say in own library

src/lib/macOS_say.lua

@@ -0,0 +1,36 @@
+local log = require "lib.log"
+local utility = require "lib.utility"
+
+local voices = utility.load_data("macos_say-en.json")
+
+local say_thread = love.thread.newThread([[
+  local channel = love.thread.getChannel("say")
+  while true do
+    local message = channel:demand()
+    if message then
+      os.execute("say -v " .. message.voice .. " " .. message.line)
+    end
+  end
+]])
+say_thread:start()
+
+return setmetatable({
+  update = function()
+    local thread_error = say_thread:getError()
+    if thread_error then
+      log("error", thread_error)
+    end
+  end,
+}, {
+  __call = function(self, line)
+    local selected_voice = voices[math.random(1, #voices)]
+
+    local say_channel = love.thread.getChannel("say")
+    line = line or "Hello, my name is " .. selected_voice .. "."
+    say_channel:push({
+      voice = selected_voice:enquote(),
+      line = line:enquote(),
+    })
+    log("say", selected_voice, line)
+  end,
+})

src/main.lua

@@ -2,6 +2,7 @@ local window_width, window_height = love.graphics.getDimensions()
 
 local log = require "lib.log"
 local lovebird = require "lib.lovebird"
+local macOS_say = require "lib.macOS_say"
 local progress_bar = require "lib.progress_bar"
 local timer = require "lib.timer"
 local utility = require "lib.utility"
@@ -18,31 +19,6 @@ local constants = require "data.constants"
 local classes = require "data.classes"
 local races = require "data.races"
 
-local voices = utility.load_data("macos_say-en.json")
-local macOS_say = function(line)
-  local selected_voice = voices[math.random(1, #voices)]
-
-  local say_channel = love.thread.getChannel("say")
-  line = line or "Hello, my name is " .. selected_voice .. "."
-  say_channel:push({
-    voice = selected_voice:enquote(),
-    line = line:enquote(),
-  })
-  log("say", selected_voice, line)
-end
--- macOS_say()
-
-local say_thread = love.thread.newThread([[
-  local channel = love.thread.getChannel("say")
-  while true do
-    local message = channel:demand()
-    if message then
-      os.execute("say -v " .. message.voice .. " " .. message.line)
-    end
-  end
-]])
-say_thread:start()
-
 local new_character = function(name)
   local base_stat_roll = function()
     return 3 + math.random(1, 6) + math.random(1, 6) + math.random(1, 6)
@@ -67,7 +43,7 @@ local new_character = function(name)
 
   name = name or random_name(math.random(3, 9)) -- name not affected by seed
 
-  local seed = os.time()
+  local seed = math.random()
   math.randomseed(seed)
 
   local character = {
@@ -87,7 +63,6 @@ local new_character = function(name)
   character.health = math.random(1, 8) + math.floor(character.constitution / 6)
   character.magic = math.random(1, 8) + math.floor(character.intelligence / 6)
 
-  math.randomseed(os.time())
   return character
 end
 
@@ -131,10 +106,7 @@ love.update = function(dt)
 
   test_bar:set_progress(test_timer.run_time / test_timer:get_interval())
 
-  local thread_error = say_thread:getError()
+  macOS_say:update()
-  if thread_error then
-    log("error", thread_error)
-  end
 end
 
 love.draw = function()