save.c

   1 #ifndef SAVE_C
   2 #define SAVE_C
   3
   4 #include "save.h"
   5 #include "vg/vg_msg.h"
   6
   7 struct {
   8    u8  buf[1024];
   9    u32 len;
  10 }
  11 static savedata;
  12
  13 static void skaterift_write_savedata_thread(void *_){
  14    FILE *fp = fopen( "save.bkv", "wb" );
  15    if( fp ){
  16       fwrite( savedata.buf, savedata.len, 1, fp );
  17       fclose( fp );
  18    }
  19 }
  20
  21 static void skaterift_write_addon_alias( vg_msg *msg, const char *key,
  22                                          addon_alias *alias ){
  23    if( alias->workshop_id )
  24       vg_msg_wkvu64( msg, key, alias->workshop_id );
  25    else
  26       vg_msg_wkvstr( msg, key, alias->foldername );
  27 }
  28
  29 static void skaterift_write_viewslot( vg_msg *msg, const char *key,
  30                                       enum addon_type type, u16 cache_id ){
  31    if( !cache_id ) return;
  32
  33    struct addon_cache *cache = &addon_system.cache[type];
  34    addon_cache_entry *entry = vg_pool_item( &cache->pool, cache_id );
  35    addon_reg *reg = entry->reg_ptr;
  36
  37    if( reg )
  38       skaterift_write_addon_alias( msg, key, &reg->alias );
  39 }
  40
  41 static void skaterift_read_addon_alias( vg_msg *msg, const char *key,
  42                                         enum addon_type type,
  43                                         addon_alias *alias ){
  44
  45    alias->foldername[0] = '\0';
  46    alias->workshop_id = 0;
  47    alias->type = type;
  48
  49    vg_msg_cmd kv = vg_msg_seekkv( msg, key, 0 );
  50    if( kv.code == k_vg_msg_kvstring ){
  51       vg_strncpy( kv.value, alias->foldername, sizeof(alias->foldername),
  52                   k_strncpy_allow_cutoff );
  53    }
  54    else
  55       alias->workshop_id = vg_msg_read_as_u64( &kv );
  56 }
  57
  58 static void skaterift_write_savedata(void){
  59    if( !vg_loader_availible() ) return;
  60
  61    vg_msg sav = {0};
  62    sav.buf = savedata.buf;
  63    sav.max = sizeof(savedata.buf);
  64
  65    vg_msg_frame( &sav, "player" );
  66    {
  67       skaterift_write_viewslot( &sav, "board", k_addon_type_board,
  68                                 localplayer.board_view_slot );
  69       skaterift_write_viewslot( &sav, "playermodel", k_addon_type_player,
  70                                 localplayer.playermodel_view_slot );
  71    }
  72    vg_msg_end_frame( &sav );
  73
  74    vg_msg_frame( &sav, "world" );
  75    {
  76       addon_reg *reg = world_static.addon_client;
  77       if( reg && (world_static.active_instance > 0) ){
  78          skaterift_write_addon_alias( &sav, "alias", &reg->alias );
  79          vg_msg_wkvu32( &sav, "index", world_static.active_instance );
  80          vg_msg_wkvnum( &sav, "position", k_vg_msg_float|k_vg_msg_32b, 3,
  81                         localplayer.rb.co );
  82       }
  83    }
  84    vg_msg_end_frame( &sav );
  85
  86    savedata.len = sav.len;
  87    vg_loader_start( skaterift_write_savedata_thread, NULL );
  88 }
  89
  90 static void skaterift_read_savedata(void){
  91    FILE *fp = fopen( "save.bkv", "rb" );
  92    if( fp ){
  93       savedata.len = fread( savedata.buf, 1, sizeof(savedata.buf), fp );
  94       fclose( fp );
  95    }
  96 }
  97
  98 #endif /* SAVE_C */