3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4 Copyright (C) 2013 Kahrl <kahrl@gmx.net>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License along
17 with this program; if not, write to the Free Software Foundation, Inc.,
18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 #include "inventory.h"
27 #include "mapblock_mesh.h"
29 #include "wieldmesh.h"
30 #include "client/tile.h"
35 #include "util/serialize.h"
36 #include "util/container.h"
37 #include "util/thread.h"
48 ItemDefinition::ItemDefinition()
53 ItemDefinition::ItemDefinition(const ItemDefinition &def)
59 ItemDefinition& ItemDefinition::operator=(const ItemDefinition &def)
68 description = def.description;
69 inventory_image = def.inventory_image;
70 wield_image = def.wield_image;
71 wield_scale = def.wield_scale;
72 stack_max = def.stack_max;
74 liquids_pointable = def.liquids_pointable;
75 if(def.tool_capabilities)
77 tool_capabilities = new ToolCapabilities(
78 *def.tool_capabilities);
81 node_placement_prediction = def.node_placement_prediction;
82 sound_place = def.sound_place;
83 sound_place_failed = def.sound_place_failed;
85 palette_image = def.palette_image;
90 ItemDefinition::~ItemDefinition()
95 void ItemDefinition::resetInitial()
97 // Initialize pointers to NULL so reset() does not delete undefined pointers
98 tool_capabilities = NULL;
102 void ItemDefinition::reset()
107 inventory_image = "";
110 color = video::SColor(0xFFFFFFFF);
111 wield_scale = v3f(1.0, 1.0, 1.0);
114 liquids_pointable = false;
115 if(tool_capabilities)
117 delete tool_capabilities;
118 tool_capabilities = NULL;
121 sound_place = SimpleSoundSpec();
122 sound_place_failed = SimpleSoundSpec();
125 node_placement_prediction = "";
128 void ItemDefinition::serialize(std::ostream &os, u16 protocol_version) const
131 writeU8(os, 3); // version (proto > 20)
133 os << serializeString(name);
134 os << serializeString(description);
135 os << serializeString(inventory_image);
136 os << serializeString(wield_image);
137 writeV3F1000(os, wield_scale);
138 writeS16(os, stack_max);
140 writeU8(os, liquids_pointable);
141 std::string tool_capabilities_s = "";
142 if(tool_capabilities){
143 std::ostringstream tmp_os(std::ios::binary);
144 tool_capabilities->serialize(tmp_os, protocol_version);
145 tool_capabilities_s = tmp_os.str();
147 os << serializeString(tool_capabilities_s);
148 writeU16(os, groups.size());
149 for (ItemGroupList::const_iterator
150 i = groups.begin(); i != groups.end(); ++i){
151 os << serializeString(i->first);
152 writeS16(os, i->second);
154 os << serializeString(node_placement_prediction);
155 os << serializeString(sound_place.name);
156 writeF1000(os, sound_place.gain);
157 writeF1000(os, range);
158 os << serializeString(sound_place_failed.name);
159 writeF1000(os, sound_place_failed.gain);
160 os << serializeString(palette_image);
161 writeU32(os, color.color);
164 void ItemDefinition::deSerialize(std::istream &is)
170 int version = readU8(is);
171 if(version < 1 || version > 3)
172 throw SerializationError("unsupported ItemDefinition version");
173 type = (enum ItemType)readU8(is);
174 name = deSerializeString(is);
175 description = deSerializeString(is);
176 inventory_image = deSerializeString(is);
177 wield_image = deSerializeString(is);
178 wield_scale = readV3F1000(is);
179 stack_max = readS16(is);
181 liquids_pointable = readU8(is);
182 std::string tool_capabilities_s = deSerializeString(is);
183 if(!tool_capabilities_s.empty())
185 std::istringstream tmp_is(tool_capabilities_s, std::ios::binary);
186 tool_capabilities = new ToolCapabilities;
187 tool_capabilities->deSerialize(tmp_is);
190 u32 groups_size = readU16(is);
191 for(u32 i=0; i<groups_size; i++){
192 std::string name = deSerializeString(is);
193 int value = readS16(is);
194 groups[name] = value;
197 // We cant be sure that node_placement_prediction is send in version 1
199 node_placement_prediction = deSerializeString(is);
200 }catch(SerializationError &e) {};
201 // Set the old default sound
202 sound_place.name = "default_place_node";
203 sound_place.gain = 0.5;
204 } else if(version >= 2) {
205 node_placement_prediction = deSerializeString(is);
206 //deserializeSimpleSoundSpec(sound_place, is);
207 sound_place.name = deSerializeString(is);
208 sound_place.gain = readF1000(is);
211 range = readF1000(is);
213 // If you add anything here, insert it primarily inside the try-catch
214 // block to not need to increase the version.
216 sound_place_failed.name = deSerializeString(is);
217 sound_place_failed.gain = readF1000(is);
218 palette_image = deSerializeString(is);
219 color.set(readU32(is));
220 } catch(SerializationError &e) {};
227 // SUGG: Support chains of aliases?
