ksys/phys: Start adding ClosestPointQuery and iterator stuff

src/KingSystem/Physics/System/physSystem.h

@@ -25,6 +25,11 @@ enum class IsIndoorStage {
     Yes,
 };
 
+enum class LowPriority : bool {
+    Yes = true,
+    No = false,
+};
+
 class System {
     SEAD_SINGLETON_DISPOSER(System)
     System();
@@ -72,6 +77,9 @@ public:
     void lockWorld(ContactLayerType type, void* a = nullptr, int b = 0, bool c = false);
     void unlockWorld(ContactLayerType type, void* a = nullptr, int b = 0, bool c = false);
 
+    // 0x0000007101216cec
+    sead::Heap* getPhysicsTempHeap(LowPriority low_priority) const;
+
 private:
     u8 _28[0x64 - 0x28];
     float _64 = 1.0 / 30.0;