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"
30 #include "serverobject.h"
31 #include "content_mapnode.h"
32 #include "content_inventory.h"
33 #include "content_sao.h"
40 InventoryItem::InventoryItem(u16 count)
45 InventoryItem::~InventoryItem()
49 content_t content_translate_from_19_to_internal(content_t c_from)
51 for(u32 i=0; i<sizeof(trans_table_19)/sizeof(trans_table_19[0]); i++)
53 if(trans_table_19[i][1] == c_from)
55 return trans_table_19[i][0];
61 InventoryItem* InventoryItem::deSerialize(std::istream &is)
63 DSTACK(__FUNCTION_NAME);
65 //is.imbue(std::locale("C"));
68 std::getline(is, name, ' ');
70 if(name == "MaterialItem")
72 // u16 reads directly as a number (u8 doesn't)
77 // Convert old materials
80 material = content_translate_from_19_to_internal(material);
82 if(material > MAX_CONTENT)
83 throw SerializationError("Too large material number");
84 return new MaterialItem(material, count);
86 else if(name == "MaterialItem2")
92 if(material > MAX_CONTENT)
93 throw SerializationError("Too large material number");
94 return new MaterialItem(material, count);
96 else if(name == "MBOItem")
98 std::string inventorystring;
99 std::getline(is, inventorystring, '|');
100 return new MapBlockObjectItem(inventorystring);
102 else if(name == "CraftItem")
105 std::getline(is, subname, ' ');
108 return new CraftItem(subname, count);
110 else if(name == "ToolItem")
112 std::string toolname;
113 std::getline(is, toolname, ' ');
116 return new ToolItem(toolname, wear);
120 dstream<<"Unknown InventoryItem name=\""<<name<<"\""<<std::endl;
121 throw SerializationError("Unknown InventoryItem name");
125 ServerActiveObject* InventoryItem::createSAO(ServerEnvironment *env, u16 id, v3f pos)
131 std::ostringstream os(std::ios_base::binary);
134 ServerActiveObject *obj = new ItemSAO(env, 0, pos, os.str());
142 bool MaterialItem::isCookable() const
144 return item_material_is_cookable(m_content);
147 InventoryItem *MaterialItem::createCookResult() const
149 return item_material_create_cook_result(m_content);
157 video::ITexture * CraftItem::getImage()
159 if(g_texturesource == NULL)
162 std::string name = item_craft_get_image_name(m_subname);
164 // Get such a texture
165 return g_texturesource->getTextureRaw(name);
169 ServerActiveObject* CraftItem::createSAO(ServerEnvironment *env, u16 id, v3f pos)
172 ServerActiveObject *obj = item_craft_create_object(m_subname, env, id, pos);
176 return InventoryItem::createSAO(env, id, pos);
179 u16 CraftItem::getDropCount() const
182 s16 dc = item_craft_get_drop_count(m_subname);
186 return InventoryItem::getDropCount();
189 bool CraftItem::isCookable() const
191 return item_craft_is_cookable(m_subname);
194 InventoryItem *CraftItem::createCookResult() const
196 return item_craft_create_cook_result(m_subname);
199 bool CraftItem::use(ServerEnvironment *env, Player *player)
201 if(item_craft_is_eatable(m_subname))
203 s16 hp_change = item_craft_eat_hp_change(m_subname);
204 if(player->hp + hp_change > 20)
207 player->hp += hp_change;
214 MapBlockObjectItem DEPRECATED
218 video::ITexture * MapBlockObjectItem::getImage()
220 if(m_inventorystring.substr(0,3) == "Rat")
221 return g_texturesource->getTextureRaw("rat.png");
223 if(m_inventorystring.substr(0,4) == "Sign")
224 return g_texturesource->getTextureRaw("sign.png");
229 std::string MapBlockObjectItem::getText()
231 if(m_inventorystring.substr(0,3) == "Rat")
234 if(m_inventorystring.substr(0,4) == "Sign")
240 MapBlockObject * MapBlockObjectItem::createObject
241 (v3f pos, f32 player_yaw, f32 player_pitch)
243 std::istringstream is(m_inventorystring);
245 std::getline(is, name, ' ');
251 else if(name == "Sign")
254 std::getline(is, text, '|');
255 SignObject *obj = new SignObject(NULL, -1, pos);
257 obj->setYaw(-player_yaw);
260 else if(name == "Rat")
262 RatObject *obj = new RatObject(NULL, -1, pos);
265 else if(name == "ItemObj")
268 Now we are an inventory item containing the serialization
269 string of an object that contains the serialization
270 string of an inventory item. Fuck this.
