X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=addon.c;fp=addon.c;h=c2ad38c0d929f34ab96c48da70a155b221d3715b;hb=badfa88dd109bbae5628f58504402f4707569f73;hp=0000000000000000000000000000000000000000;hpb=b8ff92a2caafa557608b84f4a037a5b3ce2628f7;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/addon.c b/addon.c
new file mode 100644
index 0000000..c2ad38c
--- /dev/null
+++ b/addon.c
@@ -0,0 +1,369 @@
+#ifndef ADDON_C
+#define ADDON_C
+
+#include "addon.h"
+#include "vg/vg_msg.h"
+#include "steam.h"
+
+static u32 addon_count( enum workshop_file_type type ){
+   return addon_system.registry_type_counts[ type ];
+}
+
+/* these kind of suck, oh well. */
+static addon_reg *get_addon_from_index(enum workshop_file_type type, u32 index){
+   u32 count = 0;
+   for( u32 i=0; count<addon_count(type); i++ ){
+      addon_reg *reg = &addon_system.registry[i];
+      if( reg->type == type ){
+         if( index == count )
+            return reg;
+
+         count ++;
+      }
+   }
+
+   return NULL;
+}
+
+static u32 get_index_from_addon( enum workshop_file_type type, addon_reg *a ){
+   u32 count = 0;
+   for( u32 i=0; count<addon_system.registry_type_counts[type]; i++ ){
+      addon_reg *reg = &addon_system.registry[i];
+      if( reg->type == type ){
+         if( reg == a )
+            return count;
+
+         count ++;
+      }
+   }
+
+   return 0xffffffff;
+}
+
+static void addon_system_init( void ){
+   u32 reg_size   = sizeof(addon_reg)*ADDON_MOUNTED_MAX;
+   addon_system.registry = vg_linear_alloc( vg_mem.rtmemory, reg_size );
+}
+
+/*
+ * Scanning routines
+ * -----------------------------------------------------------------------------
+ */
+
+/*
+ * Reciever for scan completion. copies the registry counts back into main fred
+ */
+VG_STATIC void async_addon_reg_update( void *data, u32 size )
+{
+   vg_info( "Registry update notify\n" );
+   
+   for( u32 i=0; i<k_workshop_file_type_max; i++ ){
+      addon_system.registry_type_counts[i] = 0;
+   }
+
+   for( u32 i=0; i<addon_system.registry_count; i++ ){
+      addon_system.registry_type_counts[ addon_system.registry[i].type ] ++;
+   }
+}
+
+VG_STATIC void addon_set_foldername( addon_reg *reg, const char name[64] ){
+   vg_strncpy( name, reg->foldername, 64, k_strncpy_always_add_null );
+   reg->foldername_hash = vg_strdjb2( reg->foldername );
+}
+
+/*
+ * Create a new registry 
+ */
+VG_STATIC addon_reg *addon_alloc_reg( PublishedFileId_t workshop_id,
+                                      enum workshop_file_type type ){
+   if( addon_system.registry_count == ADDON_MOUNTED_MAX ){
+      vg_error( "You have too many addons installed!\n" );
+      return NULL;
+   }
+
+   addon_reg *reg = &addon_system.registry[ addon_system.registry_count ];
+   reg->metadata_len = 0;
+   reg->userdata = NULL;
+   reg->state = k_addon_state_indexed;
+   reg->workshop_id = workshop_id;
+   reg->foldername[0] = '\0';
+   reg->type = type;
+
+   if( workshop_id ){
+      char foldername[64];
+      snprintf( foldername, 64, PRINTF_U64, workshop_id );
+      addon_set_foldername( reg, foldername );
+   }
+   return reg;
+}
+
+/*
+ * If the addon.inf exists int the folder, load into the reg
+ */
+VG_STATIC int addon_try_load_metadata( addon_reg *reg, vg_str folder_path ){
+   vg_str meta_path = folder_path;
+   vg_strcat( &meta_path, "/addon.inf" );
+   if( !vg_strgood( &meta_path ) ){
+      vg_error( "The metadata path is too long\n" );
+      return 0;
+   }
+
+   FILE *fp = fopen( meta_path.buffer, "rb" );
+   if( !fp ){
+      vg_error( "Could not open the '%s'\n", meta_path.buffer );
+      return 0;
+   }
+
+   reg->metadata_len = fread( reg->metadata, 1, 512, fp );
+   if( reg->metadata_len != 512 ){
+      if( !feof(fp) ){
+         fclose(fp);
+         vg_error( "unknown error codition" );
