settings panel moved to xml (WIP)

res/layouts/pages/settings.xml.lua

@@ -0,0 +1,31 @@
+function create_setting(id, name, step, track_width, postfix)
+    local info = core.get_setting_info(id)
+    if postfix == nil then
+        postfix = ""
+    end
+    document.settings_panel:add(gui.template("track_setting", {
+        id=id,
+        name=gui.str(name, "settings"),
+        value=core.get_setting(id),
+        min=info.min,
+        max=info.max,
+        step=step,
+        track_width=track_width,
+        postfix=postfix
+    }))
+end
+
+function update_setting(x, id, name, postfix)
+    core.set_setting(id, x)
+    -- updating label
+    document[id..".L"].text = string.format(
+        "%s: %s%s", name, core.str_setting(id), postfix
+    )
+end
+
+function on_open()
+    create_setting("chunks.load-distance", "Load Distance", 1, 3)
+    create_setting("chunks.load-speed", "Load Speed", 1, 1)
+    create_setting("graphics.fog-curve", "Fog Curve", 0.1, 2)
+    create_setting("camera.fov", "FOV", 1, 4, "°")
+end