diff --git a/configure.py b/configure.py
index 1fc4670f..66ecdca8 100755
--- a/configure.py
+++ b/configure.py
@@ -33,6 +33,7 @@ COMPLETE_OBJECTS = [
     "MetroidPrime/ScriptObjects/CScriptDebugCameraWaypoint",
     "MetroidPrime/ScriptObjects/CScriptPickup",
     "MetroidPrime/ScriptObjects/CScriptSwitch",
+    "MetroidPrime/CIOWin",
     "Weapons/IWeaponRenderer",
     "Collision/CMaterialList",
     "Collision/CMaterialFilter",
diff --git a/include/Kyoto/Particles/CGenDescription.hpp b/include/Kyoto/Particles/CGenDescription.hpp
new file mode 100644
index 00000000..898ce7ca
--- /dev/null
+++ b/include/Kyoto/Particles/CGenDescription.hpp
@@ -0,0 +1,12 @@
+#ifndef __CGENDESCRIPTION_HPP__
+#define __CGENDESCRIPTION_HPP__
+
+class CGenDescription {
+public:
+  CGenDescription();
+  ~CGenDescription();
+private:
+  char data[0x12c];
+};
+
+#endif // __CGENDESCRIPTION_HPP__
diff --git a/include/MetroidPrime/CIOWin.hpp b/include/MetroidPrime/CIOWin.hpp
index e55f1dab..36030130 100644
--- a/include/MetroidPrime/CIOWin.hpp
+++ b/include/MetroidPrime/CIOWin.hpp
@@ -17,11 +17,14 @@ public:
     kMR_RemoveIOWin = 3,
   };
 
+  CIOWin(const rstl::string& name);
   virtual ~CIOWin();
+
+  const rstl::string& GetName() const;
   virtual EMessageReturn OnMessage(const CArchitectureMessage&, CArchitectureQueue&) = 0;
   virtual bool GetIsContinueDraw() const;
-  virtual void Draw();
-  virtual void PreDraw();
+  virtual void Draw() const;
+  virtual void PreDraw() const;
 
 private:
   rstl::string x4_name;
diff --git a/obj_files.mk b/obj_files.mk
index 1a77448e..fb91fb97 100644
--- a/obj_files.mk
+++ b/obj_files.mk
@@ -34,7 +34,7 @@ METROIDPRIME :=\
 	$(BUILD_DIR)/asm/MetroidPrime/CArchMsgParmReal32.o\
 	$(BUILD_DIR)/asm/MetroidPrime/Decode.o\
 	$(BUILD_DIR)/asm/MetroidPrime/CIOWinManager.o\
-	$(BUILD_DIR)/asm/MetroidPrime/CIOWin.o\
+	$(BUILD_DIR)/src/MetroidPrime/CIOWin.o\
 	$(BUILD_DIR)/asm/MetroidPrime/CActor.o\
 	$(BUILD_DIR)/asm/MetroidPrime/CWorld.o\
 	$(BUILD_DIR)/asm/MetroidPrime/Tweaks/CTweakParticle.o\
diff --git a/src/MetroidPrime/CIOWin.cpp b/src/MetroidPrime/CIOWin.cpp
new file mode 100644
index 00000000..8f3876fe
--- /dev/null
+++ b/src/MetroidPrime/CIOWin.cpp
@@ -0,0 +1,13 @@
+#include "MetroidPrime/CIOWin.hpp"
+
+CIOWin::CIOWin(const rstl::string& name) : x4_name(name) {}
+
+CIOWin::~CIOWin() {}
+
+const rstl::string& CIOWin::GetName() const { return x4_name; }
+
+bool CIOWin::GetIsContinueDraw() const { return true; }
+
+void CIOWin::Draw() const {}
+
+void CIOWin::PreDraw() const {}