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Expose _validate_property() for scripting

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This commit is contained in:
kobewi 2023-04-07 14:01:57 +02:00
parent 713bfaf5ea
commit 67db4693eb
9 changed files with 111 additions and 2 deletions
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6
core/object/object.cpp
View file

@ -526,6 +526,10 @@ void Object::get_property_list(List<PropertyInfo> *p_list, bool p_reversed) cons
void Object::validate_property(PropertyInfo &p_property) const {
_validate_propertyv(p_property);
if (script_instance) { // Call it last to allow user altering already validated properties.
script_instance->validate_property(p_property);
}
}
bool Object::property_can_revert(const StringName &p_name) const {
@ -1604,6 +1608,8 @@ void Object::_bind_methods() {
plget.return_val.hint_string = "Dictionary";
BIND_OBJ_CORE_METHOD(plget);
BIND_OBJ_CORE_METHOD(MethodInfo(Variant::NIL, "_validate_property", PropertyInfo(Variant::DICTIONARY, "property")));
BIND_OBJ_CORE_METHOD(MethodInfo(Variant::BOOL, "_property_can_revert", PropertyInfo(Variant::STRING_NAME, "property")));
MethodInfo mipgr("_property_get_revert", PropertyInfo(Variant::STRING_NAME, "property"));
mipgr.return_val.name = "Variant";

2
core/object/script_language.h
View file

@ -179,6 +179,7 @@ public:
virtual bool get(const StringName &p_name, Variant &r_ret) const = 0;
virtual void get_property_list(List<PropertyInfo> *p_properties) const = 0;
virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = nullptr) const = 0;
virtual void validate_property(PropertyInfo &p_property) const = 0;
virtual bool property_can_revert(const StringName &p_name) const = 0;
virtual bool property_get_revert(const StringName &p_name, Variant &r_ret) const = 0;
@ -462,6 +463,7 @@ public:
virtual bool get(const StringName &p_name, Variant &r_ret) const override;
virtual void get_property_list(List<PropertyInfo> *p_properties) const override;
virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = nullptr) const override;
virtual void validate_property(PropertyInfo &p_property) const override {}
virtual bool property_can_revert(const StringName &p_name) const override { return false; };
virtual bool property_get_revert(const StringName &p_name, Variant &r_ret) const override { return false; };

3
core/object/script_language_extension.h
View file

@ -675,6 +675,9 @@ public:
}
return Variant::NIL;
}
virtual void validate_property(PropertyInfo &p_property) const override {
// TODO
}
virtual bool property_can_revert(const StringName &p_name) const override {
if (native_info->property_can_revert_func) {

53
doc/classes/Object.xml
View file

@ -269,6 +269,59 @@
[/codeblock]
</description>
</method>
<method name="_validate_property" qualifiers="virtual">
<return type="void" />
<param index="0" name="property" type="Dictionary" />
<description>
Override this method to customize existing properties. Every property info goes through this method. The dictionary contents is the same as in [method _get_property_list].
[codeblocks]
[gdscript]
@tool
extends Node
@export var is_number_editable: bool:
set(value):
is_number_editable = value
notify_property_list_changed()
@export var number: int
func _validate_property(property: Dictionary):
if property.name == "number" and not is_number_editable:
property.usage |= PROPERTY_USAGE_READ_ONLY
[/gdscript]
[csharp]
[Tool]
public partial class MyNode : Node
{
private bool _isNumberEditable;
[Export]
public bool IsNumberEditable
{
get =&gt; _isNumberEditable;
set
{
_isNumberEditable = value;
NotifyPropertyListChanged();
}
}
[Export]
public int Number { get; set; }
public override void _ValidateProperty(Godot.Collections.Dictionary property)
{
if (property["name"].AsStringName() == PropertyName.Number &amp;&amp; IsNumberEditable)
{
var usage = property["usage"].As&gt;PropertyUsageFlags&lt;() | PropertyUsageFlags.ReadOnly;
property["usage"] = (int)usage;
}
}
}
[/csharp]
[/codeblocks]
</description>
</method>
<method name="add_user_signal">
<return type="void" />
<param index="0" name="signal" type="String" />

