minetest/src/content_mapnode.cpp

/*
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
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.
*/

#include "content_mapnode.h"

#include "irrlichttypes_bloated.h"
#include "mapnode.h"
#include "nodedef.h"
#include "nameidmapping.h"
#include <map>

/*
	Legacy node content type IDs
	Ranges:
	0x000...0x07f (0...127): param2 is fully usable
	126 and 127 are reserved (CONTENT_AIR and CONTENT_IGNORE).
	0x800...0xfff (2048...4095): higher 4 bits of param2 are not usable
*/
#define CONTENT_STONE 0
#define CONTENT_WATER 2
#define CONTENT_TORCH 3
#define CONTENT_WATERSOURCE 9
#define CONTENT_SIGN_WALL 14
#define CONTENT_CHEST 15
#define CONTENT_FURNACE 16
#define CONTENT_LOCKABLE_CHEST 17
#define CONTENT_FENCE 21
#define CONTENT_RAIL 30
#define CONTENT_LADDER 31
#define CONTENT_LAVA 32
#define CONTENT_LAVASOURCE 33
#define CONTENT_GRASS 0x800 //1
#define CONTENT_TREE 0x801 //4
#define CONTENT_LEAVES 0x802 //5
#define CONTENT_GRASS_FOOTSTEPS 0x803 //6
#define CONTENT_MESE 0x804 //7
#define CONTENT_MUD 0x805 //8
#define CONTENT_CLOUD 0x806 //10
#define CONTENT_COALSTONE 0x807 //11
#define CONTENT_WOOD 0x808 //12
#define CONTENT_SAND 0x809 //13
#define CONTENT_COBBLE 0x80a //18
#define CONTENT_STEEL 0x80b //19
#define CONTENT_GLASS 0x80c //20
#define CONTENT_MOSSYCOBBLE 0x80d //22
#define CONTENT_GRAVEL 0x80e //23
#define CONTENT_SANDSTONE 0x80f //24
#define CONTENT_CACTUS 0x810 //25
#define CONTENT_BRICK 0x811 //26
#define CONTENT_CLAY 0x812 //27
#define CONTENT_PAPYRUS 0x813 //28
#define CONTENT_BOOKSHELF 0x814 //29
#define CONTENT_JUNGLETREE 0x815
#define CONTENT_JUNGLEGRASS 0x816
#define CONTENT_NC 0x817
#define CONTENT_NC_RB 0x818
#define CONTENT_APPLE 0x819
#define CONTENT_SAPLING 0x820

/*
	A conversion table for backwards compatibility.
	Maps <=v19 content types to current ones.
	Should never be touched.
*/
content_t trans_table_19[21][2] = {
	{CONTENT_GRASS, 1},
	{CONTENT_TREE, 4},
	{CONTENT_LEAVES, 5},
	{CONTENT_GRASS_FOOTSTEPS, 6},
	{CONTENT_MESE, 7},
	{CONTENT_MUD, 8},
	{CONTENT_CLOUD, 10},
	{CONTENT_COALSTONE, 11},
	{CONTENT_WOOD, 12},
	{CONTENT_SAND, 13},
	{CONTENT_COBBLE, 18},
	{CONTENT_STEEL, 19},
	{CONTENT_GLASS, 20},
	{CONTENT_MOSSYCOBBLE, 22},
	{CONTENT_GRAVEL, 23},
	{CONTENT_SANDSTONE, 24},
	{CONTENT_CACTUS, 25},
	{CONTENT_BRICK, 26},
	{CONTENT_CLAY, 27},
	{CONTENT_PAPYRUS, 28},
	{CONTENT_BOOKSHELF, 29},
};

MapNode mapnode_translate_to_internal(MapNode n_from, u8 version)
{
	MapNode result = n_from;
	if(version <= 19)
	{
		content_t c_from = n_from.getContent();
		for(u32 i=0; i<sizeof(trans_table_19)/sizeof(trans_table_19[0]); i++)
		{
			if(trans_table_19[i][1] == c_from)
			{
				result.setContent(trans_table_19[i][0]);
				break;
			}
		}
	}
	return result;
}

