3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
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 General Public License for more details.
15 You should have received a copy of the GNU 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.
20 #include "nodemetadata.h"
23 #include "exceptions.h"
24 #include "inventory.h"
31 core::map<u16, NodeMetadata::Factory> NodeMetadata::m_types;
33 NodeMetadata::NodeMetadata()
37 NodeMetadata::~NodeMetadata()
41 NodeMetadata* NodeMetadata::deSerialize(std::istream &is)
45 is.read((char*)buf, 2);
46 s16 id = readS16(buf);
49 std::string data = deSerializeString(is);
51 // Find factory function
52 core::map<u16, Factory>::Node *n;
56 // If factory is not found, just return.
57 dstream<<"WARNING: NodeMetadata: No factory for typeId="
62 // Try to load the metadata. If it fails, just return.
65 std::istringstream iss(data, std::ios_base::binary);
67 Factory f = n->getValue();
68 NodeMetadata *meta = (*f)(iss);
71 catch(SerializationError &e)
73 dstream<<"WARNING: NodeMetadata: ignoring SerializationError"<<std::endl;
78 void NodeMetadata::serialize(std::ostream &os)
81 writeU16(buf, typeId());
82 os.write((char*)buf, 2);
84 std::ostringstream oss(std::ios_base::binary);
86 os<<serializeString(oss.str());
89 void NodeMetadata::registerType(u16 id, Factory f)
91 core::map<u16, Factory>::Node *n;
95 m_types.insert(id, f);
102 SignNodeMetadata::SignNodeMetadata(std::string text):
105 NodeMetadata::registerType(typeId(), create);
107 u16 SignNodeMetadata::typeId() const
109 return CONTENT_SIGN_WALL;
111 NodeMetadata* SignNodeMetadata::create(std::istream &is)
113 std::string text = deSerializeString(is);
114 return new SignNodeMetadata(text);
116 NodeMetadata* SignNodeMetadata::clone()
118 return new SignNodeMetadata(m_text);
120 void SignNodeMetadata::serializeBody(std::ostream &os)
122 os<<serializeString(m_text);
124 std::string SignNodeMetadata::infoText()
126 return std::string("\"")+m_text+"\"";
133 ChestNodeMetadata::ChestNodeMetadata()
135 NodeMetadata::registerType(typeId(), create);
137 m_inventory = new Inventory();
138 m_inventory->addList("0", 8*4);
140 ChestNodeMetadata::~ChestNodeMetadata()
144 u16 ChestNodeMetadata::typeId() const
146 return CONTENT_CHEST;
148 NodeMetadata* ChestNodeMetadata::create(std::istream &is)
150 ChestNodeMetadata *d = new ChestNodeMetadata();
151 d->m_inventory->deSerialize(is);
154 NodeMetadata* ChestNodeMetadata::clone()
156 ChestNodeMetadata *d = new ChestNodeMetadata();
157 *d->m_inventory = *m_inventory;
160 void ChestNodeMetadata::serializeBody(std::ostream &os)
162 m_inventory->serialize(os);
164 std::string ChestNodeMetadata::infoText()
168 bool ChestNodeMetadata::nodeRemovalDisabled()
171 Disable removal if chest contains something
173 InventoryList *list = m_inventory->getList("0");
176 if(list->getUsedSlots() == 0)
185 FurnaceNodeMetadata::FurnaceNodeMetadata()
187 NodeMetadata::registerType(typeId(), create);
189 m_inventory = new Inventory();
190 m_inventory->addList("fuel", 1);
191 m_inventory->addList("src", 1);
192 m_inventory->addList("dst", 4);
194 m_step_accumulator = 0;
195 m_fuel_totaltime = 0;
200 FurnaceNodeMetadata::~FurnaceNodeMetadata()
204 u16 FurnaceNodeMetadata::typeId() const
206 return CONTENT_FURNACE;
208 NodeMetadata* FurnaceNodeMetadata::clone()
210 FurnaceNodeMetadata *d = new FurnaceNodeMetadata();
211 *d->m_inventory = *m_inventory;
214 NodeMetadata* FurnaceNodeMetadata::create(std::istream &is)
216 FurnaceNodeMetadata *d = new FurnaceNodeMetadata();
218 d->m_inventory->deSerialize(is);
222 d->m_fuel_totaltime = (float)temp/10;
224 d->m_fuel_time = (float)temp/10;
228 void FurnaceNodeMetadata::serializeBody(std::ostream &os)
230 m_inventory->serialize(os);
231 os<<itos(m_fuel_totaltime*10)<<" ";
232 os<<itos(m_fuel_time*10)<<" ";
234 std::string FurnaceNodeMetadata::infoText()
237 if(m_fuel_time >= m_fuel_totaltime)
239 InventoryList *src_list = m_inventory->getList("src");
241 InventoryItem *src_item = src_list->getItem(0);
244 return "Furnace is out of fuel";
246 return "Furnace is inactive";
