diff --git a/Runtime/Audio/CSfxManager.cpp b/Runtime/Audio/CSfxManager.cpp
index 9af9496f6..a0365c7f8 100644
--- a/Runtime/Audio/CSfxManager.cpp
+++ b/Runtime/Audio/CSfxManager.cpp
@@ -177,15 +177,21 @@ u16 CSfxManager::CSfxEmitterWrapper::GetSfxId() const
 
 void CSfxManager::CSfxEmitterWrapper::UpdateEmitterSilent()
 {
-    x50_emitterHandle->setVectors(x24_parmData.x0_pos.v, x24_parmData.xc_dir.v);
-    x50_emitterHandle->setMaxVol(1.f / 127.f);
+    if (x50_emitterHandle)
+    {
+        x50_emitterHandle->setVectors(x24_parmData.x0_pos.v, x24_parmData.xc_dir.v);
+        x50_emitterHandle->setMaxVol(1.f / 127.f);
+    }
     x55_cachedMaxVol = x24_parmData.x26_maxVol;
 }
 
 void CSfxManager::CSfxEmitterWrapper::UpdateEmitter()
 {
-    x50_emitterHandle->setVectors(x24_parmData.x0_pos.v, x24_parmData.xc_dir.v);
-    x50_emitterHandle->setMaxVol(x55_cachedMaxVol);
+    if (x50_emitterHandle)
+    {
+        x50_emitterHandle->setVectors(x24_parmData.x0_pos.v, x24_parmData.xc_dir.v);
+        x50_emitterHandle->setMaxVol(x55_cachedMaxVol);
+    }
 }
 
 void CSfxManager::CSfxEmitterWrapper::SetReverb(float rev)
diff --git a/Runtime/Camera/CGameCamera.cpp b/Runtime/Camera/CGameCamera.cpp
index 9fda232c1..e1d73d8c7 100644
--- a/Runtime/Camera/CGameCamera.cpp
+++ b/Runtime/Camera/CGameCamera.cpp
@@ -79,8 +79,7 @@ zeus::CTransform CGameCamera::ValidateCameraTransform(const zeus::CTransform& a,
     if ((a.rightVector().magnitude() - 1.f) >= epsilon || (a.frontVector().magnitude() - 1.f) >= epsilon ||
         (a.upVector().magnitude() - 1.f) >= epsilon)
         xfCpy.orthonormalize();
-    float f2 =  zeus::CVector3f::skUp.x + a.upVector().x * a.upVector().y * a.upVector().z *
-                zeus::CVector3f::skUp.y + zeus::CVector3f::skUp.z;
+    float f2 = a.basis[1].dot(zeus::CVector3f::skUp);
     if (std::fabs(f2) > 1.0f)
         f2 = (f2 >= -0.f ? -1.0f : 1.0f);
     if (std::fabs(f2) > 0.999f)
@@ -89,7 +88,7 @@ zeus::CTransform CGameCamera::ValidateCameraTransform(const zeus::CTransform& a,
     if (xfCpy.upVector().z < -0.2f)
         xfCpy = zeus::CQuaternion::fromAxisAngle(xfCpy.frontVector(), M_PIF).toTransform() * xfCpy;
 
-    if (std::fabs(xfCpy.rightVector().z - 0.f) >= 0.000009f && std::fabs(xfCpy.upVector().z - 0.f) > 0.000009f)
+    if (std::fabs(xfCpy.rightVector().z) >= 0.000009f && std::fabs(xfCpy.upVector().z) > 0.000009f)
     {
         if (xfCpy.frontVector().canBeNormalized())
             xfCpy = zeus::lookAt(zeus::CUnitVector3f(xfCpy.frontVector(), true), zeus::CVector3f::skZero);
diff --git a/Runtime/Character/CGroundMovement.cpp b/Runtime/Character/CGroundMovement.cpp
index 272cf9495..bf89c7c87 100644
--- a/Runtime/Character/CGroundMovement.cpp
+++ b/Runtime/Character/CGroundMovement.cpp
@@ -594,8 +594,8 @@ void CGroundMovement::MoveGroundCollider_New(CStateManager& mgr, CPhysicsActor&
             result.x8_collision.emplace(collisionInfo);
         }
 
-        if (!result.x8_collision->IsValid() ||
-            !CGameCollision::CanBlock(result.x8_collision->GetMaterialLeft(), result.x8_collision->GetNormalLeft()))
+        if (!collisionInfo.IsValid() ||
+            !CGameCollision::CanBlock(collisionInfo.GetMaterialLeft(), collisionInfo.GetNormalLeft()))
         {
             if (zOffset > 0.f)
             {
@@ -603,7 +603,7 @@ void CGroundMovement::MoveGroundCollider_New(CStateManager& mgr, CPhysicsActor&
                 xf.origin -= zeus::CVector3f(0.f, 0.f, zOffset);
             }
 
