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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 "content_cao.h"
21 #include "tile.h"
22 #include "environment.h"
23 #include "collision.h"
24 #include "settings.h"
25 #include <ICameraSceneNode.h>
26 #include <ITextSceneNode.h>
27 #include <IBillboardSceneNode.h>
28 #include "serialization.h" // For decompressZlib
29 #include "gamedef.h"
30 #include "clientobject.h"
31 #include "content_object.h"
32 #include "mesh.h"
33 #include "itemdef.h"
34 #include "tool.h"
35 #include "content_cso.h"
36 #include "sound.h"
37 #include "nodedef.h"
38 #include "localplayer.h"
39 #include "util/numeric.h" // For IntervalLimiter
40 #include "util/serialize.h"
41 #include "util/mathconstants.h"
42 #include "map.h"
43 #include "main.h" // g_settings
44 #include <IMeshManipulator.h>
45 #include <IAnimatedMeshSceneNode.h>
46 #include <IBoneSceneNode.h>
47
48 class Settings;
49 struct ToolCapabilities;
50
51 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
52
53 std::map<u16, ClientActiveObject::Factory> ClientActiveObject::m_types;
54
55 /*
56         SmoothTranslator
57 */
58
59 struct SmoothTranslator
60 {
61         v3f vect_old;
62         v3f vect_show;
63         v3f vect_aim;
64         f32 anim_counter;
65         f32 anim_time;
66         f32 anim_time_counter;
67         bool aim_is_end;
68
69         SmoothTranslator():
70                 vect_old(0,0,0),
71                 vect_show(0,0,0),
72                 vect_aim(0,0,0),
73                 anim_counter(0),
74                 anim_time(0),
75                 anim_time_counter(0),
76                 aim_is_end(true)
77         {}
78
79         void init(v3f vect)
80         {
81                 vect_old = vect;
82                 vect_show = vect;
83                 vect_aim = vect;
84                 anim_counter = 0;
85                 anim_time = 0;
86                 anim_time_counter = 0;
87                 aim_is_end = true;
88         }
89
90         void sharpen()
91         {
92                 init(vect_show);
93         }
94
95         void update(v3f vect_new, bool is_end_position=false, float update_interval=-1)
96         {
97                 aim_is_end = is_end_position;
98                 vect_old = vect_show;
99                 vect_aim = vect_new;
100                 if(update_interval > 0){
101                         anim_time = update_interval;
102                 } else {
103                         if(anim_time < 0.001 || anim_time > 1.0)
104                                 anim_time = anim_time_counter;
105                         else
106                                 anim_time = anim_time * 0.9 + anim_time_counter * 0.1;
107                 }
108                 anim_time_counter = 0;
109                 anim_counter = 0;
110         }
111
112         void translate(f32 dtime)
113         {
114                 anim_time_counter = anim_time_counter + dtime;
115                 anim_counter = anim_counter + dtime;
116                 v3f vect_move = vect_aim - vect_old;
117                 f32 moveratio = 1.0;
118                 if(anim_time > 0.001)
119                         moveratio = anim_time_counter / anim_time;
120                 // Move a bit less than should, to avoid oscillation
121                 moveratio = moveratio * 0.8;
122                 float move_end = 1.5;
123                 if(aim_is_end)
124                         move_end = 1.0;
125                 if(moveratio > move_end)
126                         moveratio = move_end;
127                 vect_show = vect_old + vect_move * moveratio;
128         }
129
130         bool is_moving()
131         {
132                 return ((anim_time_counter / anim_time) < 1.4);
133         }
134 };
135
136 /*
137         Other stuff
138 */
139
140 static void setBillboardTextureMatrix(scene::IBillboardSceneNode *bill,
141                 float txs, float tys, int col, int row)
142 {
143         video::SMaterial& material = bill->getMaterial(0);
144         core::matrix4& matrix = material.getTextureMatrix(0);
145         matrix.setTextureTranslate(txs*col, tys*row);
146         matrix.setTextureScale(txs, tys);
147 }
148
149 /*
150         TestCAO
151 */
152
153 class TestCAO : public ClientActiveObject
154 {
155 public:
156         TestCAO(IGameDef *gamedef, ClientEnvironment *env);
157         virtual ~TestCAO();
158         
159         u8 getType() const
160         {
161                 return ACTIVEOBJECT_TYPE_TEST;
162         }
163         
164         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
165
166         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
167                         IrrlichtDevice *irr);
168         void removeFromScene();
169         void updateLight(u8 light_at_pos);
170         v3s16 getLightPosition();
171         void updateNodePos();
172
173         void step(float dtime, ClientEnvironment *env);
174
175         void processMessage(const std::string &data);
176
177         bool getCollisionBox(aabb3f *toset) { return false; }
178 private:
179         scene::IMeshSceneNode *m_node;
180         v3f m_position;
181 };
182
183 // Prototype
184 TestCAO proto_TestCAO(NULL, NULL);
185
186 TestCAO::TestCAO(IGameDef *gamedef, ClientEnvironment *env):
187         ClientActiveObject(0, gamedef, env),
188         m_node(NULL),
189         m_position(v3f(0,10*BS,0))
190 {
191         ClientActiveObject::registerType(getType(), create);
192 }
193
194 TestCAO::~TestCAO()
195 {
196 }
197
198 ClientActiveObject* TestCAO::create(IGameDef *gamedef, ClientEnvironment *env)
199 {
200         return new TestCAO(gamedef, env);
201 }
202
203 void TestCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
204                         IrrlichtDevice *irr)
205 {
206         if(m_node != NULL)
207                 return;
208         
209         //video::IVideoDriver* driver = smgr->getVideoDriver();
210         
211         scene::SMesh *mesh = new scene::SMesh();
212         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
213         video::SColor c(255,255,255,255);
214         video::S3DVertex vertices[4] =
215         {
216                 video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
217                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
218                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
219                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),
220         };
221         u16 indices[] = {0,1,2,2,3,0};
222         buf->append(vertices, 4, indices, 6);
223         // Set material
224         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
225         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
226         buf->getMaterial().setTexture(0, tsrc->getTexture("rat.png"));
227         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
228         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
229         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
230         // Add to mesh
231         mesh->addMeshBuffer(buf);
232         buf->drop();
233         m_node = smgr->addMeshSceneNode(mesh, NULL);
234         mesh->drop();
235         updateNodePos();
236 }
237
238 void TestCAO::removeFromScene()
239 {
240         if(m_node == NULL)
241                 return;
242
243         m_node->remove();
244         m_node = NULL;
245 }
246
247 void TestCAO::updateLight(u8 light_at_pos)
248 {
249 }
250
251 v3s16 TestCAO::getLightPosition()
252 {
253         return floatToInt(m_position, BS);
254 }
255
256 void TestCAO::updateNodePos()
257 {
258         if(m_node == NULL)
259                 return;
260
261         m_node->setPosition(m_position);
262         //m_node->setRotation(v3f(0, 45, 0));
263 }
264
265 void TestCAO::step(float dtime, ClientEnvironment *env)
266 {
267         if(m_node)
268         {
269                 v3f rot = m_node->getRotation();
270                 //infostream<<"dtime="<<dtime<<", rot.Y="<<rot.Y<<std::endl;
271                 rot.Y += dtime * 180;
272                 m_node->setRotation(rot);
273         }
274 }
275
276 void TestCAO::processMessage(const std::string &data)
277 {
278         infostream<<"TestCAO: Got data: "<<data<<std::endl;
279         std::istringstream is(data, std::ios::binary);
280         u16 cmd;
281         is>>cmd;
282         if(cmd == 0)
283         {
284                 v3f newpos;
285                 is>>newpos.X;
286                 is>>newpos.Y;
287                 is>>newpos.Z;
288                 m_position = newpos;
289                 updateNodePos();
290         }
291 }
292
293 /*
294         ItemCAO
295 */
296
297 class ItemCAO : public ClientActiveObject
298 {
299 public:
300         ItemCAO(IGameDef *gamedef, ClientEnvironment *env);
301         virtual ~ItemCAO();
302         
303         u8 getType() const
304         {
305                 return ACTIVEOBJECT_TYPE_ITEM;
306         }
307         
308         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env);
309
310         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
311                         IrrlichtDevice *irr);
312         void removeFromScene();
313         void updateLight(u8 light_at_pos);
314         v3s16 getLightPosition();
315         void updateNodePos();
316         void updateInfoText();
317         void updateTexture();
318
319         void step(float dtime, ClientEnvironment *env);
320
321         void processMessage(const std::string &data);
322
323         void initialize(const std::string &data);
324         
325         core::aabbox3d<f32>* getSelectionBox()
326                 {return &m_selection_box;}
327         v3f getPosition()
328                 {return m_position;}
329         
330         std::string infoText()
331                 {return m_infotext;}
332
333         bool getCollisionBox(aabb3f *toset) { return false; }
334 private:
335         core::aabbox3d<f32> m_selection_box;
336         scene::IMeshSceneNode *m_node;
337         v3f m_position;
338         std::string m_itemstring;
339         std::string m_infotext;
340 };
341
342 #include "inventory.h"
343
344 // Prototype
345 ItemCAO proto_ItemCAO(NULL, NULL);
346
347 ItemCAO::ItemCAO(IGameDef *gamedef, ClientEnvironment *env):
348         ClientActiveObject(0, gamedef, env),
349         m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.),
350         m_node(NULL),
351         m_position(v3f(0,10*BS,0))
352 {
353         if(!gamedef && !env)
354         {
355                 ClientActiveObject::registerType(getType(), create);
356         }
357 }
358
359 ItemCAO::~ItemCAO()
360 {
361 }
362
363 ClientActiveObject* ItemCAO::create(IGameDef *gamedef, ClientEnvironment *env)
364 {
365         return new ItemCAO(gamedef, env);
366 }
367
368 void ItemCAO::addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
369                         IrrlichtDevice *irr)
