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Stratum ore: Add option for a constant thickness stratum
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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);
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                         setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
579
580                         bool backface_culling = m_prop.backface_culling;
581                         if (m_is_player)
582                                 backface_culling = false;
583
584                         m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
585                         m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
586                         m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
587                         m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
588                         m_animated_meshnode->setMaterialFlag(video::EMF_BACK_FACE_CULLING, backface_culling);
589                 }
590                 else
591                         errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
592         } else if (m_prop.visual == "wielditem") {
593                 ItemStack item;
594                 infostream << "GenericCAO::addToScene(): wielditem" << std::endl;
595                 if (m_prop.wield_item.empty()) {
596                         // Old format, only textures are specified.
597                         infostream << "textures: " << m_prop.textures.size() << std::endl;
598                         if (!m_prop.textures.empty()) {
599                                 infostream << "textures[0]: " << m_prop.textures[0]
600                                         << std::endl;
601                                 IItemDefManager *idef = m_client->idef();
602                                 item = ItemStack(m_prop.textures[0], 1, 0, idef);
603                         }
604                 } else {
605                         infostream << "serialized form: " << m_prop.wield_item << std::endl;
606                         item.deSerialize(m_prop.wield_item, m_client->idef());
607                 }
608                 m_wield_meshnode = new WieldMeshSceneNode(
609                         RenderingEngine::get_scene_manager(), -1);
610                 m_wield_meshnode->setItem(item, m_client);
611
612                 m_wield_meshnode->setScale(
613                         v3f(m_prop.visual_size.X / 2, m_prop.visual_size.Y / 2,
614                                 m_prop.visual_size.X / 2));
615                 u8 li = m_last_light;
616                 m_wield_meshnode->setColor(video::SColor(255, li, li, li));
617         } else {
618                 infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
619                                 <<"\" not supported"<<std::endl;
620         }
621
622         /* don't update while punch texture modifier is active */
623         if (m_reset_textures_timer < 0)
624                 updateTextures(m_current_texture_modifier);
625
626         scene::ISceneNode *node = getSceneNode();
627         if (node && !m_prop.nametag.empty() && !m_is_local_player) {
628                 // Add nametag
629                 v3f pos;
630                 pos.Y = m_prop.collisionbox.MaxEdge.Y + 0.3f;
631                 m_nametag = m_client->getCamera()->addNametag(node,
632                         m_prop.nametag, m_prop.nametag_color,
633                         pos);
634         }
635
636         updateNodePos();
637         updateAnimation();
638         updateBonePosition();
639         updateAttachments();
640 }
641
642 void GenericCAO::updateLight(u8 light_at_pos)
643 {
644         // Don't update light of attached one
645         if (getParent() != NULL) {
646                 return;
647         }
648
649         updateLightNoCheck(light_at_pos);
650
651         // Update light of all children
652         for (u16 i : m_children) {
653                 ClientActiveObject *obj = m_env->getActiveObject(i);
654                 if (obj) {
655                         obj->updateLightNoCheck(light_at_pos);
656                 }
657         }
658 }
659
660 void GenericCAO::updateLightNoCheck(u8 light_at_pos)
661 {
662         if (m_glow < 0)
663                 return;
664
665         u8 li = decode_light(light_at_pos + m_glow);
666         if (li != m_last_light) {
667                 m_last_light = li;
668                 video::SColor color(255,li,li,li);
669                 if (m_meshnode) {
670                         setMeshColor(m_meshnode->getMesh(), color);
671                 } else if (m_animated_meshnode) {
672                         setMeshColor(m_animated_meshnode->getMesh(), color);
673                 } else if (m_wield_meshnode) {
674                         m_wield_meshnode->setColor(color);
675                 } else if (m_spritenode) {
676                         m_spritenode->setColor(color);
677                 }
678         }
679 }
680
681 v3s16 GenericCAO::getLightPosition()
682 {
683         if (m_is_player)
684                 return floatToInt(m_position + v3f(0, 0.5 * BS, 0), BS);
685
686         return floatToInt(m_position, BS);
687 }
688
689 void GenericCAO::updateNodePos()
690 {
691         if (getParent() != NULL)
692                 return;
693
694         scene::ISceneNode *node = getSceneNode();
695
696         if (node) {
697                 v3s16 camera_offset = m_env->getCameraOffset();
698                 node->setPosition(pos_translator.vect_show - intToFloat(camera_offset, BS));
699                 if (node != m_spritenode) { // rotate if not a sprite
700                         v3f rot = node->getRotation();
701                         rot.Y = -m_yaw;
702                         node->setRotation(rot);
703                 }
704         }
705 }
706
707 void GenericCAO::step(float dtime, ClientEnvironment *env)
708 {
709         // Handel model of local player instantly to prevent lags
710         if (m_is_local_player) {
711                 LocalPlayer *player = m_env->getLocalPlayer();
712                 if (m_is_visible) {
713                         int old_anim = player->last_animation;
714                         float old_anim_speed = player->last_animation_speed;
715                         m_position = player->getPosition();
716                         m_velocity = v3f(0,0,0);
717                         m_acceleration = v3f(0,0,0);
718                         pos_translator.vect_show = m_position;
