From 84f950ade4e9bfc05a3dce85f8239d6cecec3081 Mon Sep 17 00:00:00 2001
From: tresabhi <43380238+tresabhi@users.noreply.github.com>
Date: Wed, 2 Sep 2026 16:32:46 -0500
Subject: [PATCH] fix tag0 assumption

---
 docs/changelogs/1.31.2.md                           |  3 +++
 package.json                                        |  2 +-
 .../src/blitzkit/api/server/1_tankDefinitions.ts    | 13 ++++++++++++-
 3 files changed, 16 insertions(+), 2 deletions(-)
 create mode 100644 docs/changelogs/1.31.2.md

diff --git a/docs/changelogs/1.31.2.md b/docs/changelogs/1.31.2.md
new file mode 100644
index 000000000..991358786
--- /dev/null
+++ b/docs/changelogs/1.31.2.md
@@ -0,0 +1,3 @@
+# BlitzKit 1.31.2
+
+This update fixes an issue that occurred with Wargaming chose to declare the class of a tank in the game code with a tag that isn't the first in the list.
diff --git a/package.json b/package.json
index 58a498833..f9457b0a7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "blitzkit",
-  "version": "1.31.1",
+  "version": "1.31.2",
   "license": "BlitzKit License",
   "private": true,
   "scripts": {
diff --git a/packages/core/src/blitzkit/api/server/1_tankDefinitions.ts b/packages/core/src/blitzkit/api/server/1_tankDefinitions.ts
index 9269a4900..3e894b43d 100644
--- a/packages/core/src/blitzkit/api/server/1_tankDefinitions.ts
+++ b/packages/core/src/blitzkit/api/server/1_tankDefinitions.ts
@@ -339,6 +339,17 @@ export abstract class ServerBlitzKitAPI1 extends ServerBlitzKitAPI0 {
           equalizer = { health, penetration, module_health, damage, armor };
         }
 
+        const blitzTankClass = tankTags.find(
+          (tag) => tag in this.blitzTankClassToBlitzkit,
+        );
+
+        if (blitzTankClass === undefined) {
+          throw new Error(`Unknown tank class for ${nation}:${tankKey}`);
+        }
+
+        const tankClass =
+          this.blitzTankClassToBlitzkit[blitzTankClass as BlitzTankClass];
+
         tankDefinitions.tanks[tankId] = {
           ancestors: [],
           successors: [],
@@ -368,7 +379,7 @@ export abstract class ServerBlitzKitAPI1 extends ServerBlitzKitAPI0 {
               ? TankType.TANK_TYPE_PREMIUM
               : TankType.TANK_TYPE_RESEARCHABLE,
           tier: tank.level,
-          class: this.blitzTankClassToBlitzkit[tankTags[0] as BlitzTankClass],
+          class: tankClass,
           testing: tankTags.includes("testTank"),
           deprecated: tankTags.includes("deprecated"),
           price: tankPrice,