+         reg->metadata_len = 0;
+         return 0;
+      }
+   }
+   fclose(fp);
+   return 1;
+}
+
+VG_STATIC void addon_mount_finish( addon_reg *reg ){
+   vg_info( "addon_reg #%u{\n", addon_system.registry_count );
+   vg_info( "  type: %d\n", reg->type );
+   vg_info( "  workshop_id: " PRINTF_U64 "\n", reg->workshop_id );
+   vg_info( "  folder: [%u]%s\n", reg->foldername_hash, reg->foldername );
+   vg_info( "  metadata_len: %u\n", reg->metadata_len );
+   vg_info( "  userdata: %p\n", reg->userdata );
+   vg_info( "}\n" );
+
+   addon_system.registry_count ++;
+}
+
+/*
+ * Mount a fully packaged addon, one that certainly has a addon.inf
+ */
+VG_STATIC void addon_mount_workshop_folder( PublishedFileId_t workshop_id,
+                                            vg_str folder_path )
+{
+   addon_reg *reg = addon_alloc_reg( workshop_id, k_workshop_file_type_none );
+   if( !reg ) return;
+
+   if( !addon_try_load_metadata( reg, folder_path ) ){
+      return;
+   }
+
+   enum workshop_file_type type = k_workshop_file_type_none;
+   vg_msg msg;
+   vg_msg_init( &msg, reg->metadata, reg->metadata_len );
+   vg_msg_cmd cmd;
+   while( vg_msg_next( &msg, &cmd ) ){
+      if( (msg.depth == 1) && (cmd.code == k_vg_msg_code_frame) ){
+         if( VG_STRDJB2_EQ( "workshop", cmd.key, cmd.key_djb2 ) ){
+            u32 depth = msg.depth;
+            while( (msg.depth == depth) && vg_msg_next( &msg, &cmd ) ){
+               if( cmd.code & k_vg_msg_code_unsigned ){
+                  if( VG_STRDJB2_EQ( "type", cmd.key, cmd.key_djb2 ) ){
+                     type = cmd.value._u32;
+                  }
+               }
+            }
+         }
+      }
+   }
+
+   if( type == k_workshop_file_type_none ){
+      vg_error( "Cannot determine addon type\n" );
+      return;
+   }
+
+   reg->type = type;
+   addon_mount_finish( reg );
+}
+
+/*
+ * Check all subscribed items
+ */
+VG_STATIC void addon_mount_workshop_items(void){
+   if( !steam_ready ) return;
+   /*
+    * Steam workshop scan
+    */
+   vg_info( "Mounting steam workshop subscriptions\n" );
+   PublishedFileId_t workshop_ids[ ADDON_MOUNTED_MAX ];
+   u32 workshop_count = ADDON_MOUNTED_MAX;
+
+   vg_async_item *call = vg_async_alloc(
+                           sizeof(struct async_workshop_installed_files_info));
+   struct async_workshop_installed_files_info *info = call->payload;
+   info->buffer = workshop_ids;
+   info->len = &workshop_count;
+   vg_async_dispatch( call, async_workshop_get_installed_files );
+   vg_async_stall();
+
+   for( u32 j=0; j<workshop_count; j++ ){
+      /* check for existance in both our caches
+       * ----------------------------------------------------------*/
+      PublishedFileId_t id = workshop_ids[j];
+      for( u32 i=0; i<addon_system.registry_count; i++ ){
+         addon_reg *reg = &addon_system.registry[i];
+
+         if( reg->workshop_id == id ){
+            reg->state = k_addon_state_indexed;
+            goto next_file_workshop;
+         }
+      }
+
+      /* new one, lets find out what type it is
+       * ---------------------------------------------------------------*/
+      vg_async_item *call1 = 
+         vg_async_alloc( sizeof(struct async_workshop_filepath_info) );
+
+      char path[ 4096 ];
+
+      struct async_workshop_filepath_info *info = call1->payload;
+      info->buf = path;
+      info->id = id;
+      info->len = vg_list_size(path);
+      vg_async_dispatch( call1, async_workshop_get_filepath );
+      vg_async_stall(); /* too bad! */
+
+      vg_str folder = {.buffer = path, .i=strlen(path), .len=4096};
+      addon_mount_workshop_folder( id, folder );
+next_file_workshop:;
+   }
+}
+
+/*
+ * Scan a local content folder for addons. It must find at least one file with 
+ * the specified content_ext to be considered.
