godot/modules/nativescript/godot_nativescript.h

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/*  godot.h                                                              */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md)    */
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#ifndef GODOT_NATIVESCRIPT_H
#define GODOT_NATIVESCRIPT_H

#include <godot/gdnative.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifdef GDAPI_BUILT_IN
#define GDAPI_EXPORT
#endif

#ifdef _WIN32
#if defined(GDAPI_EXPORT)
#define GDCALLINGCONV
#define GDAPI __declspec(dllexport) GDCALLINGCONV
#else
#define GDCALLINGCONV
#define GDAPI __declspec(dllimport) GDCALLINGCONV
#endif
#elif defined(__APPLE__)
#include "TargetConditionals.h"
#if TARGET_OS_IPHONE
#define GDCALLINGCONV
#define GDAPI
#elif TARGET_OS_MAC
#define GDCALLINGCONV __attribute__((sysv_abi))
#define GDAPI GDCALLINGCONV
#endif
#else
#define GDCALLINGCONV __attribute__((sysv_abi))
#define GDAPI GDCALLINGCONV
#endif

// This is for libraries *using* the header, NOT GODOT EXPOSING STUFF!!
#ifdef _WIN32
#define GDN_EXPORT __declspec(dllexport)
#else
#define GDN_EXPORT
#endif

#include <stdbool.h>
#include <stdint.h>

typedef enum {
	GODOT_METHOD_RPC_MODE_DISABLED,
	GODOT_METHOD_RPC_MODE_REMOTE,
	GODOT_METHOD_RPC_MODE_SYNC,
	GODOT_METHOD_RPC_MODE_MASTER,
	GODOT_METHOD_RPC_MODE_SLAVE,
} godot_method_rpc_mode;

typedef enum {
	GODOT_PROPERTY_HINT_NONE, ///< no hint provided.
	GODOT_PROPERTY_HINT_RANGE, ///< hint_text = "min,max,step,slider; //slider is optional"
	GODOT_PROPERTY_HINT_EXP_RANGE, ///< hint_text = "min,max,step", exponential edit
	GODOT_PROPERTY_HINT_ENUM, ///< hint_text= "val1,val2,val3,etc"
	GODOT_PROPERTY_HINT_EXP_EASING, /// exponential easing funciton (Math::ease)
	GODOT_PROPERTY_HINT_LENGTH, ///< hint_text= "length" (as integer)
	GODOT_PROPERTY_HINT_SPRITE_FRAME,
	GODOT_PROPERTY_HINT_KEY_ACCEL, ///< hint_text= "length" (as integer)
	GODOT_PROPERTY_HINT_FLAGS, ///< hint_text= "flag1,flag2,etc" (as bit flags)
	GODOT_PROPERTY_HINT_LAYERS_2D_RENDER,
	GODOT_PROPERTY_HINT_LAYERS_2D_PHYSICS,
	GODOT_PROPERTY_HINT_LAYERS_3D_RENDER,
	GODOT_PROPERTY_HINT_LAYERS_3D_PHYSICS,
	GODOT_PROPERTY_HINT_FILE, ///< a file path must be passed, hint_text (optionally) is a filter "*.png,*.wav,*.doc,"
	GODOT_PROPERTY_HINT_DIR, ///< a directort path must be passed
	GODOT_PROPERTY_HINT_GLOBAL_FILE, ///< a file path must be passed, hint_text (optionally) is a filter "*.png,*.wav,*.doc,"
	GODOT_PROPERTY_HINT_GLOBAL_DIR, ///< a directort path must be passed
	GODOT_PROPERTY_HINT_RESOURCE_TYPE, ///< a resource object type
	GODOT_PROPERTY_HINT_MULTILINE_TEXT, ///< used for string properties that can contain multiple lines
	GODOT_PROPERTY_HINT_COLOR_NO_ALPHA, ///< used for ignoring alpha component when editing a color
	GODOT_PROPERTY_HINT_IMAGE_COMPRESS_LOSSY,
	GODOT_PROPERTY_HINT_IMAGE_COMPRESS_LOSSLESS,
	GODOT_PROPERTY_HINT_OBJECT_ID,
	GODOT_PROPERTY_HINT_TYPE_STRING, ///< a type string, the hint is the base type to choose
	GODOT_PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE, ///< so something else can provide this (used in scripts)
	GODOT_PROPERTY_HINT_METHOD_OF_VARIANT_TYPE, ///< a method of a type
	GODOT_PROPERTY_HINT_METHOD_OF_BASE_TYPE, ///< a method of a base type
	GODOT_PROPERTY_HINT_METHOD_OF_INSTANCE, ///< a method of an instance
	GODOT_PROPERTY_HINT_METHOD_OF_SCRIPT, ///< a method of a script & base
	GODOT_PROPERTY_HINT_PROPERTY_OF_VARIANT_TYPE, ///< a property of a type
	GODOT_PROPERTY_HINT_PROPERTY_OF_BASE_TYPE, ///< a property of a base type
	GODOT_PROPERTY_HINT_PROPERTY_OF_INSTANCE, ///< a property of an instance
	GODOT_PROPERTY_HINT_PROPERTY_OF_SCRIPT, ///< a property of a script & base
	GODOT_PROPERTY_HINT_MAX,
} godot_property_hint;

