A bit of source manager maybe

src/d/snd/d_snd_source_mgr.cpp

@@ -0,0 +1,41 @@
+#include "d/snd/d_snd_source_mgr.h"
+
+#include "common.h"
+#include "d/snd/d_snd_source.h"
+#include "nw4r/ut/ut_list.h"
+
+#include <cmath>
+
+SND_DISPOSER_DEFINE(dSndSourceMgr_c);
+
+dSndSourceMgr_c::dSndSourceMgr_c()
+    : field_0x0010(0),
+      field_0x0011(0),
+      field_0x0012(0),
+      field_0x0013(0),
+      field_0x3860(0),
+      field_0x3864(0),
+      field_0x3868(0),
+      field_0x386C(INFINITY),
+      mpPlayerSource(nullptr),
+      mpFiTalkSource(nullptr),
+      field_0x3878(nullptr),
+      field_0x387C(nullptr),
+      field_0x3880(nullptr),
+      field_0x3884(nullptr) {
+    // TODO offsetof
+    nw4r::ut::List_Init(&mGroupList1, 0);
+    nw4r::ut::List_Init(&mGroupList2, 0);
+
+    // TODO figure out what these are for
+    nw4r::ut::List_Init(&mGroupList3, 8);
+    nw4r::ut::List_Init(&mSourceList1, 0xE8);
+    nw4r::ut::List_Init(&field_0x3848, 0x15C);
+    nw4r::ut::List_Init(&field_0x3854, 0x160);
+
+    mpDefaultGroup = new dSndSourceGroup_c(-1, "Default", 0, 0);
+
+    for (dSndSourceGroup_c *group = &mGroups[0]; group < &mGroups[NUM_GROUPS]; group++) {
+        nw4r::ut::List_Append(&mGroupList2, group);
+    }
+}