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godot/scene/resources/navigation_mesh.cpp
Rémi Verschelde 0be6d925dc Style: clang-format: Disable KeepEmptyLinesAtTheStartOfBlocks
Which means that reduz' beloved style which we all became used to
will now be changed automatically to remove the first empty line.

This makes us lean closer to 1TBS (the one true brace style) instead
of hybridating it with some Allman-inspired spacing.

There's still the case of braces around single-statement blocks that
needs to be addressed (but clang-format can't help with that, but
clang-tidy may if we agree about it).

Part of #33027.
2020-05-14 16:54:55 +02:00

529 lines
20 KiB
C++

/*************************************************************************/
/* navigation_mesh.cpp */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "navigation_mesh.h"
void NavigationMesh::create_from_mesh(const Ref<Mesh> &p_mesh) {
vertices = Vector<Vector3>();
clear_polygons();
for (int i = 0; i < p_mesh->get_surface_count(); i++) {
if (p_mesh->surface_get_primitive_type(i) != Mesh::PRIMITIVE_TRIANGLES)
continue;
Array arr = p_mesh->surface_get_arrays(i);
Vector<Vector3> varr = arr[Mesh::ARRAY_VERTEX];
Vector<int> iarr = arr[Mesh::ARRAY_INDEX];
if (varr.size() == 0 || iarr.size() == 0)
continue;
int from = vertices.size();
vertices.append_array(varr);
int rlen = iarr.size();
const int *r = iarr.ptr();
for (int j = 0; j < rlen; j += 3) {
Vector<int> vi;
vi.resize(3);
vi.write[0] = r[j + 0] + from;
vi.write[1] = r[j + 1] + from;
vi.write[2] = r[j + 2] + from;
add_polygon(vi);
}
}
}
void NavigationMesh::set_sample_partition_type(int p_value) {
ERR_FAIL_COND(p_value >= SAMPLE_PARTITION_MAX);
partition_type = static_cast<SamplePartitionType>(p_value);
}
int NavigationMesh::get_sample_partition_type() const {
return static_cast<int>(partition_type);
}
void NavigationMesh::set_parsed_geometry_type(int p_value) {
ERR_FAIL_COND(p_value >= PARSED_GEOMETRY_MAX);
parsed_geometry_type = static_cast<ParsedGeometryType>(p_value);
_change_notify();
}
int NavigationMesh::get_parsed_geometry_type() const {
return parsed_geometry_type;
}
void NavigationMesh::set_collision_mask(uint32_t p_mask) {
collision_mask = p_mask;
}
uint32_t NavigationMesh::get_collision_mask() const {
return collision_mask;
}
void NavigationMesh::set_collision_mask_bit(int p_bit, bool p_value) {
uint32_t mask = get_collision_mask();
if (p_value)
mask |= 1 << p_bit;
else
mask &= ~(1 << p_bit);
set_collision_mask(mask);
}
bool NavigationMesh::get_collision_mask_bit(int p_bit) const {
return get_collision_mask() & (1 << p_bit);
}
void NavigationMesh::set_source_geometry_mode(int p_geometry_mode) {
ERR_FAIL_INDEX(p_geometry_mode, SOURCE_GEOMETRY_MAX);
source_geometry_mode = static_cast<SourceGeometryMode>(p_geometry_mode);
_change_notify();
}
int NavigationMesh::get_source_geometry_mode() const {
return source_geometry_mode;
}
void NavigationMesh::set_source_group_name(StringName p_group_name) {
source_group_name = p_group_name;
}
StringName NavigationMesh::get_source_group_name() const {
return source_group_name;
}
void NavigationMesh::set_cell_size(float p_value) {
cell_size = p_value;
}
float NavigationMesh::get_cell_size() const {
return cell_size;
}
void NavigationMesh::set_cell_height(float p_value) {
cell_height = p_value;
}
float NavigationMesh::get_cell_height() const {
return cell_height;
}
void NavigationMesh::set_agent_height(float p_value) {
agent_height = p_value;
}
float NavigationMesh::get_agent_height() const {
return agent_height;
}
void NavigationMesh::set_agent_radius(float p_value) {
agent_radius = p_value;
}
float NavigationMesh::get_agent_radius() {
return agent_radius;
}
void NavigationMesh::set_agent_max_climb(float p_value) {
agent_max_climb = p_value;
}
float NavigationMesh::get_agent_max_climb() const {
