/**************************************************************************/ /* 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 #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_PACKED_VECTOR4_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; // In this API there are multiple functions which expect the caller to pass a pointer // on return value as parameter. // In order to make it clear if the caller should initialize the return value or not // we have two flavor of types: // - `GDExtensionXXXPtr` for pointer on an initialized value // - `GDExtensionUninitializedXXXPtr` for pointer on uninitialized value // // Notes: // - Not respecting those requirements can seems harmless, but will lead to unexpected // segfault or memory leak (for instance with a specific compiler/OS, or when two // native extensions start doing ptrcall on each other). // - Initialization must be done with the function pointer returned by `variant_get_ptr_constructor`, // zero-initializing the variable should not be considered a valid initialization method here ! // - Some types have no destructor (see `extension_api.json`'s `has_destructor` field), for // them it is always safe to skip the constructor for the return value if you are in a hurry ;-) typedef void *GDExtensionVariantPtr; typedef const void *GDExtensionConstVariantPtr; typedef void *GDExtensionUninitializedVariantPtr; typedef void *GDExtensionStringNamePtr; typedef const void *GDExtensionConstStringNamePtr; typedef void *GDExtensionUninitializedStringNamePtr; typedef void *GDExtensionStringPtr; typedef const void *GDExtensionConstStringPtr; typedef void *GDExtensionUninitializedStringPtr; typedef void *GDExtensionObjectPtr; typedef const void *GDExtensionConstObjectPtr; typedef void *GDExtensionUninitializedObjectPtr; typedef void *GDExtensionTypePtr; typedef const void *GDExtensionConstTypePtr; typedef void *GDExtensionUninitializedTypePtr; 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)(GDExtensionUninitializedVariantPtr, GDExtensionTypePtr); typedef void (*GDExtensionTypeFromVariantConstructorFunc)(GDExtensionUninitializedTypePtr, 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)(GDExtensionUninitializedTypePtr 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 GDExtensionBool (*GDExtensionClassValidateProperty)(GDExtensionClassInstancePtr p_instance, GDExtensionPropertyInfo *p_property); typedef void (*GDExtensionClassNotification)(GDExtensionClassInstancePtr p_instance, int32_t p_what); // Deprecated. Use GDExtensionClassNotification2 instead. typedef void (*GDExtensionClassNotification2)(GDExtensionClassInstancePtr p_instance, int32_t p_what, GDExtensionBool p_reversed); 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_class_userdata); typedef void (*GDExtensionClassFreeInstance)(void *p_class_userdata, GDExtensionClassInstancePtr p_instance); typedef GDExtensionClassInstancePtr (*GDExtensionClassRecreateInstance)(void *p_class_userdata, GDExtensionObjectPtr p_object); typedef GDExtensionClassCallVirtual (*GDExtensionClassGetVirtual)(void *p_class_userdata, GDExtensionConstStringNamePtr p_name); typedef void *(*GDExtensionClassGetVirtualCallData)(void *p_class_userdata, GDExtensionConstStringNamePtr p_name); typedef void (*GDExtensionClassCallVirtualWithData)(GDExtensionClassInstancePtr p_instance, GDExtensionConstStringNamePtr p_name, void *p_virtual_call_userdata, const GDExtensionConstTypePtr *p_args, GDExtensionTypePtr r_ret); 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; // Deprecated. Use GDExtensionClassCreationInfo3 instead. typedef struct { GDExtensionBool is_virtual; GDExtensionBool is_abstract; GDExtensionBool is_exposed; 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; GDExtensionClassValidateProperty validate_property_func; GDExtensionClassNotification2 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. GDExtensionClassRecreateInstance recreate_instance_func; // Queries a virtual function by name and returns a callback to invoke the requested virtual function. GDExtensionClassGetVirtual get_virtual_func; // Paired with `call_virtual_with_data_func`, this is an alternative to `get_virtual_func` for extensions that // need or benefit from extra data when calling virtual functions. // Returns user data that will be passed to `call_virtual_with_data_func`. // Returning `NULL` from this function signals to Godot that the virtual function is not overridden. // Data returned from this function should be managed by the extension and must be valid until the extension is deinitialized. // You should supply either `get_virtual_func`, or `get_virtual_call_data_func` with `call_virtual_with_data_func`. GDExtensionClassGetVirtualCallData get_virtual_call_data_func; // Used to call virtual functions when `get_virtual_call_data_func` is not null. GDExtensionClassCallVirtualWithData call_virtual_with_data_func; GDExtensionClassGetRID get_rid_func; void *class_userdata; // Per-class user data, later accessible in instance bindings. } GDExtensionClassCreationInfo2; // Deprecated. Use GDExtensionClassCreationInfo3 instead. typedef struct { GDExtensionBool is_virtual; GDExtensionBool is_abstract; GDExtensionBool is_exposed; GDExtensionBool is_runtime; 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; GDExtensionClassValidateProperty validate_property_func; GDExtensionClassNotification2 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. GDExtensionClassRecreateInstance recreate_instance_func; // Queries a virtual function by name and returns a callback to invoke the requested virtual function. GDExtensionClassGetVirtual get_virtual_func; // Paired with `call_virtual_with_data_func`, this is an alternative to `get_virtual_func` for extensions that // need or benefit from extra data when calling virtual functions. // Returns user data that will be passed to `call_virtual_with_data_func`. // Returning `NULL` from this function signals to Godot that the virtual function is not overridden. // Data returned from this function should be managed by the extension and must be valid until the extension is deinitialized. // You should supply either `get_virtual_func`, or `get_virtual_call_data_func` with `call_virtual_with_data_func`. GDExtensionClassGetVirtualCallData get_virtual_call_data_func; // Used to call virtual functions when `get_virtual_call_data_func` is not null. GDExtensionClassCallVirtualWithData call_virtual_with_data_func; GDExtensionClassGetRID get_rid_func; void *class_userdata; // Per-class user data, later accessible in instance bindings. } GDExtensionClassCreationInfo3; 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 (*GDExtensionClassMethodValidatedCall)(void *method_userdata, GDExtensionClassInstancePtr p_instance, const GDExtensionConstVariantPtr *p_args, GDExtensionVariantPtr r_return); 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. * * @todo Consider dropping `has_return_value` and making the other two properties match `GDExtensionMethodInfo` and `GDExtensionClassVirtualMethod` for consistency in future version of this struct. */ 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. * * @todo Consider renaming `arguments_info` to `arguments` for consistency in future version of this struct. */ 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; typedef struct { GDExtensionStringNamePtr name; uint32_t method_flags; // Bitfield of `GDExtensionClassMethodFlags`. GDExtensionPropertyInfo return_value; GDExtensionClassMethodArgumentMetadata return_value_metadata; uint32_t argument_count; GDExtensionPropertyInfo *arguments; GDExtensionClassMethodArgumentMetadata *arguments_metadata; } GDExtensionClassVirtualMethodInfo; typedef void (*GDExtensionCallableCustomCall)(void *callable_userdata, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_argument_count, GDExtensionVariantPtr r_return, GDExtensionCallError *r_error); typedef GDExtensionBool (*GDExtensionCallableCustomIsValid)(void *callable_userdata); typedef void (*GDExtensionCallableCustomFree)(void *callable_userdata); typedef uint32_t (*GDExtensionCallableCustomHash)(void *callable_userdata); typedef GDExtensionBool (*GDExtensionCallableCustomEqual)(void *callable_userdata_a, void *callable_userdata_b); typedef GDExtensionBool (*GDExtensionCallableCustomLessThan)(void *callable_userdata_a, void *callable_userdata_b); typedef void (*GDExtensionCallableCustomToString)(void *callable_userdata, GDExtensionBool *r_is_valid, GDExtensionStringPtr r_out); typedef GDExtensionInt (*GDExtensionCallableCustomGetArgumentCount)(void *callable_userdata, GDExtensionBool *r_is_valid); typedef struct { /* Only `call_func` and `token` are strictly required, however, `object_id` should be passed if its not a static method. * * `token` should point to an address that uniquely identifies the GDExtension (for example, the * `GDExtensionClassLibraryPtr` passed to the entry symbol function. * * `hash_func`, `equal_func`, and `less_than_func` are optional. If not provided both `call_func` and * `callable_userdata` together are used as the identity of the callable for hashing and comparison purposes. * * The hash returned by `hash_func` is cached, `hash_func` will not be called more than once per callable. * * `is_valid_func` is necessary if the validity of the callable can change before destruction. * * `free_func` is necessary if `callable_userdata` needs to be cleaned up when the callable is freed. */ void *callable_userdata; void *token; GDObjectInstanceID object_id; GDExtensionCallableCustomCall call_func; GDExtensionCallableCustomIsValid is_valid_func; GDExtensionCallableCustomFree free_func; GDExtensionCallableCustomHash hash_func; GDExtensionCallableCustomEqual equal_func; GDExtensionCallableCustomLessThan less_than_func; GDExtensionCallableCustomToString to_string_func; } GDExtensionCallableCustomInfo; // Deprecated. Use GDExtensionCallableCustomInfo2 instead. typedef struct { /* Only `call_func` and `token` are strictly required, however, `object_id` should be passed if its not a static method. * * `token` should point to an address that uniquely identifies the GDExtension (for example, the * `GDExtensionClassLibraryPtr` passed to the entry symbol function. * * `hash_func`, `equal_func`, and `less_than_func` are optional. If not provided both `call_func` and * `callable_userdata` together are used as the identity of the callable for hashing and comparison purposes. * * The hash returned by `hash_func` is cached, `hash_func` will not be called more than once per callable. * * `is_valid_func` is necessary if the validity of the callable can change before destruction. * * `free_func` is necessary if `callable_userdata` needs to be cleaned up when the callable is freed. */ void *callable_userdata; void *token; GDObjectInstanceID object_id; GDExtensionCallableCustomCall call_func; GDExtensionCallableCustomIsValid is_valid_func; GDExtensionCallableCustomFree free_func; GDExtensionCallableCustomHash hash_func; GDExtensionCallableCustomEqual equal_func; GDExtensionCallableCustomLessThan less_than_func; GDExtensionCallableCustomToString to_string_func; GDExtensionCallableCustomGetArgumentCount get_argument_count_func; } GDExtensionCallableCustomInfo2; /* 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); // Deprecated. Use GDExtensionScriptInstanceFreePropertyList2 instead. typedef void (*GDExtensionScriptInstanceFreePropertyList2)(GDExtensionScriptInstanceDataPtr p_instance, const GDExtensionPropertyInfo *p_list, uint32_t p_count); typedef