cp_aircraft.cpp

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/*
Copyright (C) 2002-2025 UFO: Alien Invasion.
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
See the GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
 
#include "../../DateTime.h"
#include "../../cl_shared.h"
#include "../../ui/ui_dataids.h"
#include "../../../shared/parse.h"
#include "cp_campaign.h"
#include "cp_mapfightequip.h"
#include "cp_geoscape.h"
#include "cp_ufo.h"
#include "cp_alienbase.h"
#include "cp_time.h"
#include "cp_missions.h"
#include "cp_aircraft_callbacks.h"
#include "save/save_aircraft.h"
#include "cp_popup.h"
#include "aliencargo.h"
#include "itemcargo.h"
#include "cp_building.h"

aircraft_t* AIR_GetFirstFromBase (const base_t* b)
{
    if (b) {
        AIR_ForeachFromBase(aircraft, b)
            return aircraft;
    }
 
    return nullptr;
}

bool AIR_BaseHasAircraft (const base_t* base)
{
    return base != nullptr && AIR_GetFirstFromBase(base) != nullptr;
}

int AIR_BaseCountAircraft (const base_t* base)
{
    int count = 0;
 
    AIR_ForeachFromBase(aircraft, base) {
        count++;
    }
 
    return count;
}
 
#ifdef DEBUG
static void AIR_ListAircraft_f (void)
{
    base_t* base = nullptr;
 
    if (cgi->Cmd_Argc() == 2) {
        int baseIdx = atoi(cgi->Cmd_Argv(1));
        base = B_GetFoundedBaseByIDX(baseIdx);
    }
 
    AIR_Foreach(aircraft) {
        if (base && aircraft->homebase != base)
            continue;
 
        cgi->Com_Printf("Aircraft %s\n", aircraft->name);
        cgi->Com_Printf("...idx global %i\n", aircraft->idx);
        cgi->Com_Printf("...homebase: %s\n", aircraft->homebase ? aircraft->homebase->name : "NO HOMEBASE");
        for (int i = 0; i < aircraft->maxWeapons; i++) {
            aircraftSlot_t* slot = &aircraft->weapons[i];
            if (slot->item) {
                cgi->Com_Printf("...weapon slot %i contains %s", i, slot->item->id);
 
                if (!slot->installationTime) {
                    cgi->Com_Printf(" (functional)\n");
                } else if (slot->installationTime > 0) {
                    cgi->Com_Printf(" (%i hours before installation is finished)\n", slot->installationTime);
                } else {
                    cgi->Com_Printf(" (%i hours before removing is finished)\n", slot->installationTime);
                }
 
                if (slot->ammo) {
                    if (slot->ammoLeft > 1) {
                        cgi->Com_Printf("......this weapon is loaded with ammo %s\n", slot->ammo->id);
                    } else {
                        cgi->Com_Printf("......no more ammo (%s)\n", slot->ammo->id);
                    }
                } else {
                    cgi->Com_Printf("......this weapon isn't loaded with ammo\n");
                }
            } else {
                cgi->Com_Printf("...weapon slot %i is empty\n", i);
            }
        }
 
        if (aircraft->shield.item) {
            cgi->Com_Printf("...armour slot contains %s", aircraft->shield.item->id);
            if (!aircraft->shield.installationTime) {
                cgi->Com_Printf(" (functional)\n");
            } else if (aircraft->shield.installationTime > 0) {
                cgi->Com_Printf(" (%i hours before installation is finished)\n", aircraft->shield.installationTime);
            } else {
                cgi->Com_Printf(" (%i hours before removing is finished)\n", aircraft->shield.installationTime);
            }
        } else {
            cgi->Com_Printf("...armour slot is empty\n");
        }
 
        for (int j = 0; j < aircraft->maxElectronics; j++) {
            aircraftSlot_t* slot = &aircraft->weapons[j];
            if (slot->item) {
                cgi->Com_Printf("...electronics slot %i contains %s", j, slot->item->id);
 
                if (!slot->installationTime) {
                    cgi->Com_Printf(" (functional)\n");
                } else if (slot->installationTime > 0) {
                    cgi->Com_Printf(" (%i hours before installation is finished)\n", slot->installationTime);
                } else {
                    cgi->Com_Printf(" (%i hours before removing is finished)\n", slot->installationTime);
                }
            } else {
                cgi->Com_Printf("...electronics slot %i is empty\n", j);
            }
        }
 
        if (aircraft->pilot) {
            character_t* chr = &aircraft->pilot->chr;
            cgi->Com_Printf("...pilot: ucn: %i name: %s\n", chr->ucn, chr->name);
        } else {
            cgi->Com_Printf("...no pilot assigned\n");
        }
 
        cgi->Com_Printf("...damage: %i\n", aircraft->damage);
        cgi->Com_Printf("...stats: ");
        for (int k = 0; k < AIR_STATS_MAX; k++) {
            if (k == AIR_STATS_WRANGE) {
                cgi->Com_Printf("%.2f ", aircraft->stats[k] / 1000.0f);
            } else {
                cgi->Com_Printf("%i ", aircraft->stats[k]);
            }
        }
        cgi->Com_Printf("\n");
        cgi->Com_Printf("...name %s\n", aircraft->id);
        cgi->Com_Printf("...team size %i\n", aircraft->maxTeamSize);
        cgi->Com_Printf("...fuel %i\n", aircraft->fuel);
        cgi->Com_Printf("...status %s\n", (aircraft->status == AIR_CRASHED) ? "crashed" : AIR_AircraftStatusToName(aircraft));
        cgi->Com_Printf("...pos %.0f:%.0f\n", aircraft->pos[0], aircraft->pos[1]);
        cgi->Com_Printf("...team: (%i/%i)\n", cgi->LIST_Count(aircraft->acTeam), aircraft->maxTeamSize);
        LIST_Foreach(aircraft->acTeam, Employee, employee) {
            character_t* chr = &employee->chr;
            cgi->Com_Printf(".........name: %s (ucn: %i)\n", chr->name, chr->ucn);
        }
 
        if (aircraft->itemCargo) {
            cgi->Com_Printf("...itemCargo:\n");
            linkedList_t* cargo = aircraft->itemCargo->list();
            LIST_Foreach(cargo, itemCargo_t, item) {
                cgi->Com_Printf("......item: %s amount: %d loose amount: %d\n", item->objDef->id, item->amount, item->looseAmount);
            }
            cgi->LIST_Delete(&cargo);
        }
 
        if (aircraft->alienCargo) {
            cgi->Com_Printf("...alienCargo:\n");
            linkedList_t* cargo = aircraft->alienCargo->list();
            LIST_Foreach(cargo, alienCargo_t, item) {
                cgi->Com_Printf("......team: %s alive: %d dead: %d\n", item->teamDef->id, item->alive, item->dead);
            }
            cgi->LIST_Delete(&cargo);
        }
    }
}
#endif

static void AII_CollectAmmo (void* data, const Item* magazine)
{
    aircraft_t* aircraft = (aircraft_t*)data;
    if (aircraft == nullptr)
        return;
    if (aircraft->itemCargo == nullptr)
        aircraft->itemCargo = new ItemCargo();
    aircraft->itemCargo->add(magazine->ammoDef(), 0, magazine->getAmmoLeft());
}

void AII_CollectItem (aircraft_t* aircraft, const objDef_t* item, int amount)
{
    if (aircraft == nullptr)
        return;
    if (aircraft->itemCargo == nullptr)
        aircraft->itemCargo = new ItemCargo();
    aircraft->itemCargo->add(item, amount, 0);
}
 
static inline void AII_CollectItem_ (void* data, const objDef_t* item, int amount)
{
    AII_CollectItem((aircraft_t*)data, item, amount);
}

static void AII_CarriedItems (const Inventory* soldierInventory)
{
    Item* item;
    equipDef_t* ed = &ccs.eMission;
 
    const Container* cont = nullptr;
    while ((cont = soldierInventory->getNextCont(cont))) {
        /* Items on the ground are collected as ET_ITEM */
        for (item = cont->_invList; item; item = item->getNext()) {
            const objDef_t* itemType = item->def();
            technology_t* tech = RS_GetTechForItem(itemType);
            RS_MarkCollected(tech);
            if (item->def()->isVirtual)
                continue;
            ed->numItems[itemType->idx]++;
 
            if (!itemType->isReloadable() || item->getAmmoLeft() == 0)
                continue;
 
            ed->addClip(item);
            /* The guys keep their weapons (half-)loaded. Auto-reload
             * will happen at equip screen or at the start of next mission,
             * but fully loaded weapons will not be reloaded even then. */
        }
    }
}

void AII_CollectingItems (aircraft_t* aircraft, int won)
{
    if (aircraft->itemCargo == nullptr) {
        aircraft->itemCargo = new ItemCargo();
    }
    ItemCargo* previousCargo = new ItemCargo(*aircraft->itemCargo);
    aircraft->itemCargo->empty();
    cgi->CollectItems(aircraft, won, AII_CollectItem_, AII_CollectAmmo, AII_CarriedItems);
 
    linkedList_t* items = aircraft->itemCargo->list();
    LIST_Foreach(items, itemCargo_t, item) {
        aircraft->mission->missionResults.itemTypes++;
        aircraft->mission->missionResults.itemAmount += item->amount;
#ifdef DEBUG
        if (item->amount > 0)
            cgi->Com_DPrintf(DEBUG_CLIENT, "Collected item: %s amount: %i\n", item->objDef->id, item->amount);
#endif
    }
    cgi->LIST_Delete(&items);
 
    items = previousCargo->list();
    LIST_Foreach(items, itemCargo_t, item) {
        aircraft->itemCargo->add(item->objDef, item->amount, item->looseAmount);
    }
    cgi->LIST_Delete(&items);
    delete previousCargo;
}

const char* AIR_AircraftStatusToName (const aircraft_t* aircraft)
{
    assert(aircraft);
    assert(aircraft->homebase);
 
    /* display special status if base-attack affects aircraft */
    if (B_IsUnderAttack(aircraft->homebase) && AIR_IsAircraftInBase(aircraft))
        return _("ON RED ALERT");
 
    switch (aircraft->status) {
    case AIR_NONE:
        return _("Nothing - should not be displayed");
    case AIR_HOME:
        return va(_("at %s"), aircraft->homebase->name);
    case AIR_REFUEL:
        return _("refuelling");
    case AIR_IDLE:
        return _("idle");
    case AIR_TRANSIT:
        return _("in transit");
    case AIR_MISSION:
        return _("enroute to mission");
    case AIR_UFO:
        return _("pursuing a UFO");
    case AIR_DROP:
        return _("ready to drop soldiers");
    case AIR_INTERCEPT:
        return _("intercepting a UFO");
    case AIR_TRANSFER:
        return _("enroute to new home base");
    case AIR_RETURNING:
        return _("returning to base");
    case AIR_CRASHED:
        cgi->Com_Error(ERR_DROP, "AIR_CRASHED should not be visible anywhere");
    }
    return nullptr;
}

bool AIR_IsAircraftInBase (const aircraft_t* aircraft)
{
    if (aircraft->status == AIR_HOME || aircraft->status == AIR_REFUEL)
        return true;
    return false;
}

bool AIR_IsAircraftOnGeoscape (const aircraft_t* aircraft)
{
    switch (aircraft->status) {
    case AIR_IDLE:
    case AIR_TRANSIT:
    case AIR_MISSION:
    case AIR_UFO:
    case AIR_DROP:
    case AIR_INTERCEPT:
    case AIR_RETURNING:
        return true;
    case AIR_NONE:
    case AIR_REFUEL:
    case AIR_HOME:
    case AIR_TRANSFER:
    case AIR_CRASHED:
        return false;
    }
 
    cgi->Com_Error(ERR_FATAL, "Unknown aircraft status %i", aircraft->status);
}

int AIR_CountInBaseByTemplate (const base_t* base, const aircraft_t* aircraftTemplate)
{
    int count = 0;
 
    AIR_ForeachFromBase(aircraft, base) {
        if (aircraft->tpl == aircraftTemplate)
            count++;
    }
    return count;
}

int AIR_AircraftMenuStatsValues (const int value, const int stat)
{
    switch (stat) {
    case AIR_STATS_SPEED:
    case AIR_STATS_MAXSPEED:
        /* Convert into km/h, and round this value */
        return 10 * (int) (111.2 * value / 10.0f);
    case AIR_STATS_FUELSIZE:
        return value / 1000;
    default:
        return value;
    }
}

int AIR_GetOperationRange (const aircraft_t* aircraft)
{
    const int range = aircraft->stats[AIR_STATS_SPEED] * aircraft->stats[AIR_STATS_FUELSIZE];
    /* the 2.0f factor is for going to destination and then come back */
    return 100 * (int) (KILOMETER_PER_DEGREE * range / (2.0f * (float)DateTime::SECONDS_PER_HOUR * 100.0f));
}

int AIR_GetRemainingRange (const aircraft_t* aircraft)
{
    return aircraft->stats[AIR_STATS_SPEED] * aircraft->fuel;
}

bool AIR_AircraftHasEnoughFuel (const aircraft_t* aircraft, const vec2_t destination)
{
    const base_t* base;
    float distance;
 
    assert(aircraft);
    base = aircraft->homebase;
    assert(base);
 
