/*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define INVENTORY_HEADER
#include <iostream>
-#include <sstream>
#include <string>
-#include "common_irrlicht.h"
+#include <vector>
+#include "irrlichttypes.h"
#include "debug.h"
-#include "mapnode.h" // For content_t
+#include "itemdef.h"
-#define QUANTITY_ITEM_MAX_COUNT 99
+struct ToolCapabilities;
-class ServerActiveObject;
-class ServerEnvironment;
-struct PointedThing;
-class ITextureSource;
-class IGameDef;
-
-class InventoryItem
+struct ItemStack
{
-public:
- InventoryItem(IGameDef *gamedef, u16 count);
- virtual ~InventoryItem();
-
- static InventoryItem* deSerialize(std::istream &is, IGameDef *gamedef);
- static InventoryItem* deSerialize(const std::string &str,
- IGameDef *gamedef);
-
- virtual const char* getName() const = 0;
- // Shall write the name and the parameters
- virtual void serialize(std::ostream &os) const = 0;
- // Shall make an exact clone of the item
- virtual InventoryItem* clone() = 0;
- // Return the name of the image for this item
- virtual std::string getImageBasename() const { return ""; }
-#ifndef SERVER
- // Shall return an image of the item (or NULL)
- virtual video::ITexture * getImage() const
- { return NULL; }
- // Shall return an image of the item without embellishments (or NULL)
- virtual video::ITexture * getImageRaw() const
- { return getImage(); }
-#endif
- // Shall return a text to show in the GUI
- virtual std::string getText() { return ""; }
+ ItemStack(): name(""), count(0), wear(0), metadata("") {}
+ ItemStack(std::string name_, u16 count_,
+ u16 wear, std::string metadata_,
+ IItemDefManager *itemdef);
+ ~ItemStack() {}
+
+ // Serialization
+ void serialize(std::ostream &os) const;
+ void deSerialize(std::istream &is, IItemDefManager *itemdef);
+ void deSerialize(const std::string &s, IItemDefManager *itemdef);
+
// Returns the string used for inventory
- virtual std::string getItemString();
-
- // Shall return false if item is not known and cannot be used
- virtual bool isKnown() const { return true; }
+ std::string getItemString() const;
/*
Quantity methods
*/
- // Return true if the item can be add()ed to the other
- virtual bool addableTo(const InventoryItem *other) const
- { return false; }
- // Return true if the other item contains this item
- virtual bool isSubsetOf(const InventoryItem *other) const
- { return false; }
- // Remove the other item from this one if possible and return true
- // Return false if not possible
- virtual bool removeOther(const InventoryItem *other)
- { return false; }
-
- u16 getCount() const
- { return m_count; }
- void setCount(u16 count)
- { m_count = count; }
-
- u16 freeSpace() const
+ bool empty() const
{
- u16 max = getStackMax();
- if(m_count > max)
- return 0;
- return max - m_count;
+ return count == 0;
}
- void add(u16 count)
- {
- m_count += count;
- }
- void remove(u16 count)
+ void clear()
{
- assert(m_count >= count);
- m_count -= count;
- }
-
- /*
- Other properties
- */
-
- // Maximum size of a stack
- virtual u16 getStackMax() const {return 1;}
- // Whether it can be used
- virtual bool isUsable() const {return false;}
- // Whether it can be cooked
- virtual bool isCookable() const {return false;}
- // Result of cooking (can randomize)
- virtual InventoryItem *createCookResult() const {return NULL;}
- // Time of cooking
- virtual float getCookTime() const {return 3.0;}
- // Whether it can be burned (<0 = cannot be burned)
- virtual float getBurnTime() const {return -1;}
- // Gets amount of items that dropping one ItemSAO will decrement
- // -1 means as many as possible
- virtual s16 getDropCount() const { return -1; }
- // Whether this item can point to liquids
- virtual bool areLiquidsPointable() const { return false; }
-
- // Creates an object from the item and places it in the world.
- // If return value is true, item should be removed.
- virtual bool dropOrPlace(ServerEnvironment *env,
- ServerActiveObject *dropper,
- v3f pos, bool place, s16 count);
-
- // Eat, press, activate, whatever.
- // Called when item is left-clicked while in hand.
- // If returns true, item shall be deleted.
