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Clamp NavigationMesh sample_distance above zero

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While default ReCast library has support for 0.0 'sample_distance' the Godot implementation does not an crashes.
Previously Godot would set all sample_distance values below 0.9 to 0 which causes the crashes.

This limits the sample_distance range selection to 0.1 - 16.0 and also clamps sample_distance that are below 0.1 before ReCast receives them.
This commit is contained in:
smix8 2022-05-15 21:52:02 +02:00
parent 6d5d9dd82a
commit e33fa9d833
2 changed files with 3 additions and 3 deletions
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2
modules/navigation/navigation_mesh_generator.cpp
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@ -445,7 +445,7 @@ void NavigationMeshGenerator::_build_recast_navigation_mesh(
cfg.minRegionArea = (int)(p_nav_mesh->get_region_min_size() * p_nav_mesh->get_region_min_size());
cfg.mergeRegionArea = (int)(p_nav_mesh->get_region_merge_size() * p_nav_mesh->get_region_merge_size());
cfg.maxVertsPerPoly = (int)p_nav_mesh->get_verts_per_poly();
cfg.detailSampleDist = p_nav_mesh->get_detail_sample_distance() < 0.9f ? 0 : p_nav_mesh->get_cell_size() * p_nav_mesh->get_detail_sample_distance();
cfg.detailSampleDist = MAX(p_nav_mesh->get_cell_size() * p_nav_mesh->get_detail_sample_distance(), 0.1f);
cfg.detailSampleMaxError = p_nav_mesh->get_cell_height() * p_nav_mesh->get_detail_sample_max_error();
cfg.bmin[0] = bmin[0];

4
scene/resources/navigation_mesh.cpp
View file

@ -229,7 +229,7 @@ float NavigationMesh::get_verts_per_poly() const {
}
void NavigationMesh::set_detail_sample_distance(float p_value) {
ERR_FAIL_COND(p_value < 0);
ERR_FAIL_COND(p_value < 0.1);
detail_sample_distance = p_value;
}
@ -501,7 +501,7 @@ void NavigationMesh::_bind_methods() {
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_distance", PROPERTY_HINT_RANGE, "0.1,16.0,0.01,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");