src/client/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 "content_cao.h"
  21 #include <IBillboardSceneNode.h>
  22 #include <ICameraSceneNode.h>
  23 #include <ITextSceneNode.h>
  24 #include <IMeshManipulator.h>
  25 #include <IAnimatedMeshSceneNode.h>
  26 #include "client/client.h"
  27 #include "client/renderingengine.h"
  28 #include "client/sound.h"
  29 #include "client/tile.h"
  30 #include "util/basic_macros.h"
  31 #include "util/numeric.h" // For IntervalLimiter & setPitchYawRoll
  32 #include "util/serialize.h"
  33 #include "camera.h" // CameraModes
  34 #include "collision.h"
  35 #include "content_cso.h"
  36 #include "environment.h"
  37 #include "itemdef.h"
  38 #include "localplayer.h"
  39 #include "map.h"
  40 #include "mesh.h"
  41 #include "nodedef.h"
  42 #include "serialization.h" // For decompressZlib
  43 #include "settings.h"
  44 #include "sound.h"
  45 #include "tool.h"
  46 #include "wieldmesh.h"
  47 #include <algorithm>
  48 #include <cmath>
  49 #include "client/shader.h"
  50
  51 class Settings;
  52 struct ToolCapabilities;
  53
  54 std::unordered_map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
  55
  56 template<typename T>
  57 void SmoothTranslator<T>::init(T current)
  58 {
  59         val_old = current;
  60         val_current = current;
  61         val_target = current;
  62         anim_time = 0;
  63         anim_time_counter = 0;
  64         aim_is_end = true;
  65 }
  66
  67 template<typename T>
  68 void SmoothTranslator<T>::update(T new_target, bool is_end_position, float update_interval)
  69 {
  70         aim_is_end = is_end_position;
  71         val_old = val_current;
  72         val_target = new_target;
  73         if (update_interval > 0) {
  74                 anim_time = update_interval;
  75         } else {
  76                 if (anim_time < 0.001 || anim_time > 1.0)
  77                         anim_time = anim_time_counter;
  78                 else
  79                         anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
  80         }
  81         anim_time_counter = 0;
  82 }
  83
  84 template<typename T>
  85 void SmoothTranslator<T>::translate(f32 dtime)
  86 {
  87         anim_time_counter = anim_time_counter + dtime;
  88         T val_diff = val_target - val_old;
  89         f32 moveratio = 1.0;
  90         if (anim_time > 0.001)
  91                 moveratio = anim_time_counter / anim_time;
  92         f32 move_end = aim_is_end ? 1.0 : 1.5;
  93
  94         // Move a bit less than should, to avoid oscillation
  95         moveratio = std::min(moveratio * 0.8f, move_end);
  96         val_current = val_old + val_diff * moveratio;
  97 }
  98
  99 void SmoothTranslatorWrapped::translate(f32 dtime)
 100 {
 101         anim_time_counter = anim_time_counter + dtime;
 102         f32 val_diff = std::abs(val_target - val_old);
 103         if (val_diff > 180.f)
 104                 val_diff = 360.f - val_diff;
 105
 106         f32 moveratio = 1.0;
 107         if (anim_time > 0.001)
 108                 moveratio = anim_time_counter / anim_time;
 109         f32 move_end = aim_is_end ? 1.0 : 1.5;
 110
 111         // Move a bit less than should, to avoid oscillation
 112         moveratio = std::min(moveratio * 0.8f, move_end);
 113         wrappedApproachShortest(val_current, val_target,
 114                 val_diff * moveratio, 360.f);
 115 }
 116
 117 void SmoothTranslatorWrappedv3f::translate(f32 dtime)
 118 {
 119         anim_time_counter = anim_time_counter + dtime;
 120
 121         v3f val_diff_v3f;
 122         val_diff_v3f.X = std::abs(val_target.X - val_old.X);
 123         val_diff_v3f.Y = std::abs(val_target.Y - val_old.Y);
 124         val_diff_v3f.Z = std::abs(val_target.Z - val_old.Z);
 125
 126         if (val_diff_v3f.X > 180.f)
 127                 val_diff_v3f.X = 360.f - val_diff_v3f.X;
 128
 129         if (val_diff_v3f.Y > 180.f)
 130                 val_diff_v3f.Y = 360.f - val_diff_v3f.Y;
 131
 132         if (val_diff_v3f.Z > 180.f)
 133                 val_diff_v3f.Z = 360.f - val_diff_v3f.Z;
 134
 135         f32 moveratio = 1.0;
 136         if (anim_time > 0.001)
 137                 moveratio = anim_time_counter / anim_time;
 138         f32 move_end = aim_is_end ? 1.0 : 1.5;
 139
 140         // Move a bit less than should, to avoid oscillation
 141         moveratio = std::min(moveratio * 0.8f, move_end);
 142         wrappedApproachShortest(val_current.X, val_target.X,
 143                 val_diff_v3f.X * moveratio, 360.f);
 144
 145         wrappedApproachShortest(val_current.Y, val_target.Y,
 146                 val_diff_v3f.Y * moveratio, 360.f);
 147
 148         wrappedApproachShortest(val_current.Z, val_target.Z,
 149                 val_diff_v3f.Z * moveratio, 360.f);
 150 }
 151
 152 /*
 153         Other stuff
 154 */
 155
 156 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
 157                 float txs, float tys, int col, int row)
 158 {
 159         video::SMaterial& material = bill->getMaterial(0);
 160         core::matrix4& matrix = material.getTextureMatrix(0);
 161         matrix.setTextureTranslate(txs*col, tys*row);
 162         matrix.setTextureScale(txs, tys);
 163 }
 164
 165 /*
 166         TestCAO
 167 */
 168
 169 class TestCAO : public ClientActiveObject
 170 {
 171 public:
 172         TestCAO(Client *client, ClientEnvironment *env);
 173         virtual ~TestCAO() = default;
 174
 175         ActiveObjectType getType() const
 176         {
 177                 return ACTIVEOBJECT_TYPE_TEST;
 178         }
 179
 180         static ClientActiveObject* create(Client *client, ClientEnvironment *env);
 181
 182         void addToScene(ITextureSource *tsrc);
 183         void removeFromScene(bool permanent);
 184         void updateLight(u8 light_at_pos);
 185         v3s16 getLightPosition();
 186         void updateNodePos();
 187
 188         void step(float dtime, ClientEnvironment *env);
 189
 190         void processMessage(const std::string &data);
 191
 192         bool getCollisionBox(aabb3f *toset) const { return false; }
 193 private:
 194         scene::IMeshSceneNode *m_node;
 195         v3f m_position;
 196 };
 197
 198 // Prototype
 199 TestCAO proto_TestCAO(NULL, NULL);
 200
 201 TestCAO::TestCAO(Client *client, ClientEnvironment *env):
 202         ClientActiveObject(0, client, env),
 203         m_node(NULL),
 204         m_position(v3f(0,10*BS,0))
 205 {
 206         ClientActiveObject::registerType(getType(), create);
 207 }
 208
 209 ClientActiveObject* TestCAO::create(Client *client, ClientEnvironment *env)
 210 {
 211         return new TestCAO(client, env);
 212 }
 213
 214 void TestCAO::addToScene(ITextureSource *tsrc)
 215 {
 216         if(m_node != NULL)
 217                 return;
 218
 219         //video::IVideoDriver* driver = smgr->getVideoDriver();
 220
 221         scene::SMesh *mesh = new scene::SMesh();
 222         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 223         video::SColor c(255,255,255,255);
 224         video::S3DVertex vertices[4] =
 225         {
 226                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
 227                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
 228                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
 229                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
 230         };
 231         u16 indices[] = {0,1,2,2,3,0};
 232         buf->append(vertices, 4, indices, 6);
 233         // Set material
 234         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 235         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
 236         buf->getMaterial().setTexture(0, tsrc->getTextureForMesh("rat.png"));
 237         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 238         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 239         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