229 class CItemDefManager: public IWritableItemDefManager
234 video::ITexture *inventory_texture;
239 inventory_texture(NULL),
251 m_main_thread = thr_get_current_thread_id();
255 virtual ~CItemDefManager()
258 const std::vector<ClientCached*> &values = m_clientcached.getValues();
259 for(std::vector<ClientCached*>::const_iterator
260 i = values.begin(); i != values.end(); ++i)
262 ClientCached *cc = *i;
263 if (cc->wield_mesh.mesh)
264 cc->wield_mesh.mesh->drop();
269 for (std::map<std::string, ItemDefinition*>::iterator iter =
270 m_item_definitions.begin(); iter != m_item_definitions.end();
274 m_item_definitions.clear();
276 virtual const ItemDefinition& get(const std::string &name_) const
278 // Convert name according to possible alias
279 std::string name = getAlias(name_);
280 // Get the definition
281 std::map<std::string, ItemDefinition*>::const_iterator i;
282 i = m_item_definitions.find(name);
283 if(i == m_item_definitions.end())
284 i = m_item_definitions.find("unknown");
285 assert(i != m_item_definitions.end());
288 virtual const std::string &getAlias(const std::string &name) const
290 StringMap::const_iterator it = m_aliases.find(name);
291 if (it != m_aliases.end())
295 virtual void getAll(std::set<std::string> &result) const
298 for(std::map<std::string, ItemDefinition *>::const_iterator
299 it = m_item_definitions.begin();
300 it != m_item_definitions.end(); ++it) {
301 result.insert(it->first);
303 for (StringMap::const_iterator
304 it = m_aliases.begin();
305 it != m_aliases.end(); ++it) {
306 result.insert(it->first);
309 virtual bool isKnown(const std::string &name_) const
311 // Convert name according to possible alias
312 std::string name = getAlias(name_);
313 // Get the definition
314 std::map<std::string, ItemDefinition*>::const_iterator i;
315 return m_item_definitions.find(name) != m_item_definitions.end();
319 ClientCached* createClientCachedDirect(const std::string &name,
320 Client *client) const
322 infostream<<"Lazily creating item texture and mesh for \""
323 <<name<<"\""<<std::endl;
325 // This is not thread-safe
326 sanity_check(thr_is_current_thread(m_main_thread));
328 // Skip if already in cache
329 ClientCached *cc = NULL;
330 m_clientcached.get(name, &cc);
334 ITextureSource *tsrc = client->getTextureSource();
335 const ItemDefinition &def = get(name);
337 // Create new ClientCached
338 cc = new ClientCached();
340 // Create an inventory texture
341 cc->inventory_texture = NULL;
342 if(def.inventory_image != "")
343 cc->inventory_texture = tsrc->getTexture(def.inventory_image);
345 ItemStack item = ItemStack();
346 item.name = def.name;
348 getItemMesh(client, item, &(cc->wield_mesh));
350 cc->palette = tsrc->getPalette(def.palette_image);
353 m_clientcached.set(name, cc);
357 ClientCached* getClientCached(const std::string &name,
358 Client *client) const
360 ClientCached *cc = NULL;
361 m_clientcached.get(name, &cc);
365 if(thr_is_current_thread(m_main_thread))
367 return createClientCachedDirect(name, client);
371 // We're gonna ask the result to be put into here
372 static ResultQueue<std::string, ClientCached*, u8, u8> result_queue;
374 // Throw a request in
375 m_get_clientcached_queue.add(name, 0, 0, &result_queue);
378 // Wait result for a second
379 GetResult<std::string, ClientCached*, u8, u8>
380 result = result_queue.pop_front(1000);
382 if (result.key == name) {
387 catch(ItemNotFoundException &e)
389 errorstream<<"Waiting for clientcached " << name << " timed out."<<std::endl;
390 return &m_dummy_clientcached;
394 // Get item inventory texture
395 virtual video::ITexture* getInventoryTexture(const std::string &name,
396 Client *client) const
398 ClientCached *cc = getClientCached(name, client);
401 return cc->inventory_texture;
403 // Get item wield mesh
404 virtual ItemMesh* getWieldMesh(const std::string &name,
405 Client *client) const
407 ClientCached *cc = getClientCached(name, client);
410 return &(cc->wield_mesh);
414 virtual Palette* getPalette(const std::string &name,
415 Client *client) const
417 ClientCached *cc = getClientCached(name, client);
423 virtual video::SColor getItemstackColor(const ItemStack &stack,
424 Client *client) const
426 // Look for direct color definition
427 const std::string &colorstring = stack.metadata.getString("color", 0);
428 video::SColor directcolor;
429 if ((colorstring != "")
430 && parseColorString(colorstring, directcolor, true))
432 // See if there is a palette
433 Palette *palette = getPalette(stack.name, client);
434 const std::string &index = stack.metadata.getString("palette_index", 0);
435 if ((palette != NULL) && (index != ""))