GDExtensionBool (*GDExtensionScriptInstanceGetClassCategory)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionPropertyInfo *p_class_category); typedef GDExtensionVariantType (*GDExtensionScriptInstanceGetPropertyType)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionConstStringNamePtr p_name, GDExtensionBool *r_is_valid); typedef GDExtensionBool (*GDExtensionScriptInstanceValidateProperty)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionPropertyInfo *p_property); 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); // Deprecated. Use GDExtensionScriptInstanceFreeMethodList2 instead. typedef void (*GDExtensionScriptInstanceFreeMethodList2)(GDExtensionScriptInstanceDataPtr p_instance, const GDExtensionMethodInfo *p_list, uint32_t p_count); typedef GDExtensionBool (*GDExtensionScriptInstanceHasMethod)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionConstStringNamePtr p_name); typedef GDExtensionInt (*GDExtensionScriptInstanceGetMethodArgumentCount)(GDExtensionScriptInstanceDataPtr p_instance, GDExtensionConstStringNamePtr p_name, GDExtensionBool *r_is_valid); 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); // Deprecated. Use GDExtensionScriptInstanceNotification2 instead. typedef void (*GDExtensionScriptInstanceNotification2)(GDExtensionScriptInstanceDataPtr p_instance, int32_t p_what, GDExtensionBool p_reversed); 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; // Deprecated. Use GDExtensionScriptInstanceInfo3 instead. typedef struct { GDExtensionScriptInstanceSet set_func; GDExtensionScriptInstanceGet get_func; GDExtensionScriptInstanceGetPropertyList get_property_list_func; GDExtensionScriptInstanceFreePropertyList free_property_list_func; GDExtensionScriptInstanceGetClassCategory get_class_category_func; // Optional. Set to NULL for the default behavior. 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; GDExtensionScriptInstanceValidateProperty validate_property_func; GDExtensionScriptInstanceHasMethod has_method_func; GDExtensionScriptInstanceCall call_func; GDExtensionScriptInstanceNotification2 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; } GDExtensionScriptInstanceInfo2; // Deprecated. Use GDExtensionScriptInstanceInfo3 instead. typedef struct { GDExtensionScriptInstanceSet set_func; GDExtensionScriptInstanceGet get_func; GDExtensionScriptInstanceGetPropertyList get_property_list_func; GDExtensionScriptInstanceFreePropertyList2 free_property_list_func; GDExtensionScriptInstanceGetClassCategory get_class_category_func; // Optional. Set to NULL for the default behavior. GDExtensionScriptInstancePropertyCanRevert property_can_revert_func; GDExtensionScriptInstancePropertyGetRevert property_get_revert_func; GDExtensionScriptInstanceGetOwner get_owner_func; GDExtensionScriptInstanceGetPropertyState get_property_state_func; GDExtensionScriptInstanceGetMethodList get_method_list_func; GDExtensionScriptInstanceFreeMethodList2 free_method_list_func; GDExtensionScriptInstanceGetPropertyType get_property_type_func; GDExtensionScriptInstanceValidateProperty validate_property_func; GDExtensionScriptInstanceHasMethod has_method_func; GDExtensionScriptInstanceGetMethodArgumentCount get_method_argument_count_func; GDExtensionScriptInstanceCall call_func; GDExtensionScriptInstanceNotification2 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; } GDExtensionScriptInstanceInfo3; /* 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; typedef void (*GDExtensionInterfaceFunctionPtr)(); typedef GDExtensionInterfaceFunctionPtr (*GDExtensionInterfaceGetProcAddress)(const char *p_function_name); /* * Each GDExtension should define a C function that matches the signature of GDExtensionInitializationFunction, * and export it so that it can be loaded via dlopen() or equivalent for the given platform. * * For example: * * GDExtensionBool my_extension_init(GDExtensionInterfaceGetProcAddress p_get_proc_address, GDExtensionClassLibraryPtr p_library, GDExtensionInitialization *r_initialization); * * This function's name must be specified as the 'entry_symbol' in the .gdextension file. * * This makes it the entry point of the GDExtension and will be called on initialization. * * The GDExtension can then modify the r_initialization structure, setting the minimum initialization level, * and providing pointers to functions that will be called at various stages of initialization/shutdown. * * The rest of the GDExtension's interface to Godot consists of function pointers that can be loaded * by calling p_get_proc_address("...") with the name of the function. * * For example: * * GDExtensionInterfaceGetGodotVersion get_godot_version = (GDExtensionInterfaceGetGodotVersion)p_get_proc_address("get_godot_version"); * * (Note that snippet may cause "cast between incompatible function types" on some compilers, you can * silence this by adding an intermediary `void*` cast.) * * You can then call it like a normal function: * * GDExtensionGodotVersion godot_version; * get_godot_version(&godot_version); * printf("Godot v%d.%d.%d\n", godot_version.major, godot_version.minor, godot_version.patch); * * All of these interface functions are described below, together with the name that's used to load it, * and the function pointer typedef that shows its signature. */ typedef GDExtensionBool (*GDExtensionInitializationFunction)(GDExtensionInterfaceGetProcAddress p_get_proc_address, GDExtensionClassLibraryPtr p_library, GDExtensionInitialization *r_initialization); /* INTERFACE */ typedef struct { uint32_t major; uint32_t minor; uint32_t patch; const char *string; } GDExtensionGodotVersion; /** * @name get_godot_version * @since 4.1 * * Gets the Godot version that the GDExtension was loaded into. * * @param r_godot_version A pointer to the structure to write the version information into. */ typedef void (*GDExtensionInterfaceGetGodotVersion)(GDExtensionGodotVersion *r_godot_version); /* INTERFACE: Memory */ /** * @name mem_alloc * @since 4.1 * * Allocates memory. * * @param p_bytes The amount of memory to allocate in bytes. * * @return A pointer to the allocated memory, or NULL if unsuccessful. */ typedef void *(*GDExtensionInterfaceMemAlloc)(size_t p_bytes); /** * @name mem_realloc * @since 4.1 * * Reallocates memory. * * @param p_ptr A pointer to the previously allocated memory. * @param p_bytes The number of bytes to resize the memory block to. * * @return A pointer to the allocated memory, or NULL if unsuccessful. */ typedef void *(*GDExtensionInterfaceMemRealloc)(void *p_ptr, size_t p_bytes); /** * @name mem_free * @since 4.1 * * Frees memory. * * @param p_ptr A pointer to the previously allocated memory. */ typedef void (*GDExtensionInterfaceMemFree)(void *p_ptr); /* INTERFACE: Godot Core */ /** * @name print_error * @since 4.1 * * Logs an error to Godot's built-in debugger and to the OS terminal. * * @param p_description The code trigging the error. * @param p_function The function name where the error occurred. * @param p_file The file where the error occurred. * @param p_line The line where the error occurred. * @param p_editor_notify Whether or not to notify the editor. */ typedef void (*GDExtensionInterfacePrintError)(const char *p_description, const char *p_function, const char *p_file, int32_t p_line, GDExtensionBool p_editor_notify); /** * @name print_error_with_message * @since 4.1 * * Logs an error with a message to Godot's built-in debugger and to the OS terminal. * * @param p_description The code trigging the error. * @param p_message The message to show along with the error. * @param p_function The function name where the error occurred. * @param p_file The file where the error occurred. * @param p_line The line where the error occurred. * @param p_editor_notify Whether or not to notify the editor. */ typedef void (*GDExtensionInterfacePrintErrorWithMessage)(const char *p_description, const char *p_message, const char *p_function, const char *p_file, int32_t p_line, GDExtensionBool p_editor_notify); /** * @name print_warning * @since 4.1 * * Logs a warning to Godot's built-in debugger and to the OS terminal. * * @param p_description The code trigging the warning. * @param p_function The function name where the warning occurred. * @param p_file The file where the warning occurred. * @param p_line The line where the warning occurred. * @param p_editor_notify Whether or not to notify the editor. */ typedef void (*GDExtensionInterfacePrintWarning)(const char *p_description, const char *p_function, const char *p_file, int32_t p_line, GDExtensionBool p_editor_notify); /** * @name print_warning_with_message * @since 4.1 * * Logs a warning with a message to Godot's built-in debugger and to the OS terminal. * * @param p_description The code trigging the warning. * @param p_message The message to show along with the warning. * @param p_function The function name where the warning occurred. * @param p_file The file where the warning occurred. * @param p_line The line where the warning occurred. * @param p_editor_notify Whether or not to notify the editor. */ typedef void (*GDExtensionInterfacePrintWarningWithMessage)(const char *p_description, const char *p_message, const char *p_function, const char *p_file, int32_t p_line, GDExtensionBool p_editor_notify); /** * @name print_script_error * @since 4.1 * * Logs a script error to Godot's built-in debugger and to the OS terminal. * * @param p_description The code trigging the error. * @param p_function The function name where the error occurred. * @param p_file The file where the error occurred. * @param p_line The line where the error occurred. * @param p_editor_notify Whether or not to notify the editor. */ typedef void (*GDExtensionInterfacePrintScriptError)(const char *p_description, const char *p_function, const char *p_file, int32_t p_line, GDExtensionBool p_editor_notify); /** * @name print_script_error_with_message * @since 4.1 * * Logs a script error with a message to Godot's built-in debugger and to the OS terminal. * * @param p_description The code trigging the error. * @param p_message The message to show along with the error. * @param p_function The function name where the error occurred. * @param p_file The file where the error occurred. * @param p_line The line where the error occurred. * @param p_editor_notify Whether or not to notify the editor. */ typedef void (*GDExtensionInterfacePrintScriptErrorWithMessage)(const char *p_description, const char *p_message, const char *p_function, const char *p_file, int32_t p_line, GDExtensionBool p_editor_notify); /** * @name get_native_struct_size * @since 4.1 * * Gets the size of a native struct (ex. ObjectID) in bytes. * * @param p_name A pointer to a StringName identifying the struct name. * * @return The size in bytes. */ typedef uint64_t (*GDExtensionInterfaceGetNativeStructSize)(GDExtensionConstStringNamePtr p_name); /* INTERFACE: Variant */ /** * @name variant_new_copy * @since 4.1 * * Copies one Variant into a another. * * @param r_dest A pointer to the destination Variant. * @param p_src A pointer to the source Variant. */ typedef void (*GDExtensionInterfaceVariantNewCopy)(GDExtensionUninitializedVariantPtr r_dest, GDExtensionConstVariantPtr p_src); /** * @name variant_new_nil * @since 4.1 * * Creates a new Variant containing nil. * * @param r_dest A pointer to the destination Variant. */ typedef void (*GDExtensionInterfaceVariantNewNil)(GDExtensionUninitializedVariantPtr r_dest); /** * @name variant_destroy * @since 4.1 * * Destroys a Variant. * * @param