/**************************************************************************/ /* gdextension_interface.h */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* 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 GDEXTENSION_INTERFACE_H #define GDEXTENSION_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 { GDEXTENSION_VARIANT_TYPE_NIL, /* atomic types */ GDEXTENSION_VARIANT_TYPE_BOOL, GDEXTENSION_VARIANT_TYPE_INT, GDEXTENSION_VARIANT_TYPE_FLOAT, GDEXTENSION_VARIANT_TYPE_STRING, /* math types */ GDEXTENSION_VARIANT_TYPE_VECTOR2, GDEXTENSION_VARIANT_TYPE_VECTOR2I, GDEXTENSION_VARIANT_TYPE_RECT2, GDEXTENSION_VARIANT_TYPE_RECT2I, GDEXTENSION_VARIANT_TYPE_VECTOR3, GDEXTENSION_VARIANT_TYPE_VECTOR3I, GDEXTENSION_VARIANT_TYPE_TRANSFORM2D, GDEXTENSION_VARIANT_TYPE_VECTOR4, GDEXTENSION_VARIANT_TYPE_VECTOR4I, GDEXTENSION_VARIANT_TYPE_PLANE, GDEXTENSION_VARIANT_TYPE_QUATERNION, GDEXTENSION_VARIANT_TYPE_AABB, GDEXTENSION_VARIANT_TYPE_BASIS, GDEXTENSION_VARIANT_TYPE_TRANSFORM3D, GDEXTENSION_VARIANT_TYPE_PROJECTION, /* misc types */ GDEXTENSION_VARIANT_TYPE_COLOR, GDEXTENSION_VARIANT_TYPE_STRING_NAME, GDEXTENSION_VARIANT_TYPE_NODE_PATH, GDEXTENSION_VARIANT_TYPE_RID, GDEXTENSION_VARIANT_TYPE_OBJECT, GDEXTENSION_VARIANT_TYPE_CALLABLE, GDEXTENSION_VARIANT_TYPE_SIGNAL, GDEXTENSION_VARIANT_TYPE_DICTIONARY, GDEXTENSION_VARIANT_TYPE_ARRAY, /* typed arrays */ GDEXTENSION_VARIANT_TYPE_PACKED_BYTE_ARRAY, GDEXTENSION_VARIANT_TYPE_PACKED_INT32_ARRAY, GDEXTENSION_VARIANT_TYPE_PACKED_INT64_ARRAY, GDEXTENSION_VARIANT_TYPE_PACKED_FLOAT32_ARRAY, GDEXTENSION_VARIANT_TYPE_PACKED_FLOAT64_ARRAY, GDEXTENSION_VARIANT_TYPE_PACKED_STRING_ARRAY, GDEXTENSION_VARIANT_TYPE_PACKED_VECTOR2_ARRAY, GDEXTENSION_VARIANT_TYPE_PACKED_VECTOR3_ARRAY, GDEXTENSION_VARIANT_TYPE_PACKED_COLOR_ARRAY, GDEXTENSION_VARIANT_TYPE_VARIANT_MAX } GDExtensionVariantType; typedef enum { /* comparison */ GDEXTENSION_VARIANT_OP_EQUAL, GDEXTENSION_VARIANT_OP_NOT_EQUAL, GDEXTENSION_VARIANT_OP_LESS, GDEXTENSION_VARIANT_OP_LESS_EQUAL, GDEXTENSION_VARIANT_OP_GREATER, GDEXTENSION_VARIANT_OP_GREATER_EQUAL, /* mathematic */ GDEXTENSION_VARIANT_OP_ADD, GDEXTENSION_VARIANT_OP_SUBTRACT, GDEXTENSION_VARIANT_OP_MULTIPLY, GDEXTENSION_VARIANT_OP_DIVIDE, GDEXTENSION_VARIANT_OP_NEGATE, GDEXTENSION_VARIANT_OP_POSITIVE, GDEXTENSION_VARIANT_OP_MODULE, GDEXTENSION_VARIANT_OP_POWER, /* bitwise */ GDEXTENSION_VARIANT_OP_SHIFT_LEFT, GDEXTENSION_VARIANT_OP_SHIFT_RIGHT, GDEXTENSION_VARIANT_OP_BIT_AND, GDEXTENSION_VARIANT_OP_BIT_OR, GDEXTENSION_VARIANT_OP_BIT_XOR, GDEXTENSION_VARIANT_OP_BIT_NEGATE, /* logic */ GDEXTENSION_VARIANT_OP_AND, GDEXTENSION_VARIANT_OP_OR, GDEXTENSION_VARIANT_OP_XOR, GDEXTENSION_VARIANT_OP_NOT, /* containment */ GDEXTENSION_VARIANT_OP_IN, GDEXTENSION_VARIANT_OP_MAX } GDExtensionVariantOperator; typedef void *GDExtensionVariantPtr; typedef const void *GDExtensionConstVariantPtr; typedef void *GDExtensionStringNamePtr; typedef const void *GDExtensionConstStringNamePtr; typedef void *GDExtensionStringPtr; typedef const void *GDExtensionConstStringPtr; typedef void *GDExtensionObjectPtr; typedef const void *GDExtensionConstObjectPtr; typedef void *GDExtensionTypePtr; typedef const void *GDExtensionConstTypePtr; typedef const void *GDExtensionMethodBindPtr; typedef int64_t GDExtensionInt; typedef uint8_t GDExtensionBool; typedef uint64_t GDObjectInstanceID; typedef void *GDExtensionRefPtr; typedef const void *GDExtensionConstRefPtr; /* VARIANT DATA I/O */ typedef enum { GDEXTENSION_CALL_OK, GDEXTENSION_CALL_ERROR_INVALID_METHOD, GDEXTENSION_CALL_ERROR_INVALID_ARGUMENT, // Expected a different variant type. GDEXTENSION_CALL_ERROR_TOO_MANY_ARGUMENTS, // Expected lower number of arguments. GDEXTENSION_CALL_ERROR_TOO_FEW_ARGUMENTS, // Expected higher number of arguments. GDEXTENSION_CALL_ERROR_INSTANCE_IS_NULL, GDEXTENSION_CALL_ERROR_METHOD_NOT_CONST, // Used for const call. } GDExtensionCallErrorType; typedef struct { GDExtensionCallErrorType error; int32_t argument; int32_t expected; } GDExtensionCallError; typedef void (*GDExtensionVariantFromTypeConstructorFunc)(GDExtensionVariantPtr, GDExtensionTypePtr); typedef void (*GDExtensionTypeFromVariantConstructorFunc)(GDExtensionTypePtr, GDExtensionVariantPtr); typedef void (*GDExtensionPtrOperatorEvaluator)(GDExtensionConstTypePtr p_left, GDExtensionConstTypePtr p_right, GDExtensionTypePtr r_result); typedef void (*GDExtensionPtrBuiltInMethod)(GDExtensionTypePtr p_base, const GDExtensionConstTypePtr *p_args, GDExtensionTypePtr r_return, int p_argument_count); typedef void (*GDExtensionPtrConstructor)(GDExtensionTypePtr p_base, const GDExtensionConstTypePtr *p_args); typedef void (*GDExtensionPtrDestructor)(GDExtensionTypePtr p_base); typedef void (*GDExtensionPtrSetter)(GDExtensionTypePtr p_base, GDExtensionConstTypePtr p_value); typedef void (*GDExtensionPtrGetter)(GDExtensionConstTypePtr p_base, GDExtensionTypePtr r_value); typedef void (*GDExtensionPtrIndexedSetter)(GDExtensionTypePtr p_base, GDExtensionInt p_index, GDExtensionConstTypePtr p_value); typedef void (*GDExtensionPtrIndexedGetter)(GDExtensionConstTypePtr p_base, GDExtensionInt p_index, GDExtensionTypePtr r_value); typedef void (*GDExtensionPtrKeyedSetter)(GDExtensionTypePtr p_base, GDExtensionConstTypePtr p_key, GDExtensionConstTypePtr p_value); typedef void (*GDExtensionPtrKeyedGetter)(GDExtensionConstTypePtr p_base, GDExtensionConstTypePtr p_key, GDExtensionTypePtr r_value); typedef uint32_t (*GDExtensionPtrKeyedChecker)(GDExtensionConstVariantPtr p_base, GDExtensionConstVariantPtr p_key); typedef void (*GDExtensionPtrUtilityFunction)(GDExtensionTypePtr r_return, const GDExtensionConstTypePtr *p_args, int p_argument_count); typedef GDExtensionObjectPtr (*GDExtensionClassConstructor)(); typedef void *(*GDExtensionInstanceBindingCreateCallback)(void *p_token, void *p_instance); typedef void (*GDExtensionInstanceBindingFreeCallback)(void *p_token, void *p_instance, void *p_binding); typedef GDExtensionBool (*GDExtensionInstanceBindingReferenceCallback)(void *p_token, void *p_binding, GDExtensionBool p_reference); typedef struct { GDExtensionInstanceBindingCreateCallback create_callback; GDExtensionInstanceBindingFreeCallback free_callback; GDExtensionInstanceBindingReferenceCallback reference_callback; } GDExtensionInstanceBindingCallbacks; /* EXTENSION CLASSES */ typedef void *GDExtensionClassInstancePtr; typedef GDExtensionBool (*GDExtensionClassSet)(GDExtensionClassInstancePtr p_instance, GDExtensionConstStringNamePtr p_name, GDExtensionConstVariantPtr p_value); typedef GDExtensionBool (*GDExtensionClassGet)(GDExtensionClassInstancePtr p_instance, GDExtensionConstStringNamePtr p_name, GDExtensionVariantPtr r_ret); typedef uint64_t (*GDExtensionClassGetRID)(GDExtensionClassInstancePtr p_instance); typedef struct { GDExtensionVariantType type; GDExtensionStringNamePtr name; GDExtensionStringNamePtr class_name; uint32_t hint; // Bitfield of `PropertyHint` (defined in `extension_api.json`). GDExtensionStringPtr hint_string; uint32_t usage; // Bitfield of `PropertyUsageFlags` (defined in `extension_api.json`). } GDExtensionPropertyInfo; typedef struct { GDExtensionStringNamePtr name; GDExtensionPropertyInfo return_value; uint32_t flags; // Bitfield of `GDExtensionClassMethodFlags`. int32_t id; /* Arguments: `default_arguments` is an array of size `argument_count`. */ uint32_t argument_count; GDExtensionPropertyInfo *arguments; /* Default arguments: `default_arguments` is an array of size `default_argument_count`. */ uint32_t default_argument_count; GDExtensionVariantPtr *default_arguments; } GDExtensionMethodInfo; typedef const GDExtensionPropertyInfo *(*GDExtensionClassGetPropertyList)(GDExtensionClassInstancePtr p_instance, uint32_t *r_count); typedef void (*GDExtensionClassFreePropertyList)(GDExtensionClassInstancePtr p_instance, const GDExtensionPropertyInfo *p_list); typedef GDExtensionBool (*GDExtensionClassPropertyCanRevert)(GDExtensionClassInstancePtr p_instance, GDExtensionConstStringNamePtr p_name); typedef GDExtensionBool (*GDExtensionClassPropertyGetRevert)(GDExtensionClassInstancePtr p_instance, GDExtensionConstStringNamePtr p_name, GDExtensionVariantPtr r_ret); typedef void (*GDExtensionClassNotification)(GDExtensionClassInstancePtr p_instance, int32_t p_what); typedef void (*GDExtensionClassToString)(GDExtensionClassInstancePtr