PC controls for skids
[carveJwlIkooP6JGAAIwe30JlM.git] / highscores.h
index 7ea5413173df1895b40a857971d5a5d8110ed2bc..0c4ae54131fe58546f0a2798652a56d05af5d636 100644 (file)
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
+ */
+
 #ifndef HIGHSCORES_H
 #define HIGHSCORES_H
 
@@ -21,7 +25,7 @@ typedef struct highscore_playerinfo highscore_playerinfo;
 
 struct highscore_playerinfo
 {
-   char nickname[10];
+   char nickname[16];
    u64 playerid;
 
    union
@@ -87,545 +91,22 @@ static struct highscore_system
           aainfo_playerinfo_playerid,
           aainfo_playerinfo;
 
-   void *data, *playerinfo_data;
-}
-highscore_system;
-
-static int highscore_cmp_points( void *a, void *b )
-{
-   highscore_record *pa = a, *pb = b;
-   return (int)pa->points - (int)pb->points;
-}
-
-static int highscore_cmp_datetime( void *a, void *b )
-{
-   highscore_record *pa = a, *pb = b;
-   
-   if( pa->datetime == pb->datetime ) return 0;
-   return pa->datetime < pb->datetime? 1: -1;
-}
-
-static int highscore_cmp_time( void *a, void *b )
-{
-   highscore_record *pa = a, *pb = b;
-   return (int)pb->time - (int)pa->time;
-}
-
-static int highscore_cmp_playerid( void *a, void *b )
-{
-   highscore_record *pa = a, *pb = b;
-   if( pa->playerid == pb->playerid ) return 0;
-   return pa->playerid < pb->playerid? -1: 1;
-}
-
-static int highscore_cmp_playerinfo_playerid( void *a, void *b )
-{
-   highscore_playerinfo *pa = a, *pb = b;
-   if( pa->playerid == pb->playerid ) return 0;
-   return pa->playerid < pb->playerid? -1: 1;
-}
-
-static void *highscore_malloc( u32 count, u32 size )
-{
-   size_t requested_mem = size * count;
-   void *data = vg_alloc( requested_mem );
-
-   requested_mem /= 1024;
-   requested_mem /= 1024;
-
-   if( !data )
-   {
-      vg_error( "Could not allocated %dmb of memory\n", requested_mem );
-      return NULL;
-   }
-   else
-      vg_success( "Allocated %dmb for %u records\n", requested_mem, count );
-
-   return data;
-}
-
-static void highscores_free(void)
-{
-   vg_free( highscore_system.data );
-   vg_free( highscore_system.playerinfo_data );
-}
-
-static int highscores_init( u32 pool_size, u32 playerinfo_pool_size )
-{
-   struct highscore_system *sys = &highscore_system;
-
-   sys->data = highscore_malloc( pool_size, sizeof(highscore_record) );
-   if( !sys->data ) return 0;
-
-   sys->playerinfo_data = 
-      highscore_malloc( playerinfo_pool_size, sizeof(highscore_playerinfo));
-   if( !sys->playerinfo_data ) 
-   {
-      vg_free( sys->data );
-      return 0;
-   }
-
-   /* This is ugly.. too bad! */
-   sys->aainfo.base = highscore_system.data;
-   sys->aainfo.stride = sizeof(highscore_record);
-   sys->aainfo.offset = offsetof(highscore_record,pool);
-   sys->aainfo.p_cmp = NULL;
-
-   sys->aainfo_datetime.base = highscore_system.data;
-   sys->aainfo_datetime.stride = sizeof(highscore_record);
-   sys->aainfo_datetime.offset = offsetof(highscore_record,aa.datetime);
-   sys->aainfo_datetime.p_cmp = highscore_cmp_datetime;
-
-   sys->aainfo_points.base = highscore_system.data;
-   sys->aainfo_points.stride = sizeof(highscore_record);
-   sys->aainfo_points.offset = offsetof(highscore_record,aa.points);
-   sys->aainfo_points.p_cmp = highscore_cmp_points;
-
-   sys->aainfo_time.base = highscore_system.data;
-   sys->aainfo_time.stride = sizeof(highscore_record);
-   sys->aainfo_time.offset = offsetof(highscore_record,aa.time);
