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/*
Minetest-c55
Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2011 Kahrl <kahrl@gmx.net>
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
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 Lesser General Public License for more details.
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.
*/
#ifndef ITEMDEF_HEADER
#define ITEMDEF_HEADER
#include "common_irrlicht.h"
#include <string>
#include <iostream>
#include <set>
#include "itemgroup.h"
class IGameDef;
struct ToolCapabilities;
/*
Base item definition
*/
enum ItemType
{
ITEM_NONE,
ITEM_NODE,
ITEM_CRAFT,
ITEM_TOOL,
};
struct ItemDefinition
{
/*
Basic item properties
*/
ItemType type;
std::string name; // "" = hand
std::string description; // Shown in tooltip.
/*
Visual properties
*/
std::string inventory_image; // Optional for nodes, mandatory for tools/craftitems
std::string wield_image; // If empty, inventory_image or mesh (only nodes) is used
v3f wield_scale;
/*
Item stack and interaction properties
*/
s16 stack_max;
bool usable;
bool liquids_pointable;
// May be NULL. If non-NULL, deleted by destructor
ToolCapabilities *tool_capabilities;
ItemGroupList groups;
// Client shall immediately place this node when player places the item.
// Server will update the precise end result a moment later.
// "" = no prediction
std::string node_placement_prediction;
/*
Cached stuff
*/
#ifndef SERVER
video::ITexture *inventory_texture;
scene::IMesh *wield_mesh;
#endif
/*
Some helpful methods
*/
ItemDefinition();
ItemDefinition(const ItemDefinition &def);
ItemDefinition& operator=(const ItemDefinition &def);
~ItemDefinition();
void reset();
void serialize(std::ostream &os) const;
void deSerialize(std::istream &is);
private:
void resetInitial();
};
class IItemDefManager
{
public:
IItemDefManager(){}
virtual ~IItemDefManager(){}
// Get item definition
virtual const ItemDefinition& get(const std::string &name) const=0;
// Get alias definition
virtual std::string getAlias(const std::string &name) const=0;
// Get set of all defined item names and aliases
virtual std::set<std::string> getAll() const=0;
// Check if item is known
virtual bool isKnown(const std::string &name) const=0;
virtual void serialize(std::ostream &os)=0;
};
class IWritableItemDefManager : public IItemDefManager
{
public:
IWritableItemDefManager(){}
virtual ~IWritableItemDefManager(){}
// Get item definition
virtual const ItemDefinition& get(const std::string &name) const=0;
// Get alias definition
virtual std::string getAlias(const std::string &name) const=0;
// Get set of all defined item names and aliases
virtual std::set<std::string> getAll() const=0;
// Check if item is known
virtual bool isKnown(const std::string &name) const=0;
// Remove all registered item and node definitions and aliases
// Then re-add the builtin item definitions
virtual void clear()=0;
// Register item definition
virtual void registerItem(const ItemDefinition &def)=0;
// Set an alias so that items named <name> will load as <convert_to>.
// Alias is not set if <name> has already been defined.
// Alias will be removed if <name> is defined at a later point of time.
virtual void registerAlias(const std::string &name,
const std::string &convert_to)=0;
/*
Update inventory textures and wield meshes to latest
return values of ITextureSource and INodeDefManager.
Call after updating the texture atlas of a texture source.
*/
virtual void updateTexturesAndMeshes(IGameDef *gamedef)=0;
virtual void serialize(std::ostream &os)=0;
virtual void deSerialize(std::istream &is)=0;
};
IWritableItemDefManager* createItemDefManager();
#endif
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