get-video-driver

[guile-irrlicht.git] / src / IrrlichtDevice.cpp

diff --git a/src/IrrlichtDevice.cpp b/src/IrrlichtDevice.cpp
index b3b33bdfc0096d68fecca1b7cfc5ce74138eed51..66c8c545ef828aff05f21c0f7ab67ce4c05c76f9 100644 (file)
--- a/src/IrrlichtDevice.cpp
+++ b/src/IrrlichtDevice.cpp
@@ -22,24 +22,27 @@
 #include <irrlicht/irrlicht.h>
 #include <libguile.h>
 #include <wchar.h>
+
+#include "dimension2d.h"
 #include "EDriverTypes.h"
 #include "IrrlichtDevice.h"
-#include "dimension2d.h"
+#include "IVideoDriver.h"
 
 extern "C" {
 
   void
-  init_irrlicht_device (void)
+  init_device (void)
   {
-    init_irrlicht_device_object ();
+    init_device_type ();
     scm_c_define_gsubr ("create-device", 7, 0, 0, (scm_t_subr)irr_createDevice);
+    scm_c_define_gsubr ("get-video-driver", 1, 0, 0, (scm_t_subr)irr_getVideoDriver);
     scm_c_define_gsubr ("set-window-caption!", 2, 0, 0, (scm_t_subr)irr_setWindowCaption);
   }
 
-  static SCM irrlicht_device;
+  static SCM device_type;
 
   void
-  init_irrlicht_device_object (void)
+  init_device_type (void)
   {
     SCM name, slots;
     scm_t_struct_finalize finalizer;
@@ -48,10 +51,23 @@ extern "C" {
     slots = scm_list_1 (scm_from_utf8_symbol ("data"));
     finalizer = NULL;
 
-    irrlicht_device =
+    device_type =
       scm_make_foreign_object_type (name, slots, finalizer);
   }
 
+  SCM
+  wrap_device (irr::IrrlichtDevice* device)
+  {
+    return scm_make_foreign_object_1 (device_type, device);
+  }
+
+  irr::IrrlichtDevice*
+  unwrap_device (SCM device_obj)
+  {
+    scm_assert_foreign_object_type (device_type, device_obj);
+    return (irr::IrrlichtDevice*)scm_foreign_object_ref (device_obj, 0);
+  }
+
   SCM
   irr_createDevice (SCM deviceType,
                     SCM windowSize,
@@ -68,20 +84,25 @@ extern "C" {
                          scm_to_bool (fullscreen),
                          scm_to_bool (stencilbuffer),
                          scm_to_bool (vsync));
-    return scm_make_foreign_object_1 (irrlicht_device, device);
+    return wrap_device (device);
+  }
+
+  SCM
+  irr_getVideoDriver (SCM device_obj)
+  {
+    irr::IrrlichtDevice* device = unwrap_device (device_obj);
+    irr::video::IVideoDriver* driver = device->getVideoDriver();
+    return wrap_video_driver (driver);
   }
 
   SCM
   irr_setWindowCaption (SCM device_obj,
                         SCM text)
   {
-    irr::IrrlichtDevice* device;
+    irr::IrrlichtDevice* device = unwrap_device (device_obj);
     char* ctext;
     wchar_t* wtext;
 
-    scm_assert_foreign_object_type (irrlicht_device, device_obj);
-    device = (irr::IrrlichtDevice*)scm_foreign_object_ref (device_obj, 0);
-
     ctext = scm_to_utf8_stringn (text, NULL);
     wtext = (wchar_t*)malloc ((strlen (ctext) + 1) * sizeof (wchar_t));
     mbstowcs (wtext, ctext, strlen (ctext) + 1);