added fs_player_offers_item.lua

fs_player_offers_item.lua

@@ -0,0 +1,58 @@
+-- the player wants to give an item (not a specific one; just any item) to the NPC
+yl_speak_up.get_fs_player_offers_item = function(player, param)
+	local pname = player:get_player_name()
+	local dialog = yl_speak_up.speak_to[pname].dialog
+	return "size[8.5,8]"..
+		"list[current_player;main;0.2,3.85;8,1;]"..
+		"list[current_player;main;0.2,5.08;8,3;8]"..
+		"button[0.2,0.0;2.0,0.9;back_to_talk;Back to talk]"..
+		"button[4.75,1.6;1.5,0.9;finished_action;Give]"..
+
+		"tooltip[back_to_talk;Click here if you're finished with giving\n"..
+			"items to the NPC.]"..
+		"tooltip[finished_action;Click here once you have placed the item in\n"..
+			"the waiting slot.]"..
+		"label[1.5,0.7;What do you want to give to "..
+			minetest.formspec_escape(dialog.n_npc or "- ? -").."?]"..
+		-- the npc_wants inventory slot can be used here as well
+		"list[detached:yl_speak_up_player_"..pname..";npc_wants;3.25,1.5;1,1;]" ..
+		"label[1.5,2.7;Insert the item here and click on \"Give\" to proceed.]"
+end
+
+
+yl_speak_up.input_player_offers_item = function(player, formname, fields)
+	-- back from error_msg? then show the formspec again
+	if(fields.back_from_error_msg) then
+		yl_speak_up.show_fs(player, "player_offers_item", nil)
+		return
+	end
+	local pname = player:get_player_name()
+	local trade_inv = minetest.get_inventory({type="detached", name="yl_speak_up_player_"..pname})
+	local error_msg = "Please insert the item for the npc and click on \"Give\"!\n"..
+			  "If you don't want to give anything, click on \"Back to talk\".]"
+	-- is the npc_wants inv empty and the player pressed the back to talk button?
+	if(trade_inv:is_empty("npc_wants") and fields.back_to_talk) then
+		local n_id = yl_speak_up.speak_to[pname].n_id
+		local show_dialog = yl_speak_up.speak_to[pname].d_id
+		-- show the start dialog again
+		yl_speak_up.show_fs(player, "talk", {n_id = n_id, d_id = show_dialog})
+		return
+	elseif(fields.back_to_talk) then
+		error_msg = "Please take your item back first!"
+		-- reset the dialog (the accepting of items happens in the very first dialog)
+		yl_speak_up.speak_to[pname].d_id = nil
+	-- so far so good: -- the player tried to give something;
+	-- go to the dialog where all given items are checked
+	elseif(not(trade_inv:is_empty("npc_wants"))) then
+		local n_id = yl_speak_up.speak_to[pname].n_id
+		yl_speak_up.show_fs(player, "talk", {n_id = n_id, d_id = "d_got_item"})
+		return
+	end
+	-- show a message to the player
+	yl_speak_up.show_fs(player, "msg", {
+		input_to = "yl_speak_up:player_offers_item",
+		formspec = "size[8,1.5]"..
+			"label[0.2,-0.2;"..
+			error_msg.."]"..
+			"button[2,1.0;1.5,0.9;back_from_error_msg;Back]"})
+end