 240         // Add to mesh
 241         mesh->addMeshBuffer(buf);
 242         buf->drop();
 243         m_node = RenderingEngine::get_scene_manager()->addMeshSceneNode(mesh, NULL);
 244         mesh->drop();
 245         updateNodePos();
 246 }
 247
 248 void TestCAO::removeFromScene(bool permanent)
 249 {
 250         if (!m_node)
 251                 return;
 252
 253         m_node->remove();
 254         m_node = NULL;
 255 }
 256
 257 void TestCAO::updateLight(u8 light_at_pos)
 258 {
 259 }
 260
 261 v3s16 TestCAO::getLightPosition()
 262 {
 263         return floatToInt(m_position, BS);
 264 }
 265
 266 void TestCAO::updateNodePos()
 267 {
 268         if (!m_node)
 269                 return;
 270
 271         m_node->setPosition(m_position);
 272         //m_node->setRotation(v3f(0, 45, 0));
 273 }
 274
 275 void TestCAO::step(float dtime, ClientEnvironment *env)
 276 {
 277         if(m_node)
 278         {
 279                 v3f rot = m_node->getRotation();
 280                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
 281                 rot.Y += dtime * 180;
 282                 m_node->setRotation(rot);
 283         }
 284 }
 285
 286 void TestCAO::processMessage(const std::string &data)
 287 {
 288         infostream<<"TestCAO: Got data: "<<data<<std::endl;
 289         std::istringstream is(data, std::ios::binary);
 290         u16 cmd;
 291         is>>cmd;
 292         if(cmd == 0)
 293         {
 294                 v3f newpos;
 295                 is>>newpos.X;
 296                 is>>newpos.Y;
 297                 is>>newpos.Z;
 298                 m_position = newpos;
 299                 updateNodePos();
 300         }
 301 }
 302
 303 /*
 304         GenericCAO
 305 */
 306
 307 #include "genericobject.h"
 308 #include "clientobject.h"
 309
 310 GenericCAO::GenericCAO(Client *client, ClientEnvironment *env):
 311                 ClientActiveObject(0, client, env)
 312 {
 313         if (client == NULL) {
 314                 ClientActiveObject::registerType(getType(), create);
 315         } else {
 316                 m_client = client;
 317         }
 318 }
 319
 320 bool GenericCAO::getCollisionBox(aabb3f *toset) const
 321 {
 322         if (m_prop.physical)
 323         {
 324                 //update collision box
 325                 toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
 326                 toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
 327
 328                 toset->MinEdge += m_position;
 329                 toset->MaxEdge += m_position;
 330
 331                 return true;
 332         }
 333
 334         return false;
 335 }
 336
 337 bool GenericCAO::collideWithObjects() const
 338 {
 339         return m_prop.collideWithObjects;
 340 }
 341
 342 void GenericCAO::initialize(const std::string &data)
 343 {
 344         infostream<<"GenericCAO: Got init data"<<std::endl;
 345         processInitData(data);
 346
 347         if (m_is_player) {
 348                 // Check if it's the current player
 349                 LocalPlayer *player = m_env->getLocalPlayer();
 350                 if (player && strcmp(player->getName(), m_name.c_str()) == 0) {
 351                         m_is_local_player = true;
 352                         m_is_visible = false;
 353                         player->setCAO(this);
 354                 }
 355         }
 356
 357         m_enable_shaders = g_settings->getBool("enable_shaders");
 358 }
 359
 360 void GenericCAO::processInitData(const std::string &data)
 361 {
 362         std::istringstream is(data, std::ios::binary);
 363         const u8 version = readU8(is);
 364
 365         if (version < 1) {
 366                 errorstream << "GenericCAO: Unsupported init data version"
 367                                 << std::endl;
 368                 return;
 369         }
 370
 371         // PROTOCOL_VERSION >= 37
 372         m_name = deSerializeString(is);
 373         m_is_player = readU8(is);
 374         m_id = readU16(is);
 375         m_position = readV3F32(is);
 376         m_rotation = readV3F32(is);
 377         m_hp = readU16(is);
 378
 379         const u8 num_messages = readU8(is);
 380
 381         for (int i = 0; i < num_messages; i++) {
 382                 std::string message = deSerializeLongString(is);
 383                 processMessage(message);
 384         }
 385
 386         m_rotation = wrapDegrees_0_360_v3f(m_rotation);
 387         pos_translator.init(m_position);
 388         rot_translator.init(m_rotation);
 389         updateNodePos();
 390 }
 391
 392 GenericCAO::~GenericCAO()
 393 {
 394         removeFromScene(true);
 395 }
 396
 397 bool GenericCAO::getSelectionBox(aabb3f *toset) const
 398 {
 399         if (!m_prop.is_visible || !m_is_visible || m_is_local_player
 400                         || !m_prop.pointable) {
 401                 return false;
 402         }
 403         *toset = m_selection_box;
 404         return true;
 405 }
 406
 407 const v3f GenericCAO::getPosition() const
 408 {
 409         if (!getParent())
 410                 return pos_translator.val_current;
 411
 412         // Calculate real position in world based on MatrixNode
 413         if (m_matrixnode) {
 414                 v3s16 camera_offset = m_env->getCameraOffset();
 415                 return m_matrixnode->getAbsolutePosition() +
 416                                 intToFloat(camera_offset, BS);
 417         }
 418
 419         return m_position;
 420 }
 421
 422 const bool GenericCAO::isImmortal()
 423 {
 424         return itemgroup_get(getGroups(), "immortal");
 425 }
 426
 427 scene::ISceneNode *GenericCAO::getSceneNode() const
 428 {
 429         if (m_meshnode) {
 430                 return m_meshnode;
 431         }
 432
 433         if (m_animated_meshnode) {
 434                 return m_animated_meshnode;
 435         }
 436
 437         if (m_wield_meshnode) {
 438                 return m_wield_meshnode;
 439         }
 440
 441         if (m_spritenode) {
 442                 return m_spritenode;
 443         }
 444         return NULL;
 445 }
 446
 447 scene::IAnimatedMeshSceneNode *GenericCAO::getAnimatedMeshSceneNode() const
 448 {
 449         return m_animated_meshnode;
 450 }
 451
 452 void GenericCAO::setChildrenVisible(bool toset)
 453 {
 454         for (u16 cao_id : m_attachment_child_ids) {
 455                 GenericCAO *obj = m_env->getGenericCAO(cao_id);
 456                 if (obj) {
 457                         obj->setVisible(toset);
 458                 }
 459         }
 460 }
 461
 462 void GenericCAO::setAttachment(int parent_id, const std::string &bone, v3f position, v3f rotation)
 463 {
 464         int old_parent = m_attachment_parent_id;
 465         m_attachment_parent_id = parent_id;
 466         m_attachment_bone = bone;
 467         m_attachment_position = position;
 468         m_attachment_rotation = rotation;
 469
 470         ClientActiveObject *parent = m_env->getActiveObject(parent_id);
 471
 472         if (parent_id != old_parent) {
 473                 if (auto *o = m_env->getActiveObject(old_parent))
 474                         o->removeAttachmentChild(m_id);
 475                 if (parent)
 476                         parent->addAttachmentChild(m_id);
 477         }
 478
 479         updateAttachments();
 480 }
 481
 482 void GenericCAO::getAttachment(int *parent_id, std::string *bone, v3f *position,
 483         v3f *rotation) const
 484 {
 485         *parent_id = m_attachment_parent_id;
 486         *bone = m_attachment_bone;
 487         *position = m_attachment_position;
 488         *rotation = m_attachment_rotation;
 489 }
 490
 491 void GenericCAO::clearChildAttachments()
 492 {
 493         // Cannot use for-loop here: setAttachment() modifies 'm_attachment_child_ids'!
