modifiers.cpp

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#include "modifiers.hpp"
#include "system_state.hpp"
#include "demographics.hpp"
#include "military.hpp"
#include "military_templates.hpp"
#include "province.hpp"
#include "province_templates.hpp"
#include "triggers.hpp"
#include "ve_scalar_extensions.hpp"
 
namespace sys {
 
// NOTE: these functions do not add or remove a modifier from the list of modifiers for an entity
void apply_modifier_values_to_nation(sys::state& state, dcon::nation_id target_nation, dcon::modifier_id mod_id) {
    auto& nat_values = state.world.modifier_get_national_values(mod_id);
    for(uint32_t i = 0; i < sys::national_modifier_definition::modifier_definition_size; ++i) {
        if(!(nat_values.offsets[i]))
            break; // no more modifier values
 
        auto fixed_offset = nat_values.offsets[i];
        auto modifier_amount = nat_values.values[i];
        state.world.nation_get_modifier_values(target_nation, fixed_offset) += modifier_amount;
    }
}
 
void apply_scaled_modifier_values_to_nation(sys::state& state, dcon::nation_id target_nation, dcon::modifier_id mod_id,
        float scale) {
    auto& nat_values = state.world.modifier_get_national_values(mod_id);
    for(uint32_t i = 0; i < sys::national_modifier_definition::modifier_definition_size; ++i) {
        if(!(nat_values.offsets[i]))
            break; // no more modifier values
 
        auto fixed_offset = nat_values.offsets[i];
        auto modifier_amount = nat_values.values[i];
        state.world.nation_get_modifier_values(target_nation, fixed_offset) += modifier_amount * scale;
    }
}
 
void apply_modifier_values_to_province(sys::state& state, dcon::province_id target_prov, dcon::modifier_id mod_id) {
    auto& prov_values = state.world.modifier_get_province_values(mod_id);
    auto owner = state.world.province_get_nation_from_province_ownership(target_prov);
    for(uint32_t i = 0; i < sys::provincial_modifier_definition::modifier_definition_size; ++i) {
        if(!(prov_values.offsets[i]))
            break; // no more modifier values
 
        auto fixed_offset = prov_values.offsets[i];
        auto modifier_amount = prov_values.values[i];
        state.world.province_get_modifier_values(target_prov, fixed_offset) += modifier_amount;
    }
    if(owner) {
        auto& nat_values = state.world.modifier_get_national_values(mod_id);
        for(uint32_t i = 0; i < sys::national_modifier_definition::modifier_definition_size; ++i) {
            if(!(nat_values.offsets[i]))
                break; // no more modifier values
 
            auto fixed_offset = nat_values.offsets[i];
            auto modifier_amount = nat_values.values[i];
            state.world.nation_get_modifier_values(owner, fixed_offset) += modifier_amount;
        }
    }
}
 
void add_modifier_to_nation(sys::state& state, dcon::nation_id target_nation, dcon::modifier_id mod_id, sys::date expiration) {
    auto lst = state.world.nation_get_current_modifiers(target_nation);
    for(auto& m : lst) {
        if(m.mod_id == mod_id) {
            if(!expiration || (m.expiration && m.expiration < expiration)) {
                m.expiration = expiration;
            }
            return;
        }
    }
    lst.push_back(sys::dated_modifier{expiration, mod_id});
}
void add_modifier_to_province(sys::state& state, dcon::province_id target_prov, dcon::modifier_id mod_id, sys::date expiration) {
    auto lst = state.world.province_get_current_modifiers(target_prov);
    for(auto& m : lst) {
        if(m.mod_id == mod_id) {
            if(!expiration || (m.expiration && m.expiration < expiration)) {
                m.expiration = expiration;
            }
            return;
        }
    }
    lst.push_back(sys::dated_modifier{expiration, mod_id});
}
void remove_modifier_from_nation(sys::state& state, dcon::nation_id target_nation, dcon::modifier_id mod_id) {
    auto modifiers_range = state.world.nation_get_current_modifiers(target_nation);
    auto count = modifiers_range.size();
    for(uint32_t i = count; i-- > 0;) {
        if(modifiers_range.at(i).mod_id == mod_id) {
            modifiers_range.remove_at(i);
            return;
        }
    }
}
 
