civilization_level.hpp

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#pragma once
 
std::vector<uint32_t> civilization_level_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 nation = state.world.province_get_nation_from_province_ownership(prov_id);
        auto status = nations::get_status(state, nation);
 
        uint32_t color;
 
        // if it is uncolonized
        if(!nation) {
 
            color = sys::pack_color(250, 5, 5); // red
 
        } else if(state.world.nation_get_is_civilized(nation)) {
 
            color = sys::pack_color(53, 196, 53); // green
 
        } else {
 
            float civ_level = state.world.nation_get_modifier_values(nation, sys::national_mod_offsets::civilization_progress_modifier);
            // gray <-> yellow
            color = ogl::color_gradient(civ_level * (1 + (1 - civ_level)), sys::pack_color(250, 250, 5), sys::pack_color(64, 64, 64));
        }
        auto i = province::to_map_id(prov_id);
 
        prov_color[i] = color;
        if(!state.world.province_get_is_colonial(prov_id)) {
            prov_color[i + texture_size] = color;
        } else {
            prov_color[i + texture_size] = sys::pack_color(53, 53, 250);
        }
    });
    return prov_color;
}