From 87a22b73fa66280a6c144c36e387de1a19423539 Mon Sep 17 00:00:00 2001
From: Jack Andersen <jackoalan@gmail.com>
Date: Sun, 5 Mar 2017 20:33:51 -1000
Subject: [PATCH] DrawWorld implementation complete

---
 Runtime/CFluidPlaneManager.hpp       |   1 +
 Runtime/CStateManager.cpp            | 129 +++++++++++++++++++++++++--
 Runtime/CStateManager.hpp            |   4 +-
 Runtime/Graphics/CBooRenderer.cpp    |  93 +++++++++++++++++--
 Runtime/Graphics/CBooRenderer.hpp    |  14 +--
 Runtime/Graphics/CModel.hpp          |   1 +
 Runtime/Graphics/CModelBoo.cpp       |  33 +++++++
 Runtime/Graphics/IRenderer.hpp       |   7 +-
 Runtime/World/CEnvFxManager.cpp      |   5 ++
 Runtime/World/CEnvFxManager.hpp      |   1 +
 Runtime/World/CMorphBall.cpp         |  26 ++++++
 Runtime/World/CMorphBall.hpp         |   3 +
 Runtime/World/CMorphBallShadow.cpp   |  50 ++++++-----
 Runtime/World/CMorphBallShadow.hpp   |  10 +--
 Runtime/World/CPlayer.cpp            |   4 +-
 Runtime/World/CPlayer.hpp            |   9 +-
 Runtime/World/CProjectedShadow.cpp   |  10 ++-
 Runtime/World/CProjectedShadow.hpp   |   6 +-
 Runtime/World/CWorld.hpp             |   1 +
 Runtime/World/CWorldTransManager.cpp |   2 +-
 hecl                                 |   2 +-
 21 files changed, 350 insertions(+), 61 deletions(-)

diff --git a/Runtime/CFluidPlaneManager.hpp b/Runtime/CFluidPlaneManager.hpp
index 0d357fb11..b5f87f7fd 100644
--- a/Runtime/CFluidPlaneManager.hpp
+++ b/Runtime/CFluidPlaneManager.hpp
@@ -15,6 +15,7 @@ class CFluidPlaneManager
     static CFluidProfile sProfile;
 public:
     void StartFrame(bool);
+    void EndFrame() { x121_ = false; }
 };
 
 }
diff --git a/Runtime/CStateManager.cpp b/Runtime/CStateManager.cpp
index 22e3e4f8d..dd7fdff4b 100644
--- a/Runtime/CStateManager.cpp
+++ b/Runtime/CStateManager.cpp
@@ -31,6 +31,7 @@
 #include "Collision/CMaterialFilter.hpp"
 #include "World/CScriptDock.hpp"
 #include "Particle/CDecalManager.hpp"
+#include "World/CProjectedShadow.hpp"
 
 #include <cmath>
 
@@ -465,10 +466,18 @@ zeus::CFrustum CStateManager::SetupViewForDraw(const SViewport& vp) const
     return frustum;
 }
 
+void CStateManager::ResetViewAfterDraw(const SViewport& backupViewport,
+                                       const zeus::CTransform& backupViewMatrix) const
+{
+
+}
+
 void CStateManager::DrawWorld() const
 {
     CTimeProvider timeProvider(xf14_);
+    SViewport backupViewport = g_Viewport;
     zeus::CFrustum frustum = SetupViewForDraw(g_Viewport);
+    zeus::CTransform backupViewMatrix = CGraphics::g_ViewMatrix;
 
     /* Area camera is in (not necessarily player) */
     TAreaId visAreaId = GetVisAreaId();
@@ -551,15 +560,9 @@ void CStateManager::DrawWorld() const
         SetupFogForArea(*areaArr[areaCount-1]);
 
     for (TUniqueId id : x86c_stateManagerContainer->xf370_)
-    {
         if (const CActor* ent = static_cast<const CActor*>(GetObjectById(id)))
-        {
             if (!thermal || ent->xe6_27_ & 0x2)
-            {
                 ent->Render(*this);
-            }
-        }
-    }
 
     bool morphingPlayerVisible = false;
     int thermalActorCount = 0;
@@ -611,9 +614,117 @@ void CStateManager::DrawWorld() const
 
         ++const_cast<CStateManager&>(*this).x8dc_objectDrawToken;
 
