cp_base.cpp

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/*
Copyright (C) 2002-2022 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 "../../cl_inventory.h" /* INV_GetEquipmentDefinitionByID */
#include "../../ui/ui_dataids.h"
#include "../../../shared/parse.h"
#include "cp_campaign.h"
#include "cp_mapfightequip.h"
#include "cp_aircraft.h"
#include "cp_missions.h"
#include "cp_geoscape.h"
#include "cp_popup.h"
#include "cp_radar.h"
#include "cp_time.h"
#include "cp_base_callbacks.h"
#include "cp_ufo.h"
#include "save/save_base.h"
#include "aliencontainment.h"
#include "itemcargo.h"

#define B_GetBuildingByIDX(baseIdx, buildingIdx) (&ccs.buildings[(baseIdx)][(buildingIdx)])
#define B_GetBuildingIDX(base, building) ((ptrdiff_t)((building) - ccs.buildings[base->idx]))
#define B_GetBaseIDX(base) ((ptrdiff_t)((base) - ccs.bases))

static void B_InitialEquipment(aircraft_t* aircraft, const equipDef_t* ed);

static linkedList_t* B_GetNeighbours (const building_t* building)
{
    if (!building || !B_IsBuildingBuiltUp(building))
        return nullptr;

    const int x = building->pos[0];
    const int y = building->pos[1];
    base_t* base = building->base;
    linkedList_t* neighbours = nullptr;

    assert(base);
    for (int i = x; i < x + building->size[0]; i++) {
        /* North */
        if (y > 0 && B_GetBuildingAt(base, i, y - 1) != nullptr)
            cgi->LIST_AddPointer(&neighbours, (void*)B_GetBuildingAt(base, i, y - 1));
        /* South */
        if (y < BASE_SIZE - building->size[1] && B_GetBuildingAt(base, i, y + building->size[1]) != nullptr)
            cgi->LIST_AddPointer(&neighbours, (void*)B_GetBuildingAt(base, i, y + building->size[1]));
    }
    for (int i = y; i < y + building->size[1]; i++) {
        /* West */
        if (x > 0 && B_GetBuildingAt(base, x - 1, i) != nullptr)
            cgi->LIST_AddPointer(&neighbours, (void*)B_GetBuildingAt(base, x - 1, i));
        /* East */
        if (x < BASE_SIZE - building->size[0] && B_GetBuildingAt(base, x + building->size[0], i) != nullptr)
            cgi->LIST_AddPointer(&neighbours, (void*)B_GetBuildingAt(base, x + building->size[0], i));
    }
    return neighbours;
}

#ifdef DEBUG

static bool B_IsCoherent (const base_t* base)
{
    int found[MAX_BUILDINGS];
    linkedList_t* queue = nullptr;
    building_t* bldg = nullptr;

    OBJZERO(found);
    while ((bldg = B_GetNextBuilding(base, bldg)) != nullptr) {
        cgi->LIST_AddPointer(&queue, (void*)bldg);
        break;
    }
    if (!bldg)
        return true;

    while (!cgi->LIST_IsEmpty(queue)) {
        bldg = (building_t*)queue->data;
        found[bldg->idx] = 1;
        cgi->LIST_RemoveEntry(&queue, queue);

        linkedList_t* neighbours = B_GetNeighbours(bldg);
        LIST_Foreach(neighbours, building_t, bldg) {
            if (found[bldg->idx] == 0) {
                found[bldg->idx] = 1;
                cgi->LIST_AddPointer(&queue, (void*)bldg);
            }
        }
        cgi->LIST_Delete(&neighbours);
    }
    cgi->LIST_Delete(&queue);

    for (int i = 0; i < ccs.numBuildings[base->idx]; i++) {
        if (found[i] != 1)
            return false;
    }
    return true;
}
#endif

static bool B_AddBlockedTile (base_t* base, int row, int column)
{
    assert(base);

    if (B_GetBuildingAt(base, column, row) != nullptr)
        return false;

    int found[BASE_SIZE][BASE_SIZE];
    OBJZERO(found);
    found[row][column] = -1;

    linkedList_t* queue = nullptr;
    /* Get first non blocked tile */
    for (int y = 0; y < BASE_SIZE && cgi->LIST_IsEmpty(queue); y++) {
        for (int x = 0; x < BASE_SIZE && cgi->LIST_IsEmpty(queue); x++) {
            if (x == column && y == row)
                continue;
            if (!B_IsTileBlocked(base, x, y))
                cgi->LIST_AddPointer(&queue, &base->map[y][x]);
        }
    }

    if (cgi->LIST_IsEmpty(queue))
        return false;

    /* BS Traversal */
    while (!cgi->LIST_IsEmpty(queue)) {
        baseBuildingTile_t* tile = (baseBuildingTile_t*)queue->data;
        cgi->LIST_RemoveEntry(&queue, queue);
        const int x = tile->posX;
        const int y = tile->posY;

        found[y][x] = 1;
        /* West */
        if (x > 0 && !B_IsTileBlocked(base, x - 1, y) && found[y][x - 1] == 0)
            cgi->LIST_AddPointer(&queue, (void*)&base->map[y][x - 1]);
        /* East */
        if (x < BASE_SIZE - 1 && !B_IsTileBlocked(base, x + 1, y) && found[y][x + 1] == 0)
            cgi->LIST_AddPointer(&queue, (void*)&base->map[y][x + 1]);
        /* North */
        if (y > 0 && !B_IsTileBlocked(base, x, y - 1) && found[y - 1][x] == 0)
            cgi->LIST_AddPointer(&queue, (void*)&base->map[y - 1][x]);
        /* South */
        if (y < BASE_SIZE - 1 && !B_IsTileBlocked(base, x, y + 1) && found[y + 1][x] == 0)
            cgi->LIST_AddPointer(&queue, (void*)&base->map[y + 1][x]);
    }
    cgi->LIST_Delete(&queue);

    /* Check for unreached areas */
    for (int y = 0; y < BASE_SIZE; y++) {
        for (int x = 0; x < BASE_SIZE; x++) {
            if (!B_IsTileBlocked(base, x, y) && found[y][x] == 0)
                return false;
        }
    }
    base->map[row][column].blocked = true;
    return true;
}

static void B_AddBlockedTiles (base_t* base, int count)
{
    assert(base);

    for (int placed = 0; placed < count; placed++) {
        const int x = rand() % BASE_SIZE;
        const int y = rand() % BASE_SIZE;

        if (B_IsTileBlocked(base, x, y))
            continue;

        if (B_GetBuildingAt(base, x, y) != nullptr)
            continue;

        B_AddBlockedTile(base, y, x);
    }
}

bool B_IsBuildingDestroyable (const building_t* building)
{
    assert(building);
    base_t* base = building->base;
    assert(base);

    if (base->baseStatus == BASE_DESTROYED)
        return true;

    linkedList_t* queue = nullptr;
    building_t* bldg = nullptr;

    while ((bldg = B_GetNextBuilding(base, bldg)) != nullptr) {
        if (bldg != building) {
            cgi->LIST_AddPointer(&queue, (void*)bldg);
            break;
        }
    }
    if (!bldg)
        return true;

    int found[MAX_BUILDINGS];
    OBJZERO(found);
    /* prevents adding building to be removed to the queue */
    found[building->idx] = 1;

    while (!cgi->LIST_IsEmpty(queue)) {
        bldg = (building_t*)queue->data;
        found[bldg->idx] = 1;
        cgi->LIST_RemoveEntry(&queue, queue);

        linkedList_t* neighbours = B_GetNeighbours(bldg);
        LIST_Foreach(neighbours, building_t, bldg) {
            if (found[bldg->idx] == 0) {
                found[bldg->idx] = 1;
                cgi->LIST_AddPointer(&queue, (void*)bldg);
            }
        }
        cgi->LIST_Delete(&neighbours);
    }
    cgi->LIST_Delete(&queue);

    for (int i = 0; i < ccs.numBuildings[base->idx]; i++) {
        if (found[i] != 1)
            return false;
    }

    return true;
}

int B_GetCount (void)
{
    return ccs.numBases;
}

base_t* B_GetNext (base_t* lastBase)
{
    base_t* endOfBases = &ccs.bases[B_GetCount()];
    base_t* base;

    if (!B_GetCount())
        return nullptr;

    if (!lastBase)
        return ccs.bases;
    assert(lastBase >= ccs.bases);
    assert(lastBase < endOfBases);

    base = lastBase;

    base++;
    if (base >= endOfBases)
        return nullptr;
    return base;
}

base_t* B_GetBaseByIDX (int baseIdx)
{
    if (baseIdx >= MAX_BASES || baseIdx < 0)
        return nullptr;

    return &ccs.bases[baseIdx];
}

base_t* B_GetFoundedBaseByIDX (int baseIdx)
{
    if (baseIdx >= B_GetCount())
        return nullptr;

    return B_GetBaseByIDX(baseIdx);
}

building_t* B_GetNextBuilding (const base_t* base, building_t* lastBuilding)
{
    building_t* endOfBuildings = B_GetBuildingByIDX(base->idx, ccs.numBuildings[base->idx]);
    building_t* building;

    if (!ccs.numBuildings[base->idx])
        return nullptr;

    if (!lastBuilding)
        return ccs.buildings[base->idx];
    assert(lastBuilding >= ccs.buildings[base->idx]);
    assert(lastBuilding < endOfBuildings);

    building = lastBuilding;

    building++;
    if (building >= endOfBuildings)
        return nullptr;
    return building;
}

building_t* B_GetNextBuildingByType (const base_t* base, building_t* lastBuilding, buildingType_t buildingType)
{
    building_t* building = lastBuilding;

    while ((building = B_GetNextBuilding(base, building))) {
        if (building->buildingType == buildingType)
            break;
    }
    return building;
}

bool B_CheckBuildingTypeStatus (const base_t* const base, buildingType_t type, buildingStatus_t status, int* cnt)
{
    int cntlocal = 0;
    building_t* building = nullptr;

    while ((building = B_GetNextBuildingByType(base, building, type))) {
        if (building->buildingStatus != status)
            continue;
        cntlocal++;
        /* don't count any further - the caller doesn't want to know the value */
        if (!cnt)
            return true;
    }