return agent_max_climb;
}
void NavigationMesh::set_agent_max_slope(float p_value) {
agent_max_slope = p_value;
}
float NavigationMesh::get_agent_max_slope() const {
return agent_max_slope;
}
void NavigationMesh::set_region_min_size(float p_value) {
region_min_size = p_value;
}
float NavigationMesh::get_region_min_size() const {
return region_min_size;
}
void NavigationMesh::set_region_merge_size(float p_value) {
region_merge_size = p_value;
}
float NavigationMesh::get_region_merge_size() const {
return region_merge_size;
}
void NavigationMesh::set_edge_max_length(float p_value) {
edge_max_length = p_value;
}
float NavigationMesh::get_edge_max_length() const {
return edge_max_length;
}
void NavigationMesh::set_edge_max_error(float p_value) {
edge_max_error = p_value;
}
float NavigationMesh::get_edge_max_error() const {
return edge_max_error;
}
void NavigationMesh::set_verts_per_poly(float p_value) {
verts_per_poly = p_value;
}
float NavigationMesh::get_verts_per_poly() const {
return verts_per_poly;
}
void NavigationMesh::set_detail_sample_distance(float p_value) {
detail_sample_distance = p_value;
}
float NavigationMesh::get_detail_sample_distance() const {
return detail_sample_distance;
}
void NavigationMesh::set_detail_sample_max_error(float p_value) {
detail_sample_max_error = p_value;
}
float NavigationMesh::get_detail_sample_max_error() const {
return detail_sample_max_error;
}
void NavigationMesh::set_filter_low_hanging_obstacles(bool p_value) {
filter_low_hanging_obstacles = p_value;
}
bool NavigationMesh::get_filter_low_hanging_obstacles() const {
return filter_low_hanging_obstacles;
}
void NavigationMesh::set_filter_ledge_spans(bool p_value) {
filter_ledge_spans = p_value;
}
bool NavigationMesh::get_filter_ledge_spans() const {
return filter_ledge_spans;
}
void NavigationMesh::set_filter_walkable_low_height_spans(bool p_value) {
filter_walkable_low_height_spans = p_value;
}
bool NavigationMesh::get_filter_walkable_low_height_spans() const {
return filter_walkable_low_height_spans;
}
void NavigationMesh::set_vertices(const Vector<Vector3> &p_vertices) {
vertices = p_vertices;
_change_notify();
}
Vector<Vector3> NavigationMesh::get_vertices() const {
return vertices;
}
void NavigationMesh::_set_polygons(const Array &p_array) {
polygons.resize(p_array.size());
for (int i = 0; i < p_array.size(); i++) {
polygons.write[i].indices = p_array[i];
}
_change_notify();
}
Array NavigationMesh::_get_polygons() const {
Array ret;
ret.resize(polygons.size());
for (int i = 0; i < ret.size(); i++) {
ret[i] = polygons[i].indices;
}
return ret;
}
void NavigationMesh::add_polygon(const Vector<int> &p_polygon) {
Polygon polygon;
polygon.indices = p_polygon;
polygons.push_back(polygon);
_change_notify();
}
int NavigationMesh::get_polygon_count() const {
return polygons.size();
}
Vector<int> NavigationMesh::get_polygon(int p_idx) {
ERR_FAIL_INDEX_V(p_idx, polygons.size(), Vector<int>());
return polygons[p_idx].indices;
}
void NavigationMesh::clear_polygons() {
polygons.clear();
}
Ref<Mesh> NavigationMesh::get_debug_mesh() {
if (debug_mesh.is_valid())
return debug_mesh;
Vector<Vector3> vertices = get_vertices();
const Vector3 *vr = vertices.ptr();
List<Face3> faces;
for (int i = 0; i < get_polygon_count(); i++) {
Vector<int> p = get_polygon(i);
for (int j = 2; j < p.size(); j++) {
Face3 f;
f.vertex[0] = vr[p[0]];
f.vertex[1] = vr[p[j - 1]];
f.vertex[2] = vr[p[j]];
faces.push_back(f);
}
}
Map<_EdgeKey, bool> edge_map;
Vector<Vector3> tmeshfaces;
tmeshfaces.resize(faces.size() * 3);
{
Vector3 *tw = tmeshfaces.ptrw();
int tidx = 0;
for (List<Face3>::Element *E = faces.front(); E; E = E->next()) {
const Face3 &f = E->get();
for (int j = 0; j < 3; j++) {
tw[tidx++] = f.vertex[j];
_EdgeKey ek;
ek.from = f.vertex[j].snapped(Vector3(CMP_EPSILON, CMP_EPSILON, CMP_EPSILON));
