add buy slip functionality with initial market maker ... work on /shares
This commit is contained in:
Lorenc Pekaj
parent
8d8fdc1392
commit
1d99d05bcb
@ -16,6 +16,9 @@
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#define STOCK_REPORTING_PERIODS ( 30 ) // last 30 periods (days)
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#define DIALOG_STOCK_MARKET 8923
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#define DIALOG_STOCK_MARKET_BUY 8925
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#define STOCK_MM_USER_ID ( 0 )
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/* ** Variables ** */
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enum E_STOCK_MARKET_DATA
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@ -23,7 +26,7 @@ enum E_STOCK_MARKET_DATA
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E_NAME[ 64 ], E_SYMBOL[ 4 ], E_MAX_SHARES,
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// market maker
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E_MM_SHARES, E_MM_IPO_PRICE
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Float: E_IPO_SHARES, Float: E_IPO_PRICE
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};
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enum E_STOCK_MARKET_PRICE_DATA
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@ -38,6 +41,11 @@ static stock
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Iterator: stockmarkets < MAX_STOCKS >
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;
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/* ** Forwards / Getters ** */
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stock Float: StockMarket_GetCurrentPrice( stockid ) {
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return g_stockMarketPriceData[ stockid ] [ 0 ] [ E_PRICE ];
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}
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/* ** Hooks ** */
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hook OnScriptInit( )
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{
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@ -45,7 +53,7 @@ hook OnScriptInit( )
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AddServerVariable( "stock_report_time", "0", GLOBAL_VARTYPE_INT );
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// create markets
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CreateStockMarket( 0, "The Mining Company", "MC", 50000000, 100 );
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CreateStockMarket( 0, "The Mining Company", "MC", 1000000, 100 );
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return 1;
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}
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@ -71,6 +79,51 @@ hook OnServerUpdate( )
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return 1;
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}
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hook OnDialogResponse( playerid, dialogid, response, listitem, inputtext[ ] )
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{
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if ( dialogid == DIALOG_STOCK_MARKET && response )
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{
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new
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x = 0;
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foreach ( new s : stockmarkets )
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{
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if ( x == listitem )
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{
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SetPVarInt( playerid, "stockmarket_selection", s );
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StockMarket_ShowBuySlip( playerid, s );
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}
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x ++;
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}
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return 1;
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}
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else if ( dialogid == DIALOG_STOCK_MARKET_BUY )
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{
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new
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stockid = GetPVarInt( playerid, "stockmarket_selection" );
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if ( response )
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{
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new
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Float: shares;
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if ( sscanf( inputtext, "f", shares ) ) SendError( playerid, "You must use a valid value." );
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else if ( shares <= 10.0 ) SendError( playerid, "The minimum number of shares you can buy is 10." );
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else
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{
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mysql_tquery( dbHandle, sprintf( "SELECT * FROM `STOCK_OWNERS` WHERE `STOCK_ID` = %d AND `USER_ID` = %d", stockid, STOCK_MM_USER_ID ), "StockMarket_OnPurchaseOrder", "ddf", playerid, stockid, shares );
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return 1;
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}
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return StockMarket_ShowBuySlip( playerid, stockid );
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}
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else
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{
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return cmd_stockmarkets( playerid, "" );
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}
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}
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return 1;
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}
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/* ** SQL Thread ** */
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thread Stock_UpdateReportingPeriods( stockid )
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{
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@ -86,6 +139,17 @@ thread Stock_UpdateReportingPeriods( stockid )
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g_stockMarketPriceData[ stockid ] [ row ] [ E_EARNINGS ] = cache_get_field_content_float( row, "CURRENT_EARNINGS" );
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}
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}
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else // no historical reporting data, restock the market maker
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{
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// set current stock market prices to IPO
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g_stockMarketPriceData[ stockid ] [ 1 ] [ E_PRICE ] = g_stockMarketData[ stockid ] [ E_IPO_PRICE ];
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// create report for the company using the IPO price
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StockMarket_CreateReport( stockid );
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// give market maker shares
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StockMarket_GiveShares( stockid, STOCK_MM_USER_ID, g_stockMarketData[ stockid ] [ E_IPO_SHARES ] ); // , g_stockMarketData[ stockid ] [ E_IPO_PRICE ]
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}
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return 1;
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}
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@ -95,6 +159,101 @@ thread StockMarket_InsertReport( stockid )
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return 1;
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}
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thread StockMarket_OnPurchaseOrder( playerid, stockid, Float: shares )
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{
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new
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rows = cache_get_row_count( );
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if ( ! rows ) {
