Fix bug in marriage check for receiving gifts

chat.lua

@@ -24,7 +24,27 @@
 --  	chatline2 = { text = "Q2", options = nil }
 --  }
 
-local options = {"Question 1","Question 2","Question 3","Question 4"}
+local options = {"Question 1","Question 2","Question 3","Question 4"} 
+
+npc.dialogue = {}
+
+npc.dialogue.YES_GIFT_ANSWER_LABEL = "Yes, give wielded item"
+npc.dialogue.NO_GIFT_ANSWER_LAEBL = "Nevermind"
+
+-- Yes/No dialogue declaration
+npc.dialogue.gift_dialogue = smartfs.create("advanced_npc:gift_dialogue", function(state)
+	state:size(7, 2.4)
+	state:button(0.5, 0.7, 6, 0.5, "yes_option", npc.dialogue.YES_GIFT_ANSWER_LABEL)
+	state:button(0.5, 1.4, 6, 0.5, "no_option", npc.dialogue.NO_GIFT_ANSWER_LAEBL, true) 
+
+	local dialogue_result
+	state:get("yes_option"):click(function(self, state)
+		dialogue_result = true
+	end)
+	state:get("no_option"):click(function(self, state)
+		dialogue_result = false
+	end)
+end)
 
 ---------------------------------------------------------------------
 -- Creates a formspec for dialog
@@ -45,13 +65,16 @@ local function create_formspec(options, close_option)
 end
 
 -- New function for getting dialogue formspec
-local l = smartfs.create("smartfs:load", function(state)
-	state:load(minetest.get_modpath("smartfs").."/docs/example.smartfs")
-	state:get("btn"):click(function(self,state)
-		print("Button clicked!")
-	end)
-	return true
-end)
+function npc.dialogue.show_yes_no_dialogue(prompt, player_name)
+	local dialogue_form = npc.dialogue.gift_dialogue
+
+	-- Send prompt message to player
+	minetest.chat_send_player(player_name, prompt)
+
+	dialogue_form:show(player_name)
+
+	return dialogue_result
+end
 
 ---------------------------------------------------------------------
 -- Returns all chatlines for a specific NPC

init.lua

@@ -2,7 +2,7 @@
 local path = minetest.get_modpath("advanced_npc")
 
 -- Load SmartFS library by rubenwardy
-dofile(path .. "lib/smartfs.lua")
+dofile(path .. "/lib/smartfs.lua")
 
 -- Intllib
 local S

npc.lua

@@ -124,7 +124,7 @@ mobs.npc_drops = {
 
 -- General functions
 -- Gets name of player or NPC
-local function get_entity_name(entity)
+function npc.get_entity_name(entity)
   if entity:is_player() then
     return entity:get_player_name()
   else
@@ -314,8 +314,9 @@ end
 local function check_npc_can_receive_gift(self, clicker_name)
   for i = 1, #self.relationships do
     if self.relationships[i].name == clicker_name then
-      -- This checks avoid married NPC to receive from others
-      if clicker_name == self.is_married_to then
+      -- Checks avoid married NPC to receive from others
+      if self.is_married_to == nil 
+        or (self.is_married ~= nil and self.is_married_to == clicker_name) then 
         return self.relationships[i].gift_timer_value >= self.relationships[i].gift_interval
       else
         return false
@@ -381,7 +382,7 @@ local function receive_gift(self, clicker)
   if item:get_name() == "" then return false end
   
   -- Get clicker name
-  local clicker_name = get_entity_name(clicker)
+  local clicker_name = npc.get_entity_name(clicker)
   
   -- Create relationship if it doesn't exists
   if check_relationship_exists(self, clicker_name) == false then
@@ -517,7 +518,7 @@ end
 -- Chat functions
 
 local function start_chat(self, clicker)
-  local name = get_entity_name(clicker)
+  local name = npc.get_entity_name(clicker)
   -- Married player can tell NPC to follow or to stay at a given place
   -- TODO: Improve this. There should be a dialogue box for this
   if self.owner and self.owner == name then
@@ -600,6 +601,11 @@ mobs:register_mob("advanced_npc:npc", {
     
     -- Receive gift or start chat
     if self.can_have_relationship then
+      -- Show dialogue to confirm that player is giving item as gift
+      -- local result = npc.dialogue.show_yes_no_dialogue(
+      --   "Do you want to give your currently wielded item to "..self.nametag.."?",
+      --   name)
+      -- minetest.log("Dialogue outcome: "..dump(result))
       if receive_gift(self, clicker) == false then
           start_chat(self, clicker)
       end
@@ -615,8 +621,8 @@ mobs:register_mob("advanced_npc:npc", {
       -- Gift timer check
       if relationship.gift_timer_value < relationship.gift_interval then
         relationship.gift_timer_value = relationship.gift_timer_value + dtime
-      -- Relationship decrease timer
       else
+        -- Relationship decrease timer
         if relationship.relationship_decrease_timer_value 
             < relationship.relationship_decrease_interval then
           relationship.relationship_decrease_timer_value =