Add mule, document api additions

mods/ENTITIES/mcl_entity_invs/api.txt

@@ -5,7 +5,9 @@ Inventories for your entities. It's simple. Depend on mcl_entity_invs and regist
 
 * mcl_entity_invs.register_inv("entity:name","Title shown in formspec",inventory_size,disable_on_righclick)
 	*If disable_on_righclick is true other mods can handle when to show the inventory themselves
+	* The inventory size can be set dynamically by initializing it with an explicit nil
 
-* mcl_entity_invs.show_inv_form(entity,clicker,"Title shown in formspec")
+* mcl_entity_invs.show_inv_form(entity,clicker,[formspec text])
+	* formspec_text is an additional text that is put after the title
 
 It works by setting up a detached inventory per entity which is accessed by an id/hash generated from the entities position at creation, the progressed gametime at creation and a random salt.

mods/ENTITIES/mcl_entity_invs/init.lua

@@ -46,11 +46,12 @@ local function save_inv(ent)
 	end
 end
 
-function mcl_entity_invs.show_inv_form(ent,player,show_name)
+function mcl_entity_invs.show_inv_form(ent,player,text)
 	if not ent._inv_id then return end
 	if not open_invs[ent] then
 		open_invs[ent] = 0
 	end
+	text = text or ""
 	ent._inv = load_inv(ent,ent._inv_size)
 	open_invs[ent] = open_invs[ent] + 1
 	local playername = player:get_player_name()
@@ -59,7 +60,7 @@ function mcl_entity_invs.show_inv_form(ent,player,show_name)
 	local spacing = (9 - cols) / 2
 	local formspec = "size[9,8.75]"
 	.. "label[0,0;" .. minetest.formspec_escape(
-			minetest.colorize("#313131", show_name)) .. "]"
+			minetest.colorize("#313131", ent._inv_title .. " ".. text)) .. "]"
 	.. "list[detached:"..ent._inv_id..";main;"..spacing..",0.5;"..cols..","..rows..";]"
 	.. mcl_formspec.get_itemslot_bg(spacing,0.5,cols,rows)
 	.. "label[0,4.0;" .. minetest.formspec_escape(
@@ -103,6 +104,7 @@ end)
 function mcl_entity_invs.register_inv(entity_name,show_name,size,no_on_righclick)
 	assert(minetest.registered_entities[entity_name],"mcl_entity_invs.register_inv called with invalid entity: "..tostring(entity_name))
 	minetest.registered_entities[entity_name]._inv_size = size
+	minetest.registered_entities[entity_name]._inv_title = show_name
 
 	local old_oa = minetest.registered_entities[entity_name].on_activate
 	minetest.registered_entities[entity_name].on_activate  = function(self,staticdata,dtime_s)

mods/ENTITIES/mobs_mc/horse.lua

@@ -251,8 +251,9 @@ local horse = {
 				self.base_texture = tex
 				self.object:set_properties({textures = self.base_texture})
 				table.insert(self.drops,{name = "mcl_chests:chest",chance=1,min=1,max=1})
+				return
 			elseif self._chest and clicker:get_player_control().sneak then
-				mcl_entity_invs.show_inv_form(self,clicker,"Donkey")
+				mcl_entity_invs.show_inv_form(self,clicker)
 				return
 			end
 		end
@@ -558,6 +559,7 @@ mule.collisionbox = {
 	horse.collisionbox[6] * m,
 }
 mcl_mobs:register_mob("mobs_mc:mule", mule)
+mcl_entity_invs.register_inv("mobs_mc:mule","Mule",15,true)
 
 --===========================
 --Spawn Function

mods/ENTITIES/mobs_mc/llama.lua

@@ -136,16 +136,16 @@ mcl_mobs:register_mob("mobs_mc:llama", {
 				textures = self.base_texture,
 			})
 			table.insert(self.drops,{name = "mcl_chests:chest",chance=1,min=1,max=1})
+			return
+		elseif self._has_chest and clicker:get_player_control().sneak then
+			mcl_entity_invs.show_inv_form(self,clicker," - Strength "..math.floor(self._inv_size / 3))
+			return
 		else
 			-- Feed with anything else
 			if mcl_mobs:feed_tame(self, clicker, 1, false, true) then return end
 		end
 		if mcl_mobs:protect(self, clicker) then return end
 
-		if self._has_chest and clicker:get_player_control().sneak then
-			mcl_entity_invs.show_inv_form(self,clicker,"Llama - Strength "..math.floor(self._inv_size / 3))
-			return
-		end
 		-- Make sure tamed llama is mature and being clicked by owner only
 		if self.tamed and not self.child and self.owner == clicker:get_player_name() then
 			-- Place carpet