Remove deprecated code segments (#5891)

8 files changed, 34 insertions, 416 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6963d0306..ba531cb64 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -371,7 +371,6 @@ set(common_SRCS
 	clientiface.cpp
 	collision.cpp
 	content_abm.cpp
-	content_mapnode.cpp
 	content_nodemeta.cpp
 	content_sao.cpp
 	convert_json.cpp
diff --git a/src/content_mapnode.cpp b/src/content_mapnode.cpp
deleted file mode 100644
index a6bf0a82d..000000000
--- a/src/content_mapnode.cpp
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
-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 "util/string.h"
-
-/*
-	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");
-}
-
diff --git a/src/content_mapnode.h b/src/content_mapnode.h
deleted file mode 100644
index 9fa4e6d13..000000000
--- a/src/content_mapnode.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
-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.
-*/
-
-#ifndef CONTENT_MAPNODE_HEADER
-#define CONTENT_MAPNODE_HEADER
-
-#include "mapnode.h"
-
-/*
-	Legacy node definitions
-*/
-
-// Backwards compatibility for non-extended content types in v19
-extern content_t trans_table_19[21][2];
-MapNode mapnode_translate_to_internal(MapNode n_from, u8 version);
-
-// Get legacy node name mapping for loading old blocks
-class NameIdMapping;
-void content_mapnode_get_name_id_mapping(NameIdMapping *nimap);
-
-#endif
diff --git a/src/inventory.cpp b/src/inventory.cpp
index 8617f7263..b4d1b4dd9 100644
--- a/src/inventory.cpp
+++ b/src/inventory.cpp
@@ -24,8 +24,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "log.h"
 #include "itemdef.h"
 #include "util/strfnd.h"
-#include "content_mapnode.h" // For loading legacy MaterialItems
-#include "nameidmapping.h" // For loading legacy MaterialItems
 #include "util/serialize.h"
 #include "util/string.h"
 
@@ -33,18 +31,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	ItemStack
 */
 
-static content_t content_translate_from_19_to_internal(content_t c_from)
-{
-	for(u32 i=0; i<sizeof(trans_table_19)/sizeof(trans_table_19[0]); i++)
-	{
-		if(trans_table_19[i][1] == c_from)
-		{
-			return trans_table_19[i][0];
-		}
-	}
-	return c_from;
-}
-
 ItemStack::ItemStack(const std::string &name_, u16 count_,
 		u16 wear_, IItemDefManager *itemdef) :
 	name(itemdef->getAlias(name_)),
@@ -99,140 +85,35 @@ void ItemStack::deSerialize(std::istream &is, IItemDefManager *itemdef)
 	if(!tmp.empty())
 		throw SerializationError("Unexpected text after item name");
 
-	if(name == "MaterialItem")
-	{
-		// Obsoleted on 2011-07-30
-
-		u16 material;
-		is>>material;
-		u16 materialcount;
-		is>>materialcount;
-		// Convert old materials
-		if(material <= 0xff)
-			material = content_translate_from_19_to_internal(material);
-		if(material > 0xfff)
-			throw SerializationError("Too large material number");
-		// Convert old id to name
-		NameIdMapping legacy_nimap;
-		content_mapnode_get_name_id_mapping(&legacy_nimap);
-		legacy_nimap.getName(material, name);
-		if(name == "")
-			name = "unknown_block";
-		if (itemdef)
-			name = itemdef->getAlias(name);
-		count = materialcount;
-	}
-	else if(name == "MaterialItem2")
-	{
-		// Obsoleted on 2011-11-16
-
-		u16 material;
-		is>>material;
-		u16 materialcount;
-		is>>materialcount;
-		if(material > 0xfff)
-			throw SerializationError("Too large material number");
-		// Convert old id to name
-		NameIdMapping legacy_nimap;
-		content_mapnode_get_name_id_mapping(&legacy_nimap);
-		legacy_nimap.getName(material, name);
-		if(name == "")
-			name = "unknown_block";
-		if (itemdef)
-			name = itemdef->getAlias(name);
-		count = materialcount;
-	}
-	else if(name == "node" || name == "NodeItem" || name == "MaterialItem3"
-			|| name == "craft" || name == "CraftItem")
-	{
-		// Obsoleted on 2012-01-07
-
-		std::string all;
-		std::getline(is, all, '\n');
-		// First attempt to read inside ""
-		Strfnd fnd(all);
-		fnd.next("\"");
-		// If didn't skip to end, we have ""s
-		if(!fnd.at_end()){
-			name = fnd.next("\"");
-		} else { // No luck, just read a word then
-			fnd.start(all);
-			name = fnd.next(" ");
-		}
-		fnd.skip_over(" ");
-		if (itemdef)
-			name = itemdef->getAlias(name);
-		count = stoi(trim(fnd.next("")));
-		if(count == 0)
-			count = 1;
-	}
-	else if(name == "MBOItem")
-	{
-		// Obsoleted on 2011-10-14
-		throw SerializationError("MBOItem not supported anymore");
-	}
-	else if(name == "tool" || name == "ToolItem")
-	{
-		// Obsoleted on 2012-01-07
+	do { // This loop is just to allow "break;"
+		// The real thing
 
