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 #ifndef INVENTORY_HEADER
21 #define INVENTORY_HEADER
26 #include "common_irrlicht.h"
28 #include "mapnode.h" // For content_t
30 #define QUANTITY_ITEM_MAX_COUNT 99
32 class ServerActiveObject;
33 class ServerEnvironment;
41 InventoryItem(IGameDef *gamedef, u16 count);
42 virtual ~InventoryItem();
44 static InventoryItem* deSerialize(std::istream &is, IGameDef *gamedef);
45 static InventoryItem* deSerialize(const std::string &str,
48 virtual const char* getName() const = 0;
49 // Shall write the name and the parameters
50 virtual void serialize(std::ostream &os) const = 0;
51 // Shall make an exact clone of the item
52 virtual InventoryItem* clone() = 0;
53 // Return the name of the image for this item
54 virtual std::string getImageBasename() const { return ""; }
56 // Shall return an image of the item (or NULL)
57 virtual video::ITexture * getImage() const
59 // Shall return an image of the item without embellishments (or NULL)
60 virtual video::ITexture * getImageRaw() const
61 { return getImage(); }
63 // Shall return a text to show in the GUI
64 virtual std::string getText() { return ""; }
65 // Returns the string used for inventory
66 virtual std::string getItemString();
72 // Return true if the item can be add()ed to the other
73 virtual bool addableTo(const InventoryItem *other) const
75 // Return true if the other item contains this item
76 virtual bool isSubsetOf(const InventoryItem *other) const
78 // Remove the other item from this one if possible and return true
79 // Return false if not possible
80 virtual bool removeOther(const InventoryItem *other)
85 void setCount(u16 count)
90 u16 max = getStackMax();
98 assert(m_count + count <= getStackMax());
101 void remove(u16 count)
103 assert(m_count >= count);
111 // Maximum size of a stack
112 virtual u16 getStackMax() const {return 1;}
113 // Whether it can be used
114 virtual bool isUsable() const {return false;}
115 // Whether it can be cooked
116 virtual bool isCookable() const {return false;}
117 // Result of cooking (can randomize)
118 virtual InventoryItem *createCookResult() const {return NULL;}
120 virtual float getCookTime() const {return 3.0;}
121 // Whether it can be burned (<0 = cannot be burned)
122 virtual float getBurnTime() const {return -1;}
123 // Gets amount of items that dropping one ItemSAO will decrement
124 // -1 means as many as possible
125 virtual s16 getDropCount() const { return -1; }
126 // Whether this item can point to liquids
127 virtual bool areLiquidsPointable() const { return false; }
129 // Creates an object from the item and places it in the world.
130 // If return value is true, item should be removed.
131 virtual bool dropOrPlace(ServerEnvironment *env,
132 ServerActiveObject *dropper,
133 v3f pos, bool place, s16 count);
135 // Eat, press, activate, whatever.
136 // Called when item is left-clicked while in hand.
137 // If returns true, item shall be deleted.
138 virtual bool use(ServerEnvironment *env,
139 ServerActiveObject *user,
140 const PointedThing& pointed){return false;}
147 class MaterialItem : public InventoryItem
150 MaterialItem(IGameDef *gamedef, std::string nodename, u16 count);
151 // Legacy constructor
152 MaterialItem(IGameDef *gamedef, content_t content, u16 count);
154 Implementation interface
156 virtual const char* getName() const
158 return "MaterialItem";
160 virtual void serialize(std::ostream &os) const
168 virtual InventoryItem* clone()
170 return new MaterialItem(m_gamedef, m_nodename, m_count);
173 video::ITexture * getImage() const;
175 std::string getText()
177 std::ostringstream os;
182 virtual bool addableTo(const InventoryItem *other) const
184 if(std::string(other->getName()) != "MaterialItem")
186 MaterialItem *m = (MaterialItem*)other;
187 if(m->m_nodename != m_nodename)
191 virtual bool isSubsetOf(const InventoryItem *other) const
193 if(std::string(other->getName()) != "MaterialItem")
195 MaterialItem *m = (MaterialItem*)other;
196 if(m->m_nodename != m_nodename)
198 return m_count <= m->m_count;
200 virtual bool removeOther(const InventoryItem *other)
202 if(!other->isSubsetOf(this))
204 MaterialItem *m = (MaterialItem*)other;
205 m_count += m->m_count;
209 u16 getStackMax() const
211 return QUANTITY_ITEM_MAX_COUNT;
217 bool isCookable() const;
218 InventoryItem *createCookResult() const;
219 float getCookTime() const;
220 float getBurnTime() const;
222 Special properties (not part of virtual interface)
224 std::string getNodeName() const
225 { return m_nodename; }
226 content_t getMaterial() const;
228 std::string m_nodename;
