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 "gsubr.h"
  31 #include "keymap.h"
  32 #include "material.h"
  33 #include "mesh.h"
  34 #include "mesh-scene-node.h"
  35 #include "scene-manager.h"
  36 #include "scene-node.h"
  37 #include "scene-node-animator.h"
  38 #include "vector3d.h"
  39 #include "wrapped.h"
  40
  41 extern "C" {
  42
  43   void
  44   init_scene_manager (void)
  45   {
  46     init_scene_manager_type ();
  47     DEFINE_GSUBR ("add-animated-mesh-scene-node!", 2, 0, 1, irr_scene_addAnimatedMeshSceneNode);
  48     DEFINE_GSUBR ("add-camera-scene-node!", 1, 0, 1, irr_scene_addCameraSceneNode);
  49     DEFINE_GSUBR ("add-camera-scene-node-fps!", 1, 0, 1, irr_scene_addCameraSceneNodeFPS);
  50     DEFINE_GSUBR ("add-cube-scene-node!", 1, 0, 1, irr_scene_addCubeSceneNode);
  51     DEFINE_GSUBR ("add-custom-scene-node!", 5, 0, 1, irr_scene_addCustomSceneNode);
  52     DEFINE_GSUBR ("add-octree-scene-node!", 2, 0, 1, irr_scene_addOctreeSceneNode);
  53     DEFINE_GSUBR ("add-sphere-scene-node!", 1, 0, 1, irr_scene_addSphereSceneNode);
  54     DEFINE_GSUBR ("create-fly-circle-animator", 1, 0, 1, irr_scene_createFlyCircleAnimator);
  55     DEFINE_GSUBR ("create-fly-straight-animator", 4, 0, 1, irr_scene_createFlyStraightAnimator);
  56     DEFINE_GSUBR ("create-rotation-animator", 2, 0, 0, irr_scene_createRotationAnimator);
  57     DEFINE_GSUBR ("get-mesh", 2, 0, 0, irr_scene_getMesh);
  58     DEFINE_GSUBR ("get-root-scene-node", 1, 0, 0, irr_scene_getRootSceneNode);
  59     DEFINE_GSUBR ("get-scene-manager", 1, 0, 0, irr_getSceneManager);
  60   }
  61
  62   DEFINE_WRAPPED_TYPE (irr::scene::ISceneManager*, "scene-manager",
  63                        init_scene_manager_type, scene_manager_p,
  64                        wrap_scene_manager, unwrap_scene_manager);
  65
  66   SCM
  67   irr_scene_addAnimatedMeshSceneNode (SCM wrapped_scene_manager,
  68                                       SCM mesh,
  69                                       SCM rest)
  70   {
  71     SCM parent = SCM_BOOL_F;
  72     SCM id = scm_from_int32 (-1);
  73     SCM position = scm_list_3 (scm_from_double (0),
  74                                scm_from_double (0),
  75                                scm_from_double (0));
  76     SCM rotation = scm_list_3 (scm_from_double (0),
  77                                scm_from_double (0),
  78                                scm_from_double (0));
  79     SCM scale = scm_list_3 (scm_from_double (1),
  80                             scm_from_double (1),
  81                             scm_from_double (1));
  82     SCM also_add_if_mesh_pointer_zero = SCM_BOOL_F;
  83
  84     scm_c_bind_keyword_arguments ("add-animated-mesh-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
  85                                   scm_from_utf8_keyword ("parent"), &parent,
  86                                   scm_from_utf8_keyword ("id"), &id,
  87                                   scm_from_utf8_keyword ("position"), &position,
  88                                   scm_from_utf8_keyword ("rotation"), &rotation,
  89                                   scm_from_utf8_keyword ("scale"), &scale,
  90                                   scm_from_utf8_keyword ("also-add-if-mesh-pointer-zero"), &also_add_if_mesh_pointer_zero,
  91                                   SCM_UNDEFINED);
  92
  93     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
  94     irr::scene::IAnimatedMeshSceneNode* node =
  95       smgr->addAnimatedMeshSceneNode (unwrap_animated_mesh (mesh),
  96                                       scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
  97                                       scm_to_int32 (id),
  98                                       scm_to_vector3df (position),
  99                                       scm_to_vector3df (rotation),
 100                                       scm_to_vector3df (scale),
 101                                       scm_to_bool (also_add_if_mesh_pointer_zero));
 102     return wrap_animated_mesh_scene_node (node);
 103   }
 104
 105   SCM
 106   irr_scene_addCameraSceneNode (SCM wrapped_scene_manager,
 107                                 SCM rest)
 108   {
 109     SCM parent = SCM_BOOL_F;
 110     SCM position = scm_list_3 (scm_from_double (0),
 111                                scm_from_double (0),
 112                                scm_from_double (0));
 113     SCM lookat = scm_list_3 (scm_from_double (0),
 114                              scm_from_double (0),
 115                              scm_from_double (100));
 116     SCM id = scm_from_int32 (-1);
 117     SCM make_active = SCM_BOOL_T;
 118
 119     scm_c_bind_keyword_arguments ("add-camera-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 120                                   scm_from_utf8_keyword ("parent"), &parent,
