fix: negative hard joint handling... correctly this time

src/core/blitzkrieg/nameToArmorId.ts

@@ -1,5 +1,5 @@
 export function nameToArmorId(name: string) {
-  const match = name.match(/.+_armor_(\d+)/);
+  const match = name.match(/.+_armor_(-?\d+)/);
   const group1 = match![1];
 
   return parseInt(group1);

src/core/blitzkrieg/resolveThickness.ts

@@ -0,0 +1,8 @@
+import { ModelArmor } from './modelDefinitions';
+
+export function resolveArmor(armor: ModelArmor, index: number) {
+  const spaced = armor.spaced?.includes(index) ?? false;
+  const thickness = index === -1 ? 0 : armor.thickness[index] ?? 0;
+
+  return { spaced, thickness };
+}