ocrm.bsky.social
the game where you go into mines and start crafting! but for consoles (forked directly from smartcmd's github)
1
2
3#pragma once
4#include "..\Minecraft.Client\Common\C4JMemoryPool.h"
5
6// Custom allocator, takes a C4JMemoryPool class, which can be one of a number of pool implementations.
7
8template <class T>
9class C4JPoolAllocator
10{
11public:
12 typedef T value_type;
13 typedef size_t size_type;
14 typedef ptrdiff_t difference_type;
15
16 typedef T* pointer;
17 typedef const T* const_pointer;
18
19 typedef T& reference;
20 typedef const T& const_reference;
21
22 //! A struct to construct an allocator for a different type.
23 template<typename U>
24 struct rebind { typedef C4JPoolAllocator<U> other; };
25
26
27 C4JMemoryPool* m_pPool;
28 bool m_selfAllocated;
29
30 C4JPoolAllocator( C4JMemoryPool* pool = new C4JMemoryPoolFixed(32, 4096 )) : m_pPool( pool ), m_selfAllocated(true)
31 {
32 printf("allocated mempool\n");
33 }
34
35 template<typename U>
36 C4JPoolAllocator(C4JPoolAllocator<U> const& obj) : m_pPool( obj.m_pPool ), m_selfAllocated(false) // copy constructor
37 {
38 printf("C4JPoolAllocator constructed from 0x%08x\n", &obj);
39 assert(obj.m_pPool);
40 }
41private:
42
43public:
44
45 ~C4JPoolAllocator()
46 {
47 if(m_selfAllocated)
48 delete m_pPool;
49 }
50
51 pointer address( reference r ) const { return &r; }
52 const_pointer address( const_reference r ) const { return &r; }
53
54 pointer allocate( size_type n, const void* /*hint*/=0 )
55 {
56 assert(m_pPool);
57 return (pointer)m_pPool->Alloc(n * sizeof(T));
58 }
59
60 void deallocate( pointer p, size_type /*n*/ )
61 {
62 assert(m_pPool);
63 m_pPool->Free(p);
64 }
65
66 void construct( pointer p, const T& val )
67 {
68 new (p) T(val);
69 }
70
71 void destroy( pointer p )
72 {
73 p->~T();
74 }
75
76 size_type max_size() const
77 {
78 return ULONG_MAX / sizeof(T);
79 }
80
81};
82
83
84template <class T>
85bool
86operator==( const C4JPoolAllocator<T>& left, const C4JPoolAllocator<T>& right )
87{
88 if (left.m_pPool == right.m_pPool)
89 {
90 return true;
91 }
92 return false;
93}
94
95template <class T>
96bool
97operator!=( const C4JPoolAllocator<T>& left, const C4JPoolAllocator<T>& right)
98{
99 if (left.m_pPool != right.m_pPool)
100 {
101 return true;
102 }
103 return false;
104}
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