23
modules/gdscript/gdscript.cpp
View file

@ -1728,6 +1728,25 @@ Variant::Type GDScriptInstance::get_property_type(const StringName &p_name, bool
return Variant::NIL;
}
void GDScriptInstance::validate_property(PropertyInfo &p_property) const {
Variant property = (Dictionary)p_property;
const Variant *args[1] = { &property };
const GDScript *sptr = script.ptr();
while (sptr) {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._validate_property);
if (E) {
Callable::CallError err;
Variant ret = E->value->call(const_cast<GDScriptInstance *>(this), args, 1, err);
if (err.error == Callable::CallError::CALL_OK) {
p_property = PropertyInfo::from_dict(property);
return;
}
}
sptr = sptr->_base;
}
}
void GDScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const {
// exported members, not done yet!
@ -1793,7 +1812,8 @@ void GDScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const
p_properties->push_back(sptr->get_class_category());
#endif // TOOLS_ENABLED
for (const PropertyInfo &prop : props) {
for (PropertyInfo &prop : props) {
validate_property(prop);
p_properties->push_back(prop);
}
@ -2616,6 +2636,7 @@ GDScriptLanguage::GDScriptLanguage() {
strings._set = StaticCString::create("_set");
strings._get = StaticCString::create("_get");
strings._get_property_list = StaticCString::create("_get_property_list");
strings._validate_property = StaticCString::create("_validate_property");
strings._property_can_revert = StaticCString::create("_property_can_revert");
strings._property_get_revert = StaticCString::create("_property_get_revert");
strings._script_source = StaticCString::create("script/source");

2
modules/gdscript/gdscript.h
View file

@ -319,6 +319,7 @@ public:
virtual bool get(const StringName &p_name, Variant &r_ret) const;
virtual void get_property_list(List<PropertyInfo> *p_properties) const;
virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = nullptr) const;
virtual void validate_property(PropertyInfo &p_property) const;
virtual bool property_can_revert(const StringName &p_name) const;
virtual bool property_get_revert(const StringName &p_name, Variant &r_ret) const;
@ -466,6 +467,7 @@ public:
StringName _set;
StringName _get;
StringName _get_property_list;
StringName _validate_property;
StringName _property_can_revert;
StringName _property_get_revert;
StringName _script_source;

21
modules/mono/csharp_script.cpp
View file

@ -1656,7 +1656,8 @@ void CSharpInstance::get_property_list(List<PropertyInfo> *p_properties) const {
}
}
for (const PropertyInfo &prop : props) {
for (PropertyInfo &prop : props) {
validate_property(prop);
p_properties->push_back(prop);
}
}
@ -1694,6 +1695,24 @@ bool CSharpInstance::property_can_revert(const StringName &p_name) const {
return (bool)ret;
}
void CSharpInstance::validate_property(PropertyInfo &p_property) const {
ERR_FAIL_COND(!script.is_valid());
Variant property_arg = (Dictionary)p_property;
const Variant *args[1] = { &property_arg };
Variant ret;
Callable::CallError call_error;
GDMonoCache::managed_callbacks.CSharpInstanceBridge_Call(
gchandle.get_intptr(), &SNAME("_validate_property"), args, 1, &call_error, &ret);
if (call_error.error != Callable::CallError::CALL_OK) {
return;
}
p_property = PropertyInfo::from_dict(property_arg);
}
bool CSharpInstance::property_get_revert(const StringName &p_name, Variant &r_ret) const {
ERR_FAIL_COND_V(!script.is_valid(), false);

1
modules/mono/csharp_script.h
View file

@ -255,6 +255,7 @@ public:
bool get(const StringName &p_name, Variant &r_ret) const override;
void get_property_list(List<PropertyInfo> *p_properties) const override;
Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid) const override;
virtual void validate_property(PropertyInfo &p_property) const override;
bool property_can_revert(const StringName &p_name) const override;
bool property_get_revert(const StringName &p_name, Variant &r_ret) const override;

2
tests/core/object/test_object.h
View file

@ -82,6 +82,8 @@ public:
Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid) const override {
return Variant::PACKED_FLOAT32_ARRAY;
}
virtual void validate_property(PropertyInfo &p_property) const override {
}
bool property_can_revert(const StringName &p_name) const override {
return false;
};