godot/core/object/script_language.cpp
2024-11-28 17:40:42 +01:00

867 lines
26 KiB
C++

/**************************************************************************/
/* script_language.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. */
/**************************************************************************/
#include "script_language.h"
#include "core/config/project_settings.h"
#include "core/debugger/engine_debugger.h"
#include "core/debugger/script_debugger.h"
#include "core/io/resource_loader.h"
#include <stdint.h>
ScriptLanguage *ScriptServer::_languages[MAX_LANGUAGES];
int ScriptServer::_language_count = 0;
bool ScriptServer::languages_ready = false;
Mutex ScriptServer::languages_mutex;
thread_local bool ScriptServer::thread_entered = false;
bool ScriptServer::scripting_enabled = true;
bool ScriptServer::reload_scripts_on_save = false;
ScriptEditRequestFunction ScriptServer::edit_request_func = nullptr;
void Script::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_POSTINITIALIZE: {
if (EngineDebugger::is_active()) {
callable_mp(this, &Script::_set_debugger_break_language).call_deferred();
}
} break;
}
}
Variant Script::_get_property_default_value(const StringName &p_property) {
Variant ret;
get_property_default_value(p_property, ret);
return ret;
}
TypedArray<Dictionary> Script::_get_script_property_list() {
TypedArray<Dictionary> ret;
List<PropertyInfo> list;
get_script_property_list(&list);
for (const PropertyInfo &E : list) {
ret.append(E.operator Dictionary());
}
return ret;
}
TypedArray<Dictionary> Script::_get_script_method_list() {
TypedArray<Dictionary> ret;
List<MethodInfo> list;
get_script_method_list(&list);
for (const MethodInfo &E : list) {
ret.append(E.operator Dictionary());
}
return ret;
}
TypedArray<Dictionary> Script::_get_script_signal_list() {
TypedArray<Dictionary> ret;
List<MethodInfo> list;
get_script_signal_list(&list);
for (const MethodInfo &E : list) {
ret.append(E.operator Dictionary());
}
return ret;
}
Dictionary Script::_get_script_constant_map() {
Dictionary ret;
HashMap<StringName, Variant> map;
get_constants(&map);
for (const KeyValue<StringName, Variant> &E : map) {
ret[E.key] = E.value;
}
return ret;
}
void Script::_set_debugger_break_language() {
if (EngineDebugger::is_active()) {
EngineDebugger::get_script_debugger()->set_break_language(get_language());
}
}
int Script::get_script_method_argument_count(const StringName &p_method, bool *r_is_valid) const {
MethodInfo mi = get_method_info(p_method);
if (mi == MethodInfo()) {
if (r_is_valid) {
*r_is_valid = false;
}
return 0;
}
if (r_is_valid) {
*r_is_valid = true;
}
return mi.arguments.size();
}
#ifdef TOOLS_ENABLED
PropertyInfo Script::get_class_category() const {
String path = get_path();
String scr_name;
if (is_built_in()) {
if (get_name().is_empty()) {
scr_name = TTR("Built-in script");
} else {
scr_name = vformat("%s (%s)", get_name(), TTR("Built-in"));
}
} else {
if (get_name().is_empty()) {
scr_name = path.get_file();
} else {
scr_name = get_name();
}
}
return PropertyInfo(Variant::NIL, scr_name, PROPERTY_HINT_NONE, path, PROPERTY_USAGE_CATEGORY);
}
#endif // TOOLS_ENABLED
void Script::_bind_methods() {
ClassDB::bind_method(D_METHOD("can_instantiate"), &Script::can_instantiate);
//ClassDB::bind_method(D_METHOD("instance_create","base_object"),&Script::instance_create);
ClassDB::bind_method(D_METHOD("instance_has", "base_object"), &Script::instance_has);
ClassDB::bind_method(D_METHOD("has_source_code"), &Script::has_source_code);
ClassDB::bind_method(D_METHOD("get_source_code"), &Script::get_source_code);
ClassDB::bind_method(D_METHOD("set_source_code", "source"), &Script::set_source_code);
ClassDB::bind_method(D_METHOD("reload", "keep_state"), &Script::reload, DEFVAL(false));
ClassDB::bind_method(D_METHOD("get_base_script"), &Script::get_base_script);
ClassDB::bind_method(D_METHOD("get_instance_base_type"), &Script::get_instance_base_type);
ClassDB::bind_method(D_METHOD("get_global_name"), &Script::get_global_name);
ClassDB::bind_method(D_METHOD("has_script_signal", "signal_name"), &Script::has_script_signal);
ClassDB::bind_method(D_METHOD("get_script_property_list"), &Script::_get_script_property_list);
ClassDB::bind_method(D_METHOD("get_script_method_list"), &Script::_get_script_method_list);
ClassDB::bind_method(D_METHOD("get_script_signal_list"), &Script::_get_script_signal_list);
ClassDB::bind_method(D_METHOD("get_script_constant_map"), &Script::_get_script_constant_map);
ClassDB::bind_method(D_METHOD("get_property_default_value", "property"), &Script::_get_property_default_value);
ClassDB::bind_method(D_METHOD("is_tool"), &Script::is_tool);
ClassDB::bind_method(D_METHOD("is_abstract"), &Script::is_abstract);
ClassDB::bind_method(D_METHOD("get_rpc_config"), &Script::get_rpc_config);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "source_code", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE), "set_source_code", "get_source_code");
}
void Script::reload_from_file() {
#ifdef TOOLS_ENABLED
// Replicates how the ScriptEditor reloads script resources, which generally handles it.