- virtual bool use(ServerEnvironment *env,
- ServerActiveObject *user,
- const PointedThing& pointed){return false;}
-
-protected:
- IGameDef *m_gamedef;
- u16 m_count;
-};
-
-class MaterialItem : public InventoryItem
-{
-public:
- MaterialItem(IGameDef *gamedef, std::string nodename, u16 count);
- // Legacy constructor
- MaterialItem(IGameDef *gamedef, content_t content, u16 count);
- /*
- Implementation interface
- */
- virtual const char* getName() const
- {
- return "MaterialItem";
- }
- virtual void serialize(std::ostream &os) const
- {
- os<<"node";
- os<<" \"";
- os<<m_nodename;
- os<<"\" ";
- os<<m_count;
- }
- virtual InventoryItem* clone()
- {
- return new MaterialItem(m_gamedef, m_nodename, m_count);
- }
-#ifndef SERVER
- video::ITexture * getImage() const;
-#endif
- std::string getText()
- {
- std::ostringstream os;
- os<<m_count;
- return os.str();
+ name = "";
+ count = 0;
+ wear = 0;
+ metadata = "";
}
- virtual bool addableTo(const InventoryItem *other) const
+ void add(u16 n)
{
- if(std::string(other->getName()) != "MaterialItem")
- return false;
- MaterialItem *m = (MaterialItem*)other;
- if(m->m_nodename != m_nodename)
- return false;
- return true;
- }
- virtual bool isSubsetOf(const InventoryItem *other) const
- {
- if(std::string(other->getName()) != "MaterialItem")
- return false;
- MaterialItem *m = (MaterialItem*)other;
- if(m->m_nodename != m_nodename)
- return false;
- return m_count <= m->m_count;
- }
- virtual bool removeOther(const InventoryItem *other)
- {
- if(!other->isSubsetOf(this))
- return false;
- MaterialItem *m = (MaterialItem*)other;
- m_count += m->m_count;
- return true;
+ count += n;
}
- u16 getStackMax() const
+ void remove(u16 n)
{
- return QUANTITY_ITEM_MAX_COUNT;
+ assert(count >= n);
+ count -= n;
+ if(count == 0)
+ clear(); // reset name, wear and metadata too
}
- /*
- Other properties
- */
- bool isCookable() const;
- InventoryItem *createCookResult() const;
- float getCookTime() const;
- float getBurnTime() const;
- /*
- Special properties (not part of virtual interface)
- */
- std::string getNodeName() const
- { return m_nodename; }
- content_t getMaterial() const;
-private:
- std::string m_nodename;
-};
-
-/*
- An item that is used as a mid-product when crafting.
- Subnames:
- - Stick
-*/
-class CraftItem : public InventoryItem
-{
-public:
- CraftItem(IGameDef *gamedef, std::string subname, u16 count):
- InventoryItem(gamedef, count)
- {
- m_subname = subname;
- }
- /*
- Implementation interface
- */
- virtual const char* getName() const
- {
- return "CraftItem";
- }
- virtual void serialize(std::ostream &os) const
- {
- os<<"craft";
- os<<" \"";
- os<<m_subname;
- os<<"\" ";
- os<<m_count;
- }
- virtual InventoryItem* clone()
- {
- return new CraftItem(m_gamedef, m_subname, m_count);
- }
-#ifndef SERVER
- video::ITexture * getImage() const;
-#endif
- std::string getText()
+ // Maximum size of a stack
+ u16 getStackMax(IItemDefManager *itemdef) const
{
- std::ostringstream os;
- os<<m_count;
- return os.str();
+ s16 max = itemdef->get(name).stack_max;
+ return (max >= 0) ? max : 0;
}
- virtual bool isKnown() const;
-
- virtual bool addableTo(const InventoryItem *other) const
+ // Number of items that can be added to this stack
+ u16 freeSpace(IItemDefManager *itemdef) const
{
- if(std::string(other->getName()) != "CraftItem")
- return false;
- CraftItem *m = (CraftItem*)other;
- if(m->m_subname != m_subname)
- return false;
- return true;
- }
- virtual bool isSubsetOf(const InventoryItem *other) const
- {
- if(std::string(other->getName()) != "CraftItem")
- return false;
- CraftItem *m = (CraftItem*)other;
- if(m->m_subname != m_subname)
- return false;
- return m_count <= m->m_count;
- }
- virtual bool removeOther(const InventoryItem *other)
- {
- if(!other->isSubsetOf(this))
- return false;
- CraftItem *m = (CraftItem*)other;
- m_count += m->m_count;
- return true;
+ u16 max = getStackMax(itemdef);
+ if(count > max)
+ return 0;
+ return max - count;
}
- /*
- Other properties
- */
-
- u16 getStackMax() const;
- bool isUsable() const;
- bool isCookable() const;
- InventoryItem *createCookResult() const;
- float getCookTime() const;
- float getBurnTime() const;
- s16 getDropCount() const;
- bool areLiquidsPointable() const;
-
- bool dropOrPlace(ServerEnvironment *env,
- ServerActiveObject *dropper,
- v3f pos, bool place, s16 count);
- bool use(ServerEnvironment *env,
- ServerActiveObject *user,
- const PointedThing& pointed);
-
- /*
- Special methods
- */
- std::string getSubName()
+ // Returns false if item is not known and cannot be used
+ bool isKnown(IItemDefManager *itemdef) const
{
- return m_subname;
+ return itemdef->isKnown(name);
}
-private:
- std::string m_subname;
-};
-class ToolItem : public InventoryItem
-{
-public:
- ToolItem(IGameDef *gamedef, std::string toolname, u16 wear):
- InventoryItem(gamedef, 1)
+ // Returns a pointer to the item definition struct,
+ // or a fallback one (name="unknown") if the item is unknown.
