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limits.ixx
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limits.ixx
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module;
#include <common.hxx>
#include <array>
export module limits;
import common;
class LimitAdjuster
{
private:
size_t m_increaseby = 2;
bool m_patchedXrefs = false;
bool m_patchedNumRefs = false;
uintptr_t m_startAddress = 0;
size_t m_elementSize = 0;
size_t m_elementsCount = 0;
size_t m_xrefCount = 0;
uint8_t* m_array = nullptr;
public:
LimitAdjuster(auto startAddress, auto elementSize, auto elementsCount, auto xrefCount) :
m_startAddress(startAddress), m_elementSize(elementSize), m_elementsCount(elementsCount), m_xrefCount(xrefCount){}
LimitAdjuster& IncreaseBy(auto num)
{
if (num > 1)
m_increaseby = num;
return *this;
}
LimitAdjuster& InsertNewArrayPointer(uint8_t* ptr)
{
m_array = ptr;
return *this;
}
LimitAdjuster& ReplaceXrefs(std::convertible_to<ptrdiff_t> auto&& ...offsets)
{
if (!m_patchedXrefs)
{
auto list = std::initializer_list<ptrdiff_t>{ offsets... };
ptrdiff_t max_array_offset = m_elementSize * m_elementsCount;
auto max_needed_offset = *std::max_element(list.begin(), list.end());
auto i = 0;
if (m_array == nullptr) {
auto vec = new std::vector<uint8_t>(m_increaseby * max_array_offset + ((max_needed_offset > max_array_offset) ? max_needed_offset - max_array_offset : 0), 0);
m_array = vec->data();
}
for (auto v : list)
{
auto ptr = m_startAddress + v;
auto pattern = hook::pattern(pattern_str(to_bytes(ptr)));
pattern.for_each_result([&](hook::pattern_match match)
{
auto xref = match.get<uint32_t>();
if (*xref == ptr)
{
if (v < max_array_offset)
injector::AdjustPointer(xref, m_array, m_startAddress, ptr);
else
injector::WriteMemory(xref, m_array + ((m_elementSize * m_elementsCount * m_increaseby) + (v - max_array_offset)), true);
}
i++;
});
}
assert(i == m_xrefCount);
m_patchedXrefs = true;
}
return *this;
}
LimitAdjuster& ReplaceNumericRefs(std::convertible_to<intptr_t> auto&& ...pointers)
{
if (!m_patchedNumRefs && m_patchedXrefs)
{
auto TryPatchAddr = [&]<typename T>(intptr_t ptr) {
auto val = injector::ReadMemory<T>(ptr, true);
if (val == m_elementsCount) {
injector::WriteMemory<T>(ptr, T(m_elementsCount * m_increaseby), true);
return true;
}
if (val == m_elementsCount + 1) {
injector::WriteMemory<T>(ptr, T(m_elementsCount * m_increaseby + 1), true);
return true;
}
if (val == m_elementsCount - 1) {
injector::WriteMemory<T>(ptr, T(m_elementsCount * m_increaseby - 1), true);
return true;
}
return false;
};
auto list = std::initializer_list<intptr_t>{ pointers... };
for (auto v : list)
{
if (TryPatchAddr.template operator()<uint64_t>(v))
continue;
if (TryPatchAddr.template operator()<uint32_t>(v))
continue;
if (TryPatchAddr.template operator()<uint16_t>(v))
continue;
if (TryPatchAddr.template operator()<uint8_t>(v))
continue;
}
m_patchedNumRefs = true;
}
return *this;
}
};
class Limits
{
public:
Limits()
{
FusionFix::onInitEventAsync() += []()
{
CIniReader iniReader("");
// Increasing all pools is not safe, leads to crashing
static std::vector<std::string> poolNames = { "Task" };
//[BudgetedIV]
uint32_t nVehicleBudget = iniReader.ReadInteger("BudgetedIV", "VehicleBudget", 0);