719                         m_yaw = player->getYaw();
720                         const PlayerControl &controls = player->getPlayerControl();
721
722                         bool walking = false;
723                         if (controls.up || controls.down || controls.left || controls.right ||
724                                         controls.forw_move_joystick_axis != 0.f ||
725                                         controls.sidew_move_joystick_axis != 0.f)
726                                 walking = true;
727
728                         f32 new_speed = player->local_animation_speed;
729                         v2s32 new_anim = v2s32(0,0);
730                         bool allow_update = false;
731
732                         // increase speed if using fast or flying fast
733                         if((g_settings->getBool("fast_move") &&
734                                         m_client->checkLocalPrivilege("fast")) &&
735                                         (controls.aux1 ||
736                                         (!player->touching_ground &&
737                                         g_settings->getBool("free_move") &&
738                                         m_client->checkLocalPrivilege("fly"))))
739                                         new_speed *= 1.5;
740                         // slowdown speed if sneeking
741                         if (controls.sneak && walking)
742                                 new_speed /= 2;
743
744                         if (walking && (controls.LMB || controls.RMB)) {
745                                 new_anim = player->local_animations[3];
746                                 player->last_animation = WD_ANIM;
747                         } else if(walking) {
748                                 new_anim = player->local_animations[1];
749                                 player->last_animation = WALK_ANIM;
750                         } else if(controls.LMB || controls.RMB) {
751                                 new_anim = player->local_animations[2];
752                                 player->last_animation = DIG_ANIM;
753                         }
754
755                         // Apply animations if input detected and not attached
756                         // or set idle animation
757                         if ((new_anim.X + new_anim.Y) > 0 && !player->isAttached) {
758                                 allow_update = true;
759                                 m_animation_range = new_anim;
760                                 m_animation_speed = new_speed;
761                                 player->last_animation_speed = m_animation_speed;
762                         } else {
763                                 player->last_animation = NO_ANIM;
764
765                                 if (old_anim != NO_ANIM) {
766                                         m_animation_range = player->local_animations[0];
767                                         updateAnimation();
768                                 }
769                         }
770
771                         // Update local player animations
772                         if ((player->last_animation != old_anim ||
773                                 m_animation_speed != old_anim_speed) &&
774                                 player->last_animation != NO_ANIM && allow_update)
775                                         updateAnimation();
776
777                 }
778         }
779
780         if (m_visuals_expired && m_smgr) {
781                 m_visuals_expired = false;
782
783                 // Attachments, part 1: All attached objects must be unparented first,
784                 // or Irrlicht causes a segmentation fault
785                 for (auto ci = m_children.begin(); ci != m_children.end();) {
786                         if (m_env->attachement_parent_ids[*ci] != getId()) {
787                                 ci = m_children.erase(ci);
788                                 continue;
789                         }
790                         ClientActiveObject *obj = m_env->getActiveObject(*ci);
791                         if (obj) {
792                                 scene::ISceneNode *child_node = obj->getSceneNode();
793                                 if (child_node)
794                                         child_node->setParent(m_smgr->getRootSceneNode());
795                         }
796                         ++ci;
797                 }
798
799                 removeFromScene(false);
800                 addToScene(m_client->tsrc());
801
802                 // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
803                 for (u16 cao_id : m_children) {
804                         // Get the object of the child
805                         ClientActiveObject *obj = m_env->getActiveObject(cao_id);
806                         if (obj)
807                                 obj->setAttachments();
808                 }
809         }
810
811         // Make sure m_is_visible is always applied
812         scene::ISceneNode *node = getSceneNode();
813         if (node)
814                 node->setVisible(m_is_visible);
815
816         if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
817         {
818                 // Set these for later
819                 m_position = getPosition();
820                 m_velocity = v3f(0,0,0);
821                 m_acceleration = v3f(0,0,0);
822                 pos_translator.vect_show = m_position;
823
824                 if(m_is_local_player) // Update local player attachment position
825                 {
826                         LocalPlayer *player = m_env->getLocalPlayer();
827                         player->overridePosition = getParent()->getPosition();
828                         m_env->getLocalPlayer()->parent = getParent();
829                 }
830         } else {
831                 v3f lastpos = pos_translator.vect_show;
832
833                 if(m_prop.physical)
834                 {
835                         aabb3f box = m_prop.collisionbox;
836                         box.MinEdge *= BS;
837                         box.MaxEdge *= BS;
838                         collisionMoveResult moveresult;
839                         f32 pos_max_d = BS*0.125; // Distance per iteration
840                         v3f p_pos = m_position;
841                         v3f p_velocity = m_velocity;
842                         moveresult = collisionMoveSimple(env,env->getGameDef(),
