Set acceleration only once in falling node

[minetest.git] / src / inventory.h

diff --git a/src/inventory.h b/src/inventory.h
index 48ee20e83bccb8d85db973406b3aa071405c1112..a690eb5ae29d825b4635888d23d1a0aa407fb738 100644 (file)
--- a/src/inventory.h
+++ b/src/inventory.h
@@ -1,6 +1,6 @@
 /*
-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 Lesser General Public License as published by
@@ -20,13 +20,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #ifndef INVENTORY_HEADER
 #define INVENTORY_HEADER
 
-#include <iostream>
-#include <sstream>
-#include <string>
-#include <vector>
-#include "common_irrlicht.h"
 #include "debug.h"
 #include "itemdef.h"
+#include "irrlichttypes.h"
+#include <istream>
+#include <ostream>
+#include <string>
+#include <vector>
 
 struct ToolCapabilities;
 
@@ -40,8 +40,9 @@ struct ItemStack
 
        // Serialization
        void serialize(std::ostream &os) const;
-       void deSerialize(std::istream &is, IItemDefManager *itemdef);
-       void deSerialize(const std::string &s, IItemDefManager *itemdef);
+       // Deserialization.  Pass itemdef unless you don't want aliases resolved.
+       void deSerialize(std::istream &is, IItemDefManager *itemdef = NULL);
+       void deSerialize(const std::string &s, IItemDefManager *itemdef = NULL);
 
        // Returns the string used for inventory
        std::string getItemString() const;
@@ -70,7 +71,7 @@ struct ItemStack
 
        void remove(u16 n)
        {
-               assert(count >= n);
+               assert(count >= n); // Pre-condition
                count -= n;
                if(count == 0)
                        clear(); // reset name, wear and metadata too
@@ -176,15 +177,22 @@ class InventoryList
        ~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);
 
        InventoryList(const InventoryList &other);
        InventoryList & operator = (const InventoryList &other);
+       bool operator == (const InventoryList &other) const;
+       bool operator != (const InventoryList &other) const
+       {
+               return !(*this == other);
+       }
 
        const std::string &getName() const;
        u32 getSize() const;
+       u32 getWidth() const;
        // Count used slots
        u32 getUsedSlots() const;
        u32 getFreeSlots() const;
@@ -236,11 +244,17 @@ class InventoryList
 
        // 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);
+       // returns number of moved items
+       u32 moveItem(u32 i, InventoryList *dest, u32 dest_i,
+               u32 count = 0, bool swap_if_needed = true, bool *did_swap = NULL);
+
+       // like moveItem, but without a fixed destination index
+       // also with optional rollback recording
+       void moveItemSomewhere(u32 i, InventoryList *dest, u32 count);
 
 private:
        std::vector<ItemStack> m_items;
-       u32 m_size;
+       u32 m_size, m_width;
        std::string m_name;
        IItemDefManager *m_itemdef;
 };
@@ -256,7 +270,12 @@ class Inventory
        Inventory(IItemDefManager *itemdef);
        Inventory(const Inventory &other);
        Inventory & operator = (const Inventory &other);
-       
+       bool operator == (const Inventory &other) const;
+       bool operator != (const Inventory &other) const
+       {
+               return !(*this == other);
+       }
+
        void serialize(std::ostream &os) const;
        void deSerialize(std::istream &is);
 
@@ -268,18 +287,30 @@ class Inventory
        // A shorthand for adding items. Returns leftover item (possibly empty).
        ItemStack addItem(const std::string &listname, const ItemStack &newitem)
        {
+               m_dirty = true;
                InventoryList *list = getList(listname);
                if(list == NULL)
                        return newitem;
                return list->addItem(newitem);
        }
-       
+
+       bool checkModified() const
+       {
+               return m_dirty;
+       }
+
+       void setModified(const bool x)
+       {
+               m_dirty = x;
+       }
+
 private:
        // -1 if not found
        const s32 getListIndex(const std::string &name) const;
 
        std::vector<InventoryList*> m_lists;
        IItemDefManager *m_itemdef;
+       bool m_dirty;
 };
 
 #endif