Move render state arrays onto stack
Check whether C++ linker works
Write point_seg carefully
Remove serial detail class_type_indirection
Use array<> for find_joining_side_norms edge_verts
Remove unused g3_draw_rod_tmap return value
Reduce code duplication in !OGL g3_draw_bitmap
Inline med_get_vertex_list
Use range_for to iterate segment codes
Use std::accumulate for compute_seg_dynamic_light
Move find_connect_side validation into find_seg_side
Compact validate_modified_segments