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MHWILDS: Fix REModule struct (tdb81) #1528

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Merged
praydog merged 1 commit into from
Feb 8, 2026
Merged

MHWILDS: Fix REModule struct (tdb81) #1528

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18 changes: 18 additions & 0 deletions shared/sdk/RETypeDB.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1190,16 +1190,34 @@ std::span<uint32_t> REModule::get_types() const {

std::span<uint32_t> REModule::get_methods() const {
auto tdb = RETypeDB::get();

#if TDB_VER == 81
spdlog::warn("This TDB version does not support REModule::get_methods()");
return {};
#else
return std::span<uint32_t>{(uint32_t*)tdb->get_bytes(this->methods_start), (size_t)this->methods_count};
#endif
}

std::span<uint32_t> REModule::get_instantiated_methods() const {
auto tdb = RETypeDB::get();

#if TDB_VER == 81
spdlog::warn("This TDB version does not support REModule::get_instantiated_methods()");
return {};
#else
return std::span<uint32_t>{(uint32_t*)tdb->get_bytes(this->method_instantiations_start), (size_t)this->method_instantiations_count};
#endif
}

std::span<uint32_t> REModule::get_member_references() const {
auto tdb = RETypeDB::get();

#if TDB_VER == 81
spdlog::warn("This TDB version does not support REModule::get_member_references()");
return {};
#else
return std::span<uint32_t>{(uint32_t*)tdb->get_bytes(this->member_references_start), (size_t)this->member_references_count};
#endif
}
} // namespace sdk
194 changes: 191 additions & 3 deletions shared/sdk/RETypeDB.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -444,6 +444,179 @@ struct GenericListData {
};
}

namespace tdb81 {
struct REMethodDefinition;
struct REMethodImpl;
struct REField;
struct REFieldImpl;
struct REProperty;
struct RETypeImpl;
struct REPropertyImpl;
struct REParameterDef;
struct REModule;

struct TDB {
uint32_t magic;
uint32_t version;
uint32_t numTypes;
uint32_t typesStartOfGenericsProbably; // I think this is the index of the start of the generics list in the types array (or start of something else)

uint32_t unk_int_tdb74;

uint32_t numMethods;
uint32_t numFields;
uint32_t numTypeImpl;
uint32_t numFieldImpl;
uint32_t numMethodImpl;
uint32_t numPropertyImpl;
uint32_t numProperties;
uint32_t numEvents;

uint32_t numParams;
uint32_t numAttributes;
int32_t numInitData;
uint32_t numAttributes2;
uint32_t numInternStrings;
uint32_t numModules;
int32_t devEntry;
int32_t appEntry;

uint32_t numStringPool;
uint32_t numBytePool;

uint32_t padding;

sdk::REModule* modules;
sdk::RETypeDefinition (*types)[93788];
sdk::RETypeImpl (*typesImpl)[256];
sdk::REMethodDefinition (*methods)[703558];
sdk::REMethodImpl (*methodsImpl)[56756];
sdk::REField (*fields)[1];
sdk::REFieldImpl (*fieldsImpl)[1];
sdk::REProperty (*properties)[256];
sdk::REPropertyImpl (*propertiesImpl)[1];
void* events;
sdk::REParameterDef (*params)[10000];
class ::REAttributeDef (*attributes)[2000];
int32_t (*initData)[19890];
void* unk;
int32_t (*attributes2)[256];
char (*stringPool)[1];
uint8_t (*bytePool)[256];
int32_t (*internStrings)[14154];
};

static_assert(sizeof(TDB) == 240);

struct REModule {
uint32_t guid[4];
int32_t unk1;
uint32_t unk2;
uint16_t major;
uint16_t minor;
uint16_t build;
uint16_t revision;
uint32_t flags;
int32_t assembly_name_offset; // string
int32_t location_offset; // string
uint32_t unk3;
uint32_t module_name_offset; // string
uint32_t unk4;
int32_t types_count;
int32_t types_start;
};
static_assert(sizeof(REModule) == 0x40);

