b5334d14f7
Happy new year to the wonderful Godot community!
2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.
We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)
Here's to a great year 2021 for all Godot users 🎆
127 lines
5.1 KiB
C++
127 lines
5.1 KiB
C++
/*************************************************************************/
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/* container_type_validate.h */
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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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 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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#ifndef CONTAINER_TYPE_VALIDATE_H
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#define CONTAINER_TYPE_VALIDATE_H
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#include "core/object/script_language.h"
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#include "core/variant/variant.h"
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struct ContainerTypeValidate {
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Variant::Type type = Variant::NIL;
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StringName class_name;
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Ref<Script> script;
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const char *where = "container";
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_FORCE_INLINE_ bool can_reference(const ContainerTypeValidate &p_type) const {
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if (type == p_type.type) {
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if (type != Variant::OBJECT) {
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return true; //nothing else to check
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}
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} else {
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return false;
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}
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//both are object
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if ((class_name != StringName()) != (p_type.class_name != StringName())) {
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return false; //both need to have class or none
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}
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if (class_name != p_type.class_name) {
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if (!ClassDB::is_parent_class(p_type.class_name, class_name)) {
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return false;
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}
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}
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if (script.is_null() != p_type.script.is_null()) {
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return false;
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}
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if (script != p_type.script) {
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if (!p_type.script->inherits_script(script)) {
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return false;
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}
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}
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return true;
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}
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_FORCE_INLINE_ bool validate(const Variant &p_variant, const char *p_operation = "use") {
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if (type == Variant::NIL) {
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return true;
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}
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ERR_FAIL_COND_V_MSG(type != p_variant.get_type(), false, "Attempted to " + String(p_operation) + " a variable of type '" + Variant::get_type_name(p_variant.get_type()) + "' into a " + where + " of type '" + Variant::get_type_name(type) + "'.");
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if (type != p_variant.get_type()) {
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return false;
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}
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if (type != Variant::OBJECT) {
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return true;
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}
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#ifdef DEBUG_ENABLED
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ObjectID object_id = p_variant;
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if (object_id == ObjectID()) {
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return true; //fine its null;
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}
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Object *object = ObjectDB::get_instance(object_id);
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ERR_FAIL_COND_V_MSG(object == nullptr, false, "Attempted to " + String(p_operation) + " an invalid (previously freed?) object instance into a '" + String(where) + ".");
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#else
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Object *object = p_variant;
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if (object == nullptr) {
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return true; //fine
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}
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#endif
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if (class_name == StringName()) {
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return true; //all good, no class type requested
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}
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StringName obj_class = object->get_class_name();
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if (obj_class != class_name) {
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ERR_FAIL_COND_V_MSG(!ClassDB::is_parent_class(object->get_class_name(), class_name), false, "Attempted to " + String(p_operation) + " an object of type '" + object->get_class() + "' into a " + where + ", which does not inherit from '" + String(class_name) + "'.");
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}
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if (script.is_null()) {
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return true; //all good
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}
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Ref<Script> other_script = object->get_script();
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//check base script..
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ERR_FAIL_COND_V_MSG(other_script.is_null(), false, "Attempted to " + String(p_operation) + " an object into a " + String(where) + ", that does not inherit from '" + String(script->get_class_name()) + "'.");
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ERR_FAIL_COND_V_MSG(!other_script->inherits_script(script), false, "Attempted to " + String(p_operation) + " an object into a " + String(where) + ", that does not inherit from '" + String(script->get_class_name()) + "'.");
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return true;
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}
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};
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#endif // CONTAINER_TYPE_VALIDATE_H
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