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/**************************************************************************/
/* gdscript_utility_functions.cpp */
/**************************************************************************/
/* 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. */
/**************************************************************************/
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# include "gdscript_utility_functions.h"
# include "core/io/resource_loader.h"
# include "core/object/class_db.h"
# include "core/object/method_bind.h"
# include "core/object/object.h"
# include "core/templates/oa_hash_map.h"
# include "core/templates/vector.h"
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# include "core/variant/typed_array.h"
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# include "gdscript.h"
# ifdef DEBUG_ENABLED
# define VALIDATE_ARG_COUNT(m_count) \
if ( p_arg_count < m_count ) { \
r_error . error = Callable : : CallError : : CALL_ERROR_TOO_FEW_ARGUMENTS ; \
r_error . argument = m_count ; \
r_error . expected = m_count ; \
* r_ret = Variant ( ) ; \
return ; \
} \
if ( p_arg_count > m_count ) { \
r_error . error = Callable : : CallError : : CALL_ERROR_TOO_MANY_ARGUMENTS ; \
r_error . argument = m_count ; \
r_error . expected = m_count ; \
* r_ret = Variant ( ) ; \
return ; \
}
# define VALIDATE_ARG_INT(m_arg) \
if ( p_args [ m_arg ] - > get_type ( ) ! = Variant : : INT ) { \
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ; \
r_error . argument = m_arg ; \
r_error . expected = Variant : : INT ; \
* r_ret = Variant ( ) ; \
return ; \
}
# define VALIDATE_ARG_NUM(m_arg) \
if ( ! p_args [ m_arg ] - > is_num ( ) ) { \
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ; \
r_error . argument = m_arg ; \
r_error . expected = Variant : : FLOAT ; \
* r_ret = Variant ( ) ; \
return ; \
}
# else
# define VALIDATE_ARG_COUNT(m_count)
# define VALIDATE_ARG_INT(m_arg)
# define VALIDATE_ARG_NUM(m_arg)
# endif
struct GDScriptUtilityFunctionsDefinitions {
static inline void convert ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
VALIDATE_ARG_COUNT ( 2 ) ;
VALIDATE_ARG_INT ( 1 ) ;
int type = * p_args [ 1 ] ;
if ( type < 0 | | type > = Variant : : VARIANT_MAX ) {
* r_ret = RTR ( " Invalid type argument to convert(), use TYPE_* constants. " ) ;
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : INT ;
return ;
} else {
Variant : : construct ( Variant : : Type ( type ) , * r_ret , p_args , 1 , r_error ) ;
}
}
static inline void type_exists ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
VALIDATE_ARG_COUNT ( 1 ) ;
* r_ret = ClassDB : : class_exists ( * p_args [ 0 ] ) ;
}
static inline void _char ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
VALIDATE_ARG_COUNT ( 1 ) ;
VALIDATE_ARG_INT ( 0 ) ;
char32_t result [ 2 ] = { * p_args [ 0 ] , 0 } ;
* r_ret = String ( result ) ;
}
static inline void range ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
switch ( p_arg_count ) {
case 0 : {
r_error . error = Callable : : CallError : : CALL_ERROR_TOO_FEW_ARGUMENTS ;
r_error . argument = 1 ;
r_error . expected = 1 ;
* r_ret = Variant ( ) ;
} break ;
case 1 : {
VALIDATE_ARG_NUM ( 0 ) ;
int count = * p_args [ 0 ] ;
Array arr ;
if ( count < = 0 ) {
* r_ret = arr ;
return ;
}
Error err = arr . resize ( count ) ;
if ( err ! = OK ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_METHOD ;
* r_ret = Variant ( ) ;
return ;
}
for ( int i = 0 ; i < count ; i + + ) {
arr [ i ] = i ;
}
* r_ret = arr ;
} break ;
case 2 : {
VALIDATE_ARG_NUM ( 0 ) ;
VALIDATE_ARG_NUM ( 1 ) ;
int from = * p_args [ 0 ] ;
int to = * p_args [ 1 ] ;
Array arr ;
if ( from > = to ) {
* r_ret = arr ;
return ;
}
Error err = arr . resize ( to - from ) ;
if ( err ! = OK ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_METHOD ;
* r_ret = Variant ( ) ;
return ;
}
for ( int i = from ; i < to ; i + + ) {
arr [ i - from ] = i ;
}
* r_ret = arr ;
} break ;
case 3 : {
VALIDATE_ARG_NUM ( 0 ) ;
VALIDATE_ARG_NUM ( 1 ) ;
VALIDATE_ARG_NUM ( 2 ) ;
int from = * p_args [ 0 ] ;
int to = * p_args [ 1 ] ;
int incr = * p_args [ 2 ] ;
if ( incr = = 0 ) {
* r_ret = RTR ( " Step argument is zero! " ) ;
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_METHOD ;
return ;
}
Array arr ;
if ( from > = to & & incr > 0 ) {
* r_ret = arr ;
return ;
}
if ( from < = to & & incr < 0 ) {
* r_ret = arr ;
return ;
}
// Calculate how many.
