X-Git-Url: https://git.draconx.ca/gitweb/upkg.git/blobdiff_plain/94fc44d9acf969477faac61bd60a6812404727f9..ca8ee16cfde42ea27d40f8e45fa6d96dc24cd5d9:/src/engine/music.c

diff --git a/src/engine/music.c b/src/engine/music.c
index 87a549b..f770662 100644
--- a/src/engine/music.c
+++ b/src/engine/music.c
@@ -3,6 +3,7 @@
 #include <glib-object.h>
 
 #include "exportable.h"
+#include "loadable.h"
 #include "uobject.h"
 #include "music.h"
 #include "upkg.h"
@@ -12,14 +13,41 @@
 
 struct music_priv {
 	struct upkg_file *f;
+	unsigned loaded;
 };
 
 static void exportable_init(UObjectExportable *);
+static void loadable_init(UObjectLoadable *);
 
 G_DEFINE_DYNAMIC_TYPE_EXTENDED(EngineMusic, engine_music, U_OBJECT_TYPE, 0,
 	G_IMPLEMENT_INTERFACE(U_OBJECT_TYPE_EXPORTABLE, exportable_init)
+	G_IMPLEMENT_INTERFACE(U_OBJECT_TYPE_LOADABLE, loadable_init)
 );
 
+static int load(GObject *o)
+{
+	struct music_priv *priv = MUSIC_GET_PRIV(o);
+
+	if (!priv->loaded) {
+		g_return_val_if_fail(priv->f != NULL, -1);
+
+		if (upkg_export_seek(priv->f, 0, SEEK_SET) != 0) {
+			return -1;
+		}
+	}
+
+	priv->loaded++;
+	return 0;
+}
+
+static void unload(GObject *o)
+{
+	struct music_priv *priv = MUSIC_GET_PRIV(o);
+	g_return_if_fail(priv->loaded > 0);
+
+	--priv->loaded;
+}
+
 static int export(GObject *o, FILE *f)
 {
 	struct music_priv *priv = MUSIC_GET_PRIV(o);
@@ -54,6 +82,12 @@ static void exportable_init(UObjectExportable *e)
 	e->export_name = export_name;
 }
 
+static void loadable_init(UObjectLoadable *l)
+{
+	l->load   = load;
+	l->unload = unload;
+}
+
 static int deserialize(UObject *o, struct upkg_file *f)
 {
 	struct music_priv *priv = MUSIC_GET_PRIV(o);
@@ -99,15 +133,28 @@ void music_register(GTypeModule *m)
 
 static void engine_music_init(EngineMusic *m)
 {
+	struct music_priv *priv = MUSIC_GET_PRIV(m);
+	*priv = (struct music_priv){0};
+}
+
+static void engine_music_finalize(GObject *o)
+{
+	struct music_priv *priv = MUSIC_GET_PRIV(o);
+
+	if (priv->loaded >= 1) {
+		priv->loaded = 1;
+		unload(o);
+	}
 }
 
 static void engine_music_class_init(EngineMusicClass *class)
 {
 	UObjectClass *uo = U_OBJECT_CLASS(class);
-
+	GObjectClass *go = G_OBJECT_CLASS(class);
 	g_type_class_add_private(class, sizeof (struct music_priv));
 
 	uo->deserialize = deserialize;
+	go->finalize    = engine_music_finalize;
 }
 
 static void engine_music_class_finalize(EngineMusicClass *class)