src/content_cao.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include <ICameraSceneNode.h>
  21 #include <ITextSceneNode.h>
  22 #include <IBillboardSceneNode.h>
  23 #include <IMeshManipulator.h>
  24 #include <IAnimatedMeshSceneNode.h>
  25 #include "content_cao.h"
  26 #include "util/numeric.h" // For IntervalLimiter
  27 #include "util/serialize.h"
  28 #include "util/basic_macros.h"
  29 #include "client/tile.h"
  30 #include "environment.h"
  31 #include "collision.h"
  32 #include "settings.h"
  33 #include "serialization.h" // For decompressZlib
  34 #include "clientobject.h"
  35 #include "mesh.h"
  36 #include "itemdef.h"
  37 #include "tool.h"
  38 #include "content_cso.h"
  39 #include "sound.h"
  40 #include "nodedef.h"
  41 #include "localplayer.h"
  42 #include "map.h"
  43 #include "camera.h" // CameraModes
  44 #include "client.h"
  45 #include "wieldmesh.h"
  46 #include <algorithm>
  47 #include "client/renderingengine.h"
  48
  49 class Settings;
  50 struct ToolCapabilities;
  51
  52 std::unordered_map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  53
  54 void SmoothTranslator::init(v3f vect)
  55 {
  56         vect_old = vect;
  57         vect_show = vect;
  58         vect_aim = vect;
  59         anim_counter = 0;
  60         anim_time = 0;
  61         anim_time_counter = 0;
  62         aim_is_end = true;
  63 }
  64
  65 void SmoothTranslator::update(v3f vect_new, bool is_end_position, float update_interval)
  66 {
  67         aim_is_end = is_end_position;
  68         vect_old = vect_show;
  69         vect_aim = vect_new;
  70         if(update_interval > 0)
  71         {
  72                 anim_time = update_interval;
  73         } else {
  74                 if(anim_time < 0.001 || anim_time > 1.0)
  75                         anim_time = anim_time_counter;
  76                 else
  77                         anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
  78         }
  79         anim_time_counter = 0;
  80         anim_counter = 0;
  81 }
  82
  83 void SmoothTranslator::translate(f32 dtime)
  84 {
  85         anim_time_counter = anim_time_counter + dtime;
  86         anim_counter = anim_counter + dtime;
  87         v3f vect_move = vect_aim - vect_old;
  88         f32 moveratio = 1.0;
  89         if(anim_time > 0.001)
  90                 moveratio = anim_time_counter / anim_time;
  91         // Move a bit less than should, to avoid oscillation
  92         moveratio = moveratio * 0.8;
  93         float move_end = 1.5;
  94         if(aim_is_end)
  95                 move_end = 1.0;
  96         if(moveratio > move_end)
  97                 moveratio = move_end;
  98         vect_show = vect_old + vect_move * moveratio;
  99 }
 100
 101 /*
 102         Other stuff
 103 */
 104
 105 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 106                 float txs, float tys, int col, int row)
 107 {
 108         video::SMaterial& material = bill->getMaterial(0);
 109         core::matrix4& matrix = material.getTextureMatrix(0);
 110         matrix.setTextureTranslate(txs*col, tys*row);
 111         matrix.setTextureScale(txs, tys);
 112 }
 113
 114 /*
 115         TestCAO
 116 */
 117
 118 class TestCAO : public ClientActiveObject
 119 {
 120 public:
 121         TestCAO(Client *client, ClientEnvironment *env);
 122         virtual ~TestCAO() = default;
 123
 124         ActiveObjectType getType() const
 125         {
 126                 return ACTIVEOBJECT_TYPE_TEST;
 127         }
 128
 129         static ClientActiveObject* create(Client *client, ClientEnvironment *env);
 130
 131         void addToScene(ITextureSource *tsrc);
 132         void removeFromScene(bool permanent);
 133         void updateLight(u8 light_at_pos);
 134         v3s16 getLightPosition();
 135         void updateNodePos();
 136
 137         void step(float dtime, ClientEnvironment *env);
 138
 139         void processMessage(const std::string &data);
 140
 141         bool getCollisionBox(aabb3f *toset) const { return false; }
 142 private:
 143         scene::IMeshSceneNode *m_node;
 144         v3f m_position;
 145 };
 146
 147 // Prototype
 148 TestCAO proto_TestCAO(NULL, NULL);
 149
 150 TestCAO::TestCAO(Client *client, ClientEnvironment *env):
 151         ClientActiveObject(0, client, env),
 152         m_node(NULL),
 153         m_position(v3f(0,10*BS,0))
 154 {
 155         ClientActiveObject::registerType(getType(), create);
 156 }
 157
 158 ClientActiveObject* TestCAO::create(Client *client, ClientEnvironment *env)
 159 {
 160         return new TestCAO(client, env);
 161 }
 162
 163 void TestCAO::addToScene(ITextureSource *tsrc)
 164 {
 165         if(m_node != NULL)
 166                 return;
 167
 168         //video::IVideoDriver* driver = smgr->getVideoDriver();
 169
 170         scene::SMesh *mesh = new scene::SMesh();
 171         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 172         video::SColor c(255,255,255,255);
 173         video::S3DVertex vertices[4] =
 174         {
 175                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 176                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 177                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 178                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 179         };
 180         u16 indices[] = {0,1,2,2,3,0};
 181         buf->append(vertices, 4, indices, 6);
 182         // Set material
 183         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 184         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 185         buf->getMaterial().setTexture(0, tsrc->getTextureForMesh("rat.png"));
 186         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 187         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 188         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 189         // Add to mesh
 190         mesh->addMeshBuffer(buf);
 191         buf->drop();
 192         m_node = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 193         mesh->drop();
 194         updateNodePos();
 195 }
 196
 197 void TestCAO::removeFromScene(bool permanent)
 198 {
 199         if (!m_node)
 200                 return;
 201
 202         m_node->remove();
 203         m_node = NULL;
 204 }
 205
 206 void TestCAO::updateLight(u8 light_at_pos)
 207 {
 208 }
 209
 210 v3s16 TestCAO::getLightPosition()
 211 {
 212         return floatToInt(m_position, BS);
 213 }
 214
 215 void TestCAO::updateNodePos()
 216 {
 217         if (!m_node)
 218                 return;
 219
 220         m_node->setPosition(m_position);
 221         //m_node->setRotation(v3f(0, 45, 0));
 222 }
 223
 224 void TestCAO::step(float dtime, ClientEnvironment *env)
 225 {
 226         if(m_node)
 227         {
 228                 v3f rot = m_node->getRotation();
 229                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 230                 rot.Y += dtime * 180;
 231                 m_node->setRotation(rot);
 232         }
 233 }
 234
 235 void TestCAO::processMessage(const std::string &data)
 236 {
 237         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 238         std::istringstream is(data, std::ios::binary);
 239         u16 cmd;
 240         is>>cmd;
 241         if(cmd == 0)
 242         {
 243                 v3f newpos;
 244                 is>>newpos.X;
