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changed a lot of the math to make everything more smooth~

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This commit is contained in:
Ellpeck 2019-08-11 21:24:09 +02:00
parent cb12ead7cc
commit a4eede5fe5
7 changed files with 76 additions and 61 deletions
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12
MLEM.Ui/Elements/AutoScaledText.cs
View file

@ -9,7 +9,7 @@ namespace MLEM.Ui.Elements {
public class AutoScaledText : Element {
private IGenericFont font;
private float scale;
private float textScale;
private string text;
public string Text {
@ -30,17 +30,17 @@ namespace MLEM.Ui.Elements {
public override void ForceUpdateArea() {
base.ForceUpdateArea();
this.scale = 0;
this.textScale = 0;
Vector2 measure;
do {
this.scale += 0.1F;
measure = this.font.MeasureString(this.Text) * this.scale;
} while (measure.X <= this.DisplayArea.Size.X && measure.Y <= this.DisplayArea.Size.Y);
this.textScale += 0.1F;
measure = this.font.MeasureString(this.Text) * this.textScale;
} while (measure.X <= this.DisplayArea.Size.X / this.Scale && measure.Y <= this.DisplayArea.Size.Y / this.Scale);
}
public override void Draw(GameTime time, SpriteBatch batch, float alpha) {
var pos = this.DisplayArea.Location.ToVector2() + this.DisplayArea.Size.ToVector2() / 2;
this.font.DrawCenteredString(batch, this.Text, pos, this.scale, this.Color * alpha, true, true);
this.font.DrawCenteredString(batch, this.Text, pos, this.textScale * this.Scale, this.Color * alpha, true, true);
base.Draw(time, batch, alpha);
}