typedef enum {

	GODOT_PROPERTY_USAGE_STORAGE = 1,
	GODOT_PROPERTY_USAGE_EDITOR = 2,
	GODOT_PROPERTY_USAGE_NETWORK = 4,
	GODOT_PROPERTY_USAGE_EDITOR_HELPER = 8,
	GODOT_PROPERTY_USAGE_CHECKABLE = 16, //used for editing global variables
	GODOT_PROPERTY_USAGE_CHECKED = 32, //used for editing global variables
	GODOT_PROPERTY_USAGE_INTERNATIONALIZED = 64, //hint for internationalized strings
	GODOT_PROPERTY_USAGE_GROUP = 128, //used for grouping props in the editor
	GODOT_PROPERTY_USAGE_CATEGORY = 256,
	GODOT_PROPERTY_USAGE_STORE_IF_NONZERO = 512, //only store if nonzero
	GODOT_PROPERTY_USAGE_STORE_IF_NONONE = 1024, //only store if false
	GODOT_PROPERTY_USAGE_NO_INSTANCE_STATE = 2048,
	GODOT_PROPERTY_USAGE_RESTART_IF_CHANGED = 4096,
	GODOT_PROPERTY_USAGE_SCRIPT_VARIABLE = 8192,
	GODOT_PROPERTY_USAGE_STORE_IF_NULL = 16384,
	GODOT_PROPERTY_USAGE_ANIMATE_AS_TRIGGER = 32768,
	GODOT_PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED = 65536,

	GODOT_PROPERTY_USAGE_DEFAULT = GODOT_PROPERTY_USAGE_STORAGE | GODOT_PROPERTY_USAGE_EDITOR | GODOT_PROPERTY_USAGE_NETWORK,
	GODOT_PROPERTY_USAGE_DEFAULT_INTL = GODOT_PROPERTY_USAGE_STORAGE | GODOT_PROPERTY_USAGE_EDITOR | GODOT_PROPERTY_USAGE_NETWORK | GODOT_PROPERTY_USAGE_INTERNATIONALIZED,
	GODOT_PROPERTY_USAGE_NOEDITOR = GODOT_PROPERTY_USAGE_STORAGE | GODOT_PROPERTY_USAGE_NETWORK,
} godot_property_usage_flags;

typedef struct {
	godot_method_rpc_mode rset_type;

	godot_int type;
	godot_property_hint hint;
	godot_string hint_string;
	godot_property_usage_flags usage;
	godot_variant default_value;
} godot_property_attributes;

typedef struct {
	// instance pointer, method_data - return user data
	GDCALLINGCONV void *(*create_func)(godot_object *, void *);
	void *method_data;
	GDCALLINGCONV void (*free_func)(void *);
} godot_instance_create_func;

typedef struct {
	// instance pointer, method data, user data
	GDCALLINGCONV void (*destroy_func)(godot_object *, void *, void *);
	void *method_data;
	GDCALLINGCONV void (*free_func)(void *);
} godot_instance_destroy_func;

void GDAPI godot_nativescript_register_class(void *p_gdnative_handle, const char *p_name, const char *p_base, godot_instance_create_func p_create_func, godot_instance_destroy_func p_destroy_func);

void GDAPI godot_nativescript_register_tool_class(void *p_gdnative_handle, const char *p_name, const char *p_base, godot_instance_create_func p_create_func, godot_instance_destroy_func p_destroy_func);

typedef struct {
	godot_method_rpc_mode rpc_type;
} godot_method_attributes;

typedef struct {
	// instance pointer, method data, user data, num args, args - return result as varaint
	GDCALLINGCONV godot_variant (*method)(godot_object *, void *, void *, int, godot_variant **);
	void *method_data;
	GDCALLINGCONV void (*free_func)(void *);
} godot_instance_method;

void GDAPI godot_nativescript_register_method(void *p_gdnative_handle, const char *p_name, const char *p_function_name, godot_method_attributes p_attr, godot_instance_method p_method);

typedef struct {
	// instance pointer, method data, user data, value
	GDCALLINGCONV void (*set_func)(godot_object *, void *, void *, godot_variant *);
	void *method_data;
	GDCALLINGCONV void (*free_func)(void *);
} godot_property_set_func;

typedef struct {
	// instance pointer, method data, user data, value
	GDCALLINGCONV godot_variant (*get_func)(godot_object *, void *, void *);
	void *method_data;
	GDCALLINGCONV void (*free_func)(void *);
} godot_property_get_func;

void GDAPI godot_nativescript_register_property(void *p_gdnative_handle, const char *p_name, const char *p_path, godot_property_attributes *p_attr, godot_property_set_func p_set_func, godot_property_get_func p_get_func);

typedef struct {
	godot_string name;
	godot_int type;
	godot_property_hint hint;
	godot_string hint_string;
	godot_property_usage_flags usage;
	godot_variant default_value;
} godot_signal_argument;

typedef struct {
	godot_string name;
	int num_args;
	godot_signal_argument *args;
	int num_default_args;
	godot_variant *default_args;
} godot_signal;

void GDAPI godot_nativescript_register_signal(void *p_gdnative_handle, const char *p_name, const godot_signal *p_signal);

void GDAPI *godot_nativescript_get_userdata(godot_object *p_instance);

#ifdef __cplusplus
}
#endif

#endif