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Allow GDExtensions to add editor plugins

This commit is contained in:
David Snopek 2023-05-11 16:46:53 -05:00
parent 809a982162
commit 3007163210
9 changed files with 143 additions and 0 deletions
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22
core/extension/gdextension.cpp
View File

@ -677,3 +677,25 @@ String GDExtensionResourceLoader::get_resource_type(const String &p_path) const
}
return "";
}
#ifdef TOOLS_ENABLED
Vector<StringName> GDExtensionEditorPlugins::extension_classes;
GDExtensionEditorPlugins::EditorPluginRegisterFunc GDExtensionEditorPlugins::editor_node_add_plugin = nullptr;
GDExtensionEditorPlugins::EditorPluginRegisterFunc GDExtensionEditorPlugins::editor_node_remove_plugin = nullptr;
void GDExtensionEditorPlugins::add_extension_class(const StringName &p_class_name) {
if (editor_node_add_plugin) {
editor_node_add_plugin(p_class_name);
} else {
extension_classes.push_back(p_class_name);
}
}
void GDExtensionEditorPlugins::remove_extension_class(const StringName &p_class_name) {
if (editor_node_remove_plugin) {
editor_node_remove_plugin(p_class_name);
} else {
extension_classes.erase(p_class_name);
}
}
#endif // TOOLS_ENABLED

24
core/extension/gdextension.h
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@ -107,4 +107,28 @@ public:
virtual String get_resource_type(const String &p_path) const;
};
#ifdef TOOLS_ENABLED
class GDExtensionEditorPlugins {
private:
static Vector<StringName> extension_classes;
protected:
friend class EditorNode;
// Since this in core, we can't directly reference EditorNode, so it will
// set these function pointers in its constructor.
typedef void (*EditorPluginRegisterFunc)(const StringName &p_class_name);
static EditorPluginRegisterFunc editor_node_add_plugin;
static EditorPluginRegisterFunc editor_node_remove_plugin;
public:
static void add_extension_class(const StringName &p_class_name);
static void remove_extension_class(const StringName &p_class_name);
static const Vector<StringName> &get_extension_classes() {
return extension_classes;
}
};
#endif // TOOLS_ENABLED
#endif // GDEXTENSION_H

16
core/extension/gdextension_interface.cpp
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@ -1058,6 +1058,20 @@ static void *gdextension_classdb_get_class_tag(GDExtensionConstStringNamePtr p_c
return class_info ? class_info->class_ptr : nullptr;
}
static void gdextension_editor_add_plugin(GDExtensionConstStringNamePtr p_classname) {
#ifdef TOOLS_ENABLED
const StringName classname = *reinterpret_cast<const StringName *>(p_classname);
GDExtensionEditorPlugins::add_extension_class(classname);
#endif
}
static void gdextension_editor_remove_plugin(GDExtensionConstStringNamePtr p_classname) {
#ifdef TOOLS_ENABLED
const StringName classname = *reinterpret_cast<const StringName *>(p_classname);
GDExtensionEditorPlugins::remove_extension_class(classname);
#endif
}
#define REGISTER_INTERFACE_FUNC(m_name) GDExtension::register_interface_function(#m_name, (GDExtensionInterfaceFunctionPtr)&gdextension_##m_name)
void gdextension_setup_interface() {
@ -1185,6 +1199,8 @@ void gdextension_setup_interface() {
REGISTER_INTERFACE_FUNC(classdb_construct_object);
REGISTER_INTERFACE_FUNC(classdb_get_method_bind);
REGISTER_INTERFACE_FUNC(classdb_get_class_tag);
REGISTER_INTERFACE_FUNC(editor_add_plugin);
REGISTER_INTERFACE_FUNC(editor_remove_plugin);
}
#undef REGISTER_INTERFACE_FUNCTION

20
core/extension/gdextension_interface.h
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@ -2128,6 +2128,26 @@ typedef void (*GDExtensionInterfaceClassdbUnregisterExtensionClass)(GDExtensionC
*/
typedef void (*GDExtensionInterfaceGetLibraryPath)(GDExtensionClassLibraryPtr p_library, GDExtensionUninitializedStringPtr r_path);
/**
* @name editor_add_plugin
*
* Adds an editor plugin.
*
* It's safe to call during initialization.
*
* @param p_class_name A pointer to a StringName with the name of a class (descending from EditorPlugin) which is already registered with ClassDB.
*/
typedef void (*GDExtensionInterfaceEditorAddPlugin)(GDExtensionConstStringNamePtr p_class_name);
/**
* @name editor_remove_plugin
*
* Removes an editor plugin.
*
* @param p_class_name A pointer to a StringName with the name of a class that was previously added as an editor plugin.
*/
typedef void (*GDExtensionInterfaceEditorRemovePlugin)(GDExtensionConstStringNamePtr p_class_name);
#ifdef __cplusplus
}
#endif