void remove_modifier_from_province(sys::state& state, dcon::province_id target_prov, dcon::modifier_id mod_id) {
    auto modifiers_range = state.world.province_get_current_modifiers(target_prov);
    auto count = modifiers_range.size();
    for(uint32_t i = count; i-- > 0;) {
        if(modifiers_range.at(i).mod_id == mod_id) {
            modifiers_range.remove_at(i);
            return;
        }
    }
}
 
void toggle_modifier_from_province(sys::state& state, dcon::province_id target_prov, dcon::modifier_id mod_id, sys::date expiration) {
    auto lst = state.world.province_get_current_modifiers(target_prov);
    auto modifiers_range = state.world.province_get_current_modifiers(target_prov);
    auto count = modifiers_range.size();
    for(uint32_t i = count; i-- > 0;) {
        if(modifiers_range.at(i).mod_id == mod_id) {
            modifiers_range.remove_at(i);
            return;
        }
    }
    lst.push_back(sys::dated_modifier{ expiration, mod_id });
}
 
template<typename F>
void bulk_apply_masked_modifier_to_nations(sys::state& state, dcon::modifier_id m, F const& mask_functor) {
    auto& nat_values = state.world.modifier_get_national_values(m);
    for(uint32_t i = 0; i < sys::national_modifier_definition::modifier_definition_size; ++i) {
        if(!(nat_values.offsets[i]))
            break; // no more modifier values attached
 
        state.world.execute_serial_over_nation(
                [&, fixed_offset = nat_values.offsets[i], modifier_amount = nat_values.values[i]](auto nation_indices) {
                    auto has_mod_mask = mask_functor(nation_indices);
                    auto old_mod_value = state.world.nation_get_modifier_values(nation_indices, fixed_offset);
                    state.world.nation_set_modifier_values(nation_indices, fixed_offset,
                            ve::select(has_mod_mask, old_mod_value + modifier_amount, old_mod_value));
                });
    }
}
 
template<typename F>
void bulk_apply_scaled_modifier_to_nations(sys::state& state, dcon::modifier_id m, F const& scale_functor) {
    auto& nat_values = state.world.modifier_get_national_values(m);
    for(uint32_t i = 0; i < sys::national_modifier_definition::modifier_definition_size; ++i) {
        if(!(nat_values.offsets[i]))
            break; // no more modifier values attached
 
        state.world.execute_serial_over_nation(
                [&, fixed_offset = nat_values.offsets[i], modifier_amount = nat_values.values[i]](auto nation_indices) {
                    auto scaling_factor = scale_functor(nation_indices);
                    auto old_mod_value = state.world.nation_get_modifier_values(nation_indices, fixed_offset);
                    state.world.nation_set_modifier_values(nation_indices, fixed_offset, old_mod_value + scaling_factor * modifier_amount);
                });
    }
}
 
template<typename F>
void bulk_apply_masked_modifier_to_provinces(sys::state& state, dcon::modifier_id mod_id, F const& mask_functor) {
    auto& prov_values = state.world.modifier_get_province_values(mod_id);
 
    for(uint32_t i = 0; i < sys::provincial_modifier_definition::modifier_definition_size; ++i) {
        if(!(prov_values.offsets[i]))
            break; // no more modifier values
 
        auto fixed_offset = prov_values.offsets[i];
        auto modifier_amount = prov_values.values[i];
 