 121                                   scm_from_utf8_keyword ("position"), &position,
 122                                   scm_from_utf8_keyword ("lookat"), &lookat,
 123                                   scm_from_utf8_keyword ("id"), &id,
 124                                   scm_from_utf8_keyword ("make-active"), &make_active,
 125                                   SCM_UNDEFINED);
 126
 127     irr::scene::ISceneManager* scene_manager = unwrap_scene_manager (wrapped_scene_manager);
 128     irr::scene::ICameraSceneNode* camera =
 129       scene_manager->addCameraSceneNode (scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 130                                          scm_to_vector3df (position),
 131                                          scm_to_vector3df (lookat),
 132                                          scm_to_int32 (id),
 133                                          scm_to_bool (make_active));
 134     return wrap_camera_scene_node (camera);
 135   }
 136
 137   SCM
 138   irr_scene_addCameraSceneNodeFPS (SCM wrapped_scene_manager,
 139                                    SCM rest)
 140   {
 141     SCM parent = SCM_BOOL_F;
 142     SCM rotate_speed = scm_from_double (100);
 143     SCM move_speed = scm_from_double (0.5);
 144     SCM id = scm_from_int32 (-1);
 145     SCM key_map_array = SCM_BOOL_F;
 146     SCM key_map_size = scm_from_int32 (0);
 147     SCM no_vertical_movement = SCM_BOOL_F;
 148     SCM jump_speed = scm_from_double (0);
 149     SCM invert_mouse = SCM_BOOL_F;
 150     SCM make_active = SCM_BOOL_T;
 151
 152     scm_c_bind_keyword_arguments ("add-camera-scene-node-fps!", rest, (scm_t_keyword_arguments_flags)0,
 153                                   scm_from_utf8_keyword ("parent"), &parent,
 154                                   scm_from_utf8_keyword ("rotate-speed"), &rotate_speed,
 155                                   scm_from_utf8_keyword ("move-speed"), &move_speed,
 156                                   scm_from_utf8_keyword ("id"), &id,
 157                                   scm_from_utf8_keyword ("key-map-array"), &key_map_array,
 158                                   scm_from_utf8_keyword ("key-map-size"), &key_map_size,
 159                                   scm_from_utf8_keyword ("no-vertical-movement"), &no_vertical_movement,
 160                                   scm_from_utf8_keyword ("jump-speed"), &jump_speed,
 161                                   scm_from_utf8_keyword ("invert-mouse"), &invert_mouse,
 162                                   scm_from_utf8_keyword ("make-active"), &make_active,
 163                                   SCM_UNDEFINED);
 164
 165     irr::scene::ISceneManager* scene_manager = unwrap_scene_manager (wrapped_scene_manager);
 166     irr::scene::ICameraSceneNode* camera =
 167       scene_manager->addCameraSceneNodeFPS (scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 168                                             scm_to_double (rotate_speed),
 169                                             scm_to_double (move_speed),
 170                                             scm_to_int32 (id),
 171                                             scm_is_false (key_map_array) ? 0 : unwrap_keymap (key_map_array),
 172                                             scm_to_int32 (key_map_size),
 173                                             scm_to_bool (no_vertical_movement),
 174                                             scm_to_double (jump_speed),
 175                                             scm_to_bool (invert_mouse),
 176                                             scm_to_bool (make_active));
 177     return wrap_camera_scene_node (camera);
 178   }
 179
 180   SCM
 181   irr_scene_addCubeSceneNode (SCM wrapped_scene_manager,
 182                               SCM rest)
 183   {
 184     SCM size = scm_from_double (10);
 185     SCM parent = SCM_BOOL_F;
 186     SCM id = scm_from_int32 (-1);
 187     SCM position = scm_list_3 (scm_from_double (0),
 188                                scm_from_double (0),
 189                                scm_from_double (0));
 190     SCM rotation = scm_list_3 (scm_from_double (0),
 191                                scm_from_double (0),
 192                                scm_from_double (0));
 193     SCM scale = scm_list_3 (scm_from_double (1),
 194                             scm_from_double (1),
 195                             scm_from_double (1));
 196
 197     scm_c_bind_keyword_arguments ("add-cube-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 198                                   scm_from_utf8_keyword ("size"), &size,
 199                                   scm_from_utf8_keyword ("parent"), &parent,