-		std::string all;
-		std::getline(is, all, '\n');
-		// First attempt to read inside ""
-		Strfnd fnd(all);
-		fnd.next("\"");
-		// If didn't skip to end, we have ""s
-		if(!fnd.at_end()){
-			name = fnd.next("\"");
-		} else { // No luck, just read a word then
-			fnd.start(all);
-			name = fnd.next(" ");
-		}
-		count = 1;
-		// Then read wear
-		fnd.skip_over(" ");
+		// Apply item aliases
 		if (itemdef)
 			name = itemdef->getAlias(name);
-		wear = stoi(trim(fnd.next("")));
-	}
-	else
-	{
-		do  // This loop is just to allow "break;"
-		{
-			// The real thing
-
-			// Apply item aliases
-			if (itemdef)
-				name = itemdef->getAlias(name);
-
-			// Read the count
-			std::string count_str;
-			std::getline(is, count_str, ' ');
-			if(count_str.empty())
-			{
-				count = 1;
-				break;
-			}
-			else
-				count = stoi(count_str);
 
-			// Read the wear
-			std::string wear_str;
-			std::getline(is, wear_str, ' ');
-			if(wear_str.empty())
-				break;
-			else
-				wear = stoi(wear_str);
+		// Read the count
+		std::string count_str;
+		std::getline(is, count_str, ' ');
+		if (count_str.empty()) {
+			count = 1;
+			break;
+		} else {
+			count = stoi(count_str);
+		}
 
-			// Read metadata
-			metadata.deSerialize(is);
+		// Read the wear
+		std::string wear_str;
+		std::getline(is, wear_str, ' ');
+		if (wear_str.empty())
+			break;
+		else
+			wear = stoi(wear_str);
 
-			// In case fields are added after metadata, skip space here:
-			//std::getline(is, tmp, ' ');
-			//if(!tmp.empty())
-			//	throw SerializationError("Unexpected text after metadata");
+		// Read metadata
+		metadata.deSerialize(is);
 
-		} while(false);
-	}
+	} while(false);
 
 	if (name.empty() || count == 0)
 		clear();
diff --git a/src/mapblock.cpp b/src/mapblock.cpp
index ec10a49bb..07912b9a2 100644
--- a/src/mapblock.cpp
+++ b/src/mapblock.cpp
@@ -27,7 +27,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "gamedef.h"
 #include "log.h"
 #include "nameidmapping.h"
-#include "content_mapnode.h" // For legacy name-id mapping
 #include "content_nodemeta.h" // For legacy deserialization
 #include "serialization.h"
 #ifndef SERVER
@@ -931,12 +930,7 @@ void MapBlock::deSerialize_pre22(std::istream &is, u8 version, bool disk)
 		// Dynamically re-set ids based on node names
 		NameIdMapping nimap;
 		// If supported, read node definition id mapping
-		if (version >= 21) {
-			nimap.deSerialize(is);
-		// Else set the legacy mapping
-		} else {
-			content_mapnode_get_name_id_mapping(&nimap);
-		}
+		nimap.deSerialize(is);
 		correctBlockNodeIds(&nimap, data, m_gamedef);
 	}
 
