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fixed DataTextureAtlas frm instruction failing if the original texture has an offset

This commit is contained in:
Ell 2022-09-14 12:19:05 +02:00
parent 7d8b14ee8d
commit c3c8b132da
2 changed files with 13 additions and 10 deletions

View file

@ -6,6 +6,7 @@ using System.Text.RegularExpressions;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.Graphics;
using MLEM.Extensions;
using MLEM.Misc;
using MLEM.Textures;
#if FNA
@ -148,7 +149,8 @@ namespace MLEM.Data {
customData.Clear();
foreach (var key in fromRegion.GetDataKeys())
customData.Add(key, fromRegion.GetData<string>(key));
location = fromRegion.Area;
// our main texture might be a sub-region already, so we have to take that into account
location = fromRegion.Area.OffsetCopy(new Point(-texture.U, -texture.V));
pivot = fromRegion.PivotPixels;
if (pivot != Vector2.Zero && !pivotRelative)
pivot += location.Location.ToVector2();

View file

@ -9,43 +9,44 @@ namespace Tests {
public class TestDataTextureAtlas {
[Test]
public void Test() {
public void Test([Values(0, 4)] int regionX, [Values(0, 4)] int regionY) {
using var game = TestGame.Create();
using var texture = new Texture2D(game.GraphicsDevice, 1, 1);
var atlas = DataTextureAtlas.LoadAtlasData(new TextureRegion(texture), game.RawContent, "Texture.atlas");
var region = new TextureRegion(texture, regionX, regionY, 1, 1);
var atlas = DataTextureAtlas.LoadAtlasData(region, game.RawContent, "Texture.atlas");
Assert.AreEqual(12, atlas.Regions.Count());
// no pivot
var plant = atlas["Plant"];
Assert.AreEqual(plant.Area, new Rectangle(96, 0, 16, 32));
Assert.AreEqual(plant.Area, new Rectangle(96 + regionX, 0 + regionY, 16, 32));
Assert.AreEqual(plant.PivotPixels, Vector2.Zero);
// no added offset
var table = atlas["LongTableUp"];
Assert.AreEqual(table.Area, new Rectangle(0, 32, 64, 48));
Assert.AreEqual(table.Area, new Rectangle(0 + regionX, 32 + regionY, 64, 48));
Assert.AreEqual(table.PivotPixels, new Vector2(16, 48 - 32));
// added offset
var table2 = atlas["LongTableDown"];
Assert.AreEqual(table2.Area, new Rectangle(64, 32, 64, 48));
Assert.AreEqual(table2.Area, new Rectangle(64 + regionX, 32 + regionY, 64, 48));
Assert.AreEqual(table2.PivotPixels, new Vector2(112 - 64, 48 - 32));
// negative pivot
var negativePivot = atlas["TestRegionNegativePivot"];
Assert.AreEqual(negativePivot.Area, new Rectangle(0, 32, 16, 16));
Assert.AreEqual(negativePivot.Area, new Rectangle(0 + regionX, 32 + regionY, 16, 16));
Assert.AreEqual(negativePivot.PivotPixels, new Vector2(-32, 46 - 32));
// cpy (pivot pixels should be identical to LongTableUp because they're region-internal)
var copy1 = atlas["Copy1"];
Assert.AreEqual(copy1.Area, new Rectangle(0 + 16, 32, 64, 48));
Assert.AreEqual(copy1.Area, new Rectangle(0 + 16 + regionX, 32 + regionY, 64, 48));
Assert.AreEqual(copy1.PivotPixels, new Vector2(16, 48 - 32));
var copy2 = atlas["Copy2"];
Assert.AreEqual(copy2.Area, new Rectangle(0 + 32, 32 + 4, 64, 48));
Assert.AreEqual(copy2.Area, new Rectangle(0 + 32 + regionX, 32 + 4 + regionY, 64, 48));
Assert.AreEqual(copy2.PivotPixels, new Vector2(16, 48 - 32));
// frm
var copy3 = atlas["Copy3"];
Assert.AreEqual(copy3.Area, new Rectangle(0 + 2, 32 + 4, 64, 48));
Assert.AreEqual(copy3.Area, new Rectangle(0 + 2 + regionX, 32 + 4 + regionY, 64, 48));
Assert.AreEqual(copy3.PivotPixels, new Vector2(16, 48 - 32));
// data