GodotMethodBind* = object

GodotNativeInitOptions* = object
  inEditor*: bool
  coreApiHash*: uint64
  editorApiHash*: uint64
  noApiHash*: uint64
  gdNativeLibrary*: ptr GodotObject

GodotNativeTerminateOptions* = object
  inEditor*: bool

GodotMethodRPCMode* {.
size: sizeof(cint), pure
.} = enum
  Disabled, Remote, Sync, Master, Slave

GodotMethodAttributes* = object
  rpcMode*: GodotMethodRPCMode

GodotPropertyHint* {.
size: sizeof(cint), pure
.} = enum
  None,                       ## no hint provided.
  Range,                      ## hint_text = "min,max,step,slider; // slider is optional"
  ExpRange,                   ## hint_text = "min,max,step", exponential edit
  Enum,                       ## hint_text= "val1,val2,val3,etc"
  ExpEasing,                  ## exponential easing funciton (Math::ease)
  Length,                     ## hint_text= "length" (as integer)
  SpriteFrame, KeyAccel,       ## hint_text= "length" (as integer)
  Flags,                      ## hint_text= "flag1,flag2,etc" (as bit flags)
  Layers2DRender, Layers2DPhysics, Layers3DRender, Layers3DPhysics, File, ## a file path must be passed, hint_text 
                                                                     ## (optionally)
                                                                     ## is a filter 
                                                                     ## "*.png,*.wav,*.doc,"
  Dir,                        ## a directort path must be passed
  GlobalFile, ## a file path must be passed, hint_text (optionally) is a
             ## filter "*.png,*.wav,*.doc,"
  GlobalDir,                  ## a directort path must be passed
  ResourceType,               ## a resource object type
  MultilineText,              ## used for string properties that can contain multiple lines
  ColorNoAlpha,               ## used for ignoring alpha component when editing a color
  ImageCompressLossy, ImageCompressLossless, ObjectId, TypeString, ## a type string, the hint is the base type to choose
  NodePathToEditedNode,       ## so something else can provide this
                       ## (used in scripts)
  MethodOfVariantType,        ## a method of a type
  MethodOfBaseType,           ## a method of a base type
  MethodOfInstance,           ## a method of an instance
  MethodOfScript,             ## a method of a script & base
  PropertyOfVariantType,      ## a property of a type
  PropertyOfBaseType,         ## a property of a base type
  PropertyOfInstance,         ## a property of an instance
  PropertyOfScript,           ## a property of a script & base
  PropertyHintMax

GodotPropertyUsage* {.
size: sizeof(cint), pure
.} = enum
  Storage = GODOT_PROPERTY_USAGE_STORAGE_VALUE,
  Editor = GODOT_PROPERTY_USAGE_EDITOR_VALUE,
  Network = GODOT_PROPERTY_USAGE_NETWORK_VALUE,
  NoEditor = GODOT_PROPERTY_USAGE_NOEDITOR_VALUE,
  Default = GODOT_PROPERTY_USAGE_DEFAULT_VALUE,
  EditorHelper = GODOT_PROPERTY_USAGE_EDITOR_HELPER_VALUE, Checkable = GODOT_PROPERTY_USAGE_CHECKABLE_VALUE, ## used for editing global variables
  Checked = GODOT_PROPERTY_USAGE_CHECKED_VALUE, ## used for editing global variables
  Internationalized = GODOT_PROPERTY_USAGE_INTERNATIONALIZED_VALUE, ## hint for internationalized strings
  DefaultIntl = GODOT_PROPERTY_USAGE_DEFAULT_INTL_VALUE, Group = GODOT_PROPERTY_USAGE_GROUP_VALUE, ## used for grouping props in the editor
  Category = GODOT_PROPERTY_USAGE_CATEGORY_VALUE, NonZero = GODOT_PROPERTY_USAGE_STORE_IF_NONZERO_VALUE, ## only store if nonzero
  NonOne = GODOT_PROPERTY_USAGE_STORE_IF_NONONE_VALUE, ## only store if false
  NoInstanceState = GODOT_PROPERTY_USAGE_NO_INSTANCE_STATE_VALUE,
  RestartIfChanged = GODOT_PROPERTY_USAGE_RESTART_IF_CHANGED_VALUE,
  ScriptVariable = GODOT_PROPERTY_USAGE_SCRIPT_VARIABLE_VALUE,
  StoreIfNull = GODOT_PROPERTY_USAGE_STORE_IF_NULL_VALUE,
  AnimateAsTrigger = GODOT_PROPERTY_USAGE_ANIMATE_AS_TRIGGER_VALUE,
  UpdateAllIfModified = GODOT_PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED_VALUE

GodotPropertyAttributes* {.
bycopy
.} = object
  rsetType*: GodotMethodRPCMode
  typ*: cint
  hint*: GodotPropertyHint
  hintString*: GodotString
  usage*: cint
  defaultValue*: GodotVariant

GodotInstanceCreateFunc* {.
bycopy
.} = object
  createFunc*: proc (obj: ptr GodotObject; methodData: pointer): pointer {.
noconv
.}
  methodData*: pointer
  freeFunc*: proc (a2: pointer) {.
noconv
.}

