Add marshalling to PackedByteArray

-Decode/Encode functions for u8,s8,u16,s16,u32,s32,u64,s64,half,float,double,variant
-Improved binder template to allow this

Given in Godot 4.0 PackedByteArray is passed as reference, it is now possible to have these functions there, which makes the most sense.

2 files changed, 370 insertions, 41 deletions

diff --git a/core/variant/binder_common.h b/core/variant/binder_common.h
index 8c0b7907e3..86bbf43266 100644
--- a/core/variant/binder_common.h
+++ b/core/variant/binder_common.h
@@ -233,6 +233,11 @@ void call_with_ptr_args_retc_helper(T *p_instance, R (T::*p_method)(P...) const,
 	PtrToArg<R>::encode((p_instance->*p_method)(PtrToArg<P>::convert(p_args[Is])...), r_ret);
 }
 
+template <class T, class... P, size_t... Is>
+void call_with_ptr_args_static_helper(T *p_instance, void (*p_method)(T *, P...), const void **p_args, IndexSequence<Is...>) {
+	p_method(p_instance, PtrToArg<P>::convert(p_args[Is])...);
+}
+
 template <class T, class R, class... P, size_t... Is>
 void call_with_ptr_args_static_retc_helper(T *p_instance, R (*p_method)(T *, P...), const void **p_args, void *r_ret, IndexSequence<Is...>) {
 	PtrToArg<R>::encode(p_method(p_instance, PtrToArg<P>::convert(p_args[Is])...), r_ret);
@@ -273,6 +278,11 @@ void call_with_validated_variant_args_static_retc_helper(T *p_instance, R (*p_me
 	VariantInternalAccessor<typename GetSimpleTypeT<R>::type_t>::set(r_ret, p_method(p_instance, (VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...));
 }
 
+template <class T, class... P, size_t... Is>
+void call_with_validated_variant_args_static_helper(T *p_instance, void (*p_method)(T *, P...), const Variant **p_args, IndexSequence<Is...>) {
+	p_method(p_instance, (VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...);
+}
+
 template <class R, class... P, size_t... Is>
 void call_with_validated_variant_args_static_method_ret_helper(R (*p_method)(P...), const Variant **p_args, Variant *r_ret, IndexSequence<Is...>) {
 	VariantInternalAccessor<typename GetSimpleTypeT<R>::type_t>::set(r_ret, p_method((VariantInternalAccessor<typename GetSimpleTypeT<P>::type_t>::get(p_args[Is]))...));
@@ -471,6 +481,11 @@ void call_with_ptr_args_retc(T *p_instance, R (T::*p_method)(P...) const, const
 	call_with_ptr_args_retc_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
 }
 
+template <class T, class... P>
+void call_with_ptr_args_static(T *p_instance, void (*p_method)(T *, P...), const void **p_args) {
+	call_with_ptr_args_static_helper<T, P...>(p_instance, p_method, p_args, BuildIndexSequence<sizeof...(P)>{});
+}
+
 template <class T, class R, class... P>
 void call_with_ptr_args_static_retc(T *p_instance, R (*p_method)(T *, P...), const void **p_args, void *r_ret) {
 	call_with_ptr_args_static_retc_helper<T, R, P...>(p_instance, p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
@@ -501,6 +516,11 @@ void call_with_validated_variant_args_retc(Variant *base, R (T::*p_method)(P...)
 	call_with_validated_variant_args_retc_helper<T, R, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
 }
 
+template <class T, class... P>
+void call_with_validated_variant_args_static(Variant *base, void (*p_method)(T *, P...), const Variant **p_args) {
+	call_with_validated_variant_args_static_helper<T, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, BuildIndexSequence<sizeof...(P)>{});
+}
+
 template <class T, class R, class... P>
 void call_with_validated_variant_args_static_retc(Variant *base, R (*p_method)(T *, P...), const Variant **p_args, Variant *r_ret) {
 	call_with_validated_variant_args_static_retc_helper<T, R, P...>(VariantGetInternalPtr<T>::get_ptr(base), p_method, p_args, r_ret, BuildIndexSequence<sizeof...(P)>{});
@@ -758,6 +778,52 @@ void call_with_variant_args_retc_static_helper_dv(T *p_instance, R (*p_method)(T
 	call_with_variant_args_retc_static_helper(p_instance, p_method, args, r_ret, r_error, BuildIndexSequence<sizeof...(P)>{});
 }
 
