342 lines
10 KiB
C++
342 lines
10 KiB
C++
/*************************************************************************/
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/* node.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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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 NODE_H
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#define NODE_H
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#include "object.h"
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#include "path_db.h"
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#include "map.h"
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#include "object_type_db.h"
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#include "script_language.h"
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#include "scene/main/scene_main_loop.h"
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class Viewport;
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class SceneState;
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class Node : public Object {
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OBJ_TYPE( Node, Object );
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OBJ_CATEGORY("Nodes");
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public:
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enum PauseMode {
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PAUSE_MODE_INHERIT,
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PAUSE_MODE_STOP,
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PAUSE_MODE_PROCESS
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};
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struct Comparator {
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bool operator()(const Node* p_a, const Node* p_b) const { return p_b->is_greater_than(p_a); }
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};
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private:
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struct GroupData {
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bool persistent;
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SceneTree::Group *group;
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GroupData() { persistent=false; }
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};
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struct Data {
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String filename;
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Ref<SceneState> instance_state;
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Ref<SceneState> inherited_state;
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HashMap<NodePath,int> editable_instances;
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Node *parent;
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Node *owner;
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Vector<Node*> children; // list of children
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int pos;
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int depth;
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int blocked; // safeguard that throws an error when attempting to modify the tree in a harmful way while being traversed.
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StringName name;
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SceneTree *tree;
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bool inside_tree;
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#ifdef TOOLS_ENABLED
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NodePath import_path; //path used when imported, used by scene editors to keep tracking
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#endif
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Viewport *viewport;
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Map< StringName, GroupData> grouped;
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List<Node*>::Element *OW; // owned element
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List<Node*> owned;
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PauseMode pause_mode;
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Node *pause_owner;
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// variables used to properly sort the node when processing, ignored otherwise
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//should move all the stuff below to bits
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bool fixed_process;
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bool idle_process;
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bool input;
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bool unhandled_input;
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bool unhandled_key_input;
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bool parent_owned;
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bool in_constructor;
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bool use_placeholder;
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bool display_folded;
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} data;
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void _print_tree(const Node *p_node);
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virtual bool _use_builtin_script() const { return true; }
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Node *_get_node(const NodePath& p_path) const;
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Node *_get_child_by_name(const StringName& p_name) const;
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void _replace_connections_target(Node* p_new_target);
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void _validate_child_name(Node *p_name, bool p_force_human_readable=false);
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void _propagate_reverse_notification(int p_notification);
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void _propagate_deferred_notification(int p_notification, bool p_reverse);
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void _propagate_enter_tree();
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void _propagate_ready();
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void _propagate_exit_tree();
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void _propagate_validate_owner();
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void _print_stray_nodes();
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void _propagate_pause_owner(Node*p_owner);
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Array _get_node_and_resource(const NodePath& p_path);
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void _duplicate_signals(const Node* p_original,Node* p_copy) const;
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void _duplicate_and_reown(Node* p_new_parent, const Map<Node*,Node*>& p_reown_map) const;
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Array _get_children() const;
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Array _get_groups() const;
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friend class SceneTree;
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void _set_tree(SceneTree *p_tree);
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protected:
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void _block() { data.blocked++; }
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void _unblock() { data.blocked--; }
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void _notification(int p_notification);
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virtual void add_child_notify(Node *p_child);
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virtual void remove_child_notify(Node *p_child);
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virtual void move_child_notify(Node *p_child);
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//void remove_and_delete_child(Node *p_child);
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void _propagate_replace_owner(Node *p_owner,Node* p_by_owner);
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static void _bind_methods();
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friend class SceneState;
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void _add_child_nocheck(Node* p_child,const StringName& p_name);
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void _set_owner_nocheck(Node* p_owner);
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void _set_name_nocheck(const StringName& p_name);
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public:
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enum {
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// you can make your own, but don't use the same numbers as other notifications in other nodes
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NOTIFICATION_ENTER_TREE=10,
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NOTIFICATION_EXIT_TREE =11,
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NOTIFICATION_MOVED_IN_PARENT =12,
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NOTIFICATION_READY=13,
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//NOTIFICATION_PARENT_DECONFIGURED =15, - it's confusing, it's going away
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NOTIFICATION_PAUSED=14,
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NOTIFICATION_UNPAUSED=15,
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NOTIFICATION_FIXED_PROCESS = 16,
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NOTIFICATION_PROCESS = 17,
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NOTIFICATION_PARENTED=18,
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NOTIFICATION_UNPARENTED=19,