 494         while (!m_attachment_child_ids.empty()) {
 495                 int child_id = *m_attachment_child_ids.begin();
 496
 497                 if (ClientActiveObject *child = m_env->getActiveObject(child_id))
 498                         child->setAttachment(0, "", v3f(), v3f());
 499
 500                 removeAttachmentChild(child_id);
 501         }
 502 }
 503
 504 void GenericCAO::clearParentAttachment()
 505 {
 506         if (m_attachment_parent_id)
 507                 setAttachment(0, "", m_attachment_position, m_attachment_rotation);
 508         else
 509                 setAttachment(0, "", v3f(), v3f());
 510 }
 511
 512 void GenericCAO::addAttachmentChild(int child_id)
 513 {
 514         m_attachment_child_ids.insert(child_id);
 515 }
 516
 517 void GenericCAO::removeAttachmentChild(int child_id)
 518 {
 519         m_attachment_child_ids.erase(child_id);
 520 }
 521
 522 ClientActiveObject* GenericCAO::getParent() const
 523 {
 524         return m_attachment_parent_id ? m_env->getActiveObject(m_attachment_parent_id) :
 525                         nullptr;
 526 }
 527
 528 void GenericCAO::removeFromScene(bool permanent)
 529 {
 530         // Should be true when removing the object permanently
 531         // and false when refreshing (eg: updating visuals)
 532         if (m_env && permanent) {
 533                 // The client does not know whether this object does re-appear to
 534                 // a later time, thus do not clear child attachments.
 535
 536                 clearParentAttachment();
 537         }
 538
 539         if (m_meshnode) {
 540                 m_meshnode->remove();
 541                 m_meshnode->drop();
 542                 m_meshnode = nullptr;
 543         } else if (m_animated_meshnode) {
 544                 m_animated_meshnode->remove();
 545                 m_animated_meshnode->drop();
 546                 m_animated_meshnode = nullptr;
 547         } else if (m_wield_meshnode) {
 548                 m_wield_meshnode->remove();
 549                 m_wield_meshnode->drop();
 550                 m_wield_meshnode = nullptr;
 551         } else if (m_spritenode) {
 552                 m_spritenode->remove();
 553                 m_spritenode->drop();
 554                 m_spritenode = nullptr;
 555         }
 556
 557         if (m_matrixnode) {
 558                 m_matrixnode->remove();
 559                 m_matrixnode->drop();
 560                 m_matrixnode = nullptr;
 561         }
 562
 563         if (m_nametag) {
 564                 m_client->getCamera()->removeNametag(m_nametag);
 565                 m_nametag = nullptr;
 566         }
 567 }
 568
 569 void GenericCAO::addToScene(ITextureSource *tsrc)
 570 {
 571         m_smgr = RenderingEngine::get_scene_manager();
 572
 573         if (getSceneNode() != NULL) {
 574                 return;
 575         }
 576
 577         m_visuals_expired = false;
 578
 579         if (!m_prop.is_visible)
 580                 return;
 581
 582         infostream << "GenericCAO::addToScene(): " << m_prop.visual << std::endl;
 583
 584         if (m_enable_shaders) {
 585                 IShaderSource *shader_source = m_client->getShaderSource();
 586                 u32 shader_id = shader_source->getShader(
 587                                 "object_shader",
 588                                 TILE_MATERIAL_BASIC,
 589                                 NDT_NORMAL);
 590                 m_material_type = shader_source->getShaderInfo(shader_id).material;
 591         } else {
 592                 m_material_type = (m_prop.use_texture_alpha) ?
 593                         video::EMT_TRANSPARENT_ALPHA_CHANNEL : video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
 594         }
 595
 596         auto grabMatrixNode = [this] {
 597                 m_matrixnode = RenderingEngine::get_scene_manager()->
 598                                 addDummyTransformationSceneNode();
 599                 m_matrixnode->grab();
 600         };
 601
 602         auto setSceneNodeMaterial = [this] (scene::ISceneNode *node) {
 603                 node->setMaterialFlag(video::EMF_LIGHTING, false);
 604                 node->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
 605                 node->setMaterialFlag(video::EMF_FOG_ENABLE, true);
 606                 node->setMaterialType(m_material_type);
 607
 608                 if (m_enable_shaders) {
 609                         node->setMaterialFlag(video::EMF_GOURAUD_SHADING, false);
 610                         node->setMaterialFlag(video::EMF_NORMALIZE_NORMALS, true);
 611                 }
 612         };
 613
 614         if (m_prop.visual == "sprite") {
 615                 grabMatrixNode();
 616                 m_spritenode = RenderingEngine::get_scene_manager()->addBillboardSceneNode(
 617                                 m_matrixnode, v2f(1, 1), v3f(0,0,0), -1);
 618                 m_spritenode->grab();
 619                 m_spritenode->setMaterialTexture(0,
 620                                 tsrc->getTextureForMesh("unknown_node.png"));
 621
 622                 setSceneNodeMaterial(m_spritenode);
 623
 624                 m_spritenode->setSize(v2f(m_prop.visual_size.X,
 625                                 m_prop.visual_size.Y) * BS);
 626                 {
 627                         const float txs = 1.0 / 1;
 628                         const float tys = 1.0 / 1;
 629                         setBillboardTextureMatrix(m_spritenode,
 630                                         txs, tys, 0, 0);
 631                 }
 632         } else if (m_prop.visual == "upright_sprite") {
 633                 grabMatrixNode();
 634                 scene::SMesh *mesh = new scene::SMesh();
 635                 double dx = BS * m_prop.visual_size.X / 2;
 636                 double dy = BS * m_prop.visual_size.Y / 2;
 637                 video::SColor c(0xFFFFFFFF);
 638
 639                 { // Front
 640                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 641                         video::S3DVertex vertices[4] = {
 642                                 video::S3DVertex(-dx, -dy, 0, 0,0,1, c, 1,1),
 643                                 video::S3DVertex( dx, -dy, 0, 0,0,1, c, 0,1),
 644                                 video::S3DVertex( dx,  dy, 0, 0,0,1, c, 0,0),
 645                                 video::S3DVertex(-dx,  dy, 0, 0,0,1, c, 1,0),
 646                         };
 647                         if (m_is_player) {
 648                                 // Move minimal Y position to 0 (feet position)
 649                                 for (video::S3DVertex &vertex : vertices)
 650                                         vertex.Pos.Y += dy;
 651                         }
 652                         u16 indices[] = {0,1,2,2,3,0};
 653                         buf->append(vertices, 4, indices, 6);
 654                         // Set material
 655                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 656                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 657                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 658                         buf->getMaterial().MaterialType = m_material_type;
 659
 660                         if (m_enable_shaders) {
 661                                 buf->getMaterial().EmissiveColor = c;
 662                                 buf->getMaterial().setFlag(video::EMF_GOURAUD_SHADING, false);
 663                                 buf->getMaterial().setFlag(video::EMF_NORMALIZE_NORMALS, true);
 664                         }
 665
 666                         // Add to mesh
 667                         mesh->addMeshBuffer(buf);
 668                         buf->drop();
 669                 }
 670                 { // Back
 671                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
 672                         video::S3DVertex vertices[4] = {
 673                                 video::S3DVertex( dx,-dy, 0, 0,0,-1, c, 1,1),
 674                                 video::S3DVertex(-dx,-dy, 0, 0,0,-1, c, 0,1),
 675                                 video::S3DVertex(-dx, dy, 0, 0,0,-1, c, 0,0),
 676                                 video::S3DVertex( dx, dy, 0, 0,0,-1, c, 1,0),
 677                         };
 678                         if (m_is_player) {
 679                                 // Move minimal Y position to 0 (feet position)
 680                                 for (video::S3DVertex &vertex : vertices)
 681                                         vertex.Pos.Y += dy;
 682                         }
 683                         u16 indices[] = {0,1,2,2,3,0};
 684                         buf->append(vertices, 4, indices, 6);
 685                         // Set material
 686                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
 687                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
 688                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
 689                         buf->getMaterial().MaterialType = m_material_type;
 690
 691                         if (m_enable_shaders) {
 692                                 buf->getMaterial().EmissiveColor = c;
 693                                 buf->getMaterial().setFlag(video::EMF_GOURAUD_SHADING, false);
 694                                 buf->getMaterial().setFlag(video::EMF_NORMALIZE_NORMALS, true);
 695                         }
 696
 697                         // Add to mesh
 698                         mesh->addMeshBuffer(buf);
 699                         buf->drop();
 700                 }
 701                 m_meshnode = RenderingEngine::get_scene_manager()->
 702                         addMeshSceneNode(mesh, m_matrixnode);
 703                 m_meshnode->grab();
 704                 mesh->drop();
 705                 // Set it to use the materials of the meshbuffers directly.