370 {
371         if(m_node != NULL)
372                 return;
373         
374         //video::IVideoDriver* driver = smgr->getVideoDriver();
375         
376         scene::SMesh *mesh = new scene::SMesh();
377         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
378         video::SColor c(255,255,255,255);
379         video::S3DVertex vertices[4] =
380         {
381                 /*video::S3DVertex(-BS/2,-BS/4,0, 0,0,0, c, 0,1),
382                 video::S3DVertex(BS/2,-BS/4,0, 0,0,0, c, 1,1),
383                 video::S3DVertex(BS/2,BS/4,0, 0,0,0, c, 1,0),
384                 video::S3DVertex(-BS/2,BS/4,0, 0,0,0, c, 0,0),*/
385                 video::S3DVertex(BS/3.,0,0, 0,0,0, c, 0,1),
386                 video::S3DVertex(-BS/3.,0,0, 0,0,0, c, 1,1),
387                 video::S3DVertex(-BS/3.,0+BS*2./3.,0, 0,0,0, c, 1,0),
388                 video::S3DVertex(BS/3.,0+BS*2./3.,0, 0,0,0, c, 0,0),
389         };
390         u16 indices[] = {0,1,2,2,3,0};
391         buf->append(vertices, 4, indices, 6);
392         // Set material
393         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
394         buf->getMaterial().setFlag(video::EMF_BACK_FACE_CULLING, false);
395         // Initialize with a generated placeholder texture
396         buf->getMaterial().setTexture(0, tsrc->getTexture(""));
397         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
398         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
399         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
400         // Add to mesh
401         mesh->addMeshBuffer(buf);
402         buf->drop();
403         m_node = smgr->addMeshSceneNode(mesh, NULL);
404         mesh->drop();
405         updateNodePos();
406
407         /*
408                 Update image of node
409         */
410
411         updateTexture();
412 }
413
414 void ItemCAO::removeFromScene()
415 {
416         if(m_node == NULL)
417                 return;
418
419         m_node->remove();
420         m_node = NULL;
421 }
422
423 void ItemCAO::updateLight(u8 light_at_pos)
424 {
425         if(m_node == NULL)
426                 return;
427
428         u8 li = decode_light(light_at_pos);
429         video::SColor color(255,li,li,li);
430         setMeshColor(m_node->getMesh(), color);
431 }
432
433 v3s16 ItemCAO::getLightPosition()
434 {
435         return floatToInt(m_position + v3f(0,0.5*BS,0), BS);
436 }
437
438 void ItemCAO::updateNodePos()
439 {
440         if(m_node == NULL)
441                 return;
442
443         m_node->setPosition(m_position);
444 }
445
446 void ItemCAO::updateInfoText()
447 {
448         try{
449                 IItemDefManager *idef = m_gamedef->idef();
450                 ItemStack item;
451                 item.deSerialize(m_itemstring, idef);
452                 if(item.isKnown(idef))
453                         m_infotext = item.getDefinition(idef).description;
454                 else
455                         m_infotext = "Unknown item: '" + m_itemstring + "'";
456                 if(item.count >= 2)
457                         m_infotext += " (" + itos(item.count) + ")";
458         }
459         catch(SerializationError &e)
460         {
461                 m_infotext = "Unknown item: '" + m_itemstring + "'";
462         }
463 }
464
465 void ItemCAO::updateTexture()
466 {
467         if(m_node == NULL)
468                 return;
469
470         // Create an inventory item to see what is its image
471         std::istringstream is(m_itemstring, std::ios_base::binary);
472         video::ITexture *texture = NULL;
473         try{
474                 IItemDefManager *idef = m_gamedef->idef();
475                 ItemStack item;
476                 item.deSerialize(is, idef);
477                 texture = idef->getInventoryTexture(item.getDefinition(idef).name, m_gamedef);
478         }
479         catch(SerializationError &e)
480         {
481                 infostream<<"WARNING: "<<__FUNCTION_NAME
482                                 <<": error deSerializing itemstring \""
483                                 <<m_itemstring<<std::endl;
484         }
485         
486         // Set meshbuffer texture
487         m_node->getMaterial(0).setTexture(0, texture);
488 }
489
490
491 void ItemCAO::step(float dtime, ClientEnvironment *env)
492 {
493         if(m_node)
494         {
495                 /*v3f rot = m_node->getRotation();
496                 rot.Y += dtime * 120;
497                 m_node->setRotation(rot);*/
498                 LocalPlayer *player = env->getLocalPlayer();
499                 assert(player);
500                 v3f rot = m_node->getRotation();
501                 rot.Y = 180.0 - (player->getYaw());
502                 m_node->setRotation(rot);
503         }
504 }
505
506 void ItemCAO::processMessage(const std::string &data)
507 {
508         //infostream<<"ItemCAO: Got message"<<std::endl;
509         std::istringstream is(data, std::ios::binary);
510         // command
511         u8 cmd = readU8(is);
512         if(cmd == 0)
513         {
514                 // pos
515                 m_position = readV3F1000(is);
516                 updateNodePos();
517         }
518         if(cmd == 1)
519         {
520                 // itemstring
521                 m_itemstring = deSerializeString(is);
522                 updateInfoText();
523                 updateTexture();
524         }
525 }
526
527 void ItemCAO::initialize(const std::string &data)
528 {
529         infostream<<"ItemCAO: Got init data"<<std::endl;
530         
531         {
532                 std::istringstream is(data, std::ios::binary);
533                 // version
534                 u8 version = readU8(is);
535                 // check version
536                 if(version != 0)
537                         return;
538                 // pos
539                 m_position = readV3F1000(is);
540                 // itemstring
541                 m_itemstring = deSerializeString(is);
542         }
543         
544         updateNodePos();
545         updateInfoText();
546 }
547
548 /*
549         GenericCAO
550 */
551
552 #include "genericobject.h"
553
554 class GenericCAO : public ClientActiveObject
555 {
556 private:
557         // Only set at initialization
558         std::string m_name;
559         bool m_is_player;
560         bool m_is_local_player;
561         int m_id;
562         // Property-ish things
563         ObjectProperties m_prop;
564         //
565         scene::ISceneManager *m_smgr;
566         IrrlichtDevice *m_irr;
567         core::aabbox3d<f32> m_selection_box;
568         scene::IMeshSceneNode *m_meshnode;
569         scene::IAnimatedMeshSceneNode *m_animated_meshnode;
570         scene::IBillboardSceneNode *m_spritenode;
571         scene::ITextSceneNode* m_textnode;
572         v3f m_position;
573         v3f m_velocity;
574         v3f m_acceleration;
575         float m_yaw;
576         s16 m_hp;
577         SmoothTranslator pos_translator;
578         // Spritesheet/animation stuff
579         v2f m_tx_size;
580         v2s16 m_tx_basepos;
581         bool m_initial_tx_basepos_set;
582         bool m_tx_select_horiz_by_yawpitch;
583         v2f m_animation_range;
584         int m_animation_speed;
585         int m_animation_blend;
586         std::map<std::string, core::vector2d<v3f> > m_bone_position; // stores position and rotation for each bone name
587         std::string m_attachment_bone;
588         v3f m_attachment_position;
589         v3f m_attachment_rotation;
590         bool m_attached_to_local;
591         int m_anim_frame;
592         int m_anim_num_frames;
593         float m_anim_framelength;
594         float m_anim_timer;
595         ItemGroupList m_armor_groups;
596         float m_reset_textures_timer;
597         bool m_visuals_expired;
598         float m_step_distance_counter;
599         u8 m_last_light;
600         bool m_is_visible;
601
602 public:
603         GenericCAO(IGameDef *gamedef, ClientEnvironment *env):
604                 ClientActiveObject(0, gamedef, env),
605                 //
606                 m_is_player(false),
607                 m_is_local_player(false),
608                 m_id(0),
609                 //
610                 m_smgr(NULL),
611                 m_irr(NULL),
612                 m_selection_box(-BS/3.,-BS/3.,-BS/3., BS/3.,BS/3.,BS/3.),
613                 m_meshnode(NULL),
614                 m_animated_meshnode(NULL),
615                 m_spritenode(NULL),
616                 m_textnode(NULL),
617                 m_position(v3f(0,10*BS,0)),
618                 m_velocity(v3f(0,0,0)),
619                 m_acceleration(v3f(0,0,0)),
620                 m_yaw(0),
621                 m_hp(1),
622                 m_tx_size(1,1),
623                 m_tx_basepos(0,0),
624                 m_initial_tx_basepos_set(false),
625                 m_tx_select_horiz_by_yawpitch(false),
626                 m_animation_range(v2f(0,0)),
627                 m_animation_speed(15),
628                 m_animation_blend(0),
629                 m_bone_position(std::map<std::string, core::vector2d<v3f> >()),
630                 m_attachment_bone(""),
631                 m_attachment_position(v3f(0,0,0)),
632                 m_attachment_rotation(v3f(0,0,0)),
633                 m_attached_to_local(false),
634                 m_anim_frame(0),
635                 m_anim_num_frames(1),
636                 m_anim_framelength(0.2),
637                 m_anim_timer(0),
638                 m_reset_textures_timer(-1),
639                 m_visuals_expired(false),
640                 m_step_distance_counter(0),
641                 m_last_light(255),
642                 m_is_visible(false)
643         {
644                 if(gamedef == NULL)
645                         ClientActiveObject::registerType(getType(), create);
646         }
647
648         bool getCollisionBox(aabb3f *toset) {
649                 if (m_prop.physical) {
650                         aabb3f retval;
651                         //update collision box
652                         toset->MinEdge = m_prop.collisionbox.MinEdge * BS;
653                         toset->MaxEdge = m_prop.collisionbox.MaxEdge * BS;
654
655                         toset->MinEdge += m_position;
656                         toset->MaxEdge += m_position;
657
658                         return true;
659                 }
660
661                 return false;
662         }
663
664         bool collideWithObjects() {
665                 return m_prop.collideWithObjects;
666         }
667
668         void initialize(const std::string &data)
669         {
670                 infostream<<"GenericCAO: Got init data"<<std::endl;
671                 std::istringstream is(data, std::ios::binary);
672                 int num_messages = 0;
673                 // version
674                 u8 version = readU8(is);
