fix: alpha clipping

packages/core/src/streams/bufferToBigInt.ts

@@ -0,0 +1,3 @@
+export function bufferToBigInt(buffer: ArrayBuffer) {
+  return new DataView(buffer).getBigUint64(0, true);
+}

packages/core/src/streams/index.ts

@@ -1,4 +1,5 @@
 export * from './buffer';
+export * from './bufferToBigInt';
 export * from './dds';
 export * from './dids';
 export * from './pvr';
@@ -7,3 +8,4 @@ export * from './sc2';
 export * from './scg';
 export * from './scpg';
 export * from './windows';
+