// However, when scripts are to be reloaded but aren't open in the internal editor, we go through here instead.
const Ref<Script> rel = ResourceLoader::load(ResourceLoader::path_remap(get_path()), get_class(), ResourceFormatLoader::CACHE_MODE_IGNORE);
if (rel.is_null()) {
return;
}
set_source_code(rel->get_source_code());
set_last_modified_time(rel->get_last_modified_time());
// Only reload the script when there are no compilation errors to prevent printing the error messages twice.
if (rel->is_valid()) {
if (Engine::get_singleton()->is_editor_hint() && is_tool()) {
get_language()->reload_tool_script(this, true);
} else {
// It's important to set p_keep_state to true in order to manage reloading scripts
// that are currently instantiated.
reload(true);
}
}
#else
Resource::reload_from_file();
#endif
}
void ScriptServer::set_scripting_enabled(bool p_enabled) {
scripting_enabled = p_enabled;
}
bool ScriptServer::is_scripting_enabled() {
return scripting_enabled;
}
ScriptLanguage *ScriptServer::get_language(int p_idx) {
MutexLock lock(languages_mutex);
ERR_FAIL_INDEX_V(p_idx, _language_count, nullptr);
return _languages[p_idx];
}
ScriptLanguage *ScriptServer::get_language_for_extension(const String &p_extension) {
MutexLock lock(languages_mutex);
for (int i = 0; i < _language_count; i++) {
if (_languages[i] && _languages[i]->get_extension() == p_extension) {
return _languages[i];
}
}
return nullptr;
}
Error ScriptServer::register_language(ScriptLanguage *p_language) {
MutexLock lock(languages_mutex);
ERR_FAIL_NULL_V(p_language, ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V_MSG(_language_count >= MAX_LANGUAGES, ERR_UNAVAILABLE, "Script languages limit has been reach, cannot register more.");
for (int i = 0; i < _language_count; i++) {
const ScriptLanguage *other_language = _languages[i];
ERR_FAIL_COND_V_MSG(other_language->get_extension() == p_language->get_extension(), ERR_ALREADY_EXISTS, vformat("A script language with extension '%s' is already registered.", p_language->get_extension()));
ERR_FAIL_COND_V_MSG(other_language->get_name() == p_language->get_name(), ERR_ALREADY_EXISTS, vformat("A script language with name '%s' is already registered.", p_language->get_name()));
ERR_FAIL_COND_V_MSG(other_language->get_type() == p_language->get_type(), ERR_ALREADY_EXISTS, vformat("A script language with type '%s' is already registered.", p_language->get_type()));
}
_languages[_language_count++] = p_language;
return OK;
}
Error ScriptServer::unregister_language(const ScriptLanguage *p_language) {
MutexLock lock(languages_mutex);
for (int i = 0; i < _language_count; i++) {
if (_languages[i] == p_language) {
_language_count--;
if (i < _language_count) {
SWAP(_languages[i], _languages[_language_count]);
}
return OK;
}
}
return ERR_DOES_NOT_EXIST;
}
void ScriptServer::init_languages() {
{ // Load global classes.
