/*************************************************************************/ /* gdnative_interface.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #ifndef GDNATIVE_INTERFACE_H #define GDNATIVE_INTERFACE_H /* This is a C class header, you can copy it and use it directly in your own binders. * Together with the JSON file, you should be able to generate any binder. */ #include #include #include #ifndef __cplusplus typedef uint32_t char32_t; typedef uint16_t char16_t; #endif #ifdef __cplusplus extern "C" { #endif /* VARIANT TYPES */ typedef enum { GDNATIVE_VARIANT_TYPE_NIL, /* atomic types */ GDNATIVE_VARIANT_TYPE_BOOL, GDNATIVE_VARIANT_TYPE_INT, GDNATIVE_VARIANT_TYPE_FLOAT, GDNATIVE_VARIANT_TYPE_STRING, /* math types */ GDNATIVE_VARIANT_TYPE_VECTOR2, GDNATIVE_VARIANT_TYPE_VECTOR2I, GDNATIVE_VARIANT_TYPE_RECT2, GDNATIVE_VARIANT_TYPE_RECT2I, GDNATIVE_VARIANT_TYPE_VECTOR3, GDNATIVE_VARIANT_TYPE_VECTOR3I, GDNATIVE_VARIANT_TYPE_TRANSFORM2D, GDNATIVE_VARIANT_TYPE_PLANE, GDNATIVE_VARIANT_TYPE_QUATERNION, GDNATIVE_VARIANT_TYPE_AABB, GDNATIVE_VARIANT_TYPE_BASIS, GDNATIVE_VARIANT_TYPE_TRANSFORM3D, /* misc types */ GDNATIVE_VARIANT_TYPE_COLOR, GDNATIVE_VARIANT_TYPE_STRING_NAME, GDNATIVE_VARIANT_TYPE_NODE_PATH, GDNATIVE_VARIANT_TYPE_RID, GDNATIVE_VARIANT_TYPE_OBJECT, GDNATIVE_VARIANT_TYPE_CALLABLE, GDNATIVE_VARIANT_TYPE_SIGNAL, GDNATIVE_VARIANT_TYPE_DICTIONARY, GDNATIVE_VARIANT_TYPE_ARRAY, /* typed arrays */ GDNATIVE_VARIANT_TYPE_PACKED_BYTE_ARRAY, GDNATIVE_VARIANT_TYPE_PACKED_INT32_ARRAY, GDNATIVE_VARIANT_TYPE_PACKED_INT64_ARRAY, GDNATIVE_VARIANT_TYPE_PACKED_FLOAT32_ARRAY, GDNATIVE_VARIANT_TYPE_PACKED_FLOAT64_ARRAY, GDNATIVE_VARIANT_TYPE_PACKED_STRING_ARRAY, GDNATIVE_VARIANT_TYPE_PACKED_VECTOR2_ARRAY, GDNATIVE_VARIANT_TYPE_PACKED_VECTOR3_ARRAY, GDNATIVE_VARIANT_TYPE_PACKED_COLOR_ARRAY, GDNATIVE_VARIANT_TYPE_VARIANT_MAX } GDNativeVariantType; typedef enum { /* comparison */ GDNATIVE_VARIANT_OP_EQUAL, GDNATIVE_VARIANT_OP_NOT_EQUAL, GDNATIVE_VARIANT_OP_LESS, GDNATIVE_VARIANT_OP_LESS_EQUAL, GDNATIVE_VARIANT_OP_GREATER, GDNATIVE_VARIANT_OP_GREATER_EQUAL, /* mathematic */ GDNATIVE_VARIANT_OP_ADD, GDNATIVE_VARIANT_OP_SUBTRACT, GDNATIVE_VARIANT_OP_MULTIPLY, GDNATIVE_VARIANT_OP_DIVIDE, GDNATIVE_VARIANT_OP_NEGATE, GDNATIVE_VARIANT_OP_POSITIVE, GDNATIVE_VARIANT_OP_MODULE, /* bitwise */ GDNATIVE_VARIANT_OP_SHIFT_LEFT, GDNATIVE_VARIANT_OP_SHIFT_RIGHT, GDNATIVE_VARIANT_OP_BIT_AND, GDNATIVE_VARIANT_OP_BIT_OR, GDNATIVE_VARIANT_OP_BIT_XOR, GDNATIVE_VARIANT_OP_BIT_NEGATE, /* logic */ GDNATIVE_VARIANT_OP_AND, GDNATIVE_VARIANT_OP_OR, GDNATIVE_VARIANT_OP_XOR, GDNATIVE_VARIANT_OP_NOT, /* containment */ GDNATIVE_VARIANT_OP_IN, GDNATIVE_VARIANT_OP_MAX } GDNativeVariantOperator; typedef void *GDNativeVariantPtr; typedef void *GDNativeStringNamePtr; typedef void *GDNativeStringPtr; typedef void *GDNativeObjectPtr; typedef void *GDNativeTypePtr; typedef void *GDNativeMethodBindPtr; typedef int64_t GDNativeInt; typedef uint8_t GDNativeBool; typedef uint64_t GDObjectInstanceID; /* VARIANT DATA I/O */ typedef enum { NATIVE_CALL_OK, NATIVE_CALL_ERROR_INVALID_METHOD, NATIVE_CALL_ERROR_INVALID_ARGUMENT, /* expected is variant type */ NATIVE_CALL_ERROR_TOO_MANY_ARGUMENTS, /* expected is number of arguments */ NATIVE_CALL_ERROR_TOO_FEW_ARGUMENTS, /* expected is number of arguments */ NATIVE_CALL_ERROR_INSTANCE_IS_NULL, } GDNativeCallErrorType; typedef struct { GDNativeCallErrorType error; int32_t argument; int32_t expected; } GDNativeCallError; typedef void (*GDNativeVariantFromTypeConstructorFunc)(GDNativeVariantPtr, GDNativeTypePtr); typedef void (*GDNativeTypeFromVariantConstructorFunc)(GDNativeTypePtr, GDNativeVariantPtr); typedef void (*GDNativePtrOperatorEvaluator)(const GDNativeTypePtr p_left, const GDNativeTypePtr p_right, GDNativeTypePtr r_result); typedef void (*GDNativePtrBuiltInMethod)(GDNativeTypePtr p_base, const GDNativeTypePtr *p_args, GDNativeTypePtr r_return, int p_argument_count); typedef void (*GDNativePtrConstructor)(GDNativeTypePtr p_base, const GDNativeTypePtr *p_args); typedef void (*GDNativePtrDestructor)(GDNativeTypePtr p_base); typedef void (*GDNativePtrSetter)(GDNativeTypePtr p_base, const GDNativeTypePtr p_value); typedef void (*GDNativePtrGetter)(const GDNativeTypePtr p_base, GDNativeTypePtr r_value); typedef void (*GDNativePtrIndexedSetter)(GDNativeTypePtr p_base, GDNativeInt p_index, const GDNativeTypePtr p_value); typedef void (*GDNativePtrIndexedGetter)(const GDNativeTypePtr p_base, GDNativeInt p_index, GDNativeTypePtr r_value); typedef void (*GDNativePtrKeyedSetter)(GDNativeTypePtr p_base, const GDNativeTypePtr p_key, const GDNativeTypePtr p_value); typedef void (*GDNativePtrKeyedGetter)(const GDNativeTypePtr p_base, const GDNativeTypePtr p_key, GDNativeTypePtr r_value); typedef uint32_t (*GDNativePtrKeyedChecker)(const GDNativeVariantPtr p_base, const GDNativeVariantPtr p_key); typedef void (*GDNativePtrUtilityFunction)(GDNativeTypePtr r_return, const GDNativeTypePtr *p_arguments, int p_argument_count); typedef GDNativeObjectPtr (*GDNativeClassConstructor)(); typedef void *(*GDNativeInstanceBindingCreateCallback)(void *p_token, void *p_instance); typedef void (*GDNativeInstanceBindingFreeCallback)(void *p_token, void *p_instance, void *p_binding); typedef GDNativeBool (*GDNativeInstanceBindingReferenceCallback)(void *p_token, void *p_binding, GDNativeBool p_reference); struct GDNativeInstanceBindingCallbacks { GDNativeInstanceBindingCreateCallback create_callback; GDNativeInstanceBindingFreeCallback free_callback; GDNativeInstanceBindingReferenceCallback reference_callback; }; /* EXTENSION CLASSES */ typedef void *GDExtensionClassInstancePtr; typedef GDNativeBool (*GDNativeExtensionClassSet)(GDExtensionClassInstancePtr p_instance, const GDNativeStringNamePtr p_name, const GDNativeVariantPtr p_value); typedef GDNativeBool (*GDNativeExtensionClassGet)(GDExtensionClassInstancePtr p_instance, const GDNativeStringNamePtr p_name, GDNativeVariantPtr r_ret); typedef struct { uint32_t type; const char *name; const char *class_name; uint32_t hint; const char *hint_string; uint32_t usage; } GDNativePropertyInfo; typedef const GDNativePropertyInfo *(*GDNativeExtensionClassGetPropertyList)(GDExtensionClassInstancePtr p_instance, uint32_t *r_count); typedef void (*GDNativeExtensionClassFreePropertyList)(GDExtensionClassInstancePtr p_instance, const GDNativePropertyInfo *p_list); typedef void (*GDNativeExtensionClassNotification)(GDExtensionClassInstancePtr p_instance, int32_t p_what); typedef const char *(*GDNativeExtensionClassToString)(GDExtensionClassInstancePtr p_instance); typedef void (*GDNativeExtensionClassReference)(GDExtensionClassInstancePtr