diff --git a/Runtime/Collision/CCollisionActorManager.cpp b/Runtime/Collision/CCollisionActorManager.cpp
index 63316d683..e31af3e69 100644
--- a/Runtime/Collision/CCollisionActorManager.cpp
+++ b/Runtime/Collision/CCollisionActorManager.cpp
@@ -1,4 +1,8 @@
 #include "CCollisionActorManager.hpp"
+#include "TCastTo.hpp"
+#include "World/CActor.hpp"
+#include "CStateManager.hpp"
+#include "CMaterialList.hpp"
 
 namespace urde
 {
@@ -8,6 +12,22 @@ CCollisionActorManager::CCollisionActorManager(CStateManager&, TUniqueId, TAreaI
 {
 }
 
+void CCollisionActorManager::SetActive(CStateManager&, bool)
+{
+
+}
+
+void CCollisionActorManager::AddMaterial(CStateManager& mgr, const CMaterialList& list)
+{
+    for (const CJointCollisionDescription& jDesc : x0_jointDescriptions)
+    {
+        TCastToPtr<CActor> act(mgr.ObjectById(jDesc.GetCollisionActorId()));
+
+        if (act)
+            act->AddMaterial(list);
+    }
+}
+
 u32 CCollisionActorManager::GetNumCollisionActors() const
 {
     return x0_jointDescriptions.size();
diff --git a/Runtime/Collision/CCollisionActorManager.hpp b/Runtime/Collision/CCollisionActorManager.hpp
index 056f5a0a7..2e2d34473 100644
--- a/Runtime/Collision/CCollisionActorManager.hpp
+++ b/Runtime/Collision/CCollisionActorManager.hpp
@@ -7,6 +7,7 @@
 
 namespace urde
 {
+class CMaterialList;
 class CAnimData;
 class CCollisionActor;
 class CStateManager;
@@ -27,6 +28,7 @@ public:
     void Update(float, CStateManager&, EUpdateOptions) const;
     void Destroy(CStateManager&) const;
     void SetActive(CStateManager&, bool);
+    void AddMaterial(CStateManager&, const CMaterialList&);
 
     u32 GetNumCollisionActors() const;
     CJointCollisionDescription GetCollisionDescFromIndex(u32) const;
diff --git a/Runtime/Collision/CJointCollisionDescription.cpp b/Runtime/Collision/CJointCollisionDescription.cpp
index 36fe9fe77..536c669b7 100644
--- a/Runtime/Collision/CJointCollisionDescription.cpp
+++ b/Runtime/Collision/CJointCollisionDescription.cpp
@@ -8,4 +8,6 @@ CJointCollisionDescription::CJointCollisionDescription(ECollisionType, CSegId, C
                                                        const std::string&, float)
 {
 }
+
+
 }
diff --git a/Runtime/Collision/CJointCollisionDescription.hpp b/Runtime/Collision/CJointCollisionDescription.hpp
index eb20f6a0a..bcf8d8383 100644
--- a/Runtime/Collision/CJointCollisionDescription.hpp
+++ b/Runtime/Collision/CJointCollisionDescription.hpp
@@ -27,18 +27,19 @@ private:
     zeus::CVector3f x18_;
     float x24_;
     float x28_;
-    std::string x2c_;
-    TUniqueId x3c_;
+    std::string x2c_name;
+    TUniqueId x3c_actorId;
     float x40_;
+
 public:
     CJointCollisionDescription(ECollisionType, CSegId, CSegId, const zeus::CVector3f&, const zeus::CVector3f&, float,
                                float, EOrientationType, const std::string&, float);
-    const std::string& GetName() const;
-    void GetCollisionActorId() const;
+    const std::string& GetName() const { return x2c_name; }
+    TUniqueId GetCollisionActorId() const { return x3c_actorId; }
     void SphereSubdivideCollision(ECollisionType, CSegId, CSegId, float, float, EOrientationType, const std::string&,
                                   float);
     void SphereCollision(CSegId, float, const std::string&, float);
-    void AABoxCollision(CSegId, zeus::CVector3f const &, const std::string&, float);
+    void AABoxCollision(CSegId, zeus::CVector3f const&, const std::string&, float);
     void OBBAutoSizeCollision(CSegId, CSegId, const zeus::CVector3f&, EOrientationType, const std::string&, float);
     void OBBCollision(CSegId, const zeus::CVector3f&, const zeus::CVector3f&, const std::string&, float);
     zeus::CVector3f GetPivotPoint() const;
diff --git a/Runtime/Collision/CMaterialList.hpp b/Runtime/Collision/CMaterialList.hpp
index 32069a195..bec7210f4 100644
--- a/Runtime/Collision/CMaterialList.hpp
+++ b/Runtime/Collision/CMaterialList.hpp
@@ -109,6 +109,11 @@ public:
         x0_list |= (1ull << u32(type));
     }
 
+    void Add(const CMaterialList& l)
+    {
+        x0_list |= l.x0_list;
+    }
+
     void Remove(EMaterialTypes type)
     {
         x0_list &= ~(1ull << u32(type));
diff --git a/Runtime/World/CActor.cpp b/Runtime/World/CActor.cpp
index 27577ab05..0d6eaf1e4 100644
--- a/Runtime/World/CActor.cpp
+++ b/Runtime/World/CActor.cpp
@@ -215,6 +215,11 @@ void CActor::AddMaterial(EMaterialTypes type, CStateManager& mgr)
     mgr.UpdateObjectInLists(*this);
 }
 
+void CActor::AddMaterial(const CMaterialList& l)
+{
+    x68_material.Add(l);
+}
+
 void CActor::CreateShadow(bool b)
 {
     if (b)
diff --git a/Runtime/World/CActor.hpp b/Runtime/World/CActor.hpp
index 707910d86..99b2a7cf0 100644
--- a/Runtime/World/CActor.hpp
+++ b/Runtime/World/CActor.hpp
@@ -133,6 +133,7 @@ public:
     void AddMaterial(EMaterialTypes, EMaterialTypes, EMaterialTypes, CStateManager&);
     void AddMaterial(EMaterialTypes, EMaterialTypes, CStateManager&);
     void AddMaterial(EMaterialTypes, CStateManager&);
+    void AddMaterial(const CMaterialList& l);
 
     void CreateShadow(bool);
     void SetCallTouch(bool callTouch);