Merge pull request #34776 from AndreaCatania/nav_pr

Integrated the new `NavigationServer` and `NavigationServer2D`

1 files changed, 83 insertions, 0 deletions

diff --git a/modules/gdnavigation/navigation_mesh_generator.h b/modules/gdnavigation/navigation_mesh_generator.h
new file mode 100644
index 0000000000..107dee75e2
--- /dev/null
+++ b/modules/gdnavigation/navigation_mesh_generator.h
@@ -0,0 +1,83 @@
+/*************************************************************************/
+/*  navigation_mesh_generator.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.                */
+/*************************************************************************/
+
+#ifndef NAVIGATION_MESH_GENERATOR_H
+#define NAVIGATION_MESH_GENERATOR_H
+
+#ifndef _3D_DISABLED
+
+#include "scene/3d/navigation_mesh_instance.h"
+
+#include <Recast.h>
+
+#ifdef TOOLS_ENABLED
+struct EditorProgress;
+#endif
+
+class NavigationMeshGenerator : public Object {
+	GDCLASS(NavigationMeshGenerator, Object);
+
+	static NavigationMeshGenerator *singleton;
+
+protected:
+	static void _bind_methods();
+
+	static void _add_vertex(const Vector3 &p_vec3, Vector<float> &p_verticies);
+	static void _add_mesh(const Ref<Mesh> &p_mesh, const Transform &p_xform, Vector<float> &p_verticies, Vector<int> &p_indices);
+	static void _add_faces(const PoolVector3Array &p_faces, const Transform &p_xform, Vector<float> &p_verticies, Vector<int> &p_indices);
+	static void _parse_geometry(Transform p_accumulated_transform, Node *p_node, Vector<float> &p_verticies, Vector<int> &p_indices, int p_generate_from, uint32_t p_collision_mask, bool p_recurse_children);
+
+	static void _convert_detail_mesh_to_native_navigation_mesh(const rcPolyMeshDetail *p_detail_mesh, Ref<NavigationMesh> p_nav_mesh);
+	static void _build_recast_navigation_mesh(
+			Ref<NavigationMesh> p_nav_mesh,
+#ifdef TOOLS_ENABLED
+			EditorProgress *ep,
+#endif
+			rcHeightfield *hf,
+			rcCompactHeightfield *chf,
+			rcContourSet *cset,
+			rcPolyMesh *poly_mesh,
+			rcPolyMeshDetail *detail_mesh,
+			Vector<float> &vertices,
+			Vector<int> &indices);
+
+public:
+	static NavigationMeshGenerator *get_singleton();
+
+	NavigationMeshGenerator();
+	~NavigationMeshGenerator();
+
+	void bake(Ref<NavigationMesh> p_nav_mesh, Node *p_node);
+	void clear(Ref<NavigationMesh> p_nav_mesh);
+};
+
+#endif
+
+#endif // NAVIGATION_MESH_GENERATOR_H