        province::ve_for_each_land_province(state, [&](auto ids) {
            auto has_mod_mask = mask_functor(ids);
            auto old_value = state.world.province_get_modifier_values(ids, fixed_offset);
            state.world.province_set_modifier_values(ids, fixed_offset,
                    ve::select(has_mod_mask, old_value + modifier_amount, old_value));
        });
    }
 
    auto& nat_values = state.world.modifier_get_national_values(mod_id);
 
    for(uint32_t i = 0; i < sys::national_modifier_definition::modifier_definition_size; ++i) {
        if(!(nat_values.offsets[i]))
            break; // no more modifier values
 
        auto fixed_offset = nat_values.offsets[i];
        auto modifier_amount = nat_values.values[i];
 
        province::ve_for_each_land_province(state, [&](auto ids) {
            auto owners = state.world.province_get_nation_from_province_ownership(ids);
            auto has_mod_mask = mask_functor(ids) && (owners != dcon::nation_id{});
 
            auto old_value = state.world.nation_get_modifier_values(owners, fixed_offset);
            state.world.nation_set_modifier_values(owners, fixed_offset,
                    ve::select(has_mod_mask, old_value + modifier_amount, old_value));
        });
    }
}
 
void bulk_apply_modifier_to_provinces(sys::state& state, dcon::modifier_id mod_id) {
    auto& prov_values = state.world.modifier_get_province_values(mod_id);
 
    for(uint32_t i = 0; i < sys::provincial_modifier_definition::modifier_definition_size; ++i) {
        if(!(prov_values.offsets[i]))
            break; // no more modifier values
 
        auto fixed_offset = prov_values.offsets[i];
        auto modifier_amount = prov_values.values[i];
 
        province::ve_for_each_land_province(state, [&](auto ids) {
            auto old_value = state.world.province_get_modifier_values(ids, fixed_offset);
            state.world.province_set_modifier_values(ids, fixed_offset, old_value + modifier_amount);
        });
    }
}
 
template<typename F>
void bulk_apply_scaled_modifier_to_provinces(sys::state& state, dcon::modifier_id mod_id, F const& scale_functor) {
    auto& prov_values = state.world.modifier_get_province_values(mod_id);
 
    for(uint32_t i = 0; i < sys::provincial_modifier_definition::modifier_definition_size; ++i) {
        if(!(prov_values.offsets[i]))
            break; // no more modifier values
 
        auto fixed_offset = prov_values.offsets[i];
        auto modifier_amount = prov_values.values[i];
 
        province::ve_for_each_land_province(state, [&](auto ids) {
            auto scale = scale_functor(ids);
            auto old_value = state.world.province_get_modifier_values(ids, fixed_offset);
            state.world.province_set_modifier_values(ids, fixed_offset, old_value + modifier_amount * scale);
        });
    }
 
    auto& nat_values = state.world.modifier_get_national_values(mod_id);
 
    for(uint32_t i = 0; i < sys::national_modifier_definition::modifier_definition_size; ++i) {
        if(!(nat_values.offsets[i]))
            break; // no more modifier values
 
        auto fixed_offset = nat_values.offsets[i];
        auto modifier_amount = nat_values.values[i];
 
        province::ve_for_each_land_province(state, [&](auto ids) {
            auto owners = state.world.province_get_nation_from_province_ownership(ids);
            auto scale = ve::select(owners != dcon::nation_id{}, scale_functor(ids), 0.0f);
 
            auto old_value = state.world.nation_get_modifier_values(owners, fixed_offset);
            state.world.nation_set_modifier_values(owners, fixed_offset, old_value + modifier_amount * scale);
        });
    }
}
 
void recreate_national_modifiers(sys::state& state) {
 
    // purge expired triggered modifiers
    for(auto n : state.world.in_nation) {
        auto timed_modifiers = n.get_current_modifiers();
        for(uint32_t i = timed_modifiers.size(); i-- > 0;) {
            if(bool(timed_modifiers[i].expiration) && timed_modifiers[i].expiration < state.current_date) {
                timed_modifiers.remove_at(i);
            }
        }
    }
 