78
MLEM.Ui/Elements/Element.cs
View file

@ -15,6 +15,7 @@ namespace MLEM.Ui.Elements {
private Vector2 size;
private Point offset;
public Point Padding;
public Point ScaledPadding => this.Padding.Multiply(this.Scale);
private Point childPadding;
public Anchor Anchor {
get => this.anchor;
@ -34,6 +35,7 @@ namespace MLEM.Ui.Elements {
this.SetDirty();
}
}
public Vector2 ScaledSize => this.size * this.Scale;
public Point PositionOffset {
get => this.offset;
set {
@ -43,6 +45,7 @@ namespace MLEM.Ui.Elements {
this.SetDirty();
}
}
public Point ScaledOffset => this.offset.Multiply(this.Scale);
public Point ChildPadding {
get => this.childPadding;
set {
@ -52,6 +55,7 @@ namespace MLEM.Ui.Elements {
this.SetDirty();
}
}
public Point ScaledChildPadding => this.childPadding.Multiply(this.Scale);
public MouseClickCallback OnClicked;
public GenericCallback OnSelected;
@ -71,13 +75,8 @@ namespace MLEM.Ui.Elements {
}
protected InputHandler Input => this.System.InputHandler;
public RootElement Root { get; private set; }
public Rectangle ScaledViewport {
get {
var bounds = this.System.GraphicsDevice.Viewport;
return new Rectangle(bounds.X, bounds.Y, (bounds.Width / this.Root.ActualScale).Ceil(), (bounds.Height / this.Root.ActualScale).Ceil());
}
}
public Vector2 MousePos => this.Input.MousePosition.ToVector2() / this.Root.ActualScale;
public float Scale => this.Root.ActualScale;
public Vector2 MousePos => this.Input.MousePosition.ToVector2();
public Element Parent { get; private set; }
public bool IsMouseOver { get; private set; }
public bool IsSelected { get; private set; }
@ -106,12 +105,11 @@ namespace MLEM.Ui.Elements {
public Rectangle DisplayArea {
get {
var padded = this.Area;
padded.Location += this.Padding;
padded.Width -= this.Padding.X * 2;
padded.Height -= this.Padding.Y * 2;
padded.Location += this.ScaledPadding;
padded.Width -= this.ScaledPadding.X * 2;
padded.Height -= this.ScaledPadding.Y * 2;
return padded;
}
}
private bool areaDirty;
@ -177,11 +175,11 @@ namespace MLEM.Ui.Elements {
Rectangle parentArea;
if (this.Parent != null) {
parentArea = this.Parent.area;
parentArea.Location += this.Parent.ChildPadding;
parentArea.Width -= this.Parent.ChildPadding.X * 2;
parentArea.Height -= this.Parent.ChildPadding.Y * 2;
parentArea.Location += this.Parent.ScaledChildPadding;
parentArea.Width -= this.Parent.ScaledChildPadding.X * 2;
parentArea.Height -= this.Parent.ScaledChildPadding.Y * 2;
} else {
parentArea = this.ScaledViewport;
parentArea = this.system.GraphicsDevice.Viewport.Bounds;
}
var parentCenterX = parentArea.X + parentArea.Width / 2;
var parentCenterY = parentArea.Y + parentArea.Height / 2;
@ -194,42 +192,42 @@ namespace MLEM.Ui.Elements {
case Anchor.AutoLeft:
case Anchor.AutoInline:
case Anchor.AutoInlineIgnoreOverflow:
pos.X = parentArea.X + this.offset.X;
pos.Y = parentArea.Y + this.offset.Y;
pos.X = parentArea.X + this.ScaledOffset.X;
pos.Y = parentArea.Y + this.ScaledOffset.Y;
break;
case Anchor.TopCenter:
case Anchor.AutoCenter:
pos.X = parentCenterX - actualSize.X / 2 + this.offset.X;
pos.Y = parentArea.Y + this.offset.Y;
pos.X = parentCenterX - actualSize.X / 2 + this.ScaledOffset.X;
pos.Y = parentArea.Y + this.ScaledOffset.Y;
break;
case Anchor.TopRight:
case Anchor.AutoRight:
pos.X = parentArea.Right - actualSize.X - this.offset.X;
pos.Y = parentArea.Y + this.offset.Y;
pos.X = parentArea.Right - actualSize.X - this.ScaledOffset.X;
pos.Y = parentArea.Y + this.ScaledOffset.Y;
break;
case Anchor.CenterLeft:
pos.X = parentArea.X + this.offset.X;
pos.Y = parentCenterY - actualSize.Y / 2 + this.offset.Y;
pos.X = parentArea.X + this.ScaledOffset.X;
pos.Y = parentCenterY - actualSize.Y / 2 + this.ScaledOffset.Y;
break;
case Anchor.Center:
pos.X = parentCenterX - actualSize.X / 2 + this.offset.X;
pos.Y = parentCenterY - actualSize.Y / 2 + this.offset.Y;
pos.X = parentCenterX - actualSize.X / 2 + this.ScaledOffset.X;
pos.Y = parentCenterY - actualSize.Y / 2 + this.ScaledOffset.Y;
break;
case Anchor.CenterRight:
pos.X = parentArea.Right - actualSize.X - this.offset.X;
pos.Y = parentCenterY - actualSize.Y / 2 + this.offset.Y;
pos.X = parentArea.Right - actualSize.X - this.ScaledOffset.X;
pos.Y = parentCenterY - actualSize.Y / 2 + this.ScaledOffset.Y;
break;
case Anchor.BottomLeft:
pos.X = parentArea.X + this.offset.X;
pos.Y = parentArea.Bottom - actualSize.Y - this.offset.Y;
pos.X = parentArea.X + this.ScaledOffset.X;
pos.Y = parentArea.Bottom - actualSize.Y - this.ScaledOffset.Y;
break;
case Anchor.BottomCenter:
pos.X = parentCenterX - actualSize.X / 2 + this.offset.X;
pos.Y = parentArea.Bottom - actualSize.Y - this.offset.Y;
pos.X = parentCenterX - actualSize.X / 2 + this.ScaledOffset.X;
pos.Y = parentArea.Bottom - actualSize.Y - this.ScaledOffset.Y;
break;
case Anchor.BottomRight:
pos.X = parentArea.Right - actualSize.X - this.offset.X;
pos.Y = parentArea.Bottom - actualSize.Y - this.offset.Y;
pos.X = parentArea.Right - actualSize.X - this.ScaledOffset.X;
pos.Y = parentArea.Bottom - actualSize.Y - this.ScaledOffset.Y;
break;
}
@ -241,19 +239,19 @@ namespace MLEM.Ui.Elements {
case Anchor.AutoLeft:
case Anchor.AutoCenter:
case Anchor.AutoRight:
pos.Y = prevArea.Bottom + this.PositionOffset.Y;
pos.Y = prevArea.Bottom + this.ScaledOffset.Y;
break;
case Anchor.AutoInline:
var newX = prevArea.Right + this.PositionOffset.X;
var newX = prevArea.Right + this.ScaledOffset.X;
if (newX + actualSize.X <= parentArea.Right) {
pos.X = newX;
pos.Y = prevArea.Y;
} else {
pos.Y = prevArea.Bottom + this.PositionOffset.Y;
pos.Y = prevArea.Bottom + this.ScaledOffset.Y;
}
break;
case Anchor.AutoInlineIgnoreOverflow:
pos.X = prevArea.Right + this.PositionOffset.X;
pos.X = prevArea.Right + this.ScaledOffset.X;
pos.Y = prevArea.Y;
break;
}
@ -271,7 +269,7 @@ namespace MLEM.Ui.Elements {
height = child.area.Bottom;
}
var newHeight = height - pos.Y + this.ChildPadding.Y;
var newHeight = (height - pos.Y + this.ScaledChildPadding.Y) / this.Scale;
if (newHeight != this.size.Y) {
this.size.Y = newHeight;
this.ForceUpdateArea();
@ -281,8 +279,8 @@ namespace MLEM.Ui.Elements {
protected virtual Point CalcActualSize(Rectangle parentArea) {
return new Point(
(this.size.X > 1 ? this.size.X : parentArea.Width * this.size.X).Floor(),
(this.size.Y > 1 ? this.size.Y : parentArea.Height * this.size.Y).Floor());
(this.size.X > 1 ? this.ScaledSize.X : parentArea.Width * this.size.X).Floor(),
(this.size.Y > 1 ? this.ScaledSize.Y : parentArea.Height * this.size.Y).Floor());
}
protected Element GetPreviousChild(bool hiddenAlso) {