    /* Calculate the line that the aircraft should follow to go to destination */
    distance = GetDistanceOnGlobe(aircraft->pos, destination);
 
    /* Calculate the line that the aircraft should then follow to go back home */
    distance += GetDistanceOnGlobe(destination, base->pos);
 
    /* Check if the aircraft has enough fuel to go to destination and then go back home */
    return (distance <= AIR_GetRemainingRange(aircraft) / (float)DateTime::SECONDS_PER_HOUR);
}

bool AIR_AircraftHasEnoughFuelOneWay (const aircraft_t* aircraft, const vec2_t destination)
{
    float distance;
 
    assert(aircraft);
 
    /* Calculate the line that the aircraft should follow to go to destination */
    distance = GetDistanceOnGlobe(aircraft->pos, destination);
 
    /* Check if the aircraft has enough fuel to go to destination */
    return (distance <= AIR_GetRemainingRange(aircraft) / (float)DateTime::SECONDS_PER_HOUR);
}

void AIR_AircraftReturnToBase (aircraft_t* aircraft)
{
    if (aircraft && AIR_IsAircraftOnGeoscape(aircraft)) {
        const base_t* base = aircraft->homebase;
        GEO_CalcLine(aircraft->pos, base->pos, &aircraft->route);
        aircraft->status = AIR_RETURNING;
        aircraft->time = 0;
        aircraft->point = 0;
        aircraft->mission = nullptr;
        aircraft->aircraftTarget = nullptr;
    }
}

aircraft_t* AIR_GetAircraftFromBaseByIDXSafe (const base_t* base, int index)
{
    int i;
 
    i = 0;
    AIR_ForeachFromBase(aircraft, base) {
        if (index == i)
            return aircraft;
        i++;
    }
 
    return nullptr;
}

const aircraft_t* AIR_GetAircraftSilent (const char* name)
{
    if (!name)
        return nullptr;
    for (int i = 0; i < ccs.numAircraftTemplates; i++) {
        const aircraft_t* aircraftTemplate = &ccs.aircraftTemplates[i];
        if (Q_streq(aircraftTemplate->id, name))
            return aircraftTemplate;
    }
    return nullptr;
}

const aircraft_t* AIR_GetAircraft (const char* name)
{
    const aircraft_t* aircraft = AIR_GetAircraftSilent(name);
    if (Q_strnull(name))
        cgi->Com_Error(ERR_DROP, "AIR_GetAircraft called with invalid name!");
    else if (aircraft == nullptr)
        cgi->Com_Error(ERR_DROP, "Aircraft '%s' not found", name);
 
    return aircraft;
}

static void AII_SetAircraftInSlots (aircraft_t* aircraft)
{
    /* initialise weapon slots */
    for (int i = 0; i < MAX_AIRCRAFTSLOT; i++) {
        aircraft->weapons[i].aircraft = aircraft;
        aircraft->electronics[i].aircraft = aircraft;
    }
    aircraft->shield.aircraft = aircraft;
}

aircraft_t* AIR_Add (base_t* base, const aircraft_t* aircraftTemplate)
{
    const baseCapacities_t capType = AIR_GetHangarCapacityType(aircraftTemplate);
    aircraft_t& aircraft = LIST_Add(&ccs.aircraft, *aircraftTemplate);
    aircraft.homebase = base;
    if (base && capType != MAX_CAP && aircraft.status != AIR_CRASHED)
        CAP_AddCurrent(base, capType, 1);
    return &aircraft;
}

bool AIR_Delete (base_t* base, aircraft_t* aircraft)
{
    const baseCapacities_t capType = AIR_GetHangarCapacityType(aircraft);
    const bool crashed = (aircraft->status == AIR_CRASHED);
 
    if (aircraft->alienCargo != nullptr) {
        delete aircraft->alienCargo;
        aircraft->alienCargo = nullptr;
    }
 
    if (cgi->LIST_Remove(&ccs.aircraft, (const void*)aircraft)) {
        if (base && capType != MAX_CAP && !crashed)
            CAP_AddCurrent(base, capType, -1);
        return true;
    }
    return false;
}

aircraft_t* AIR_NewAircraft (base_t* base, const aircraft_t* aircraftTemplate)
{
    /* copy generic aircraft description to individual aircraft in base
     * we do this because every aircraft can have its own parameters
     * now lets use the aircraft array for the base to set some parameters */
    aircraft_t* aircraft = AIR_Add(base, aircraftTemplate);
    aircraft->idx = ccs.campaignStats.aircraftHad++;    
    aircraft->homebase = base;
    /* Update the values of its stats */
    AII_UpdateAircraftStats(aircraft);
    /* initialise aircraft pointer in slots */
    AII_SetAircraftInSlots(aircraft);
    /* Set HP to maximum */
    aircraft->damage = aircraft->stats[AIR_STATS_DAMAGE];
    /* Set Default Name */
    Q_strncpyz(aircraft->name, _(aircraft->defaultName), lengthof(aircraft->name));
 
    /* set initial direction of the aircraft */
    VectorSet(aircraft->direction, 1, 0, 0);
 
    AIR_ResetAircraftTeam(aircraft);
 
    Com_sprintf(cp_messageBuffer, sizeof(cp_messageBuffer), _("A new %s is ready in %s"), _(aircraft->tpl->name), base->name);
    MS_AddNewMessage(_("Notice"), cp_messageBuffer);
    cgi->Com_DPrintf(DEBUG_CLIENT, "Setting aircraft to pos: %.0f:%.0f\n", base->pos[0], base->pos[1]);
    Vector2Copy(base->pos, aircraft->pos);
    RADAR_Initialise(&aircraft->radar, aircraftTemplate->radar.range, aircraftTemplate->radar.trackingRange, 1.0f, false);
    aircraft->radar.ufoDetectionProbability = aircraftTemplate->radar.ufoDetectionProbability;
 
    cgi->Com_DPrintf(DEBUG_CLIENT, "idx_sample: %i name: %s hangar: %s\n", aircraft->tpl->idx, aircraft->id, aircraft->building);
    cgi->Com_DPrintf(DEBUG_CLIENT, "Adding new aircraft %s with IDX %i for %s\n", aircraft->id, aircraft->idx, base->name);
    if (!base->aircraftCurrent)
        base->aircraftCurrent = aircraft;
 
    /* also update the base menu buttons */
    cgi->Cmd_ExecuteString("base_init %d", base->idx);
    return aircraft;
}

baseCapacities_t AIR_GetHangarCapacityType (const aircraft_t* aircraft)
{
    if (aircraft == nullptr)
        return MAX_CAP;
 
    building_t* building = B_GetBuildingTemplateSilent(aircraft->building);
    if (building == nullptr)
        return MAX_CAP;
 
    return B_GetCapacityFromBuildingType(building->buildingType);
}

static int AIR_GetStorageRoom (const aircraft_t* aircraft)
{
    int size = 0;
 
    LIST_Foreach(aircraft->acTeam, Employee, employee) {
        const Container* cont = nullptr;
        while ((cont = employee->chr.inv.getNextCont(cont, true))) {
            Item* item = nullptr;
            while ((item = cont->getNextItem(item))) {
                const objDef_t* obj = item->def();
                size += obj->size;
 
                obj = item->ammoDef();
                if (obj)
                    size += obj->size;
            }
        }
    }
 
    return size;
}

const char* AIR_CheckMoveIntoNewHomebase (const aircraft_t* aircraft, const base_t* base)
{
    const baseCapacities_t capacity = AIR_GetHangarCapacityType(aircraft);
 
    if (!B_GetBuildingStatus(base, B_GetBuildingTypeByCapacity(capacity)))
        return _("No operational hangars at that base.");
 
    /* not enough capacity */
    if (CAP_GetFreeCapacity(base, capacity) <= 0)
        return _("No free hangars at that base.");
 
    if (CAP_GetFreeCapacity(base, CAP_EMPLOYEES) < AIR_GetTeamSize(aircraft) + (AIR_GetPilot(aircraft) ? 1 : 0))
        return _("Insufficient free crew quarter space at that base.");
 
    if (aircraft->maxTeamSize && CAP_GetFreeCapacity(base, CAP_ITEMS) < AIR_GetStorageRoom(aircraft))
        return _("Insufficient storage space at that base.");
 
    /* check aircraft fuel, because the aircraft has to travel to the new base */
    if (!AIR_AircraftHasEnoughFuelOneWay(aircraft, base->pos))
        return _("That base is beyond this aircraft's range.");
 
    return nullptr;
}

static void AIR_TransferItemsCarriedByCharacterToBase (character_t* chr, base_t* sourceBase, base_t* destBase)
{
    const Container* cont = nullptr;
    while ((cont = chr->inv.getNextCont(cont, true))) {
        Item* item = nullptr;
        while ((item = cont->getNextItem(item))) {
            const objDef_t* obj = item->def();
            B_AddToStorage(sourceBase, obj, -1);
            B_AddToStorage(destBase, obj, 1);
 
            obj = item->ammoDef();
            if (obj) {
                B_AddToStorage(sourceBase, obj, -1);
                B_AddToStorage(destBase, obj, 1);
            }
        }
    }
}

void AIR_MoveAircraftIntoNewHomebase (aircraft_t* aircraft, base_t* base)
{
    base_t* oldBase;
 
    assert(aircraft);
    assert(base);
    assert(base != aircraft->homebase);
 
    cgi->Com_DPrintf(DEBUG_CLIENT, "AIR_MoveAircraftIntoNewHomebase: Change homebase of '%s' to '%s'\n", aircraft->id, base->name);
 
    oldBase = aircraft->homebase;
    assert(oldBase);
 
    /* Transfer employees */
    E_MoveIntoNewBase(AIR_GetPilot(aircraft), base);
 
    LIST_Foreach(aircraft->acTeam, Employee, employee) {
        E_MoveIntoNewBase(employee, base);
        /* Transfer items carried by soldiers from oldBase to base */
        AIR_TransferItemsCarriedByCharacterToBase(&employee->chr, oldBase, base);
    }
 
    /* Move aircraft to new base */
    const baseCapacities_t capacity = AIR_GetHangarCapacityType(aircraft);
    CAP_AddCurrent(oldBase, capacity, -1);
    aircraft->homebase = base;
    CAP_AddCurrent(base, capacity, 1);
 
    if (oldBase->aircraftCurrent == aircraft)
        oldBase->aircraftCurrent = AIR_GetFirstFromBase(oldBase);
    if (!base->aircraftCurrent)
        base->aircraftCurrent = aircraft;
 
    /* No need to update global IDX of every aircraft: the global IDX of this aircraft did not change */
    /* Redirect selectedAircraft */
    GEO_SelectAircraft(aircraft);
 
    if (aircraft->status == AIR_RETURNING) {
        /* redirect to the new base */
        AIR_AircraftReturnToBase(aircraft);
    }
}

void AIR_DeleteAircraft (aircraft_t* aircraft)
{
    /* Check if aircraft is on geoscape while it's not destroyed yet */
    const bool aircraftIsOnGeoscape = AIR_IsAircraftOnGeoscape(aircraft);
 
    assert(aircraft);
    base_t* base = aircraft->homebase;
    assert(base);
 
    GEO_NotifyAircraftRemoved(aircraft);
    TR_NotifyAircraftRemoved(aircraft);
 
    /* Remove pilot and all soldiers from the aircraft (the employees are still hired after this). */
    AIR_RemoveEmployees(*aircraft);
 
    /* base is nullptr here because we don't want to readd this to the inventory
     * If you want this in the inventory you really have to call these functions
     * before you are destroying a craft */
    for (int i = 0; i < MAX_AIRCRAFTSLOT; i++) {
        AII_RemoveItemFromSlot(nullptr, aircraft->weapons, false);
        AII_RemoveItemFromSlot(nullptr, aircraft->electronics, false);
    }
    AII_RemoveItemFromSlot(nullptr, &aircraft->shield, false);
 
    if (base->aircraftCurrent == aircraft)
        base->aircraftCurrent = nullptr;
 
    AIR_Delete(base, aircraft);
 
    if (!AIR_BaseHasAircraft(base)) {
        cgi->Cvar_Set("mn_aircraftinbase", "0");
        cgi->Cvar_Set("mn_aircraftname", "");
        cgi->Cvar_Set("mn_aircraft_model", "");
    } else if (base->aircraftCurrent == nullptr) {
        base->aircraftCurrent = AIR_GetFirstFromBase(base);
    }
 
