celesteia archive, last updated april 9th 2024

Signed-off-by: hazel <hazel@hazelthats.me>

1 files changed, 32 insertions, 0 deletions

diff --git a/source/resources/sprites/EntityFrames.cs b/source/resources/sprites/EntityFrames.cs
new file mode 100644
index 0000000..65e31ee
--- /dev/null
+++ b/source/resources/sprites/EntityFrames.cs
@@ -0,0 +1,32 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using MonoGame.Extended.TextureAtlases;
+
+namespace Celesteia.Resources.Sprites {
+    public class EntityFrames {
+        public SpriteEffects Effects;
+
+        public int Frame;
+
+        private readonly Vector2 _scaling;
+
+        private TextureRegion2D[] _frames;
+
+        public EntityFrames(TextureAtlas atlas, int startIndex, int frameCount, float scaling) {
+            _scaling = new Vector2(scaling);
+
+            _frames = new TextureRegion2D[frameCount];
+            for (int i = 0; i < frameCount; i++) {
+                _frames[i] = atlas.GetRegion(startIndex + i);
+            }
+        }
+
+        private Vector2 GetOrigin(TextureRegion2D frame) {
+            return new Vector2(0.5f * frame.Width, 0.5f * frame.Height);
+        }
+
+        public void Draw(int index, SpriteBatch spriteBatch, Vector2 position, Vector2 scale, Color color) {
+            spriteBatch.Draw(_frames[Frame % _frames.Length], position, color, 0f, GetOrigin(_frames[index % _frames.Length]), _scaling * scale, Effects, 0f, null);
+        }
+    }
+}
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