public override void Draw()
{
var modifiers = Game.GetModifierKeys();
IEnumerable <Actor> rollover;
if (IsValidDragbox)
{
var a = worldRenderer.Viewport.WorldToViewPx(dragStart);
var b = worldRenderer.Viewport.WorldToViewPx(mousePos);
var color = normalSelectionColor;
if (modifiers.HasFlag(Modifiers.Alt) && !modifiers.HasFlag(Modifiers.Ctrl))
{
color = altSelectionColor;
}
else if (modifiers.HasFlag(Modifiers.Ctrl) && !modifiers.HasFlag(Modifiers.Alt))
{
color = ctrlSelectionColor;
}
Game.Renderer.RgbaColorRenderer.DrawRect(a, b, 1, color);
// Render actors in the dragbox
rollover = SelectionUtils.SelectActorsInBoxWithDeadzone(World, dragStart, mousePos, modifiers);
}
else
{
// Render actors under the mouse pointer
rollover = SelectionUtils.SelectActorsInBoxWithDeadzone(World, mousePos, mousePos, modifiers);
}
worldRenderer.World.Selection.SetRollover(rollover);
}
public override bool HandleMouseInput(MouseInput mi)
{
mousePos = worldRenderer.Viewport.ViewToWorldPx(mi.Location);
var useClassicMouseStyle = Game.Settings.Game.UseClassicMouseStyle;
var multiClick = mi.MultiTapCount >= 2;
if (!(World.OrderGenerator is UnitOrderGenerator uog))
{
ApplyOrders(World, mi);
isDragging = false;
YieldMouseFocus(mi);
return(true);
}
if (mi.Button == MouseButton.Left && mi.Event == MouseInputEvent.Down)
{
if (!TakeMouseFocus(mi))
{
return(false);
}
dragStart = mousePos;
isDragging = true;
}
if (mi.Button == MouseButton.Left && mi.Event == MouseInputEvent.Up)
{
if (useClassicMouseStyle && HasMouseFocus)
{
if (!IsValidDragbox && World.Selection.Actors.Any() && !multiClick && uog.InputOverridesSelection(World, mousePos, mi))
{
// Order units instead of selecting
ApplyOrders(World, mi);
isDragging = false;
YieldMouseFocus(mi);
return(true);
}
}
if (multiClick)
{
var unit = World.ScreenMap.ActorsAtMouse(mousePos)
.WithHighestSelectionPriority(mousePos, mi.Modifiers);
var eligiblePlayers = SelectionUtils.GetPlayersToIncludeInSelection(World);
if (unit != null && eligiblePlayers.Contains(unit.Owner))
{
var s = unit.TraitOrDefault <ISelectable>();
if (s != null)
{
// Select actors on the screen that have the same selection class as the actor under the mouse cursor
var newSelection = SelectionUtils.SelectActorsOnScreen(World, worldRenderer, new HashSet <string> {
s.Class
}, eligiblePlayers);
World.Selection.Combine(World, newSelection, true, false);
}
}
}
else
{
/* The block below does three things:
* // 1. Allows actor selection using a selection box regardless of input mode.
* // 2. Allows actor deselection with a single click in the default input mode (UnitOrderGenerator).
* // 3. Prevents units from getting deselected when exiting input modes (eg. AttackMove or Guard).
* //
* // We cannot check for UnitOrderGenerator here since it's the default order generator that gets activated in
* // World.CancelInputMode. If we did check it, actor de-selection would not be possible by just clicking somewhere,
* // only by dragging an empty selection box.
*/
if (isDragging && (uog.ClearSelectionOnLeftClick || IsValidDragbox))
{
var newSelection = SelectionUtils.SelectActorsInBoxWithDeadzone(World, dragStart, mousePos, mi.Modifiers);
World.Selection.Combine(World, newSelection, mi.Modifiers.HasModifier(Modifiers.Shift), dragStart == mousePos);
}
}
World.CancelInputMode();
isDragging = false;
YieldMouseFocus(mi);
}
if (mi.Button == MouseButton.Right && mi.Event == MouseInputEvent.Up)
{
// Don't do anything while selecting
if (!IsValidDragbox)
{
if (useClassicMouseStyle)
{
World.Selection.Clear();
}
ApplyOrders(World, mi);
}
}
return(true);
}