int count = 0 ;
if ( incr > 0 ) {
count = ( ( to - from - 1 ) / incr ) + 1 ;
} else {
count = ( ( from - to - 1 ) / - incr ) + 1 ;
}
Error err = arr . resize ( count ) ;
if ( err ! = OK ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_METHOD ;
* r_ret = Variant ( ) ;
return ;
}
if ( incr > 0 ) {
int idx = 0 ;
for ( int i = from ; i < to ; i + = incr ) {
arr [ idx + + ] = i ;
}
} else {
int idx = 0 ;
for ( int i = from ; i > to ; i + = incr ) {
arr [ idx + + ] = i ;
}
}
* r_ret = arr ;
} break ;
default : {
r_error . error = Callable : : CallError : : CALL_ERROR_TOO_MANY_ARGUMENTS ;
r_error . argument = 3 ;
r_error . expected = 3 ;
* r_ret = Variant ( ) ;
} break ;
}
}
static inline void load ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
VALIDATE_ARG_COUNT ( 1 ) ;
if ( p_args [ 0 ] - > get_type ( ) ! = Variant : : STRING ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : STRING ;
* r_ret = Variant ( ) ;
} else {
* r_ret = ResourceLoader : : load ( * p_args [ 0 ] ) ;
}
}
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static inline void inst_to_dict ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
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VALIDATE_ARG_COUNT ( 1 ) ;
if ( p_args [ 0 ] - > get_type ( ) = = Variant : : NIL ) {
* r_ret = Variant ( ) ;
} else if ( p_args [ 0 ] - > get_type ( ) ! = Variant : : OBJECT ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
* r_ret = Variant ( ) ;
} else {
Object * obj = * p_args [ 0 ] ;
if ( ! obj ) {
* r_ret = Variant ( ) ;
} else if ( ! obj - > get_script_instance ( ) | | obj - > get_script_instance ( ) - > get_language ( ) ! = GDScriptLanguage : : get_singleton ( ) ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : DICTIONARY ;
* r_ret = RTR ( " Not a script with an instance " ) ;
return ;
} else {
GDScriptInstance * ins = static_cast < GDScriptInstance * > ( obj - > get_script_instance ( ) ) ;
Ref < GDScript > base = ins - > get_script ( ) ;
if ( base . is_null ( ) ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : DICTIONARY ;
* r_ret = RTR ( " Not based on a script " ) ;
return ;
}
GDScript * p = base . ptr ( ) ;
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String path = p - > get_script_path ( ) ;
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Vector < StringName > sname ;
while ( p - > _owner ) {
sname . push_back ( p - > name ) ;
p = p - > _owner ;
}
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sname . reverse ( ) ;
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if ( ! path . is_resource_file ( ) ) {
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r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : DICTIONARY ;
* r_ret = Variant ( ) ;
* r_ret = RTR ( " Not based on a resource file " ) ;
return ;
}
NodePath cp ( sname , Vector < StringName > ( ) , false ) ;
Dictionary d ;
d [ " @subpath " ] = cp ;
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d [ " @path " ] = path ;
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for ( const KeyValue < StringName , GDScript : : MemberInfo > & E : base - > member_indices ) {
if ( ! d . has ( E . key ) ) {
d [ E . key ] = ins - > members [ E . value . index ] ;
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}
}
* r_ret = d ;
}
}
}
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static inline void dict_to_inst ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
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VALIDATE_ARG_COUNT ( 1 ) ;
if ( p_args [ 0 ] - > get_type ( ) ! = Variant : : DICTIONARY ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : DICTIONARY ;
* r_ret = Variant ( ) ;
return ;
}
Dictionary d = * p_args [ 0 ] ;