+template <class T, class... P, size_t... Is>
+void call_with_variant_args_static_helper(T *p_instance, void (*p_method)(T *, P...), const Variant **p_args, Callable::CallError &r_error, IndexSequence<Is...>) {
+	r_error.error = Callable::CallError::CALL_OK;
+
+#ifdef DEBUG_METHODS_ENABLED
+	(p_method)(p_instance, VariantCasterAndValidate<P>::cast(p_args, Is, r_error)...);
+#else
+	(p_method)(p_instance, VariantCaster<P>::cast(*p_args[Is])...);
+#endif
+
+	(void)p_args;
+}
+
+template <class T, class... P>
+void call_with_variant_args_static_helper_dv(T *p_instance, void (*p_method)(T *, P...), const Variant **p_args, int p_argcount, const Vector<Variant> &default_values, Callable::CallError &r_error) {
+#ifdef DEBUG_ENABLED
+	if ((size_t)p_argcount > sizeof...(P)) {
+		r_error.error = Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
+		r_error.argument = sizeof...(P);
+		return;
+	}
+#endif
+
+	int32_t missing = (int32_t)sizeof...(P) - (int32_t)p_argcount;
+
+	int32_t dvs = default_values.size();
+#ifdef DEBUG_ENABLED
+	if (missing > dvs) {
+		r_error.error = Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
+		r_error.argument = sizeof...(P);
+		return;
+	}
+#endif
+
+	const Variant *args[sizeof...(P) == 0 ? 1 : sizeof...(P)]; //avoid zero sized array
+	for (int32_t i = 0; i < (int32_t)sizeof...(P); i++) {
+		if (i < p_argcount) {
+			args[i] = p_args[i];
+		} else {
+			args[i] = &default_values[i - p_argcount + (dvs - missing)];
+		}
+	}
+
+	call_with_variant_args_static_helper(p_instance, p_method, args, r_error, BuildIndexSequence<sizeof...(P)>{});
+}
+
 template <class R, class... P>
 void call_with_variant_args_static_ret_dv(R (*p_method)(P...), const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error, const Vector<Variant> &default_values) {
 #ifdef DEBUG_ENABLED
diff --git a/core/variant/variant_call.cpp b/core/variant/variant_call.cpp
index 8f2d252810..61f3f7d82e 100644
--- a/core/variant/variant_call.cpp
+++ b/core/variant/variant_call.cpp
@@ -34,6 +34,7 @@
 #include "core/crypto/crypto_core.h"
 #include "core/debugger/engine_debugger.h"
 #include "core/io/compression.h"
+#include "core/io/marshalls.h"
 #include "core/object/class_db.h"
 #include "core/os/os.h"
 #include "core/templates/local_vector.h"
@@ -73,6 +74,16 @@ static _FORCE_INLINE_ void vc_method_call(void (T::*method)(P...) const, Variant
 }
 
 template <class R, class T, class... P>
+static _FORCE_INLINE_ void vc_method_call_static(R (*method)(T *, P...), Variant *base, const Variant **p_args, int p_argcount, Variant &r_ret, const Vector<Variant> &p_defvals, Callable::CallError &r_error) {
+	call_with_variant_args_retc_static_helper_dv(VariantGetInternalPtr<T>::get_ptr(base), method, p_args, p_argcount, r_ret, p_defvals, r_error);
+}
+
+template <class T, class... P>
+static _FORCE_INLINE_ void vc_method_call_static(void (*method)(T *, P...), Variant *base, const Variant **p_args, int p_argcount, Variant &r_ret, const Vector<Variant> &p_defvals, Callable::CallError &r_error) {
+	call_with_variant_args_static_helper_dv(VariantGetInternalPtr<T>::get_ptr(base), method, p_args, p_argcount, p_defvals, r_error);
+}
+
+template <class R, class T, class... P>
 static _FORCE_INLINE_ void vc_validated_call(R (T::*method)(P...), Variant *base, const Variant **p_args, Variant *r_ret) {
 	call_with_validated_variant_args_ret(base, method, p_args, r_ret);
 }
@@ -91,6 +102,16 @@ static _FORCE_INLINE_ void vc_validated_call(void (T::*method)(P...) const, Vari
 	call_with_validated_variant_argsc(base, method, p_args);
 }
 
