Moved random ground cover object management code (userdata.[ch]xx) over

[flightgear.git] / src / Scenery / FGTileLoader.cxx

diff --git a/src/Scenery/FGTileLoader.cxx b/src/Scenery/FGTileLoader.cxx
index a709b57f0fdb1b5b7ccaaa0393c93a2b04bef3ef..3bbe26521f994e9a27932f5885287540ff890c84 100644 (file)
--- a/src/Scenery/FGTileLoader.cxx
+++ b/src/Scenery/FGTileLoader.cxx
@@ -24,6 +24,8 @@
 #  include <config.h>
 #endif
 
+#include <simgear/compiler.h>
+
 #include <Main/globals.hxx>
 #include "FGTileLoader.hxx"
 #include "tileentry.hxx"
@@ -64,6 +66,19 @@ FGTileLoader::~FGTileLoader()
 #endif // ENABLE_THREADS
 }
 
+
+#if 0 // we don't ever want to do this I don't think
+/**
+ * 
+ */
+void FGTileLoader::reinit() {
+    while ( !tile_load_queue.empty() ) {
+       tile_load_queue.pop();
+    }
+}
+#endif
+
+
 /**
  * 
  */
@@ -77,7 +92,7 @@ FGTileLoader::add( FGTileEntry* tile )
     static bool beenhere = false;
     if (!beenhere)
     {
-       if ( globals->get_fg_scenery() != (string)"" ) {
+       if ( !globals->get_fg_scenery().empty() ) {
            tile_path.set( globals->get_fg_scenery() );
        } else {
            tile_path.set( globals->get_fg_root() );
@@ -89,12 +104,24 @@ FGTileLoader::add( FGTileEntry* tile )
     tile_load_queue.push( tile );
 }
 
+#ifdef WISH_PLIB_WAS_THREADED // but it isn't
+/**
+ * 
+ */
+void
+FGTileLoader::remove( FGTileEntry* tile )
+{
+    tile_free_queue.push( tile );
+}
+#endif
+
 /**
  * 
  */
 void
 FGTileLoader::update()
 {
+
 #ifdef ENABLE_THREADS
     // send a signal to the pager thread that it is allowed to load
     // another tile
@@ -103,14 +130,29 @@ FGTileLoader::update()
     mutex.unlock();
 #else
     if ( !tile_load_queue.empty() ) {
-        cout << "loading next tile ..." << endl;
+        // cout << "loading next tile ..." << endl;
         // load the next tile in the queue
         FGTileEntry* tile = tile_load_queue.front();
         tile_load_queue.pop();
+
         tile->load( tile_path, true );
-        FGTileMgr::loaded( tile );
+
+        FGTileMgr::ready_to_attach( tile );
+    }
+
+#ifdef WISH_PLIB_WAS_THREADED // but it isn't
+    if ( !tile_free_queue.empty() ) {
+        // cout << "freeing next tile ..." << endl;
+        // free the next tile in the queue
+        FGTileEntry* tile = tile_free_queue.front();
+        tile_free_queue.pop();
+       tile->free_tile();
+       delete tile;
     }
+#endif
+
 #endif // ENABLE_THREADS
+
 }
 
 
@@ -135,7 +177,19 @@ FGTileLoader::LoaderThread::run()
        tile->load( loader->tile_path, true );
        set_cancel( SGThread::CANCEL_DEFERRED );
 
-       FGTileMgr::loaded( tile );
+       FGTileMgr::ready_to_attach( tile );
+
+#ifdef WISH_PLIB_WAS_THREADED // but it isn't
+       // Handle and pending removals
+       while ( !loader->tile_free_queue.empty() ) {
+           // cout << "freeing next tile ..." << endl;
+           // free the next tile in the queue
+           FGTileEntry* tile = loader->tile_free_queue.pop();
+           tile->free_tile();
+           delete tile;
+       }
+#endif
+
     }
     pthread_cleanup_pop(1);
 }