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improved NinePatch memory performance

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Ell 2021-07-03 01:44:39 +02:00
parent 00d9ee99d8
commit f71eb6eddb
2 changed files with 32 additions and 22 deletions
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3
CHANGELOG.md
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@ -10,6 +10,9 @@ Jump to version:
Fixes
- Set default values for InputHandler held and pressed keys to avoid an exception if buttons are held in the very first frame
Improvements
- Improved NinePatch memory performance
## 5.0.0
### MLEM
Additions

51
MLEM/Textures/NinePatch.cs
View file

@ -1,6 +1,4 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using MLEM.Extensions;
@ -41,7 +39,9 @@ namespace MLEM.Textures {
this.Region = texture;
this.Padding = padding;
this.Mode = mode;
this.SourceRectangles = this.CreateRectangles(this.Region.Area).ToArray();
this.SourceRectangles = new Rectangle[9];
for (var i = 0; i < this.SourceRectangles.Length; i++)
this.SourceRectangles[i] = (Rectangle) this.GetRectangleForIndex((RectangleF) this.Region.Area, i);
}
/// <summary>
@ -77,7 +77,7 @@ namespace MLEM.Textures {
this(texture, padding, padding, padding, padding, mode) {
}
internal IEnumerable<RectangleF> CreateRectangles(RectangleF area, float patchScale = 1) {
internal RectangleF GetRectangleForIndex(RectangleF area, int index, float patchScale = 1) {
var pl = this.Padding.Left * patchScale;
var pr = this.Padding.Right * patchScale;
var pt = this.Padding.Top * patchScale;
@ -90,19 +90,28 @@ namespace MLEM.Textures {
var topY = area.Y + pt;
var bottomY = area.Y + area.Height - pb;
yield return new RectangleF(area.X, area.Y, pl, pt);
yield return new RectangleF(leftX, area.Y, centerW, pt);
yield return new RectangleF(rightX, area.Y, pr, pt);
yield return new RectangleF(area.X, topY, pl, centerH);
yield return new RectangleF(leftX, topY, centerW, centerH);
yield return new RectangleF(rightX, topY, pr, centerH);
yield return new RectangleF(area.X, bottomY, pl, pb);
yield return new RectangleF(leftX, bottomY, centerW, pb);
yield return new RectangleF(rightX, bottomY, pr, pb);
}
private IEnumerable<Rectangle> CreateRectangles(Rectangle area, float patchScale = 1) {
return this.CreateRectangles((RectangleF) area, patchScale).Select(r => (Rectangle) r);
switch (index) {
case 0:
return new RectangleF(area.X, area.Y, pl, pt);
case 1:
return new RectangleF(leftX, area.Y, centerW, pt);
case 2:
return new RectangleF(rightX, area.Y, pr, pt);
case 3:
return new RectangleF(area.X, topY, pl, centerH);
case 4:
return new RectangleF(leftX, topY, centerW, centerH);
case 5:
return new RectangleF(rightX, topY, pr, centerH);
case 6:
return new RectangleF(area.X, bottomY, pl, pb);
case 7:
return new RectangleF(leftX, bottomY, centerW, pb);
case 8:
return new RectangleF(rightX, bottomY, pr, pb);
default:
throw new ArgumentOutOfRangeException(nameof(index));
}
}
}
@ -143,11 +152,10 @@ namespace MLEM.Textures {
/// <param name="layerDepth">The depth</param>
/// <param name="patchScale">The scale of each area of the nine patch</param>
public static void Draw(this SpriteBatch batch, NinePatch texture, RectangleF destinationRectangle, Color color, float rotation, Vector2 origin, SpriteEffects effects, float layerDepth, float patchScale = 1) {
var destinations = texture.CreateRectangles(destinationRectangle, patchScale);
var count = 0;
foreach (var rect in destinations) {
for (var i = 0; i < texture.SourceRectangles.Length; i++) {
var rect = texture.GetRectangleForIndex(destinationRectangle, i, patchScale);
if (!rect.IsEmpty) {
var src = texture.SourceRectangles[count];
var src = texture.SourceRectangles[i];
switch (texture.Mode) {
case NinePatchMode.Stretch:
batch.Draw(texture.Region.Texture, rect, src, color, rotation, origin, effects, layerDepth);
@ -164,7 +172,6 @@ namespace MLEM.Textures {
break;
}
}
count++;
}
}