diff --git a/DataSpec/DNAMP1/MREA.cpp b/DataSpec/DNAMP1/MREA.cpp
index cee21176b..23b980fe2 100644
--- a/DataSpec/DNAMP1/MREA.cpp
+++ b/DataSpec/DNAMP1/MREA.cpp
@@ -811,7 +811,7 @@ bool MREA::CookPath(const hecl::ProjectPath& outPath,
     PATH::UnknownStruct& s = path.unkStructs.back();
     s.unk1 = 1;
     s.unk2[0] = atVec3f{FLT_MAX, FLT_MAX, FLT_MAX};
-    s.unk2[1] = atVec3f{FLT_MIN, FLT_MIN, FLT_MIN};
+    s.unk2[1] = atVec3f{-FLT_MAX, -FLT_MAX, -FLT_MAX};
     s.unk2[2] = atVec3f{0.f, 0.f, 0.f};
     for (int i=0 ; i<8 ; ++i)
         s.unk3[i] = ~0;
diff --git a/Runtime/AutoMapper/CMapWorld.cpp b/Runtime/AutoMapper/CMapWorld.cpp
index 2a27b6a43..070de1d4a 100644
--- a/Runtime/AutoMapper/CMapWorld.cpp
+++ b/Runtime/AutoMapper/CMapWorld.cpp
@@ -741,7 +741,7 @@ void CMapWorld::RecalculateWorldSphere(const CMapWorldInfo& mwInfo, const IWorld
     std::vector<zeus::CVector2f> coords;
     coords.reserve(x0_areas.size() * 8);
     float zMin = FLT_MAX;
-    float zMax = FLT_MIN;
+    float zMax = -FLT_MAX;
     for (int i=0 ; i<x0_areas.size() ; ++i)
     {
         if (IsMapAreaValid(wld, i, true))
diff --git a/Runtime/Collision/CAreaOctTree.cpp b/Runtime/Collision/CAreaOctTree.cpp
index 7886fa142..867de0583 100644
--- a/Runtime/Collision/CAreaOctTree.cpp
+++ b/Runtime/Collision/CAreaOctTree.cpp
@@ -17,6 +17,8 @@ static bool BoxLineTest(const zeus::CAABox& aabb, const zeus::CLine& line, float
     const float* aabbMax = &aabb.max.x;
     const float* lorigin = &line.origin.x;
     const float* ldir = &line.dir.x;
+    lT = -FLT_MAX;
+    hT = FLT_MAX;
 
     for (int i=0 ; i<3 ; ++i)
     {
@@ -27,16 +29,16 @@ static bool BoxLineTest(const zeus::CAABox& aabb, const zeus::CLine& line, float
         if (*ldir < 0.f)
         {
             if (*aabbMax - *lorigin < lT * *ldir)
-                lT = *aabbMax - *lorigin * 1.f / *ldir;
+                lT = (*aabbMax - *lorigin) * 1.f / *ldir;
             if (*aabbMin - *lorigin > hT * *ldir)
-                hT = *aabbMin - *lorigin * 1.f / *ldir;
+                hT = (*aabbMin - *lorigin) * 1.f / *ldir;
         }
         else
         {
             if (*aabbMin - *lorigin > lT * *ldir)
-                lT = *aabbMin - *lorigin * 1.f / *ldir;
+                lT = (*aabbMin - *lorigin) * 1.f / *ldir;
             if (*aabbMax - *lorigin < hT * *ldir)
-                hT = *aabbMax - *lorigin * 1.f / *ldir;
+                hT = (*aabbMax - *lorigin) * 1.f / *ldir;
         }
 
         ++aabbMin;
diff --git a/Runtime/Collision/CGameCollision.cpp b/Runtime/Collision/CGameCollision.cpp
index 2ec04d654..aa7885b1b 100644
--- a/Runtime/Collision/CGameCollision.cpp
+++ b/Runtime/Collision/CGameCollision.cpp
@@ -381,12 +381,14 @@ CGameCollision::RayWorldIntersection(const CStateManager& mgr, TUniqueId& idOut,
     CRayCastResult staticRes = RayStaticIntersection(mgr, pos, dir, mag, filter);
     CRayCastResult dynamicRes = RayDynamicIntersection(mgr, idOut, pos, dir, mag, filter, nearList);
 
-    if (!dynamicRes.IsInvalid() && staticRes.IsInvalid())
-        return dynamicRes;
-    else if (staticRes.GetT() >= dynamicRes.GetT())
-        return dynamicRes;
-    else
-        return staticRes;
+    if (dynamicRes.IsValid())
+    {
+        if (staticRes.IsInvalid())
+            return dynamicRes;
+        else if (staticRes.GetT() >= dynamicRes.GetT())
+            return dynamicRes;
+    }
+    return staticRes;
 }
 
 bool CGameCollision::RayStaticIntersectionArea(const CGameArea& area, const zeus::CVector3f& pos,
diff --git a/Runtime/Graphics/Shaders/CModelShaders.hpp b/Runtime/Graphics/Shaders/CModelShaders.hpp
index 66f683197..fbfd1e1a8 100644
--- a/Runtime/Graphics/Shaders/CModelShaders.hpp
+++ b/Runtime/Graphics/Shaders/CModelShaders.hpp
@@ -26,7 +26,9 @@ enum EExtendedShader : uint8_t
     SolidColorBackfaceCullLEqualAlphaOnly,
     SolidColorBackfaceCullGreaterAlphaOnly, // No Z-write
     MorphBallShadow,
-    WorldShadow
+    WorldShadow,
+    ForcedAlphaNoCull,
+    ForcedAdditiveNoCull
 };
 
