feat: add delay to screen changes

sonic-radiance.love/birb/modules/gui/screen/init.lua

@@ -43,26 +43,32 @@ end
 
 function GuiScreen:showSimple(focusElement, widgetId, page)
     focusElement = focusElement or self.defaultFocus
-    local time = 0
     if (not self.isVisible) then
         self.isVisible = true
-        if (self.transforms["show"] ~= nil) then
+        local delay = 0
-            time = self:playTransform("show")
-        end
-
-        if (self.subscreens ~= nil) then
-            self.subscreens:show()
-        end
-
         if (self.set ~= nil) then
-            self.set:setCurrentScreen(self.name)
+            delay = self.set:setCurrentScreen(self.name)
         end
 
-        if (focusElement) then
+        if (self.transforms["show"] ~= nil) then
-            self.tweens:newFunc(time, "focus", function () self.gui:setFocus(focusElement, widgetId, page) end)
+            if (delay == 0) then
+                self:showWithSubScreen(focusElement, widgetId, page)
+            else
+                self.tweens:newFunc(delay, "focus", function () self:showWithSubScreen(focusElement, widgetId, page) end)
+            end
         end
     end
+end
 
+function GuiScreen:showWithSubScreen(focusElement, widgetId, page)
+    self:playTransform("show")
+    if (focusElement ~= nil) then
+        self.gui:setFocus(focusElement, widgetId, page)
+    end
+
+    if (self.subscreens ~= nil) then
+        self.subscreens:show()
+    end
 end
 
 function GuiScreen:setDatas(datas)
@@ -70,9 +76,10 @@ function GuiScreen:setDatas(datas)
 end
 
 function GuiScreen:hide()
+    local time = 0
     if (self.isVisible) then
         if (self.transforms["hide"] ~= nil) then
-            local time = self:playTransform("hide")
+            time = self:playTransform("hide")
             self.tweens:newFunc(time, "hide", function ()
                 self.isVisible = false
             end)
@@ -82,7 +89,7 @@ function GuiScreen:hide()
             self.subscreens:hideCurrent()
         end
     end
-
+    return time
 end
 
 function GuiScreen:addTransform(name, transform)

sonic-radiance.love/birb/modules/gui/screen/screenset.lua

@@ -29,6 +29,7 @@ function ScreenSet:new(owner)
     self.defaultScreen = ""
     self.currentScreen = ""
     self.owner = owner
+    self.delay = 0
 end
 
 function ScreenSet:show(screenName)
@@ -47,15 +48,18 @@ end
 
 function ScreenSet:setCurrentScreen(screenName)
   screenName = screenName or self.defaultScreen
-  self:hideCurrent()
+  local time = self:hideCurrent() + self.delay
   self.currentScreen = screenName
+  return time
 end
 
 function ScreenSet:hideCurrent()
+  local time = 0
   if (self.currentScreen ~= "") then
-    self.set[self.currentScreen]:hide()
+    time = self.set[self.currentScreen]:hide()
     self.currentScreen = ""
   end
+  return time
 end
 
 function ScreenSet:add(screen, setAsDefault)