+template <class R, class T, class... P>
+static _FORCE_INLINE_ void vc_validated_call_static(R (*method)(T *, P...), Variant *base, const Variant **p_args, Variant *r_ret) {
+	call_with_validated_variant_args_static_retc(base, method, p_args, r_ret);
+}
+
+template <class T, class... P>
+static _FORCE_INLINE_ void vc_validated_call_static(void (*method)(T *, P...), Variant *base, const Variant **p_args, Variant *r_ret) {
+	call_with_validated_variant_args_static(base, method, p_args);
+}
+
 template <class R, class... P>
 static _FORCE_INLINE_ void vc_validated_static_call(R (*method)(P...), const Variant **p_args, Variant *r_ret) {
 	call_with_validated_variant_args_static_method_ret(method, p_args, r_ret);
@@ -146,6 +167,11 @@ static _FORCE_INLINE_ void vc_change_return_type(R (*method)(P...), Variant *v)
 	VariantTypeAdjust<R>::adjust(v);
 }
 
+template <class... P>
+static _FORCE_INLINE_ void vc_change_return_type(void (*method)(P...), Variant *v) {
+	VariantInternal::clear(v);
+}
+
 template <class R, class T, class... P>
 static _FORCE_INLINE_ int vc_get_argument_count(R (T::*method)(P...)) {
 	return sizeof...(P);
@@ -229,6 +255,11 @@ static _FORCE_INLINE_ Variant::Type vc_get_return_type(R (*method)(P...)) {
 	return GetTypeInfo<R>::VARIANT_TYPE;
 }
 
+template <class... P>
+static _FORCE_INLINE_ Variant::Type vc_get_return_type(void (*method)(P...)) {
+	return Variant::NIL;
+}
+
 template <class R, class T, class... P>
 static _FORCE_INLINE_ bool vc_has_return_type(R (T::*method)(P...)) {
 	return true;
@@ -393,45 +424,50 @@ static _FORCE_INLINE_ void vc_ptrcall(R (*method)(T *, P...), void *p_base, cons
 	call_with_ptr_args_static_retc<T, R, P...>(reinterpret_cast<T *>(p_base), method, p_args, r_ret);
 }
 