-   sys->aainfo_time.p_cmp = highscore_cmp_time;
-
-   sys->aainfo_playerid.base = highscore_system.data;
-   sys->aainfo_playerid.stride = sizeof(highscore_record);
-   sys->aainfo_playerid.offset = offsetof(highscore_record,aa.playerid);
-   sys->aainfo_playerid.p_cmp = highscore_cmp_playerid;
-
-   sys->aainfo_playerinfo_playerid.base = highscore_system.playerinfo_data;
-   sys->aainfo_playerinfo_playerid.stride = sizeof(highscore_playerinfo);
-   sys->aainfo_playerinfo_playerid.offset = 
-      offsetof(highscore_playerinfo,aa_playerid);
-   sys->aainfo_playerinfo_playerid.p_cmp = highscore_cmp_playerinfo_playerid;
-
-   sys->aainfo_playerinfo.base = highscore_system.playerinfo_data;
-   sys->aainfo_playerinfo.stride = sizeof(highscore_playerinfo);
-   sys->aainfo_playerinfo.offset = offsetof(highscore_playerinfo,aapn);
-   sys->aainfo_playerinfo.p_cmp = NULL;
-
-   FILE *fp = fopen( ".aadb", "rb" );
-   if( fp )
-   {
-      vg_info( "Loading existing database\n" );
-      
-      u64 count = fread( &sys->dbheader, sizeof(highscore_database), 1, fp );
-
-      if( count != 1 )
-      {
-         vg_error( "Unexpected EOF reading database header\n" );
-         
-         highscores_free();
-         return 0;
-      }
-
-      count = fread( sys->data, sizeof(highscore_record), pool_size, fp );
-      if( count != pool_size )
-      {
-         vg_error( "Unexpected EOF reading database contents;"
-                   " %lu records of %u were read\n", count, pool_size );
-
-         highscores_free();
-         return 0;
-      }
-
-      count = fread( sys->playerinfo_data, sizeof(highscore_playerinfo),
-                     playerinfo_pool_size, fp );
-      if( count != playerinfo_pool_size )
-      {
-         vg_error( "Unexpected EOF reading playerinfo contents;"
-                   " %lu records of %u were read\n", count, 
-                   playerinfo_pool_size );
-         
-         highscores_free();
-         return 0;
-      }
-
-      fclose( fp );
-   }
-   else
-   {
-      vg_low( "No existing database found (.aadb)\n" );
-      vg_info( "Initializing database nodes\n" );
-      memset( &sys->dbheader, 0, sizeof(highscore_database) );
-
-      sys->dbheader.pool_head = aatree_init_pool( &sys->aainfo, pool_size );
-      sys->dbheader.entry_capacity = pool_size;
-
-      for( int i=0; i<vg_list_size(sys->dbheader.tracks); i++ )
-      {
-         highscore_track_table *table = &sys->dbheader.tracks[i];
-         table->root_points = AATREE_PTR_NIL;
-         table->root_playerid = AATREE_PTR_NIL;
-         table->root_time = AATREE_PTR_NIL;
-         table->root_datetime = AATREE_PTR_NIL;
-      }
-
-      /* Initialize secondary db */
-      sys->dbheader.playerinfo_head = aatree_init_pool( 
-            &sys->aainfo_playerinfo,
-            playerinfo_pool_size );
-      sys->dbheader.playerinfo_capacity = playerinfo_pool_size;
-      sys->dbheader.playerinfo_root = AATREE_PTR_NIL;
-   }
-
-   return 1;
-}
-
-static int highscores_serialize_all(void)
-{
-   struct highscore_system *sys = &highscore_system;
-   vg_info( "Serializing database\n" );
-
-   FILE *fp = fopen( ".aadb", "wb" );
-
-   if( !fp )
-   {
-      vg_error( "Could not open .aadb\n" );
-      return 0;
-   }
-
-   fwrite( &sys->dbheader, sizeof(highscore_database), 1, fp );
-   fwrite( sys->data, sizeof(highscore_record), 
-           sys->dbheader.entry_capacity, fp );
