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YimMenu/BigBaseV2/src/gta/natives.hpp

123 lines
3.4 KiB
C++

#pragma once
#include <cstdint>
#include <utility>
#include "fwddec.hpp"
#include "vector.hpp"
namespace rage
{
class scrNativeCallContext
{
public:
void reset()
{
m_arg_count = 0;
m_data_count = 0;
}
template <typename T>
void push_arg(T &&value)
{
static_assert(sizeof(T) <= sizeof(std::uint64_t));
*reinterpret_cast<std::remove_cv_t<std::remove_reference_t<T>>*>(reinterpret_cast<std::uint64_t*>(m_args) + (m_arg_count++)) = std::forward<T>(value);
}
template <typename T>
T &get_arg(std::size_t index)
{
static_assert(sizeof(T) <= sizeof(std::uint64_t));
return *reinterpret_cast<T*>(reinterpret_cast<std::uint64_t*>(m_args) + index);
}
template <typename T>
void set_arg(std::size_t index, T &&value)
{
static_assert(sizeof(T) <= sizeof(std::uint64_t));
*reinterpret_cast<std::remove_cv_t<std::remove_reference_t<T>>*>(reinterpret_cast<std::uint64_t*>(m_args) + index) = std::forward<T>(value);
}
template <typename T>
T *get_return_value()
{
return reinterpret_cast<T*>(m_return_value);
}
template <typename T>
void set_return_value(T &&value)
{
*reinterpret_cast<std::remove_cv_t<std::remove_reference_t<T>>*>(m_return_value) = std::forward<T>(value);
}
protected:
void *m_return_value;
std::uint32_t m_arg_count;
void *m_args;
std::int32_t m_data_count;
std::uint32_t m_data[48];
};
static_assert(sizeof(scrNativeCallContext) == 0xE0);
using scrNativeHash = std::uint64_t;
using scrNativeMapping = std::pair<scrNativeHash, scrNativeHash>;
using scrNativeHandler = void(*)(scrNativeCallContext*);
class scrNativeRegistration {
public:
uint64_t m_nextRegistration1;
uint64_t m_nextRegistration2;
void* m_handlers[7];
uint32_t m_numEntries1;
uint32_t m_numEntries2;
uint64_t m_hashes;
scrNativeRegistration* get_next_registration() {
std::uintptr_t result;
auto nextReg = uintptr_t(&m_nextRegistration1);
auto newReg = nextReg ^ m_nextRegistration2;
auto charTableOfRegs = (char*)&result - nextReg;
for (auto i = 0; i < 3; i++) {
*(DWORD*)&charTableOfRegs[nextReg] = static_cast<DWORD>(newReg) ^ *(DWORD*)nextReg;
nextReg += 4;
}
return reinterpret_cast<scrNativeRegistration*>(result);
}
std::uint32_t get_num_entries() {
return static_cast<std::uint32_t>(((std::uintptr_t)&m_numEntries1) ^ m_numEntries1 ^ m_numEntries2);
}
std::uint64_t get_hash(std::uint32_t index) {
auto nativeAddress = 16 * index + std::uintptr_t(&m_nextRegistration1) + 0x54;
std::uint64_t result;
auto charTableOfRegs = (char*)&result - nativeAddress;
auto addressIndex = nativeAddress ^ *(DWORD*)(nativeAddress + 8);
for (auto i = 0; i < 3; i++) {
*(DWORD*)&charTableOfRegs[nativeAddress] = static_cast<DWORD>(addressIndex ^ *(DWORD*)(nativeAddress));
nativeAddress += 4;
}
return result;
}
};
#pragma pack(push, 1)
class scrNativeRegistrationTable
{
scrNativeRegistration *m_entries[0xFF];
std::uint32_t m_unk;
bool m_initialized;
};
#pragma pack(pop)
}
using Void = void;
using Any = int;
using Hash = std::uint32_t;
using Entity = std::int32_t;
using Player = std::int32_t;
using FireId = std::int32_t;
using Interior = std::int32_t;
using Ped = Entity;
using Vehicle = Entity;
using Cam = std::int32_t;
using Object = Entity;
using Pickup = Object;
using Blip = std::int32_t;
using Camera = Entity;
using ScrHandle = Entity;
using Vector3 = rage::scrVector;