a7f49ac9a1
Happy new year to the wonderful Godot community! We're starting a new decade with a well-established, non-profit, free and open source game engine, and tons of further improvements in the pipeline from hundreds of contributors. Godot will keep getting better, and we're looking forward to all the games that the community will keep developing and releasing with it.
659 lines
18 KiB
C++
659 lines
18 KiB
C++
/*************************************************************************/
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/* script_language.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "script_language.h"
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#include "core/core_string_names.h"
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#include "core/project_settings.h"
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ScriptLanguage *ScriptServer::_languages[MAX_LANGUAGES];
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int ScriptServer::_language_count = 0;
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bool ScriptServer::scripting_enabled = true;
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bool ScriptServer::reload_scripts_on_save = false;
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bool ScriptServer::languages_finished = false;
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ScriptEditRequestFunction ScriptServer::edit_request_func = NULL;
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void Script::_notification(int p_what) {
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if (p_what == NOTIFICATION_POSTINITIALIZE) {
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if (ScriptDebugger::get_singleton())
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ScriptDebugger::get_singleton()->set_break_language(get_language());
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}
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}
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Variant Script::_get_property_default_value(const StringName &p_property) {
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Variant ret;
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get_property_default_value(p_property, ret);
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return ret;
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}
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Array Script::_get_script_property_list() {
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Array ret;
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List<PropertyInfo> list;
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get_script_property_list(&list);
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for (List<PropertyInfo>::Element *E = list.front(); E; E = E->next()) {
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ret.append(E->get().operator Dictionary());
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}
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return ret;
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}
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Array Script::_get_script_method_list() {
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Array ret;
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List<MethodInfo> list;
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get_script_method_list(&list);
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for (List<MethodInfo>::Element *E = list.front(); E; E = E->next()) {
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ret.append(E->get().operator Dictionary());
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}
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return ret;
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}
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Array Script::_get_script_signal_list() {
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Array ret;
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List<MethodInfo> list;
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get_script_signal_list(&list);
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for (List<MethodInfo>::Element *E = list.front(); E; E = E->next()) {
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ret.append(E->get().operator Dictionary());
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}
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return ret;
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}
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Dictionary Script::_get_script_constant_map() {
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Dictionary ret;
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Map<StringName, Variant> map;
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get_constants(&map);
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for (Map<StringName, Variant>::Element *E = map.front(); E; E = E->next()) {
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ret[E->key()] = E->value();
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}
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return ret;
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}
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void Script::_bind_methods() {
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ClassDB::bind_method(D_METHOD("can_instance"), &Script::can_instance);
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//ClassDB::bind_method(D_METHOD("instance_create","base_object"),&Script::instance_create);
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ClassDB::bind_method(D_METHOD("instance_has", "base_object"), &Script::instance_has);
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ClassDB::bind_method(D_METHOD("has_source_code"), &Script::has_source_code);
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ClassDB::bind_method(D_METHOD("get_source_code"), &Script::get_source_code);
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ClassDB::bind_method(D_METHOD("set_source_code", "source"), &Script::set_source_code);
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ClassDB::bind_method(D_METHOD("reload", "keep_state"), &Script::reload, DEFVAL(false));
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ClassDB::bind_method(D_METHOD("get_base_script"), &Script::get_base_script);
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ClassDB::bind_method(D_METHOD("get_instance_base_type"), &Script::get_instance_base_type);
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ClassDB::bind_method(D_METHOD("has_script_signal", "signal_name"), &Script::has_script_signal);
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ClassDB::bind_method(D_METHOD("get_script_property_list"), &Script::_get_script_property_list);
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ClassDB::bind_method(D_METHOD("get_script_method_list"), &Script::_get_script_method_list);
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ClassDB::bind_method(D_METHOD("get_script_signal_list"), &Script::_get_script_signal_list);
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ClassDB::bind_method(D_METHOD("get_script_constant_map"), &Script::_get_script_constant_map);
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ClassDB::bind_method(D_METHOD("get_property_default_value", "property"), &Script::_get_property_default_value);
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ClassDB::bind_method(D_METHOD("is_tool"), &Script::is_tool);
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "source_code", PROPERTY_HINT_NONE, "", 0), "set_source_code", "get_source_code");
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}
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void ScriptServer::set_scripting_enabled(bool p_enabled) {
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scripting_enabled = p_enabled;
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}
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bool ScriptServer::is_scripting_enabled() {
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return scripting_enabled;
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}
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ScriptLanguage *ScriptServer::get_language(int p_idx) {
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ERR_FAIL_INDEX_V(p_idx, _language_count, NULL);
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return _languages[p_idx];
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}
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void ScriptServer::register_language(ScriptLanguage *p_language) {
