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			323 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			323 lines
		
	
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /**************************************************************************/
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| /*  navigation_mesh_source_geometry_data_3d.cpp                           */
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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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| 
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| #include "navigation_mesh_source_geometry_data_3d.h"
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| 
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| void NavigationMeshSourceGeometryData3D::set_vertices(const Vector<float> &p_vertices) {
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| 	vertices = p_vertices;
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::set_indices(const Vector<int> &p_indices) {
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| 	indices = p_indices;
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::clear() {
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| 	vertices.clear();
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| 	indices.clear();
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| 	clear_projected_obstructions();
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::clear_projected_obstructions() {
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| 	RWLockWrite write_lock(geometry_rwlock);
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| 	_projected_obstructions.clear();
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::_add_vertex(const Vector3 &p_vec3) {
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| 	vertices.push_back(p_vec3.x);
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| 	vertices.push_back(p_vec3.y);
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| 	vertices.push_back(p_vec3.z);
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::_add_mesh(const Ref<Mesh> &p_mesh, const Transform3D &p_xform) {
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| 	int current_vertex_count;
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| 	for (int i = 0; i < p_mesh->get_surface_count(); i++) {
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| 		current_vertex_count = vertices.size() / 3;
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| 
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| 		if (p_mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES) {
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| 			continue;
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| 		}
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| 
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| 		int index_count = 0;
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| 		if (p_mesh->surface_get_format(i) & Mesh::ARRAY_FORMAT_INDEX) {
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| 			index_count = p_mesh->surface_get_array_index_len(i);
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| 		} else {
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| 			index_count = p_mesh->surface_get_array_len(i);
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| 		}
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| 
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| 		ERR_CONTINUE((index_count == 0 || (index_count % 3) != 0));
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| 
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| 		int face_count = index_count / 3;
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| 
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| 		Array a = p_mesh->surface_get_arrays(i);
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| 		ERR_CONTINUE(a.is_empty() || (a.size() != Mesh::ARRAY_MAX));
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| 
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| 		Vector<Vector3> mesh_vertices = a[Mesh::ARRAY_VERTEX];
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| 		ERR_CONTINUE(mesh_vertices.is_empty());
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| 		const Vector3 *vr = mesh_vertices.ptr();
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| 
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| 		if (p_mesh->surface_get_format(i) & Mesh::ARRAY_FORMAT_INDEX) {
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| 			Vector<int> mesh_indices = a[Mesh::ARRAY_INDEX];
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| 			ERR_CONTINUE(mesh_indices.is_empty() || (mesh_indices.size() != index_count));
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| 			const int *ir = mesh_indices.ptr();
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| 
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| 			for (int j = 0; j < mesh_vertices.size(); j++) {
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| 				_add_vertex(p_xform.xform(vr[j]));
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| 			}
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| 
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| 			for (int j = 0; j < face_count; j++) {
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| 				// CCW
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| 				indices.push_back(current_vertex_count + (ir[j * 3 + 0]));
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| 				indices.push_back(current_vertex_count + (ir[j * 3 + 2]));
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| 				indices.push_back(current_vertex_count + (ir[j * 3 + 1]));
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| 			}
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| 		} else {
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| 			ERR_CONTINUE(mesh_vertices.size() != index_count);
