Release Healer Man 0.1.11

src/game/partyNavigation.ts

@@ -48,6 +48,8 @@ export interface PartyNavigationGraph {
 
 export interface PartyNavigationBuildOptions {
   readonly weldTolerance?: number;
+  /** Defensive runtime ceiling; checked before graph allocations begin. */
+  readonly maxSourceTriangles?: number;
   readonly offMeshLinks?: readonly {
     readonly start: PartyNavigationPosition;
     readonly end: PartyNavigationPosition;
@@ -241,6 +243,24 @@ export function buildPartyNavigationGraph(
   if (indexCount < 3 || indexCount % 3 !== 0) {
     throw new Error("Party navigation geometry must contain complete triangles.");
   }
+  const sourceTriangleCount = indexCount / 3;
+  if (
+    options.maxSourceTriangles !== undefined
+    && (
+      !Number.isInteger(options.maxSourceTriangles)
+      || options.maxSourceTriangles <= 0
+    )
+  ) {
+    throw new Error("Party navigation maximum source triangles must be a positive integer.");
+  }
+  if (
+    options.maxSourceTriangles !== undefined
+    && sourceTriangleCount > options.maxSourceTriangles
+  ) {
+    throw new Error(
+      `Party navigation geometry has ${sourceTriangleCount} triangles; maximum is ${options.maxSourceTriangles}.`,
+    );
+  }
 
   const sourceToWelded = new Int32Array(position.count);
   const welded: MutableWeldedNode[] = [];
@@ -418,7 +438,7 @@ export function buildPartyNavigationGraph(
     }),
     weldTolerance: tolerance,
     sourceVertexCount: position.count,
-    sourceTriangleCount: indexCount / 3,
+    sourceTriangleCount,
     weldedNodeCount: welded.length,
     componentCount: components.length,
     discardedNodeCount: welded.length - nodes.length,