Add VCTRL.export (for saving feature)

game/vctrl.lua

@@ -15,6 +15,7 @@ local function mDrawQ(obj,quad,x,y,a,k)
     love.graphics.draw(obj,quad,x,y,a,k,nil,w*.5,h*.5)
 end
 
+ShowLoadingText('virtual key skin')
 local empty_quad
 -- A table containing quads used to draw icons for virtual control system.
 local virtual_quad=setmetatable((function()
@@ -56,6 +57,19 @@ function control_type.button:new(data)
         quad=virtual_quad[data.key]
     },self)
 end
+function control_type.button:export()
+    return {
+        show = self.show,
+        x = self.x,
+        y = self.y,
+        r = self.r,
+        shape = self.shape,
+        key = self.key,
+        iconSize = self.iconSize,
+        alpha = self.alpha,
+        quad = self.quad
+    }
+end
 function control_type.button:reset()
     self.pressed=false
     self.lastPressTime=-1e99
@@ -194,4 +208,6 @@ function VCTRL.draw(forceLight)
             VCTRL[i]:draw(forceLight)
         end
     end
-end
+end
+
+function VCTRL.export(K) return K:export() end