 200                                   scm_from_utf8_keyword ("id"), &id,
 201                                   scm_from_utf8_keyword ("position"), &position,
 202                                   scm_from_utf8_keyword ("rotation"), &rotation,
 203                                   scm_from_utf8_keyword ("scale"), &scale,
 204                                   SCM_UNDEFINED);
 205
 206     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 207     irr::scene::IMeshSceneNode* node =
 208       smgr->addCubeSceneNode (scm_to_double (size),
 209                               scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 210                               scm_to_int32 (id),
 211                               scm_to_vector3df (position),
 212                               scm_to_vector3df (rotation),
 213                               scm_to_vector3df (scale));
 214     return wrap_mesh_scene_node (node);
 215   }
 216
 217   SCM
 218   irr_scene_addCustomSceneNode (SCM wrapped_scene_manager,
 219                                 SCM proc_render,
 220                                 SCM proc_get_bounding_box,
 221                                 SCM proc_get_material_count,
 222                                 SCM proc_get_material,
 223                                 SCM rest)
 224   {
 225     irr::scene::ISceneManager* scene_manager = unwrap_scene_manager (wrapped_scene_manager);
 226
 227     SCM parent = wrap_scene_node (scene_manager->getRootSceneNode ());
 228     SCM id = scm_from_int32 (-1);
 229     SCM position = scm_list_3 (scm_from_double (0),
 230                                scm_from_double (0),
 231                                scm_from_double (0));
 232     SCM rotation = scm_list_3 (scm_from_double (0),
 233                                scm_from_double (0),
 234                                scm_from_double (0));
 235     SCM scale = scm_list_3 (scm_from_double (1),
 236                             scm_from_double (1),
 237                             scm_from_double (1));
 238
 239     scm_c_bind_keyword_arguments ("add-custom-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 240                                   scm_from_utf8_keyword ("parent"), &parent,
 241                                   scm_from_utf8_keyword ("id"), &id,
 242                                   scm_from_utf8_keyword ("position"), &position,
 243                                   scm_from_utf8_keyword ("rotation"), &rotation,
 244                                   scm_from_utf8_keyword ("scale"), &scale,
 245                                   SCM_UNDEFINED);
 246
 247     class CustomSceneNode : public irr::scene::ISceneNode
 248     {
 249       SCM scm_render;
 250       SCM scm_get_bounding_box;
 251       SCM scm_get_material_count;
 252       SCM scm_get_material;
 253
 254     public:
 255       CustomSceneNode (irr::scene::ISceneNode* parent,
 256                        irr::scene::ISceneManager* smgr,
 257                        irr::s32 id,
 258                        const irr::core::vector3df& position,
 259                        const irr::core::vector3df& rotation,
 260                        const irr::core::vector3df& scale,
 261                        SCM render,
 262                        SCM get_bounding_box,
 263                        SCM get_material_count,
 264                        SCM get_material)
 265         : irr::scene::ISceneNode (parent, smgr, id, position, rotation, scale)
 266       {
 267         scm_render = render;
 268         scm_get_bounding_box = get_bounding_box;
 269         scm_get_material_count = get_material_count;
 270         scm_get_material = get_material;
 271       }
 272
 273       virtual void OnRegisterSceneNode ()
 274       {
 275         if (IsVisible)
 276           {
 277             SceneManager->registerNodeForRendering (this);
 278           }
 279         ISceneNode::OnRegisterSceneNode ();
 280       }
 281
 282       virtual void render ()
 283       {
 284         scm_call_0 (scm_render);
 285       }
 286
 287       virtual const irr::core::aabbox3d<irr::f32>& getBoundingBox () const
 288       {
 289         SCM box = scm_call_0 (scm_get_bounding_box);
 290         return *(unwrap_box3d (box));
 291       }
 292
 293       virtual irr::u32 getMaterialCount () const
 294       {
 295         return scm_to_uint32 (scm_call_0 (scm_get_material_count));
 296       }
 297
 298       virtual irr::video::SMaterial& getMaterial (irr::u32 i)
 299       {
 300         SCM material = scm_call_1 (scm_get_material, scm_from_uint32 (i));
 301         return *(unwrap_material (material));
 302       }
 303     };
 304
 305     CustomSceneNode* node =
 306       new CustomSceneNode (unwrap_scene_node (parent),