global_classes_clear();
#ifndef DISABLE_DEPRECATED
if (ProjectSettings::get_singleton()->has_setting("_global_script_classes")) {
Array script_classes = GLOBAL_GET("_global_script_classes");
for (const Variant &script_class : script_classes) {
Dictionary c = script_class;
if (!c.has("class") || !c.has("language") || !c.has("path") || !c.has("base")) {
continue;
}
add_global_class(c["class"], c["base"], c["language"], c["path"]);
}
ProjectSettings::get_singleton()->clear("_global_script_classes");
}
#endif
Array script_classes = ProjectSettings::get_singleton()->get_global_class_list();
for (const Variant &script_class : script_classes) {
Dictionary c = script_class;
if (!c.has("class") || !c.has("language") || !c.has("path") || !c.has("base")) {
continue;
}
add_global_class(c["class"], c["base"], c["language"], c["path"]);
}
}
HashSet<ScriptLanguage *> langs_to_init;
{
MutexLock lock(languages_mutex);
for (int i = 0; i < _language_count; i++) {
if (_languages[i]) {
langs_to_init.insert(_languages[i]);
}
}
}
for (ScriptLanguage *E : langs_to_init) {
E->init();
}
{
MutexLock lock(languages_mutex);
languages_ready = true;
}
}
void ScriptServer::finish_languages() {
HashSet<ScriptLanguage *> langs_to_finish;
{
MutexLock lock(languages_mutex);
for (int i = 0; i < _language_count; i++) {
if (_languages[i]) {
langs_to_finish.insert(_languages[i]);
}
}
}
for (ScriptLanguage *E : langs_to_finish) {
E->finish();
}
{
MutexLock lock(languages_mutex);
languages_ready = false;
}
global_classes_clear();
}
bool ScriptServer::are_languages_initialized() {
MutexLock lock(languages_mutex);
return languages_ready;
}
bool ScriptServer::thread_is_entered() {
return thread_entered;
}
void ScriptServer::set_reload_scripts_on_save(bool p_enable) {
reload_scripts_on_save = p_enable;
}
bool ScriptServer::is_reload_scripts_on_save_enabled() {
return reload_scripts_on_save;
}
void ScriptServer::thread_enter() {
if (thread_entered) {
return;
}
MutexLock lock(languages_mutex);
if (!languages_ready) {
return;
}
for (int i = 0; i < _language_count; i++) {
_languages[i]->thread_enter();
}
thread_entered = true;
}
void ScriptServer::thread_exit() {
if (!thread_entered) {
return;
}
MutexLock lock(languages_mutex);
if (!languages_ready) {
return;
}
for (int i = 0; i < _language_count; i++) {
_languages[i]->thread_exit();
}
thread_entered = false;
}
HashMap<StringName, ScriptServer::GlobalScriptClass> ScriptServer::global_classes;
HashMap<StringName, Vector<StringName>> ScriptServer::inheriters_cache;
bool ScriptServer::inheriters_cache_dirty = true;
void ScriptServer::global_classes_clear() {
global_classes.clear();
inheriters_cache.clear();
}
void ScriptServer::add_global_class(const StringName &p_class, const StringName &p_base, const StringName &p_language, const String &p_path) {
ERR_FAIL_COND_MSG(p_class == p_base || (global_classes.has(p_base) && get_global_class_native_base(p_base) == p_class), "Cyclic inheritance in script class.");
GlobalScriptClass *existing = global_classes.getptr(p_class);
if (existing) {
// Update an existing class (only set dirty if something changed).
if (existing->base != p_base || existing->path != p_path || existing->language != p_language) {
existing->base = p_base;
existing->path = p_path;
existing->language = p_language;
inheriters_cache_dirty = true;
}
} else {
// Add new class.
