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Extend NavigationMeshSourceGeometryData[23]D to allow data merging

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This commit is contained in:
Pawel Lampe 2024-02-11 23:11:49 +01:00
parent 9b94c80e9a
commit ab242769b7
7 changed files with 83 additions and 2 deletions
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7
doc/classes/NavigationMeshSourceGeometryData2D.xml
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@ -47,6 +47,13 @@
Returns [code]true[/code] when parsed source geometry data exists.
</description>
</method>
<method name="merge">
<return type="void" />
<param index="0" name="other_geometry" type="NavigationMeshSourceGeometryData2D" />
<description>
Adds the geometry data of another [NavigationMeshSourceGeometryData2D] to the navigation mesh baking data.
</description>
</method>
<method name="set_obstruction_outlines">
<return type="void" />
<param index="0" name="obstruction_outlines" type="PackedVector2Array[]" />

7
doc/classes/NavigationMeshSourceGeometryData3D.xml
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@ -57,6 +57,13 @@
Returns [code]true[/code] when parsed source geometry data exists.
</description>
</method>
<method name="merge">
<return type="void" />
<param index="0" name="other_geometry" type="NavigationMeshSourceGeometryData3D" />
<description>
Adds the geometry data of another [NavigationMeshSourceGeometryData3D] to the navigation mesh baking data.
</description>
</method>
<method name="set_indices">
<return type="void" />
<param index="0" name="indices" type="PackedInt32Array" />

8
scene/resources/navigation_mesh_source_geometry_data_2d.cpp
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@ -113,6 +113,12 @@ void NavigationMeshSourceGeometryData2D::add_obstruction_outline(const PackedVec
}
}
void NavigationMeshSourceGeometryData2D::merge(const Ref<NavigationMeshSourceGeometryData2D> &p_other_geometry) {
// No need to worry about `root_node_transform` here as the data is already xformed.
traversable_outlines.append_array(p_other_geometry->traversable_outlines);
obstruction_outlines.append_array(p_other_geometry->obstruction_outlines);
}
void NavigationMeshSourceGeometryData2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("clear"), &NavigationMeshSourceGeometryData2D::clear);
ClassDB::bind_method(D_METHOD("has_data"), &NavigationMeshSourceGeometryData2D::has_data);
@ -126,6 +132,8 @@ void NavigationMeshSourceGeometryData2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_traversable_outline", "shape_outline"), &NavigationMeshSourceGeometryData2D::add_traversable_outline);
ClassDB::bind_method(D_METHOD("add_obstruction_outline", "shape_outline"), &NavigationMeshSourceGeometryData2D::add_obstruction_outline);
ClassDB::bind_method(D_METHOD("merge", "other_geometry"), &NavigationMeshSourceGeometryData2D::merge);
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "traversable_outlines", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_traversable_outlines", "get_traversable_outlines");
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "obstruction_outlines", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_obstruction_outlines", "get_obstruction_outlines");
}

2
scene/resources/navigation_mesh_source_geometry_data_2d.h
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@ -71,6 +71,8 @@ public:
bool has_data() { return traversable_outlines.size(); };
void clear();
void merge(const Ref<NavigationMeshSourceGeometryData2D> &p_other_geometry);
NavigationMeshSourceGeometryData2D() {}
~NavigationMeshSourceGeometryData2D() { clear(); }
};

12
scene/resources/navigation_mesh_source_geometry_data_3d.cpp
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@ -165,6 +165,17 @@ void NavigationMeshSourceGeometryData3D::add_faces(const PackedVector3Array &p_f
_add_faces(p_faces, root_node_transform * p_xform);
}
void NavigationMeshSourceGeometryData3D::merge(const Ref<NavigationMeshSourceGeometryData3D> &p_other_geometry) {
// No need to worry about `root_node_transform` here as the vertices are already xformed.
const int64_t number_of_vertices_before_merge = vertices.size();
const int64_t number_of_indices_before_merge = indices.size();
vertices.append_array(p_other_geometry->vertices);
indices.append_array(p_other_geometry->indices);
for (int64_t i = number_of_indices_before_merge; i < indices.size(); i++) {
indices.set(i, indices[i] + number_of_vertices_before_merge / 3);
}
}
void NavigationMeshSourceGeometryData3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_vertices", "vertices"), &NavigationMeshSourceGeometryData3D::set_vertices);
ClassDB::bind_method(D_METHOD("get_vertices"), &NavigationMeshSourceGeometryData3D::get_vertices);
@ -178,6 +189,7 @@ void NavigationMeshSourceGeometryData3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_mesh", "mesh", "xform"), &NavigationMeshSourceGeometryData3D::add_mesh);
ClassDB::bind_method(D_METHOD("add_mesh_array", "mesh_array", "xform"), &NavigationMeshSourceGeometryData3D::add_mesh_array);
ClassDB::bind_method(D_METHOD("add_faces", "faces", "xform"), &NavigationMeshSourceGeometryData3D::add_faces);
ClassDB::bind_method(D_METHOD("merge", "other_geometry"), &NavigationMeshSourceGeometryData3D::merge);
ADD_PROPERTY(PropertyInfo(Variant::PACKED_VECTOR3_ARRAY, "vertices", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_vertices", "get_vertices");
ADD_PROPERTY(PropertyInfo(Variant::PACKED_INT32_ARRAY, "indices", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL), "set_indices", "get_indices");