p_instance); typedef void (*GDNativeExtensionClassUnreference)(GDExtensionClassInstancePtr p_instance); typedef void (*GDNativeExtensionClassCallVirtual)(GDExtensionClassInstancePtr p_instance, const GDNativeTypePtr *p_args, GDNativeTypePtr r_ret); typedef GDExtensionClassInstancePtr (*GDNativeExtensionClassCreateInstance)(void *p_userdata); typedef void (*GDNativeExtensionClassFreeInstance)(void *p_userdata, GDExtensionClassInstancePtr p_instance); typedef void (*GDNativeExtensionClassObjectInstance)(GDExtensionClassInstancePtr p_instance, GDNativeObjectPtr p_object_instance); typedef GDNativeExtensionClassCallVirtual (*GDNativeExtensionClassGetVirtual)(void *p_userdata, const char *p_name); typedef struct { GDNativeExtensionClassSet set_func; GDNativeExtensionClassGet get_func; GDNativeExtensionClassGetPropertyList get_property_list_func; GDNativeExtensionClassFreePropertyList free_property_list_func; GDNativeExtensionClassNotification notification_func; GDNativeExtensionClassToString to_string_func; GDNativeExtensionClassReference reference_func; GDNativeExtensionClassUnreference unreference_func; GDNativeExtensionClassCreateInstance create_instance_func; /* this one is mandatory */ GDNativeExtensionClassFreeInstance free_instance_func; /* this one is mandatory */ GDNativeExtensionClassObjectInstance object_instance_func; /* this one is mandatory */ GDNativeExtensionClassGetVirtual get_virtual_func; void *class_userdata; } GDNativeExtensionClassCreationInfo; typedef void *GDNativeExtensionClassLibraryPtr; typedef const GDNativePropertyInfo *(*GDNativeExtensionClassGetPropertyList)(GDExtensionClassInstancePtr p_instance, uint32_t *r_count); /* Method */ typedef enum { GDNATIVE_EXTENSION_METHOD_FLAG_NORMAL = 1, GDNATIVE_EXTENSION_METHOD_FLAG_EDITOR = 2, GDNATIVE_EXTENSION_METHOD_FLAG_NOSCRIPT = 4, GDNATIVE_EXTENSION_METHOD_FLAG_CONST = 8, GDNATIVE_EXTENSION_METHOD_FLAG_REVERSE = 16, /* used for events */ GDNATIVE_EXTENSION_METHOD_FLAG_VIRTUAL = 32, GDNATIVE_EXTENSION_METHOD_FLAG_FROM_SCRIPT = 64, GDNATIVE_EXTENSION_METHOD_FLAG_VARARG = 128, GDNATIVE_EXTENSION_METHOD_FLAG_STATIC = 256, GDNATIVE_EXTENSION_METHOD_FLAGS_DEFAULT = GDNATIVE_EXTENSION_METHOD_FLAG_NORMAL, } GDNativeExtensionClassMethodFlags; typedef enum { GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_NONE, GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_INT8, GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_INT16, GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_INT32, GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_INT64, GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_UINT8, GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_UINT16, GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_UINT32, GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_UINT64, GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_REAL_IS_FLOAT, GDNATIVE_EXTENSION_METHOD_ARGUMENT_METADATA_REAL_IS_DOUBLE } GDNativeExtensionClassMethodArgumentMetadata; typedef void (*GDNativeExtensionClassMethodCall)(void *method_userdata, GDExtensionClassInstancePtr p_instance, const GDNativeVariantPtr *p_args, const GDNativeInt p_argument_count, GDNativeVariantPtr r_return, GDNativeCallError *r_error); typedef void (*GDNativeExtensionClassMethodPtrCall)(void *method_userdata, GDExtensionClassInstancePtr p_instance, const GDNativeTypePtr *p_args, GDNativeTypePtr r_ret); /* passing -1 as argument in the following functions refers to the return type */ typedef GDNativeVariantType (*GDNativeExtensionClassMethodGetArgumentType)(void *p_method_userdata, int32_t p_argument); typedef void (*GDNativeExtensionClassMethodGetArgumentInfo)(void *p_method_userdata, int32_t p_argument, GDNativePropertyInfo *r_info); typedef GDNativeExtensionClassMethodArgumentMetadata (*GDNativeExtensionClassMethodGetArgumentMetadata)(void *p_method_userdata, int32_t p_argument); typedef struct { const char *name; void *method_userdata; GDNativeExtensionClassMethodCall call_func; GDNativeExtensionClassMethodPtrCall ptrcall_func; uint32_t method_flags; /* GDNativeExtensionClassMethodFlags */ uint32_t argument_count; GDNativeBool has_return_value; GDNativeExtensionClassMethodGetArgumentType get_argument_type_func; GDNativeExtensionClassMethodGetArgumentInfo get_argument_info_func; /* name and hint information for the argument can be omitted in release builds. Class name should always be present if it applies. */ GDNativeExtensionClassMethodGetArgumentMetadata get_argument_metadata_func; uint32_t default_argument_count; GDNativeVariantPtr *default_arguments; } GDNativeExtensionClassMethodInfo; /* INTERFACE */ typedef struct { uint32_t version_major; uint32_t version_minor; uint32_t version_patch; const char *version_string; /* GODOT CORE */ void *(*mem_alloc)(size_t p_bytes); void *(*mem_realloc)(void *p_ptr, size_t p_bytes); void (*mem_free)(void *p_ptr); void (*print_error)(const char *p_description, const char *p_function, const char *p_file, int32_t p_line); void (*print_warning)(const char *p_description, const char *p_function, const char *p_file, int32_t p_line); void (*print_script_error)(const char *p_description, const char *p_function, const char *p_file, int32_t p_line); /* GODOT VARIANT */ /* variant general */ void (*variant_new_copy)(GDNativeVariantPtr r_dest, const GDNativeVariantPtr p_src); void (*variant_new_nil)(GDNativeVariantPtr r_dest); void (*variant_destroy)(GDNativeVariantPtr p_self); /* variant type */ void (*variant_call)(GDNativeVariantPtr p_self, const GDNativeStringNamePtr p_method, const GDNativeVariantPtr *p_args, const GDNativeInt p_argument_count, GDNativeVariantPtr r_return, GDNativeCallError *r_error); void (*variant_call_static)(GDNativeVariantType p_type, const GDNativeStringNamePtr p_method, const GDNativeVariantPtr *p_args, const GDNativeInt p_argument_count, GDNativeVariantPtr r_return, GDNativeCallError *r_error); void (*variant_evaluate)(GDNativeVariantOperator p_op, const GDNativeVariantPtr p_a, const GDNativeVariantPtr p_b, GDNativeVariantPtr r_return, GDNativeBool *r_valid); void (*variant_set)(GDNativeVariantPtr p_self, const GDNativeVariantPtr p_key, const GDNativeVariantPtr p_value, GDNativeBool *r_valid); void (*variant_set_named)(GDNativeVariantPtr p_self, const GDNativeStringNamePtr p_key, const GDNativeVariantPtr p_value, GDNativeBool *r_valid); void (*variant_set_keyed)(GDNativeVariantPtr p_self, const GDNativeVariantPtr p_key, const GDNativeVariantPtr p_value, GDNativeBool *r_valid); void (*variant_set_indexed)(GDNativeVariantPtr p_self, GDNativeInt p_index, const GDNativeVariantPtr