void world_render_challenges( world_instance *world, struct world_pass *pass,
v3f pos, int layer_depth ){
if( !world ) return;
if( skaterift.activity == k_skaterift_replay ) return;
void world_render_challenges( world_instance *world, struct world_pass *pass,
v3f pos, int layer_depth ){
if( !world ) return;
if( skaterift.activity == k_skaterift_replay ) return;