p_instance, GDExtensionBool *r_is_valid, GDExtensionStringPtr p_out); typedef void (*GDExtensionClassReference)(GDExtensionClassInstancePtr p_instance); typedef void (*GDExtensionClassUnreference)(GDExtensionClassInstancePtr p_instance); typedef void (*GDExtensionClassCallVirtual)(GDExtensionClassInstancePtr p_instance, const GDExtensionConstTypePtr *p_args, GDExtensionTypePtr r_ret); typedef GDExtensionObjectPtr (*GDExtensionClassCreateInstance)(void *p_userdata); typedef void (*GDExtensionClassFreeInstance)(void *p_userdata, GDExtensionClassInstancePtr p_instance); typedef GDExtensionClassCallVirtual (*GDExtensionClassGetVirtual)(void *p_userdata, GDExtensionConstStringNamePtr p_name); typedef struct { GDExtensionBool is_virtual; GDExtensionBool is_abstract; GDExtensionClassSet set_func; GDExtensionClassGet get_func; GDExtensionClassGetPropertyList get_property_list_func; GDExtensionClassFreePropertyList free_property_list_func; GDExtensionClassPropertyCanRevert property_can_revert_func; GDExtensionClassPropertyGetRevert property_get_revert_func; GDExtensionClassNotification notification_func; GDExtensionClassToString to_string_func; GDExtensionClassReference reference_func; GDExtensionClassUnreference unreference_func; GDExtensionClassCreateInstance create_instance_func; // (Default) constructor; mandatory. If the class is not instantiable, consider making it virtual or abstract. GDExtensionClassFreeInstance free_instance_func; // Destructor; mandatory. GDExtensionClassGetVirtual get_virtual_func; // Queries a virtual function by name and returns a callback to invoke the requested virtual function. GDExtensionClassGetRID get_rid_func; void *class_userdata; // Per-class user data, later accessible in instance bindings. } GDExtensionClassCreationInfo; typedef void *GDExtensionClassLibraryPtr; /* Method */ typedef enum { GDEXTENSION_METHOD_FLAG_NORMAL = 1, GDEXTENSION_METHOD_FLAG_EDITOR = 2, GDEXTENSION_METHOD_FLAG_CONST = 4, GDEXTENSION_METHOD_FLAG_VIRTUAL = 8, GDEXTENSION_METHOD_FLAG_VARARG = 16, GDEXTENSION_METHOD_FLAG_STATIC = 32, GDEXTENSION_METHOD_FLAGS_DEFAULT = GDEXTENSION_METHOD_FLAG_NORMAL, } GDExtensionClassMethodFlags; typedef enum { GDEXTENSION_METHOD_ARGUMENT_METADATA_NONE, GDEXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_INT8, GDEXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_INT16, GDEXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_INT32, GDEXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_INT64, GDEXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_UINT8, GDEXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_UINT16, GDEXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_UINT32, GDEXTENSION_METHOD_ARGUMENT_METADATA_INT_IS_UINT64, GDEXTENSION_METHOD_ARGUMENT_METADATA_REAL_IS_FLOAT, GDEXTENSION_METHOD_ARGUMENT_METADATA_REAL_IS_DOUBLE } GDExtensionClassMethodArgumentMetadata; typedef void (*GDExtensionClassMethodCall)(void *method_userdata, GDExtensionClassInstancePtr p_instance, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_argument_count, GDExtensionVariantPtr r_return, GDExtensionCallError *r_error); typedef void (*GDExtensionClassMethodPtrCall)(void *method_userdata, GDExtensionClassInstancePtr p_instance, const GDExtensionConstTypePtr *p_args, GDExtensionTypePtr r_ret); typedef struct { GDExtensionStringNamePtr name; void *method_userdata; GDExtensionClassMethodCall call_func; GDExtensionClassMethodPtrCall ptrcall_func; uint32_t method_flags; // Bitfield of `GDExtensionClassMethodFlags`. /* If `has_return_value` is false, `return_value_info` and `return_value_metadata` are ignored. */ GDExtensionBool has_return_value; GDExtensionPropertyInfo *return_value_info; GDExtensionClassMethodArgumentMetadata return_value_metadata; /* Arguments: `arguments_info` and `arguments_metadata` are array of size `argument_count`. * Name and hint information for the argument can be omitted in release builds. Class name should always be present if it applies. */ uint32_t argument_count; GDExtensionPropertyInfo *arguments_info; GDExtensionClassMethodArgumentMetadata *arguments_metadata; /* Default arguments: `default_arguments` is an