675                 // check version
676                 if(version == 1) // In PROTOCOL_VERSION 14
677                 {
678                         m_name = deSerializeString(is);
679                         m_is_player = readU8(is);
680                         m_id = readS16(is);
681                         m_position = readV3F1000(is);
682                         m_yaw = readF1000(is);
683                         m_hp = readS16(is);
684                         num_messages = readU8(is);
685                 }
686                 else if(version == 0) // In PROTOCOL_VERSION 13
687                 {
688                         m_name = deSerializeString(is);
689                         m_is_player = readU8(is);
690                         m_position = readV3F1000(is);
691                         m_yaw = readF1000(is);
692                         m_hp = readS16(is);
693                         num_messages = readU8(is);
694                 }
695                 else
696                 {
697                         errorstream<<"GenericCAO: Unsupported init data version"
698                                         <<std::endl;
699                         return;
700                 }
701
702                 for(int i=0; i<num_messages; i++){
703                         std::string message = deSerializeLongString(is);
704                         processMessage(message);
705                 }
706
707                 pos_translator.init(m_position);
708                 updateNodePos();
709                 
710                 if(m_is_player){
711                         Player *player = m_env->getPlayer(m_name.c_str());
712                         if(player && player->isLocal()){
713                                 m_is_local_player = true;
714                         }
715                         m_env->addPlayerName(m_name.c_str());
716                 }
717         }
718
719         ~GenericCAO()
720         {
721                 if(m_is_player){
722                         m_env->removePlayerName(m_name.c_str());
723                 }
724         }
725
726         static ClientActiveObject* create(IGameDef *gamedef, ClientEnvironment *env)
727         {
728                 return new GenericCAO(gamedef, env);
729         }
730
731         u8 getType() const
732         {
733                 return ACTIVEOBJECT_TYPE_GENERIC;
734         }
735         core::aabbox3d<f32>* getSelectionBox()
736         {
737                 if(!m_prop.is_visible || !m_is_visible || m_is_local_player || getParent() != NULL)
738                         return NULL;
739                 return &m_selection_box;
740         }
741         v3f getPosition()
742         {
743                 if(getParent() != NULL){
744                         if(m_meshnode)
745                                 return m_meshnode->getAbsolutePosition();
746                         if(m_animated_meshnode)
747                                 return m_animated_meshnode->getAbsolutePosition();
748                         if(m_spritenode)
749                                 return m_spritenode->getAbsolutePosition();
750                         return m_position;
751                 }
752                 return pos_translator.vect_show;
753         }
754
755         scene::IMeshSceneNode *getMeshSceneNode()
756         {
757                 if(m_meshnode)
758                         return m_meshnode;
759                 return NULL;
760         }
761
762         scene::IAnimatedMeshSceneNode *getAnimatedMeshSceneNode()
763         {
764                 if(m_animated_meshnode)
765                         return m_animated_meshnode;
766                 return NULL;
767         }
768
769         scene::IBillboardSceneNode *getSpriteSceneNode()
770         {
771                 if(m_spritenode)
772                         return m_spritenode;
773                 return NULL;
774         }
775
776         bool isPlayer()
777         {
778                 return m_is_player;
779         }
780
781         bool isLocalPlayer()
782         {
783                 return m_is_local_player;
784         }
785
786         void setAttachments()
787         {
788                 updateAttachments();
789         }
790
791         ClientActiveObject *getParent()
792         {
793                 ClientActiveObject *obj = NULL;
794                 for(std::vector<core::vector2d<int> >::const_iterator cii = m_env->attachment_list.begin(); cii != m_env->attachment_list.end(); cii++)
795                 {
796                         if(cii->X == getId()){ // This ID is our child
797                                 if(cii->Y > 0){ // A parent ID exists for our child
798                                         if(cii->X != cii->Y){ // The parent and child ID are not the same
799                                                 obj = m_env->getActiveObject(cii->Y);
800                                         }
801                                 }
802                                 break;
803                         }
804                 }
805                 if(obj)
806                         return obj;
807                 return NULL;
808         }
809
810         void removeFromScene(bool permanent)
811         {
812                 if(permanent) // Should be true when removing the object permanently and false when refreshing (eg: updating visuals)
813                 {
814                         // Detach this object's children
815                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
816                         {
817                                 if(ii->Y == getId()) // Is a child of our object
818                                 {
819                                         ii->Y = 0;
820                                         ClientActiveObject *obj = m_env->getActiveObject(ii->X); // Get the object of the child
821                                         if(obj)
822                                                 obj->setAttachments();
823                                 }
824                         }
825                         // Delete this object from the attachments list
826                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
827                         {
828                                 if(ii->X == getId()) // Is our object
829                                 {
830                                         m_env->attachment_list.erase(ii);
831                                         break;
832                                 }
833                         }
834                 }
835
836                 if(m_meshnode){
837                         m_meshnode->remove();
838                         m_meshnode = NULL;
839                 }
840                 if(m_animated_meshnode){
841                         m_animated_meshnode->remove();
842                         m_animated_meshnode = NULL;
843                 }
844                 if(m_spritenode){
845                         m_spritenode->remove();
846                         m_spritenode = NULL;
847                 }
848         }
849
850         void addToScene(scene::ISceneManager *smgr, ITextureSource *tsrc,
851                         IrrlichtDevice *irr)
852         {
853                 m_smgr = smgr;
854                 m_irr = irr;
855
856                 if(m_meshnode != NULL || m_animated_meshnode != NULL || m_spritenode != NULL)
857                         return;
858                 
859                 m_visuals_expired = false;
860
861                 if(!m_prop.is_visible || m_is_local_player)
862                         return;
863         
864                 //video::IVideoDriver* driver = smgr->getVideoDriver();
865
866                 if(m_prop.visual == "sprite"){
867                         infostream<<"GenericCAO::addToScene(): single_sprite"<<std::endl;
868                         m_spritenode = smgr->addBillboardSceneNode(
869                                         NULL, v2f(1, 1), v3f(0,0,0), -1);
870                         m_spritenode->setMaterialTexture(0,
871                                         tsrc->getTexture("unknown_node.png"));
872                         m_spritenode->setMaterialFlag(video::EMF_LIGHTING, false);
873                         m_spritenode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
874                         m_spritenode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
875                         m_spritenode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
876                         u8 li = m_last_light;
877                         m_spritenode->setColor(video::SColor(255,li,li,li));
878                         m_spritenode->setSize(m_prop.visual_size*BS);
879                         {
880                                 const float txs = 1.0 / 1;
881                                 const float tys = 1.0 / 1;
882                                 setBillboardTextureMatrix(m_spritenode,
883                                                 txs, tys, 0, 0);
884                         }
885                 }
886                 else if(m_prop.visual == "upright_sprite")
887                 {
888                         scene::SMesh *mesh = new scene::SMesh();
889                         double dx = BS*m_prop.visual_size.X/2;
890                         double dy = BS*m_prop.visual_size.Y/2;
891                         { // Front
892                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
893                         u8 li = m_last_light;
894                         video::SColor c(255,li,li,li);
895                         video::S3DVertex vertices[4] =
896                         {
897                                 video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
898                                 video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
899                                 video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
900                                 video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
901                         };
902                         u16 indices[] = {0,1,2,2,3,0};
903                         buf->append(vertices, 4, indices, 6);
904                         // Set material
905                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
906                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
907                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
908                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
909                         // Add to mesh
910                         mesh->addMeshBuffer(buf);
911                         buf->drop();
912                         }
913                         { // Back
914                         scene::IMeshBuffer *buf = new scene::SMeshBuffer();
915                         u8 li = m_last_light;