843                                         pos_max_d, box, m_prop.stepheight, dtime,
844                                         &p_pos, &p_velocity, m_acceleration,
845                                         this, m_prop.collideWithObjects);
846                         // Apply results
847                         m_position = p_pos;
848                         m_velocity = p_velocity;
849
850                         bool is_end_position = moveresult.collides;
851                         pos_translator.update(m_position, is_end_position, dtime);
852                         pos_translator.translate(dtime);
853                         updateNodePos();
854                 } else {
855                         m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
856                         m_velocity += dtime * m_acceleration;
857                         pos_translator.update(m_position, pos_translator.aim_is_end,
858                                         pos_translator.anim_time);
859                         pos_translator.translate(dtime);
860                         updateNodePos();
861                 }
862
863                 float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
864                 m_step_distance_counter += moved;
865                 if (m_step_distance_counter > 1.5f * BS) {
866                         m_step_distance_counter = 0.0f;
867                         if (!m_is_local_player && m_prop.makes_footstep_sound) {
868                                 INodeDefManager *ndef = m_client->ndef();
869                                 v3s16 p = floatToInt(getPosition() +
870                                         v3f(0.0f, (m_prop.collisionbox.MinEdge.Y - 0.5f) * BS, 0.0f), BS);
871                                 MapNode n = m_env->getMap().getNodeNoEx(p);
872                                 SimpleSoundSpec spec = ndef->get(n).sound_footstep;
873                                 // Reduce footstep gain, as non-local-player footsteps are
874                                 // somehow louder.
875                                 spec.gain *= 0.6f;
876                                 m_client->sound()->playSoundAt(spec, false, getPosition());
877                         }
878                 }
879         }
880
881         m_anim_timer += dtime;
882         if(m_anim_timer >= m_anim_framelength)
883         {
884                 m_anim_timer -= m_anim_framelength;
885                 m_anim_frame++;
886                 if(m_anim_frame >= m_anim_num_frames)
887                         m_anim_frame = 0;
888         }
889
890         updateTexturePos();
891
892         if(m_reset_textures_timer >= 0)
893         {
894                 m_reset_textures_timer -= dtime;
895                 if(m_reset_textures_timer <= 0) {
896                         m_reset_textures_timer = -1;
897                         updateTextures(m_previous_texture_modifier);
898                 }
899         }
900         if(!getParent() && fabs(m_prop.automatic_rotate) > 0.001)
901         {
902                 m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
903                 updateNodePos();
904         }
905
906         if (!getParent() && m_prop.automatic_face_movement_dir &&
907                         (fabs(m_velocity.Z) > 0.001 || fabs(m_velocity.X) > 0.001))
908         {
909                 float optimal_yaw = atan2(m_velocity.Z,m_velocity.X) * 180 / M_PI
910                                 + m_prop.automatic_face_movement_dir_offset;
911                 float max_rotation_delta =
912                                 dtime * m_prop.automatic_face_movement_max_rotation_per_sec;
913
914                 if ((m_prop.automatic_face_movement_max_rotation_per_sec > 0) &&
915                         (fabs(m_yaw - optimal_yaw) > max_rotation_delta)) {
916
917                         m_yaw = optimal_yaw < m_yaw ? m_yaw - max_rotation_delta : m_yaw + max_rotation_delta;
918                 } else {
919                         m_yaw = optimal_yaw;
920                 }
921                 updateNodePos();
922         }
923 }
924
925 void GenericCAO::updateTexturePos()
926 {
927         if(m_spritenode)
928         {
929                 scene::ICameraSceneNode* camera =
930                                 m_spritenode->getSceneManager()->getActiveCamera();
931                 if(!camera)
932                         return;
933                 v3f cam_to_entity = m_spritenode->getAbsolutePosition()
934                                 - camera->getAbsolutePosition();
935                 cam_to_entity.normalize();
936
937                 int row = m_tx_basepos.Y;
938                 int col = m_tx_basepos.X;
939
940                 if(m_tx_select_horiz_by_yawpitch)
941                 {
942                         if(cam_to_entity.Y > 0.75)
943                                 col += 5;
944                         else if(cam_to_entity.Y < -0.75)
945                                 col += 4;
946                         else{
947                                 float mob_dir =
948                                                 atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
949                                 float dir = mob_dir - m_yaw;
950                                 dir = wrapDegrees_180(dir);
951                                 //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
952                                 if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
953                                         col += 2;
954                                 else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
955                                         col += 3;
956                                 else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
957                                         col += 0;
958                                 else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
959                                         col += 1;
960                                 else
961                                         col += 4;
962                         }
963                 }
964
965                 // Animation goes downwards
966                 row += m_anim_frame;
967
968                 float txs = m_tx_size.X;
969                 float tys = m_tx_size.Y;
970                 setBillboardTextureMatrix(m_spritenode,
971                                 txs, tys, col, row);
972         }
973 }
974
975 void GenericCAO::updateTextures(std::string mod)
976 {