 class CModelShaders
diff --git a/Runtime/Graphics/Shaders/CModelShadersGLSL.cpp b/Runtime/Graphics/Shaders/CModelShadersGLSL.cpp
index a29e2675d..b13555de7 100644
--- a/Runtime/Graphics/Shaders/CModelShadersGLSL.cpp
+++ b/Runtime/Graphics/Shaders/CModelShadersGLSL.cpp
@@ -186,61 +186,61 @@ CModelShaders::GetShaderExtensionsGLSL(boo::IGraphicsDataFactory::Platform plat)
     ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
                               3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::Original,
                               hecl::Backend::BlendFactor::Original, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
 
     /* Thermal Visor shading */
     ext.registerExtensionSlot({}, {ThermalPostGLSL, "ThermalPostFunc"}, 3, ThermalBlockNames,
                               1, ThermalTextures, hecl::Backend::BlendFactor::One,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
 
     /* Forced alpha shading */
     ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
                               3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
 
     /* Forced additive shading */
     ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
                               3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
-                              false, true, false, true);
+                              hecl::Backend::CullMode::Backface, true, false, true);
 
     /* Solid color */
     ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
                               3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::One,
                               hecl::Backend::BlendFactor::Zero, hecl::Backend::ZTest::LEqual,
-                              false, false, false, false);
+                              hecl::Backend::CullMode::Backface, false, false, false);
 
     /* Solid color additive */
     ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
                               3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::LEqual,
-                              false, true, false, true);
+                              hecl::Backend::CullMode::Backface, true, false, true);
 
     /* Alpha-only Solid color frontface cull, LEqual */
     ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
                               3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::LEqual,
-                              true, false, true, false);
+                              hecl::Backend::CullMode::Frontface, false, true, false);
 
     /* Alpha-only Solid color frontface cull, Always, No Z-write */
     ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
                               3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::None,
-                              true, true, true, false);
+                              hecl::Backend::CullMode::Frontface, true, true, false);
 
     /* Alpha-only Solid color backface cull, LEqual */
     ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
                               3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::LEqual,
-                              false, false, true, false);
+                              hecl::Backend::CullMode::Backface, false, true, false);
 
     /* Alpha-only Solid color backface cull, Greater, No Z-write */
     ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
                               3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Greater,
-                              false, true, true, false);
+                              hecl::Backend::CullMode::Backface, true, true, false);
 
     /* MorphBall shadow shading */
     ext.registerExtensionSlot({}, {MBShadowPostGLSL, "MBShadowPostFunc"},
@@ -248,13 +248,25 @@ CModelShaders::GetShaderExtensionsGLSL(boo::IGraphicsDataFactory::Platform plat)
                               hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::InvSrcAlpha,
                               hecl::Backend::ZTest::Equal,
-                              false, false, false, true, true);
+                              hecl::Backend::CullMode::Backface, false, false, true, true);
 
     /* World shadow shading (modified lighting) */
     ext.registerExtensionSlot({LightingShadowGLSL, "LightingShadowFunc"}, {MainPostGLSL, "MainPostFunc"},
                               3, BlockNames, 1, WorldShadowTextures, hecl::Backend::BlendFactor::Original,
                               hecl::Backend::BlendFactor::Original, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
+
+    /* Forced alpha shading without culling */
+    ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
+                              3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
+                              hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::Original,
+                              hecl::Backend::CullMode::None, false, false, true);
+
+    /* Forced additive shading without culling */
+    ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
+                              3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
+                              hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
+                              hecl::Backend::CullMode::None, true, false, true);
 
     return ext;
 }
diff --git a/Runtime/Graphics/Shaders/CModelShadersHLSL.cpp b/Runtime/Graphics/Shaders/CModelShadersHLSL.cpp
index 5526f7d0f..a87ee6a03 100644
--- a/Runtime/Graphics/Shaders/CModelShadersHLSL.cpp
+++ b/Runtime/Graphics/Shaders/CModelShadersHLSL.cpp
@@ -169,61 +169,61 @@ CModelShaders::GetShaderExtensionsHLSL(boo::IGraphicsDataFactory::Platform plat)
     ext.registerExtensionSlot({LightingHLSL, "LightingFunc"}, {MainPostHLSL, "MainPostFunc"},
                               0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::Original,
                               hecl::Backend::BlendFactor::Original, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
 
     /* Thermal Visor shading */
     ext.registerExtensionSlot({}, {ThermalPostHLSL, "ThermalPostFunc"}, 0, nullptr,
                               1, ThermalTextures, hecl::Backend::BlendFactor::One,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
 
     /* Forced alpha shading */
     ext.registerExtensionSlot({LightingHLSL, "LightingFunc"}, {MainPostHLSL, "MainPostFunc"},
                               0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
 
     /* Forced additive shading */
     ext.registerExtensionSlot({LightingHLSL, "LightingFunc"}, {MainPostHLSL, "MainPostFunc"},
                               0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
-                              false, true, false, true);
+                              hecl::Backend::CullMode::Backface, true, false, true);
 