-   fwrite( sys->playerinfo_data, sizeof(highscore_playerinfo),
-            sys->dbheader.playerinfo_capacity, fp );
-
-   fclose( fp );
-   return 1;
-}
-
-static highscore_record *highscore_find_user_record( u64 playerid, u32 trackid )
-{
-   struct highscore_system *sys = &highscore_system;
-
-   highscore_track_table *table = &sys->dbheader.tracks[trackid];
-   highscore_record temp;
-   temp.playerid = playerid;
-
-   aatree_ptr find = 
-      aatree_find( &sys->aainfo_playerid, table->root_playerid, &temp );
-
-   if( find == AATREE_PTR_NIL )
-      return NULL;
-
-   return aatree_get_data( &sys->aainfo_playerid, find );
-}
-
-static aatree_ptr highscores_push_record( highscore_record *record )
-{
-   struct highscore_system *sys = &highscore_system;
-
-   /* TODO: Verify steam ID */
-   vg_low( "Inserting record into database for track %hu\n",record->trackid );
-
-   if( record->trackid >= vg_list_size(sys->dbheader.tracks) )
-   {
-      vg_error( "TrackID out of range (%hu>=%d)\n", record->trackid,
-                  vg_list_size(sys->dbheader.tracks) );
-
-      return AATREE_PTR_NIL;
-   }
-
-   /* Search for existing record on this track */
-   highscore_track_table *table = &sys->dbheader.tracks[record->trackid];
-   aatree_ptr existing = aatree_find( &sys->aainfo_playerid, 
-                                       table->root_playerid,
-                                       record );
-
-   if( existing != AATREE_PTR_NIL )
-   {
-      highscore_record *crecord = aatree_get_data( &sys->aainfo_playerid, 
-                                                   existing );
-
-      if( crecord->time < record->time || 
-            (crecord->time == record->time && crecord->points > record->points))
-      {
-         vg_low( "Not overwriting better score\n" );
-         return existing;
-      }
-
-      vg_low( "Freeing existing record for player %lu\n", record->playerid );
-      table->root_playerid = aatree_del( &sys->aainfo_playerid, existing );
-      table->root_datetime = aatree_del( &sys->aainfo_datetime, existing );
-      table->root_points = aatree_del( &sys->aainfo_points, existing );
-      table->root_time = aatree_del( &sys->aainfo_time, existing );
-
-      aatree_pool_free( &sys->aainfo, existing, &sys->dbheader.pool_head );
-   }
-
-   aatree_ptr index = 
-      aatree_pool_alloc( &sys->aainfo, &sys->dbheader.pool_head );
-
-   if( index == AATREE_PTR_NIL )
-   {
-      vg_error( "Database records are over capacity!\n" );
-      return index;
-   }
-
-   highscore_record *dst = aatree_get_data( &sys->aainfo, index );
-   memset( dst, 0, sizeof(highscore_record) );
-
-   dst->trackid = record->trackid;
-   dst->datetime = record->datetime;
-   dst->playerid = record->playerid;
-   dst->points = record->points;
-   dst->time = record->time;
-
-   table->root_time = 
-      aatree_insert( &sys->aainfo_time, table->root_time, index );
-   table->root_datetime =
-      aatree_insert( &sys->aainfo_datetime, table->root_datetime, index );
-   table->root_playerid = 
-      aatree_insert( &sys->aainfo_playerid, table->root_playerid, index );
-   table->root_points =
-      aatree_insert( &sys->aainfo_points, table->root_points, index );
-
-   return index;
-}
-
-static aatree_ptr highscore_set_user_nickname( u64 steamid, char nick[10] )
-{
-   char name[11];
-   for( int i=0; i<10; i++ )
-      name[i] = nick[i];
-   name[10] = '\0';
-
-   vg_low( "Updating %lu's nickname -> %s\n", steamid, name );