 245                 is>>newpos.Y;
 246                 is>>newpos.Z;
 247                 m_position = newpos;
 248                 updateNodePos();
 249         }
 250 }
 251
 252 /*
 253         GenericCAO
 254 */
 255
 256 #include "genericobject.h"
 257
 258 GenericCAO::GenericCAO(Client *client, ClientEnvironment *env):
 259                 ClientActiveObject(0, client, env)
 260 {
 261         if (client == NULL) {
 262                 ClientActiveObject::registerType(getType(), create);
 263         } else {
 264                 m_client = client;
 265         }
 266 }
 267
 268 bool GenericCAO::getCollisionBox(aabb3f *toset) const
 269 {
 270         if (m_prop.physical)
 271         {
 272                 //update collision box
 273                 toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
 274                 toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
 275
 276                 toset->MinEdge += m_position;
 277                 toset->MaxEdge += m_position;
 278
 279                 return true;
 280         }
 281
 282         return false;
 283 }
 284
 285 bool GenericCAO::collideWithObjects() const
 286 {
 287         return m_prop.collideWithObjects;
 288 }
 289
 290 void GenericCAO::initialize(const std::string &data)
 291 {
 292         infostream<<"GenericCAO: Got init data"<<std::endl;
 293         processInitData(data);
 294
 295         if (m_is_player) {
 296                 // Check if it's the current player
 297                 LocalPlayer *player = m_env->getLocalPlayer();
 298                 if (player && strcmp(player->getName(), m_name.c_str()) == 0) {
 299                         m_is_local_player = true;
 300                         m_is_visible = false;
 301                         player->setCAO(this);
 302                 }
 303         }
 304 }
 305
 306 void GenericCAO::processInitData(const std::string &data)
 307 {
 308         std::istringstream is(data, std::ios::binary);
 309         int num_messages = 0;
 310         // version
 311         u8 version = readU8(is);
 312         // check version
 313         if (version == 1) { // In PROTOCOL_VERSION 14
 314                 m_name = deSerializeString(is);
 315                 m_is_player = readU8(is);
 316                 m_id = readU16(is);
 317                 m_position = readV3F1000(is);
 318                 m_yaw = readF1000(is);
 319                 m_hp = readS16(is);
 320                 num_messages = readU8(is);
 321         } else {
 322                 errorstream<<"GenericCAO: Unsupported init data version"
 323                                 <<std::endl;
 324                 return;
 325         }
 326
 327         for (int i = 0; i < num_messages; i++) {
 328                 std::string message = deSerializeLongString(is);
 329                 processMessage(message);
 330         }
 331
 332         pos_translator.init(m_position);
 333         updateNodePos();
 334 }
 335
 336 GenericCAO::~GenericCAO()
 337 {
 338         removeFromScene(true);
 339 }
 340
 341 bool GenericCAO::getSelectionBox(aabb3f *toset) const
 342 {
 343         if (!m_prop.is_visible || !m_is_visible || m_is_local_player
 344                         || !m_prop.pointable || getParent() != NULL) {
 345                 return false;
 346         }
 347         *toset = m_selection_box;
 348         return true;
 349 }
 350
 351 v3f GenericCAO::getPosition()
 352 {
 353         if (getParent() != NULL) {
 354                 scene::ISceneNode *node = getSceneNode();
 355                 if (node)
 356                         return node->getAbsolutePosition();
 357
 358                 return m_position;
 359         }
 360         return pos_translator.vect_show;
 361 }
 362
 363 scene::ISceneNode* GenericCAO::getSceneNode()
 364 {
 365         if (m_meshnode) {
 366                 return m_meshnode;
 367         }
 368
 369         if (m_animated_meshnode) {
 370                 return m_animated_meshnode;
 371         }
 372
 373         if (m_wield_meshnode) {
 374                 return m_wield_meshnode;
 375         }
 376
 377         if (m_spritenode) {
 378                 return m_spritenode;
 379         }
 380         return NULL;
 381 }
 382
 383 scene::IAnimatedMeshSceneNode* GenericCAO::getAnimatedMeshSceneNode()
 384 {
 385         return m_animated_meshnode;
 386 }
 387
 388 void GenericCAO::setChildrenVisible(bool toset)
 389 {
 390         for (u16 cao_id : m_children) {
 391                 GenericCAO *obj = m_env->getGenericCAO(cao_id);
 392                 if (obj) {
 393                         obj->setVisible(toset);
 394                 }
 395         }
 396 }
 397
 398 void GenericCAO::setAttachments()
 399 {
 400         updateAttachments();
 401 }
 402
 403 ClientActiveObject* GenericCAO::getParent() const
 404 {
 405         ClientActiveObject *obj = NULL;
 406
 407         u16 attached_id = m_env->attachement_parent_ids[getId()];
 408
 409         if ((attached_id != 0) &&
 410                         (attached_id != getId())) {
 411                 obj = m_env->getActiveObject(attached_id);
 412         }
 413         return obj;
 414 }
 415
 416 void GenericCAO::removeFromScene(bool permanent)
 417 {
 418         // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
 419         if((m_env != NULL) && (permanent))
 420         {
 421                 for (u16 ci : m_children) {
 422                         if (m_env->attachement_parent_ids[ci] == getId()) {
 423                                 m_env->attachement_parent_ids[ci] = 0;
 424                         }
 425                 }
 426
 427                 m_env->attachement_parent_ids[getId()] = 0;
 428
 429                 LocalPlayer* player = m_env->getLocalPlayer();
 430                 if (this == player->parent) {
 431                         player->parent = NULL;
 432                         player->isAttached = false;
 433                 }
 434         }
 435
 436         if (m_meshnode) {
 437                 m_meshnode->remove();
 438                 m_meshnode->drop();
 439                 m_meshnode = NULL;
 440         } else if (m_animated_meshnode) {
 441                 m_animated_meshnode->remove();
 442                 m_animated_meshnode->drop();
 443                 m_animated_meshnode = NULL;
 444         } else if (m_wield_meshnode) {
 445                 m_wield_meshnode->remove();
 446                 m_wield_meshnode->drop();
 447                 m_wield_meshnode = NULL;
 448         } else if (m_spritenode) {
 449                 m_spritenode->remove();
 450                 m_spritenode->drop();
 451                 m_spritenode = NULL;
 452         }
 453
 454         if (m_nametag) {
 455                 m_client->getCamera()->removeNametag(m_nametag);
 456                 m_nametag = NULL;
 457         }
 458 }
 459
 460 void GenericCAO::addToScene(ITextureSource *tsrc)
 461 {
 462         m_smgr = RenderingEngine::get_scene_manager();
 463
 464         if (getSceneNode() != NULL) {
 465                 return;
 466         }
 467
 468         m_visuals_expired = false;
 469
 470         if (!m_prop.is_visible) {
 471                 return;
 472         }
 473
 474         if (m_prop.visual == "sprite") {
 475                 infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