     /* Solid color */
     ext.registerExtensionSlot({}, {SolidPostHLSL, "SolidPostFunc"},
                               0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::One,
                               hecl::Backend::BlendFactor::Zero, hecl::Backend::ZTest::LEqual,
-                              false, false, false, false);
+                              hecl::Backend::CullMode::Backface, false, false, false);
 
     /* Solid color additive */
     ext.registerExtensionSlot({}, {SolidPostHLSL, "SolidPostFunc"},
                               0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::LEqual,
-                              false, true, false, true);
+                              hecl::Backend::CullMode::Backface, true, false, true);
 
     /* Alpha-only Solid color frontface cull, LEqual */
     ext.registerExtensionSlot({}, {SolidPostHLSL, "SolidPostFunc"},
                               0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::One,
                               hecl::Backend::BlendFactor::Zero, hecl::Backend::ZTest::LEqual,
-                              true, false, true, false);
+                              hecl::Backend::CullMode::Frontface, false, true, false);
 
     /* Alpha-only Solid color frontface cull, Always, No Z-write */
     ext.registerExtensionSlot({}, {SolidPostHLSL, "SolidPostFunc"},
                               0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::One,
                               hecl::Backend::BlendFactor::Zero, hecl::Backend::ZTest::None,
-                              true, true, true, false);
+                              hecl::Backend::CullMode::Frontface, true, true, false);
 
     /* Alpha-only Solid color backface cull, LEqual */
     ext.registerExtensionSlot({}, {SolidPostHLSL, "SolidPostFunc"},
                               0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::One,
                               hecl::Backend::BlendFactor::Zero, hecl::Backend::ZTest::LEqual,
-                              false, false, true, false);
+                              hecl::Backend::CullMode::Backface, false, true, false);
 
     /* Alpha-only Solid color backface cull, Greater, No Z-write */
     ext.registerExtensionSlot({}, {SolidPostHLSL, "SolidPostFunc"},
                               0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::One,
                               hecl::Backend::BlendFactor::Zero, hecl::Backend::ZTest::Greater,
-                              false, true, true, false);
+                              hecl::Backend::CullMode::Backface, true, true, false);
 
     /* MorphBall shadow shading */
     ext.registerExtensionSlot({}, {MBShadowPostHLSL, "MBShadowPostFunc"},
@@ -231,13 +231,25 @@ CModelShaders::GetShaderExtensionsHLSL(boo::IGraphicsDataFactory::Platform plat)
                               hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::InvSrcAlpha,
                               hecl::Backend::ZTest::Equal,
-                              false, false, false, true, true);
+                              hecl::Backend::CullMode::Backface, false, false, true, true);
 
     /* World shadow shading (modified lighting) */
     ext.registerExtensionSlot({LightingShadowHLSL, "LightingShadowFunc"}, {MainPostHLSL, "MainPostFunc"},
                               0, nullptr, 1, WorldShadowTextures, hecl::Backend::BlendFactor::Original,
                               hecl::Backend::BlendFactor::Original, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
+
+    /* Forced alpha shading without culling */
+    ext.registerExtensionSlot({LightingHLSL, "LightingFunc"}, {MainPostHLSL, "MainPostFunc"},
+                              0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
+                              hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::Original,
+                              hecl::Backend::CullMode::None, false, false, true);
+
+    /* Forced additive shading without culling */
+    ext.registerExtensionSlot({LightingHLSL, "LightingFunc"}, {MainPostHLSL, "MainPostFunc"},
+                              0, nullptr, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
+                              hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
+                              hecl::Backend::CullMode::None, true, false, true);
 
     return ext;
 }
diff --git a/Runtime/Graphics/Shaders/CModelShadersMetal.cpp b/Runtime/Graphics/Shaders/CModelShadersMetal.cpp
index dbd2baba5..7bb1884f4 100644
--- a/Runtime/Graphics/Shaders/CModelShadersMetal.cpp
+++ b/Runtime/Graphics/Shaders/CModelShadersMetal.cpp
@@ -176,61 +176,61 @@ CModelShaders::GetShaderExtensionsMetal(boo::IGraphicsDataFactory::Platform plat
     ext.registerExtensionSlot({LightingMetal, "LightingFunc"}, {MainPostMetal, "MainPostFunc"},
                               1, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::Original,
                               hecl::Backend::BlendFactor::Original, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
 
     /* Thermal Visor shading */
     ext.registerExtensionSlot({}, {ThermalPostMetal, "EXTThermalPostFunc"}, 1, ThermalBlockNames,
                               1, ThermalTextures, hecl::Backend::BlendFactor::One,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
 
     /* Forced alpha shading */
     ext.registerExtensionSlot({LightingMetal, "LightingFunc"}, {MainPostMetal, "MainPostFunc"},
                               1, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
 
     /* Forced additive shading */
     ext.registerExtensionSlot({LightingMetal, "LightingFunc"}, {MainPostMetal, "MainPostFunc"},
                               1, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
-                              false, true, false, true);
+                              hecl::Backend::CullMode::Backface, true, false, true);
 
     /* Solid color */
     ext.registerExtensionSlot({}, {SolidPostMetal, "SolidPostFunc"},
                               1, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::One,
                               hecl::Backend::BlendFactor::Zero, hecl::Backend::ZTest::LEqual,
-                              false, false, false, false);
+                              hecl::Backend::CullMode::Backface, false, false, false);
 
