cp_mission_ufocarrier.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_ufo.h"
#include "../cp_missions.h"
#include "../cp_time.h"
#include "../cp_xvi.h"
#include "../cp_alien_interest.h"
#include "cp_mission_ufocarrier.h"
 
static mission_t* CP_GetCarrierMission (void)
{
    MIS_Foreach(mission) {
        if (mission->category == INTERESTCATEGORY_UFOCARRIER)
            return mission;
    }
 
    return nullptr;
}

static void CP_UFOCarrierMissionStart (mission_t* mission)
{
    mission->idx = ++ccs.campaignStats.missions;
    mission->finalDate = ccs.date;
    mission->stage = STAGE_RECON_AIR;
}
 
static void CP_UFOCarrierMissionUpdate (mission_t* mission)
{
    /* delay the next update for some time */
    const DateTime delay(2, 0);
    mission->finalDate = ccs.date + delay;
 
    if (INS_HasType(INSTALLATION_ORBIT)) {
        cgi->UI_PopupButton(_("UFO-Carrier"), _("The Carrier UFO is in range. Should we launch the payload?"),
            "ui_pop;", _("Wait"), _("Don't attack the UFO-Carrier yet"),
            "cp_attack_ufocarrier;ui_pop;", _("Launch"), _("Attack the UFO-Carrier now"),
            nullptr, nullptr, nullptr);
    }
}

void CP_UFOCarrierNextStage (mission_t* mission)
{
    switch (mission->stage) {
    case STAGE_NOT_ACTIVE:
        CP_UFOCarrierMissionStart(mission);
        break;
    default:
        CP_UFOCarrierMissionUpdate(mission);
        break;
    }
}

void CP_SpawnUFOCarrier_f (void)
{
    /* only one carrier missions is allowed */
    if (CP_GetCarrierMission() != nullptr)
        return;
 
    const installationTemplate_t* installationTemplate = INS_GetInstallationTemplateByType(INSTALLATION_ORBIT);
    if (!installationTemplate)
        return;
 
    if (cgi->Cmd_Argc() == 3) {
        const vec2_t pos = Vector2FromInt(atof(cgi->Cmd_Argv(1)), atof(cgi->Cmd_Argv(2)));
        if (!MapIsWater(GEO_GetColor(pos, MAPTYPE_TERRAIN, nullptr))) {
            INS_Build(installationTemplate, pos, _(installationTemplate->name));
            GEO_CenterPosition(pos);
            CL_EventAddMail("ufocarrier");
        }
    }
 
    CP_CreateNewMission(INTERESTCATEGORY_UFOCARRIER, true);
}

void CP_AttackUFOCarrier_f (void)
{
    mission_t* mission = CP_GetCarrierMission();
    if (mission == nullptr)
        return;
 
    if (!INS_HasType(INSTALLATION_ORBIT))
        return;
 
#if 1
    cgi->UI_RegisterText(TEXT_STANDARD, "*msgid:campaignwin");
    CP_EndCampaign(true);
#else
    /* check max amount - we can't win if we can't add the ufo */
    if (ccs.numUFOs >= MAX_UFOONGEOSCAPE)
        return;
 
    const aircraft_t* ufoTemplate = UFO_GetTemplate(UFO_CARRIER);
    aircraft_t* ufo = UFO_CreateFromTemplate(ufoTemplate);
    if (ufo == nullptr) {
        cgi->Com_Error(ERR_DROP, "Could not add UFO-Carrier to geoscape");
        return;
    }
    ufo->mission = mission;
    mission->ufo = ufo;
    CP_GetRandomPosOnGeoscape(ufo->pos, true);
    CP_SpawnCrashSiteMission(ufo);
    if (mission->mapDef != nullptr) {
        cgi->Com_Printf("spawned mapdef: %s\n", mission->mapDef->id);
    }
#endif
}