chore: prepare for the dialog system

sonic-radiance.love/core/modules/scenes.lua

@@ -43,6 +43,8 @@ function Scene:new()
   self.inputLocked      = true
   self.inputLockedTimer = 2
 
+  self.dialog = nil
+
   self:initWorld()
 
   self:register()
@@ -76,11 +78,17 @@ function Scene:updateEnd(dt)
 end
 
 function Scene:updateWorld(dt)
-  if ((self.world ~= nil) and (self.world.isActive)) then
+  if ((self.world ~= nil) and (self.world.isActive) and (self.dialog == nil)) then
     self.world:update(dt)
   end
 end
 
+function Scene:updateDialog(dt)
+  if (self.dialog ~= nil) then
+    self.dialog:update(dt)
+  end
+end
+
 -- MOUSE FUNCTIONS
 -- Make the scene support the pointer
 
@@ -139,6 +147,12 @@ function Scene:drawWorld(dt)
   end
 end
 
+function Scene:drawDialog(dt)
+  if (self.dialog ~= nil) then
+    self.dialog:draw()
+  end
+end
+
 -- INPUT FUNCTIONS
 -- Handle inputs from keyboard/controllers