     /* Solid color additive */
     ext.registerExtensionSlot({}, {SolidPostMetal, "SolidPostFunc"},
                               1, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::LEqual,
-                              false, true, false, true);
+                              hecl::Backend::CullMode::Backface, true, false, true);
 
     /* Alpha-only Solid color frontface cull, LEqual */
     ext.registerExtensionSlot({}, {SolidPostMetal, "SolidPostFunc"},
                               1, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::LEqual,
-                              true, false, true, false);
+                              hecl::Backend::CullMode::Frontface, false, true, false);
 
     /* Alpha-only Solid color frontface cull, Always, No Z-write */
     ext.registerExtensionSlot({}, {SolidPostMetal, "SolidPostFunc"},
                               1, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::None,
-                              true, true, true, false);
+                              hecl::Backend::CullMode::Frontface, true, true, false);
 
     /* Alpha-only Solid color backface cull, LEqual */
     ext.registerExtensionSlot({}, {SolidPostMetal, "SolidPostFunc"},
                               1, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::LEqual,
-                              false, false, true, false);
+                              hecl::Backend::CullMode::Backface, false, true, false);
 
     /* Alpha-only Solid color backface cull, Greater, No Z-write */
     ext.registerExtensionSlot({}, {SolidPostMetal, "SolidPostFunc"},
                               1, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
                               hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Greater,
-                              false, true, true, false);
+                              hecl::Backend::CullMode::Backface, true, true, false);
 
     /* MorphBall shadow shading */
     ext.registerExtensionSlot({}, {MBShadowPostMetal, "EXTMBShadowPostFunc"},
@@ -238,13 +238,25 @@ CModelShaders::GetShaderExtensionsMetal(boo::IGraphicsDataFactory::Platform plat
                               hecl::Backend::BlendFactor::SrcAlpha,
                               hecl::Backend::BlendFactor::InvSrcAlpha,
                               hecl::Backend::ZTest::Equal,
-                              false, false, false, true, true);
+                              hecl::Backend::CullMode::Backface, false, false, true, true);
 
     /* World shadow shading (modified lighting) */
     ext.registerExtensionSlot({LightingShadowMetal, "EXTLightingShadowFunc"}, {MainPostMetal, "MainPostFunc"},
                               1, BlockNames, 1, WorldShadowTextures, hecl::Backend::BlendFactor::Original,
                               hecl::Backend::BlendFactor::Original, hecl::Backend::ZTest::Original,
-                              false, false, false, true);
+                              hecl::Backend::CullMode::Backface, false, false, true);
+
+    /* Forced alpha shading without culling */
+    ext.registerExtensionSlot({LightingMetal, "LightingFunc"}, {MainPostMetal, "MainPostFunc"},
+                              1, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
+                              hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::Original,
+                              hecl::Backend::CullMode::None, false, false, true);
+
+    /* Forced additive shading without culling */
+    ext.registerExtensionSlot({LightingMetal, "LightingFunc"}, {MainPostMetal, "MainPostFunc"},
+                              1, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
+                              hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
+                              hecl::Backend::CullMode::None, true, false, true);
 
     return ext;
 }
diff --git a/Runtime/GuiSys/CGuiModel.cpp b/Runtime/GuiSys/CGuiModel.cpp
index e2d337e5a..d28375483 100644
--- a/Runtime/GuiSys/CGuiModel.cpp
+++ b/Runtime/GuiSys/CGuiModel.cpp
@@ -57,8 +57,8 @@ void CGuiModel::Draw(const CGuiWidgetDrawParms& parms) const
         zeus::CColor moduCol = xa8_color2;
         moduCol.a *= parms.x0_alphaMod;
         xb0_frame->EnableLights(x10c_lightMask, const_cast<CBooModel&>(model->GetInstance()));
-        if (xb6_29_cullFaces)
-            CGraphics::SetCullMode(ERglCullMode::Front);
+        //if (xb6_29_cullFaces)
+        //    CGraphics::SetCullMode(ERglCullMode::Front);
 
         switch (xac_drawFlags)
         {
@@ -79,36 +79,36 @@ void CGuiModel::Draw(const CGuiWidgetDrawParms& parms) const
         case EGuiModelDrawFlags::Alpha:
         {
             CModelFlags flags(4, 0, (u32(xb7_24_depthWrite) << 1) | u32(xb6_31_depthTest), moduCol);
-            flags.m_extendedShader = EExtendedShader::ForcedAlpha;
+            flags.m_extendedShader = xb6_29_cullFaces ? EExtendedShader::ForcedAlpha : EExtendedShader::ForcedAlphaNoCull;
             model->Draw(flags);
             break;
         }
         case EGuiModelDrawFlags::Additive:
         {
             CModelFlags flags(3, 0, (u32(xb7_24_depthWrite) << 1) | u32(xb6_31_depthTest), moduCol);
-            flags.m_extendedShader = EExtendedShader::ForcedAdditive;
+            flags.m_extendedShader = xb6_29_cullFaces ? EExtendedShader::ForcedAdditive : EExtendedShader::ForcedAdditiveNoCull;
             model->Draw(flags);
             break;
         }
         case EGuiModelDrawFlags::AlphaAdditiveOverdraw:
         {
             CModelFlags flags(4, 0, xb6_31_depthTest, moduCol);
-            flags.m_extendedShader = EExtendedShader::ForcedAlpha;
+            flags.m_extendedShader = xb6_29_cullFaces ? EExtendedShader::ForcedAlpha : EExtendedShader::ForcedAlphaNoCull;
             model->Draw(flags);
 
             flags.x0_blendMode = 5;
             flags.x1_matSetIdx = 0;
             flags.x2_flags = (u32(xb7_24_depthWrite) << 1) | u32(xb6_31_depthTest);
             flags.x4_color = moduCol;
-            flags.m_extendedShader = EExtendedShader::ForcedAdditive;
+            flags.m_extendedShader = xb6_29_cullFaces ? EExtendedShader::ForcedAdditive : EExtendedShader::ForcedAdditiveNoCull;
             model->Draw(flags);
             break;
         }
         default: break;
         }
 