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ERR_FAIL_COND(_language_count >= MAX_LANGUAGES);
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_languages[_language_count++] = p_language;
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}
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void ScriptServer::unregister_language(ScriptLanguage *p_language) {
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for (int i = 0; i < _language_count; i++) {
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if (_languages[i] == p_language) {
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_language_count--;
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if (i < _language_count) {
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SWAP(_languages[i], _languages[_language_count]);
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}
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return;
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}
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}
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}
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void ScriptServer::init_languages() {
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{ //load global classes
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global_classes_clear();
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if (ProjectSettings::get_singleton()->has_setting("_global_script_classes")) {
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Array script_classes = ProjectSettings::get_singleton()->get("_global_script_classes");
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for (int i = 0; i < script_classes.size(); i++) {
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Dictionary c = script_classes[i];
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if (!c.has("class") || !c.has("language") || !c.has("path") || !c.has("base"))
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continue;
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add_global_class(c["class"], c["base"], c["language"], c["path"]);
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}
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}
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}
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for (int i = 0; i < _language_count; i++) {
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_languages[i]->init();
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}
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}
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void ScriptServer::finish_languages() {
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for (int i = 0; i < _language_count; i++) {
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_languages[i]->finish();
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}
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global_classes_clear();
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languages_finished = true;
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}
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void ScriptServer::set_reload_scripts_on_save(bool p_enable) {
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reload_scripts_on_save = p_enable;
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}
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bool ScriptServer::is_reload_scripts_on_save_enabled() {
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return reload_scripts_on_save;
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}
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void ScriptServer::thread_enter() {
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for (int i = 0; i < _language_count; i++) {
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_languages[i]->thread_enter();
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}
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}
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void ScriptServer::thread_exit() {
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for (int i = 0; i < _language_count; i++) {
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_languages[i]->thread_exit();
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}
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}
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HashMap<StringName, ScriptServer::GlobalScriptClass> ScriptServer::global_classes;
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void ScriptServer::global_classes_clear() {
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global_classes.clear();
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}
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void ScriptServer::add_global_class(const StringName &p_class, const StringName &p_base, const StringName &p_language, const String &p_path) {
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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.");
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GlobalScriptClass g;
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g.language = p_language;
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g.path = p_path;
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g.base = p_base;
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global_classes[p_class] = g;
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}
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void ScriptServer::remove_global_class(const StringName &p_class) {
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global_classes.erase(p_class);
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}
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bool ScriptServer::is_global_class(const StringName &p_class) {
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return global_classes.has(p_class);
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}
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StringName ScriptServer::get_global_class_language(const StringName &p_class) {
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ERR_FAIL_COND_V(!global_classes.has(p_class), StringName());
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return global_classes[p_class].language;
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}
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String ScriptServer::get_global_class_path(const String &p_class) {
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ERR_FAIL_COND_V(!global_classes.has(p_class), String());
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return global_classes[p_class].path;
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}
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StringName ScriptServer::get_global_class_base(const String &p_class) {
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ERR_FAIL_COND_V(!global_classes.has(p_class), String());
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return global_classes[p_class].base;
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}
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StringName ScriptServer::get_global_class_native_base(const String &p_class) {
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ERR_FAIL_COND_V(!global_classes.has(p_class), String());
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String base = global_classes[p_class].base;
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while (global_classes.has(base)) {
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base = global_classes[base].base;
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}
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return base;
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}
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void ScriptServer::get_global_class_list(List<StringName> *r_global_classes) {
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const StringName *K = NULL;
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List<StringName> classes;
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while ((K = global_classes.next(K))) {
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classes.push_back(*K);
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}
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classes.sort_custom<StringName::AlphCompare>();
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for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
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r_global_classes->push_back(E->get());