916                         video::SColor c(255,li,li,li);
917                         video::S3DVertex vertices[4] =
918                         {
919                                 video::S3DVertex(dx,-dy,0, 0,0,0, c, 1,1),
920                                 video::S3DVertex(-dx,-dy,0, 0,0,0, c, 0,1),
921                                 video::S3DVertex(-dx,dy,0, 0,0,0, c, 0,0),
922                                 video::S3DVertex(dx,dy,0, 0,0,0, c, 1,0),
923                         };
924                         u16 indices[] = {0,1,2,2,3,0};
925                         buf->append(vertices, 4, indices, 6);
926                         // Set material
927                         buf->getMaterial().setFlag(video::EMF_LIGHTING, false);
928                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false);
929                         buf->getMaterial().setFlag(video::EMF_FOG_ENABLE, true);
930                         buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
931                         // Add to mesh
932                         mesh->addMeshBuffer(buf);
933                         buf->drop();
934                         }
935                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
936                         mesh->drop();
937                         // Set it to use the materials of the meshbuffers directly.
938                         // This is needed for changing the texture in the future
939                         m_meshnode->setReadOnlyMaterials(true);
940                 }
941                 else if(m_prop.visual == "cube"){
942                         infostream<<"GenericCAO::addToScene(): cube"<<std::endl;
943                         scene::IMesh *mesh = createCubeMesh(v3f(BS,BS,BS));
944                         m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
945                         mesh->drop();
946                         
947                         m_meshnode->setScale(v3f(m_prop.visual_size.X,
948                                         m_prop.visual_size.Y,
949                                         m_prop.visual_size.X));
950                         u8 li = m_last_light;
951                         setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
952
953                         m_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
954                         m_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
955                         m_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
956                         m_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
957                 }
958                 else if(m_prop.visual == "mesh"){
959                         infostream<<"GenericCAO::addToScene(): mesh"<<std::endl;
960                         scene::IAnimatedMesh *mesh = smgr->getMesh(m_prop.mesh.c_str());
961                         if(mesh)
962                         {
963                                 m_animated_meshnode = smgr->addAnimatedMeshSceneNode(mesh, NULL);
964                                 m_animated_meshnode->animateJoints(); // Needed for some animations
965                                 m_animated_meshnode->setScale(v3f(m_prop.visual_size.X,
966                                                 m_prop.visual_size.Y,
967                                                 m_prop.visual_size.X));
968                                 u8 li = m_last_light;
969                                 setMeshColor(m_animated_meshnode->getMesh(), video::SColor(255,li,li,li));
970
971                                 m_animated_meshnode->setMaterialFlag(video::EMF_LIGHTING, false);
972                                 m_animated_meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, false);
973                                 m_animated_meshnode->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
974                                 m_animated_meshnode->setMaterialFlag(video::EMF_FOG_ENABLE, true);
975                         }
976                         else
977                                 errorstream<<"GenericCAO::addToScene(): Could not load mesh "<<m_prop.mesh<<std::endl;
978                 }
979                 else if(m_prop.visual == "wielditem"){
980                         infostream<<"GenericCAO::addToScene(): node"<<std::endl;
981                         infostream<<"textures: "<<m_prop.textures.size()<<std::endl;
982                         if(m_prop.textures.size() >= 1){
983                                 infostream<<"textures[0]: "<<m_prop.textures[0]<<std::endl;
984                                 IItemDefManager *idef = m_gamedef->idef();
985                                 ItemStack item(m_prop.textures[0], 1, 0, "", idef);
986                                 scene::IMesh *item_mesh = idef->getWieldMesh(item.getDefinition(idef).name, m_gamedef);
987                                 
988                                 // Copy mesh to be able to set unique vertex colors
989                                 scene::IMeshManipulator *manip =
990                                                 irr->getVideoDriver()->getMeshManipulator();
991                                 scene::IMesh *mesh = manip->createMeshUniquePrimitives(item_mesh);
992
993                                 m_meshnode = smgr->addMeshSceneNode(mesh, NULL);
994                                 mesh->drop();
995                                 
996                                 m_meshnode->setScale(v3f(m_prop.visual_size.X/2,
997                                                 m_prop.visual_size.Y/2,
998                                                 m_prop.visual_size.X/2));
999                                 u8 li = m_last_light;
1000                                 setMeshColor(m_meshnode->getMesh(), video::SColor(255,li,li,li));
1001                         }
1002                 } else {
1003                         infostream<<"GenericCAO::addToScene(): \""<<m_prop.visual
1004                                         <<"\" not supported"<<std::endl;
1005                 }
1006                 updateTextures("");
1007                 
1008                 scene::ISceneNode *node = NULL;
1009                 if(m_spritenode)
1010                         node = m_spritenode;
1011                 else if(m_animated_meshnode)
1012                         node = m_animated_meshnode;
1013                 else if(m_meshnode)
1014                         node = m_meshnode;
1015                 if(node && m_is_player && !m_is_local_player){
1016                         // Add a text node for showing the name
1017                         gui::IGUIEnvironment* gui = irr->getGUIEnvironment();
1018                         std::wstring wname = narrow_to_wide(m_name);
1019                         m_textnode = smgr->addTextSceneNode(gui->getBuiltInFont(),
1020                                         wname.c_str(), video::SColor(255,255,255,255), node);
1021                         m_textnode->setPosition(v3f(0, BS*1.1, 0));
1022                 }
1023
1024                 updateNodePos();
1025                 updateAnimation();
1026                 updateBonePosition();
1027                 updateAttachments();
1028         }
1029
1030         void expireVisuals()
1031         {
1032                 m_visuals_expired = true;
1033         }
1034                 
1035         void updateLight(u8 light_at_pos)
1036         {
1037                 u8 li = decode_light(light_at_pos);
1038                 if(li != m_last_light){
1039                         m_last_light = li;
1040                         video::SColor color(255,li,li,li);
1041                         if(m_meshnode)
1042                                 setMeshColor(m_meshnode->getMesh(), color);
1043                         if(m_animated_meshnode)
1044                                 setMeshColor(m_animated_meshnode->getMesh(), color);
1045                         if(m_spritenode)
1046                                 m_spritenode->setColor(color);
1047                 }
1048         }
1049
1050         v3s16 getLightPosition()
1051         {
1052                 return floatToInt(m_position, BS);
1053         }
1054
1055         void updateNodePos()
1056         {
1057                 if(getParent() != NULL)
1058                         return;
1059
1060                 if(m_meshnode){
1061                         m_meshnode->setPosition(pos_translator.vect_show);
1062                         v3f rot = m_meshnode->getRotation();
1063                         rot.Y = -m_yaw;
1064                         m_meshnode->setRotation(rot);
1065                 }
1066                 if(m_animated_meshnode){
1067                         m_animated_meshnode->setPosition(pos_translator.vect_show);
1068                         v3f rot = m_animated_meshnode->getRotation();
1069                         rot.Y = -m_yaw;
1070                         m_animated_meshnode->setRotation(rot);
1071                 }
1072                 if(m_spritenode){
1073                         m_spritenode->setPosition(pos_translator.vect_show);
1074                 }
1075         }
1076
1077         void step(float dtime, ClientEnvironment *env)
1078         {
1079                 if(m_visuals_expired && m_smgr && m_irr){
1080                         m_visuals_expired = false;
1081
1082                         // Attachments, part 1: All attached objects must be unparented first, or Irrlicht causes a segmentation fault
1083                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
1084                         {
1085                                 if(ii->Y == getId()) // This is a child of our parent
1086                                 {
1087                                         ClientActiveObject *obj = m_env->getActiveObject(ii->X); // Get the object of the child
1088                                         if(obj)
1089                                         {
1090                                                 scene::IMeshSceneNode *m_child_meshnode = obj->getMeshSceneNode();
1091                                                 scene::IAnimatedMeshSceneNode *m_child_animated_meshnode = obj->getAnimatedMeshSceneNode();
1092                                                 scene::IBillboardSceneNode *m_child_spritenode = obj->getSpriteSceneNode();
1093                                                 if(m_child_meshnode)
1094                                                         m_child_meshnode->setParent(m_smgr->getRootSceneNode());
1095                                                 if(m_child_animated_meshnode)
1096                                                         m_child_animated_meshnode->setParent(m_smgr->getRootSceneNode());
1097                                                 if(m_child_spritenode)
1098                                                         m_child_spritenode->setParent(m_smgr->getRootSceneNode());