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| 			face_count = mesh_vertices.size() / 3;
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| 			for (int j = 0; j < face_count; j++) {
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| 				_add_vertex(p_xform.xform(vr[j * 3 + 0]));
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| 				_add_vertex(p_xform.xform(vr[j * 3 + 2]));
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| 				_add_vertex(p_xform.xform(vr[j * 3 + 1]));
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| 
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| 				indices.push_back(current_vertex_count + (j * 3 + 0));
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| 				indices.push_back(current_vertex_count + (j * 3 + 1));
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| 				indices.push_back(current_vertex_count + (j * 3 + 2));
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| 			}
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| 		}
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| 	}
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::_add_mesh_array(const Array &p_mesh_array, const Transform3D &p_xform) {
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| 	ERR_FAIL_COND(p_mesh_array.size() != Mesh::ARRAY_MAX);
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| 
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| 	Vector<Vector3> mesh_vertices = p_mesh_array[Mesh::ARRAY_VERTEX];
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| 	ERR_FAIL_COND(mesh_vertices.is_empty());
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| 	const Vector3 *vr = mesh_vertices.ptr();
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| 
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| 	Vector<int> mesh_indices = p_mesh_array[Mesh::ARRAY_INDEX];
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| 	ERR_FAIL_COND(mesh_indices.is_empty());
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| 	const int *ir = mesh_indices.ptr();
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| 
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| 	const int face_count = mesh_indices.size() / 3;
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| 	const int current_vertex_count = vertices.size() / 3;
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| 
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| 	for (int j = 0; j < mesh_vertices.size(); j++) {
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| 		_add_vertex(p_xform.xform(vr[j]));
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| 	}
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| 
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| 	for (int j = 0; j < face_count; j++) {
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| 		// CCW
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| 		indices.push_back(current_vertex_count + (ir[j * 3 + 0]));
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| 		indices.push_back(current_vertex_count + (ir[j * 3 + 2]));
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| 		indices.push_back(current_vertex_count + (ir[j * 3 + 1]));
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| 	}
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::_add_faces(const PackedVector3Array &p_faces, const Transform3D &p_xform) {
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| 	ERR_FAIL_COND(p_faces.is_empty());
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| 	ERR_FAIL_COND(p_faces.size() % 3 != 0);
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| 	int face_count = p_faces.size() / 3;
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| 	int current_vertex_count = vertices.size() / 3;
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| 
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| 	for (int j = 0; j < face_count; j++) {
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| 		_add_vertex(p_xform.xform(p_faces[j * 3 + 0]));
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| 		_add_vertex(p_xform.xform(p_faces[j * 3 + 1]));
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| 		_add_vertex(p_xform.xform(p_faces[j * 3 + 2]));
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| 
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| 		indices.push_back(current_vertex_count + (j * 3 + 0));
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| 		indices.push_back(current_vertex_count + (j * 3 + 2));
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| 		indices.push_back(current_vertex_count + (j * 3 + 1));
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| 	}
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::add_mesh(const Ref<Mesh> &p_mesh, const Transform3D &p_xform) {
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| 	ERR_FAIL_COND(!p_mesh.is_valid());
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| 	_add_mesh(p_mesh, root_node_transform * p_xform);
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::add_mesh_array(const Array &p_mesh_array, const Transform3D &p_xform) {
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| 	ERR_FAIL_COND(p_mesh_array.size() != Mesh::ARRAY_MAX);
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| 	_add_mesh_array(p_mesh_array, root_node_transform * p_xform);
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::add_faces(const PackedVector3Array &p_faces, const Transform3D &p_xform) {
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| 	ERR_FAIL_COND(p_faces.size() % 3 != 0);
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| 	_add_faces(p_faces, root_node_transform * p_xform);
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::merge(const Ref<NavigationMeshSourceGeometryData3D> &p_other_geometry) {
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| 	// No need to worry about `root_node_transform` here as the vertices are already xformed.
