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 "box3d.h"
  28 #include "camera-scene-node.h"
  29 #include "device.h"
  30 #include "keymap.h"
  31 #include "material.h"
  32 #include "mesh.h"
  33 #include "mesh-scene-node.h"
  34 #include "scene-manager.h"
  35 #include "scene-node.h"
  36 #include "scene-node-animator.h"
  37 #include "vector3d.h"
  38 #include "wrapped.h"
  39
  40 extern "C" {
  41
  42   void
  43   init_scene_manager (void)
  44   {
  45     init_scene_manager_type ();
  46     scm_c_define_gsubr ("add-animated-mesh-scene-node!", 2, 0, 1,
  47                         (scm_t_subr)irr_scene_addAnimatedMeshSceneNode);
  48     scm_c_define_gsubr ("add-camera-scene-node!", 1, 0, 1,
  49                         (scm_t_subr)irr_scene_addCameraSceneNode);
  50     scm_c_define_gsubr ("add-camera-scene-node-fps!", 1, 0, 1,
  51                         (scm_t_subr)irr_scene_addCameraSceneNodeFPS);
  52     scm_c_define_gsubr ("add-cube-scene-node!", 1, 0, 1,
  53                         (scm_t_subr)irr_scene_addCubeSceneNode);
  54     scm_c_define_gsubr ("add-custom-scene-node!", 5, 0, 1,
  55                         (scm_t_subr)irr_scene_addCustomSceneNode);
  56     scm_c_define_gsubr ("add-octree-scene-node!", 2, 0, 1,
  57                         (scm_t_subr)irr_scene_addOctreeSceneNode);
  58     scm_c_define_gsubr ("add-sphere-scene-node!", 1, 0, 1,
  59                         (scm_t_subr)irr_scene_addSphereSceneNode);
  60     scm_c_define_gsubr ("create-fly-circle-animator", 1, 0, 1,
  61                         (scm_t_subr)irr_scene_createFlyCircleAnimator);
  62     scm_c_define_gsubr ("create-rotation-animator", 2, 0, 0,
  63                         (scm_t_subr)irr_scene_createRotationAnimator);
  64     scm_c_define_gsubr ("get-mesh", 2, 0, 0, (scm_t_subr)irr_scene_getMesh);
  65     scm_c_define_gsubr ("get-root-scene-node", 1, 0, 0, (scm_t_subr)irr_scene_getRootSceneNode);
  66     scm_c_define_gsubr ("get-scene-manager", 1, 0, 0, (scm_t_subr)irr_getSceneManager);
  67     scm_c_export ("add-animated-mesh-scene-node!", "add-camera-scene-node!",
  68                   "add-camera-scene-node-fps!", "add-custom-scene-node!", "add-cube-scene-node!",
  69                   "add-octree-scene-node!", "add-sphere-scene-node!", "create-fly-circle-animator",
  70                   "create-rotation-animator", "get-mesh", "get-root-scene-node",
  71                   "get-scene-manager", NULL);
  72   }
  73
  74   DEFINE_WRAPPED_TYPE (irr::scene::ISceneManager*, "scene-manager",
  75                        init_scene_manager_type, scene_manager_p,
  76                        wrap_scene_manager, unwrap_scene_manager);
  77
  78   SCM
  79   irr_scene_addAnimatedMeshSceneNode (SCM wrapped_scene_manager,
  80                                       SCM mesh,
  81                                       SCM rest)
  82   {
  83     SCM parent = scm_from_bool (0);
  84     SCM id = scm_from_int32 (-1);
  85     SCM position = scm_list_3 (scm_from_double (0),
  86                                scm_from_double (0),
  87                                scm_from_double (0));
  88     SCM rotation = scm_list_3 (scm_from_double (0),
  89                                scm_from_double (0),
  90                                scm_from_double (0));
  91     SCM scale = scm_list_3 (scm_from_double (1),
  92                             scm_from_double (1),
  93                             scm_from_double (1));
  94     SCM also_add_if_mesh_pointer_zero = scm_from_bool (0);
  95
  96     scm_c_bind_keyword_arguments ("add-animated-mesh-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
  97                                   scm_from_utf8_keyword ("parent"), &parent,
  98                                   scm_from_utf8_keyword ("id"), &id,
  99                                   scm_from_utf8_keyword ("position"), &position,
 100                                   scm_from_utf8_keyword ("rotation"), &rotation,
 101                                   scm_from_utf8_keyword ("scale"), &scale,
 102                                   scm_from_utf8_keyword ("also-add-if-mesh-pointer-zero"), &also_add_if_mesh_pointer_zero,
 103                                   SCM_UNDEFINED);
 104
 105     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 106     irr::scene::IAnimatedMeshSceneNode* node =
 107       smgr->addAnimatedMeshSceneNode (unwrap_animated_mesh (mesh),
 108                                       scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 109                                       scm_to_int32 (id),
 110                                       scm_to_vector3df (position),
