Added work for "go to me" rune

- Added mana dicreaser on on_punch calls (cube only :s)
 - Added is_owner handler
 - Moved a texture name to the good name
 - Added values in needed_mana for go_to_me rune

mods/runes/api.lua

@@ -52,7 +52,12 @@ runes.functions.register_rune = function(parameters)
 			end,
 			on_punch = function(pos, node, puncher, pointed_thing)
 				if runes.datas.handlers[runedef.name].on_punch then
+					if mana.get(puncher:get_player_name()) >= runedef.needed_mana then
 						runes.datas.handlers[runedef.name].on_punch(pos, node, puncher, pointed_thing)
+						mana.subtract(puncher:get_player_name(),runedef.needed_mana)
+					else
+						minetest.chat_send_player(puncher:get_player_name(),"Not enough mana (needed : " .. runedef.needed_mana ..")")
+					end
 				end
 			end,
 			--[[after_dig_node = function(pos, oldnode, oldmetadata, digger)

mods/runes/handlers.lua

@@ -39,13 +39,25 @@ is_owner_online = function(pos)
 	if meta:get_string("owner") ~= nil then
 		return minetest.get_player_by_name(meta:get_string("owner")) ~= nil
 	else
-		return true
+		return false
+	end
+end
+
+is_owner = function(pos, player)
+	local meta = minetest.get_meta(pos)
+	if meta:get_string("owner") ~= nil and player:get_player_name() then
+		return meta:get_string("owner") == player:get_player_name()
+	else
+		return false
 	end
 end
 
 go_to_me = function(pos, node, digger)
-	if digger then
+	if digger and is_owner_online(pos) and not (minetest.get_meta(pos):get_string("owner") == digger:get_player_name()) then
 		digger:setpos(minetest.get_player_by_name(minetest.get_meta(pos):get_string("owner")):getpos())
+		mana.subtract(minetest.get_meta(pos):get_string("owner"), 5)
+	else
+		mana.add(digger:get_player_name(),50)
 	end
 end
 
@@ -75,9 +87,8 @@ end
 runes.functions.connect("project","use",projection)
 runes.functions.connect("damager","use",damage_around)
 runes.functions.connect("earthquake","use",earthquake)
-runes.functions.connect("gotome","place",add_owner)
-runes.functions.connect("gotome","dig",go_to_me)
-runes.functions.connect("gotome","can_dig",is_owner_online)
+runes.functions.connect("gotome","punch",go_to_me)
+runes.functions.connect("gotome","can_dig",is_owner)
 runes.functions.connect("megamana","use",set_manamax)
 
 -- And globalsteps

mods/runes/registration.lua

@@ -3,41 +3,42 @@
 runes.datas.items = {
 	["project"] = {
 		description = "Projection rune",
-		img = "default_dirt.png",
+		img = "runes_projection.png",
 		type = "craftitem",
 		needed_mana = 30
 	},
 	["damager"] = {
 		description = "Damaging rune",
-		img = "default_lava.png",
+		img = "runes_damaging.png",
 		type = "craftitem",
 		needed_mana = 190
 	},
 	["earthquake"] = {
 		description = "Earth Quake rune",
-		img = "default_apple.png",
+		img = "runes_earthquake.png",
 		type = "craftitem",
 		needed_mana = 80
 	},
 	["simple_heal"] = {
 		description = "Simple healing rune",
-		img = "default_water.png",
+		img = "runes_simple_heal.png",
 		type = "cube"
 	},
 	["improved_heal"] = {
 		description = "Improved healing rune",
-		img = "default_acid.png",
+		img = "runes_improved_heal.png",
 		type = "cube"
 	},
 	["perfect_heal"] = {
 		description = "Perfect healing rune",
-		img = "default_lava.png",
+		img = "runes_perfect_heal.png",
 		type = "cube"
 	},
 	["gotome"] = {
 		description = "Go to me rune",
-		img = "default_wood.png",
-		type = "cube"
+		img = "runes_go_to_me.png",
+		type = "cube",
+		needed_mana = 50
 	},
 	["megamana"] = {
 		description = "Mega Mana",