src/scene-manager.cpp

   1 /* guile-irrlicht --- GNU Guile bindings for Irrlicht Engine
   2
   3    Copyright (C) 2020 Javier Sancho <jsf@jsancho.org>
   4
   5    This file is part of guile-irrlicht.
   6
   7    guile-irrlicht is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU Lesser General Public License as
   9    published by the Free Software Foundation; either version 3 of the
  10    License, or (at your option) any later version.
  11
  12    guile-irrlicht is distributed in the hope that it will be useful, but
  13    WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with guile-irrlicht. If not, see
  19    <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include <irrlicht/irrlicht.h>
  23 #include <libguile.h>
  24
  25 #include "animated-mesh.h"
  26 #include "animated-mesh-scene-node.h"
  27 #include "camera-scene-node.h"
  28 #include "device.h"
  29 #include "scene-manager.h"
  30 #include "scene-node.h"
  31 #include "vector3d.h"
  32 #include "wrapped.h"
  33
  34 extern "C" {
  35
  36   void
  37   init_scene_manager (void)
  38   {
  39     init_scene_manager_type ();
  40     scm_c_define_gsubr ("add-animated-mesh-scene-node!", 8, 0, 0,
  41                         (scm_t_subr)irr_scene_addAnimatedMeshSceneNode);
  42     scm_c_define_gsubr ("add-camera-scene-node!", 6, 0, 0,
  43                         (scm_t_subr)irr_scene_addCameraSceneNode);
  44     scm_c_define_gsubr ("get-mesh", 2, 0, 0, (scm_t_subr)irr_scene_getMesh);
  45     scm_c_define_gsubr ("get-scene-manager", 1, 0, 0, (scm_t_subr)irr_getSceneManager);
  46   }
  47
  48   DEFINE_WRAPPED_TYPE (irr::scene::ISceneManager*, "scene-manager",
  49                        init_scene_manager_type, scene_manager_p,
  50                        wrap_scene_manager, unwrap_scene_manager);
  51
  52   SCM
  53   irr_scene_addAnimatedMeshSceneNode (SCM wrapped_scene_manager,
  54                                       SCM mesh,
  55                                       SCM parent,
  56                                       SCM id,
  57                                       SCM position,
  58                                       SCM rotation,
  59                                       SCM scale,
  60                                       SCM alsoAddIfMeshPointerZero)
  61   {
  62     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
  63     irr::scene::IAnimatedMeshSceneNode* node =
  64       smgr->addAnimatedMeshSceneNode (unwrap_animated_mesh (mesh),
  65                                       scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
  66                                       scm_to_int32 (id),
  67                                       scm_to_vector3df (position),
  68                                       scm_to_vector3df (rotation),
  69                                       scm_to_vector3df (scale),
  70                                       scm_to_bool (alsoAddIfMeshPointerZero));
  71     return wrap_animated_mesh_scene_node (node);
  72   }
  73
  74   SCM
  75   irr_scene_addCameraSceneNode (SCM wrapped_scene_manager,
  76                                 SCM parent,
  77                                 SCM position,
  78                                 SCM lookat,
  79                                 SCM id,
  80                                 SCM make_active)
  81   {
  82     irr::scene::ISceneManager* scene_manager = unwrap_scene_manager (wrapped_scene_manager);
  83     irr::scene::ICameraSceneNode* camera =
  84       scene_manager->addCameraSceneNode (scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
  85                                          scm_to_vector3df (position),
  86                                          scm_to_vector3df (lookat),
  87                                          scm_to_int32 (id),
  88                                          scm_to_bool (make_active));
  89     return wrap_camera_scene_node (camera);
  90   }
  91
  92   SCM
  93   irr_scene_getMesh (SCM wrapped_scene_manager,
  94                      SCM filename)
  95   {
  96     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
  97     irr::scene::IAnimatedMesh* mesh = smgr->getMesh(scm_to_utf8_stringn (filename, NULL));
  98     return wrap_animated_mesh (mesh);
  99   }
 100
 101   SCM
 102   irr_getSceneManager (SCM wrapped_obj)
 103   {
 104     irr::scene::ISceneManager* scene_manager;
 105     if (device_p (wrapped_obj))
 106       {
 107         scene_manager = unwrap_device (wrapped_obj)->getSceneManager ();
 108       }
 109     else
 110       {
 111         scm_error (scm_arg_type_key, NULL, "Cannot get scene manager from object: ~S",
 112                    scm_list_1 (wrapped_obj), scm_list_1 (wrapped_obj));
 113       }
 114     return wrap_scene_manager (scene_manager);
 115   }
 116
 117 }