2
scene/resources/navigation_mesh_source_geometry_data_3d.h
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@ -68,6 +68,8 @@ public:
void add_mesh_array(const Array &p_mesh_array, const Transform3D &p_xform);
void add_faces(const PackedVector3Array &p_faces, const Transform3D &p_xform);
void merge(const Ref<NavigationMeshSourceGeometryData3D> &p_other_geometry);
NavigationMeshSourceGeometryData3D() {}
~NavigationMeshSourceGeometryData3D() { clear(); }
};

47
tests/servers/test_navigation_server_3d.h
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@ -35,8 +35,6 @@
#include "scene/resources/3d/primitive_meshes.h"
#include "servers/navigation_server_3d.h"
#include "tests/test_macros.h"
namespace TestNavigationServer3D {
// TODO: Find a more generic way to create `Callable` mocks.
@ -580,6 +578,51 @@ TEST_SUITE("[Navigation]") {
}
#endif // DISABLE_DEPRECATED
TEST_CASE("[NavigationServer3D][SceneTree] Server should be able to parse geometry") {
NavigationServer3D *navigation_server = NavigationServer3D::get_singleton();
// Prepare scene tree with simple mesh to serve as an input geometry.
Node3D *node_3d = memnew(Node3D);
SceneTree::get_singleton()->get_root()->add_child(node_3d);
Ref<PlaneMesh> plane_mesh = memnew(PlaneMesh);
plane_mesh->set_size(Size2(10.0, 10.0));
MeshInstance3D *mesh_instance = memnew(MeshInstance3D);
mesh_instance->set_mesh(plane_mesh);
node_3d->add_child(mesh_instance);
Ref<NavigationMesh> navigation_mesh = memnew(NavigationMesh);
Ref<NavigationMeshSourceGeometryData3D> source_geometry = memnew(NavigationMeshSourceGeometryData3D);
CHECK_EQ(source_geometry->get_vertices().size(), 0);
CHECK_EQ(source_geometry->get_indices().size(), 0);
navigation_server->parse_source_geometry_data(navigation_mesh, source_geometry, mesh_instance);
CHECK_EQ(source_geometry->get_vertices().size(), 12);
CHECK_EQ(source_geometry->get_indices().size(), 6);
SUBCASE("By default, parsing should remove any data that was parsed before") {
navigation_server->parse_source_geometry_data(navigation_mesh, source_geometry, mesh_instance);
CHECK_EQ(source_geometry->get_vertices().size(), 12);
CHECK_EQ(source_geometry->get_indices().size(), 6);
}
SUBCASE("Parsed geometry should be extendible with other geometry") {
source_geometry->merge(source_geometry); // Merging with itself.
const Vector<float> vertices = source_geometry->get_vertices();
const Vector<int> indices = source_geometry->get_indices();
REQUIRE_EQ(vertices.size(), 24);
REQUIRE_EQ(indices.size(), 12);
// Check if first newly added vertex is the same as first vertex.
CHECK_EQ(vertices[0], vertices[12]);
CHECK_EQ(vertices[1], vertices[13]);
CHECK_EQ(vertices[2], vertices[14]);
// Check if first newly added index is the same as first index.
CHECK_EQ(indices[0] + 4, indices[6]);
}
memdelete(mesh_instance);
memdelete(node_3d);
}
// This test case uses only public APIs on purpose - other test cases use simplified baking.
TEST_CASE("[NavigationServer3D][SceneTree] Server should be able to bake map correctly") {
NavigationServer3D *navigation_server = NavigationServer3D::get_singleton();