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https://github.com/godotengine/godot
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58593d1bb7
Adds navigation source geometry parser callbacks so that externals can hook their own geometry into the navigation mesh baking process.
127 lines
6.4 KiB
C++
127 lines
6.4 KiB
C++
/**************************************************************************/
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/* nav_mesh_generator_3d.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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#ifndef NAV_MESH_GENERATOR_3D_H
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#define NAV_MESH_GENERATOR_3D_H
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#ifndef _3D_DISABLED
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#include "core/object/class_db.h"
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#include "core/object/worker_thread_pool.h"
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#include "core/templates/rid_owner.h"
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#include "modules/modules_enabled.gen.h" // For csg, gridmap.
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class Node;
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class NavigationMesh;
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class NavigationMeshSourceGeometryData3D;
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class NavMeshGenerator3D : public Object {
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static NavMeshGenerator3D *singleton;
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static Mutex baking_navmesh_mutex;
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static Mutex generator_task_mutex;
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static RWLock generator_rid_rwlock;
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struct NavMeshGeometryParser3D {
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RID self;
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Callable callback;
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};
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static RID_Owner<NavMeshGeometryParser3D> generator_parser_owner;
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static LocalVector<NavMeshGeometryParser3D *> generator_parsers;
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static bool use_threads;
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static bool baking_use_multiple_threads;
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static bool baking_use_high_priority_threads;
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struct NavMeshGeneratorTask3D {
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enum TaskStatus {
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BAKING_STARTED,
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BAKING_FINISHED,
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BAKING_FAILED,
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CALLBACK_DISPATCHED,
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CALLBACK_FAILED,
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};
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Ref<NavigationMesh> navigation_mesh;
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Ref<NavigationMeshSourceGeometryData3D> source_geometry_data;
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Callable callback;
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WorkerThreadPool::TaskID thread_task_id = WorkerThreadPool::INVALID_TASK_ID;
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NavMeshGeneratorTask3D::TaskStatus status = NavMeshGeneratorTask3D::TaskStatus::BAKING_STARTED;
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};
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static HashMap<WorkerThreadPool::TaskID, NavMeshGeneratorTask3D *> generator_tasks;
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static void generator_thread_bake(void *p_arg);
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static HashSet<Ref<NavigationMesh>> baking_navmeshes;
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static void generator_parse_geometry_node(const Ref<NavigationMesh> &p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, Node *p_node, bool p_recurse_children);
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static void generator_parse_source_geometry_data(const Ref<NavigationMesh> &p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, Node *p_root_node);
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static void generator_bake_from_source_geometry_data(Ref<NavigationMesh> p_navigation_mesh, const Ref<NavigationMeshSourceGeometryData3D> &p_source_geometry_data);
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static void generator_parse_meshinstance3d_node(const Ref<NavigationMesh> &p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, Node *p_node);
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static void generator_parse_multimeshinstance3d_node(const Ref<NavigationMesh> &p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, Node *p_node);
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static void generator_parse_staticbody3d_node(const Ref<NavigationMesh> &p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, Node *p_node);
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#ifdef MODULE_CSG_ENABLED
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static void generator_parse_csgshape3d_node(const Ref<NavigationMesh> &p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, Node *p_node);
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#endif // MODULE_CSG_ENABLED
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#ifdef MODULE_GRIDMAP_ENABLED
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static void generator_parse_gridmap_node(const Ref<NavigationMesh> &p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, Node *p_node);
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#endif // MODULE_GRIDMAP_ENABLED
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static void generator_parse_navigationobstacle_node(const Ref<NavigationMesh> &p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, Node *p_node);
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static bool generator_emit_callback(const Callable &p_callback);
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public:
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static NavMeshGenerator3D *get_singleton();
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static void sync();
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static void cleanup();
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static void finish();
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static void parse_source_geometry_data(Ref<NavigationMesh> p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, Node *p_root_node, const Callable &p_callback = Callable());
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static void bake_from_source_geometry_data(Ref<NavigationMesh> p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, const Callable &p_callback = Callable());
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static void bake_from_source_geometry_data_async(Ref<NavigationMesh> p_navigation_mesh, Ref<NavigationMeshSourceGeometryData3D> p_source_geometry_data, const Callable &p_callback = Callable());
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static bool is_baking(Ref<NavigationMesh> p_navigation_mesh);
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static RID source_geometry_parser_create();
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static void source_geometry_parser_set_callback(RID p_parser, const Callable &p_callback);
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static bool owns(RID p_object);
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static void free(RID p_object);
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NavMeshGenerator3D();
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~NavMeshGenerator3D();
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};
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#endif // _3D_DISABLED
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#endif // NAV_MESH_GENERATOR_3D_H
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