8
MLEM.Ui/Elements/Paragraph.cs
View file

@ -33,12 +33,12 @@ namespace MLEM.Ui.Elements {
protected override Point CalcActualSize(Rectangle parentArea) {
var size = base.CalcActualSize(parentArea);
this.splitText = this.font.SplitString(this.text, size.X, this.TextScale).ToArray();
this.splitText = this.font.SplitString(this.text, size.X, this.TextScale * this.Scale).ToArray();
this.lineHeight = 0;
var height = 0F;
foreach (var strg in this.splitText) {
var strgHeight = this.font.MeasureString(strg).Y * this.TextScale;
var strgHeight = this.font.MeasureString(strg).Y * this.TextScale * this.Scale;
height += strgHeight + 1;
if (strgHeight > this.lineHeight)
this.lineHeight = strgHeight;
@ -53,9 +53,9 @@ namespace MLEM.Ui.Elements {
var offset = new Vector2();
foreach (var line in this.splitText) {
if (this.centerText) {
this.font.DrawCenteredString(batch, line, pos + offset + new Vector2(this.DisplayArea.Width / 2, 0), this.TextScale, Color.White * alpha);
this.font.DrawCenteredString(batch, line, pos + offset + new Vector2(this.DisplayArea.Width / 2, 0), this.TextScale * this.Scale, Color.White * alpha);
} else {
this.font.DrawString(batch, line, pos + offset, Color.White * alpha, 0, Vector2.Zero, this.TextScale, SpriteEffects.None, 0);
this.font.DrawString(batch, line, pos + offset, Color.White * alpha, 0, Vector2.Zero, this.TextScale * this.Scale, SpriteEffects.None, 0);
}
offset.Y += this.lineHeight + 1;
}

2
MLEM.Ui/Elements/TextField.cs
View file

@ -78,7 +78,7 @@ namespace MLEM.Ui.Elements {
batch.Draw(tex, this.DisplayArea, color);
var caret = this.IsSelected && this.caretBlinkTimer >= 0.5F ? "|" : "";
var text = this.Text.ToString(this.textStartIndex, this.Text.Length - this.textStartIndex) + caret;
this.font.DrawCenteredString(batch, text, this.DisplayArea.Location.ToVector2() + new Vector2(this.TextOffsetX, this.DisplayArea.Height / 2), this.TextScale, Color.White * alpha, false, true);
this.font.DrawCenteredString(batch, text, this.DisplayArea.Location.ToVector2() + new Vector2(this.TextOffsetX, this.DisplayArea.Height / 2), this.TextScale * this.Scale, Color.White * alpha, false, true);
base.Draw(time, batch, alpha);
}

