3 Copyright (C) 2010 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.
21 (c) 2010 Perttu Ahola <celeron55@gmail.com>
24 #include "inventory.h"
25 #include "serialization.h"
35 InventoryItem::InventoryItem(u16 count)
40 InventoryItem::~InventoryItem()
44 InventoryItem* InventoryItem::deSerialize(std::istream &is)
46 DSTACK(__FUNCTION_NAME);
48 //is.imbue(std::locale("C"));
51 std::getline(is, name, ' ');
53 if(name == "MaterialItem")
55 // u16 reads directly as a number (u8 doesn't)
61 throw SerializationError("Too large material number");
62 return new MaterialItem(material, count);
64 else if(name == "MBOItem")
66 std::string inventorystring;
67 std::getline(is, inventorystring, '|');
68 return new MapBlockObjectItem(inventorystring);
70 else if(name == "CraftItem")
73 std::getline(is, subname, ' ');
76 return new CraftItem(subname, count);
78 else if(name == "ToolItem")
81 std::getline(is, toolname, ' ');
84 return new ToolItem(toolname, wear);
88 dstream<<"Unknown InventoryItem name=\""<<name<<"\""<<std::endl;
89 throw SerializationError("Unknown InventoryItem name");
97 video::ITexture * MapBlockObjectItem::getImage()
99 if(m_inventorystring.substr(0,3) == "Rat")
100 //return g_device->getVideoDriver()->getTexture(porting::getDataPath("rat.png").c_str());
101 return g_irrlicht->getTexture("rat.png");
103 if(m_inventorystring.substr(0,4) == "Sign")
104 //return g_device->getVideoDriver()->getTexture(porting::getDataPath("sign.png").c_str());
105 return g_irrlicht->getTexture("sign.png");
110 std::string MapBlockObjectItem::getText()
112 if(m_inventorystring.substr(0,3) == "Rat")
115 if(m_inventorystring.substr(0,4) == "Sign")
121 MapBlockObject * MapBlockObjectItem::createObject
122 (v3f pos, f32 player_yaw, f32 player_pitch)
124 std::istringstream is(m_inventorystring);
126 std::getline(is, name, ' ');
132 else if(name == "Sign")
135 std::getline(is, text, '|');
136 SignObject *obj = new SignObject(NULL, -1, pos);
138 obj->setYaw(-player_yaw);
141 else if(name == "Rat")
143 RatObject *obj = new RatObject(NULL, -1, pos);
146 else if(name == "ItemObj")
149 Now we are an inventory item containing the serialization
150 string of an object that contains the serialization
151 string of an inventory item. Fuck this.
154 dstream<<__FUNCTION_NAME<<": WARNING: Ignoring ItemObj "
155 <<"because an item-object should never be inside "
156 <<"an object-item."<<std::endl;
169 InventoryList::InventoryList(std::string name, u32 size)
176 InventoryList::~InventoryList()
178 for(u32 i=0; i<m_items.size(); i++)
185 void InventoryList::clearItems()
187 for(u32 i=0; i<m_items.size(); i++)
195 for(u32 i=0; i<m_size; i++)
197 m_items.push_back(NULL);
201 void InventoryList::serialize(std::ostream &os)
203 //os.imbue(std::locale("C"));
205 for(u32 i=0; i<m_items.size(); i++)
207 InventoryItem *item = m_items[i];
220 os<<"EndInventoryList\n";
223 void InventoryList::deSerialize(std::istream &is)
225 //is.imbue(std::locale("C"));
233 std::getline(is, line, '\n');
235 std::istringstream iss(line);
236 //iss.imbue(std::locale("C"));
239 std::getline(iss, name, ' ');
241 if(name == "EndInventoryList")
245 // This is a temporary backwards compatibility fix
246 else if(name == "end")
250 else if(name == "Item")
252 if(item_i > getSize() - 1)
253 throw SerializationError("too many items");
254 InventoryItem *item = InventoryItem::deSerialize(iss);
255 m_items[item_i++] = item;
257 else if(name == "Empty")
259 if(item_i > getSize() - 1)
260 throw SerializationError("too many items");
261 m_items[item_i++] = NULL;
265 throw SerializationError("Unknown inventory identifier");
270 InventoryList::InventoryList(const InventoryList &other)
273 Do this so that the items get cloned. Otherwise the pointers
274 in the array will just get copied.
279 InventoryList & InventoryList::operator = (const InventoryList &other)
281 m_name = other.m_name;
282 m_size = other.m_size;
284 for(u32 i=0; i<other.m_items.size(); i++)
286 InventoryItem *item = other.m_items[i];
289 m_items[i] = item->clone();
296 std::string InventoryList::getName()
301 u32 InventoryList::getSize()
303 return m_items.size();
306 u32 InventoryList::getUsedSlots()
309 for(u32 i=0; i<m_items.size(); i++)
311 InventoryItem *item = m_items[i];
318 InventoryItem * InventoryList::getItem(u32 i)
320 if(i > m_items.size() - 1)
325 InventoryItem * InventoryList::changeItem(u32 i, InventoryItem *newitem)
327 assert(i < m_items.size());
329 InventoryItem *olditem = m_items[i];
330 m_items[i] = newitem;
334 void InventoryList::deleteItem(u32 i)
336 assert(i < m_items.size());
337 InventoryItem *item = changeItem(i, NULL);
342 InventoryItem * InventoryList::addItem(InventoryItem *newitem)
345 First try to find if it could be added to some existing items
347 for(u32 i=0; i<m_items.size(); i++)
349 // Ignore empty slots
350 if(m_items[i] == NULL)
353 newitem = addItem(i, newitem);
355 return NULL; // All was eaten
359 Then try to add it to empty slots
361 for(u32 i=0; i<m_items.size(); i++)
363 // Ignore unempty slots
364 if(m_items[i] != NULL)
367 newitem = addItem(i, newitem);
369 return NULL; // All was eaten
376 InventoryItem * InventoryList::addItem(u32 i, InventoryItem *newitem)
378 // If it is an empty position, it's an easy job.