 111                                       scm_to_vector3df (rotation),
 112                                       scm_to_vector3df (scale),
 113                                       scm_to_bool (also_add_if_mesh_pointer_zero));
 114     return wrap_animated_mesh_scene_node (node);
 115   }
 116
 117   SCM
 118   irr_scene_addCameraSceneNode (SCM wrapped_scene_manager,
 119                                 SCM rest)
 120   {
 121     SCM parent = scm_from_bool (0);
 122     SCM position = scm_list_3 (scm_from_double (0),
 123                                scm_from_double (0),
 124                                scm_from_double (0));
 125     SCM lookat = scm_list_3 (scm_from_double (0),
 126                              scm_from_double (0),
 127                              scm_from_double (100));
 128     SCM id = scm_from_int32 (-1);
 129     SCM make_active = scm_from_bool (1);
 130
 131     scm_c_bind_keyword_arguments ("add-camera-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 132                                   scm_from_utf8_keyword ("parent"), &parent,
 133                                   scm_from_utf8_keyword ("position"), &position,
 134                                   scm_from_utf8_keyword ("lookat"), &lookat,
 135                                   scm_from_utf8_keyword ("id"), &id,
 136                                   scm_from_utf8_keyword ("make-active"), &make_active,
 137                                   SCM_UNDEFINED);
 138
 139     irr::scene::ISceneManager* scene_manager = unwrap_scene_manager (wrapped_scene_manager);
 140     irr::scene::ICameraSceneNode* camera =
 141       scene_manager->addCameraSceneNode (scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 142                                          scm_to_vector3df (position),
 143                                          scm_to_vector3df (lookat),
 144                                          scm_to_int32 (id),
 145                                          scm_to_bool (make_active));
 146     return wrap_camera_scene_node (camera);
 147   }
 148
 149   SCM
 150   irr_scene_addCameraSceneNodeFPS (SCM wrapped_scene_manager,
 151                                    SCM rest)
 152   {
 153     SCM parent = scm_from_bool (0);
 154     SCM rotate_speed = scm_from_double (100);
 155     SCM move_speed = scm_from_double (0.5);
 156     SCM id = scm_from_int32 (-1);
 157     SCM key_map_array = scm_from_bool (0);
 158     SCM key_map_size = scm_from_int32 (0);
 159     SCM no_vertical_movement = scm_from_bool (0);
 160     SCM jump_speed = scm_from_double (0);
 161     SCM invert_mouse = scm_from_bool (0);
 162     SCM make_active = scm_from_bool (1);
 163
 164     scm_c_bind_keyword_arguments ("add-camera-scene-node-fps!", rest, (scm_t_keyword_arguments_flags)0,
 165                                   scm_from_utf8_keyword ("parent"), &parent,
 166                                   scm_from_utf8_keyword ("rotate-speed"), &rotate_speed,
 167                                   scm_from_utf8_keyword ("move-speed"), &move_speed,
 168                                   scm_from_utf8_keyword ("id"), &id,
 169                                   scm_from_utf8_keyword ("key-map-array"), &key_map_array,
 170                                   scm_from_utf8_keyword ("key-map-size"), &key_map_size,
 171                                   scm_from_utf8_keyword ("no-vertical-movement"), &no_vertical_movement,
 172                                   scm_from_utf8_keyword ("jump-speed"), &jump_speed,
 173                                   scm_from_utf8_keyword ("invert-mouse"), &invert_mouse,
 174                                   scm_from_utf8_keyword ("make-active"), &make_active,
 175                                   SCM_UNDEFINED);
 176
 177     irr::scene::ISceneManager* scene_manager = unwrap_scene_manager (wrapped_scene_manager);
 178     irr::scene::ICameraSceneNode* camera =
 179       scene_manager->addCameraSceneNodeFPS (scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 180                                             scm_to_double (rotate_speed),
 181                                             scm_to_double (move_speed),
 182                                             scm_to_int32 (id),
 183                                             scm_is_false (key_map_array) ? 0 : unwrap_keymap (key_map_array),
 184                                             scm_to_int32 (key_map_size),
 185                                             scm_to_bool (no_vertical_movement),
 186                                             scm_to_double (jump_speed),
 187                                             scm_to_bool (invert_mouse),
 188                                             scm_to_bool (make_active));
