godot/scene/main/node.h
Fabio Alessandrelli 5081ced57f Use MultiplayerAPI class for high level networking
Remove networking related logic from Node and SceneTree.
SceneTree now simply relay all networking related stuff to
MultiplayerAPI for compatibility
2018-03-03 18:34:22 +01:00

434 lines
14 KiB
C++

/*************************************************************************/
/* node.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef NODE_H
#define NODE_H
#include "class_db.h"
#include "map.h"
#include "node_path.h"
#include "object.h"
#include "project_settings.h"
#include "scene/main/scene_tree.h"
#include "script_language.h"
class Viewport;
class SceneState;
class Node : public Object {
GDCLASS(Node, Object);
OBJ_CATEGORY("Nodes");
public:
enum PauseMode {
PAUSE_MODE_INHERIT,
PAUSE_MODE_STOP,
PAUSE_MODE_PROCESS
};
enum DuplicateFlags {
DUPLICATE_SIGNALS = 1,
DUPLICATE_GROUPS = 2,
DUPLICATE_SCRIPTS = 4,
DUPLICATE_USE_INSTANCING = 8,
#ifdef TOOLS_ENABLED
DUPLICATE_FROM_EDITOR = 16,
#endif
};
enum RPCMode {
RPC_MODE_DISABLED, //no rpc for this method, calls to this will be blocked (default)
RPC_MODE_REMOTE, // using rpc() on it will call method / set property in all other peers
RPC_MODE_SYNC, // using rpc() on it will call method / set property in all other peers and locally
RPC_MODE_MASTER, // usinc rpc() on it will call method on wherever the master is, be it local or remote
RPC_MODE_SLAVE, // usinc rpc() on it will call method for all slaves, be it local or remote
};
struct Comparator {
bool operator()(const Node *p_a, const Node *p_b) const { return p_b->is_greater_than(p_a); }
};
private:
struct GroupData {
bool persistent;
SceneTree::Group *group;
GroupData() { persistent = false; }
};
struct Data {
String filename;
Ref<SceneState> instance_state;
Ref<SceneState> inherited_state;
HashMap<NodePath, int> editable_instances;
Node *parent;
Node *owner;
Vector<Node *> children; // list of children
int pos;
int depth;
int blocked; // safeguard that throws an error when attempting to modify the tree in a harmful way while being traversed.
StringName name;
SceneTree *tree;
bool inside_tree;
bool ready_notified; //this is a small hack, so if a node is added during _ready() to the tree, it correctly gets the _ready() notification
bool ready_first;
#ifdef TOOLS_ENABLED
NodePath import_path; //path used when imported, used by scene editors to keep tracking
#endif
Viewport *viewport;
Map<StringName, GroupData> grouped;
List<Node *>::Element *OW; // owned element
List<Node *> owned;
PauseMode pause_mode;
Node *pause_owner;
int network_master;
Map<StringName, RPCMode> rpc_methods;
Map<StringName, RPCMode> rpc_properties;
// variables used to properly sort the node when processing, ignored otherwise
//should move all the stuff below to bits
bool physics_process;
bool idle_process;
bool physics_process_internal;
bool idle_process_internal;
bool input;
bool unhandled_input;
bool unhandled_key_input;
bool parent_owned;
bool in_constructor;
bool use_placeholder;
bool display_folded;
mutable NodePath *path_cache;
} data;
enum NameCasing {
NAME_CASING_PASCAL_CASE,
NAME_CASING_CAMEL_CASE,
NAME_CASING_SNAKE_CASE
};
Ref<MultiplayerAPI> multiplayer_api;
void _print_tree(const Node *p_node);
Node *_get_node(const NodePath &p_path) const;
Node *_get_child_by_name(const StringName &p_name) const;
void _replace_connections_target(Node *p_new_target);
void _validate_child_name(Node *p_child, bool p_force_human_readable = false);
String _generate_serial_child_name(Node *p_child);
void _propagate_reverse_notification(int p_notification);
void _propagate_deferred_notification(int p_notification, bool p_reverse);
void _propagate_enter_tree();
void _propagate_ready();
void _propagate_exit_tree();
void _propagate_validate_owner();
void _print_stray_nodes();
void _propagate_pause_owner(Node *p_owner);
Array _get_node_and_resource(const NodePath &p_path);
void _duplicate_signals(const Node *p_original, Node *p_copy) const;
void _duplicate_and_reown(Node *p_new_parent, const Map<Node *, Node *> &p_reown_map) const;
Node *_duplicate(int p_flags, Map<const Node *, Node *> *r_duplimap = NULL) const;
Array _get_children() const;