p_value, GDNativeBool *r_valid, GDNativeBool *r_oob); void (*variant_get)(const GDNativeVariantPtr p_self, const GDNativeVariantPtr p_key, GDNativeVariantPtr r_ret, GDNativeBool *r_valid); void (*variant_get_named)(const GDNativeVariantPtr p_self, const GDNativeStringNamePtr p_key, GDNativeVariantPtr r_ret, GDNativeBool *r_valid); void (*variant_get_keyed)(const GDNativeVariantPtr p_self, const GDNativeVariantPtr p_key, GDNativeVariantPtr r_ret, GDNativeBool *r_valid); void (*variant_get_indexed)(const GDNativeVariantPtr p_self, GDNativeInt p_index, GDNativeVariantPtr r_ret, GDNativeBool *r_valid, GDNativeBool *r_oob); GDNativeBool (*variant_iter_init)(const GDNativeVariantPtr p_self, GDNativeVariantPtr r_iter, GDNativeBool *r_valid); GDNativeBool (*variant_iter_next)(const GDNativeVariantPtr p_self, GDNativeVariantPtr r_iter, GDNativeBool *r_valid); void (*variant_iter_get)(const GDNativeVariantPtr p_self, GDNativeVariantPtr r_iter, GDNativeVariantPtr r_ret, GDNativeBool *r_valid); GDNativeBool (*variant_hash_compare)(const GDNativeVariantPtr p_self, const GDNativeVariantPtr p_other); GDNativeBool (*variant_booleanize)(const GDNativeVariantPtr p_self); void (*variant_blend)(const GDNativeVariantPtr p_a, const GDNativeVariantPtr p_b, float p_c, GDNativeVariantPtr r_dst); void (*variant_interpolate)(const GDNativeVariantPtr p_a, const GDNativeVariantPtr p_b, float p_c, GDNativeVariantPtr r_dst); void (*variant_duplicate)(const GDNativeVariantPtr p_self, GDNativeVariantPtr r_ret, GDNativeBool p_deep); void (*variant_stringify)(const GDNativeVariantPtr p_self, GDNativeStringPtr r_ret); GDNativeVariantType (*variant_get_type)(const GDNativeVariantPtr p_self); GDNativeBool (*variant_has_method)(const GDNativeVariantPtr p_self, const GDNativeStringNamePtr p_method); GDNativeBool (*variant_has_member)(GDNativeVariantType p_type, const GDNativeStringNamePtr p_member); GDNativeBool (*variant_has_key)(const GDNativeVariantPtr p_self, const GDNativeVariantPtr p_key, GDNativeBool *r_valid); void (*variant_get_type_name)(GDNativeVariantType p_type, GDNativeStringPtr r_name); GDNativeBool (*variant_can_convert)(GDNativeVariantType p_from, GDNativeVariantType p_to); GDNativeBool (*variant_can_convert_strict)(GDNativeVariantType p_from, GDNativeVariantType p_to); /* ptrcalls */ GDNativeVariantFromTypeConstructorFunc (*get_variant_from_type_constructor)(GDNativeVariantType p_type); GDNativeTypeFromVariantConstructorFunc (*get_variant_to_type_constructor)(GDNativeVariantType p_type); GDNativePtrOperatorEvaluator (*variant_get_ptr_operator_evaluator)(GDNativeVariantOperator p_operator, GDNativeVariantType p_type_a, GDNativeVariantType p_type_b); GDNativePtrBuiltInMethod (*variant_get_ptr_builtin_method)(GDNativeVariantType p_type, const char *p_method, GDNativeInt p_hash); GDNativePtrConstructor (*variant_get_ptr_constructor)(GDNativeVariantType p_type, int32_t p_constructor); GDNativePtrDestructor (*variant_get_ptr_destructor)(GDNativeVariantType p_type); void (*variant_construct)(GDNativeVariantType p_type, GDNativeVariantPtr p_base, const GDNativeVariantPtr *p_args, int32_t p_argument_count, GDNativeCallError *r_error); GDNativePtrSetter (*variant_get_ptr_setter)(GDNativeVariantType p_type, const char *p_member); GDNativePtrGetter (*variant_get_ptr_getter)(GDNativeVariantType