232 An item that is used as a mid-product when crafting.
236 class CraftItem : public InventoryItem
239 CraftItem(IGameDef *gamedef, std::string subname, u16 count):
240 InventoryItem(gamedef, count)
245 Implementation interface
247 virtual const char* getName() const
251 virtual void serialize(std::ostream &os) const
259 virtual InventoryItem* clone()
261 return new CraftItem(m_gamedef, m_subname, m_count);
264 video::ITexture * getImage() const;
266 std::string getText()
268 std::ostringstream os;
273 virtual bool addableTo(const InventoryItem *other) const
275 if(std::string(other->getName()) != "CraftItem")
277 CraftItem *m = (CraftItem*)other;
278 if(m->m_subname != m_subname)
282 virtual bool isSubsetOf(const InventoryItem *other) const
284 if(std::string(other->getName()) != "CraftItem")
286 CraftItem *m = (CraftItem*)other;
287 if(m->m_subname != m_subname)
289 return m_count <= m->m_count;
291 virtual bool removeOther(const InventoryItem *other)
293 if(!other->isSubsetOf(this))
295 CraftItem *m = (CraftItem*)other;
296 m_count += m->m_count;
304 u16 getStackMax() const;
305 bool isUsable() const;
306 bool isCookable() const;
307 InventoryItem *createCookResult() const;
308 float getCookTime() const;
309 float getBurnTime() const;
310 s16 getDropCount() const;
311 bool areLiquidsPointable() const;
313 bool dropOrPlace(ServerEnvironment *env,
314 ServerActiveObject *dropper,
315 v3f pos, bool place, s16 count);
316 bool use(ServerEnvironment *env,
317 ServerActiveObject *user,
318 const PointedThing& pointed);
323 std::string getSubName()
328 std::string m_subname;
331 class ToolItem : public InventoryItem
334 ToolItem(IGameDef *gamedef, std::string toolname, u16 wear):
335 InventoryItem(gamedef, 1)
337 m_toolname = toolname;
341 Implementation interface
343 virtual const char* getName() const
347 virtual void serialize(std::ostream &os) const
355 virtual InventoryItem* clone()
357 return new ToolItem(m_gamedef, m_toolname, m_wear);
360 std::string getImageBasename() const;
362 video::ITexture * getImage() const;
363 video::ITexture * getImageRaw() const;
366 std::string getText()
371 virtual bool isSubsetOf(const InventoryItem *other) const
373 if(std::string(other->getName()) != "ToolItem")
375 ToolItem *m = (ToolItem*)other;
376 if(m->m_toolname != m_toolname)
378 return m_wear <= m->m_wear;
380 virtual bool removeOther(const InventoryItem *other)
382 if(!other->isSubsetOf(this))
384 ToolItem *m = (ToolItem*)other;
392 std::string getToolName()
400 // Returns true if weared out
401 bool addWear(u16 add)
403 if(m_wear >= 65535 - add)
415 std::string m_toolname;
422 InventoryList(std::string name, u32 size);
425 void serialize(std::ostream &os) const;
426 void deSerialize(std::istream &is, IGameDef *gamedef);
428 InventoryList(const InventoryList &other);
429 InventoryList & operator = (const InventoryList &other);
431 const std::string &getName() const;
437 /*bool getDirty(){ return m_dirty; }
438 void setDirty(bool dirty=true){ m_dirty = dirty; }*/
440 // Get pointer to item
441 const InventoryItem * getItem(u32 i) const;
442 InventoryItem * getItem(u32 i);
443 // Returns old item (or NULL). Parameter can be NULL.
