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added gamepad controls
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commit
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2 changed files with 71 additions and 3 deletions
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@ -5,7 +5,7 @@
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<PropertyGroup>
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<Authors>Ellpeck</Authors>
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<Description>A mouse, keyboard and touch ready Ui system that features automatic anchoring, sizing and several ready-to-use element types. Part of (M)LEM (L)ibrary by (E)llpeck for (M)onoGame</Description>
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<Description>A mouse, keyboard, gamepad and touch ready Ui system that features automatic anchoring, sizing and several ready-to-use element types. Part of (M)LEM (L)ibrary by (E)llpeck for (M)onoGame</Description>
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<PackageTags>monogame ellpeck mlem ui user interface graphical gui system</PackageTags>
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<PackageProjectUrl>https://github.com/Ellpeck/MLEM</PackageProjectUrl>
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<RepositoryUrl>https://github.com/Ellpeck/MLEM</RepositoryUrl>
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@ -5,6 +5,7 @@ using Microsoft.Xna.Framework.Input;
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using Microsoft.Xna.Framework.Input.Touch;
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using MLEM.Extensions;
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using MLEM.Input;
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using MLEM.Misc;
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using MLEM.Ui.Elements;
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namespace MLEM.Ui {
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@ -18,6 +19,10 @@ namespace MLEM.Ui {
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public Element SelectedElement { get; private set; }
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public bool SelectedLastElementWithMouse { get; private set; }
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public Buttons[] GamepadButtons = {Buttons.A};
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public Buttons[] SecondaryGamepadButtons = {Buttons.X};
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public int GamepadIndex = -1;
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public UiControls(UiSystem system, InputHandler inputHandler = null) {
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this.system = system;
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this.Input = inputHandler ?? new InputHandler();
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@ -65,7 +70,7 @@ namespace MLEM.Ui {
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}
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} else if (this.Input.IsKeyPressed(Keys.Tab)) {
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// tab or shift-tab to next or previous element
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this.SelectElement(this.GetNextElement(this.Input.IsModifierKeyDown(ModifierKey.Shift)), false);
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this.SelectElement(this.GetTabNextElement(this.Input.IsModifierKeyDown(ModifierKey.Shift)), false);
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}
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// TOUCH INPUT
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@ -80,6 +85,45 @@ namespace MLEM.Ui {
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if (held != null)
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held.OnSecondaryPressed?.Invoke(held);
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}
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// GAMEPAD INPUT
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else if (this.GamepadButtons.Any(b => this.Input.IsGamepadButtonPressed(b, this.GamepadIndex))) {
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if (this.SelectedElement?.Root != null)
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this.SelectedElement.OnPressed?.Invoke(this.SelectedElement);
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} else if (this.SecondaryGamepadButtons.Any(b => this.Input.IsGamepadButtonPressed(b, this.GamepadIndex))) {
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if (this.SelectedElement?.Root != null)
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this.SelectedElement.OnSecondaryPressed?.Invoke(this.SelectedElement);
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} else if (this.Input.IsGamepadButtonPressed(Buttons.DPadDown) || this.Input.IsGamepadButtonPressed(Buttons.LeftThumbstickDown)) {
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var next = this.GetGamepadNextElement(searchArea => {
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searchArea.Height += this.system.Viewport.Height;
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return searchArea;
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});
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if (next != null)
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this.SelectElement(next, false);
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} else if (this.Input.IsGamepadButtonPressed(Buttons.DPadLeft) || this.Input.IsGamepadButtonPressed(Buttons.LeftThumbstickLeft)) {
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var next = this.GetGamepadNextElement(searchArea => {
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searchArea.X -= this.system.Viewport.Width;
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searchArea.Width += this.system.Viewport.Width;
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return searchArea;
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});
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if (next != null)
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this.SelectElement(next, false);
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} else if (this.Input.IsGamepadButtonPressed(Buttons.DPadRight) || this.Input.IsGamepadButtonPressed(Buttons.LeftThumbstickRight)) {
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var next = this.GetGamepadNextElement(searchArea => {
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searchArea.Width += this.system.Viewport.Width;
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return searchArea;
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});
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if (next != null)
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this.SelectElement(next, false);
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} else if (this.Input.IsGamepadButtonPressed(Buttons.DPadUp) || this.Input.IsGamepadButtonPressed(Buttons.LeftThumbstickUp)) {
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var next = this.GetGamepadNextElement(searchArea => {
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searchArea.Y -= this.system.Viewport.Height;
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searchArea.Height += this.system.Viewport.Height;
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return searchArea;
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});
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if (next != null)
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this.SelectElement(next, false);
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}
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}
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public void SelectElement(Element element, bool mouse) {
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@ -105,7 +149,7 @@ namespace MLEM.Ui {
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return null;
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}
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private Element GetNextElement(bool backward) {
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private Element GetTabNextElement(bool backward) {
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var currRoot = this.system.GetRootElements().FirstOrDefault(root => root.CanSelectContent);
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if (currRoot == null)
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return null;
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@ -134,5 +178,29 @@ namespace MLEM.Ui {
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}
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}
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private Element GetGamepadNextElement(Func<Rectangle, Rectangle> searchAreaFunc) {
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var currRoot = this.system.GetRootElements().FirstOrDefault(root => root.CanSelectContent);
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if (currRoot == null)
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return null;
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var children = currRoot.Element.GetChildren(regardChildrensChildren: true).Append(currRoot.Element);
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if (this.SelectedElement?.Root != currRoot) {
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return children.FirstOrDefault(c => c.CanBeSelected);
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} else {
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var searchArea = searchAreaFunc(this.SelectedElement.Area);
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Element closest = null;
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float closestDist = 0;
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foreach (var child in children) {
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if (!child.CanBeSelected || child == this.SelectedElement || !searchArea.Intersects(child.Area))
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continue;
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var dist = Vector2.Distance(child.Area.Center.ToVector2(), this.SelectedElement.Area.Center.ToVector2());
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if (closest == null || dist < closestDist) {
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closest = child;
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closestDist = dist;
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}
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}
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return closest;
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}
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}
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}
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}
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