GlobalScriptClass g;
g.language = p_language;
g.path = p_path;
g.base = p_base;
global_classes[p_class] = g;
inheriters_cache_dirty = true;
}
}
void ScriptServer::remove_global_class(const StringName &p_class) {
global_classes.erase(p_class);
inheriters_cache_dirty = true;
}
void ScriptServer::get_inheriters_list(const StringName &p_base_type, List<StringName> *r_classes) {
if (inheriters_cache_dirty) {
inheriters_cache.clear();
for (const KeyValue<StringName, GlobalScriptClass> &K : global_classes) {
if (!inheriters_cache.has(K.value.base)) {
inheriters_cache[K.value.base] = Vector<StringName>();
}
inheriters_cache[K.value.base].push_back(K.key);
}
for (KeyValue<StringName, Vector<StringName>> &K : inheriters_cache) {
K.value.sort_custom<StringName::AlphCompare>();
}
inheriters_cache_dirty = false;
}
if (!inheriters_cache.has(p_base_type)) {
return;
}
const Vector<StringName> &v = inheriters_cache[p_base_type];
for (int i = 0; i < v.size(); i++) {
r_classes->push_back(v[i]);
}
}
void ScriptServer::remove_global_class_by_path(const String &p_path) {
for (const KeyValue<StringName, GlobalScriptClass> &kv : global_classes) {
if (kv.value.path == p_path) {
global_classes.erase(kv.key);
inheriters_cache_dirty = true;
return;
}
}
}
bool ScriptServer::is_global_class(const StringName &p_class) {
return global_classes.has(p_class);
}
StringName ScriptServer::get_global_class_language(const StringName &p_class) {
ERR_FAIL_COND_V(!global_classes.has(p_class), StringName());
return global_classes[p_class].language;
}
String ScriptServer::get_global_class_path(const String &p_class) {
ERR_FAIL_COND_V(!global_classes.has(p_class), String());
return global_classes[p_class].path;
}
StringName ScriptServer::get_global_class_base(const String &p_class) {
ERR_FAIL_COND_V(!global_classes.has(p_class), String());
return global_classes[p_class].base;
}
StringName ScriptServer::get_global_class_native_base(const String &p_class) {
ERR_FAIL_COND_V(!global_classes.has(p_class), String());
String base = global_classes[p_class].base;
while (global_classes.has(base)) {
base = global_classes[base].base;
}
return base;
}
void ScriptServer::get_global_class_list(List<StringName> *r_global_classes) {
List<StringName> classes;
for (const KeyValue<StringName, GlobalScriptClass> &E : global_classes) {
classes.push_back(E.key);
}
classes.sort_custom<StringName::AlphCompare>();
for (const StringName &E : classes) {
r_global_classes->push_back(E);
}
}
void ScriptServer::save_global_classes() {
Dictionary class_icons;
Array script_classes = ProjectSettings::get_singleton()->get_global_class_list();
for (const Variant &script_class : script_classes) {
Dictionary d = script_class;
if (!d.has("name") || !d.has("icon")) {
continue;
}
class_icons[d["name"]] = d["icon"];
}
List<StringName> gc;
get_global_class_list(&gc);
Array gcarr;
for (const StringName &E : gc) {
Dictionary d;
d["class"] = E;
d["language"] = global_classes[E].language;
d["path"] = global_classes[E].path;
d["base"] = global_classes[E].base;
d["icon"] = class_icons.get(E, "");
gcarr.push_back(d);
}
ProjectSettings::get_singleton()->store_global_class_list(gcarr);
}
////////////////////
ScriptCodeCompletionCache *ScriptCodeCompletionCache::singleton = nullptr;
ScriptCodeCompletionCache::ScriptCodeCompletionCache() {
singleton = this;
}
void ScriptLanguage::get_core_type_words(List<String> *p_core_type_words) const {
p_core_type_words->push_back("String");
p_core_type_words->push_back("Vector2");
p_core_type_words->push_back("Vector2i");
p_core_type_words->push_back("Rect2");
p_core_type_words->push_back("Rect2i");
p_core_type_words->push_back("Vector3");
p_core_type_words->push_back("Vector3i");
p_core_type_words->push_back("Transform2D");
p_core_type_words->push_back("Vector4");
p_core_type_words->push_back("Vector4i");
p_core_type_words->push_back("Plane");
p_core_type_words->push_back("Quaternion");
p_core_type_words->push_back("AABB");
p_core_type_words->push_back("Basis");
p_core_type_words->push_back("Transform3D");
p_core_type_words->push_back("Projection");
p_core_type_words->push_back("Color");
p_core_type_words->push_back("StringName");
p_core_type_words->push_back("NodePath");
p_core_type_words->push_back("RID");
p_core_type_words->push_back("Callable");
p_core_type_words->push_back("Signal");
p_core_type_words->push_back("Dictionary");
p_core_type_words->push_back("Array");
p_core_type_words->push_back("PackedByteArray");
p_core_type_words->push_back("PackedInt32Array");
p_core_type_words->push_back("PackedInt64Array");
p_core_type_words->push_back("PackedFloat32Array");
p_core_type_words->push_back("PackedFloat64Array");
p_core_type_words->push_back("PackedStringArray");
p_core_type_words->push_back("PackedVector2Array");
p_core_type_words->push_back("PackedVector3Array");
p_core_type_words->push_back("PackedColorArray");
p_core_type_words->push_back("PackedVector4Array");
}
void ScriptLanguage::frame() {
}
TypedArray<int> ScriptLanguage::CodeCompletionOption::get_option_characteristics(const String &p_base) {
// Return characteristics of the match found by order of importance.
