/**
* @brief Buys the selected commodity.
* @param wid Window buying from.
* @param str Unused.
*/
static void commodity_buy( unsigned int wid, char* str )
{
(void)str;
char *comname;
Commodity *com;
unsigned int q;
credits_t price;
HookParam hparam[3];
/* Get selected. */
q = commodity_getMod();
comname = toolkit_getList( wid, "lstGoods" );
com = commodity_get( comname );
price = planet_commodityPrice( land_planet, com );
price *= q;
/* Check stuff. */
if (!player_hasCredits( price )) {
dialogue_alert( "Insufficient credits!" );
return;
}
else if (pilot_cargoFree(player.p) <= 0) {
dialogue_alert( "Insufficient free space!" );
return;
}
/* Make the buy. */
q = pilot_cargoAdd( player.p, com, q );
player_modCredits( -price );
land_checkAddRefuel();
commodity_update(wid, NULL);
/* Run hooks. */
hparam[0].type = HOOK_PARAM_STRING;
hparam[0].u.str = comname;
hparam[1].type = HOOK_PARAM_NUMBER;
hparam[1].u.num = q;
hparam[2].type = HOOK_PARAM_SENTINEL;
hooks_runParam( "comm_buy", hparam );
if (land_takeoff)
takeoff(1);
}
/**
* @brief Adds special mission cargo, can't sell it and such.
*
* @param pilot Pilot to add it to.
* @param cargo Commodity to add.
* @param quantity Quantity to add.
* @return The Mission Cargo ID of created cargo.
*/
unsigned int pilot_addMissionCargo( Pilot* pilot, Commodity* cargo, int quantity )
{
int i;
unsigned int id, max_id;
/* Get ID. */
id = ++mission_cargo_id;
/* Check for collisions with pilot and set ID generator to the max. */
max_id = 0;
for (i=0; i<pilot->ncommodities; i++)
if (pilot->commodities[i].id > max_id)
max_id = pilot->commodities[i].id;
if (max_id >= id) {
mission_cargo_id = max_id;
id = ++mission_cargo_id;
}
/* Add the cargo. */
pilot_cargoAdd( pilot, cargo, quantity, id );
return id;
}