    /* set the cnt pointer if the caller wants to know this value */
    if (cnt)
        *cnt = cntlocal;

    return cntlocal ? true : false;
}

baseCapacities_t B_GetCapacityFromBuildingType (buildingType_t type)
{
    switch (type) {
    case B_LAB:
        return CAP_LABSPACE;
    case B_QUARTERS:
        return CAP_EMPLOYEES;
    case B_STORAGE:
        return CAP_ITEMS;
    case B_WORKSHOP:
        return CAP_WORKSPACE;
    case B_HANGAR:
        return CAP_AIRCRAFT_BIG;
    case B_ALIEN_CONTAINMENT:
        return CAP_ALIENS;
    case B_SMALL_HANGAR:
        return CAP_AIRCRAFT_SMALL;
    case B_ANTIMATTER:
        return CAP_ANTIMATTER;
    default:
        return MAX_CAP;
    }
}

buildingType_t B_GetBuildingTypeByCapacity (baseCapacities_t cap)
{
    switch (cap) {
    case CAP_ALIENS:
        return B_ALIEN_CONTAINMENT;
    case CAP_AIRCRAFT_SMALL:
        return B_SMALL_HANGAR;
    case CAP_AIRCRAFT_BIG:
        return B_HANGAR;
    case CAP_EMPLOYEES:
        return B_QUARTERS;
    case CAP_ITEMS:
        return B_STORAGE;
    case CAP_LABSPACE:
        return B_LAB;
    case CAP_WORKSPACE:
        return B_WORKSHOP;
    case CAP_ANTIMATTER:
        return B_ANTIMATTER;
    default:
        return MAX_BUILDING_TYPE;
    }
}

bool B_GetBuildingStatus (const base_t* const base, const buildingType_t buildingType)
{
    assert(base);

    if (buildingType == B_MISC)
        return true;

    if (buildingType < MAX_BUILDING_TYPE)
        return base->hasBuilding[buildingType];

    cgi->Com_Printf("B_GetBuildingStatus: Building-type %i does not exist.\n", buildingType);
    return false;
}

void B_SetBuildingStatus (base_t* const base, const buildingType_t buildingType, bool newStatus)
{
    if (buildingType == B_MISC) {
        cgi->Com_Printf("B_SetBuildingStatus: No status is associated to B_MISC type of building.\n");
    } else if (buildingType < MAX_BUILDING_TYPE) {
        assert(base);
        base->hasBuilding[buildingType] = newStatus;
        cgi->Com_DPrintf(DEBUG_CLIENT, "B_SetBuildingStatus: set status for %i to %i\n", buildingType, newStatus);
    } else {
        cgi->Com_Printf("B_SetBuildingStatus: Type of building %i does not exist\n", buildingType);
    }
}

float B_GetMaxBuildingLevel (const base_t* base, const buildingType_t type)
{
    float max = 0.0f;

    if (B_GetBuildingStatus(base, type)) {
        building_t* building = nullptr;
        while ((building = B_GetNextBuildingByType(base, building, type)))
            if (building->buildingStatus == B_STATUS_WORKING)
                max = std::max(building->level, max);
    }

    return max;
}

static inline void B_AddMap (char* maps, size_t mapsLength, char* coords, size_t coordsLength, const char* map, int col, int row)
{
    Q_strcat(coords, coordsLength, "%i %i %i ", col * BASE_TILE_UNITS, (BASE_SIZE - row - 1) * BASE_TILE_UNITS, 0);
    Q_strcat(maps, mapsLength, "%s", map);
}

bool B_AssembleMap (char* maps, size_t mapsLength, char* coords, size_t coordsLength, const base_t* base)
{
    if (!base) {
        cgi->Com_Printf("B_AssembleMap: No base to assemble\n");
        return false;
    }

    maps[0] = '\0';
    coords[0] = '\0';

    for (int row = 0; row < BASE_SIZE; row++) {
        for (int col = 0; col < BASE_SIZE; col++) {
            const building_t* building = B_GetBuildingAt(base, col, row);
            if (!building) {
                B_AddMap(maps, mapsLength, coords, coordsLength, "b/empty ", col, row);
                continue;
            }
            if (building->pos[0] != col || building->pos[1] != row)
                continue;
            if (!B_IsBuildingBuiltUp(building)) {
                B_AddMap(maps, mapsLength, coords, coordsLength, "b/construction ", col, row);
                continue;
            }
            if (!building->mapPart)
                cgi->Com_Error(ERR_DROP, "MapPart for building '%s' is missing'", building->id);
            B_AddMap(maps, mapsLength, coords, coordsLength, va("b/%s ", building->mapPart), col, row);
        }
    }

    return true;
}

static bool B_CheckUpdateBuilding (building_t* building)
{
    bool oldValue;

    assert(building);

    /* Status of Miscellenious buildings cannot change. */
    if (building->buildingType == B_MISC)
        return false;

    oldValue = B_GetBuildingStatus(building->base, building->buildingType);
    if (building->buildingStatus == B_STATUS_WORKING
     && B_CheckBuildingDependencesStatus(building))
        B_SetBuildingStatus(building->base, building->buildingType, true);
    else
        B_SetBuildingStatus(building->base, building->buildingType, false);

    if (B_GetBuildingStatus(building->base, building->buildingType) != oldValue) {
        cgi->Com_DPrintf(DEBUG_CLIENT, "Status of building %s is changed to %i.\n",
            building->name, B_GetBuildingStatus(building->base, building->buildingType));
        return true;
    }

    return false;
}

static bool B_UpdateStatusBuilding (base_t* base, buildingType_t buildingType, bool onBuilt)
{
    bool test = false;
    bool returnValue = false;
    building_t* building = nullptr;

    /* Construction / destruction may have changed the status of other building
     * We check that, but only for buildings which needed building */
    while ((building = B_GetNextBuilding(base, building))) {
        const building_t* dependsBuilding = building->dependsBuilding;
        if (dependsBuilding && buildingType == dependsBuilding->buildingType) {
            /* ccs.buildings[base->idx][i] needs built/removed building */
            if (onBuilt && !B_GetBuildingStatus(base, building->buildingType)) {
                /* we can only activate a non operational building */
                if (B_CheckUpdateBuilding(building)) {
                    B_FireEvent(building, base, B_ONENABLE);
                    test = true;
                    returnValue = true;
                }
            } else if (!onBuilt && B_GetBuildingStatus(base, building->buildingType)) {
                /* we can only deactivate an operational building */
                if (B_CheckUpdateBuilding(building)) {
                    B_FireEvent(building, base, B_ONDISABLE);
                    test = true;
                    returnValue = true;
                }
            }
        }
    }
    /* and maybe some updated status have changed status of other building.
     * So we check again, until nothing changes. (no condition here for check, it's too complex) */
    while (test) {
        test = false;
        building = nullptr;
        while ((building = B_GetNextBuilding(base, building))) {
            if (onBuilt && !B_GetBuildingStatus(base, building->buildingType)) {
                /* we can only activate a non operational building */
                if (B_CheckUpdateBuilding(building)) {
                    B_FireEvent(building, base, B_ONENABLE);
                    test = true;
                }
            } else if (!onBuilt && B_GetBuildingStatus(base, building->buildingType)) {
                /* we can only deactivate an operational building */
                if (B_CheckUpdateBuilding(building)) {
                    B_FireEvent(building, base, B_ONDISABLE);
                    test = true;
                }
            }
        }
    }

    return returnValue;
}

static void B_UpdateAntimatterCap (base_t* base)
{
    const objDef_t* od = INVSH_GetItemByID(ANTIMATTER_ITEM_ID);
    if (od != nullptr)
        CAP_SetCurrent(base, CAP_ANTIMATTER, B_ItemInBase(od, base));
}

void B_ResetAllStatusAndCapacities (base_t* base, bool firstEnable)
{
    bool test = true;

    assert(base);

    cgi->Com_DPrintf(DEBUG_CLIENT, "Reseting base %s:\n", base->name);

    /* reset all values of hasBuilding[] */
    for (int i = 0; i < MAX_BUILDING_TYPE; i++) {
        const buildingType_t type = (buildingType_t)i;
        if (type != B_MISC)
            B_SetBuildingStatus(base, type, false);
    }
    /* activate all buildings that needs to be activated */
    while (test) {
        building_t* building = nullptr;
        test = false;
        while ((building = B_GetNextBuilding(base, building))) {
            if (!B_GetBuildingStatus(base, building->buildingType)
             && B_CheckUpdateBuilding(building)) {
                if (firstEnable)
                    B_FireEvent(building, base, B_ONENABLE);
                test = true;
            }
        }
    }

    /* Update all capacities of base */
    B_UpdateBaseCapacities(MAX_CAP, base);

    /* calculate capacities.cur for every capacity */

    /* Current CAP_ALIENS (live alien capacity) is managed by AlienContainment class */
    /* Current aircraft capacities should not need recounting */

    if (B_GetBuildingStatus(base, B_GetBuildingTypeByCapacity(CAP_EMPLOYEES)))
        CAP_SetCurrent(base, CAP_EMPLOYEES, E_CountAllHired(base, true));

    if (B_GetBuildingStatus(base, B_GetBuildingTypeByCapacity(CAP_ITEMS)))
        CAP_UpdateStorageCap(base);

    if (B_GetBuildingStatus(base, B_GetBuildingTypeByCapacity(CAP_LABSPACE)))
        CAP_SetCurrent(base, CAP_LABSPACE, RS_CountScientistsInBase(base));

    if (B_GetBuildingStatus(base, B_GetBuildingTypeByCapacity(CAP_WORKSPACE)))
        PR_UpdateProductionCap(base);

    if (B_GetBuildingStatus(base, B_GetBuildingTypeByCapacity(CAP_ANTIMATTER)))
        B_UpdateAntimatterCap(base);

    /* Check that current capacity is possible -- if we changed values in *.ufo */
    for (int i = 0; i < MAX_CAP; i++) {
        const baseCapacities_t cap = (baseCapacities_t)i;
        if (CAP_GetFreeCapacity(base, cap) < 0)
            cgi->Com_Printf("B_ResetAllStatusAndCapacities: Warning, capacity of %i is bigger than maximum capacity\n", i);
    }
}

bool B_BuildingDestroy (building_t* building)
{
    /* Don't allow to destroy a mandatory building. */
    if (building->mandatory)
        return false;

    base_t* base = building->base;

    if (base->map[(int)building->pos[1]][(int)building->pos[0]].building != building) {
        cgi->Com_Error(ERR_DROP, "B_BuildingDestroy: building mismatch at base %i pos %i,%i.",
            base->idx, (int)building->pos[0], (int)building->pos[1]);
    }

    /* Refuse destroying if it hurts coherency - only exception is when the whole base destroys */
    if (!B_IsBuildingDestroyable(building)) {
        return false;
    }

