Add CWorldShadow

Former-commit-id: 552dc65a2c

asm/Kyoto/Graphics/DolphinCTexture.s

@@ -54,8 +54,8 @@ lbl_805A9438:
 
 .section .text, "ax"
 
-.global sub_8030e10c
+.global sub_8030e10c__8CTextureFv
-sub_8030e10c:
+sub_8030e10c__8CTextureFv:
 /* 8030E10C 0030B06C  94 21 FF F0 */	stwu r1, -0x10(r1)
 /* 8030E110 0030B070  7C 08 02 A6 */	mflr r0
 /* 8030E114 0030B074  90 01 00 14 */	stw r0, 0x14(r1)

asm/MetaRender/CCubeRenderer.s

@@ -9161,7 +9161,7 @@ BeginScene__13CCubeRendererFv:
 /* 802BDD6C 002BACCC  2C 00 00 00 */	cmpwi r0, 0
 /* 802BDD70 002BACD0  40 82 00 20 */	bne lbl_802BDD90
 /* 802BDD74 002BACD4  80 7F 03 14 */	lwz r3, 0x314(r31)
-/* 802BDD78 002BACD8  48 05 03 95 */	bl sub_8030e10c
+/* 802BDD78 002BACD8  48 05 03 95 */	bl sub_8030e10c__8CTextureFv
 /* 802BDD7C 002BACDC  80 7F 03 14 */	lwz r3, 0x314(r31)
 /* 802BDD80 002BACE0  38 80 00 01 */	li r4, 1
 /* 802BDD84 002BACE4  48 05 1C 75 */	bl __dt__8CTextureFv
@@ -9854,7 +9854,7 @@ __dt__13CCubeRendererFv:
 /* 802BE6DC 002BB63C  80 7E 03 14 */	lwz r3, 0x314(r30)
 /* 802BE6E0 002BB640  28 03 00 00 */	cmplwi r3, 0
 /* 802BE6E4 002BB644  41 82 00 08 */	beq lbl_802BE6EC
-/* 802BE6E8 002BB648  48 04 FA 25 */	bl sub_8030e10c
+/* 802BE6E8 002BB648  48 04 FA 25 */	bl sub_8030e10c__8CTextureFv
 lbl_802BE6EC:
 /* 802BE6EC 002BB64C  34 1E 03 14 */	addic. r0, r30, 0x314
 /* 802BE6F0 002BB650  41 82 00 10 */	beq lbl_802BE700

asm/MetroidPrime/CProjectedShadow.s

@@ -876,7 +876,7 @@ __dt__16CProjectedShadowFv:
 /* 8029E394 0029B2F4  93 C1 00 08 */	stw r30, 8(r1)
 /* 8029E398 0029B2F8  7C 7E 1B 79 */	or. r30, r3, r3
 /* 8029E39C 0029B2FC  41 82 00 24 */	beq lbl_8029E3C0
-/* 8029E3A0 0029B300  48 06 FD 6D */	bl sub_8030e10c
+/* 8029E3A0 0029B300  48 06 FD 6D */	bl sub_8030e10c__8CTextureFv
 /* 8029E3A4 0029B304  7F C3 F3 78 */	mr r3, r30
 /* 8029E3A8 0029B308  38 80 FF FF */	li r4, -1
 /* 8029E3AC 0029B30C  48 07 16 4D */	bl __dt__8CTextureFv

asm/MetroidPrime/CWorldShadow.s

@@ -908,7 +908,7 @@ __dt__12CWorldShadowFv:
 /* 80111B74 0010EAD4  80 7E 00 00 */	lwz r3, 0(r30)
 /* 80111B78 0010EAD8  28 03 00 00 */	cmplwi r3, 0
 /* 80111B7C 0010EADC  41 82 00 08 */	beq lbl_80111B84
-/* 80111B80 0010EAE0  48 1F C5 8D */	bl sub_8030e10c
+/* 80111B80 0010EAE0  48 1F C5 8D */	bl sub_8030e10c__8CTextureFv
 lbl_80111B84:
 /* 80111B84 0010EAE4  28 1E 00 00 */	cmplwi r30, 0
 /* 80111B88 0010EAE8  41 82 00 10 */	beq lbl_80111B98
@@ -1007,4 +1007,3 @@ lbl_803CF1F8:
 	# ROM: 0x3CC1F8
 	.asciz "??(??)"
 	.balign 4
-

