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

src/core/blitz/extractArmor.ts

@@ -58,10 +58,7 @@ export async function extractArmor(data: string, fileName: string) {
 
                 attributes.get(attribute)!.push(value);
 
-                if (
-                  attribute === VertexAttribute.HARD_JOINTINDEX &&
-                  value[0] !== -1
-                ) {
+                if (attribute === VertexAttribute.HARD_JOINTINDEX) {
                   hardJointIndices.add(value[0]);
                   vertexHardJointIndices.set(index, value[0]);
                 }

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 };
+}