 476                 m_spritenode = RenderingEngine::get_scene_manager()->addBillboardSceneNode(
 477                                 NULL, v2f(1, 1), v3f(0,0,0), -1);
 478                 m_spritenode->grab();
 479                 m_spritenode->setMaterialTexture(0,
 480                                 tsrc->getTextureForMesh("unknown_node.png"));
 481                 m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
 482                 m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 483                 m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 484                 m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 485                 u8 li = m_last_light;
 486                 m_spritenode->setColor(video::SColor(255,li,li,li));
 487                 m_spritenode->setSize(m_prop.visual_size*BS);
 488                 {
 489                         const float txs = 1.0 / 1;
 490                         const float tys = 1.0 / 1;
 491                         setBillboardTextureMatrix(m_spritenode,
 492                                         txs, tys, 0, 0);
 493                 }
 494         } else if (m_prop.visual == "upright_sprite") {
 495                 scene::SMesh *mesh = new scene::SMesh();
 496                 double dx = BS * m_prop.visual_size.X / 2;
 497                 double dy = BS * m_prop.visual_size.Y / 2;
 498                 u8 li = m_last_light;
 499                 video::SColor c(255, li, li, li);
 500
 501                 { // Front
 502                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 503                         video::S3DVertex vertices[4] = {
 504                                 video::S3DVertex(-dx, -dy, 0, 0,0,0, c, 1,1),
 505                                 video::S3DVertex( dx, -dy, 0, 0,0,0, c, 0,1),
 506                                 video::S3DVertex( dx,  dy, 0, 0,0,0, c, 0,0),
 507                                 video::S3DVertex(-dx,  dy, 0, 0,0,0, c, 1,0),
 508                         };
 509                         u16 indices[] = {0,1,2,2,3,0};
 510                         buf->append(vertices, 4, indices, 6);
 511                         // Set material
 512                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 513                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 514                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 515                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 516                         // Add to mesh
 517                         mesh->addMeshBuffer(buf);
 518                         buf->drop();
 519                 }
 520                 { // Back
 521                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 522                         video::S3DVertex vertices[4] = {
 523                                 video::S3DVertex( dx,-dy, 0, 0,0,0, c, 1,1),
 524                                 video::S3DVertex(-dx,-dy, 0, 0,0,0, c, 0,1),
 525                                 video::S3DVertex(-dx, dy, 0, 0,0,0, c, 0,0),
 526                                 video::S3DVertex( dx, dy, 0, 0,0,0, c, 1,0),
 527                         };
 528                         u16 indices[] = {0,1,2,2,3,0};
 529                         buf->append(vertices, 4, indices, 6);
 530                         // Set material
 531                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 532                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 533                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 534                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 535                         // Add to mesh
 536                         mesh->addMeshBuffer(buf);
 537                         buf->drop();
 538                 }
 539                 m_meshnode = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 540                 m_meshnode->grab();
 541                 mesh->drop();
 542                 // Set it to use the materials of the meshbuffers directly.
 543                 // This is needed for changing the texture in the future
 544                 m_meshnode->setReadOnlyMaterials(true);
 545         }
 546         else if(m_prop.visual == "cube") {
 547                 infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
 548                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 549                 m_meshnode = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 550                 m_meshnode->grab();
 551                 mesh->drop();
 552
 553                 m_meshnode->setScale(v3f(m_prop.visual_size.X,
 554                                 m_prop.visual_size.Y,
 555                                 m_prop.visual_size.X));
 556                 u8 li = m_last_light;
 557                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
 558
 559                 m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
 560                 m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 561                 m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 562                 m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 563         }
 564         else if(m_prop.visual == "mesh") {
 565                 infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
 566                 scene::IAnimatedMesh *mesh = m_client->getMesh(m_prop.mesh, true);
 567                 if(mesh)
 568                 {
 569                         m_animated_meshnode = RenderingEngine::get_scene_manager()->
 570                                 addAnimatedMeshSceneNode(mesh, NULL);
 571                         m_animated_meshnode->grab();
 572                         mesh->drop(); // The scene node took hold of it
 573                         m_animated_meshnode->animateJoints(); // Needed for some animations
 574                         m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
 575                                         m_prop.visual_size.Y,
 576                                         m_prop.visual_size.X));
 577                         u8 li = m_last_light;
 578
 579                         // set vertex colors to ensure alpha is set
 580                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
 581
 582                         setAnimatedMeshColor(m_animated_meshnode, video::SColor(255,li,li,li));
 583
 584                         bool backface_culling = m_prop.backface_culling;
 585                         if (m_is_player)
 586                                 backface_culling = false;
 587
 588                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, true);
 589                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 590                         m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
 591                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 592                         m_animated_meshnode->setMaterialFlag(video::EMF_BACK_FACE_CULLING, backface_culling);
 593                 }
 594                 else
 595                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 596         } else if (m_prop.visual == "wielditem") {
 597                 ItemStack item;
 598                 infostream << "GenericCAO::addToScene(): wielditem" << std::endl;
 599                 if (m_prop.wield_item.empty()) {
 600                         // Old format, only textures are specified.
