src/ISceneManager.cpp

   1 /* c-irrlicht --- C bindings for Irrlicht Engine
   2
   3    Copyright (C) 2019 Javier Sancho <jsf@jsancho.org>
   4
   5    This file is part of c-irrlicht.
   6
   7    c-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    c-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 "ISceneManager.h"
  24
  25 class CustomSceneNode : public irr::scene::ISceneNode
  26 {
  27   void (*Render)();
  28   irr_core_aabbox3d_f32* (*GetBoundingBox)();
  29   uint32_t (*GetMaterialCount)();
  30   irr_video_SMaterial* (*GetMaterial)(unsigned int i);
  31
  32 public:
  33   CustomSceneNode(irr::scene::ISceneNode* parent,
  34                   irr::scene::ISceneManager* smgr,
  35                   irr::s32 id,
  36                   const irr::core::vector3df& position,
  37                   const irr::core::vector3df& rotation,
  38                   const irr::core::vector3df& scale,
  39                   void (*render)(),
  40                   irr_core_aabbox3d_f32* (*getBoundingBox)(),
  41                   uint32_t (*getMaterialCount)(),
  42                   irr_video_SMaterial* (*getMaterial)(unsigned int i))
  43   : irr::scene::ISceneNode(parent, smgr, id, position, rotation, scale)
  44   {
  45     Render = render;
  46     GetBoundingBox = getBoundingBox;
  47     GetMaterialCount = getMaterialCount;
  48     GetMaterial = getMaterial;
  49   }
  50
  51   virtual void OnRegisterSceneNode()
  52   {
  53     if (IsVisible) {
  54       SceneManager->registerNodeForRendering(this);
  55     }
  56
  57     ISceneNode::OnRegisterSceneNode();
  58   }
  59
  60   virtual void render()
  61   {
  62     Render();
  63   }
  64
  65   virtual const irr::core::aabbox3d<irr::f32>& getBoundingBox() const
  66   {
  67     irr_core_aabbox3d_f32* box = GetBoundingBox();
  68     irr::core::aabbox3d<irr::f32>* irrBox = new irr::core::aabbox3d<irr::f32>();
  69     return *irrBox;
  70   }
  71
  72   virtual irr::u32 getMaterialCount() const
  73   {
  74     return GetMaterialCount();
  75   }
  76
  77   virtual irr::video::SMaterial& getMaterial(irr::u32 i)
  78   {
  79     irr_video_SMaterial* material = GetMaterial(i);
  80     irr::video::SMaterial* irrMaterial = new irr::video::SMaterial();
  81     irrMaterial->Wireframe = material->wireframe;
  82     irrMaterial->Lighting = material->lighting;
  83     return *irrMaterial;
  84   }
  85 };
  86
  87 extern "C" {
  88   irr_scene_IAnimatedMeshSceneNode*
  89   irr_scene_addAnimatedMeshSceneNode(irr_scene_ISceneManager* smgr,
  90                                      irr_scene_IAnimatedMesh* mesh,
  91                                      irr_scene_ISceneNode* parent,
  92                                      int32_t id,
  93                                      irr_core_vector3df* position,
  94                                      irr_core_vector3df* rotation,
  95                                      irr_core_vector3df* scale,
  96                                      bool alsoAddIfMeshPointerZero)
  97   {
  98     const irr::core::vector3df iPosition =
  99       position ?
 100       irr::core::vector3df(position->x, position->y, position->z) :
 101       irr::core::vector3df(0, 0, 0);
 102
 103     const irr::core::vector3df iRotation =
 104       rotation ?
 105       irr::core::vector3df(rotation->x, rotation->y, rotation->z) :
 106       irr::core::vector3df(0, 0, 0);
 107
 108     const irr::core::vector3df& iScale =
 109       scale ?
 110       irr::core::vector3df(scale->x, scale->y, scale->z) :
 111       irr::core::vector3df(1, 1, 1);
 112
 113     return (irr_scene_IAnimatedMeshSceneNode*)
 114       ((irr::scene::ISceneManager*)smgr)
 115       ->addAnimatedMeshSceneNode((irr::scene::IAnimatedMesh*)mesh,
 116                                  (irr::scene::ISceneNode*)parent,
 117                                  id,
 118                                  iPosition,
 119                                  iRotation,
 120                                  iScale,
 121                                  alsoAddIfMeshPointerZero);
 122   }
 123
 124   irr_scene_ICameraSceneNode*
 125   irr_scene_addCameraSceneNode(irr_scene_ISceneManager* smgr,
 126                                irr_scene_ISceneNode* parent,
 127                                irr_core_vector3df* position,
 128                                irr_core_vector3df* lookat,
 129                                int32_t id,
 130                                bool makeActive)
 131   {
 132     const irr::core::vector3df& iPosition =
 133       position ?
 134       irr::core::vector3df(position->x, position->y, position->z) :
 135       irr::core::vector3df(0, 0, 0);
 136
 137     const irr::core::vector3df& iLookat =
 138       lookat ?
