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harrierpigeonandClaude Fable 5.1
febd82f6df
collect_layers_to_print() drops the belt layers that print nothing (an object's empty lead-in), but m_layer_count still counted every object and support layer, so "total layers count", the total_layer_count placeholder and the M73 progress disagreed with the layer changes in the file. Count with the same predicate, shared through belt_object_layer_prints_something(). The by-object overload of collect_layers_to_print() now drops those layers as well, so both print sequences write the same layer changes. Dropping the empty entries per object has one more effect on multi- filament belt prints: a layer no longer selects a filament that it then prints nothing with. On belt_project.3mf (two filaments, belt purge tower) the T commands go from 472 to 106 while the extruded length per filament is unchanged; each of the removed tool changes was followed by no extrusion. The empty-layers test now runs for both print sequences and also checks "total layers count" against the layer changes. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>