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Added proper atArray implementation.

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This commit is contained in:
gir489 2020-03-12 02:41:46 -04:00
parent 59cad77ec9
commit 4bca0f32b1
2 changed files with 231 additions and 50 deletions
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209
BigBaseV2/src/gta/array.hpp
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@ -1,65 +1,174 @@
#pragma once
#include <cstdint>
#include "fwddec.hpp"
#include "sysMemAllocator.hpp"
namespace rage
{
template <typename T>
class atArray
{
public:
T *begin()
{
return m_data;
}
template <typename T>
class atArray
{
public:
atArray()
{
m_data = nullptr;
m_count = 0;
m_size = 0;
}
T *end()
{
return m_data + m_size;
}
atArray(const atArray& right)
{
m_count = right.m_count;
m_size = right.m_size;
const T *begin() const
{
return m_data;
}
m_data = (T*)rage::GetAllocator()->allocate(m_size * sizeof(T), 16, 0);
std::uninitialized_copy(right.m_data, right.m_data + right.m_count, m_data);
}
const T *end() const
{
return m_data + m_size;
}
atArray(int capacity)
{
m_data = (T*)rage::GetAllocator()->allocate(capacity * sizeof(T), 16, 0);
m_count = 0;
m_size = capacity;
}
T *data()
{
return m_data;
}
void clear()
{
m_count = 0;
m_size = 0;
const T *data() const
{
return m_data;
}
if (m_data)
{
rage::GetAllocator()->free(m_data);
std::uint16_t size() const
{
return m_size;
}
m_data = nullptr;
}
}
std::uint16_t capacity() const
{
return m_capacity;
}
void append(const std::initializer_list<T> value_array)
{
auto value_array_size = value_array.size();
auto old_capacity = m_count;
T &operator[](std::uint16_t index)
{
return m_data[index];
}
if ((value_array_size + m_count) > std::numeric_limits<uint16_t>::max())
LOG(FATAL) << "RAGE atArray was given too large of a list to append";
const T &operator[](std::uint16_t index) const
{
return m_data[index];
}
private:
T *m_data;
std::uint16_t m_size;
std::uint16_t m_capacity;
};
}
auto size = (uint16_t)value_array_size;
expand(m_count + size);
m_size += size;
auto i = old_capacity;
for (const T* it = value_array.begin(); it != value_array.end(); ++it)
{
m_data[i] = *it;
i++;
}
}
void append(T value)
{
set(m_count, value);
}
void set(uint16_t offset, const T& value)
{
if (offset >= m_count)
{
expand(offset + 1);
}
if (offset >= m_size)
{
m_size = offset + 1;
}
m_data[offset] = value;
}
void expand(uint16_t newSize)
{
if (m_count >= newSize)
{
return;
}
T* newOffset = (T*)rage::GetAllocator()->allocate(newSize * sizeof(T), 16, 0);
// initialize the new entries
std::uninitialized_fill(newOffset, newOffset + newSize, T());
// copy the existing entries
if (m_data)
{
std::copy(m_data, m_data + m_size, newOffset);
rage::GetAllocator()->free(m_data);
}
m_data = newOffset;
m_count = newSize;
}
T* begin()
{
return m_data;
}
T* end()
{
return m_data + m_size;
}
const T* begin() const
{
return m_data;
}
const T* end() const
{
return m_data + m_size;
}
T* data()
{
return m_data;
}
const T* data() const
{
return m_data;
}
std::uint16_t size() const
{
return m_size;
}
std::uint16_t count() const
{
return m_count;
}
T& operator[](std::uint16_t index)
{
return m_data[index];
}
friend std::ostream& operator<<(std::ostream& o, const atArray<T>& j)
{
o << "Array Size: " << j.size() << std::endl;
for (T item : j)
o << "\tArray Item: " << item << " [" << HEX_TO_UPPER(item) << "]" << (j.end() == item) ? "" : std::endl;
return o;
}
const T& operator[](std::uint16_t index) const
{
return m_data[index];
}
private:
T* m_data;
std::uint16_t m_size;
std::uint16_t m_count;
};
}

72
BigBaseV2/src/gta/sysMemAllocator.hpp Normal file
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@ -0,0 +1,72 @@
#pragma once
#include "fwddec.hpp"
namespace rage
{
class sysMemAllocator
{
public:
virtual ~sysMemAllocator() = 0;
virtual void SetQuitOnFail(bool) = 0;
virtual void* Allocate(size_t size, size_t align, int subAllocator) = 0;
inline void* allocate(size_t size, size_t align, int subAllocator)
{
return Allocate(size, align, subAllocator);
}
virtual void* TryAllocate(size_t size, size_t align, int subAllocator) = 0;
virtual void Free(void* pointer) = 0;
virtual void free(void* pointer)
{
return Free(pointer);
}
virtual void TryFree(void* pointer) = 0;
virtual void Resize(void* pointer, size_t size) = 0;
virtual sysMemAllocator* GetAllocator(int allocator) const = 0;
virtual sysMemAllocator* GetAllocator(int allocator) = 0;
virtual sysMemAllocator* GetPointerOwner(void* pointer) = 0;
virtual size_t GetSize(void* pointer) const = 0;
virtual size_t GetMemoryUsed(int memoryBucket) = 0;
virtual size_t GetMemoryAvailable() = 0;
public:
static sysMemAllocator* sysMemAllocator::UpdateAllocatorValue()
{
//B9 ? ? ? ? 48 8B 0C 01 45 33 C9 49 8B D2 48
auto g_gtaTlsEntry = *(sysMemAllocator**)(*(uintptr_t*)(__readgsqword(88)) + 0xC8); //This has been 0xC8 since 323, I'm not adding this signature to pointers...
if (g_gtaTlsEntry == nullptr)
LOG(FATAL) << "Failed to find tlsEntry within GTA5.exe via __readgsqword";
*(sysMemAllocator**)(*(uintptr_t*)(__readgsqword(88)) + 0xC8) = g_gtaTlsEntry;
*(sysMemAllocator**)(*(uintptr_t*)(__readgsqword(88)) + 0xC8 - 8) = g_gtaTlsEntry;
return g_gtaTlsEntry;
}
};
inline sysMemAllocator* GetAllocator()
{
sysMemAllocator* allocator = *(sysMemAllocator**)(*(uintptr_t*)(__readgsqword(88)) + 0xC8);
if (!allocator)
{
return sysMemAllocator::UpdateAllocatorValue();
}
return allocator;
}
}