone support
+/*
+[HarmonyPatch(typeof(NControllerCardPlay), nameof(NControllerCardPlay.Start))]
+ class ControllerStartPatch
+{
+    public static bool Prefix(NControllerCardPlay __instance)
+    {
+        var card = __instance.Card;
+        if (card == null || __instance.CardNode == null || card.TargetType != CustomTarget.Anyone) return true;
+        NDebugAudioManager.Instance?.Play("card_select.mp3");
+        NHoverTipSet.Remove(__instance.Holder);
+        UnplayableReason reason;
+        AbstractModel preventer;
+        if (!card.CanPlay(out reason, out preventer))
+        {
+            __instance.CannotPlayThisCardFtueCheck(card);
+            __instance.CancelPlayCard();
+            var playerDialogueLine = reason.GetPlayerDialogueLine(preventer);
+            if (playerDialogueLine == null)
+                return false;
+            NCombatRoom.Instance.CombatVfxContainer.AddChildSafely(NThoughtBubbleVfx.Create(playerDialogueLine.GetFormattedText(), __instance.Card.Owner.Creature, 1.0));
+            return false;
+        }
+        __instance.TryShowEvokingOrbs();
+        __instance.CardNode.CardHighlight.AnimFlash();
+        __instance.CenterCard();
+        TaskHelper.RunSafely(__instance.SingleCreatureTargeting(card.TargetType));
+        return false;
+    }
+}
+*/
+
+
+/// <summary>
+/// Extends the game's target identification logic to recognize 'Anyone' as a valid 
+/// single-target type.
+/// </summary>
+[HarmonyPatch(typeof(ActionTargetExtensions), nameof(ActionTargetExtensions.IsSingleTarget))]
+class IsSingleTargetPatch
+{
+    public static void Postfix(TargetType targetType, ref bool __result)
+    {
+        if (__result) return;
+        if (targetType == CustomTargetType.Anyone)
+        {
+            __result = true;
+        }
+    }
+}
+
+/// <summary>
+/// Overrides the validation logic for individual creature targeting, allowing the 
+/// 'Anyone' type to select any living creature regardless of faction (Ally or Enemy).
+/// </summary>
+[HarmonyPatch(typeof(NTargetManager), nameof(NTargetManager.AllowedToTargetCreature))]
+class AllowedToTargetCreaturePatch
+{
+    public static bool Prefix(NTargetManager __instance, Creature creature, ref bool __result)
+    {
+        if (__instance._validTargetsType != CustomTargetType.Anyone) return true;
+        __result = creature is { IsAlive: true };
+        return false;
+    }
+}
+
+
+// TODO: dont re-implement, instead circumvent the returns in TryPlayCard
+/// <summary>
+/// Re-implements the card-playing execution loop for 'Anyone' targeting, ensuring 
+/// the selected creature is correctly passed to the card's play action.
+/// </summary>
+[HarmonyPatch(typeof(NCardPlay), nameof(NCardPlay.TryPlayCard))]
+class TryPlayCardPatch
+{
+    public static bool Prefix(NCardPlay __instance, Creature? target)
+    {
+        var card = __instance.Card;
+        if (card == null || card.TargetType != CustomTargetType.Anyone) return true;
+        if (target == null || __instance.Holder.CardModel == null)
+        {
+            __instance.CancelPlayCard();
+            return false;
+        }
+        if (!__instance.Holder.CardModel.CanPlayTargeting(target))
+        {
+            __instance.CannotPlayThisCardFtueCheck(__instance.Holder.CardModel);
+            __instance.CancelPlayCard();
+            return false;
+        }
+        __instance._isTryingToPlayCard = true;
+        var success = card.TryManualPlay(target);
+        __instance._isTryingToPlayCard = false;
+
+        if (success)
+        {
+            __instance.AutoDisableCannotPlayCardFtueCheck();
+            if (__instance.Holder.IsInsideTree())
+            {
+                var size = __instance.GetViewport().GetVisibleRect().Size;
+                __instance.Holder.SetTargetPosition(new Vector2(size.X / 2f, size.Y - __instance.Holder.Size.Y));
+            }
+            AccessTools.Method(typeof(NCardPlay), "Cleanup").Invoke(__instance, [true]);
+            var instance = NCombatRoom.Instance;
+            if (instance == null)
+                return false;
+            instance.Ui.Hand.TryGrabFocus();
+        }
+        else
+        {
+            __instance.CancelPlayCard();
+        }
+
+        return false;
+    }
+}
+
+/// <summary>
+/// Patches the targeting selection logic to recognize the 'Anyone' target type.
+/// </summary>
+[HarmonyPatch(typeof(CardModel), nameof(CardModel.CanPlayTargeting))]
+class CanPlayTargetingPatch
+{
+    public static bool Prefix(CardModel __instance, Creature? target, ref bool __result)
+    {
+        if (__instance.TargetType != CustomTargetType.Anyone) return true;
+        __result = target is { IsAlive: true };
+        return false;
+    }
+}
+
+/// <summary>
+/// Overrides the card model's internal validation to ensure that any living creature 
+/// is recognized as a legitimate target for cards using the 'Anyone' targeting type.
+/// </summary>
+[HarmonyPatch(typeof(CardModel), nameof(CardModel.IsValidTarget))]
+class IsValidTargetPatch
+{
+    public static bool Prefix(CardModel __instance, Creature? target, ref bool __result)
+    {
+        if (__instance.TargetType != CustomTargetType.Anyone) return true;
+        __result = target is { IsAlive: true };
+        return false;
+
+    }
+}