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 "keymap.h"
  30 #include "mesh.h"
  31 #include "mesh-scene-node.h"
  32 #include "scene-manager.h"
  33 #include "scene-node.h"
  34 #include "vector3d.h"
  35 #include "wrapped.h"
  36
  37 extern "C" {
  38
  39   void
  40   init_scene_manager (void)
  41   {
  42     init_scene_manager_type ();
  43     scm_c_define_gsubr ("add-animated-mesh-scene-node!", 2, 0, 1,
  44                         (scm_t_subr)irr_scene_addAnimatedMeshSceneNode);
  45     scm_c_define_gsubr ("add-camera-scene-node!", 1, 0, 1,
  46                         (scm_t_subr)irr_scene_addCameraSceneNode);
  47     scm_c_define_gsubr ("add-camera-scene-node-fps!", 1, 0, 1,
  48                         (scm_t_subr)irr_scene_addCameraSceneNodeFPS);
  49     scm_c_define_gsubr ("add-octree-scene-node!", 2, 0, 1,
  50                         (scm_t_subr)irr_scene_addOctreeSceneNode);
  51     scm_c_define_gsubr ("get-mesh", 2, 0, 0, (scm_t_subr)irr_scene_getMesh);
  52     scm_c_define_gsubr ("get-scene-manager", 1, 0, 0, (scm_t_subr)irr_getSceneManager);
  53     scm_c_export ("add-animated-mesh-scene-node!", "add-camera-scene-node!",
  54                   "add-camera-scene-node-fps!", "add-octree-scene-node!",
  55                   "get-mesh", "get-scene-manager", NULL);
  56   }
  57
  58   DEFINE_WRAPPED_TYPE (irr::scene::ISceneManager*, "scene-manager",
  59                        init_scene_manager_type, scene_manager_p,
  60                        wrap_scene_manager, unwrap_scene_manager);
  61
  62   SCM
  63   irr_scene_addAnimatedMeshSceneNode (SCM wrapped_scene_manager,
  64                                       SCM mesh,
  65                                       SCM rest)
  66   {
  67     SCM parent = scm_from_bool (0);
  68     SCM id = scm_from_int32 (-1);
  69     SCM position = scm_list_3 (scm_from_double (0),
  70                                scm_from_double (0),
  71                                scm_from_double (0));
  72     SCM rotation = scm_list_3 (scm_from_double (0),
  73                                scm_from_double (0),
  74                                scm_from_double (0));
  75     SCM scale = scm_list_3 (scm_from_double (1),
  76                             scm_from_double (1),
  77                             scm_from_double (1));
  78     SCM also_add_if_mesh_pointer_zero = scm_from_bool (0);
  79
  80     scm_c_bind_keyword_arguments ("add-animated-mesh-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
  81                                   scm_from_utf8_keyword ("parent"), &parent,
  82                                   scm_from_utf8_keyword ("id"), &id,
  83                                   scm_from_utf8_keyword ("position"), &position,
  84                                   scm_from_utf8_keyword ("rotation"), &rotation,
  85                                   scm_from_utf8_keyword ("scale"), &scale,
  86                                   scm_from_utf8_keyword ("also-add-if-mesh-pointer-zero"), &also_add_if_mesh_pointer_zero,
  87                                   SCM_UNDEFINED);
  88
  89     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
  90     irr::scene::IAnimatedMeshSceneNode* node =
  91       smgr->addAnimatedMeshSceneNode (unwrap_animated_mesh (mesh),
  92                                       scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
  93                                       scm_to_int32 (id),
  94                                       scm_to_vector3df (position),
  95                                       scm_to_vector3df (rotation),
  96                                       scm_to_vector3df (scale),
  97                                       scm_to_bool (also_add_if_mesh_pointer_zero));
  98     return wrap_animated_mesh_scene_node (node);
  99   }
 100
 101   SCM
 102   irr_scene_addCameraSceneNode (SCM wrapped_scene_manager,
 103                                 SCM rest)
 104   {
 105     SCM parent = scm_from_bool (0);
 106     SCM position = scm_list_3 (scm_from_double (0),
 107                                scm_from_double (0),
 108                                scm_from_double (0));
 109     SCM lookat = scm_list_3 (scm_from_double (0),
 110                              scm_from_double (0),
 111                              scm_from_double (100));
 112     SCM id = scm_from_int32 (-1);
 113     SCM make_active = scm_from_bool (1);
 114
 115     scm_c_bind_keyword_arguments ("add-camera-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 116                                   scm_from_utf8_keyword ("parent"), &parent,
 117                                   scm_from_utf8_keyword ("position"), &position,
 118                                   scm_from_utf8_keyword ("lookat"), &lookat,
 119                                   scm_from_utf8_keyword ("id"), &id,
 120                                   scm_from_utf8_keyword ("make-active"), &make_active,
 121                                   SCM_UNDEFINED);
 122
 123     irr::scene::ISceneManager* scene_manager = unwrap_scene_manager (wrapped_scene_manager);
 124     irr::scene::ICameraSceneNode* camera =
 125       scene_manager->addCameraSceneNode (scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 126                                          scm_to_vector3df (position),
 127                                          scm_to_vector3df (lookat),
 128                                          scm_to_int32 (id),
 129                                          scm_to_bool (make_active));
 130     return wrap_camera_scene_node (camera);
 131   }
 132
 133   SCM