asm/MetroidPrime/Player/CMorphBallShadow.s

@@ -1049,7 +1049,7 @@ __dt__16CMorphBallShadowFv:
 /* 80296A7C 002939DC  7C 7E 1B 79 */	or. r30, r3, r3
 /* 80296A80 002939E0  41 82 00 9C */	beq lbl_80296B1C
 /* 80296A84 002939E4  38 7E 00 40 */	addi r3, r30, 0x40
-/* 80296A88 002939E8  48 07 76 85 */	bl sub_8030e10c
+/* 80296A88 002939E8  48 07 76 85 */	bl sub_8030e10c__8CTextureFv
 /* 80296A8C 002939EC  34 1E 00 A8 */	addic. r0, r30, 0xa8
 /* 80296A90 002939F0  41 82 00 10 */	beq lbl_80296AA0
 /* 80296A94 002939F4  38 7E 00 A8 */	addi r3, r30, 0xa8

configure.py

@@ -138,7 +138,7 @@ LIBS = [
             ["MetroidPrime/CActorParameters", False],
             "MetroidPrime/CInGameGuiManager",
             "MetroidPrime/Enemies/CWarWasp",
-            "MetroidPrime/CWorldShadow",
+            ["MetroidPrime/CWorldShadow", False],
             ["MetroidPrime/CAudioStateWin", True],
             "MetroidPrime/Player/CPlayerVisor",
             "MetroidPrime/CModelData",

include/Kyoto/Graphics/CCubeModel.hpp

@@ -1,9 +1,15 @@
 #ifndef _CCUBEMODEL
 #define _CCUBEMODEL
 
+class CTexture;
+class CTransform4f;
+
 class CCubeModel {
 public:
   static void SetRenderModelBlack(bool v);
+  static void DisableShadowMaps();
+  static void EnableShadowMaps(const CTexture*, const CTransform4f&, unsigned char, unsigned char);
+  static void SetDrawingOccluders(bool);
 };
 
 #endif // _CCUBEMODEL

include/Kyoto/Graphics/CGraphics.hpp

@@ -161,6 +161,7 @@ struct CViewport {
 class COsContext;
 class CTexture;
 class CTimeProvider;
+class CTexture;
 
 // TODO
 typedef struct {
@@ -234,6 +235,9 @@ public:
   static void SetDefaultVtxAttrFmt();
   static CMatrix4f GetPerspectiveProjectionMatrix();
   static CMatrix4f CalculatePerspectiveMatrix(float fovy, float aspect, float znear, float zfar);
+  
+  static float GetDepthNear() { return mDepthNear; }
+  static float GetDepthFar() { return mDepthFar; }
 
   static bool IsBeginSceneClearFb();
   static void SetIsBeginSceneClearFb(bool);
@@ -243,6 +247,7 @@ public:
   static void SetTevOp(ERglTevStage stage, const CTevCombiners::CTevPass& pass);
   static void StreamBegin(ERglPrimitive primitive);
   static void StreamColor(uint color);
+  static void StreamColor(float, float, float, float);
   static void StreamColor(const CColor& color);
   static void StreamTexcoord(float u, float v);
   static void StreamVertex(float, float, float);
@@ -284,6 +289,9 @@ public:
   static void sub_80309564(uint* stretch, uint* xOffset, uint* yOffset);
   static void sub_803094b0(uint stretch, uint xOffset, uint yOffset);
 
+  // Render
+  static void Render2D(const CTexture& tex, int x, int y, int w, int h, const CColor& col);
+
   static CTevCombiners::CTevPass& kEnvPassthru;
   static CTevCombiners::CTevPass kEnvModulateConstColor;
   static CTevCombiners::CTevPass kEnvConstColor;

include/Kyoto/Graphics/CTexture.hpp

@@ -7,6 +7,21 @@
 
 class CInputStream;
 
