national_focus.hpp

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#pragma once
 
std::vector<uint32_t> national_focus_map_from(sys::state& state) {
    uint32_t province_size = state.world.province_size();
    uint32_t texture_size = province_size + 256 - province_size % 256;
 
    std::vector<uint32_t> prov_color(texture_size * 2);
    state.world.for_each_province([&](dcon::province_id prov_id) {
        auto fat_id = dcon::fatten(state.world, prov_id);
        auto nation = fat_id.get_nation_from_province_ownership();
        auto i = province::to_map_id(prov_id);
 
        if(nation == state.local_player_nation && fat_id.get_state_membership().get_owner_focus()) {
            prov_color[i] = sys::pack_color(46, 247, 15);
            prov_color[i + texture_size] = sys::pack_color(46, 247, 15);
        }
    });
    return prov_color;
}