array of size `default_argument_count`. */ uint32_t default_argument_count; GDExtensionVariantPtr *default_arguments; } GDExtensionClassMethodInfo; /* SCRIPT INSTANCE EXTENSION */ typedef void *GDExtensionScriptInstanceDataPtr; // Pointer to custom ScriptInstance native implementation. typedef GDExtensionBool (*GDExtensionScriptInstanceSet)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionConstStringNamePtr p_name, GDExtensionConstVariantPtr p_value); typedef GDExtensionBool (*GDExtensionScriptInstanceGet)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionConstStringNamePtr p_name, GDExtensionVariantPtr r_ret); typedef const GDExtensionPropertyInfo *(*GDExtensionScriptInstanceGetPropertyList)(GDExtensionScriptInstanceDataPtr p_instance, uint32_t *r_count); typedef void (*GDExtensionScriptInstanceFreePropertyList)(GDExtensionScriptInstanceDataPtr p_instance, const GDExtensionPropertyInfo *p_list); typedef GDExtensionVariantType (*GDExtensionScriptInstanceGetPropertyType)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionConstStringNamePtr p_name, GDExtensionBool *r_is_valid); typedef GDExtensionBool (*GDExtensionScriptInstancePropertyCanRevert)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionConstStringNamePtr p_name); typedef GDExtensionBool (*GDExtensionScriptInstancePropertyGetRevert)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionConstStringNamePtr p_name, GDExtensionVariantPtr r_ret); typedef GDExtensionObjectPtr (*GDExtensionScriptInstanceGetOwner)(GDExtensionScriptInstanceDataPtr p_instance); typedef void (*GDExtensionScriptInstancePropertyStateAdd)(GDExtensionConstStringNamePtr p_name, GDExtensionConstVariantPtr p_value, void *p_userdata); typedef void (*GDExtensionScriptInstanceGetPropertyState)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionScriptInstancePropertyStateAdd p_add_func, void *p_userdata); typedef const GDExtensionMethodInfo *(*GDExtensionScriptInstanceGetMethodList)(GDExtensionScriptInstanceDataPtr p_instance, uint32_t *r_count); typedef void (*GDExtensionScriptInstanceFreeMethodList)(GDExtensionScriptInstanceDataPtr p_instance, const GDExtensionMethodInfo *p_list); typedef GDExtensionBool (*GDExtensionScriptInstanceHasMethod)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionConstStringNamePtr p_name); typedef void (*GDExtensionScriptInstanceCall)(GDExtensionScriptInstanceDataPtr p_self, GDExtensionConstStringNamePtr p_method, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_argument_count, GDExtensionVariantPtr r_return, GDExtensionCallError *r_error); typedef void (*GDExtensionScriptInstanceNotification)(GDExtensionScriptInstanceDataPtr p_instance, int32_t p_what); typedef void (*GDExtensionScriptInstanceToString)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionBool *r_is_valid, GDExtensionStringPtr r_out); typedef void (*GDExtensionScriptInstanceRefCountIncremented)(GDExtensionScriptInstanceDataPtr p_instance); typedef GDExtensionBool (*GDExtensionScriptInstanceRefCountDecremented)(GDExtensionScriptInstanceDataPtr p_instance); typedef GDExtensionObjectPtr (*GDExtensionScriptInstanceGetScript)(GDExtensionScriptInstanceDataPtr p_instance); typedef GDExtensionBool (*GDExtensionScriptInstanceIsPlaceholder)(GDExtensionScriptInstanceDataPtr p_instance); typedef void *GDExtensionScriptLanguagePtr; typedef GDExtensionScriptLanguagePtr (*GDExtensionScriptInstanceGetLanguage)(GDExtensionScriptInstanceDataPtr p_instance); typedef void (*GDExtensionScriptInstanceFree)(GDExtensionScriptInstanceDataPtr p_instance); typedef void *GDExtensionScriptInstancePtr; // Pointer to ScriptInstance. typedef struct { GDExtensionScriptInstanceSet set_func; GDExtensionScriptInstanceGet get_func; GDExtensionScriptInstanceGetPropertyList get_property_list_func; GDExtensionScriptInstanceFreePropertyList free_property_list_func; GDExtensionScriptInstancePropertyCanRevert property_can_revert_func; GDExtensionScriptInstancePropertyGetRevert property_get_revert_func; GDExtensionScriptInstanceGetOwner get_owner_func; GDExtensionScriptInstanceGetPropertyState get_property_state_func; GDExtensionScriptInstanceGetMethodList