GodotInstanceDestroyFunc* {.
bycopy
.} = object
  destroyFunc*: proc (obj: ptr GodotObject; methodData: pointer; userData: pointer) {.

      noconv
.}
  methodData*: pointer
  freeFunc*: proc (a2: pointer) {.
noconv
.}

GodotInstanceMethod* {.
bycopy
.} = object
  meth*: proc (obj: ptr GodotObject; methodData: pointer; userData: pointer;
             numArgs: cint; args: var array[MAX_ARG_COUNT, ptr GodotVariant]): GodotVariant {.

      noconv
.}
  methodData*: pointer
  freeFunc*: proc (a2: pointer) {.
noconv
.}

GodotPropertySetFunc* {.
bycopy
.} = object
  setFunc*: proc (obj: ptr GodotObject; methodData: pointer; userData: pointer;
                value: GodotVariant) {.
noconv
.}
  methodData*: pointer
  freeFunc*: proc (a2: pointer) {.
noconv
.}

GodotPropertyGetFunc* {.
bycopy
.} = object
  getFunc*: proc (obj: ptr GodotObject; methodData: pointer; userData: pointer): GodotVariant {.

      noconv
.}
  methodData*: pointer
  freeFunc*: proc (a2: pointer) {.
noconv
.}

GodotSignalArgument* {.
bycopy
.} = object
  name*: GodotString
  typ*: cint
  hint*: GodotPropertyHint
  hintString*: GodotString
  usage*: cint
  defaultValue*: GodotVariant

GodotSignal* = object
  name*: GodotString
  numArgs*: cint
  args*: ptr GodotSignalArgument
  numDefaultArgs*: cint
  defaultArgs*: ptr GodotVariant

MAX_ARG_COUNT* = 128

proc getMethod*(className: cstring; methodName: cstring): ptr GodotMethodBind {.

    importc: "godot_method_bind_get_method"
.}

proc ptrCall*(methodBind: ptr GodotMethodBind; instance: ptr GodotObject;
             args: ptr array[MAX_ARG_COUNT, pointer]; ret: pointer) {.

    importc: "godot_method_bind_ptrcall"
.}

proc call*(methodBind: ptr GodotMethodBind; instance: ptr GodotObject;
          args: ptr array[MAX_ARG_COUNT, ptr GodotVariant]; argCount: cint;
          callError: var VariantCallError): GodotVariant {.

    importc: "godot_method_bind_call"
.}

proc godotScriptRegisterClass*(libHandle: pointer; name, base: cstring;
                              create_func: GodotInstanceCreateFunc;
                              destroy_func: GodotInstanceDestroyFunc) {.

    importc: "godot_nativescript_register_class"
.}

proc godotScriptRegisterToolClass*(libHandle: pointer; name, base: cstring;
                                  createFunc: GodotInstanceCreateFunc;
                                  destroyFunc: GodotInstanceDestroyFunc) {.

    importc: "godot_nativescript_register_tool_class"
.}

proc godotScriptRegisterMethod*(libHandle: pointer; name: cstring;
                               function_name: cstring;
                               attr: GodotMethodAttributes;
                               meth: GodotInstanceMethod) {.

    importc: "godot_nativescript_register_method"
.}

proc godotScriptRegisterProperty*(libHandle: pointer; name: cstring; path: cstring;
                                 attr: ptr GodotPropertyAttributes;
                                 setFunc: GodotPropertySetFunc;
                                 getFunc: GodotPropertyGetFunc) {.

    importc: "godot_nativescript_register_property"
.}

proc godotScriptRegisterSignal*(libHandle: pointer; name: cstring;
                               signal: GodotSignal) {.

    importc: "godot_nativescript_register_signal"
.}

proc getUserdata*(instance: ptr GodotObject): pointer {.

    importc: "godot_nativescript_get_userdata"
.}

proc getClassConstructor*(className: cstring): ClassConstructor {.

    importc: "godot_get_class_constructor"
.}

proc godotStackBottom*(): pointer {.
importc: "godot_get_stack_bottom"
.}

proc deinit*(o: ptr GodotObject) {.
importc: "godot_object_destroy"
.}

proc godotPrintError*(description: cstring; function: cstring; file: cstring;
                     line: cint) {.
importc: "godot_print_error"
.}

proc godotPrintWarning*(description: cstring; function: cstring; file: cstring;
                       line: cint) {.
importc: "godot_print_warning"
.}

proc godotPrint*(message: GodotString) {.
importc: "godot_print"
.}

proc getClassName*(o: ptr GodotObject): string

proc getGodotSingleton*(name: cstring): ptr GodotObject {.

    importc: "godot_global_get_singleton"
.}

proc godotAlloc*(bytes: cint): pointer {.
importc: "godot_alloc"
.}

proc godotRealloc*(p: pointer; bytes: cint): pointer {.
importc: "godot_realloc"
.}

proc godotFree*(p: pointer) {.
importc: "godot_free"
.}