-        // TODO: Finish
-        x84c_player->GetMorphBall();
+        x84c_player->GetMorphBall()->DrawBallShadow(*this);
+
+        if (xf7c_projectedShadow)
+            xf7c_projectedShadow->Render(*this);
+
+        g_Renderer->EnablePVS(&pvs, area.x4_selfIdx);
+        g_Renderer->DrawSortedGeometry(area.x4_selfIdx, mask, targetMask);
     }
+
+    x880_envFxManager->Render(*this);
+
+    if (morphingPlayerVisible)
+        x84c_player->Render(*this);
+
+    g_Renderer->PostRenderFogs();
+
+    if (thermal)
+    {
+        if (x86c_stateManagerContainer->xf39c_.size())
+        {
+            CGraphics::SetDepthRange(0.015625f, 0.03125f);
+            for (TUniqueId id : x86c_stateManagerContainer->xf39c_)
+                if (const CActor* actor = static_cast<const CActor*>(GetObjectById(id)))
+                    if (actor->xe6_27_ & 0x2)
+                        actor->Render(*this);
+            CGraphics::SetDepthRange(0.125f, 1.f);
+        }
+        g_Renderer->DoThermalBlendCold();
+
+        for (TUniqueId id : x86c_stateManagerContainer->xf370_)
+            if (const CActor* actor = static_cast<const CActor*>(GetObjectById(id)))
+                if (actor->xe6_27_ & 0x4)
+                    actor->Render(*this);
+
+        for (int i=areaCount-1 ; i>=0 ; --i)
+        {
+            CGameArea& area = *areaArr[i];
+            CPVSVisSet& pvs = pvsArr[i];
+
+            g_Renderer->EnablePVS(&pvs, area.x4_selfIdx);
+            g_Renderer->DrawUnsortedGeometry(area.x4_selfIdx, mask, 0x20);
+            g_Renderer->DrawAreaGeometry(area.x4_selfIdx, mask, 0x10);
+        }
+
+        ++const_cast<CStateManager&>(*this).x8dc_objectDrawToken;
+
+        for (int i=0 ; i<areaCount ; ++i)
+        {
+            CGameArea& area = *areaArr[i];
+            CPVSVisSet& pvs = pvsArr[i];
+
+            for (int j=0 ; j<thermalActorCount ; ++j)
+            {
+                CActor* actor = thermalActorArr[j];
+                if (actor->GetAreaIdAlways() != area.x4_selfIdx)
+                    if (actor->GetAreaIdAlways() != kInvalidAreaId || area.x4_selfIdx != visAreaId)
+                        continue;
+                actor->AddToRenderer(frustum, *this);
+            }
+
+            if (areaCount - 1 == i)
+            {
+                x884_actorModelParticles->AddStragglersToRenderer(*this);
+                CDecalManager::AddToRenderer(frustum, *this);
+                if (x84c_player)
+                    x84c_player->AddToRenderer(frustum, *this);
+            }
+
+            ++const_cast<CStateManager&>(*this).x8dc_objectDrawToken;
+
+            g_Renderer->EnablePVS(&pvs, area.x4_selfIdx);
+            g_Renderer->DrawSortedGeometry(area.x4_selfIdx, mask, 0x10);
+        }
+
+        g_Renderer->PostRenderFogs();
+    }
+
+    x87c_fluidPlaneManager->EndFrame();
+
+    g_Renderer->SetWorldFog(ERglFogMode::None, 0.f, 1.f, zeus::CColor::skBlack);
+
+#if 0
+    if (false)
+        CacheReflection();
+#endif
+
+    if (x84c_player)
+        x84c_player->RenderGun(*this, x870_cameraManager->GetGlobalCameraTranslation(*this));
+
+    if (x86c_stateManagerContainer->xf39c_.size())
+    {
+        CGraphics::SetDepthRange(0.015625f, 0.03125f);
+        for (TUniqueId id : x86c_stateManagerContainer->xf39c_)
+            if (const CActor* actor = static_cast<const CActor*>(GetObjectById(id)))
+                if (actor->xe6_27_ & 0x4)
+                    actor->Render(*this);
+        CGraphics::SetDepthRange(0.125f, 1.f);
+    }
+
+    if (thermal)
+    {
+        g_Renderer->DoThermalBlendHot();
+        g_Renderer->SetThermal(false, 0.f, zeus::CColor::skBlack);
+        const_cast<CStateManager&>(*this).xf34_particleFlags = 2;
+    }
+
+    DrawDebugStuff();
+    RenderCamerasAndAreaLights();
+    ResetViewAfterDraw(backupViewport, backupViewMatrix);
+    DrawE3DeathEffect();
+    DrawAdditionalFilters();
 }
 
 void CStateManager::SetupFogForArea(const CGameArea& area) const
@@ -662,7 +773,7 @@ void CStateManager::PreRender()
     {
         x86c_stateManagerContainer->xf370_.clear();
         x86c_stateManagerContainer->xf39c_.clear();
-        xf7c_ = 0;
+        xf7c_projectedShadow = nullptr;
         x850_world->PreRender();
         BuildDynamicLightListForWorld();
         CGameCamera* cam = static_cast<CGameCamera*>(x870_cameraManager->GetCurrentCamera(*this));
diff --git a/Runtime/CStateManager.hpp b/Runtime/CStateManager.hpp
index 4c61d5420..50ccfacbe 100644
--- a/Runtime/CStateManager.hpp
+++ b/Runtime/CStateManager.hpp
@@ -44,6 +44,7 @@ class CPlayer;
 class CWorld;
 class CTexture;
 class CWorldLayerState;
+class CProjectedShadow;
 
 namespace MP1
 {
@@ -206,7 +207,7 @@ class CStateManager
     TUniqueId xf76_lastRelay = kInvalidUniqueId;
 