get_method_list_func; GDExtensionScriptInstanceFreeMethodList free_method_list_func; GDExtensionScriptInstanceGetPropertyType get_property_type_func; GDExtensionScriptInstanceHasMethod has_method_func; GDExtensionScriptInstanceCall call_func; GDExtensionScriptInstanceNotification notification_func; GDExtensionScriptInstanceToString to_string_func; GDExtensionScriptInstanceRefCountIncremented refcount_incremented_func; GDExtensionScriptInstanceRefCountDecremented refcount_decremented_func; GDExtensionScriptInstanceGetScript get_script_func; GDExtensionScriptInstanceIsPlaceholder is_placeholder_func; GDExtensionScriptInstanceSet set_fallback_func; GDExtensionScriptInstanceGet get_fallback_func; GDExtensionScriptInstanceGetLanguage get_language_func; GDExtensionScriptInstanceFree free_func; } GDExtensionScriptInstanceInfo; /* 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); uint64_t (*get_native_struct_size)(GDExtensionConstStringNamePtr p_name); /* GODOT VARIANT */ /* variant general */ void (*variant_new_copy)(GDExtensionVariantPtr r_dest, GDExtensionConstVariantPtr p_src); void (*variant_new_nil)(GDExtensionVariantPtr r_dest); void (*variant_destroy)(GDExtensionVariantPtr p_self); /* variant type */ void (*variant_call)(GDExtensionVariantPtr p_self, GDExtensionConstStringNamePtr p_method, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_argument_count, GDExtensionVariantPtr r_return, GDExtensionCallError *r_error); void (*variant_call_static)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_method, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_argument_count, GDExtensionVariantPtr r_return, GDExtensionCallError *r_error); void (*variant_evaluate)(GDExtensionVariantOperator p_op, GDExtensionConstVariantPtr p_a, GDExtensionConstVariantPtr p_b, GDExtensionVariantPtr r_return, GDExtensionBool *r_valid); void (*variant_set)(GDExtensionVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionConstVariantPtr p_value, GDExtensionBool *r_valid); void (*variant_set_named)(GDExtensionVariantPtr p_self, GDExtensionConstStringNamePtr p_key, GDExtensionConstVariantPtr p_value, GDExtensionBool *r_valid); void (*variant_set_keyed)(GDExtensionVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionConstVariantPtr p_value, GDExtensionBool *r_valid); void (*variant_set_indexed)(GDExtensionVariantPtr p_self, GDExtensionInt p_index, GDExtensionConstVariantPtr p_value, GDExtensionBool *r_valid, GDExtensionBool *r_oob); void (*variant_get)(GDExtensionConstVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionVariantPtr r_ret, GDExtensionBool *r_valid); void (*variant_get_named)(GDExtensionConstVariantPtr p_self, GDExtensionConstStringNamePtr p_key, GDExtensionVariantPtr r_ret, GDExtensionBool *r_valid); void (*variant_get_keyed)(GDExtensionConstVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionVariantPtr r_ret, GDExtensionBool *r_valid); void (*variant_get_indexed)(GDExtensionConstVariantPtr p_self, GDExtensionInt p_index, GDExtensionVariantPtr r_ret, GDExtensionBool *r_valid, GDExtensionBool *r_oob); GDExtensionBool (*variant_iter_init)(GDExtensionConstVariantPtr p_self, GDExtensionVariantPtr r_iter, GDExtensionBool *r_valid); GDExtensionBool (*variant_iter_next)(GDExtensionConstVariantPtr p_self, GDExtensionVariantPtr r_iter, GDExtensionBool *r_valid); void (*variant_iter_get)(GDExtensionConstVariantPtr p_self, GDExtensionVariantPtr r_iter, GDExtensionVariantPtr r_ret, GDExtensionBool *r_valid); GDExtensionInt (*variant_hash)(GDExtensionConstVariantPtr p_self); GDExtensionInt (*variant_recursive_hash)(GDExtensionConstVariantPtr p_self, GDExtensionInt p_recursion_count); GDExtensionBool (*variant_hash_compare)(GDExtensionConstVariantPtr p_self, GDExtensionConstVariantPtr p_other); GDExtensionBool (*variant_booleanize)(GDExtensionConstVariantPtr p_self); void (*variant_duplicate)(GDExtensionConstVariantPtr p_self, GDExtensionVariantPtr r_ret, GDExtensionBool p_deep); void (*variant_stringify)(GDExtensionConstVariantPtr p_self, GDExtensionStringPtr r_ret); GDExtensionVariantType (*variant_get_type)(GDExtensionConstVariantPtr p_self); GDExtensionBool (*variant_has_method)(GDExtensionConstVariantPtr