    concurrency::parallel_for(uint32_t(0), sys::national_mod_offsets::count, [&](uint32_t i) {
        dcon::national_modifier_value mid{dcon::national_modifier_value::value_base_t(i)};
        state.world.execute_serial_over_nation([&](auto ids) { state.world.nation_set_modifier_values(ids, mid, ve::fp_vector{}); });
    });
 
    for(auto n : state.world.in_nation) {
        if(auto ts = n.get_tech_school(); ts)
            apply_modifier_values_to_nation(state, n, ts);
    }
    for(auto n : state.world.in_nation) {
        if(auto nv = n.get_national_value(); nv)
            apply_modifier_values_to_nation(state, n, nv);
    }
    for(auto n : state.world.in_nation) {
        for(auto mpr : state.world.nation_get_current_modifiers(n)) {
            apply_modifier_values_to_nation(state, n, mpr.mod_id);
        }
    }
    state.world.for_each_technology([&](dcon::technology_id t) {
        auto tmod = state.world.technology_get_modifier(t);
        if(tmod) {
            bulk_apply_masked_modifier_to_nations(state, tmod,
                    [&](auto ids) { return state.world.nation_get_active_technologies(ids, t); });
        }
    });
    state.world.for_each_invention([&](dcon::invention_id i) {
        auto tmod = state.world.invention_get_modifier(i);
        if(tmod) {
            bulk_apply_masked_modifier_to_nations(state, tmod,
                    [&](auto ids) { return state.world.nation_get_active_inventions(ids, i); });
        }
    });
    state.world.for_each_issue([&](dcon::issue_id i) {
        for(auto n : state.world.in_nation) {
            auto iopt = state.world.nation_get_issues(n, i);
            auto imod = state.world.issue_option_get_modifier(iopt);
            if(imod && (n.get_is_civilized() || state.world.issue_get_issue_type(i) == uint8_t(culture::issue_type::party))) {
                apply_modifier_values_to_nation(state, n, imod);
            }
        }
    });
    state.world.for_each_reform([&](dcon::reform_id i) {
        for(auto n : state.world.in_nation) {
            auto iopt = state.world.nation_get_reforms(n, i);
            auto imod = state.world.reform_option_get_modifier(iopt);
            if(imod && !n.get_is_civilized()) {
                apply_modifier_values_to_nation(state, n, imod);
            }
        }
    });
    for(auto n : state.world.in_nation) {
        auto in_wars = n.get_war_participant();
        if(in_wars.begin() != in_wars.end()) {
            if(state.national_definitions.war)
                apply_modifier_values_to_nation(state, n, state.national_definitions.war);
        } else {
            if(state.national_definitions.peace)
                apply_modifier_values_to_nation(state, n, state.national_definitions.peace);
        }
    }
 