uint32_t nPedBudget = iniReader.ReadInteger("BudgetedIV", "PedBudget", 0);
if (nVehicleBudget)
{
auto pattern = find_pattern("F7 2D ? ? ? ? 8B CA C1 E9 1F 03 CA B8 ? ? ? ? F7 2D ? ? ? ? 8B C2 C1 E8 1F 03 C2 89 0D ? ? ? ? A3 ? ? ? ? 83 C4 10 C3", "8B 0D ? ? ? ? B8 ? ? ? ? F7 E9 8B 0D");
injector::WriteMemory(*pattern.get_first<void*>(2), nVehicleBudget, true);
// Increase VehicleStruct pool size, to avoid certain crash with high budget
poolNames.push_back("VehicleStruct");
}
if (nPedBudget)
{
auto pattern = find_pattern("F7 2D ? ? ? ? 8B C2 C1 E8 1F 03 C2 89 0D ? ? ? ? A3 ? ? ? ? 83 C4 10 C3", "8B 0D ? ? ? ? 8B C2 C1 E8 1F");
injector::WriteMemory(*pattern.get_first<void*>(2), nPedBudget, true);
}
auto pattern = hook::pattern("8B C7 0F AF C2 8B F1");
if (!pattern.empty())
{
struct atPool
{
void operator()(injector::reg_pack& regs)
{
auto name = std::string_view(*(const char**)(regs.esp + 16));
if (std::any_of(poolNames.begin(), poolNames.end(), [&name](auto& i) {return i == name; }))
regs.edi *= 2;
regs.eax = regs.edi * regs.edx;
}
}; injector::MakeInline<atPool>(pattern.get_first(0));
}
else
{
auto pattern = hook::pattern("8B CF 0F AF C8 51");
struct atPool
{
void operator()(injector::reg_pack& regs)
{
auto name = std::string_view(*(const char**)(regs.esp + 16));
if (std::any_of(poolNames.begin(), poolNames.end(), [&name](auto& i) {return i == name; }))
regs.edi *= 2;
regs.ecx = regs.edi * regs.eax;
}
}; injector::MakeInline<atPool>(pattern.get_first(0));
}
// Drawable reference list limit, fixes In the Crosshairs mission crash with maxed out draw distance
{
auto pattern = hook::pattern("68 C8 32 00 00 E8 66 FF FF FF C3");
if (!pattern.empty())
injector::WriteMemory(pattern.get_first(1), 20000, true);
}
// Liveries
{
static std::unordered_map<uint32_t, std::array<uint32_t, CHAR_MAX + 1>> liveries;
auto pattern = hook::pattern("89 86 ? ? ? ? 89 86 ? ? ? ? 89 86 ? ? ? ? 89 86 ? ? ? ? C7 86 ? ? ? ? ? ? ? ? C7 86 ? ? ? ? ? ? ? ? C7 86 ? ? ? ? ? ? ? ? C7 86 ? ? ? ? ? ? ? ? C7 86");
if (!pattern.empty())
{
struct CVehicleModelInfoInitializeHook
{
void operator()(injector::reg_pack& regs)
{
*(uint32_t**)(regs.esi + 0x13C) = &liveries[regs.esi][0];
}
}; injector::MakeInline<CVehicleModelInfoInitializeHook>(pattern.get_first(0), pattern.get_first(6));
pattern = hook::pattern("66 89 46 48 66 89 46 52 5E C3");
struct CBaseModelInfoTerminateHook
{
void operator()(injector::reg_pack& regs)
{
*(uint16_t*)(regs.esi + 0x48) = -1;
*(uint16_t*)(regs.esi + 0x52) = -1;
auto it = liveries.find(regs.esi);
if (it != liveries.end())
liveries.erase(it);
}
}; injector::MakeInline<CBaseModelInfoTerminateHook>(pattern.get_first(0), pattern.get_first(8));
pattern = hook::pattern("8D B3 ? ? ? ? 33 DB 8D 9B");
struct CVehicleModelInfoSetVehicleDrawableHook
{
void operator()(injector::reg_pack& regs)
{
regs.esi = *(uint32_t*)(regs.ebx + 0x13C);
}
}; injector::MakeInline<CVehicleModelInfoSetVehicleDrawableHook>(pattern.get_first(0), pattern.get_first(6));
pattern = hook::pattern("FF B4 81 ? ? ? ? 0F BF 41 48");
struct LiveryAccessHook
{
void operator()(injector::reg_pack& regs)
{
auto arr = (uint32_t**)(regs.ecx + 0x13C);
if (arr)