p_self, GDExtensionConstStringNamePtr p_method); GDExtensionBool (*variant_has_member)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_member); GDExtensionBool (*variant_has_key)(GDExtensionConstVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionBool *r_valid); void (*variant_get_type_name)(GDExtensionVariantType p_type, GDExtensionStringPtr r_name); GDExtensionBool (*variant_can_convert)(GDExtensionVariantType p_from, GDExtensionVariantType p_to); GDExtensionBool (*variant_can_convert_strict)(GDExtensionVariantType p_from, GDExtensionVariantType p_to); /* ptrcalls */ GDExtensionVariantFromTypeConstructorFunc (*get_variant_from_type_constructor)(GDExtensionVariantType p_type); GDExtensionTypeFromVariantConstructorFunc (*get_variant_to_type_constructor)(GDExtensionVariantType p_type); GDExtensionPtrOperatorEvaluator (*variant_get_ptr_operator_evaluator)(GDExtensionVariantOperator p_operator, GDExtensionVariantType p_type_a, GDExtensionVariantType p_type_b); GDExtensionPtrBuiltInMethod (*variant_get_ptr_builtin_method)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_method, GDExtensionInt p_hash); GDExtensionPtrConstructor (*variant_get_ptr_constructor)(GDExtensionVariantType p_type, int32_t p_constructor); GDExtensionPtrDestructor (*variant_get_ptr_destructor)(GDExtensionVariantType p_type); void (*variant_construct)(GDExtensionVariantType p_type, GDExtensionVariantPtr p_base, const GDExtensionConstVariantPtr *p_args, int32_t p_argument_count, GDExtensionCallError *r_error); GDExtensionPtrSetter (*variant_get_ptr_setter)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_member); GDExtensionPtrGetter (*variant_get_ptr_getter)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_member); GDExtensionPtrIndexedSetter (*variant_get_ptr_indexed_setter)(GDExtensionVariantType p_type); GDExtensionPtrIndexedGetter (*variant_get_ptr_indexed_getter)(GDExtensionVariantType p_type); GDExtensionPtrKeyedSetter (*variant_get_ptr_keyed_setter)(GDExtensionVariantType p_type); GDExtensionPtrKeyedGetter (*variant_get_ptr_keyed_getter)(GDExtensionVariantType p_type); GDExtensionPtrKeyedChecker (*variant_get_ptr_keyed_checker)(GDExtensionVariantType p_type); void (*variant_get_constant_value)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_constant, GDExtensionVariantPtr r_ret); GDExtensionPtrUtilityFunction (*variant_get_ptr_utility_function)(GDExtensionConstStringNamePtr p_function, GDExtensionInt p_hash); /* extra utilities */ void (*string_new_with_latin1_chars)(GDExtensionStringPtr r_dest, const char *p_contents); void (*string_new_with_utf8_chars)(GDExtensionStringPtr r_dest, const char *p_contents); void (*string_new_with_utf16_chars)(GDExtensionStringPtr r_dest, const char16_t *p_contents); void (*string_new_with_utf32_chars)(GDExtensionStringPtr r_dest, const char32_t *p_contents); void (*string_new_with_wide_chars)(GDExtensionStringPtr r_dest, const wchar_t *p_contents); void (*string_new_with_latin1_chars_and_len)(GDExtensionStringPtr r_dest, const char *p_contents, GDExtensionInt p_size); void (*string_new_with_utf8_chars_and_len)(GDExtensionStringPtr r_dest, const char *p_contents, GDExtensionInt p_size); void (*string_new_with_utf16_chars_and_len)(GDExtensionStringPtr r_dest, const char16_t *p_contents, GDExtensionInt p_size); void (*string_new_with_utf32_chars_and_len)(GDExtensionStringPtr r_dest, const char32_t *p_contents, GDExtensionInt p_size); void (*string_new_with_wide_chars_and_len)(GDExtensionStringPtr r_dest, const wchar_t *p_contents, GDExtensionInt 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. */ GDExtensionInt (*string_to_latin1_chars)(GDExtensionConstStringPtr p_self, char *r_text, GDExtensionInt p_max_write_length); GDExtensionInt (*string_to_utf8_chars)(GDExtensionConstStringPtr p_self, char *r_text, GDExtensionInt p_max_write_length); GDExtensionInt (*string_to_utf16_chars)(GDExtensionConstStringPtr p_self, char16_t *r_text, GDExtensionInt p_max_write_length); GDExtensionInt (*string_to_utf32_chars)(GDExtensionConstStringPtr p_self, char32_t *r_text, GDExtensionInt p_max_write_length); GDExtensionInt (*string_to_wide_chars)(GDExtensionConstStringPtr