+enum ETexelFormat {
+  kTF_Invalid = -1,
+  kTF_I4 = 0,
+  kTF_I8 = 1,
+  kTF_IA4 = 2,
+  kTF_IA8 = 3,
+  kTF_C4 = 4,
+  kTF_C8 = 5,
+  kTF_C14X2 = 6,
+  kTF_RGB565 = 7,
+  kTF_RGB5A3 = 8,
+  kTF_RGBA8 = 9,
+  kTF_CMPR = 10,
+};
+
 class CTexture {
 public:
   enum EClampMode {
@@ -21,20 +36,35 @@ public:
     kBK_Zero,
   };
 
+  CTexture(ETexelFormat fmt, short w, short h, int mips);
   CTexture(CInputStream& stream, EAutoMipmap mip, EBlackKey bk);
+  ~CTexture();
+  
+  // Used in certain destructors
+  void sub_8030e10c();
 
   void Load(GXTexMapID texMapId, EClampMode clampMode) const;
+  void UnLock();
+
+  void* GetBitMapData(int);
 
   static void InvalidateTexmap(GXTexMapID id);
 
+  uint GetTexelFormat() const { return mTexelFormat; }
   short GetWidth() const { return mWidth; }
   short GetHeight() const { return mHeight; }
+  
+  void SetFlag1(bool b) { mFlag1 = b; }
 
 private:
   uint mTexelFormat; // TODO: Enum
   short mWidth;
   short mHeight;
-  uchar pad[0x60];
+  uchar mNumMips;
+  uchar mBitsPerPixel;
+  uchar mFlag1 : 1;
+  uchar pad[0x57];
 };
+// CHECK_SIZEOF(CTexture, )
 
 #endif // _CTEXTURE

include/Kyoto/Math/CFrustumPlanes.hpp

@@ -20,6 +20,7 @@ public:
     float z;
     float d;
   };
+  CFrustumPlanes(const CTransform4f&, float, float, float, bool, float);
 
   bool BoxInFrustumPlanes(const CAABox& box) const;
   bool BoxInFrustumPlanes(const rstl::optional_object< CAABox >& box) const;

include/Kyoto/PVS/CPVSVisSet.hpp

@@ -0,0 +1,17 @@
+#ifndef _CPVSVISSET
+#define _CPVSVISSET
+
+#include "rstl/auto_ptr.hpp"
+
+class CPVSVisSet {
+public:
+  static CPVSVisSet Reset(int);
+
+private:
+  int x0_state;
+  uint x4_numBits;
+  uint x8_numLights;
+  rstl::auto_ptr< u8 > x10_ptr;
+};
+
+#endif // _CPVSVISSET

include/MetaRender/CCubeRenderer.hpp

@@ -25,13 +25,13 @@ public:
   ~CCubeRenderer() override;
   // TODO types
   void AddStaticGeometry() override;
-  void EnablePVS() override;
+  void EnablePVS(const CPVSVisSet& set, int areaIdx) override;
   void DisablePVS() override;
   void RemoveStaticGeometry() override;
-  void DrawUnsortedGeometry() override;
+  void DrawUnsortedGeometry(int areaIdx, int mask, int targetMask) override;
-  void DrawSortedGeometry() override;
+  void DrawSortedGeometry(int areaIdx, int mask, int targetMask) override;
-  void DrawStaticGeometry() override;
+  void DrawStaticGeometry(int areaIdx, int mask, int targetMask) override;
-  void DrawAreaGeometry() override;
+  void DrawAreaGeometry(int areaIdx, int mask, int targetMask) override;
   void PostRenderFogs() override;
   void SetModelMatrix(const CTransform4f& xf) override;
   void AddParticleGen(const CParticleGen& gen) override;
@@ -45,8 +45,8 @@ public:
   void SetPerspective2() override;
   rstl::pair< CVector2f, CVector2f > SetViewportOrtho(bool centered, float znear,
                                                       float zfar) override;
-  void SetClippingPlanes() override;
+  void SetClippingPlanes(const CFrustumPlanes&) override;
-  void SetViewport() override;
+  void SetViewport(int left, int right, int width, int height) override;
   void SetDepthReadWrite(bool read, bool update) override;
   void SetBlendMode_AdditiveAlpha() override;
   void SetBlendMode_AlphaBlended() override;
@@ -90,7 +90,7 @@ public:
   void SetGXRegister1Color() override;
   void SetWorldLightFadeLevel() override;
   void Something() override;
-  void PrepareDynamicLights() override;
+  void PrepareDynamicLights(const rstl::vector<CLight>& lights) override;
 
   void AllocatePhazonSuitMaskTexture();
 

include/MetaRender/IRenderer.hpp

@@ -3,6 +3,7 @@
 
 #include "types.h"
 #include "rstl/pair.hpp"
+#include "rstl/vector.hpp"
 