    /* liquidation rate gives back percentage of the worth of a building when it's recycled. Making replacing buildings more practical */
    CP_UpdateCredits(ccs.credits + building->fixCosts * ccs.curCampaign->liquidationRate);

    const buildingType_t buildingType = building->buildingType;
    const building_t* buildingTemplate = building->tpl;
    const bool runDisableCommand = building->buildingStatus == B_STATUS_WORKING;
    building->buildingStatus = B_STATUS_NOT_SET;

    int const baseIDX = base->idx;
    building_t* const buildings = ccs.buildings[baseIDX];
    int const idx = building->idx;

    for (int y = building->pos[1]; y < building->pos[1] + building->size[1]; y++)
        for (int x = building->pos[0]; x < building->pos[0] + building->size[0]; x++)
            base->map[y][x].building = nullptr;

    REMOVE_ELEM(buildings, idx, ccs.numBuildings[baseIDX]);

    /* Update the link of other buildings */
    const int cntBldgs = ccs.numBuildings[baseIDX];
    for (int i = 0; i < cntBldgs; i++) {
        building_t* bldg = &buildings[i];
        if (bldg->idx < idx)
            continue;
        bldg->idx--;

        for (int y = bldg->pos[1]; y < bldg->pos[1] + bldg->size[1]; y++)
            for (int x = (int)bldg->pos[0]; x < bldg->pos[0] + bldg->size[0]; x++)
                base->map[y][x].building = bldg;
    }
    building = nullptr;

    /* Don't use the building pointer after this point - it's zeroed. */

    if (buildingType != B_MISC && buildingType != MAX_BUILDING_TYPE) {
        if (B_GetNumberOfBuildingsInBaseByBuildingType(base, buildingType) <= 0) {
            /* there is no more building of this type */
            B_SetBuildingStatus(base, buildingType, false);
            /* check if this has an impact on other buildings */
            B_UpdateStatusBuilding(base, buildingType, false);
            /* we may have changed status of several building: update all capacities */
            B_UpdateBaseCapacities(MAX_CAP, base);
        } else {
            /* there is still at least one other building of the same type in base: just update capacity */
            const baseCapacities_t cap = B_GetCapacityFromBuildingType(buildingType);
            if (cap != MAX_CAP)
                B_UpdateBaseCapacities(cap, base);
        }
    }

    /* call ondisable trigger only if building is not under construction
     * (we do that after base capacity has been updated) */
    if (runDisableCommand) {
        if (B_FireEvent(buildingTemplate, base, B_ONDISABLE))
            cgi->Com_DPrintf(DEBUG_CLIENT, "B_BuildingDestroy: %s %i %i;\n",    buildingTemplate->onDisable, base->idx, buildingType);
    }
    if (B_FireEvent(buildingTemplate, base, B_ONDESTROY))
        cgi->Com_DPrintf(DEBUG_CLIENT, "B_BuildingDestroy: %s %i %i;\n",    buildingTemplate->onDestroy, base->idx, buildingType);

    CAP_CheckOverflow();

    cgi->Cmd_ExecuteString("base_init %d", base->idx);

    return true;
}

static void B_MoveAircraftOnGeoscapeToOtherBases (const base_t* base)
{
    AIR_ForeachFromBase(aircraft, base) {
        if (!AIR_IsAircraftOnGeoscape(aircraft))
            continue;
        base_t* newbase = nullptr;
        bool moved = false;
        while ((newbase = B_GetNext(newbase)) != nullptr) {
            /* found a new homebase? */
            if (base != newbase && !AIR_CheckMoveIntoNewHomebase(aircraft, newbase)) {
                AIR_MoveAircraftIntoNewHomebase(aircraft, newbase);
                moved = true;
                break;
            }
        }

        if (moved)
            continue;

        /* No base can hold this aircraft */
        UFO_NotifyPhalanxAircraftRemoved(aircraft);
        if (!MapIsWater(GEO_GetColor(aircraft->pos, MAPTYPE_TERRAIN, nullptr))) {
            CP_SpawnRescueMission(aircraft, nullptr);
        } else {
            /* Destroy the aircraft and everything onboard - the aircraft pointer
             * is no longer valid after this point */
            AIR_DestroyAircraft(aircraft);
        }
    }
}

void B_Delete (base_t* base)
{
    assert(base);

    if (base->alienContainment != nullptr) {
        delete base->alienContainment;
        base->alienContainment = nullptr;
    }
}

void B_Destroy (base_t* base)
{
    assert(base);
    base->baseStatus = BASE_DESTROYED;

    CP_MissionNotifyBaseDestroyed(base);
    B_MoveAircraftOnGeoscapeToOtherBases(base);

    /* do a reverse loop as buildings are going to be destroyed */
    for (int buildingIdx = ccs.numBuildings[base->idx] - 1; buildingIdx >= 0; buildingIdx--) {
        building_t* building = B_GetBuildingByIDX(base->idx, buildingIdx);
        B_BuildingDestroy(building);
    }

    E_DeleteAllEmployees(base);

    AIR_ForeachFromBase(aircraft, base) {
        AIR_DeleteAircraft(aircraft);
    }

    OBJZERO(base->storage);
    CAP_SetCurrent(base, CAP_ITEMS, 0);

    base->alienInterest = 0;

    B_Delete(base);
}

#ifdef DEBUG

static void B_Destroy_f (void)
{
    if (cgi->Cmd_Argc() < 2) {
        cgi->Com_Printf("Usage: %s <baseIdx>\n", cgi->Cmd_Argv(0));
        return;
    }

    const int baseIdx = atoi(cgi->Cmd_Argv(1));
    if (baseIdx < 0 || baseIdx >= MAX_BASES) {
        cgi->Com_Printf("B_Destroy_f: baseIdx %i is outside bounds\n", baseIdx);
        return;
    }

    base_t* base = B_GetFoundedBaseByIDX(baseIdx);
    if (!base) {
        cgi->Com_Printf("B_Destroy_f: Base %i not founded\n", baseIdx);
        return;
    }

    B_Destroy(base);
}
#endif

static void B_UpdateAllBaseBuildingStatus (building_t* building, buildingStatus_t status)
{
    building->buildingStatus = status;

    /* we update the status of the building (we'll call this building building 1) */
    const bool test = B_CheckUpdateBuilding(building);
    if (test) {
        base_t* base = building->base;
        B_FireEvent(building, base, B_ONENABLE);
        /* now, the status of this building may have changed the status of other building.
         * We check that, but only for buildings which needed building 1 */
        B_UpdateStatusBuilding(base, building->buildingType, true);
        /* we may have changed status of several building: update all capacities */
        B_UpdateBaseCapacities(MAX_CAP, base);
    } else {
        /* no other status than status of building 1 has been modified
         * update only status of building 1 */
        const baseCapacities_t cap = B_GetCapacityFromBuildingType(building->buildingType);
        if (cap != MAX_CAP) {
            base_t* base = building->base;
            B_UpdateBaseCapacities(cap, base);
        }
    }
}

static void B_AddBuildingToBasePos (base_t* base, const building_t* buildingTemplate, bool hire, const vec2_t pos)
{
    /* new building in base (not a template) */
    building_t* buildingNew;

    buildingNew = B_BuildBuilding(base, buildingTemplate, (int)pos[0], (int)pos[1]);
    if (!buildingNew)
        return;
    buildingNew->timeStart = DateTime(0, 0);
    B_UpdateAllBaseBuildingStatus(buildingNew, B_STATUS_WORKING);
    cgi->Com_DPrintf(DEBUG_CLIENT, "Base %i new building: %s at (%.0f:%.0f)\n",
        base->idx, buildingNew->id, buildingNew->pos[0], buildingNew->pos[1]);

    if (hire)
        E_HireForBuilding(base, buildingNew, -1);

    /* now call the onenable trigger */
    if (B_FireEvent(buildingNew, base, B_ONENABLE))
        cgi->Com_DPrintf(DEBUG_CLIENT, "B_AddBuildingToBasePos: %s %i;\n", buildingNew->onEnable, base->idx);
}

static void B_BuildFromTemplate (base_t* base, const char* templateName, bool hire)
{
    const baseTemplate_t* baseTemplate = B_GetBaseTemplate(templateName);
    int freeSpace = BASE_SIZE * BASE_SIZE;

    assert(base);

    if (baseTemplate) {
        /* find each building in the template */
        for (int i = 0; i < baseTemplate->numBuildings; i++) {
            const baseBuildingTile_t* buildingTile = &baseTemplate->buildings[i];

            if (base->map[buildingTile->posY][buildingTile->posX].building)
                continue;

            vec2_t pos;
            Vector2Set(pos, buildingTile->posX, buildingTile->posY);
            B_AddBuildingToBasePos(base, buildingTile->building, hire, pos);
            freeSpace--;
        }
    }

    /* we need to set up the mandatory buildings */
    for (int i = 0; i < ccs.numBuildingTemplates; i++) {
        building_t* building = &ccs.buildingTemplates[i];
        vec2_t pos;

        if (!building->mandatory || B_GetBuildingStatus(base, building->buildingType))
            continue;

        while (freeSpace > 0 && !B_GetBuildingStatus(base, building->buildingType)) {
            const int x = rand() % BASE_SIZE;
            const int y = rand() % BASE_SIZE;
            Vector2Set(pos, x, y);
            if (base->map[y][x].building)
                continue;
            B_AddBuildingToBasePos(base, building, hire, pos);
            freeSpace--;
        }
        if (!B_GetBuildingStatus(base, building->buildingType))
            cgi->Com_Error(ERR_DROP, "B_BuildFromTemplate: Cannot build base. No space for it's buildings!");
    }

    /* set building tile positions */
    for (int i = 0; i < BASE_SIZE; i++) {
        for (int j = 0; j < BASE_SIZE; j++) {
            base->map[i][j].posY = i;
            base->map[i][j].posX = j;
        }
    }

    /* Create random blocked fields in the base.
     * The first base never has blocked fields so we skip it. */
    if (ccs.campaignStats.basesBuilt >= 1) {
        const int j = round((frand() * (MAX_BLOCKEDFIELDS - MIN_BLOCKEDFIELDS)) + MIN_BLOCKEDFIELDS);
        B_AddBlockedTiles(base, j);
    }
}

void B_SetUpFirstBase (const campaign_t* campaign, base_t* base)
{
    const equipDef_t* ed;

    /* Find the initial equipment definition for current campaign. */
    ed = cgi->INV_GetEquipmentDefinitionByID(campaign->equipment);
    /* Copy it to base storage. */
    base->storage = *ed;