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}
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}
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void ScriptServer::save_global_classes() {
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List<StringName> gc;
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get_global_class_list(&gc);
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Array gcarr;
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for (List<StringName>::Element *E = gc.front(); E; E = E->next()) {
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Dictionary d;
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d["class"] = E->get();
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d["language"] = global_classes[E->get()].language;
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d["path"] = global_classes[E->get()].path;
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d["base"] = global_classes[E->get()].base;
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gcarr.push_back(d);
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}
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ProjectSettings::get_singleton()->set("_global_script_classes", gcarr);
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ProjectSettings::get_singleton()->save();
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}
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////////////////////
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void ScriptInstance::get_property_state(List<Pair<StringName, Variant> > &state) {
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List<PropertyInfo> pinfo;
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get_property_list(&pinfo);
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for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
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if (E->get().usage & PROPERTY_USAGE_STORAGE) {
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Pair<StringName, Variant> p;
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p.first = E->get().name;
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if (get(p.first, p.second))
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state.push_back(p);
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}
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}
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}
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Variant ScriptInstance::call(const StringName &p_method, VARIANT_ARG_DECLARE) {
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VARIANT_ARGPTRS;
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int argc = 0;
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for (int i = 0; i < VARIANT_ARG_MAX; i++) {
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if (argptr[i]->get_type() == Variant::NIL)
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break;
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argc++;
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}
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Variant::CallError error;
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return call(p_method, argptr, argc, error);
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}
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void ScriptInstance::call_multilevel(const StringName &p_method, const Variant **p_args, int p_argcount) {
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Variant::CallError ce;
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call(p_method, p_args, p_argcount, ce); // script may not support multilevel calls
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}
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void ScriptInstance::call_multilevel_reversed(const StringName &p_method, const Variant **p_args, int p_argcount) {
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Variant::CallError ce;
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call(p_method, p_args, p_argcount, ce); // script may not support multilevel calls
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}
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void ScriptInstance::property_set_fallback(const StringName &, const Variant &, bool *r_valid) {
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if (r_valid)
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*r_valid = false;
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}
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Variant ScriptInstance::property_get_fallback(const StringName &, bool *r_valid) {
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if (r_valid)
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*r_valid = false;
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return Variant();
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}
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void ScriptInstance::call_multilevel(const StringName &p_method, VARIANT_ARG_DECLARE) {
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VARIANT_ARGPTRS;
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int argc = 0;
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for (int i = 0; i < VARIANT_ARG_MAX; i++) {
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if (argptr[i]->get_type() == Variant::NIL)
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break;
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argc++;
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}
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call_multilevel(p_method, argptr, argc);
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}
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ScriptInstance::~ScriptInstance() {
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}
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ScriptCodeCompletionCache *ScriptCodeCompletionCache::singleton = NULL;
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ScriptCodeCompletionCache::ScriptCodeCompletionCache() {
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singleton = this;
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}
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void ScriptLanguage::frame() {
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}
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ScriptDebugger *ScriptDebugger::singleton = NULL;
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void ScriptDebugger::set_lines_left(int p_left) {
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lines_left = p_left;
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}
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int ScriptDebugger::get_lines_left() const {
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return lines_left;
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}
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void ScriptDebugger::set_depth(int p_depth) {
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depth = p_depth;
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}
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int ScriptDebugger::get_depth() const {
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return depth;
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}
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void ScriptDebugger::insert_breakpoint(int p_line, const StringName &p_source) {
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if (!breakpoints.has(p_line))
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breakpoints[p_line] = Set<StringName>();
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breakpoints[p_line].insert(p_source);
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}
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void ScriptDebugger::remove_breakpoint(int p_line, const StringName &p_source) {
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if (!breakpoints.has(p_line))
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return;
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breakpoints[p_line].erase(p_source);
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if (breakpoints[p_line].size() == 0)
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breakpoints.erase(p_line);
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}
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bool ScriptDebugger::is_breakpoint(int p_line, const StringName &p_source) const {
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if (!breakpoints.has(p_line))
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return false;