p_self A pointer to the Variant to destroy. */ typedef void (*GDExtensionInterfaceVariantDestroy)(GDExtensionVariantPtr p_self); /** * @name variant_call * @since 4.1 * * Calls a method on a Variant. * * @param p_self A pointer to the Variant. * @param p_method A pointer to a StringName identifying the method. * @param p_args A pointer to a C array of Variant. * @param p_argument_count The number of arguments. * @param r_return A pointer a Variant which will be assigned the return value. * @param r_error A pointer the structure which will hold error information. * * @see Variant::callp() */ typedef void (*GDExtensionInterfaceVariantCall)(GDExtensionVariantPtr p_self, GDExtensionConstStringNamePtr p_method, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_argument_count, GDExtensionUninitializedVariantPtr r_return, GDExtensionCallError *r_error); /** * @name variant_call_static * @since 4.1 * * Calls a static method on a Variant. * * @param p_self A pointer to the Variant. * @param p_method A pointer to a StringName identifying the method. * @param p_args A pointer to a C array of Variant. * @param p_argument_count The number of arguments. * @param r_return A pointer a Variant which will be assigned the return value. * @param r_error A pointer the structure which will be updated with error information. * * @see Variant::call_static() */ typedef void (*GDExtensionInterfaceVariantCallStatic)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_method, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_argument_count, GDExtensionUninitializedVariantPtr r_return, GDExtensionCallError *r_error); /** * @name variant_evaluate * @since 4.1 * * Evaluate an operator on two Variants. * * @param p_op The operator to evaluate. * @param p_a The first Variant. * @param p_b The second Variant. * @param r_return A pointer a Variant which will be assigned the return value. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. * * @see Variant::evaluate() */ typedef void (*GDExtensionInterfaceVariantEvaluate)(GDExtensionVariantOperator p_op, GDExtensionConstVariantPtr p_a, GDExtensionConstVariantPtr p_b, GDExtensionUninitializedVariantPtr r_return, GDExtensionBool *r_valid); /** * @name variant_set * @since 4.1 * * Sets a key on a Variant to a value. * * @param p_self A pointer to the Variant. * @param p_key A pointer to a Variant representing the key. * @param p_value A pointer to a Variant representing the value. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. * * @see Variant::set() */ typedef void (*GDExtensionInterfaceVariantSet)(GDExtensionVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionConstVariantPtr p_value, GDExtensionBool *r_valid); /** * @name variant_set_named * @since 4.1 * * Sets a named key on a Variant to a value. * * @param p_self A pointer to the Variant. * @param p_key A pointer to a StringName representing the key. * @param p_value A pointer to a Variant representing the value. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. * * @see Variant::set_named() */ typedef void (*GDExtensionInterfaceVariantSetNamed)(GDExtensionVariantPtr p_self, GDExtensionConstStringNamePtr p_key, GDExtensionConstVariantPtr p_value, GDExtensionBool *r_valid); /** * @name variant_set_keyed * @since 4.1 * * Sets a keyed property on a Variant to a value. * * @param p_self A pointer to the Variant. * @param p_key A pointer to a Variant representing the key. * @param p_value A pointer to a Variant representing the value. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. * * @see Variant::set_keyed() */ typedef void (*GDExtensionInterfaceVariantSetKeyed)(GDExtensionVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionConstVariantPtr p_value, GDExtensionBool *r_valid); /** * @name variant_set_indexed * @since 4.1 * * Sets an index on a Variant to a value. * * @param p_self A pointer to the Variant. * @param p_index The index. * @param p_value A pointer to a Variant representing the value. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. * @param r_oob A pointer to a boolean which will be set to true if the index is out of bounds. */ typedef void (*GDExtensionInterfaceVariantSetIndexed)(GDExtensionVariantPtr p_self, GDExtensionInt p_index, GDExtensionConstVariantPtr p_value, GDExtensionBool *r_valid, GDExtensionBool *r_oob); /** * @name variant_get * @since 4.1 * * Gets the value of a key from a Variant. * * @param p_self A pointer to the Variant. * @param p_key A pointer to a Variant representing the key. * @param r_ret A pointer to a Variant which will be assigned the value. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. */ typedef void (*GDExtensionInterfaceVariantGet)(GDExtensionConstVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionUninitializedVariantPtr r_ret, GDExtensionBool *r_valid); /** * @name variant_get_named * @since 4.1 * * Gets the value of a named key from a Variant. * * @param p_self A pointer to the Variant. * @param p_key A pointer to a StringName representing the key. * @param r_ret A pointer to a Variant which will be assigned the value. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. */ typedef void (*GDExtensionInterfaceVariantGetNamed)(GDExtensionConstVariantPtr p_self, GDExtensionConstStringNamePtr p_key, GDExtensionUninitializedVariantPtr r_ret, GDExtensionBool *r_valid); /** * @name variant_get_keyed * @since 4.1 * * Gets the value of a keyed property from a Variant. * * @param p_self A pointer to the Variant. * @param p_key A pointer to a Variant representing the key. * @param r_ret A pointer to a Variant which will be assigned the value. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. */ typedef void (*GDExtensionInterfaceVariantGetKeyed)(GDExtensionConstVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionUninitializedVariantPtr r_ret, GDExtensionBool *r_valid); /** * @name variant_get_indexed * @since 4.1 * * Gets the value of an index from a Variant. * * @param p_self A pointer to the Variant. * @param p_index The index. * @param r_ret A pointer to a Variant which will be assigned the value. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. * @param r_oob A pointer to a boolean which will be set to true if the index is out of bounds. */ typedef void (*GDExtensionInterfaceVariantGetIndexed)(GDExtensionConstVariantPtr p_self, GDExtensionInt p_index, GDExtensionUninitializedVariantPtr r_ret, GDExtensionBool *r_valid, GDExtensionBool *r_oob); /** * @name variant_iter_init * @since 4.1 * * Initializes an iterator over a Variant. * * @param p_self A pointer to the Variant. * @param r_iter A pointer to a Variant which will be assigned the iterator. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. * * @return true if the operation is valid; otherwise false. * * @see Variant::iter_init() */ typedef GDExtensionBool (*GDExtensionInterfaceVariantIterInit)(GDExtensionConstVariantPtr p_self, GDExtensionUninitializedVariantPtr r_iter, GDExtensionBool *r_valid); /** * @name variant_iter_next * @since 4.1 * * Gets the next value for an iterator over a Variant. * * @param p_self A pointer to the Variant. * @param r_iter A pointer to a Variant which will be assigned the iterator. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. * * @return true if the operation is valid; otherwise false. * * @see Variant::iter_next() */ typedef GDExtensionBool (*GDExtensionInterfaceVariantIterNext)(GDExtensionConstVariantPtr p_self, GDExtensionVariantPtr r_iter, GDExtensionBool *r_valid); /** * @name variant_iter_get * @since 4.1 * * Gets the next value for an iterator over a Variant. * * @param p_self A pointer to the Variant. * @param r_iter A pointer to a Variant which will be assigned the iterator. * @param r_ret A pointer to a Variant which will be assigned false if the operation is invalid. * @param r_valid A pointer to a boolean which will be set to false if the operation is invalid. * * @see Variant::iter_get() */ typedef void (*GDExtensionInterfaceVariantIterGet)(GDExtensionConstVariantPtr p_self, GDExtensionVariantPtr r_iter, GDExtensionUninitializedVariantPtr r_ret, GDExtensionBool *r_valid); /** * @name variant_hash * @since 4.1 * * Gets the hash of a Variant. * * @param p_self A pointer to the Variant. * * @return The hash value. * * @see Variant::hash() */ typedef GDExtensionInt (*GDExtensionInterfaceVariantHash)(GDExtensionConstVariantPtr p_self); /** * @name variant_recursive_hash * @since 4.1 * * Gets the recursive hash of a Variant. * * @param p_self A pointer to the Variant. * @param p_recursion_count The number of recursive loops so far. * * @return The hash value. * * @see Variant::recursive_hash() */ typedef GDExtensionInt (*GDExtensionInterfaceVariantRecursiveHash)(GDExtensionConstVariantPtr p_self, GDExtensionInt p_recursion_count); /** * @name variant_hash_compare * @since 4.1 * * Compares two Variants by their hash. * * @param p_self A pointer to the Variant. * @param p_other A pointer to the other Variant to compare it to. * * @return The hash value. * * @see Variant::hash_compare() */ typedef GDExtensionBool (*GDExtensionInterfaceVariantHashCompare)(GDExtensionConstVariantPtr p_self, GDExtensionConstVariantPtr p_other); /** * @name variant_booleanize * @since 4.1 * * Converts a Variant to a boolean. * * @param p_self A pointer to the Variant. * * @return The boolean value of the Variant. */ typedef GDExtensionBool (*GDExtensionInterfaceVariantBooleanize)(GDExtensionConstVariantPtr p_self); /** * @name variant_duplicate * @since 4.1 * * Duplicates a Variant. * * @param p_self A pointer to the Variant. * @param r_ret A pointer to a Variant to store the duplicated value. * @param p_deep Whether or not to duplicate deeply (when supported by the Variant type). */ typedef void (*GDExtensionInterfaceVariantDuplicate)(GDExtensionConstVariantPtr p_self, GDExtensionVariantPtr r_ret, GDExtensionBool p_deep); /** * @name variant_stringify * @since 4.1 * * Converts a Variant to a string. * * @param p_self A pointer to the Variant. * @param r_ret A pointer to a String to store the resulting value. */ typedef void (*GDExtensionInterfaceVariantStringify)(GDExtensionConstVariantPtr p_self, GDExtensionStringPtr r_ret); /** * @name variant_get_type * @since 4.1 * * Gets the type of a Variant. * * @param p_self A pointer to the Variant. * * @return The variant type. */ typedef GDExtensionVariantType (*GDExtensionInterfaceVariantGetType)(GDExtensionConstVariantPtr p_self); /** * @name variant_has_method * @since 4.1 * * Checks if a Variant has the given method. * * @param p_self A pointer to the Variant. * @param p_method A pointer to a StringName with the method name. * * @return */ typedef GDExtensionBool (*GDExtensionInterfaceVariantHasMethod)(GDExtensionConstVariantPtr p_self, GDExtensionConstStringNamePtr p_method); /** * @name variant_has_member * @since 4.1 * * Checks if a type of Variant has the given member. * * @param p_type The Variant type. * @param p_member A pointer to a StringName with the member name. * * @return */ typedef GDExtensionBool (*GDExtensionInterfaceVariantHasMember)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_member); /** * @name variant_has_key * @since 4.1 * * Checks if a Variant has a key. * * @param p_self A pointer to the Variant. * @param p_key A pointer to a Variant representing the key. * @param r_valid A pointer to a boolean which will be set to false if the key doesn't exist. * * @return true if the key exists; otherwise false. */ typedef GDExtensionBool (*GDExtensionInterfaceVariantHasKey)(GDExtensionConstVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionBool *r_valid); /** * @name variant_get_type_name * @since 4.1 * * Gets the name of a Variant type. * * @param p_type The Variant type. * @param r_name A pointer to a String to store the Variant type name. */ typedef void (*GDExtensionInterfaceVariantGetTypeName)(GDExtensionVariantType p_type, GDExtensionUninitializedStringPtr r_name); /** * @name variant_can_convert * @since 4.1 * * Checks if Variants can be converted from one type to another. * * @param p_from The Variant type to convert from. * @param p_to The Variant type to convert to. * * @return true if the conversion is possible; otherwise false. */ typedef GDExtensionBool (*GDExtensionInterfaceVariantCanConvert)(GDExtensionVariantType p_from, GDExtensionVariantType p_to); /** * @name variant_can_convert_strict * @since 4.1 * * Checks if Variant can be converted from one type to another using stricter rules. * * @param p_from The Variant type to convert from. * @param p_to The Variant type to convert to. * * @return true if the conversion is possible; otherwise false. */ typedef GDExtensionBool (*GDExtensionInterfaceVariantCanConvertStrict)(GDExtensionVariantType p_from, GDExtensionVariantType p_to); /** * @name get_variant_from_type_constructor * @since 4.1 * * Gets a pointer to a function that can create a Variant of the given type from a raw value. * * @param p_type The Variant type. * * @return A pointer to a function that can create a Variant of the given type from a raw value. */ typedef GDExtensionVariantFromTypeConstructorFunc (*GDExtensionInterfaceGetVariantFromTypeConstructor)(GDExtensionVariantType p_type); /** * @name get_variant_to_type_constructor * @since 4.1 * * Gets a pointer to a function that can get the raw value from a Variant of the given type. * * @param p_type The Variant type. * * @return A pointer to a function that can get the raw value from a Variant of the given type. */ typedef GDExtensionTypeFromVariantConstructorFunc (*GDExtensionInterfaceGetVariantToTypeConstructor)(GDExtensionVariantType p_type); /** * @name variant_get_ptr_operator_evaluator * @since 4.1 * * Gets a pointer to a function that can evaluate the given Variant operator on the given Variant types. * * @param p_operator The variant operator. * @param p_type_a The type of the first Variant. * @param p_type_b The type of the second Variant. * * @return A pointer to a function that can evaluate the given Variant operator on the given Variant types. */ typedef GDExtensionPtrOperatorEvaluator (*GDExtensionInterfaceVariantGetPtrOperatorEvaluator)(GDExtensionVariantOperator p_operator, GDExtensionVariantType p_type_a, GDExtensionVariantType p_type_b); /** * @name variant_get_ptr_builtin_method * @since 4.1 * * Gets a pointer to a function that can call a builtin method on a type of Variant. * * @param p_type The Variant type. * @param p_method A pointer to a StringName with the method name. * @param p_hash A hash representing the method signature. * * @return A pointer to a function that can call a builtin method on a type of Variant. */ typedef GDExtensionPtrBuiltInMethod (*GDExtensionInterfaceVariantGetPtrBuiltinMethod)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_method, GDExtensionInt p_hash); /** * @name variant_get_ptr_constructor * @since 4.1 * * Gets a pointer to a function that can call one of the constructors for a type of Variant. * * @param p_type The Variant type. * @param p_constructor The index of the constructor. * * @return A pointer to a function that can call one of the constructors for a type of Variant. */ typedef GDExtensionPtrConstructor (*GDExtensionInterfaceVariantGetPtrConstructor)(GDExtensionVariantType p_type, int32_t p_constructor); /** * @name variant_get_ptr_destructor * @since 4.1 * * Gets a pointer to a function than can call the destructor for a type of Variant. * * @param p_type The Variant type. * * @return A pointer to a function than can call the destructor for a type of Variant. */ typedef GDExtensionPtrDestructor (*GDExtensionInterfaceVariantGetPtrDestructor)(GDExtensionVariantType p_type); /** * @name variant_construct * @since 4.1 * * Constructs a Variant of the given type, using the first constructor that matches the given arguments. * * @param p_type The Variant type. * @param p_base A pointer to a Variant to store the constructed value. * @param p_args A pointer to a C array of Variant pointers representing the arguments for the constructor. * @param p_argument_count The number of arguments to pass to the constructor. * @param r_error A pointer the structure which will be updated with error information. */ typedef void (*GDExtensionInterfaceVariantConstruct)(GDExtensionVariantType p_type, GDExtensionUninitializedVariantPtr r_base, const GDExtensionConstVariantPtr *p_args, int32_t p_argument_count, GDExtensionCallError *r_error); /** * @name variant_get_ptr_setter * @since 4.1 * * Gets a pointer to a function that can call a member's setter on the given Variant type. * * @param p_type The Variant type. * @param p_member A pointer to a StringName with the member name. * * @return A pointer to a function that can call a member's setter on the given Variant type. */ typedef GDExtensionPtrSetter (*GDExtensionInterfaceVariantGetPtrSetter)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_member); /** * @name variant_get_ptr_getter * @since 4.1 * * Gets a pointer to a function that can call a member's getter on the given Variant type. * * @param p_type The Variant type. * @param p_member A pointer to a StringName with the member name. * * @return A pointer to a function that can call a member's getter on the given Variant type. */ typedef GDExtensionPtrGetter (*GDExtensionInterfaceVariantGetPtrGetter)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_member); /** * @name variant_get_ptr_indexed_setter * @since 4.1 * * Gets a pointer to a function that can set an index on the given Variant type. * * @param p_type The Variant type. * * @return A pointer to a function that can set an index on the given Variant type. */ typedef GDExtensionPtrIndexedSetter (*GDExtensionInterfaceVariantGetPtrIndexedSetter)(GDExtensionVariantType p_type); /** * @name variant_get_ptr_indexed_getter * @since 4.1 * * Gets a pointer to a function that can get an index on the given Variant type. * * @param p_type The Variant type. * * @return A pointer to a function that can get an index on the given Variant type. */ typedef GDExtensionPtrIndexedGetter (*GDExtensionInterfaceVariantGetPtrIndexedGetter)(GDExtensionVariantType p_type); /** * @name variant_get_ptr_keyed_setter * @since 4.1 * * Gets a pointer to a function that can set a key on the given Variant type. * * @param p_type The Variant type. * * @return A pointer to a function that can set a key on the given Variant type. */ typedef GDExtensionPtrKeyedSetter (*GDExtensionInterfaceVariantGetPtrKeyedSetter)(GDExtensionVariantType p_type); /** * @name variant_get_ptr_keyed_getter * @since 4.1 * * Gets a pointer to a function that can get a key on the given Variant type. * * @param p_type The Variant type. * * @return A pointer to a function that can get a key on the given Variant type. */ typedef GDExtensionPtrKeyedGetter (*GDExtensionInterfaceVariantGetPtrKeyedGetter)(GDExtensionVariantType p_type); /** * @name variant_get_ptr_keyed_checker * @since 4.1 * * Gets a pointer to a function that can check a key on the given Variant type. * * @param p_type The Variant type. * * @return A pointer to a function that can check a key on the given Variant type. */ typedef GDExtensionPtrKeyedChecker (*GDExtensionInterfaceVariantGetPtrKeyedChecker)(GDExtensionVariantType p_type); /** * @name variant_get_constant_value * @since 4.1 * * Gets the value of a constant from the given Variant type. * * @param p_type The Variant type. * @param p_constant A pointer to a StringName with the constant name. * @param r_ret A pointer to a Variant to store the value. */ typedef void (*GDExtensionInterfaceVariantGetConstantValue)(GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_constant, GDExtensionUninitializedVariantPtr r_ret); /** * @name variant_get_ptr_utility_function * @since 4.1 * * Gets a pointer to a function that can call a Variant utility function. * * @param p_function A pointer to a StringName with the function name. * @param p_hash A hash representing the function signature. * * @return A pointer to a function that can call a Variant utility function. */ typedef GDExtensionPtrUtilityFunction (*GDExtensionInterfaceVariantGetPtrUtilityFunction)(GDExtensionConstStringNamePtr p_function, GDExtensionInt p_hash); /* INTERFACE: String Utilities */ /** * @name string_new_with_latin1_chars * @since 4.1 * * Creates a String from a Latin-1 encoded C string. * * @param r_dest A pointer to a Variant to hold the newly created String. * @param p_contents A pointer to a Latin-1 encoded C string (null terminated). */ typedef void (*GDExtensionInterfaceStringNewWithLatin1Chars)(GDExtensionUninitializedStringPtr r_dest, const char *p_contents); /** * @name string_new_with_utf8_chars * @since 4.1 * * Creates a String from a UTF-8 encoded C string. * * @param r_dest A pointer to a Variant to hold the newly created String. * @param p_contents A pointer to a UTF-8 encoded C string (null terminated). */ typedef void (*GDExtensionInterfaceStringNewWithUtf8Chars)(GDExtensionUninitializedStringPtr r_dest, const char *p_contents); /** * @name string_new_with_utf16_chars * @since 4.1 * * Creates a String from a UTF-16 encoded C string. * * @param r_dest A pointer to a Variant to hold the newly created String. * @param p_contents A pointer to a UTF-16 encoded C string (null terminated). */ typedef void (*GDExtensionInterfaceStringNewWithUtf16Chars)(GDExtensionUninitializedStringPtr r_dest, const char16_t *p_contents); /** * @name string_new_with_utf32_chars * @since 4.1 * * Creates a String from a UTF-32 encoded C string. * * @param r_dest A pointer to a Variant to hold the newly created String. * @param p_contents A pointer to a UTF-32 encoded C string (null terminated). */ typedef void (*GDExtensionInterfaceStringNewWithUtf32Chars)(GDExtensionUninitializedStringPtr r_dest, const char32_t *p_contents); /** * @name string_new_with_wide_chars * @since 4.1 * * Creates a String from a wide C string. * * @param r_dest A pointer to a Variant to hold the newly created String. * @param p_contents A pointer to a wide C string (null terminated). */ typedef void (*GDExtensionInterfaceStringNewWithWideChars)(GDExtensionUninitializedStringPtr r_dest, const wchar_t *p_contents); /** * @name string_new_with_latin1_chars_and_len * @since 4.1 * * Creates a String from a Latin-1 encoded C string with the given length. * * @param r_dest A pointer to a Variant to hold the newly created String. * @param p_contents A pointer to a Latin-1 encoded C string. * @param p_size The number of characters (= number of bytes). */ typedef void (*GDExtensionInterfaceStringNewWithLatin1CharsAndLen)(GDExtensionUninitializedStringPtr r_dest, const char *p_contents, GDExtensionInt p_size); /** * @name string_new_with_utf8_chars_and_len * @since 4.1 * * Creates a String from a UTF-8 encoded C string with the given length. * * @param r_dest A pointer to a Variant to hold the newly created String. * @param p_contents A pointer to a UTF-8 encoded C string. * @param p_size The number of bytes (not code units). */ typedef void (*GDExtensionInterfaceStringNewWithUtf8CharsAndLen)(GDExtensionUninitializedStringPtr