-            if (result.x8_collision->IsValid())
+            if (collisionInfo.IsValid())
                 player.x9c5_28_slidingOnWall = true;
             CheckFalling(actor, mgr, dt);
             player.SetLastFloorPlaneNormal({});
@@ -615,8 +615,8 @@ void CGroundMovement::MoveGroundCollider_New(CStateManager& mgr, CPhysicsActor&
             actor.SetTranslation(actor.GetTranslation() - zeus::CVector3f(0.f, 0.f, stepDown));
             if (TCastToPtr<CScriptPlatform> plat = mgr.ObjectById(id))
                 mgr.SendScriptMsg(plat.GetPtr(), actor.GetUniqueId(), EScriptObjectMessage::AddPlatformRider);
-            CGameCollision::SendMaterialMessage(mgr, result.x8_collision->GetMaterialLeft(), actor);
-            actor.SetLastFloorPlaneNormal({result.x8_collision->GetNormalLeft()});
+            CGameCollision::SendMaterialMessage(mgr, collisionInfo.GetMaterialLeft(), actor);
+            actor.SetLastFloorPlaneNormal({collisionInfo.GetNormalLeft()});
         }
     }
 
diff --git a/Runtime/Collision/CMaterialList.hpp b/Runtime/Collision/CMaterialList.hpp
index bb9b89d95..206373c4d 100644
--- a/Runtime/Collision/CMaterialList.hpp
+++ b/Runtime/Collision/CMaterialList.hpp
@@ -77,23 +77,23 @@ public:
     CMaterialList(u64 flags) : x0_list(flags) {}
     CMaterialList(EMaterialTypes t1, EMaterialTypes t2, EMaterialTypes t3, EMaterialTypes t4, EMaterialTypes t5, EMaterialTypes t6)
         : CMaterialList(t1, t2, t3, t4, t5)
-    { x0_list = 1ull << u64(t6); }
+    { x0_list |= 1ull << u64(t6); }
 
     CMaterialList(EMaterialTypes t1, EMaterialTypes t2, EMaterialTypes t3, EMaterialTypes t4, EMaterialTypes t5)
         : CMaterialList(t1, t2, t3, t4)
-    { x0_list = 1ull << u64(t5); }
+    { x0_list |= 1ull << u64(t5); }
 
     CMaterialList(EMaterialTypes t1, EMaterialTypes t2, EMaterialTypes t3, EMaterialTypes t4)
         : CMaterialList(t1, t2, t3)
-    { x0_list = 1ull << u64(t4); }
+    { x0_list |= 1ull << u64(t4); }
 
     CMaterialList(EMaterialTypes t1, EMaterialTypes t2, EMaterialTypes t3)
         : CMaterialList(t1, t2)
-    { x0_list = 1ull << u64(t3); }
+    { x0_list |= 1ull << u64(t3); }
 
     CMaterialList(EMaterialTypes t1, EMaterialTypes t2)
         : CMaterialList(t1)
-    { x0_list = 1ull << u64(t2); }
+    { x0_list |= 1ull << u64(t2); }
 
     CMaterialList(EMaterialTypes t1)
         : x0_list(1ull << u64(t1))
diff --git a/Runtime/World/CPhysicsActor.cpp b/Runtime/World/CPhysicsActor.cpp
index 6431d9560..7ba600b60 100644
--- a/Runtime/World/CPhysicsActor.cpp
+++ b/Runtime/World/CPhysicsActor.cpp
@@ -105,6 +105,7 @@ void CPhysicsActor::AddMotionState(const CMotionState& mst)
     SetTranslation(x34_transform.origin + mst.x0_translation);
 
     xfc_constantForce += mst.x1c_velocity;
+    x108_angularMomentum += mst.x28_angularMomentum;
 
     ComputeDerivedQuantities();
 }
diff --git a/Runtime/World/CScriptTrigger.cpp b/Runtime/World/CScriptTrigger.cpp
index 7f2729203..8a4eedec3 100644
--- a/Runtime/World/CScriptTrigger.cpp
+++ b/Runtime/World/CScriptTrigger.cpp
@@ -184,7 +184,7 @@ void CScriptTrigger::UpdateInhabitants(float dt, CStateManager& mgr)
         }
     }
 
