/*************************************************************************/
/*  room_manager_editor_plugin.cpp                                       */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
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/*************************************************************************/

#include "room_manager_editor_plugin.h"

#include "editor/spatial_editor_gizmos.h"

void RoomManagerEditorPlugin::_rooms_convert() {
	if (_room_manager) {
		_room_manager->rooms_convert();
	}
}

void RoomManagerEditorPlugin::_flip_portals() {
	if (_room_manager) {
		_room_manager->rooms_flip_portals();
	}
}

void RoomManagerEditorPlugin::edit(Object *p_object) {
	RoomManager *s = Object::cast_to<RoomManager>(p_object);
	if (!s) {
		return;
	}

	_room_manager = s;
}

bool RoomManagerEditorPlugin::handles(Object *p_object) const {
	return p_object->is_class("RoomManager");
}

void RoomManagerEditorPlugin::make_visible(bool p_visible) {
	if (p_visible) {
		button_rooms_convert->show();
		button_flip_portals->show();
	} else {
		button_rooms_convert->hide();
		button_flip_portals->hide();
	}
}

void RoomManagerEditorPlugin::_bind_methods() {
	ClassDB::bind_method("_rooms_convert", &RoomManagerEditorPlugin::_rooms_convert);
	ClassDB::bind_method("_flip_portals", &RoomManagerEditorPlugin::_flip_portals);
}

RoomManagerEditorPlugin::RoomManagerEditorPlugin(EditorNode *p_node) {
	editor = p_node;

	button_flip_portals = memnew(ToolButton);
	button_flip_portals->set_icon(editor->get_gui_base()->get_icon("Portal", "EditorIcons"));
	button_flip_portals->set_text(TTR("Flip Portals"));
	button_flip_portals->hide();
	button_flip_portals->connect("pressed", this, "_flip_portals");
	add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU, button_flip_portals);

	button_rooms_convert = memnew(ToolButton);
	button_rooms_convert->set_icon(editor->get_gui_base()->get_icon("RoomGroup", "EditorIcons"));
	button_rooms_convert->set_text(TTR("Convert Rooms"));
	button_rooms_convert->hide();
	button_rooms_convert->connect("pressed", this, "_rooms_convert");
	add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU, button_rooms_convert);

	_room_manager = nullptr;

	Ref<RoomGizmoPlugin> room_gizmo_plugin = Ref<RoomGizmoPlugin>(memnew(RoomGizmoPlugin));
	SpatialEditor::get_singleton()->add_gizmo_plugin(room_gizmo_plugin);

	Ref<PortalGizmoPlugin> portal_gizmo_plugin = Ref<PortalGizmoPlugin>(memnew(PortalGizmoPlugin));
	SpatialEditor::get_singleton()->add_gizmo_plugin(portal_gizmo_plugin);
}

RoomManagerEditorPlugin::~RoomManagerEditorPlugin() {
}

///////////////////////

void RoomEditorPlugin::_generate_points() {
	if (_room) {
		PoolVector<Vector3> old_pts = _room->get_points();

		// only generate points if none already exist
		if (_room->_bound_pts.size()) {
			_room->set_points(PoolVector<Vector3>());
		}

		PoolVector<Vector3> pts = _room->generate_points();

		// allow the user to undo generating points, because it is
		// frustrating to lose old data
		undo_redo->create_action("generate_points");
		undo_redo->add_do_property(_room, "points", pts);
		undo_redo->add_undo_property(_room, "points", old_pts);
		undo_redo->commit_action();
	}
}

void RoomEditorPlugin::edit(Object *p_object) {
	Room *s = Object::cast_to<Room>(p_object);
	if (!s) {
		return;
	}

	_room = s;

	if (SpatialEditor::get_singleton()->is_visible() && s->_planes.size()) {
		String string = String(s->get_name()) + " [" + itos(s->_planes.size()) + " planes]";
		SpatialEditor::get_singleton()->set_message(string);
	}
}

bool RoomEditorPlugin::handles(Object *p_object) const {
	return p_object->is_class("Room");
}

void RoomEditorPlugin::make_visible(bool p_visible) {
	if (p_visible) {
		button_generate->show();
	} else {
		button_generate->hide();
	}
}

void RoomEditorPlugin::_bind_methods() {
	ClassDB::bind_method("_generate_points", &RoomEditorPlugin::_generate_points);
}

RoomEditorPlugin::RoomEditorPlugin(EditorNode *p_node) {
	editor = p_node;

	button_generate = memnew(ToolButton);
	button_generate->set_icon(editor->get_gui_base()->get_icon("Room", "EditorIcons"));
	button_generate->set_text(TTR("Generate Points"));
	button_generate->hide();
	button_generate->connect("pressed", this, "_generate_points");
	add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU, button_generate);

	_room = nullptr;

	undo_redo = EditorNode::get_undo_redo();
}

RoomEditorPlugin::~RoomEditorPlugin() {
}