 #include "Kyoto/TToken.hpp"
 
@@ -16,8 +17,11 @@ class CAABox;
 class CVector2f;
 class CVector3f;
 class CModel;
+class CFrustumPlanes;
 class CSkinnedModel;
 class CColor;
+class CLight;
+class CPVSVisSet;
 
 class IRenderer {
 public:
@@ -32,13 +36,13 @@ public:
   // TODO vtable
   
   virtual void AddStaticGeometry();
-  virtual void EnablePVS();
+  virtual void EnablePVS(const CPVSVisSet& set, int areaIdx);
   virtual void DisablePVS();
   virtual void RemoveStaticGeometry();
-  virtual void DrawUnsortedGeometry();
+  virtual void DrawUnsortedGeometry(int areaIdx, int mask, int targetMask);
-  virtual void DrawSortedGeometry();
+  virtual void DrawSortedGeometry(int areaIdx, int mask, int targetMask);
-  virtual void DrawStaticGeometry();
+  virtual void DrawStaticGeometry(int areaIdx, int mask, int targetMask);
-  virtual void DrawAreaGeometry();
+  virtual void DrawAreaGeometry(int areaIdx, int mask, int targetMask);
   virtual void PostRenderFogs();
   virtual void SetModelMatrix(const CTransform4f& xf);
   virtual void AddParticleGen(const CParticleGen& gen);
@@ -52,8 +56,8 @@ public:
   virtual void SetPerspective2();
   virtual rstl::pair< CVector2f, CVector2f > SetViewportOrtho(bool centered, float znear,
                                                               float zfar);
-  virtual void SetClippingPlanes();
+  virtual void SetClippingPlanes(const CFrustumPlanes&);
-  virtual void SetViewport();
+  virtual void SetViewport(int left, int right, int width, int height);
   virtual void SetDepthReadWrite(bool read, bool update);
   virtual void SetBlendMode_AdditiveAlpha();
   virtual void SetBlendMode_AlphaBlended();
@@ -98,7 +102,7 @@ public:
   virtual void SetGXRegister1Color();
   virtual void SetWorldLightFadeLevel();
   virtual void Something();
-  virtual void PrepareDynamicLights();
+  virtual void PrepareDynamicLights(const rstl::vector<CLight>& lights);
 };
 
 namespace Renderer {

include/MetroidPrime/CGameArea.hpp

@@ -47,6 +47,7 @@ class CToken;
 class IDvdRequest;
 class CScriptAreaAttributes;
 class CWorldLight;
+class CPVSAreaSet;
 
 class CGameArea : public IGameArea {
 public:
@@ -150,9 +151,11 @@ public:
   enum EOcclusionState { kOS_Occluded, kOS_Visible };
 
   struct CPostConstructed {
-    uchar x0_pad[0x10c4];
+    uchar x0_pad[0xa0];
+    CPVSAreaSet* xa0_pvs;
+    uchar xa4_pad[0x1020];
     rstl::single_ptr< CAreaFog > x10c4_areaFog;
-    rstl::optional_object< void* > x10c8_sclyBuf; // was rstl::optional_object<void*>
+    rstl::optional_object< void* > x10c8_sclyBuf;
     u32 x10d0_sclySize;
     const u8* x10d4_firstMatPtr;
     const CScriptAreaAttributes* x10d8_areaAttributes;
@@ -165,6 +168,7 @@ public:
   EOcclusionState GetOcclusionState() const { return x12c_postConstructed->x10dc_occlusionState; }
   const rstl::vector<CWorldLight>& GetLightsA() const;
   const rstl::vector<CWorldLight>& GetLightsB() const;
+  const CPVSAreaSet* GetAreaVisSet() const { return x12c_postConstructed->xa0_pvs; }
 
 private:
   uchar x110_pad[0x1c];

include/MetroidPrime/CWorldShadow.hpp

@@ -9,6 +9,8 @@
 #include "rstl/single_ptr.hpp"
 
 class CTexture;
+class CStateManager;
+class CAABox;
 
 class CWorldShadow {
   rstl::single_ptr< CTexture > x0_texture;
@@ -25,8 +27,8 @@ public:
   CWorldShadow(uint w, uint h, bool rgba8);
   ~CWorldShadow();
 
