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if max shares are increased from the IPO, it will be factored into the price

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This commit is contained in:
Lorenc Pekaj 2018-11-07 18:10:36 +11:00
parent 78a597d606
commit d9ce70f323
1 changed files with 37 additions and 12 deletions
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49
gamemodes/irresistible/cnr/features/stocks/stocks.pwn
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@ -35,17 +35,17 @@ static const Float: STOCK_DEFAULT_START_PRICE = 0.0; // the default starting p
/* ** Variables ** */
enum E_STOCK_MARKET_DATA
{
E_NAME[ 64 ], E_SYMBOL[ 4 ], E_DESCRIPTION[ 64 ],
Float: E_MAX_SHARES, Float: E_POOL_FACTOR, Float: E_PRICE_FACTOR,
E_NAME[ 64 ], E_SYMBOL[ 4 ], E_DESCRIPTION[ 64 ],
Float: E_MAX_SHARES, Float: E_POOL_FACTOR, Float: E_PRICE_FACTOR,
Float: E_AVAILABLE_SHARES,
// market maker
Float: E_IPO_SHARES, Float: E_IPO_PRICE, Float: E_MAX_PRICE
Float: E_IPO_SHARES, Float: E_IPO_PRICE, Float: E_MAX_PRICE
};
enum E_STOCK_MARKET_PRICE_DATA
{
E_SQL_ID, Float: E_PRICE, Float: E_POOL
E_SQL_ID, Float: E_PRICE, Float: E_POOL
};
enum
@ -322,13 +322,20 @@ thread StockMarket_InsertReport( stockid, Float: default_start_pool, Float: defa
new Float: price_floor = g_stockMarketData[ stockid ] [ E_IPO_PRICE ] / 2.0;
new Float: new_price = ( g_stockMarketReportData[ stockid ] [ 0 ] [ E_POOL ] / g_stockMarketData[ stockid ] [ E_POOL_FACTOR ] ) * g_stockMarketData[ stockid ] [ E_PRICE_FACTOR ] + price_floor;
// reduce price of shares depending on shares available from the start (200K max shares from IPO 100k means 50% reduction)
new_price *= floatpower( 0.5, g_stockMarketData[ stockid ] [ E_MAX_SHARES ] / g_stockMarketData[ stockid ] [ E_IPO_SHARES ] - 1.0 );
// check if price exceeds maximum price
if ( new_price > g_stockMarketData[ stockid ] [ E_MAX_PRICE ] ) { // dont want wild market caps
new_price = g_stockMarketData[ stockid ] [ E_MAX_PRICE ];
}
else if ( new_price < price_floor ) { // force a minimum of IPO price
new_price = price_floor;
// force a minimum of $1 per share
if ( new_price < 1.0 ) {
new_price = 1.0;
}
// set the new price of the asset
g_stockMarketReportData[ stockid ] [ 0 ] [ E_PRICE ] = new_price;
mysql_single_query( sprintf( "UPDATE `STOCK_REPORTS` SET `PRICE` = %f WHERE `ID` = %d", g_stockMarketReportData[ stockid ] [ 0 ] [ E_PRICE ], g_stockMarketReportData[ stockid ] [ 0 ] [ E_SQL_ID ] ) );
@ -660,12 +667,26 @@ CMD:shares( playerid, params[ ] )
return ShowPlayerShares( playerid );
}
CMD:newreport( playerid, params[ ] ) {
if ( ! IsPlayerAdmin( playerid ) ) return 0;
foreach ( new s : stockmarkets ) {
StockMarket_ReleaseDividends( s );
CMD:astock( playerid, params[ ] )
{
if ( ! IsPlayerAdmin( playerid ) || ! IsPlayerLeadMaintainer( playerid ) ) {
return 0;
}
return 1;
if ( strmatch( params, "update maxshares" ) ) {
foreach ( new s : stockmarkets ) {
UpdateStockMaxShares( s );
}
return SendServerMessage( playerid, "Max shares has been updated for all stocks." );
}
else if ( strmatch( params, "new report" ) ) {
foreach ( new s : stockmarkets ) {
StockMarket_ReleaseDividends( s );
}
UpdateServerVariableInt( "stock_report_time", GetServerTime( ) + STOCK_REPORTING_PERIOD );
return SendServerMessage( playerid, "All stocks have now had their dividends distributed." );
}
return SendUsage( playerid, "/astock [UPDATE MAXSHARES/NEW REPORT]" );
}
/* ** Functions ** */
@ -693,7 +714,7 @@ static stock CreateStockMarket( stockid, const name[ 64 ], const symbol[ 4 ], Fl
mysql_tquery( dbHandle, sprintf( "SELECT * FROM `STOCK_REPORTS` WHERE `STOCK_ID`=%d ORDER BY `REPORTING_TIME` DESC, `ID` DESC LIMIT %d", stockid, sizeof( g_stockMarketReportData[ ] ) ), "Stock_UpdateReportingPeriods", "d", stockid );
// load the maximum number of shares
mysql_tquery( dbHandle, sprintf( "SELECT (SELECT SUM(`SHARES`) FROM `STOCK_OWNERS` WHERE `STOCK_ID`=%d) AS `SHARES_OWNED`, (SELECT SUM(`SHARES`) FROM `STOCK_SELL_ORDERS` WHERE `STOCK_ID`=%d) AS `SHARES_HELD`", stockid, stockid ), "Stock_UpdateMaximumShares", "d", stockid );
UpdateStockMaxShares( stockid );
// add to iterator
Iter_Add( stockmarkets, stockid );
@ -834,6 +855,10 @@ static stock ShowPlayerShares( playerid )
return 1;
}
static stock UpdateStockMaxShares( stockid ) {
mysql_tquery( dbHandle, sprintf( "SELECT (SELECT SUM(`SHARES`) FROM `STOCK_OWNERS` WHERE `STOCK_ID`=%d) AS `SHARES_OWNED`, (SELECT SUM(`SHARES`) FROM `STOCK_SELL_ORDERS` WHERE `STOCK_ID`=%d) AS `SHARES_HELD`", stockid, stockid ), "Stock_UpdateMaximumShares", "d", stockid );
}
/*
DROP TABLE `STOCK_REPORTS`;
CREATE TABLE IF NOT EXISTS `STOCK_REPORTS` (