Improve match for CScriptSpecialFunction::Render

asm/MetroidPrime/ScriptObjects/CScriptSpecialFunction.s

@@ -16,7 +16,7 @@ lbl_803E2B68:
 	.4byte SetActive__6CActorFb
 	.4byte PreRender__22CScriptSpecialFunctionFR13CStateManagerRC14CFrustumPlanes
 	.4byte AddToRenderer__22CScriptSpecialFunctionFRC14CFrustumPlanesR13CStateManager
-	.4byte Render__22CScriptSpecialFunctionCFRC13CStateManager
+	.4byte Render__22CScriptSpecialFunctionFR13CStateManager
 	.4byte CanRenderUnsorted__6CActorCFRC13CStateManager
 	.4byte CalculateRenderBounds__6CActorFv
 	.4byte HealthInfo__6CActorFR13CStateManager
@@ -958,8 +958,8 @@ lbl_8014FC98:
 /* 8014FCB4 0014CC14  38 21 08 B0 */	addi r1, r1, 0x8b0
 /* 8014FCB8 0014CC18  4E 80 00 20 */	blr
 
-.global Render__22CScriptSpecialFunctionCFRC13CStateManager
-Render__22CScriptSpecialFunctionCFRC13CStateManager:
+.global Render__22CScriptSpecialFunctionFR13CStateManager
+Render__22CScriptSpecialFunctionFR13CStateManager:
 /* 8014FCBC 0014CC1C  94 21 FE A0 */	stwu r1, -0x160(r1)
 /* 8014FCC0 0014CC20  7C 08 02 A6 */	mflr r0
 /* 8014FCC4 0014CC24  90 01 01 64 */	stw r0, 0x164(r1)

include/Kyoto/Math/CAABox.hpp

@@ -67,6 +67,13 @@ public:
   CVector3f ClampToBox(const CVector3f& vec) const;
   CAABox GetTransformedAABox(const CTransform4f& xf) const;
 
+  inline CVector3f GetExtents() const {
+    // Name is a guess
+    CVector3f result = max - min;
+    result *= 0.5f;
+    return result;
+  }
+
   const CVector3f& GetMinPoint() const { return min; }
   const CVector3f& GetMaxPoint() const { return max; }
 

include/Kyoto/Math/CTransform4f.hpp

@@ -70,7 +70,7 @@ public:
   // RotateZ__12CTransform4fFRC9CRelAngle
   // Scale__12CTransform4fFf
   // Scale__12CTransform4fFfff
-  // Scale__12CTransform4fFRC9CVector3f
+  static CTransform4f Scale(const CVector3f&);
   // ScaleBy__12CTransform4fFf
   // SetRotation__12CTransform4fFRC12CTransform4f
   // SetRotation__12CTransform4fFRC9CMatrix3f

include/MetaRender/CCubeRenderer.hpp

@@ -71,7 +71,7 @@ public:
   virtual void DrawModelFlat();
   virtual void SetWireframeFlags();
   virtual void SetWorldFog();
-  virtual void RenderFogVolume();
+  virtual void RenderFogVolume(const CColor&, const CAABox&, const TLockedToken<CModel>*, const CSkinnedModel*);
   virtual void SetThermal();
   virtual void SetThermalColdScale();
   virtual void DoThermalBlendCold();

include/MetroidPrime/CStateManager.hpp

@@ -147,6 +147,7 @@ public:
     xef4_pendingScreenTex.xc_extent = extent;
   }
   const SOnScreenTex& GetPendingScreenTex() const { return xef4_pendingScreenTex; }
+  float IntegrateVisorFog(float f);
 
   void SetShouldQuitGame(bool should) { xf94_25_quitGame = should; }
   void SetSkipCinematicSpecialFunction(TUniqueId id) { xf38_skipCineSpecialFunc = id; }

src/MetroidPrime/ScriptObjects/CScriptSpecialFunction.cpp

@@ -13,10 +13,12 @@
 #include "MetroidPrime/ScriptObjects/CScriptPlatform.hpp"
 #include "MetroidPrime/TCastTo.hpp"
 
