cp_mission_xvi.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 "cp_mission_xvi.h"
#include "../../../DateTime.h"
#include "../../../cl_shared.h"
#include "../cp_campaign.h"
#include "../cp_missions.h"
#include "../cp_time.h"
#include "../cp_alien_interest.h"
#include "../cp_ufo.h"
#include "cp_mission_recon.h"
#include "cp_mission_harvest.h"

void CP_XVIMissionIsSuccess (mission_t* mission)
{
    INT_ChangeIndividualInterest(-0.3f, INTERESTCATEGORY_XVI);
    INT_ChangeIndividualInterest(0.1f, INTERESTCATEGORY_HARVEST);
    INT_ChangeIndividualInterest(0.05f, INTERESTCATEGORY_BUILDING);
 
    CP_MissionRemove(mission);
}

void CP_XVIMissionIsFailure (mission_t* mission)
{
    INT_ChangeIndividualInterest(0.1f, INTERESTCATEGORY_INTERCEPT);
    INT_ChangeIndividualInterest(0.05f, INTERESTCATEGORY_TERROR_ATTACK);
    INT_ChangeIndividualInterest(0.01f, INTERESTCATEGORY_BASE_ATTACK);
 
    CP_MissionRemove(mission);
}

static void CP_XVIMissionStart (mission_t* mission)
{
    mission->stage = STAGE_SPREAD_XVI;
 
    if (mission->ufo) {
        const DateTime minMissionDelay(2, 0);
        const DateTime maxMissionDelay(3, 0);
        mission->finalDate = ccs.date + Date_Random(minMissionDelay, maxMissionDelay);
        /* ufo becomes invisible on geoscape, but don't remove it from ufo global array (may reappear)*/
        CP_UFORemoveFromGeoscape(mission, false);
    } else {
        /* Go to next stage on next frame */
        mission->finalDate = ccs.date;
    }
 
    /* mission appear on geoscape, player can go there */
    CP_MissionAddToGeoscape(mission, false);
}

void CP_XVIMissionNextStage (mission_t* mission)
{
    switch (mission->stage) {
    case STAGE_NOT_ACTIVE:
        /* Create XVI Spreading mission */
        CP_MissionBegin(mission);
        break;
    case STAGE_COME_FROM_ORBIT:
        /* Go to mission */
        CP_HarvestMissionGo(mission);
        break;
    case STAGE_MISSION_GOTO:
        /* just arrived on a new XVI Spreading mission: start it */
        CP_XVIMissionStart(mission);
        break;
    case STAGE_SPREAD_XVI:
        /* Leave earth */
        CP_ReconMissionLeave(mission);
        break;
    case STAGE_RETURN_TO_ORBIT:
        /* mission is over, remove mission */
        CP_XVIMissionIsSuccess(mission);
        break;
    default:
        cgi->Com_Printf("CP_XVIMissionNextStage: Unknown stage: %i, removing mission.\n", mission->stage);
        CP_MissionRemove(mission);
        break;
    }
}