/*
Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2010-2011 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
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-/*
-(c) 2010 Perttu Ahola <celeron55@gmail.com>
-*/
-
#ifndef INVENTORY_HEADER
#define INVENTORY_HEADER
#include <iostream>
#include <sstream>
#include <string>
+#include <vector>
#include "common_irrlicht.h"
#include "debug.h"
-#include "mapblockobject.h"
-// For g_materials
-#include "main.h"
+#include "itemdef.h"
-class InventoryItem
+struct ToolDiggingProperties;
+
+struct ItemStack
{
-public:
- InventoryItem();
- virtual ~InventoryItem();
-
- static InventoryItem* deSerialize(std::istream &is);
-
- virtual const char* getName() const = 0;
- // Shall write the name and the parameters
- virtual void serialize(std::ostream &os) = 0;
- // Shall make an exact clone of the item
- virtual InventoryItem* clone() = 0;
-#ifndef SERVER
- // Shall return an image to show in the GUI (or NULL)
- virtual video::ITexture * getImage() { return NULL; }
-#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() {}
-private:
-};
+ // Serialization
+ void serialize(std::ostream &os) const;
+ void deSerialize(std::istream &is, IItemDefManager *itemdef);
+ void deSerialize(const std::string &s, IItemDefManager *itemdef);
-#define MATERIAL_ITEM_MAX_COUNT 99
+ // Returns the string used for inventory
+ std::string getItemString() const;
-class MaterialItem : public InventoryItem
-{
-public:
- MaterialItem(u8 content, u16 count)
- {
- m_content = content;
- m_count = count;
- }
/*
- Implementation interface
+ Quantity methods
*/
- virtual const char* getName() const
- {
- return "MaterialItem";
- }
- virtual void serialize(std::ostream &os)
- {
- //os.imbue(std::locale("C"));
- os<<getName();
- os<<" ";
- os<<(unsigned int)m_content;
- os<<" ";
- os<<m_count;
- }
- virtual InventoryItem* clone()
+
+ bool empty() const
{
- return new MaterialItem(m_content, m_count);
+ return count == 0;
}
-#ifndef SERVER
- video::ITexture * getImage()
+
+ void clear()
{
- /*if(m_content == CONTENT_TORCH)
- return g_texturecache.get("torch_on_floor");
-
- u16 tile = content_tile(m_content, v3s16(1,0,0));
- return g_tile_contents[tile].getTexture(0);*/
-
- if(m_content >= USEFUL_CONTENT_COUNT)
- return NULL;
-
- return g_irrlicht->getTexture(g_content_inventory_textures[m_content]);
+ name = "";
+ count = 0;
+ wear = 0;
+ metadata = "";
}
-#endif
- std::string getText()
+
+ void add(u16 n)
{
- std::ostringstream os;
- os<<m_count;
- return os.str();
+ count += n;
}
- /*
- Special methods
- */
- u8 getMaterial()
+
+ void remove(u16 n)
{
- return m_content;
+ assert(count >= n);
+ count -= n;
+ if(count == 0)
+ clear(); // reset name, wear and metadata too
}
- u16 getCount()
+
+ // Maximum size of a stack
+ u16 getStackMax(IItemDefManager *itemdef) const
{
- return m_count;
+ s16 max = itemdef->get(name).stack_max;
+ return (max >= 0) ? max : 0;
}
- u16 freeSpace()
+
+ // Number of items that can be added to this stack
+ u16 freeSpace(IItemDefManager *itemdef) const
{
- if(m_count > MATERIAL_ITEM_MAX_COUNT)
+ u16 max = getStackMax(itemdef);
+ if(count > max)
return 0;
- return MATERIAL_ITEM_MAX_COUNT - m_count;
+ return max - count;
}
- void add(u16 count)
- {
- assert(m_count + count <= MATERIAL_ITEM_MAX_COUNT);
- m_count += count;
- }
- void remove(u16 count)
+
+ // Returns false if item is not known and cannot be used
+ bool isKnown(IItemDefManager *itemdef) const
{
- assert(m_count >= count);
- m_count -= count;
+ return itemdef->isKnown(name);
}
-private:
- u8 m_content;
- u16 m_count;
-};
-class MapBlockObjectItem : public InventoryItem
-{
-public:
- /*MapBlockObjectItem(MapBlockObject *obj)
- {
- m_inventorystring = obj->getInventoryString();
- }*/
- MapBlockObjectItem(std::string inventorystring)
+ // 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_inventorystring = inventorystring;
+ return itemdef->get(name);
}
-
- /*
- Implementation interface
- */
- virtual const char* getName() const
+
+ // Get tool digging properties, or those of the hand if not a tool
+ const ToolDiggingProperties& getToolDiggingProperties(