-        if (xb6_29_cullFaces)
-            CGraphics::SetCullMode(ERglCullMode::None);
+        //if (xb6_29_cullFaces)
+        //    CGraphics::SetCullMode(ERglCullMode::None);
         xb0_frame->DisableLights();
     }
 
diff --git a/Runtime/Particle/CElementGen.cpp b/Runtime/Particle/CElementGen.cpp
index 5f8b18882..11673c500 100644
--- a/Runtime/Particle/CElementGen.cpp
+++ b/Runtime/Particle/CElementGen.cpp
@@ -336,7 +336,7 @@ bool CElementGen::InternalUpdate(double dt)
     while (t < x78_curSeconds && std::fabs(t - x78_curSeconds) >= 1.0 / 60000.0)
     {
         x2d4_aabbMin.splat(FLT_MAX);
-        x2e0_aabbMax.splat(FLT_MIN);
+        x2e0_aabbMax.splat(-FLT_MAX);
         x2ec_maxSize = 0.f;
         CParticleGlobals::SetEmitterTime(x74_curFrame);
         UpdateExistingParticles();
diff --git a/Runtime/Particle/CParticleSwoosh.cpp b/Runtime/Particle/CParticleSwoosh.cpp
index 7732d8c88..696c2ef5d 100644
--- a/Runtime/Particle/CParticleSwoosh.cpp
+++ b/Runtime/Particle/CParticleSwoosh.cpp
@@ -125,7 +125,7 @@ void CParticleSwoosh::UpdateTranslationAndOrientation()
 {
     x208_maxRadius = 0.f;
     x1f0_aabbMin = FLT_MAX;
-    x1fc_aabbMax = FLT_MIN;
+    x1fc_aabbMax = -FLT_MAX;
     CParticleGlobals::SetParticleLifetime(x1b4_LENG);
     CParticleGlobals::SetEmitterTime(x28_curFrame);
 
diff --git a/Runtime/World/CActor.cpp b/Runtime/World/CActor.cpp
index c9aa46824..269ac2885 100644
--- a/Runtime/World/CActor.cpp
+++ b/Runtime/World/CActor.cpp
@@ -323,7 +323,6 @@ void CActor::SetRotation(const zeus::CQuaternion &q)
 
 void CActor::SetTranslation(const zeus::CVector3f& tr)
 {
-    auto old = x34_transform.origin;
     x34_transform.origin = tr;
     xe4_27_notInSortedLists = true;
     xe4_28_ = true;
diff --git a/Runtime/World/CPlayer.cpp b/Runtime/World/CPlayer.cpp
index c20f7f741..a6eba8810 100644
--- a/Runtime/World/CPlayer.cpp
+++ b/Runtime/World/CPlayer.cpp
@@ -2235,7 +2235,7 @@ void CPlayer::UpdateStepCameraZBias(float dt)
                 {
                     if (delta < -GetStepDownHeight())
                         newDelta += -delta - GetStepDownHeight();
-                    newBias = x9cc_stepCameraZBias + newDelta;
+                    newBias = x9cc_stepCameraZBias - newDelta;
                 }
             }
         }
@@ -3000,7 +3000,7 @@ void CPlayer::UpdateFootstepSounds(const CFinalInput& input, CStateManager& mgr,
     if (x790_footstepSfxSel != EFootstepSfx::None && x78c_footstepSfxTimer > sfxDelay)
     {
         static float EarHeight = GetEyeHeight() - 0.1f;
-        if (xe6_24_fluidCounter != 0 &&  x828_distanceUnderWater > 0.f && x828_distanceUnderWater < EarHeight)
+        if (xe6_24_fluidCounter != 0 && x828_distanceUnderWater > 0.f && x828_distanceUnderWater < EarHeight)
         {
             if (x82c_inLava)
             {
diff --git a/Runtime/World/CPlayerCameraBob.cpp b/Runtime/World/CPlayerCameraBob.cpp
index 8bdf54abc..1487dfe9a 100644
--- a/Runtime/World/CPlayerCameraBob.cpp
+++ b/Runtime/World/CPlayerCameraBob.cpp
@@ -15,16 +15,19 @@ float CPlayerCameraBob::kMaxOrbitBobScale = 0.8f;
 float CPlayerCameraBob::kSlowSpeedPeriodScale = 0.3f;
 float CPlayerCameraBob::kTargetMagnitudeTrackingRate = 0.1f;
 float CPlayerCameraBob::kLandingBobSpringConstant = 150.f;
+float CPlayerCameraBob::kLandingBobSpringConstant2 = 40.f;
 float CPlayerCameraBob::kViewWanderRadius = 2.9f;
 float CPlayerCameraBob::kViewWanderSpeedMin = 0.1f;
 float CPlayerCameraBob::kViewWanderSpeedMax = 0.3f;
 float CPlayerCameraBob::kViewWanderRollVariation = 0.3f;
 float CPlayerCameraBob::kGunBobMagnitude = 0.3f;
 float CPlayerCameraBob::kHelmetBobMagnitude = 2.f;
-const float CPlayerCameraBob::kLandingBobDamping = 2.f * zeus::sqrtF(150.f);
+const float CPlayerCameraBob::kLandingBobDamping = 2.f * std::sqrt(150.f);
+const float CPlayerCameraBob::kLandingBobDamping2 = 4.f * std::sqrt(40.f);
+const float CPlayerCameraBob::kCameraDamping = 6.f * std::sqrt(80.f);
 