if ( ! d . has ( " @path " ) ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : OBJECT ;
* r_ret = RTR ( " Invalid instance dictionary format (missing @path) " ) ;
return ;
}
Ref < Script > scr = ResourceLoader : : load ( d [ " @path " ] ) ;
if ( ! scr . is_valid ( ) ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : OBJECT ;
* r_ret = RTR ( " Invalid instance dictionary format (can't load script at @path) " ) ;
return ;
}
Ref < GDScript > gdscr = scr ;
if ( ! gdscr . is_valid ( ) ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : OBJECT ;
* r_ret = Variant ( ) ;
* r_ret = RTR ( " Invalid instance dictionary format (invalid script at @path) " ) ;
return ;
}
NodePath sub ;
if ( d . has ( " @subpath " ) ) {
sub = d [ " @subpath " ] ;
}
for ( int i = 0 ; i < sub . get_name_count ( ) ; i + + ) {
gdscr = gdscr - > subclasses [ sub . get_name ( i ) ] ;
if ( ! gdscr . is_valid ( ) ) {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : OBJECT ;
* r_ret = Variant ( ) ;
* r_ret = RTR ( " Invalid instance dictionary (invalid subclasses) " ) ;
return ;
}
}
* r_ret = gdscr - > _new ( nullptr , - 1 /*skip initializer*/ , r_error ) ;
if ( r_error . error ! = Callable : : CallError : : CALL_OK ) {
* r_ret = Variant ( ) ;
return ;
}
GDScriptInstance * ins = static_cast < GDScriptInstance * > ( static_cast < Object * > ( * r_ret ) - > get_script_instance ( ) ) ;
Ref < GDScript > gd_ref = ins - > get_script ( ) ;
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for ( KeyValue < StringName , GDScript : : MemberInfo > & E : gd_ref - > member_indices ) {
if ( d . has ( E . key ) ) {
ins - > members . write [ E . value . index ] = d [ E . key ] ;
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}
}
}
static inline void Color8 ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
if ( p_arg_count < 3 ) {
r_error . error = Callable : : CallError : : CALL_ERROR_TOO_FEW_ARGUMENTS ;
r_error . argument = 3 ;
* r_ret = Variant ( ) ;
return ;
}
if ( p_arg_count > 4 ) {
r_error . error = Callable : : CallError : : CALL_ERROR_TOO_MANY_ARGUMENTS ;
r_error . argument = 4 ;
* r_ret = Variant ( ) ;
return ;
}
VALIDATE_ARG_INT ( 0 ) ;
VALIDATE_ARG_INT ( 1 ) ;
VALIDATE_ARG_INT ( 2 ) ;
Color color ( ( int64_t ) * p_args [ 0 ] / 255.0f , ( int64_t ) * p_args [ 1 ] / 255.0f , ( int64_t ) * p_args [ 2 ] / 255.0f ) ;
if ( p_arg_count = = 4 ) {
VALIDATE_ARG_INT ( 3 ) ;
color . a = ( int64_t ) * p_args [ 3 ] / 255.0f ;
}
* r_ret = color ;
}
static inline void print_debug ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
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String s ;
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for ( int i = 0 ; i < p_arg_count ; i + + ) {
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s + = p_args [ i ] - > operator String ( ) ;
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}
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if ( Thread : : get_caller_id ( ) = = Thread : : get_main_id ( ) ) {
ScriptLanguage * script = GDScriptLanguage : : get_singleton ( ) ;
if ( script - > debug_get_stack_level_count ( ) > 0 ) {
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s + = " \n At: " + script - > debug_get_stack_level_source ( 0 ) + " : " + itos ( script - > debug_get_stack_level_line ( 0 ) ) + " : " + script - > debug_get_stack_level_function ( 0 ) + " () " ;
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}
} else {
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s + = " \n At: Cannot retrieve debug info outside the main thread. Thread ID: " + itos ( Thread : : get_caller_id ( ) ) ;
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}
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print_line ( s ) ;