 706                 // This is needed for changing the texture in the future
 707                 m_meshnode->setReadOnlyMaterials(true);
 708         } else if (m_prop.visual == "cube") {
 709                 grabMatrixNode();
 710                 scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
 711                 m_meshnode = RenderingEngine::get_scene_manager()->
 712                         addMeshSceneNode(mesh, m_matrixnode);
 713                 m_meshnode->grab();
 714                 mesh->drop();
 715
 716                 m_meshnode->setScale(m_prop.visual_size);
 717
 718                 setSceneNodeMaterial(m_meshnode);
 719         } else if (m_prop.visual == "mesh") {
 720                 grabMatrixNode();
 721                 scene::IAnimatedMesh *mesh = m_client->getMesh(m_prop.mesh, true);
 722                 if (mesh) {
 723                         m_animated_meshnode = RenderingEngine::get_scene_manager()->
 724                                 addAnimatedMeshSceneNode(mesh, m_matrixnode);
 725                         m_animated_meshnode->grab();
 726                         mesh->drop(); // The scene node took hold of it
 727                         m_animated_meshnode->animateJoints(); // Needed for some animations
 728                         m_animated_meshnode->setScale(m_prop.visual_size);
 729
 730                         // set vertex colors to ensure alpha is set
 731                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(0xFFFFFFFF));
 732
 733                         setAnimatedMeshColor(m_animated_meshnode, video::SColor(0xFFFFFFFF));
 734
 735                         setSceneNodeMaterial(m_animated_meshnode);
 736
 737                         m_animated_meshnode->setMaterialFlag(video::EMF_BACK_FACE_CULLING,
 738                                 m_prop.backface_culling);
 739                 } else
 740                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
 741         } else if (m_prop.visual == "wielditem" || m_prop.visual == "item") {
 742                 grabMatrixNode();
 743                 ItemStack item;
 744                 if (m_prop.wield_item.empty()) {
 745                         // Old format, only textures are specified.
 746                         infostream << "textures: " << m_prop.textures.size() << std::endl;
 747                         if (!m_prop.textures.empty()) {
 748                                 infostream << "textures[0]: " << m_prop.textures[0]
 749                                         << std::endl;
 750                                 IItemDefManager *idef = m_client->idef();
 751                                 item = ItemStack(m_prop.textures[0], 1, 0, idef);
 752                         }
 753                 } else {
 754                         infostream << "serialized form: " << m_prop.wield_item << std::endl;
 755                         item.deSerialize(m_prop.wield_item, m_client->idef());
 756                 }
 757                 m_wield_meshnode = new WieldMeshSceneNode(
 758                         RenderingEngine::get_scene_manager(), -1);
 759                 m_wield_meshnode->setItem(item, m_client,
 760                         (m_prop.visual == "wielditem"));
 761
 762                 m_wield_meshnode->setScale(m_prop.visual_size / 2.0f);
 763                 m_wield_meshnode->setColor(video::SColor(0xFFFFFFFF));
 764         } else {
 765                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
 766                                 <<"\" not supported"<<std::endl;
 767         }
 768
 769         /* don't update while punch texture modifier is active */
 770         if (m_reset_textures_timer < 0)
 771                 updateTextures(m_current_texture_modifier);
 772
 773         scene::ISceneNode *node = getSceneNode();
 774
 775         if (node && m_matrixnode)
 776                 node->setParent(m_matrixnode);
 777
 778         if (node && !m_prop.nametag.empty() && !m_is_local_player) {
 779                 // Add nametag
 780                 v3f pos;
 781                 pos.Y = m_prop.selectionbox.MaxEdge.Y + 0.3f;
 782                 m_nametag = m_client->getCamera()->addNametag(node,
 783                         m_prop.nametag, m_prop.nametag_color,
 784                         pos);
 785         }
 786
 787         updateNodePos();
 788         updateAnimation();
 789         updateBonePosition();
 790         updateAttachments();
 791         setNodeLight(m_last_light);
 792 }
 793
 794 void GenericCAO::updateLight(u8 light_at_pos)
 795 {
 796         // Don't update light of attached one
 797         if (getParent() != NULL) {
 798                 return;
 799         }
 800
 801         updateLightNoCheck(light_at_pos);
 802
 803         // Update light of all children
 804         for (u16 i : m_attachment_child_ids) {
 805                 ClientActiveObject *obj = m_env->getActiveObject(i);
 806                 if (obj) {
 807                         obj->updateLightNoCheck(light_at_pos);
 808                 }
 809         }
 810 }
 811
 812 void GenericCAO::updateLightNoCheck(u8 light_at_pos)
 813 {
 814         if (m_glow < 0)
 815                 return;
 816
 817         u8 li = decode_light(light_at_pos + m_glow);
 818
 819         if (li != m_last_light) {
 820                 m_last_light = li;
 821                 setNodeLight(li);
 822         }
 823 }
 824
 825 void GenericCAO::setNodeLight(u8 light)
 826 {
 827         video::SColor color(255, light, light, light);
 828
 829         if (m_prop.visual == "wielditem" || m_prop.visual == "item") {
 830                 // Since these types of visuals are using their own shader
 831                 // they should be handled separately
 832                 if (m_wield_meshnode)
 833                         m_wield_meshnode->setColor(color);
 834         } else if (m_enable_shaders) {
 835                 scene::ISceneNode *node = getSceneNode();
 836
 837                 if (node == nullptr)
 838                         return;
 839
 840                 if (m_prop.visual == "upright_sprite") {
 841                         scene::IMesh *mesh = m_meshnode->getMesh();
 842                         for (u32 i = 0; i < mesh->getMeshBufferCount(); ++i) {
 843                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
 844                                 video::SMaterial &material = buf->getMaterial();
 845                                 material.EmissiveColor = color;
 846                         }
 847                 } else {
 848                         for (u32 i = 0; i < node->getMaterialCount(); ++i) {
 849                                 video::SMaterial &material = node->getMaterial(i);
 850                                 material.EmissiveColor = color;
 851                         }
 852                 }
 853         } else {
 854                 if (m_meshnode) {
 855                         setMeshColor(m_meshnode->getMesh(), color);
 856                 } else if (m_animated_meshnode) {
 857                         setAnimatedMeshColor(m_animated_meshnode, color);
 858                 } else if (m_spritenode) {
 859                         m_spritenode->setColor(color);
 860                 }
 861         }
 862 }
 863
 864 v3s16 GenericCAO::getLightPosition()
 865 {
 866         if (m_is_player)
 867                 return floatToInt(m_position + v3f(0, 0.5 * BS, 0), BS);
 868
 869         return floatToInt(m_position, BS);
 870 }
 871
 872 void GenericCAO::updateNodePos()
 873 {
 874         if (getParent() != NULL)
 875                 return;
 876
 877         scene::ISceneNode *node = getSceneNode();
 878
 879         if (node) {
 880                 v3s16 camera_offset = m_env->getCameraOffset();
 881                 v3f pos = pos_translator.val_current -
 882                                 intToFloat(camera_offset, BS);
 883                 getPosRotMatrix().setTranslation(pos);
 884                 if (node != m_spritenode) { // rotate if not a sprite
 885                         v3f rot = m_is_local_player ? -m_rotation : -rot_translator.val_current;
 886                         setPitchYawRoll(getPosRotMatrix(), rot);
 887                 }
 888         }
 889 }
 890
 891 void GenericCAO::step(float dtime, ClientEnvironment *env)
 892 {
 893         // Handle model animations and update positions instantly to prevent lags
 894         if (m_is_local_player) {
 895                 LocalPlayer *player = m_env->getLocalPlayer();
 896                 m_position = player->getPosition();
 897                 pos_translator.val_current = m_position;
 898                 m_rotation.Y = wrapDegrees_0_360(player->getYaw());
 899                 rot_translator.val_current = m_rotation;
 900
 901                 if (m_is_visible) {
 902                         int old_anim = player->last_animation;
 903                         float old_anim_speed = player->last_animation_speed;
 904                         m_velocity = v3f(0,0,0);
 905                         m_acceleration = v3f(0,0,0);
 906                         const PlayerControl &controls = player->getPlayerControl();
 907
 908                         bool walking = false;
 909                         if (controls.up || controls.down || controls.left || controls.right ||
 910                                         controls.forw_move_joystick_axis != 0.f ||
 911                                         controls.sidew_move_joystick_axis != 0.f)
 912                                 walking = true;
 913
