+ difficulty level number to song transition

scripts/songtransition.lua

@@ -3,6 +3,9 @@ game.LoadSkinSample('song_transition_screen/transition_enter.wav');
 
 local bgImage = gfx.CreateSkinImage("songtransition/bg.png", 0)
 
+
+local difficultyNumbers;
+
 local difficultyLabelImages = {
     gfx.CreateSkinImage("songtransition/difficulty_labels/nov.png", 0),
     gfx.CreateSkinImage("songtransition/difficulty_labels/adv.png", 0),
@@ -33,11 +36,43 @@ function resetLayoutInformation()
     scale = resx / desw
 end
 
+function load_number_image(path)
+    local images = {}
+    for i = 0, 9 do
+        images[i + 1] = gfx.CreateSkinImage(string.format("%s/%d.png", path, i), 0)
+    end
+    return images
+end
+
+function draw_number(x, y, alpha, num, digits, images, is_dim, scale, kern)
+    scale = scale or 1;
+	kern = kern or 1;
+	local tw, th = gfx.ImageSize(images[1])
+	tw = tw * scale;
+	th = th * scale;
+    x = x + (tw * (digits - 1)) / 2
+    y = y - th / 2
+    for i = 1, digits do
+        local mul = 10 ^ (i - 1)
+        local digit = math.floor(num / mul) % 10
+        local a = alpha
+        if is_dim and num < mul then
+            a = 0.4
+        end
+        gfx.BeginPath()
+        gfx.ImageRect(x, y, tw, th, images[digit + 1], a, 0)
+        x = x - (tw * kern)
+    end
+end
+
 function render(deltaTime)
     if not wasEnterSfxPlayed then 
         game.PlaySample('song_transition_screen/transition_enter.wav');
         wasEnterSfxPlayed = true;
     end
+    if not difficultyNumbers then
+        difficultyNumbers = load_number_image('diff_num')
+    end
 
     resetLayoutInformation()
     gfx.ResetTransform();
@@ -110,6 +145,11 @@ function render_screen(progress)
     gfx.Text(song.effector, desw/2+70 , EFFECTOR_LABEL_Y-1)
     gfx.Text(song.illustrator, desw/2+70 , ILLUSTRATOR_LABEL_Y-3)
 
+    -- Draw song diff level
+    gfx.BeginPath();
+    draw_number(933, 1140, 1.0, song.level, 2, difficultyNumbers, false, 1, 1)
+
+    -- Draw song diff label (NOV/ADV/EXH/MXM/etc.)
     gfx.BeginPath();
     local diffLabelImage = difficultyLabelImages[song.difficulty+1];
     local diffLabelW, diffLabelH = gfx.ImageSize(diffLabelImage);