p_self, wchar_t *r_text, GDExtensionInt p_max_write_length); char32_t *(*string_operator_index)(GDExtensionStringPtr p_self, GDExtensionInt p_index); const char32_t *(*string_operator_index_const)(GDExtensionConstStringPtr p_self, GDExtensionInt p_index); /* Packed array functions */ uint8_t *(*packed_byte_array_operator_index)(GDExtensionTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedByteArray const uint8_t *(*packed_byte_array_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedByteArray GDExtensionTypePtr (*packed_color_array_operator_index)(GDExtensionTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedColorArray, returns Color ptr GDExtensionTypePtr (*packed_color_array_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedColorArray, returns Color ptr float *(*packed_float32_array_operator_index)(GDExtensionTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedFloat32Array const float *(*packed_float32_array_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedFloat32Array double *(*packed_float64_array_operator_index)(GDExtensionTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedFloat64Array const double *(*packed_float64_array_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedFloat64Array int32_t *(*packed_int32_array_operator_index)(GDExtensionTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedInt32Array const int32_t *(*packed_int32_array_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedInt32Array int64_t *(*packed_int64_array_operator_index)(GDExtensionTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedInt32Array const int64_t *(*packed_int64_array_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedInt32Array GDExtensionStringPtr (*packed_string_array_operator_index)(GDExtensionTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedStringArray GDExtensionStringPtr (*packed_string_array_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedStringArray GDExtensionTypePtr (*packed_vector2_array_operator_index)(GDExtensionTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedVector2Array, returns Vector2 ptr GDExtensionTypePtr (*packed_vector2_array_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedVector2Array, returns Vector2 ptr GDExtensionTypePtr (*packed_vector3_array_operator_index)(GDExtensionTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedVector3Array, returns Vector3 ptr GDExtensionTypePtr (*packed_vector3_array_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); // p_self should be a PackedVector3Array, returns Vector3 ptr GDExtensionVariantPtr (*array_operator_index)(GDExtensionTypePtr p_self, GDExtensionInt p_index); // p_self should be an Array ptr GDExtensionVariantPtr (*array_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); // p_self should be an Array ptr /* Dictionary functions */ GDExtensionVariantPtr (*dictionary_operator_index)(GDExtensionTypePtr p_self, GDExtensionConstVariantPtr p_key); // p_self should be an Dictionary ptr GDExtensionVariantPtr (*dictionary_operator_index_const)(GDExtensionConstTypePtr p_self, GDExtensionConstVariantPtr p_key); // p_self should be an Dictionary ptr /* OBJECT */ void (*object_method_bind_call)(GDExtensionMethodBindPtr p_method_bind, GDExtensionObjectPtr p_instance, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_arg_count, GDExtensionVariantPtr r_ret, GDExtensionCallError *r_error); void (*object_method_bind_ptrcall)(GDExtensionMethodBindPtr p_method_bind, GDExtensionObjectPtr p_instance, const GDExtensionConstTypePtr *p_args, GDExtensionTypePtr r_ret); void (*object_destroy)(GDExtensionObjectPtr p_o); GDExtensionObjectPtr (*global_get_singleton)(GDExtensionConstStringNamePtr p_name); void *(*object_get_instance_binding)(GDExtensionObjectPtr p_o, void *p_token, const GDExtensionInstanceBindingCallbacks *p_callbacks); void (*object_set_instance_binding)(GDExtensionObjectPtr p_o, void *p_token, void *p_binding, const GDExtensionInstanceBindingCallbacks *p_callbacks); void (*object_set_instance)(GDExtensionObjectPtr p_o, GDExtensionConstStringNamePtr p_classname, GDExtensionClassInstancePtr p_instance); /* p_classname should be a registered extension