ek.to = f.vertex[(j + 1) % 3].snapped(Vector3(CMP_EPSILON, CMP_EPSILON, CMP_EPSILON));
if (ek.from < ek.to)
SWAP(ek.from, ek.to);
Map<_EdgeKey, bool>::Element *F = edge_map.find(ek);
if (F) {
F->get() = false;
} else {
edge_map[ek] = true;
}
}
}
}
List<Vector3> lines;
for (Map<_EdgeKey, bool>::Element *E = edge_map.front(); E; E = E->next()) {
if (E->get()) {
lines.push_back(E->key().from);
lines.push_back(E->key().to);
}
}
Vector<Vector3> varr;
varr.resize(lines.size());
{
Vector3 *w = varr.ptrw();
int idx = 0;
for (List<Vector3>::Element *E = lines.front(); E; E = E->next()) {
w[idx++] = E->get();
}
}
debug_mesh = Ref<ArrayMesh>(memnew(ArrayMesh));
Array arr;
arr.resize(Mesh::ARRAY_MAX);
arr[Mesh::ARRAY_VERTEX] = varr;
debug_mesh->add_surface_from_arrays(Mesh::PRIMITIVE_LINES, arr);
return debug_mesh;
}
void NavigationMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_sample_partition_type", "sample_partition_type"), &NavigationMesh::set_sample_partition_type);
ClassDB::bind_method(D_METHOD("get_sample_partition_type"), &NavigationMesh::get_sample_partition_type);
ClassDB::bind_method(D_METHOD("set_parsed_geometry_type", "geometry_type"), &NavigationMesh::set_parsed_geometry_type);
ClassDB::bind_method(D_METHOD("get_parsed_geometry_type"), &NavigationMesh::get_parsed_geometry_type);
ClassDB::bind_method(D_METHOD("set_collision_mask", "mask"), &NavigationMesh::set_collision_mask);
ClassDB::bind_method(D_METHOD("get_collision_mask"), &NavigationMesh::get_collision_mask);
ClassDB::bind_method(D_METHOD("set_collision_mask_bit", "bit", "value"), &NavigationMesh::set_collision_mask_bit);
ClassDB::bind_method(D_METHOD("get_collision_mask_bit", "bit"), &NavigationMesh::get_collision_mask_bit);
ClassDB::bind_method(D_METHOD("set_source_geometry_mode", "mask"), &NavigationMesh::set_source_geometry_mode);
ClassDB::bind_method(D_METHOD("get_source_geometry_mode"), &NavigationMesh::get_source_geometry_mode);
ClassDB::bind_method(D_METHOD("set_source_group_name", "mask"), &NavigationMesh::set_source_group_name);
ClassDB::bind_method(D_METHOD("get_source_group_name"), &NavigationMesh::get_source_group_name);
ClassDB::bind_method(D_METHOD("set_cell_size", "cell_size"), &NavigationMesh::set_cell_size);
ClassDB::bind_method(D_METHOD("get_cell_size"), &NavigationMesh::get_cell_size);
ClassDB::bind_method(D_METHOD("set_cell_height", "cell_height"), &NavigationMesh::set_cell_height);
ClassDB::bind_method(D_METHOD("get_cell_height"), &NavigationMesh::get_cell_height);
ClassDB::bind_method(D_METHOD("set_agent_height", "agent_height"), &NavigationMesh::set_agent_height);
ClassDB::bind_method(D_METHOD("get_agent_height"), &NavigationMesh::get_agent_height);
ClassDB::bind_method(D_METHOD("set_agent_radius", "agent_radius"), &NavigationMesh::set_agent_radius);
ClassDB::bind_method(D_METHOD("get_agent_radius"), &NavigationMesh::get_agent_radius);
ClassDB::bind_method(D_METHOD("set_agent_max_climb", "agent_max_climb"), &NavigationMesh::set_agent_max_climb);
ClassDB::bind_method(D_METHOD("get_agent_max_climb"), &NavigationMesh::get_agent_max_climb);
ClassDB::bind_method(D_METHOD("set_agent_max_slope", "agent_max_slope"), &NavigationMesh::set_agent_max_slope);
ClassDB::bind_method(D_METHOD("get_agent_max_slope"), &NavigationMesh::get_agent_max_slope);
ClassDB::bind_method(D_METHOD("set_region_min_size", "region_min_size"), &NavigationMesh::set_region_min_size);
ClassDB::bind_method(D_METHOD("get_region_min_size"), &NavigationMesh::get_region_min_size);
ClassDB::bind_method(D_METHOD("set_region_merge_size", "region_merge_size"), &NavigationMesh::set_region_merge_size);
ClassDB::bind_method(D_METHOD("get_region_merge_size"), &NavigationMesh::get_region_merge_size);
ClassDB::bind_method(D_METHOD("set_edge_max_length", "edge_max_length"), &NavigationMesh::set_edge_max_length);