p_type, const char *p_member); GDNativePtrIndexedSetter (*variant_get_ptr_indexed_setter)(GDNativeVariantType p_type); GDNativePtrIndexedGetter (*variant_get_ptr_indexed_getter)(GDNativeVariantType p_type); GDNativePtrKeyedSetter (*variant_get_ptr_keyed_setter)(GDNativeVariantType p_type); GDNativePtrKeyedGetter (*variant_get_ptr_keyed_getter)(GDNativeVariantType p_type); GDNativePtrKeyedChecker (*variant_get_ptr_keyed_checker)(GDNativeVariantType p_type); void (*variant_get_constant_value)(GDNativeVariantType p_type, const char *p_constant, GDNativeVariantPtr r_ret); GDNativePtrUtilityFunction (*variant_get_ptr_utility_function)(const char *p_function, GDNativeInt p_hash); /* extra utilities */ void (*string_new_with_latin1_chars)(GDNativeStringPtr r_dest, const char *p_contents); void (*string_new_with_utf8_chars)(GDNativeStringPtr r_dest, const char *p_contents); void (*string_new_with_utf16_chars)(GDNativeStringPtr r_dest, const char16_t *p_contents); void (*string_new_with_utf32_chars)(GDNativeStringPtr r_dest, const char32_t *p_contents); void (*string_new_with_wide_chars)(GDNativeStringPtr r_dest, const wchar_t *p_contents); void (*string_new_with_latin1_chars_and_len)(GDNativeStringPtr r_dest, const char *p_contents, const GDNativeInt p_size); void (*string_new_with_utf8_chars_and_len)(GDNativeStringPtr r_dest, const char *p_contents, const GDNativeInt p_size); void (*string_new_with_utf16_chars_and_len)(GDNativeStringPtr r_dest, const char16_t *p_contents, const GDNativeInt p_size); void (*string_new_with_utf32_chars_and_len)(GDNativeStringPtr r_dest, const char32_t *p_contents, const GDNativeInt p_size); void (*string_new_with_wide_chars_and_len)(GDNativeStringPtr r_dest, const wchar_t *p_contents, const GDNativeInt p_size); /* Information about the following functions: * - The return value is the resulting encoded string length. * - The length returned is in characters, not in bytes. It also does not include a trailing zero. * - These functions also do not write trailing zero, If you need it, write it yourself at the position indicated by the length (and make sure to allocate it). * - Passing NULL in r_text means only the length is computed (again, without including trailing zero). * - p_max_write_length argument is in characters, not bytes. It will be ignored if r_text is NULL. * - p_max_write_length argument does not affect the return value, it's only to cap write length. */ GDNativeInt (*string_to_latin1_chars)(const GDNativeStringPtr p_self, char *r_text, GDNativeInt p_max_write_length); GDNativeInt (*string_to_utf8_chars)(const GDNativeStringPtr p_self, char *r_text, GDNativeInt p_max_write_length); GDNativeInt (*string_to_utf16_chars)(const GDNativeStringPtr p_self, char16_t *r_text, GDNativeInt p_max_write_length); GDNativeInt (*string_to_utf32_chars)(const GDNativeStringPtr p_self, char32_t *r_text, GDNativeInt p_max_write_length); GDNativeInt (*string_to_wide_chars)(const GDNativeStringPtr p_self, wchar_t *r_text, GDNativeInt p_max_write_length); char32_t *(*string_operator_index)(GDNativeStringPtr p_self, GDNativeInt p_index); const char32_t *(*string_operator_index_const)(const GDNativeStringPtr p_self, GDNativeInt p_index); /* OBJECT */ void (*object_method_bind_ptrcall)(GDNativeMethodBindPtr p_method_bind, GDNativeObjectPtr