-  void EnableModelProjectedShadow(const CTransform4f& pos, uint lightIdx, float f1);
+  void EnableModelProjectedShadow(const CTransform4f& pos, uint lightIdx, float f1) const;
-  void DisableModelProjectedShadow();
+  void DisableModelProjectedShadow() const;
   void BuildLightShadowTexture(const CStateManager& mgr, TAreaId aid, uint lightIdx,
                                const CAABox& aabb, bool motionBlur, bool lighten);
   void ResetBlur();

include/WorldFormat/CPVSAreaSet.hpp

@@ -0,0 +1,11 @@
+#ifndef _CPVSAREASET
+#define _CPVSAREASET
+
+class CPVSVisSet;
+
+class CPVSAreaSet {
+public:
+  CPVSVisSet GetLightSet(int) const;
+};
+
+#endif // _CPVSAREASET

include/WorldFormat/CWorldLight.hpp

@@ -24,6 +24,8 @@ public:
 
 
   CLight GetAsCGraphicsLight() const;
+  const CVector3f& GetPosition() const { return x10_position; }
+
 public:
   EWorldLightType x0_type;
   CVector3f x4_color;

src/MetroidPrime/CWorldShadow.cpp

@@ -0,0 +1,185 @@
+#include "MetroidPrime/CWorldShadow.hpp"
+
+#include "MetroidPrime/CGameArea.hpp"
+#include "MetroidPrime/CStateManager.hpp"
+#include "MetroidPrime/CWorld.hpp"
+#include "WorldFormat/CPVSAreaSet.hpp"
+#include "WorldFormat/CWorldLight.hpp"
+
+#include "Kyoto/Alloc/CMemory.hpp"
+#include "Kyoto/Graphics/CCubeModel.hpp"
+#include "Kyoto/Graphics/CTexture.hpp"
+#include "Kyoto/Math/CMath.hpp"
+#include "Kyoto/PVS/CPVSVisSet.hpp"
+#include "MetaRender/CCubeRenderer.hpp"
+
+static int kUnknownValue = 1;
+
+CWorldShadow::CWorldShadow(uint w, uint h, bool rgba8)
+: x0_texture(NEW CTexture(rgba8 ? kTF_RGBA8 : kTF_RGB565, w, h, 1))
+, x4_view(CTransform4f::Identity())
+, x34_model(CTransform4f::Identity())
+, x64_objHalfExtent(1.f)
+, x68_objPos(0.0f, 1.f, 0.0f)
+, x74_lightPos(CVector3f::Zero())
+, x80_aid(kInvalidAreaId)
+, x84_lightIdx(-1)
+, x88_blurReset(true)
+
+{}
+
+CWorldShadow::~CWorldShadow() {
+  if (x0_texture.get())
+    x0_texture->sub_8030e10c();
+}
+
+void CWorldShadow::BuildLightShadowTexture(const CStateManager& mgr, TAreaId aid, uint lightIdx,
+                                           const CAABox& aabb, bool motionBlur, bool lighten) {
+  if (x80_aid != aid || x84_lightIdx != lightIdx) {
+    x88_blurReset = true;
+    x80_aid = aid;
+    x84_lightIdx = lightIdx;
+  }
+
+  if (aid != kInvalidAreaId) {
+    const CGameArea& area = mgr.GetWorld()->GetAreaAlways(aid);
+    if (area.IsLoaded()) {
+      const CWorldLight& light = area.GetLightsA()[lightIdx];
+      CVector3f centerPoint = aabb.GetCenterPoint();
+      const CPVSAreaSet* pvs = area.GetAreaVisSet();
+      if (pvs && kUnknownValue == 1) {
+        CPVSVisSet lightSet = pvs->GetLightSet(lightIdx);
+        gpRender->EnablePVS(lightSet, aid.Value());
+      } else {
+        gpRender->EnablePVS(CPVSVisSet::Reset(2), aid.Value());
+      }
+      CVector3f lightToPoint = centerPoint - light.GetPosition();
+      x64_objHalfExtent = (aabb.GetMaxPoint() - centerPoint).Magnitude();
+      float distance = lightToPoint.Magnitude();
+      float fov = CMath::Rad2Deg(atan2f(x64_objHalfExtent, distance)) * 2.f;