ClassDB::bind_method(D_METHOD("get_edge_max_length"), &NavigationMesh::get_edge_max_length);
ClassDB::bind_method(D_METHOD("set_edge_max_error", "edge_max_error"), &NavigationMesh::set_edge_max_error);
ClassDB::bind_method(D_METHOD("get_edge_max_error"), &NavigationMesh::get_edge_max_error);
ClassDB::bind_method(D_METHOD("set_verts_per_poly", "verts_per_poly"), &NavigationMesh::set_verts_per_poly);
ClassDB::bind_method(D_METHOD("get_verts_per_poly"), &NavigationMesh::get_verts_per_poly);
ClassDB::bind_method(D_METHOD("set_detail_sample_distance", "detail_sample_dist"), &NavigationMesh::set_detail_sample_distance);
ClassDB::bind_method(D_METHOD("get_detail_sample_distance"), &NavigationMesh::get_detail_sample_distance);
ClassDB::bind_method(D_METHOD("set_detail_sample_max_error", "detail_sample_max_error"), &NavigationMesh::set_detail_sample_max_error);
ClassDB::bind_method(D_METHOD("get_detail_sample_max_error"), &NavigationMesh::get_detail_sample_max_error);
ClassDB::bind_method(D_METHOD("set_filter_low_hanging_obstacles", "filter_low_hanging_obstacles"), &NavigationMesh::set_filter_low_hanging_obstacles);
ClassDB::bind_method(D_METHOD("get_filter_low_hanging_obstacles"), &NavigationMesh::get_filter_low_hanging_obstacles);
ClassDB::bind_method(D_METHOD("set_filter_ledge_spans", "filter_ledge_spans"), &NavigationMesh::set_filter_ledge_spans);
ClassDB::bind_method(D_METHOD("get_filter_ledge_spans"), &NavigationMesh::get_filter_ledge_spans);
ClassDB::bind_method(D_METHOD("set_filter_walkable_low_height_spans", "filter_walkable_low_height_spans"), &NavigationMesh::set_filter_walkable_low_height_spans);
ClassDB::bind_method(D_METHOD("get_filter_walkable_low_height_spans"), &NavigationMesh::get_filter_walkable_low_height_spans);
ClassDB::bind_method(D_METHOD("set_vertices", "vertices"), &NavigationMesh::set_vertices);
ClassDB::bind_method(D_METHOD("get_vertices"), &NavigationMesh::get_vertices);
ClassDB::bind_method(D_METHOD("add_polygon", "polygon"), &NavigationMesh::add_polygon);
ClassDB::bind_method(D_METHOD("get_polygon_count"), &NavigationMesh::get_polygon_count);
ClassDB::bind_method(D_METHOD("get_polygon", "idx"), &NavigationMesh::get_polygon);
ClassDB::bind_method(D_METHOD("clear_polygons"), &NavigationMesh::clear_polygons);
ClassDB::bind_method(D_METHOD("create_from_mesh", "mesh"), &NavigationMesh::create_from_mesh);
ClassDB::bind_method(D_METHOD("_set_polygons", "polygons"), &NavigationMesh::_set_polygons);
ClassDB::bind_method(D_METHOD("_get_polygons"), &NavigationMesh::_get_polygons);
BIND_CONSTANT(SAMPLE_PARTITION_WATERSHED);
BIND_CONSTANT(SAMPLE_PARTITION_MONOTONE);
BIND_CONSTANT(SAMPLE_PARTITION_LAYERS);
BIND_CONSTANT(PARSED_GEOMETRY_MESH_INSTANCES);
BIND_CONSTANT(PARSED_GEOMETRY_STATIC_COLLIDERS);
BIND_CONSTANT(PARSED_GEOMETRY_BOTH);
ADD_PROPERTY(PropertyInfo(Variant::PACKED_VECTOR3_ARRAY, "vertices", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "set_vertices", "get_vertices");
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "polygons", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_polygons", "_get_polygons");
ADD_PROPERTY(PropertyInfo(Variant::INT, "sample_partition_type/sample_partition_type", PROPERTY_HINT_ENUM, "Watershed,Monotone,Layers"), "set_sample_partition_type", "get_sample_partition_type");
ADD_PROPERTY(PropertyInfo(Variant::INT, "geometry/parsed_geometry_type", PROPERTY_HINT_ENUM, "Mesh Instances,Static Colliders,Both"), "set_parsed_geometry_type", "get_parsed_geometry_type");
ADD_PROPERTY(PropertyInfo(Variant::INT, "geometry/collision_mask", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collision_mask", "get_collision_mask");