p_instance, const GDNativeTypePtr *p_args, GDNativeTypePtr r_ret); void (*object_destroy)(GDNativeObjectPtr p_o); GDNativeObjectPtr (*global_get_singleton)(const char *p_name); void *(*object_get_instance_binding)(GDNativeObjectPtr p_o, void *p_token, const GDNativeInstanceBindingCallbacks *p_callbacks); void (*object_set_instance_binding)(GDNativeObjectPtr p_o, void *p_token, void *p_binding, const GDNativeInstanceBindingCallbacks *p_callbacks); GDNativeObjectPtr (*object_cast_to)(const GDNativeObjectPtr p_object, void *p_class_tag); GDNativeObjectPtr (*object_get_instance_from_id)(GDObjectInstanceID p_instance_id); GDObjectInstanceID (*object_get_instance_id)(const GDNativeObjectPtr p_object); /* CLASSDB */ GDNativeClassConstructor (*classdb_get_constructor)(const char *p_classname); GDNativeMethodBindPtr (*classdb_get_method_bind)(const char *p_classname, const char *p_methodname, GDNativeInt p_hash); void *(*classdb_get_class_tag)(const char *p_classname); /* CLASSDB EXTENSION */ void (*classdb_register_extension_class)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_parent_class_name, const GDNativeExtensionClassCreationInfo *p_extension_funcs); void (*classdb_register_extension_class_method)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const GDNativeExtensionClassMethodInfo *p_method_info); void (*classdb_register_extension_class_integer_constant)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_enum_name, const char *p_class_name, const char *p_constant_name, uint32_t p_constant_value); void (*classdb_register_extension_class_property)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const GDNativePropertyInfo *p_info, const char *p_setter, const char *p_getter); void (*classdb_register_extension_class_signal)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_signal_name, const GDNativePropertyInfo *p_argument_info, GDNativeInt p_argument_count); void (*classdb_unregister_extension_class)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name); /* Unregistering a parent class before a class that inherits it will result in failure. Inheritors must be unregistered first. */ } GDNativeInterface; /* INITIALIZATION */ typedef enum { GDNATIVE_INITIALIZATION_CORE, GDNATIVE_INITIALIZATION_SERVERS, GDNATIVE_INITIALIZATION_SCENE, GDNATIVE_INITIALIZATION_EDITOR, } GDNativeInitializationLevel; typedef struct { /* Minimum initialization level required. * If Core or Servers, the extension needs editor or game restart to take effect */ GDNativeInitializationLevel minimum_initialization_level; /* Up to the user to supply when initializing */ void *userdata; /* This function will be called multiple times for each initialization level. */ void (*initialize)(void *userdata, GDNativeInitializationLevel p_level); void (*deinitialize)(void *userdata, GDNativeInitializationLevel p_level); } GDNativeInitialization; /* Define a C function prototype that implements the function below and expose it to dlopen() (or similar). * It will be called on initialization. The name must be an unique one specified in the .gdextension config file. */ typedef GDNativeBool (*GDNativeInitializationFunction)(const GDNativeInterface *p_interface, const GDNativeExtensionClassLibraryPtr p_library, GDNativeInitialization *r_initialization); #ifdef __cplusplus } #endif #endif