Players: "the actual enemy mech in external view is not showing darkened armor
panels". We swapped destroyed LIMB meshes but never darkened a panel.
The 1995 game darkens armour through the MATERIALS. MakeMechRenderables
(FUN_004cef28) built, per (damage zone, material), a watcher
FUN_004573e4(material, &zone->damageLevel, 0.1f) that snapshotted the materials
