2 files changed, 35 insertions, 2 deletions
diff --git a/include/d/a/obj/d_a_obj_base.h b/include/d/a/obj/d_a_obj_base.h
index ed6d5abd..1f074499 100644
--- a/include/d/a/obj/d_a_obj_base.h
+++ b/include/d/a/obj/d_a_obj_base.h
@@ -81,9 +81,9 @@ public:
     /* 8002f190 */ void createChildAttached2(fProfile::PROFILE_NAME_e actorId, u32 params1, mVec3_c *pos, mAng3_c *rot,
             mVec3_c *scale, u32 params2, u32 roomId);
     // These may not belong here
-    /* 8002f1c0 */ static dAcBase_c createActorUnkGroup3(fProfile::PROFILE_NAME_e actorId, u32 roomId, u32 params1,
+    /* 8002f1c0 */ static dAcBase_c *createActorUnkGroup3(fProfile::PROFILE_NAME_e actorId, u32 roomId, u32 params1,
             mVec3_c *pos, mAng3_c *rot, mVec3_c *scale, u32 params2);
-    /* 8002f260 */ static dAcBase_c createActorUnkGroup3(char *name, u32 roomId, u32 params1, mVec3_c *pos,
+    /* 8002f260 */ static dAcBase_c *createActorUnkGroup3(char *name, u32 roomId, u32 params1, mVec3_c *pos,
             mAng3_c *rot, mVec3_c *scale, u32 params2, u16 id, u8 viewclipId);
 };
 
diff --git a/include/d/tg/d_t_sound_area.h b/include/d/tg/d_t_sound_area.h
new file mode 100644
index 00000000..949249c7
--- /dev/null
+++ b/include/d/tg/d_t_sound_area.h
@@ -0,0 +1,33 @@
+#ifndef D_T_SOUND_AREA_H
+#define D_T_SOUND_AREA_H
+
+#include <d/tg/d_tg.h>
+#include <m/m_vec.h>
+#include <m/m_mtx.h>
+#include <toBeSorted/actor_on_rail.h>
+
+class dTgSndAr_c : public dTg_c {
+public:
+    dTgSndAr_c() {}
+    virtual ~dTgSndAr_c() {}
+    virtual int draw() override;
+    virtual int actorExecute() override;
+    virtual int doDelete() override;
+    virtual int create() override;
+
+private:
+    int getTypeFromParams() {
+        return params >> 0x1C;
+    }
+    bool checkPosInArea(mVec3_c &pos);
+
+    bool checkAlg0(mVec3_c &pos);
+    bool checkAlg1(mVec3_c &pos);
+    bool checkAlg2(mVec3_c &pos);
+    bool checkAlg3(mVec3_c &pos);
+
+    mMtx_c mtx;
+    ActorOnRail mRail;
+};
+
+#endif