r_dest, const char *p_contents, GDExtensionInt p_size); /** * @name string_new_with_utf16_chars_and_len * @since 4.1 * * Creates a String from a UTF-16 encoded C string with the given length. * * @param r_dest A pointer to a Variant to hold the newly created String. * @param p_contents A pointer to a UTF-16 encoded C string. * @param p_size The number of characters (not bytes). */ typedef void (*GDExtensionInterfaceStringNewWithUtf16CharsAndLen)(GDExtensionUninitializedStringPtr r_dest, const char16_t *p_contents, GDExtensionInt p_char_count); /** * @name string_new_with_utf32_chars_and_len * @since 4.1 * * Creates a String from a UTF-32 encoded C string with the given length. * * @param r_dest A pointer to a Variant to hold the newly created String. * @param p_contents A pointer to a UTF-32 encoded C string. * @param p_size The number of characters (not bytes). */ typedef void (*GDExtensionInterfaceStringNewWithUtf32CharsAndLen)(GDExtensionUninitializedStringPtr r_dest, const char32_t *p_contents, GDExtensionInt p_char_count); /** * @name string_new_with_wide_chars_and_len * @since 4.1 * * Creates a String from a wide C string with the given length. * * @param r_dest A pointer to a Variant to hold the newly created String. * @param p_contents A pointer to a wide C string. * @param p_size The number of characters (not bytes). */ typedef void (*GDExtensionInterfaceStringNewWithWideCharsAndLen)(GDExtensionUninitializedStringPtr r_dest, const wchar_t *p_contents, GDExtensionInt p_char_count); /** * @name string_to_latin1_chars * @since 4.1 * * Converts a String to a Latin-1 encoded C string. * * It doesn't write a null terminator. * * @param p_self A pointer to the String. * @param r_text A pointer to the buffer to hold the resulting data. If NULL is passed in, only the length will be computed. * @param p_max_write_length The maximum number of characters that can be written to r_text. It has no affect on the return value. * * @return The resulting encoded string length in characters (not bytes), not including a null terminator. */ typedef GDExtensionInt (*GDExtensionInterfaceStringToLatin1Chars)(GDExtensionConstStringPtr p_self, char *r_text, GDExtensionInt p_max_write_length); /** * @name string_to_utf8_chars * @since 4.1 * * Converts a String to a UTF-8 encoded C string. * * It doesn't write a null terminator. * * @param p_self A pointer to the String. * @param r_text A pointer to the buffer to hold the resulting data. If NULL is passed in, only the length will be computed. * @param p_max_write_length The maximum number of characters that can be written to r_text. It has no affect on the return value. * * @return The resulting encoded string length in characters (not bytes), not including a null terminator. */ typedef GDExtensionInt (*GDExtensionInterfaceStringToUtf8Chars)(GDExtensionConstStringPtr p_self, char *r_text, GDExtensionInt p_max_write_length); /** * @name string_to_utf16_chars * @since 4.1 * * Converts a String to a UTF-16 encoded C string. * * It doesn't write a null terminator. * * @param p_self A pointer to the String. * @param r_text A pointer to the buffer to hold the resulting data. If NULL is passed in, only the length will be computed. * @param p_max_write_length The maximum number of characters that can be written to r_text. It has no affect on the return value. * * @return The resulting encoded string length in characters (not bytes), not including a null terminator. */ typedef GDExtensionInt (*GDExtensionInterfaceStringToUtf16Chars)(GDExtensionConstStringPtr p_self, char16_t *r_text, GDExtensionInt p_max_write_length); /** * @name string_to_utf32_chars * @since 4.1 * * Converts a String to a UTF-32 encoded C string. * * It doesn't write a null terminator. * * @param p_self A pointer to the String. * @param r_text A pointer to the buffer to hold the resulting data. If NULL is passed in, only the length will be computed. * @param p_max_write_length The maximum number of characters that can be written to r_text. It has no affect on the return value. * * @return The resulting encoded string length in characters (not bytes), not including a null terminator. */ typedef GDExtensionInt (*GDExtensionInterfaceStringToUtf32Chars)(GDExtensionConstStringPtr p_self, char32_t *r_text, GDExtensionInt p_max_write_length); /** * @name string_to_wide_chars * @since 4.1 * * Converts a String to a wide C string. * * It doesn't write a null terminator. * * @param p_self A pointer to the String. * @param r_text A pointer to the buffer to hold the resulting data. If NULL is passed in, only the length will be computed. * @param p_max_write_length The maximum number of characters that can be written to r_text. It has no affect on the return value. * * @return The resulting encoded string length in characters (not bytes), not including a null terminator. */ typedef GDExtensionInt (*GDExtensionInterfaceStringToWideChars)(GDExtensionConstStringPtr p_self, wchar_t *r_text, GDExtensionInt p_max_write_length); /** * @name string_operator_index * @since 4.1 * * Gets a pointer to the character at the given index from a String. * * @param p_self A pointer to the String. * @param p_index The index. * * @return A pointer to the requested character. */ typedef char32_t *(*GDExtensionInterfaceStringOperatorIndex)(GDExtensionStringPtr p_self, GDExtensionInt p_index); /** * @name string_operator_index_const * @since 4.1 * * Gets a const pointer to the character at the given index from a String. * * @param p_self A pointer to the String. * @param p_index The index. * * @return A const pointer to the requested character. */ typedef const char32_t *(*GDExtensionInterfaceStringOperatorIndexConst)(GDExtensionConstStringPtr p_self, GDExtensionInt p_index); /** * @name string_operator_plus_eq_string * @since 4.1 * * Appends another String to a String. * * @param p_self A pointer to the String. * @param p_b A pointer to the other String to append. */ typedef void (*GDExtensionInterfaceStringOperatorPlusEqString)(GDExtensionStringPtr p_self, GDExtensionConstStringPtr p_b); /** * @name string_operator_plus_eq_char * @since 4.1 * * Appends a character to a String. * * @param p_self A pointer to the String. * @param p_b A pointer to the character to append. */ typedef void (*GDExtensionInterfaceStringOperatorPlusEqChar)(GDExtensionStringPtr p_self, char32_t p_b); /** * @name string_operator_plus_eq_cstr * @since 4.1 * * Appends a Latin-1 encoded C string to a String. * * @param p_self A pointer to the String. * @param p_b A pointer to a Latin-1 encoded C string (null terminated). */ typedef void (*GDExtensionInterfaceStringOperatorPlusEqCstr)(GDExtensionStringPtr p_self, const char *p_b); /** * @name string_operator_plus_eq_wcstr * @since 4.1 * * Appends a wide C string to a String. * * @param p_self A pointer to the String. * @param p_b A pointer to a wide C string (null terminated). */ typedef void (*GDExtensionInterfaceStringOperatorPlusEqWcstr)(GDExtensionStringPtr p_self, const wchar_t *p_b); /** * @name string_operator_plus_eq_c32str * @since 4.1 * * Appends a UTF-32 encoded C string to a String. * * @param p_self A pointer to the String. * @param p_b A pointer to a UTF-32 encoded C string (null terminated). */ typedef void (*GDExtensionInterfaceStringOperatorPlusEqC32str)(GDExtensionStringPtr p_self, const char32_t *p_b); /** * @name string_resize * @since 4.2 * * Resizes the underlying string data to the given number of characters. * * Space needs to be allocated for the null terminating character ('\0') which * also must be added manually, in order for all string functions to work correctly. * * Warning: This is an error-prone operation - only use it if there's no other * efficient way to accomplish your goal. * * @param p_self A pointer to the String. * @param p_resize The new length for the String. * * @return Error code signifying if the operation successful. */ typedef GDExtensionInt (*GDExtensionInterfaceStringResize)(GDExtensionStringPtr p_self, GDExtensionInt p_resize); /* INTERFACE: StringName Utilities */ /** * @name string_name_new_with_latin1_chars * @since 4.2 * * Creates a StringName from a Latin-1 encoded C string. * * If `p_is_static` is true, then: * - The StringName will reuse the `p_contents` buffer instead of copying it. * You must guarantee that the buffer remains valid for the duration of the application (e.g. string literal). * - You must not call a destructor for this StringName. Incrementing the initial reference once should achieve this. * * `p_is_static` is purely an optimization and can easily introduce undefined behavior if used wrong. In case of doubt, set it to false. * * @param r_dest A pointer to uninitialized storage, into which the newly created StringName is constructed. * @param p_contents A pointer to a C string (null terminated and Latin-1 or ASCII encoded). * @param p_is_static Whether the StringName reuses the buffer directly (see above). */ typedef void (*GDExtensionInterfaceStringNameNewWithLatin1Chars)(GDExtensionUninitializedStringNamePtr r_dest, const char *p_contents, GDExtensionBool p_is_static); /** * @name string_name_new_with_utf8_chars * @since 4.2 * * Creates a StringName from a UTF-8 encoded C string. * * @param r_dest A pointer to uninitialized storage, into which the newly created StringName is constructed. * @param p_contents A pointer to a C string (null terminated and UTF-8 encoded). */ typedef void (*GDExtensionInterfaceStringNameNewWithUtf8Chars)(GDExtensionUninitializedStringNamePtr r_dest, const char *p_contents); /** * @name string_name_new_with_utf8_chars_and_len * @since 4.2 * * Creates a StringName from a UTF-8 encoded string with a given number of characters. * * @param r_dest A pointer to uninitialized storage, into which the newly created StringName is constructed. * @param p_contents A pointer to a C string (null terminated and UTF-8 encoded). * @param p_size The number of bytes (not UTF-8 code points). */ typedef void (*GDExtensionInterfaceStringNameNewWithUtf8CharsAndLen)(GDExtensionUninitializedStringNamePtr r_dest, const char *p_contents, GDExtensionInt p_size); /* INTERFACE: XMLParser Utilities */ /** * @name xml_parser_open_buffer * @since 4.1 * * Opens a raw XML buffer on an XMLParser instance. * * @param p_instance A pointer to an XMLParser object. * @param p_buffer A pointer to the buffer. * @param p_size The size of the buffer. * * @return A Godot error code (ex. OK, ERR_INVALID_DATA, etc). * * @see XMLParser::open_buffer() */ typedef GDExtensionInt (*GDExtensionInterfaceXmlParserOpenBuffer)(GDExtensionObjectPtr p_instance, const uint8_t *p_buffer, size_t p_size); /* INTERFACE: FileAccess Utilities */ /** * @name file_access_store_buffer * @since 4.1 * * Stores the given buffer using an instance of FileAccess. * * @param p_instance A pointer to a FileAccess object. * @param p_src A pointer to the buffer. * @param p_length The size of the buffer. * * @see FileAccess::store_buffer() */ typedef void (*GDExtensionInterfaceFileAccessStoreBuffer)(GDExtensionObjectPtr p_instance, const uint8_t *p_src, uint64_t p_length); /** * @name file_access_get_buffer * @since 4.1 * * Reads the next p_length bytes into the given buffer using an instance of FileAccess. * * @param p_instance A pointer to a FileAccess object. * @param p_dst A pointer to the buffer to store the data. * @param p_length The requested number of bytes to read. * * @return The actual number of bytes read (may be less than requested). */ typedef