436 return (*palette)[mystoi(index, 0, 255)];
438 return get(stack.name).color;
443 for(std::map<std::string, ItemDefinition*>::const_iterator
444 i = m_item_definitions.begin();
445 i != m_item_definitions.end(); ++i)
449 m_item_definitions.clear();
452 // Add the four builtin items:
454 // "unknown" is returned whenever an undefined item
455 // is accessed (is also the unknown node)
456 // "air" is the air node
457 // "ignore" is the ignore node
459 ItemDefinition* hand_def = new ItemDefinition;
461 hand_def->wield_image = "wieldhand.png";
462 hand_def->tool_capabilities = new ToolCapabilities;
463 m_item_definitions.insert(std::make_pair("", hand_def));
465 ItemDefinition* unknown_def = new ItemDefinition;
466 unknown_def->type = ITEM_NODE;
467 unknown_def->name = "unknown";
468 m_item_definitions.insert(std::make_pair("unknown", unknown_def));
470 ItemDefinition* air_def = new ItemDefinition;
471 air_def->type = ITEM_NODE;
472 air_def->name = "air";
473 m_item_definitions.insert(std::make_pair("air", air_def));
475 ItemDefinition* ignore_def = new ItemDefinition;
476 ignore_def->type = ITEM_NODE;
477 ignore_def->name = "ignore";
478 m_item_definitions.insert(std::make_pair("ignore", ignore_def));
480 virtual void registerItem(const ItemDefinition &def)
482 verbosestream<<"ItemDefManager: registering \""<<def.name<<"\""<<std::endl;
483 // Ensure that the "" item (the hand) always has ToolCapabilities
485 FATAL_ERROR_IF(!def.tool_capabilities, "Hand does not have ToolCapabilities");
487 if(m_item_definitions.count(def.name) == 0)
488 m_item_definitions[def.name] = new ItemDefinition(def);
490 *(m_item_definitions[def.name]) = def;
492 // Remove conflicting alias if it exists
493 bool alias_removed = (m_aliases.erase(def.name) != 0);
495 infostream<<"ItemDefManager: erased alias "<<def.name
496 <<" because item was defined"<<std::endl;
498 virtual void unregisterItem(const std::string &name)
500 verbosestream<<"ItemDefManager: unregistering \""<<name<<"\""<<std::endl;
502 delete m_item_definitions[name];
503 m_item_definitions.erase(name);
505 virtual void registerAlias(const std::string &name,
506 const std::string &convert_to)
508 if (m_item_definitions.find(name) == m_item_definitions.end()) {
509 verbosestream<<"ItemDefManager: setting alias "<<name
510 <<" -> "<<convert_to<<std::endl;
511 m_aliases[name] = convert_to;
514 void serialize(std::ostream &os, u16 protocol_version)
516 writeU8(os, 0); // version
517 u16 count = m_item_definitions.size();
520 for (std::map<std::string, ItemDefinition *>::const_iterator
521 it = m_item_definitions.begin();
522 it != m_item_definitions.end(); ++it) {
523 ItemDefinition *def = it->second;
524 // Serialize ItemDefinition and write wrapped in a string
525 std::ostringstream tmp_os(std::ios::binary);
526 def->serialize(tmp_os, protocol_version);
527 os << serializeString(tmp_os.str());
530 writeU16(os, m_aliases.size());
532 for (StringMap::const_iterator
533 it = m_aliases.begin();
534 it != m_aliases.end(); ++it) {
535 os << serializeString(it->first);
536 os << serializeString(it->second);
539 void deSerialize(std::istream &is)
544 int version = readU8(is);
546 throw SerializationError("unsupported ItemDefManager version");
547 u16 count = readU16(is);
548 for(u16 i=0; i<count; i++)
550 // Deserialize a string and grab an ItemDefinition from it
551 std::istringstream tmp_is(deSerializeString(is), std::ios::binary);
553 def.deSerialize(tmp_is);
557 u16 num_aliases = readU16(is);
558 for(u16 i=0; i<num_aliases; i++)
560 std::string name = deSerializeString(is);
561 std::string convert_to = deSerializeString(is);
562 registerAlias(name, convert_to);
565 void processQueue(IGameDef *gamedef)
568 //NOTE this is only thread safe for ONE consumer thread!
569 while(!m_get_clientcached_queue.empty())
571 GetRequest<std::string, ClientCached*, u8, u8>
572 request = m_get_clientcached_queue.pop();
574 m_get_clientcached_queue.pushResult(request,
575 createClientCachedDirect(request.key, (Client *)gamedef));
581 std::map<std::string, ItemDefinition*> m_item_definitions;
585 // The id of the thread that is allowed to use irrlicht directly
586 threadid_t m_main_thread;
587 // A reference to this can be returned when nothing is found, to avoid NULLs
588 mutable ClientCached m_dummy_clientcached;
589 // Cached textures and meshes
590 mutable MutexedMap<std::string, ClientCached*> m_clientcached;
591 // Queued clientcached fetches (to be processed by the main thread)
592 mutable RequestQueue<std::string, ClientCached*, u8, u8> m_get_clientcached_queue;
596 IWritableItemDefManager* createItemDefManager()
598 return new CItemDefManager();