379 InventoryItem *to_item = m_items[i];
382 m_items[i] = newitem;
386 // If not addable, return the item
387 if(newitem->addableTo(to_item) == false)
390 // If the item fits fully in the slot, add counter and delete it
391 if(newitem->getCount() <= to_item->freeSpace())
393 to_item->add(newitem->getCount());
397 // Else the item does not fit fully. Add all that fits and return
401 u16 freespace = to_item->freeSpace();
402 to_item->add(freespace);
403 newitem->remove(freespace);
408 InventoryItem * InventoryList::takeItem(u32 i, u32 count)
413 InventoryItem *item = m_items[i];
414 // If it is an empty position, return NULL
418 if(count >= item->getCount())
420 // Get the item by swapping NULL to its place
421 return changeItem(i, NULL);
425 InventoryItem *item2 = item->clone();
427 item2->setCount(count);
434 void InventoryList::decrementMaterials(u16 count)
436 for(u32 i=0; i<m_items.size(); i++)
438 InventoryItem *item = takeItem(i, count);
444 void InventoryList::print(std::ostream &o)
446 o<<"InventoryList:"<<std::endl;
447 for(u32 i=0; i<m_items.size(); i++)
449 InventoryItem *item = m_items[i];
463 Inventory::~Inventory()
468 void Inventory::clear()
470 for(u32 i=0; i<m_lists.size(); i++)
477 Inventory::Inventory()
481 Inventory::Inventory(const Inventory &other)
486 Inventory & Inventory::operator = (const Inventory &other)
489 for(u32 i=0; i<other.m_lists.size(); i++)
491 m_lists.push_back(new InventoryList(*other.m_lists[i]));
496 void Inventory::serialize(std::ostream &os)
498 for(u32 i=0; i<m_lists.size(); i++)
500 InventoryList *list = m_lists[i];
501 os<<"List "<<list->getName()<<" "<<list->getSize()<<"\n";
505 os<<"EndInventory\n";
508 void Inventory::deSerialize(std::istream &is)
515 std::getline(is, line, '\n');
517 std::istringstream iss(line);
520 std::getline(iss, name, ' ');
522 if(name == "EndInventory")
526 // This is a temporary backwards compatibility fix
527 else if(name == "end")
531 else if(name == "List")
533 std::string listname;
536 std::getline(iss, listname, ' ');
539 InventoryList *list = new InventoryList(listname, listsize);
540 list->deSerialize(is);
542 m_lists.push_back(list);
546 throw SerializationError("Unknown inventory identifier");
551 InventoryList * Inventory::addList(const std::string &name, u32 size)
553 s32 i = getListIndex(name);
556 if(m_lists[i]->getSize() != size)
559 m_lists[i] = new InventoryList(name, size);
565 m_lists.push_back(new InventoryList(name, size));
566 return m_lists.getLast();
570 InventoryList * Inventory::getList(const std::string &name)
572 s32 i = getListIndex(name);
578 s32 Inventory::getListIndex(const std::string &name)
580 for(u32 i=0; i<m_lists.size(); i++)
582 if(m_lists[i]->getName() == name)
592 InventoryAction * InventoryAction::deSerialize(std::istream &is)
595 std::getline(is, type, ' ');
597 InventoryAction *a = NULL;
601 a = new IMoveAction(is);
607 void IMoveAction::apply(Inventory *inventory)
609 /*dstream<<"from_name="<<from_name<<" to_name="<<to_name<<std::endl;
610 dstream<<"from_i="<<from_i<<" to_i="<<to_i<<std::endl;*/
611 InventoryList *list_from = inventory->getList(from_name);
612 InventoryList *list_to = inventory->getList(to_name);
613 /*dstream<<"list_from="<<list_from<<" list_to="<<list_to
616 dstream<<" list_from->getItem(from_i)="<<list_from->getItem(from_i)
619 dstream<<" list_to->getItem(to_i)="<<list_to->getItem(to_i)
623 If a list doesn't exist or the source item doesn't exist
624 or the source and the destination slots are the same
626 if(!list_from || !list_to || list_from->getItem(from_i) == NULL
627 || (list_from == list_to && from_i == to_i))
629 dstream<<__FUNCTION_NAME<<": Operation not allowed"<<std::endl;
633 // Take item from source list
634 InventoryItem *item1 = NULL;
636 item1 = list_from->changeItem(from_i, NULL);
638 item1 = list_from->takeItem(from_i, count);
640 // Try to add the item to destination list
641 InventoryItem *olditem = item1;
642 item1 = list_to->addItem(to_i, item1);
644 // If nothing is returned, the item was fully added
648 // If olditem is returned, nothing was added.
649 bool nothing_added = (item1 == olditem);
651 // If something else is returned, part of the item was left unadded.
652 // Add the other part back to the source item
653 list_from->addItem(from_i, item1);
655 // If olditem is returned, nothing was added.
659 // Take item from source list
660 item1 = list_from->changeItem(from_i, NULL);
661 // Adding was not possible, swap the items.
662 InventoryItem *item2 = list_to->changeItem(to_i, item1);
663 // Put item from destination list to the source list
664 list_from->changeItem(from_i, item2);