250 std::string s = "Furnace is active (";
251 s += itos(m_fuel_time/m_fuel_totaltime*100);
256 void FurnaceNodeMetadata::inventoryModified()
258 dstream<<"Furnace inventory modification callback"<<std::endl;
260 bool FurnaceNodeMetadata::step(float dtime)
262 // Update at a fixed frequency
263 const float interval = 0.5;
264 m_step_accumulator += dtime;
265 if(m_step_accumulator < interval)
267 m_step_accumulator -= interval;
270 //dstream<<"Furnace step dtime="<<dtime<<std::endl;
272 InventoryList *dst_list = m_inventory->getList("dst");
275 InventoryList *src_list = m_inventory->getList("src");
277 InventoryItem *src_item = src_list->getItem(0);
279 // Start only if there are free slots in dst, so that it can
280 // accomodate any result item
281 if(dst_list->getFreeSlots() > 0 && src_item && src_item->isCookable())
291 if(m_fuel_time < m_fuel_totaltime)
293 //dstream<<"Furnace is active"<<std::endl;
294 m_fuel_time += dtime;
296 if(m_src_time >= m_src_totaltime && m_src_totaltime > 0.001
299 InventoryItem *cookresult = src_item->createCookResult();
300 dst_list->addItem(cookresult);
301 src_list->decrementMaterials(1);
308 if(src_item == NULL || m_src_totaltime < 0.001)
313 bool changed = false;
315 //dstream<<"Furnace is out of fuel"<<std::endl;
317 InventoryList *fuel_list = m_inventory->getList("fuel");
319 InventoryItem *fuel_item = fuel_list->getItem(0);
321 if(ItemSpec(ITEM_MATERIAL, CONTENT_TREE).checkItem(fuel_item))
323 m_fuel_totaltime = 10;
325 fuel_list->decrementMaterials(1);
328 else if(ItemSpec(ITEM_MATERIAL, CONTENT_WOOD).checkItem(fuel_item))
330 m_fuel_totaltime = 5;
332 fuel_list->decrementMaterials(1);
335 else if(ItemSpec(ITEM_CRAFT, "lump_of_coal").checkItem(fuel_item))
337 m_fuel_totaltime = 10;
339 fuel_list->decrementMaterials(1);
344 //dstream<<"No fuel found"<<std::endl;
354 void NodeMetadataList::serialize(std::ostream &os)
359 writeU16(buf, version);
360 os.write((char*)buf, 2);
362 u16 count = m_data.size();
363 writeU16(buf, count);
364 os.write((char*)buf, 2);
366 for(core::map<v3s16, NodeMetadata*>::Iterator
367 i = m_data.getIterator();
368 i.atEnd()==false; i++)
370 v3s16 p = i.getNode()->getKey();
371 NodeMetadata *data = i.getNode()->getValue();
373 u16 p16 = p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X;
375 os.write((char*)buf, 2);
381 void NodeMetadataList::deSerialize(std::istream &is)
387 is.read((char*)buf, 2);
388 u16 version = readU16(buf);
392 dstream<<__FUNCTION_NAME<<": version "<<version<<" not supported"
394 throw SerializationError("NodeMetadataList::deSerialize");
397 is.read((char*)buf, 2);
398 u16 count = readU16(buf);
400 for(u16 i=0; i<count; i++)
402 is.read((char*)buf, 2);
403 u16 p16 = readU16(buf);
406 p.Z += p16 / MAP_BLOCKSIZE / MAP_BLOCKSIZE;
407 p16 -= p.Z * MAP_BLOCKSIZE * MAP_BLOCKSIZE;
408 p.Y += p16 / MAP_BLOCKSIZE;
409 p16 -= p.Y * MAP_BLOCKSIZE;
412 NodeMetadata *data = NodeMetadata::deSerialize(is);
419 dstream<<"WARNING: NodeMetadataList::deSerialize(): "
420 <<"already set data at position"
421 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<"): Ignoring."
427 m_data.insert(p, data);
431 NodeMetadataList::~NodeMetadataList()
433 for(core::map<v3s16, NodeMetadata*>::Iterator
434 i = m_data.getIterator();
435 i.atEnd()==false; i++)
437 delete i.getNode()->getValue();
441 NodeMetadata* NodeMetadataList::get(v3s16 p)
443 core::map<v3s16, NodeMetadata*>::Node *n;
447 return n->getValue();
450 void NodeMetadataList::remove(v3s16 p)
452 NodeMetadata *olddata = get(p);
460 void NodeMetadataList::set(v3s16 p, NodeMetadata *d)
466 bool NodeMetadataList::step(float dtime)
468 bool something_changed = false;
469 for(core::map<v3s16, NodeMetadata*>::Iterator
470 i = m_data.getIterator();
471 i.atEnd()==false; i++)
473 v3s16 p = i.getNode()->getKey();
474 NodeMetadata *meta = i.getNode()->getValue();
475 bool changed = meta->step(dtime);
477 something_changed = true;
478 /*if(res.inventory_changed)
481 inv_id += "nodemeta:";
488 c.current_player = NULL;
489 inv_mgr->inventoryModified(&c, inv_id);
492 return something_changed;