cp_aircraft_callbacks.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 "../../cl_shared.h"
#include "../../ui/ui_dataids.h"
#include "cp_campaign.h"
#include "cp_geoscape.h"
#include "cp_aircraft_callbacks.h"
#include "cp_aircraft.h"
#include "cp_team.h"
#include "cp_mapfightequip.h"
#include "cp_popup.h"
#include "cp_missions.h"

static void AIM_AircraftReturnToBase_f (void)
{
    aircraft_t* aircraft = nullptr;
 
    if (cgi->Cmd_Argc() >= 2) {
        const int index = atoi(cgi->Cmd_Argv(1));
        aircraft = AIR_AircraftGetFromIDX(index);
    } else {
        base_t* base = B_GetCurrentSelectedBase();
        if (base && base->aircraftCurrent)
            aircraft = base->aircraftCurrent;
    }
    if (aircraft == nullptr)
        return;
 
    AIR_AircraftReturnToBase(aircraft);
    AIR_AircraftSelect(aircraft);
}

static void AIM_SelectAircraft_f (void)
{
    base_t* base = B_GetCurrentSelectedBase();
 
    if (!base)
        return;
 
    if (cgi->Cmd_Argc() < 2) {
        if (base->aircraftCurrent)
            AIR_AircraftSelect(base->aircraftCurrent);
    } else {
        const int i = atoi(cgi->Cmd_Argv(1));
        aircraft_t* aircraft = AIR_GetAircraftFromBaseByIDXSafe(base, i);
        if (aircraft != nullptr)
            AIR_AircraftSelect(aircraft);
    }
}

static void AIM_AircraftStart_f (void)
{
    base_t* base = B_GetCurrentSelectedBase();
 
    if (!base)
        return;
 
    if (!base->aircraftCurrent) {
        cgi->Com_DPrintf(DEBUG_CLIENT, "Error - there is no current aircraft in this base\n");
        return;
    }
 
    /* Aircraft cannot start without operational Command Centre. */
    if (!B_GetBuildingStatus(base, B_COMMAND)) {
        CP_Popup(_("Notice"), _("No operational Command Centre in this base.\n\nAircraft can not start.\n"));
        return;
    }
 
    aircraft_t* aircraft = base->aircraftCurrent;
 
    /* Aircraft cannot start without a pilot. */
    if (!AIR_GetPilot(aircraft)) {
        CP_Popup(_("Notice"), _("There is no pilot assigned to this aircraft.\n\nAircraft can not start.\n"));
        return;
    }
 
    if (AIR_IsAircraftInBase(aircraft)) {
        /* reload its ammunition */
        AII_ReloadAircraftWeapons(aircraft);
    }
    MS_AddNewMessage(_("Notice"), _("Aircraft started"));
    aircraft->status = AIR_IDLE;
 
    GEO_SelectAircraft(aircraft);
    /* Return to geoscape. */
    cgi->UI_PopWindow(false);
    cgi->UI_PopWindow(false);
}

static int AIR_GetSlotItems (aircraftItemType_t type, const aircraft_t* aircraft)
{
    int max;
    const aircraftSlot_t* slot;
 
    assert(aircraft);
 
    switch (type) {
    case AC_ITEM_SHIELD:
        if (aircraft->shield.item)
            return 1;
        return 0;
    case AC_ITEM_WEAPON:
        slot = aircraft->weapons;
        max = MAX_AIRCRAFTSLOT;
        break;
    case AC_ITEM_ELECTRONICS:
        slot = aircraft->electronics;
        max = MAX_AIRCRAFTSLOT;
        break;
    default:
        cgi->Com_Printf("AIR_GetSlotItems: Unknown type of slot : %i", type);
        return 0;
    }
 
    int cnt = 0;
    for (int i = 0; i < max; i++)
        if (slot[i].item)
            cnt++;
 
    return cnt;
}

void AIR_AircraftSelect (aircraft_t* aircraft)
{
    static char aircraftInfo[256];
    base_t* base;
 
    if (aircraft != nullptr)
        base = aircraft->homebase;
    else
        base = nullptr;
 
    if (!AIR_BaseHasAircraft(base)) {
        cgi->UI_ResetData(TEXT_AIRCRAFT_INFO);
        return;
    }
 
    assert(aircraft);
    assert(aircraft->homebase == base);
    CP_UpdateActorAircraftVar(aircraft, EMPL_SOLDIER);
 
    cgi->Cvar_Set("mn_aircraftinbase", "%s", AIR_IsAircraftInBase(aircraft) ? "1" : "0");
    cgi->Cvar_Set("mn_aircraftname", "%s", aircraft->name);
    if (!aircraft->tech)
        cgi->Com_Error(ERR_DROP, "No technology assigned to aircraft '%s'", aircraft->id);
    cgi->Cvar_Set("mn_aircraft_model", "%s", aircraft->tech->mdl);
    cgi->Cvar_Set("mn_aircraft_health", "%3.0f" , aircraft->stats[AIR_STATS_DAMAGE] > 0 ? (double)aircraft->damage * 100 / aircraft->stats[AIR_STATS_DAMAGE] : 0);
 
