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    skaterift_end_op();
  20 }
  21
  22 static void skaterift_write_viewslot( vg_msg *msg, const char *key,
  23                                       enum addon_type type, u16 cache_id ){
  24    if( !cache_id ) return;
  25
  26    struct addon_cache *cache = &addon_system.cache[type];
  27    addon_cache_entry *entry = vg_pool_item( &cache->pool, cache_id );
  28    addon_reg *reg = entry->reg_ptr;
  29
  30    if( reg ){
  31       if( reg->alias.workshop_id )
  32          vg_msg_wkvu64( msg, key, reg->alias.workshop_id );
  33       else
  34          vg_msg_wkvstr( msg, key, reg->alias.foldername );
  35    }
  36 }
  37
  38 static void skaterift_read_viewslot( vg_msg *msg, const char *key,
  39                                      enum addon_type type, addon_alias *alias ){
  40
  41    alias->foldername[0] = '\0';
  42    alias->workshop_id = 0;
  43    alias->type = type;
  44
  45    vg_msg_cmd kv = vg_msg_seekkv( msg, key, 0 );
  46    if( kv.code == k_vg_msg_kvstring ){
  47       vg_strncpy( kv.value, alias->foldername, sizeof(alias->foldername),
  48                   k_strncpy_allow_cutoff );
  49    }
  50    else
  51       alias->workshop_id = vg_msg_read_as_u64( &kv );
  52 }
  53
  54 static void skaterift_write_savedata(void){
  55    if( skaterift.async_op != k_async_op_none ) return;
  56
  57    skaterift_begin_op( k_async_op_write_savedata );
  58
  59    vg_msg sav = {0};
  60    sav.buf = savedata.buf;
  61    sav.max = sizeof(savedata.buf);
  62
  63    vg_msg_frame( &sav, "player" );
  64
  65    skaterift_write_viewslot( &sav, "board", k_addon_type_board,
  66                              localplayer.board_view_slot );
  67    skaterift_write_viewslot( &sav, "playermodel", k_addon_type_player,
  68                              localplayer.playermodel_view_slot );
  69
  70    vg_msg_end_frame( &sav );
  71    savedata.len = sav.len;
  72    vg_loader_start( skaterift_write_savedata_thread, NULL );
  73 }
  74
  75 static void skaterift_read_savedata(void){
  76    FILE *fp = fopen( "save.bkv", "rb" );
  77    if( fp ){
  78       savedata.len = fread( savedata.buf, 1, sizeof(savedata.buf), fp );
  79       fclose( fp );
  80    }
  81 }
  82
  83 #endif /* SAVE_C */