Some fixes (beware with pointers casting)

[guile-irrlicht.git] / src / scene-node.cpp

diff --git a/src/scene-node.cpp b/src/scene-node.cpp
index 50d402b3866031277d9fab2edf9ca143dde2b3a1..08c94a8f48be3464aac40f2fc87ac625964c8c9f 100644 (file)
--- a/src/scene-node.cpp
+++ b/src/scene-node.cpp
@@ -51,6 +51,16 @@ extern "C" {
                        init_scene_node_type, scene_node_p,
                        wrap_scene_node, unwrap_scene_node);
 
+  bool
+  is_scene_node_object (SCM wrapped_scene_node)
+  {
+    return
+      animated_mesh_scene_node_p (wrapped_scene_node) ||
+      camera_scene_node_p (wrapped_scene_node) ||
+      mesh_scene_node_p (wrapped_scene_node) ||
+      scene_node_p (wrapped_scene_node);
+  }
+
   SCM
   irr_scene_addAnimator (SCM wrapped_scene_node,
                          SCM animator)
@@ -71,10 +81,9 @@ extern "C" {
       }
     else
       {
-        scm_error (scm_arg_type_key, NULL, "Cannot add animator flag to object: ~S",
+        scm_error (scm_arg_type_key, NULL, "Cannot add animator to object: ~S",
                    scm_list_1 (wrapped_scene_node), scm_list_1 (wrapped_scene_node));
       }
-
     return SCM_UNSPECIFIED;
   }
 
@@ -85,6 +94,26 @@ extern "C" {
     return scm_from_matrix4 (node->getAbsoluteTransformation ());
   }
 
+  SCM
+  irr_scene_getPosition (SCM wrapped_scene_node)
+  {
+#define GET_POSITION(NODE) scm_from_vector3df (NODE->getPosition ());
+
+    if (scene_node_p (wrapped_scene_node))
+      {
+        return GET_POSITION (unwrap_scene_node (wrapped_scene_node));
+      }
+    else if (mesh_scene_node_p (wrapped_scene_node))
+      {
+        return GET_POSITION (unwrap_mesh_scene_node (wrapped_scene_node));
+      }
+    else
+      {
+        scm_error (scm_arg_type_key, NULL, "Cannot get position from object: ~S",
+                   scm_list_1 (wrapped_scene_node), scm_list_1 (wrapped_scene_node));
+      }
+  }
+
   SCM
   irr_scene_ISceneNode_setMaterialFlag (SCM wrapped_scene_node,
                                         SCM flag,