    /* also update the base menu buttons */
    cgi->Cmd_ExecuteString("base_init %d", base->idx);
 
    /* Update Radar overlay */
    if (aircraftIsOnGeoscape)
        RADAR_UpdateWholeRadarOverlay();
}

void AIR_DestroyAircraft (aircraft_t* aircraft, bool killPilot)
{
    Employee* pilot;
 
    assert(aircraft);
 
    LIST_Foreach(aircraft->acTeam, Employee, employee) {
        E_RemoveInventoryFromStorage(employee);
        E_DeleteEmployee(employee);
    }
    /* the craft may no longer have any employees assigned */
    /* remove the pilot */
    pilot = AIR_GetPilot(aircraft);
    if (pilot) {
        if (killPilot) {
            if (E_DeleteEmployee(pilot))
                AIR_SetPilot(aircraft, nullptr);
            else
                cgi->Com_Error(ERR_DROP, "AIR_DestroyAircraft: Could not remove pilot from game: %s (ucn: %i)\n",
                        pilot->chr.name, pilot->chr.ucn);
        } else {
            AIR_SetPilot(aircraft, nullptr);
        }
    } else {
        if (aircraft->status != AIR_CRASHED)
            cgi->Com_Error(ERR_DROP, "AIR_DestroyAircraft: aircraft id %s had no pilot\n", aircraft->id);
    }
 
    AIR_DeleteAircraft(aircraft);
}

bool AIR_AircraftMakeMove (int dt, aircraft_t* aircraft)
{
    float dist;
 
    /* calc distance */
    aircraft->time += dt;
    aircraft->fuel -= dt;
 
    dist = (float) aircraft->stats[AIR_STATS_SPEED] * aircraft->time / (float)DateTime::SECONDS_PER_HOUR;
 
    /* Check if destination reached */
    if (dist >= aircraft->route.distance * (aircraft->route.numPoints - 1)) {
        return true;
    } else {
        /* calc new position */
        float frac = dist / aircraft->route.distance;
        const int p = (int) frac;
        frac -= p;
        aircraft->point = p;
        aircraft->pos[0] = (1 - frac) * aircraft->route.point[p][0] + frac * aircraft->route.point[p + 1][0];
        aircraft->pos[1] = (1 - frac) * aircraft->route.point[p][1] + frac * aircraft->route.point[p + 1][1];
 
        GEO_CheckPositionBoundaries(aircraft->pos);
    }
 
    dist = (float) aircraft->stats[AIR_STATS_SPEED] * (aircraft->time + dt) / (float)DateTime::SECONDS_PER_HOUR;
 
    /* Now calculate the projected position. This is the position that the aircraft should get on
     * next frame if its route didn't change in meantime. */
    if (dist >= aircraft->route.distance * (aircraft->route.numPoints - 1)) {
        VectorSet(aircraft->projectedPos, 0.0f, 0.0f, 0.0f);
    } else {
        /* calc new position */
        float frac = dist / aircraft->route.distance;
        const int p = (int) frac;
        frac -= p;
        aircraft->projectedPos[0] = (1 - frac) * aircraft->route.point[p][0] + frac * aircraft->route.point[p + 1][0];
        aircraft->projectedPos[1] = (1 - frac) * aircraft->route.point[p][1] + frac * aircraft->route.point[p + 1][1];
 
        GEO_CheckPositionBoundaries(aircraft->projectedPos);
    }
 
    return false;
}
 
static void AIR_Move (aircraft_t* aircraft, int deltaTime)
{
    /* Aircraft is moving */
    if (AIR_AircraftMakeMove(deltaTime, aircraft)) {
        /* aircraft reach its destination */
        const float* end = aircraft->route.point[aircraft->route.numPoints - 1];
        Vector2Copy(end, aircraft->pos);
        GEO_CheckPositionBoundaries(aircraft->pos);
 
        switch (aircraft->status) {
        case AIR_MISSION:
            /* Aircraft reached its mission */
            assert(aircraft->mission);
            aircraft->status = AIR_DROP;
            /* Fall thru */
        case AIR_DROP:
            aircraft->mission->active = true;
            GEO_SetMissionAircraft(aircraft);
            GEO_SelectMission(aircraft->mission);
            GEO_SetInterceptorAircraft(aircraft);
            CP_GameTimeStop();
            cgi->UI_PushWindow("popup_intercept_ready");
            cgi->UI_ExecuteConfunc("pop_intready_aircraft \"%s\" \"%s\"", aircraft->name,
                MIS_GetName(aircraft->mission));
            break;
        case AIR_RETURNING:
            /* aircraft entered in homebase */
            aircraft->status = AIR_REFUEL;
            B_AircraftReturnedToHomeBase(aircraft);
            Com_sprintf(cp_messageBuffer, lengthof(cp_messageBuffer),
                _("Craft %s has returned to %s."), aircraft->name, aircraft->homebase->name);
            MSO_CheckAddNewMessage(NT_AIRCRAFT_ARRIVEDHOME, _("Notice"), cp_messageBuffer);
            break;
        case AIR_TRANSFER:
        case AIR_UFO:
            break;
        default:
            aircraft->status = AIR_IDLE;
            break;
        }
    }
}
 
static void AIR_Refuel (aircraft_t* aircraft, int deltaTime)
{
    /* Aircraft is refuelling at base */
    int fillup;
 
    if (aircraft->fuel < 0)
        aircraft->fuel = 0;
    /* amount of fuel we would like to load */
    fillup = std::min(deltaTime * AIRCRAFT_REFUEL_FACTOR, aircraft->stats[AIR_STATS_FUELSIZE] - aircraft->fuel);
    /* This craft uses antimatter as fuel */
    assert(aircraft->homebase);
    if (aircraft->stats[AIR_STATS_ANTIMATTER] > 0 && fillup > 0) {
        /* the antimatter we have */
        const int amAvailable = B_ItemInBase(INVSH_GetItemByID(ANTIMATTER_ITEM_ID), aircraft->homebase);
        /* current antimatter level in craft */
        const int amCurrentLevel = aircraft->stats[AIR_STATS_ANTIMATTER] * (aircraft->fuel / (float) aircraft->stats[AIR_STATS_FUELSIZE]);
        /* next antimatter level in craft */
        const int amNextLevel = aircraft->stats[AIR_STATS_ANTIMATTER] * ((aircraft->fuel + fillup) / (float) aircraft->stats[AIR_STATS_FUELSIZE]);
        /* antimatter needed */
        int amLoad = amNextLevel - amCurrentLevel;
 
        if (amLoad > amAvailable) {
            /* amount of fuel we can load */
            fillup = aircraft->stats[AIR_STATS_FUELSIZE] * ((amCurrentLevel + amAvailable) / (float) aircraft->stats[AIR_STATS_ANTIMATTER]) - aircraft->fuel;
            amLoad = amAvailable;
 
            if (!aircraft->notifySent[AIR_CANNOT_REFUEL]) {
                Com_sprintf(cp_messageBuffer, lengthof(cp_messageBuffer),
                    _("Craft %s couldn't be completely refueled at %s. Not enough antimatter."), aircraft->name, aircraft->homebase->name);
                MSO_CheckAddNewMessage(NT_AIRCRAFT_CANNOTREFUEL, _("Notice"), cp_messageBuffer);
                aircraft->notifySent[AIR_CANNOT_REFUEL] = true;
            }
        }
 
        if (amLoad > 0)
            B_AddAntimatter(aircraft->homebase, -amLoad);
    }
 
    aircraft->fuel += fillup;
 
    if (aircraft->fuel >= aircraft->stats[AIR_STATS_FUELSIZE]) {
        aircraft->fuel = aircraft->stats[AIR_STATS_FUELSIZE];
        aircraft->status = AIR_HOME;
        Com_sprintf(cp_messageBuffer, lengthof(cp_messageBuffer),
            _("Craft %s has refueled at %s."), aircraft->name, aircraft->homebase->name);
        MSO_CheckAddNewMessage(NT_AIRCRAFT_REFUELED, _("Notice"), cp_messageBuffer);
        aircraft->notifySent[AIR_CANNOT_REFUEL] = false;
    }
 
}

void AIR_CampaignRun (const campaign_t* campaign, int dt, bool updateRadarOverlay)
{
    /* true if at least one aircraft moved: radar overlay must be updated
     * This is static because aircraft can move without radar being
     * updated (sa CP_CampaignRun) */
    static bool radarOverlayReset = false;
 
    /* Run each aircraft */
    AIR_Foreach(aircraft) {
        if (aircraft->status == AIR_CRASHED)
            continue;
 
        assert(aircraft->homebase);
        if (aircraft->status == AIR_IDLE) {
            /* Aircraft idle out of base */
            aircraft->fuel -= dt;
        } else if (AIR_IsAircraftOnGeoscape(aircraft)) {
            AIR_Move(aircraft, dt);
            /* radar overlay should be updated */
            radarOverlayReset = true;
        } else if (aircraft->status == AIR_REFUEL) {
            AIR_Refuel(aircraft, dt);
        }
 
        /* Check aircraft low fuel (only if aircraft is not already returning to base or in base) */
        if (aircraft->status != AIR_RETURNING && AIR_IsAircraftOnGeoscape(aircraft) &&
            !AIR_AircraftHasEnoughFuel(aircraft, aircraft->pos)) {
            MS_AddNewMessage(_("Notice"), va(_("Craft %s is low on fuel and must return to base."), aircraft->name));
            AIR_AircraftReturnToBase(aircraft);
        }
 
        /* Aircraft purchasing ufo */
        if (aircraft->status == AIR_UFO) {
            /* Solve the fight */
            AIRFIGHT_ExecuteActions(campaign, aircraft, aircraft->aircraftTarget);
        }
 
        for (int k = 0; k < aircraft->maxWeapons; k++) {
            aircraftSlot_t* slot = &aircraft->weapons[k];
            /* Update delay to launch next projectile */
            if (AIR_IsAircraftOnGeoscape(aircraft) && slot->delayNextShot > 0)
                slot->delayNextShot -= dt;
            /* Reload if needed */
            if (slot->ammoLeft <= 0)
                AII_ReloadWeapon(slot);
        }
    }
 
    if (updateRadarOverlay && radarOverlayReset && GEO_IsRadarOverlayActivated()) {
        RADAR_UpdateWholeRadarOverlay();
        radarOverlayReset = false;
    }
}

aircraft_t* AIR_AircraftGetFromIDX (int aircraftIdx)
{
    AIR_Foreach(aircraft) {
        if (aircraft->idx == aircraftIdx) {
            cgi->Com_DPrintf(DEBUG_CLIENT, "AIR_AircraftGetFromIDX: aircraft idx: %i\n",    aircraft->idx);
            return aircraft;
        }
    }
 
    return nullptr;
}

bool AIR_SendAircraftToMission (aircraft_t* aircraft, mission_t* mission)
{
    if (!aircraft || !mission)
        return false;
 
    if (AIR_GetTeamSize(aircraft) == 0) {
        CP_Popup(_("Notice"), _("Assign one or more soldiers to this aircraft first."));
        return false;
    }
 
    /* if aircraft was in base */
    if (AIR_IsAircraftInBase(aircraft)) {
        /* reload its ammunition */
        AII_ReloadAircraftWeapons(aircraft);
    }
 
    /* ensure interceptAircraft is set correctly */
    GEO_SetInterceptorAircraft(aircraft);
 
    /* if mission is a base-attack and aircraft already in base, launch
     * mission immediately */
    if (B_IsUnderAttack(aircraft->homebase) && AIR_IsAircraftInBase(aircraft)) {
        aircraft->mission = mission;
        mission->active = true;
        cgi->UI_PushWindow("popup_baseattack");
        return true;
    }
 
    if (!AIR_AircraftHasEnoughFuel(aircraft, mission->pos)) {
        MS_AddNewMessage(_("Notice"), _("Insufficient fuel."));
        return false;
    }
 