 189     return wrap_camera_scene_node (camera);
 190   }
 191
 192   SCM
 193   irr_scene_addCubeSceneNode (SCM wrapped_scene_manager,
 194                               SCM rest)
 195   {
 196     SCM size = scm_from_double (10);
 197     SCM parent = scm_from_bool (0);
 198     SCM id = scm_from_int32 (-1);
 199     SCM position = scm_list_3 (scm_from_double (0),
 200                                scm_from_double (0),
 201                                scm_from_double (0));
 202     SCM rotation = scm_list_3 (scm_from_double (0),
 203                                scm_from_double (0),
 204                                scm_from_double (0));
 205     SCM scale = scm_list_3 (scm_from_double (1),
 206                             scm_from_double (1),
 207                             scm_from_double (1));
 208
 209     scm_c_bind_keyword_arguments ("add-cube-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 210                                   scm_from_utf8_keyword ("size"), &size,
 211                                   scm_from_utf8_keyword ("parent"), &parent,
 212                                   scm_from_utf8_keyword ("id"), &id,
 213                                   scm_from_utf8_keyword ("position"), &position,
 214                                   scm_from_utf8_keyword ("rotation"), &rotation,
 215                                   scm_from_utf8_keyword ("scale"), &scale,
 216                                   SCM_UNDEFINED);
 217
 218     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 219     irr::scene::IMeshSceneNode* node =
 220       smgr->addCubeSceneNode (scm_to_double (size),
 221                               scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 222                               scm_to_int32 (id),
 223                               scm_to_vector3df (position),
 224                               scm_to_vector3df (rotation),
 225                               scm_to_vector3df (scale));
 226     return wrap_mesh_scene_node (node);
 227   }
 228
 229   SCM
 230   irr_scene_addCustomSceneNode (SCM wrapped_scene_manager,
 231                                 SCM proc_render,
 232                                 SCM proc_get_bounding_box,
 233                                 SCM proc_get_material_count,
 234                                 SCM proc_get_material,
 235                                 SCM rest)
 236   {
 237     irr::scene::ISceneManager* scene_manager = unwrap_scene_manager (wrapped_scene_manager);
 238
 239     SCM parent = wrap_scene_node (scene_manager->getRootSceneNode ());
 240     SCM id = scm_from_int32 (-1);
 241     SCM position = scm_list_3 (scm_from_double (0),
 242                                scm_from_double (0),
 243                                scm_from_double (0));
 244     SCM rotation = scm_list_3 (scm_from_double (0),
 245                                scm_from_double (0),
 246                                scm_from_double (0));
 247     SCM scale = scm_list_3 (scm_from_double (1),
 248                             scm_from_double (1),
 249                             scm_from_double (1));
 250
 251     scm_c_bind_keyword_arguments ("add-custom-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 252                                   scm_from_utf8_keyword ("parent"), &parent,
 253                                   scm_from_utf8_keyword ("id"), &id,
 254                                   scm_from_utf8_keyword ("position"), &position,
 255                                   scm_from_utf8_keyword ("rotation"), &rotation,
 256                                   scm_from_utf8_keyword ("scale"), &scale,
 257                                   SCM_UNDEFINED);
 258
 259     class CustomSceneNode : public irr::scene::ISceneNode
 260     {
 261       SCM scm_render;
 262       SCM scm_get_bounding_box;
 263       SCM scm_get_material_count;
 264       SCM scm_get_material;
 265
 266     public:
 267       CustomSceneNode (irr::scene::ISceneNode* parent,
 268                        irr::scene::ISceneManager* smgr,
 269                        irr::s32 id,
 270                        const irr::core::vector3df& position,
 271                        const irr::core::vector3df& rotation,
 272                        const irr::core::vector3df& scale,
 273                        SCM render,
 274                        SCM get_bounding_box,
 275                        SCM get_material_count,
 276                        SCM get_material)
 277         : irr::scene::ISceneNode (parent, smgr, id, position, rotation, scale)
 278       {
 279         scm_render = render;
 280         scm_get_bounding_box = get_bounding_box;
 281         scm_get_material_count = get_material_count;