-
-   struct highscore_system *sys = &highscore_system;
-   
-   highscore_playerinfo temp;
-   temp.playerid = steamid;
-
-   aatree_ptr record = aatree_find( &sys->aainfo_playerinfo_playerid, 
-                                     sys->dbheader.playerinfo_root,
-                                     &temp );
-   highscore_playerinfo *info;
-
-   if( record != AATREE_PTR_NIL )
-   {
-      info = aatree_get_data( &sys->aainfo_playerinfo, record );
-   }
-   else
-   {
-      record = aatree_pool_alloc( &sys->aainfo_playerinfo, 
-                                  &sys->dbheader.playerinfo_head );
-
-      if( record == AATREE_PTR_NIL )
-      {
-         vg_error( "Player info database is over capacity!\n" );
-         return AATREE_PTR_NIL;
-      }
-
-      info = aatree_get_data( &sys->aainfo_playerinfo, record );
-      memset( info, 0, sizeof(highscore_playerinfo) );
-
-      info->playerid = steamid;
-      sys->dbheader.playerinfo_root = aatree_insert( 
-            &sys->aainfo_playerinfo_playerid,
-            sys->dbheader.playerinfo_root,
-            record );
-   }
-
-   for( int i=0; i<10; i++ )
-      info->nickname[i] = nick[i];
-
-   return AATREE_PTR_NIL;
-}
-
-/* Get the length of a string, bounded by '\0' or len, whichever is first */
-static int highscore_strlen( const char *str, int len )
-{
-   int str_length;
-   for( str_length=0; str_length<len; str_length++ )
-      if( !str[str_length] )
-         return str_length;
-
-   return str_length;
-}
-
-/* Print the string(max length:len) centered into buf (has width:width) */
-static void highscore_strc( char *buf, const char *str, int len, int width )
-{
-   int str_length = highscore_strlen( str, len ),
-       offs = (width-str_length)/2;
-
-   for( int i=0; i<str_length; i++ )
-   {
-      int j=i+offs;
-
-      if( j >= width )
-         return;
-
-      buf[j] = str[i];
-   }
-}
-
-/* Print the string(max length:len) left aligned into buf */
-static void highscore_strl( char *buf, const char *str, int len )
-{
-   for( int i=0; i<len; i++ )
-   {
-      if( !str[i] )
-         return;
-
-      buf[i] = str[i];
-   }
-}
-
-/* Print the string (max length:len) right aligned into buf (has width:width) */
-static void highscore_strr( char *buf, const char *str, int len, int width )
-{
-   int str_length = highscore_strlen( str, len );
-   
-   for( int i=0; i<len; i++ )
-   {
-      if( !str[i] )
-         return;
-
-      buf[width-str_length+i] = str[i];
-   }
-}
-
-/* Print integer (padded with: alt), right aligned into buf(width: len) */
-static void highscore_intr( char *buf, int value, int len, char alt )
-{
-   int i=0;
-   while(value)
-   {
-      if( i>=len ) 
-         return;
-
-      buf[ len-1 - (i ++) ] = '0' + (value % 10);
-      value /= 10;
-   }
+   void *data, 
+        *playerinfo_data;
 
-   for( ;i<len; i ++ )
-      buf[ len-1 - i ] = alt;
+   u32 pool_size, playerinfo_pool_size;
 }
+highscore_system;
 
-/* Print integer into buffer with max length len */
-static void highscore_intl( char *buf, int value, int len )
-{
-   char temp[32];
-
-   int i=0;
-   while(value)
-   {
-      if( i>=len ) 
-         break;
-
-      temp[ i ++ ] = '0' + (value % 10);
-      value /= 10;
-   }
-   
-   if( i>len )
-      i = len;
-
-   for( int j=0; j<i; j ++ )
-   {
-      buf[j] = temp[ i-1-j ];
-   }
-}
-
-/* Clear buffer with length using clr character */