+ const ItemDefinition& getDefinition(
+ IItemDefManager *itemdef) const
{
- m_toolname = toolname;
- m_wear = wear;
- }
- /*
- Implementation interface
- */
- virtual const char* getName() const
- {
- return "ToolItem";
- }
- virtual void serialize(std::ostream &os) const
- {
- os<<"tool";
- os<<" \"";
- os<<m_toolname;
- os<<"\" ";
- os<<m_wear;
- }
- virtual InventoryItem* clone()
- {
- return new ToolItem(m_gamedef, m_toolname, m_wear);
+ return itemdef->get(name);
}
- std::string getImageBasename() const;
-#ifndef SERVER
- video::ITexture * getImage() const;
- video::ITexture * getImageRaw() const;
-#endif
-
- std::string getText()
+ // Get tool digging properties, or those of the hand if not a tool
+ const ToolCapabilities& getToolCapabilities(
+ IItemDefManager *itemdef) const
{
- return "";
+ ToolCapabilities *cap;
+ cap = itemdef->get(name).tool_capabilities;
+ if(cap == NULL)
+ cap = itemdef->get("").tool_capabilities;
+ assert(cap != NULL);
+ return *cap;
}
-
- virtual bool isKnown() const;
- virtual bool isSubsetOf(const InventoryItem *other) const
+ // Wear out (only tools)
+ // Returns true if the item is (was) a tool
+ bool addWear(s32 amount, IItemDefManager *itemdef)
{
- if(std::string(other->getName()) != "ToolItem")
- return false;
- ToolItem *m = (ToolItem*)other;
- if(m->m_toolname != m_toolname)
- return false;
- return m_wear <= m->m_wear;
- }
- virtual bool removeOther(const InventoryItem *other)
- {
- if(!other->isSubsetOf(this))
- return false;
- ToolItem *m = (ToolItem*)other;
- m_wear -= m->m_wear;
- return true;
- }
-
- /*
- Special methods
- */
- std::string getToolName()
- {
- return m_toolname;
- }
- u16 getWear()
- {
- return m_wear;
- }
- // Returns true if weared out
- bool addWear(u16 add)
- {
- if(m_wear >= 65535 - add)
+ if(getDefinition(itemdef).type == ITEM_TOOL)
{
- m_wear = 65535;
+ if(amount > 65535 - wear)
+ clear();
+ else if(amount < -wear)
+ wear = 0;
+ else
+ wear += amount;
return true;
}
else
{
- m_wear += add;
return false;
}
}
-private:
- std::string m_toolname;
- u16 m_wear;
+
+ // If possible, adds newitem to this item.
+ // If cannot be added at all, returns the item back.
+ // If can be added partly, decremented item is returned back.
+ // If can be added fully, empty item is returned.
+ ItemStack addItem(const ItemStack &newitem,
+ IItemDefManager *itemdef);
+
+ // Checks whether newitem could be added.
+ // If restitem is non-NULL, it receives the part of newitem that
+ // would be left over after adding.
+ bool itemFits(const ItemStack &newitem,
+ ItemStack *restitem, // may be NULL
+ IItemDefManager *itemdef) const;
+
+ // Takes some items.
+ // If there are not enough, takes as many as it can.
+ // Returns empty item if couldn't take any.
+ ItemStack takeItem(u32 takecount);
+
+ // Similar to takeItem, but keeps this ItemStack intact.