 914                         f32 new_speed = player->local_animation_speed;
 915                         v2s32 new_anim = v2s32(0,0);
 916                         bool allow_update = false;
 917
 918                         // increase speed if using fast or flying fast
 919                         if((g_settings->getBool("fast_move") &&
 920                                         m_client->checkLocalPrivilege("fast")) &&
 921                                         (controls.aux1 ||
 922                                         (!player->touching_ground &&
 923                                         g_settings->getBool("free_move") &&
 924                                         m_client->checkLocalPrivilege("fly"))))
 925                                         new_speed *= 1.5;
 926                         // slowdown speed if sneeking
 927                         if (controls.sneak && walking)
 928                                 new_speed /= 2;
 929
 930                         if (walking && (controls.LMB || controls.RMB)) {
 931                                 new_anim = player->local_animations[3];
 932                                 player->last_animation = WD_ANIM;
 933                         } else if(walking) {
 934                                 new_anim = player->local_animations[1];
 935                                 player->last_animation = WALK_ANIM;
 936                         } else if(controls.LMB || controls.RMB) {
 937                                 new_anim = player->local_animations[2];
 938                                 player->last_animation = DIG_ANIM;
 939                         }
 940
 941                         // Apply animations if input detected and not attached
 942                         // or set idle animation
 943                         if ((new_anim.X + new_anim.Y) > 0 && !getParent()) {
 944                                 allow_update = true;
 945                                 m_animation_range = new_anim;
 946                                 m_animation_speed = new_speed;
 947                                 player->last_animation_speed = m_animation_speed;
 948                         } else {
 949                                 player->last_animation = NO_ANIM;
 950
 951                                 if (old_anim != NO_ANIM) {
 952                                         m_animation_range = player->local_animations[0];
 953                                         updateAnimation();
 954                                 }
 955                         }
 956
 957                         // Update local player animations
 958                         if ((player->last_animation != old_anim ||
 959                                 m_animation_speed != old_anim_speed) &&
 960                                 player->last_animation != NO_ANIM && allow_update)
 961                                         updateAnimation();
 962
 963                 }
 964         }
 965
 966         if (m_visuals_expired && m_smgr) {
 967                 m_visuals_expired = false;
 968
 969                 // Attachments, part 1: All attached objects must be unparented first,
 970                 // or Irrlicht causes a segmentation fault
 971                 for (u16 cao_id : m_attachment_child_ids) {
 972                         ClientActiveObject *obj = m_env->getActiveObject(cao_id);
 973                         if (obj) {
 974                                 scene::ISceneNode *child_node = obj->getSceneNode();
 975                                 // The node's parent is always an IDummyTraformationSceneNode,
 976                                 // so we need to reparent that one instead.
 977                                 if (child_node)
 978                                         child_node->getParent()->setParent(m_smgr->getRootSceneNode());
 979                         }
 980                 }
 981
 982                 removeFromScene(false);
 983                 addToScene(m_client->tsrc());
 984
 985                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
 986                 for (u16 cao_id : m_attachment_child_ids) {
 987                         ClientActiveObject *obj = m_env->getActiveObject(cao_id);
 988                         if (obj)
 989                                 obj->updateAttachments();
 990                 }
 991         }
 992
 993         // Make sure m_is_visible is always applied
 994         scene::ISceneNode *node = getSceneNode();
 995         if (node)
 996                 node->setVisible(m_is_visible);
 997
 998         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
 999         {
1000                 // Set these for later
1001                 m_position = getPosition();
1002                 m_velocity = v3f(0,0,0);
1003                 m_acceleration = v3f(0,0,0);
1004                 pos_translator.val_current = m_position;
1005                 pos_translator.val_target = m_position;
1006         } else {
1007                 rot_translator.translate(dtime);
1008                 v3f lastpos = pos_translator.val_current;
1009
1010                 if(m_prop.physical)
1011                 {
1012                         aabb3f box = m_prop.collisionbox;
1013                         box.MinEdge *= BS;
1014                         box.MaxEdge *= BS;
1015                         collisionMoveResult moveresult;
1016                         f32 pos_max_d = BS*0.125; // Distance per iteration
1017                         v3f p_pos = m_position;
1018                         v3f p_velocity = m_velocity;
1019                         moveresult = collisionMoveSimple(env,env->getGameDef(),
1020                                         pos_max_d, box, m_prop.stepheight, dtime,
1021                                         &p_pos, &p_velocity, m_acceleration,
1022                                         this, m_prop.collideWithObjects);
1023                         // Apply results
1024                         m_position = p_pos;
1025                         m_velocity = p_velocity;
1026
1027                         bool is_end_position = moveresult.collides;
1028                         pos_translator.update(m_position, is_end_position, dtime);
1029                 } else {
1030                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
1031                         m_velocity += dtime * m_acceleration;
1032                         pos_translator.update(m_position, pos_translator.aim_is_end,
1033                                         pos_translator.anim_time);
1034                 }
1035                 pos_translator.translate(dtime);
1036                 updateNodePos();
1037
1038                 float moved = lastpos.getDistanceFrom(pos_translator.val_current);
1039                 m_step_distance_counter += moved;
1040                 if (m_step_distance_counter > 1.5f * BS) {
1041                         m_step_distance_counter = 0.0f;
1042                         if (!m_is_local_player && m_prop.makes_footstep_sound) {
1043                                 const NodeDefManager *ndef = m_client->ndef();
1044                                 v3s16 p = floatToInt(getPosition() +
1045                                         v3f(0.0f, (m_prop.collisionbox.MinEdge.Y - 0.5f) * BS, 0.0f), BS);
1046                                 MapNode n = m_env->getMap().getNode(p);
1047                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
1048                                 // Reduce footstep gain, as non-local-player footsteps are
1049                                 // somehow louder.
1050                                 spec.gain *= 0.6f;
1051                                 m_client->sound()->playSoundAt(spec, false, getPosition());
1052                         }
1053                 }
1054         }
1055
1056         m_anim_timer += dtime;
1057         if(m_anim_timer >= m_anim_framelength)
1058         {
1059                 m_anim_timer -= m_anim_framelength;
1060                 m_anim_frame++;
1061                 if(m_anim_frame >= m_anim_num_frames)
1062                         m_anim_frame = 0;
1063         }
1064
1065         updateTexturePos();
1066
1067         if(m_reset_textures_timer >= 0)
1068         {
1069                 m_reset_textures_timer -= dtime;
1070                 if(m_reset_textures_timer <= 0) {
1071                         m_reset_textures_timer = -1;
1072                         updateTextures(m_previous_texture_modifier);
1073                 }
1074         }
1075         if (!getParent() && std::fabs(m_prop.automatic_rotate) > 0.001) {
1076                 m_rotation.Y += dtime * m_prop.automatic_rotate * 180 / M_PI;
1077                 rot_translator.val_current = m_rotation;
1078                 updateNodePos();
1079         }
1080
1081         if (!getParent() && m_prop.automatic_face_movement_dir &&
1082                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001)) {
1083                 float target_yaw = atan2(m_velocity.Z, m_velocity.X) * 180 / M_PI
1084                                 + m_prop.automatic_face_movement_dir_offset;
1085                 float max_rotation_per_sec =
1086                                 m_prop.automatic_face_movement_max_rotation_per_sec;
1087
1088                 if (max_rotation_per_sec > 0) {
1089                         wrappedApproachShortest(m_rotation.Y, target_yaw,
1090                                 dtime * max_rotation_per_sec, 360.f);
1091                 } else {
1092                         // Negative values of max_rotation_per_sec mean disabled.