 601                         infostream << "textures: " << m_prop.textures.size() << std::endl;
 602                         if (!m_prop.textures.empty()) {
 603                                 infostream << "textures[0]: " << m_prop.textures[0]
 604                                         << std::endl;
 605                                 IItemDefManager *idef = m_client->idef();
 606                                 item = ItemStack(m_prop.textures[0], 1, 0, idef);
 607                         }
 608                 } else {
 609                         infostream << "serialized form: " << m_prop.wield_item << std::endl;
 610                         item.deSerialize(m_prop.wield_item, m_client->idef());
 611                 }
 612                 m_wield_meshnode = new WieldMeshSceneNode(
 613                         RenderingEngine::get_scene_manager(), -1);
 614                 m_wield_meshnode->setItem(item, m_client);
 615
 616                 m_wield_meshnode->setScale(
 617                         v3f(m_prop.visual_size.X / 2, m_prop.visual_size.Y / 2,
 618                                 m_prop.visual_size.X / 2));
 619                 u8 li = m_last_light;
 620                 m_wield_meshnode->setColor(video::SColor(255, li, li, li));
 621         } else {
 622                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 623                                 <<"\" not supported"<<std::endl;
 624         }
 625
 626         /* don't update while punch texture modifier is active */
 627         if (m_reset_textures_timer < 0)
 628                 updateTextures(m_current_texture_modifier);
 629
 630         scene::ISceneNode *node = getSceneNode();
 631         if (node && !m_prop.nametag.empty() && !m_is_local_player) {
 632                 // Add nametag
 633                 v3f pos;
 634                 pos.Y = m_prop.collisionbox.MaxEdge.Y + 0.3f;
 635                 m_nametag = m_client->getCamera()->addNametag(node,
 636                         m_prop.nametag, m_prop.nametag_color,
 637                         pos);
 638         }
 639
 640         updateNodePos();
 641         updateAnimation();
 642         updateBonePosition();
 643         updateAttachments();
 644 }
 645
 646 void GenericCAO::updateLight(u8 light_at_pos)
 647 {
 648         // Don't update light of attached one
 649         if (getParent() != NULL) {
 650                 return;
 651         }
 652
 653         updateLightNoCheck(light_at_pos);
 654
 655         // Update light of all children
 656         for (u16 i : m_children) {
 657                 ClientActiveObject *obj = m_env->getActiveObject(i);
 658                 if (obj) {
 659                         obj->updateLightNoCheck(light_at_pos);
 660                 }
 661         }
 662 }
 663
 664 void GenericCAO::updateLightNoCheck(u8 light_at_pos)
 665 {
 666         if (m_glow < 0)
 667                 return;
 668
 669         u8 li = decode_light(light_at_pos + m_glow);
 670         if (li != m_last_light) {
 671                 m_last_light = li;
 672                 video::SColor color(255,li,li,li);
 673                 if (m_meshnode) {
 674                         setMeshColor(m_meshnode->getMesh(), color);
 675                 } else if (m_animated_meshnode) {
 676                         setAnimatedMeshColor(m_animated_meshnode, color);
 677                 } else if (m_wield_meshnode) {
 678                         m_wield_meshnode->setColor(color);
 679                 } else if (m_spritenode) {
 680                         m_spritenode->setColor(color);
 681                 }
 682         }
 683 }
 684
 685 v3s16 GenericCAO::getLightPosition()
 686 {
 687         if (m_is_player)
 688                 return floatToInt(m_position + v3f(0, 0.5 * BS, 0), BS);
 689
 690         return floatToInt(m_position, BS);
 691 }
 692
 693 void GenericCAO::updateNodePos()
 694 {
 695         if (getParent() != NULL)
 696                 return;
 697
 698         scene::ISceneNode *node = getSceneNode();
 699
 700         if (node) {
 701                 v3s16 camera_offset = m_env->getCameraOffset();
 702                 node->setPosition(pos_translator.vect_show - intToFloat(camera_offset, BS));
 703                 if (node != m_spritenode) { // rotate if not a sprite
 704                         v3f rot = node->getRotation();
 705                         rot.Y = -m_yaw;
 706                         node->setRotation(rot);
 707                 }
 708         }
 709 }
 710
 711 void GenericCAO::step(float dtime, ClientEnvironment *env)
 712 {
 713         // Handel model of local player instantly to prevent lags
 714         if (m_is_local_player) {
 715                 LocalPlayer *player = m_env->getLocalPlayer();
 716                 if (m_is_visible) {
 717                         int old_anim = player->last_animation;
 718                         float old_anim_speed = player->last_animation_speed;
 719                         m_position = player->getPosition();
 720                         m_velocity = v3f(0,0,0);
 721                         m_acceleration = v3f(0,0,0);
 722                         pos_translator.vect_show = m_position;
 723                         m_yaw = player->getYaw();
 724                         const PlayerControl &controls = player->getPlayerControl();
 725
 726                         bool walking = false;
 727                         if (controls.up || controls.down || controls.left || controls.right ||
 728                                         controls.forw_move_joystick_axis != 0.f ||
 729                                         controls.sidew_move_joystick_axis != 0.f)
 730                                 walking = true;
 731
 732                         f32 new_speed = player->local_animation_speed;
 733                         v2s32 new_anim = v2s32(0,0);
 734                         bool allow_update = false;
 735
 736                         // increase speed if using fast or flying fast
 737                         if((g_settings->getBool("fast_move") &&
 738                                         m_client->checkLocalPrivilege("fast")) &&
 739                                         (controls.aux1 ||
 740                                         (!player->touching_ground &&
 741                                         g_settings->getBool("free_move") &&
 742                                         m_client->checkLocalPrivilege("fly"))))
 743                                         new_speed *= 1.5;
 744                         // slowdown speed if sneeking
 745                         if (controls.sneak && walking)
 746                                 new_speed /= 2;
 747
 748                         if (walking && (controls.LMB || controls.RMB)) {
 749                                 new_anim = player->local_animations[3];
 750                                 player->last_animation = WD_ANIM;
 751                         } else if(walking) {
 752                                 new_anim = player->local_animations[1];
 753                                 player->last_animation = WALK_ANIM;
 754                         } else if(controls.LMB || controls.RMB) {
 755                                 new_anim = player->local_animations[2];
 756                                 player->last_animation = DIG_ANIM;
 757                         }
 758
 759                         // Apply animations if input detected and not attached
 760                         // or set idle animation
 761                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached) {
 762                                 allow_update = true;
 763                                 m_animation_range = new_anim;
 764                                 m_animation_speed = new_speed;
 765                                 player->last_animation_speed = m_animation_speed;
 766                         } else {
 767                                 player->last_animation = NO_ANIM;
 768
 769                                 if (old_anim != NO_ANIM) {
 770                                         m_animation_range = player->local_animations[0];
 771                                         updateAnimation();
 772                                 }
 773                         }
 774
 775                         // Update local player animations
 776                         if ((player->last_animation != old_anim ||
 777                                 m_animation_speed != old_anim_speed) &&
 778                                 player->last_animation != NO_ANIM && allow_update)
 779                                         updateAnimation();
 780
 781                 }
 782         }
 783
 784         if (m_visuals_expired && m_smgr) {
 785                 m_visuals_expired = false;
 786
 787                 // Attachments, part 1: All attached objects must be unparented first,
 788                 // or Irrlicht causes a segmentation fault
 789                 for (auto ci = m_children.begin(); ci != m_children.end();) {
 790                         if (m_env->attachement_parent_ids[*ci] != getId()) {
 791                                 ci = m_children.erase(ci);
 792                                 continue;
 793                         }
 794                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
 795                         if (obj) {
 796                                 scene::ISceneNode *child_node = obj->getSceneNode();
 797                                 if (child_node)
 798                                         child_node->setParent(m_smgr->getRootSceneNode());
 799                         }
 800                         ++ci;
 801                 }
 802
 803                 removeFromScene(false);
 804                 addToScene(m_client->tsrc());