    GEO_CalcLine(aircraft->pos, mission->pos, &aircraft->route);
    aircraft->status = AIR_MISSION;
    aircraft->time = 0;
    aircraft->point = 0;
    aircraft->mission = mission;
 
    return true;
}

static void AII_InitialiseAircraftSlots (aircraft_t* aircraftTemplate)
{
    /* initialise weapon slots */
    for (int i = 0; i < MAX_AIRCRAFTSLOT; i++) {
        AII_InitialiseSlot(aircraftTemplate->weapons + i, aircraftTemplate, nullptr, nullptr, AC_ITEM_WEAPON);
        AII_InitialiseSlot(aircraftTemplate->electronics + i, aircraftTemplate, nullptr, nullptr, AC_ITEM_ELECTRONICS);
    }
    AII_InitialiseSlot(&aircraftTemplate->shield, aircraftTemplate, nullptr, nullptr, AC_ITEM_SHIELD);
}

static char const* const air_position_strings[] = {
    "nose_left",
    "nose_center",
    "nose_right",
    "wing_left",
    "wing_right",
    "rear_left",
    "rear_center",
    "rear_right"
};

static const value_t aircraft_param_vals[] = {
    {"speed", V_INT, offsetof(aircraft_t, stats[AIR_STATS_SPEED]), MEMBER_SIZEOF(aircraft_t, stats[0])},
    {"maxspeed", V_INT, offsetof(aircraft_t, stats[AIR_STATS_MAXSPEED]), MEMBER_SIZEOF(aircraft_t, stats[0])},
    {"shield", V_INT, offsetof(aircraft_t, stats[AIR_STATS_SHIELD]), MEMBER_SIZEOF(aircraft_t, stats[0])},
    {"ecm", V_INT, offsetof(aircraft_t, stats[AIR_STATS_ECM]), MEMBER_SIZEOF(aircraft_t, stats[0])},
    {"damage", V_INT, offsetof(aircraft_t, stats[AIR_STATS_DAMAGE]), MEMBER_SIZEOF(aircraft_t, stats[0])},
    {"accuracy", V_INT, offsetof(aircraft_t, stats[AIR_STATS_ACCURACY]), MEMBER_SIZEOF(aircraft_t, stats[0])},
    {"antimatter", V_INT, offsetof(aircraft_t, stats[AIR_STATS_ANTIMATTER]), MEMBER_SIZEOF(aircraft_t, stats[0])},
 
    {nullptr, V_NULL, 0, 0}
};

static const value_t aircraft_vals[] = {
    {"name", V_STRING, offsetof(aircraft_t, name), 0},
    {"defaultname", V_TRANSLATION_STRING, offsetof(aircraft_t, defaultName), 0},
    {"numteam", V_INT, offsetof(aircraft_t, maxTeamSize), MEMBER_SIZEOF(aircraft_t, maxTeamSize)},
    {"nogeoscape", V_BOOL, offsetof(aircraft_t, notOnGeoscape), MEMBER_SIZEOF(aircraft_t, notOnGeoscape)},
    {"interestlevel", V_INT, offsetof(aircraft_t, ufoInterestOnGeoscape), MEMBER_SIZEOF(aircraft_t, ufoInterestOnGeoscape)},
 
    {"leader", V_BOOL, offsetof(aircraft_t, leader), MEMBER_SIZEOF(aircraft_t, leader)},
    {"image", V_HUNK_STRING, offsetof(aircraft_t, image), 0},
    {"model", V_HUNK_STRING, offsetof(aircraft_t, model), 0},
    /* price for selling/buying */
    {"price", V_INT, offsetof(aircraft_t, price), MEMBER_SIZEOF(aircraft_t, price)},
    /* this is needed to let the buy and sell screen look for the needed building */
    /* to place the aircraft in */
    {"productioncost", V_INT, offsetof(aircraft_t, productionCost), MEMBER_SIZEOF(aircraft_t, productionCost)},
    {"building", V_HUNK_STRING, offsetof(aircraft_t, building), 0},
    {"missiontypes", V_LIST, offsetof(aircraft_t, missionTypes), 0},
 
    {nullptr, V_NULL, 0, 0}
};

static const value_t aircraft_radar_vals[] = {
    {"range", V_INT, offsetof(aircraft_t, radar.range), MEMBER_SIZEOF(aircraft_t, radar.range)},
    {"trackingrange", V_INT, offsetof(aircraft_t, radar.trackingRange), MEMBER_SIZEOF(aircraft_t, radar.trackingRange)},
    {"detectionprobability", V_FLOAT, offsetof(aircraft_t, radar.ufoDetectionProbability), MEMBER_SIZEOF(aircraft_t, radar.ufoDetectionProbability)},
 
    {nullptr, V_NULL, 0, 0}
};
 
const char* const air_slot_type_strings[] = AIR_SLOT_TYPE_STRINGS;
CASSERT(lengthof(air_slot_type_strings) == MAX_ACITEMS);

void AIR_ParseAircraft (const char* name, const char** text, bool assignAircraftItems)
{
    const char* errhead = "AIR_ParseAircraft: unexpected end of file (aircraft ";
    aircraft_t* aircraftTemplate;
    const char* token;
    int i;
    technology_t* tech;
    aircraftItemType_t itemType = MAX_ACITEMS;
 
    if (ccs.numAircraftTemplates >= MAX_AIRCRAFT) {
        cgi->Com_Printf("AIR_ParseAircraft: too many aircraft definitions; def \"%s\" ignored\n", name);
        return;
    }
 
    if (!assignAircraftItems) {
        const aircraft_t* aircraftTemplateCheck = AIR_GetAircraftSilent(name);
        if (aircraftTemplateCheck) {
            cgi->Com_Printf("AIR_ParseAircraft: Second aircraft with same name found (%s) - second ignored\n", name);
            return;
        }
 
        /* initialize the menu */
        aircraftTemplate = &ccs.aircraftTemplates[ccs.numAircraftTemplates];
        OBJZERO(*aircraftTemplate);
 
        cgi->Com_DPrintf(DEBUG_CLIENT, "...found aircraft %s\n", name);
        aircraftTemplate->tpl = aircraftTemplate;
        aircraftTemplate->id = cgi->PoolStrDup(name, cp_campaignPool, 0);
        aircraftTemplate->status = AIR_HOME;
        /* default is no ufo */
        aircraftTemplate->setUfoType(UFO_NONE);
        aircraftTemplate->maxWeapons = 0;
        aircraftTemplate->maxElectronics = 0;
        AII_InitialiseAircraftSlots(aircraftTemplate);
        /* Initialise UFO sensored */
        RADAR_InitialiseUFOs(&aircraftTemplate->radar);
        /* Default detection probability remains 100% for now */
        aircraftTemplate->radar.ufoDetectionProbability = 1.0f;
 
        ccs.numAircraftTemplates++;
    } else {
        aircraftTemplate = nullptr;
        for (i = 0; i < ccs.numAircraftTemplates; i++) {
            aircraft_t* aircraft = &ccs.aircraftTemplates[i];
            if (Q_streq(aircraft->id, name)) {
                aircraftTemplate = aircraft;
                break;
            }
        }
        if (!aircraftTemplate)
            Sys_Error("Could not find aircraft '%s'", name);
    }
 
    /* get it's body */
    token = Com_Parse(text);
 
    if (!*text || *token != '{') {
        cgi->Com_Printf("AIR_ParseAircraft: aircraft def \"%s\" without body ignored\n", name);
        return;
    }
 
    do {
        token = cgi->Com_EParse(text, errhead, name);
        if (!*text)
            break;
        if (*token == '}')
            break;
 
        if (Q_streq(token, "name")) {
            token = cgi->Com_EParse(text, errhead, name);
            if (!*text)
                return;
            if (token[0] == '_')
                token++;
            Q_strncpyz(aircraftTemplate->name, token, sizeof(aircraftTemplate->name));
            continue;
        } else if (Q_streq(token, "radar")) {
            token = cgi->Com_EParse(text, errhead, name);
            if (!*text || *token != '{') {
                cgi->Com_Printf("AIR_ParseAircraft: Invalid radar value for aircraft: %s\n", name);
                return;
            }
            do {
                token = cgi->Com_EParse(text, errhead, name);
                if (!*text)
                    break;
                if (*token == '}')
                    break;
 
                if (!cgi->Com_ParseBlockToken(name, text, aircraftTemplate, aircraft_radar_vals, cp_campaignPool, token))
                    cgi->Com_Printf("AIR_ParseAircraft: Ignoring unknown radar value '%s'\n", token);
            } while (*text); /* dummy condition */
            continue;
        }
        if (assignAircraftItems) {
            /* write into cp_campaignPool - this data is reparsed on every new game */
            /* blocks like param { [..] } - otherwise we would leave the loop too early */
            if (*token == '{') {
                Com_SkipBlock(text);
            } else if (Q_streq(token, "shield")) {
                token = cgi->Com_EParse(text, errhead, name);
                if (!*text)
                    return;
                cgi->Com_DPrintf(DEBUG_CLIENT, "use shield %s for aircraft %s\n", token, aircraftTemplate->id);
                tech = RS_GetTechByID(token);
                if (tech)
                    aircraftTemplate->shield.item = INVSH_GetItemByID(tech->provides);
            } else if (Q_streq(token, "slot")) {
                token = cgi->Com_EParse(text, errhead, name);
                if (!*text || *token != '{') {
                    cgi->Com_Printf("AIR_ParseAircraft: Invalid slot value for aircraft: %s\n", name);
                    return;
                }
                do {
                    token = cgi->Com_EParse(text, errhead, name);
                    if (!*text)
                        break;
                    if (*token == '}')
                        break;
 
                    if (Q_streq(token, "type")) {
                        token = cgi->Com_EParse(text, errhead, name);
                        if (!*text)
                            return;
                        for (i = 0; i < MAX_ACITEMS; i++) {
                            if (Q_streq(token, air_slot_type_strings[i])) {
                                itemType = (aircraftItemType_t)i;
                                switch (itemType) {
                                case AC_ITEM_WEAPON:
                                    aircraftTemplate->maxWeapons++;
                                    break;
                                case AC_ITEM_ELECTRONICS:
                                    aircraftTemplate->maxElectronics++;
                                    break;
                                default:
                                    itemType = MAX_ACITEMS;
                                    break;
                                }
                                break;
                            }
                        }
                        if (i == MAX_ACITEMS)
                            cgi->Com_Error(ERR_DROP, "Unknown value '%s' for slot type\n", token);
                    } else if (Q_streq(token, "position")) {
                        token = cgi->Com_EParse(text, errhead, name);
                        if (!*text)
                            return;
                        for (i = 0; i < AIR_POSITIONS_MAX; i++) {
                            if (Q_streq(token, air_position_strings[i])) {
                                switch (itemType) {
                                case AC_ITEM_WEAPON:
                                    aircraftTemplate->weapons[aircraftTemplate->maxWeapons - 1].pos = (itemPos_t)i;
                                    break;
                                case AC_ITEM_ELECTRONICS:
                                    aircraftTemplate->electronics[aircraftTemplate->maxElectronics - 1].pos = (itemPos_t)i;
                                    break;
                                default:
                                    i = AIR_POSITIONS_MAX;
                                    break;
                                }
                                break;
                            }
                        }
                        if (i == AIR_POSITIONS_MAX)
                            cgi->Com_Error(ERR_DROP, "Unknown value '%s' for slot position\n", token);
                    } else if (Q_streq(token, "contains")) {
                        token = cgi->Com_EParse(text, errhead, name);
                        if (!*text)
                            return;
                        tech = RS_GetTechByID(token);
                        if (tech) {
                            switch (itemType) {
                            case AC_ITEM_WEAPON:
                                aircraftTemplate->weapons[aircraftTemplate->maxWeapons - 1].item = INVSH_GetItemByID(tech->provides);
                                cgi->Com_DPrintf(DEBUG_CLIENT, "use weapon %s for aircraft %s\n", token, aircraftTemplate->id);
                                break;
                            case AC_ITEM_ELECTRONICS:
                                aircraftTemplate->electronics[aircraftTemplate->maxElectronics - 1].item = INVSH_GetItemByID(tech->provides);
                                cgi->Com_DPrintf(DEBUG_CLIENT, "use electronics %s for aircraft %s\n", token, aircraftTemplate->id);
                                break;
                            default:
                                cgi->Com_Printf("Ignoring item value '%s' due to unknown slot type\n", token);
                                break;
                            }
                        }
                    } else if (Q_streq(token, "ammo")) {
                        token = cgi->Com_EParse(text, errhead, name);
                        if (!*text)
                            return;
                        tech = RS_GetTechByID(token);
                        if (tech) {
                            if (itemType == AC_ITEM_WEAPON) {
                                aircraftTemplate->weapons[aircraftTemplate->maxWeapons - 1].ammo = INVSH_GetItemByID(tech->provides);
                                cgi->Com_DPrintf(DEBUG_CLIENT, "use ammo %s for aircraft %s\n", token, aircraftTemplate->id);
                            } else
                                cgi->Com_Printf("Ignoring ammo value '%s' due to unknown slot type\n", token);
                        }
                    } else if (Q_streq(token, "size")) {
                        token = cgi->Com_EParse(text, errhead, name);
                        if (!*text)
                            return;
                        if (itemType == AC_ITEM_WEAPON) {
                            if (Q_streq(token, "light"))
                                aircraftTemplate->weapons[aircraftTemplate->maxWeapons - 1].size = ITEM_LIGHT;
                            else if (Q_streq(token, "medium"))
                                aircraftTemplate->weapons[aircraftTemplate->maxWeapons - 1].size = ITEM_MEDIUM;
                            else if (Q_streq(token, "heavy"))
                                aircraftTemplate->weapons[aircraftTemplate->maxWeapons - 1].size = ITEM_HEAVY;
                            else
                                cgi->Com_Printf("Unknown size value for aircraft slot: '%s'\n", token);
                        } else
                            cgi->Com_Printf("Ignoring size parameter '%s' for non-weapon aircraft slots\n", token);
                    } else
                        cgi->Com_Printf("AIR_ParseAircraft: Ignoring unknown slot value '%s'\n", token);
                } while (*text); /* dummy condition */
            }
        } else {
            if (Q_streq(token, "shield")) {
                cgi->Com_EParse(text, errhead, name);
                continue;
            }
            /* check for some standard values */
            if (cgi->Com_ParseBlockToken(name, text, aircraftTemplate, aircraft_vals, cp_campaignPool, token))
                continue;
 
