stored input from text_input action in yl_speak_up.last_text_input[pname] and added function to examine that input as precondition of type evaluate

custom_functions_you_can_override.lua

@@ -228,6 +228,30 @@ yl_speak_up.custom_functions_p_[ "compare_variable_against_variable" ] = {
 }
 
 
+yl_speak_up.custom_functions_p_[ "text_contained_these_words" ] = {
+	description = "Check if what the player entered in the last text_input action contains\n"..
+		"all these words here.",
+	param1_text = "List (seperated by space) of words:",
+	param1_desc = "The text the player entered during the last text_input action is examined.\n"..
+		"If it contains all the words you enter here, then this function here will return true.\n"..
+		"Note: All input will be converted to lower case. Word order does not matter.",
+	code = function(player, n_id, p)
+		local pname = player:get_player_name()
+		if(not(yl_speak_up.last_text_input[pname])) then
+			return false
+		end
+		local input_words = string.split(string.lower(yl_speak_up.last_text_input[pname]), " ")
+		local word_list = string.split(string.lower(p["p_param1"] or ""), " ")
+		for i, word in ipairs(word_list) do
+			if(table.indexof(input_words, word) == -1) then
+				return -1
+			end
+		end
+		return true
+	end,
+}
+
+
 -----------------------------------------------------------------------------
 --  Custom actions (of type "evaluate")
 -----------------------------------------------------------------------------

exec_actions.lua

@@ -685,6 +685,8 @@ yl_speak_up.input_fs_action_text_input = function(player, formname, fields)
 				" "..tostring(yl_speak_up.speak_to[pname].d_id)..
 				": Answer is correct.")
 		end
+		-- store what the player entered so that it can be examined by other functions
+		yl_speak_up.last_text_input[pname] = fields.quest_answer:trim()
 		-- the action was a either a success or failure
 		yl_speak_up.execute_next_action(player, a_id, success)
 		return

functions.lua

@@ -27,10 +27,13 @@ yl_speak_up.npc_owner = {}
 -- store the current trade between player and npc in case it gets edited in the meantime
 yl_speak_up.trade = {}
 
+-- store what the player last entered in an text_input action
+yl_speak_up.last_text_input = {}
 
 yl_speak_up.reset_vars_for_player = function(pname, reset_fs_version)
 	yl_speak_up.speak_to[pname] = nil
 	yl_speak_up.edit_mode[pname] = nil
+	yl_speak_up.last_text_input[pname] = nil
 	-- when just stopping editing: don't reset the fs_version
 	if(reset_fs_version) then
 		yl_speak_up.fs_version[pname] = nil