     float xf78_hudMessageTime = 0.f;
-    u32 xf7c_ = 0;
+    CProjectedShadow* xf7c_projectedShadow = nullptr;
     u32 xf80_hudMessageFrameCount = 0;
     ResId xf84_ = -1;
     ResId xf88_ = -1;
@@ -268,6 +269,7 @@ public:
     void DrawE3DeathEffect() const;
     void DrawAdditionalFilters() const;
     zeus::CFrustum SetupViewForDraw(const SViewport& vp) const;
+    void ResetViewAfterDraw(const SViewport& backupViewport, const zeus::CTransform& backupViewMatrix) const;
     void DrawWorld() const;
     void SetupFogForArea(const CGameArea& area) const;
     bool SetupFogForDraw() const;
diff --git a/Runtime/Graphics/CBooRenderer.cpp b/Runtime/Graphics/CBooRenderer.cpp
index 6022d9ed6..c4eb88122 100644
--- a/Runtime/Graphics/CBooRenderer.cpp
+++ b/Runtime/Graphics/CBooRenderer.cpp
@@ -363,10 +363,10 @@ void CBooRenderer::AddStaticGeometry(const std::vector<CMetroidModelInstance>* g
     }
 }
 
-void CBooRenderer::EnablePVS(const CPVSVisSet* set, u32 modelCount)
+void CBooRenderer::EnablePVS(const CPVSVisSet* set, u32 areaIdx)
 {
     xc8_pvs.emplace(*set);
-    xe0_pvsModelCount = modelCount;
+    xe0_pvsAreaIdx = areaIdx;
 }
 
 void CBooRenderer::DisablePVS()
@@ -381,6 +381,44 @@ void CBooRenderer::RemoveStaticGeometry(const std::vector<CMetroidModelInstance>
         x1c_areaListItems.erase(search);
 }
 
+void CBooRenderer::DrawAreaGeometry(int areaIdx, int mask, int targetMask)
+{
+    x318_30_inAreaDraw = true;
+    CModelFlags flags;
+
+    for (CAreaListItem& item : x1c_areaListItems)
+    {
+        if (areaIdx != -1 || item.x18_areaIdx == areaIdx)
+        {
+            CPVSVisSet* pvs = xc8_pvs ? &*xc8_pvs : nullptr;
+            if (xe0_pvsAreaIdx != item.x18_areaIdx)
+                pvs = nullptr;
+            int modelIdx = 0;
+            for (auto it = item.x10_models.begin() ; it != item.x10_models.end() ; ++it, ++modelIdx)
+            {
+                CBooModel* model = *it;
+                if (pvs)
+                {
+                    bool visible = pvs->GetVisible(modelIdx) != EPVSVisSetState::EndOfTree;
+                    if ((xc4_pvsMode == EPVSMode::PVS && !visible) || (xc4_pvsMode == EPVSMode::PVSAndMask && visible))
+                        continue;
+                }
+                if ((model->x41_mask & mask) != targetMask)
+                    continue;
+                if (!x44_frustumPlanes.aabbFrustumTest(model->x20_aabb))
+                    continue;
+
+                for (const CBooSurface* surf = model->x38_firstUnsortedSurface ; surf ; surf = surf->m_next)
+                    model->DrawSurface(*surf, flags);
+                for (const CBooSurface* surf = model->x3c_firstSortedSurface ; surf ; surf = surf->m_next)
+                    model->DrawSurface(*surf, flags);
+            }
+        }
+    }
+
+    x318_30_inAreaDraw = false;
+}
+
 void CBooRenderer::DrawUnsortedGeometry(int areaIdx, int mask, int targetMask)
 {
     //SetupRendererStates(true);
@@ -398,7 +436,7 @@ void CBooRenderer::DrawUnsortedGeometry(int areaIdx, int mask, int targetMask)
         CPVSVisSet* pvs = nullptr;
         if (xc8_pvs)
             pvs = &*xc8_pvs;
-        if (xe0_pvsModelCount != item.x10_models.size())
+        if (xe0_pvsAreaIdx != item.x10_models.size())
             pvs = nullptr;
 
         u32 idx = 0;
@@ -579,6 +617,10 @@ void CBooRenderer::BeginScene()
     CGraphics::SetViewport(0, 0, g_Viewport.x8_width, g_Viewport.xc_height);
     CGraphics::SetPerspective(75.f, CGraphics::g_ProjAspect, 1.f, 4096.f);
     CGraphics::SetModelMatrix(zeus::CTransform::Identity());
+    x318_27_currentRGBA6 = x318_26_requestRGBA6;
+    if (!x318_31_persistRGBA6)
+        x318_26_requestRGBA6 = false;
+    //GXSetPixelFmt(x318_27_currentRGBA6);
     CGraphics::BeginScene();
 }
 
@@ -790,7 +832,7 @@ void CBooRenderer::FindOverlappingWorldModels(std::vector<u32>& modelBits, const
 int CBooRenderer::DrawOverlappingWorldModelIDs(int alphaVal, const std::vector<u32>& modelBits,
                                                const zeus::CAABox& aabb) const
 {
-    CModelFlags flags(0, 0, 3, zeus::CColor{1.f, 1.f, 1.f, alphaVal / 255.f});
+    CModelFlags flags;
     flags.m_extendedShaderIdx = 5; // Do solid color draw
 
     u32 curWord = 0;
@@ -812,13 +854,13 @@ int CBooRenderer::DrawOverlappingWorldModelIDs(int alphaVal, const std::vector<u
                     if (alphaVal > 255)
                         return alphaVal;
 