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NOTIFICATION_INSTANCED=20,
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NOTIFICATION_DRAG_BEGIN=21,
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NOTIFICATION_DRAG_END=22,
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};
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/* NODE/TREE */
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StringName get_name() const;
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void set_name(const String& p_name);
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void add_child(Node *p_child,bool p_legible_unique_name=false);
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void add_child_below_node(Node *p_node, Node *p_child, bool p_legible_unique_name=false);
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void remove_child(Node *p_child);
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int get_child_count() const;
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Node *get_child(int p_index) const;
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bool has_node(const NodePath& p_path) const;
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Node *get_node(const NodePath& p_path) const;
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Node* find_node(const String& p_mask,bool p_recursive=true,bool p_owned=true) const;
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bool has_node_and_resource(const NodePath& p_path) const;
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Node *get_node_and_resource(const NodePath& p_path,RES& r_res) const;
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Node *get_parent() const;
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_FORCE_INLINE_ SceneTree *get_tree() const { ERR_FAIL_COND_V( !data.tree, NULL ); return data.tree; }
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_FORCE_INLINE_ bool is_inside_tree() const { return data.inside_tree; }
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bool is_a_parent_of(const Node *p_node) const;
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bool is_greater_than(const Node *p_node) const;
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NodePath get_path() const;
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NodePath get_path_to(const Node *p_node) const;
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void add_to_group(const StringName& p_identifier,bool p_persistent=false);
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void remove_from_group(const StringName& p_identifier);
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bool is_in_group(const StringName& p_identifier) const;
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struct GroupInfo {
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StringName name;
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bool persistent;
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};
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void get_groups(List<GroupInfo> *p_groups) const;
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bool has_persistent_groups() const;
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void move_child(Node *p_child,int p_pos);
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void raise();
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void set_owner(Node *p_owner);
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Node *get_owner() const;
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void get_owned_by(Node *p_by,List<Node*> *p_owned);
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void remove_and_skip();
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int get_index() const;
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void print_tree();
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void set_filename(const String& p_filename);
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String get_filename() const;
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void set_editable_instance(Node* p_node,bool p_editable);
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bool is_editable_instance(Node* p_node) const;
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void set_editable_instances(const HashMap<NodePath,int>& p_editable_instances);
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HashMap<NodePath,int> get_editable_instances() const;
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/* NOTIFICATIONS */
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void propagate_notification(int p_notification);
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/* PROCESSING */
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void set_fixed_process(bool p_process);
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float get_fixed_process_delta_time() const;
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bool is_fixed_processing() const;
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void set_process(bool p_process);
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float get_process_delta_time() const;
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bool is_processing() const;
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void set_process_input(bool p_enable);
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bool is_processing_input() const;
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void set_process_unhandled_input(bool p_enable);
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bool is_processing_unhandled_input() const;
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void set_process_unhandled_key_input(bool p_enable);
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bool is_processing_unhandled_key_input() const;
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int get_position_in_parent() const;
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Node *duplicate(bool p_use_instancing=false) const;
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Node *duplicate_and_reown(const Map<Node*,Node*>& p_reown_map) const;
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//Node *clone_tree() const;
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// used by editors, to save what has changed only
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void set_scene_instance_state(const Ref<SceneState>& p_state);
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Ref<SceneState> get_scene_instance_state() const;
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void set_scene_inherited_state(const Ref<SceneState>& p_state);
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Ref<SceneState> get_scene_inherited_state() const;
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void set_scene_instance_load_placeholder(bool p_enable);
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bool get_scene_instance_load_placeholder() const;
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static Vector<Variant> make_binds(VARIANT_ARG_LIST);
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void replace_by(Node* p_node,bool p_keep_data=false);
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void set_pause_mode(PauseMode p_mode);
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PauseMode get_pause_mode() const;
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bool can_process() const;
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static void print_stray_nodes();
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String validate_child_name(const String& p_name) const;
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void queue_delete();
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//shitty hacks for speed
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static void set_human_readable_collision_renaming(bool p_enabled);
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static void init_node_hrcr();
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void force_parent_owned() { data.parent_owned=true; } //hack to avoid duplicate nodes
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#ifdef TOOLS_ENABLED
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void set_import_path(const NodePath& p_import_path); //path used when imported, used by scene editors to keep tracking
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NodePath get_import_path() const;
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#endif
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bool is_owned_by_parent() const;
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void get_argument_options(const StringName& p_function,int p_idx,List<String>*r_options) const;
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void clear_internal_tree_resource_paths();
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_FORCE_INLINE_ Viewport *get_viewport() const { return data.viewport; }
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virtual String get_configuration_warning() const;
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void update_configuration_warning();
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void set_display_folded(bool p_folded);
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bool is_displayed_folded() const;
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/* CANVAS */
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Node();
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~Node();
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};
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typedef Set<Node*,Node::Comparator> NodeSet;
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#endif
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