{
auto ptr = *arr;
if (ptr && (int)ptr != -1)
{
regs.eax = ptr[regs.eax];
return;
}
}
regs.eax = 0;
}
}; injector::MakeInline<LiveryAccessHook>(pattern.get_first(0), pattern.get_first(7));
injector::WriteMemory<uint8_t>(pattern.get_first(6), 0x50, true); // push eax
}
pattern = hook::pattern("83 FB 04 7D 45 8D 44 24 24 6A 00");
if (!pattern.empty())
injector::WriteMemory<uint8_t>(pattern.get_first(2), CHAR_MAX, true);
}
};
}
} Limits;
class ExtendedLimits
{
public:
ExtendedLimits()
{
FusionFix::onInitEventAsync() += []()
{
CIniReader iniReader("");
auto bExtendedLimits = iniReader.ReadInteger("BudgetedIV", "ExtendedLimits", 0);
if (bExtendedLimits)
{
{
enum CModelInfoStore
{
ms_baseModels,
ms_instanceModels,
ms_timeModels,
ms_weaponModels,
ms_vehicleModels,
ms_pedModels,
ms_mloModels,
ms_mlo,
stru_F27FC4,
ms_amat,
ms_2dfxRefs1,
ms_2dfxRefs2,
ms_particleAttrs,
ms_explosionAttrs,
ms_procObjsAttrs,
ms_ladderInfo,
ms_spawnPointAttrs,
ms_lightShaftAttrs,
ms_scrollBars,
ms_swayableAttrs,
ms_bouyancyAttrs,
ms_audioAttrs,
ms_worldPointAttrs,
ms_walkDontWalkAttrs,
amount
};
struct CDataStore
{
uint32_t nSize;
uint32_t nAllocated;
uint32_t pData;
};
auto pattern = hook::pattern("8B C8 E8 ? ? ? ? B9 ? ? ? ? A3");
auto CModelInfoStore__ms_baseModels = *pattern.get_first<CDataStore*>(8);
pattern = hook::pattern("B9 ? ? ? ? E8 ? ? ? ? B9 ? ? ? ? E8 ? ? ? ? E8 ? ? ? ? FF 35");
if (pattern.empty())
return;
for (size_t i = CModelInfoStore::ms_baseModels; i < CModelInfoStore::amount; i++)
{
CModelInfoStore__ms_baseModels[i].nSize *= 2;
}
auto ms_mloPortalStore = *pattern.get_first<CDataStore*>(1);
pattern = hook::pattern("B9 ? ? ? ? E8 ? ? ? ? E8 ? ? ? ? FF 35 ? ? ? ? C7 05");
auto ms_mloRoomStore = *pattern.get_first<CDataStore*>(1);
ms_mloPortalStore->nSize *= 2;
ms_mloRoomStore->nSize *= 2;
}
// handling
{
constexpr auto increaseby = 2;
auto ms_iStandardLines = 160;
auto ms_iBikeLines = 40;
auto ms_iFlyingLines = 40;
auto ms_iBoatLines = 40;
auto ms_iStandardLinesLimit = ms_iStandardLines * increaseby;
auto ms_iBikeLinesLimit = ms_iBikeLines * increaseby;
auto ms_iFlyingLinesLimit = ms_iFlyingLines * increaseby;
auto ms_iBoatLinesLimit = ms_iBoatLines * increaseby;
static std::vector<uint8_t> handling((0x110 * ms_iStandardLinesLimit) + (0x40 * ms_iBikeLinesLimit) + (0x60 * ms_iFlyingLinesLimit) + (0xE0 * ms_iBoatLinesLimit), 0);
auto aHandlingLines = *hook::get_pattern<uintptr_t>("8D B0 ? ? ? ? 57 8B CE E8 ? ? ? ? 8B CE E8", 2);
auto aBikeHandlingLines = aHandlingLines + (0x110 * ms_iStandardLines);
auto aFlyingHandlingLines = aHandlingLines + (0x110 * ms_iStandardLines) + (0x40 * ms_iBikeLines);
auto aBoatHandlingLines = aHandlingLines + (0x110 * ms_iStandardLines) + (0x40 * ms_iBikeLines) + (0x60 * ms_iFlyingLines);
auto HandlingLines = LimitAdjuster(aHandlingLines, 0x110, ms_iStandardLines, 26).IncreaseBy(increaseby).InsertNewArrayPointer(handling.data()).ReplaceXrefs(0x0, 0xF8, 0xFC, 0x100, 0x5F60, 0xAA00, 0xAAFC);
//auto BikeHandlingLines = LimitAdjuster(aBikeHandlingLines, 0x40, ms_iBikeLines, 7).IncreaseBy(increaseby).InsertNewArrayPointer(handling.data() + (0x110 * ms_iStandardLinesLimit)).ReplaceXrefs(0);