+                    flags.color.a = alphaVal / 255.f;
                     const CBooModel& model = *item.x10_models[wordModel + j];
                     const_cast<CBooModel&>(model).VerifyCurrentShader(0);
                     for (const CBooSurface* surf = model.x38_firstUnsortedSurface; surf; surf = surf->m_next)
                         if (surf->GetBounds().intersects(aabb))
                             model.DrawSurface(*surf, flags);
                     alphaVal += 4;
-                    flags.color.a = alphaVal / 255.f;
                 }
             }
         }
@@ -829,4 +871,45 @@ int CBooRenderer::DrawOverlappingWorldModelIDs(int alphaVal, const std::vector<u
     return alphaVal;
 }
 
+void CBooRenderer::DrawOverlappingWorldModelShadows(int alphaVal, const std::vector<u32>& modelBits,
+                                                    const zeus::CAABox& aabb, float alpha) const
+{
+    CModelFlags flags;
+    flags.color.a = alpha;
+    flags.m_extendedShaderIdx = 6; // Do shadow draw
+
+    u32 curWord = 0;
+    for (const CAreaListItem& item : x1c_areaListItems)
+    {
+        if (!item.x4_octTree)
+            continue;
+
+        u32 wordModel = 0;
+        for (int i=0 ; i<item.x4_octTree->x14_bitmapWordCount ; ++i, wordModel += 32)
+        {
+            const u32& word = modelBits[i];
+            if (!word)
+                continue;
+            for (int j=0 ; j<32 ; ++j)
+            {
+                if ((1 << j) & word)
+                {
+                    if (alphaVal > 255)
+                        return;
+
+                    flags.color.r = alphaVal / 255.f;
+                    const CBooModel& model = *item.x10_models[wordModel + j];
+                    const_cast<CBooModel&>(model).VerifyCurrentShader(0);
+                    for (const CBooSurface* surf = model.x38_firstUnsortedSurface; surf; surf = surf->m_next)
+                        if (surf->GetBounds().intersects(aabb))
+                            model.DrawSurface(*surf, flags);
+                    alphaVal += 4;
+                }
+            }
+        }
+
+        curWord += item.x4_octTree->x14_bitmapWordCount;
+    }
+}
+
 }
diff --git a/Runtime/Graphics/CBooRenderer.hpp b/Runtime/Graphics/CBooRenderer.hpp
index e2730a6e3..de9d1cd30 100644
--- a/Runtime/Graphics/CBooRenderer.hpp
+++ b/Runtime/Graphics/CBooRenderer.hpp
@@ -49,6 +49,7 @@ class CBooRenderer : public IRenderer
 {
     friend class CBooModel;
     friend class CWorldTransManager;
+    friend class CMorphBallShadow;
 
     struct CAreaListItem
     {
@@ -88,7 +89,7 @@ class CBooRenderer : public IRenderer
         PVSAndMask
     } xc4_pvsMode = EPVSMode::Mask;
     std::experimental::optional<CPVSVisSet> xc8_pvs;
-    u32 xe0_pvsModelCount = 0;
+    u32 xe0_pvsAreaIdx = 0;
 
     //boo::ITextureS* xe4_blackTex = nullptr;
     bool xee_24_ : 1;
@@ -128,12 +129,12 @@ class CBooRenderer : public IRenderer
         {
             bool x318_24_refectionDirty : 1;
             bool x318_25_drawWireframe : 1;
-            bool x318_26_ : 1;
-            bool x318_27_ : 1;
+            bool x318_26_requestRGBA6 : 1;
+            bool x318_27_currentRGBA6 : 1;
             bool x318_28_disableFog : 1;
             bool x318_29_thermalVisor : 1;
-            bool x318_30_ : 1;
-            bool x318_31_ : 1;
+            bool x318_30_inAreaDraw : 1;
+            bool x318_31_persistRGBA6 : 1;
         };
         u16 dummy = 0;
     };
@@ -157,6 +158,7 @@ public:
     void EnablePVS(const CPVSVisSet*, u32);
     void DisablePVS();
     void RemoveStaticGeometry(const std::vector<CMetroidModelInstance>*);
+    void DrawAreaGeometry(int areaIdx, int mask, int targetMask);
     void DrawUnsortedGeometry(int areaIdx, int mask, int targetMask);
     void DrawSortedGeometry(int areaIdx, int mask, int targetMask);
     void DrawStaticGeometry(int areaIdx, int mask, int targetMask);
@@ -233,6 +235,8 @@ public:
     void FindOverlappingWorldModels(std::vector<u32>& modelBits, const zeus::CAABox& aabb) const;
     int DrawOverlappingWorldModelIDs(int alphaVal, const std::vector<u32>& modelBits,
                                      const zeus::CAABox& aabb) const;
+    void DrawOverlappingWorldModelShadows(int alphaVal, const std::vector<u32>& modelBits,
+                                          const zeus::CAABox& aabb, float alpha) const;
 };
 
