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Fix MultiMeshInstance crash in navmesh baking when MultiMesh Resource is empty 

Fix MultiMeshInstance crash in navmesh baking when MultiMesh Resource is empty

(cherry picked from commit caceceab08)
This commit is contained in:
smix8 2022-05-27 19:35:00 +02:00 committed by Rémi Verschelde
parent ed4e597027
commit 47ade6786f
1 changed files with 10 additions and 8 deletions
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18
modules/navigation/navigation_mesh_generator.cpp
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@ -174,14 +174,16 @@ void NavigationMeshGenerator::_parse_geometry(const Transform &p_navmesh_xform,
if (Object::cast_to<MultiMeshInstance>(p_node) && p_generate_from != NavigationMesh::PARSED_GEOMETRY_STATIC_COLLIDERS) { if (Object::cast_to<MultiMeshInstance>(p_node) && p_generate_from != NavigationMesh::PARSED_GEOMETRY_STATIC_COLLIDERS) {
MultiMeshInstance *multimesh_instance = Object::cast_to<MultiMeshInstance>(p_node); MultiMeshInstance *multimesh_instance = Object::cast_to<MultiMeshInstance>(p_node);
Ref<MultiMesh> multimesh = multimesh_instance->get_multimesh(); Ref<MultiMesh> multimesh = multimesh_instance->get_multimesh();
Ref<Mesh> mesh = multimesh->get_mesh(); if (multimesh.is_valid()) {
if (mesh.is_valid()) { Ref<Mesh> mesh = multimesh->get_mesh();
int n = multimesh->get_visible_instance_count(); if (mesh.is_valid()) {
if (n == -1) { int n = multimesh->get_visible_instance_count();
n = multimesh->get_instance_count(); if (n == -1) {
} n = multimesh->get_instance_count();
for (int i = 0; i < n; i++) { }
_add_mesh(mesh, p_navmesh_xform * multimesh_instance->get_global_transform() * multimesh->get_instance_transform(i), p_vertices, p_indices); for (int i = 0; i < n; i++) {
_add_mesh(mesh, p_navmesh_xform * multimesh_instance->get_global_transform() * multimesh->get_instance_transform(i), p_vertices, p_indices);
}
} }
} }
} }