small compression

[carveJwlIkooP6JGAAIwe30JlM.git] / addon.c

diff --git a/addon.c b/addon.c
index 4ac9f91bc1443fc096b0e2d59329fe133051c3df..ef92b0083ce4f1ba1c6a49a39d2a0e4c4a191aea 100644 (file)
--- a/addon.c
+++ b/addon.c
@@ -43,7 +43,11 @@ static u32 get_index_from_addon( enum addon_type type, addon_reg *a ){
 }
 
 static u32 addon_match( addon_alias *alias ){
-   u32 foldername_djb2 = vg_strdjb2( alias->foldername );
+   if( alias->type == k_addon_type_none ) return 0xffffffff;
+
+   u32 foldername_djb2 = 0;
+   if( !alias->workshop_id )
+      foldername_djb2 = vg_strdjb2( alias->foldername );
 
    u32 count = 0;
    for( u32 i=0; count<addon_system.registry_type_counts[alias->type]; i++ ){
@@ -83,6 +87,32 @@ static void addon_alias_uid( addon_alias *alias, char buf[ADDON_UID_MAX] ){
    }
 }
 
+/*
+ * equality check
+ */
+static int addon_alias_eq( addon_alias *a, addon_alias *b ){
+   if( a->type == b->type ){
+      if( a->workshop_id == b->workshop_id ){
+         if( a->workshop_id )
+            return 1;
+         else
+            return !strcmp( a->foldername, b->foldername );
+      }
+      else
+         return 0;
+   }
+   else return 0;
+}
+
+/*
+ * make alias represent NULL.
+ */
+static void invalidate_addon_alias( addon_alias *alias ){
+   alias->type = k_addon_type_none;
+   alias->workshop_id = 0;
+   alias->foldername[0] = '\0';
+}
+
 /*
  * parse uid to alias. returns 1 if successful
  */
@@ -95,8 +125,14 @@ static int addon_uid_to_alias( char uid[ADDON_UID_MAX], addon_alias *alias ){
  *         |
  *     location
  */
-   if( strlen(uid) < 13 ) return 0;
-   if( !((uid[0] == 's') && (uid[1] == 'r')) ) return 0;
+   if( strlen(uid) < 13 ){
+      invalidate_addon_alias( alias );
+      return 0;
+   }
+   if( !((uid[0] == 's') && (uid[1] == 'r')) ){
+      invalidate_addon_alias( alias );
+      return 0;
+   }
 
    char type[4];
    memcpy( type, uid+2, 3 );
@@ -109,10 +145,14 @@ static int addon_uid_to_alias( char uid[ADDON_UID_MAX], addon_alias *alias ){
 
    if( !strcmp(location,"steam") )
       alias->workshop_id = atoll( uid+12 );
-   else if( !strcmp(location,"local") )
+   else if( !strcmp(location,"local") ){
+      alias->workshop_id = 0;
       vg_strncpy( uid+12, alias->foldername, 64, k_strncpy_always_add_null );
-   else
+   }
+   else{
+      invalidate_addon_alias( alias );
       return 0;
+   }
 
    return 1;
 }
@@ -266,14 +306,11 @@ static addon_reg *addon_mount_workshop_folder( PublishedFileId_t workshop_id,
    }
 
    enum addon_type type = k_addon_type_none;
-   vg_msg root = {0};
-   root.buf = reg->metadata;
-   root.len = reg->metadata_len;
-   root.max = sizeof(reg->metadata);
+   vg_msg msg;
+   vg_msg_init( &msg, reg->metadata, reg->metadata_len );
 
-   vg_msg workshop = root;
-   if( vg_msg_seekframe( &workshop, "workshop", k_vg_msg_first )){
-      type = vg_msg_seekkvu32( &workshop, "type", k_vg_msg_first );
+   if( vg_msg_seekframe( &msg, "workshop" )){
+      type = vg_msg_getkvu32( &msg, "type", 0 );
    }
 
    if( type == k_addon_type_none ){
@@ -318,10 +355,8 @@ static addon_reg *addon_mount_local_addon( const char *folder,
 
    if( reg->metadata_len == 0 ){
       /* create our own content commands */
-      vg_msg msg = {0};
-      msg.buf = reg->metadata;
-      msg.len = 0;
-      msg.max = sizeof(reg->metadata);
+      vg_msg msg;
+      vg_msg_init( &msg, reg->metadata, sizeof(reg->metadata) );
 
       u32 content_count = 0;
 
@@ -354,7 +389,7 @@ static addon_reg *addon_mount_local_addon( const char *folder,
 
       if( !content_count ) return NULL;
       if( msg.error == k_vg_msg_error_OK )
-         reg->metadata_len = msg.cur;
+         reg->metadata_len = msg.cur.co;
       else{
          vg_error( "Error creating metadata: %d\n", msg.error );
          return NULL;
@@ -584,12 +619,10 @@ static int addon_cache_load_request( enum addon_type type, u16 id,
     * --------------------------------- */
    vg_str content_path = folder;
 
-   vg_msg root = {0};
-   root.buf = reg->metadata;
-   root.len = reg->metadata_len;
-   root.max = sizeof(reg->metadata);
+   vg_msg msg;
+   vg_msg_init( &msg, reg->metadata, reg->metadata_len );
 
-   const char *kv_content = vg_msg_seekkvstr( &root, "content", 0 );
+   const char *kv_content = vg_msg_getkvstr( &msg, "content" );
    if( kv_content ){
       vg_strcat( &content_path, "/" );
       vg_strcat( &content_path, kv_content );