-static void highscore_clear( char *buf, char clr, int length )
-{
-   for( int i=0; i<length; i++ )
-      buf[i] = clr;
-}
-
-/*
-       Megapark Green      
---------------------------
- #|   Player |  Time | Pts 
- 1|aaaabbbbcc 5:23.32 30000
- 2|       jef 0:20.34 10000
- 3|aaabbbcccl 2:30.45 20000
- 4|
- 5|
- 6|
- 7|
- 8|
- 9|
-10|
-*/
-
-/* Generate a highscores board in text form, the width is always 27. Buffer 
- * must be (count+3)*27 in size. */
-static void highscores_board_generate( char *buf, u32 id, u32 count )
-{
-   int w=27;
-   highscore_clear( buf, ' ', (count+3)*w );
-
-   struct track_info *inf = &track_infos[id];
-   struct highscore_system *sys = &highscore_system;
-
-   highscore_track_table *table = &sys->dbheader.tracks[ id ];
-   aatree_ptr it = aatree_kth( &sys->aainfo_time, table->root_time, 0 );
-
-   highscore_strc ( buf+w*0, inf->name, w,w );
-   highscore_clear( buf+w*1, '-', w );
-   highscore_strl ( buf+w*2, " #|  Player  | Time  | Pts", 27 );
-
-   for( int i=0; i<count; i++ )
-   {
-      char *line = buf+w*(3+i);
-      highscore_intr( line, i+1, 2, ' ' );
-      line[2] = '|';
-
-      if( it == AATREE_PTR_NIL )
-         continue;
-
-      highscore_record *record = aatree_get_data( &sys->aainfo_time, it );
-      highscore_playerinfo temp;
-      temp.playerid = record->playerid;
-
-      aatree_ptr info_ptr = aatree_find( &sys->aainfo_playerinfo_playerid,
-                                          sys->dbheader.playerinfo_root,
-                                          &temp );
-      
-      /* Player name */
-      if( info_ptr == AATREE_PTR_NIL )
-         highscore_strl( line+3, "unknown", 10 );
-      else
-      {
-         highscore_playerinfo *inf = aatree_get_data( 
-               &sys->aainfo_playerinfo_playerid, info_ptr );
-
-         highscore_strl( line+3, inf->nickname, 10 );
-      }
-
-      u16 centiseconds = record->time,
-          seconds      = centiseconds / 100,
-          minutes      = seconds / 60;
-
-      centiseconds %= 100;
-      seconds     %= 60;
-      minutes     %= 60;
-
-      if( minutes > 9 ) minutes = 9;
-      
-      /* Timer */
-      highscore_intr( line+14, minutes, 1, '0' );
-      line[15] = ':';
-      highscore_intr( line+16, seconds, 2, '0' );
-      line[18] = '.';
-      highscore_intr( line+19, centiseconds, 2, '0' );
-
-      /* Score */
-      highscore_intl( line+22, record->points, 5 );
-      it = aatree_next( &sys->aainfo_time, it );
-   }
-}
-
-/* Print string out to file using newlines. Count is number of records 
- * ( this requires a buffer of (count+3)*27 size */
-static void highscores_board_printf( FILE *fp, const char *buf, u32 count )
-{
-   int w=27;
-
-   for( int i=0; i<count+3; i++ )
-      fprintf( fp, "%.27s\n", &buf[i*w] );
-}
+static int highscore_intr( char *buf, int value, int len, char alt );
+static int highscore_intl( char *buf, int value, int len );
+static void highscores_board_printf( FILE *fp, const char *buf, u32 count );
+static aatree_ptr highscore_set_user_nickname( u64 steamid, char nick[16] );
+static aatree_ptr highscores_push_record( highscore_record *record );
+static void highscores_board_generate( char *buf, u32 id, u32 count );
+static void highscores_init( u32 pool_size, u32 playerinfo_pool_size );
+static int highscores_read( const char *path );
+static void highscores_create_db(void);
+static int highscores_serialize_all(void);
 
 #endif /* HIGHSCORES_H */