uint64_t (*GDExtensionInterfaceFileAccessGetBuffer)(GDExtensionConstObjectPtr p_instance, uint8_t *p_dst, uint64_t p_length); /* INTERFACE: WorkerThreadPool Utilities */ /** * @name worker_thread_pool_add_native_group_task * @since 4.1 * * Adds a group task to an instance of WorkerThreadPool. * * @param p_instance A pointer to a WorkerThreadPool object. * @param p_func A pointer to a function to run in the thread pool. * @param p_userdata A pointer to arbitrary data which will be passed to p_func. * @param p_tasks The number of tasks needed in the group. * @param p_high_priority Whether or not this is a high priority task. * @param p_description A pointer to a String with the task description. * * @return The task group ID. * * @see WorkerThreadPool::add_group_task() */ typedef int64_t (*GDExtensionInterfaceWorkerThreadPoolAddNativeGroupTask)(GDExtensionObjectPtr p_instance, void (*p_func)(void *, uint32_t), void *p_userdata, int p_elements, int p_tasks, GDExtensionBool p_high_priority, GDExtensionConstStringPtr p_description); /** * @name worker_thread_pool_add_native_task * @since 4.1 * * Adds a task to an instance of WorkerThreadPool. * * @param p_instance A pointer to a WorkerThreadPool object. * @param p_func A pointer to a function to run in the thread pool. * @param p_userdata A pointer to arbitrary data which will be passed to p_func. * @param p_high_priority Whether or not this is a high priority task. * @param p_description A pointer to a String with the task description. * * @return The task ID. */ typedef int64_t (*GDExtensionInterfaceWorkerThreadPoolAddNativeTask)(GDExtensionObjectPtr p_instance, void (*p_func)(void *), void *p_userdata, GDExtensionBool p_high_priority, GDExtensionConstStringPtr p_description); /* INTERFACE: Packed Array */ /** * @name packed_byte_array_operator_index * @since 4.1 * * Gets a pointer to a byte in a PackedByteArray. * * @param p_self A pointer to a PackedByteArray object. * @param p_index The index of the byte to get. * * @return A pointer to the requested byte. */ typedef uint8_t *(*GDExtensionInterfacePackedByteArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name packed_byte_array_operator_index_const * @since 4.1 * * Gets a const pointer to a byte in a PackedByteArray. * * @param p_self A const pointer to a PackedByteArray object. * @param p_index The index of the byte to get. * * @return A const pointer to the requested byte. */ typedef const uint8_t *(*GDExtensionInterfacePackedByteArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name packed_float32_array_operator_index * @since 4.1 * * Gets a pointer to a 32-bit float in a PackedFloat32Array. * * @param p_self A pointer to a PackedFloat32Array object. * @param p_index The index of the float to get. * * @return A pointer to the requested 32-bit float. */ typedef float *(*GDExtensionInterfacePackedFloat32ArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name packed_float32_array_operator_index_const * @since 4.1 * * Gets a const pointer to a 32-bit float in a PackedFloat32Array. * * @param p_self A const pointer to a PackedFloat32Array object. * @param p_index The index of the float to get. * * @return A const pointer to the requested 32-bit float. */ typedef const float *(*GDExtensionInterfacePackedFloat32ArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name packed_float64_array_operator_index * @since 4.1 * * Gets a pointer to a 64-bit float in a PackedFloat64Array. * * @param p_self A pointer to a PackedFloat64Array object. * @param p_index The index of the float to get. * * @return A pointer to the requested 64-bit float. */ typedef double *(*GDExtensionInterfacePackedFloat64ArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name packed_float64_array_operator_index_const * @since 4.1 * * Gets a const pointer to a 64-bit float in a PackedFloat64Array. * * @param p_self A const pointer to a PackedFloat64Array object. * @param p_index The index of the float to get. * * @return A const pointer to the requested 64-bit float. */ typedef const double *(*GDExtensionInterfacePackedFloat64ArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name packed_int32_array_operator_index * @since 4.1 * * Gets a pointer to a 32-bit integer in a PackedInt32Array. * * @param p_self A pointer to a PackedInt32Array object. * @param p_index The index of the integer to get. * * @return A pointer to the requested 32-bit integer. */ typedef int32_t *(*GDExtensionInterfacePackedInt32ArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name packed_int32_array_operator_index_const * @since 4.1 * * Gets a const pointer to a 32-bit integer in a PackedInt32Array. * * @param p_self A const pointer to a PackedInt32Array object. * @param p_index The index of the integer to get. * * @return A const pointer to the requested 32-bit integer. */ typedef const int32_t *(*GDExtensionInterfacePackedInt32ArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name packed_int64_array_operator_index * @since 4.1 * * Gets a pointer to a 64-bit integer in a PackedInt64Array. * * @param p_self A pointer to a PackedInt64Array object. * @param p_index The index of the integer to get. * * @return A pointer to the requested 64-bit integer. */ typedef int64_t *(*GDExtensionInterfacePackedInt64ArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name packed_int64_array_operator_index_const * @since 4.1 * * Gets a const pointer to a 64-bit integer in a PackedInt64Array. * * @param p_self A const pointer to a PackedInt64Array object. * @param p_index The index of the integer to get. * * @return A const pointer to the requested 64-bit integer. */ typedef const int64_t *(*GDExtensionInterfacePackedInt64ArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name packed_string_array_operator_index * @since 4.1 * * Gets a pointer to a string in a PackedStringArray. * * @param p_self A pointer to a PackedStringArray object. * @param p_index The index of the String to get. * * @return A pointer to the requested String. */ typedef GDExtensionStringPtr (*GDExtensionInterfacePackedStringArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name packed_string_array_operator_index_const * @since 4.1 * * Gets a const pointer to a string in a PackedStringArray. * * @param p_self A const pointer to a PackedStringArray object. * @param p_index The index of the String to get. * * @return A const pointer to the requested String. */ typedef GDExtensionStringPtr (*GDExtensionInterfacePackedStringArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name packed_vector2_array_operator_index * @since 4.1 * * Gets a pointer to a Vector2 in a PackedVector2Array. * * @param p_self A pointer to a PackedVector2Array object. * @param p_index The index of the Vector2 to get. * * @return A pointer to the requested Vector2. */ typedef GDExtensionTypePtr (*GDExtensionInterfacePackedVector2ArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name packed_vector2_array_operator_index_const * @since 4.1 * * Gets a const pointer to a Vector2 in a PackedVector2Array. * * @param p_self A const pointer to a PackedVector2Array object. * @param p_index The index of the Vector2 to get. * * @return A const pointer to the requested Vector2. */ typedef GDExtensionTypePtr (*GDExtensionInterfacePackedVector2ArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name packed_vector3_array_operator_index * @since 4.1 * * Gets a pointer to a Vector3 in a PackedVector3Array. * * @param p_self A pointer to a PackedVector3Array object. * @param p_index The index of the Vector3 to get. * * @return A pointer to the requested Vector3. */ typedef GDExtensionTypePtr (*GDExtensionInterfacePackedVector3ArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name packed_vector3_array_operator_index_const * @since 4.1 * * Gets a const pointer to a Vector3 in a PackedVector3Array. * * @param p_self A const pointer to a PackedVector3Array object. * @param p_index The index of the Vector3 to get. * * @return A const pointer to the requested Vector3. */ typedef GDExtensionTypePtr (*GDExtensionInterfacePackedVector3ArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name packed_vector4_array_operator_index * @since 4.3 * * Gets a pointer to a Vector4 in a PackedVector4Array. * * @param p_self A pointer to a PackedVector4Array object. * @param p_index The index of the Vector4 to get. * * @return A pointer to the requested Vector4. */ typedef GDExtensionTypePtr (*GDExtensionInterfacePackedVector4ArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name packed_vector4_array_operator_index_const * @since 4.3 * * Gets a const pointer to a Vector4 in a PackedVector4Array. * * @param p_self A const pointer to a PackedVector4Array object. * @param p_index The index of the Vector4 to get. * * @return A const pointer to the requested Vector4. */ typedef GDExtensionTypePtr (*GDExtensionInterfacePackedVector4ArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name packed_color_array_operator_index * @since 4.1 * * Gets a pointer to a color in a PackedColorArray. * * @param p_self A pointer to a PackedColorArray object. * @param p_index The index of the Color to get. * * @return A pointer to the requested Color. */ typedef GDExtensionTypePtr (*GDExtensionInterfacePackedColorArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name packed_color_array_operator_index_const * @since 4.1 * * Gets a const pointer to a color in a PackedColorArray. * * @param p_self A const pointer to a PackedColorArray object. * @param p_index The index of the Color to get. * * @return A const pointer to the requested Color. */ typedef GDExtensionTypePtr (*GDExtensionInterfacePackedColorArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name array_operator_index * @since 4.1 * * Gets a pointer to a Variant in an Array. * * @param p_self A pointer to an Array object. * @param p_index The index of the Variant to get. * * @return A pointer to the requested Variant. */ typedef GDExtensionVariantPtr (*GDExtensionInterfaceArrayOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionInt p_index); /** * @name array_operator_index_const * @since 4.1 * * Gets a const pointer to a Variant in an Array. * * @param p_self A const pointer to an Array object. * @param p_index The index of the Variant to get. * * @return A const pointer to the requested Variant. */ typedef GDExtensionVariantPtr (*GDExtensionInterfaceArrayOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionInt p_index); /** * @name array_ref * @since 4.1 * * Sets an Array to be a reference to another Array object. * * @param p_self A pointer to the Array object to update. * @param p_from A pointer to the Array object to reference. */ typedef void (*GDExtensionInterfaceArrayRef)(GDExtensionTypePtr p_self, GDExtensionConstTypePtr p_from); /** * @name array_set_typed * @since 4.1 * * Makes an Array into a typed Array. * * @param p_self A pointer to the Array. * @param p_type The type of Variant the Array will store. * @param p_class_name A pointer to a StringName with the name of the object (if p_type is GDEXTENSION_VARIANT_TYPE_OBJECT). * @param p_script A pointer to a Script object (if p_type is GDEXTENSION_VARIANT_TYPE_OBJECT and the base class is extended by a script). */ typedef void (*GDExtensionInterfaceArraySetTyped)(GDExtensionTypePtr p_self, GDExtensionVariantType p_type, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstVariantPtr p_script); /* INTERFACE: Dictionary */ /** * @name dictionary_operator_index * @since 4.1 * * Gets a pointer