1099                                         }
1100                                 }
1101                         }
1102
1103                         removeFromScene(false);
1104                         addToScene(m_smgr, m_gamedef->tsrc(), m_irr);
1105
1106                         // Attachments, part 2: Now that the parent has been refreshed, put its attachments back
1107                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
1108                         {
1109                                 if(ii->Y == getId()) // This is a child of our parent
1110                                 {
1111                                         ClientActiveObject *obj = m_env->getActiveObject(ii->X); // Get the object of the child
1112                                         if(obj)
1113                                                 obj->setAttachments();
1114                                 }
1115                         }
1116                 }
1117
1118                 // Make sure m_is_visible is always applied
1119                 if(m_meshnode)
1120                         m_meshnode->setVisible(m_is_visible);
1121                 if(m_animated_meshnode)
1122                         m_animated_meshnode->setVisible(m_is_visible);
1123                 if(m_spritenode)
1124                         m_spritenode->setVisible(m_is_visible);
1125                 if(m_textnode)
1126                         m_textnode->setVisible(m_is_visible);
1127
1128                 if(getParent() != NULL) // Attachments should be glued to their parent by Irrlicht
1129                 {
1130                         // Set these for later
1131                         m_position = getPosition();
1132                         m_velocity = v3f(0,0,0);
1133                         m_acceleration = v3f(0,0,0);
1134                         pos_translator.vect_show = m_position;
1135
1136                         if(m_is_local_player) // Update local player attachment position
1137                         {
1138                                 LocalPlayer *player = m_env->getLocalPlayer();
1139                                 player->overridePosition = getParent()->getPosition();
1140                                 m_env->getLocalPlayer()->parent = getParent();
1141                         }
1142                 }
1143                 else
1144                 {
1145                         v3f lastpos = pos_translator.vect_show;
1146
1147                         if(m_prop.physical){
1148                                 core::aabbox3d<f32> box = m_prop.collisionbox;
1149                                 box.MinEdge *= BS;
1150                                 box.MaxEdge *= BS;
1151                                 collisionMoveResult moveresult;
1152                                 f32 pos_max_d = BS*0.125; // Distance per iteration
1153                                 v3f p_pos = m_position;
1154                                 v3f p_velocity = m_velocity;
1155                                 v3f p_acceleration = m_acceleration;
1156                                 moveresult = collisionMoveSimple(env,env->getGameDef(),
1157                                                 pos_max_d, box, m_prop.stepheight, dtime,
1158                                                 p_pos, p_velocity, p_acceleration,
1159                                                 this, m_prop.collideWithObjects);
1160                                 // Apply results
1161                                 m_position = p_pos;
1162                                 m_velocity = p_velocity;
1163                                 m_acceleration = p_acceleration;
1164                                 
1165                                 bool is_end_position = moveresult.collides;
1166                                 pos_translator.update(m_position, is_end_position, dtime);
1167                                 pos_translator.translate(dtime);
1168                                 updateNodePos();
1169                         } else {
1170                                 m_position += dtime * m_velocity + 0.5 * dtime * dtime * m_acceleration;
1171                                 m_velocity += dtime * m_acceleration;
1172                                 pos_translator.update(m_position, pos_translator.aim_is_end, pos_translator.anim_time);
1173                                 pos_translator.translate(dtime);
1174                                 updateNodePos();
1175                         }
1176
1177                         float moved = lastpos.getDistanceFrom(pos_translator.vect_show);
1178                         m_step_distance_counter += moved;
1179                         if(m_step_distance_counter > 1.5*BS){
1180                                 m_step_distance_counter = 0;
1181                                 if(!m_is_local_player && m_prop.makes_footstep_sound){
1182                                         INodeDefManager *ndef = m_gamedef->ndef();
1183                                         v3s16 p = floatToInt(getPosition() + v3f(0,
1184                                                         (m_prop.collisionbox.MinEdge.Y-0.5)*BS, 0), BS);
1185                                         MapNode n = m_env->getMap().getNodeNoEx(p);
1186                                         SimpleSoundSpec spec = ndef->get(n).sound_footstep;
1187                                         m_gamedef->sound()->playSoundAt(spec, false, getPosition());
1188                                 }
1189                         }
1190                 }
1191
1192                 m_anim_timer += dtime;
1193                 if(m_anim_timer >= m_anim_framelength){
1194                         m_anim_timer -= m_anim_framelength;
1195                         m_anim_frame++;
1196                         if(m_anim_frame >= m_anim_num_frames)
1197                                 m_anim_frame = 0;
1198                 }
1199
1200                 updateTexturePos();
1201
1202                 if(m_reset_textures_timer >= 0){
1203                         m_reset_textures_timer -= dtime;
1204                         if(m_reset_textures_timer <= 0){
1205                                 m_reset_textures_timer = -1;
1206                                 updateTextures("");
1207                         }
1208                 }
1209                 if(getParent() == NULL && fabs(m_prop.automatic_rotate) > 0.001){
1210                         m_yaw += dtime * m_prop.automatic_rotate * 180 / M_PI;
1211                         updateNodePos();
1212                 }
1213
1214                 if (getParent() == NULL && m_prop.automatic_face_movement_dir){
1215                         m_yaw = atan2(m_velocity.Z,m_velocity.X) * 180 / M_PI;
1216                         updateNodePos();
1217                 }
1218         }
1219
1220         void updateTexturePos()
1221         {
1222                 if(m_spritenode){
1223                         scene::ICameraSceneNode* camera =
1224                                         m_spritenode->getSceneManager()->getActiveCamera();
1225                         if(!camera)
1226                                 return;
1227                         v3f cam_to_entity = m_spritenode->getAbsolutePosition()
1228                                         - camera->getAbsolutePosition();
1229                         cam_to_entity.normalize();
1230
1231                         int row = m_tx_basepos.Y;
1232                         int col = m_tx_basepos.X;
1233                         
1234                         if(m_tx_select_horiz_by_yawpitch)
1235                         {
1236                                 if(cam_to_entity.Y > 0.75)
1237                                         col += 5;
1238                                 else if(cam_to_entity.Y < -0.75)
1239                                         col += 4;
1240                                 else{
1241                                         float mob_dir = atan2(cam_to_entity.Z, cam_to_entity.X) / M_PI * 180.;
1242                                         float dir = mob_dir - m_yaw;
1243                                         dir = wrapDegrees_180(dir);
1244                                         //infostream<<"id="<<m_id<<" dir="<<dir<<std::endl;
1245                                         if(fabs(wrapDegrees_180(dir - 0)) <= 45.1)
1246                                                 col += 2;
1247                                         else if(fabs(wrapDegrees_180(dir - 90)) <= 45.1)
1248                                                 col += 3;
1249                                         else if(fabs(wrapDegrees_180(dir - 180)) <= 45.1)
1250                                                 col += 0;
1251                                         else if(fabs(wrapDegrees_180(dir + 90)) <= 45.1)
1252                                                 col += 1;
1253                                         else
1254                                                 col += 4;
1255                                 }
1256                         }
1257                         
1258                         // Animation goes downwards
1259                         row += m_anim_frame;
1260
1261                         float txs = m_tx_size.X;
1262                         float tys = m_tx_size.Y;
1263                         setBillboardTextureMatrix(m_spritenode,
1264                                         txs, tys, col, row);
1265                 }
1266         }
1267
1268         void updateTextures(const std::string &mod)
1269         {
1270                 ITextureSource *tsrc = m_gamedef->tsrc();
1271
1272                 bool use_trilinear_filter = g_settings->getBool("trilinear_filter");
1273                 bool use_bilinear_filter = g_settings->getBool("bilinear_filter");
1274                 bool use_anisotropic_filter = g_settings->getBool("anisotropic_filter");
1275
1276                 if(m_spritenode)
1277                 {
1278                         if(m_prop.visual == "sprite")
1279                         {
1280                                 std::string texturestring = "unknown_node.png";
1281                                 if(m_prop.textures.size() >= 1)
1282                                         texturestring = m_prop.textures[0];
1283                                 texturestring += mod;
1284                                 m_spritenode->setMaterialTexture(0,
1285                                                 tsrc->getTexture(texturestring));
1286
1287                                 // This allows setting per-material colors. However, until a real lighting
1288                                 // system is added, the code below will have no effect. Once MineTest
1289                                 // has directional lighting, it should work automatically.