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return SendError( playerid, "This stock has no available shares for sale." );
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}
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// check if the player has the money for the purchase
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new Float: ask_price = g_stockMarketPriceData[ stockid ] [ 1 ] [ E_PRICE ];
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new purchase_cost = floatround( ask_price * shares );
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if ( GetPlayerCash( playerid ) < purchase_cost ) {
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return SendError( playerid, "You need at least %s to purchase this many shares.", cash_format( purchase_cost ) ), StockMarket_ShowBuySlip( playerid, stockid ), 1;
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}
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// check if quantity is valid
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new Float: available_quantity = cache_get_field_content_float( 0, "SHARES" );
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if ( shares > available_quantity ) {
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return SendError( playerid, "There are not that many shares available for sale." ), StockMarket_ShowBuySlip( playerid, stockid ), 1;
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}
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// reduce the market makers shares
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StockMarket_GiveShares( stockid, STOCK_MM_USER_ID, -shares );
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// increment the players shares
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StockMarket_GiveShares( stockid, GetPlayerAccountID( playerid ), shares );
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// reduce player balance and alert
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GivePlayerCash( playerid, -purchase_cost );
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SendServerMessage( playerid, "You have successfully purchased %s shares of %s (@ %s/ea) for %s.", number_format( shares, .decimals = 3 ), g_stockMarketData[ stockid ] [ E_NAME ], cash_format( ask_price, .decimals = 2 ), cash_format( purchase_cost ) );
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return 1;
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}
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thread StockMarket_OnShowBuySlip( playerid, stockid )
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{
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new
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rows = cache_get_row_count( );
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if ( ! rows ) {
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return SendError( playerid, "This stock does now have any shares available to buy." );
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}
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new
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Float: available_quantity = cache_get_field_content_float( 0, "SHARES" );
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format(
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szBigString, sizeof ( szBigString ),
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""COL_WHITE"You can buy shares of %s for "COL_GREEN"%s"COL_WHITE" each.\n\nThere are %s available shares to buy.",
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g_stockMarketData[ stockid ] [ E_NAME ],
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cash_format( g_stockMarketPriceData[ stockid ] [ 1 ] [ E_PRICE ], .decimals = 2 ),
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number_format( available_quantity, .decimals = 3 )
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);
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ShowPlayerDialog( playerid, DIALOG_STOCK_MARKET_BUY, DIALOG_STYLE_INPUT, ""COL_WHITE"Stock Market", szBigString, "Buy", "Close" );
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return 1;
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}
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thread StockMarket_OnShowShares( playerid )
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{
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new
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rows = cache_get_row_count( );
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if ( ! rows ) {
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return SendError( playerid, "This stock does now have any shares available to buy." );
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}
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szLargeString = ""COL_WHITE"Stock\t"COL_WHITE"Total Shares\t"COL_WHITE"Current Price ($)\t"COL_GREEN"Value ($)\n";
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for ( new row = 0; row < rows; row ++ )
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{
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new
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stockid = cache_get_field_content_int( row, "ID" );
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if ( Iter_Contains( stockmarkets, stockid ) )
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{
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new Float: current_price = StockMarket_GetCurrentPrice( stockid );
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new Float: shares = cache_get_field_content_float( row, "SHARES" );
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format(
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szLargeString, sizeof( szLargeString ),
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"%s%s (%s)\t%s\t%s\t"COL_GREEN"%s\n",
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szLargeString,
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g_stockMarketData[ stockid ] [ E_NAME ],
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g_stockMarketData[ stockid ] [ E_SYMBOL ],
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number_format( shares, .decimals = 3 ),
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cash_format( current_price, .decimals = 2 ),
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cash_format( floatround( shares * current_price ) )
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);
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}
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}
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return ShowPlayerDialog( playerid, DIALOG_STOCK_MARKET, DIALOG_STYLE_TABLIST_HEADERS, ""COL_WHITE"Stock Market", szLargeString, "Sell", "Close" ), 1;
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}
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/* ** Command ** */
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CMD:increase( playerid, params[ ] ) {
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StockMarket_UpdateEarnings( 0, strval( params ) );
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@ -106,9 +265,10 @@ CMD:newreport( playerid, params[ ] ) {
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return 1;
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}
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CMD:stocks( playerid, params[ ] ) return cmd_stockmarkets( playerid, params );
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CMD:stockmarkets( playerid, params[ ] )
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{
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szLargeString = ""COL_WHITE"Stock\t"COL_WHITE"Current Price\t"COL_WHITE"Market Capitalization\t"COL_WHITE"Price Change (24H)\n";
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szLargeString = ""COL_WHITE"Stock\t"COL_WHITE"Current Price\t"COL_WHITE"Price Change (24H)\n";
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foreach ( new s : stockmarkets )
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{
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@ -129,24 +289,30 @@ CMD:stockmarkets( playerid, params[ ] )
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}
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SendServerMessage( playerid, "The stock market will close in %s.", secondstotime( GetServerVariableInt( "stock_report_time" ) - GetServerTime( ) ) );