-#define FUNCTION_CLASS(m_class, m_method_name, m_method_ptr)                                                                                                          \
-	struct Method_##m_class##_##m_method_name {                                                                                                                       \
-		static void call(Variant *base, const Variant **p_args, int p_argcount, Variant &r_ret, const Vector<Variant> &p_defvals, Callable::CallError &r_error) {     \
-			call_with_variant_args_retc_static_helper_dv(VariantGetInternalPtr<m_class>::get_ptr(base), m_method_ptr, p_args, p_argcount, r_ret, p_defvals, r_error); \
-		}                                                                                                                                                             \
-		static void validated_call(Variant *base, const Variant **p_args, int p_argcount, Variant *r_ret) {                                                           \
-			vc_change_return_type(m_method_ptr, r_ret);                                                                                                               \
-			call_with_validated_variant_args_static_retc(base, m_method_ptr, p_args, r_ret);                                                                          \
-		}                                                                                                                                                             \
-		static void ptrcall(void *p_base, const void **p_args, void *r_ret, int p_argcount) {                                                                         \
-			vc_ptrcall(m_method_ptr, p_base, p_args, r_ret);                                                                                                          \
-		}                                                                                                                                                             \
-		static int get_argument_count() {                                                                                                                             \
-			return vc_get_argument_count(m_method_ptr);                                                                                                               \
-		}                                                                                                                                                             \
-		static Variant::Type get_argument_type(int p_arg) {                                                                                                           \
-			return vc_get_argument_type(m_method_ptr, p_arg);                                                                                                         \
-		}                                                                                                                                                             \
-		static Variant::Type get_return_type() {                                                                                                                      \
-			return vc_get_return_type(m_method_ptr);                                                                                                                  \
-		}                                                                                                                                                             \
-		static bool has_return_type() {                                                                                                                               \
-			return true;                                                                                                                                              \
-		}                                                                                                                                                             \
-		static bool is_const() {                                                                                                                                      \
-			return true;                                                                                                                                              \
-		}                                                                                                                                                             \
-		static bool is_static() {                                                                                                                                     \
-			return false;                                                                                                                                             \
-		}                                                                                                                                                             \
-		static bool is_vararg() {                                                                                                                                     \
-			return false;                                                                                                                                             \
-		}                                                                                                                                                             \
-		static Variant::Type get_base_type() {                                                                                                                        \
-			return GetTypeInfo<m_class>::VARIANT_TYPE;                                                                                                                \
-		}                                                                                                                                                             \
-		static StringName get_name() {                                                                                                                                \
-			return #m_method_name;                                                                                                                                    \
-		}                                                                                                                                                             \
+template <class T, class... P>
+static _FORCE_INLINE_ void vc_ptrcall(void (*method)(T *, P...), void *p_base, const void **p_args, void *r_ret) {
+	call_with_ptr_args_static<T, P...>(reinterpret_cast<T *>(p_base), method, p_args);
+}
+
+#define FUNCTION_CLASS(m_class, m_method_name, m_method_ptr, m_const)                                                                                             \
+	struct Method_##m_class##_##m_method_name {                                                                                                                   \
+		static void call(Variant *base, const Variant **p_args, int p_argcount, Variant &r_ret, const Vector<Variant> &p_defvals, Callable::CallError &r_error) { \
+			vc_method_call_static(m_method_ptr, base, p_args, p_argcount, r_ret, p_defvals, r_error);                                                             \
+		}                                                                                                                                                         \
+		static void validated_call(Variant *base, const Variant **p_args, int p_argcount, Variant *r_ret) {                                                       \
+			vc_change_return_type(m_method_ptr, r_ret);                                                                                                           \
+			vc_validated_call_static(m_method_ptr, base, p_args, r_ret);                                                                                          \
+		}                                                                                                                                                         \
+		static void ptrcall(void *p_base, const void **p_args, void *r_ret, int p_argcount) {                                                                     \
+			vc_ptrcall(m_method_ptr, p_base, p_args, r_ret);                                                                                                      \
+		}                                                                                                                                                         \
+		static int get_argument_count() {                                                                                                                         \
+			return vc_get_argument_count(m_method_ptr);                                                                                                           \
+		}                                                                                                                                                         \
+		static Variant::Type get_argument_type(int p_arg) {                                                                                                       \
+			return vc_get_argument_type(m_method_ptr, p_arg);                                                                                                     \
+		}                                                                                                                                                         \
+		static Variant::Type get_return_type() {                                                                                                                  \
+			return vc_get_return_type(m_method_ptr);                                                                                                              \
+		}                                                                                                                                                         \
+		static bool has_return_type() {                                                                                                                           \
+			return vc_has_return_type_static(m_method_ptr);                                                                                                       \
+		}                                                                                                                                                         \
+		static bool is_const() {                                                                                                                                  \
+			return m_const;                                                                                                                                       \
+		}                                                                                                                                                         \
+		static bool is_static() {                                                                                                                                 \
+			return false;                                                                                                                                         \
+		}                                                                                                                                                         \
+		static bool is_vararg() {                                                                                                                                 \
+			return false;                                                                                                                                         \
+		}                                                                                                                                                         \
+		static Variant::Type get_base_type() {                                                                                                                    \
+			return GetTypeInfo<m_class>::VARIANT_TYPE;                                                                                                            \
+		}                                                                                                                                                         \
+		static StringName get_name() {                                                                                                                            \
+			return #m_method_name;                                                                                                                                \
+		}                                                                                                                                                         \
 	};
 