            if (Q_streq(token, "slot")) {
                token = cgi->Com_EParse(text, errhead, name);
                if (!*text || *token != '{') {
                    cgi->Com_Printf("AIR_ParseAircraft: Invalid slot value for aircraft: %s\n", name);
                    return;
                }
                Com_SkipBlock(text);
            } else if (Q_streq(token, "param")) {
                token = cgi->Com_EParse(text, errhead, name);
                if (!*text || *token != '{') {
                    cgi->Com_Printf("AIR_ParseAircraft: Invalid param value for aircraft: %s\n", name);
                    return;
                }
                do {
                    token = cgi->Com_EParse(text, errhead, name);
                    if (!*text)
                        break;
                    if (*token == '}')
                        break;
 
                    if (Q_streq(token, "range")) {
                        /* this is the range of aircraft, must be translated into fuel */
                        token = cgi->Com_EParse(text, errhead, name);
                        if (!*text)
                            return;
                        cgi->Com_EParseValue(aircraftTemplate, token, V_INT, offsetof(aircraft_t, stats[AIR_STATS_FUELSIZE]), MEMBER_SIZEOF(aircraft_t, stats[0]));
                        if (aircraftTemplate->stats[AIR_STATS_SPEED] == 0)
                            cgi->Com_Error(ERR_DROP, "AIR_ParseAircraft: speed value must be entered before range value");
                        aircraftTemplate->stats[AIR_STATS_FUELSIZE] = (int) (2.0f * (float)DateTime::SECONDS_PER_HOUR * aircraftTemplate->stats[AIR_STATS_FUELSIZE]) /
                            ((float) aircraftTemplate->stats[AIR_STATS_SPEED]);
                    } else {
                        if (!cgi->Com_ParseBlockToken(name, text, aircraftTemplate, aircraft_param_vals, cp_campaignPool, token))
                            cgi->Com_Printf("AIR_ParseAircraft: Ignoring unknown param value '%s'\n", token);
                    }
                } while (*text); /* dummy condition */
            } else {
                cgi->Com_Printf("AIR_ParseAircraft: unknown token \"%s\" ignored (aircraft %s)\n", token, name);
                cgi->Com_EParse(text, errhead, name);
            }
        } /* assignAircraftItems */
    } while (*text);
 
    if (aircraftTemplate->building == nullptr)
        aircraftTemplate->setUfoType(cgi->Com_UFOShortNameToID(aircraftTemplate->id));
 
    if (aircraftTemplate->productionCost == 0)
        aircraftTemplate->productionCost = aircraftTemplate->price;
}
 
#ifdef DEBUG
static void AIR_ListCraftIndexes_f (void)
{
    cgi->Com_Printf("globalIDX\t(Craftname)\n");
    AIR_Foreach(aircraft) {
        cgi->Com_Printf("%i\t(%s)\n", aircraft->idx, aircraft->name);
    }
}

static void AIR_ListAircraftSamples_f (void)
{
    int i = 0, max = ccs.numAircraftTemplates;
    const value_t* vp;
 
    cgi->Com_Printf("%i aircraft\n", max);
    if (cgi->Cmd_Argc() == 2) {
        max = atoi(cgi->Cmd_Argv(1));
        if (max >= ccs.numAircraftTemplates || max < 0)
            return;
        i = max - 1;
    }
    for (; i < max; i++) {
        aircraft_t* aircraftTemplate = &ccs.aircraftTemplates[i];
        cgi->Com_Printf("aircraft: '%s'\n", aircraftTemplate->id);
        for (vp = aircraft_vals; vp->string; vp++) {
            cgi->Com_Printf("..%s: %s\n", vp->string, cgi->Com_ValueToStr(aircraftTemplate, vp->type, vp->ofs));
        }
        for (vp = aircraft_param_vals; vp->string; vp++) {
            cgi->Com_Printf("..%s: %s\n", vp->string, cgi->Com_ValueToStr(aircraftTemplate, vp->type, vp->ofs));
        }
    }
}
#endif
 
/*===============================================
Aircraft functions related to UFOs or missions.
===============================================*/

void AIR_AircraftsNotifyMissionRemoved (const mission_t* const mission)
{
    AIR_Foreach(aircraft) {
        if (aircraft->mission == mission)
            AIR_AircraftReturnToBase(aircraft);
    }
}

void AIR_AircraftsNotifyUFORemoved (const aircraft_t* const ufo, bool destroyed)
{
    base_t* base;
 
    assert(ufo);
 
    /* Aircraft currently purchasing the specified ufo will be redirect to base */
    AIR_Foreach(aircraft) {
        if (ufo == aircraft->aircraftTarget) {
            AIR_AircraftReturnToBase(aircraft);
        } else if (destroyed && (ufo < aircraft->aircraftTarget)) {
            aircraft->aircraftTarget--;
        }
    }

    base = nullptr;
    while ((base = B_GetNext(base)) != nullptr) {
        int i;
        /* Base currently targeting the specified ufo loose their target */
        for (i = 0; i < base->numBatteries; i++) {
            baseWeapon_t* baseWeapon = &base->batteries[i];
            if (baseWeapon->target == ufo)
                baseWeapon->target = nullptr;
            else if (destroyed && (baseWeapon->target > ufo))
                baseWeapon->target--;
        }
        for (i = 0; i < base->numLasers; i++) {
            baseWeapon_t* baseWeapon = &base->lasers[i];
            if (baseWeapon->target == ufo)
                baseWeapon->target = nullptr;
            else if (destroyed && (baseWeapon->target > ufo))
                baseWeapon->target--;
        }
    }
}

void AIR_AircraftsUFODisappear (const aircraft_t* const ufo)
{
    AIR_Foreach(aircraft) {
        if (aircraft->status == AIR_UFO && ufo == aircraft->aircraftTarget)
            AIR_AircraftReturnToBase(aircraft);
    }
}

static inline float AIR_GetDestinationFunction (const float c, const float B, const float speedRatio, float a)
{
    return pow(cos(a) - cos(speedRatio * a) * cos(c), 2.0f)
        - sin(c) * sin(c) * (sin(speedRatio * a) * sin(speedRatio * a) - sin(a) * sin(a) * sin(B) * sin(B));
}

static inline float AIR_GetDestinationDerivativeFunction (const float c, const float B, const float speedRatio, float a)
{
    return 2. * (cos(a) - cos(speedRatio * a) * cos(c)) * (- sin(a) + speedRatio * sin(speedRatio * a) * cos(c))
        - sin(c) * sin(c) * (speedRatio * sin(2. * speedRatio * a) - sin(2. * a) * sin(B) * sin(B));
}

static float AIR_GetDestinationFindRoot (const float c, const float B, const float speedRatio, float start)
{
    const float BIG_STEP = 0.05f;               
    const float PRECISION_ROOT = 0.000001f;     
    const float MAXIMUM_VALUE_ROOT = 2.0f * M_PI;   
    float epsilon;                          
    float begin, end, middle;               
    float fBegin, fEnd, fMiddle;            
    float fdBegin, fdEnd, fdMiddle;         
 
    /* there may be several solution, first try to find roughly the smallest one */
    end = start + PRECISION_ROOT / 10.0f;       /* don't start at 0: derivative is 0 */
    fEnd = AIR_GetDestinationFunction(c, B, speedRatio, end);
    fdEnd = AIR_GetDestinationDerivativeFunction(c, B, speedRatio, end);
 
    do {
        begin = end;
        fBegin = fEnd;
        fdBegin = fdEnd;
        end = begin + BIG_STEP;
        if (end > MAXIMUM_VALUE_ROOT) {
            end = MAXIMUM_VALUE_ROOT;
            fEnd = AIR_GetDestinationFunction(c, B, speedRatio, end);
            break;
        }
        fEnd = AIR_GetDestinationFunction(c, B, speedRatio, end);
        fdEnd = AIR_GetDestinationDerivativeFunction(c, B, speedRatio, end);
    } while  (fBegin * fEnd > 0 && fdBegin * fdEnd > 0);
 
    if (fBegin * fEnd > 0) {
        if (fdBegin * fdEnd < 0) {
            /* the sign of derivative changed: we could have a root somewhere
             * between begin and end: try to narrow down the root until fBegin * fEnd < 0 */
            middle = (begin + end) / 2.;
            fMiddle = AIR_GetDestinationFunction(c, B, speedRatio, middle);
            fdMiddle = AIR_GetDestinationDerivativeFunction(c, B, speedRatio, middle);
            do {
                if (fdEnd * fdMiddle < 0) {
                    /* root is bigger than middle */
                    begin = middle;
                    fBegin = fMiddle;
                    fdBegin = fdMiddle;
                } else if (fdBegin * fdMiddle < 0) {
                    /* root is smaller than middle */
                    end = middle;
                    fEnd = fMiddle;
                    fdEnd = fdMiddle;
                } else {
                    cgi->Com_Error(ERR_DROP, "AIR_GetDestinationFindRoot: Error in calculation, can't find root");
                }
                middle = (begin + end) / 2.;
                fMiddle = AIR_GetDestinationFunction(c, B, speedRatio, middle);
                fdMiddle = AIR_GetDestinationDerivativeFunction(c, B, speedRatio, middle);
 
                epsilon = end - middle ;
 
                if (epsilon < PRECISION_ROOT) {
                    /* this is only a root of the derivative: no root of the function itself
                     * proceed with next value */
                    return AIR_GetDestinationFindRoot(c, B, speedRatio, end);
                }
            } while  (fBegin * fEnd > 0);
        } else {
            /* there's no solution, return default value */
            cgi->Com_DPrintf(DEBUG_CLIENT, "AIR_GetDestinationFindRoot: Did not find solution is range %.2f, %.2f\n", start, MAXIMUM_VALUE_ROOT);
            return -10.;
        }
    }
 
    /* now use dichotomy to get more precision on the solution */
 
    middle = (begin + end) / 2.;
    fMiddle = AIR_GetDestinationFunction(c, B, speedRatio, middle);
 
    do {
        if (fEnd * fMiddle < 0) {
            /* root is bigger than middle */
            begin = middle;
            fBegin = fMiddle;
        } else if (fBegin * fMiddle < 0) {
            /* root is smaller than middle */
            end = middle;
            fEnd = fMiddle;
        } else {
            cgi->Com_DPrintf(DEBUG_CLIENT, "AIR_GetDestinationFindRoot: Error in calculation, one of the value is nan\n");
            return -10.;
        }
        middle = (begin + end) / 2.;
        fMiddle = AIR_GetDestinationFunction(c, B, speedRatio, middle);
 
        epsilon = end - middle ;
    } while (epsilon > PRECISION_ROOT);
    return middle;
}

void AIR_GetDestinationWhilePursuing (const aircraft_t* shooter, const aircraft_t* target, vec2_t dest)
{
    vec3_t shooterPos, targetPos, targetDestPos, shooterDestPos, rotationAxis;
    vec3_t tangentVectTS, tangentVectTD;
    float a, b, c, B;
 
    const float speedRatio = (float)(shooter->stats[AIR_STATS_SPEED]) / target->stats[AIR_STATS_SPEED];
 
    c = GetDistanceOnGlobe(shooter->pos, target->pos) * torad;
 
    /* Convert aircraft position into cartesian frame */
    PolarToVec(shooter->pos, shooterPos);
    PolarToVec(target->pos, targetPos);
    PolarToVec(target->route.point[target->route.numPoints - 1], targetDestPos);

 
    /* Get first vector (tangent to triangle in T, in the direction of D) */
    CrossProduct(targetPos, shooterPos, rotationAxis);
    VectorNormalize(rotationAxis);
    RotatePointAroundVector(tangentVectTS, rotationAxis, targetPos, 90.0f);
    /* Get second vector (tangent to triangle in T, in the direction of S) */
    CrossProduct(targetPos, targetDestPos, rotationAxis);
    VectorNormalize(rotationAxis);
    RotatePointAroundVector(tangentVectTD, rotationAxis, targetPos, 90.0f);
 
    /* Get angle B of the triangle (in radian) */
    B = acos(DotProduct(tangentVectTS, tangentVectTD));
 