auto FlyingHandlingLines = LimitAdjuster(aFlyingHandlingLines, 0x40, ms_iFlyingLines, 5).IncreaseBy(increaseby).InsertNewArrayPointer(handling.data() + (0x110 * ms_iStandardLinesLimit) + (0x40 * ms_iBikeLinesLimit)).ReplaceXrefs(0);
auto BoatHandlingLines = LimitAdjuster(aBoatHandlingLines, 0x40, ms_iBoatLines, 5).IncreaseBy(increaseby).InsertNewArrayPointer(handling.data() + (0x110 * ms_iStandardLinesLimit) + (0x40 * ms_iBikeLinesLimit) + (0x60 * ms_iFlyingLinesLimit)).ReplaceXrefs(0);
auto pattern = hook::pattern("BF ? ? ? ? 8D 64 24 00 8B CE E8 ? ? ? ? 81 C6 ? ? ? ? 4F 79 F0 5F 5E C3 CC CC CC CC CC CC CC CC CC CC CC CC CC 56 57 BE ? ? ? ? BF ? ? ? ? 8D 64 24 00 8B CE E8 ? ? ? ? 83 C6 20");
injector::WriteMemory(pattern.get_first(1), ms_iStandardLinesLimit - 1, true);
pattern = hook::pattern("BF ? ? ? ? 8D 64 24 00 8B CE E8 ? ? ? ? 83 C6 40 4F 79 F3 5F 5E C3 56 57 BE ? ? ? ? BF ? ? ? ? 8D 64 24 00 8B CE E8 ? ? ? ? 81 C6 ? ? ? ? 4F 79 F0 5F");
injector::WriteMemory(pattern.get_first(1), ms_iBikeLinesLimit - 1, true);
pattern = hook::pattern("BF ? ? ? ? 8D 64 24 00 8B CE E8 ? ? ? ? 83 C6 60 4F 79 F3 5F 5E C3 56");
injector::WriteMemory(pattern.get_first(1), ms_iFlyingLinesLimit - 1, true);
pattern = hook::pattern("BF ? ? ? ? 8D 64 24 00 8B CE E8 ? ? ? ? 81 C6 ? ? ? ? 4F 79 F0 5F 5E C3 CC CC CC CC CC CC CC CC CC CC CC CC CC 56 57 BE ? ? ? ? BF ? ? ? ? 8D 64 24 00 8B CE E8 ? ? ? ? 83 C6 60");
injector::WriteMemory(pattern.get_first(1), ms_iBoatLinesLimit - 1, true);
pattern = hook::pattern("7D 1B 8B C2"); //bikeHandlingCount
injector::MakeNOP(pattern.get_first(), 2);
pattern = hook::pattern("7D 1C 8D 04 52"); //flyingHandlingCount
injector::MakeNOP(pattern.get_first(), 2);
pattern = hook::pattern("7D 1E 8B C2"); //boatHandlingCount
injector::MakeNOP(pattern.get_first(), 2);
}
//carcols
{
auto pattern = hook::pattern("8B 87 ? ? ? ? 25 ? ? ? ? 0B C8 89 8F");
auto ref1 = (intptr_t)hook::get_pattern("81 3D ? ? ? ? ? ? ? ? 0F 8D ? ? ? ? 8D 84 24", 6);
auto ref2 = (intptr_t)hook::get_pattern("81 FA ? ? ? ? 0F 8D ? ? ? ? 42", 2);
auto adwCarColors = LimitAdjuster(*pattern.get_first<uintptr_t>(2), 4, 196, 23).ReplaceXrefs(0).ReplaceNumericRefs(ref1, ref2);
pattern = hook::pattern("8B 04 8D ? ? ? ? 89 06");
auto adwPoliceScannerCarColorPrefixes = LimitAdjuster(*pattern.get_first<uintptr_t>(3), 4, 197, 3).ReplaceXrefs(0);
pattern = hook::pattern("8B 04 8D ? ? ? ? 89 46 04");
auto adwPoliceScannerCarColors = LimitAdjuster(*pattern.get_first<uintptr_t>(3), 4, 196, 3).ReplaceXrefs(0);
}
//{ //breaks buzzard rockets
// auto pattern = hook::pattern("81 C3 ? ? ? ? 89 03");
// auto ref1 = (intptr_t)hook::get_pattern("BF ? ? ? ? 8D 64 24 00 8B CE E8 ? ? ? ? 81 C6 ? ? ? ? 4F 79 F0 68 ? ? ? ? E8 ? ? ? ? 83 C4 04 5F 5E C3 56", 1);
// auto ref2 = (intptr_t)hook::get_pattern("83 F8 3C 7C F1", 2);
// auto WeaponInfo = LimitAdjuster(*pattern.get_first<uintptr_t>(2), 0x110, 60, 4).ReplaceXrefs(0).ReplaceNumericRefs(ref1, ref2);
// pattern = hook::pattern("7D 0C 69 C0");
// injector::MakeNOP(pattern.get_first(), 2);
//}
{
auto pattern = hook::pattern("81 C7 ? ? ? ? 83 BB");
auto VehOff = LimitAdjuster(*pattern.get_first<uintptr_t>(2), 640, 205, 4).ReplaceXrefs(0);
}
}
};
}
} ExtendedLimits;