 #define VARARG_CLASS(m_class, m_method_name, m_method_ptr, m_has_return, m_return_type)                                                                           \
@@ -590,6 +626,195 @@ struct _VariantCall {
 		return s;
 	}
 
+	static int64_t func_PackedByteArray_decode_u8(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > int64_t(size) - 1, 0);
+		const uint8_t *r = p_instance->ptr();
+		return r[p_offset];
+	}
+	static int64_t func_PackedByteArray_decode_s8(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > int64_t(size) - 1, 0);
+		const uint8_t *r = p_instance->ptr();
+		return *((const int8_t *)&r[p_offset]);
+	}
+	static int64_t func_PackedByteArray_decode_u16(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > (int64_t(size) - 2), 0);
+		const uint8_t *r = p_instance->ptr();
+		return decode_uint16(&r[p_offset]);
+	}
+	static int64_t func_PackedByteArray_decode_s16(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > (int64_t(size) - 2), 0);
+		const uint8_t *r = p_instance->ptr();
+		return (int16_t)decode_uint16(&r[p_offset]);
+	}
+	static int64_t func_PackedByteArray_decode_u32(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > (int64_t(size) - 4), 0);
+		const uint8_t *r = p_instance->ptr();
+		return decode_uint32(&r[p_offset]);
+	}
+	static int64_t func_PackedByteArray_decode_s32(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > (int64_t(size) - 4), 0);
+		const uint8_t *r = p_instance->ptr();
+		return (int32_t)decode_uint32(&r[p_offset]);
+	}
+	static int64_t func_PackedByteArray_decode_u64(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > (int64_t(size) - 8), 0);
+		const uint8_t *r = p_instance->ptr();
+		return (int64_t)decode_uint64(&r[p_offset]);
+	}
+	static int64_t func_PackedByteArray_decode_s64(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > (int64_t(size) - 8), 0);
+		const uint8_t *r = p_instance->ptr();
+		return (int64_t)decode_uint64(&r[p_offset]);
+	}
+	static double func_PackedByteArray_decode_half(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > (int64_t(size) - 2), 0);
+		const uint8_t *r = p_instance->ptr();
+		return Math::half_to_float(decode_uint16(&r[p_offset]));
+	}
+	static double func_PackedByteArray_decode_float(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > (int64_t(size) - 4), 0);
+		const uint8_t *r = p_instance->ptr();
+		return decode_float(&r[p_offset]);
+	}
+
+	static double func_PackedByteArray_decode_double(PackedByteArray *p_instance, int64_t p_offset) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0 || p_offset > (int64_t(size) - 8), 0);
+		const uint8_t *r = p_instance->ptr();
+		return decode_double(&r[p_offset]);
+	}
+
+	static bool func_PackedByteArray_has_encoded_var(PackedByteArray *p_instance, int64_t p_offset, bool p_allow_objects) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0, false);
+		const uint8_t *r = p_instance->ptr();
+		Variant ret;
+		Error err = decode_variant(ret, r + p_offset, size - p_offset, nullptr, p_allow_objects);
+		return err == OK;
+	}
+
+	static Variant func_PackedByteArray_decode_var(PackedByteArray *p_instance, int64_t p_offset, bool p_allow_objects) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0, Variant());
+		const uint8_t *r = p_instance->ptr();
+		Variant ret;
+		Error err = decode_variant(ret, r + p_offset, size - p_offset, nullptr, p_allow_objects);
+		if (err != OK) {
+			ret = Variant();
+		}
+		return ret;
+	}
+
+	static int64_t func_PackedByteArray_decode_var_size(PackedByteArray *p_instance, int64_t p_offset, bool p_allow_objects) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0, 0);
+		const uint8_t *r = p_instance->ptr();
+		Variant ret;
+		int r_size;
+		Error err = decode_variant(ret, r + p_offset, size - p_offset, &r_size, p_allow_objects);
+		if (err == OK) {
+			return r_size;
+		}
+		return 0;
+	}
+
+	static void func_PackedByteArray_encode_u8(PackedByteArray *p_instance, int64_t p_offset, int64_t p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 1);
+		uint8_t *w = p_instance->ptrw();
+		*((uint8_t *)&w[p_offset]) = p_value;
+	}
+	static void func_PackedByteArray_encode_s8(PackedByteArray *p_instance, int64_t p_offset, int64_t p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 1);
+		uint8_t *w = p_instance->ptrw();
+		*((int8_t *)&w[p_offset]) = p_value;
+	}
+
+	static void func_PackedByteArray_encode_u16(PackedByteArray *p_instance, int64_t p_offset, int64_t p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 2);
+		uint8_t *w = p_instance->ptrw();
+		encode_uint16((uint16_t)p_value, &w[p_offset]);
+	}
+	static void func_PackedByteArray_encode_s16(PackedByteArray *p_instance, int64_t p_offset, int64_t p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 2);
+		uint8_t *w = p_instance->ptrw();
+		encode_uint16((int16_t)p_value, &w[p_offset]);
+	}
+
+	static void func_PackedByteArray_encode_u32(PackedByteArray *p_instance, int64_t p_offset, int64_t p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 4);
+		uint8_t *w = p_instance->ptrw();
+		encode_uint32((uint32_t)p_value, &w[p_offset]);
+	}
+	static void func_PackedByteArray_encode_s32(PackedByteArray *p_instance, int64_t p_offset, int64_t p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 4);
+		uint8_t *w = p_instance->ptrw();
+		encode_uint32((int32_t)p_value, &w[p_offset]);
+	}
+
+	static void func_PackedByteArray_encode_u64(PackedByteArray *p_instance, int64_t p_offset, int64_t p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 8);
+		uint8_t *w = p_instance->ptrw();
+		encode_uint64((uint64_t)p_value, &w[p_offset]);
+	}
+	static void func_PackedByteArray_encode_s64(PackedByteArray *p_instance, int64_t p_offset, int64_t p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 8);
+		uint8_t *w = p_instance->ptrw();
+		encode_uint64((int64_t)p_value, &w[p_offset]);
+	}
+
+	static void func_PackedByteArray_encode_half(PackedByteArray *p_instance, int64_t p_offset, double p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 2);
+		uint8_t *w = p_instance->ptrw();
+		encode_uint16(Math::make_half_float(p_value), &w[p_offset]);
+	}
+	static void func_PackedByteArray_encode_float(PackedByteArray *p_instance, int64_t p_offset, double p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 4);
+		uint8_t *w = p_instance->ptrw();
+		encode_float(p_value, &w[p_offset]);
+	}
+	static void func_PackedByteArray_encode_double(PackedByteArray *p_instance, int64_t p_offset, double p_value) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND(p_offset < 0 || p_offset > int64_t(size) - 8);
+		uint8_t *w = p_instance->ptrw();
+		encode_double(p_value, &w[p_offset]);
+	}
+	static int64_t func_PackedByteArray_encode_var(PackedByteArray *p_instance, int64_t p_offset, const Variant &p_value, bool p_allow_objects) {
+		uint64_t size = p_instance->size();
+		ERR_FAIL_COND_V(p_offset < 0, -1);
+		uint8_t *w = p_instance->ptrw();
+		int len;
+		Error err = encode_variant(p_value, nullptr, len, p_allow_objects);
+		if (err != OK) {
+			return -1;
+		}
+		if (uint64_t(p_offset + len) > size) {
+			return -1; // did not fit
+		}
+		encode_variant(p_value, w + p_offset, len, p_allow_objects);
+
+		return len;
+	}
+
 	static void func_Callable_call(Variant *v, const Variant **p_args, int p_argcount, Variant &r_ret, Callable::CallError &r_error) {
 		Callable *callable = VariantGetInternalPtr<Callable>::get_ptr(v);
 		callable->call(p_args, p_argcount, r_ret, r_error);
@@ -1005,11 +1230,21 @@ Variant Variant::get_constant_value(Variant::Type p_type, const StringName &p_va
 
