Some macros

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

diff --git a/src/scene-node.cpp b/src/scene-node.cpp
index 1ec773c4ace9c2084e9f17e1d5ecfb8ee82a4d12..31109eae09e65d6d39dd616d8ac4b8ae5d431a6c 100644 (file)
--- a/src/scene-node.cpp
+++ b/src/scene-node.cpp
@@ -23,6 +23,7 @@
 #include <libguile.h>
 
 #include "animated-mesh-scene-node.h"
+#include "gsubr.h"
 #include "material-flags.h"
 #include "matrix4.h"
 #include "mesh-scene-node.h"
@@ -38,12 +39,9 @@ extern "C" {
   init_scene_node (void)
   {
     init_scene_node_type ();
-    scm_c_define_gsubr ("add-animator!", 2, 0, 0, (scm_t_subr)irr_scene_addAnimator);
-    scm_c_define_gsubr ("get-absolute-transformation", 1, 0, 0,
-                        (scm_t_subr)irr_scene_getAbsoluteTransformation);
-    scm_c_define_gsubr ("set-material-texture!", 3, 0, 0, (scm_t_subr)irr_scene_setMaterialTexture);
-    scm_c_export ("add-animator!", "get-absolute-transformation",
-                  "set-material-texture!", NULL);
+    DEFINE_GSUBR ("add-animator!", 2, 0, 0, irr_scene_addAnimator);
+    DEFINE_GSUBR ("get-absolute-transformation", 1, 0, 0, irr_scene_getAbsoluteTransformation);
+    DEFINE_GSUBR ("set-material-texture!", 3, 0, 0, irr_scene_setMaterialTexture);
   }
 
   DEFINE_WRAPPED_TYPE (irr::scene::ISceneNode*, "scene-node",
@@ -54,15 +52,19 @@ extern "C" {
   irr_scene_addAnimator (SCM wrapped_scene_node,
                          SCM animator)
   {
-    irr::scene::ISceneNode* node;
+#define ADD_ANIMATOR(NODE) NODE->addAnimator (unwrap_scene_node_animator (animator));
 
-    if (mesh_scene_node_p (wrapped_scene_node))
+    if (animated_mesh_scene_node_p (wrapped_scene_node))
+      {
+        ADD_ANIMATOR (unwrap_animated_mesh_scene_node (wrapped_scene_node));
+      }
+    else if (mesh_scene_node_p (wrapped_scene_node))
       {
-        node = (irr::scene::ISceneNode*)unwrap_mesh_scene_node (wrapped_scene_node);
+        ADD_ANIMATOR (unwrap_mesh_scene_node (wrapped_scene_node));
       }
     else if (scene_node_p (wrapped_scene_node))
       {
-        node = unwrap_scene_node (wrapped_scene_node);
+        ADD_ANIMATOR (unwrap_scene_node (wrapped_scene_node));
       }
     else
       {
@@ -70,7 +72,6 @@ extern "C" {
                    scm_list_1 (wrapped_scene_node), scm_list_1 (wrapped_scene_node));
       }
 
-    node->addAnimator (unwrap_scene_node_animator (animator));
     return SCM_UNSPECIFIED;
   }
 
@@ -86,19 +87,20 @@ extern "C" {
                                         SCM flag,
                                         SCM newvalue)
   {
-    irr::scene::ISceneNode* node;
+#define SET_MATERIAL_FLAG(NODE) NODE->setMaterialFlag (scm_to_material_flag (flag), \
+                                                       scm_to_bool (newvalue));
 
     if (animated_mesh_scene_node_p (wrapped_scene_node))
       {
-        node = (irr::scene::ISceneNode*)unwrap_animated_mesh_scene_node (wrapped_scene_node);
+        SET_MATERIAL_FLAG (unwrap_animated_mesh_scene_node (wrapped_scene_node));
       }
     else if (mesh_scene_node_p (wrapped_scene_node))
       {
-        node = (irr::scene::ISceneNode*)unwrap_mesh_scene_node (wrapped_scene_node);
+        SET_MATERIAL_FLAG (unwrap_mesh_scene_node (wrapped_scene_node));
       }
     else if (scene_node_p (wrapped_scene_node))
       {
-        node = unwrap_scene_node (wrapped_scene_node);
+        SET_MATERIAL_FLAG (unwrap_scene_node (wrapped_scene_node));
       }
     else
       {
@@ -106,8 +108,6 @@ extern "C" {
                    scm_list_1 (wrapped_scene_node), scm_list_1 (wrapped_scene_node));
       }
 
-    node->setMaterialFlag (scm_to_material_flag (flag),
-                           scm_to_bool (newvalue));
     return SCM_UNSPECIFIED;
   }
 
@@ -116,19 +116,20 @@ extern "C" {
                                 SCM texture_layer,
                                 SCM texture)
   {
-    irr::scene::ISceneNode* node;
+#define SET_MATERIAL_TEXTURE(NODE) NODE->setMaterialTexture (scm_to_uint32 (texture_layer), \
+                                                             unwrap_texture (texture));
 
     if (animated_mesh_scene_node_p (wrapped_scene_node))
       {
-        node = (irr::scene::ISceneNode*)unwrap_animated_mesh_scene_node (wrapped_scene_node);
+        SET_MATERIAL_TEXTURE (unwrap_animated_mesh_scene_node (wrapped_scene_node));
       }
     else if (mesh_scene_node_p (wrapped_scene_node))
       {
-        node = (irr::scene::ISceneNode*)unwrap_mesh_scene_node (wrapped_scene_node);
+        SET_MATERIAL_TEXTURE (unwrap_mesh_scene_node (wrapped_scene_node));
       }
     else if (scene_node_p (wrapped_scene_node))
       {
-        node = unwrap_scene_node (wrapped_scene_node);
+        SET_MATERIAL_TEXTURE (unwrap_scene_node (wrapped_scene_node));
       }
     else
       {
@@ -136,8 +137,6 @@ extern "C" {
                    scm_list_1 (wrapped_scene_node), scm_list_1 (wrapped_scene_node));
       }
 
-    node->setMaterialTexture (scm_to_uint32 (texture_layer),
-                              unwrap_texture (texture));
     return SCM_UNSPECIFIED;
   }
 
@@ -145,21 +144,22 @@ extern "C" {
   irr_scene_setPosition (SCM wrapped_scene_node,
                          SCM position)
   {
+#define SET_POSITION(NODE) NODE->setPosition (scm_to_vector3df (position));
+
     if (scene_node_p (wrapped_scene_node))
       {
-        unwrap_scene_node (wrapped_scene_node)->
-          setPosition (scm_to_vector3df (position));
+        SET_POSITION (unwrap_scene_node (wrapped_scene_node));
       }
     else if (mesh_scene_node_p (wrapped_scene_node))
       {
-        unwrap_mesh_scene_node (wrapped_scene_node)->
-          setPosition (scm_to_vector3df (position));
+        SET_POSITION (unwrap_mesh_scene_node (wrapped_scene_node));
       }
     else
       {
         scm_error (scm_arg_type_key, NULL, "Cannot set position to object: ~S",
                    scm_list_1 (wrapped_scene_node), scm_list_1 (wrapped_scene_node));
       }
+
     return SCM_UNSPECIFIED;
   }