    if(state.national_definitions.badboy) {
        bulk_apply_scaled_modifier_to_nations(state, state.national_definitions.badboy,
                [&](auto ids) { return state.world.nation_get_infamy(ids); });
    }
    if(state.national_definitions.plurality) {
        bulk_apply_scaled_modifier_to_nations(state, state.national_definitions.plurality,
                [&](auto ids) { return state.world.nation_get_plurality(ids); });
    }
    if(state.national_definitions.war_exhaustion) {
        bulk_apply_scaled_modifier_to_nations(state, state.national_definitions.war_exhaustion,
                [&](auto ids) { return state.world.nation_get_war_exhaustion(ids); });
    }
    if(state.national_definitions.average_literacy) {
        bulk_apply_scaled_modifier_to_nations(state, state.national_definitions.average_literacy, [&](auto ids) {
            auto total = state.world.nation_get_demographics(ids, demographics::total);
            return ve::select(total > 0, state.world.nation_get_demographics(ids, demographics::literacy) / total, 0.0f);
        });
    }
    if(state.national_definitions.total_blockaded) {
        bulk_apply_scaled_modifier_to_nations(state, state.national_definitions.total_blockaded, [&](auto ids) {
            auto bc = ve::to_float(state.world.nation_get_central_blockaded(ids));
            auto c = ve::to_float(state.world.nation_get_central_ports(ids));
            return ve::select(c > 0.0f, bc / c, 0.0f);
        });
    }
    if(state.national_definitions.total_occupation) {
        bulk_apply_scaled_modifier_to_nations(state, state.national_definitions.total_occupation, [&](auto ids) {
            return ve::apply(
                    [&](dcon::nation_id nid) {
                        auto n = fatten(state.world, nid);
                        auto cap_continent = n.get_capital().get_continent();
                        float total = 0.0f;
                        float occupied = 0.0f;
                        for(auto owned : n.get_province_ownership()) {
                            if(owned.get_province().get_continent() == cap_continent) {
                                total += 1.0f;
                                if(auto c = owned.get_province().get_nation_from_province_control().id; c && c != n.id) {
                                    occupied += 1.0f;
                                }
                            }
                        }
                        if(total > 0.0f)
                            return 100.0f * occupied / total;
                        else
                            return 0.0f;
                    },
                    ids);
        });
    }
    for(auto n : state.world.in_nation) {
        if(n.get_is_civilized() == false) {
            if(state.national_definitions.unciv_nation) {
                apply_modifier_values_to_nation(state, n, state.national_definitions.unciv_nation);
            }
        } else if(nations::is_great_power(state, n)) {
            if(state.national_definitions.great_power)
                apply_modifier_values_to_nation(state, n, state.national_definitions.great_power);
        } else if(n.get_rank() <= uint16_t(state.defines.colonial_rank)) {
            if(state.national_definitions.second_power)
                apply_modifier_values_to_nation(state, n, state.national_definitions.second_power);
        } else {
            if(state.national_definitions.civ_nation)
                apply_modifier_values_to_nation(state, n, state.national_definitions.civ_nation);
        }
    }
    if(state.national_definitions.disarming) {
        for(auto n : state.world.in_nation) {
            if(bool(n.get_disarmed_until()) && n.get_disarmed_until() > state.current_date) {
                apply_modifier_values_to_nation(state, n, state.national_definitions.disarming);
            }
        }
    }
    if(state.national_definitions.in_bankrupcy) {
        bulk_apply_masked_modifier_to_nations(state, state.national_definitions.in_bankrupcy,
                [&](auto ids) { return state.world.nation_get_is_bankrupt(ids); });
    }
    // TODO: debt
 
    for(auto tm : state.national_definitions.triggered_modifiers) {
        if(tm.trigger_condition && tm.linked_modifier) {
            auto& nat_values = state.world.modifier_get_national_values(tm.linked_modifier);
            auto size_used = state.world.nation_size();
            ve::execute_serial_fast<dcon::nation_id>(size_used, [&](auto nids) {
                auto trigger_condition_satisfied =
                        trigger::evaluate(state, tm.trigger_condition, trigger::to_generic(nids), trigger::to_generic(nids), 0) &&
                        ve::apply([size_used](auto n) { return n.index() < int32_t(size_used); }, nids);
                auto compressed_res = ve::compress_mask(trigger_condition_satisfied);
                if(compressed_res.v == ve::vbitfield_type::storage(0)) {
                    return;
                } else {
                    for(uint32_t i = 0; i < sys::national_modifier_definition::modifier_definition_size; ++i) {
                        if(!(nat_values.offsets[i]))
                            break; // no more modifier values attached
 
