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use float for prices, reduce data redundancy

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This commit is contained in:
Lorenc Pekaj 2018-10-26 04:58:12 +11:00
parent b1847fffdf
commit 8d8fdc1392
2 changed files with 127 additions and 61 deletions
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179
gamemodes/irresistible/cnr/features/stocks/stocks.pwn
View File

@ -11,7 +11,7 @@
/* ** Definitions ** */ /* ** Definitions ** */
#define MAX_STOCKS ( 32 ) #define MAX_STOCKS ( 32 )
#define STOCK_REPORTING_PERIOD ( 86400 ) // 1 day #define STOCK_REPORTING_PERIOD ( 500 ) // 1 day
#define STOCK_REPORTING_PERIODS ( 30 ) // last 30 periods (days) #define STOCK_REPORTING_PERIODS ( 30 ) // last 30 periods (days)
@ -28,8 +28,8 @@ enum E_STOCK_MARKET_DATA
enum E_STOCK_MARKET_PRICE_DATA enum E_STOCK_MARKET_PRICE_DATA
{ {
E_CURRENT_PRICE, E_SQL_ID, Float: E_PRICE,
E_CURRENT_EARNINGS, E_PREVIOUS_EARNINGS Float: E_EARNINGS
}; };
static stock static stock
@ -41,7 +41,33 @@ static stock
/* ** Hooks ** */ /* ** Hooks ** */
hook OnScriptInit( ) hook OnScriptInit( )
{ {
CreateStockMarket( 0, "The Mining Company", "MC", 10000000, 100 ); // server variables
AddServerVariable( "stock_report_time", "0", GLOBAL_VARTYPE_INT );
// create markets
CreateStockMarket( 0, "The Mining Company", "MC", 50000000, 100 );
return 1;
}
hook OnServerUpdate( )
{
new current_time = GetServerTime( );
new last_reporting = GetServerVariableInt( "stock_report_time" );
// check if its reporting time
if ( current_time > last_reporting )
{
// reporting period
UpdateServerVariableInt( "stock_report_time", current_time + STOCK_REPORTING_PERIOD );
// create a new reporting period for every stock there
foreach ( new s : stockmarkets )
{
StockMarket_CreateReport( s );
}
print( "Successfully created new reporting period for all online companies" );
}
return 1; return 1;
} }
@ -55,17 +81,23 @@ thread Stock_UpdateReportingPeriods( stockid )
{ {
for ( new row = 0; row < rows; row ++ ) for ( new row = 0; row < rows; row ++ )
{ {
g_stockMarketPriceData[ stockid ] [ row ] [ E_CURRENT_PRICE ] = cache_get_field_content_int( row, "CURRENT_PRICE" ); g_stockMarketPriceData[ stockid ] [ row ] [ E_SQL_ID ] = cache_get_field_content_int( row, "ID" );
g_stockMarketPriceData[ stockid ] [ row ] [ E_CURRENT_EARNINGS ] = cache_get_field_content_int( row, "CURRENT_EARNINGS" ); g_stockMarketPriceData[ stockid ] [ row ] [ E_PRICE ] = cache_get_field_content_float( row, "CURRENT_PRICE" );
g_stockMarketPriceData[ stockid ] [ row ] [ E_PREVIOUS_EARNINGS ] = cache_get_field_content_int( row, "PREVIOUS_EARNINGS" ); g_stockMarketPriceData[ stockid ] [ row ] [ E_EARNINGS ] = cache_get_field_content_float( row, "CURRENT_EARNINGS" );
} }
} }
return 1; return 1;
} }
thread StockMarket_InsertReport( stockid )
{
g_stockMarketPriceData[ stockid ] [ 0 ] [ E_SQL_ID ] = cache_insert_id( );
return 1;
}
/* ** Command ** */ /* ** Command ** */
CMD:increase( playerid, params[ ] ) { CMD:increase( playerid, params[ ] ) {
g_stockMarketPriceData[ 0 ] [ 0 ] [ E_CURRENT_EARNINGS ] += strval( params ); StockMarket_UpdateEarnings( 0, strval( params ) );