1093                         m_rotation.Y = target_yaw;
1094                 }
1095
1096                 rot_translator.val_current = m_rotation;
1097                 updateNodePos();
1098         }
1099 }
1100
1101 void GenericCAO::updateTexturePos()
1102 {
1103         if(m_spritenode)
1104         {
1105                 scene::ICameraSceneNode* camera =
1106                                 m_spritenode->getSceneManager()->getActiveCamera();
1107                 if(!camera)
1108                         return;
1109                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1110                                 - camera->getAbsolutePosition();
1111                 cam_to_entity.normalize();
1112
1113                 int row = m_tx_basepos.Y;
1114                 int col = m_tx_basepos.X;
1115
1116                 if (m_tx_select_horiz_by_yawpitch) {
1117                         if (cam_to_entity.Y > 0.75)
1118                                 col += 5;
1119                         else if (cam_to_entity.Y < -0.75)
1120                                 col += 4;
1121                         else {
1122                                 float mob_dir =
1123                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1124                                 float dir = mob_dir - m_rotation.Y;
1125                                 dir = wrapDegrees_180(dir);
1126                                 if (std::fabs(wrapDegrees_180(dir - 0)) <= 45.1f)
1127                                         col += 2;
1128                                 else if(std::fabs(wrapDegrees_180(dir - 90)) <= 45.1f)
1129                                         col += 3;
1130                                 else if(std::fabs(wrapDegrees_180(dir - 180)) <= 45.1f)
1131                                         col += 0;
1132                                 else if(std::fabs(wrapDegrees_180(dir + 90)) <= 45.1f)
1133                                         col += 1;
1134                                 else
1135                                         col += 4;
1136                         }
1137                 }
1138
1139                 // Animation goes downwards
1140                 row += m_anim_frame;
1141
1142                 float txs = m_tx_size.X;
1143                 float tys = m_tx_size.Y;
1144                 setBillboardTextureMatrix(m_spritenode, txs, tys, col, row);
1145         }
1146 }
1147
1148 // Do not pass by reference, see header.
1149 void GenericCAO::updateTextures(std::string mod)
1150 {
1151         ITextureSource *tsrc = m_client->tsrc();
1152
1153         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1154         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1155         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1156
1157         m_previous_texture_modifier = m_current_texture_modifier;
1158         m_current_texture_modifier = mod;
1159         m_glow = m_prop.glow;
1160
1161         if (m_spritenode) {
1162                 if (m_prop.visual == "sprite") {
1163                         std::string texturestring = "unknown_node.png";
1164                         if (!m_prop.textures.empty())
1165                                 texturestring = m_prop.textures[0];
1166                         texturestring += mod;
1167                         m_spritenode->getMaterial(0).MaterialType = m_material_type;
1168                         m_spritenode->getMaterial(0).MaterialTypeParam = 0.5f;
1169                         m_spritenode->setMaterialTexture(0,
1170                                         tsrc->getTextureForMesh(texturestring));
1171
1172                         // This allows setting per-material colors. However, until a real lighting
1173                         // system is added, the code below will have no effect. Once MineTest
1174                         // has directional lighting, it should work automatically.
1175                         if (!m_prop.colors.empty()) {
1176                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1177                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1178                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1179                         }
1180
1181                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1182                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1183                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1184                 }
1185         }
1186
1187         if (m_animated_meshnode) {
1188                 if (m_prop.visual == "mesh") {
1189                         for (u32 i = 0; i < m_prop.textures.size() &&
1190                                         i < m_animated_meshnode->getMaterialCount(); ++i) {
1191                                 std::string texturestring = m_prop.textures[i];
1192                                 if (texturestring.empty())
1193                                         continue; // Empty texture string means don't modify that material
1194                                 texturestring += mod;
1195                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1196                                 if (!texture) {
1197                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1198                                         continue;
1199                                 }
1200
1201                                 // Set material flags and texture
1202                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1203                                 material.MaterialType = m_material_type;
1204                                 material.MaterialTypeParam = 0.5f;
1205                                 material.TextureLayer[0].Texture = texture;
1206                                 material.setFlag(video::EMF_LIGHTING, true);
1207                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1208                                 material.setFlag(video::EMF_BACK_FACE_CULLING, m_prop.backface_culling);
1209
1210                                 // don't filter low-res textures, makes them look blurry
1211                                 // player models have a res of 64
1212                                 const core::dimension2d<u32> &size = texture->getOriginalSize();
1213                                 const u32 res = std::min(size.Height, size.Width);
1214                                 use_trilinear_filter &= res > 64;
1215                                 use_bilinear_filter &= res > 64;
1216
1217                                 m_animated_meshnode->getMaterial(i)
1218                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1219                                 m_animated_meshnode->getMaterial(i)
1220                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1221                                 m_animated_meshnode->getMaterial(i)
1222                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1223                         }
1224                         for (u32 i = 0; i < m_prop.colors.size() &&
1225                         i < m_animated_meshnode->getMaterialCount(); ++i)
1226                         {
1227                                 // This allows setting per-material colors. However, until a real lighting
1228                                 // system is added, the code below will have no effect. Once MineTest
1229                                 // has directional lighting, it should work automatically.
1230                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1231                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1232                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1233                         }
1234                 }
1235         }
1236         if(m_meshnode)
1237         {
1238                 if(m_prop.visual == "cube")
1239                 {
1240                         for (u32 i = 0; i < 6; ++i)
1241                         {
1242                                 std::string texturestring = "unknown_node.png";
1243                                 if(m_prop.textures.size() > i)
1244                                         texturestring = m_prop.textures[i];
1245                                 texturestring += mod;
1246
1247
1248                                 // Set material flags and texture
1249                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1250                                 material.MaterialType = m_material_type;
1251                                 material.MaterialTypeParam = 0.5f;
1252                                 material.setFlag(video::EMF_LIGHTING, false);
1253                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1254                                 material.setTexture(0,
1255                                                 tsrc->getTextureForMesh(texturestring));
1256                                 material.getTextureMatrix(0).makeIdentity();
1257
1258                                 // This allows setting per-material colors. However, until a real lighting
1259                                 // system is added, the code below will have no effect. Once MineTest
1260                                 // has directional lighting, it should work automatically.
1261                                 if(m_prop.colors.size() > i)
1262                                 {
1263                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1264                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1265                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1266                                 }
1267
1268                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1269                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1270                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1271                         }
1272                 } else if (m_prop.visual == "upright_sprite") {
1273                         scene::IMesh *mesh = m_meshnode->getMesh();
1274                         {
1275                                 std::string tname = "unknown_object.png";
1276                                 if (!m_prop.textures.empty())
1277                                         tname = m_prop.textures[0];
1278                                 tname += mod;
1279                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1280                                 buf->getMaterial().setTexture(0,
1281                                                 tsrc->getTextureForMesh(tname));
1282
1283                                 // This allows setting per-material colors. However, until a real lighting
1284                                 // system is added, the code below will have no effect. Once MineTest
1285                                 // has directional lighting, it should work automatically.