18
editor/editor_data.cpp
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@ -485,6 +485,24 @@ EditorPlugin *EditorData::get_editor_plugin(int p_idx) {
return editor_plugins[p_idx];
}
void EditorData::add_extension_editor_plugin(const StringName &p_class_name, EditorPlugin *p_plugin) {
ERR_FAIL_COND(extension_editor_plugins.has(p_class_name));
extension_editor_plugins.insert(p_class_name, p_plugin);
}
void EditorData::remove_extension_editor_plugin(const StringName &p_class_name) {
extension_editor_plugins.erase(p_class_name);
}
bool EditorData::has_extension_editor_plugin(const StringName &p_class_name) {
return extension_editor_plugins.has(p_class_name);
}
EditorPlugin *EditorData::get_extension_editor_plugin(const StringName &p_class_name) {
EditorPlugin **plugin = extension_editor_plugins.getptr(p_class_name);
return plugin == nullptr ? nullptr : *plugin;
}
void EditorData::add_custom_type(const String &p_type, const String &p_inherits, const Ref<Script> &p_script, const Ref<Texture2D> &p_icon) {
ERR_FAIL_COND_MSG(p_script.is_null(), "It's not a reference to a valid Script object.");
CustomType ct;

6
editor/editor_data.h
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@ -124,6 +124,7 @@ public:
private:
Vector<EditorPlugin *> editor_plugins;
HashMap<StringName, EditorPlugin *> extension_editor_plugins;
struct PropertyData {
String name;
@ -170,6 +171,11 @@ public:
int get_editor_plugin_count() const;
EditorPlugin *get_editor_plugin(int p_idx);
void add_extension_editor_plugin(const StringName &p_class_name, EditorPlugin *p_plugin);
void remove_extension_editor_plugin(const StringName &p_class_name);
bool has_extension_editor_plugin(const StringName &p_class_name);
EditorPlugin *get_extension_editor_plugin(const StringName &p_class_name);
void add_undo_redo_inspector_hook_callback(Callable p_callable); // Callbacks should have this signature: void (Object* undo_redo, Object *modified_object, String property, Variant new_value)
void remove_undo_redo_inspector_hook_callback(Callable p_callable);
const Vector<Callable> get_undo_redo_inspector_hook_callback();

4
editor/editor_interface.h
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@ -41,6 +41,7 @@ class EditorCommandPalette;
class EditorFileSystem;
class EditorInspector;
class EditorPaths;
class EditorPlugin;
class EditorResourcePreview;
class EditorSelection;
class EditorSettings;
@ -83,6 +84,9 @@ public:
void set_plugin_enabled(const String &p_plugin, bool p_enabled);
bool is_plugin_enabled(const String &p_plugin) const;
void add_editor_plugin(EditorPlugin *p_plugin);
void remove_editor_plugin(EditorPlugin *p_plugin);
// Editor GUI.
Control *get_base_control() const;

30
editor/editor_node.cpp
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@ -3243,6 +3243,30 @@ void EditorNode::remove_editor_plugin(EditorPlugin *p_editor, bool p_config_chan
}
}
void EditorNode::add_extension_editor_plugin(const StringName &p_class_name) {
ERR_FAIL_COND_MSG(!ClassDB::class_exists(p_class_name), vformat("No such editor plugin registered: %s", p_class_name));
ERR_FAIL_COND_MSG(!ClassDB::is_parent_class(p_class_name, SNAME("EditorPlugin")), vformat("Class is not an editor plugin: %s", p_class_name));
ERR_FAIL_COND_MSG(singleton->editor_data.has_extension_editor_plugin(p_class_name), vformat("Editor plugin already added for class: %s", p_class_name));
EditorPlugin *plugin = Object::cast_to<EditorPlugin>(ClassDB::instantiate(p_class_name));
singleton->editor_data.add_extension_editor_plugin(p_class_name, plugin);
add_editor_plugin(plugin);
}
void EditorNode::remove_extension_editor_plugin(const StringName &p_class_name) {
// If we're exiting, the editor plugins will get cleaned up anyway, so don't do anything.
if (singleton->exiting) {
return;
}
ERR_FAIL_COND_MSG(!singleton->editor_data.has_extension_editor_plugin(p_class_name), vformat("No editor plugin added for class: %s", p_class_name));
EditorPlugin *plugin = singleton->editor_data.get_extension_editor_plugin(p_class_name);
remove_editor_plugin(plugin);
memfree(plugin);
singleton->editor_data.remove_extension_editor_plugin(p_class_name);
}
void EditorNode::_update_addon_config() {
if (_initializing_plugins) {
return;
@ -7769,6 +7793,12 @@ EditorNode::EditorNode() {
add_editor_plugin(EditorPlugins::create(i));
}
for (const StringName &extension_class_name : GDExtensionEditorPlugins::get_extension_classes()) {
add_extension_editor_plugin(extension_class_name);
}
GDExtensionEditorPlugins::editor_node_add_plugin = &EditorNode::add_extension_editor_plugin;
GDExtensionEditorPlugins::editor_node_remove_plugin = &EditorNode::remove_extension_editor_plugin;
for (int i = 0; i < plugin_init_callback_count; i++) {
plugin_init_callbacks[i]();
}

3
editor/editor_node.h
View File

@ -739,6 +739,9 @@ public:
static void add_editor_plugin(EditorPlugin *p_editor, bool p_config_changed = false);
static void remove_editor_plugin(EditorPlugin *p_editor, bool p_config_changed = false);
static void add_extension_editor_plugin(const StringName &p_class_name);
static void remove_extension_editor_plugin(const StringName &p_class_name);
static void add_plugin_init_callback(EditorPluginInitializeCallback p_callback);
static void add_init_callback(EditorNodeInitCallback p_callback) { _init_callbacks.push_back(p_callback); }
static void add_build_callback(EditorBuildCallback p_callback);