aliencargo.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 "aliencargo.h"
 
#define SAVE_ALIENCARGO_ITEM "cargo"
#define SAVE_ALIENCARGO_TEAMDEFID "teamdefid"
#define SAVE_ALIENCARGO_ALIVE "alive"
#define SAVE_ALIENCARGO_DEAD "dead"

bool AlienCargo::add(const teamDef_t* team, int alive, int dead)
{
    if (!team)
        return false;
    if (alive == 0 && dead == 0)
        return true;
 
    LIST_Foreach(this->cargo, alienCargo_t, item) {
        if (item->teamDef != team)
            continue;
 
        if (alive + item->alive < 0)
            return false;
        if (dead + item->dead < 0)
            return false;
 
        item->alive += alive;
        item->dead += dead;
 
        this->sumAlive += alive;
        this->sumDead += dead;
 
        if (item->alive == 0 && item->dead == 0)
            cgi->LIST_Remove(&this->cargo, (void*)item);
 
        return true;
    }
 
    if (alive < 0 || dead < 0)
        return false;
 
    const alienCargo_t cargoItem = { team, alive, dead };
 
    if (cgi->LIST_Add(&this->cargo, (const void*)&cargoItem, sizeof(cargoItem))) {
        this->sumAlive += alive;
        this->sumDead += dead;
        return true;
    }
 
    return false;
}

bool AlienCargo::add(const char* teamId, int alive, int dead)
{
    if (!teamId)
        return false;
    const teamDef_t* team = cgi->Com_GetTeamDefinitionByID(teamId);
    if (!team)
        return false;
    return this->add(team, alive, dead);
}

int AlienCargo::getAlive(const teamDef_t* team) const
{
    if (!team)
        return -1;
 
    LIST_Foreach(this->cargo, alienCargo_t, item) {
        if (item->teamDef != team)
            continue;
        return item->alive;
    }
    return 0;
}

int AlienCargo::getDead(const teamDef_t* team) const
{
    if (!team)
        return -1;
 
    LIST_Foreach(this->cargo, alienCargo_t, item) {
        if (item->teamDef != team)
            continue;
        return item->dead;
    }
    return 0;
}

int AlienCargo::getAlive(void) const
{
    return this->sumAlive;
}

int AlienCargo::getDead(void) const
{
    return this->sumDead;
}

linkedList_t* AlienCargo::list(void) const
{
    linkedList_t* listing = 0;
 
    LIST_Foreach(this->cargo, alienCargo_t, item) {
        if (!cgi->LIST_Add(&listing, (void*)item, sizeof(*item))) {
            cgi->LIST_Delete(&listing);
            return 0;
        }
    }
    return listing;
}

bool AlienCargo::load(xmlNode_t* root)
{
    if (!root)
        return false;
 
    for (xmlNode_t* alienNode = cgi->XML_GetNode(root, SAVE_ALIENCARGO_ITEM); alienNode;
        alienNode = cgi->XML_GetNextNode(alienNode, root, SAVE_ALIENCARGO_ITEM))
    {
        const char* teamId = cgi->XML_GetString(alienNode, SAVE_ALIENCARGO_TEAMDEFID);
        const int alive = cgi->XML_GetInt(alienNode, SAVE_ALIENCARGO_ALIVE, 0);
        const int dead = cgi->XML_GetInt(alienNode, SAVE_ALIENCARGO_DEAD, 0);
        if (!add(teamId, alive, dead))
            cgi->Com_Printf("AlienCargo::load: Could add aliens to cargo: %s, %d, %d\n", teamId, alive, dead);
    }
    return true;
}

bool AlienCargo::save(xmlNode_t* root) const
{
    if (!root)
        return false;
    LIST_Foreach(this->cargo, alienCargo_t, item) {
        xmlNode_t* alienNode = cgi->XML_AddNode(root, SAVE_ALIENCARGO_ITEM);
        if (!alienNode)
            return false;
        cgi->XML_AddString(alienNode, SAVE_ALIENCARGO_TEAMDEFID, item->teamDef->id);
        cgi->XML_AddIntValue(alienNode, SAVE_ALIENCARGO_ALIVE, item->alive);
        cgi->XML_AddIntValue(alienNode, SAVE_ALIENCARGO_DEAD, item->dead);
    }
    return true;
}

AlienCargo::AlienCargo(void) : cargo (0), sumAlive (0), sumDead(0)
{
}

AlienCargo::AlienCargo(AlienCargo& alienCargo) : cargo (0), sumAlive (0), sumDead(0)
{
    linkedList_t* list = alienCargo.list();
 
    LIST_Foreach(list, alienCargo_t, cargoItem) {
        if (cgi->LIST_Add(&this->cargo, (void*)cargoItem, sizeof(*cargoItem))) {
            this->sumAlive += cargoItem->alive;
            this->sumDead += cargoItem->dead;
        }
    }
    cgi->LIST_Delete(&list);
}

AlienCargo::~AlienCargo(void)
{
    cgi->LIST_Delete(&this->cargo);
}