273 dstream<<__FUNCTION_NAME<<": WARNING: Ignoring ItemObj "
274 <<"because an item-object should never be inside "
275 <<"an object-item."<<std::endl;
288 InventoryList::InventoryList(std::string name, u32 size)
296 InventoryList::~InventoryList()
298 for(u32 i=0; i<m_items.size(); i++)
305 void InventoryList::clearItems()
307 for(u32 i=0; i<m_items.size(); i++)
315 for(u32 i=0; i<m_size; i++)
317 m_items.push_back(NULL);
323 void InventoryList::serialize(std::ostream &os) const
325 //os.imbue(std::locale("C"));
327 for(u32 i=0; i<m_items.size(); i++)
329 InventoryItem *item = m_items[i];
342 os<<"EndInventoryList\n";
345 void InventoryList::deSerialize(std::istream &is)
347 //is.imbue(std::locale("C"));
355 std::getline(is, line, '\n');
357 std::istringstream iss(line);
358 //iss.imbue(std::locale("C"));
361 std::getline(iss, name, ' ');
363 if(name == "EndInventoryList")
367 // This is a temporary backwards compatibility fix
368 else if(name == "end")
372 else if(name == "Item")
374 if(item_i > getSize() - 1)
375 throw SerializationError("too many items");
376 InventoryItem *item = InventoryItem::deSerialize(iss);
377 m_items[item_i++] = item;
379 else if(name == "Empty")
381 if(item_i > getSize() - 1)
382 throw SerializationError("too many items");
383 m_items[item_i++] = NULL;
387 throw SerializationError("Unknown inventory identifier");
392 InventoryList::InventoryList(const InventoryList &other)
395 Do this so that the items get cloned. Otherwise the pointers
396 in the array will just get copied.
401 InventoryList & InventoryList::operator = (const InventoryList &other)
403 m_name = other.m_name;
404 m_size = other.m_size;
406 for(u32 i=0; i<other.m_items.size(); i++)
408 InventoryItem *item = other.m_items[i];
411 m_items[i] = item->clone();
419 const std::string &InventoryList::getName() const
424 u32 InventoryList::getSize()
426 return m_items.size();
429 u32 InventoryList::getUsedSlots()
432 for(u32 i=0; i<m_items.size(); i++)
434 InventoryItem *item = m_items[i];
441 u32 InventoryList::getFreeSlots()
443 return getSize() - getUsedSlots();
446 const InventoryItem * InventoryList::getItem(u32 i) const
448 if(i > m_items.size() - 1)
453 InventoryItem * InventoryList::getItem(u32 i)
455 if(i > m_items.size() - 1)
460 InventoryItem * InventoryList::changeItem(u32 i, InventoryItem *newitem)
462 assert(i < m_items.size());
464 InventoryItem *olditem = m_items[i];
465 m_items[i] = newitem;
470 void InventoryList::deleteItem(u32 i)
472 assert(i < m_items.size());
473 InventoryItem *item = changeItem(i, NULL);
478 InventoryItem * InventoryList::addItem(InventoryItem *newitem)
484 First try to find if it could be added to some existing items
486 for(u32 i=0; i<m_items.size(); i++)
488 // Ignore empty slots
489 if(m_items[i] == NULL)
492 newitem = addItem(i, newitem);
494 return NULL; // All was eaten
498 Then try to add it to empty slots
500 for(u32 i=0; i<m_items.size(); i++)
502 // Ignore unempty slots
503 if(m_items[i] != NULL)
506 newitem = addItem(i, newitem);
508 return NULL; // All was eaten
515 InventoryItem * InventoryList::addItem(u32 i, InventoryItem *newitem)
522 // If it is an empty position, it's an easy job.
523 InventoryItem *to_item = getItem(i);
526 m_items[i] = newitem;
530 // If not addable, return the item
531 if(newitem->addableTo(to_item) == false)
534 // If the item fits fully in the slot, add counter and delete it
535 if(newitem->getCount() <= to_item->freeSpace())
537 to_item->add(newitem->getCount());
541 // Else the item does not fit fully. Add all that fits and return
545 u16 freespace = to_item->freeSpace();
546 to_item->add(freespace);
547 newitem->remove(freespace);
552 bool InventoryList::itemFits(const u32 i, const InventoryItem *newitem)
554 // If it is an empty position, it's an easy job.