1290                                 if(m_prop.colors.size() >= 1)
1291                                 {
1292                                         m_spritenode->getMaterial(0).AmbientColor = m_prop.colors[0];
1293                                         m_spritenode->getMaterial(0).DiffuseColor = m_prop.colors[0];
1294                                         m_spritenode->getMaterial(0).SpecularColor = m_prop.colors[0];
1295                                 }
1296
1297                                 m_spritenode->getMaterial(0).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1298                                 m_spritenode->getMaterial(0).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1299                                 m_spritenode->getMaterial(0).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1300                         }
1301                 }
1302                 if(m_animated_meshnode)
1303                 {
1304                         if(m_prop.visual == "mesh")
1305                         {
1306                                 for (u32 i = 0; i < m_prop.textures.size() && i < m_animated_meshnode->getMaterialCount(); ++i)
1307                                 {
1308                                         std::string texturestring = m_prop.textures[i];
1309                                         if(texturestring == "")
1310                                                 continue; // Empty texture string means don't modify that material
1311                                         texturestring += mod;
1312                                         video::ITexture* texture = tsrc->getTexture(texturestring);
1313                                         if(!texture)
1314                                         {
1315                                                 errorstream<<"GenericCAO::updateTextures(): Could not load texture "<<texturestring<<std::endl;
1316                                                 continue;
1317                                         }
1318
1319                                         // Set material flags and texture
1320                                         video::SMaterial& material = m_animated_meshnode->getMaterial(i);
1321                                         material.TextureLayer[0].Texture = texture;
1322                                         material.setFlag(video::EMF_LIGHTING, false);
1323                                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
1324
1325                                         m_animated_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1326                                         m_animated_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1327                                         m_animated_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1328                                 }
1329                                 for (u32 i = 0; i < m_prop.colors.size() && i < m_animated_meshnode->getMaterialCount(); ++i)
1330                                 {
1331                                         // This allows setting per-material colors. However, until a real lighting
1332                                         // system is added, the code below will have no effect. Once MineTest
1333                                         // has directional lighting, it should work automatically.
1334                                         m_animated_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1335                                         m_animated_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1336                                         m_animated_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1337                                 }
1338                         }
1339                 }
1340                 if(m_meshnode)
1341                 {
1342                         if(m_prop.visual == "cube")
1343                         {
1344                                 for (u32 i = 0; i < 6; ++i)
1345                                 {
1346                                         std::string texturestring = "unknown_node.png";
1347                                         if(m_prop.textures.size() > i)
1348                                                 texturestring = m_prop.textures[i];
1349                                         texturestring += mod;
1350
1351
1352                                         // Set material flags and texture
1353                                         video::SMaterial& material = m_meshnode->getMaterial(i);
1354                                         material.setFlag(video::EMF_LIGHTING, false);
1355                                         material.setFlag(video::EMF_BILINEAR_FILTER, false);
1356                                         material.setTexture(0,
1357                                                         tsrc->getTexture(texturestring));
1358                                         material.getTextureMatrix(0).makeIdentity();
1359
1360                                         // This allows setting per-material colors. However, until a real lighting
1361                                         // system is added, the code below will have no effect. Once MineTest
1362                                         // has directional lighting, it should work automatically.
1363                                         if(m_prop.colors.size() > i)
1364                                         {
1365                                                 m_meshnode->getMaterial(i).AmbientColor = m_prop.colors[i];
1366                                                 m_meshnode->getMaterial(i).DiffuseColor = m_prop.colors[i];
1367                                                 m_meshnode->getMaterial(i).SpecularColor = m_prop.colors[i];
1368                                         }
1369
1370                                         m_meshnode->getMaterial(i).setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1371                                         m_meshnode->getMaterial(i).setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1372                                         m_meshnode->getMaterial(i).setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1373                                 }
1374                         }
1375                         else if(m_prop.visual == "upright_sprite")
1376                         {
1377                                 scene::IMesh *mesh = m_meshnode->getMesh();
1378                                 {
1379                                         std::string tname = "unknown_object.png";
1380                                         if(m_prop.textures.size() >= 1)
1381                                                 tname = m_prop.textures[0];
1382                                         tname += mod;
1383                                         scene::IMeshBuffer *buf = mesh->getMeshBuffer(0);
1384                                         buf->getMaterial().setTexture(0,
1385                                                         tsrc->getTexture(tname));
1386                                         
1387                                         // This allows setting per-material colors. However, until a real lighting
1388                                         // system is added, the code below will have no effect. Once MineTest
1389                                         // has directional lighting, it should work automatically.
1390                                         if(m_prop.colors.size() >= 1)
1391                                         {
1392                                                 buf->getMaterial().AmbientColor = m_prop.colors[0];
1393                                                 buf->getMaterial().DiffuseColor = m_prop.colors[0];
1394                                                 buf->getMaterial().SpecularColor = m_prop.colors[0];
1395                                         }
1396
1397                                         buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1398                                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1399                                         buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1400                                 }
1401                                 {
1402                                         std::string tname = "unknown_object.png";
1403                                         if(m_prop.textures.size() >= 2)
1404                                                 tname = m_prop.textures[1];
1405                                         else if(m_prop.textures.size() >= 1)
1406                                                 tname = m_prop.textures[0];
1407                                         tname += mod;
1408                                         scene::IMeshBuffer *buf = mesh->getMeshBuffer(1);
1409                                         buf->getMaterial().setTexture(0,
1410                                                         tsrc->getTexture(tname));
1411
1412                                         // This allows setting per-material colors. However, until a real lighting
1413                                         // system is added, the code below will have no effect. Once MineTest
1414                                         // has directional lighting, it should work automatically.