 #ifdef DEBUG_METHODS_ENABLED
 #define bind_function(m_type, m_name, m_method, m_arg_names, m_default_args) \
-	FUNCTION_CLASS(m_type, m_name, m_method);                                \
+	FUNCTION_CLASS(m_type, m_name, m_method, true);                          \
 	register_builtin_method<Method_##m_type##_##m_name>(m_arg_names, m_default_args);
 #else
 #define bind_function(m_type, m_name, m_method, m_arg_names, m_default_args) \
-	FUNCTION_CLASS(m_type, m_name, m_method);                                \
+	FUNCTION_CLASS(m_type, m_name, m_method, true);                          \
+	register_builtin_method<Method_##m_type##_##m_name>(sarray(), m_default_args);
+#endif
+
+#ifdef DEBUG_METHODS_ENABLED
+#define bind_functionnc(m_type, m_name, m_method, m_arg_names, m_default_args) \
+	FUNCTION_CLASS(m_type, m_name, m_method, false);                           \
+	register_builtin_method<Method_##m_type##_##m_name>(m_arg_names, m_default_args);
+#else
+#define bind_functionnc(m_type, m_name, m_method, m_arg_names, m_default_args) \
+	FUNCTION_CLASS(m_type, m_name, m_method, false);                           \
 	register_builtin_method<Method_##m_type##_##m_name>(sarray(), m_default_args);
 #endif
 