    /* generate aircraft info text */
    Com_sprintf(aircraftInfo, sizeof(aircraftInfo), _("Speed:\t%i km/h\n"),
        AIR_AircraftMenuStatsValues(aircraft->stats[AIR_STATS_SPEED], AIR_STATS_SPEED));
    Q_strcat(aircraftInfo, sizeof(aircraftInfo), _("Fuel:\t%i/%i\n"), AIR_AircraftMenuStatsValues(aircraft->fuel, AIR_STATS_FUELSIZE),
        AIR_AircraftMenuStatsValues(aircraft->stats[AIR_STATS_FUELSIZE], AIR_STATS_FUELSIZE));
    Q_strcat(aircraftInfo, sizeof(aircraftInfo), _("Operational range:\t%i km\n"), AIR_GetOperationRange(aircraft));
    Q_strcat(aircraftInfo, sizeof(aircraftInfo), _("Weapons:\t%i of %i\n"), AIR_GetSlotItems(AC_ITEM_WEAPON, aircraft), aircraft->maxWeapons);
    Q_strcat(aircraftInfo, sizeof(aircraftInfo), _("Armour:\t%i of 1\n"), AIR_GetSlotItems(AC_ITEM_SHIELD, aircraft));
    Q_strcat(aircraftInfo, sizeof(aircraftInfo), _("Electronics:\t%i of %i"), AIR_GetSlotItems(AC_ITEM_ELECTRONICS, aircraft), aircraft->maxElectronics);
 
    cgi->UI_RegisterText(TEXT_AIRCRAFT_INFO, aircraftInfo);

    /* compute the ID and... */
    int id = 0;
    AIR_ForeachFromBase(aircraftInBase, base) {
        if (aircraft == aircraftInBase)
            break;
        id++;
    }
 
    base->aircraftCurrent = aircraft;
    cgi->Cvar_SetValue("mn_aircraft_id", id);
 
    /* ...update the GUI */
    cgi->UI_ExecuteConfunc("ui_aircraft_selected %i", id);
    cgi->UI_ExecuteConfunc("aircraft_change %i", id);
}

static void AIR_AircraftFillList_f (void)
{
    base_t* base = B_GetCurrentSelectedBase();
 
    cgi->UI_ExecuteConfunc("ui_aircraft_clear");
    int idx = 0;
    AIR_ForeachFromBase(aircraft, base) {
        const float health = aircraft->stats[AIR_STATS_DAMAGE] > 0 ? (float)aircraft->damage * 100.0f / aircraft->stats[AIR_STATS_DAMAGE] : 0.0f;
        const char* inBase = AIR_IsAircraftInBase(aircraft) ? "1" : "0";
        char teamStr[MAX_VAR];
        Com_sprintf(teamStr, sizeof(teamStr), _("%i of %i"), AIR_GetTeamSize(aircraft), aircraft->maxTeamSize);
        cgi->UI_ExecuteConfunc("ui_aircraft_add %i \"%s\" %3.0f %s \"%s\" \"%s\"", idx, _(aircraft->name), health, inBase, AIR_AircraftStatusToName(aircraft), teamStr);
        idx++;
    }
}

static void AIR_ChangeAircraftName_f (void)
{
    const base_t* base = B_GetCurrentSelectedBase();
    if (!base)
        return;
 
    aircraft_t* aircraft = base->aircraftCurrent;
    if (!aircraft)
        return;
 
    /* set default name on empty new name*/
    const char* newName = cgi->Cvar_GetString("mn_aircraftname");
    if (Q_strnull(newName)) {
        Q_strncpyz(aircraft->name, _(aircraft->defaultName), sizeof(aircraft->name));
        return;
    }
 
    /* refuse to set name contains only non-printable characters */
    int i;
    for (i = 0; newName[i] != '\0'; i++) {
        if (newName[i] > 0x20)
            break;
    }
    if (newName[i] == '\0')
        return;
 
    /* aircraft name should not contain " */
    if (!Com_IsValidName(newName))
        return;
 
    Q_strncpyz(aircraft->name, newName, sizeof(aircraft->name));
}

static void AIR_GeoSelectAircraft_f (void)
{
    if (cgi->Cmd_Argc() < 2) {
        return;
    }
 
    const int index = atoi(cgi->Cmd_Argv(1));
    aircraft_t* aircraft = AIR_AircraftGetFromIDX(index);
    if (aircraft == nullptr)
        return;
 
    if (!GEO_IsAircraftSelected(aircraft))
        GEO_SelectAircraft(aircraft);