+ IItemDefManager *itemdef) const
{
- return "MBOItem";
+ ToolDiggingProperties *prop;
+ prop = itemdef->get(name).tool_digging_properties;
+ if(prop == NULL)
+ prop = itemdef->get("").tool_digging_properties;
+ assert(prop != NULL);
+ return *prop;
}
- virtual void serialize(std::ostream &os)
+
+ // Wear out (only tools)
+ // Returns true if the item is (was) a tool
+ bool addWear(s32 amount, IItemDefManager *itemdef)
{
- for(;;)
+ if(getDefinition(itemdef).type == ITEM_TOOL)
{
- size_t t = m_inventorystring.find('|');
- if(t == std::string::npos)
- break;
- m_inventorystring[t] = '?';
+ if(amount > 65535 - wear)
+ clear();
+ else if(amount < -wear)
+ wear = 0;
+ else
+ wear += amount;
+ return true;
+ }
+ else
+ {
+ return false;
}
- os<<getName();
- os<<" ";
- os<<m_inventorystring;
- os<<"|";
- }
- virtual InventoryItem* clone()
- {
- return new MapBlockObjectItem(m_inventorystring);
}
-#ifndef SERVER
- video::ITexture * getImage();
-#endif
- std::string getText();
+ // 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;
/*
- Special methods
+ Properties
*/
- std::string getInventoryString()
- {
- return m_inventorystring;
- }
+ std::string name;
+ u16 count;
+ u16 wear;
+ std::string metadata;
+};
+
+class InventoryList
+{
+public:
+ InventoryList(std::string name, u32 size, IItemDefManager *itemdef);
+ ~InventoryList();
+ void clearItems();
+ void setSize(u32 newsize);
+ void serialize(std::ostream &os) const;
+ void deSerialize(std::istream &is);
+
+ InventoryList(const InventoryList &other);
+ InventoryList & operator = (const InventoryList &other);
+
+ const std::string &getName() const;
+ u32 getSize() const;
+ // Count used slots
+ u32 getUsedSlots() const;
+ u32 getFreeSlots() const;
- MapBlockObject * createObject(v3f pos, f32 player_yaw, f32 player_pitch);
+ // 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 (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, empty item is returned.
+ ItemStack addItem(u32 i, const ItemStack &newitem);
+
+ // Checks whether the item could be added to the given slot
+ // 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 ItemStack &item) const;
+
+ // Checks whether the given count of the given item name
+ // exists in this inventory list.
+ bool containsItem(const ItemStack &item) const;
+
+ // 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 empty item if couldn't take any.
+ ItemStack takeItem(u32 i, u32 takecount);
+
+ // 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);
private:
- std::string m_inventorystring;
+ std::vector<ItemStack> m_items;
+ u32 m_size;
+ std::string m_name;
+ IItemDefManager *m_itemdef;
};
-//SUGGESTION: Split into ClientInventory and ServerInventory
class Inventory
{
public:
- Inventory(u32 size);
~Inventory();
- void clearItems();
- void serialize(std::ostream &os);
- void deSerialize(std::istream &is);
- Inventory & operator = (Inventory &other);
+ void clear();
- u32 getSize();
- u32 getUsedSlots();
+ Inventory(IItemDefManager *itemdef);
+ Inventory(const Inventory &other);
+ Inventory & operator = (const Inventory &other);
- InventoryItem * getItem(u32 i);
- // Returns old item (or NULL). Parameter can be NULL.
- InventoryItem * changeItem(u32 i, InventoryItem *newitem);
- void deleteItem(u32 i);
- // Adds an item to a suitable place. Returns false if failed.
- bool addItem(InventoryItem *newitem);
+ void serialize(std::ostream &os) const;
+ void deSerialize(std::istream &is);
- void print(std::ostream &o);
+ InventoryList * addList(const std::string &name, u32 size);
+ InventoryList * getList(const std::string &name);
+ const InventoryList * getList(const std::string &name) const;
+ bool deleteList(const std::string &name);
+ // 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)
+ return newitem;
+ return list->addItem(newitem);
+ }
private:
- core::array<InventoryItem*> m_items;
- u32 m_size;
+ // -1 if not found
+ const s32 getListIndex(const std::string &name) const;
+
+ std::vector<InventoryList*> m_lists;
+ IItemDefManager *m_itemdef;
};
#endif
projects / oweals / minetest.git / blobdiff