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atHashMap.h
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124 lines (106 loc) · 1.68 KB
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#pragma once
#include <atArray.h>
template<typename TEntry>
class atHashMap
{
private:
struct Entry
{
uint32_t hash;
TEntry* data;
Entry* next;
};
private:
atArray<Entry*> m_data;
char m_pad[3];
bool m_initialized;
public:
atHashMap()
{
m_initialized = false;
}
inline void ForAllEntries(const std::function<void(TEntry*)>& cb)
{
for (auto& entries : m_data)
{
for (auto i = entries; i; i = i->next)
{
cb(i->data);
}
}
}
inline void ForAllEntriesWithHash(const std::function<void(uint32_t hash, TEntry*)>& cb)
{
for (auto& entries : m_data)
{
for (auto i = entries; i; i = i->next)
{
cb(i->hash, i->data);
}
}
}
};
template<typename TEntry>
class atHashMapReal
{
private:
struct Entry
{
uint32_t hash;
TEntry data;
Entry* next;
};
private:
atArray<Entry*> m_data;
char m_pad[3];
bool m_initialized;
public:
atHashMapReal()
{
m_initialized = false;
}
inline TEntry* find(const uint32_t& idx)
{
for (Entry* i = *(m_data.m_offset + (idx % m_data.GetCount())); i; i = i->next)
{
if (i->hash == idx)
{
return &i->data;
}
}
return nullptr;
}
};
template<typename TEntry>
using atMultiHashMap = atHashMap<atArray<TEntry>>;
template<typename TKey, typename TEntry>
class atMap
{
private:
struct Entry
{
TKey hash;
TEntry data;
Entry* next;
};
private:
Entry** m_data;
uint16_t m_size;
uint16_t m_count;
Entry* m_nextFree;
public:
atMap()
{
m_initialized = false;
}
inline void ForAllEntriesWithHash(const std::function<void(TKey hash, TEntry*)>& cb)
{
for (int idx = 0; idx < m_size; idx++)
{
for (auto i = m_data[idx]; i; i = i->next)
{
cb(i->hash, &i->data);
}
}
}
};