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* r_ret = Variant ( ) ;
}
static inline void print_stack ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
VALIDATE_ARG_COUNT ( 0 ) ;
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if ( Thread : : get_caller_id ( ) ! = Thread : : get_main_id ( ) ) {
print_line ( " Cannot retrieve debug info outside the main thread. Thread ID: " + itos ( Thread : : get_caller_id ( ) ) ) ;
return ;
}
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ScriptLanguage * script = GDScriptLanguage : : get_singleton ( ) ;
for ( int i = 0 ; i < script - > debug_get_stack_level_count ( ) ; i + + ) {
print_line ( " Frame " + itos ( i ) + " - " + script - > debug_get_stack_level_source ( i ) + " : " + itos ( script - > debug_get_stack_level_line ( i ) ) + " in function ' " + script - > debug_get_stack_level_function ( i ) + " ' " ) ;
} ;
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* r_ret = Variant ( ) ;
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}
static inline void get_stack ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
VALIDATE_ARG_COUNT ( 0 ) ;
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if ( Thread : : get_caller_id ( ) ! = Thread : : get_main_id ( ) ) {
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* r_ret = TypedArray < Dictionary > ( ) ;
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return ;
}
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ScriptLanguage * script = GDScriptLanguage : : get_singleton ( ) ;
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TypedArray < Dictionary > ret ;
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for ( int i = 0 ; i < script - > debug_get_stack_level_count ( ) ; i + + ) {
Dictionary frame ;
frame [ " source " ] = script - > debug_get_stack_level_source ( i ) ;
frame [ " function " ] = script - > debug_get_stack_level_function ( i ) ;
frame [ " line " ] = script - > debug_get_stack_level_line ( i ) ;
ret . push_back ( frame ) ;
} ;
* r_ret = ret ;
}
static inline void len ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
VALIDATE_ARG_COUNT ( 1 ) ;
switch ( p_args [ 0 ] - > get_type ( ) ) {
case Variant : : STRING : {
String d = * p_args [ 0 ] ;
* r_ret = d . length ( ) ;
} break ;
case Variant : : DICTIONARY : {
Dictionary d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
case Variant : : ARRAY : {
Array d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
case Variant : : PACKED_BYTE_ARRAY : {
Vector < uint8_t > d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
case Variant : : PACKED_INT32_ARRAY : {
Vector < int32_t > d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
case Variant : : PACKED_INT64_ARRAY : {
Vector < int64_t > d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
case Variant : : PACKED_FLOAT32_ARRAY : {
Vector < float > d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
case Variant : : PACKED_FLOAT64_ARRAY : {
Vector < double > d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
case Variant : : PACKED_STRING_ARRAY : {
Vector < String > d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
case Variant : : PACKED_VECTOR2_ARRAY : {
Vector < Vector2 > d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
case Variant : : PACKED_VECTOR3_ARRAY : {
Vector < Vector3 > d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
case Variant : : PACKED_COLOR_ARRAY : {
Vector < Color > d = * p_args [ 0 ] ;
* r_ret = d . size ( ) ;
} break ;
default : {
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : NIL ;
* r_ret = vformat ( RTR ( " Value of type '%s' can't provide a length. " ) , Variant : : get_type_name ( p_args [ 0 ] - > get_type ( ) ) ) ;
}
}
}