977         ITextureSource *tsrc = m_client->tsrc();
978
979         bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
980         bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
981         bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
982
983         m_previous_texture_modifier = m_current_texture_modifier;
984         m_current_texture_modifier = mod;
985         m_glow = m_prop.glow;
986
987         if (m_spritenode) {
988                 if (m_prop.visual == "sprite") {
989                         std::string texturestring = "unknown_node.png";
990                         if (!m_prop.textures.empty())
991                                 texturestring = m_prop.textures[0];
992                         texturestring += mod;
993                         m_spritenode->setMaterialTexture(0,
994                                         tsrc->getTextureForMesh(texturestring));
995
996                         // This allows setting per-material colors. However, until a real lighting
997                         // system is added, the code below will have no effect. Once MineTest
998                         // has directional lighting, it should work automatically.
999                         if (!m_prop.colors.empty()) {
1000                                 m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1001                                 m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1002                                 m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1003                         }
1004
1005                         m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1006                         m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1007                         m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1008                 }
1009         }
1010
1011         if (m_animated_meshnode) {
1012                 if (m_prop.visual == "mesh") {
1013                         for (u32 i = 0; i < m_prop.textures.size() &&
1014                                         i < m_animated_meshnode->getMaterialCount(); ++i) {
1015                                 std::string texturestring = m_prop.textures[i];
1016                                 if (texturestring.empty())
1017                                         continue; // Empty texture string means don't modify that material
1018                                 texturestring += mod;
1019                                 video::ITexture* texture = tsrc->getTextureForMesh(texturestring);
1020                                 if (!texture) {
1021                                         errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1022                                         continue;
1023                                 }
1024
1025                                 // Set material flags and texture
1026                                 video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1027                                 material.TextureLayer[0].Texture = texture;
1028                                 material.setFlag(video::EMF_LIGHTING, false);
1029                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1030
1031                                 // don't filter low-res textures, makes them look blurry
1032                                 // player models have a res of 64
1033                                 const core::dimension2d<u32> &size = texture->getOriginalSize();
1034                                 const u32 res = std::min(size.Height, size.Width);
1035                                 use_trilinear_filter &= res > 64;
1036                                 use_bilinear_filter &= res > 64;
1037
1038                                 m_animated_meshnode->getMaterial(i)
1039                                                 .setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1040                                 m_animated_meshnode->getMaterial(i)
1041                                                 .setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1042                                 m_animated_meshnode->getMaterial(i)
1043                                                 .setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1044                         }
1045                         for (u32 i = 0; i < m_prop.colors.size() &&
1046                         i < m_animated_meshnode->getMaterialCount(); ++i)
1047                         {
1048                                 // This allows setting per-material colors. However, until a real lighting
1049                                 // system is added, the code below will have no effect. Once MineTest
1050                                 // has directional lighting, it should work automatically.
1051                                 m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1052                                 m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1053                                 m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1054                         }
1055                 }
1056         }
1057         if(m_meshnode)
1058         {
1059                 if(m_prop.visual == "cube")
1060                 {
1061                         for (u32 i = 0; i < 6; ++i)
1062                         {
1063                                 std::string texturestring = "unknown_node.png";
1064                                 if(m_prop.textures.size() > i)
1065                                         texturestring = m_prop.textures[i];
1066                                 texturestring += mod;
1067
1068
1069                                 // Set material flags and texture
1070                                 video::SMaterial& material = m_meshnode->getMaterial(i);
1071                                 material.setFlag(video::EMF_LIGHTING, false);
1072                                 material.setFlag(video::EMF_BILINEAR_FILTER, false);
1073                                 material.setTexture(0,
1074                                                 tsrc->getTextureForMesh(texturestring));
1075                                 material.getTextureMatrix(0).makeIdentity();
1076
1077                                 // This allows setting per-material colors. However, until a real lighting
1078                                 // system is added, the code below will have no effect. Once MineTest
1079                                 // has directional lighting, it should work automatically.
