viewing paste cashshop_doc | Diff

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Index: cashshop.c
===================================================================
--- cashshop.c  (revision 17301)
+++ cashshop.c  (working copy)
@@ -15,13 +15,59 @@
 #include <string.h> // memset
 #include <stdlib.h> // atoi
 
-static int cashshop_parse_dbrow( char** str, const char* source, int line );
-
 struct cash_item_db cash_shop_items[CASHSHOP_TAB_SEARCH];
 
 extern char item_cash_db_db[32];
 extern char item_cash_db2_db[32];
 
+/*
+ * Read one line of db and assign it to ram
+ * return
+ *  0 = failure
+ *  1 = succes
+ */
+static int cashshop_parse_dbrow( char** str, const char* source, int line ){
+   uint32 nameid = atoi( str[1] );
+
+   if( itemdb_exists( nameid ) ){
+       uint16 tab = atoi( str[0] );
+       uint32 price = atoi( str[2] );
+       struct cash_item_data* cid;
+       int j;
+
+       if( tab > CASHSHOP_TAB_SEARCH ){
+           ShowWarning( "cashshop_parse_dbrow: Invalid tab %d in line %d of \"%s\", skipping.\n", tab, line, source );
+           return 0;
+       }else if( price < 1 ){
+           ShowWarning( "cashshop_parse_dbrow: Invalid price %d in line %d of \"%s\", skipping.\n", price, line, source );
+           return 0;
+       }
+
+       ARR_FIND( 0, cash_shop_items[tab].count, j, nameid == cash_shop_items[tab].item[j]->nameid );
+
+       if( j == cash_shop_items[tab].count ){
+           RECREATE( cash_shop_items[tab].item, struct cash_item_data *, ++cash_shop_items[tab].count );
+           CREATE( cash_shop_items[tab].item[ cash_shop_items[tab].count - 1], struct cash_item_data, 1 );
+           cid = cash_shop_items[tab].item[ cash_shop_items[tab].count - 1];
+       }else{
+           cid = cash_shop_items[tab].item[j];
+       }
+
+       cid->nameid = nameid;
+       cid->price = price;
+
+       return 1;
+   }else{
+       ShowWarning( "cashshop_parse_dbrow: Invalid id %d in line %d of \"%s\", skipping.\n", nameid, line, source );
+   }
+
+   return 0;
+}
+
+/*
+ * Read database from txt format,
+ * parse line and send them to parse_dbrow
+ */
 static void cashshop_read_db_txt( void ){
    const char* filename[] = { DBPATH"item_cash_db.txt", "item_cash_db2.txt" };
    int fi;
@@ -88,6 +134,10 @@
    }
 }
 
+/*
+ * Read database from sql format,
+ * parse line and send them to parse_dbrow
+ */
 static int cashshop_read_db_sql( void ){
    const char* cash_db_name[] = { item_cash_db_db, item_cash_db2_db };
    int fi;
@@ -128,6 +178,11 @@
    return 0;
 }
 
+/*
+ * Read cashshop database main
+ * choose wich reader to use depending of config :
+ * conf/map_athena.conf  db_use_sqldbs
+ */
 static void cashshop_read_db( void ){
    if( db_use_sqldbs ){
        cashshop_read_db_sql();
@@ -136,44 +191,12 @@
    }
 }
 
-static int cashshop_parse_dbrow( char** str, const char* source, int line ){
-   uint32 nameid = atoi( str[1] );
-
-   if( itemdb_exists( nameid ) ){
-       uint16 tab = atoi( str[0] );
-       uint32 price = atoi( str[2] );
-       struct cash_item_data* cid;
-       int j;
-
-       if( tab > CASHSHOP_TAB_SEARCH ){
-           ShowWarning( "cashshop_parse_dbrow: Invalid tab %d in line %d of \"%s\", skipping.\n", tab, line, source );
-           return 0;
-       }else if( price < 1 ){
-           ShowWarning( "cashshop_parse_dbrow: Invalid price %d in line %d of \"%s\", skipping.\n", price, line, source );
-           return 0;
-       }
-
-       ARR_FIND( 0, cash_shop_items[tab].count, j, nameid == cash_shop_items[tab].item[j]->nameid );
-
-       if( j == cash_shop_items[tab].count ){
-           RECREATE( cash_shop_items[tab].item, struct cash_item_data *, ++cash_shop_items[tab].count );
-           CREATE( cash_shop_items[tab].item[ cash_shop_items[tab].count - 1], struct cash_item_data, 1 );
-           cid = cash_shop_items[tab].item[ cash_shop_items[tab].count - 1];
-       }else{
-           cid = cash_shop_items[tab].item[j];
-       }
-
-       cid->nameid = nameid;
-       cid->price = price;
-
-       return 1;
-   }else{
-       ShowWarning( "cashshop_parse_dbrow: Invalid id %d in line %d of \"%s\", skipping.\n", nameid, line, source );
-   }
-
-   return 0;
-}
-
+/*
+ * Attempt to buy a cashshop item from list
+ * check if valid transaction and if user have enough place to receive item
+ * if yes take cashpoint and give else
+ * else return clif_error
+ */
 void cashshop_buylist( struct map_session_data* sd, uint32 kafrapoints, int n, uint16* item_list ){
    uint32 totalcash = 0;
    uint32 totalweight = 0;
@@ -227,10 +250,7 @@
        totalweight += itemdb_weight( nameid ) * quantity;
    }
 
-   if( ( totalcash - kafrapoints ) > sd->cashPoints || kafrapoints > sd->kafraPoints ){
-       clif_cashshop_result( sd, 0, CASHSHOP_RESULT_ERROR_SHORTTAGE_CASH );
-       return;
-   }else if( ( totalweight + sd->weight ) > sd->max_weight ){
+   if( ( totalweight + sd->weight ) > sd->max_weight ){
        clif_cashshop_result( sd, 0, CASHSHOP_RESULT_ERROR_INVENTORY_WEIGHT );
        return;
    }else if( pc_inventoryblank( sd ) < new_ ){
@@ -238,7 +258,10 @@
        return;
    }
 
-   pc_paycash( sd, totalcash, kafrapoints, LOG_TYPE_CASH );
+   if(pc_paycash( sd, totalcash, kafrapoints, LOG_TYPE_CASH ) < 0){
+       clif_cashshop_result( sd, 0, CASHSHOP_RESULT_ERROR_SHORTTAGE_CASH );
+       return;
+   }
 
    for( i = 0; i < n; ++i ){
        uint32 nameid = *( item_list + i * 5 );
@@ -273,11 +296,19 @@
    clif_cashshop_result( sd, 0, CASHSHOP_RESULT_SUCCESS );
 }
 
+/*
+ * Reload database of cashshop
+ * by destroying and read it again
+ */
 void cashshop_reloaddb( void ){
    do_final_cashshop();
    do_init_cashshop();
 }
 
+/*
+ * Destroy cashshop class
+ * Close all and cleanup
+ */
 int do_final_cashshop( void ){
    int tab, i;
 
@@ -285,15 +316,18 @@
        for( i = 0; i < cash_shop_items[tab].count; i++ ){
            aFree( cash_shop_items[tab].item[i] );
        }
-
        aFree( cash_shop_items[tab].item );
    }
-
    memset( cash_shop_items, 0, sizeof( cash_shop_items ) );
 
    return 0;
 }
 
+/*
+ * Initialise cashshop class
+ * return
+ *  0 : success
+ */
 int do_init_cashshop( void ){
    cashshop_read_db();
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