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static inline void is_instance_of ( Variant * r_ret , const Variant * * p_args , int p_arg_count , Callable : : CallError & r_error ) {
VALIDATE_ARG_COUNT ( 2 ) ;
if ( p_args [ 1 ] - > get_type ( ) = = Variant : : INT ) {
int builtin_type = * p_args [ 1 ] ;
if ( builtin_type < 0 | | builtin_type > = Variant : : VARIANT_MAX ) {
* r_ret = RTR ( " Invalid type argument for is_instance_of(), use TYPE_* constants for built-in types. " ) ;
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 1 ;
r_error . expected = Variant : : NIL ;
return ;
}
* r_ret = p_args [ 0 ] - > get_type ( ) = = builtin_type ;
return ;
}
bool was_type_freed = false ;
Object * type_object = p_args [ 1 ] - > get_validated_object_with_check ( was_type_freed ) ;
if ( was_type_freed ) {
* r_ret = RTR ( " Type argument is a previously freed instance. " ) ;
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 1 ;
r_error . expected = Variant : : NIL ;
return ;
}
if ( ! type_object ) {
* r_ret = RTR ( " Invalid type argument for is_instance_of(), should be a TYPE_* constant, a class or a script. " ) ;
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 1 ;
r_error . expected = Variant : : NIL ;
return ;
}
bool was_value_freed = false ;
Object * value_object = p_args [ 0 ] - > get_validated_object_with_check ( was_value_freed ) ;
if ( was_value_freed ) {
* r_ret = RTR ( " Value argument is a previously freed instance. " ) ;
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 0 ;
r_error . expected = Variant : : NIL ;
return ;
}
if ( ! value_object ) {
* r_ret = false ;
return ;
}
GDScriptNativeClass * native_type = Object : : cast_to < GDScriptNativeClass > ( type_object ) ;
if ( native_type ) {
* r_ret = ClassDB : : is_parent_class ( value_object - > get_class_name ( ) , native_type - > get_name ( ) ) ;
return ;
}
Script * script_type = Object : : cast_to < Script > ( type_object ) ;
if ( script_type ) {
bool result = false ;
if ( value_object - > get_script_instance ( ) ) {
Script * script_ptr = value_object - > get_script_instance ( ) - > get_script ( ) . ptr ( ) ;
while ( script_ptr ) {
if ( script_ptr = = script_type ) {
result = true ;
break ;
}
script_ptr = script_ptr - > get_base_script ( ) . ptr ( ) ;
}
}
* r_ret = result ;
return ;
}
* r_ret = RTR ( " Invalid type argument for is_instance_of(), should be a TYPE_* constant, a class or a script. " ) ;
r_error . error = Callable : : CallError : : CALL_ERROR_INVALID_ARGUMENT ;
r_error . argument = 1 ;
r_error . expected = Variant : : NIL ;
}
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} ;
struct GDScriptUtilityFunctionInfo {
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GDScriptUtilityFunctions : : FunctionPtr function = nullptr ;
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MethodInfo info ;
bool is_constant = false ;
} ;
static OAHashMap < StringName , GDScriptUtilityFunctionInfo > utility_function_table ;
static List < StringName > utility_function_name_table ;
static void _register_function ( const String & p_name , const MethodInfo & p_method_info , GDScriptUtilityFunctions : : FunctionPtr p_function , bool p_is_const ) {
StringName sname ( p_name ) ;
ERR_FAIL_COND ( utility_function_table . has ( sname ) ) ;
GDScriptUtilityFunctionInfo function ;
function . function = p_function ;
function . info = p_method_info ;
function . is_constant = p_is_const ;
utility_function_table . insert ( sname , function ) ;
utility_function_name_table . push_back ( sname ) ;
}
# define REGISTER_FUNC(m_func, m_is_const, m_return_type, ...) \
{ \
String name ( # m_func ) ; \
if ( name . begins_with ( " _ " ) ) { \
name = name . substr ( 1 , name . length ( ) - 1 ) ; \
} \
MethodInfo info = MethodInfo ( name , __VA_ARGS__ ) ; \