1080                                 if(m_prop.colors.size() > i)
1081                                 {
1082                                         m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1083                                         m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1084                                         m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1085                                 }
1086
1087                                 m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1088                                 m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1089                                 m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1090                         }
1091                 } else if (m_prop.visual == "upright_sprite") {
1092                         scene::IMesh *mesh = m_meshnode->getMesh();
1093                         {
1094                                 std::string tname = "unknown_object.png";
1095                                 if (!m_prop.textures.empty())
1096                                         tname = m_prop.textures[0];
1097                                 tname += mod;
1098                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1099                                 buf->getMaterial().setTexture(0,
1100                                                 tsrc->getTextureForMesh(tname));
1101
1102                                 // This allows setting per-material colors. However, until a real lighting
1103                                 // system is added, the code below will have no effect. Once MineTest
1104                                 // has directional lighting, it should work automatically.
1105                                 if(!m_prop.colors.empty()) {
1106                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1107                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1108                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1109                                 }
1110
1111                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1112                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1113                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1114                         }
1115                         {
1116                                 std::string tname = "unknown_object.png";
1117                                 if (m_prop.textures.size() >= 2)
1118                                         tname = m_prop.textures[1];
1119                                 else if (!m_prop.textures.empty())
1120                                         tname = m_prop.textures[0];
1121                                 tname += mod;
1122                                 scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1123                                 buf->getMaterial().setTexture(0,
1124                                                 tsrc->getTextureForMesh(tname));
1125
1126                                 // This allows setting per-material colors. However, until a real lighting
1127                                 // system is added, the code below will have no effect. Once MineTest
1128                                 // has directional lighting, it should work automatically.
1129                                 if (m_prop.colors.size() >= 2) {
1130                                         buf->getMaterial().AmbientColor = m_prop.colors[1];
1131                                         buf->getMaterial().DiffuseColor = m_prop.colors[1];
1132                                         buf->getMaterial().SpecularColor = m_prop.colors[1];
1133                                 } else if (!m_prop.colors.empty()) {
1134                                         buf->getMaterial().AmbientColor = m_prop.colors[0];
1135                                         buf->getMaterial().DiffuseColor = m_prop.colors[0];
1136                                         buf->getMaterial().SpecularColor = m_prop.colors[0];
1137                                 }
1138
1139                                 buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1140                                 buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1141                                 buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1142                         }
1143                 }
1144         }
1145 }
1146
1147 void GenericCAO::updateAnimation()
1148 {
1149         if (!m_animated_meshnode)
1150                 return;
1151
1152         if (m_animated_meshnode->getStartFrame() != m_animation_range.X ||
1153                 m_animated_meshnode->getEndFrame() != m_animation_range.Y)
1154                         m_animated_meshnode->setFrameLoop(m_animation_range.X, m_animation_range.Y);
1155         if (m_animated_meshnode->getAnimationSpeed() != m_animation_speed)
1156                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1157         m_animated_meshnode->setTransitionTime(m_animation_blend);
1158 // Requires Irrlicht 1.8 or greater
1159 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR > 1
1160         if (m_animated_meshnode->getLoopMode() != m_animation_loop)
1161                 m_animated_meshnode->setLoopMode(m_animation_loop);
1162 #endif
1163 }
1164
1165 void GenericCAO::updateAnimationSpeed()
1166 {
1167         if (!m_animated_meshnode)
1168                 return;
1169         
1170         m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1171 }