// Matches will be ranked by a lexicographical order on the vector returned by this function.
// The lower values indicate better matches and that they should go before in the order of appearance.
if (last_matches == matches) {
return charac;
}
charac.clear();
// Ensure base is not empty and at the same time that matches is not empty too.
if (p_base.length() == 0) {
last_matches = matches;
charac.push_back(location);
return charac;
}
charac.push_back(matches.size());
charac.push_back((matches[0].first == 0) ? 0 : 1);
const char32_t *target_char = &p_base[0];
int bad_case = 0;
for (const Pair<int, int> &match_segment : matches) {
const char32_t *string_to_complete_char = &display[match_segment.first];
for (int j = 0; j < match_segment.second; j++, string_to_complete_char++, target_char++) {
if (*string_to_complete_char != *target_char) {
bad_case++;
}
}
}
charac.push_back(bad_case);
charac.push_back(location);
charac.push_back(matches[0].first);
last_matches = matches;
return charac;
}
void ScriptLanguage::CodeCompletionOption::clear_characteristics() {
charac = TypedArray<int>();
}
TypedArray<int> ScriptLanguage::CodeCompletionOption::get_option_cached_characteristics() const {
// Only returns the cached value and warns if it was not updated since the last change of matches.
if (last_matches != matches) {
WARN_PRINT("Characteristics are not up to date.");
}
return charac;
}
void ScriptLanguage::_bind_methods() {
BIND_ENUM_CONSTANT(SCRIPT_NAME_CASING_AUTO);
BIND_ENUM_CONSTANT(SCRIPT_NAME_CASING_PASCAL_CASE);
BIND_ENUM_CONSTANT(SCRIPT_NAME_CASING_SNAKE_CASE);
BIND_ENUM_CONSTANT(SCRIPT_NAME_CASING_KEBAB_CASE);
}
bool PlaceHolderScriptInstance::set(const StringName &p_name, const Variant &p_value) {
if (script->is_placeholder_fallback_enabled()) {
return false;
}
if (values.has(p_name)) {
Variant defval;
if (script->get_property_default_value(p_name, defval)) {
// The evaluate function ensures that a NIL variant is equal to e.g. an empty Resource.
// Simply doing defval == p_value does not do this.
if (Variant::evaluate(Variant::OP_EQUAL, defval, p_value)) {
values.erase(p_name);
return true;
}
}
values[p_name] = p_value;
return true;
} else {
Variant defval;
if (script->get_property_default_value(p_name, defval)) {
if (Variant::evaluate(Variant::OP_NOT_EQUAL, defval, p_value)) {
values[p_name] = p_value;
}
return true;
}
}
return false;
}
bool PlaceHolderScriptInstance::get(const StringName &p_name, Variant &r_ret) const {
if (values.has(p_name)) {
r_ret = values[p_name];
return true;
}
if (constants.has(p_name)) {
r_ret = constants[p_name];
return true;
}
if (!script->is_placeholder_fallback_enabled()) {
Variant defval;
if (script->get_property_default_value(p_name, defval)) {
r_ret = defval;
return true;
}
}
return false;
}
void PlaceHolderScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const {
if (script->is_placeholder_fallback_enabled()) {
for (const PropertyInfo &E : properties) {
p_properties->push_back(E);
}
} else {
for (const PropertyInfo &E : properties) {
PropertyInfo pinfo = E;
p_properties->push_back(E);
}
}
}
Variant::Type PlaceHolderScriptInstance::get_property_type(const StringName &p_name, bool *r_is_valid) const {
if (values.has(p_name)) {
if (r_is_valid) {
*r_is_valid = true;
}
return values[p_name].get_type();
}
if (constants.has(p_name)) {
if (r_is_valid) {
*r_is_valid = true;
}
return constants[p_name].get_type();
}
if (r_is_valid) {
*r_is_valid = false;
}
return Variant::NIL;
}
void PlaceHolderScriptInstance::get_method_list(List<MethodInfo> *p_list) const {