1286                                 if(!m_prop.colors.empty()) {
1287                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1288                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1289                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1290                                 }
1291
1292                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1293                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1294                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1295                         }
1296                         {
1297                                 std::string tname = "unknown_object.png";
1298                                 if (m_prop.textures.size() >= 2)
1299                                         tname = m_prop.textures[1];
1300                                 else if (!m_prop.textures.empty())
1301                                         tname = m_prop.textures[0];
1302                                 tname += mod;
1303                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1304                                 buf->getMaterial().setTexture(0,
1305                                                 tsrc->getTextureForMesh(tname));
1306
1307                                 // This allows setting per-material colors. However, until a real lighting
1308                                 // system is added, the code below will have no effect. Once MineTest
1309                                 // has directional lighting, it should work automatically.
1310                                 if (m_prop.colors.size() >= 2) {
1311                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1312                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1313                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1314                                 } else if (!m_prop.colors.empty()) {
1315                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1316                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1317                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1318                                 }
1319
1320                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1321                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1322                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1323                         }
1324                         // Set mesh color (only if lighting is disabled)
1325                         if (!m_prop.colors.empty() && m_glow < 0)
1326                                 setMeshColor(mesh, m_prop.colors[0]);
1327                 }
1328         }
1329 }
1330
1331 void GenericCAO::updateAnimation()
1332 {
1333         if (!m_animated_meshnode)
1334                 return;
1335
1336         if (m_animated_meshnode->getStartFrame() != m_animation_range.X ||
1337                 m_animated_meshnode->getEndFrame() != m_animation_range.Y)
1338                         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1339         if (m_animated_meshnode->getAnimationSpeed() != m_animation_speed)
1340                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1341         m_animated_meshnode->setTransitionTime(m_animation_blend);
1342 // Requires Irrlicht 1.8 or greater
1343 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR > 1
1344         if (m_animated_meshnode->getLoopMode() != m_animation_loop)
1345                 m_animated_meshnode->setLoopMode(m_animation_loop);
1346 #endif
1347 }
1348
1349 void GenericCAO::updateAnimationSpeed()
1350 {
1351         if (!m_animated_meshnode)
1352                 return;
1353
1354         m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1355 }
1356
1357 void GenericCAO::updateBonePosition()
1358 {
1359         if (m_bone_position.empty() || !m_animated_meshnode)
1360                 return;
1361
1362         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1363         for(std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
1364                         ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
1365                 std::string bone_name = (*ii).first;
1366                 v3f bone_pos = (*ii).second.X;
1367                 v3f bone_rot = (*ii).second.Y;
1368                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1369                 if(bone)
1370                 {
1371                         bone->setPosition(bone_pos);
1372                         bone->setRotation(bone_rot);
1373                 }
1374         }
1375 }
1376
1377 void GenericCAO::updateAttachments()
1378 {
1379         ClientActiveObject *parent = getParent();
1380
1381         m_attached_to_local = parent && parent->isLocalPlayer();
1382
1383         /*
1384         Following cases exist:
1385                 m_attachment_parent_id == 0 && !parent
1386                         This object is not attached
1387                 m_attachment_parent_id != 0 && parent
1388                         This object is attached
1389                 m_attachment_parent_id != 0 && !parent
1390                         This object will be attached as soon the parent is known
1391                 m_attachment_parent_id == 0 && parent
1392                         Impossible case
1393         */
1394
1395         if (!parent) { // Detach or don't attach
1396                 if (m_matrixnode) {
1397                         v3f old_pos = getPosition();
1398
1399                         m_matrixnode->setParent(m_smgr->getRootSceneNode());
1400                         getPosRotMatrix().setTranslation(old_pos);
1401                         m_matrixnode->updateAbsolutePosition();
1402                 }
1403         }
1404         else // Attach
1405         {
1406                 scene::ISceneNode *parent_node = parent->getSceneNode();
1407                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1408                                 parent->getAnimatedMeshSceneNode();
1409                 if (parent_animated_mesh_node && !m_attachment_bone.empty()) {
1410                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1411                 }
1412
1413                 if (m_matrixnode && parent_node) {
1414                         m_matrixnode->setParent(parent_node);
1415                         getPosRotMatrix().setTranslation(m_attachment_position);
1416                         //setPitchYawRoll(getPosRotMatrix(), m_attachment_rotation);
1417                         // use Irrlicht eulers instead
1418                         getPosRotMatrix().setRotationDegrees(m_attachment_rotation);
1419                         m_matrixnode->updateAbsolutePosition();
1420                 }
1421         }
1422 }
1423
1424 void GenericCAO::processMessage(const std::string &data)
1425 {
1426         //infostream<<"GenericCAO: Got message"<<std::endl;
1427         std::istringstream is(data, std::ios::binary);
1428         // command
1429         u8 cmd = readU8(is);
1430         if (cmd == GENERIC_CMD_SET_PROPERTIES) {
1431                 m_prop = gob_read_set_properties(is);
1432
1433                 m_selection_box = m_prop.selectionbox;
1434                 m_selection_box.MinEdge *= BS;
1435                 m_selection_box.MaxEdge *= BS;
1436
1437                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1438                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1439
1440                 if(!m_initial_tx_basepos_set){
1441                         m_initial_tx_basepos_set = true;
1442                         m_tx_basepos = m_prop.initial_sprite_basepos;
1443                 }
1444                 if (m_is_local_player) {
1445                         LocalPlayer *player = m_env->getLocalPlayer();
1446                         player->makes_footstep_sound = m_prop.makes_footstep_sound;
1447                         aabb3f collision_box = m_prop.collisionbox;
1448                         collision_box.MinEdge *= BS;
1449                         collision_box.MaxEdge *= BS;
1450                         player->setCollisionbox(collision_box);
1451                         player->setEyeHeight(m_prop.eye_height);
1452                         player->setZoomFOV(m_prop.zoom_fov);
1453                 }
1454
1455                 if ((m_is_player && !m_is_local_player) && m_prop.nametag.empty())
1456                         m_prop.nametag = m_name;
1457
1458                 expireVisuals();
1459         } else if (cmd == GENERIC_CMD_UPDATE_POSITION) {
1460                 // Not sent by the server if this object is an attachment.
1461                 // We might however get here if the server notices the object being detached before the client.
1462                 m_position = readV3F32(is);
1463                 m_velocity = readV3F32(is);
1464                 m_acceleration = readV3F32(is);
1465
1466                 if (std::fabs(m_prop.automatic_rotate) < 0.001f)
1467                         m_rotation = readV3F32(is);
1468                 else
1469                         readV3F32(is);
1470
1471                 m_rotation = wrapDegrees_0_360_v3f(m_rotation);
1472                 bool do_interpolate = readU8(is);
1473                 bool is_end_position = readU8(is);
1474                 float update_interval = readF32(is);
1475
1476                 // Place us a bit higher if we're physical, to not sink into
1477                 // the ground due to sucky collision detection...
