void UpdateViewportZooms(bool resetCurrentZoom = true)
{
lastViewportDistance = graphicSettings.ViewportDistance;
var vd = graphicSettings.ViewportDistance;
if (viewportSizes.AllowNativeZoom && vd == WorldViewport.Native)
{
minZoom = 1;
}
else
{
var range = viewportSizes.GetSizeRange(vd);
minZoom = CalculateMinimumZoom(range.X, range.Y);
}
maxZoom = Math.Min(minZoom * viewportSizes.MaxZoomScale, Game.Renderer.NativeResolution.Height * 1f / viewportSizes.MaxZoomWindowHeight);
if (unlockMinZoom)
{
// Specators and the map editor support zooming out by an extra factor of two.
// TODO: Allow zooming out until the full map is visible
// We need to improve our viewport scroll handling to center the map as we zoom out
// before this will work well enough to enable
unlockedMinZoom = minZoom * unlockedMinZoomScale;
}
if (resetCurrentZoom)
{
Zoom = minZoom;
}
else
{
Zoom = Zoom.Clamp(minZoom, maxZoom);
}
foreach (var t in worldRenderer.World.WorldActor.TraitsImplementing <INotifyViewportZoomExtentsChanged>())
{
t.ViewportZoomExtentsChanged(minZoom, maxZoom);
}
}
public void Update()
{
DelayedMouseScreenPosition = MouseScreenPosition;
if (Math.Abs(ZoomVelocity) > 0.02f)
{
float oldzoom = Zoom;
ZoomVelocity *= 0.9f;
Zoom += ZoomVelocity * 0.01f * Zoom;
Zoom = Zoom.Clamp(0.01f, 500);
Vector2 oldimage = MouseStartZoomScreen / oldzoom;
Vector2 newimage = MouseStartZoomScreen / Zoom;
Offset -= newimage - oldimage;
}
if (Math.Abs(OffsetVelocity) > 0.1f)
{
OffsetVelocity *= 0.9f;
Offset -= OffsetDirection * OffsetVelocity * 5 / Zoom;
}
}