 }
diff --git a/Runtime/Graphics/CModel.hpp b/Runtime/Graphics/CModel.hpp
index 9c168613e..4689e9f7d 100644
--- a/Runtime/Graphics/CModel.hpp
+++ b/Runtime/Graphics/CModel.hpp
@@ -30,6 +30,7 @@ struct CModelFlags
     zeus::CColor color; /* Set into kcolor slot specified by material */
     zeus::CColor addColor = zeus::CColor::skClear;
     zeus::CColor regColors[3];
+    zeus::CAABox mbShadowBox;
 
     CModelFlags() = default;
     CModelFlags(u8 blendMode, u8 shadIdx, u16 flags, const zeus::CColor& col)
diff --git a/Runtime/Graphics/CModelBoo.cpp b/Runtime/Graphics/CModelBoo.cpp
index 7f33e2364..04a7c2897 100644
--- a/Runtime/Graphics/CModelBoo.cpp
+++ b/Runtime/Graphics/CModelBoo.cpp
@@ -506,10 +506,43 @@ void CBooModel::UVAnimationBuffer::PadOutBuffer(u8*& bufStart, u8*& bufOut)
     bufOut = bufStart + ROUND_UP_256(bufOut - bufStart);
 }
 
+static const zeus::CMatrix4f MBShadowPost0(1.f, 0.f, 0.f, 0.f,
+                                           0.f, -1.f, 0.f, 1.f,
+                                           0.f, 0.f, 0.f, 1.f,
+                                           0.f, 0.f, 0.f, 1.f);
+
+static const zeus::CMatrix4f MBShadowPost1(0.f, 0.f, 0.f, 1.f,
+                                           0.f, 0.f, 1.f, -0.0625f,
+                                           0.f, 0.f, 0.f, 1.f,
+                                           0.f, 0.f, 0.f, 1.f);
+
 void CBooModel::UVAnimationBuffer::Update(u8*& bufOut, const MaterialSet* matSet, const CModelFlags& flags)
 {
     u8* start = bufOut;
 
+    /* Special matrices for MorphBall shadow rendering */
+    if (flags.m_extendedShaderIdx == 6)
+    {
+        zeus::CMatrix4f texMtx =
+        (zeus::CTransform::Scale(1.f / (flags.mbShadowBox.max.x - flags.mbShadowBox.min.x),
+                                 1.f / (flags.mbShadowBox.max.y - flags.mbShadowBox.min.y),
+                                 1.f / (flags.mbShadowBox.max.z - flags.mbShadowBox.min.z)) *
+         zeus::CTransform::Translate(-flags.mbShadowBox.min.x,
+                                     -flags.mbShadowBox.min.y,
+                                     -flags.mbShadowBox.min.z) * CGraphics::g_GXModelView).toMatrix4f();
+        for (const MaterialSet::Material& mat : matSet->materials)
+        {
+            std::array<zeus::CMatrix4f, 2>* mtxs = reinterpret_cast<std::array<zeus::CMatrix4f, 2>*>(bufOut);
+            mtxs[0][0] = texMtx;
+            mtxs[0][1] = MBShadowPost0;
+            mtxs[1][0] = texMtx;
+            mtxs[1][1] = MBShadowPost1;
+            bufOut += sizeof(zeus::CMatrix4f) * 2 * 8;
+            PadOutBuffer(start, bufOut);
+        }
+        return;
+    }
+
     /* Special Mode0 matrix for exclusive Thermal Visor use */
     std::experimental::optional<std::array<zeus::CMatrix4f, 2>> thermalMtxOut;
     if (flags.m_extendedShaderIdx == 2)
diff --git a/Runtime/Graphics/IRenderer.hpp b/Runtime/Graphics/IRenderer.hpp
index 77340ff02..cbfe527d7 100644
--- a/Runtime/Graphics/IRenderer.hpp
+++ b/Runtime/Graphics/IRenderer.hpp
@@ -47,9 +47,10 @@ public:
     virtual void EnablePVS(const CPVSVisSet*, u32)=0;
     virtual void DisablePVS()=0;
     virtual void RemoveStaticGeometry(const std::vector<CMetroidModelInstance>*)=0;
-    virtual void DrawUnsortedGeometry(int, int, int)=0;
-    virtual void DrawSortedGeometry(int, int, int)=0;
-    virtual void DrawStaticGeometry(int, int, int)=0;
+    virtual void DrawAreaGeometry(int areaIdx, int mask, int targetMask)=0;
+    virtual void DrawUnsortedGeometry(int areaIdx, int mask, int targetMask)=0;
+    virtual void DrawSortedGeometry(int areaIdx, int mask, int targetMask)=0;
+    virtual void DrawStaticGeometry(int areaIdx, int mask, int targetMask)=0;
     virtual void PostRenderFogs()=0;
     virtual void AddParticleGen(const CParticleGen&)=0;
     virtual void AddPlaneObject(const void*, const zeus::CAABox&, const zeus::CPlane&, int)=0;
diff --git a/Runtime/World/CEnvFxManager.cpp b/Runtime/World/CEnvFxManager.cpp
index 48a5c3f56..74b6ce7e7 100644
--- a/Runtime/World/CEnvFxManager.cpp
+++ b/Runtime/World/CEnvFxManager.cpp
@@ -9,6 +9,11 @@ CEnvFxManager::CEnvFxManager()
 