return 1; return 1;
} }
@ -80,28 +112,23 @@ CMD:stockmarkets( playerid, params[ ] )
foreach ( new s : stockmarkets ) foreach ( new s : stockmarkets )
{ {
printf("%d %d\n", g_stockMarketPriceData[ s ] [ 0 ] [ E_CURRENT_EARNINGS ], g_stockMarketPriceData[ s ] [ 1 ] [ E_CURRENT_EARNINGS ]); printf("%f %f\n", g_stockMarketPriceData[ s ] [ 0 ] [ E_EARNINGS ], g_stockMarketPriceData[ s ] [ 1 ] [ E_EARNINGS ]);
new Float: price_difference = ( ( float( g_stockMarketPriceData[ s ] [ 0 ] [ E_CURRENT_EARNINGS ] ) / float( g_stockMarketPriceData[ s ] [ 1 ] [ E_CURRENT_EARNINGS ] ) ) - 1.0 ) * 100.0; new Float: price_difference = ( g_stockMarketPriceData[ s ] [ 1 ] [ E_EARNINGS ] / g_stockMarketPriceData[ s ] [ 2 ] [ E_EARNINGS ] - 1.0 ) * 100.0;
new current_price = g_stockMarketPriceData[ s ] [ 0 ] [ E_CURRENT_PRICE ]; new Float: current_price = g_stockMarketPriceData[ s ] [ 1 ] [ E_PRICE ];
// prevent integer overflow (over 2.6B)
new Float: market_cap_millions = ( float( g_stockMarketData[ s ] [ E_MAX_SHARES ] ) / 1000000.0 ) * ( float( current_price ) / 1000000.0 );
new Float: market_cap_billions = market_cap_millions / 1000.0;
format( format(
szLargeString, sizeof( szLargeString ), szLargeString, sizeof( szLargeString ),
"%s%s (%s)\t"COL_GREEN"%s\t$%s%s\t%s%s%%\n", "%s%s (%s)\t"COL_GREEN"%s\t%s%s%%\n",
szLargeString, szLargeString,
g_stockMarketData[ s ] [ E_NAME ], g_stockMarketData[ s ] [ E_NAME ],
g_stockMarketData[ s ] [ E_SYMBOL ], g_stockMarketData[ s ] [ E_SYMBOL ],
cash_format( current_price ), cash_format( current_price, .decimals = 0 ),
market_cap_billions > 1.0 ? number_format( market_cap_billions, .decimals = 2 ) : number_format( market_cap_millions, .decimals = 2 ),
market_cap_billions > 1.0 ? ( "B" ) : ( "M" ),
price_difference >= 0.0 ? ( COL_GREEN ) : ( COL_RED ), price_difference >= 0.0 ? ( COL_GREEN ) : ( COL_RED ),
number_format( price_difference, .decimals = 2 ) number_format( price_difference, .decimals = 2 )
); );
} }
SendServerMessage( playerid, "The stock market will close in %s.", secondstotime( GetServerVariableInt( "stock_report_time" ) - GetServerTime( ) ) );
return ShowPlayerDialog( playerid, DIALOG_STOCK_MARKET, DIALOG_STYLE_TABLIST_HEADERS, ""COL_WHITE"Stock Market", szLargeString, "Select", "Close" ); return ShowPlayerDialog( playerid, DIALOG_STOCK_MARKET, DIALOG_STYLE_TABLIST_HEADERS, ""COL_WHITE"Stock Market", szLargeString, "Select", "Close" );
} }
@ -118,9 +145,8 @@ stock CreateStockMarket( stockid, const name[ 64 ], const symbol[ 4 ], max_share
// reset stock price information // reset stock price information
for ( new r = 0; r < sizeof( g_stockMarketPriceData[ ] ); r ++ ) { for ( new r = 0; r < sizeof( g_stockMarketPriceData[ ] ); r ++ ) {
g_stockMarketPriceData[ stockid ] [ r ] [ E_CURRENT_PRICE ] = 0; g_stockMarketPriceData[ stockid ] [ r ] [ E_PRICE ] = 0.0;
g_stockMarketPriceData[ stockid ] [ r ] [ E_CURRENT_EARNINGS ] = 0; g_stockMarketPriceData[ stockid ] [ r ] [ E_EARNINGS ] = 0.0;
g_stockMarketPriceData[ stockid ] [ r ] [ E_PREVIOUS_EARNINGS ] = 0;
} }
// load price information if there is // load price information if there is