    /* Look for a value, as long as we don't have a proper value */
    for (a = 0;;) {
        a = AIR_GetDestinationFindRoot(c, B, speedRatio, a);
 
        if (a < 0.) {
            /* we couldn't find a root on the whole range */
            break;
        }
 
        /* Get rotation vector */
        CrossProduct(targetPos, targetDestPos, rotationAxis);
        VectorNormalize(rotationAxis);
 
        /* Rotate target position of dist to find destination point */
        RotatePointAroundVector(shooterDestPos, rotationAxis, targetPos, a * todeg);
        VecToPolar(shooterDestPos, dest);
 
        b = GetDistanceOnGlobe(shooter->pos, dest) * torad;
 
        if (fabs(b - speedRatio * a) < .1)
            break;
 
        cgi->Com_DPrintf(DEBUG_CLIENT, "AIR_GetDestinationWhilePursuing: reject solution: doesn't fit %.2f == %.2f\n", b, speedRatio * a);
    }
 
    if (a < 0.) {
        /* did not find solution, go directly to target direction */
        Vector2Copy(target->pos, dest);
        return;
    }

    /* make sure we don't get a NAN value */
    assert(dest[0] <= 180.0f && dest[0] >= -180.0f && dest[1] <= 90.0f && dest[1] >= -90.0f);
}

bool AIR_SendAircraftPursuingUFO (aircraft_t* aircraft, aircraft_t* ufo)
{
    vec2_t dest;
 
    if (!aircraft)
        return false;
 
    /* if aircraft was in base */
    if (AIR_IsAircraftInBase(aircraft)) {
        /* reload its ammunition */
        AII_ReloadAircraftWeapons(aircraft);
    }
 
    AIR_GetDestinationWhilePursuing(aircraft, ufo, dest);
    /* check if aircraft has enough fuel */
    if (!AIR_AircraftHasEnoughFuel(aircraft, dest)) {
        /* did not find solution, go directly to target direction if enough fuel */
        if (AIR_AircraftHasEnoughFuel(aircraft, ufo->pos)) {
            cgi->Com_DPrintf(DEBUG_CLIENT, "AIR_SendAircraftPursuingUFO: not enough fuel to anticipate target movement: go directly to target position\n");
            Vector2Copy(ufo->pos, dest);
        } else {
            MS_AddNewMessage(_("Notice"), va(_("Craft %s has not enough fuel to intercept UFO: fly back to %s."), aircraft->name, aircraft->homebase->name));
            AIR_AircraftReturnToBase(aircraft);
            return false;
        }
    }
 
    GEO_CalcLine(aircraft->pos, dest, &aircraft->route);
    aircraft->status = AIR_UFO;
    aircraft->time = 0;
    aircraft->point = 0;
    aircraft->aircraftTarget = ufo;
    return true;
}
 
/*============================================
Aircraft functions related to team handling.
============================================*/

void AIR_ResetAircraftTeam (aircraft_t* aircraft)
{
    cgi->LIST_Delete(&aircraft->acTeam);
}

bool AIR_AddToAircraftTeam (aircraft_t* aircraft, Employee* employee)
{
    if (!employee)
        return false;
 
    if (!aircraft)
        return false;
 
    if (AIR_GetTeamSize(aircraft) < aircraft->maxTeamSize) {
        cgi->LIST_AddPointer(&aircraft->acTeam, employee);
        return true;
    }
 
    return false;
}

bool AIR_IsInAircraftTeam (const aircraft_t* aircraft, const Employee* employee)
{
    assert(aircraft);
    assert(employee);
    return cgi->LIST_GetPointer(aircraft->acTeam, employee) != nullptr;
}

int AIR_GetTeamSize (const aircraft_t* aircraft)
{
    assert(aircraft);
    return cgi->LIST_Count(aircraft->acTeam);
}

bool AIR_SetPilot (aircraft_t* aircraft, Employee* pilot)
{
    if (aircraft->pilot == nullptr || pilot == nullptr) {
        aircraft->pilot = pilot;
        return true;
    }
 
    return false;
}

Employee* AIR_GetPilot (const aircraft_t* aircraft)
{
    const Employee* e = aircraft->pilot;
 
    if (!e)
        return nullptr;
 
    return E_GetEmployeeByTypeFromChrUCN(e->getType(), e->chr.ucn);
}

bool AIR_PilotSurvivedCrash (const aircraft_t* aircraft)
{
    if (aircraft == nullptr)
        return false;
 
    if (aircraft->pilot == nullptr)
        return false;
 
    const int pilotSkill = aircraft->pilot->chr.score.skills[SKILL_PILOTING];
    float baseProbability = (float) pilotSkill;
 
    const byte* color = GEO_GetColor(aircraft->pos, MAPTYPE_TERRAIN, nullptr);
 
    baseProbability *= cgi->csi->terrainDefs.getSurvivalChance(color);
 
    /* Add a random factor to our probability */
    float randomProbability = crand() * (float) pilotSkill;
    if (randomProbability > 0.25f * baseProbability) {
        while (randomProbability > 0.25f * baseProbability)
            randomProbability /= 2.0f;
    }
 
    const float survivalProbability = baseProbability + randomProbability;
    return survivalProbability >= (float) pilotSkill;
}

void AIR_AutoAddPilotToAircraft (const base_t* base, Employee* pilot)
{
    AIR_ForeachFromBase(aircraft, base) {
        if (AIR_SetPilot(aircraft, pilot))
            break;
    }
}

void AIR_RemovePilotFromAssignedAircraft (const base_t* base, const Employee* pilot)
{
    AIR_ForeachFromBase(aircraft, base) {
        if (AIR_GetPilot(aircraft) == pilot) {
            AIR_SetPilot(aircraft, nullptr);
            break;
        }
    }
}

int AIR_GetAircraftWeaponRanges (const aircraftSlot_t* slot, int maxSlot, float* weaponRanges)
{
    int idxSlot;
    float allWeaponRanges[MAX_AIRCRAFTSLOT];
    int numAllWeaponRanges = 0;
    int numUniqueWeaponRanges = 0;
 
    assert(slot);
 
    /* We choose the usable weapon to add to the weapons array */
    for (idxSlot = 0; idxSlot < maxSlot; idxSlot++) {
        const aircraftSlot_t* weapon = slot + idxSlot;
        const objDef_t* ammo = weapon->ammo;
 
        if (!ammo)
            continue;
 
        allWeaponRanges[numAllWeaponRanges] = ammo->craftitem.stats[AIR_STATS_WRANGE];
        numAllWeaponRanges++;
    }
 
    if (numAllWeaponRanges > 0) {
        /* sort the list of all weapon ranges and create an array with only the unique ranges */
        qsort(allWeaponRanges, numAllWeaponRanges, sizeof(allWeaponRanges[0]), Q_FloatSort);
 
        int idxAllWeap;
        for (idxAllWeap = 0; idxAllWeap < numAllWeaponRanges; idxAllWeap++) {
            if (allWeaponRanges[idxAllWeap] != weaponRanges[numUniqueWeaponRanges - 1] || idxAllWeap == 0) {
                weaponRanges[numUniqueWeaponRanges] = allWeaponRanges[idxAllWeap];
                numUniqueWeaponRanges++;
            }
        }
    }
 
    return numUniqueWeaponRanges;
}

static void AIR_SaveRouteXML (xmlNode_t* node, const mapline_t* route)
{
    xmlNode_t* subnode = cgi->XML_AddNode(node, SAVE_AIRCRAFT_ROUTE);
    cgi->XML_AddFloatValue(subnode, SAVE_AIRCRAFT_ROUTE_DISTANCE, route->distance);
    for (int j = 0; j < route->numPoints; j++) {
        cgi->XML_AddPos2(subnode, SAVE_AIRCRAFT_ROUTE_POINT, route->point[j]);
    }
}

static void AIR_SaveAircraftSlotsXML (const aircraftSlot_t* slot, const int num, xmlNode_t* p, bool weapon)
{
    for (int i = 0; i < num; i++) {
        xmlNode_t* sub = cgi->XML_AddNode(p, SAVE_AIRCRAFT_SLOT);
        AII_SaveOneSlotXML(sub, &slot[i], weapon);
    }
}

static bool AIR_SaveAircraftXML (xmlNode_t* p, const aircraft_t* const aircraft, bool const isUfo)
{
    xmlNode_t* node;
    xmlNode_t* subnode;
    const Employee* pilot;
 
    cgi->Com_RegisterConstList(saveAircraftConstants);
 
    node = cgi->XML_AddNode(p, SAVE_AIRCRAFT_AIRCRAFT);
 
    cgi->XML_AddInt(node, SAVE_AIRCRAFT_IDX, aircraft->idx);
    cgi->XML_AddString(node, SAVE_AIRCRAFT_ID, aircraft->id);
    cgi->XML_AddString(node, SAVE_AIRCRAFT_NAME, aircraft->name);
 
    cgi->XML_AddString(node, SAVE_AIRCRAFT_STATUS, cgi->Com_GetConstVariable(SAVE_AIRCRAFTSTATUS_NAMESPACE, aircraft->status));
    cgi->XML_AddInt(node, SAVE_AIRCRAFT_FUEL, aircraft->fuel);
    cgi->XML_AddInt(node, SAVE_AIRCRAFT_DAMAGE, aircraft->damage);
    cgi->XML_AddPos3(node, SAVE_AIRCRAFT_POS, aircraft->pos);
    cgi->XML_AddPos3(node, SAVE_AIRCRAFT_DIRECTION, aircraft->direction);
    cgi->XML_AddInt(node, SAVE_AIRCRAFT_POINT, aircraft->point);
    cgi->XML_AddInt(node, SAVE_AIRCRAFT_TIME, aircraft->time);
 
    subnode = cgi->XML_AddNode(node, SAVE_AIRCRAFT_WEAPONS);
    AIR_SaveAircraftSlotsXML(aircraft->weapons, aircraft->maxWeapons, subnode, true);
    subnode = cgi->XML_AddNode(node, SAVE_AIRCRAFT_SHIELDS);
    AIR_SaveAircraftSlotsXML(&aircraft->shield, 1, subnode, false);
    subnode = cgi->XML_AddNode(node, SAVE_AIRCRAFT_ELECTRONICS);
    AIR_SaveAircraftSlotsXML(aircraft->electronics, aircraft->maxElectronics, subnode, false);
 
    AIR_SaveRouteXML(node, &aircraft->route);
 
    if (isUfo) {
#ifdef DEBUG
        if (!aircraft->mission)
            cgi->Com_Printf("Error: UFO '%s'is not linked to any mission\n", aircraft->id);
#endif
        cgi->XML_AddString(node, SAVE_AIRCRAFT_MISSIONID, aircraft->mission->id);
        cgi->XML_AddInt(node, SAVE_AIRCRAFT_DETECTIONIDX, aircraft->detectionIdx);
        cgi->XML_AddDate(node, SAVE_AIRCRAFT_LASTSPOTTED_DATE, aircraft->lastSpotted.getDateAsDays(), aircraft->lastSpotted.getTimeAsSeconds());
    } else {
        if (aircraft->status == AIR_MISSION || aircraft->status == AIR_DROP) {
            assert(aircraft->mission);
            cgi->XML_AddString(node, SAVE_AIRCRAFT_MISSIONID, aircraft->mission->id);
        }
        if (aircraft->homebase) {
            cgi->XML_AddInt(node, SAVE_AIRCRAFT_HOMEBASE, aircraft->homebase->idx);
        }
    }
 
    if (aircraft->aircraftTarget) {
        if (isUfo)
            cgi->XML_AddInt(node, SAVE_AIRCRAFT_AIRCRAFTTARGET, aircraft->aircraftTarget->idx);
        else
            cgi->XML_AddInt(node, SAVE_AIRCRAFT_AIRCRAFTTARGET, UFO_GetGeoscapeIDX(aircraft->aircraftTarget));
    }
 
    subnode = cgi->XML_AddNode(node, SAVE_AIRCRAFT_AIRSTATS);
    for (int i = 0; i < AIR_STATS_MAX; i++) {
#ifdef DEBUG
        /* UFO HP can be < 0 if the UFO has been destroyed */
        if (!(isUfo && i == AIR_STATS_DAMAGE) && aircraft->stats[i] < 0)
            cgi->Com_Printf("Warning: ufo '%s' stats %i: %i is smaller than 0\n", aircraft->id, i, aircraft->stats[i]);
#endif
        if (aircraft->stats[i] != 0) {
            xmlNode_t* statNode = cgi->XML_AddNode(subnode, SAVE_AIRCRAFT_AIRSTAT);
            cgi->XML_AddString(statNode, SAVE_AIRCRAFT_AIRSTATID, cgi->Com_GetConstVariable(SAVE_AIRCRAFTSTAT_NAMESPACE, i));
            cgi->XML_AddLong(statNode, SAVE_AIRCRAFT_VAL, aircraft->stats[i]);
        }
    }
 
    cgi->XML_AddBoolValue(node, SAVE_AIRCRAFT_DETECTED, aircraft->detected);
    cgi->XML_AddBoolValue(node, SAVE_AIRCRAFT_LANDED, aircraft->landed);
 
    cgi->Com_UnregisterConstList(saveAircraftConstants);
 