+ */
+VG_STATIC void addon_mount_local_folder( enum workshop_file_type type,
+                                         const char *base_folder, 
+                                         const char *content_ext )
+{
+   vg_info( "Mounting addons(type:%d) matching skaterift/%s/*/*%s\n", 
+                  type, base_folder, content_ext );
+
+   char path_buf[4096];
+   vg_str path;
+   vg_strnull( &path, path_buf, 4096 );
+   vg_strcat( &path, base_folder );
+
+   vg_dir dir;
+   if( !vg_dir_open(&dir,path.buffer) ){
+      vg_error( "vg_dir_open('%s') failed\n", path.buffer );
+      vg_async_call( workshop_async_any_complete, NULL, 0 );
+      return;
+   }
+
+   vg_strcat(&path,"/");
+
+   while( vg_dir_next_entry(&dir) ){
+      if( vg_dir_entry_type(&dir) == k_vg_entry_type_dir ){
+         const char *d_name = vg_dir_entry_name(&dir);
+
+         vg_str folder = path;
+         char *folder_name = folder.buffer+folder.i;
+
+         if( strlen( d_name ) > ADDON_FOLDERNAME_MAX ){
+            vg_warn( "folder too long: %s\n", d_name );
+            continue;
+         }
+
+         vg_strcat( &folder, d_name );
+         if( !vg_strgood( &folder ) ) continue;
+
+         int present = 0;
+         u32 folder_hash = vg_strdjb2(folder_name);
+         for( u32 i=0; i<addon_system.registry_count; i++ ){
+            addon_reg *reg = &addon_system.registry[i];
+
+            if( (reg->type == type) && (reg->foldername_hash == folder_hash) ){
+               if( !strcmp( reg->foldername, folder_name ) ){
+                  reg->state = k_addon_state_indexed;
+                  present = 1;
+                  break;
+               }
+            }
+         }
+
+         if( !present ){
+            addon_reg *reg = addon_alloc_reg( 0, type );
+            if( !reg ) continue;
+            addon_set_foldername( reg, folder_name );
+            addon_try_load_metadata( reg, folder );
+
+            if( reg->metadata_len == 0 ){
+               /* create our own content commands */
+               vg_msg msg;
+               vg_msg_init( &msg, reg->metadata, sizeof(reg->metadata) );
+
+               u32 content_count = 0;
+
+               vg_strcat( &folder, "" );
+               vg_warn( "Creating own metadata for: %s\n", folder.buffer );
+
+               vg_dir subdir;
+               if( !vg_dir_open(&subdir, folder.buffer) ){
+                  vg_error( "Failed to open '%s'\n", folder.buffer );
+                  continue;
+               }
+
+               while( vg_dir_next_entry(&subdir) ){
+                  if( vg_dir_entry_type(&subdir) == k_vg_entry_type_file ){
+                     const char *fname = vg_dir_entry_name(&subdir);
+                     vg_str file = folder;
+                     vg_strcat( &file, "/" );
+                     vg_strcat( &file, fname );
+                     if( !vg_strgood( &file ) ) continue;
+
+                     char *ext = vg_strch( &file, '.' );
+                     if( !ext ) continue;
+                     if( strcmp(ext,content_ext) ) continue;
+                     
+                     vg_msg_wkvstr( &msg, "content", fname );
+                     content_count ++;
+                  }
+               }
+               vg_dir_close(&subdir);
+
+               if( !content_count ){
+                  continue;
+               }
+
+               if( msg.error == k_vg_msg_error_OK )
+                  reg->metadata_len = msg.cur;
+               else{
+                  vg_error( "Error creating metadata: %d\n", msg.error );
+                  continue;
+               }
+            }
+
+            addon_mount_finish( reg );
+         }
+      }
+   }
+   vg_dir_close(&dir);
+}
+
+#if 0
+/*
+ * Async thread which scans local files for addons, as well as scheduling 
+ * synchronous calls to the workshop
+ *
+ * Call this from in the loader thread.
+ */
+VG_STATIC void addon_system_scan_all(void){
+   for( u32 i=0; i<addon_system.registry_count; i++ ){
+      addon_reg *reg = &addon_system.registry[i];
+      reg->state = k_addon_state_indexed_absent;
+   }
+
+   if( steam_ready ) addon_mount_workshop_items();
+   
+   vg_async_call( addon_async_reg_update, NULL, 0 );
+   vg_async_stall();
+}
+#endif
+
+#endif /* ADDON_C */