@ -134,8 +160,20 @@ stock CreateStockMarket( stockid, const name[ 64 ], const symbol[ 4 ], max_share
stock StockMarket_CreateReport( stockid ) stock StockMarket_CreateReport( stockid )
{ {
new old_earnings = g_stockMarketPriceData[ stockid ] [ 0 ] [ E_CURRENT_EARNINGS ]; // limit a 20% loss for players
new old_price = g_stockMarketPriceData[ stockid ] [ 0 ] [ E_CURRENT_PRICE ]; new Float: circuit_breaker = g_stockMarketPriceData[ stockid ] [ 1 ] [ E_EARNINGS ] * 0.8;
if ( g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ] < circuit_breaker ) {
g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ] = circuit_breaker;
}
// change stock price proportional to earnings increase/decrease
new Float: price_difference = g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ] / g_stockMarketPriceData[ stockid ] [ 1 ] [ E_EARNINGS ];
printf("Earnings %f\n", price_difference );
if ( ( g_stockMarketPriceData[ stockid ] [ 0 ] [ E_PRICE ] = g_stockMarketPriceData[ stockid ] [ 1 ] [ E_PRICE ] * price_difference ) < 1.0 ) {
g_stockMarketPriceData[ stockid ] [ 0 ] [ E_PRICE ] = 1.0;
}
// store temporary stock info // store temporary stock info
new temp_stock_price_data[ MAX_STOCKS ] [ STOCK_REPORTING_PERIODS ] [ E_STOCK_MARKET_PRICE_DATA ]; new temp_stock_price_data[ MAX_STOCKS ] [ STOCK_REPORTING_PERIODS ] [ E_STOCK_MARKET_PRICE_DATA ];
@ -143,58 +181,77 @@ stock StockMarket_CreateReport( stockid )
// shift all earnings by one // shift all earnings by one
for ( new r = 0; r < sizeof( g_stockMarketPriceData[ ] ) - 2; r ++ ) { for ( new r = 0; r < sizeof( g_stockMarketPriceData[ ] ) - 2; r ++ ) {
g_stockMarketPriceData[ stockid ] [ r + 1 ] [ E_PRICE ] = temp_stock_price_data[ stockid ] [ r ] [ E_PRICE ];
g_stockMarketPriceData[ stockid ] [ r + 1 ] [ E_CURRENT_PRICE ] = temp_stock_price_data[ stockid ] [ r ] [ E_CURRENT_PRICE ]; g_stockMarketPriceData[ stockid ] [ r + 1 ] [ E_EARNINGS ] = temp_stock_price_data[ stockid ] [ r ] [ E_EARNINGS ];
g_stockMarketPriceData[ stockid ] [ r + 1 ] [ E_CURRENT_EARNINGS ] = temp_stock_price_data[ stockid ] [ r ] [ E_CURRENT_EARNINGS ];
g_stockMarketPriceData[ stockid ] [ r + 1 ] [ E_PREVIOUS_EARNINGS ] = temp_stock_price_data[ stockid ] [ r ] [ E_PREVIOUS_EARNINGS ];
} }
// price difference // set current price to previous reporting period price
new Float: price_change = float( g_stockMarketPriceData[ stockid ] [ 0 ] [ E_CURRENT_EARNINGS ] ) / float( old_earnings ); g_stockMarketPriceData[ stockid ] [ 0 ] [ E_PRICE ] = g_stockMarketPriceData[ stockid ] [ 1 ] [ E_PRICE ];
// circuit breaker ... max 20% loss // reset earnings
if ( price_change < 0.8 ) { g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ] = 0.0; // set to 0
price_change = 0.8;
}
new new_price = floatround( float( old_price ) * price_change ); // insert to database the old information
mysql_format(
dbHandle, szBigString, sizeof ( szBigString ),
"INSERT INTO `STOCK_REPORTS` (`STOCK_ID`, `CURRENT_PRICE`, `CURRENT_EARNINGS`) VALUES (%d, %f, %f)",
stockid,
g_stockMarketPriceData[ stockid ] [ 0 ] [ E_PRICE ],
g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ]
);
