region.hpp

Go to the documentation of this file.

#pragma once
 
std::vector<uint32_t> region_map_from(sys::state& state) {
    uint32_t province_size = state.world.province_size() + 1;
    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 id = fat_id.get_abstract_state_membership();
        uint32_t color = ogl::color_from_hash(id.get_state().id.index());
        auto i = province::to_map_id(prov_id);
        prov_color[i] = color;
        prov_color[i + texture_size] = color;
    });
 
    return prov_color;
}