1172
1173 void GenericCAO::updateBonePosition()
1174 {
1175         if (m_bone_position.empty() || !m_animated_meshnode)
1176                 return;
1177
1178         m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1179         for(std::unordered_map<std::string, core::vector2d<v3f>>::const_iterator
1180                         ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii) {
1181                 std::string bone_name = (*ii).first;
1182                 v3f bone_pos = (*ii).second.X;
1183                 v3f bone_rot = (*ii).second.Y;
1184                 irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1185                 if(bone)
1186                 {
1187                         bone->setPosition(bone_pos);
1188                         bone->setRotation(bone_rot);
1189                 }
1190         }
1191 }
1192
1193 void GenericCAO::updateAttachments()
1194 {
1195
1196         if (!getParent()) { // Detach or don't attach
1197                 scene::ISceneNode *node = getSceneNode();
1198                 if (node) {
1199                         v3f old_position = node->getAbsolutePosition();
1200                         v3f old_rotation = node->getRotation();
1201                         node->setParent(m_smgr->getRootSceneNode());
1202                         node->setPosition(old_position);
1203                         node->setRotation(old_rotation);
1204                         node->updateAbsolutePosition();
1205                 }
1206                 if (m_is_local_player) {
1207                         LocalPlayer *player = m_env->getLocalPlayer();
1208                         player->isAttached = false;
1209                 }
1210         }
1211         else // Attach
1212         {
1213                 scene::ISceneNode *my_node = getSceneNode();
1214
1215                 scene::ISceneNode *parent_node = getParent()->getSceneNode();
1216                 scene::IAnimatedMeshSceneNode *parent_animated_mesh_node =
1217                                 getParent()->getAnimatedMeshSceneNode();
1218                 if (parent_animated_mesh_node && !m_attachment_bone.empty()) {
1219                         parent_node = parent_animated_mesh_node->getJointNode(m_attachment_bone.c_str());
1220                 }
1221
1222                 if (my_node && parent_node) {
1223                         my_node->setParent(parent_node);
1224                         my_node->setPosition(m_attachment_position);
1225                         my_node->setRotation(m_attachment_rotation);
1226                         my_node->updateAbsolutePosition();
1227                 }
1228                 if (m_is_local_player) {
1229                         LocalPlayer *player = m_env->getLocalPlayer();
1230                         player->isAttached = true;
1231                 }
1232         }
1233 }
1234
1235 void GenericCAO::processMessage(const std::string &data)
1236 {
1237         //infostream<<"GenericCAO: Got message"<<std::endl;
1238         std::istringstream is(data, std::ios::binary);
1239         // command
1240         u8 cmd = readU8(is);
1241         if (cmd == GENERIC_CMD_SET_PROPERTIES) {
1242                 m_prop = gob_read_set_properties(is);
1243
1244                 m_selection_box = m_prop.selectionbox;
1245                 m_selection_box.MinEdge *= BS;
1246                 m_selection_box.MaxEdge *= BS;
1247
1248                 m_tx_size.X = 1.0 / m_prop.spritediv.X;
1249                 m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1250
1251                 if(!m_initial_tx_basepos_set){
1252                         m_initial_tx_basepos_set = true;
1253                         m_tx_basepos = m_prop.initial_sprite_basepos;
1254                 }
1255                 if (m_is_local_player) {
1256                         LocalPlayer *player = m_env->getLocalPlayer();
1257                         player->makes_footstep_sound = m_prop.makes_footstep_sound;
1258                         aabb3f collision_box = m_prop.collisionbox;
1259                         collision_box.MinEdge *= BS;
1260                         collision_box.MaxEdge *= BS;
1261                         player->setCollisionbox(collision_box);
1262                         player->setCanZoom(m_prop.can_zoom);
1263                         player->setEyeHeight(m_prop.eye_height);
1264                 }
1265
1266                 if ((m_is_player && !m_is_local_player) && m_prop.nametag.empty())
1267                         m_prop.nametag = m_name;
1268
1269                 expireVisuals();
1270         } else if (cmd == GENERIC_CMD_UPDATE_POSITION) {
1271                 // Not sent by the server if this object is an attachment.
1272                 // We might however get here if the server notices the object being detached before the client.
1273                 m_position = readV3F1000(is);
1274                 m_velocity = readV3F1000(is);
1275                 m_acceleration = readV3F1000(is);
1276                 if(fabs(m_prop.automatic_rotate) < 0.001)
1277                         m_yaw = readF1000(is);
1278                 else
1279                         readF1000(is);
1280                 bool do_interpolate = readU8(is);
1281                 bool is_end_position = readU8(is);
1282                 float update_interval = readF1000(is);
1283
1284                 // Place us a bit higher if we're physical, to not sink into
1285                 // the ground due to sucky collision detection...