    int action_id = 0;
    cgi->UI_ExecuteConfunc("ui_clear_aircraft_action");
    cgi->UI_ExecuteConfunc("ui_add_aircraft_action %i \"%s\" \"%s\"",
        action_id++, _("Change homebase"), va("ui_aircraft_changehomebase %u;", aircraft->idx));
    cgi->UI_ExecuteConfunc("ui_add_aircraft_action %i \"%s\" \"%s\"",
        action_id++, va("%s: %s", _("Back to base"), aircraft->homebase->name), va("aircraft_return %u;", aircraft->idx));
    cgi->UI_ExecuteConfunc("ui_add_aircraft_action %i \"%s\" \"%s\"",
        action_id++, _("Stop"), va("ui_aircraft_stop %u;", aircraft->idx));
 
    if (AIR_GetTeamSize(aircraft) > 0) {
        MIS_Foreach(tempMission) {
            if (AIR_GetTeamSize(aircraft) == 0)
                continue;
            if (tempMission->stage == STAGE_NOT_ACTIVE || !tempMission->onGeoscape)
                continue;
            if (!tempMission->pos)
                continue;
            if (!AIR_AircraftHasEnoughFuel(aircraft, tempMission->pos))
                continue;
            cgi->UI_ExecuteConfunc("ui_add_aircraft_action %i \"%s\" \"%s\"",
                action_id++, va("%s: %s", _("Mission"), MIS_GetName(tempMission)),
                va("ui_aircraft_to_mission %u %u;", aircraft->idx, tempMission->idx));
        }
    }
 
    cgi->UI_PushWindow("popup_aircraft_actions");
}

static void AIR_StopAircraft_f (void)
{
    if (cgi->Cmd_Argc() < 2) {
        return;
    }
 
    const int index = atoi(cgi->Cmd_Argv(1));
    aircraft_t* aircraft = AIR_AircraftGetFromIDX(index);
    if (aircraft == nullptr)
        return;
 
    aircraft->status = AIR_IDLE;
}
 

static void AIR_ShowChangeHomebaseAircraft_f (void)
{
    if (cgi->Cmd_Argc() < 2) {
        return;
    }
 
    const int index = atoi(cgi->Cmd_Argv(1));
    aircraft_t* aircraft = AIR_AircraftGetFromIDX(index);
    if (aircraft == nullptr)
        return;
 
    CL_DisplayHomebasePopup(aircraft, true);
}

static void AIR_SendAircraftToMission_f (void)
{
    if (cgi->Cmd_Argc() < 3) {
        return;
    }
 
    const int aircraftIdx = atoi(cgi->Cmd_Argv(1));
    aircraft_t* aircraft = AIR_AircraftGetFromIDX(aircraftIdx);
    if (aircraft == nullptr)
        return;
 
    const int missionIdx = atoi(cgi->Cmd_Argv(2));
    mission_t* mission = MIS_GetByIdx(missionIdx);
    if (mission == nullptr)
        return;
 
    AIR_SendAircraftToMission(aircraft, mission);
}

static void AIR_ShowAircraft_f (void)
{
    if (cgi->Cmd_Argc() < 2) {
        cgi->Com_Printf("Usage: %s <base_idx>\n", cgi->Cmd_Argv(0));
        return;
    }
    const base_t* const base = B_GetFoundedBaseByIDX(atoi(cgi->Cmd_Argv(1)));
    if (base == nullptr) {
        cgi->Com_Printf("AIR_ShowAircraft_f: Invalid base_idx!\n");
        return;
    }
    if (!AIR_AircraftAllowed(base))
        return;
    int idx_in_base = 0;
    AIR_ForeachFromBase(aircraft, base) {
        cgi->UI_ExecuteConfunc("show_aircraft %i \"%s\" \"%s\" \"%s\" %i %i", aircraft->idx, aircraft->name, aircraft->id, AIR_AircraftStatusToName(aircraft), AIR_IsAircraftInBase(aircraft), idx_in_base++);
    }
}
 
static const cmdList_t aircraftCallbacks[] = {
    {"aircraft_start", AIM_AircraftStart_f, nullptr},
    {"ui_aircraft_select", AIM_SelectAircraft_f, nullptr},
    {"geo_aircraft_select", AIR_GeoSelectAircraft_f, nullptr},
    {"aircraft_return", AIM_AircraftReturnToBase_f, "Sends the current aircraft back to homebase."},
    {"ui_aircraft_changename", AIR_ChangeAircraftName_f, "Callback to change the name of the aircraft."},
    {"ui_aircraft_fill", AIR_AircraftFillList_f, "Send the data for all the aircraft."},
    {"ui_aircraft_stop", AIR_StopAircraft_f, "Clears an aircraft order when on the geoscape"},
    {"ui_aircraft_to_mission", AIR_SendAircraftToMission_f, "Send aircraft to a misison"},
    {"ui_aircraft_changehomebase", AIR_ShowChangeHomebaseAircraft_f, ""},
    {"ui_show_aircraft", AIR_ShowAircraft_f, "Show aircraft in base sections"},
    {nullptr, nullptr, nullptr}
};
 
void AIR_InitCallbacks (void)
{
    cgi->Cmd_TableAddList(aircraftCallbacks);
}
 
void AIR_ShutdownCallbacks (void)
{
    cgi->Cmd_TableRemoveList(aircraftCallbacks);
}