-CPlayerCameraBob::CPlayerCameraBob(ECameraBobType type, const zeus::CVector2f& vec, float f1)
-: x0_type(type), x4_vec(vec), xc_(f1)
+CPlayerCameraBob::CPlayerCameraBob(ECameraBobType type, const zeus::CVector2f& vec, float bobPeriod)
+: x0_type(type), x4_vec(vec), xc_bobPeriod(bobPeriod)
 {
 }
 
@@ -32,10 +35,9 @@ zeus::CTransform CPlayerCameraBob::GetViewWanderTransform() const { return xd0_v
 
 zeus::CVector3f CPlayerCameraBob::GetHelmetBobTranslation() const
 {
-
     return {kHelmetBobMagnitude * x2c_cameraBobTransform.origin.x,
             kHelmetBobMagnitude * x2c_cameraBobTransform.origin.y,
-            kHelmetBobMagnitude * (x2c_cameraBobTransform.origin.z - x78_)};
+            kHelmetBobMagnitude * (x2c_cameraBobTransform.origin.z - x78_camTranslation)};
 }
 
 zeus::CTransform CPlayerCameraBob::GetGunBobTransformation() const
@@ -48,20 +50,12 @@ zeus::CTransform CPlayerCameraBob::GetCameraBobTransformation() const { return x
 void CPlayerCameraBob::SetPlayerVelocity(const zeus::CVector3f& velocity)
 {
     x5c_playerVelocity = velocity;
-    x68_ = zeus::min(x68_, velocity.z);
+    x68_playerPeakFallVel = zeus::min(x68_playerPeakFallVel, velocity.z);
 }
 
 void CPlayerCameraBob::SetBobMagnitude(float magnitude)
 {
-#if 0
-    /* Retro Original (This is why underpaid (re: unpaid) interns make crappy programmers) */
-    x10_bobMagnitude = magnitude;
-    x10_bobMagnitude = std::max(0.f, x10_bobMagnitude);
-    x10_bobMagnitude = std::max(1.f, x10_bobMagnitude);
-#else
-    /* Should fix lightshow */
-    x10_bobMagnitude = zeus::clamp(0.f, magnitude, 1.f);
-#endif
+    x10_targetBobMagnitude = zeus::clamp(0.f, magnitude, 1.f);
 }
 
 void CPlayerCameraBob::SetBobTimeScale(float ts) { x18_bobTimeScale = zeus::clamp(0.f, ts, 1.f); }
@@ -80,18 +74,15 @@ void CPlayerCameraBob::SetState(CPlayerCameraBob::ECameraBobState state, CStateM
     if (x20_oldState == ECameraBobState::InAir)
     {
         x28_applyLandingTrans = true;
-        x68_ = std::min(x68_, -35.f);
-        x29_ = (x68_ >= -30.f);
-        if (x29_)
-            x74_ += x68_;
-        else
-        {
-            x6c_ += x68_;
-            x68_ = 0.f;
-        }
+        x68_playerPeakFallVel = std::max(x68_playerPeakFallVel, -35.f);
+        x29_hardLand = x68_playerPeakFallVel < -30.f;
+        if (x29_hardLand)
+            x74_camVelocity += x68_playerPeakFallVel;
+        x6c_landingVelocity += x68_playerPeakFallVel;
+        x68_playerPeakFallVel = 0.f;
     }
 
-    if (x24_curState == ECameraBobState::WalkNoBob && x100_ != 0.f)
+    if (x24_curState == ECameraBobState::WalkNoBob && x100_wanderMagnitude != 0.f)
         InitViewWander(mgr);
 }
 
@@ -118,13 +109,13 @@ void CPlayerCameraBob::UpdateViewWander(float dt, CStateManager& mgr)
         x7c_wanderPoints[xcc_wanderIndex], x7c_wanderPoints[(xcc_wanderIndex + 1) & 3],
         x7c_wanderPoints[(xcc_wanderIndex + 2) & 3], x7c_wanderPoints[(xcc_wanderIndex + 3) & 3], dt);
 