+ ItemStack peekItem(u32 peekcount) const;
+
+ /*
+ Properties
+ */
+ std::string name;
+ u16 count;
+ u16 wear;
+ std::string metadata;
};
class InventoryList
{
public:
- InventoryList(std::string name, u32 size);
+ InventoryList(std::string name, u32 size, IItemDefManager *itemdef);
~InventoryList();
void clearItems();
+ void setSize(u32 newsize);
+ void setWidth(u32 newWidth);
+ void setName(const std::string &name);
void serialize(std::ostream &os) const;
- void deSerialize(std::istream &is, IGameDef *gamedef);
+ void deSerialize(std::istream &is);
InventoryList(const InventoryList &other);
InventoryList & operator = (const InventoryList &other);
+ bool operator == (const InventoryList &other);
const std::string &getName() const;
- u32 getSize();
+ u32 getSize() const;
+ u32 getWidth() const;
// Count used slots
- u32 getUsedSlots();
- u32 getFreeSlots();
-
- /*bool getDirty(){ return m_dirty; }
- void setDirty(bool dirty=true){ m_dirty = dirty; }*/
-
- // Get pointer to item
- const InventoryItem * getItem(u32 i) const;
- InventoryItem * getItem(u32 i);
- // Returns old item (or NULL). Parameter can be NULL.
- InventoryItem * changeItem(u32 i, InventoryItem *newitem);
+ u32 getUsedSlots() const;
+ u32 getFreeSlots() const;
+
+ // Get reference to item
+ const ItemStack& getItem(u32 i) const;
+ ItemStack& getItem(u32 i);
+ // Returns old item. Parameter can be an empty item.
+ ItemStack changeItem(u32 i, const ItemStack &newitem);
// Delete item
void deleteItem(u32 i);
- // Adds an item to a suitable place. Returns leftover item.
- // If all went into the list, returns NULL.
- InventoryItem * addItem(InventoryItem *newitem);
+ // Adds an item to a suitable place. Returns leftover item (possibly empty).
+ ItemStack addItem(const ItemStack &newitem);
// If possible, adds item to given slot.
// If cannot be added at all, returns the item back.
// If can be added partly, decremented item is returned back.
- // If can be added fully, NULL is returned.
- InventoryItem * addItem(u32 i, InventoryItem *newitem);
+ // If can be added fully, empty item is returned.
+ ItemStack addItem(u32 i, const ItemStack &newitem);
// Checks whether the item could be added to the given slot
- bool itemFits(const u32 i, const InventoryItem *newitem);
+ // If restitem is non-NULL, it receives the part of newitem that
+ // would be left over after adding.
+ bool itemFits(const u32 i, const ItemStack &newitem,
+ ItemStack *restitem = NULL) const;
// Checks whether there is room for a given item
- bool roomForItem(const InventoryItem *item);
+ bool roomForItem(const ItemStack &item) const;
+
+ // Checks whether the given count of the given item name
+ // exists in this inventory list.
+ bool containsItem(const ItemStack &item) const;
- // Checks whether there is room for a given item aftr it has been cooked
- bool roomForCookedItem(const InventoryItem *item);
+ // Removes the given count of the given item name from
+ // this inventory list. Walks the list in reverse order.
+ // If not as many items exist as requested, removes as
+ // many as possible.
+ // Returns the items that were actually removed.
+ ItemStack removeItem(const ItemStack &item);
// Takes some items from a slot.
// If there are not enough, takes as many as it can.
- // Returns NULL if couldn't take any.
- InventoryItem * takeItem(u32 i, u32 count);
+ // Returns empty item if couldn't take any.
+ ItemStack takeItem(u32 i, u32 takecount);
- // Decrements amount of every material item
- void decrementMaterials(u16 count);
+ // Similar to takeItem, but keeps the slot intact.
+ ItemStack peekItem(u32 i, u32 peekcount) const;
+
+ // Move an item to a different list (or a different stack in the same list)
+ // count is the maximum number of items to move (0 for everything)
+ void moveItem(u32 i, InventoryList *dest, u32 dest_i, u32 count = 0);
- void print(std::ostream &o);
-
private:
- core::array<InventoryItem*> m_items;
- u32 m_size;
+ std::vector<ItemStack> m_items;
+ u32 m_size, m_width;
std::string m_name;
- //bool m_dirty;
+ IItemDefManager *m_itemdef;
};
class Inventory
~Inventory();
void clear();
+ void clearContents();
- Inventory();
+ Inventory(IItemDefManager *itemdef);
Inventory(const Inventory &other);
Inventory & operator = (const Inventory &other);
+ bool operator == (const Inventory &other);
void serialize(std::ostream &os) const;
- void deSerialize(std::istream &is, IGameDef *gamedef);
+ void deSerialize(std::istream &is);
InventoryList * addList(const std::string &name, u32 size);
InventoryList * getList(const std::string &name);
const InventoryList * getList(const std::string &name) const;
+ std::vector<const InventoryList*> getLists();
bool deleteList(const std::string &name);
- // A shorthand for adding items.
