From 69b3e19c1bd46aca6b80d0ad05662bc6f6dc9242 Mon Sep 17 00:00:00 2001
From: Wuzzy <Wuzzy2@mail.ru>
Date: Wed, 30 May 2018 11:34:17 +0200
Subject: [PATCH] Name tags now name all mobs (except ender dragon)

---
 mods/ENTITIES/mobs/api.lua             | 63 ++++++++++++++++----------
 mods/ENTITIES/mobs/api.txt             |  5 ++
 mods/ENTITIES/mobs/crafts.lua          |  4 +-
 mods/ENTITIES/mobs_mc/ender_dragon.lua |  2 +
 4 files changed, 49 insertions(+), 25 deletions(-)

diff --git a/mods/ENTITIES/mobs/api.lua b/mods/ENTITIES/mobs/api.lua
index 708e10c00c..d126c0db18 100644
--- a/mods/ENTITIES/mobs/api.lua
+++ b/mods/ENTITIES/mobs/api.lua
@@ -2958,6 +2958,42 @@ end
 
 mobs.spawning_mobs = {}
 
+-- Code to execute before custom on_rightclick handling
+local on_rightclick_prefix = function(self, clicker)
+	local item = clicker:get_wielded_item()
+
+	-- Name mob with nametag
+	if not self.ignores_nametag and item:get_name() == "mobs:nametag" then
+
+		local tag = item:get_meta():get_string("name")
+		if tag ~= "" then
+			if string.len(tag) > MAX_MOB_NAME_LENGTH then
+				tag = string.sub(tag, 1, MAX_MOB_NAME_LENGTH)
+			end
+			self.nametag = tag
+
+			update_tag(self)
+
+			if not mobs.is_creative(name) then
+				item:take_item()
+				player:set_wielded_item(item)
+			end
+			return true
+		end
+
+	end
+	return false
+end
+
+local create_mob_on_rightclick = function(on_rightclick)
+	return function(self, clicker)
+		local stop = on_rightclick_prefix(self, clicker)
+		if (not stop) and (on_rightclick) then
+			on_rightclick(self, clicker)
+		end
+	end
+end
+
 -- register mob entity
 function mobs:register_mob(name, def)
 
@@ -3000,7 +3036,7 @@ minetest.register_entity(name, {
 	fall_speed = def.fall_speed or -10, -- must be lower than -2 (default: -10)
 	drops = def.drops or {},
 	armor = def.armor or 100,
-	on_rightclick = def.on_rightclick,
+	on_rightclick = create_mob_on_rightclick(def.on_rightclick),
 	arrow = def.arrow,
 	shoot_interval = def.shoot_interval,
 	sounds = def.sounds or {},
@@ -3059,6 +3095,9 @@ minetest.register_entity(name, {
 	facing_fence = false,
 	_cmi_is_mob = true,
 
+	-- MCL2 extensions
+	ignores_nametag = def.ignores_nametag or false,
+
 	on_spawn = def.on_spawn,
 
 	on_blast = def.on_blast or do_tnt,
@@ -3853,28 +3892,6 @@ function mobs:feed_tame(self, clicker, feed_count, breed, tame)
 		return true
 	end
 
-	local item = clicker:get_wielded_item()
-
-	-- Name mob with nametag
-	if item:get_name() == "mobs:nametag" then
-
-		local tag = item:get_meta():get_string("name")
-		if tag ~= "" then
-			if string.len(tag) > MAX_MOB_NAME_LENGTH then
-				tag = string.sub(tag, 1, MAX_MOB_NAME_LENGTH)
-			end
-			self.nametag = tag
-
-			update_tag(self)
-
-			if not mobs.is_creative(name) then
-				item:take_item()
-				player:set_wielded_item(item)
-			end
-		end
-
-	end
-
 	return false
 end
 
diff --git a/mods/ENTITIES/mobs/api.txt b/mods/ENTITIES/mobs/api.txt
index 324ae90a19..c2cd327319 100644
--- a/mods/ENTITIES/mobs/api.txt
+++ b/mods/ENTITIES/mobs/api.txt
@@ -205,6 +205,11 @@ functions needed for the mob to work properly which contains the following:
                      older mobs.
 
 
+    MineClone 2 extensions:
+
+      'ignores_nametag' if true, mob cannot be named by nametag
+
+
 Node Replacement
 ----------------
 
diff --git a/mods/ENTITIES/mobs/crafts.lua b/mods/ENTITIES/mobs/crafts.lua
index e3bcadce51..cb0c9da649 100644
--- a/mods/ENTITIES/mobs/crafts.lua
+++ b/mods/ENTITIES/mobs/crafts.lua
@@ -4,8 +4,8 @@ local S = mobs.intllib
 -- name tag
 minetest.register_craftitem("mobs:nametag", {
 	description = S("Name Tag"),
-	_doc_items_longdesc = S("A name tag is an item to name an animal."),
-	_doc_items_usagehelp = S("Before you use the name tag, you need to set a name at an anvil. Now you can use the name tag to name an animal with a rightclick. This uses up the name tag."),
+	_doc_items_longdesc = S("A name tag is an item to name a mob."),
+	_doc_items_usagehelp = S("Before you use the name tag, you need to set a name at an anvil. Now you can use the name tag to name a mob with a rightclick. This uses up the name tag."),
 	inventory_image = "mobs_nametag.png",
 	wield_image = "mobs_nametag.png",
 	stack_max = 64,
diff --git a/mods/ENTITIES/mobs_mc/ender_dragon.lua b/mods/ENTITIES/mobs_mc/ender_dragon.lua
index 552dffd572..183b078111 100644
--- a/mods/ENTITIES/mobs_mc/ender_dragon.lua
+++ b/mods/ENTITIES/mobs_mc/ender_dragon.lua
@@ -93,6 +93,8 @@ mobs:register_mob("mobs_mc:enderdragon", {
 		run_start = 0,		run_end = 20,
 	},
 	blood_amount = 0,
+
+	ignores_nametag = true,
 })