 }
 
+void CEnvFxManager::Render(const CStateManager& mgr)
+{
+
+}
+
 void CEnvFxManager::AsyncLoadResources(CStateManager& mgr)
 {
 }
diff --git a/Runtime/World/CEnvFxManager.hpp b/Runtime/World/CEnvFxManager.hpp
index 7f782d54f..db3ca9dae 100644
--- a/Runtime/World/CEnvFxManager.hpp
+++ b/Runtime/World/CEnvFxManager.hpp
@@ -43,6 +43,7 @@ public:
     void AsyncLoadResources(CStateManager& mgr);
 
     void Update(float, float, EEnvFxType, const CStateManager&);
+    void Render(const CStateManager& mgr);
     void SetFxDensity(s32, float);
     void MoveWrapCells(s32, s32);
     void GetParticleBoundsToWorldScale() const;
diff --git a/Runtime/World/CMorphBall.cpp b/Runtime/World/CMorphBall.cpp
index b53e769e9..94f422f85 100644
--- a/Runtime/World/CMorphBall.cpp
+++ b/Runtime/World/CMorphBall.cpp
@@ -1,4 +1,6 @@
 #include "CMorphBall.hpp"
+#include "CPlayer.hpp"
+#include "CMorphBallShadow.hpp"
 
 namespace urde
 {
@@ -8,4 +10,28 @@ CMorphBall::CMorphBall(CPlayer& player, float)
 {
 }
 
+void CMorphBall::DrawBallShadow(const CStateManager& mgr)
+{
+    if (!x1e50_shadow)
+        return;
+
+    float alpha = 1.f;
+    switch (x0_player.x2f8_morphTransState)
+    {
+    case CPlayer::EPlayerMorphBallState::Unmorphed:
+        return;
+    case CPlayer::EPlayerMorphBallState::Unmorphing:
+        alpha = 0.f;
+        if (x0_player.x578_morphDuration != 0.f)
+            alpha = zeus::clamp(0.f, x0_player.x574_morphTime / x0_player.x578_morphDuration, 1.f);
+        alpha = 1.f - alpha;
+    case CPlayer::EPlayerMorphBallState::Morphing:
+        alpha = 0.f;
+        if (x0_player.x578_morphDuration != 0.f)
+            alpha = zeus::clamp(0.f, x0_player.x574_morphTime / x0_player.x578_morphDuration, 1.f);
+    default: break;
+    }
+    x1e50_shadow->Render(mgr, alpha);
+}
+
 }
diff --git a/Runtime/World/CMorphBall.hpp b/Runtime/World/CMorphBall.hpp
index 4300ac6c8..18751b2a3 100644
--- a/Runtime/World/CMorphBall.hpp
+++ b/Runtime/World/CMorphBall.hpp
@@ -15,6 +15,7 @@ class CDamageInfo;
 class CFinalInput;
 class CScriptWater;
 class CStateManager;
+class CMorphBallShadow;
 
 class CMorphBall
 {
@@ -31,6 +32,7 @@ public:
 private:
     CPlayer& x0_player;
     float x1DE8_boostTime = 0.f;
+    CMorphBallShadow* x1e50_shadow = nullptr;
 
 public:
     CMorphBall(CPlayer& player, float);
@@ -129,6 +131,7 @@ public:
     void GetBombJumpState() const {}
     void LoadAnimationTokens(const std::string&) {}
     void TakeDamage(float) {}
+    void DrawBallShadow(const CStateManager& mgr);
 };
 
 }
diff --git a/Runtime/World/CMorphBallShadow.cpp b/Runtime/World/CMorphBallShadow.cpp
index 5bf10262a..a6f500170 100644
--- a/Runtime/World/CMorphBallShadow.cpp
+++ b/Runtime/World/CMorphBallShadow.cpp
@@ -9,22 +9,10 @@
 namespace urde
 {
 
-static union
-{
-    struct
-    {
-        bool x_24_ : 1;
-        bool x_25_ : 1;
-        bool x_26_ : 1;
-        bool x_27_ : 1;
-    };
-    u16 _dummy = 0;
-} s_flags;
-
-void CMorphBallShadow::GatherAreas(CStateManager& mgr)
+void CMorphBallShadow::GatherAreas(const CStateManager& mgr)
 {
     x18_areas.clear();
-    for (CGameArea* area = mgr.WorldNC()->GetChainHead(EChain::Alive);
+    for (const CGameArea* area = mgr.GetWorld()->GetChainHead(EChain::Alive);
          area != CWorld::GetAliveAreasEnd();
          area = area->GetNext())
     {
@@ -36,15 +24,15 @@ void CMorphBallShadow::GatherAreas(CStateManager& mgr)
     }
 }
 