+      if (!(fov < 0.00001f)) {
+        lightToPoint.Normalize();
+        x4_view =
+            CTransform4f::LookAt(light.GetPosition(), centerPoint, CVector3f(0.0f, 0.0f, -1.0f));
+        x68_objPos = centerPoint;
+        x74_lightPos = light.GetPosition();
+        CGraphics::SetViewPointMatrix(x4_view);
+        CFrustumPlanes frumtum(
+          x4_view,
+          fov * 0.01745329238474369,
+          1.0f,
+          0.1f,
+          true,
+          distance + x64_objHalfExtent
+        );
+        gpRender->SetClippingPlanes(frumtum);
+        gpRender->SetPerspective1(fov, x0_texture->GetWidth(), x0_texture->GetHeight(), 0.1f,
+                                  1000.f);
+        float backupDepthNear = CGraphics::GetDepthNear();
+        float backupDepthFar = CGraphics::GetDepthFar();
+        CGraphics::SetDepthRange(0.f, 1.0f);
+        int backupVpHeight = CGraphics::GetViewport().mHeight;
+        int backupVpWidth = CGraphics::GetViewport().mWidth;
+        int backupVpTop = CGraphics::GetViewport().mTop;
+        int backupVpLeft = CGraphics::GetViewport().mLeft;
+        gpRender->SetViewport(0, 0, x0_texture->GetWidth(), x0_texture->GetHeight());
+
+        float extent = 1.4142f * x64_objHalfExtent;
+        x34_model =
+            CTransform4f::LookAt(centerPoint - CVector3f(0.f, 0.f, 0.1f), light.GetPosition());
+        gpRender->SetModelMatrix(x34_model);
+
+        gpRender->PrimColor(CColor::White());
+        CGraphics::SetAlphaCompare(kAF_Always, 0, kAO_And, kAF_Always, 0);
+        CGraphics::SetDepthWriteMode(true, kE_LEqual, true);
+        CGraphics::SetBlendMode(kBM_Blend, kBF_SrcAlpha, kBF_InvSrcAlpha, kLO_Clear);
+        CGraphics::SetTevOp(kTS_Stage0, CGraphics::kEnvPassthru);
+        CGraphics::SetTevOp(kTS_Stage1, CGraphics::kEnvPassthru);
+
+        gpRender->BeginTriangleStrip(4);
+        gpRender->PrimVertex(CVector3f(-extent, 0.f, extent));
+        gpRender->PrimVertex(CVector3f(extent, 0.f, extent));
+        gpRender->PrimVertex(CVector3f(-extent, 0.f, -extent));
+        gpRender->PrimVertex(CVector3f(extent, 0.f, -extent));
+        gpRender->EndPrimitive();
+
+        gpRender->SetModelMatrix(CTransform4f::Identity());
+        CCubeModel::SetRenderModelBlack(true);
+        CCubeModel::SetDrawingOccluders(true);
+        gpRender->PrepareDynamicLights(rstl::vector< CLight >());
+        gpRender->DrawUnsortedGeometry(aid.value, 0, 0);
+        CCubeModel::SetRenderModelBlack(false);
+        CCubeModel::SetDrawingOccluders(false);
+
+        if (lighten) {
+          gpRender->SetModelMatrix(x34_model);
+          CGraphics::SetAlphaCompare(kAF_Always, 0, kAO_And, kAF_Always, 0);
+          CGraphics::SetDepthWriteMode(false, kE_LEqual, false);
+          CGraphics::SetBlendMode(kBM_Blend, kBF_SrcAlpha, kBF_InvSrcAlpha, kLO_Clear);
+          CGraphics::SetTevOp(kTS_Stage0, CGraphics::kEnvPassthru);
+          CGraphics::SetTevOp(kTS_Stage1, CGraphics::kEnvPassthru);
+          CGraphics::StreamBegin(kP_TriangleStrip);