-    pt.x *= x100_;
-    pt.z *= x100_;
+    pt.x *= x100_wanderMagnitude;
+    pt.z *= x100_wanderMagnitude;
     zeus::CTransform orient = zeus::CTransform::RotateY((
         zeus::getCatmullRomSplinePoint(xb0_wanderPitches[xcc_wanderIndex], xb0_wanderPitches[(xcc_wanderIndex + 1) & 3],
                                        xb0_wanderPitches[(xcc_wanderIndex + 2) & 3],
                                        xb0_wanderPitches[(xcc_wanderIndex + 3) & 3], dt) *
-        x100_));
+        x100_wanderMagnitude));
     xd0_viewWanderXf = zeus::lookAt(pt, zeus::CVector3f::skZero, zeus::CVector3f::skUp) * orient;
 
     xc4_wanderTime = (xc8_viewWanderSpeed * xc4_wanderTime) + dt;
@@ -141,52 +132,55 @@ void CPlayerCameraBob::UpdateViewWander(float dt, CStateManager& mgr)
 
 void CPlayerCameraBob::Update(float dt, CStateManager& mgr)
 {
-    x1c_bobTime = (dt * x18_bobTimeScale) + x1c_bobTime;
-    float landSpring = kLandingBobSpringConstant;
-    float landDampen = kLandingBobDamping;
+    x1c_bobTime += dt * x18_bobTimeScale;
+
     if (x28_applyLandingTrans)
     {
-        landDampen = 4.f * zeus::sqrtF(40.f);
-        landSpring = 40.f;
-    }
+        float landDampen = kLandingBobDamping;
+        float landSpring = kLandingBobSpringConstant;
+        if (x29_hardLand)
+        {
+            landDampen = kLandingBobDamping2;
+            landSpring = kLandingBobSpringConstant2;
+        }
 
-    x6c_ = (dt * -((landSpring * x70_landingTranslation) + -(landDampen * x6c_))) + x6c_;
-    x70_landingTranslation = x6c_ * dt + x70_landingTranslation;
-    x74_ = dt * (-(80.f * x78_) + -((6.f * zeus::sqrtF(80.f)) * x74_)) + x74_;
-    x78_ = x74_ * dt + x78_;
+        x6c_landingVelocity += dt * (-(landDampen * x6c_landingVelocity) - landSpring * x70_landingTranslation);
+        x70_landingTranslation += x6c_landingVelocity * dt;
+        x74_camVelocity += dt * (-(kCameraDamping * x74_camVelocity) - 80.f * x78_camTranslation);
+        x78_camTranslation += x74_camVelocity * dt;
 
-    if (std::fabs(x6c_) < 0.0049f && std::fabs(x70_landingTranslation) < 0.0049f && std::fabs(x78_) < 0.0049f)
-    {
-        x28_applyLandingTrans = false;
-        x70_landingTranslation = 0.f;
-        x78_ = 0.f;
+        if (std::fabs(x6c_landingVelocity) < 0.005f && std::fabs(x70_landingTranslation) < 0.005f &&
+            std::fabs(x74_camVelocity) < 0.005f && std::fabs(x78_camTranslation) < 0.005f)
+        {
+            x28_applyLandingTrans = false;
+            x70_landingTranslation = 0.f;
+            x78_camTranslation = 0.f;
+        }
     }
 
     if (x24_curState == ECameraBobState::WalkNoBob)
-        x104_ = 1.f;
+        x104_targetWanderMagnitude = 1.f;
     else
-        x104_ = 0.f;
+        x104_targetWanderMagnitude = 0.f;
 
-    float f1 = mgr.GetCameraManager()->GetCameraBobMagnitude();
-    x70_landingTranslation *= f1;
-    x78_ *= f1;
-    x104_ *= f1;
+    float mag = mgr.GetCameraManager()->GetCameraBobMagnitude();
+    x70_landingTranslation *= mag;
+    x78_camTranslation *= mag;
+    x104_targetWanderMagnitude *= mag;
     if (mgr.GetPlayer().x38c_doneSidewaysDashing)
     {
         x70_landingTranslation *= 0.2f;
-        x78_ *= 0.2f;
-        x104_ *= 0.4f;
+        x78_camTranslation *= 0.2f;
+        x104_targetWanderMagnitude *= 0.2f;
     }
 
-    x100_ = kTargetMagnitudeTrackingRate * (x104_ - x100_) + x100_;
-    x100_ = std::max(x100_, 0.f);
-    float tmp = x14_;
-    x14_ = kTargetMagnitudeTrackingRate * (x10_bobMagnitude - x14_) + x14_;
+    x100_wanderMagnitude += kTargetMagnitudeTrackingRate * (x104_targetWanderMagnitude - x100_wanderMagnitude);
+    x100_wanderMagnitude = std::max(x100_wanderMagnitude, 0.f);
+    x14_bobMagnitude += kTargetMagnitudeTrackingRate * (x10_targetBobMagnitude - x14_bobMagnitude);
     UpdateViewWander(dt, mgr);
-    x78_ = tmp;
 
-    x2c_cameraBobTransform = GetViewWanderTransform() * CalculateCameraBobTransformation() *
-                             zeus::lookAt(zeus::CVector3f::skZero, {0.f, 2.f, x78_}, zeus::CVector3f::skUp);
+    x2c_cameraBobTransform = CalculateCameraBobTransformation() * GetViewWanderTransform() *
+                             zeus::lookAt(zeus::CVector3f::skZero, {0.f, 2.f, x78_camTranslation}, zeus::CVector3f::skUp);
 }
 