1286                 if(m_prop.physical)
1287                         m_position += v3f(0,0.002,0);
1288
1289                 if(getParent() != NULL) // Just in case
1290                         return;
1291
1292                 if(do_interpolate)
1293                 {
1294                         if(!m_prop.physical)
1295                                 pos_translator.update(m_position, is_end_position, update_interval);
1296                 } else {
1297                         pos_translator.init(m_position);
1298                 }
1299                 updateNodePos();
1300         } else if (cmd == GENERIC_CMD_SET_TEXTURE_MOD) {
1301                 std::string mod = deSerializeString(is);
1302
1303                 // immediatly reset a engine issued texture modifier if a mod sends a different one
1304                 if (m_reset_textures_timer > 0) {
1305                         m_reset_textures_timer = -1;
1306                         updateTextures(m_previous_texture_modifier);
1307                 }
1308                 updateTextures(mod);
1309         } else if (cmd == GENERIC_CMD_SET_SPRITE) {
1310                 v2s16 p = readV2S16(is);
1311                 int num_frames = readU16(is);
1312                 float framelength = readF1000(is);
1313                 bool select_horiz_by_yawpitch = readU8(is);
1314
1315                 m_tx_basepos = p;
1316                 m_anim_num_frames = num_frames;
1317                 m_anim_framelength = framelength;
1318                 m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1319
1320                 updateTexturePos();
1321         } else if (cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE) {
1322                 float override_speed = readF1000(is);
1323                 float override_jump = readF1000(is);
1324                 float override_gravity = readF1000(is);
1325                 // these are sent inverted so we get true when the server sends nothing
1326                 bool sneak = !readU8(is);
1327                 bool sneak_glitch = !readU8(is);
1328                 bool new_move = !readU8(is);
1329
1330
1331                 if(m_is_local_player)
1332                 {
1333                         LocalPlayer *player = m_env->getLocalPlayer();
1334                         player->physics_override_speed = override_speed;
1335                         player->physics_override_jump = override_jump;
1336                         player->physics_override_gravity = override_gravity;
1337                         player->physics_override_sneak = sneak;
1338                         player->physics_override_sneak_glitch = sneak_glitch;
1339                         player->physics_override_new_move = new_move;
1340                 }
1341         } else if (cmd == GENERIC_CMD_SET_ANIMATION) {
1342                 // TODO: change frames send as v2s32 value
1343                 v2f range = readV2F1000(is);
1344                 if (!m_is_local_player) {
1345                         m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1346                         m_animation_speed = readF1000(is);
1347                         m_animation_blend = readF1000(is);
1348                         // these are sent inverted so we get true when the server sends nothing
1349                         m_animation_loop = !readU8(is);
1350                         updateAnimation();
1351                 } else {
1352                         LocalPlayer *player = m_env->getLocalPlayer();
1353                         if(player->last_animation == NO_ANIM)
1354                         {
1355                                 m_animation_range = v2s32((s32)range.X, (s32)range.Y);
1356                                 m_animation_speed = readF1000(is);
1357                                 m_animation_blend = readF1000(is);
1358                                 // these are sent inverted so we get true when the server sends nothing
1359                                 m_animation_loop = !readU8(is);
1360                         }
1361                         // update animation only if local animations present
1362                         // and received animation is unknown (except idle animation)
1363                         bool is_known = false;
1364                         for (int i = 1;i<4;i++)
1365                         {
1366                                 if(m_animation_range.Y == player->local_animations[i].Y)
1367                                         is_known = true;
1368                         }
1369                         if(!is_known ||
1370                                         (player->local_animations[1].Y + player->local_animations[2].Y < 1))
1371                         {
1372                                         updateAnimation();
1373                         }
1374                 }
1375         } else if (cmd == GENERIC_CMD_SET_ANIMATION_SPEED) {
1376                 m_animation_speed = readF1000(is);
1377                 updateAnimationSpeed();
1378         } else if (cmd == GENERIC_CMD_SET_BONE_POSITION) {
1379                 std::string bone = deSerializeString(is);
1380                 v3f position = readV3F1000(is);
1381                 v3f rotation = readV3F1000(is);
1382                 m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1383
1384                 updateBonePosition();
1385         } else if (cmd == GENERIC_CMD_ATTACH_TO) {
1386                 u16 parentID = readS16(is);
1387                 u16 oldparent = m_env->attachement_parent_ids[getId()];
1388                 if (oldparent) {
1389                         m_children.erase(std::remove(m_children.begin(), m_children.end(),
1390                                 getId()), m_children.end());
1391                 }
1392                 m_env->attachement_parent_ids[getId()] = parentID;
1393                 GenericCAO *parentobj = m_env->getGenericCAO(parentID);
1394
1395                 if (parentobj) {
1396                         parentobj->m_children.push_back(getId());
1397                 }
1398
1399                 m_attachment_bone = deSerializeString(is);
1400                 m_attachment_position = readV3F1000(is);