    /* All other information is not needed for ufos */
    if (isUfo)
        return true;
 
    subnode = cgi->XML_AddNode(node, SAVE_AIRCRAFT_AIRCRAFTTEAM);
    LIST_Foreach(aircraft->acTeam, Employee, employee) {
        xmlNode_t* ssnode = cgi->XML_AddNode(subnode, SAVE_AIRCRAFT_MEMBER);
        cgi->XML_AddInt(ssnode, SAVE_AIRCRAFT_TEAM_UCN, employee->chr.ucn);
    }
 
    pilot = AIR_GetPilot(aircraft);
    if (pilot)
        cgi->XML_AddInt(node, SAVE_AIRCRAFT_PILOTUCN, pilot->chr.ucn);
 
    /* itemcargo */
    if (aircraft->itemCargo != nullptr) {
        subnode = cgi->XML_AddNode(node, SAVE_AIRCRAFT_CARGO);
        if (!subnode)
            return false;
        aircraft->itemCargo->save(subnode);
    }
 
    /* aliencargo */
    if (aircraft->alienCargo != nullptr) {
        subnode = cgi->XML_AddNode(node, SAVE_AIRCRAFT_ALIENCARGO);
        if (!subnode)
            return false;
        aircraft->alienCargo->save(subnode);
    }
 
    return true;
}

bool AIR_SaveXML (xmlNode_t* parent)
{
    /* save phalanx aircraft */
    xmlNode_t* snode = cgi->XML_AddNode(parent, SAVE_AIRCRAFT_PHALANX);
    AIR_Foreach(aircraft) {
        AIR_SaveAircraftXML(snode, aircraft, false);
    }
 
    /* save the ufos on geoscape */
    snode = cgi->XML_AddNode(parent, SAVE_AIRCRAFT_UFOS);
    for (int i = 0; i < MAX_UFOONGEOSCAPE; i++) {
        const aircraft_t* ufo = UFO_GetByIDX(i);
        if (!ufo || (ufo->id == nullptr))
            continue;
        AIR_SaveAircraftXML(snode, ufo, true);
    }
 
    /* Save projectiles. */
    xmlNode_t* node = cgi->XML_AddNode(parent, SAVE_AIRCRAFT_PROJECTILES);
    if (!AIRFIGHT_SaveXML(node))
        return false;
 
    return true;
}

static void AIR_LoadAircraftSlotsXML (aircraft_t* aircraft, aircraftSlot_t* slot, xmlNode_t* p, bool weapon, const int max)
{
    xmlNode_t* act;
    int i;
    for (i = 0, act = cgi->XML_GetNode(p, SAVE_AIRCRAFT_SLOT); act && i <= max; act = cgi->XML_GetNextNode(act, p, SAVE_AIRCRAFT_SLOT), i++) {
        slot[i].aircraft = aircraft;
        AII_LoadOneSlotXML(act, &slot[i], weapon);
    }
    if (i > max)
        cgi->Com_Printf("Error: Trying to assign more than max (%d) Aircraft Slots (cur is %d)\n", max, i);
 
}

static bool AIR_LoadRouteXML (xmlNode_t* p, mapline_t* route)
{
    xmlNode_t* actual;
    xmlNode_t* snode;
    int count = 0;
 
    snode = cgi->XML_GetNode(p, SAVE_AIRCRAFT_ROUTE);
    if (!snode)
        return false;
 
    for (actual = cgi->XML_GetPos2(snode, SAVE_AIRCRAFT_ROUTE_POINT, route->point[count]); actual && count <= LINE_MAXPTS;
            actual = cgi->XML_GetNextPos2(actual, snode, SAVE_AIRCRAFT_ROUTE_POINT, route->point[++count]))
        ;
    if (count > LINE_MAXPTS) {
        cgi->Com_Printf("AIR_Load: number of points (%i) for UFO route exceed maximum value (%i)\n", count, LINE_MAXPTS);
        return false;
    }
    route->numPoints = count;
    route->distance = cgi->XML_GetFloat(snode, SAVE_AIRCRAFT_ROUTE_DISTANCE, 0.0);
    return true;
}

static bool AIR_LoadAircraftXML (xmlNode_t* p, aircraft_t* craft)
{
    xmlNode_t* snode;
    xmlNode_t* ssnode;
    const char* statusId;
    /* vars, if aircraft wasn't found */
    int tmpInt;
    int status;
    const char* s = cgi->XML_GetString(p, SAVE_AIRCRAFT_ID);
    const aircraft_t* crafttype = AIR_GetAircraft(s);
 
    /* Copy all datas that don't need to be saved (tpl, hangar, ...) */
    *craft = *crafttype;
 
    tmpInt = cgi->XML_GetInt(p, SAVE_AIRCRAFT_HOMEBASE, MAX_BASES);
    craft->homebase = (tmpInt != MAX_BASES) ? B_GetBaseByIDX(tmpInt) : nullptr;
 
    craft->idx = cgi->XML_GetInt(p, SAVE_AIRCRAFT_IDX, -1);
    if (craft->idx < 0) {
        cgi->Com_Printf("Invalid (or no) aircraft index %i\n", craft->idx);
        return false;
    }
 
    cgi->Com_RegisterConstList(saveAircraftConstants);
 
    statusId = cgi->XML_GetString(p, SAVE_AIRCRAFT_STATUS);
    if (!cgi->Com_GetConstIntFromNamespace(SAVE_AIRCRAFTSTATUS_NAMESPACE, statusId, &status)) {
        cgi->Com_Printf("Invalid aircraft status '%s'\n", statusId);
        cgi->Com_UnregisterConstList(saveAircraftConstants);
        return false;
    }
 
    craft->status = (aircraftStatus_t)status;
    craft->fuel = cgi->XML_GetInt(p, SAVE_AIRCRAFT_FUEL, 0);
    craft->damage = cgi->XML_GetInt(p, SAVE_AIRCRAFT_DAMAGE, 0);
    cgi->XML_GetPos3(p, SAVE_AIRCRAFT_POS, craft->pos);
 
    cgi->XML_GetPos3(p, SAVE_AIRCRAFT_DIRECTION, craft->direction);
    craft->point = cgi->XML_GetInt(p, SAVE_AIRCRAFT_POINT, 0);
    craft->time = cgi->XML_GetInt(p, SAVE_AIRCRAFT_TIME, 0);
 
    if (!AIR_LoadRouteXML(p, &craft->route)) {
        cgi->Com_UnregisterConstList(saveAircraftConstants);
        return false;
    }
 
    s = cgi->XML_GetString(p, SAVE_AIRCRAFT_NAME);
    if (s[0] == '\0')
        s = _(craft->defaultName);
    Q_strncpyz(craft->name, s, sizeof(craft->name));
 
    s = cgi->XML_GetString(p, SAVE_AIRCRAFT_MISSIONID);
    craft->missionID = cgi->PoolStrDup(s, cp_campaignPool, 0);
 
    if (!craft->homebase) {
        /* detection id and time */
        craft->detectionIdx = cgi->XML_GetInt(p, SAVE_AIRCRAFT_DETECTIONIDX, 0);
        int date;
        int time;
        cgi->XML_GetDate(p, SAVE_AIRCRAFT_LASTSPOTTED_DATE, &date, &time);
        craft->lastSpotted = DateTime(date, time);
    }
 
    snode = cgi->XML_GetNode(p, SAVE_AIRCRAFT_AIRSTATS);
    for (ssnode = cgi->XML_GetNode(snode, SAVE_AIRCRAFT_AIRSTAT); ssnode; ssnode = cgi->XML_GetNextNode(ssnode, snode, SAVE_AIRCRAFT_AIRSTAT)) {
        const char* statId =  cgi->XML_GetString(ssnode, SAVE_AIRCRAFT_AIRSTATID);
        int idx;
 
        if (!cgi->Com_GetConstIntFromNamespace(SAVE_AIRCRAFTSTAT_NAMESPACE, statId, &idx)) {
            cgi->Com_Printf("Invalid aircraft stat '%s'\n", statId);
            cgi->Com_UnregisterConstList(saveAircraftConstants);
            return false;
        }
        craft->stats[idx] = cgi->XML_GetLong(ssnode, SAVE_AIRCRAFT_VAL, 0);
#ifdef DEBUG
        /* UFO HP can be < 0 if the UFO has been destroyed */
        if (!(!craft->homebase && idx == AIR_STATS_DAMAGE) && craft->stats[idx] < 0)
            cgi->Com_Printf("Warning: ufo '%s' stats %i: %i is smaller than 0\n", craft->id, idx, craft->stats[idx]);
#endif
    }
 
    craft->detected = cgi->XML_GetBool(p, SAVE_AIRCRAFT_DETECTED, false);
    craft->landed = cgi->XML_GetBool(p, SAVE_AIRCRAFT_LANDED, false);
 
    tmpInt = cgi->XML_GetInt(p, SAVE_AIRCRAFT_AIRCRAFTTARGET, -1);
    if (tmpInt == -1)
        craft->aircraftTarget = nullptr;
    else if (!craft->homebase)
        craft->aircraftTarget = AIR_AircraftGetFromIDX(tmpInt);
    else
        craft->aircraftTarget = ccs.ufos + tmpInt;
 
    /* read equipment slots */
    snode = cgi->XML_GetNode(p, SAVE_AIRCRAFT_WEAPONS);
    AIR_LoadAircraftSlotsXML(craft, craft->weapons, snode, true, craft->maxWeapons);
    snode = cgi->XML_GetNode(p, SAVE_AIRCRAFT_SHIELDS);
    AIR_LoadAircraftSlotsXML(craft, &craft->shield, snode, false, 1);
    snode = cgi->XML_GetNode(p, SAVE_AIRCRAFT_ELECTRONICS);
    AIR_LoadAircraftSlotsXML(craft, craft->electronics, snode, false, craft->maxElectronics);
 
    cgi->Com_UnregisterConstList(saveAircraftConstants);
 
    /* All other information is not needed for ufos */
    if (!craft->homebase)
        return true;
 
    snode = cgi->XML_GetNode(p, SAVE_AIRCRAFT_AIRCRAFTTEAM);
    for (ssnode = cgi->XML_GetNode(snode, SAVE_AIRCRAFT_MEMBER); AIR_GetTeamSize(craft) < craft->maxTeamSize && ssnode;
            ssnode = cgi->XML_GetNextNode(ssnode, snode, SAVE_AIRCRAFT_MEMBER)) {
        const int ucn = cgi->XML_GetInt(ssnode, SAVE_AIRCRAFT_TEAM_UCN, -1);
        if (ucn != -1)
            cgi->LIST_AddPointer(&craft->acTeam, E_GetEmployeeFromChrUCN(ucn));
    }
 
    tmpInt = cgi->XML_GetInt(p, SAVE_AIRCRAFT_PILOTUCN, -1);
    /* the employee subsystem is loaded after the base subsystem
     * this means, that the pilot pointer is not (really) valid until
     * E_Load was called, too */
    if (tmpInt != -1)
        AIR_SetPilot(craft, E_GetEmployeeFromChrUCN(tmpInt));
    else
        AIR_SetPilot(craft, nullptr);
 
    RADAR_Initialise(&craft->radar, crafttype->radar.range, crafttype->radar.trackingRange, 1.0f, false);
    RADAR_InitialiseUFOs(&craft->radar);
    craft->radar.ufoDetectionProbability =  crafttype->radar.ufoDetectionProbability;
 
    /* itemcargo */
    snode = cgi->XML_GetNode(p, SAVE_AIRCRAFT_CARGO);
    if (snode) {
        craft->itemCargo = new ItemCargo();
        if (craft->itemCargo == nullptr)
            cgi->Com_Error(ERR_DROP, "AIR_LoadAircraftXML: Cannot create ItemCargo object\n");
        craft->itemCargo->load(snode);
    }
 
    /* aliencargo */
    snode = cgi->XML_GetNode(p, SAVE_AIRCRAFT_ALIENCARGO);
    if (snode) {
        craft->alienCargo = new AlienCargo();
        if (craft->alienCargo == nullptr)
            cgi->Com_Error(ERR_DROP, "AIR_LoadAircraftXML: Cannot create AlienCargo object\n");
        craft->alienCargo->load(snode);
    }
 
    return true;
}

static void AIR_CorrectAircraftSlotPointers (aircraft_t* aircraft)
{
    int i;
 
    assert(aircraft);
 
    for (i = 0; i < aircraft->maxWeapons; i++) {
        aircraft->weapons[i].aircraft = aircraft;
        aircraft->weapons[i].base = nullptr;
        aircraft->weapons[i].installation = nullptr;
    }
    for (i = 0; i < aircraft->maxElectronics; i++) {
        aircraft->electronics[i].aircraft = aircraft;
        aircraft->electronics[i].base = nullptr;
        aircraft->electronics[i].installation = nullptr;
    }
    aircraft->shield.aircraft = aircraft;
    aircraft->shield.base = nullptr;
    aircraft->shield.installation = nullptr;
}
 
bool AIR_LoadXML (xmlNode_t* parent)
{
    xmlNode_t* snode, *ssnode;
    xmlNode_t* projectiles;
    int i;
 
