Restore original draw_loading code and move new code to a new script

Restored the original loading bar drawing code for historical reasons (despite unused, it's still mentioned in a few places in the code). Moved the download progress bar drawing code to a new script called draw_downloadprogress().

Author: Bentroen

Minecraft Note Block Studio.yyp

@@ -1327,7 +1327,7 @@ draw_windows()
 // Draw update progress bar
 if (update == 4) {
 	window = -1
-	draw_loading("Update", "Downloading update...", downloaded_size, total_size)
+	draw_downloadprogress("Update", "Downloading update...", downloaded_size, total_size)
 }
 
 window_set_cursor(curs)

scripts/control_draw/control_draw.gml

@@ -0,0 +1,25 @@
+// draw_downloadprogress(caption, desc, downloaded_size, total_size)
+var caption, desc, done, total, done_mb, total_mb, percent, x1, y1;
+caption = argument0
+desc = argument1
+done = argument2
+total = argument3
+percent = done/total
+done_mb = done/power(1024, 2)
+total_mb = total/power(1024, 2)
+x1 = floor(window_width / 2 - 150)
+y1 = floor(window_height / 2 - 50)
+draw_theme_color()
+draw_window(x1, y1, x1 + 300, y1 + 100)
+draw_set_font(fnt_mainbold)
+draw_text(x1 + 16, y1 + 16, caption)
+draw_set_font(fnt_main)
+draw_set_halign(fa_center)
+draw_text(floor(window_width / 2), y1 + 40, desc)
+draw_set_color(10512464)
+draw_rectangle(x1 + 30, y1 + 60, x1 + 30 + percent * 240, y1 + 80, 0)
+draw_theme_color()
+draw_rectangle(x1 + 30, y1 + 60, x1 + 270, y1 + 80, 1)
+if (percent > 0.5) draw_set_color(c_white)
+draw_text(floor(window_width / 2), y1 + 65, string_format(done_mb, 0, 2) + "/" + string_format(total_mb, 0, 2) + " MB (" + string(round(percent * 100)) + "%)")
+draw_set_halign(fa_left)