/**
* @brief Attempts to sell a commodity.
* @param wid Window selling commodity from.
* @param str Unused.
*/
static void commodity_sell( unsigned int wid, char* str )
{
(void)str;
char *comname;
Commodity *com;
unsigned int q;
credits_t price;
HookParam hparam[3];
/* Get parameters. */
q = commodity_getMod();
comname = toolkit_getList( wid, "lstGoods" );
com = commodity_get( comname );
price = planet_commodityPrice( land_planet, com );
/* Remove commodity. */
q = pilot_cargoRm( player.p, com, q );
price = price * (credits_t)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_sell", hparam );
if (land_takeoff)
takeoff(1);
}
/**
* @brief Renders the commodity buying modifier.
* @param bx Base X position to render at.
* @param by Base Y position to render at.
* @param w Width to render at.
* @param h Height to render at.
*/
static void commodity_renderMod( double bx, double by, double w, double h, void *data )
{
(void) data;
(void) h;
int q;
char buf[8];
q = commodity_getMod();
snprintf( buf, 8, "%dx", q );
gl_printMid( &gl_smallFont, w, bx, by, &cBlack, buf );
}
/**
* @brief Renders the commodity buying modifier.
* @param bx Base X position to render at.
* @param by Base Y position to render at.
* @param w Width to render at.
* @param h Height to render at.
*/
static void commodity_renderMod( double bx, double by, double w, double h, void *data )
{
(void) data;
(void) h;
int q;
char buf[8];
q = commodity_getMod();
if (q != commodity_mod) {
commodity_update( land_getWid(LAND_WINDOW_COMMODITY), NULL );
commodity_mod = q;
}
nsnprintf( buf, 8, "%dx", q );
gl_printMid( &gl_smallFont, w, bx, by, &cBlack, buf );
}
/**
* @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);
}
static int commodity_canBuy( char *name )
{
int failure;
unsigned int q, price;
Commodity *com;
char buf[ECON_CRED_STRLEN];
failure = 0;
q = commodity_getMod();
com = commodity_get( name );
price = planet_commodityPrice( land_planet, com ) * q;
if (!player_hasCredits( price )) {
credits2str( buf, price - player.p->credits, 2 );
land_errDialogueBuild("You need %s more credits.", buf );
failure = 1;
}
if (pilot_cargoFree(player.p) <= 0) {
land_errDialogueBuild("No cargo space available!");
failure = 1;
}
return !failure;
}