to a Variant in a Dictionary with the given key. * * @param p_self A pointer to a Dictionary object. * @param p_key A pointer to a Variant representing the key. * * @return A pointer to a Variant representing the value at the given key. */ typedef GDExtensionVariantPtr (*GDExtensionInterfaceDictionaryOperatorIndex)(GDExtensionTypePtr p_self, GDExtensionConstVariantPtr p_key); /** * @name dictionary_operator_index_const * @since 4.1 * * Gets a const pointer to a Variant in a Dictionary with the given key. * * @param p_self A const pointer to a Dictionary object. * @param p_key A pointer to a Variant representing the key. * * @return A const pointer to a Variant representing the value at the given key. */ typedef GDExtensionVariantPtr (*GDExtensionInterfaceDictionaryOperatorIndexConst)(GDExtensionConstTypePtr p_self, GDExtensionConstVariantPtr p_key); /* INTERFACE: Object */ /** * @name object_method_bind_call * @since 4.1 * * Calls a method on an Object. * * @param p_method_bind A pointer to the MethodBind representing the method on the Object's class. * @param p_instance A pointer to the Object. * @param p_args A pointer to a C array of Variants representing the arguments. * @param p_arg_count The number of arguments. * @param r_ret A pointer to Variant which will receive the return value. * @param r_error A pointer to a GDExtensionCallError struct that will receive error information. */ typedef void (*GDExtensionInterfaceObjectMethodBindCall)(GDExtensionMethodBindPtr p_method_bind, GDExtensionObjectPtr p_instance, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_arg_count, GDExtensionUninitializedVariantPtr r_ret, GDExtensionCallError *r_error); /** * @name object_method_bind_ptrcall * @since 4.1 * * Calls a method on an Object (using a "ptrcall"). * * @param p_method_bind A pointer to the MethodBind representing the method on the Object's class. * @param p_instance A pointer to the Object. * @param p_args A pointer to a C array representing the arguments. * @param r_ret A pointer to the Object that will receive the return value. */ typedef void (*GDExtensionInterfaceObjectMethodBindPtrcall)(GDExtensionMethodBindPtr p_method_bind, GDExtensionObjectPtr p_instance, const GDExtensionConstTypePtr *p_args, GDExtensionTypePtr r_ret); /** * @name object_destroy * @since 4.1 * * Destroys an Object. * * @param p_o A pointer to the Object. */ typedef void (*GDExtensionInterfaceObjectDestroy)(GDExtensionObjectPtr p_o); /** * @name global_get_singleton * @since 4.1 * * Gets a global singleton by name. * * @param p_name A pointer to a StringName with the singleton name. * * @return A pointer to the singleton Object. */ typedef GDExtensionObjectPtr (*GDExtensionInterfaceGlobalGetSingleton)(GDExtensionConstStringNamePtr p_name); /** * @name object_get_instance_binding * @since 4.1 * * Gets a pointer representing an Object's instance binding. * * @param p_o A pointer to the Object. * @param p_library A token the library received by the GDExtension's entry point function. * @param p_callbacks A pointer to a GDExtensionInstanceBindingCallbacks struct. * * @return */ typedef void *(*GDExtensionInterfaceObjectGetInstanceBinding)(GDExtensionObjectPtr p_o, void *p_token, const GDExtensionInstanceBindingCallbacks *p_callbacks); /** * @name object_set_instance_binding * @since 4.1 * * Sets an Object's instance binding. * * @param p_o A pointer to the Object. * @param p_library A token the library received by the GDExtension's entry point function. * @param p_binding A pointer to the instance binding. * @param p_callbacks A pointer to a GDExtensionInstanceBindingCallbacks struct. */ typedef void (*GDExtensionInterfaceObjectSetInstanceBinding)(GDExtensionObjectPtr p_o, void *p_token, void *p_binding, const GDExtensionInstanceBindingCallbacks *p_callbacks); /** * @name object_free_instance_binding * @since 4.2 * * Free an Object's instance binding. * * @param p_o A pointer to the Object. * @param p_library A token the library received by the GDExtension's entry point function. */ typedef void (*GDExtensionInterfaceObjectFreeInstanceBinding)(GDExtensionObjectPtr p_o, void *p_token); /** * @name object_set_instance * @since 4.1 * * Sets an extension class instance on a Object. * * @param p_o A pointer to the Object. * @param p_classname A pointer to a StringName with the registered extension class's name. * @param p_instance A pointer to the extension class instance. */ typedef void (*GDExtensionInterfaceObjectSetInstance)(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. */ /** * @name object_get_class_name * @since 4.1 * * Gets the class name of an Object. * * @param p_object A pointer to the Object. * @param p_library A pointer the library received by the GDExtension's entry point function. * @param r_class_name A pointer to a String to receive the class name. * * @return true if successful in getting the class name; otherwise false. */ typedef GDExtensionBool (*GDExtensionInterfaceObjectGetClassName)(GDExtensionConstObjectPtr p_object, GDExtensionClassLibraryPtr p_library, GDExtensionUninitializedStringNamePtr r_class_name); /** * @name object_cast_to * @since 4.1 * * Casts an Object to a different type. * * @param p_object A pointer to the Object. * @param p_class_tag A pointer uniquely identifying a built-in class in the ClassDB. * * @return Returns a pointer to the Object, or NULL if it can't be cast to the requested type. */ typedef GDExtensionObjectPtr (*GDExtensionInterfaceObjectCastTo)(GDExtensionConstObjectPtr p_object, void *p_class_tag); /** * @name object_get_instance_from_id * @since 4.1 * * Gets an Object by its instance ID. * * @param p_instance_id The instance ID. * * @return A pointer to the Object. */ typedef GDExtensionObjectPtr (*GDExtensionInterfaceObjectGetInstanceFromId)(GDObjectInstanceID p_instance_id); /** * @name object_get_instance_id * @since 4.1 * * Gets the instance ID from an Object. * * @param p_object A pointer to the Object. * * @return The instance ID. */ typedef GDObjectInstanceID (*GDExtensionInterfaceObjectGetInstanceId)(GDExtensionConstObjectPtr p_object); /** * @name object_has_script_method * @since 4.3 * * Checks if this object has a script with the given method. * * @param p_object A pointer to the Object. * @param p_method A pointer to a StringName identifying the method. * * @returns true if the object has a script and that script has a method with the given name. Returns false if the object has no script. */ typedef GDExtensionBool (*GDExtensionInterfaceObjectHasScriptMethod)(GDExtensionConstObjectPtr p_object, GDExtensionConstStringNamePtr p_method); /** * @name object_call_script_method * @since 4.3 * * Call the given script method on this object. * * @param p_object A pointer to the Object. * @param p_method A pointer to a StringName identifying the method. * @param p_args A pointer to a C array of Variant. * @param p_argument_count The number of arguments. * @param r_return A pointer a Variant which will be assigned the return value. * @param r_error A pointer the structure which will hold error information. */ typedef void (*GDExtensionInterfaceObjectCallScriptMethod)(GDExtensionObjectPtr p_object, GDExtensionConstStringNamePtr p_method, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_argument_count, GDExtensionUninitializedVariantPtr r_return, GDExtensionCallError *r_error); /* INTERFACE: Reference */ /** * @name ref_get_object * @since 4.1 * * Gets the Object from a reference. * * @param p_ref A pointer to the reference. * * @return A pointer to the Object from the reference or NULL. */ typedef GDExtensionObjectPtr (*GDExtensionInterfaceRefGetObject)(GDExtensionConstRefPtr p_ref); /** * @name ref_set_object * @since 4.1 * * Sets the Object referred to by a reference. * * @param p_ref A pointer to the reference. * @param p_object A pointer to the Object to refer to. */ typedef void (*GDExtensionInterfaceRefSetObject)(GDExtensionRefPtr p_ref, GDExtensionObjectPtr p_object); /* INTERFACE: Script Instance */ /** * @name script_instance_create * @since 4.1 * @deprecated in Godot 4.2. Use `script_instance_create3` instead. * * Creates a script instance that contains the given info and instance data. * * @param p_info A pointer to a GDExtensionScriptInstanceInfo struct. * @param p_instance_data A pointer to a data representing the script instance in the GDExtension. This will be passed to all the function pointers on p_info. * * @return A pointer to a ScriptInstanceExtension object. */ typedef GDExtensionScriptInstancePtr (*GDExtensionInterfaceScriptInstanceCreate)(const GDExtensionScriptInstanceInfo *p_info, GDExtensionScriptInstanceDataPtr p_instance_data); /** * @name script_instance_create2 * @since 4.2 * @deprecated in Godot 4.3. Use `script_instance_create3` instead. * * Creates a script instance that contains the given info and instance data. * * @param p_info A pointer to a GDExtensionScriptInstanceInfo2 struct. * @param p_instance_data A pointer to a data representing the script instance in the GDExtension. This will be passed to all the function pointers on p_info. * * @return A pointer to a ScriptInstanceExtension object. */ typedef GDExtensionScriptInstancePtr (*GDExtensionInterfaceScriptInstanceCreate2)(const GDExtensionScriptInstanceInfo2 *p_info, GDExtensionScriptInstanceDataPtr p_instance_data); /** * @name script_instance_create3 * @since 4.3 * * Creates a script instance that contains the given info and instance data. * * @param p_info A pointer to a GDExtensionScriptInstanceInfo3 struct. * @param p_instance_data A pointer to a data representing the script instance in the GDExtension. This will be passed to all the function pointers on p_info. * * @return A pointer to a ScriptInstanceExtension object. */ typedef GDExtensionScriptInstancePtr (*GDExtensionInterfaceScriptInstanceCreate3)(const GDExtensionScriptInstanceInfo3 *p_info, GDExtensionScriptInstanceDataPtr p_instance_data); /** * @name placeholder_script_instance_create * @since 4.2 * * Creates a placeholder script instance for a given script and instance. * * This interface is optional as a custom placeholder could also be created with script_instance_create(). * * @param p_language A pointer to a ScriptLanguage. * @param p_script A pointer to a Script. * @param p_owner A pointer to an Object. * * @return A pointer to a PlaceHolderScriptInstance object. */ typedef GDExtensionScriptInstancePtr (*GDExtensionInterfacePlaceHolderScriptInstanceCreate)(GDExtensionObjectPtr p_language, GDExtensionObjectPtr p_script, GDExtensionObjectPtr p_owner); /** * @name placeholder_script_instance_update * @since 4.2 * * Updates a placeholder script instance with the given properties and values. * * The passed in placeholder must be an instance of PlaceHolderScriptInstance * such as the one returned by placeholder_script_instance_create(). * * @param p_placeholder A pointer to a PlaceHolderScriptInstance. * @param p_properties A pointer to an Array of Dictionary representing PropertyInfo. * @param p_values A pointer to a Dictionary mapping StringName to Variant values. */ typedef void (*GDExtensionInterfacePlaceHolderScriptInstanceUpdate)(GDExtensionScriptInstancePtr p_placeholder, GDExtensionConstTypePtr p_properties, GDExtensionConstTypePtr p_values); /** * @name object_get_script_instance * @since 4.2 * * Get the script instance data attached to this object. * * @param p_object A pointer to the Object. * @param p_language A pointer to the language expected for this script instance. * * @return A