 805
 806                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
 807                 for (u16 cao_id : m_children) {
 808                         // Get the object of the child
 809                         ClientActiveObject *obj = m_env->getActiveObject(cao_id);
 810                         if (obj)
 811                                 obj->setAttachments();
 812                 }
 813         }
 814
 815         // Make sure m_is_visible is always applied
 816         scene::ISceneNode *node = getSceneNode();
 817         if (node)
 818                 node->setVisible(m_is_visible);
 819
 820         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
 821         {
 822                 // Set these for later
 823                 m_position = getPosition();
 824                 m_velocity = v3f(0,0,0);
 825                 m_acceleration = v3f(0,0,0);
 826                 pos_translator.vect_show = m_position;
 827
 828                 if(m_is_local_player) // Update local player attachment position
 829                 {
 830                         LocalPlayer *player = m_env->getLocalPlayer();
 831                         player->overridePosition = getParent()->getPosition();
 832                         m_env->getLocalPlayer()->parent = getParent();
 833                 }
 834         } else {
 835                 v3f lastpos = pos_translator.vect_show;
 836
 837                 if(m_prop.physical)
 838                 {
 839                         aabb3f box = m_prop.collisionbox;
 840                         box.MinEdge *= BS;
 841                         box.MaxEdge *= BS;
 842                         collisionMoveResult moveresult;
 843                         f32 pos_max_d = BS*0.125; // Distance per iteration
 844                         v3f p_pos = m_position;
 845                         v3f p_velocity = m_velocity;
 846                         moveresult = collisionMoveSimple(env,env->getGameDef(),
 847                                         pos_max_d, box, m_prop.stepheight, dtime,
 848                                         &p_pos, &p_velocity, m_acceleration,
 849                                         this, m_prop.collideWithObjects);
 850                         // Apply results
 851                         m_position = p_pos;
 852                         m_velocity = p_velocity;
 853
 854                         bool is_end_position = moveresult.collides;
 855                         pos_translator.update(m_position, is_end_position, dtime);
 856                         pos_translator.translate(dtime);
 857                         updateNodePos();
 858                 } else {
 859                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
 860                         m_velocity += dtime * m_acceleration;
 861                         pos_translator.update(m_position, pos_translator.aim_is_end,
 862                                         pos_translator.anim_time);
 863                         pos_translator.translate(dtime);
 864                         updateNodePos();
 865                 }
 866
 867                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
 868                 m_step_distance_counter += moved;
 869                 if (m_step_distance_counter > 1.5f * BS) {
 870                         m_step_distance_counter = 0.0f;
 871                         if (!m_is_local_player && m_prop.makes_footstep_sound) {
 872                                 INodeDefManager *ndef = m_client->ndef();
 873                                 v3s16 p = floatToInt(getPosition() +
 874                                         v3f(0.0f, (m_prop.collisionbox.MinEdge.Y - 0.5f) * BS, 0.0f), BS);
 875                                 MapNode n = m_env->getMap().getNodeNoEx(p);
 876                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
 877                                 // Reduce footstep gain, as non-local-player footsteps are
 878                                 // somehow louder.
 879                                 spec.gain *= 0.6f;
 880                                 m_client->sound()->playSoundAt(spec, false, getPosition());
 881                         }
 882                 }
 883         }
 884
 885         m_anim_timer += dtime;
 886         if(m_anim_timer >= m_anim_framelength)
 887         {
 888                 m_anim_timer -= m_anim_framelength;
 889                 m_anim_frame++;
 890                 if(m_anim_frame >= m_anim_num_frames)
 891                         m_anim_frame = 0;
 892         }
 893
 894         updateTexturePos();
 895
 896         if(m_reset_textures_timer >= 0)
 897         {
 898                 m_reset_textures_timer -= dtime;
 899                 if(m_reset_textures_timer <= 0) {
 900                         m_reset_textures_timer = -1;
 901                         updateTextures(m_previous_texture_modifier);
 902                 }
 903         }
 904         if(!getParent() && fabs(m_prop.automatic_rotate) > 0.001)
 905         {
 906                 m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
 907                 updateNodePos();
 908         }
 909
 910         if (!getParent() && m_prop.automatic_face_movement_dir &&
 911                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001)) {
 912
 913                 float target_yaw = atan2(m_velocity.Z, m_velocity.X) * 180 / M_PI
 914                                 + m_prop.automatic_face_movement_dir_offset;
 915                 float max_rotation_delta =
 916                                 dtime * m_prop.automatic_face_movement_max_rotation_per_sec;
 917                 float delta = wrapDegrees_0_360(target_yaw - m_yaw);
 918
 919                 if (delta > max_rotation_delta && 360 - delta > max_rotation_delta) {
 920                         m_yaw += (delta < 180) ? max_rotation_delta : -max_rotation_delta;
 921                         m_yaw = wrapDegrees_0_360(m_yaw);
 922                 } else {
 923                         m_yaw = target_yaw;
 924                 }
 925                 updateNodePos();
 926         }
 927 }
 928
 929 void GenericCAO::updateTexturePos()
 930 {
 931         if(m_spritenode)
 932         {
 933                 scene::ICameraSceneNode* camera =
 934                                 m_spritenode->getSceneManager()->getActiveCamera();
 935                 if(!camera)
 936                         return;
 937                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
 938                                 - camera->getAbsolutePosition();
 939                 cam_to_entity.normalize();
 940
 941                 int row = m_tx_basepos.Y;
 942                 int col = m_tx_basepos.X;
 943
 944                 if(m_tx_select_horiz_by_yawpitch)
 945                 {
 946                         if(cam_to_entity.Y > 0.75)
 947                                 col += 5;
 948                         else if(cam_to_entity.Y < -0.75)
 949                                 col += 4;
 950                         else{
 951                                 float mob_dir =
 952                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
 953                                 float dir = mob_dir - m_yaw;
 954                                 dir = wrapDegrees_180(dir);
 955                                 //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
 956                                 if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
 957                                         col += 2;
 958                                 else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
 959                                         col += 3;
 960                                 else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
 961                                         col += 0;
 962                                 else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
 963                                         col += 1;
 964                                 else
 965                                         col += 4;
 966                         }
 967                 }
 968
 969                 // Animation goes downwards
 970                 row += m_anim_frame;
 971
 972                 float txs = m_tx_size.X;
 973                 float tys = m_tx_size.Y;
 974                 setBillboardTextureMatrix(m_spritenode,
 975                                 txs, tys, col, row);
 976         }
 977 }
 978
 979 void GenericCAO::updateTextures(std::string mod)
 980 {
 981         ITextureSource *tsrc = m_client->tsrc();
 982
 983         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
 984         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
 985         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
 986
 987         m_previous_texture_modifier = m_current_texture_modifier;
 988         m_current_texture_modifier = mod;
 989         m_glow = m_prop.glow;
 990
 991         if (m_spritenode) {
 992                 if (m_prop.visual == "sprite") {
 993                         std::string texturestring = "unknown_node.png";
 994                         if (!m_prop.textures.empty())
 995                                 texturestring = m_prop.textures[0];
 996                         texturestring += mod;
 997                         m_spritenode->setMaterialTexture(0,
 998                                         tsrc->getTextureForMesh(texturestring));
 999
1000                         // This allows setting per-material colors. However, until a real lighting
1001                         // system is added, the code below will have no effect. Once MineTest
1002                         // has directional lighting, it should work automatically.