class and should extend the p_o object's class. */ GDExtensionObjectPtr (*object_cast_to)(GDExtensionConstObjectPtr p_object, void *p_class_tag); GDExtensionObjectPtr (*object_get_instance_from_id)(GDObjectInstanceID p_instance_id); GDObjectInstanceID (*object_get_instance_id)(GDExtensionConstObjectPtr p_object); /* REFERENCE */ GDExtensionObjectPtr (*ref_get_object)(GDExtensionConstRefPtr p_ref); void (*ref_set_object)(GDExtensionRefPtr p_ref, GDExtensionObjectPtr p_object); /* SCRIPT INSTANCE */ GDExtensionScriptInstancePtr (*script_instance_create)(const GDExtensionScriptInstanceInfo *p_info, GDExtensionScriptInstanceDataPtr p_instance_data); /* CLASSDB */ GDExtensionObjectPtr (*classdb_construct_object)(GDExtensionConstStringNamePtr p_classname); /* The passed class must be a built-in godot class, or an already-registered extension class. In both case, object_set_instance should be called to fully initialize the object. */ GDExtensionMethodBindPtr (*classdb_get_method_bind)(GDExtensionConstStringNamePtr p_classname, GDExtensionConstStringNamePtr p_methodname, GDExtensionInt p_hash); void *(*classdb_get_class_tag)(GDExtensionConstStringNamePtr p_classname); /* CLASSDB EXTENSION */ /* Provided parameters for `classdb_register_extension_*` can be safely freed once the function returns. */ void (*classdb_register_extension_class)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo *p_extension_funcs); void (*classdb_register_extension_class_method)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionClassMethodInfo *p_method_info); void (*classdb_register_extension_class_integer_constant)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_enum_name, GDExtensionConstStringNamePtr p_constant_name, GDExtensionInt p_constant_value, GDExtensionBool p_is_bitfield); void (*classdb_register_extension_class_property)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionPropertyInfo *p_info, GDExtensionConstStringNamePtr p_setter, GDExtensionConstStringNamePtr p_getter); void (*classdb_register_extension_class_property_group)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringPtr p_group_name, GDExtensionConstStringPtr p_prefix); void (*classdb_register_extension_class_property_subgroup)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringPtr p_subgroup_name, GDExtensionConstStringPtr p_prefix); void (*classdb_register_extension_class_signal)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_signal_name, const GDExtensionPropertyInfo *p_argument_info, GDExtensionInt p_argument_count); void (*classdb_unregister_extension_class)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name); /* Unregistering a parent class before a class that inherits it will result in failure. Inheritors must be unregistered first. */ void (*get_library_path)(GDExtensionClassLibraryPtr p_library, GDExtensionStringPtr r_path); } GDExtensionInterface; /* INITIALIZATION */ typedef enum { GDEXTENSION_INITIALIZATION_CORE, GDEXTENSION_INITIALIZATION_SERVERS, GDEXTENSION_INITIALIZATION_SCENE, GDEXTENSION_INITIALIZATION_EDITOR, GDEXTENSION_MAX_INITIALIZATION_LEVEL, } GDExtensionInitializationLevel; typedef struct { /* Minimum initialization level required. * If Core or Servers, the extension needs editor or game restart to take effect */ GDExtensionInitializationLevel 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, GDExtensionInitializationLevel p_level); void (*deinitialize)(void *userdata, GDExtensionInitializationLevel p_level); } GDExtensionInitialization; /* Define a C function prototype that implements the function below and expose it to dlopen() (or similar). * This is the entry point of the GDExtension library and will be called on initialization. * It can be used to set up different init levels, which are called during various stages of initialization/shutdown. * The function name must be a unique one specified in the .gdextension config file. */ typedef GDExtensionBool (*GDExtensionInitializationFunction)(const GDExtensionInterface *p_interface, GDExtensionClassLibraryPtr p_library, GDExtensionInitialization *r_initialization); #ifdef __cplusplus } #endif #endif // GDEXTENSION_INTERFACE_H