1401                 m_attachment_rotation = readV3F1000(is);
1402
1403                 // localplayer itself can't be attached to localplayer
1404                 if (!m_is_local_player) {
1405                         m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1406                         // Objects attached to the local player should be hidden by default
1407                         m_is_visible = !m_attached_to_local;
1408                 }
1409
1410                 updateAttachments();
1411         } else if (cmd == GENERIC_CMD_PUNCHED) {
1412                 /*s16 damage =*/ readS16(is);
1413                 s16 result_hp = readS16(is);
1414
1415                 // Use this instead of the send damage to not interfere with prediction
1416                 s16 damage = m_hp - result_hp;
1417
1418                 m_hp = result_hp;
1419
1420                 if (damage > 0)
1421                 {
1422                         if (m_hp <= 0)
1423                         {
1424                                 // TODO: Execute defined fast response
1425                                 // As there is no definition, make a smoke puff
1426                                 ClientSimpleObject *simple = createSmokePuff(
1427                                                 m_smgr, m_env, m_position,
1428                                                 m_prop.visual_size * BS);
1429                                 m_env->addSimpleObject(simple);
1430                         } else if (m_reset_textures_timer < 0) {
1431                                 // TODO: Execute defined fast response
1432                                 // Flashing shall suffice as there is no definition
1433                                 m_reset_textures_timer = 0.05;
1434                                 if(damage >= 2)
1435                                         m_reset_textures_timer += 0.05 * damage;
1436                                 updateTextures(m_current_texture_modifier + "^[brighten");
1437                         }
1438                 }
1439         } else if (cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS) {
1440                 m_armor_groups.clear();
1441                 int armor_groups_size = readU16(is);
1442                 for(int i=0; i<armor_groups_size; i++)
1443                 {
1444                         std::string name = deSerializeString(is);
1445                         int rating = readS16(is);
1446                         m_armor_groups[name] = rating;
1447                 }
1448         } else if (cmd == GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES) {
1449                 // Deprecated, for backwards compatibility only.
1450                 readU8(is); // version
1451                 m_prop.nametag_color = readARGB8(is);
1452                 if (m_nametag != NULL) {
1453                         m_nametag->nametag_color = m_prop.nametag_color;
1454                         v3f pos;
1455                         pos.Y = m_prop.collisionbox.MaxEdge.Y + 0.3f;
1456                         m_nametag->nametag_pos = pos;
1457                 }
1458         } else if (cmd == GENERIC_CMD_SPAWN_INFANT) {
1459                 u16 child_id = readU16(is);
1460                 u8 type = readU8(is);
1461
1462                 if (GenericCAO *childobj = m_env->getGenericCAO(child_id)) {
1463                         childobj->processInitData(deSerializeLongString(is));
1464                 } else {
1465                         m_env->addActiveObject(child_id, type, deSerializeLongString(is));
1466                 }
1467         } else {
1468                 warningstream << FUNCTION_NAME
1469                         << ": unknown command or outdated client \""
1470                         << +cmd << "\"" << std::endl;
1471         }
1472 }
1473
1474 /* \pre punchitem != NULL
1475  */
1476 bool GenericCAO::directReportPunch(v3f dir, const ItemStack *punchitem,
1477                 float time_from_last_punch)
1478 {
1479         assert(punchitem);      // pre-condition
1480         const ToolCapabilities *toolcap =
1481                         &punchitem->getToolCapabilities(m_client->idef());
1482         PunchDamageResult result = getPunchDamage(
1483                         m_armor_groups,
1484                         toolcap,
1485                         punchitem,
1486                         time_from_last_punch);
1487
1488         if(result.did_punch && result.damage != 0)
1489         {
1490                 if(result.damage < m_hp)
1491                 {
1492                         m_hp -= result.damage;
1493                 } else {
1494                         m_hp = 0;
1495                         // TODO: Execute defined fast response
1496                         // As there is no definition, make a smoke puff
1497                         ClientSimpleObject *simple = createSmokePuff(
1498                                         m_smgr, m_env, m_position,
1499                                         m_prop.visual_size * BS);
1500                         m_env->addSimpleObject(simple);
1501                 }
1502                 // TODO: Execute defined fast response
1503                 // Flashing shall suffice as there is no definition
1504                 if (m_reset_textures_timer < 0) {
1505                         m_reset_textures_timer = 0.05;
1506                         if (result.damage >= 2)
1507                                 m_reset_textures_timer += 0.05 * result.damage;
1508                         updateTextures(m_current_texture_modifier + "^[brighten");
1509                 }
1510         }
1511
1512         return false;
1513 }
1514
1515 std::string GenericCAO::debugInfoText()
1516 {
1517         std::ostringstream os(std::ios::binary);
1518         os<<"GenericCAO hp="<<m_hp<<"\n";
1519         os<<"armor={";
1520         for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1521                         i != m_armor_groups.end(); ++i)
1522         {
1523                 os<<i->first<<"="<<i->second<<", ";
1524         }
1525         os<<"}";
1526         return os.str();
1527 }
1528
1529 // Prototype
1530 GenericCAO proto_GenericCAO(NULL, NULL);