natiny_mesh_reload

int natiny_mesh_reload(NatinyMesh mesh, NatinyResource mesh_resource);

Replaces the geometry inside an existing mesh. The handle does not change.

Parameters

Returns

Example

NatinyMesh mesh = natiny_mesh_load(resource);
natiny_model_set_mesh(model, mesh);
NatinyResource replacement = natiny_resource_load("models/tree.glb");

/*  The model keeps its place in the scene and shows the new shape.  */
if (!natiny_mesh_reload(mesh, replacement)) {
    /* The mesh still contains its previous geometry. */
}
natiny_resource_destroy(replacement);

Notes

• Every model built on this mesh keeps its transform, its material and its place in the scene, and shows the new shape.
• Whether the mesh is dynamic is a decision the program made, not something the file says; a reload does not take it back.
• Per-part overrides set with natiny_model_set_part_material and natiny_model_set_part_texture are indexed by part. They survive a reload that keeps the part count and are dropped by one that changes it, because the indices would otherwise name different parts.
• Returns 0 if mesh is not live or the resource cannot be loaded as glTF 2.0. A failure leaves the mesh exactly as it was.
• The resource data is copied during the call and may be destroyed after a successful reload.