ADD_PROPERTY(PropertyInfo(Variant::INT, "geometry/source_geometry_mode", PROPERTY_HINT_ENUM, "Navmesh Children, Group With Children, Group Explicit"), "set_source_geometry_mode", "get_source_geometry_mode");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "geometry/source_group_name"), "set_source_group_name", "get_source_group_name");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "cell/size", PROPERTY_HINT_RANGE, "0.1,1.0,0.01,or_greater"), "set_cell_size", "get_cell_size");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "cell/height", PROPERTY_HINT_RANGE, "0.1,1.0,0.01,or_greater"), "set_cell_height", "get_cell_height");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "agent/height", PROPERTY_HINT_RANGE, "0.1,5.0,0.01,or_greater"), "set_agent_height", "get_agent_height");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "agent/radius", PROPERTY_HINT_RANGE, "0.1,5.0,0.01,or_greater"), "set_agent_radius", "get_agent_radius");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "agent/max_climb", PROPERTY_HINT_RANGE, "0.1,5.0,0.01,or_greater"), "set_agent_max_climb", "get_agent_max_climb");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "agent/max_slope", PROPERTY_HINT_RANGE, "0.0,90.0,0.1"), "set_agent_max_slope", "get_agent_max_slope");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "region/min_size", PROPERTY_HINT_RANGE, "0.0,150.0,0.01,or_greater"), "set_region_min_size", "get_region_min_size");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "region/merge_size", PROPERTY_HINT_RANGE, "0.0,150.0,0.01,or_greater"), "set_region_merge_size", "get_region_merge_size");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "edge/max_length", PROPERTY_HINT_RANGE, "0.0,50.0,0.01,or_greater"), "set_edge_max_length", "get_edge_max_length");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "edge/max_error", PROPERTY_HINT_RANGE, "0.1,3.0,0.01,or_greater"), "set_edge_max_error", "get_edge_max_error");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "polygon/verts_per_poly", PROPERTY_HINT_RANGE, "3.0,12.0,1.0,or_greater"), "set_verts_per_poly", "get_verts_per_poly");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "detail/sample_distance", PROPERTY_HINT_RANGE, "0.0,16.0,0.01,or_greater"), "set_detail_sample_distance", "get_detail_sample_distance");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "detail/sample_max_error", PROPERTY_HINT_RANGE, "0.0,16.0,0.01,or_greater"), "set_detail_sample_max_error", "get_detail_sample_max_error");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "filter/low_hanging_obstacles"), "set_filter_low_hanging_obstacles", "get_filter_low_hanging_obstacles");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "filter/ledge_spans"), "set_filter_ledge_spans", "get_filter_ledge_spans");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "filter/filter_walkable_low_height_spans"), "set_filter_walkable_low_height_spans", "get_filter_walkable_low_height_spans");
}
void NavigationMesh::_validate_property(PropertyInfo &property) const {
if (property.name == "geometry/collision_mask") {
if (parsed_geometry_type == PARSED_GEOMETRY_MESH_INSTANCES) {
property.usage = 0;
return;
}
}
if (property.name == "geometry/source_group_name") {
if (source_geometry_mode == SOURCE_GEOMETRY_NAVMESH_CHILDREN) {
property.usage = 0;
return;
}
}
}
NavigationMesh::NavigationMesh() {
cell_size = 0.3f;
cell_height = 0.2f;
agent_height = 2.0f;
agent_radius = 0.6f;
agent_max_climb = 0.9f;
agent_max_slope = 45.0f;
region_min_size = 8.0f;
region_merge_size = 20.0f;
edge_max_length = 12.0f;
edge_max_error = 1.3f;
verts_per_poly = 6.0f;
detail_sample_distance = 6.0f;
detail_sample_max_error = 1.0f;
partition_type = SAMPLE_PARTITION_WATERSHED;
parsed_geometry_type = PARSED_GEOMETRY_MESH_INSTANCES;
collision_mask = 0xFFFFFFFF;
source_geometry_mode = SOURCE_GEOMETRY_NAVMESH_CHILDREN;
source_group_name = "navmesh";
filter_low_hanging_obstacles = false;
filter_ledge_spans = false;
filter_walkable_low_height_spans = false;
}