/*
-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.
*/
#ifndef NODEMETADATA_HEADER
#define NODEMETADATA_HEADER
-#include "irrlichttypes.h"
+#include "irr_v3d.h"
#include <string>
#include <iostream>
+#include <map>
/*
NodeMetadata stores arbitary amounts of data for special blocks.
class NodeMetadata
{
public:
- typedef NodeMetadata* (*Factory)(std::istream&, IGameDef *gamedef);
- typedef NodeMetadata* (*Factory2)(IGameDef *gamedef);
-
NodeMetadata(IGameDef *gamedef);
- virtual ~NodeMetadata();
+ ~NodeMetadata();
- static NodeMetadata* create(const std::string &name, IGameDef *gamedef);
- static NodeMetadata* deSerialize(std::istream &is, IGameDef *gamedef);
- void serialize(std::ostream &os);
+ void serialize(std::ostream &os) const;
+ void deSerialize(std::istream &is);
- virtual u16 typeId() const = 0;
- virtual const char* typeName() const = 0;
- virtual NodeMetadata* clone(IGameDef *gamedef) = 0;
- virtual void serializeBody(std::ostream &os) = 0;
+ void clear();
+
+ // Generic key/value store
+ std::string getString(const std::string &name) const
+ {
+ std::map<std::string, std::string>::const_iterator i;
+ i = m_stringvars.find(name);
+ if(i == m_stringvars.end())
+ return "";
+ return resolveString(i->second);
+ }
+ void setString(const std::string &name, const std::string &var)
+ {
+ if(var.empty())
+ m_stringvars.erase(name);
+ else
+ m_stringvars[name] = var;
+ }
+ // support variable names in values
+ std::string resolveString(const std::string &str) const
+ {
+ if(str.substr(0,2) == "${" && str[str.length()-1] == '}')
+ return resolveString(getString(str.substr(2,str.length()-3)));
+ return str;
+ }
+ std::map<std::string, std::string> getStrings() const
+ {
+ return m_stringvars;
+ }
+
+ // The inventory
+ Inventory* getInventory()
+ {
+ return m_inventory;
+ }
- // Called on client-side; shown on screen when pointed at
- virtual std::string infoText() {return "";}
-
- //
- virtual Inventory* getInventory() {return NULL;}
- // Called always after the inventory is modified, before the changes
- // are copied elsewhere
- virtual void inventoryModified(){}
-
- // A step in time. Shall return true if metadata changed.
- virtual bool step(float dtime) {return false;}
-
- // Whether the related node and this metadata cannot be removed
- virtual bool nodeRemovalDisabled(){return false;}
- // If non-empty, player can interact by using an inventory view
- // See format in guiInventoryMenu.cpp.
- virtual std::string getInventoryDrawSpecString(){return "";}
-
- // If true, player can interact by writing text
- virtual bool allowsTextInput(){ return false; }
- // Get old text for player interaction
- virtual std::string getText(){ return ""; }
- // Set player-written text
- virtual void setText(const std::string &t){}
-
- // If returns non-empty, only given player can modify text/inventory
- virtual std::string getOwner(){ return std::string(""); }
- // The name of the player who placed the node
- virtual void setOwner(std::string t){}
-
- /* Interface for GenericNodeMetadata */
-
- virtual void setInfoText(const std::string &text){};
- virtual void setInventoryDrawSpec(const std::string &text){};
- virtual void setAllowTextInput(bool b){};
-
- virtual void setRemovalDisabled(bool b){};
- virtual void setEnforceOwner(bool b){};
-
- virtual bool isInventoryModified(){return false;};
- virtual void resetInventoryModified(){};
- virtual bool isTextModified(){return false;};
- virtual void resetTextModified(){};
-
- virtual void setString(const std::string &name, const std::string &var){}
- virtual std::string getString(const std::string &name){return "";}
-
-protected:
- static void registerType(u16 id, const std::string &name, Factory f,
- Factory2 f2);
- IGameDef *m_gamedef;
private:
- static core::map<u16, Factory> m_types;
- static core::map<std::string, Factory2> m_names;
+ std::map<std::string, std::string> m_stringvars;
+ Inventory *m_inventory;
};
+
/*
List of metadata of all the nodes of a block
*/
public:
~NodeMetadataList();
- void serialize(std::ostream &os);
+ void serialize(std::ostream &os) const;
void deSerialize(std::istream &is, IGameDef *gamedef);
// Get pointer to data
void remove(v3s16 p);
// Deletes old data and sets a new one
void set(v3s16 p, NodeMetadata *d);
+ // Deletes all
+ void clear();
- // A step in time. Returns true if something changed.
- bool step(float dtime);
-
private:
- core::map<v3s16, NodeMetadata*> m_data;
+ std::map<v3s16, NodeMetadata*> m_data;
};
#endif
projects / dragonfireclient.git / blobdiff