+          CGraphics::StreamColor(1.f, 1.f, 1.f, 0.25f);
+          CGraphics::StreamVertex(CVector3f(-extent, 0.f, extent));
+          CGraphics::StreamVertex(CVector3f(extent, 0.f, extent));
+          CGraphics::StreamVertex(CVector3f(-extent, 0.f, -extent));
+          CGraphics::StreamVertex(CVector3f(extent, 0.f, -extent));
+          CGraphics::StreamEnd();
+          CGraphics::SetDepthWriteMode(true, kE_LEqual, true);
+        }
+
+        if (motionBlur && x88_blurReset != true) {
+          CGraphics::SetDepthWriteMode(false, kE_LEqual, false);
+          CGraphics::SetBlendMode(kBM_Blend, kBF_SrcAlpha,
+                                  kBF_InvSrcAlpha, kLO_Clear);
+          CGraphics::SetAlphaCompare(kAF_Always, 0, kAO_And,
+                                     kAF_Always, 0);
+          CGraphics::SetTevOp(kTS_Stage0, CGraphics::kEnvModulate);
+          CGraphics::SetTevOp(kTS_Stage1, CGraphics::kEnvPassthru);
+          CGraphics::Render2D(*x0_texture, 0, x0_texture->GetWidth() * 2,
+                              x0_texture->GetHeight() * 2, x0_texture->GetWidth() * -2,
+                              CColor(1.f, 1.f, 1.f, 0.85f));
+          CGraphics::SetDepthWriteMode(true, kE_LEqual, true);
+        }
+
+        x88_blurReset = false;
+
+        GXSetTexCopySrc(0, 448 - x0_texture->GetHeight() * 2, x0_texture->GetWidth() * 2, x0_texture->GetHeight() * 2);
+        GXTexFmt fmt = GX_TF_RGBA8;
+        if (x0_texture->GetTexelFormat() == 0x7) {
+          fmt = GX_TF_RGB565;
+        }
+        GXSetTexCopyDst(x0_texture->GetWidth(), x0_texture->GetHeight(), fmt, true);
+        static int unkInt = 0;
+        x0_texture->SetFlag1(true);
+        void * dest = x0_texture->GetBitMapData(0);
+        GXCopyTex(dest, true);
+        x0_texture->UnLock();
+
+        gpRender->SetViewport(backupVpLeft, backupVpTop, backupVpWidth, backupVpHeight);
+        CGraphics::SetDepthRange(backupDepthNear, backupDepthFar);
+      }
+    }
+  }
+}
+
+void CWorldShadow::EnableModelProjectedShadow(const CTransform4f& pos, uint lightIdx,
+                                              float f1) const {
+
+  static float M_SQRT2 = CMath::SqrtD(2.0); // TODO: should be an inlined function
+  CTransform4f texTransform = CTransform4f::LookAt(CVector3f::Zero(), x74_lightPos - x68_objPos,
+                                                   CVector3f(0.0f, 0.0f, 1.0f));
+  CTransform4f posXf = pos;
+  posXf.SetTranslation(CVector3f::Zero());
+  texTransform = posXf.GetInverse() * texTransform;
+  texTransform = texTransform * CTransform4f::Scale(float(M_SQRT2) * x64_objHalfExtent * f1);
+  texTransform = texTransform.GetInverse();
+  texTransform = CTransform4f::Translate(0.5f, 0.f, 0.5f) * texTransform;
+
+  uchar lightMask = 1 << lightIdx;
+  CCubeModel::EnableShadowMaps(x0_texture.get(), texTransform, lightMask, lightMask);
+}
+
+void CWorldShadow::DisableModelProjectedShadow() const { CCubeModel::DisableShadowMaps(); }
+
+void CWorldShadow::ResetBlur() { x88_blurReset = true; }