// minimum stock price should be $10 mysql_tquery( dbHandle, szBigString, "StockMarket_InsertReport", "d", stockid );
if ( new_price < 1 ) {
new_price = 1;
}
// set information
g_stockMarketPriceData[ stockid ] [ 0 ] [ E_CURRENT_PRICE ] = new_price;
g_stockMarketPriceData[ stockid ] [ 0 ] [ E_CURRENT_EARNINGS ] = 0; // set to 0
g_stockMarketPriceData[ stockid ] [ 0 ] [ E_PREVIOUS_EARNINGS ] = old_earnings;
// insert to database
//
erase(szLargeString);
// shift all earnings by one
for ( new r = 0; r < sizeof( g_stockMarketPriceData[ ] ); r ++ ) {
format( szLargeString, 1024, "%s{%d,%d,%d}, ", szLargeString, g_stockMarketPriceData[ stockid ] [ r ] [ E_CURRENT_PRICE ], g_stockMarketPriceData[ stockid ] [ r ] [ E_CURRENT_EARNINGS ], g_stockMarketPriceData[ stockid ] [ r ] [ E_PREVIOUS_EARNINGS ] );
}
printf("%s\n",szLargeString);
return 1; return 1;
} }
stock StockMarket_GetCurrentPrice( stockid ) { stock StockMarket_UpdateEarnings( stockid, amount )
return g_stockMarketPriceData[ stockid ] [ 0 ] [ E_CURRENT_PRICE ]; {
if ( ! Iter_Contains( stockmarkets, stockid ) )
return 0;
printf( "Current Earnings: %f, Prior Earnings: %f", g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ], g_stockMarketPriceData[ stockid ] [ 1 ] [ E_EARNINGS ] );
g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ] += amount;
mysql_single_query( sprintf( "UPDATE `STOCK_REPORTS` SET `CURRENT_EARNINGS` = `CURRENT_EARNINGS` + %d WHERE `ID` = %d", g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ], g_stockMarketPriceData[ stockid ] [ 0 ] [ E_SQL_ID ] ) );
return 1;
}
stock Float: StockMarket_GetEarnings( stockid ) {
return g_stockMarketPriceData[ stockid ] [ 0 ] [ E_EARNINGS ];
}
stock Float: StockMarket_GetCurrentPrice( stockid ) {
return g_stockMarketPriceData[ stockid ] [ 0 ] [ E_PRICE ];
}
stock StockMarket_MakeSellOrder( stockid, accountid, Float: shares, Float: price )
{
//INSERT INTO `STOCK_ORDERS` (`USER_ID`, `STOCK_ID`, ``)
return 1;
} }
/* /*
CREATE TABLE IF NOT EXISTS `STOCK_REPORTS` ( CREATE TABLE IF NOT EXISTS `STOCK_REPORTS` (
`ID` int(11) primary key auto_increment,
`STOCK_ID` int(11), `STOCK_ID` int(11),
`CURRENT_PRICE` int(11), `CURRENT_PRICE` float,
`CURRENT_EARNINGS` int(11), `CURRENT_EARNINGS` float,
`PREVIOUS_EARNINGS` int(11),
`REPORTING_TIME` TIMESTAMP default CURRENT_TIMESTAMP `REPORTING_TIME` TIMESTAMP default CURRENT_TIMESTAMP
); );
CREATE TABLE IF NOT EXISTS `STOCK_OWNERS` (
`ID` int(11) primary key auto_increment,
`USER_ID` int(11),
`STOCK_ID` int(11),
`SHARES` float,
`PRICE` float
);
CREATE TABLE IF NOT EXISTS `STOCK_ORDERS` (
`ID` int(11) primary key auto_increment,
`USER_ID` int(11),
`STOCK_ID` int(11),
`SHARES` float,
`PRICE` float,
);
*/ */

9
gamemodes/irresistible/servervars.pwn
View File

@ -12,6 +12,15 @@
/* ** Includes ** */ /* ** Includes ** */
#include < YSI\y_hooks > #include < YSI\y_hooks >
/* ** Macros ** */
#define GetServerVariableInt GetGVarInt
#define UpdateServerVariableString(%0,%1) \
(UpdateServerVariable(%0, 0, 0, %1, GLOBAL_VARTYPE_STRING))
#define UpdateServerVariableInt(%0,%1) \
(UpdateServerVariable(%0, %1, 0, "", GLOBAL_VARTYPE_INT))
/* ** Hooks ** */ /* ** Hooks ** */
hook OnGameModeInit( ) hook OnGameModeInit( )
{ {