From 3158854a82273410bf58504d46e26e617527346a Mon Sep 17 00:00:00 2001
From: openhands <openhands@all-hands.dev>
Date: Tue, 28 Jan 2025 16:28:57 +0000
Subject: [PATCH 1/2] Fix issue #336: Mirror

---
 app/src/libs/combat/tags.ts  | 52 ++++++++++++++++++++++++++++++++++++
 app/src/libs/combat/types.ts |  9 +++++++
 2 files changed, 61 insertions(+)

diff --git a/app/src/libs/combat/tags.ts b/app/src/libs/combat/tags.ts
index 39d55a86..da8733a5 100644
--- a/app/src/libs/combat/tags.ts
+++ b/app/src/libs/combat/tags.ts
@@ -1546,6 +1546,58 @@ export const summonPrevent = (
 };
 
 /** Prevent target from being stunned */
+/** Mirror negative effects from caster to target */
+export const mirror = (
+  effect: UserEffect,
+  usersEffects: UserEffect[],
+  target: BattleUserState,
+) => {
+  if (!effect.isNew && !effect.castThisRound) {
+    // Find all negative effects on the caster
+    const negativeEffects = usersEffects.filter(
+      (e) => e.targetId === effect.userId && isNegativeUserEffect(e),
+    );
+
+    // Apply each negative effect to the target
+    negativeEffects.forEach((negEffect) => {
+      // Create a new effect with the same properties but different target
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-member-access
+      const mirroredEffect = {
+        type: negEffect.type,
+        id: nanoid(),
+        targetId: effect.targetId,
+        userId: effect.userId,
+        isNew: true,
+        castThisRound: true,
+        createdRound: effect.createdRound,
+        power: negEffect.power ?? 0,
+        powerPerLevel: negEffect.powerPerLevel ?? 0,
+        rounds: negEffect.rounds ?? 0,
+        direction: negEffect.direction ?? "offence",
+        calculation: negEffect.calculation ?? "static",
+        description: negEffect.description ?? "",
+        target: negEffect.target ?? "INHERIT",
+        friendlyFire: negEffect.friendlyFire,
+        staticAssetPath: negEffect.staticAssetPath ?? "",
+        staticAnimation: negEffect.staticAnimation ?? "",
+        appearAnimation: negEffect.appearAnimation ?? "",
+        disappearAnimation: negEffect.disappearAnimation ?? "",
+        timeTracker: negEffect.timeTracker,
+      } as const;
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-argument, @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-member-access
+      const newEffect = structuredClone(mirroredEffect) as unknown as UserEffect;
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-argument, @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call
+      usersEffects.push(newEffect);
+    });
+  }
+
+  return getInfo(
+    target,
+    effect,
+    `all negative effects on ${target.username} are mirrored to their opponent`,
+  );
+};
+
 export const weakness = (effect: UserEffect, target: BattleUserState) => {
   const { power } = getPower(effect);
   const mainCheck = Math.random() < power / 100;
diff --git a/app/src/libs/combat/types.ts b/app/src/libs/combat/types.ts
index ca4cf0d8..6017a570 100644
--- a/app/src/libs/combat/types.ts
+++ b/app/src/libs/combat/types.ts
@@ -329,6 +329,14 @@ export const DecreaseHealGivenTag = z.object({
   calculation: z.enum(["static", "percentage"]).default("percentage"),
 });
 
+export const MirrorTag = z.object({
+  ...BaseAttributes,
+  type: z.literal("mirror").default("mirror"),
+  description: msg("Applies all negative effects from the caster to the target"),
+  target: z.enum(BaseTagTargets).optional().default("INHERIT"),
+  direction: type("defence"),
+});
+
 export const IncreasePoolCostTag = z.object({
   ...BaseAttributes,
   ...PowerAttributes,
@@ -675,6 +683,7 @@ export const IncreaseMarriageSlots = z.object({
 /** UNIONS OF TAGS   **/
 /******************** */
 export const AllTags = z.union([
+  MirrorTag.default({}),
   AbsorbTag.default({}),
   BarrierTag.default({}),
   BuffPreventTag.default({}),

From 3ba8b0257eacdb45fea17fecc4da5e2df80e75ca Mon Sep 17 00:00:00 2001
From: openhands <openhands@all-hands.dev>
Date: Tue, 28 Jan 2025 16:39:34 +0000
Subject: [PATCH 2/2] Fix pr #340: Fix issue #336: Mirror

---
 app/src/libs/combat/tags.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/src/libs/combat/tags.ts b/app/src/libs/combat/tags.ts
index da8733a5..a3c61cd9 100644
--- a/app/src/libs/combat/tags.ts
+++ b/app/src/libs/combat/tags.ts
@@ -1555,7 +1555,7 @@ export const mirror = (
   if (!effect.isNew && !effect.castThisRound) {
     // Find all negative effects on the caster
     const negativeEffects = usersEffects.filter(
-      (e) => e.targetId === effect.userId && isNegativeUserEffect(e),
+      (e) => e.targetId === effect.creatorId && isNegativeUserEffect(e),
     );
 
     // Apply each negative effect to the target
@@ -1566,7 +1566,7 @@ export const mirror = (
         type: negEffect.type,
         id: nanoid(),
         targetId: effect.targetId,
-        userId: effect.userId,
+        creatorId: effect.creatorId,
         isNew: true,
         castThisRound: true,
         createdRound: effect.createdRound,