Added cleaned up structs and classes to proper header files.

source/engine/sound/occlusion/soundrouting.h

@@ -0,0 +1,19 @@
+#pragma once
+
+// Reconstructed C++ declarations from IDA Local Types and PDB/DIA metadata.
+// Original PDB header: w:\tech5\engine\sound\occlusion\soundrouting.h
+// Recovered logical types: 1
+// Signatures retain Xbox 360 ABI evidence and may still require manual review.
+
+
+// IDA Local Type ordinal 13711; PDB kind: struct.
+struct soundRoutingParms_t
+{
+  int *route;
+  flatSoundBSP_t flatBSP;
+  int numAreas;
+  int listenerAreaNum;
+  idVec3 listenerOrigin;
+  unsigned __int8 *temp;
+  int tempSize;
+};