-void CMorphBallShadow::RenderIdBuffer(const zeus::CAABox& aabb, CStateManager& mgr, CPlayer& player)
+void CMorphBallShadow::RenderIdBuffer(const zeus::CAABox& aabb, const CStateManager& mgr, CPlayer& player)
 {
-    xb8_ = aabb;
+    xb8_shadowVolume = aabb;
     x0_actors.clear();
     x18_areas.clear();
     x30_worldModelBits.clear();
-    s_flags.x_26_ = true;
+    g_Renderer->x318_26_requestRGBA6 = true;
 
-    if (!s_flags.x_27_)
+    if (!g_Renderer->x318_27_currentRGBA6)
     {
         xd0_hasIds = false;
         return;
@@ -113,10 +101,10 @@ void CMorphBallShadow::RenderIdBuffer(const zeus::CAABox& aabb, CStateManager& m
     xd0_hasIds = alphaVal != 4;
 }
 
-bool CMorphBallShadow::AreasValid(CStateManager& mgr) const
+bool CMorphBallShadow::AreasValid(const CStateManager& mgr) const
 {
     auto it = x18_areas.begin();
-    for (CGameArea* area = mgr.WorldNC()->GetChainHead(EChain::Alive);
+    for (const CGameArea* area = mgr.GetWorld()->GetChainHead(EChain::Alive);
          area != CWorld::GetAliveAreasEnd();
          area = area->GetNext())
     {
@@ -134,11 +122,31 @@ bool CMorphBallShadow::AreasValid(CStateManager& mgr) const
     return true;
 }
 
-void CMorphBallShadow::Render(CStateManager& mgr, float alpha)
+void CMorphBallShadow::Render(const CStateManager& mgr, float alpha)
 {
     if (!xd0_hasIds || !AreasValid(mgr))
         return;
 
+    CModelFlags flags;
+    flags.color.a = alpha;
+    flags.m_extendedShaderIdx = 6;
+
+    int alphaVal = 4;
+    for (const CActor* actor : x0_actors)
+    {
+        const CModelData* modelData = actor->GetModelData();
+        zeus::CTransform modelXf = actor->GetTransform() * zeus::CTransform::Scale(modelData->GetScale());
+        CGraphics::SetModelMatrix(modelXf);
+
+        flags.color.r = alphaVal / 255.f;
+        const CBooModel& model = *modelData->PickStaticModel(CModelData::EWhichModel::Normal);
+        const_cast<CBooModel&>(model).VerifyCurrentShader(flags.m_matSetIdx);
+        model.DrawNormal(flags, nullptr, nullptr);
+        alphaVal += 4;
+    }
+
+    CGraphics::SetModelMatrix(zeus::CTransform::Identity());
+    g_Renderer->DrawOverlappingWorldModelShadows(alphaVal, x30_worldModelBits, xb8_shadowVolume, alpha);
 }
 
 }
diff --git a/Runtime/World/CMorphBallShadow.hpp b/Runtime/World/CMorphBallShadow.hpp
index 45922efa4..b81ce3776 100644
--- a/Runtime/World/CMorphBallShadow.hpp
+++ b/Runtime/World/CMorphBallShadow.hpp
@@ -21,13 +21,13 @@ class CMorphBallShadow
     //TToken<CTexture> xa8_ballFade;
     //int xb0_idW;
     //int xb4_idH;
-    zeus::CAABox xb8_;
+    zeus::CAABox xb8_shadowVolume;
     bool xd0_hasIds = false;
-    void GatherAreas(CStateManager& mgr);
-    bool AreasValid(CStateManager& mgr) const;
+    void GatherAreas(const CStateManager& mgr);
+    bool AreasValid(const CStateManager& mgr) const;
 public:
-    void RenderIdBuffer(const zeus::CAABox& aabb, CStateManager& mgr, CPlayer& player);
-    void Render(CStateManager& mgr, float alpha);
+    void RenderIdBuffer(const zeus::CAABox& aabb, const CStateManager& mgr, CPlayer& player);
+    void Render(const CStateManager& mgr, float alpha);
 };
 
 }
diff --git a/Runtime/World/CPlayer.cpp b/Runtime/World/CPlayer.cpp
index d59f13520..c65ab7bd8 100644
--- a/Runtime/World/CPlayer.cpp
+++ b/Runtime/World/CPlayer.cpp
@@ -99,9 +99,9 @@ bool CPlayer::GetExplorationMode() const { return false; }
 
 bool CPlayer::GetCombatMode() const { return false; }
 
-void CPlayer::RenderGun(CStateManager& mgr, const zeus::CVector3f&) const {}
+void CPlayer::RenderGun(const CStateManager& mgr, const zeus::CVector3f&) const {}
 