info . return_val . type = m_return_type ; \
_register_function ( name , info , GDScriptUtilityFunctionsDefinitions : : m_func , m_is_const ) ; \
}
# define REGISTER_FUNC_NO_ARGS(m_func, m_is_const, m_return_type) \
{ \
String name ( # m_func ) ; \
if ( name . begins_with ( " _ " ) ) { \
name = name . substr ( 1 , name . length ( ) - 1 ) ; \
} \
MethodInfo info = MethodInfo ( name ) ; \
info . return_val . type = m_return_type ; \
_register_function ( name , info , GDScriptUtilityFunctionsDefinitions : : m_func , m_is_const ) ; \
}
# define REGISTER_VARARG_FUNC(m_func, m_is_const, m_return_type) \
{ \
String name ( # m_func ) ; \
if ( name . begins_with ( " _ " ) ) { \
name = name . substr ( 1 , name . length ( ) - 1 ) ; \
} \
MethodInfo info = MethodInfo ( name ) ; \
info . return_val . type = m_return_type ; \
info . flags | = METHOD_FLAG_VARARG ; \
_register_function ( name , info , GDScriptUtilityFunctionsDefinitions : : m_func , m_is_const ) ; \
}
# define REGISTER_VARIANT_FUNC(m_func, m_is_const, ...) \
{ \
String name ( # m_func ) ; \
if ( name . begins_with ( " _ " ) ) { \
name = name . substr ( 1 , name . length ( ) - 1 ) ; \
} \
MethodInfo info = MethodInfo ( name , __VA_ARGS__ ) ; \
info . return_val . type = Variant : : NIL ; \
info . return_val . usage | = PROPERTY_USAGE_NIL_IS_VARIANT ; \
_register_function ( name , info , GDScriptUtilityFunctionsDefinitions : : m_func , m_is_const ) ; \
}
# define REGISTER_CLASS_FUNC(m_func, m_is_const, m_return_type, ...) \
{ \
String name ( # m_func ) ; \
if ( name . begins_with ( " _ " ) ) { \
name = name . substr ( 1 , name . length ( ) - 1 ) ; \
} \
MethodInfo info = MethodInfo ( name , __VA_ARGS__ ) ; \
info . return_val . type = Variant : : OBJECT ; \
info . return_val . hint = PROPERTY_HINT_RESOURCE_TYPE ; \
info . return_val . class_name = m_return_type ; \
_register_function ( name , info , GDScriptUtilityFunctionsDefinitions : : m_func , m_is_const ) ; \
}
# define REGISTER_FUNC_DEF(m_func, m_is_const, m_default, m_return_type, ...) \
{ \
String name ( # m_func ) ; \
if ( name . begins_with ( " _ " ) ) { \
name = name . substr ( 1 , name . length ( ) - 1 ) ; \
} \
MethodInfo info = MethodInfo ( name , __VA_ARGS__ ) ; \
info . return_val . type = m_return_type ; \
info . default_arguments . push_back ( m_default ) ; \
_register_function ( name , info , GDScriptUtilityFunctionsDefinitions : : m_func , m_is_const ) ; \
}
# define ARG(m_name, m_type) \
PropertyInfo ( m_type , m_name )
# define VARARG(m_name) \
PropertyInfo ( Variant : : NIL , m_name , PROPERTY_HINT_NONE , " " , PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_NIL_IS_VARIANT )
void GDScriptUtilityFunctions : : register_functions ( ) {
REGISTER_VARIANT_FUNC ( convert , true , VARARG ( " what " ) , ARG ( " type " , Variant : : INT ) ) ;
REGISTER_FUNC ( type_exists , true , Variant : : BOOL , ARG ( " type " , Variant : : STRING_NAME ) ) ;
REGISTER_FUNC ( _char , true , Variant : : STRING , ARG ( " char " , Variant : : INT ) ) ;
REGISTER_VARARG_FUNC ( range , false , Variant : : ARRAY ) ;
REGISTER_CLASS_FUNC ( load , false , " Resource " , ARG ( " path " , Variant : : STRING ) ) ;
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REGISTER_FUNC ( inst_to_dict , false , Variant : : DICTIONARY , ARG ( " instance " , Variant : : OBJECT ) ) ;
REGISTER_FUNC ( dict_to_inst , false , Variant : : OBJECT , ARG ( " dictionary " , Variant : : DICTIONARY ) ) ;
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REGISTER_FUNC_DEF ( Color8 , true , 255 , Variant : : COLOR , ARG ( " r8 " , Variant : : INT ) , ARG ( " g8 " , Variant : : INT ) , ARG ( " b8 " , Variant : : INT ) , ARG ( " a8 " , Variant : : INT ) ) ;