555 const InventoryItem *to_item = getItem(i);
561 // If not addable, fail
562 if(newitem->addableTo(to_item) == false)
565 // If the item fits fully in the slot, pass
566 if(newitem->getCount() <= to_item->freeSpace())
574 bool InventoryList::roomForItem(const InventoryItem *item)
576 for(u32 i=0; i<m_items.size(); i++)
577 if(itemFits(i, item))
582 bool InventoryList::roomForCookedItem(const InventoryItem *item)
586 const InventoryItem *cook = item->createCookResult();
589 bool room = roomForItem(cook);
594 InventoryItem * InventoryList::takeItem(u32 i, u32 count)
601 InventoryItem *item = getItem(i);
602 // If it is an empty position, return NULL
606 if(count >= item->getCount())
608 // Get the item by swapping NULL to its place
609 return changeItem(i, NULL);
613 InventoryItem *item2 = item->clone();
615 item2->setCount(count);
622 void InventoryList::decrementMaterials(u16 count)
624 for(u32 i=0; i<m_items.size(); i++)
626 InventoryItem *item = takeItem(i, count);
632 void InventoryList::print(std::ostream &o)
634 o<<"InventoryList:"<<std::endl;
635 for(u32 i=0; i<m_items.size(); i++)
637 InventoryItem *item = m_items[i];
651 Inventory::~Inventory()
656 void Inventory::clear()
658 for(u32 i=0; i<m_lists.size(); i++)
665 Inventory::Inventory()
669 Inventory::Inventory(const Inventory &other)
674 Inventory & Inventory::operator = (const Inventory &other)
677 for(u32 i=0; i<other.m_lists.size(); i++)
679 m_lists.push_back(new InventoryList(*other.m_lists[i]));
684 void Inventory::serialize(std::ostream &os) const
686 for(u32 i=0; i<m_lists.size(); i++)
688 InventoryList *list = m_lists[i];
689 os<<"List "<<list->getName()<<" "<<list->getSize()<<"\n";
693 os<<"EndInventory\n";
696 void Inventory::deSerialize(std::istream &is)
703 std::getline(is, line, '\n');
705 std::istringstream iss(line);
708 std::getline(iss, name, ' ');
710 if(name == "EndInventory")
714 // This is a temporary backwards compatibility fix
715 else if(name == "end")
719 else if(name == "List")
721 std::string listname;
724 std::getline(iss, listname, ' ');
727 InventoryList *list = new InventoryList(listname, listsize);
728 list->deSerialize(is);
730 m_lists.push_back(list);
734 throw SerializationError("Unknown inventory identifier");
739 InventoryList * Inventory::addList(const std::string &name, u32 size)
741 s32 i = getListIndex(name);
744 if(m_lists[i]->getSize() != size)
747 m_lists[i] = new InventoryList(name, size);
753 m_lists.push_back(new InventoryList(name, size));
754 return m_lists.getLast();
758 InventoryList * Inventory::getList(const std::string &name)
760 s32 i = getListIndex(name);
766 const InventoryList * Inventory::getList(const std::string &name) const
768 s32 i = getListIndex(name);
774 const s32 Inventory::getListIndex(const std::string &name) const
776 for(u32 i=0; i<m_lists.size(); i++)
778 if(m_lists[i]->getName() == name)
788 InventoryAction * InventoryAction::deSerialize(std::istream &is)
791 std::getline(is, type, ' ');
793 InventoryAction *a = NULL;
797 a = new IMoveAction(is);
803 void IMoveAction::apply(InventoryContext *c, InventoryManager *mgr)
807 /*dstream<<"from_inv="<<from_inv<<" to_inv="<<to_inv<<std::endl;
808 dstream<<"from_list="<<from_list<<" to_list="<<to_list<<std::endl;
809 dstream<<"from_i="<<from_i<<" to_i="<<to_i<<std::endl;*/
811 Inventory *inv_from = mgr->getInventory(c, from_inv);
812 Inventory *inv_to = mgr->getInventory(c, to_inv);
814 if(!inv_from || !inv_to)
816 dstream<<__FUNCTION_NAME<<": Operation not allowed "
817 <<"(inventories not found)"<<std::endl;
821 InventoryList *list_from = inv_from->getList(from_list);
822 InventoryList *list_to = inv_to->getList(to_list);
824 /*dstream<<"list_from="<<list_from<<" list_to="<<list_to
827 dstream<<" list_from->getItem(from_i)="<<list_from->getItem(from_i)
830 dstream<<" list_to->getItem(to_i)="<<list_to->getItem(to_i)
834 If a list doesn't exist or the source item doesn't exist
836 if(!list_from || !list_to)
838 dstream<<__FUNCTION_NAME<<": Operation not allowed "
839 <<"(a list doesn't exist)"
843 if(list_from->getItem(from_i) == NULL)
845 dstream<<__FUNCTION_NAME<<": Operation not allowed "
846 <<"(the source item doesn't exist)"
851 If the source and the destination slots are the same
853 if(inv_from == inv_to && list_from == list_to && from_i == to_i)
855 dstream<<__FUNCTION_NAME<<": Operation not allowed "
856 <<"(source and the destination slots are the same)"<<std::endl;
860 // Take item from source list
861 InventoryItem *item1 = NULL;
863 item1 = list_from->changeItem(from_i, NULL);
865 item1 = list_from->takeItem(from_i, count);
867 // Try to add the item to destination list
868 InventoryItem *olditem = item1;
869 item1 = list_to->addItem(to_i, item1);
871 // If something is returned, the item was not fully added
874 // If olditem is returned, nothing was added.
