Fix C-style struct functor definitions

Minecraft.World/JavaIntHash.h

@@ -1,13 +1,15 @@
 #pragma once
 
+#include <cstdint>
+
 // Java doesn't have a default hash value for ints, however, the hashmap itself does some "supplemental" hashing, so
 // our ints actually get hashed by code as implemented below. std templates *do* have a standard hash for ints, but it
 // would appear to be a bit expensive so matching the java one for now anyway. This code implements the supplemental
 // hashing that happens in java so we can match what their maps are doing with ints.
 
-typedef struct
+struct IntKeyHash
 {
-	int operator() (const int &k) const
+	inline int operator()(const int &k) const
 	{
 		int h = k;
         h += ~(h << 9);
@@ -16,62 +18,64 @@ typedef struct
         h ^=  (((unsigned int)h) >> 10);
 		return h;
 	}
+};
 
-} IntKeyHash;
-
-typedef struct
+struct IntKeyEq
 {
-	bool operator() (const int &x, const int &y) const { return x==y; }
-} IntKeyEq;
-
+	inline bool operator()(const int &x, const int &y) const
+	{ return x==y; }
+};
 
 // This hash functor is taken from the IntHashMap java class used by the game, so that we can use a standard std hashmap with this hash rather
 // than implement the class itself
-typedef struct
+struct IntKeyHash2
 {
-	int operator() (const int &k) const
+	inline int operator()(const int &k) const
 	{
-		unsigned int h = (unsigned int)k;
+		unsigned int h = static_cast<unsigned int>(k);
         h ^= (h >> 20) ^ (h >> 12);
-        return (int)(h ^ (h >> 7) ^ (h >> 4));
+        return static_cast<int>(h ^ (h >> 7) ^ (h >> 4));
 	}
-} IntKeyHash2;
+};
 
 
 // This hash functor is taken from the LongHashMap java class used by the game, so that we can use a standard std hashmap with this hash rather
 // than implement the class itself
-typedef struct
+struct LongKeyHash
 {
-	int hash(const int &k) const
+	inline int hash(const int &k) const
 	{
-		unsigned int h = (unsigned int)k;
+		unsigned int h = static_cast<unsigned int>(k);
         h ^= (h >> 20) ^ (h >> 12);
-        return (int)(h ^ (h >> 7) ^ (h >> 4));
+        return static_cast<int>(h ^ (h >> 7) ^ (h >> 4));
 	}
 
-	int operator() (const __int64 &k) const
+	inline int operator()(const int64_t &k) const
 	{
-		return hash((int) ( k ^ (((__uint64)k) >> 32 )));
+		return hash(static_cast<int>(k ^ ((static_cast<uint64_t>(k)) >> 32)));
 	}
-} LongKeyHash;
+};
 
-typedef struct
+struct LongKeyEq
 {
-	bool operator() (const __int64 &x, const __int64 &y) const { return x==y; }
-} LongKeyEq;
+	inline bool operator() (const int64_t &x, const int64_t &y) const 
+	{ return x == y; }
+};
 
-typedef struct
+enum eINSTANCEOF;
+struct eINSTANCEOFKeyHash
 {
-	int operator() (const eINSTANCEOF &k) const
+	int operator()(const eINSTANCEOF &k) const
 	{
-		unsigned int h = (unsigned int)k;
+		unsigned int h = static_cast<unsigned int>(k);
         h ^= (h >> 20) ^ (h >> 12);
-        return (int)(h ^ (h >> 7) ^ (h >> 4));
+        return static_cast<int>(h ^ (h >> 7) ^ (h >> 4));
 	}
-} eINSTANCEOFKeyHash;
+};
 
-typedef struct
+struct eINSTANCEOFKeyEq
 {
-	bool operator() (const eINSTANCEOF &x, const eINSTANCEOF &y) const { return x==y; }
-} eINSTANCEOFKeyEq;
+	inline bool operator()(const eINSTANCEOF &x, const eINSTANCEOF &y) const
+	{ return x == y; }
+};