Add CStateManager area_sorter

include/MetroidPrime/CGameArea.hpp

@@ -33,6 +33,15 @@ public:
   virtual rstl::pair< rstl::auto_ptr< uchar >, int > IGetScriptingMemoryAlways() const = 0;
 };
 
+enum EChain {
+  kC_Invalid = -1,
+  kC_ToDeallocate,
+  kC_Deallocated,
+  kC_Loading,
+  kC_Alive,
+  kC_AliveJudgement,
+};
+
 class Dock;
 class CToken;
 class IDvdRequest;
@@ -67,6 +76,22 @@ public:
     void DisableFog();
   };
 
+  class CConstChainIterator {
+    const CGameArea* m_area;
+
+  public:
+    CConstChainIterator() : m_area(nullptr) {}
+    explicit CConstChainIterator(const CGameArea* area) : m_area(area) {}
+    const CGameArea& operator*() const { return *m_area; }
+    const CGameArea* operator->() const { return m_area; }
+    CConstChainIterator& operator++() {
+      m_area = m_area->GetNext();
+      return *this;
+    }
+    bool operator!=(const CConstChainIterator& other) const { return m_area != other.m_area; }
+    bool operator==(const CConstChainIterator& other) const { return m_area == other.m_area; }
+  };
+
   ~CGameArea();
   const CTransform4f& IGetTM() const override;
   CAssetId IGetStringTableAssetId() const override;
@@ -77,9 +102,12 @@ public:
   int IGetAreaSaveId() const override;
   rstl::pair< rstl::auto_ptr< uchar >, int > IGetScriptingMemoryAlways() const override;
 
+  TAreaId GetId() const { return x4_selfIdx; }
   const CTransform4f& GetTM() const { return xc_transform; }
   bool IsLoaded() const { return xf0_24_postConstructed; }
   bool IsActive() const { return xf0_25_active; }
+  const CAABox& GetAABB() const { return x6c_aabb; }
+  CGameArea* GetNext() const; // { return x130_next; }
 
   void SetXRaySpeedAndTarget(float speed, float target);
   void SetThermalSpeedAndTarget(float speed, float target);

include/MetroidPrime/CStateManager.hpp

@@ -8,6 +8,7 @@
 #include "Kyoto/Input/CFinalInput.hpp"
 #include "Kyoto/Math/CVector2f.hpp"
 #include "Kyoto/Math/CVector2i.hpp"
+#include "Kyoto/Math/CFrustumPlanes.hpp"
 #include "Kyoto/TOneStatic.hpp"
 #include "Kyoto/TToken.hpp"
 
@@ -56,6 +57,7 @@ class CWorldLayerState;
 class CLight;
 class CDamageInfo;
 class CTexture;
+class CViewport;
 
 namespace SL {
 class CSortedListManager;
@@ -157,6 +159,7 @@ public:
   void SetActorAreaId(CActor& actor, TAreaId);
   TAreaId GetNextAreaId() const { return x8cc_nextAreaId; }
   void SetCurrentAreaId(TAreaId);
+  TAreaId GetVisAreaId() const;
 
   bool CanCreateProjectile(TUniqueId, EWeaponType, int) const;
 
@@ -238,6 +241,10 @@ public:
   void RemoveWeaponId(TUniqueId, EWeaponType);
   void AddWeaponId(TUniqueId, EWeaponType);
 
+  // Draw
+  CFrustumPlanes SetupViewForDraw(const CViewport&) const;
+  void DrawWorld() const;
+
   // State transitions
   void DeferStateTransition(EStateManagerTransition t);
   void EnterMapScreen() { DeferStateTransition(kSMT_MapScreen); }

include/MetroidPrime/CWorld.hpp

@@ -75,6 +75,7 @@ public:
   int IGetAreaCount() const override;
 
   void SetLoadPauseState(bool);
+  void TouchSky() const;
 
   const CGameArea& GetAreaAlways(TAreaId id) const { return *x18_areas[id.Value()]; }
   CGameArea* Area(TAreaId id) { return x18_areas[id.Value()].get(); }
@@ -88,6 +89,9 @@ public:
   static void PropogateAreaChain(CGameArea::EOcclusionState occlusionState, CGameArea* area,
                                  CWorld* world);
 
+  CGameArea::CConstChainIterator GetChainHead(EChain chain) const { return CGameArea::CConstChainIterator(x4c_chainHeads[size_t(chain)]); }
+  static CGameArea::CConstChainIterator GetAliveAreasEnd();
+
 private:
   enum Phase {
     kP_Loading,