Implements Chlorophyll

Scripts/Abilities/DoubleSpeedInWeather.as

@@ -0,0 +1,17 @@
+namespace Gen7 {
+    [Ability effect=DoubleSpeedInWeather]
+    class DoubleSpeedInWeather : PkmnScript {
+        string _weather;
+
+        void OnInitialize(const BattleLibrary@ library, const narray<EffectParameter@>@ parameters) override {
+            _weather = parameters[0].AsString();
+        }
+
+        void ChangeSpeed(BaseTurnChoice@ choice, uint &inout speed) override {
+            auto weather = choice.User.Battle.GetWeatherName();
+            if (weather == _weather) {
+                speed *= 2;
+            }
+        };
+    }
+}

Scripts/Interfaces/PkmnScript.as

@@ -36,6 +36,7 @@ shared abstract class PkmnScript {
 	void ModifyDamageModifier(ExecutingMove@, Pokemon@, uint8, float &inout){};
 	void OverrideDamage(ExecutingMove@, Pokemon@, uint8, uint &inout){};
 	void OverrideIncomingDamage(ExecutingMove@, Pokemon@, uint8, uint &inout){};
+	void ChangeSpeed(BaseTurnChoice@, uint &inout){};
 	void ChangePriority(MoveTurnChoice@, int8 &inout){};
 	void OnFail(Pokemon@){};
 	void OnOpponentFail(Pokemon@){};