Array _get_groups() const;
Variant _rpc_bind(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
Variant _rpc_unreliable_bind(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
Variant _rpc_id_bind(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
Variant _rpc_unreliable_id_bind(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
friend class SceneTree;
void _set_tree(SceneTree *p_tree);
protected:
void _block() { data.blocked++; }
void _unblock() { data.blocked--; }
void _notification(int p_notification);
virtual void add_child_notify(Node *p_child);
virtual void remove_child_notify(Node *p_child);
virtual void move_child_notify(Node *p_child);
void _propagate_replace_owner(Node *p_owner, Node *p_by_owner);
static void _bind_methods();
static String _get_name_num_separator();
friend class SceneState;
void _add_child_nocheck(Node *p_child, const StringName &p_name);
void _set_owner_nocheck(Node *p_owner);
void _set_name_nocheck(const StringName &p_name);
public:
enum {
// you can make your own, but don't use the same numbers as other notifications in other nodes
NOTIFICATION_ENTER_TREE = 10,
NOTIFICATION_EXIT_TREE = 11,
NOTIFICATION_MOVED_IN_PARENT = 12,
NOTIFICATION_READY = 13,
NOTIFICATION_PAUSED = 14,
NOTIFICATION_UNPAUSED = 15,
NOTIFICATION_PHYSICS_PROCESS = 16,
NOTIFICATION_PROCESS = 17,
NOTIFICATION_PARENTED = 18,
NOTIFICATION_UNPARENTED = 19,
NOTIFICATION_INSTANCED = 20,
NOTIFICATION_DRAG_BEGIN = 21,
NOTIFICATION_DRAG_END = 22,
NOTIFICATION_PATH_CHANGED = 23,
NOTIFICATION_TRANSLATION_CHANGED = 24,
NOTIFICATION_INTERNAL_PROCESS = 25,
NOTIFICATION_INTERNAL_PHYSICS_PROCESS = 26,
};
/* NODE/TREE */
StringName get_name() const;
void set_name(const String &p_name);
void add_child(Node *p_child, bool p_legible_unique_name = false);
void add_child_below_node(Node *p_node, Node *p_child, bool p_legible_unique_name = false);
void remove_child(Node *p_child);
int get_child_count() const;
Node *get_child(int p_index) const;
bool has_node(const NodePath &p_path) const;
Node *get_node(const NodePath &p_path) const;
Node *find_node(const String &p_mask, bool p_recursive = true, bool p_owned = true) const;
bool has_node_and_resource(const NodePath &p_path) const;
Node *get_node_and_resource(const NodePath &p_path, RES &r_res, Vector<StringName> &r_leftover_subpath, bool p_last_is_property = true) const;
Node *get_parent() const;
_FORCE_INLINE_ SceneTree *get_tree() const {
ERR_FAIL_COND_V(!data.tree, NULL);
return data.tree;
}
_FORCE_INLINE_ bool is_inside_tree() const { return data.inside_tree; }
bool is_a_parent_of(const Node *p_node) const;
bool is_greater_than(const Node *p_node) const;
NodePath get_path() const;
NodePath get_path_to(const Node *p_node) const;
Node *find_common_parent_with(const Node *p_node) const;
void add_to_group(const StringName &p_identifier, bool p_persistent = false);
void remove_from_group(const StringName &p_identifier);
bool is_in_group(const StringName &p_identifier) const;
struct GroupInfo {
StringName name;
bool persistent;
};
void get_groups(List<GroupInfo> *p_groups) const;
bool has_persistent_groups() const;
void move_child(Node *p_child, int p_pos);
void raise();
void set_owner(Node *p_owner);
Node *get_owner() const;
void get_owned_by(Node *p_by, List<Node *> *p_owned);
void remove_and_skip();
int get_index() const;
void print_tree();
void set_filename(const String &p_filename);
String get_filename() const;
void set_editable_instance(Node *p_node, bool p_editable);
bool is_editable_instance(Node *p_node) const;
void set_editable_instances(const HashMap<NodePath, int> &p_editable_instances);
HashMap<NodePath, int> get_editable_instances() const;
/* NOTIFICATIONS */
void propagate_notification(int p_notification);
void propagate_call(const StringName &p_method, const Array &p_args = Array(), const bool p_parent_first = false);
/* PROCESSING */
void set_physics_process(bool p_process);
float get_physics_process_delta_time() const;
bool is_physics_processing() const;
void set_process(bool p_idle_process);
float get_process_delta_time() const;
bool is_processing() const;
void set_physics_process_internal(bool p_process_internal);
bool is_physics_processing_internal() const;