    /* Add aircraft to the first base */
    LIST_Foreach(campaign->initialCraft, const char, aircraftName) {
        const aircraft_t* tempAircraft = AIR_GetAircraft(aircraftName);
        const baseCapacities_t craftCap = AIR_GetHangarCapacityType(tempAircraft);

        if (craftCap == MAX_CAP || CAP_GetFreeCapacity(base, craftCap) < 1)  {
            cgi->Com_Printf("B_SetUpFirstBase: Cannot add %s aircraft to the base, no free space", tempAircraft->id);
            continue;
        }

        CP_UpdateCredits(ccs.credits - tempAircraft->price);
        aircraft_t* aircraft = AIR_NewAircraft(base, tempAircraft);
        /* refuel initial aicraft instantly */
        aircraft->fuel = aircraft->stats[AIR_STATS_FUELSIZE];
        if (!E_HireEmployeeByType(base, EMPL_PILOT))
            cgi->Com_Error(ERR_DROP, "B_SetUpFirstBase: Hiring pilot failed.");

        /* arm interceptor */
        if (craftCap == CAP_AIRCRAFT_SMALL) {
            AIM_AutoEquipAircraft(aircraft);
            continue;
        }

        /* assign team to the dropship */
        if (craftCap == CAP_AIRCRAFT_BIG) {
            const equipDef_t* equipDef = cgi->INV_GetEquipmentDefinitionByID(campaign->soldierEquipment);
            AIR_AssignInitial(aircraft);
            B_InitialEquipment(aircraft, equipDef);
            continue;
        }
    }
}

int B_GetInstallationLimit (void)
{
    int limit = 0;
    base_t* base = nullptr;

    /* count working Command Centers */
    while ((base = B_GetNext(base)) != nullptr) {
        if (B_GetBuildingStatus(base, B_COMMAND))
            limit++;
    }

    return limit * MAX_INSTALLATIONS_PER_BASE;
}

void B_SetName (base_t* base, const char* name)
{
    Q_strncpyz(base->name, name, sizeof(base->name));
}

base_t* B_Build (const campaign_t* campaign, const vec2_t pos, const char* name, bool fillBase)
{
    if (!campaign)
        cgi->Com_Error(ERR_DROP, "You can only build a base in an active campaign");

    base_t* base = B_GetFirstUnfoundedBase();
    if (!base)
        cgi->Com_Error(ERR_DROP, "Cannot build more bases");

    B_SetName(base, name);
    Vector2Copy(pos, base->pos);

    base->idx = ccs.campaignStats.basesBuilt;
    base->founded = true;

    /* increase this early because a lot of functions rely on this
     * value to get the base we are setting up here */
    ccs.numBases++;

    /* reset capacities */
    for (int i = 0; i < MAX_CAP; i++) {
        const baseCapacities_t cap = (baseCapacities_t)i;
        CAP_SetCurrent(base, cap, 0);
    }

    /* setup for first base */
    if (ccs.campaignStats.basesBuilt == 0 || fillBase) {
        if (campaign->firstBaseTemplate[0] == '\0')
            cgi->Com_Error(ERR_DROP, "No base template for setting up the first base given");
        B_BuildFromTemplate(base, campaign->firstBaseTemplate, true);
    } else {
        B_BuildFromTemplate(base, nullptr, true);
    }
    base->baseStatus = BASE_WORKING;

    /* a new base is not discovered (yet) */
    base->alienInterest = BASE_INITIALINTEREST;

    BDEF_InitialiseBaseSlots(base);

    /* Reset Radar range */
    const float level = B_GetMaxBuildingLevel(base, B_RADAR);
    RADAR_Initialise(&base->radar, RADAR_BASERANGE, RADAR_BASETRACKINGRANGE, level, false);
    RADAR_InitialiseUFOs(&base->radar);

    B_ResetAllStatusAndCapacities(base, true);

    PR_UpdateProductionCap(base);

    ccs.campaignStats.basesBuilt++;

    B_SetCurrentSelectedBase(base);

    return base;
}

const baseTemplate_t* B_GetBaseTemplate (const char* baseTemplateID)
{
    if (!baseTemplateID)
        return nullptr;

    for (int i = 0; i < ccs.numBaseTemplates; i++)
        if (Q_streq(ccs.baseTemplates[i].id, baseTemplateID))
            return &ccs.baseTemplates[i];

    cgi->Com_Printf("Base Template %s not found\n", baseTemplateID);
    return nullptr;
}

bool B_MapIsCellFree (const base_t* base, int col, int row)
{
    return col >= 0 && col < BASE_SIZE
     && row >= 0 && row < BASE_SIZE
     && B_GetBuildingAt(base, col, row) == nullptr
     && !B_IsTileBlocked(base, col, row);
}

building_t* B_BuildBuilding (base_t* base, const building_t* buildingTemplate, int col, int row)
{
    if (!base)
        cgi->Com_Error(ERR_DROP, "no current base\n");
    if (!buildingTemplate)
        cgi->Com_Error(ERR_DROP, "no current building\n");

    if (row < 0 || row >= BASE_SIZE || col < 0 || col >= BASE_SIZE)
        return nullptr;
    if (col + buildingTemplate->size[0] > BASE_SIZE)
        return nullptr;
    if (row + buildingTemplate->size[1] > BASE_SIZE)
        return nullptr;
    if (!CP_CheckCredits(buildingTemplate->fixCosts))
        return nullptr;

    for (int y = row; y < row + buildingTemplate->size[1]; y++)
        for (int x = col; x < col + buildingTemplate->size[0]; x++)
            if (B_GetBuildingAt(base, x, y) != nullptr || B_IsTileBlocked(base, x, y))
                return nullptr;

    /* new building in base (not a template) */
    building_t* buildingNew = B_GetBuildingByIDX(base->idx, ccs.numBuildings[base->idx]);
    /* copy building from template list to base-buildings-list */
    *buildingNew = *buildingTemplate;
    /* self-link to building-list in base */
    buildingNew->idx = B_GetBuildingIDX(base, buildingNew);
    buildingNew->base = base;
    buildingNew->pos[0] = col;
    buildingNew->pos[1] = row;

    /* Refuse adding if it hurts coherency */
    if (base->baseStatus == BASE_WORKING) {
        linkedList_t* neighbours;
        bool coherent = false;

        neighbours = B_GetNeighbours(buildingNew);
        LIST_Foreach(neighbours, building_t, bldg) {
            if (B_IsBuildingBuiltUp(bldg)) {
                coherent = true;
                break;
            }
        }
        cgi->LIST_Delete(&neighbours);

        if (!coherent)
            return nullptr;
    }

    /* set building position */
    for (int y = row; y < row + buildingNew->size[1]; y++)
        for (int x = col; x < col + buildingNew->size[0]; x++)
            base->map[y][x].building = buildingNew;


    /* status and build (start) time */
    buildingNew->buildingStatus = B_STATUS_UNDER_CONSTRUCTION;
    buildingNew->timeStart = DateTime(ccs.date);

    CP_UpdateCredits(ccs.credits - buildingNew->fixCosts);
    ccs.numBuildings[base->idx]++;

    cgi->Cmd_ExecuteString("base_init %d", base->idx);
    B_FireEvent(buildingNew, base, B_ONCONSTRUCT);

    return buildingNew;
}

int B_GetNumberOfBuildingsInBaseByTemplate (const base_t* base, const building_t* tpl)
{
    if (!base) {
        cgi->Com_Printf("B_GetNumberOfBuildingsInBaseByTemplate: No base given!\n");
        return -1;
    }

    if (!tpl) {
        cgi->Com_Printf("B_GetNumberOfBuildingsInBaseByTemplate: no building-type given!\n");
        return -1;
    }

    /* Check if the template really is one. */
    if (tpl != tpl->tpl) {
        cgi->Com_Printf("B_GetNumberOfBuildingsInBaseByTemplate: No building-type given as parameter. It's probably a normal building!\n");
        return -1;
    }

    int numberOfBuildings = 0;
    building_t* building = nullptr;
    while ((building = B_GetNextBuilding(base, building))) {
        if (building->tpl == tpl && building->buildingStatus != B_STATUS_NOT_SET)
            numberOfBuildings++;
    }
    return numberOfBuildings;
}

int B_GetNumberOfBuildingsInBaseByBuildingType (const base_t* base, const buildingType_t buildingType)
{
    if (!base) {
        cgi->Com_Printf("B_GetNumberOfBuildingsInBaseByBuildingType: No base given!\n");
        return -1;
    }

    if (buildingType >= MAX_BUILDING_TYPE) {
        cgi->Com_Printf("B_GetNumberOfBuildingsInBaseByBuildingType: no sane building-type given!\n");
        return -1;
    }

    int numberOfBuildings = 0;
    building_t* building = nullptr;
    while ((building = B_GetNextBuildingByType(base, building, buildingType)))
        if (building->buildingStatus != B_STATUS_NOT_SET)
            numberOfBuildings++;

    return numberOfBuildings;
}

const building_t* B_GetBuildingInBaseByType (const base_t* base, buildingType_t buildingType, bool onlyWorking)
{
    /* we maybe only want to get the working building (e.g. it might the
     * case that we don't have a powerplant and thus the searched building
     * is not functional) */
    if (onlyWorking && !B_GetBuildingStatus(base, buildingType))
        return nullptr;

    building_t* building = nullptr;
    while ((building = B_GetNextBuildingByType(base, building, buildingType)))
        return building;

    return nullptr;
}

void B_ParseBaseTemplate (const char* name, const char** text)
{
    const char* errhead = "B_ParseBaseTemplate: unexpected end of file (names ";
    const char* token;
    baseTemplate_t* baseTemplate;
    vec2_t pos;
    bool map[BASE_SIZE][BASE_SIZE];
    byte buildingNums[MAX_BUILDINGS];

    /* get token */
    token = Com_Parse(text);

    if (!*text || *token != '{') {
        cgi->Com_Printf("B_ParseBaseTemplate: Template \"%s\" without body ignored\n", name);
        return;
    }

    if (ccs.numBaseTemplates >= MAX_BASETEMPLATES)
        cgi->Com_Error(ERR_DROP, "B_ParseBaseTemplate: too many base templates");

    /* create new Template */
    baseTemplate = &ccs.baseTemplates[ccs.numBaseTemplates];
    baseTemplate->id = cgi->PoolStrDup(name, cp_campaignPool, 0);