1415                                         if(m_prop.colors.size() >= 2)
1416                                         {
1417                                                 buf->getMaterial().AmbientColor = m_prop.colors[1];
1418                                                 buf->getMaterial().DiffuseColor = m_prop.colors[1];
1419                                                 buf->getMaterial().SpecularColor = m_prop.colors[1];
1420                                         }
1421                                         else if(m_prop.colors.size() >= 1)
1422                                         {
1423                                                 buf->getMaterial().AmbientColor = m_prop.colors[0];
1424                                                 buf->getMaterial().DiffuseColor = m_prop.colors[0];
1425                                                 buf->getMaterial().SpecularColor = m_prop.colors[0];
1426                                         }
1427
1428                                         buf->getMaterial().setFlag(video::EMF_TRILINEAR_FILTER, use_trilinear_filter);
1429                                         buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, use_bilinear_filter);
1430                                         buf->getMaterial().setFlag(video::EMF_ANISOTROPIC_FILTER, use_anisotropic_filter);
1431                                 }
1432                         }
1433                 }
1434         }
1435
1436         void updateAnimation()
1437         {
1438                 if(m_animated_meshnode == NULL)
1439                         return;
1440
1441                 m_animated_meshnode->setFrameLoop((int)m_animation_range.X, (int)m_animation_range.Y);
1442                 m_animated_meshnode->setAnimationSpeed(m_animation_speed);
1443                 m_animated_meshnode->setTransitionTime(m_animation_blend);
1444         }
1445
1446         void updateBonePosition()
1447         {
1448                 if(!m_bone_position.size() || m_animated_meshnode == NULL)
1449                         return;
1450
1451                 m_animated_meshnode->setJointMode(irr::scene::EJUOR_CONTROL); // To write positions to the mesh on render
1452                 for(std::map<std::string, core::vector2d<v3f> >::const_iterator ii = m_bone_position.begin(); ii != m_bone_position.end(); ++ii){
1453                         std::string bone_name = (*ii).first;
1454                         v3f bone_pos = (*ii).second.X;
1455                         v3f bone_rot = (*ii).second.Y;
1456                         irr::scene::IBoneSceneNode* bone = m_animated_meshnode->getJointNode(bone_name.c_str());
1457                         if(bone)
1458                         {
1459                                 bone->setPosition(bone_pos);
1460                                 bone->setRotation(bone_rot);
1461                         }
1462                 }
1463         }
1464         
1465         void updateAttachments()
1466         {
1467                 m_attached_to_local = getParent() != NULL && getParent()->isLocalPlayer();
1468                 m_is_visible = !m_attached_to_local; // Objects attached to the local player should always be hidden
1469
1470                 if(getParent() == NULL || m_attached_to_local) // Detach or don't attach
1471                 {
1472                         if(m_meshnode)
1473                         {
1474                                 v3f old_position = m_meshnode->getAbsolutePosition();
1475                                 v3f old_rotation = m_meshnode->getRotation();
1476                                 m_meshnode->setParent(m_smgr->getRootSceneNode());
1477                                 m_meshnode->setPosition(old_position);
1478                                 m_meshnode->setRotation(old_rotation);
1479                                 m_meshnode->updateAbsolutePosition();
1480                         }
1481                         if(m_animated_meshnode)
1482                         {
1483                                 v3f old_position = m_animated_meshnode->getAbsolutePosition();
1484                                 v3f old_rotation = m_animated_meshnode->getRotation();
1485                                 m_animated_meshnode->setParent(m_smgr->getRootSceneNode());
1486                                 m_animated_meshnode->setPosition(old_position);
1487                                 m_animated_meshnode->setRotation(old_rotation);
1488                                 m_animated_meshnode->updateAbsolutePosition();
1489                         }
1490                         if(m_spritenode)
1491                         {
1492                                 v3f old_position = m_spritenode->getAbsolutePosition();
1493                                 v3f old_rotation = m_spritenode->getRotation();
1494                                 m_spritenode->setParent(m_smgr->getRootSceneNode());
1495                                 m_spritenode->setPosition(old_position);
1496                                 m_spritenode->setRotation(old_rotation);
1497                                 m_spritenode->updateAbsolutePosition();
1498                         }
1499                         if(m_is_local_player)
1500                         {
1501                                 LocalPlayer *player = m_env->getLocalPlayer();
1502                                 player->isAttached = false;
1503                         }
1504                 }
1505                 else // Attach
1506                 {
1507                         scene::IMeshSceneNode *parent_mesh = NULL;
1508                         if(getParent()->getMeshSceneNode())
1509                                 parent_mesh = getParent()->getMeshSceneNode();
1510                         scene::IAnimatedMeshSceneNode *parent_animated_mesh = NULL;
1511                         if(getParent()->getAnimatedMeshSceneNode())
1512                                 parent_animated_mesh = getParent()->getAnimatedMeshSceneNode();
1513                         scene::IBillboardSceneNode *parent_sprite = NULL;
1514                         if(getParent()->getSpriteSceneNode())
1515                                 parent_sprite = getParent()->getSpriteSceneNode();
1516
1517                         scene::IBoneSceneNode *parent_bone = NULL;
1518                         if(parent_animated_mesh && m_attachment_bone != "")
1519                                 parent_bone = parent_animated_mesh->getJointNode(m_attachment_bone.c_str());
1520
1521                         // The spaghetti code below makes sure attaching works if either the parent or child is a spritenode, meshnode, or animatedmeshnode
1522                         // TODO: Perhaps use polymorphism here to save code duplication
1523                         if(m_meshnode){
1524                                 if(parent_bone){
1525                                         m_meshnode->setParent(parent_bone);
1526                                         m_meshnode->setPosition(m_attachment_position);
1527                                         m_meshnode->setRotation(m_attachment_rotation);
1528                                         m_meshnode->updateAbsolutePosition();
1529                                 }
1530                                 else
1531                                 {
1532                                         if(parent_mesh){
1533                                                 m_meshnode->setParent(parent_mesh);
1534                                                 m_meshnode->setPosition(m_attachment_position);
1535                                                 m_meshnode->setRotation(m_attachment_rotation);
1536                                                 m_meshnode->updateAbsolutePosition();
1537                                         }
1538                                         else if(parent_animated_mesh){
1539                                                 m_meshnode->setParent(parent_animated_mesh);
1540                                                 m_meshnode->setPosition(m_attachment_position);
1541                                                 m_meshnode->setRotation(m_attachment_rotation);
1542                                                 m_meshnode->updateAbsolutePosition();
1543                                         }
1544                                         else if(parent_sprite){
1545                                                 m_meshnode->setParent(parent_sprite);
1546                                                 m_meshnode->setPosition(m_attachment_position);
1547                                                 m_meshnode->setRotation(m_attachment_rotation);
1548                                                 m_meshnode->updateAbsolutePosition();
1549                                         }
1550                                 }
1551                         }
1552                         if(m_animated_meshnode){
1553                                 if(parent_bone){
1554                                         m_animated_meshnode->setParent(parent_bone);
1555                                         m_animated_meshnode->setPosition(m_attachment_position);
1556                                         m_animated_meshnode->setRotation(m_attachment_rotation);
1557                                         m_animated_meshnode->updateAbsolutePosition();
1558                                 }
1559                                 else
1560                                 {
1561                                         if(parent_mesh){
1562                                                 m_animated_meshnode->setParent(parent_mesh);
1563                                                 m_animated_meshnode->setPosition(m_attachment_position);
1564                                                 m_animated_meshnode->setRotation(m_attachment_rotation);
1565                                                 m_animated_meshnode->updateAbsolutePosition();
1566                                         }
1567                                         else if(parent_animated_mesh){
1568                                                 m_animated_meshnode->setParent(parent_animated_mesh);
1569                                                 m_animated_meshnode->setPosition(m_attachment_position);
1570                                                 m_animated_meshnode->setRotation(m_attachment_rotation);
1571                                                 m_animated_meshnode->updateAbsolutePosition();
1572                                         }
1573                                         else if(parent_sprite){
1574                                                 m_animated_meshnode->setParent(parent_sprite);
1575                                                 m_animated_meshnode->setPosition(m_attachment_position);
1576                                                 m_animated_meshnode->setRotation(m_attachment_rotation);
1577                                                 m_animated_meshnode->updateAbsolutePosition();
1578                                         }
1579                                 }
1580                         }
1581                         if(m_spritenode){
1582                                 if(parent_bone){
1583                                         m_spritenode->setParent(parent_bone);
1584                                         m_spritenode->setPosition(m_attachment_position);
1585                                         m_spritenode->setRotation(m_attachment_rotation);
1586                                         m_spritenode->updateAbsolutePosition();
1587                                 }
1588                                 else
1589                                 {
1590                                         if(parent_mesh){
1591                                                 m_spritenode->setParent(parent_mesh);
1592                                                 m_spritenode->setPosition(m_attachment_position);
1593                                                 m_spritenode->setRotation(m_attachment_rotation);
1594                                                 m_spritenode->updateAbsolutePosition();
1595                                         }
1596                                         else if(parent_animated_mesh){
1597                                                 m_spritenode->setParent(parent_animated_mesh);
1598                                                 m_spritenode->setPosition(m_attachment_position);
1599                                                 m_spritenode->setRotation(m_attachment_rotation);
1600                                                 m_spritenode->updateAbsolutePosition();
1601                                         }
1602                                         else if(parent_sprite){
1603                                                 m_spritenode->setParent(parent_sprite);
1604                                                 m_spritenode->setPosition(m_attachment_position);
1605                                                 m_spritenode->setRotation(m_attachment_rotation);
1606                                                 m_spritenode->updateAbsolutePosition();
1607                                         }
1608                                 }
1609                         }
1610                         if(m_is_local_player)
1611                         {
1612                                 LocalPlayer *player = m_env->getLocalPlayer();
1613                                 player->isAttached = true;
1614                         }
1615                 }
1616         }
1617
1618         void processMessage(const std::string &data)
1619         {
1620                 //infostream<<"GenericCAO: Got message"<<std::endl;
1621                 std::istringstream is(data, std::ios::binary);
1622                 // command
1623                 u8 cmd = readU8(is);
1624                 if(cmd == GENERIC_CMD_SET_PROPERTIES)
1625                 {
1626                         m_prop = gob_read_set_properties(is);
1627
1628                         m_selection_box = m_prop.collisionbox;
1629                         m_selection_box.MinEdge *= BS;
1630                         m_selection_box.MaxEdge *= BS;
1631                                 
1632                         m_tx_size.X = 1.0 / m_prop.spritediv.X;
1633                         m_tx_size.Y = 1.0 / m_prop.spritediv.Y;
1634
1635                         if(!m_initial_tx_basepos_set){
1636                                 m_initial_tx_basepos_set = true;
1637                                 m_tx_basepos = m_prop.initial_sprite_basepos;
1638                         }
1639                         
1640                         expireVisuals();
1641                 }
1642                 else if(cmd == GENERIC_CMD_UPDATE_POSITION)
1643                 {
1644                         // Not sent by the server if this object is an attachment.