 139       irr::core::vector3df(lookat->x, lookat->y, lookat->z) :
 140       irr::core::vector3df(0, 0, 100);
 141
 142     return (irr_scene_ICameraSceneNode*)
 143       ((irr::scene::ISceneManager*)smgr)
 144       ->addCameraSceneNode((irr::scene::ISceneNode*)parent,
 145                            iPosition,
 146                            iLookat,
 147                            id,
 148                            makeActive);
 149   }
 150
 151   irr_scene_ICameraSceneNode*
 152   irr_scene_addCameraSceneNodeFPS(irr_scene_ISceneManager* smgr,
 153                                   irr_scene_ISceneNode* parent,
 154                                   float_t rotateSpeed,
 155                                   float_t moveSpeed,
 156                                   int32_t id,
 157                                   irr_SkeyMap* keyMapArray,
 158                                   int32_t keyMapSize,
 159                                   bool noVerticalMovement,
 160                                   float_t jumpSpeed,
 161                                   bool invertMouse,
 162                                   bool makeActive)
 163   {
 164     return ((irr::scene::ISceneManager*)smgr)
 165       ->addCameraSceneNodeFPS((irr::scene::ISceneNode*)parent,
 166                               rotateSpeed,
 167                               moveSpeed,
 168                               id,
 169                               (irr::SKeyMap*)keyMapArray,
 170                               keyMapSize,
 171                               noVerticalMovement,
 172                               jumpSpeed,
 173                               invertMouse,
 174                               makeActive);
 175   }
 176
 177   irr_scene_ISceneNode*
 178   irr_scene_addCustomSceneNode(irr_scene_ISceneManager* smgr,
 179                                irr_scene_ISceneNode* parent,
 180                                int32_t id,
 181                                irr_core_vector3df* position,
 182                                irr_core_vector3df* rotation,
 183                                irr_core_vector3df* scale,
 184                                void (*render)(),
 185                                irr_core_aabbox3d_f32* (*getBoundingBox)(),
 186                                uint32_t (*getMaterialCount)(),
 187                                irr_video_SMaterial* (*getMaterial)(unsigned int i))
 188   {
 189     if (parent == NULL)
 190       {
 191         parent = irr_scene_getRootSceneNode(smgr);
 192       }
 193
 194     const irr::core::vector3df iPosition =
 195       position ?
 196       irr::core::vector3df(position->x, position->y, position->z) :
 197       irr::core::vector3df(0, 0, 0);
 198
 199     const irr::core::vector3df iRotation =
 200       rotation ?
 201       irr::core::vector3df(rotation->x, rotation->y, rotation->z) :
 202       irr::core::vector3df(0, 0, 0);
 203
 204     const irr::core::vector3df& iScale =
 205       scale ?
 206       irr::core::vector3df(scale->x, scale->y, scale->z) :
 207       irr::core::vector3df(1, 1, 1);
 208
 209     CustomSceneNode *node =
 210       new CustomSceneNode((irr::scene::ISceneNode*)parent,
 211                           (irr::scene::ISceneManager*)smgr,
 212                           id,
 213                           iPosition,
 214                           iRotation,
 215                           iScale,
 216                           render,
 217                           getBoundingBox,
 218                           getMaterialCount,
 219                           getMaterial);
 220     return node;
 221   }
 222
 223   irr_scene_IMeshSceneNode*
 224   irr_scene_addOctreeSceneNode(irr_scene_ISceneManager* smgr,
 225                                irr_scene_IAnimatedMesh* mesh,
 226                                irr_scene_ISceneNode* parent,
 227                                int32_t id,
 228                                int32_t minimalPolysPerNode,
 229                                bool alsoAddIfMeshPointerZero)
 230   {
 231     return ((irr::scene::ISceneManager*)smgr)
 232       ->addOctreeSceneNode((irr::scene::IAnimatedMesh*)mesh,
 233                            (irr::scene::ISceneNode*)parent,
 234                            id,
 235                            minimalPolysPerNode,
 236                            alsoAddIfMeshPointerZero);
 237   }
 238
 239   void
 240   irr_scene_drawAll(irr_scene_ISceneManager* smgr)
 241   {
 242     ((irr::scene::ISceneManager*)smgr)->drawAll();
 243   }
 244
 245
 246   irr_scene_IAnimatedMesh*
 247   irr_scene_getMesh(irr_scene_ISceneManager* smgr,
 248                     const char* filename)
 249   {
 250     return (irr_scene_IAnimatedMesh*)
 251       ((irr::scene::ISceneManager*)smgr)->getMesh(filename);
 252   }
 253
 254   irr_scene_ISceneNode*
 255   irr_scene_getRootSceneNode(irr_scene_ISceneManager* smgr)
 256   {
 257     return (irr_scene_ISceneNode*)
 258       ((irr::scene::ISceneManager*)smgr)->getRootSceneNode();
 259   }
 260 }