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return ShowPlayerDialog( playerid, DIALOG_STOCK_MARKET, DIALOG_STYLE_TABLIST_HEADERS, ""COL_WHITE"Stock Market", szLargeString, "Select", "Close" );
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return ShowPlayerDialog( playerid, DIALOG_STOCK_MARKET, DIALOG_STYLE_TABLIST_HEADERS, ""COL_WHITE"Stock Market", szLargeString, "Buy", "Close" );
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}
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CMD:shares( playerid, params[ ] )
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{
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mysql_tquery( dbHandle, sprintf( "SELECT * FROM `STOCK_OWNERS` WHERE `USER_ID` = %d", GetPlayerAccountID( playerid ) ), "StockMarket_OnShowShares", "d", playerid );
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return 1;
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}
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/* ** Functions ** */
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stock CreateStockMarket( stockid, const name[ 64 ], const symbol[ 4 ], max_shares, ipo_price )
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stock CreateStockMarket( stockid, const name[ 64 ], const symbol[ 4 ], Float: ipo_shares, Float: ipo_price )
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{
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if ( ! Iter_Contains( stockmarkets, stockid ) )
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{
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strcpy( g_stockMarketData[ stockid ] [ E_NAME ], name );
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strcpy( g_stockMarketData[ stockid ] [ E_SYMBOL ], symbol );
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g_stockMarketData[ stockid ] [ E_MM_SHARES ] = max_shares;
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g_stockMarketData[ stockid ] [ E_MM_IPO_PRICE ] = ipo_price;
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g_stockMarketData[ stockid ] [ E_IPO_SHARES ] = ipo_shares;
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g_stockMarketData[ stockid ] [ E_IPO_PRICE ] = ipo_price;
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// reset stock price information
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for ( new r = 0; r < sizeof( g_stockMarketPriceData[ ] ); r ++ ) {
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g_stockMarketPriceData[ stockid ] [ r ] [ E_PRICE ] = 0.0;
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g_stockMarketPriceData[ stockid ] [ r ] [ E_EARNINGS ] = 0.0;
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g_stockMarketPriceData[ stockid ] [ r ] [ E_EARNINGS ] = 1.0;
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}
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// load price information if there is
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@ -189,7 +355,7 @@ stock StockMarket_CreateReport( stockid )
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g_stockMarketPriceData[ stockid ] [ 0 ] [ E_PRICE ] = g_stockMarketPriceData[ stockid ] [ 1 ] [ E_PRICE ];
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// reset earnings
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g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ] = 0.0; // set to 0
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g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ] = 1.0; // set to 1 instead of 0 to prevent errors
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// insert to database the old information
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mysql_format(
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@ -200,6 +366,8 @@ stock StockMarket_CreateReport( stockid )
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g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ]
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);
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// todo: adjust sell orders
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mysql_tquery( dbHandle, szBigString, "StockMarket_InsertReport", "d", stockid );
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return 1;
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}
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@ -219,18 +387,23 @@ stock Float: StockMarket_GetEarnings( stockid ) {
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return g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ];
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}
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stock Float: StockMarket_GetCurrentPrice( stockid ) {
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return g_stockMarketPriceData[ stockid ] [ 0 ] [ E_PRICE ];
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stock StockMarket_GiveShares( stockid, accountid, Float: shares )
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{
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mysql_format(
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dbHandle, szBigString, sizeof ( szBigString ),
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"INSERT INTO `STOCK_OWNERS` (`USER_ID`, `STOCK_ID`, `SHARES`) VALUES (%d, %d, %f) ON DUPLICATE KEY UPDATE `SHARES` = `SHARES` + %f",
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accountid, stockid, shares, shares
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);
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mysql_single_query( szBigString );
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}
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stock StockMarket_MakeSellOrder( stockid, accountid, Float: shares, Float: price )
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static stock StockMarket_ShowBuySlip( playerid, stockid )
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{
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//INSERT INTO `STOCK_ORDERS` (`USER_ID`, `STOCK_ID`, ``)
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mysql_tquery( dbHandle, sprintf( "SELECT * FROM `STOCK_OWNERS` WHERE `STOCK_ID` = %d AND `USER_ID` = %d", stockid, STOCK_MM_USER_ID ), "StockMarket_OnShowBuySlip", "dd", playerid, stockid );
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return 1;
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}
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/*
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CREATE TABLE IF NOT EXISTS `STOCK_REPORTS` (
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`ID` int(11) primary key auto_increment,
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`STOCK_ID` int(11),
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@ -240,18 +413,16 @@ stock StockMarket_MakeSellOrder( stockid, accountid, Float: shares, Float: price
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);
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CREATE TABLE IF NOT EXISTS `STOCK_OWNERS` (
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`ID` int(11) primary key auto_increment,
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`USER_ID` int(11),
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`STOCK_ID` int(11),
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`SHARES` float,
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`PRICE` float
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PRIMARY KEY (USER_ID, STOCK_ID)
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);
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CREATE TABLE IF NOT EXISTS `STOCK_ORDERS` (
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CREATE TABLE IF NOT EXISTS `STOCK_TRADE_LOG` (
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`ID` int(11) primary key auto_increment,
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`USER_ID` int(11),
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`STOCK_ID` int(11),
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`SHARES` float,
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`PRICE` float,
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);
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)
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*/
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