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navigation_server_3d.h
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/*************************************************************************/
/* navigation_server_3d.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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. */
/*************************************************************************/
/**
@author AndreaCatania
*/
#ifndef NAVIGATION_SERVER_H
#define NAVIGATION_SERVER_H
#include "core/class_db.h"
#include "core/rid.h"
#include "scene/3d/navigation_region_3d.h"
/// This server uses the concept of internal mutability.
/// All the constant functions can be called in multithread because internally
/// the server takes care to schedule the functions access.
///
/// Note: All the `set` functions are commands executed during the `sync` phase,
/// don't expect that a change is immediately propagated.
class NavigationServer3D : public Object {
GDCLASS(NavigationServer3D, Object);
static NavigationServer3D *singleton;
protected:
static void _bind_methods();
public:
/// Thread safe, can be used across many threads.
static const NavigationServer3D *get_singleton();
/// MUST be used in single thread!
static NavigationServer3D *get_singleton_mut();
/// Create a new map.
virtual RID map_create() const = 0;
/// Set map active.
virtual void map_set_active(RID p_map, bool p_active) const = 0;
/// Returns true if the map is active.
virtual bool map_is_active(RID p_map) const = 0;
/// Set the map UP direction.
virtual void map_set_up(RID p_map, Vector3 p_up) const = 0;
/// Returns the map UP direction.
virtual Vector3 map_get_up(RID p_map) const = 0;
/// Set the map cell size used to weld the navigation mesh polygons.
virtual void map_set_cell_size(RID p_map, real_t p_cell_size) const = 0;
/// Returns the map cell size.
virtual real_t map_get_cell_size(RID p_map) const = 0;
/// Set the map edge connection margin used to weld the compatible region edges.
virtual void map_set_edge_connection_margin(RID p_map, real_t p_connection_margin) const = 0;
/// Returns the edge connection margin of this map.
virtual real_t map_get_edge_connection_margin(RID p_map) const = 0;
/// Returns the navigation path to reach the destination from the origin.
virtual Vector<Vector3> map_get_path(RID p_map, Vector3 p_origin, Vector3 p_destination, bool p_optimize) const = 0;
virtual Vector3 map_get_closest_point_to_segment(RID p_map, const Vector3 &p_from, const Vector3 &p_to, const bool p_use_collision = false) const = 0;
virtual Vector3 map_get_closest_point(RID p_map, const Vector3 &p_point) const = 0;
virtual Vector3 map_get_closest_point_normal(RID p_map, const Vector3 &p_point) const = 0;
virtual RID map_get_closest_point_owner(RID p_map, const Vector3 &p_point) const = 0;
/// Creates a new region.
virtual RID region_create() const = 0;
/// Set the map of this region.
virtual void region_set_map(RID p_region, RID p_map) const = 0;
/// Set the global transformation of this region.
virtual void region_set_transform(RID p_region, Transform p_transform) const = 0;
/// Set the navigation mesh of this region.
virtual void region_set_navmesh(RID p_region, Ref<NavigationMesh> p_nav_mesh) const = 0;
/// Bake the navigation mesh
virtual void region_bake_navmesh(Ref<NavigationMesh> r_mesh, Node *p_node) const = 0;
/// Creates the agent.
virtual RID agent_create() const = 0;
/// Put the agent in the map.
virtual void agent_set_map(RID p_agent, RID p_map) const = 0;
/// The maximum distance (center point to
/// center point) to other agents this agent
/// takes into account in the navigation. The
/// larger this number, the longer the running
/// time of the simulation. If the number is too
/// low, the simulation will not be safe.
/// Must be non-negative.
virtual void agent_set_neighbor_dist(RID p_agent, real_t p_dist) const = 0;
/// The maximum number of other agents this
/// agent takes into account in the navigation.
/// The larger this number, the longer the
/// running time of the simulation. If the
/// number is too low, the simulation will not
/// be safe.
virtual void agent_set_max_neighbors(RID p_agent, int p_count) const = 0;
/// The minimal amount of time for which this
/// agent's velocities that are computed by the
/// simulation are safe with respect to other
/// agents. The larger this number, the sooner
/// this agent will respond to the presence of
/// other agents, but the less freedom this
/// agent has in choosing its velocities.
/// Must be positive.
virtual void agent_set_time_horizon(RID p_agent, real_t p_time) const = 0;
/// The radius of this agent.
/// Must be non-negative.
virtual void agent_set_radius(RID p_agent, real_t p_radius) const = 0;
/// The maximum speed of this agent.
/// Must be non-negative.
virtual void agent_set_max_speed(RID p_agent, real_t p_max_speed) const = 0;
/// Current velocity of the agent
virtual void agent_set_velocity(RID p_agent, Vector3 p_velocity) const = 0;
/// The new target velocity.
virtual void agent_set_target_velocity(RID p_agent, Vector3 p_velocity) const = 0;
/// Position of the agent in world space.
virtual void agent_set_position(RID p_agent, Vector3 p_position) const = 0;
/// Agent ignore the Y axis and avoid collisions by moving only on the horizontal plane
virtual void agent_set_ignore_y(RID p_agent, bool p_ignore) const = 0;
/// Returns true if the map got changed the previous frame.
virtual bool agent_is_map_changed(RID p_agent) const = 0;
/// Callback called at the end of the RVO process
virtual void agent_set_callback(RID p_agent, Object *p_receiver, StringName p_method, Variant p_udata = Variant()) const = 0;
/// Destroy the `RID`
virtual void free(RID p_object) const = 0;
/// Control activation of this server.
virtual void set_active(bool p_active) const = 0;
/// Process the collision avoidance agents.
/// The result of this process is needed by the physics server,
/// so this must be called in the main thread.
/// Note: This function is not thread safe.
virtual void process(real_t delta_time) = 0;
NavigationServer3D();
virtual ~NavigationServer3D();
};
typedef NavigationServer3D *(*NavigationServer3DCallback)();
/// Manager used for the server singleton registration
class NavigationServer3DManager {
static NavigationServer3DCallback create_callback;
public:
static void set_default_server(NavigationServer3DCallback p_callback);
static NavigationServer3D *new_default_server();
};
#endif