celesteia archive, last updated april 9th 2024

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

1 files changed, 53 insertions, 0 deletions

diff --git a/source/resources/sprites/BlockFrames.cs b/source/resources/sprites/BlockFrames.cs
new file mode 100644
index 0000000..33db3e8
--- /dev/null
+++ b/source/resources/sprites/BlockFrames.cs
@@ -0,0 +1,53 @@
+using System;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using MonoGame.Extended.TextureAtlases;
+
+namespace Celesteia.Resources.Sprites {
+    public class BlockFrames {
+        private readonly Vector2 _scaling;
+
+        private BlockFrame[] _frames;
+
+        private bool _doDraw;
+        public bool DoDraw => _doDraw;
+
+        public BlockFrames(TextureAtlas atlas, int startIndex, int frameCount, Vector2? origin = null) {
+            _doDraw = frameCount > 0;
+
+            _scaling = new Vector2(ResourceManager.SPRITE_SCALING);
+
+            _frames = new BlockFrame[frameCount];
+            for (int i = 0; i < frameCount; i++) {
+                _frames[i] = new BlockFrame(atlas.GetRegion(startIndex + i), _scaling, origin);
+            }
+        }
+
+        public BlockFrame GetFrame(int index) {
+            if (!_doDraw) return null;
+            
+            return _frames[index % _frames.Length];
+        }
+
+        public BlockFrame GetProgressFrame(float progress) {
+            return GetFrame((int)MathF.Round(progress * (_frames.Length - 1)));
+        }
+    }
+
+    public class BlockFrame {
+        private TextureRegion2D _region;
+        private Vector2 _scaling;
+        private Vector2 _origin;
+
+        public BlockFrame(TextureRegion2D region, Vector2 scaling, Vector2? origin = null) {
+            _region = region;
+            _scaling = scaling;
+            _origin = origin.HasValue ? origin.Value : Vector2.Zero;
+        }
+
+        public void Draw(int index, SpriteBatch spriteBatch, Vector2 position, Color color, float depth = 0f)
+        => spriteBatch.Draw(_region, position, color, 0f, _origin, _scaling, SpriteEffects.None, depth);
+        
+        public TextureRegion2D GetRegion() => _region;
+    }
+}
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