1 files changed, 74 insertions, 0 deletions
diff --git a/V3/Effects/AbstractEffect.cs b/V3/Effects/AbstractEffect.cs
new file mode 100644
index 0000000..c3468c0
--- /dev/null
+++ b/V3/Effects/AbstractEffect.cs
@@ -0,0 +1,74 @@
+using System;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Audio;
+using Microsoft.Xna.Framework.Content;
+using Microsoft.Xna.Framework.Graphics;
+using V3.Data;
+
+namespace V3.Effects
+{
+    public abstract class AbstractEffect : IEffect
+    {
+        private Texture2D mTexture;
+        private int mSpritesPerRow;
+        private int mTotalSprites;
+        private int mAnimationState;
+        private Rectangle mAnimationRectangle;
+        private SoundEffect mSoundEffect;
+        private SoundEffectInstance mSoundEffectInstance;
+
+        public bool IsPlaying { get; private set; }
+        protected virtual UpdatesPerSecond UpdatesPerSecond { get; } = new UpdatesPerSecond(24);
+        protected abstract string TextureFile { get; }
+        protected virtual Point SpriteSize { get; } = new Point(128, 128);
+        protected virtual string SoundFile { get; } = String.Empty;
+
+        public void LoadContent(ContentManager contentManager)
+        {
+            mTexture = contentManager.Load<Texture2D>("Effects/" + TextureFile);
+            mSpritesPerRow = mTexture.Width / SpriteSize.X;
+            mTotalSprites = mSpritesPerRow * (mTexture.Height / SpriteSize.Y);
+            if (SoundFile.Length != 0)
+            {
+                mSoundEffect = contentManager.Load<SoundEffect>("Sounds/" + SoundFile);
+                mSoundEffectInstance = mSoundEffect.CreateInstance();
+            }
+        }
+
+        public void PlayOnce(Point position, Point size, IOptionsManager optionsManager)
+        {
+            mAnimationRectangle = new Rectangle(position - size / new Point(2, 2), size);
+            IsPlaying = true;
+            if (SoundFile.Length != 0)
+            {
+                mSoundEffectInstance.Volume = optionsManager.Options.GetEffectiveVolume();
+                mSoundEffectInstance.Play();
+            }
+        }
+
+        public void Update(GameTime gameTime)
+        {
+            if (!IsPlaying) return;
+            if (UpdatesPerSecond.IsItTime(gameTime))
+            {
+                if (mAnimationState < mTotalSprites)
+                {
+                    mAnimationState++;
+                }
+                else
+                {
+                    mAnimationState = 0;
+                    IsPlaying = false;
+                }
+            }
+        }
+
+        public void Draw(SpriteBatch spriteBatch)
+        {
+            if (!IsPlaying) return;
+            spriteBatch.Draw(mTexture, mAnimationRectangle, 
+                new Rectangle(new Point(mAnimationState % mSpritesPerRow * SpriteSize.X, mAnimationState / mSpritesPerRow * SpriteSize.Y), SpriteSize), 
+                Color.White);
+        }
+    }
+}
+\ No newline at end of file