444 InventoryItem * changeItem(u32 i, InventoryItem *newitem);
446 void deleteItem(u32 i);
448 // Adds an item to a suitable place. Returns leftover item.
449 // If all went into the list, returns NULL.
450 InventoryItem * addItem(InventoryItem *newitem);
452 // If possible, adds item to given slot.
453 // If cannot be added at all, returns the item back.
454 // If can be added partly, decremented item is returned back.
455 // If can be added fully, NULL is returned.
456 InventoryItem * addItem(u32 i, InventoryItem *newitem);
458 // Checks whether the item could be added to the given slot
459 bool itemFits(const u32 i, const InventoryItem *newitem);
461 // Checks whether there is room for a given item
462 bool roomForItem(const InventoryItem *item);
464 // Checks whether there is room for a given item aftr it has been cooked
465 bool roomForCookedItem(const InventoryItem *item);
467 // Takes some items from a slot.
468 // If there are not enough, takes as many as it can.
469 // Returns NULL if couldn't take any.
470 InventoryItem * takeItem(u32 i, u32 count);
472 // Decrements amount of every material item
473 void decrementMaterials(u16 count);
475 void print(std::ostream &o);
478 core::array<InventoryItem*> m_items;
492 Inventory(const Inventory &other);
493 Inventory & operator = (const Inventory &other);
495 void serialize(std::ostream &os) const;
496 void deSerialize(std::istream &is, IGameDef *gamedef);
498 InventoryList * addList(const std::string &name, u32 size);
499 InventoryList * getList(const std::string &name);
500 const InventoryList * getList(const std::string &name) const;
501 bool deleteList(const std::string &name);
502 // A shorthand for adding items.
503 // Returns NULL if the item was fully added, leftover otherwise.
504 InventoryItem * addItem(const std::string &listname, InventoryItem *newitem)
506 InventoryList *list = getList(listname);
509 return list->addItem(newitem);
514 const s32 getListIndex(const std::string &name) const;
516 core::array<InventoryList*> m_lists;
521 struct InventoryContext
523 Player *current_player;
530 struct InventoryAction;
532 class InventoryManager
536 virtual ~InventoryManager(){}
539 Get a pointer to an inventory specified by id.
544 virtual Inventory* getInventory(InventoryContext *c, std::string id)
546 // Used on the server by InventoryAction::apply and other stuff
547 virtual void inventoryModified(InventoryContext *c, std::string id)
549 // Used on the client
550 virtual void inventoryAction(InventoryAction *a)
554 #define IACTION_MOVE 0
555 #define IACTION_DROP 1
557 struct InventoryAction
559 static InventoryAction * deSerialize(std::istream &is);
561 virtual u16 getType() const = 0;
562 virtual void serialize(std::ostream &os) const = 0;
563 virtual void apply(InventoryContext *c, InventoryManager *mgr,
564 ServerEnvironment *env) = 0;
567 struct IMoveAction : public InventoryAction
569 // count=0 means "everything"
571 std::string from_inv;
572 std::string from_list;
585 IMoveAction(std::istream &is);
592 void serialize(std::ostream &os) const
604 void apply(InventoryContext *c, InventoryManager *mgr,
605 ServerEnvironment *env);
608 struct IDropAction : public InventoryAction
610 // count=0 means "everything"
612 std::string from_inv;
613 std::string from_list;
622 IDropAction(std::istream &is);
629 void serialize(std::ostream &os) const
638 void apply(InventoryContext *c, InventoryManager *mgr,
639 ServerEnvironment *env);
643 Craft checking system
657 enum ItemSpecType type;
658 // Only other one of these is used
666 ItemSpec(enum ItemSpecType a_type, std::string a_name):
672 ItemSpec(enum ItemSpecType a_type, u16 a_num):
679 bool checkItem(const InventoryItem *item) const;
683 items: a pointer to an array of 9 pointers to items
684 specs: a pointer to an array of 9 ItemSpecs
686 bool checkItemCombination(const InventoryItem * const*items, const ItemSpec *specs);
689 items: a pointer to an array of 9 pointers to items
690 specs: a pointer to an array of 9 pointers to items
692 bool checkItemCombination(const InventoryItem * const * items,
693 const InventoryItem * const * specs);