                        auto fixed_offset = nat_values.offsets[i];
                        auto modifier_amount = nat_values.values[i];
                        auto old_mod_value = state.world.nation_get_modifier_values(nids, fixed_offset);
                        state.world.nation_set_modifier_values(nids, fixed_offset,
                                ve::select(trigger_condition_satisfied, old_mod_value + modifier_amount, old_mod_value));
                    }
                }
            });
        }
    }
}
 
void update_single_nation_modifiers(sys::state& state, dcon::nation_id n) {
 
    for(uint32_t i = uint32_t(0); i < sys::national_mod_offsets::count; ++i) {
        dcon::national_modifier_value mid{dcon::national_modifier_value::value_base_t(i)};
        state.world.nation_set_modifier_values(n, mid, 0.0f);
    }
 
    if(auto ts = state.world.nation_get_tech_school(n); ts)
        apply_modifier_values_to_nation(state, n, ts);
 
    if(auto nv = state.world.nation_get_national_value(n); nv)
        apply_modifier_values_to_nation(state, n, nv);
 
    for(auto mpr : state.world.nation_get_current_modifiers(n)) {
        apply_modifier_values_to_nation(state, n, mpr.mod_id);
    }
 
    state.world.for_each_technology([&](dcon::technology_id t) {
        auto tmod = state.world.technology_get_modifier(t);
        if(tmod && state.world.nation_get_active_technologies(n, t)) {
            apply_modifier_values_to_nation(state, n, tmod);
        }
    });
    state.world.for_each_invention([&](dcon::invention_id i) {
        auto tmod = state.world.invention_get_modifier(i);
        if(tmod && state.world.nation_get_active_inventions(n, i)) {
            apply_modifier_values_to_nation(state, n, tmod);
        }
    });
    state.world.for_each_issue([&](dcon::issue_id i) {
        auto iopt = state.world.nation_get_issues(n, i);
        auto imod = state.world.issue_option_get_modifier(iopt);
        if(imod &&
                (state.world.nation_get_is_civilized(n) || state.world.issue_get_issue_type(i) == uint8_t(culture::issue_type::party))) {
            apply_modifier_values_to_nation(state, n, imod);
        }
    });
    if(!state.world.nation_get_is_civilized(n)) {
        state.world.for_each_reform([&](dcon::reform_id i) {
            auto iopt = state.world.nation_get_reforms(n, i);
            auto imod = state.world.reform_option_get_modifier(iopt);
            if(imod) {
                apply_modifier_values_to_nation(state, n, imod);
            }
        });
    }
 
    auto in_wars = state.world.nation_get_war_participant(n);
    if(in_wars.begin() != in_wars.end()) {
        if(state.national_definitions.war)
            apply_modifier_values_to_nation(state, n, state.national_definitions.war);
    } else {
        if(state.national_definitions.peace)
            apply_modifier_values_to_nation(state, n, state.national_definitions.peace);
    }
 
    if(state.national_definitions.badboy) {
        apply_scaled_modifier_values_to_nation(state, n, state.national_definitions.badboy, state.world.nation_get_infamy(n));
    }
    if(state.national_definitions.plurality) {
        apply_scaled_modifier_values_to_nation(state, n, state.national_definitions.plurality, state.world.nation_get_plurality(n));
    }
    if(state.national_definitions.war_exhaustion) {
        apply_scaled_modifier_values_to_nation(state, n, state.national_definitions.war_exhaustion,
                state.world.nation_get_war_exhaustion(n));
    }
    if(state.national_definitions.average_literacy) {
        auto total = state.world.nation_get_demographics(n, demographics::total);
        apply_scaled_modifier_values_to_nation(state, n, state.national_definitions.average_literacy,
                total > 0 ? state.world.nation_get_demographics(n, demographics::literacy) / total : 0.0f);
    }
    if(state.national_definitions.total_blockaded) {
        auto bc = ve::to_float(state.world.nation_get_central_blockaded(n));
        auto c = ve::to_float(state.world.nation_get_central_ports(n));
 
