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