1003                         if (!m_prop.colors.empty()) {
1004                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1005                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1006                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1007                         }
1008
1009                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1010                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1011                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1012                 }
1013         }
1014
1015         if (m_animated_meshnode) {
1016                 if (m_prop.visual == "mesh") {
1017                         for (u32 i = 0; i < m_prop.textures.size() &&
1018                                         i < m_animated_meshnode->getMaterialCount(); ++i) {
1019                                 std::string texturestring = m_prop.textures[i];
1020                                 if (texturestring.empty())
1021                                         continue; // Empty texture string means don't modify that material
1022                                 texturestring += mod;
1023                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1024                                 if (!texture) {
1025                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1026                                         continue;
1027                                 }
1028
1029                                 // Set material flags and texture
1030                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1031                                 material.TextureLayer[0].Texture = texture;
1032                                 material.setFlag(video::EMF_LIGHTING, true);
1033                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1034
1035                                 // don't filter low-res textures, makes them look blurry
1036                                 // player models have a res of 64
1037                                 const core::dimension2d<u32> &size = texture->getOriginalSize();
1038                                 const u32 res = std::min(size.Height, size.Width);
1039                                 use_trilinear_filter &= res > 64;
1040                                 use_bilinear_filter &= res > 64;
1041
1042                                 m_animated_meshnode->getMaterial(i)
1043                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1044                                 m_animated_meshnode->getMaterial(i)
1045                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1046                                 m_animated_meshnode->getMaterial(i)
1047                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1048                         }
1049                         for (u32 i = 0; i < m_prop.colors.size() &&
1050                         i < m_animated_meshnode->getMaterialCount(); ++i)
1051                         {
1052                                 // This allows setting per-material colors. However, until a real lighting
1053                                 // system is added, the code below will have no effect. Once MineTest
1054                                 // has directional lighting, it should work automatically.
1055                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1056                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1057                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1058                         }
1059                 }
1060         }
1061         if(m_meshnode)
1062         {
1063                 if(m_prop.visual == "cube")
1064                 {
1065                         for (u32 i = 0; i < 6; ++i)
1066                         {
1067                                 std::string texturestring = "unknown_node.png";
1068                                 if(m_prop.textures.size() > i)
1069                                         texturestring = m_prop.textures[i];
1070                                 texturestring += mod;
1071
1072
1073                                 // Set material flags and texture
1074                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1075                                 material.setFlag(video::EMF_LIGHTING, false);
1076                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1077                                 material.setTexture(0,
1078                                                 tsrc->getTextureForMesh(texturestring));
1079                                 material.getTextureMatrix(0).makeIdentity();
1080
1081                                 // This allows setting per-material colors. However, until a real lighting
1082                                 // system is added, the code below will have no effect. Once MineTest
1083                                 // has directional lighting, it should work automatically.
1084                                 if(m_prop.colors.size() > i)
1085                                 {
1086                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1087                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1088                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1089                                 }
1090
1091                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1092                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1093                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1094                         }
1095                 } else if (m_prop.visual == "upright_sprite") {
1096                         scene::IMesh *mesh = m_meshnode->getMesh();
1097                         {
1098                                 std::string tname = "unknown_object.png";
1099                                 if (!m_prop.textures.empty())
1100                                         tname = m_prop.textures[0];
1101                                 tname += mod;
1102                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1103                                 buf->getMaterial().setTexture(0,
1104                                                 tsrc->getTextureForMesh(tname));
1105
1106                                 // This allows setting per-material colors. However, until a real lighting
1107                                 // system is added, the code below will have no effect. Once MineTest
1108                                 // has directional lighting, it should work automatically.
1109                                 if(!m_prop.colors.empty()) {
1110                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1111                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1112                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1113                                 }
1114
1115                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1116                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1117                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1118                         }
1119                         {
1120                                 std::string tname = "unknown_object.png";
1121                                 if (m_prop.textures.size() >= 2)
1122                                         tname = m_prop.textures[1];
1123                                 else if (!m_prop.textures.empty())
1124                                         tname = m_prop.textures[0];
1125                                 tname += mod;
1126                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1127                                 buf->getMaterial().setTexture(0,
1128                                                 tsrc->getTextureForMesh(tname));
1129
1130                                 // This allows setting per-material colors. However, until a real lighting
1131                                 // system is added, the code below will have no effect. Once MineTest
1132                                 // has directional lighting, it should work automatically.