+#include "MetaRender/CCubeRenderer.hpp"
 
 #include "Collision/CMaterialFilter.hpp"
 
 #include "Kyoto/Audio/CSfxManager.hpp"
+#include "Kyoto/Graphics/CGraphics.hpp"
 #include "Kyoto/Math/CFrustumPlanes.hpp"
 #include "Kyoto/Math/CMath.hpp"
 #include "Kyoto/Math/CRelAngle.hpp"
@@ -27,14 +29,12 @@
 #include "Runtime/w_fmod.h"
 #include "rstl/math.hpp"
 
-
 namespace rstl {
 static int string_find(const string& haystack, const string& needle, int) {
   // TODO: proper implementation
   return 0;
 }
-}
-
+} // namespace rstl
 
 CScriptSpecialFunction::CScriptSpecialFunction(
     TUniqueId uid, const rstl::string& name, const CEntityInfo& info, const CTransform4f& xf,
@@ -847,7 +847,8 @@ void CScriptSpecialFunction::ThinkSpinnerController(float dt, CStateManager& mgr
           animData->SetPlaybackRate(1.f);
           // Redundant copy is needed
           SAdvancementDeltas deltas = plat->UpdateAnimation(dur, mgr, true);
-          plat->SetTransform(x13c_spinnerInitialXf * deltas.xc_rotDelta.BuildTransform4f(deltas.x0_posDelta));
+          plat->SetTransform(x13c_spinnerInitialXf *
+                             deltas.xc_rotDelta.BuildTransform4f(deltas.x0_posDelta));
         }
       }
     }
@@ -926,17 +927,28 @@ void CScriptSpecialFunction::ThinkObjectFollowObject(float, CStateManager& mgr)
 
 void CScriptSpecialFunction::Render(CStateManager& mgr) {
   if (xe8_function == kSF_FogVolume) {
-    /* TODO
-    const float z = mgr.IntegrateVisorFog(xfc_float1 * std::sin(CGraphics::GetSecondsMod900()));
+    if (GetActive()) {
+      const float z = mgr.IntegrateVisorFog(
+          xfc_float1 * CMath::FastSinR(CGraphics::GetSecondsMod900() * x100_float2));
       if (z > 0.f) {
-      CVector3f max = GetTranslation() + x10c_vector3f;
-      max.SetZ(max.GetZ() + z);
-      const CAABox box(GetTranslation() - x10c_vector3f, max);
-      const CTransform4f modelMtx = CTransform4f::Translate(box.center()) *
-    CTransform4f::Scale(box.extents()); g_Renderer->SetModelMatrix(modelMtx);
-      g_Renderer->RenderFogVolume(x118_color, zeus::CAABox(-1.f, 1.f), nullptr, nullptr);
+        CVector3f translation = GetTranslation();
+        CVector3f min(translation - x10c_vector3f);
+        CVector3f max(translation.GetX() + x10c_vector3f.GetX(),
+                      translation.GetY() + x10c_vector3f.GetY(), 0.0);
+        max.SetZ(translation.GetZ() + x10c_vector3f.GetZ() + z);
+        CAABox box(min, max);
+        CVector3f extents(box.GetExtents());
+        CTransform4f modelMtx =
+            CTransform4f::Translate(box.GetCenterPoint()) * CTransform4f::Scale(extents);
+
+        CVector3f renderMin(-1.f, -1.f, -1.f);
+        CVector3f renderMax(1.f, 1.f, 1.f);
+        CAABox renderbox(renderMin, renderMax);
+
+        gpRender->SetModelMatrix(modelMtx);
+        gpRender->RenderFogVolume(x118_color, renderbox, nullptr, nullptr);
+      }
     }
-    */
   } else {
     CActor::Render(mgr);
   }