Add InvRef and InvStack (currently untested and unusable)

src/inventorymanager.h

@@ -0,0 +1,228 @@
+/*
+Minetest-c55
+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
+the Free Software Foundation; either version 2 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.
+
+You should have received a copy of the GNU 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.
+*/
+
+#ifndef INVENTORYMANAGER_HEADER
+#define INVENTORYMANAGER_HEADER
+
+#include "inventory.h"
+
+// Should probably somehow replace InventoryContext over time
+struct InventoryLocation
+{
+	enum Type{
+		UNDEFINED,
+		PLAYER,
+		NODEMETA
+	} type;
+
+	std::string name; // PLAYER
+	v3s16 p; // NODEMETA
+
+	void setPlayer(const std::string &name_)
+	{
+		type = PLAYER;
+		name = name_;
+	}
+	void setNodeMeta(v3s16 p_)
+	{
+		type = NODEMETA;
+		p = p_;
+	}
+};
+
+class Player;
+
+struct InventoryContext
+{
+	Player *current_player;
+	
+	InventoryContext():
+		current_player(NULL)
+	{}
+};
+
+struct InventoryAction;
+
+class InventoryManager
+{
+public:
+	InventoryManager(){}
+	virtual ~InventoryManager(){}
+	
+	// Get an inventory or set it modified (so it will be updated over
+	// network or so)
+	virtual Inventory* getInventory(const InventoryLocation &loc){return NULL;}
+	virtual void setInventoryModified(const InventoryLocation &loc){}
+
+	// Used on the client to send an action to the server
+	virtual void inventoryAction(InventoryAction *a){}
+
+	// (Deprecated; these wrap to the latter ones)
+	// Get a pointer to an inventory specified by id. id can be:
+	// - "current_player"
+	// - "nodemeta:X,Y,Z"
+	Inventory* getInventory(InventoryContext *c, std::string id);
+	// Used on the server by InventoryAction::apply and other stuff
+	void inventoryModified(InventoryContext *c, std::string id);
+};
+
+#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
+