 282         scm_get_material = get_material;
 283       }
 284
 285       virtual void OnRegisterSceneNode ()
 286       {
 287         if (IsVisible)
 288           {
 289             SceneManager->registerNodeForRendering (this);
 290           }
 291         ISceneNode::OnRegisterSceneNode ();
 292       }
 293
 294       virtual void render ()
 295       {
 296         scm_call_0 (scm_render);
 297       }
 298
 299       virtual const irr::core::aabbox3d<irr::f32>& getBoundingBox () const
 300       {
 301         SCM box = scm_call_0 (scm_get_bounding_box);
 302         return *(unwrap_box3d (box));
 303       }
 304
 305       virtual irr::u32 getMaterialCount () const
 306       {
 307         return scm_to_uint32 (scm_call_0 (scm_get_material_count));
 308       }
 309
 310       virtual irr::video::SMaterial& getMaterial (irr::u32 i)
 311       {
 312         SCM material = scm_call_1 (scm_get_material, scm_from_uint32 (i));
 313         return *(unwrap_material (material));
 314       }
 315     };
 316
 317     CustomSceneNode* node =
 318       new CustomSceneNode (unwrap_scene_node (parent),
 319                            scene_manager,
 320                            scm_to_int32 (id),
 321                            scm_to_vector3df (position),
 322                            scm_to_vector3df (rotation),
 323                            scm_to_vector3df (scale),
 324                            proc_render,
 325                            proc_get_bounding_box,
 326                            proc_get_material_count,
 327                            proc_get_material);
 328     return wrap_scene_node (node);
 329   }
 330
 331   SCM
 332   irr_scene_addOctreeSceneNode (SCM wrapped_scene_manager,
 333                                 SCM wrapped_mesh,
 334                                 SCM rest)
 335   {
 336     SCM parent = scm_from_bool (0);
 337     SCM id = scm_from_int32 (-1);
 338     SCM minimal_polys_per_node = scm_from_int32 (256);
 339     SCM also_add_if_mesh_pointer_zero = scm_from_bool (0);
 340
 341     scm_c_bind_keyword_arguments ("add-octree-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 342                                   scm_from_utf8_keyword ("parent"), &parent,
 343                                   scm_from_utf8_keyword ("id"), &id,
 344                                   scm_from_utf8_keyword ("minimal-polys-per-node"), &minimal_polys_per_node,
 345                                   scm_from_utf8_keyword ("also-add-if-mesh-pointer-zero"), &also_add_if_mesh_pointer_zero,
 346                                   SCM_UNDEFINED);
 347
 348     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 349     irr::scene::IMeshSceneNode* node;
 350     if (animated_mesh_p (wrapped_mesh))
 351       {
 352         node = smgr->addOctreeSceneNode (unwrap_animated_mesh (wrapped_mesh),
 353                                          scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 354                                          scm_to_int32 (id),
 355                                          scm_to_int32 (minimal_polys_per_node),
 356                                          scm_to_bool (also_add_if_mesh_pointer_zero));
 357       }
 358     else
 359       {
 360         node = smgr->addOctreeSceneNode (unwrap_mesh (wrapped_mesh),
 361                                          scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 362                                          scm_to_int32 (id),
 363                                          scm_to_int32 (minimal_polys_per_node),
 364                                          scm_to_bool (also_add_if_mesh_pointer_zero));
 365       }
 366     return wrap_mesh_scene_node (node);
 367   }
 368
 369   SCM
 370   irr_scene_addSphereSceneNode (SCM wrapped_scene_manager,
 371                                 SCM rest)
 372   {
 373     SCM radius = scm_from_double (5.0);
 374     SCM poly_count = scm_from_int32 (16);
 375     SCM parent = scm_from_bool (0);
 376     SCM id = scm_from_int32 (-1);
 377     SCM position = scm_list_3 (scm_from_double (0),
 378                                scm_from_double (0),
 379                                scm_from_double (0));
 380     SCM rotation = scm_list_3 (scm_from_double (0),
 381                                scm_from_double (0),
 382                                scm_from_double (0));
 383     SCM scale = scm_list_3 (scm_from_double (1),
 384                             scm_from_double (1),
 385                             scm_from_double (1));
 386
 387     scm_c_bind_keyword_arguments ("add-sphere-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 388                                   scm_from_utf8_keyword ("radius"), &radius,