    /* load phalanx aircraft */
    snode = cgi->XML_GetNode(parent, SAVE_AIRCRAFT_PHALANX);
    for (ssnode = cgi->XML_GetNode(snode, SAVE_AIRCRAFT_AIRCRAFT); ssnode;
            ssnode = cgi->XML_GetNextNode(ssnode, snode, SAVE_AIRCRAFT_AIRCRAFT)) {
        aircraft_t craft;
        if (!AIR_LoadAircraftXML(ssnode, &craft))
            return false;
        assert(craft.homebase);
        AIR_CorrectAircraftSlotPointers(AIR_Add(craft.homebase, &craft));
    }
 
    /* load the ufos on geoscape */
    snode = cgi->XML_GetNode(parent, SAVE_AIRCRAFT_UFOS);
 
    for (i = 0, ssnode = cgi->XML_GetNode(snode, SAVE_AIRCRAFT_AIRCRAFT); i < MAX_UFOONGEOSCAPE && ssnode;
            ssnode = cgi->XML_GetNextNode(ssnode, snode, SAVE_AIRCRAFT_AIRCRAFT), i++) {
        if (!AIR_LoadAircraftXML(ssnode, UFO_GetByIDX(i)))
            return false;
        ccs.numUFOs++;
    }
 
    /* Load projectiles. */
    projectiles = cgi->XML_GetNode(parent, SAVE_AIRCRAFT_PROJECTILES);
    if (!AIRFIGHT_LoadXML(projectiles))
        return false;
 
    /* check UFOs - backwards */
    for (i = ccs.numUFOs - 1; i >= 0; i--) {
        aircraft_t* ufo = UFO_GetByIDX(i);
        if (ufo->time < 0 || ufo->stats[AIR_STATS_SPEED] <= 0) {
            cgi->Com_Printf("AIR_Load: Found invalid ufo entry - remove it - time: %i - speed: %i\n",
                ufo->time, ufo->stats[AIR_STATS_SPEED]);
            UFO_RemoveFromGeoscape(ufo);
        }
    }
 
    return true;
}

static bool AIR_PostLoadInitMissions (void)
{
    bool success = true;
    aircraft_t* prevUfo;
    aircraft_t* ufo;
 
    /* PHALANX aircraft */
    AIR_Foreach(aircraft) {
        if (Q_strnull(aircraft->missionID)) {
            /* Save compatibility (03/Jul/2015) */
            if (aircraft->status == AIR_DROP)
                aircraft->status = AIR_IDLE;
            continue;
        }
        aircraft->mission = CP_GetMissionByID(aircraft->missionID);
        if (!aircraft->mission) {
            cgi->Com_Printf("Aircraft %s (idx: %i) is linked to an invalid mission: %s\n", aircraft->name, aircraft->idx, aircraft->missionID);
            if (aircraft->status == AIR_MISSION)
                AIR_AircraftReturnToBase(aircraft);
        }
        cgi->Free(aircraft->missionID);
        aircraft->missionID = nullptr;
    }
 
    /* UFOs */
    prevUfo = nullptr;
    while ((ufo = UFO_GetNext(prevUfo)) != nullptr) {
        if (Q_strnull(ufo->missionID)) {
            cgi->Com_Printf("Warning: %s (idx: %i) has no mission assigned, removing it\n", ufo->name, ufo->idx);
            UFO_RemoveFromGeoscape(ufo);
            continue;
        }
        ufo->mission = CP_GetMissionByID(ufo->missionID);
        if (!ufo->mission) {
            cgi->Com_Printf("Warning: %s (idx: %i) is linked to an invalid mission %s, removing it\n", ufo->name, ufo->idx, ufo->missionID);
            UFO_RemoveFromGeoscape(ufo);
            continue;
        }
        ufo->mission->ufo = ufo;
        cgi->Free(ufo->missionID);
        ufo->missionID = nullptr;
        prevUfo = ufo;
    }
 
    return success;
}

bool AIR_PostLoadInit (void)
{
    return AIR_PostLoadInitMissions();
}

bool AIR_AircraftAllowed (const base_t* base)
{
    return B_GetBuildingStatus(base, B_HANGAR) || B_GetBuildingStatus(base, B_SMALL_HANGAR);
}

bool AIR_CanIntercept (const aircraft_t* aircraft)
{
    if (aircraft->status == AIR_NONE || aircraft->status == AIR_CRASHED)
        return false;
 
    /* if dependencies of hangar are missing, you can't send aircraft */
    const building_t* hangar = B_GetBuildingTemplateSilent(aircraft->building);
    if (!B_GetBuildingStatus(aircraft->homebase, hangar->buildingType))
        return false;
 
    /* we need a pilot to intercept */
    if (AIR_GetPilot(aircraft) == nullptr)
        return false;
 
    return true;
}

bool AIR_ScriptSanityCheck (void)
{
    int i, j, k, error = 0;
    aircraft_t* a;
 
    for (i = 0, a = ccs.aircraftTemplates; i < ccs.numAircraftTemplates; i++, a++) {
        if (a->name[0] == '\0') {
            error++;
            cgi->Com_Printf("...... aircraft '%s' has no name\n", a->id);
        }
        if (!a->defaultName) {
            error++;
            cgi->Com_Printf("...... aircraft '%s' has no defaultName\n", a->id);
        }
 
        /* check that every weapons fits slot */
        for (j = 0; j < a->maxWeapons - 1; j++)
            if (a->weapons[j].item && AII_GetItemWeightBySize(a->weapons[j].item) > a->weapons[j].size) {
                error++;
                cgi->Com_Printf("...... aircraft '%s' has an item (%s) too heavy for its slot\n", a->id, a->weapons[j].item->id);
            }
 
        /* check that every slots has a different location for PHALANX aircraft (not needed for UFOs) */
        if (!AIR_IsUFO(a)) {
            for (j = 0; j < a->maxWeapons - 1; j++) {
                const itemPos_t var = a->weapons[j].pos;
                for (k = j + 1; k < a->maxWeapons; k++)
                    if (var == a->weapons[k].pos) {
                        error++;
                        cgi->Com_Printf("...... aircraft '%s' has 2 weapons slots at the same location\n", a->id);
                    }
            }
            for (j = 0; j < a->maxElectronics - 1; j++) {
                const itemPos_t var = a->electronics[j].pos;
                for (k = j + 1; k < a->maxElectronics; k++)
                    if (var == a->electronics[k].pos) {
                        error++;
                        cgi->Com_Printf("...... aircraft '%s' has 2 electronics slots at the same location\n", a->id);
                    }
            }
        }
    }
 
    return !error;
}

bool AIR_RemoveEmployee (Employee* employee, aircraft_t* aircraft)
{
    if (!employee)
        return false;
 
    /* If no aircraft is given we search if he is in _any_ aircraft and set
     * the aircraft pointer to it. */
    if (!aircraft) {
        AIR_Foreach(acTemp) {
            if (AIR_IsEmployeeInAircraft(employee, acTemp)) {
                aircraft = acTemp;
                break;
            }
        }
        if (!aircraft)
            return false;
    }
 
    cgi->Com_DPrintf(DEBUG_CLIENT, "AIR_RemoveEmployee: base: %i - aircraft->idx: %i\n",
        aircraft->homebase ? aircraft->homebase->idx : -1, aircraft->idx);
 
    if (AIR_GetPilot(aircraft) == employee) {
#ifdef DEBUG
        if (employee->getType() != EMPL_PILOT)
            cgi->Com_Printf("Warning: pilot of aircraft %i is not a qualified pilot (ucn: %i)\n", aircraft->idx, employee->chr.ucn);
#endif
        return AIR_SetPilot(aircraft, nullptr);
    }
 
    return cgi->LIST_Remove(&aircraft->acTeam, employee);
}

const aircraft_t* AIR_IsEmployeeInAircraft (const Employee* employee, const aircraft_t* aircraft)
{
    if (!employee)
        return nullptr;
 
    if (employee->transfer)
        return nullptr;
 
    /* If no aircraft is given we search if he is in _any_ aircraft and return true if that's the case. */
    if (!aircraft) {
        AIR_Foreach(anyAircraft) {
            if (AIR_IsEmployeeInAircraft(employee, anyAircraft))
                return anyAircraft;
        }
        return nullptr;
    }
 
    if (employee->isPilot()) {
        if (AIR_GetPilot(aircraft) == employee)
            return aircraft;
        return nullptr;
    }
 
    if (AIR_IsInAircraftTeam(aircraft, employee))
        return aircraft;
 
    return nullptr;
}

void AIR_RemoveEmployees (aircraft_t& aircraft)
{
    LIST_Foreach(aircraft.acTeam, Employee, employee) {
        /* use global aircraft index here */
        AIR_RemoveEmployee(employee, &aircraft);
    }
 
    /* Remove pilot */
    AIR_SetPilot(&aircraft, nullptr);
 
    if (AIR_GetTeamSize(&aircraft) > 0)
        cgi->Com_Error(ERR_DROP, "AIR_RemoveEmployees: Error, there went something wrong with soldier-removing from aircraft.");
}
 

void AIR_MoveEmployeeInventoryIntoStorage (const aircraft_t& aircraft, equipDef_t& ed)
{
    if (AIR_GetTeamSize(&aircraft) == 0) {
        cgi->Com_DPrintf(DEBUG_CLIENT, "AIR_MoveEmployeeInventoryIntoStorage: No team to remove equipment from.\n");
        return;
    }
 
    LIST_Foreach(aircraft.acTeam, Employee, employee) {
        const Container* cont = nullptr;
        while ((cont = employee->chr.inv.getNextCont(cont, true))) {
            Item* ic = cont->getNextItem(nullptr);
            while (ic) {
                const Item item = *ic;
                const objDef_t* type = item.def();
                Item* next = ic->getNext();
 
                ed.numItems[type->idx]++;
                if (item.getAmmoLeft() && type->isReloadable()) {
                    assert(item.ammoDef());
                    /* Accumulate loose ammo into clips */
                    ed.addClip(&item);  /* does not delete the item */
                }
                ic = next;
            }
        }
    }
}

bool AIR_AddEmployee (Employee* employee, aircraft_t* aircraft)
{
    if (!employee || !aircraft)
        return false;
 
    if (AIR_GetTeamSize(aircraft) < aircraft->maxTeamSize) {
        /* Check whether the soldier is already on another aircraft */
        if (AIR_IsEmployeeInAircraft(employee, nullptr))
            return false;
 
        /* Assign the soldier to the aircraft. */
        return AIR_AddToAircraftTeam(aircraft, employee);
    }
    return false;
}

void AIR_AssignInitial (aircraft_t* aircraft)
{
    int count;
    base_t* base;
 
    if (!aircraft) {
        cgi->Com_Printf("AIR_AssignInitial: No aircraft given\n");
        return;
    }
 
    base = aircraft->homebase;
    assert(base);
 
    count = 0;
    E_Foreach(EMPL_SOLDIER, employee) {
        if (count >= aircraft->maxTeamSize)
            break;
        if (employee->baseHired != base)
            continue;
        if (AIR_AddEmployee(employee, aircraft))
            count++;
    }
}
 
static const cmdList_t aircraftDebugCmds[] = {
#ifdef DEBUG
    {"debug_listaircraftsample", AIR_ListAircraftSamples_f, "Show aircraft parameter on game console"},
    {"debug_listaircraft", AIR_ListAircraft_f, "Debug function to list all aircraft in all bases"},
    {"debug_listaircraftidx", AIR_ListCraftIndexes_f, "Debug function to list local/global aircraft indexes"},
#endif
    {nullptr, nullptr, nullptr}
};

void AIR_InitStartup (void)
{
    AIR_InitCallbacks();
    cgi->Cmd_TableAddList(aircraftDebugCmds);
}

void AIR_Shutdown (void)
{
    AIR_Foreach(craft) {
        AIR_ResetAircraftTeam(craft);
        if (craft->alienCargo != nullptr) {
            delete craft->alienCargo;
            craft->alienCargo = nullptr;
        }
        if (craft->itemCargo != nullptr) {
            delete craft->itemCargo;
            craft->itemCargo = nullptr;
        }
    }
    cgi->LIST_Delete(&ccs.aircraft);
 
    AIR_ShutdownCallbacks();
    cgi->Cmd_TableRemoveList(aircraftDebugCmds);
}