    /* clear map for checking duplicate positions and buildingNums for checking moreThanOne constraint */
    OBJZERO(map);
    OBJZERO(buildingNums);

    ccs.numBaseTemplates++;

    do {
        /* get the building */
        token = cgi->Com_EParse(text, errhead, baseTemplate->id);
        if (!*text)
            break;
        if (*token == '}')
            break;

        if (!Q_streq(token, "building")) {
            cgi->Com_Error(ERR_DROP, "B_ParseBaseTemplate: \"building\" token expected but \"%s\" found", token);
        }

        linkedList_t* list;
        if (!cgi->Com_ParseList(text, &list)) {
            cgi->Com_Error(ERR_DROP, "B_ParseBaseTemplate: error while reading building tuple");
        }

        if (cgi->LIST_Count(list) != 2) {
            cgi->Com_Error(ERR_DROP, "B_ParseBaseTemplate: building tuple must contains 2 elements (id pos)");
        }

        const char* buildingToken = (char*)list->data;
        const char* positionToken = (char*)list->next->data;

        if (baseTemplate->numBuildings >= MAX_BASEBUILDINGS)
            cgi->Com_Error(ERR_DROP, "B_ParseBaseTemplate: too many buildings");

        /* check if building type is known */
        baseBuildingTile_t* tile = &baseTemplate->buildings[baseTemplate->numBuildings];
        baseTemplate->numBuildings++;

        for (int i = 0; i < ccs.numBuildingTemplates; i++)
            if (Q_streq(ccs.buildingTemplates[i].id, buildingToken)) {
                tile->building = &ccs.buildingTemplates[i];
                if (tile->building->maxCount >= 0 && tile->building->maxCount <= buildingNums[i])
                    cgi->Com_Error(ERR_DROP, "B_ParseBaseTemplate: Found more %s than allowed in template %s (%d))", buildingToken, baseTemplate->id, tile->building->maxCount);
                buildingNums[i]++;
                break;
            }

        if (!tile->building)
            cgi->Com_Error(ERR_DROP, "B_ParseBaseTemplate: Could not find building with id %s\n", baseTemplate->id);

        /* get the position */
        cgi->Com_EParseValue(pos, positionToken, V_POS, 0, sizeof(vec2_t));
        tile->posX = pos[0];
        tile->posY = pos[1];
        if (tile->posX < 0 || tile->posX >= BASE_SIZE || tile->posY < 0 || tile->posY >= BASE_SIZE)
            cgi->Com_Error(ERR_DROP, "Invalid template coordinates for building %s in template %s given",
                    tile->building->id, baseTemplate->id);

        /* check for buildings on same position */
        if (map[tile->posY][tile->posX])
            cgi->Com_Error(ERR_DROP, "Base template '%s' has ambiguous positions for buildings set.", baseTemplate->id);
        map[tile->posY][tile->posX] = true;

        cgi->LIST_Delete(&list);
    } while (*text);

    /* templates without the must-have buildings can't be used */
    for (int i = 0; i < ccs.numBuildingTemplates; i++) {
        const building_t* building = &ccs.buildingTemplates[i];
        if (building && building->mandatory && !buildingNums[i]) {
            cgi->Com_Error(ERR_DROP, "Every base template needs one '%s'! '%s' has none.", building->id, baseTemplate->id);
        }
    }
}

base_t* B_GetFirstUnfoundedBase (void)
{
    for (int baseIdx = 0; baseIdx < MAX_BASES; baseIdx++) {
        base_t* base = B_GetBaseByIDX(baseIdx);
        if (!base->founded)
            return base;
    }

    return nullptr;
}

void B_SetCurrentSelectedBase (const base_t* base)
{
    base_t* b = nullptr;
    while ((b = B_GetNext(b)) != nullptr) {
        if (b == base) {
            b->selected = true;
            if (b->aircraftCurrent == nullptr)
                b->aircraftCurrent = AIR_GetFirstFromBase(b);
        } else
            b->selected = false;
    }

    if (base) {
        INS_SetCurrentSelectedInstallation(nullptr);
        cgi->Cvar_Set("mn_base_title", "%s", base->name);
        cgi->Cvar_SetValue("mn_base_status_id", base->baseStatus);
    } else {
        cgi->Cvar_Set("mn_base_title", "");
        cgi->Cvar_Set("mn_base_status_id", "");
    }
}

base_t* B_GetCurrentSelectedBase (void)
{
    base_t* base = nullptr;
    while ((base = B_GetNext(base)) != nullptr)
        if (base->selected)
            return base;

    return nullptr;
}

void B_SelectBase (const base_t* base)
{
    /* set up a new base */
    if (!base) {
        /* if player hit the "create base" button while creating base mode is enabled
         * that means that player wants to quit this mode */
        if (ccs.mapAction == MA_NEWBASE) {
            GEO_ResetAction();
            return;
        }

        if (B_GetCount() < MAX_BASES) {
            /* show radar overlay (if not already displayed) */
            if (!GEO_IsRadarOverlayActivated())
                GEO_SetOverlay("radar", 1);
            ccs.mapAction = MA_NEWBASE;
        } else {
            ccs.mapAction = MA_NONE;
        }
    } else {
        cgi->Com_DPrintf(DEBUG_CLIENT, "B_SelectBase_f: select base with id %i\n", base->idx);
        ccs.mapAction = MA_NONE;
        cgi->Cmd_ExecuteString("ui_push bases %d", base->idx);
        B_SetCurrentSelectedBase(base);
    }
}

static void CL_SwapSkill (character_t* cp1, character_t* cp2, abilityskills_t skill)
{
    int tmp1, tmp2;
    tmp1 = cp1->score.skills[skill];
    tmp2 = cp2->score.skills[skill];
    cp1->score.skills[skill] = tmp2;
    cp2->score.skills[skill] = tmp1;

    tmp1 = cp1->score.initialSkills[skill];
    tmp2 = cp2->score.initialSkills[skill];
    cp1->score.initialSkills[skill] = tmp2;
    cp2->score.initialSkills[skill] = tmp1;

    tmp1 = cp1->score.experience[skill];
    tmp2 = cp2->score.experience[skill];
    cp1->score.experience[skill] = tmp2;
    cp2->score.experience[skill] = tmp1;
}

static void CL_DoSwapSkills (character_t* cp1, character_t* cp2, const abilityskills_t skill)
{
    if (cp1->score.skills[skill] < cp2->score.skills[skill])
        CL_SwapSkill(cp1, cp2, skill);

    switch (skill) {
    case SKILL_CLOSE:
        if (cp1->score.skills[ABILITY_SPEED] < cp2->score.skills[ABILITY_SPEED])
            CL_SwapSkill(cp1, cp2, ABILITY_SPEED);
        break;
#if 0
    case SKILL_HEAVY:
        if (cp1->score.skills[ABILITY_POWER] < cp2->score.skills[ABILITY_POWER])
            CL_SwapSkill(cp1, cp2, ABILITY_POWER);
        break;
#endif
    case SKILL_ASSAULT:
        /* no related basic attribute */
        break;
    case SKILL_SNIPER:
        if (cp1->score.skills[ABILITY_ACCURACY] < cp2->score.skills[ABILITY_ACCURACY])
            CL_SwapSkill(cp1, cp2, ABILITY_ACCURACY);
        break;
    case SKILL_EXPLOSIVE:
        if (cp1->score.skills[ABILITY_MIND] < cp2->score.skills[ABILITY_MIND])
            CL_SwapSkill(cp1, cp2, ABILITY_MIND);
        break;
    default:
        cgi->Com_Error(ERR_DROP, "CL_SwapSkills: illegal skill %i.\n", skill);
    }
}

static int CL_GetSkillIndicator (const character_t* chr, abilityskills_t skill)
{
    const fireDef_t* fdRight = nullptr;
    const fireDef_t* fdHolster = nullptr;
    const Item* rightHand = chr->inv.getRightHandContainer();
    const Item* holster = chr->inv.getHolsterContainer();

    if (rightHand && rightHand->ammoDef() && rightHand->def())
        fdRight = rightHand->getFiredefs();
    if (holster && holster->ammoDef() && holster->def())
        fdHolster = holster->getFiredefs();
    /* disregard left hand, or dual-wielding guys are too good */

    if (fdHolster == nullptr)
        return -1;
    if (fdRight == nullptr)
        return -1;

    const byte fmode1 = 0;
    const byte fmode2 = 1;
    int no = 0;
    if (rightHand != nullptr) {
        const fireDef_t* fd = rightHand->ammoDef()->fd[fdRight->weapFdsIdx];
        no += 2 * (skill == fd[fmode1].weaponSkill);
        no += 2 * (skill == fd[fmode2].weaponSkill);
    }
    if (holster != nullptr && holster->isReloadable()) {
        const fireDef_t* fd = holster->ammoDef()->fd[fdHolster->weapFdsIdx];
        no += (skill == fd[fmode1].weaponSkill);
        no += (skill == fd[fmode2].weaponSkill);
    }
    return no;
}

static void CL_SwapSkills (linkedList_t* team)
{
    const int teamSize = cgi->LIST_Count(team);

    for (int i = 0; i < teamSize; i++) {
        /* running the loops below is not enough, we need transitive closure */
        /* I guess num times is enough --- could anybody prove this? */
        /* or perhaps 2 times is enough as long as weapons have 1 skill? */
        for (int x = ABILITY_NUM_TYPES; x < SKILL_NUM_TYPES; x++) {
            const abilityskills_t skill = (abilityskills_t)x;
            LIST_Foreach(team, character_t, cp1) {
                if (cp1__iter == nullptr)
                    continue;

                const int no1 = CL_GetSkillIndicator(cp1, skill);
                if (no1 == -1)
                    continue;

                LIST_Foreach(cp1__iter->next, character_t, cp2) {
                    const int no2 = CL_GetSkillIndicator(cp2, skill);
                    if (no2 == -1)
                        continue;

                    if (no1 > no2 /* more use of this skill */
                         || (no1 && no1 == no2)) { /* or earlier on list */
                        CL_DoSwapSkills(cp1, cp2, skill);
                    } else if (no1 < no2) {
                        CL_DoSwapSkills(cp2, cp1, skill);
                    }
                }
            }
        }
    }
}

static void B_InitialEquipment (aircraft_t* aircraft, const equipDef_t* ed)
{
    base_t* homebase;
    linkedList_t* chrListTemp = nullptr;

    assert(aircraft);
    homebase = aircraft->homebase;
    assert(homebase);
    assert(ed);

    LIST_Foreach(aircraft->acTeam, Employee, employee) {
        character_t* chr = &employee->chr;

        /* pack equipment */
        cgi->Com_DPrintf(DEBUG_CLIENT, "B_InitialEquipment: Packing initial equipment for %s.\n", chr->name);
        cgi->INV_EquipActor(chr, ed, nullptr, cgi->GAME_GetChrMaxLoad(chr));
        cgi->LIST_AddPointer(&chrListTemp, (void*)chr);
    }