 307                            scene_manager,
 308                            scm_to_int32 (id),
 309                            scm_to_vector3df (position),
 310                            scm_to_vector3df (rotation),
 311                            scm_to_vector3df (scale),
 312                            proc_render,
 313                            proc_get_bounding_box,
 314                            proc_get_material_count,
 315                            proc_get_material);
 316     return wrap_scene_node (node);
 317   }
 318
 319   SCM
 320   irr_scene_addOctreeSceneNode (SCM wrapped_scene_manager,
 321                                 SCM wrapped_mesh,
 322                                 SCM rest)
 323   {
 324     SCM parent = SCM_BOOL_F;
 325     SCM id = scm_from_int32 (-1);
 326     SCM minimal_polys_per_node = scm_from_int32 (256);
 327     SCM also_add_if_mesh_pointer_zero = SCM_BOOL_F;
 328
 329     scm_c_bind_keyword_arguments ("add-octree-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 330                                   scm_from_utf8_keyword ("parent"), &parent,
 331                                   scm_from_utf8_keyword ("id"), &id,
 332                                   scm_from_utf8_keyword ("minimal-polys-per-node"), &minimal_polys_per_node,
 333                                   scm_from_utf8_keyword ("also-add-if-mesh-pointer-zero"), &also_add_if_mesh_pointer_zero,
 334                                   SCM_UNDEFINED);
 335
 336     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 337     irr::scene::IMeshSceneNode* node;
 338     if (animated_mesh_p (wrapped_mesh))
 339       {
 340         node = smgr->addOctreeSceneNode (unwrap_animated_mesh (wrapped_mesh),
 341                                          scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 342                                          scm_to_int32 (id),
 343                                          scm_to_int32 (minimal_polys_per_node),
 344                                          scm_to_bool (also_add_if_mesh_pointer_zero));
 345       }
 346     else
 347       {
 348         node = smgr->addOctreeSceneNode (unwrap_mesh (wrapped_mesh),
 349                                          scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 350                                          scm_to_int32 (id),
 351                                          scm_to_int32 (minimal_polys_per_node),
 352                                          scm_to_bool (also_add_if_mesh_pointer_zero));
 353       }
 354     return wrap_mesh_scene_node (node);
 355   }
 356
 357   SCM
 358   irr_scene_addSphereSceneNode (SCM wrapped_scene_manager,
 359                                 SCM rest)
 360   {
 361     SCM radius = scm_from_double (5.0);
 362     SCM poly_count = scm_from_int32 (16);
 363     SCM parent = SCM_BOOL_F;
 364     SCM id = scm_from_int32 (-1);
 365     SCM position = scm_list_3 (scm_from_double (0),
 366                                scm_from_double (0),
 367                                scm_from_double (0));
 368     SCM rotation = scm_list_3 (scm_from_double (0),
 369                                scm_from_double (0),
 370                                scm_from_double (0));
 371     SCM scale = scm_list_3 (scm_from_double (1),
 372                             scm_from_double (1),
 373                             scm_from_double (1));
 374
 375     scm_c_bind_keyword_arguments ("add-sphere-scene-node!", rest, (scm_t_keyword_arguments_flags)0,
 376                                   scm_from_utf8_keyword ("radius"), &radius,
 377                                   scm_from_utf8_keyword ("poly-count"), &poly_count,
 378                                   scm_from_utf8_keyword ("parent"), &parent,
 379                                   scm_from_utf8_keyword ("id"), &id,
 380                                   scm_from_utf8_keyword ("position"), &position,
 381                                   scm_from_utf8_keyword ("rotation"), &rotation,
 382                                   scm_from_utf8_keyword ("scale"), &scale,
 383                                   SCM_UNDEFINED);
 384
 385     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 386     irr::scene::IMeshSceneNode* node =
 387       smgr->addSphereSceneNode (scm_to_double (radius),
 388                                 scm_to_int32 (poly_count),
 389                                 scm_is_false (parent) ? 0 : unwrap_scene_node (parent),
 390                                 scm_to_int32 (id),
 391                                 scm_to_vector3df (position),
 392                                 scm_to_vector3df (rotation),
 393                                 scm_to_vector3df (scale));
 394     return wrap_mesh_scene_node (node);