GDExtensionScriptInstanceDataPtr that was attached to this object as part of script_instance_create. */ typedef GDExtensionScriptInstanceDataPtr (*GDExtensionInterfaceObjectGetScriptInstance)(GDExtensionConstObjectPtr p_object, GDExtensionObjectPtr p_language); /* INTERFACE: Callable */ /** * @name callable_custom_create * @since 4.2 * @deprecated in Godot 4.3. Use `callable_custom_create2` instead. * * Creates a custom Callable object from a function pointer. * * Provided struct can be safely freed once the function returns. * * @param r_callable A pointer that will receive the new Callable. * @param p_callable_custom_info The info required to construct a Callable. */ typedef void (*GDExtensionInterfaceCallableCustomCreate)(GDExtensionUninitializedTypePtr r_callable, GDExtensionCallableCustomInfo *p_callable_custom_info); /** * @name callable_custom_create2 * @since 4.3 * * Creates a custom Callable object from a function pointer. * * Provided struct can be safely freed once the function returns. * * @param r_callable A pointer that will receive the new Callable. * @param p_callable_custom_info The info required to construct a Callable. */ typedef void (*GDExtensionInterfaceCallableCustomCreate2)(GDExtensionUninitializedTypePtr r_callable, GDExtensionCallableCustomInfo2 *p_callable_custom_info); /** * @name callable_custom_get_userdata * @since 4.2 * * Retrieves the userdata pointer from a custom Callable. * * If the Callable is not a custom Callable or the token does not match the one provided to callable_custom_create() via GDExtensionCallableCustomInfo then NULL will be returned. * * @param p_callable A pointer to a Callable. * @param p_token A pointer to an address that uniquely identifies the GDExtension. */ typedef void *(*GDExtensionInterfaceCallableCustomGetUserData)(GDExtensionConstTypePtr p_callable, void *p_token); /* INTERFACE: ClassDB */ /** * @name classdb_construct_object * @since 4.1 * * Constructs an Object of the requested class. * * The passed class must be a built-in godot class, or an already-registered extension class. In both cases, object_set_instance() should be called to fully initialize the object. * * @param p_classname A pointer to a StringName with the class name. * * @return A pointer to the newly created Object. */ typedef GDExtensionObjectPtr (*GDExtensionInterfaceClassdbConstructObject)(GDExtensionConstStringNamePtr p_classname); /** * @name classdb_get_method_bind * @since 4.1 * * Gets a pointer to the MethodBind in ClassDB for the given class, method and hash. * * @param p_classname A pointer to a StringName with the class name. * @param p_methodname A pointer to a StringName with the method name. * @param p_hash A hash representing the function signature. * * @return A pointer to the MethodBind from ClassDB. */ typedef GDExtensionMethodBindPtr (*GDExtensionInterfaceClassdbGetMethodBind)(GDExtensionConstStringNamePtr p_classname, GDExtensionConstStringNamePtr p_methodname, GDExtensionInt p_hash); /** * @name classdb_get_class_tag * @since 4.1 * * Gets a pointer uniquely identifying the given built-in class in the ClassDB. * * @param p_classname A pointer to a StringName with the class name. * * @return A pointer uniquely identifying the built-in class in the ClassDB. */ typedef void *(*GDExtensionInterfaceClassdbGetClassTag)(GDExtensionConstStringNamePtr p_classname); /* INTERFACE: ClassDB Extension */ /** * @name classdb_register_extension_class * @since 4.1 * @deprecated in Godot 4.2. Use `classdb_register_extension_class2` instead. * * Registers an extension class in the ClassDB. * * Provided struct can be safely freed once the function returns. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_parent_class_name A pointer to a StringName with the parent class name. * @param p_extension_funcs A pointer to a GDExtensionClassCreationInfo struct. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClass)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo *p_extension_funcs); /** * @name classdb_register_extension_class2 * @since 4.2 * * Registers an extension class in the ClassDB. * * Provided struct can be safely freed once the function returns. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_parent_class_name A pointer to a StringName with the parent class name. * @param p_extension_funcs A pointer to a GDExtensionClassCreationInfo2 struct. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClass2)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo2 *p_extension_funcs); /** * @name classdb_register_extension_class3 * @since 4.3 * * Registers an extension class in the ClassDB. * * Provided struct can be safely freed once the function returns. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_parent_class_name A pointer to a StringName with the parent class name. * @param p_extension_funcs A pointer to a GDExtensionClassCreationInfo2 struct. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClass3)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_parent_class_name, const GDExtensionClassCreationInfo3 *p_extension_funcs); /** * @name classdb_register_extension_class_method * @since 4.1 * * Registers a method on an extension class in the ClassDB. * * Provided struct can be safely freed once the function returns. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_method_info A pointer to a GDExtensionClassMethodInfo struct. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassMethod)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionClassMethodInfo *p_method_info); /** * @name classdb_register_extension_class_virtual_method * @since 4.3 * * Registers a virtual method on an extension class in ClassDB, that can be implemented by scripts or other extensions. * * Provided struct can be safely freed once the function returns. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_method_info A pointer to a GDExtensionClassMethodInfo struct. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassVirtualMethod)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionClassVirtualMethodInfo *p_method_info); /** * @name classdb_register_extension_class_integer_constant * @since 4.1 * * Registers an integer constant on an extension class in the ClassDB. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_enum_name A pointer to a StringName with the enum name. * @param p_constant_name A pointer to a StringName with the constant name. * @param p_constant_value The constant value. * @param p_is_bitfield Whether or not this is a bit field. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassIntegerConstant)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_enum_name, GDExtensionConstStringNamePtr p_constant_name, GDExtensionInt p_constant_value, GDExtensionBool p_is_bitfield); /** * @name classdb_register_extension_class_property * @since 4.1 * * Registers a property on an extension class in the ClassDB. * * Provided struct can be safely freed once the function returns. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_info A pointer to a GDExtensionPropertyInfo struct. * @param p_setter A pointer to a StringName with the name of the setter method. * @param p_getter A pointer to a StringName with the name of the getter method. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassProperty)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionPropertyInfo *p_info, GDExtensionConstStringNamePtr p_setter, GDExtensionConstStringNamePtr p_getter); /** * @name classdb_register_extension_class_property_indexed * @since 4.2 * * Registers an indexed property on an extension class in the ClassDB. * * Provided struct can be safely freed once the function returns. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_info A pointer to a GDExtensionPropertyInfo struct. * @param p_setter A pointer to a StringName with the name of the setter method. * @param p_getter A pointer to a StringName with the name of the getter method. * @param p_index The index to pass as the first argument to the getter and setter methods. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassPropertyIndexed)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionPropertyInfo *p_info, GDExtensionConstStringNamePtr p_setter, GDExtensionConstStringNamePtr p_getter, GDExtensionInt p_index); /** * @name classdb_register_extension_class_property_group * @since 4.1 * * Registers a property group on an extension class in the ClassDB. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_group_name A pointer to a String with the group name. * @param p_prefix A pointer to a String with the prefix used by properties in this group. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassPropertyGroup)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringPtr p_group_name, GDExtensionConstStringPtr p_prefix); /** * @name classdb_register_extension_class_property_subgroup * @since 4.1 * * Registers a property subgroup on an extension class in the ClassDB. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_subgroup_name A pointer to a String with the subgroup name. * @param p_prefix A pointer to a String with the prefix used by properties in this subgroup. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassPropertySubgroup)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringPtr p_subgroup_name, GDExtensionConstStringPtr p_prefix); /** * @name classdb_register_extension_class_signal * @since 4.1 * * Registers a signal on an extension class in the ClassDB. * * Provided structs can be safely freed once the function returns. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. * @param p_signal_name A pointer to a StringName with the signal name. * @param p_argument_info A pointer to a GDExtensionPropertyInfo struct. * @param p_argument_count The number of arguments the signal receives. */ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassSignal)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, GDExtensionConstStringNamePtr p_signal_name, const GDExtensionPropertyInfo *p_argument_info, GDExtensionInt p_argument_count); /** * @name classdb_unregister_extension_class * @since 4.1 * * Unregisters an extension class in the ClassDB. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param p_class_name A pointer to a StringName with the class name. */ typedef void (*GDExtensionInterfaceClassdbUnregisterExtensionClass)(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. */ /** * @name get_library_path * @since 4.1 * * Gets the path to the current GDExtension library. * * @param p_library A pointer the library received by the GDExtension's entry point function. * @param r_path A pointer to a String which will receive the path. */ typedef void (*GDExtensionInterfaceGetLibraryPath)(GDExtensionClassLibraryPtr p_library, GDExtensionUninitializedStringPtr r_path); /** * @name editor_add_plugin * @since 4.1 * * Adds an editor plugin. * * It's safe to call during initialization. * * @param p_class_name A pointer to a StringName with the name of a class (descending from EditorPlugin) which is already registered with ClassDB. */ typedef void (*GDExtensionInterfaceEditorAddPlugin)(GDExtensionConstStringNamePtr p_class_name); /** * @name editor_remove_plugin * @since 4.1 * * Removes an editor plugin. * * @param p_class_name A pointer to a StringName with the name of a class that was previously added as an editor plugin. */ typedef void (*GDExtensionInterfaceEditorRemovePlugin)(GDExtensionConstStringNamePtr p_class_name); #ifdef __cplusplus } #endif #endif // GDEXTENSION_INTERFACE_H