    AIR_MoveEmployeeInventoryIntoStorage(*aircraft, homebase->storage);
    CL_SwapSkills(chrListTemp);
    cgi->LIST_Delete(&chrListTemp);
    CAP_UpdateStorageCap(homebase);
}

void B_BaseResetStatus (base_t* const base)
{
    assert(base);
    base->baseStatus = BASE_NOT_USED;
}

#ifdef DEBUG

static void B_BuildingList_f (void)
{
    base_t* base = nullptr;
    while ((base = B_GetNext(base)) != nullptr) {
        cgi->Com_Printf("\nBase id %i: %s\n", base->idx, base->name);
        for (int j = 0; j < ccs.numBuildings[base->idx]; j++) {
            const building_t* building = B_GetBuildingByIDX(base->idx, j);

            cgi->Com_Printf("...Building: %s #%i - id: %i\n", building->id,
                B_GetNumberOfBuildingsInBaseByTemplate(base, building->tpl), base->idx);
            cgi->Com_Printf("...image: %s\n", building->image);
            cgi->Com_Printf(".....Status:\n");

            for (int k = 0; k < BASE_SIZE * BASE_SIZE; k++) {
                if (k > 1 && k % BASE_SIZE == 0)
                    cgi->Com_Printf("\n");
                cgi->Com_Printf("%i ", building->buildingStatus);
                if (!building->buildingStatus)
                    break;
            }
            cgi->Com_Printf("\n");
        }
    }
}

static void B_BaseList_f (void)
{
    base_t* base = nullptr;
    while ((base = B_GetNext(base)) != nullptr) {
        if (!base->founded) {
            cgi->Com_Printf("Base idx %i not founded\n\n", base->idx);
            continue;
        }

        cgi->Com_Printf("Base idx %i\n", base->idx);
        cgi->Com_Printf("Base name %s\n", base->name);
        cgi->Com_Printf("Base founded %i\n", base->founded);
        cgi->Com_Printf("Base numMissileBattery %i\n", base->numBatteries);
        cgi->Com_Printf("Base numLaserBattery %i\n", base->numLasers);
        cgi->Com_Printf("Base radarRange %i\n", base->radar.range);
        cgi->Com_Printf("Base trackingRange %i\n", base->radar.trackingRange);
        cgi->Com_Printf("Base numSensoredAircraft %i\n", base->radar.numUFOs);
        cgi->Com_Printf("Base Alien interest %f\n", base->alienInterest);
        cgi->Com_Printf("Base hasBuilding[]:\n");
        cgi->Com_Printf("Misc  Lab Quar Stor Work Hosp Hang Cont SHgr UHgr SUHg Powr  cgi->Cmd AMtr Entr Miss Lasr  Rdr Team\n");
        for (int j = 0; j < MAX_BUILDING_TYPE; j++) {
            const buildingType_t type = (buildingType_t)j;
            cgi->Com_Printf("  %i  ", B_GetBuildingStatus(base, type));
        }
        cgi->Com_Printf("\n");
        cgi->Com_Printf("Base pos %.02f:%.02f\n", base->pos[0], base->pos[1]);
        cgi->Com_Printf("Base map:\n");
        for (int row = 0; row < BASE_SIZE; row++) {
            if (row > 0)
                cgi->Com_Printf("\n");
            for (int col = 0; col < BASE_SIZE; col++)
                cgi->Com_Printf("%2i (%3i: %3i)  ", (base->map[row][col].building ? base->map[row][col].building->idx : -1),
                    base->map[row][col].posX, base->map[row][col].posY);
        }
        cgi->Com_Printf("\n\n");
    }
}

static void B_PrintCapacities_f (void)
{
    if (cgi->Cmd_Argc() < 2) {
        cgi->Com_Printf("Usage: %s <baseID>\n", cgi->Cmd_Argv(0));
        return;
    }

    const int baseIdx = atoi(cgi->Cmd_Argv(1));
    if (baseIdx >= B_GetCount()) {
        cgi->Com_Printf("invalid baseID (%s)\n", cgi->Cmd_Argv(1));
        return;
    }
    base_t* base = B_GetBaseByIDX(baseIdx);
    for (int i = 0; i < MAX_CAP; i++) {
        const baseCapacities_t cap = (baseCapacities_t)i;
        const buildingType_t buildingType = B_GetBuildingTypeByCapacity(cap);
        if (buildingType >= MAX_BUILDING_TYPE) {
            cgi->Com_Printf("B_PrintCapacities_f: Could not find building associated with capacity %i\n", i);
            continue;
        }
        for (int j = 0; j < ccs.numBuildingTemplates; j++) {
            if (ccs.buildingTemplates[j].buildingType != buildingType)
                continue;

            cgi->Com_Printf("Building: %s, capacity max: %i, capacity cur: %i\n",
                ccs.buildingTemplates[j].id, CAP_GetMax(base, i), CAP_GetCurrent(base, cap));
            break;
        }
    }
}

static void B_BuildingConstructionFinished_f (void)
{
    if (cgi->Cmd_Argc() < 2) {
        cgi->Com_Printf("Usage: %s <baseIDX>\n", cgi->Cmd_Argv(0));
        return;
    }
    base_t* base = B_GetFoundedBaseByIDX(atoi(cgi->Cmd_Argv(1)));
    if (!base) {
        cgi->Com_Printf("Invalid base idx: %s\n", cgi->Cmd_Argv(1));
        return;
    }

    for (int i = 0; i < ccs.numBuildings[base->idx]; i++) {
        building_t* building = B_GetBuildingByIDX(base->idx, i);
        if (building->buildingStatus != B_STATUS_UNDER_CONSTRUCTION)
            continue;

        B_UpdateAllBaseBuildingStatus(building, B_STATUS_WORKING);
        building->timeStart = DateTime(0, 0);
        B_FireEvent(building, base, B_ONENABLE);
    }
    /* update menu */
    B_SelectBase(base);
}

static void B_ResetAllStatusAndCapacities_f (void)
{
    base_t* base;

    base = nullptr;
    while ((base = B_GetNext(base)) != nullptr) {
        /* set buildingStatus[] and capacities.max values */
        B_ResetAllStatusAndCapacities(base, false);
    }
}

static void B_CheckCoherency_f (void)
{
    if (cgi->Cmd_Argc() < 2) {
        cgi->Com_Printf("Usage: %s <baseIDX>\n", cgi->Cmd_Argv(0));
        return;
    }
    base_t* base = B_GetFoundedBaseByIDX(atoi(cgi->Cmd_Argv(1)));
    if (!base) {
        cgi->Com_Printf("Invalid base idx: %s\n", cgi->Cmd_Argv(1));
        return;
    }

    cgi->Com_Printf("Base '%s' (idx:%i) is %scoherent.\n", base->name, base->idx, (B_IsCoherent(base)) ? "" : "not ");
}
#endif

void B_InitStartup (void)
{
#ifdef DEBUG
    cgi->Cmd_AddCommand("debug_listbase", B_BaseList_f, "Print base information to the game console");
    cgi->Cmd_AddCommand("debug_listbuilding", B_BuildingList_f, "Print building information to the game console");
    cgi->Cmd_AddCommand("debug_listcapacities", B_PrintCapacities_f, "Debug function to show all capacities in given base");
    cgi->Cmd_AddCommand("debug_basereset", B_ResetAllStatusAndCapacities_f, "Reset building status and capacities of all bases");
    cgi->Cmd_AddCommand("debug_destroybase", B_Destroy_f, "Destroy a base");
    cgi->Cmd_AddCommand("debug_buildingfinished", B_BuildingConstructionFinished_f, "Finish construction for every building in the current base");
    cgi->Cmd_AddCommand("debug_baseiscoherent", B_CheckCoherency_f, "Checks if all buildings are connected on a base");
#endif
}

static bool B_CheckBuildingConstruction (building_t* building)
{
    if (building->buildingStatus != B_STATUS_UNDER_CONSTRUCTION)
        return false;

    if (!B_IsBuildingBuiltUp(building))
        return false;

    base_t* base = building->base;

    B_UpdateAllBaseBuildingStatus(building, B_STATUS_WORKING);
    if (B_FireEvent(building, base, B_ONENABLE))
        cgi->Com_DPrintf(DEBUG_CLIENT, "B_CheckBuildingConstruction: %s %i;\n", building->onEnable, base->idx);

    return true;
}

void B_UpdateBuildingConstructions (void)
{
    base_t* base = nullptr;
    while ((base = B_GetNext(base)) != nullptr) {
        building_t* building = nullptr;
        while ((building = B_GetNextBuilding(base, building))) {
            if (!B_CheckBuildingConstruction(building))
                continue;

            Com_sprintf(cp_messageBuffer, lengthof(cp_messageBuffer),
                _("Construction of %s building finished in %s."), _(building->name), base->name);
            MSO_CheckAddNewMessage(NT_BUILDING_FINISHED, _("Building finished"), cp_messageBuffer);
        }
    }
}

static void B_SellOrAddItems (aircraft_t* aircraft)
{
    int numitems = 0;
    int gained = 0;

    assert(aircraft);
    base_t* base = aircraft->homebase;
    assert(base);

    if (aircraft->itemCargo == nullptr)
        return;

    linkedList_t* items = aircraft->itemCargo->list();
    LIST_Foreach(items, itemCargo_t, item) {
        technology_t* const tech = RS_GetTechForItem(item->objDef);

        if (!RS_IsResearched_ptr(tech)) {
            /* Items not researched cannot be thrown out even if not enough space in storage. */
            B_AddToStorage(base, item->objDef, item->amount);
            if (item->amount > 0)
                RS_MarkCollected(tech);
            continue;
        } else {
            /* If the related technology is researched, check the autosell option. */
            if (ccs.eMarket.autosell[item->objDef->idx]) { /* Sell items if autosell is enabled. */
                BS_SellItem(item->objDef, nullptr, item->amount);
                gained += BS_GetItemSellingPrice(item->objDef) * item->amount;
                numitems += item->amount;
            } else {
                B_AddToStorage(base, item->objDef, item->amount);
            }
            continue;
        }
    }
    cgi->LIST_Delete(&items);

    if (numitems > 0) {
        Com_sprintf(cp_messageBuffer, lengthof(cp_messageBuffer), _("By selling %s you gathered %i credits."),
            va(ngettext("%i collected item", "%i collected items", numitems), numitems), gained);
        MS_AddNewMessage(_("Notice"), cp_messageBuffer);
    }

    aircraft->itemCargo->empty();