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| 	const int64_t number_of_vertices_before_merge = vertices.size();
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| 	const int64_t number_of_indices_before_merge = indices.size();
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| 	vertices.append_array(p_other_geometry->vertices);
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| 	indices.append_array(p_other_geometry->indices);
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| 	for (int64_t i = number_of_indices_before_merge; i < indices.size(); i++) {
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| 		indices.set(i, indices[i] + number_of_vertices_before_merge / 3);
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| 	}
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| 
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| 	if (p_other_geometry->_projected_obstructions.size() > 0) {
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| 		RWLockWrite write_lock(geometry_rwlock);
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| 
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| 		for (const ProjectedObstruction &other_projected_obstruction : p_other_geometry->_projected_obstructions) {
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| 			ProjectedObstruction projected_obstruction;
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| 			projected_obstruction.vertices.resize(other_projected_obstruction.vertices.size());
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| 
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| 			const float *other_obstruction_vertices_ptr = other_projected_obstruction.vertices.ptr();
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| 			float *obstruction_vertices_ptrw = projected_obstruction.vertices.ptrw();
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| 
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| 			for (int j = 0; j < other_projected_obstruction.vertices.size(); j++) {
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| 				obstruction_vertices_ptrw[j] = other_obstruction_vertices_ptr[j];
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| 			}
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| 
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| 			projected_obstruction.elevation = other_projected_obstruction.elevation;
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| 			projected_obstruction.height = other_projected_obstruction.height;
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| 			projected_obstruction.carve = other_projected_obstruction.carve;
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| 
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| 			_projected_obstructions.push_back(projected_obstruction);
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| 		}
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| 	}
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::add_projected_obstruction(const Vector<Vector3> &p_vertices, float p_elevation, float p_height, bool p_carve) {
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| 	ERR_FAIL_COND(p_vertices.size() < 3);
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| 	ERR_FAIL_COND(p_height < 0.0);
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| 
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| 	ProjectedObstruction projected_obstruction;
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| 	projected_obstruction.vertices.resize(p_vertices.size() * 3);
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| 	projected_obstruction.elevation = p_elevation;
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| 	projected_obstruction.height = p_height;
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| 	projected_obstruction.carve = p_carve;
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| 
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| 	float *obstruction_vertices_ptrw = projected_obstruction.vertices.ptrw();
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| 
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| 	int vertex_index = 0;
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| 	for (const Vector3 &vertex : p_vertices) {
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| 		obstruction_vertices_ptrw[vertex_index++] = vertex.x;
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| 		obstruction_vertices_ptrw[vertex_index++] = vertex.y;
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| 		obstruction_vertices_ptrw[vertex_index++] = vertex.z;
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| 	}
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| 
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| 	RWLockWrite write_lock(geometry_rwlock);
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| 	_projected_obstructions.push_back(projected_obstruction);
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::set_projected_obstructions(const Array &p_array) {
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| 	clear_projected_obstructions();
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| 
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| 	for (int i = 0; i < p_array.size(); i++) {
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| 		Dictionary data = p_array[i];
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| 		ERR_FAIL_COND(!data.has("version"));
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| 
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| 		uint32_t po_version = data["version"];
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| 
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| 		if (po_version == 1) {
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| 			ERR_FAIL_COND(!data.has("vertices"));
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| 			ERR_FAIL_COND(!data.has("elevation"));
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| 			ERR_FAIL_COND(!data.has("height"));
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| 			ERR_FAIL_COND(!data.has("carve"));
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| 		}
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| 
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| 		ProjectedObstruction projected_obstruction;
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| 		projected_obstruction.vertices = Vector<float>(data["vertices"]);
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| 		projected_obstruction.elevation = data["elevation"];
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| 		projected_obstruction.height = data["height"];
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| 		projected_obstruction.carve = data["carve"];
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| 
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| 		RWLockWrite write_lock(geometry_rwlock);
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| 		_projected_obstructions.push_back(projected_obstruction);
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| 	}
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| }