-    if ((x12c_flags & ETriggerFlags::DetectPlayerIfInside) != ETriggerFlags::None || x148_24_playerInside)
+    if ((x12c_flags & ETriggerFlags::DetectCamera) != ETriggerFlags::None || x148_24_detectCamera)
     {
         CGameCamera* cam = mgr.GetCameraManager()->GetCurrentCamera(mgr);
         bool camInTrigger = GetTriggerBoundsWR().pointInside(cam->GetTranslation());
@@ -193,7 +193,7 @@ void CScriptTrigger::UpdateInhabitants(float dt, CStateManager& mgr)
             if (!camInTrigger)
             {
                 x148_25_camSubmerged = false;
-                if ((x12c_flags & ETriggerFlags::DetectPlayerIfInside) != ETriggerFlags::None)
+                if ((x12c_flags & ETriggerFlags::DetectCamera) != ETriggerFlags::None)
                 {
                     sendExited = true;
                     InhabitantExited(*cam, mgr);
@@ -201,7 +201,7 @@ void CScriptTrigger::UpdateInhabitants(float dt, CStateManager& mgr)
             }
             else
             {
-                if ((x12c_flags & ETriggerFlags::DetectPlayerIfInside) != ETriggerFlags::None)
+                if ((x12c_flags & ETriggerFlags::DetectCamera) != ETriggerFlags::None)
                 {
                     InhabitantIdle(*cam, mgr);
                     sendInside = true;
@@ -213,10 +213,10 @@ void CScriptTrigger::UpdateInhabitants(float dt, CStateManager& mgr)
             if (camInTrigger)
             {
                 x148_25_camSubmerged = true;
-                if ((x12c_flags & ETriggerFlags::DetectPlayerIfInside) != ETriggerFlags::None)
+                if ((x12c_flags & ETriggerFlags::DetectCamera) != ETriggerFlags::None)
                 {
                     InhabitantAdded(*cam, mgr);
-                    SendScriptMsgs(EScriptObjectState::Entered, mgr, EScriptObjectMessage::Activate);
+                    //SendScriptMsgs(EScriptObjectState::Entered, mgr, EScriptObjectMessage::Activate);
                 }
             }
         }
@@ -224,12 +224,12 @@ void CScriptTrigger::UpdateInhabitants(float dt, CStateManager& mgr)
 
     if (sendInside)
     {
-        SendScriptMsgs(EScriptObjectState::Inside, mgr, EScriptObjectMessage::Activate);
+        //SendScriptMsgs(EScriptObjectState::Inside, mgr, EScriptObjectMessage::Activate);
     }
 
     if (sendExited)
     {
-        SendScriptMsgs(EScriptObjectState::Exited, mgr, EScriptObjectMessage::Activate);
+        //SendScriptMsgs(EScriptObjectState::Exited, mgr, EScriptObjectMessage::Activate);
         if (x148_27_deactivateOnExited)
         {
             mgr.SendScriptMsg(GetUniqueId(), mgr.GetEditorIdForUniqueId(GetUniqueId()),
@@ -318,7 +318,7 @@ void CScriptTrigger::Touch(CActor& act, CStateManager& mgr)
                 }
             }
 
-            SendScriptMsgs(EScriptObjectState::Entered, mgr, EScriptObjectMessage::None);
+            //SendScriptMsgs(EScriptObjectState::Entered, mgr, EScriptObjectMessage::None);
 
             if (x148_26_deactivateOnEntered)
             {
diff --git a/Runtime/World/CScriptTrigger.hpp b/Runtime/World/CScriptTrigger.hpp
index 03d672fd2..9bd0c57c2 100644
--- a/Runtime/World/CScriptTrigger.hpp
+++ b/Runtime/World/CScriptTrigger.hpp
@@ -25,7 +25,7 @@ enum class ETriggerFlags : u32
     KillOnEnter = (1 << 11),
     DetectMorphedPlayer = (1 << 12),
     UseCollisionImpulses = (1 << 13),
-    DetectPlayerIfInside = (1 << 14),
+    DetectCamera = (1 << 14),
     UseBooleanIntersection = (1 << 15),
     DetectUnmorphedPlayer = (1 << 16),
     BlockEnvironmentalEffects = (1 << 17)
@@ -57,7 +57,7 @@ protected:
     union {
         struct
         {
-            bool x148_24_playerInside : 1;
+            bool x148_24_detectCamera : 1;
             bool x148_25_camSubmerged : 1;
             bool x148_26_deactivateOnEntered : 1;
             bool x148_27_deactivateOnExited : 1;
diff --git a/Runtime/World/CScriptWater.cpp b/Runtime/World/CScriptWater.cpp
index ac7f19376..13363af09 100644
--- a/Runtime/World/CScriptWater.cpp
+++ b/Runtime/World/CScriptWater.cpp
@@ -86,7 +86,7 @@ CScriptWater::CScriptWater(CStateManager& mgr, TUniqueId uid, std::string_view n
     x90_actorLights->SetCastShadows(false);
     x90_actorLights->SetAmbientChannelOverflow(false);
     x90_actorLights->SetFindNearestDynamicLights(true);
-    x148_24_playerInside = true;
+    x148_24_detectCamera = true;
     CalculateRenderBounds();
     xe6_27_renderVisorFlags = u8(thermalCold ? 2 : 1);
     if (!x30_24_active)
diff --git a/amuse b/amuse
index b890a76e2..89233e98b 160000
--- a/amuse
+++ b/amuse
@@ -1 +1 @@
-Subproject commit b890a76e2048ba7ae781af0bfb8fdf2e7ab159f9
+Subproject commit 89233e98b59e6e720641af2f6d5f2d29f9c79864
diff --git a/hecl b/hecl
index b8043f636..97c3a4918 160000
--- a/hecl
+++ b/hecl
@@ -1 +1 @@
-Subproject commit b8043f6369bd2057112cc77df5d9ad9652995489
+Subproject commit 97c3a4918e32015988328fda625a46e925fa2764