1133                                 if (m_prop.colors.size() >= 2) {
1134                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1135                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1136                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1137                                         setMeshColor(mesh, m_prop.colors[1]);
1138                                 } else if (!m_prop.colors.empty()) {
1139                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1140                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1141                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1142                                         setMeshColor(mesh, m_prop.colors[0]);
1143                                 }
1144
1145                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1146                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1147                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1148                         }
1149                 }
1150         }
1151 }
1152
1153 void GenericCAO::updateAnimation()
1154 {
1155         if (!m_animated_meshnode)
1156                 return;
1157
1158         if (m_animated_meshnode->getStartFrame() != m_animation_range.X ||
1159                 m_animated_meshnode->getEndFrame() != m_animation_range.Y)
1160                         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1161         if (m_animated_meshnode->getAnimationSpeed() != m_animation_speed)
1162                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1163         m_animated_meshnode->setTransitionTime(m_animation_blend);
1164 // Requires Irrlicht 1.8 or greater
1165 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR > 1
1166         if (m_animated_meshnode->getLoopMode() != m_animation_loop)
1167                 m_animated_meshnode->setLoopMode(m_animation_loop);
1168 #endif
1169 }
1170
1171 void GenericCAO::updateAnimationSpeed()
1172 {
1173         if (!m_animated_meshnode)
1174                 return;
1175
1176         m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1177 }
1178
1179 void GenericCAO::updateBonePosition()
1180 {
1181         if (m_bone_position.empty() || !m_animated_meshnode)
1182                 return;
1183
1184         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1185         for(std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
1186                         ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
1187                 std::string bone_name = (*ii).first;
1188                 v3f bone_pos = (*ii).second.X;
1189                 v3f bone_rot = (*ii).second.Y;
1190                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1191                 if(bone)
1192                 {
1193                         bone->setPosition(bone_pos);
1194                         bone->setRotation(bone_rot);
1195                 }
1196         }
1197 }
1198
1199 void GenericCAO::updateAttachments()
1200 {
1201
1202         if (!getParent()) { // Detach or don't attach
1203                 scene::ISceneNode *node = getSceneNode();
1204                 if (node) {
1205                         v3f old_position = node->getAbsolutePosition();
1206                         v3f old_rotation = node->getRotation();
1207                         node->setParent(m_smgr->getRootSceneNode());
1208                         node->setPosition(old_position);
1209                         node->setRotation(old_rotation);
1210                         node->updateAbsolutePosition();
1211                 }
1212                 if (m_is_local_player) {
1213                         LocalPlayer *player = m_env->getLocalPlayer();
1214                         player->isAttached = false;
1215                 }
1216         }
1217         else // Attach
1218         {
1219                 scene::ISceneNode *my_node = getSceneNode();
1220
1221                 scene::ISceneNode *parent_node = getParent()->getSceneNode();
1222                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1223                                 getParent()->getAnimatedMeshSceneNode();
1224                 if (parent_animated_mesh_node && !m_attachment_bone.empty()) {
1225                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1226                 }
1227
1228                 if (my_node && parent_node) {
1229                         my_node->setParent(parent_node);
1230                         my_node->setPosition(m_attachment_position);
1231                         my_node->setRotation(m_attachment_rotation);
1232                         my_node->updateAbsolutePosition();
1233                 }
1234                 if (m_is_local_player) {
1235                         LocalPlayer *player = m_env->getLocalPlayer();
1236                         player->isAttached = true;
1237                 }
1238         }
1239 }
1240
1241 void GenericCAO::processMessage(const std::string &data)
1242 {
1243         //infostream<<"GenericCAO: Got message"<<std::endl;
1244         std::istringstream is(data, std::ios::binary);
1245         // command
1246         u8 cmd = readU8(is);
1247         if (cmd == GENERIC_CMD_SET_PROPERTIES) {
1248                 m_prop = gob_read_set_properties(is);
1249
1250                 m_selection_box = m_prop.selectionbox;
1251                 m_selection_box.MinEdge *= BS;
1252                 m_selection_box.MaxEdge *= BS;
1253
1254                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1255                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1256
1257                 if(!m_initial_tx_basepos_set){
1258                         m_initial_tx_basepos_set = true;
1259                         m_tx_basepos = m_prop.initial_sprite_basepos;
1260                 }
1261                 if (m_is_local_player) {
1262                         LocalPlayer *player = m_env->getLocalPlayer();
1263                         player->makes_footstep_sound = m_prop.makes_footstep_sound;
1264                         aabb3f collision_box = m_prop.collisionbox;
1265                         collision_box.MinEdge *= BS;
1266                         collision_box.MaxEdge *= BS;
1267                         player->setCollisionbox(collision_box);
1268                         player->setEyeHeight(m_prop.eye_height);
1269                         player->setZoomFOV(m_prop.zoom_fov);
1270                 }
1271
1272                 if ((m_is_player && !m_is_local_player) && m_prop.nametag.empty())
1273                         m_prop.nametag = m_name;
1274
1275                 expireVisuals();
1276         } else if (cmd == GENERIC_CMD_UPDATE_POSITION) {
1277                 // Not sent by the server if this object is an attachment.
1278                 // We might however get here if the server notices the object being detached before the client.
1279                 m_position = readV3F1000(is);
1280                 m_velocity = readV3F1000(is);
1281                 m_acceleration = readV3F1000(is);
1282                 if(fabs(m_prop.automatic_rotate) < 0.001)
1283                         m_yaw = readF1000(is);
1284                 else
1285                         readF1000(is);
1286                 bool do_interpolate = readU8(is);
1287                 bool is_end_position = readU8(is);
1288                 float update_interval = readF1000(is);
1289
1290                 // Place us a bit higher if we're physical, to not sink into
1291                 // the ground due to sucky collision detection...
1292                 if(m_prop.physical)
1293                         m_position += v3f(0,0.002,0);
1294
1295                 if(getParent() != NULL) // Just in case
1296                         return;
1297
1298                 if(do_interpolate)
1299                 {
1300                         if(!m_prop.physical)
1301                                 pos_translator.update(m_position, is_end_position, update_interval);
1302                 } else {
1303                         pos_translator.init(m_position);
1304                 }
1305                 updateNodePos();
1306         } else if (cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1307                 std::string mod = deSerializeString(is);
1308
1309                 // immediatly reset a engine issued texture modifier if a mod sends a different one
1310                 if (m_reset_textures_timer > 0) {
1311                         m_reset_textures_timer = -1;
1312                         updateTextures(m_previous_texture_modifier);
1313                 }
1314                 updateTextures(mod);
1315         } else if (cmd == GENERIC_CMD_SET_SPRITE) {
1316                 v2s16 p = readV2S16(is);
1317                 int num_frames = readU16(is);
1318                 float framelength = readF1000(is);
1319                 bool select_horiz_by_yawpitch = readU8(is);
1320
1321                 m_tx_basepos = p;
1322                 m_anim_num_frames = num_frames;
1323                 m_anim_framelength = framelength;
1324                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1325
1326                 updateTexturePos();
1327         } else if (cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1328                 float override_speed = readF1000(is);
1329                 float override_jump = readF1000(is);
1330                 float override_gravity = readF1000(is);
1331                 // these are sent inverted so we get true when the server sends nothing
1332                 bool sneak = !readU8(is);
1333                 bool sneak_glitch = !readU8(is);
1334                 bool new_move = !readU8(is);
1335
1336
1337                 if(m_is_local_player)
1338                 {
1339                         LocalPlayer *player = m_env->getLocalPlayer();
1340                         player->physics_override_speed = override_speed;