-void CPlayer::Render(CStateManager& mgr) const {}
+void CPlayer::Render(const CStateManager& mgr) const {}
 
 void CPlayer::RenderReflectedPlayer(CStateManager& mgr) const {}
 
diff --git a/Runtime/World/CPlayer.hpp b/Runtime/World/CPlayer.hpp
index 5fe7c9824..06aa15732 100644
--- a/Runtime/World/CPlayer.hpp
+++ b/Runtime/World/CPlayer.hpp
@@ -26,6 +26,7 @@ class CPlayer : public CPhysicsActor
     friend class CStateManager;
     friend class CFirstPersonCamera;
     friend class CPlayerCameraBob;
+    friend class CMorphBall;
 
 public:
     enum class EPlayerScanState
@@ -173,8 +174,8 @@ private:
     float x560_ = 0.f;
     zeus::CVector3f x564_;
     float x570_ = 0.f;
-    float x574_ = 0.f;
-    float x578_ = 0.f;
+    float x574_morphTime = 0.f;
+    float x578_morphDuration = 0.f;
     u32 x57c_ = 0;
     u32 x580_ = 0;
     float x588_alpha = 1.f;
@@ -314,8 +315,8 @@ public:
     void SetSpawnedMorphBallState(EPlayerMorphBallState, CStateManager&);
     bool GetExplorationMode() const;
     bool GetCombatMode() const;
-    void RenderGun(CStateManager& mgr, const zeus::CVector3f&) const;
-    void Render(CStateManager& mgr) const;
+    void RenderGun(const CStateManager& mgr, const zeus::CVector3f&) const;
+    void Render(const CStateManager& mgr) const;
     void RenderReflectedPlayer(CStateManager& mgr) const;
     void PreRender(CStateManager& mgr, const zeus::CFrustum&);
     void CalculateRenderBounds();
diff --git a/Runtime/World/CProjectedShadow.cpp b/Runtime/World/CProjectedShadow.cpp
index ca5bf4935..3771a84ce 100644
--- a/Runtime/World/CProjectedShadow.cpp
+++ b/Runtime/World/CProjectedShadow.cpp
@@ -14,8 +14,14 @@ zeus::CAABox CProjectedShadow::CalculateRenderBounds()
     return {};
 }
 
-void CProjectedShadow::Render(CStateManager&, const CModelData&, const zeus::CTransform&, s32,
-                                 const zeus::CVector3f&, float, float)
+void CProjectedShadow::Render(const CStateManager& mgr)
+{
+
+}
+
+void CProjectedShadow::RenderShadowBuffer(const CStateManager&, const CModelData&,
+                                          const zeus::CTransform&, s32,
+                                          const zeus::CVector3f&, float, float)
 {
 }
 }
diff --git a/Runtime/World/CProjectedShadow.hpp b/Runtime/World/CProjectedShadow.hpp
index 8ff282882..cdbec191e 100644
--- a/Runtime/World/CProjectedShadow.hpp
+++ b/Runtime/World/CProjectedShadow.hpp
@@ -25,8 +25,10 @@ public:
     CProjectedShadow(u32, u32, bool);
 
     zeus::CAABox CalculateRenderBounds();
-    void Render(CStateManager&, const CModelData&, const zeus::CTransform&, s32, const zeus::CVector3f&, float,
-                   float);
+    void Render(const CStateManager& mgr);
+    void RenderShadowBuffer(const CStateManager&, const CModelData&,
+                            const zeus::CTransform&, s32,
+                            const zeus::CVector3f&, float, float);
 };
 }
 #endif // __URDE_CPROJECTEDSHADOW_HPP__
diff --git a/Runtime/World/CWorld.hpp b/Runtime/World/CWorld.hpp
index 21c983790..555c27877 100644
--- a/Runtime/World/CWorld.hpp
+++ b/Runtime/World/CWorld.hpp
@@ -156,6 +156,7 @@ public:
     void MoveAreaToChain3(TAreaId aid);
     bool CheckWorldComplete(CStateManager* mgr, TAreaId id, ResId mreaId);
     CGameArea* GetChainHead(EChain chain) { return x4c_chainHeads[int(chain)]; }
+    const CGameArea* GetChainHead(EChain chain) const { return x4c_chainHeads[int(chain)]; }
     bool ScheduleAreaToLoad(CGameArea* area, CStateManager& mgr);
     void TravelToArea(TAreaId aid, CStateManager& mgr, bool);
     void SetPauseState(bool paused);
diff --git a/Runtime/World/CWorldTransManager.cpp b/Runtime/World/CWorldTransManager.cpp
index 9387bd81f..7736917be 100644
--- a/Runtime/World/CWorldTransManager.cpp
+++ b/Runtime/World/CWorldTransManager.cpp
@@ -268,7 +268,7 @@ void CWorldTransManager::DrawEnabled()
                                wsAspect,
                                CCameraManager::NearPlane(),
                                CCameraManager::FarPlane());
-    g_Renderer->x318_26_ = true;
+    g_Renderer->x318_26_requestRGBA6 = true;
 
     if (x0_curTime <= x4_modelData->x1d0_dissolveStartTime)
         DrawFirstPass();
diff --git a/hecl b/hecl
index d45a50ed5..406cff486 160000
--- a/hecl
+++ b/hecl
@@ -1 +1 @@
-Subproject commit d45a50ed51093547a18203a9844dcb90ea3ca2ea
+Subproject commit 406cff486a82467877dd99fbe01beefd5f0f27a6