875 bool nothing_added = (item1 == olditem);
877 // If something else is returned, part of the item was left unadded.
878 // Add the other part back to the source item
879 list_from->addItem(from_i, item1);
881 // If olditem is returned, nothing was added.
885 // Take item from source list
886 item1 = list_from->changeItem(from_i, NULL);
887 // Adding was not possible, swap the items.
888 InventoryItem *item2 = list_to->changeItem(to_i, item1);
889 // Put item from destination list to the source list
890 list_from->changeItem(from_i, item2);
894 mgr->inventoryModified(c, from_inv);
895 if(from_inv != to_inv)
896 mgr->inventoryModified(c, to_inv);
901 Craft checking system
904 bool ItemSpec::checkItem(const InventoryItem *item) const
906 if(type == ITEM_NONE)
914 // There should be an item
918 std::string itemname = item->getName();
920 if(type == ITEM_MATERIAL)
922 if(itemname != "MaterialItem")
924 MaterialItem *mitem = (MaterialItem*)item;
925 if(mitem->getMaterial() != num)
928 else if(type == ITEM_CRAFT)
930 if(itemname != "CraftItem")
932 CraftItem *mitem = (CraftItem*)item;
933 if(mitem->getSubName() != name)
936 else if(type == ITEM_TOOL)
941 else if(type == ITEM_MBO)
954 bool checkItemCombination(InventoryItem const * const *items, const ItemSpec *specs)
956 u16 items_min_x = 100;
957 u16 items_max_x = 100;
958 u16 items_min_y = 100;
959 u16 items_max_y = 100;
960 for(u16 y=0; y<3; y++)
961 for(u16 x=0; x<3; x++)
963 if(items[y*3 + x] == NULL)
965 if(items_min_x == 100 || x < items_min_x)
967 if(items_min_y == 100 || y < items_min_y)
969 if(items_max_x == 100 || x > items_max_x)
971 if(items_max_y == 100 || y > items_max_y)
974 // No items at all, just return false
975 if(items_min_x == 100)
978 u16 items_w = items_max_x - items_min_x + 1;
979 u16 items_h = items_max_y - items_min_y + 1;
981 u16 specs_min_x = 100;
982 u16 specs_max_x = 100;
983 u16 specs_min_y = 100;
984 u16 specs_max_y = 100;
985 for(u16 y=0; y<3; y++)
986 for(u16 x=0; x<3; x++)
988 if(specs[y*3 + x].type == ITEM_NONE)
990 if(specs_min_x == 100 || x < specs_min_x)
992 if(specs_min_y == 100 || y < specs_min_y)
994 if(specs_max_x == 100 || x > specs_max_x)
996 if(specs_max_y == 100 || y > specs_max_y)
999 // No specs at all, just return false
1000 if(specs_min_x == 100)
1003 u16 specs_w = specs_max_x - specs_min_x + 1;
1004 u16 specs_h = specs_max_y - specs_min_y + 1;
1007 if(items_w != specs_w || items_h != specs_h)
1010 for(u16 y=0; y<specs_h; y++)
1011 for(u16 x=0; x<specs_w; x++)
1013 u16 items_x = items_min_x + x;
1014 u16 items_y = items_min_y + y;
1015 u16 specs_x = specs_min_x + x;
1016 u16 specs_y = specs_min_y + y;
1017 const InventoryItem *item = items[items_y * 3 + items_x];
1018 const ItemSpec &spec = specs[specs_y * 3 + specs_x];
1020 if(spec.checkItem(item) == false)