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Backported from godot4: Implement NavigationMesh bake area.

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Adds two new properties to NavigationMesh resources to restrict the navmesh baking to an area enclosed by an AABB with volume.
- smix8
0c4d99f4fd
This commit is contained in:
Relintai 2023-06-05 14:24:42 +02:00
parent bb753653dd
commit b7892d6baf
4 changed files with 53 additions and 0 deletions
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6
doc/classes/NavigationMesh.xml
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@ -108,6 +108,12 @@
The maximum allowed length for contour edges along the border of the mesh.
[b]Note:[/b] While baking, this value will be rounded up to the nearest multiple of [member cell_size].
</member>
<member name="filter_baking_aabb" type="AABB" setter="set_filter_baking_aabb" getter="get_filter_baking_aabb" default="AABB(0, 0, 0, 0, 0, 0)">
If the baking [AABB] has a volume the navigation mesh baking will be restricted to its enclosing area.
</member>
<member name="filter_baking_aabb_offset" type="Vector3" setter="set_filter_baking_aabb_offset" getter="get_filter_baking_aabb_offset" default="Vector3(0, 0, 0)">
The position offset applied to the [member filter_baking_aabb] [AABB].
</member>
<member name="filter_ledge_spans" type="bool" setter="set_filter_ledge_spans" getter="get_filter_ledge_spans" default="false">
</member>
<member name="filter_low_hanging_obstacles" type="bool" setter="set_filter_low_hanging_obstacles" getter="get_filter_low_hanging_obstacles" default="false">

15
modules/navigation/navigation_mesh_generator.cpp_off
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@ -493,6 +493,21 @@ void NavigationMeshGenerator::_build_recast_navigation_mesh(
cfg.bmax[1] = bmax[1];
cfg.bmax[2] = bmax[2];
AABB baking_aabb = p_nav_mesh->get_filter_baking_aabb();
bool aabb_has_no_volume = baking_aabb.has_no_volume();
if (!aabb_has_no_volume) {
Vector3 baking_aabb_offset = p_nav_mesh->get_filter_baking_aabb_offset();
cfg.bmin[0] = baking_aabb.position[0] + baking_aabb_offset.x;
cfg.bmin[1] = baking_aabb.position[1] + baking_aabb_offset.y;
cfg.bmin[2] = baking_aabb.position[2] + baking_aabb_offset.z;
cfg.bmax[0] = cfg.bmin[0] + baking_aabb.size[0];
cfg.bmax[1] = cfg.bmin[1] + baking_aabb.size[1];
cfg.bmax[2] = cfg.bmin[2] + baking_aabb.size[2];
}
#ifdef TOOLS_ENABLED
if (ep)
ep->step(TTR("Calculating grid size..."), 2);

24
scene/resources/navigation_mesh.cpp
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@ -272,6 +272,24 @@ bool NavigationMesh::get_filter_walkable_low_height_spans() const {
return filter_walkable_low_height_spans;
}
void NavigationMesh::set_filter_baking_aabb(const AABB &p_aabb) {
filter_baking_aabb = p_aabb;
property_list_changed_notify();
}
AABB NavigationMesh::get_filter_baking_aabb() const {
return filter_baking_aabb;
}
void NavigationMesh::set_filter_baking_aabb_offset(const Vector3 &p_aabb_offset) {
filter_baking_aabb_offset = p_aabb_offset;
property_list_changed_notify();
}
Vector3 NavigationMesh::get_filter_baking_aabb_offset() const {
return filter_baking_aabb_offset;
}
void NavigationMesh::set_vertices(const PoolVector<Vector3> &p_vertices) {
vertices = p_vertices;
_change_notify();
@ -468,6 +486,10 @@ void NavigationMesh::_bind_methods() {
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_filter_baking_aabb", "baking_aabb"), &NavigationMesh::set_filter_baking_aabb);
ClassDB::bind_method(D_METHOD("get_filter_baking_aabb"), &NavigationMesh::get_filter_baking_aabb);
ClassDB::bind_method(D_METHOD("set_filter_baking_aabb_offset", "baking_aabb_offset"), &NavigationMesh::set_filter_baking_aabb_offset);
ClassDB::bind_method(D_METHOD("get_filter_baking_aabb_offset"), &NavigationMesh::get_filter_baking_aabb_offset);
ClassDB::bind_method(D_METHOD("set_vertices", "vertices"), &NavigationMesh::set_vertices);
ClassDB::bind_method(D_METHOD("get_vertices"), &NavigationMesh::get_vertices);
@ -523,6 +545,8 @@ void NavigationMesh::_bind_methods() {
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_walkable_low_height_spans"), "set_filter_walkable_low_height_spans", "get_filter_walkable_low_height_spans");
ADD_PROPERTY(PropertyInfo(Variant::AABB, "filter_baking_aabb"), "set_filter_baking_aabb", "get_filter_baking_aabb");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "filter_baking_aabb_offset"), "set_filter_baking_aabb_offset", "get_filter_baking_aabb_offset");
BIND_ENUM_CONSTANT(SAMPLE_PARTITION_WATERSHED);
BIND_ENUM_CONSTANT(SAMPLE_PARTITION_MONOTONE);

8
scene/resources/navigation_mesh.h
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@ -108,6 +108,8 @@ protected:
bool filter_low_hanging_obstacles;
bool filter_ledge_spans;
bool filter_walkable_low_height_spans;
AABB filter_baking_aabb;
Vector3 filter_baking_aabb_offset;
public:
// Recast settings
@ -177,6 +179,12 @@ public:
void set_filter_walkable_low_height_spans(bool p_value);
bool get_filter_walkable_low_height_spans() const;
void set_filter_baking_aabb(const AABB &p_aabb);
AABB get_filter_baking_aabb() const;
void set_filter_baking_aabb_offset(const Vector3 &p_aabb_offset);
Vector3 get_filter_baking_aabb_offset() const;
void create_from_mesh(const Ref<Mesh> &p_mesh);
void set_vertices(const PoolVector<Vector3> &p_vertices);