    /* Mark new technologies researchable. */
    RS_MarkResearchable(aircraft->homebase);
    /* Recalculate storage capacity, to fix wrong capacity if a soldier drops something on the ground */
    CAP_UpdateStorageCap(aircraft->homebase);
}

void B_DumpAircraftToHomeBase (aircraft_t* aircraft)
{
    /* Don't call cargo functions if aircraft is not a transporter. */
    if (aircraft->maxTeamSize <= 0)
        return;

    /* Add aliens to Alien Containment. */
    AL_AddAliens(aircraft);
    /* Sell collected items or add them to storage. */
    B_SellOrAddItems(aircraft);
}

void B_AircraftReturnedToHomeBase (aircraft_t* aircraft)
{
    /* AA Missiles should miss */
    AIRFIGHT_RemoveProjectileAimingAircraft(aircraft);
    /* Reset UFO sensored on radar */
    RADAR_InitialiseUFOs(&aircraft->radar);
    /* Reload weapons */
    AII_ReloadAircraftWeapons(aircraft);

    B_DumpAircraftToHomeBase(aircraft);
}

bool B_BaseHasItem (const base_t* base, const objDef_t* item)
{
    if (item->isVirtual)
        return true;

    return B_ItemInBase(item, base) > 0;
}

int B_ItemInBase (const objDef_t* item, const base_t* base)
{
    const equipDef_t* ed;

    if (!item)
        return -1;
    if (item->isVirtual)
        return -1;
    if (!base)
        return -1;

    ed = &base->storage;

    if (!ed)
        return -1;

    return ed->numItems[item->idx];
}

void B_UpdateBaseCapacities (baseCapacities_t cap, base_t* base)
{
    switch (cap) {
    case CAP_ALIENS:        
    case CAP_EMPLOYEES:     
    case CAP_LABSPACE:      
    case CAP_WORKSPACE:     
    case CAP_ITEMS:         
    case CAP_AIRCRAFT_SMALL:    
    case CAP_AIRCRAFT_BIG:      
    case CAP_ANTIMATTER:        
    {
        int buildingTemplateIDX = -1;
        const buildingType_t buildingType = B_GetBuildingTypeByCapacity(cap);
        int capacity = 0;

        /* Reset given capacity in current base. */
        CAP_SetMax(base, cap, 0);
        /* Get building capacity. */
        for (int i = 0; i < ccs.numBuildingTemplates; i++) {
            const building_t* b = &ccs.buildingTemplates[i];
            if (b->buildingType == buildingType) {
                capacity = b->capacity;
                cgi->Com_DPrintf(DEBUG_CLIENT, "Building: %s capacity: %i\n", b->id, capacity);
                buildingTemplateIDX = i;
                break;
            }
        }
        /* Finally update capacity. */
        building_t* building = nullptr;
        while ((building = B_GetNextBuildingByType(base, building, buildingType)))
            if (building->buildingStatus >= B_STATUS_CONSTRUCTION_FINISHED)
                CAP_AddMax(base, cap, capacity);

        if (buildingTemplateIDX != -1)
            cgi->Com_DPrintf(DEBUG_CLIENT, "B_UpdateBaseCapacities: updated capacity of %s: %i\n",
                ccs.buildingTemplates[buildingTemplateIDX].id, CAP_GetMax(base, cap));

        if (cap == CAP_ALIENS) {
            const capacities_t* alienCap = CAP_Get(base, CAP_ALIENS);
            if (base->alienContainment != nullptr && alienCap->max == 0 && alienCap->cur == 0) {
                delete base->alienContainment;
                base->alienContainment = nullptr;
            } else if (base->alienContainment == nullptr && alienCap->max > 0) {
                base->alienContainment = new AlienContainment(CAP_Get(base, CAP_ALIENS), nullptr);
            }
        }
        break;
    }
    case MAX_CAP:           
        cgi->Com_DPrintf(DEBUG_CLIENT, "B_UpdateBaseCapacities: going to update ALL capacities.\n");
        /* Loop through all capacities and update them. */
        for (int i = 0; i < cap; i++) {
            const baseCapacities_t cap = (baseCapacities_t) i;
            B_UpdateBaseCapacities(cap, base);
        }
        break;
    default:
        cgi->Com_Error(ERR_DROP, "Unknown capacity limit for this base: %i \n", cap);
    }
}

void B_SaveBaseSlotsXML (const baseWeapon_t* weapons, const int numWeapons, xmlNode_t* node)
{
    for (int i = 0; i < numWeapons; i++) {
        xmlNode_t* sub = cgi->XML_AddNode(node, SAVE_BASES_WEAPON);
        AII_SaveOneSlotXML(sub, &weapons[i].slot, true);
        cgi->XML_AddBool(sub, SAVE_BASES_AUTOFIRE, weapons[i].autofire);
        if (weapons[i].target)
            cgi->XML_AddInt(sub, SAVE_BASES_TARGET, weapons[i].target->idx);
    }
}

bool B_SaveStorageXML (xmlNode_t* parent, const equipDef_t& equip)
{
    for (int k = 0; k < cgi->csi->numODs; k++) {
        const objDef_t* od = INVSH_GetItemByIDX(k);
        if (equip.numItems[k] || equip.numItemsLoose[k]) {
            xmlNode_t* node = cgi->XML_AddNode(parent, SAVE_BASES_ITEM);

            cgi->XML_AddString(node, SAVE_BASES_ODS_ID, od->id);
            cgi->XML_AddIntValue(node, SAVE_BASES_NUM, equip.numItems[k]);
            cgi->XML_AddByteValue(node, SAVE_BASES_NUMLOOSE, equip.numItemsLoose[k]);
        }
    }
    return true;
}

bool B_SaveXML (xmlNode_t* parent)
{
    xmlNode_t* bases;
    base_t* b;

    bases = cgi->XML_AddNode(parent, SAVE_BASES_BASES);
    b = nullptr;
    while ((b = B_GetNext(b)) != nullptr) {

        if (!b->founded) {
            cgi->Com_Printf("B_SaveXML: Base (idx: %i) not founded!\n", b->idx);
            return false;
        }

        cgi->Com_RegisterConstList(saveBaseConstants);

        xmlNode_t* act_base = cgi->XML_AddNode(bases, SAVE_BASES_BASE);
        cgi->XML_AddInt(act_base, SAVE_BASES_IDX, b->idx);
        cgi->XML_AddString(act_base, SAVE_BASES_NAME, b->name);
        cgi->XML_AddPos3(act_base, SAVE_BASES_POS, b->pos);
        cgi->XML_AddString(act_base, SAVE_BASES_BASESTATUS, cgi->Com_GetConstVariable(SAVE_BASESTATUS_NAMESPACE, b->baseStatus));
        cgi->XML_AddFloat(act_base, SAVE_BASES_ALIENINTEREST, b->alienInterest);

        /* building space */
        xmlNode_t* node = cgi->XML_AddNode(act_base, SAVE_BASES_BUILDINGSPACE);
        for (int row = 0; row < BASE_SIZE; row++) {
            for (int column = 0; column < BASE_SIZE; column++) {
                xmlNode_t* snode = cgi->XML_AddNode(node, SAVE_BASES_BUILDING);
                cgi->XML_AddInt(snode, SAVE_BASES_X, row);
                cgi->XML_AddInt(snode, SAVE_BASES_Y, column);
                if (B_GetBuildingAt(b, column, row))
                    cgi->XML_AddInt(snode, SAVE_BASES_BUILDINGINDEX, B_GetBuildingAt(b, column, row)->idx);
                cgi->XML_AddBoolValue(snode, SAVE_BASES_BLOCKED, B_IsTileBlocked(b, column, row));
            }
        }
        /* buildings */
        node = cgi->XML_AddNode(act_base, SAVE_BASES_BUILDINGS);
        building_t* building = nullptr;
        while ((building = B_GetNextBuilding(b, building))) {
            xmlNode_t* snode;

            if (!building->tpl)
                continue;

            snode = cgi->XML_AddNode(node, SAVE_BASES_BUILDING);
            cgi->XML_AddString(snode, SAVE_BASES_BUILDINGTYPE, building->tpl->id);
            cgi->XML_AddInt(snode, SAVE_BASES_BUILDING_PLACE, building->idx);
            cgi->XML_AddString(snode, SAVE_BASES_BUILDINGSTATUS, cgi->Com_GetConstVariable(SAVE_BUILDINGSTATUS_NAMESPACE, building->buildingStatus));
            cgi->XML_AddDate(snode, SAVE_BASES_BUILDINGTIMESTART, building->timeStart.getDateAsDays(), building->timeStart.getTimeAsSeconds());
            cgi->XML_AddInt(snode, SAVE_BASES_BUILDINGBUILDTIME, building->buildTime);
            cgi->XML_AddFloatValue(snode, SAVE_BASES_BUILDINGLEVEL, building->level);
            cgi->XML_AddPos2(snode, SAVE_BASES_POS, building->pos);
        }
        /* base defences */
        node = cgi->XML_AddNode(act_base, SAVE_BASES_BATTERIES);
        B_SaveBaseSlotsXML(b->batteries, b->numBatteries, node);
        node = cgi->XML_AddNode(act_base, SAVE_BASES_LASERS);
        B_SaveBaseSlotsXML(b->lasers, b->numLasers, node);
        /* store equipment */
        node = cgi->XML_AddNode(act_base, SAVE_BASES_STORAGE);
        B_SaveStorageXML(node, b->storage);
        /* radar */
        cgi->XML_AddIntValue(act_base, SAVE_BASES_RADARRANGE, b->radar.range);
        cgi->XML_AddIntValue(act_base, SAVE_BASES_TRACKINGRANGE, b->radar.trackingRange);
        /* alien containment */
        if (b->alienContainment) {
            node = cgi->XML_AddNode(act_base, SAVE_BASES_ALIENCONTAINMENT);
            b->alienContainment->save(node);
        }

        cgi->Com_UnregisterConstList(saveBaseConstants);
    }
    return true;
}

int B_LoadBaseSlotsXML (baseWeapon_t* weapons, int max, xmlNode_t* p)
{
    int i;
    xmlNode_t* s;
    for (i = 0, s = cgi->XML_GetNode(p, SAVE_BASES_WEAPON); s && i < max; i++, s = cgi->XML_GetNextNode(s, p, SAVE_BASES_WEAPON)) {
        const int target = cgi->XML_GetInt(s, SAVE_BASES_TARGET, -1);
        AII_LoadOneSlotXML(s, &weapons[i].slot, true);
        weapons[i].autofire = cgi->XML_GetBool(s, SAVE_BASES_AUTOFIRE, true);
        weapons[i].target = (target >= 0) ? UFO_GetByIDX(target) : nullptr;
    }
    return i;
}