if (script->is_placeholder_fallback_enabled()) {
return;
}
if (script.is_valid()) {
script->get_script_method_list(p_list);
}
}
bool PlaceHolderScriptInstance::has_method(const StringName &p_method) const {
if (script->is_placeholder_fallback_enabled()) {
return false;
}
if (script.is_valid()) {
Ref<Script> scr = script;
while (scr.is_valid()) {
if (scr->has_method(p_method)) {
return true;
}
scr = scr->get_base_script();
}
}
return false;
}
Variant PlaceHolderScriptInstance::callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
#if TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint()) {
return String("Attempt to call a method on a placeholder instance. Check if the script is in tool mode.");
} else {
return String("Attempt to call a method on a placeholder instance. Probably a bug, please report.");
}
#else
return Variant();
#endif // TOOLS_ENABLED
}
void PlaceHolderScriptInstance::update(const List<PropertyInfo> &p_properties, const HashMap<StringName, Variant> &p_values) {
HashSet<StringName> new_values;
for (const PropertyInfo &E : p_properties) {
if (E.usage & (PROPERTY_USAGE_GROUP | PROPERTY_USAGE_SUBGROUP | PROPERTY_USAGE_CATEGORY)) {
continue;
}
StringName n = E.name;
new_values.insert(n);
if (!values.has(n) || values[n].get_type() != E.type) {
if (p_values.has(n)) {
values[n] = p_values[n];
}
}
}
properties = p_properties;
List<StringName> to_remove;
for (KeyValue<StringName, Variant> &E : values) {
if (!new_values.has(E.key)) {
to_remove.push_back(E.key);
}
Variant defval;
if (script->get_property_default_value(E.key, defval)) {
//remove because it's the same as the default value
if (defval == E.value) {
to_remove.push_back(E.key);
}
}
}
while (to_remove.size()) {
values.erase(to_remove.front()->get());
to_remove.pop_front();
}
if (owner && owner->get_script_instance() == this) {
owner->notify_property_list_changed();
}
//change notify
constants.clear();
script->get_constants(&constants);
}
void PlaceHolderScriptInstance::property_set_fallback(const StringName &p_name, const Variant &p_value, bool *r_valid) {
if (script->is_placeholder_fallback_enabled()) {
HashMap<StringName, Variant>::Iterator E = values.find(p_name);
if (E) {
E->value = p_value;
} else {
values.insert(p_name, p_value);
}
bool found = false;
for (const PropertyInfo &F : properties) {
if (F.name == p_name) {
found = true;
break;
}
}
if (!found) {
PropertyHint hint = PROPERTY_HINT_NONE;
const Object *obj = p_value.get_validated_object();
if (obj && obj->is_class("Node")) {
hint = PROPERTY_HINT_NODE_TYPE;
}
properties.push_back(PropertyInfo(p_value.get_type(), p_name, hint, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_SCRIPT_VARIABLE));
}
}
if (r_valid) {
*r_valid = false; // Cannot change the value in either case
}
}
Variant PlaceHolderScriptInstance::property_get_fallback(const StringName &p_name, bool *r_valid) {
if (script->is_placeholder_fallback_enabled()) {
HashMap<StringName, Variant>::ConstIterator E = values.find(p_name);
if (E) {
if (r_valid) {
*r_valid = true;
}
return E->value;
}
E = constants.find(p_name);
if (E) {
if (r_valid) {
*r_valid = true;
}
return E->value;
}
}
if (r_valid) {
*r_valid = false;
}
return Variant();
}
PlaceHolderScriptInstance::PlaceHolderScriptInstance(ScriptLanguage *p_language, Ref<Script> p_script, Object *p_owner) :
owner(p_owner),
language(p_language),
script(p_script) {
}
PlaceHolderScriptInstance::~PlaceHolderScriptInstance() {
if (script.is_valid()) {
script->_placeholder_erased(this);
}
}