Rim/h1-mod
Rim/h1-mod
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Reallocate attachments

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This commit is contained in:
fed 2023-02-03 22:47:35 +01:00
parent 452670256c
commit 5c5c12d189
1 changed files with 82 additions and 4 deletions
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86
src/client/component/fastfiles.cpp
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@ -589,12 +589,37 @@ namespace fastfiles
#define RVA(ptr) static_cast<uint32_t>(reinterpret_cast<size_t>(ptr) - 0_b)
struct buffer_info
{
void* ptr;
size_t size;
};
std::vector<buffer_info> string_buffers;
void memset_stub(void* place, int value, size_t size)
{
for (const auto& buffer : string_buffers)
{
std::memset(buffer.ptr, 0, buffer.size);
}
std::memset(place, value, size);
}
void reallocate_weapon_pool()
{
constexpr auto size = get_pool_type_size(game::ASSET_TYPE_WEAPON) * 2;
static void* weapon_complete_defs[size]{};
constexpr auto multiplier = 2;
constexpr auto pool_size = get_pool_type_size(game::ASSET_TYPE_WEAPON) * multiplier;
static void* weapon_complete_defs[pool_size]{};
static void* weapon_strings[pool_size]{};
reallocate_asset_pool<game::ASSET_TYPE_WEAPON, size>();
string_buffers.emplace_back(weapon_strings, pool_size * sizeof(void*));
utils::hook::set<uint32_t>(0x1186A4_b + 4, RVA(weapon_strings));
utils::hook::set<uint32_t>(0x1186B5_b + 4, RVA(weapon_strings));
utils::hook::set<uint32_t>(0x104BD2_b + 4, RVA(weapon_strings) - 0x38F1750);
reallocate_asset_pool<game::ASSET_TYPE_WEAPON, pool_size>();
utils::hook::inject(0x2E3005_b + 3,
reinterpret_cast<void*>(reinterpret_cast<size_t>(weapon_complete_defs) + 8));
@ -955,9 +980,62 @@ namespace fastfiles
utils::hook::set<uint32_t>(0x11865F_b + 4, RVA(&weapon_complete_defs));
}
void reallocate_attachment_pool()
{
constexpr auto multiplier = 2;
constexpr auto pool_size = get_pool_type_size(game::ASSET_TYPE_ATTACHMENT) * multiplier;
reallocate_asset_pool<game::ASSET_TYPE_ATTACHMENT, pool_size>();
static void* attachment_array[pool_size]{};
static void* attachment_strings[pool_size]{};
string_buffers.emplace_back(attachment_strings, pool_size * sizeof(void*));
utils::hook::inject(0x118599_b + 3, attachment_strings);
utils::hook::inject(0x441187_b + 3, attachment_strings);
utils::hook::set<uint32_t>(0x104C8A_b + 4, RVA(attachment_strings) - 0x38F1750);
const auto sub_118540_stub = [](utils::hook::assembler& a)
{
a.mov(rax, reinterpret_cast<size_t>(&attachment_array[0]));
a.mov(r8d, pool_size);
a.mov(rdx, rax);
a.mov(ecx, game::ASSET_TYPE_ATTACHMENT);
a.call(0x59D460_b);
a.jmp(0x118573_b);
};
const auto loc_1185A0_stub = [](utils::hook::assembler& a)
{
a.mov(rax, reinterpret_cast<size_t>(&attachment_array[0]));
a.push(rbx);
a.imul(rbx, 8);
a.mov(rcx, qword_ptr(rax, rbx));
a.pop(rbx);
a.cmp(qword_ptr(rcx, 8), 0);
a.lea(rsi, qword_ptr(rcx, 8));
a.jmp(0x1185AE_b);
};
utils::hook::jump(0x11855F_b, utils::hook::assemble(sub_118540_stub), true);
utils::hook::jump(0x1185A0_b, utils::hook::assemble(loc_1185A0_stub), true);
}
void reallocate_attachment_and_weapon()
{
// weapon & attachment strings are reset here (we need to also reset the reallocated ones)
utils::hook::call(0x13ABBA_b, memset_stub);
utils::hook::call(0x13AC5C_b, memset_stub);
utils::hook::call(0x13ACF0_b, memset_stub);
utils::hook::call(0x17D1C5_b, memset_stub);
reallocate_weapon_pool();
reallocate_attachment_pool();
}
void reallocate_asset_pools()
{
reallocate_weapon_pool();
reallocate_attachment_and_weapon();
reallocate_asset_pool_multiplier<game::ASSET_TYPE_XANIM, 2>();
reallocate_asset_pool_multiplier<game::ASSET_TYPE_SOUND, 2>();
reallocate_asset_pool_multiplier<game::ASSET_TYPE_LOADED_SOUND, 2>();