static bool B_PostLoadInitCapacity (void)
{
    base_t* base = nullptr;
    while ((base = B_GetNext(base)) != nullptr)
        B_ResetAllStatusAndCapacities(base, true);

    return true;
}

bool B_PostLoadInit (void)
{
    return B_PostLoadInitCapacity();
}

bool B_LoadStorageXML (xmlNode_t* parent, equipDef_t* equip)
{
    for (xmlNode_t* node = cgi->XML_GetNode(parent, SAVE_BASES_ITEM); node; node = cgi->XML_GetNextNode(node, parent, SAVE_BASES_ITEM)) {
        const char* s = cgi->XML_GetString(node, SAVE_BASES_ODS_ID);
        const objDef_t* od = INVSH_GetItemByID(s);
        if (!od) {
            cgi->Com_Printf("B_Load: Could not find item '%s'\n", s);
            continue;
        }
        equip->numItems[od->idx] = cgi->XML_GetInt(node, SAVE_BASES_NUM, 0);
        equip->numItemsLoose[od->idx] = cgi->XML_GetInt(node, SAVE_BASES_NUMLOOSE, 0);
    }
    return true;
}

bool B_LoadXML (xmlNode_t* parent)
{
    int buildingIdx;
    xmlNode_t* bases;

    bases = cgi->XML_GetNode(parent, "bases");
    if (!bases) {
        cgi->Com_Printf("Error: Node 'bases' wasn't found in savegame\n");
        return false;
    }

    ccs.numBases = 0;

    cgi->Com_RegisterConstList(saveBaseConstants);
    FOREACH_XMLNODE(base, bases, SAVE_BASES_BASE) {
        const int i = ccs.numBases;
        base_t* const b = B_GetBaseByIDX(i);
        if (b == nullptr)
            break;

        ccs.numBases++;

        b->idx = cgi->XML_GetInt(base, SAVE_BASES_IDX, -1);
        if (b->idx < 0) {
            cgi->Com_Printf("Invalid base index %i\n", b->idx);
            cgi->Com_UnregisterConstList(saveBaseConstants);
            return false;
        }
        b->founded = true;
        const char* str = cgi->XML_GetString(base, SAVE_BASES_BASESTATUS);
        if (!cgi->Com_GetConstIntFromNamespace(SAVE_BASESTATUS_NAMESPACE, str, (int*) &b->baseStatus)) {
            cgi->Com_Printf("Invalid base status '%s'\n", str);
            cgi->Com_UnregisterConstList(saveBaseConstants);
            return false;
        }

        Q_strncpyz(b->name, cgi->XML_GetString(base, SAVE_BASES_NAME), sizeof(b->name));
        cgi->XML_GetPos3(base, SAVE_BASES_POS, b->pos);
        b->alienInterest = cgi->XML_GetFloat(base, SAVE_BASES_ALIENINTEREST, 0.0);
        b->aircraftCurrent = nullptr;

        /* building space */
        xmlNode_t* node = cgi->XML_GetNode(base, SAVE_BASES_BUILDINGSPACE);
        FOREACH_XMLNODE(snode, node, SAVE_BASES_BUILDING) {
            const int x = cgi->XML_GetInt(snode, SAVE_BASES_X, 0);
            const int y = cgi->XML_GetInt(snode, SAVE_BASES_Y, 0);
            baseBuildingTile_t* tile = &b->map[x][y];
            buildingIdx = cgi->XML_GetInt(snode, SAVE_BASES_BUILDINGINDEX, -1);

            tile->posX = y; /* NOT a typo ! */
            tile->posY = x;
            if (buildingIdx != -1)
                /* The buildings are actually parsed _below_. (See PRE_MAXBUI loop) */
                tile->building = B_GetBuildingByIDX(i, buildingIdx);
            else
                tile->building = nullptr;
            tile->blocked = cgi->XML_GetBool(snode, SAVE_BASES_BLOCKED, false);
            if (tile->blocked && tile->building != nullptr) {
                cgi->Com_Printf("inconstent base layout found\n");
                cgi->Com_UnregisterConstList(saveBaseConstants);
                return false;
            }
        }
        /* buildings */
        node = cgi->XML_GetNode(base, SAVE_BASES_BUILDINGS);

        ccs.numBuildings[i] = 0;
        FOREACH_XMLNODE(snode, node, SAVE_BASES_BUILDING) {
            const int buildId = cgi->XML_GetInt(snode, SAVE_BASES_BUILDING_PLACE, MAX_BUILDINGS);
            building_t* building;
            const building_t* buildingTemplate;
            char buildingType[MAX_VAR];

            if (buildId >= MAX_BUILDINGS) {
                cgi->Com_Printf("building ID is greater than MAX buildings\n");
                cgi->Com_UnregisterConstList(saveBaseConstants);
                return false;
            }

            Q_strncpyz(buildingType, cgi->XML_GetString(snode, SAVE_BASES_BUILDINGTYPE), sizeof(buildingType));
            if (buildingType[0] == '\0') {
                cgi->Com_Printf("No buildingtype set\n");
                cgi->Com_UnregisterConstList(saveBaseConstants);
                return false;
            }

            buildingTemplate = B_GetBuildingTemplate(buildingType);
            if (!buildingTemplate)
                continue;

            ccs.buildings[i][buildId] = *buildingTemplate;
            building = B_GetBuildingByIDX(i, buildId);
            building->idx = B_GetBuildingIDX(b, building);
            if (building->idx != buildId) {
                cgi->Com_Printf("building ID doesn't match\n");
                cgi->Com_UnregisterConstList(saveBaseConstants);
                return false;
            }
            building->base = b;

            str = cgi->XML_GetString(snode, SAVE_BASES_BUILDINGSTATUS);
            if (!cgi->Com_GetConstIntFromNamespace(SAVE_BUILDINGSTATUS_NAMESPACE, str, (int*) &building->buildingStatus)) {
                cgi->Com_Printf("Invalid building status '%s'\n", str);
                cgi->Com_UnregisterConstList(saveBaseConstants);
                return false;
            }

            int date;
            int time;
            cgi->XML_GetDate(snode, SAVE_BASES_BUILDINGTIMESTART, &date, &time);
            building->timeStart = DateTime(date, time);

            building->buildTime = cgi->XML_GetInt(snode, SAVE_BASES_BUILDINGBUILDTIME, 0);
            building->level = cgi->XML_GetFloat(snode, SAVE_BASES_BUILDINGLEVEL, 0);
            cgi->XML_GetPos2(snode, SAVE_BASES_POS, building->pos);
            ccs.numBuildings[i]++;
        }

        BDEF_InitialiseBaseSlots(b);
        /* read missile battery slots */
        node = cgi->XML_GetNode(base, SAVE_BASES_BATTERIES);
        if (node)
            b->numBatteries = B_LoadBaseSlotsXML(b->batteries, MAX_BASE_SLOT, node);
        /* read laser battery slots */
        node = cgi->XML_GetNode(base, SAVE_BASES_LASERS);
        if (node)
            b->numLasers = B_LoadBaseSlotsXML(b->lasers, MAX_BASE_SLOT, node);
        /* read equipment */
        node = cgi->XML_GetNode(base, SAVE_BASES_STORAGE);
        B_LoadStorageXML(node, &(b->storage));
        /* read radar info */
        RADAR_InitialiseUFOs(&b->radar);
        RADAR_Initialise(&b->radar, cgi->XML_GetInt(base, SAVE_BASES_RADARRANGE, 0), cgi->XML_GetInt(base, SAVE_BASES_TRACKINGRANGE, 0), B_GetMaxBuildingLevel(b, B_RADAR), true);

        node = cgi->XML_GetNode(base, SAVE_BASES_ALIENCONTAINMENT);
        if (node) {
            b->alienContainment = new AlienContainment(CAP_Get(b, CAP_ALIENS), nullptr);
            b->alienContainment->load(node);
        }

        /* clear the mess of stray loaded pointers */
        b->bEquipment.init();
    }
    cgi->Com_UnregisterConstList(saveBaseConstants);
    cgi->Cvar_SetValue("mn_base_count", B_GetCount());
    return true;
}

bool B_ItemIsStoredInBaseStorage (const objDef_t* obj)
{
    /* antimatter is stored in antimatter storage */
    if (obj->isVirtual || Q_streq(obj->id, ANTIMATTER_ITEM_ID))
        return false;

    return true;
}

int B_AddToStorage (base_t* base, const objDef_t* obj, int amount)
{
    capacities_t* cap;

    assert(base);
    assert(obj);

    if (!B_ItemIsStoredInBaseStorage(obj))
        return 0;

    cap = CAP_Get(base, CAP_ITEMS);
    if (amount > 0) {
        if (obj->size > 0)
            cap->cur += (amount * obj->size);
        base->storage.numItems[obj->idx] += amount;
    } else if (amount < 0) {
        /* correct amount */
        const int itemInBase = B_ItemInBase(obj, base);
        amount = std::max(amount, -itemInBase);
        if (obj->size > 0)
            cap->cur += (amount * obj->size);
        base->storage.numItems[obj->idx] += amount;

        if (base->storage.numItems[obj->idx] == 0) {
            technology_t* tech = RS_GetTechForItem(obj);
            if (tech->statusResearch == RS_RUNNING && tech->base == base)
                RS_StopResearch(tech);
        }
    }

    return amount;
}

int B_AntimatterInBase (const base_t* base)
{
#ifdef DEBUG
    const objDef_t* od;

    od = INVSH_GetItemByID(ANTIMATTER_ITEM_ID);
    if (od == nullptr)
        cgi->Com_Error(ERR_DROP, "Could not find " ANTIMATTER_ITEM_ID " object definition");

    assert(base);
    assert(B_ItemInBase(od, base) == CAP_GetCurrent(base, CAP_ANTIMATTER));
#endif

    return CAP_GetCurrent(base, CAP_ANTIMATTER);
}

int B_AddAntimatter (base_t* base, int amount)
{
    const objDef_t* od;
    capacities_t* cap;

    assert(base);

    od = INVSH_GetItemByIDSilent(ANTIMATTER_ITEM_ID);
    if (od == nullptr)
        cgi->Com_Error(ERR_DROP, "Could not find " ANTIMATTER_ITEM_ID " object definition");

    cap = CAP_Get(base, CAP_ANTIMATTER);
    if (amount > 0) {
        cap->cur += amount;
        base->storage.numItems[od->idx] += amount;
    } else if (amount < 0) {
        /* correct amount */
        const int inBase = B_AntimatterInBase(base);
        amount = std::max(amount, -inBase);
        cap->cur += (amount);
        base->storage.numItems[od->idx] += amount;
    }

    return B_AntimatterInBase(base);
}