@@ -1491,6 +1726,34 @@ static void _register_variant_builtin_methods() {
 	bind_function(PackedByteArray, decompress, _VariantCall::func_PackedByteArray_decompress, sarray("buffer_size", "compression_mode"), varray(0));
 	bind_function(PackedByteArray, decompress_dynamic, _VariantCall::func_PackedByteArray_decompress_dynamic, sarray("max_output_size", "compression_mode"), varray(0));
 
+	bind_function(PackedByteArray, decode_u8, _VariantCall::func_PackedByteArray_decode_u8, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, decode_s8, _VariantCall::func_PackedByteArray_decode_s8, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, decode_u16, _VariantCall::func_PackedByteArray_decode_u16, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, decode_s16, _VariantCall::func_PackedByteArray_decode_s16, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, decode_u32, _VariantCall::func_PackedByteArray_decode_u32, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, decode_s32, _VariantCall::func_PackedByteArray_decode_s32, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, decode_u64, _VariantCall::func_PackedByteArray_decode_u64, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, decode_s64, _VariantCall::func_PackedByteArray_decode_s64, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, decode_half, _VariantCall::func_PackedByteArray_decode_half, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, decode_float, _VariantCall::func_PackedByteArray_decode_float, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, decode_double, _VariantCall::func_PackedByteArray_decode_double, sarray("byte_offset"), varray());
+	bind_function(PackedByteArray, has_encoded_var, _VariantCall::func_PackedByteArray_has_encoded_var, sarray("byte_offset", "allow_objects"), varray(false));
+	bind_function(PackedByteArray, decode_var, _VariantCall::func_PackedByteArray_decode_var, sarray("byte_offset", "allow_objects"), varray(false));
+	bind_function(PackedByteArray, decode_var_size, _VariantCall::func_PackedByteArray_decode_var_size, sarray("byte_offset", "allow_objects"), varray(false));
+
+	bind_functionnc(PackedByteArray, encode_u8, _VariantCall::func_PackedByteArray_encode_u8, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_s8, _VariantCall::func_PackedByteArray_encode_s8, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_u16, _VariantCall::func_PackedByteArray_encode_u16, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_s16, _VariantCall::func_PackedByteArray_encode_s16, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_u32, _VariantCall::func_PackedByteArray_encode_u32, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_s32, _VariantCall::func_PackedByteArray_encode_s32, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_u64, _VariantCall::func_PackedByteArray_encode_u64, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_s64, _VariantCall::func_PackedByteArray_encode_s64, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_half, _VariantCall::func_PackedByteArray_encode_half, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_float, _VariantCall::func_PackedByteArray_encode_float, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_double, _VariantCall::func_PackedByteArray_encode_double, sarray("byte_offset", "value"), varray());
+	bind_functionnc(PackedByteArray, encode_var, _VariantCall::func_PackedByteArray_encode_var, sarray("byte_offset", "value", "allow_objects"), varray(false));
+
 	/* Int32 Array */
 
 	bind_method(PackedInt32Array, size, sarray(), varray());