 389                                   scm_from_utf8_keyword ("poly-count"), &poly_count,
 390                                   scm_from_utf8_keyword ("parent"), &parent,
 391                                   scm_from_utf8_keyword ("id"), &id,
 392                                   scm_from_utf8_keyword ("position"), &position,
 393                                   scm_from_utf8_keyword ("rotation"), &rotation,
 394                                   scm_from_utf8_keyword ("scale"), &scale,
 395                                   SCM_UNDEFINED);
 396
 397     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 398     irr::scene::IMeshSceneNode* node =
 399       smgr->addSphereSceneNode (scm_to_double (radius),
 400                                 scm_to_int32 (poly_count),
 401                                 scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 402                                 scm_to_int32 (id),
 403                                 scm_to_vector3df (position),
 404                                 scm_to_vector3df (rotation),
 405                                 scm_to_vector3df (scale));
 406     return wrap_mesh_scene_node (node);
 407   }
 408
 409   SCM
 410   irr_scene_createFlyCircleAnimator (SCM wrapped_scene_manager,
 411                                      SCM rest)
 412   {
 413     SCM center = scm_list_3 (scm_from_double (0),
 414                              scm_from_double (0),
 415                              scm_from_double (0));
 416     SCM radius = scm_from_double (100);
 417     SCM speed = scm_from_double (0.001);
 418     SCM direction = scm_list_3 (scm_from_double (0),
 419                                 scm_from_double (1),
 420                                 scm_from_double (0));
 421     SCM start_position = scm_from_double (0);
 422     SCM radius_ellipsoid = scm_from_double (0);
 423
 424     scm_c_bind_keyword_arguments ("create-fly-circle-animator", rest, (scm_t_keyword_arguments_flags)0,
 425                                   scm_from_utf8_keyword ("center"), &center,
 426                                   scm_from_utf8_keyword ("radius"), &radius,
 427                                   scm_from_utf8_keyword ("speed"), &speed,
 428                                   scm_from_utf8_keyword ("direction"), &direction,
 429                                   scm_from_utf8_keyword ("start-position"), &start_position,
 430                                   scm_from_utf8_keyword ("radius-ellipsoid"), &radius_ellipsoid,
 431                                   SCM_UNDEFINED);
 432
 433     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 434     irr::scene::ISceneNodeAnimator* anim =
 435       smgr->createFlyCircleAnimator (scm_to_vector3df (center),
 436                                      scm_to_double (radius),
 437                                      scm_to_double (speed),
 438                                      scm_to_vector3df (direction),
 439                                      scm_to_double (start_position),
 440                                      scm_to_double (radius_ellipsoid));
 441     return wrap_scene_node_animator (anim);
 442   }
 443
 444   SCM
 445   irr_scene_createRotationAnimator (SCM wrapped_scene_manager,
 446                                     SCM rotation_speed)
 447   {
 448     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 449     irr::scene::ISceneNodeAnimator* anim =
 450       smgr->createRotationAnimator (scm_to_vector3df (rotation_speed));
 451     return wrap_scene_node_animator (anim);
 452   }
 453
 454   SCM
 455   irr_scene_getMesh (SCM wrapped_scene_manager,
 456                      SCM filename)
 457   {
 458     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 459     irr::scene::IAnimatedMesh* mesh = smgr->getMesh(scm_to_utf8_stringn (filename, NULL));
 460     return wrap_animated_mesh (mesh);
 461   }
 462
 463   SCM
 464   irr_scene_getRootSceneNode (SCM wrapped_scene_manager)
 465   {
 466     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 467     return wrap_scene_node (smgr->getRootSceneNode ());
 468   }
 469
 470   SCM
 471   irr_getSceneManager (SCM wrapped_obj)
 472   {
 473     irr::scene::ISceneManager* scene_manager;
 474     if (device_p (wrapped_obj))
 475       {
 476         scene_manager = unwrap_device (wrapped_obj)->getSceneManager ();
 477       }
 478     else
 479       {
 480         scm_error (scm_arg_type_key, NULL, "Cannot get scene manager from object: ~S",
 481                    scm_list_1 (wrapped_obj), scm_list_1 (wrapped_obj));
 482       }
 483     return wrap_scene_manager (scene_manager);
 484   }
 485
 486 }