 zeus::CVector3f CPlayerCameraBob::CalculateRandomViewWanderPosition(CStateManager& mgr)
@@ -205,20 +199,20 @@ void CPlayerCameraBob::CalculateMovingTranslation(float& x, float& y) const
 {
     if (x0_type == ECameraBobType::Zero)
     {
-        double c = ((M_PIF * 2.f) * std::fmod(x1c_bobTime, 2.0f * xc_) / xc_);
-        x = (x14_ * x4_vec.x) * float(std::sin(c));
-        y = (x14_ * x4_vec.y) * float(std::fabs(std::cos(c * .5)) * std::cos(c * .5));
+        double c = ((M_PIF * 2.f) * std::fmod(x1c_bobTime, 2.0f * xc_bobPeriod) / xc_bobPeriod);
+        x = (x14_bobMagnitude * x4_vec.x) * float(std::sin(c));
+        y = (x14_bobMagnitude * x4_vec.y) * float(std::fabs(std::cos(c * .5)) * std::cos(c * .5));
     }
     else if (x0_type == ECameraBobType::One)
     {
-        float fX = std::fmod(x1c_bobTime, 2.f * xc_);
-        if (fX > xc_)
-            x = (2.f - (fX / xc_)) * (x14_ * x4_vec.x);
+        float fX = std::fmod(x1c_bobTime, 2.f * xc_bobPeriod);
+        if (fX > xc_bobPeriod)
+            x = (2.f - (fX / xc_bobPeriod)) * (x14_bobMagnitude * x4_vec.x);
         else
-            x = ((fX / xc_)) * (x14_ * x4_vec.x);
+            x = ((fX / xc_bobPeriod)) * (x14_bobMagnitude * x4_vec.x);
 
-        auto sY = float(std::sin(std::fmod((M_PI * fX) / xc_, M_PI)));
-        y = (1.f - sY) * (x14_ * x4_vec.y) * 0.5f + (0.5f * -((sY * sY) - 1.f) * (x14_ * x4_vec.y));
+        auto sY = float(std::sin(std::fmod((M_PI * fX) / xc_bobPeriod, M_PI)));
+        y = (1.f - sY) * (x14_bobMagnitude * x4_vec.y) * 0.5f + (0.5f * -((sY * sY) - 1.f) * (x14_bobMagnitude * x4_vec.y));
     }
 }
 
diff --git a/Runtime/World/CPlayerCameraBob.hpp b/Runtime/World/CPlayerCameraBob.hpp
index 49f2248b0..1603e824f 100644
--- a/Runtime/World/CPlayerCameraBob.hpp
+++ b/Runtime/World/CPlayerCameraBob.hpp
@@ -40,6 +40,7 @@ public:
     static float kSlowSpeedPeriodScale;
     static float kTargetMagnitudeTrackingRate;
     static float kLandingBobSpringConstant;
+    static float kLandingBobSpringConstant2;
     static float kViewWanderRadius;
     static float kViewWanderSpeedMin;
     static float kViewWanderSpeedMax;
@@ -47,37 +48,39 @@ public:
     static float kGunBobMagnitude;
     static float kHelmetBobMagnitude;
     static const float kLandingBobDamping;
+    static const float kLandingBobDamping2;
+    static const float kCameraDamping;
 
 private:
     ECameraBobType x0_type;
     zeus::CVector2f x4_vec;
-    float xc_;
-    float x10_bobMagnitude = 0.f;
-    float x14_ = 0.f;
+    float xc_bobPeriod;
+    float x10_targetBobMagnitude = 0.f;
+    float x14_bobMagnitude = 0.f;
     float x18_bobTimeScale = 0.f;
     float x1c_bobTime = 0.f;
     ECameraBobState x20_oldState = ECameraBobState::Unspecified;
     ECameraBobState x24_curState = ECameraBobState::Unspecified;
     bool x28_applyLandingTrans = false;
-    bool x29_ = false;
+    bool x29_hardLand = false;
     zeus::CTransform x2c_cameraBobTransform;
     zeus::CVector3f x5c_playerVelocity;
-    float x68_ = 0.f;
-    float x6c_ = 0.f;
+    float x68_playerPeakFallVel = 0.f;
+    float x6c_landingVelocity = 0.f;
     float x70_landingTranslation = 0.f;
-    float x74_ = 0.f;
-    float x78_ = 0.f;
+    float x74_camVelocity = 0.f;
+    float x78_camTranslation = 0.f;
     zeus::CVector3f x7c_wanderPoints[4] = {zeus::CVector3f{0.f, 1.f, 0.f}};
     float xb0_wanderPitches[4] = {0.f};
     float xc4_wanderTime = 0.f;
     float xc8_viewWanderSpeed = kViewWanderSpeedMin;
     u32 xcc_wanderIndex = 0;
     zeus::CTransform xd0_viewWanderXf;
-    float x100_ = FLT_EPSILON;
-    float x104_ = 0.f;
+    float x100_wanderMagnitude = FLT_EPSILON;
+    float x104_targetWanderMagnitude = 0.f;
 
 public:
-    CPlayerCameraBob(ECameraBobType type, const zeus::CVector2f& vec, float);
+    CPlayerCameraBob(ECameraBobType type, const zeus::CVector2f& vec, float bobPeriod);
 
     zeus::CTransform GetViewWanderTransform() const;
     zeus::CVector3f GetHelmetBobTranslation() const;
diff --git a/hecl b/hecl
index 914545051..3650eccc2 160000
--- a/hecl
+++ b/hecl
@@ -1 +1 @@
-Subproject commit 914545051e9be680ea6bd85c0143f3fbd5f3ebf9
+Subproject commit 3650eccc26d5d245cb964a3d16e2a9905de82fa7