 134   irr_scene_addCameraSceneNodeFPS (SCM wrapped_scene_manager,
 135                                    SCM rest)
 136   {
 137     SCM parent = scm_from_bool (0);
 138     SCM rotate_speed = scm_from_double (100);
 139     SCM move_speed = scm_from_double (0.5);
 140     SCM id = scm_from_int32 (-1);
 141     SCM key_map_array = scm_from_bool (0);
 142     SCM key_map_size = scm_from_int32 (0);
 143     SCM no_vertical_movement = scm_from_bool (0);
 144     SCM jump_speed = scm_from_double (0);
 145     SCM invert_mouse = scm_from_bool (0);
 146     SCM make_active = scm_from_bool (1);
 147
 148     scm_c_bind_keyword_arguments ("add-camera-scene-node-fps!", rest, (scm_t_keyword_arguments_flags)0,
 149                                   scm_from_utf8_keyword ("parent"), &parent,
 150                                   scm_from_utf8_keyword ("rotate-speed"), &rotate_speed,
 151                                   scm_from_utf8_keyword ("move-speed"), &move_speed,
 152                                   scm_from_utf8_keyword ("id"), &id,
 153                                   scm_from_utf8_keyword ("key-map-array"), &key_map_array,
 154                                   scm_from_utf8_keyword ("key-map-size"), &key_map_size,
 155                                   scm_from_utf8_keyword ("no-vertical-movement"), &no_vertical_movement,
 156                                   scm_from_utf8_keyword ("jump-speed"), &jump_speed,
 157                                   scm_from_utf8_keyword ("invert-mouse"), &invert_mouse,
 158                                   scm_from_utf8_keyword ("make-active"), &make_active,
 159                                   SCM_UNDEFINED);
 160
 161     irr::scene::ISceneManager* scene_manager = unwrap_scene_manager (wrapped_scene_manager);
 162     irr::scene::ICameraSceneNode* camera =
 163       scene_manager->addCameraSceneNodeFPS (scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 164                                             scm_to_double (rotate_speed),
 165                                             scm_to_double (move_speed),
 166                                             scm_to_int32 (id),
 167                                             scm_is_false (key_map_array) ? 0 : unwrap_keymap (key_map_array),
 168                                             scm_to_int32 (key_map_size),
 169                                             scm_to_bool (no_vertical_movement),
 170                                             scm_to_double (jump_speed),
 171                                             scm_to_bool (invert_mouse),
 172                                             scm_to_bool (make_active));
 173     return wrap_camera_scene_node (camera);
 174   }
 175
 176   SCM
 177   irr_scene_addOctreeSceneNode (SCM wrapped_scene_manager,
 178                                 SCM wrapped_mesh,
 179                                 SCM rest)
 180   {
 181     SCM parent = scm_from_bool (0);
 182     SCM id = scm_from_int32 (-1);
 183     SCM minimal_polys_per_node = scm_from_int32 (256);
 184     SCM also_add_if_mesh_pointer_zero = scm_from_bool (0);
 185
 186     scm_c_bind_keyword_arguments ("add-octree-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 187                                   scm_from_utf8_keyword ("parent"), &parent,
 188                                   scm_from_utf8_keyword ("id"), &id,
 189                                   scm_from_utf8_keyword ("minimal-polys-per-node"), &minimal_polys_per_node,
 190                                   scm_from_utf8_keyword ("also-add-if-mesh-pointer-zero"), &also_add_if_mesh_pointer_zero,
 191                                   SCM_UNDEFINED);
 192
 193     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 194     irr::scene::IMeshSceneNode* node;
 195     if (animated_mesh_p (wrapped_mesh))
 196       {
 197         node = smgr->addOctreeSceneNode (unwrap_animated_mesh (wrapped_mesh),
 198                                          scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 199                                          scm_to_int32 (id),
 200                                          scm_to_int32 (minimal_polys_per_node),
 201                                          scm_to_bool (also_add_if_mesh_pointer_zero));
 202       }
 203     else
 204       {
 205         node = smgr->addOctreeSceneNode (unwrap_mesh (wrapped_mesh),
 206                                          scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 207                                          scm_to_int32 (id),
 208                                          scm_to_int32 (minimal_polys_per_node),
 209                                          scm_to_bool (also_add_if_mesh_pointer_zero));
 210       }
 211     return wrap_mesh_scene_node (node);
 212   }
 213
 214   SCM
 215   irr_scene_getMesh (SCM wrapped_scene_manager,
 216                      SCM filename)
 217   {
 218     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 219     irr::scene::IAnimatedMesh* mesh = smgr->getMesh(scm_to_utf8_stringn (filename, NULL));
 220     return wrap_animated_mesh (mesh);
 221   }
 222
 223   SCM
 224   irr_getSceneManager (SCM wrapped_obj)
 225   {
 226     irr::scene::ISceneManager* scene_manager;
 227     if (device_p (wrapped_obj))
 228       {
 229         scene_manager = unwrap_device (wrapped_obj)->getSceneManager ();
 230       }
 231     else
 232       {
 233         scm_error (scm_arg_type_key, NULL, "Cannot get scene manager from object: ~S",
 234                    scm_list_1 (wrapped_obj), scm_list_1 (wrapped_obj));
 235       }
 236     return wrap_scene_manager (scene_manager);
 237   }
 238
 239 }