More moves

Plugins/PkmnLib.Plugin.Gen7/Scripts/Side/LightScreenEffect.cs

@@ -1,7 +1,32 @@
+using PkmnLib.Static.Moves;
+
 namespace PkmnLib.Plugin.Gen7.Scripts.Side;
 
 [Script(ScriptCategory.Side, "light_screen")]
-public class LightScreenEffect : Script
+public class LightScreenEffect(int turns) : Script
 {
-    // TODO: Implement LightScreenEffect
+    private int _turns = turns;
+
+    /// <inheritdoc />
+    public override void ChangeIncomingMoveDamage(IExecutingMove move, IPokemon target, byte hit, ref uint damage)
+    {
+        if (move.UseMove.Category != MoveCategory.Special ||
+            // Critical hits are not affected by the barrier
+            move.GetHitData(target, hit).IsCritical)
+            return;
+        var battleData = target.BattleData;
+        // If not a 1v1 battle, damage reduction is only 1/3rd.
+        if (battleData?.Battle.PositionsPerSide > 1)
+            damage = (uint)(damage * (2.0f / 3.0f));
+        else
+            damage = (uint)(damage * 0.5f);
+    }
+
+    /// <inheritdoc />
+    public override void OnEndTurn(IBattle battle)
+    {
+        _turns -= 1;
+        if (_turns <= 0)
+            RemoveSelf();
+    }
 }