REGISTER_VARARG_FUNC ( print_debug , false , Variant : : NIL ) ;
REGISTER_FUNC_NO_ARGS ( print_stack , false , Variant : : NIL ) ;
REGISTER_FUNC_NO_ARGS ( get_stack , false , Variant : : ARRAY ) ;
REGISTER_FUNC ( len , true , Variant : : INT , VARARG ( " var " ) ) ;
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REGISTER_FUNC ( is_instance_of , true , Variant : : BOOL , VARARG ( " value " ) , VARARG ( " type " ) ) ;
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}
void GDScriptUtilityFunctions : : unregister_functions ( ) {
utility_function_name_table . clear ( ) ;
utility_function_table . clear ( ) ;
}
GDScriptUtilityFunctions : : FunctionPtr GDScriptUtilityFunctions : : get_function ( const StringName & p_function ) {
GDScriptUtilityFunctionInfo * info = utility_function_table . lookup_ptr ( p_function ) ;
ERR_FAIL_COND_V ( ! info , nullptr ) ;
return info - > function ;
}
bool GDScriptUtilityFunctions : : has_function_return_value ( const StringName & p_function ) {
GDScriptUtilityFunctionInfo * info = utility_function_table . lookup_ptr ( p_function ) ;
ERR_FAIL_COND_V ( ! info , false ) ;
return info - > info . return_val . type ! = Variant : : NIL | | bool ( info - > info . return_val . usage & PROPERTY_USAGE_NIL_IS_VARIANT ) ;
}
Variant : : Type GDScriptUtilityFunctions : : get_function_return_type ( const StringName & p_function ) {
GDScriptUtilityFunctionInfo * info = utility_function_table . lookup_ptr ( p_function ) ;
ERR_FAIL_COND_V ( ! info , Variant : : NIL ) ;
return info - > info . return_val . type ;
}
StringName GDScriptUtilityFunctions : : get_function_return_class ( const StringName & p_function ) {
GDScriptUtilityFunctionInfo * info = utility_function_table . lookup_ptr ( p_function ) ;
ERR_FAIL_COND_V ( ! info , StringName ( ) ) ;
return info - > info . return_val . class_name ;
}
Variant : : Type GDScriptUtilityFunctions : : get_function_argument_type ( const StringName & p_function , int p_arg ) {
GDScriptUtilityFunctionInfo * info = utility_function_table . lookup_ptr ( p_function ) ;
ERR_FAIL_COND_V ( ! info , Variant : : NIL ) ;
ERR_FAIL_COND_V ( p_arg > = info - > info . arguments . size ( ) , Variant : : NIL ) ;
return info - > info . arguments [ p_arg ] . type ;
}
int GDScriptUtilityFunctions : : get_function_argument_count ( const StringName & p_function , int p_arg ) {
GDScriptUtilityFunctionInfo * info = utility_function_table . lookup_ptr ( p_function ) ;
ERR_FAIL_COND_V ( ! info , 0 ) ;
return info - > info . arguments . size ( ) ;
}
bool GDScriptUtilityFunctions : : is_function_vararg ( const StringName & p_function ) {
GDScriptUtilityFunctionInfo * info = utility_function_table . lookup_ptr ( p_function ) ;
ERR_FAIL_COND_V ( ! info , false ) ;
return ( bool ) ( info - > info . flags & METHOD_FLAG_VARARG ) ;
}
bool GDScriptUtilityFunctions : : is_function_constant ( const StringName & p_function ) {
GDScriptUtilityFunctionInfo * info = utility_function_table . lookup_ptr ( p_function ) ;
ERR_FAIL_COND_V ( ! info , false ) ;
return info - > is_constant ;
}
bool GDScriptUtilityFunctions : : function_exists ( const StringName & p_function ) {
return utility_function_table . has ( p_function ) ;
}
void GDScriptUtilityFunctions : : get_function_list ( List < StringName > * r_functions ) {
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for ( const StringName & E : utility_function_name_table ) {
r_functions - > push_back ( E ) ;
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}
}
MethodInfo GDScriptUtilityFunctions : : get_function_info ( const StringName & p_function ) {
GDScriptUtilityFunctionInfo * info = utility_function_table . lookup_ptr ( p_function ) ;
ERR_FAIL_COND_V ( ! info , MethodInfo ( ) ) ;
return info - > info ;
}