Add music manager

completion_tracker.lua

@@ -33,6 +33,15 @@ end
 function completion_tracker:advance_completion_level(clevel)
  dset(0,max(dget(0), clevel))
 end
+
+function completion_tracker:get_music_preference()
+ return dget(59)==0
+end
+function completion_tracker:set_music_preference()
+ if (dget(59)==0) dset(59,1) return
+ dset(59,0)
+end
+
 -- TODO: Bitfield instead
 function completion_tracker:mark_seen(text_id)
  local ix,bit=self:_unpack_text_id(text_id)

main.lua

@@ -2,7 +2,6 @@ main={}
 add(modules,main)
 
 function main:init()
- music(0)
  extcmd("rec")
  self.state_manager=state_manager:new()  -- instantiate one global
  self.state_manager:push(state_menu:new())

main.p8

@@ -14,6 +14,7 @@ __lua__
 #include layout.lua
 #include layout_hint.lua
 #include liturgy.lua
+#include music_manager.lua
 #include ruleset.lua
 #include palette.lua
 #include progression.lua

music_manager.lua

@@ -0,0 +1,10 @@
+music_manager={}
+add(modules,music_manager)
+function music_manager:init()
+end
+function music_manager:update()
+ local is_playing = stat(54) != -1
+ local should_be_playing = completion_tracker:get_music_preference()
+ if (is_playing and not should_be_playing) music(-1,500)
+ if (not is_playing and should_be_playing) music(0)
+end

state_menu.lua

@@ -10,8 +10,12 @@ function state_menu:init()
    main.state_manager:push(state_archaeology:new())
   end),
   menu_option:new(),
-  menu_option:new(function() return "music" end,function()
-   -- todo: music manager
+  menu_option:new(function() 
+   local pref=completion_tracker:get_music_preference()
+   if (pref) return "stop music"
+   return "start music"
+  end,function()
+   completion_tracker:set_music_preference(not completion_tracker:get_music_preference())
   end),
   menu_option:new(function() return "reset data" end,function()
    main.state_manager:push(state_reset_menu:new(self))