public MiniDict(TKey *keys, int size)
{
Count = size;
keys_ = (TKey *)Marshal.AllocHGlobal(Count * sizeof(TKey));
Buffer.MemoryCopy(keys, (void *)keys_, Count * sizeof(TKey), Count * sizeof(TKey));
data_ = new TValue[Count];
}
public MiniDict(TKey[] keys, TValue[] values = null)
{
Count = keys.Length;
keys_ = (TKey *)Marshal.AllocHGlobal(Count * sizeof(TKey));
fixed(void *k = &keys[0])
Buffer.MemoryCopy(k, (void *)keys_, Count * sizeof(TKey), Count * sizeof(TKey));
data_ = values ?? new TValue[Count];
}
public UnmanagedDictionary(uint defaultCapacity)
{
unsafe
{
if (defaultCapacity < 1)
{
defaultCapacity = 1;
}
m_KeyPresentBuffer = (Bitmask *)UnsafeUtility.Malloc(1 + defaultCapacity / 8, UnsafeUtility.AlignOf <byte>(), Allocator.Persistent);
UnsafeUtility.MemSet((void *)m_KeyPresentBuffer, 0, 1 + defaultCapacity / 8);
m_Keys = (TKey *)UnsafeUtility.Malloc(sizeof(TKey) * defaultCapacity, UnsafeUtility.AlignOf <TKey>(), Allocator.Persistent);
m_Values = (TValue *)UnsafeUtility.Malloc(sizeof(TValue) * defaultCapacity, UnsafeUtility.AlignOf <TValue>(), Allocator.Persistent);
m_Size = 0;
m_Capacity = defaultCapacity;
}
}
// expands the thing uwu
private void ExpandAndRehash()
{
unsafe
{
//UnityEngine.Debug.Log($"EXPAND AND REHASH FROM: {m_Capacity}, INTO: {2 * m_Capacity + 3}");
var oldPresence = m_KeyPresentBuffer;
var oldKeys = m_Keys;
var oldValues = m_Values;
var oldCapacity = m_Capacity;
var newCapacity = m_Capacity * 2 + 3;
m_KeyPresentBuffer = (Bitmask *)UnsafeUtility.Malloc(1 + newCapacity / 8, UnsafeUtility.AlignOf <byte>(), Allocator.Persistent);
UnsafeUtility.MemSet(m_KeyPresentBuffer, 0, 1 + newCapacity / 8);
m_Keys = (TKey *)UnsafeUtility.Malloc(sizeof(TKey) * newCapacity, UnsafeUtility.AlignOf <TKey>(), Allocator.Persistent);
m_Values = (TValue *)UnsafeUtility.Malloc(sizeof(TValue) * newCapacity, UnsafeUtility.AlignOf <TValue>(), Allocator.Persistent);
m_Capacity = newCapacity;
m_Size = 0;
for (int i = 0; i < oldCapacity; i++)
{
if (IsSlotOccupiedOnBuffer(i, oldPresence) == true)
{
var k = oldKeys[i];
var v = oldValues[i];
Set(k, v);
}
}
if (oldCapacity > 0)
{
//UnityEngine.Debug.Log($"Reshash clear: {((IntPtr)oldPresence).ToInt64()} {((IntPtr)oldKeys).ToInt64()} {((IntPtr)oldValues).ToInt64()}");
UnsafeUtility.Free((void *)oldPresence, Allocator.Persistent);
UnsafeUtility.Free((void *)oldKeys, Allocator.Persistent);
UnsafeUtility.Free((void *)oldValues, Allocator.Persistent);
}
}
}
