public void HandleInput(MouseState mState, KeyboardState kState, bool click, Func<Keys, bool> keyWentDown, World world) {
var mouseTransformed = Vector2.Transform(mState.Position.ToVector2(), Matrix.Invert(Transform)).ToPoint();
if(!MouseDownPosTransformed.HasValue && mState.LeftButton == ButtonState.Pressed) {
MouseDownPosTransformed = mouseTransformed;
}
if(MouseDownPosTransformed.HasValue && mState.LeftButton == ButtonState.Released) {
MouseDownPosTransformed = null;
}
HandleSelection(click, mouseTransformed, kState, keyWentDown, world);
HandleZoom(mState, kState);
HandleClickDrag(mouseTransformed);
HandleArrowScrolling(kState);
HandleReset(kState);
}
private void HandleSelection(bool click, Point mouseTransformed, KeyboardState kState, Func<Keys, bool> keyWentDown, World world) {
if(Following != null) {
if(!Following.Active) {
Following = null;
} else {
Center = Following.CenterPosition.ToPoint();
}
}
if(kState.IsKeyDown(Keys.LeftControl) || kState.IsKeyDown(Keys.RightControl)) {
if(keyWentDown(Keys.Right)) {
var actives = world.CreatureObjs.Where(c => c.Active).ToArray();
var ndx = ThreadSafeRandom.Instance.Next(0, actives.Length);
Following = actives[ndx];
}
}
if(click) {
var clicked = world.ActiveGameObjs
.OfType<GameObjects.CreatureComponents.Creature>()
.FirstOrDefault(g => Vector2.Distance(g.CenterPosition, mouseTransformed.ToVector2()) < g.Radius);
if(clicked != null) {
if(clicked != Following) {
if(Following != null) {
Following.ShowInfo = false;
}
Following = clicked;
Following.ShowInfo = true;
} else {
Following.ShowInfo = false;
Following = null;
}
}
}
}