- // Returns NULL if the item was fully added, leftover otherwise.
- InventoryItem * addItem(const std::string &listname, InventoryItem *newitem)
+ // A shorthand for adding items. Returns leftover item (possibly empty).
+ ItemStack addItem(const std::string &listname, const ItemStack &newitem)
{
InventoryList *list = getList(listname);
if(list == NULL)
// -1 if not found
const s32 getListIndex(const std::string &name) const;
- core::array<InventoryList*> m_lists;
+ std::vector<InventoryList*> m_lists;
+ IItemDefManager *m_itemdef;
};
-class Player;
-
-struct InventoryContext
-{
- Player *current_player;
-
- InventoryContext():
- current_player(NULL)
- {}
-};
-
-struct InventoryAction;
-
-class InventoryManager
-{
-public:
- InventoryManager(){}
- virtual ~InventoryManager(){}
-
- /*
- Get a pointer to an inventory specified by id.
- id can be:
- - "current_player"
- - "nodemeta:X,Y,Z"
- */
- virtual Inventory* getInventory(InventoryContext *c, std::string id)
- {return NULL;}
- // Used on the server by InventoryAction::apply and other stuff
- virtual void inventoryModified(InventoryContext *c, std::string id)
- {}
- // Used on the client
- virtual void inventoryAction(InventoryAction *a)
- {}
-};
-
-#define IACTION_MOVE 0
-#define IACTION_DROP 1
-
-struct InventoryAction
-{
- static InventoryAction * deSerialize(std::istream &is);
-
- virtual u16 getType() const = 0;
- virtual void serialize(std::ostream &os) const = 0;
- virtual void apply(InventoryContext *c, InventoryManager *mgr,
- ServerEnvironment *env) = 0;
-};
-
-struct IMoveAction : public InventoryAction
-{
- // count=0 means "everything"
- u16 count;
- std::string from_inv;
- std::string from_list;
- s16 from_i;
- std::string to_inv;
- std::string to_list;
- s16 to_i;
-
- IMoveAction()
- {
- count = 0;
- from_i = -1;
- to_i = -1;
- }
-
- IMoveAction(std::istream &is);
-
- u16 getType() const
- {
- return IACTION_MOVE;
- }
-
- void serialize(std::ostream &os) const
- {
- os<<"Move ";
- os<<count<<" ";
- os<<from_inv<<" ";
- os<<from_list<<" ";
- os<<from_i<<" ";
- os<<to_inv<<" ";
- os<<to_list<<" ";
- os<<to_i;
- }
-
- void apply(InventoryContext *c, InventoryManager *mgr,
- ServerEnvironment *env);
-};
-
-struct IDropAction : public InventoryAction
-{
- // count=0 means "everything"
- u16 count;
- std::string from_inv;
- std::string from_list;
- s16 from_i;
-
- IDropAction()
- {
- count = 0;
- from_i = -1;
- }
-
- IDropAction(std::istream &is);
-
- u16 getType() const
- {
- return IACTION_DROP;
- }
-
- void serialize(std::ostream &os) const
- {
- os<<"Drop ";
- os<<count<<" ";
- os<<from_inv<<" ";
- os<<from_list<<" ";
- os<<from_i;
- }
-
- void apply(InventoryContext *c, InventoryManager *mgr,
- ServerEnvironment *env);
-};
-
-/*
- Craft checking system
-*/
-
-enum ItemSpecType
-{
- ITEM_NONE,
- ITEM_MATERIAL,
- ITEM_CRAFT,
- ITEM_TOOL,
- ITEM_MBO
-};
-
-struct ItemSpec
-{
- enum ItemSpecType type;
- // Only other one of these is used
- std::string name;
- u16 num;
-
- ItemSpec():
- type(ITEM_NONE)
- {
- }
- ItemSpec(enum ItemSpecType a_type, std::string a_name):
- type(a_type),
- name(a_name),
- num(65535)
- {
- }
- ItemSpec(enum ItemSpecType a_type, u16 a_num):
- type(a_type),
- name(""),
- num(a_num)
- {
- }
-
- bool checkItem(const InventoryItem *item) const;
-};
-
-/*
- items: a pointer to an array of 9 pointers to items
- specs: a pointer to an array of 9 ItemSpecs
-*/
-bool checkItemCombination(const InventoryItem * const*items, const ItemSpec *specs);
-
-/*
- items: a pointer to an array of 9 pointers to items
- specs: a pointer to an array of 9 pointers to items
-*/
-bool checkItemCombination(const InventoryItem * const * items,
- const InventoryItem * const * specs);
-
#endif