1645                         // We might however get here if the server notices the object being detached before the client.
1646                         m_position = readV3F1000(is);
1647                         m_velocity = readV3F1000(is);
1648                         m_acceleration = readV3F1000(is);
1649                         if(fabs(m_prop.automatic_rotate) < 0.001)
1650                                 m_yaw = readF1000(is);
1651                         bool do_interpolate = readU8(is);
1652                         bool is_end_position = readU8(is);
1653                         float update_interval = readF1000(is);
1654
1655                         // Place us a bit higher if we're physical, to not sink into
1656                         // the ground due to sucky collision detection...
1657                         if(m_prop.physical)
1658                                 m_position += v3f(0,0.002,0);
1659
1660                         if(getParent() != NULL) // Just in case
1661                                 return;
1662
1663                         if(do_interpolate){
1664                                 if(!m_prop.physical)
1665                                         pos_translator.update(m_position, is_end_position, update_interval);
1666                         } else {
1667                                 pos_translator.init(m_position);
1668                         }
1669                         updateNodePos();
1670                 }
1671                 else if(cmd == GENERIC_CMD_SET_TEXTURE_MOD)
1672                 {
1673                         std::string mod = deSerializeString(is);
1674                         updateTextures(mod);
1675                 }
1676                 else if(cmd == GENERIC_CMD_SET_SPRITE)
1677                 {
1678                         v2s16 p = readV2S16(is);
1679                         int num_frames = readU16(is);
1680                         float framelength = readF1000(is);
1681                         bool select_horiz_by_yawpitch = readU8(is);
1682                         
1683                         m_tx_basepos = p;
1684                         m_anim_num_frames = num_frames;
1685                         m_anim_framelength = framelength;
1686                         m_tx_select_horiz_by_yawpitch = select_horiz_by_yawpitch;
1687
1688                         updateTexturePos();
1689                 }
1690                 else if(cmd == GENERIC_CMD_SET_PHYSICS_OVERRIDE)
1691                 {
1692                         float override_speed = readF1000(is);
1693                         float override_jump = readF1000(is);
1694                         float override_gravity = readF1000(is);
1695                         if(m_is_local_player)
1696                         {
1697                                 LocalPlayer *player = m_env->getLocalPlayer();
1698                                 player->physics_override_speed = override_speed;
1699                                 player->physics_override_jump = override_jump;
1700                                 player->physics_override_gravity = override_gravity;
1701                         }
1702                 }
1703                 else if(cmd == GENERIC_CMD_SET_ANIMATION)
1704                 {
1705                         m_animation_range = readV2F1000(is);
1706                         m_animation_speed = readF1000(is);
1707                         m_animation_blend = readF1000(is);
1708
1709                         updateAnimation();
1710                 }
1711                 else if(cmd == GENERIC_CMD_SET_BONE_POSITION)
1712                 {
1713                         std::string bone = deSerializeString(is);
1714                         v3f position = readV3F1000(is);
1715                         v3f rotation = readV3F1000(is);
1716                         m_bone_position[bone] = core::vector2d<v3f>(position, rotation);
1717
1718                         updateBonePosition();
1719                 }
1720                 else if(cmd == GENERIC_CMD_SET_ATTACHMENT)
1721                 {
1722                         // If an entry already exists for this object, delete it first to avoid duplicates
1723                         for(std::vector<core::vector2d<int> >::iterator ii = m_env->attachment_list.begin(); ii != m_env->attachment_list.end(); ii++)
1724                         {
1725                                 if(ii->X == getId()) // This is the ID of our object
1726                                 {
1727                                         m_env->attachment_list.erase(ii);
1728                                         break;
1729                                 }
1730                         }
1731                         m_env->attachment_list.push_back(core::vector2d<int>(getId(), readS16(is)));
1732                         m_attachment_bone = deSerializeString(is);
1733                         m_attachment_position = readV3F1000(is);
1734                         m_attachment_rotation = readV3F1000(is);
1735
1736                         updateAttachments();
1737                 }
1738                 else if(cmd == GENERIC_CMD_PUNCHED)
1739                 {
1740                         /*s16 damage =*/ readS16(is);
1741                         s16 result_hp = readS16(is);
1742
1743                         // Use this instead of the send damage to not interfere with prediction
1744                         s16 damage = m_hp - result_hp;
1745
1746                         m_hp = result_hp;
1747
1748                         if (damage > 0) {
1749                                 if (m_hp <= 0) {
1750                                         // TODO: Execute defined fast response
1751                                         // As there is no definition, make a smoke puff
1752                                         ClientSimpleObject *simple = createSmokePuff(
1753                                                         m_smgr, m_env, m_position,
1754                                                         m_prop.visual_size * BS);
1755                                         m_env->addSimpleObject(simple);
1756                                 } else {
1757                                         // TODO: Execute defined fast response
1758                                         // Flashing shall suffice as there is no definition
1759                                         m_reset_textures_timer = 0.05;
1760                                         if(damage >= 2)
1761                                                 m_reset_textures_timer += 0.05 * damage;
1762                                         updateTextures("^[brighten");
1763                                 }
1764                         }
1765                 }
1766                 else if(cmd == GENERIC_CMD_UPDATE_ARMOR_GROUPS)
1767                 {
1768                         m_armor_groups.clear();
1769                         int armor_groups_size = readU16(is);
1770                         for(int i=0; i<armor_groups_size; i++){
1771                                 std::string name = deSerializeString(is);
1772                                 int rating = readS16(is);
1773                                 m_armor_groups[name] = rating;
1774                         }
1775                 }
1776         }
1777         
1778         bool directReportPunch(v3f dir, const ItemStack *punchitem=NULL,
1779                         float time_from_last_punch=1000000)
1780         {
1781                 assert(punchitem);
1782                 const ToolCapabilities *toolcap =
1783                                 &punchitem->getToolCapabilities(m_gamedef->idef());
1784                 PunchDamageResult result = getPunchDamage(
1785                                 m_armor_groups,
1786                                 toolcap,
1787                                 punchitem,
1788                                 time_from_last_punch);
1789
1790                 if(result.did_punch && result.damage != 0)
1791                 {
1792                         if(result.damage < m_hp){
1793                                 m_hp -= result.damage;
1794                         } else {
1795                                 m_hp = 0;
1796                                 // TODO: Execute defined fast response
1797                                 // As there is no definition, make a smoke puff
1798                                 ClientSimpleObject *simple = createSmokePuff(
1799                                                 m_smgr, m_env, m_position,
1800                                                 m_prop.visual_size * BS);
1801                                 m_env->addSimpleObject(simple);
1802                         }
1803                         // TODO: Execute defined fast response
1804                         // Flashing shall suffice as there is no definition
1805                         m_reset_textures_timer = 0.05;
1806                         if(result.damage >= 2)
1807                                 m_reset_textures_timer += 0.05 * result.damage;
1808                         updateTextures("^[brighten");
1809                 }
1810                 
1811                 return false;
1812         }
1813         
1814         std::string debugInfoText()
1815         {
1816                 std::ostringstream os(std::ios::binary);
1817                 os<<"GenericCAO hp="<<m_hp<<"\n";
1818                 os<<"armor={";
1819                 for(ItemGroupList::const_iterator i = m_armor_groups.begin();
1820                                 i != m_armor_groups.end(); i++){
1821                         os<<i->first<<"="<<i->second<<", ";
1822                 }
1823                 os<<"}";
1824                 return os.str();
1825         }
1826 };
1827
1828 // Prototype
1829 GenericCAO proto_GenericCAO(NULL, NULL);
1830
1831