 395   }
 396
 397   SCM
 398   irr_scene_createFlyCircleAnimator (SCM wrapped_scene_manager,
 399                                      SCM rest)
 400   {
 401     SCM center = scm_list_3 (scm_from_double (0),
 402                              scm_from_double (0),
 403                              scm_from_double (0));
 404     SCM radius = scm_from_double (100);
 405     SCM speed = scm_from_double (0.001);
 406     SCM direction = scm_list_3 (scm_from_double (0),
 407                                 scm_from_double (1),
 408                                 scm_from_double (0));
 409     SCM start_position = scm_from_double (0);
 410     SCM radius_ellipsoid = scm_from_double (0);
 411
 412     scm_c_bind_keyword_arguments ("create-fly-circle-animator", rest, (scm_t_keyword_arguments_flags)0,
 413                                   scm_from_utf8_keyword ("center"), &center,
 414                                   scm_from_utf8_keyword ("radius"), &radius,
 415                                   scm_from_utf8_keyword ("speed"), &speed,
 416                                   scm_from_utf8_keyword ("direction"), &direction,
 417                                   scm_from_utf8_keyword ("start-position"), &start_position,
 418                                   scm_from_utf8_keyword ("radius-ellipsoid"), &radius_ellipsoid,
 419                                   SCM_UNDEFINED);
 420
 421     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 422     irr::scene::ISceneNodeAnimator* anim =
 423       smgr->createFlyCircleAnimator (scm_to_vector3df (center),
 424                                      scm_to_double (radius),
 425                                      scm_to_double (speed),
 426                                      scm_to_vector3df (direction),
 427                                      scm_to_double (start_position),
 428                                      scm_to_double (radius_ellipsoid));
 429     return wrap_scene_node_animator (anim);
 430   }
 431
 432   SCM
 433   irr_scene_createFlyStraightAnimator (SCM wrapped_scene_manager,
 434                                        SCM start_point,
 435                                        SCM end_point,
 436                                        SCM time_for_way,
 437                                        SCM rest)
 438   {
 439     SCM loop = SCM_BOOL_F;
 440     SCM pingpong = SCM_BOOL_F;
 441
 442     scm_c_bind_keyword_arguments ("create-fly-straight-animator", rest, (scm_t_keyword_arguments_flags)0,
 443                                   scm_from_utf8_keyword ("loop"), &loop,
 444                                   scm_from_utf8_keyword ("pingpong"), &pingpong,
 445                                   SCM_UNDEFINED);
 446
 447     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 448     irr::scene::ISceneNodeAnimator* anim =
 449       smgr->createFlyStraightAnimator (scm_to_vector3df (start_point),
 450                                        scm_to_vector3df (end_point),
 451                                        scm_to_uint32 (time_for_way),
 452                                        scm_to_bool (loop),
 453                                        scm_to_bool (pingpong));
 454     return wrap_scene_node_animator (anim);
 455   }
 456
 457   SCM
 458   irr_scene_createRotationAnimator (SCM wrapped_scene_manager,
 459                                     SCM rotation_speed)
 460   {
 461     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 462     irr::scene::ISceneNodeAnimator* anim =
 463       smgr->createRotationAnimator (scm_to_vector3df (rotation_speed));
 464     return wrap_scene_node_animator (anim);
 465   }
 466
 467   SCM
 468   irr_scene_getMesh (SCM wrapped_scene_manager,
 469                      SCM filename)
 470   {
 471     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 472     irr::scene::IAnimatedMesh* mesh = smgr->getMesh(scm_to_utf8_stringn (filename, NULL));
 473     return wrap_animated_mesh (mesh);
 474   }
 475
 476   SCM
 477   irr_scene_getRootSceneNode (SCM wrapped_scene_manager)
 478   {
 479     irr::scene::ISceneManager* smgr = unwrap_scene_manager (wrapped_scene_manager);
 480     return wrap_scene_node (smgr->getRootSceneNode ());
 481   }
 482
 483   SCM
 484   irr_getSceneManager (SCM wrapped_obj)
 485   {
 486     irr::scene::ISceneManager* scene_manager;
 487     if (device_p (wrapped_obj))
 488       {
 489         scene_manager = unwrap_device (wrapped_obj)->getSceneManager ();
 490       }
 491     else
 492       {
 493         scm_error (scm_arg_type_key, NULL, "Cannot get scene manager from object: ~S",
 494                    scm_list_1 (wrapped_obj), scm_list_1 (wrapped_obj));
 495       }
 496     return wrap_scene_manager (scene_manager);
 497   }
 498
 499 }