#pragma pack(push, 4)
struct REParameterDef {
uint16_t attributes_id;
uint16_t init_data_index;
uint32_t name_offset : 30;
uint32_t modifier : 2;
uint32_t type_id : TYPE_INDEX_BITS;
uint32_t flags : (32 - TYPE_INDEX_BITS);
};

struct REMethodDefinition {
uint32_t declaring_typeid : TYPE_INDEX_BITS;
uint32_t params_lo : 13;
uint32_t impl_id : 19;
uint32_t params_hi : 13;
int32_t encoded_offset;
};
static_assert(sizeof(REMethodDefinition) == 0xC);

struct REMethodImpl {
uint16_t attributes_id;
int16_t vtable_index;
uint16_t flags;
uint16_t impl_flags;
uint32_t name_offset;
};

struct RETypeImpl {
int32_t name_offset; // 0x0
int32_t namespace_offset; // 0x4
int32_t field_size; // 0x8
int32_t static_field_size; // 0xc
uint64_t unk_pad : 33; // 0x10
uint64_t num_member_fields : 24; // 0x10
uint64_t unk_pad_2 : 7; // 0x10
uint16_t num_member_methods; // 0x18
int16_t num_native_vtable; // 0x1a
int16_t interface_id; // 0x1c
char pad_1e[0x12];
};
#if TDB_VER >= 71
static_assert(sizeof(RETypeImpl) == 0x30);
static_assert(offsetof(RETypeImpl, num_member_methods) == 0x18);
#endif

struct REProperty {
uint64_t impl_id : 20;
uint64_t getter : 22;
uint64_t setter : 22;
};

struct REPropertyImpl {
uint16_t flags;
uint16_t attributes_id;
int32_t name_offset;
};
#pragma pack(pop)

struct ParamList {
uint16_t numParams; //0x0000
uint16_t invokeID; //0x0002
uint32_t returnType; //0x0004
uint32_t params[1]; //0x0008
};

struct REField {
uint64_t declaring_typeid : TYPE_INDEX_BITS;
uint64_t impl_id : TYPE_INDEX_BITS;
uint64_t field_typeid : TYPE_INDEX_BITS;
uint64_t init_data_hi : 6;
uint64_t rest2 : 1;
};

struct REFieldImpl {
uint16_t attributes_id;
uint16_t unk : 1;
uint16_t flags : 15;
uint32_t offset : 26;
uint32_t init_data_lo : 6;
uint32_t name_offset : 28;
uint32_t init_data_mid : 4;
};

struct GenericListData {
uint32_t definition_typeid : TYPE_INDEX_BITS;
uint32_t num : (32 - TYPE_INDEX_BITS);
uint32_t types[1];
};
}

namespace tdb74 {
struct REMethodDefinition;
struct REMethodImpl;
Expand Down Expand Up @@ -505,7 +678,6 @@ struct TDB {
uint8_t (*bytePool)[256];
int32_t (*internStrings)[14154];
};

struct REModule {
uint32_t guid[4];
int32_t unk1;
Expand Down Expand Up @@ -1354,8 +1526,11 @@ struct TDB {
#pragma pack(pop)
}

// TODO?
struct REModule_ : public sdk::tdb74::REModule {};
#if TDB_VER == 81
struct REModule_: public sdk::tdb81::REModule {};
#else
struct REModule_: public sdk::tdb74::REModule {};
#endif

#if TDB_VER >= 84
struct RETypeDB_ : public sdk::tdb84::TDB {};
Expand All @@ -1371,6 +1546,19 @@ struct REParameterDef : public sdk::tdb84::REParameterDef {};
struct GenericListData : public sdk::tdb84::GenericListData {};
using ParamList = sdk::tdb84::ParamList;

#elif TDB_VER >= 81
struct RETypeDB_ : public sdk::tdb81::TDB {};
struct REMethodDefinition_ : public sdk::tdb81::REMethodDefinition {};
struct REMethodImpl : public sdk::tdb81::REMethodImpl {};
using REField_ = sdk::tdb81::REField;
struct REFieldImpl : public sdk::tdb81::REFieldImpl {};
struct RETypeImpl : public sdk::tdb81::RETypeImpl {};
struct REPropertyImpl : public sdk::tdb81::REPropertyImpl {};
struct REProperty : public sdk::tdb81::REProperty {};
struct REParameterDef : public sdk::tdb81::REParameterDef {};
struct GenericListData : public sdk::tdb81::GenericListData {};
using ParamList = sdk::tdb81::ParamList;

#elif TDB_VER >= 74
struct RETypeDB_ : public sdk::tdb74::TDB {};

Expand Down
2 changes: 1 addition & 1 deletion shared/sdk/TDBVer.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
#elif defined(MHSTORIES3)
#define TDB_VER 82
#elif defined(MHWILDS)
#define TDB_VER 74
#define TDB_VER 81
#elif defined(DD2)
#define TDB_VER 73
#elif defined(SF6)
Expand Down