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prim: Add specific RTTI implementation for mods #251

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090aac7
update:rtti for mods
Fuzzy2319 Mar 5, 2026
da10fef
fix:rtti when using SEAD_RTTI_OVERRIDE_CUSTOM on a class with SEAD_RT…
Fuzzy2319 Mar 5, 2026
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126 changes: 125 additions & 1 deletion include/prim/seadRuntimeTypeInfo.h
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ inline bool IsDerivedFrom(const Type* obj)
}

/// If the object is a DerivedType or any type that derives from (i.e. inherits) DerivedType,
/// this returns obj casted to DerivedType* -- otherwise this returns nullptr.
/// this returns obj cast to DerivedType* -- otherwise this returns nullptr.
///
/// @note This is similar to C++'s dynamic_cast or LLVM's dyn_cast but only works with types
/// that use the sead RTTI mechanism.
Expand All @@ -65,32 +65,39 @@ inline DerivedType* DynamicCast(Type* obj)

} // namespace sead

#if SEAD_TARGET == SEAD_TARGET_DECOMP
#if SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_RETURNS_INSTANCE

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_BASE(CLASS) \
virtual const CLASS* checkDerivedRuntimeTypeInfo( \
const sead::RuntimeTypeInfo::Interface* typeInfo) const \
{ \
return checkDerivedRuntimeTypeInfoStatic(typeInfo) ? this : nullptr; \
}

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_OVERRIDE(CLASS) \
const CLASS* checkDerivedRuntimeTypeInfo(const sead::RuntimeTypeInfo::Interface* typeInfo) \
const override \
{ \
return checkDerivedRuntimeTypeInfoStatic(typeInfo) ? this : nullptr; \
}

#else

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_BASE(CLASS) \
virtual bool checkDerivedRuntimeTypeInfo(const sead::RuntimeTypeInfo::Interface* typeInfo) \
const \
{ \
return checkDerivedRuntimeTypeInfoStatic(typeInfo); \
}

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_OVERRIDE(CLASS) \
bool checkDerivedRuntimeTypeInfo(const sead::RuntimeTypeInfo::Interface* typeInfo) \
const override \
{ \
return checkDerivedRuntimeTypeInfoStatic(typeInfo); \
}

#endif

/// Use this macro to declare sead RTTI machinery for a base class.
Expand Down Expand Up @@ -147,4 +154,121 @@ public:
return getRuntimeTypeInfoStatic(); \
}

#elif SEAD_TARGET == SEAD_TARGET_MOD
#if SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_RETURNS_INSTANCE

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_BASE(CLASS) \
virtual const CLASS* checkDerivedRuntimeTypeInfo( \
const sead::RuntimeTypeInfo::Interface* typeInfo) const;

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_OVERRIDE(CLASS) \
const CLASS* checkDerivedRuntimeTypeInfo(const sead::RuntimeTypeInfo::Interface* typeInfo) \
const override;

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_BASE_CUSTOM(CLASS) \
virtual const CLASS* checkDerivedRuntimeTypeInfo( \
const sead::RuntimeTypeInfo::Interface* typeInfo) const \
{ \
return checkDerivedRuntimeTypeInfoStatic(typeInfo) ? this : nullptr; \
}

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_OVERRIDE_CUSTOM(CLASS, BASE) \
const CLASS* checkDerivedRuntimeTypeInfo(const sead::RuntimeTypeInfo::Interface* typeInfo) \
const override \
{ \
return (checkDerivedRuntimeTypeInfoStatic(typeInfo) || \
this->BASE::checkDerivedRuntimeTypeInfo(typeInfo)) ? \
this : \
nullptr; \
}

#else

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_BASE(CLASS) \
virtual bool checkDerivedRuntimeTypeInfo(const sead::RuntimeTypeInfo::Interface* typeInfo) \
const;

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_OVERRIDE(CLASS) \
bool checkDerivedRuntimeTypeInfo(const sead::RuntimeTypeInfo::Interface* typeInfo) \
const override;

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_BASE_CUSTOM(CLASS) \
virtual bool checkDerivedRuntimeTypeInfo(const sead::RuntimeTypeInfo::Interface* typeInfo) \
const \
{ \
return checkDerivedRuntimeTypeInfoStatic(typeInfo); \
}

#define SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_OVERRIDE_CUSTOM(CLASS, BASE) \
bool checkDerivedRuntimeTypeInfo(const sead::RuntimeTypeInfo::Interface* typeInfo) \
const override \
{ \
return checkDerivedRuntimeTypeInfoStatic(typeInfo) || \
this->BASE::checkDerivedRuntimeTypeInfo(typeInfo); \
}

#endif

#define SEAD_RTTI_BASE(CLASS) \
public: \
SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_BASE(CLASS) \
\
virtual const sead::RuntimeTypeInfo::Interface* getRuntimeTypeInfo() const;

#define SEAD_RTTI_OVERRIDE(CLASS, BASE) \
public: \
SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_OVERRIDE(CLASS) \
\
const sead::RuntimeTypeInfo::Interface* getRuntimeTypeInfo() const override;

#define SEAD_RTTI_BASE_CUSTOM(CLASS) \
public: \
static const sead::RuntimeTypeInfo::Interface* getRuntimeTypeInfoStatic() \
{ \
static const sead::RuntimeTypeInfo::Root typeInfo; \
return &typeInfo; \
} \
\
static bool checkDerivedRuntimeTypeInfoStatic( \
const sead::RuntimeTypeInfo::Interface* typeInfo) \
{ \
const sead::RuntimeTypeInfo::Interface* clsTypeInfo = CLASS::getRuntimeTypeInfoStatic(); \
return typeInfo == clsTypeInfo; \
} \
\
SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_BASE_CUSTOM(CLASS) \
\
virtual const sead::RuntimeTypeInfo::Interface* getRuntimeTypeInfo() const \
{ \
return getRuntimeTypeInfoStatic(); \
}

/// Use this macro to declare sead RTTI machinery for a derived class.
/// @param CLASS The name of the class.
/// @param BASE The name of the base class of CLASS.
#define SEAD_RTTI_OVERRIDE_CUSTOM(CLASS, BASE) \
public: \
static const sead::RuntimeTypeInfo::Interface* getRuntimeTypeInfoStatic() \
{ \
static const sead::RuntimeTypeInfo::Derive<BASE> typeInfo; \
return &typeInfo; \
} \
\
static bool checkDerivedRuntimeTypeInfoStatic( \
const sead::RuntimeTypeInfo::Interface* typeInfo) \
\
{ \
const sead::RuntimeTypeInfo::Interface* clsTypeInfo = CLASS::getRuntimeTypeInfoStatic(); \
return typeInfo == clsTypeInfo; \
} \
\
SEAD_RTTI_CHECKDERIVEDRUNTIMETYPEINFO_OVERRIDE_CUSTOM(CLASS, BASE) \
\
const sead::RuntimeTypeInfo::Interface* getRuntimeTypeInfo() const override \
{ \
return getRuntimeTypeInfoStatic(); \
}

#endif

#endif // SEAD_RUNTIMETYPEINFO_H_
7 changes: 7 additions & 0 deletions include/seadVersion.h
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Original file line number Diff line number Diff line change
@@ -1,5 +1,12 @@
#pragma once

#define SEAD_TARGET_DECOMP 1
#define SEAD_TARGET_MOD 2

#ifndef SEAD_TARGET
#define SEAD_TARGET SEAD_TARGET_DECOMP
#endif

#define SEAD_VERSION_BOTW 1
#define SEAD_VERSION_SMO 2
#define SEAD_VERSION_SPL3 3
Expand Down