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| 
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| Vector<NavigationMeshSourceGeometryData3D::ProjectedObstruction> NavigationMeshSourceGeometryData3D::_get_projected_obstructions() const {
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| 	RWLockRead read_lock(geometry_rwlock);
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| 	return _projected_obstructions;
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| }
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| 
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| Array NavigationMeshSourceGeometryData3D::get_projected_obstructions() const {
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| 	RWLockRead read_lock(geometry_rwlock);
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| 
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| 	Array ret;
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| 	ret.resize(_projected_obstructions.size());
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| 
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| 	for (int i = 0; i < _projected_obstructions.size(); i++) {
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| 		const ProjectedObstruction &projected_obstruction = _projected_obstructions[i];
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| 
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| 		Dictionary data;
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| 		data["version"] = (int)ProjectedObstruction::VERSION;
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| 		data["vertices"] = projected_obstruction.vertices;
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| 		data["elevation"] = projected_obstruction.elevation;
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| 		data["height"] = projected_obstruction.height;
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| 		data["carve"] = projected_obstruction.carve;
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| 
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| 		ret[i] = data;
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| 	}
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| 
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| 	return ret;
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| }
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| 
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| bool NavigationMeshSourceGeometryData3D::_set(const StringName &p_name, const Variant &p_value) {
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| 	if (p_name == "projected_obstructions") {
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| 		set_projected_obstructions(p_value);
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| 		return true;
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| 	}
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| 	return false;
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| }
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| 
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| bool NavigationMeshSourceGeometryData3D::_get(const StringName &p_name, Variant &r_ret) const {
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| 	if (p_name == "projected_obstructions") {
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| 		r_ret = get_projected_obstructions();
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| 		return true;
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| 	}
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| 	return false;
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| }
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| 
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| void NavigationMeshSourceGeometryData3D::_bind_methods() {
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| 	ClassDB::bind_method(D_METHOD("set_vertices", "vertices"), &NavigationMeshSourceGeometryData3D::set_vertices);
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| 	ClassDB::bind_method(D_METHOD("get_vertices"), &NavigationMeshSourceGeometryData3D::get_vertices);
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| 
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| 	ClassDB::bind_method(D_METHOD("set_indices", "indices"), &NavigationMeshSourceGeometryData3D::set_indices);
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| 	ClassDB::bind_method(D_METHOD("get_indices"), &NavigationMeshSourceGeometryData3D::get_indices);
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| 
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| 	ClassDB::bind_method(D_METHOD("clear"), &NavigationMeshSourceGeometryData3D::clear);
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| 	ClassDB::bind_method(D_METHOD("has_data"), &NavigationMeshSourceGeometryData3D::has_data);
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| 
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| 	ClassDB::bind_method(D_METHOD("add_mesh", "mesh", "xform"), &NavigationMeshSourceGeometryData3D::add_mesh);
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| 	ClassDB::bind_method(D_METHOD("add_mesh_array", "mesh_array", "xform"), &NavigationMeshSourceGeometryData3D::add_mesh_array);
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| 	ClassDB::bind_method(D_METHOD("add_faces", "faces", "xform"), &NavigationMeshSourceGeometryData3D::add_faces);
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| 	ClassDB::bind_method(D_METHOD("merge", "other_geometry"), &NavigationMeshSourceGeometryData3D::merge);
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| 
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| 	ClassDB::bind_method(D_METHOD("add_projected_obstruction", "vertices", "elevation", "height", "carve"), &NavigationMeshSourceGeometryData3D::add_projected_obstruction);
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| 	ClassDB::bind_method(D_METHOD("clear_projected_obstructions"), &NavigationMeshSourceGeometryData3D::clear_projected_obstructions);
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| 	ClassDB::bind_method(D_METHOD("set_projected_obstructions", "projected_obstructions"), &NavigationMeshSourceGeometryData3D::set_projected_obstructions);
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| 	ClassDB::bind_method(D_METHOD("get_projected_obstructions"), &NavigationMeshSourceGeometryData3D::get_projected_obstructions);
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| 
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| 	ADD_PROPERTY(PropertyInfo(Variant::PACKED_VECTOR3_ARRAY, "vertices", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_vertices", "get_vertices");
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| 	ADD_PROPERTY(PropertyInfo(Variant::PACKED_INT32_ARRAY, "indices", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_indices", "get_indices");
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| 	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "projected_obstructions", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_projected_obstructions", "get_projected_obstructions");
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| }
 | 
