ComponentDataPool.cpp

#include "ComponentDataPool.h"
 
#include <cassert>
#include <cmath>
#include <algorithm>
 
Cogs::ComponentModel::ComponentDataPoolBase::ComponentDataPoolBase(SizeType capacity, size_t elementSize, MemBlockType memType)
: store(capacity* elementSize, memType),
  elementSize(elementSize),
  capacity(capacity)
{}
 
void Cogs::ComponentModel::ComponentDataPoolBase::allocate(ComponentHandle handle)
{
  ComponentIndex index = handle.index;
 
  if (index >= capacity) {
    const size_t newCapacity = std::min(static_cast<size_t>(std::numeric_limits<SizeType>::max()), static_cast<size_t>(std::round(static_cast<double>(capacity) * 1.55)));
 
    store.resize(newCapacity * elementSize);
 
    capacity = static_cast<SizeType>(newCapacity);
  }
 
  // The store is big enough to return a valid pointer when indexed.
  assert(index < capacity);
}
 
void Cogs::ComponentModel::ComponentDataPoolBase::deallocate(ComponentHandle)
{
  // Noop
}