2
MLEM.Ui/UiSystem.cs
View file

@ -94,7 +94,7 @@ namespace MLEM.Ui {
foreach (var root in this.rootElements) {
if (root.Element.IsHidden)
continue;
batch.Begin(SpriteSortMode.Deferred, this.BlendState, this.SamplerState, transformMatrix: Matrix.CreateScale(root.ActualScale));
batch.Begin(SpriteSortMode.Deferred, this.BlendState, this.SamplerState);
root.Element.Draw(time, batch, this.DrawAlpha * root.Element.DrawAlpha);
batch.End();
}

4
MLEM/Extensions/NumberExtensions.cs
View file

@ -24,5 +24,9 @@ namespace MLEM.Extensions {
return new Vector4(vec.X.Floor(), vec.Y.Floor(), vec.Z.Floor(), vec.W.Floor());
}
public static Point Multiply(this Point point, float f) {
return new Point((point.X * f).Floor(), (point.Y * f).Floor());
}
}
}

31
Tests/GameImpl.cs
View file

@ -30,7 +30,7 @@ namespace Tests {
var style = new UiStyle {
Font = new GenericSpriteFont(LoadContent<SpriteFont>("Fonts/TestFont")),
TextScale = 0.8F,
TextScale = 0.2F,
PanelTexture = this.testPatch,
ButtonTexture = new NinePatch(new TextureRegion(this.testTexture, 24, 8, 16, 16), 4),
TextFieldTexture = new NinePatch(new TextureRegion(this.testTexture, 24, 8, 16, 16), 4),
@ -39,20 +39,20 @@ namespace Tests {
};
var untexturedStyle = this.UiSystem.Style;
this.UiSystem.Style = style;
this.UiSystem.GlobalScale = 1.25F;
this.UiSystem.GlobalScale = 5;
var root = new Panel(Anchor.BottomLeft, new Vector2(300, 450), Point.Zero, true);
var root = new Panel(Anchor.BottomLeft, new Vector2(100, 120), Point.Zero, true);
this.UiSystem.Add("Test", root);
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "This is a test text that is hopefully long enough to cover at least a few lines, otherwise it would be very sad."));
var image = root.AddChild(new Image(Anchor.AutoCenter, new Vector2(70, 70), new TextureRegion(this.testTexture, 0, 0, 8, 8)) {IsHidden = true, Padding = new Point(10)});
root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 40), "Test Button") {
var image = root.AddChild(new Image(Anchor.AutoCenter, new Vector2(20, 20), new TextureRegion(this.testTexture, 0, 0, 8, 8)) {IsHidden = true});
root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 15), "Test Button") {
OnClicked = (element, button) => {
if (button == MouseButton.Left)
image.IsHidden = !image.IsHidden;
}
});
root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 40), "Change Style") {
root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 15), "Change Style") {
OnClicked = (element, button) => {
if (button == MouseButton.Left)
this.UiSystem.Style = this.UiSystem.Style is UntexturedStyle ? style : untexturedStyle;
@ -61,21 +61,34 @@ namespace Tests {
Texture = this.testPatch,
HoveredColor = Color.LightGray
});
root.AddChild(new TextField(Anchor.AutoLeft, new Vector2(1, 40)));
root.AddChild(new TextField(Anchor.AutoLeft, new Vector2(1, 15)));
root.AddChild(new VerticalSpace(3));
root.AddChild(new Button(Anchor.AutoLeft, new Vector2(40), "+") {
root.AddChild(new Button(Anchor.AutoLeft, new Vector2(15), "+") {
OnClicked = (element, button) => {
if (element.Root.Scale < 2)
element.Root.Scale += 0.1F;
}
});
root.AddChild(new Button(Anchor.AutoInline, new Vector2(40), "-") {
root.AddChild(new Button(Anchor.AutoInline, new Vector2(15), "-") {
OnClicked = (element, button) => {
if (element.Root.Scale > 0.5F)
element.Root.Scale -= 0.1F;
}
});
root.AddChild(new Button(Anchor.AutoInline, new Vector2(30, 15), "Woop") {
OnClicked = (element, button) => CoroutineHandler.Start(Woop(element))
});
}
private static IEnumerator<Wait> Woop(Element element) {
var angle = 0;
var startScale = element.Root.Scale;
while (angle < 180) {
element.Root.Scale = startScale + (float) Math.Sin(MathHelper.ToRadians(angle));
angle++;
yield return new WaitSeconds(0.01F);
}
}
protected override void Draw(GameTime gameTime) {