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return breakpoints[p_line].has(p_source);
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}
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bool ScriptDebugger::is_breakpoint_line(int p_line) const {
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return breakpoints.has(p_line);
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}
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String ScriptDebugger::breakpoint_find_source(const String &p_source) const {
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return p_source;
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}
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void ScriptDebugger::clear_breakpoints() {
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breakpoints.clear();
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}
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void ScriptDebugger::idle_poll() {
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}
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void ScriptDebugger::line_poll() {
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}
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void ScriptDebugger::set_break_language(ScriptLanguage *p_lang) {
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break_lang = p_lang;
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}
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ScriptLanguage *ScriptDebugger::get_break_language() const {
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return break_lang;
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}
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ScriptDebugger::ScriptDebugger() {
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singleton = this;
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lines_left = -1;
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depth = -1;
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break_lang = NULL;
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}
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bool PlaceHolderScriptInstance::set(const StringName &p_name, const Variant &p_value) {
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if (script->is_placeholder_fallback_enabled())
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return false;
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if (values.has(p_name)) {
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Variant defval;
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if (script->get_property_default_value(p_name, defval)) {
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if (defval == p_value) {
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values.erase(p_name);
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return true;
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}
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}
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values[p_name] = p_value;
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return true;
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} else {
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Variant defval;
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if (script->get_property_default_value(p_name, defval)) {
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if (defval != p_value) {
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values[p_name] = p_value;
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}
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return true;
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}
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}
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return false;
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}
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bool PlaceHolderScriptInstance::get(const StringName &p_name, Variant &r_ret) const {
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if (values.has(p_name)) {
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r_ret = values[p_name];
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return true;
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}
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if (constants.has(p_name)) {
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r_ret = constants[p_name];
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return true;
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}
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if (!script->is_placeholder_fallback_enabled()) {
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Variant defval;
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if (script->get_property_default_value(p_name, defval)) {
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r_ret = defval;
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return true;
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}
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}
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return false;
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}
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void PlaceHolderScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const {
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if (script->is_placeholder_fallback_enabled()) {
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for (const List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
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p_properties->push_back(E->get());
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}
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} else {
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for (const List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
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PropertyInfo pinfo = E->get();
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if (!values.has(pinfo.name)) {
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pinfo.usage |= PROPERTY_USAGE_SCRIPT_DEFAULT_VALUE;
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}
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p_properties->push_back(E->get());
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}
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}
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}
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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 {
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|
|
|
if (script->is_placeholder_fallback_enabled())
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|
return;
|
|
|
|
if (script.is_valid()) {
|
|
script->get_script_method_list(p_list);
|
|
}
|
|
}
|
|
bool PlaceHolderScriptInstance::has_method(const StringName &p_method) const {
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|
|
|
if (script->is_placeholder_fallback_enabled())
|
|
return false;
|
|
|
|
if (script.is_valid()) {
|
|
return script->has_method(p_method);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void PlaceHolderScriptInstance::update(const List<PropertyInfo> &p_properties, const Map<StringName, Variant> &p_values) {
|
|
|
|
Set<StringName> new_values;
|
|
for (const List<PropertyInfo>::Element *E = p_properties.front(); E; E = E->next()) {
|
|
|
|
StringName n = E->get().name;
|
|
new_values.insert(n);
|
|
|
|
if (!values.has(n) || values[n].get_type() != E->get().type) {
|
|
|
|
if (p_values.has(n))
|
|
values[n] = p_values[n];
|
|
}
|
|
}
|
|
|
|
properties = p_properties;
|
|
List<StringName> to_remove;
|
|
|
|
for (Map<StringName, Variant>::Element *E = values.front(); E; E = E->next()) {
|
|
|
|
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->get()) {
|
|
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->_change_notify();
|
|
}
|
|
//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()) {
|
|
Map<StringName, Variant>::Element *E = values.find(p_name);
|
|
|
|
if (E) {
|
|
E->value() = p_value;
|
|
} else {
|
|
values.insert(p_name, p_value);
|
|
}
|
|
|
|
bool found = false;
|
|
for (const List<PropertyInfo>::Element *F = properties.front(); F; F = F->next()) {
|
|
if (F->get().name == p_name) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
properties.push_back(PropertyInfo(p_value.get_type(), p_name, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | 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()) {
|
|
const Map<StringName, Variant>::Element *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);
|
|
}
|
|
}
|