        apply_scaled_modifier_values_to_nation(state, n, state.national_definitions.total_blockaded, c > 0.0f ? bc / c : 0.0f);
    }
    if(state.national_definitions.total_occupation) {
        auto nid = fatten(state.world, n);
        auto cap_continent = nid.get_capital().get_continent();
        float total = 0.0f;
        float occupied = 0.0f;
        for(auto owned : nid.get_province_ownership()) {
            if(owned.get_province().get_continent() == cap_continent) {
                total += 1.0f;
                if(auto c = owned.get_province().get_nation_from_province_control().id; c && c != n) {
                    occupied += 1.0f;
                }
            }
        }
 
        apply_scaled_modifier_values_to_nation(state, n, state.national_definitions.total_occupation,
                total > 0.0f ? occupied / total : 0.0f);
    }
 
    if(state.world.nation_get_is_civilized(n) == false) {
        if(state.national_definitions.unciv_nation)
            apply_modifier_values_to_nation(state, n, state.national_definitions.unciv_nation);
    } else if(nations::is_great_power(state, n)) {
        if(state.national_definitions.great_power)
            apply_modifier_values_to_nation(state, n, state.national_definitions.great_power);
    } else if(state.world.nation_get_rank(n) <= uint16_t(state.defines.colonial_rank)) {
        if(state.national_definitions.second_power)
            apply_modifier_values_to_nation(state, n, state.national_definitions.second_power);
    } else {
        if(state.national_definitions.civ_nation)
            apply_modifier_values_to_nation(state, n, state.national_definitions.civ_nation);
    }
 
    if(state.national_definitions.disarming) {
        if(bool(state.world.nation_get_disarmed_until(n)) && state.world.nation_get_disarmed_until(n) > state.current_date) {
            apply_modifier_values_to_nation(state, n, state.national_definitions.disarming);
        }
    }
    if(state.national_definitions.in_bankrupcy) {
        if(bool(state.world.nation_get_is_bankrupt(n))) {
            apply_modifier_values_to_nation(state, n, state.national_definitions.in_bankrupcy);
        }
    }
    // TODO: debt
 
    for(auto tm : state.national_definitions.triggered_modifiers) {
        if(tm.trigger_condition && tm.linked_modifier) {
 
            auto trigger_condition_satisfied =
                    trigger::evaluate(state, tm.trigger_condition, trigger::to_generic(n), trigger::to_generic(n), 0);
 
            if(trigger_condition_satisfied) {
                apply_modifier_values_to_nation(state, n, tm.linked_modifier);
            }
        }
    }
}
 
void recreate_province_modifiers(sys::state& state) {
    // purge expired triggered modifiers
    province::for_each_land_province(state, [&](dcon::province_id p) {
        auto timed_modifiers = state.world.province_get_current_modifiers(p);
        for(uint32_t i = timed_modifiers.size(); i-- > 0;) {
            if(bool(timed_modifiers[i].expiration) && timed_modifiers[i].expiration < state.current_date) {
                timed_modifiers.remove_at(i);
            }
        }
    });
 
    concurrency::parallel_for(uint32_t(0), sys::provincial_mod_offsets::count, [&](uint32_t i) {
        dcon::provincial_modifier_value mid{dcon::provincial_modifier_value::value_base_t(i)};
        province::ve_for_each_land_province(state,
                [&](auto ids) { state.world.province_set_modifier_values(ids, mid, ve::fp_vector{}); });
    });
 
    if(state.national_definitions.land_province)
        bulk_apply_modifier_to_provinces(state, state.national_definitions.land_province);
 
    province::for_each_land_province(state, [&](dcon::province_id p) {
        for(auto mpr : state.world.province_get_current_modifiers(p)) {
            apply_modifier_values_to_province(state, p, mpr.mod_id);
        }
    });
 
