X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fnodemetadata.h;h=c028caf88666447e9d30fd80e8ea356e4641a26f;hb=c1d7dbfc38e8f48b42d957afad2696a8e56b740b;hp=aa2e0196cd7886a28b8f55806f319902f92ad1ff;hpb=3a58f8179f09ea90cefb4ef7ff18ed1d8e27d0f2;p=minetest.git

diff --git a/src/nodemetadata.h b/src/nodemetadata.h
index aa2e0196c..c028caf88 100644
--- a/src/nodemetadata.h
+++ b/src/nodemetadata.h
@@ -1,101 +1,117 @@
 /*
-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
+#pragma once
 
-#include "common_irrlicht.h"
-#include <string>
-#include <iostream>
+#include <unordered_set>
+#include "metadata.h"
 
 /*
-	Used for storing:
-
-	Oven:
-		- Item that is being burned
-		- Burning time
-		- Item stack that is being heated
-		- Result item stack
-	
-	Sign:
-		- Text
+	NodeMetadata stores arbitary amounts of data for special blocks.
+	Used for furnaces, chests and signs.
+
+	There are two interaction methods: inventory menu and text input.
+	Only one can be used for a single metadata, thus only inventory OR
+	text input should exist in a metadata.
 */
 
-class NodeMetadata
-{
-public:
-	typedef NodeMetadata* (*Factory)(std::istream&);
-
-	NodeMetadata();
-	virtual ~NodeMetadata();
-	
-	static NodeMetadata* deSerialize(std::istream &is);
-	void serialize(std::ostream &os);
-	
-	// This usually is the CONTENT_ value
-	virtual u16 typeId() const = 0;
-	virtual NodeMetadata* clone() = 0;
-	virtual void serializeBody(std::ostream &os) = 0;
-	virtual std::string infoText() { return "<todo: remove this text>"; }
-
-protected:
-	static void registerType(u16 id, Factory f);
-private:
-	static core::map<u16, Factory> m_types;
-};
+class Inventory;
+class IItemDefManager;
 
-class SignNodeMetadata : public NodeMetadata
+class NodeMetadata : public Metadata
 {
 public:
-	SignNodeMetadata(std::string text);
-	//~SignNodeMetadata();
-	
-	virtual u16 typeId() const;
-	static NodeMetadata* create(std::istream &is);
-	virtual NodeMetadata* clone();
-	virtual void serializeBody(std::ostream &os);
-	virtual std::string infoText();
-
-	std::string getText(){ return m_text; }
-	void setText(std::string t){ m_text = t; }
+	NodeMetadata(IItemDefManager *item_def_mgr);
+	~NodeMetadata();
+
+	void serialize(std::ostream &os, u8 version, bool disk=true) const;
+	void deSerialize(std::istream &is, u8 version);
+
+	void clear();
+	bool empty() const;
+
+	// The inventory
+	Inventory *getInventory()
+	{
+		return m_inventory;
+	}
+
+	inline bool isPrivate(const std::string &name) const
+	{
+		return m_privatevars.count(name) != 0;
+	}
+	void markPrivate(const std::string &name, bool set);
 
 private:
-	std::string m_text;
+	int countNonPrivate() const;
+
+	Inventory *m_inventory;
+	std::unordered_set<std::string> m_privatevars;
 };
 
+
+/*
+	List of metadata of all the nodes of a block
+*/
+
+typedef std::map<v3s16, NodeMetadata *> NodeMetadataMap;
+
 class NodeMetadataList
 {
 public:
+	NodeMetadataList(bool is_metadata_owner = true) :
+		m_is_metadata_owner(is_metadata_owner)
+	{}
+
 	~NodeMetadataList();
 
-	void serialize(std::ostream &os);
-	void deSerialize(std::istream &is);
-	
+	void serialize(std::ostream &os, u8 blockver, bool disk = true,
+		bool absolute_pos = false) const;
+	void deSerialize(std::istream &is, IItemDefManager *item_def_mgr,
+		bool absolute_pos = false);
+
+	// Add all keys in this list to the vector keys
+	std::vector<v3s16> getAllKeys();
 	// Get pointer to data
-	NodeMetadata* get(v3s16 p);
+	NodeMetadata *get(v3s16 p);
 	// Deletes data
 	void remove(v3s16 p);
 	// Deletes old data and sets a new one
 	void set(v3s16 p, NodeMetadata *d);
-private:
-	core::map<v3s16, NodeMetadata*> m_data;
-};
+	// Deletes all
+	void clear();
+
+	size_t size() const { return m_data.size(); }
+
+	NodeMetadataMap::const_iterator begin()
+	{
+		return m_data.begin();
+	}
 
-#endif
+	NodeMetadataMap::const_iterator end()
+	{
+		return m_data.end();
+	}
 
+private:
+	int countNonEmpty() const;
+
+	bool m_is_metadata_owner;
+	NodeMetadataMap m_data;
+};