/**
* @brief Buys the given UGV
* @param[in] ugv The ugv template of the UGV to buy
* @param[out] base Base to buy at
* @return @c true if the ugv could get bought, @c false otherwise
* @todo Implement this correctly once we have UGV
*/
bool BS_BuyUGV (const ugv_t* ugv, base_t* base)
{
const objDef_t* ugvWeapon;
if (!ugv)
cgi->Com_Error(ERR_DROP, "BS_BuyUGV: Called on nullptr UGV!");
if (!base)
cgi->Com_Error(ERR_DROP, "BS_BuyUGV: Called on nullptr base!");
ugvWeapon = INVSH_GetItemByID(ugv->weapon);
if (!ugvWeapon)
cgi->Com_Error(ERR_DROP, "BS_BuyItem_f: Could not get weapon '%s' for ugv/tank '%s'.", ugv->weapon, ugv->id);
if (ccs.credits < ugv->price)
return false;
if (E_CountUnhiredRobotsByType(ugv) <= 0)
return false;
if (BS_GetItemOnMarket(ugvWeapon) <= 0)
return false;
if (CAP_GetFreeCapacity(base, CAP_ITEMS) < UGV_SIZE + ugvWeapon->size)
return false;
if (!E_HireRobot(base, ugv))
return false;
BS_RemoveItemFromMarket(ugvWeapon, 1);
CP_UpdateCredits(ccs.credits - ugv->price);
B_AddToStorage(base, ugvWeapon, 1);
return true;
}
/**
* @brief Buy items.
* @param[in] base Pointer to the base where items are bought.
* @param[in] item Pointer to the item to buy.
* @param[in] number Number of items to buy.
*/
qboolean BS_CheckAndDoBuyItem (base_t* base, const objDef_t *item, int number)
{
int numItems;
const int price = BS_GetItemBuyingPrice(item);
const market_t *market = BS_GetMarket();
assert(base);
/* you can't buy more items than there are on market */
numItems = min(number, market->numItems[item->idx]);
/* you can't buy more items than you have credits for */
/** @todo Handle items with price 0 better */
if (price)
numItems = min(numItems, ccs.credits / price);
if (numItems <= 0)
return qfalse;
/* you can't buy more items than you have room for */
/** @todo Handle items with size 0 better */
if (item->size)
numItems = min(numItems, (base->capacities[CAP_ITEMS].max - base->capacities[CAP_ITEMS].cur) / item->size);
/* make sure that numItems is > 0 (can be negative because capacities.cur may be greater than
* capacities.max if storage is disabled or if alien items have been collected on mission */
if (numItems <= 0) {
UI_Popup(_("Not enough storage space"), _("You cannot buy this item.\nNot enough space in storage.\nBuild more storage facilities."));
return qfalse;
}
B_UpdateStorageAndCapacity(base, item, numItems, qfalse, qfalse);
BS_RemoveItemFromMarket(item, numItems);
CL_UpdateCredits(ccs.credits - price * numItems);
return qtrue;
}
/**
* @brief Buys items from the market
* @param[in] od pointer to the item (Object Definition record)
* @param[out] base Base to buy at
* @param[in ] count Number of items to buy
* @return @c true if the ugv could get bought, @c false otherwise
*/
bool BS_BuyItem (const objDef_t* od, base_t* base, int count)
{
if (!od)
cgi->Com_Error(ERR_DROP, "BS_BuyItem: Called on nullptr objDef!");
if (!base)
cgi->Com_Error(ERR_DROP, "BS_BuyItem: Called on nullptr base!");
if (count <= 0)
return false;
if (!BS_IsOnMarket(od))
return false;
if (ccs.credits < BS_GetItemBuyingPrice(od) * count)
return false;
if (BS_GetItemOnMarket(od) < count)
return false;
if (CAP_GetFreeCapacity(base, CAP_ITEMS) < od->size * count)
return false;
B_AddToStorage(base, od, count);
BS_RemoveItemFromMarket(od, count);
CP_UpdateCredits(ccs.credits - BS_GetItemBuyingPrice(od) * count);
return true;
}
/**
* @brief make number of items change every day.