    province::for_each_land_province(state, [&](dcon::province_id p) {
        if(auto m = state.world.province_get_terrain(p); m)
            apply_modifier_values_to_province(state, p, m);
    });
    province::for_each_land_province(state, [&](dcon::province_id p) {
        if(auto m = state.world.province_get_climate(p); m)
            apply_modifier_values_to_province(state, p, m);
    });
    province::for_each_land_province(state, [&](dcon::province_id p) {
        if(auto m = state.world.province_get_continent(p); m)
            apply_modifier_values_to_province(state, p, m);
    });
    province::for_each_land_province(state, [&](dcon::province_id p) {
        if(auto m = state.world.province_get_state_membership(p).get_owner_focus(); m)
            apply_modifier_values_to_province(state, p, m.get_modifier());
    });
    province::for_each_land_province(state, [&](dcon::province_id p) {
        if(auto c = state.world.province_get_crime(p); c) {
            if(auto m = state.culture_definitions.crimes[c].modifier; m)
                apply_modifier_values_to_province(state, p, m);
        }
    });
 
    for(auto t = economy::province_building_type::railroad; t != economy::province_building_type::last; t = economy::province_building_type(uint8_t(t) + 1)) {
        if(state.economy_definitions.building_definitions[int32_t(t)].province_modifier) {
            bulk_apply_scaled_modifier_to_provinces(state, state.economy_definitions.building_definitions[int32_t(t)].province_modifier,
                    [&](auto ids) { return ve::to_float(state.world.province_get_building_level(ids, uint8_t(t))); });
        }
    }
    if(state.national_definitions.infrastructure) {
        bulk_apply_scaled_modifier_to_provinces(state, state.national_definitions.infrastructure, [&](auto ids) {
            return ve::to_float(state.world.province_get_building_level(ids, uint8_t(economy::province_building_type::railroad))) *
                         state.economy_definitions.building_definitions[int32_t(economy::province_building_type::railroad)].infrastructure;
        });
    }
    if(state.national_definitions.nationalism) {
        bulk_apply_scaled_modifier_to_provinces(state, state.national_definitions.nationalism, [&](auto ids) {
            return ve::select(state.world.province_get_is_owner_core(ids), 0.0f, state.world.province_get_nationalism(ids));
        });
    }
    if(state.national_definitions.non_coastal) {
        bulk_apply_masked_modifier_to_provinces(state, state.national_definitions.non_coastal,
                [&](auto ids) { return !state.world.province_get_is_coast(ids); });
    }
    if(state.national_definitions.coastal) {
        bulk_apply_masked_modifier_to_provinces(state, state.national_definitions.coastal,
                [&](auto ids) { return state.world.province_get_is_coast(ids); });
    }
    if(state.national_definitions.overseas) {
        bulk_apply_masked_modifier_to_provinces(state, state.national_definitions.overseas,
                [&](auto ids) { return province::is_overseas(state, ids); });
    }
    if(state.national_definitions.core) {
        bulk_apply_masked_modifier_to_provinces(state, state.national_definitions.core,
                [&](auto ids) { return state.world.province_get_is_owner_core(ids); });
    }
    if(state.national_definitions.has_siege) {
        bulk_apply_masked_modifier_to_provinces(state, state.national_definitions.has_siege,
                [&](auto ids) { return military::province_is_under_siege(state, ids); });
    }
    if(state.national_definitions.blockaded) {
        bulk_apply_masked_modifier_to_provinces(state, state.national_definitions.blockaded,
                [&](auto ids) { return military::province_is_blockaded(state, ids); });
    }
}
 
// restores values after loading a save
void repopulate_modifier_effects(sys::state& state) {
    recreate_national_modifiers(state);
    recreate_province_modifiers(state);
    for(auto n : state.world.in_nation) {
        economy::bound_budget_settings(state, n);
    }
}
 
void update_modifier_effects(sys::state& state) {
    recreate_national_modifiers(state);
    recreate_province_modifiers(state);
    for(auto n : state.world.in_nation) {
        economy::bound_budget_settings(state, n);
    }
}
 
} // namespace sys