diff --git a/src/mapnode.cpp b/src/mapnode.cpp
index d835daba2..cae3d0b14 100644
--- a/src/mapnode.cpp
+++ b/src/mapnode.cpp
@@ -22,7 +22,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "porting.h"
 #include "nodedef.h"
 #include "map.h"
-#include "content_mapnode.h" // For mapnode_translate_*_internal
 #include "serialization.h" // For ser_ver_supported
 #include "util/serialize.h"
 #include "log.h"
@@ -631,25 +630,19 @@ void MapNode::serialize(u8 *dest, u8 version)
 }
 void MapNode::deSerialize(u8 *source, u8 version)
 {
-	if(!ser_ver_supported(version))
+	if (!ser_ver_supported(version))
 		throw VersionMismatchException("ERROR: MapNode format not supported");
 
-	if(version <= 21)
-	{
-		deSerialize_pre22(source, version);
-		return;
-	}
-
-	if(version >= 24){
-		param0 = readU16(source+0);
-		param1 = readU8(source+2);
-		param2 = readU8(source+3);
-	}else{
-		param0 = readU8(source+0);
-		param1 = readU8(source+1);
-		param2 = readU8(source+2);
-		if(param0 > 0x7F){
-			param0 |= ((param2&0xF0)<<4);
+	if (version >= 24) {
+		param0 = readU16(source + 0);
+		param1 = readU8(source + 2);
+		param2 = readU8(source + 3);
+	} else {
+		param0 = readU8(source + 0);
+		param1 = readU8(source + 1);
+		param2 = readU8(source + 2);
+		if (param0 > 0x7F) {
+			param0 |= ((param2 & 0xF0) << 4);
 			param2 &= 0x0F;
 		}
 	}
@@ -771,44 +764,3 @@ void MapNode::deSerializeBulk(std::istream &is, int version,
 	}
 }
 
-/*
-	Legacy serialization
-*/
-void MapNode::deSerialize_pre22(u8 *source, u8 version)
-{
-	if(version <= 1)
-	{
-		param0 = source[0];
-	}
-	else if(version <= 9)
-	{
-		param0 = source[0];
-		param1 = source[1];
-	}
-	else
-	{
-		param0 = source[0];
-		param1 = source[1];
-		param2 = source[2];
-		if(param0 > 0x7f){
-			param0 <<= 4;
-			param0 |= (param2&0xf0)>>4;
-			param2 &= 0x0f;
-		}
-	}
-
-	// Convert special values from old version to new
-	if(version <= 19)
-	{
-		// In these versions, CONTENT_IGNORE and CONTENT_AIR
-		// are 255 and 254
-		// Version 19 is fucked up with sometimes the old values and sometimes not
-		if(param0 == 255)
-			param0 = CONTENT_IGNORE;
-		else if(param0 == 254)
-			param0 = CONTENT_AIR;
-	}
-
-	// Translate to our known version
-	*this = mapnode_translate_to_internal(*this, version);
-}
diff --git a/src/server.cpp b/src/server.cpp
index b2fdecfa9..46176c667 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -45,7 +45,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "emerge.h"
 #include "mapgen.h"
 #include "mg_biome.h"
-#include "content_mapnode.h"
 #include "content_nodemeta.h"
 #include "content_abm.h"
 #include "content_sao.h"
diff --git a/src/unittest/test_mapnode.cpp b/src/unittest/test_mapnode.cpp
index 70e7d42cf..145d16465 100644
--- a/src/unittest/test_mapnode.cpp
+++ b/src/unittest/test_mapnode.cpp
@@ -21,7 +21,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "gamedef.h"
 #include "nodedef.h"
-#include "content_mapnode.h"
 
 class TestMapNode : public TestBase
 {