1478                 if(m_prop.physical)
1479                         m_position += v3f(0,0.002,0);
1480
1481                 if(getParent() != NULL) // Just in case
1482                         return;
1483
1484                 if(do_interpolate)
1485                 {
1486                         if(!m_prop.physical)
1487                                 pos_translator.update(m_position, is_end_position, update_interval);
1488                 } else {
1489                         pos_translator.init(m_position);
1490                 }
1491                 rot_translator.update(m_rotation, false, update_interval);
1492                 updateNodePos();
1493         } else if (cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1494                 std::string mod = deSerializeString(is);
1495
1496                 // immediatly reset a engine issued texture modifier if a mod sends a different one
1497                 if (m_reset_textures_timer > 0) {
1498                         m_reset_textures_timer = -1;
1499                         updateTextures(m_previous_texture_modifier);
1500                 }
1501                 updateTextures(mod);
1502         } else if (cmd == GENERIC_CMD_SET_SPRITE) {
1503                 v2s16 p = readV2S16(is);
1504                 int num_frames = readU16(is);
1505                 float framelength = readF32(is);
1506                 bool select_horiz_by_yawpitch = readU8(is);
1507
1508                 m_tx_basepos = p;
1509                 m_anim_num_frames = num_frames;
1510                 m_anim_framelength = framelength;
1511                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1512
1513                 updateTexturePos();
1514         } else if (cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1515                 float override_speed = readF32(is);
1516                 float override_jump = readF32(is);
1517                 float override_gravity = readF32(is);
1518                 // these are sent inverted so we get true when the server sends nothing
1519                 bool sneak = !readU8(is);
1520                 bool sneak_glitch = !readU8(is);
1521                 bool new_move = !readU8(is);
1522
1523
1524                 if(m_is_local_player)
1525                 {
1526                         LocalPlayer *player = m_env->getLocalPlayer();
1527                         player->physics_override_speed = override_speed;
1528                         player->physics_override_jump = override_jump;
1529                         player->physics_override_gravity = override_gravity;
1530                         player->physics_override_sneak = sneak;
1531                         player->physics_override_sneak_glitch = sneak_glitch;
1532                         player->physics_override_new_move = new_move;
1533                 }
1534         } else if (cmd == GENERIC_CMD_SET_ANIMATION) {
1535                 // TODO: change frames send as v2s32 value
1536                 v2f range = readV2F32(is);
1537                 if (!m_is_local_player) {
1538                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1539                         m_animation_speed = readF32(is);
1540                         m_animation_blend = readF32(is);
1541                         // these are sent inverted so we get true when the server sends nothing
1542                         m_animation_loop = !readU8(is);
1543                         updateAnimation();
1544                 } else {
1545                         LocalPlayer *player = m_env->getLocalPlayer();
1546                         if(player->last_animation == NO_ANIM)
1547                         {
1548                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1549                                 m_animation_speed = readF32(is);
1550                                 m_animation_blend = readF32(is);
1551                                 // these are sent inverted so we get true when the server sends nothing
1552                                 m_animation_loop = !readU8(is);
1553                         }
1554                         // update animation only if local animations present
1555                         // and received animation is unknown (except idle animation)
1556                         bool is_known = false;
1557                         for (int i = 1;i<4;i++)
1558                         {
1559                                 if(m_animation_range.Y == player->local_animations[i].Y)
1560                                         is_known = true;
1561                         }
1562                         if(!is_known ||
1563                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1564                         {
1565                                         updateAnimation();
1566                         }
1567                 }
1568         } else if (cmd == GENERIC_CMD_SET_ANIMATION_SPEED) {
1569                 m_animation_speed = readF32(is);
1570                 updateAnimationSpeed();
1571         } else if (cmd == GENERIC_CMD_SET_BONE_POSITION) {
1572                 std::string bone = deSerializeString(is);
1573                 v3f position = readV3F32(is);
1574                 v3f rotation = readV3F32(is);
1575                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1576
1577                 updateBonePosition();
1578         } else if (cmd == GENERIC_CMD_ATTACH_TO) {
1579                 u16 parent_id = readS16(is);
1580                 std::string bone = deSerializeString(is);
1581                 v3f position = readV3F32(is);
1582                 v3f rotation = readV3F32(is);
1583
1584                 setAttachment(parent_id, bone, position, rotation);
1585
1586                 // localplayer itself can't be attached to localplayer
1587                 if (!m_is_local_player)
1588                         m_is_visible = !m_attached_to_local;
1589         } else if (cmd == GENERIC_CMD_PUNCHED) {
1590                 u16 result_hp = readU16(is);
1591
1592                 // Use this instead of the send damage to not interfere with prediction
1593                 s32 damage = (s32)m_hp - (s32)result_hp;
1594
1595                 m_hp = result_hp;
1596
1597                 if (m_is_local_player)
1598                         m_env->getLocalPlayer()->hp = m_hp;
1599
1600                 if (damage > 0)
1601                 {
1602                         if (m_hp == 0)
1603                         {
1604                                 // TODO: Execute defined fast response
1605                                 // As there is no definition, make a smoke puff
1606                                 ClientSimpleObject *simple = createSmokePuff(
1607                                                 m_smgr, m_env, m_position,
1608                                                 v2f(m_prop.visual_size.X, m_prop.visual_size.Y) * BS);
1609                                 m_env->addSimpleObject(simple);
1610                         } else if (m_reset_textures_timer < 0) {
1611                                 // TODO: Execute defined fast response
1612                                 // Flashing shall suffice as there is no definition
1613                                 m_reset_textures_timer = 0.05;
1614                                 if(damage >= 2)
1615                                         m_reset_textures_timer += 0.05 * damage;
1616                                 updateTextures(m_current_texture_modifier + "^[brighten");
1617                         }
1618                 }
1619
1620                 if (m_hp == 0) {
1621                         // Same as 'Server::DiePlayer'
1622                         clearParentAttachment();
1623                         // Same as 'ObjectRef::l_remove'
1624                         if (!m_is_player)
1625                                 clearChildAttachments();
1626                 }
1627         } else if (cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1628                 m_armor_groups.clear();
1629                 int armor_groups_size = readU16(is);
1630                 for(int i=0; i<armor_groups_size; i++)
1631                 {
1632                         std::string name = deSerializeString(is);
1633                         int rating = readS16(is);
1634                         m_armor_groups[name] = rating;
1635                 }
1636         } else if (cmd == GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) {
1637                 // Deprecated, for backwards compatibility only.
1638                 readU8(is); // version
1639                 m_prop.nametag_color = readARGB8(is);
1640                 if (m_nametag != NULL) {
1641                         m_nametag->nametag_color = m_prop.nametag_color;
1642                         v3f pos;
1643                         pos.Y = m_prop.collisionbox.MaxEdge.Y + 0.3f;
1644                         m_nametag->nametag_pos = pos;
1645                 }
1646         } else if (cmd == GENERIC_CMD_SPAWN_INFANT) {
1647                 u16 child_id = readU16(is);
1648                 u8 type = readU8(is); // maybe this will be useful later
1649                 (void)type;
1650
1651                 addAttachmentChild(child_id);
1652         } else {
1653                 warningstream << FUNCTION_NAME
1654                         << ": unknown command or outdated client \""
1655                         << +cmd << "\"" << std::endl;
1656         }
1657 }
1658
1659 /* \pre punchitem != NULL
1660  */
1661 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1662                 float time_from_last_punch)
1663 {
1664         assert(punchitem);      // pre-condition
1665         const ToolCapabilities *toolcap =
1666                         &punchitem->getToolCapabilities(m_client->idef());
1667         PunchDamageResult result = getPunchDamage(
1668                         m_armor_groups,
1669                         toolcap,
1670                         punchitem,
1671                         time_from_last_punch);
1672
1673         if(result.did_punch && result.damage != 0)
1674         {
1675                 if(result.damage < m_hp)
1676                 {
1677                         m_hp -= result.damage;
1678                 } else {
1679                         m_hp = 0;
1680                         // TODO: Execute defined fast response
1681                         // As there is no definition, make a smoke puff
1682                         ClientSimpleObject *simple = createSmokePuff(
1683                                         m_smgr, m_env, m_position,
1684                                         v2f(m_prop.visual_size.X, m_prop.visual_size.Y) * BS);
1685                         m_env->addSimpleObject(simple);
1686                 }
1687                 // TODO: Execute defined fast response
1688                 // Flashing shall suffice as there is no definition
1689                 if (m_reset_textures_timer < 0) {
1690                         m_reset_textures_timer = 0.05;
1691                         if (result.damage >= 2)
1692                                 m_reset_textures_timer += 0.05 * result.damage;
1693                         updateTextures(m_current_texture_modifier + "^[brighten");
1694                 }
1695         }
1696
1697         return false;
1698 }
1699
1700 std::string GenericCAO::debugInfoText()
1701 {
1702         std::ostringstream os(std::ios::binary);
1703         os<<"GenericCAO hp="<<m_hp<<"\n";
1704         os<<"armor={";
1705         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1706                         i != m_armor_groups.end(); ++i)
1707         {
1708                 os<<i->first<<"="<<i->second<<", ";
1709         }
1710         os<<"}";
1711         return os.str();
1712 }
1713
1714 // Prototype
1715 GenericCAO proto_GenericCAO(NULL, NULL);