void content_mapnode_get_name_id_mapping(NameIdMapping *nimap)
{
	nimap->set(0, "default:stone");
	nimap->set(2, "default:water_flowing");
	nimap->set(3, "default:torch");
	nimap->set(9, "default:water_source");
	nimap->set(14, "default:sign_wall");
	nimap->set(15, "default:chest");
	nimap->set(16, "default:furnace");
	nimap->set(17, "default:chest_locked");
	nimap->set(21, "default:fence_wood");
	nimap->set(30, "default:rail");
	nimap->set(31, "default:ladder");
	nimap->set(32, "default:lava_flowing");
	nimap->set(33, "default:lava_source");
	nimap->set(0x800, "default:dirt_with_grass");
	nimap->set(0x801, "default:tree");
	nimap->set(0x802, "default:leaves");
	nimap->set(0x803, "default:dirt_with_grass_footsteps");
	nimap->set(0x804, "default:mese");
	nimap->set(0x805, "default:dirt");
	nimap->set(0x806, "default:cloud");
	nimap->set(0x807, "default:coalstone");
	nimap->set(0x808, "default:wood");
	nimap->set(0x809, "default:sand");
	nimap->set(0x80a, "default:cobble");
	nimap->set(0x80b, "default:steelblock");
	nimap->set(0x80c, "default:glass");
	nimap->set(0x80d, "default:mossycobble");
	nimap->set(0x80e, "default:gravel");
	nimap->set(0x80f, "default:sandstone");
	nimap->set(0x810, "default:cactus");
	nimap->set(0x811, "default:brick");
	nimap->set(0x812, "default:clay");
	nimap->set(0x813, "default:papyrus");
	nimap->set(0x814, "default:bookshelf");
	nimap->set(0x815, "default:jungletree");
	nimap->set(0x816, "default:junglegrass");
	nimap->set(0x817, "default:nyancat");
	nimap->set(0x818, "default:nyancat_rainbow");
	nimap->set(0x819, "default:apple");
	nimap->set(0x820, "default:sapling");
	// Static types
	nimap->set(CONTENT_IGNORE, "ignore");
	nimap->set(CONTENT_AIR, "air");
}

class NewNameGetter
{
public:
	NewNameGetter()
	{
		old_to_new["CONTENT_STONE"] = "default:stone";
		old_to_new["CONTENT_WATER"] = "default:water_flowing";
		old_to_new["CONTENT_TORCH"] = "default:torch";
		old_to_new["CONTENT_WATERSOURCE"] = "default:water_source";
		old_to_new["CONTENT_SIGN_WALL"] = "default:sign_wall";
		old_to_new["CONTENT_CHEST"] = "default:chest";
		old_to_new["CONTENT_FURNACE"] = "default:furnace";
		old_to_new["CONTENT_LOCKABLE_CHEST"] = "default:locked_chest";
		old_to_new["CONTENT_FENCE"] = "default:wooden_fence";
		old_to_new["CONTENT_RAIL"] = "default:rail";
		old_to_new["CONTENT_LADDER"] = "default:ladder";
		old_to_new["CONTENT_LAVA"] = "default:lava_flowing";
		old_to_new["CONTENT_LAVASOURCE"] = "default:lava_source";
		old_to_new["CONTENT_GRASS"] = "default:dirt_with_grass";
		old_to_new["CONTENT_TREE"] = "default:tree";
		old_to_new["CONTENT_LEAVES"] = "default:leaves";
		old_to_new["CONTENT_GRASS_FOOTSTEPS"] = "default:dirt_with_grass_footsteps";
		old_to_new["CONTENT_MESE"] = "default:mese";
		old_to_new["CONTENT_MUD"] = "default:dirt";
		old_to_new["CONTENT_CLOUD"] = "default:cloud";
		old_to_new["CONTENT_COALSTONE"] = "default:coalstone";
		old_to_new["CONTENT_WOOD"] = "default:wood";
		old_to_new["CONTENT_SAND"] = "default:sand";
		old_to_new["CONTENT_COBBLE"] = "default:cobble";
		old_to_new["CONTENT_STEEL"] = "default:steel";
		old_to_new["CONTENT_GLASS"] = "default:glass";
		old_to_new["CONTENT_MOSSYCOBBLE"] = "default:mossycobble";
		old_to_new["CONTENT_GRAVEL"] = "default:gravel";
		old_to_new["CONTENT_SANDSTONE"] = "default:sandstone";
		old_to_new["CONTENT_CACTUS"] = "default:cactus";
		old_to_new["CONTENT_BRICK"] = "default:brick";
		old_to_new["CONTENT_CLAY"] = "default:clay";
		old_to_new["CONTENT_PAPYRUS"] = "default:papyrus";
		old_to_new["CONTENT_BOOKSHELF"] = "default:bookshelf";
		old_to_new["CONTENT_JUNGLETREE"] = "default:jungletree";
		old_to_new["CONTENT_JUNGLEGRASS"] = "default:junglegrass";
		old_to_new["CONTENT_NC"] = "default:nyancat";
		old_to_new["CONTENT_NC_RB"] = "default:nyancat_rainbow";
		old_to_new["CONTENT_APPLE"] = "default:apple";
		old_to_new["CONTENT_SAPLING"] = "default:sapling";
		// Just in case
		old_to_new["CONTENT_IGNORE"] = "ignore";
		old_to_new["CONTENT_AIR"] = "air";
	}
	std::string get(const std::string &old)
	{
		std::map<std::string, std::string>::const_iterator i;
		i = old_to_new.find(old);
		if(i == old_to_new.end())
			return "";
		return i->second;
	}
private:
	std::map<std::string, std::string> old_to_new;
};

NewNameGetter newnamegetter;

std::string content_mapnode_get_new_name(const std::string &oldname)
{
	return newnamegetter.get(oldname);
}

content_t legacy_get_id(const std::string &oldname, INodeDefManager *ndef)
{
	std::string newname = content_mapnode_get_new_name(oldname);
	if(newname == "")
		return CONTENT_IGNORE;
	content_t id;
	bool found = ndef->getId(newname, id);
	if(!found)
		return CONTENT_IGNORE;
	return id;
}