void set_process_internal(bool p_idle_process_internal);
bool is_processing_internal() const;
void set_process_input(bool p_enable);
bool is_processing_input() const;
void set_process_unhandled_input(bool p_enable);
bool is_processing_unhandled_input() const;
void set_process_unhandled_key_input(bool p_enable);
bool is_processing_unhandled_key_input() const;
int get_position_in_parent() const;
Node *duplicate(int p_flags = DUPLICATE_GROUPS | DUPLICATE_SIGNALS | DUPLICATE_SCRIPTS) const;
Node *duplicate_and_reown(const Map<Node *, Node *> &p_reown_map) const;
#ifdef TOOLS_ENABLED
Node *duplicate_from_editor(Map<const Node *, Node *> &r_duplimap) const;
#endif
//Node *clone_tree() const;
// used by editors, to save what has changed only
void set_scene_instance_state(const Ref<SceneState> &p_state);
Ref<SceneState> get_scene_instance_state() const;
void set_scene_inherited_state(const Ref<SceneState> &p_state);
Ref<SceneState> get_scene_inherited_state() const;
void set_scene_instance_load_placeholder(bool p_enable);
bool get_scene_instance_load_placeholder() const;
static Vector<Variant> make_binds(VARIANT_ARG_LIST);
void replace_by(Node *p_node, bool p_keep_data = false);
void set_pause_mode(PauseMode p_mode);
PauseMode get_pause_mode() const;
bool can_process() const;
void request_ready();
static void print_stray_nodes();
#ifdef TOOLS_ENABLED
String validate_child_name(Node *p_child);
#endif
void queue_delete();
//hacks for speed
static void set_human_readable_collision_renaming(bool p_enabled);
static void init_node_hrcr();
void force_parent_owned() { data.parent_owned = true; } //hack to avoid duplicate nodes
#ifdef TOOLS_ENABLED
void set_import_path(const NodePath &p_import_path); //path used when imported, used by scene editors to keep tracking
NodePath get_import_path() const;
#endif
bool is_owned_by_parent() const;
void get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options) const;
void clear_internal_tree_resource_paths();
_FORCE_INLINE_ Viewport *get_viewport() const { return data.viewport; }
virtual String get_configuration_warning() const;
void update_configuration_warning();
void set_display_folded(bool p_folded);
bool is_displayed_folded() const;
/* NETWORK */
void set_network_master(int p_peer_id, bool p_recursive = true);
int get_network_master() const;
bool is_network_master() const;
void rpc_config(const StringName &p_method, RPCMode p_mode); // config a local method for RPC
void rset_config(const StringName &p_property, RPCMode p_mode); // config a local property for RPC
void rpc(const StringName &p_method, VARIANT_ARG_LIST); //rpc call, honors RPCMode
void rpc_unreliable(const StringName &p_method, VARIANT_ARG_LIST); //rpc call, honors RPCMode
void rpc_id(int p_peer_id, const StringName &p_method, VARIANT_ARG_LIST); //rpc call, honors RPCMode
void rpc_unreliable_id(int p_peer_id, const StringName &p_method, VARIANT_ARG_LIST); //rpc call, honors RPCMode
void rset(const StringName &p_property, const Variant &p_value); //remote set call, honors RPCMode
void rset_unreliable(const StringName &p_property, const Variant &p_value); //remote set call, honors RPCMode
void rset_id(int p_peer_id, const StringName &p_property, const Variant &p_value); //remote set call, honors RPCMode
void rset_unreliable_id(int p_peer_id, const StringName &p_property, const Variant &p_value); //remote set call, honors RPCMode
void rpcp(int p_peer_id, bool p_unreliable, const StringName &p_method, const Variant **p_arg, int p_argcount);
void rsetp(int p_peer_id, bool p_unreliable, const StringName &p_property, const Variant &p_value);
Ref<MultiplayerAPI> get_multiplayer_api() const;
Ref<MultiplayerAPI> get_custom_multiplayer_api() const;
void set_custom_multiplayer_api(Ref<MultiplayerAPI> p_multiplayer_api);
const Map<StringName, RPCMode>::Element *get_node_rpc_mode(const StringName &p_method);
const Map<StringName, RPCMode>::Element *get_node_rset_mode(const StringName &p_property);
bool can_call_rpc(const StringName &p_method, int p_from) const;
bool can_call_rset(const StringName &p_property, int p_from) const;
Node();
~Node();
};
VARIANT_ENUM_CAST(Node::DuplicateFlags);
typedef Set<Node *, Node::Comparator> NodeSet;
#endif