1341                         player->physics_override_jump = override_jump;
1342                         player->physics_override_gravity = override_gravity;
1343                         player->physics_override_sneak = sneak;
1344                         player->physics_override_sneak_glitch = sneak_glitch;
1345                         player->physics_override_new_move = new_move;
1346                 }
1347         } else if (cmd == GENERIC_CMD_SET_ANIMATION) {
1348                 // TODO: change frames send as v2s32 value
1349                 v2f range = readV2F1000(is);
1350                 if (!m_is_local_player) {
1351                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1352                         m_animation_speed = readF1000(is);
1353                         m_animation_blend = readF1000(is);
1354                         // these are sent inverted so we get true when the server sends nothing
1355                         m_animation_loop = !readU8(is);
1356                         updateAnimation();
1357                 } else {
1358                         LocalPlayer *player = m_env->getLocalPlayer();
1359                         if(player->last_animation == NO_ANIM)
1360                         {
1361                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1362                                 m_animation_speed = readF1000(is);
1363                                 m_animation_blend = readF1000(is);
1364                                 // these are sent inverted so we get true when the server sends nothing
1365                                 m_animation_loop = !readU8(is);
1366                         }
1367                         // update animation only if local animations present
1368                         // and received animation is unknown (except idle animation)
1369                         bool is_known = false;
1370                         for (int i = 1;i<4;i++)
1371                         {
1372                                 if(m_animation_range.Y == player->local_animations[i].Y)
1373                                         is_known = true;
1374                         }
1375                         if(!is_known ||
1376                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1377                         {
1378                                         updateAnimation();
1379                         }
1380                 }
1381         } else if (cmd == GENERIC_CMD_SET_ANIMATION_SPEED) {
1382                 m_animation_speed = readF1000(is);
1383                 updateAnimationSpeed();
1384         } else if (cmd == GENERIC_CMD_SET_BONE_POSITION) {
1385                 std::string bone = deSerializeString(is);
1386                 v3f position = readV3F1000(is);
1387                 v3f rotation = readV3F1000(is);
1388                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1389
1390                 updateBonePosition();
1391         } else if (cmd == GENERIC_CMD_ATTACH_TO) {
1392                 u16 parentID = readS16(is);
1393                 u16 oldparent = m_env->attachement_parent_ids[getId()];
1394                 if (oldparent) {
1395                         m_children.erase(std::remove(m_children.begin(), m_children.end(),
1396                                 getId()), m_children.end());
1397                 }
1398                 m_env->attachement_parent_ids[getId()] = parentID;
1399                 GenericCAO *parentobj = m_env->getGenericCAO(parentID);
1400
1401                 if (parentobj) {
1402                         parentobj->m_children.push_back(getId());
1403                 }
1404
1405                 m_attachment_bone = deSerializeString(is);
1406                 m_attachment_position = readV3F1000(is);
1407                 m_attachment_rotation = readV3F1000(is);
1408
1409                 // localplayer itself can't be attached to localplayer
1410                 if (!m_is_local_player) {
1411                         m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1412                         // Objects attached to the local player should be hidden by default
1413                         m_is_visible = !m_attached_to_local;
1414                 }
1415
1416                 updateAttachments();
1417         } else if (cmd == GENERIC_CMD_PUNCHED) {
1418                 /*s16 damage =*/ readS16(is);
1419                 s16 result_hp = readS16(is);
1420
1421                 // Use this instead of the send damage to not interfere with prediction
1422                 s16 damage = m_hp - result_hp;
1423
1424                 m_hp = result_hp;
1425
1426                 if (damage > 0)
1427                 {
1428                         if (m_hp <= 0)
1429                         {
1430                                 // TODO: Execute defined fast response
1431                                 // As there is no definition, make a smoke puff
1432                                 ClientSimpleObject *simple = createSmokePuff(
1433                                                 m_smgr, m_env, m_position,
1434                                                 m_prop.visual_size * BS);
1435                                 m_env->addSimpleObject(simple);
1436                         } else if (m_reset_textures_timer < 0) {
1437                                 // TODO: Execute defined fast response
1438                                 // Flashing shall suffice as there is no definition
1439                                 m_reset_textures_timer = 0.05;
1440                                 if(damage >= 2)
1441                                         m_reset_textures_timer += 0.05 * damage;
1442                                 updateTextures(m_current_texture_modifier + "^[brighten");
1443                         }
1444                 }
1445         } else if (cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1446                 m_armor_groups.clear();
1447                 int armor_groups_size = readU16(is);
1448                 for(int i=0; i<armor_groups_size; i++)
1449                 {
1450                         std::string name = deSerializeString(is);
1451                         int rating = readS16(is);
1452                         m_armor_groups[name] = rating;
1453                 }
1454         } else if (cmd == GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) {
1455                 // Deprecated, for backwards compatibility only.
1456                 readU8(is); // version
1457                 m_prop.nametag_color = readARGB8(is);
1458                 if (m_nametag != NULL) {
1459                         m_nametag->nametag_color = m_prop.nametag_color;
1460                         v3f pos;
1461                         pos.Y = m_prop.collisionbox.MaxEdge.Y + 0.3f;
1462                         m_nametag->nametag_pos = pos;
1463                 }
1464         } else if (cmd == GENERIC_CMD_SPAWN_INFANT) {
1465                 u16 child_id = readU16(is);
1466                 u8 type = readU8(is);
1467
1468                 if (GenericCAO *childobj = m_env->getGenericCAO(child_id)) {
1469                         childobj->processInitData(deSerializeLongString(is));
1470                 } else {
1471                         m_env->addActiveObject(child_id, type, deSerializeLongString(is));
1472                 }
1473         } else {
1474                 warningstream << FUNCTION_NAME
1475                         << ": unknown command or outdated client \""
1476                         << +cmd << "\"" << std::endl;
1477         }
1478 }
1479
1480 /* \pre punchitem != NULL
1481  */
1482 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1483                 float time_from_last_punch)
1484 {
1485         assert(punchitem);      // pre-condition
1486         const ToolCapabilities *toolcap =
1487                         &punchitem->getToolCapabilities(m_client->idef());
1488         PunchDamageResult result = getPunchDamage(
1489                         m_armor_groups,
1490                         toolcap,
1491                         punchitem,
1492                         time_from_last_punch);
1493
1494         if(result.did_punch && result.damage != 0)
1495         {
1496                 if(result.damage < m_hp)
1497                 {
1498                         m_hp -= result.damage;
1499                 } else {
1500                         m_hp = 0;
1501                         // TODO: Execute defined fast response
1502                         // As there is no definition, make a smoke puff
1503                         ClientSimpleObject *simple = createSmokePuff(
1504                                         m_smgr, m_env, m_position,
1505                                         m_prop.visual_size * BS);
1506                         m_env->addSimpleObject(simple);
1507                 }
1508                 // TODO: Execute defined fast response
1509                 // Flashing shall suffice as there is no definition
1510                 if (m_reset_textures_timer < 0) {
1511                         m_reset_textures_timer = 0.05;
1512                         if (result.damage >= 2)
1513                                 m_reset_textures_timer += 0.05 * result.damage;
1514                         updateTextures(m_current_texture_modifier + "^[brighten");
1515                 }
1516         }
1517
1518         return false;
1519 }
1520
1521 std::string GenericCAO::debugInfoText()
1522 {
1523         std::ostringstream os(std::ios::binary);
1524         os<<"GenericCAO hp="<<m_hp<<"\n";
1525         os<<"armor={";
1526         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1527                         i != m_armor_groups.end(); ++i)
1528         {
1529                 os<<i->first<<"="<<i->second<<", ";
1530         }
1531         os<<"}";
1532         return os.str();
1533 }
1534
1535 // Prototype
1536 GenericCAO proto_GenericCAO(NULL, NULL);