111 lines
4.2 KiB
C++
111 lines
4.2 KiB
C++
/**************************************************************************/
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/* nav_map_iteration_2d.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 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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#pragma once
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#include "../nav_rid_2d.h"
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#include "../nav_utils_2d.h"
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#include "nav_mesh_queries_2d.h"
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#include "core/math/math_defs.h"
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#include "core/os/semaphore.h"
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struct NavLinkIteration2D;
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class NavRegion2D;
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struct NavRegionIteration2D;
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struct NavMapIteration2D;
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struct NavMapIterationBuild2D {
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Vector2 merge_rasterizer_cell_size;
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bool use_edge_connections = true;
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real_t edge_connection_margin;
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real_t link_connection_radius;
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nav_2d::PerformanceData performance_data;
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int polygon_count = 0;
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int free_edge_count = 0;
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HashMap<nav_2d::EdgeKey, nav_2d::EdgeConnectionPair, nav_2d::EdgeKey> iter_connection_pairs_map;
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LocalVector<nav_2d::Edge::Connection> iter_free_edges;
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NavMapIteration2D *map_iteration = nullptr;
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int navmesh_polygon_count = 0;
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int link_polygon_count = 0;
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void reset() {
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performance_data.reset();
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iter_connection_pairs_map.clear();
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iter_free_edges.clear();
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polygon_count = 0;
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free_edge_count = 0;
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navmesh_polygon_count = 0;
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link_polygon_count = 0;
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}
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};
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struct NavMapIteration2D {
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mutable SafeNumeric<uint32_t> users;
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RWLock rwlock;
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LocalVector<nav_2d::Polygon> link_polygons;
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LocalVector<NavRegionIteration2D> region_iterations;
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LocalVector<NavLinkIteration2D> link_iterations;
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int navmesh_polygon_count = 0;
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int link_polygon_count = 0;
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// The edge connections that the map builds on top with the edge connection margin.
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HashMap<uint32_t, LocalVector<nav_2d::Edge::Connection>> external_region_connections;
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HashMap<NavRegion2D *, uint32_t> region_ptr_to_region_id;
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LocalVector<NavMeshQueries2D::PathQuerySlot> path_query_slots;
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Mutex path_query_slots_mutex;
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Semaphore path_query_slots_semaphore;
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};
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class NavMapIterationRead2D {
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const NavMapIteration2D &map_iteration;
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public:
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_ALWAYS_INLINE_ NavMapIterationRead2D(const NavMapIteration2D &p_iteration) :
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map_iteration(p_iteration) {
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map_iteration.rwlock.read_lock();
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map_iteration.users.increment();
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}
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_ALWAYS_INLINE_ ~NavMapIterationRead2D() {
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map_iteration.users.decrement();
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map_iteration.rwlock.read_unlock();
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}
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};
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