* @sa CP_CampaignRun
* @sa daily called
* @note This function makes items number on market slowly reach the asymptotic number of items defined in equipment.ufo
* If an item has just been researched, it's not available on market until RESEARCH_LIMIT_DELAY days is reached.
*/
void CP_CampaignRunMarket (campaign_t* campaign)
{
int i;
const float TYPICAL_TIME = 10.f; /**< Number of days to reach the asymptotic number of items */
const int RESEARCH_LIMIT_DELAY = 30; /**< Numbers of days after end of research to wait in order to have
* items added on market */
market_t* market = BS_GetMarket();
assert(campaign->marketDef);
assert(campaign->asymptoticMarketDef);
for (i = 0; i < cgi->csi->numODs; i++) {
const objDef_t* od = INVSH_GetItemByIDX(i);
const technology_t* tech = RS_GetTechForItem(od);
int asymptoticNumber;
if (RS_IsResearched_ptr(tech) && (campaign->marketDef->numItems[i] != 0 || ccs.date.day > tech->researchedDate.day + RESEARCH_LIMIT_DELAY)) {
/* if items are researched for more than RESEARCH_LIMIT_DELAY or was on the initial market,
* there number tend to the value defined in equipment.ufo.
* This value is the asymptotic value if it is not 0, or initial value else */
asymptoticNumber = campaign->asymptoticMarketDef->numItems[i] ? campaign->asymptoticMarketDef->numItems[i] : campaign->marketDef->numItems[i];
} else {
/* items that have just been researched don't appear on market, but they can disappear */
asymptoticNumber = 0;
}
/* Store the evolution of the market in currentEvolution */
market->currentEvolutionItems[i] += (asymptoticNumber - market->numItems[i]) / TYPICAL_TIME;
/* Check if new items appeared or disappeared on market */
if (fabs(market->currentEvolutionItems[i]) >= 1.0f) {
const int num = (int)(market->currentEvolutionItems[i]);
if (num >= 0)
BS_AddItemToMarket(od, num);
else
BS_RemoveItemFromMarket(od, -num);
market->currentEvolutionItems[i] -= num;
}
}
for (i = 0; i < AIRCRAFTTYPE_MAX; i++) {
const humanAircraftType_t type = (humanAircraftType_t)i;
const char* aircraftID = cgi->Com_DropShipTypeToShortName(type);
const aircraft_t* aircraft = AIR_GetAircraft(aircraftID);
const technology_t* tech = aircraft->tech;
int asymptoticNumber;
if (RS_IsResearched_ptr(tech) && (campaign->marketDef->numAircraft[i] != 0 || ccs.date.day > tech->researchedDate.day + RESEARCH_LIMIT_DELAY)) {
/* if aircraft is researched for more than RESEARCH_LIMIT_DELAY or was on the initial market,
* there number tend to the value defined in equipment.ufo.
* This value is the asymptotic value if it is not 0, or initial value else */
asymptoticNumber = campaign->asymptoticMarketDef->numAircraft[i] ? campaign->asymptoticMarketDef->numAircraft[i] : campaign->marketDef->numAircraft[i];
} else {
/* items that have just been researched don't appear on market, but they can disappear */
asymptoticNumber = 0;
}
/* Store the evolution of the market in currentEvolution */
market->currentEvolutionAircraft[i] += (asymptoticNumber - market->numAircraft[i]) / TYPICAL_TIME;
/* Check if new items appeared or disappeared on market */
if (fabs(market->currentEvolutionAircraft[i]) >= 1.0f) {
const int num = (int)(market->currentEvolutionAircraft[i]);
if (num >= 0)
BS_AddAircraftToMarket(aircraft, num);
else
BS_RemoveAircraftFromMarket(aircraft, -num);
market->currentEvolutionAircraft[i] -= num;
}
}
}
