mods/acidrain

-------abilities.js---------
exports.BattleAbilities = {
	"chlorophyll": {
		inherit: true,
		onModifySpe: function (speMod) {
			if (this.isWeather('sunnyday') || this.isWeather('raindance')) {
				return this.chain(speMod, 2);
			}
		}
	},
	"drought": {
		inherit: true,
		onStart: function (source) {
			this.setWeather('raindance');
		}
	},
	"flowergift": {
		inherit: true,
		onUpdate: function (pokemon) {
			if (!pokemon.isActive || pokemon.speciesid !== 'cherrim') return;
			if (this.isWeather('sunnyday') || this.isWeather('raindance')) {
				if (this.effectData.forme !== 'Sunshine') {
					this.effectData.forme = 'Sunshine';
					this.add('-formechange', pokemon, 'Cherrim-Sunshine');
					this.add('-message', pokemon.name + ' transformed! (placeholder)');
				}
			} else {
				if (this.effectData.forme) {
					delete this.effectData.forme;
					this.add('-formechange', pokemon, 'Cherrim');
					this.add('-message', pokemon.name + ' transformed! (placeholder)');
				}
			}
		},
		onAllyModifyAtk: function (atk) {
			if (this.effectData.target.template.speciesid !== 'cherrim') return;
			if (this.isWeather('sunnyday') || this.isWeather('raindance')) {
				return this.chainModify(1.5);
			}
		},
		onAllyModifySpD: function (spd) {
			if (this.effectData.target.template.speciesid !== 'cherrim') return;
			if (this.isWeather('sunnyday') || this.isWeather('raindance')) {
				return this.chainModify(1.5);
			}
		}
	},
	"harvest": {
		inherit: true,
		onResidual: function (pokemon) {
			if (this.isWeather('sunnyday') || this.isWeather('raindance') || this.random(2) === 0) {
				if (pokemon.hp && !pokemon.item && this.getItem(pokemon.lastItem).isBerry) {
					pokemon.setItem(pokemon.lastItem);
					this.add('-item', pokemon, pokemon.getItem(), '[from] ability: Harvest');
				}
			}
		}
	},
	"icebody": {
		inherit: true,
		onWeather: function (target, source, effect) {
			if (effect.id === 'hail' || effect.id === 'raindance') {
				this.heal(target.maxhp / 16);
			}
		}
	},
	"leafguard": {
		inherit: true,
		onSetStatus: function (pokemon) {
			if (this.isWeather('sunnyday') || this.isWeather('raindance')) {
				return false;
			}
		},
		onTryHit: function (target, source, move) {
			if (move && move.id === 'yawn' && (this.isWeather('sunnyday') || this.isWeather('raindance'))) {
				return false;
			}
		}
	},
	"sandforce": {
		inherit: true,
		onBasePower: function (basePower, attacker, defender, move) {
			if (this.isWeather('sandstorm') || this.isWeather('raindance')) {
				if (move.type === 'Rock' || move.type === 'Ground' || move.type === 'Steel') {
					this.debug('Sand Force boost');
					return this.chainModify([0x14CD, 0x1000]); // The Sand Force modifier is slightly higher than the normal 1.3 (0x14CC)
				}
			}
		},
	},
	"sandrush": {
		inherit: true,
		onModifySpe: function (speMod, pokemon) {
			if (this.isWeather('sandstorm') || this.isWeather('raindance')) {
				return this.chain(speMod, 2);
			}
		},
	},
	"sandstream": {
		inherit: true,
		onStart: function (source) {
			this.setWeather('raindance');
		}
	},
	"sandveil": {
		inherit: true,
		onAccuracy: function (accuracy) {
			if (typeof accuracy !== 'number') return;
			if (this.isWeather('sandstorm') || this.isWeather('raindance')) {
				this.debug('Sand Veil - decreasing accuracy');
				return accuracy * 0.8;
			}
		},
	},
	"snowcloak": {
		inherit: true,
		onAccuracy: function (accuracy) {
			if (typeof accuracy !== 'number') return;
			if (this.isWeather('hail') || this.isWeather('raindance')) {
				this.debug('Snow Cloak - decreasing accuracy');
				return accuracy * 0.8;
			}
		}
	},
	"snowwarning": {
		inherit: true,
		onStart: function (source) {
			this.setWeather('raindance');
		}
	},
	"solarpower": {
		inherit: true,
		onModifySpA: function (spa, pokemon) {
			if (this.isWeather('sunnyday') || this.isWeather('raindance')) {
				return this.chainModify(1.5);
			}
		},
		onWeather: function (target, source, effect) {
			if (effect.id === 'sunnyday' || effect.id === 'raindance') {
				this.damage(target.maxhp / 8);
			}
		}
	}
};
-------statuses.js---------
exports.BattleStatuses = {
	raindance: {
		effectType: 'Weather',
		duration: 5,
		onBasePower: function (basePower, attacker, defender, move) {
			if (move.type === 'Water') {
				this.debug('acid rain water supress');
				return this.chainModify(0.75);
			}
			if (move.type === 'Fire') {
				this.debug('acid rain fire suppress');
				return this.chainModify(0.75);
			}
		},
		onModifySpDPriority: 10,
		onModifySpD: function (spd, pokemon) {
			if (pokemon.hasType('Rock') && this.isWeather('RainDance')) {
				return this.modify(spd, 1.5);
			}
		},
		onImmunity: function (type) {
			if (type === 'frz') return false;
		},
		onStart: function (battle, source, effect) {
			if (effect && effect.effectType === 'Ability' && this.gen <= 5) {
				this.effectData.duration = 0;
				this.add('-weather', 'RainDance', '[from] ability: ' + effect, '[of] ' + source);
			} else {
				this.add('-weather', 'RainDance');
			}
		},
		onResidualOrder: 1,
		onResidual: function () {
			this.add('-weather', 'RainDance', '[upkeep]');
			this.eachEvent('Weather');
		},
		onWeather: function (target) {
			if (target.runImmunity('sandstorm') && target.runImmunity('hail')) {
				this.damage(target.maxhp / 8);
			} else if ((!target.runImmunity('sandstorm') && target.runImmunity('hail')) || (target.runImmunity('sandstorm') && !target.runImmunity('hail'))) {
				this.damage(target.maxhp / 16);
			}

		},
		onEnd: function () {
			this.add('-weather', 'none');
		}
	}
};
-------moves.js---------
exports.BattleMovedex = {
	"blizzard": {
		inherit: true,
		onModifyMove: function (move) {
			if (this.isWeather('hail') || this.isWeather('raindance')) move.accuracy = true;
		}
	},
	"growth": {
		inherit: true,
		onModifyMove: function (move) {
			if (this.isWeather('sunnyday') || this.isWeather('raindance')) move.boosts = {atk: 2, spa: 2};
		}
	},
	"hail": {
		inherit: true,
		weather: 'raindance'
	},
	"moonlight": {
		inherit: true,
		onHit: function (pokemon) {
			if (this.isWeather('sunnyday')) this.heal(this.modify(pokemon.maxhp, 0.667));
			else if (this.isWeather(['sandstorm', 'hail'])) this.heal(this.modify(pokemon.maxhp, 0.25));
			else if (this.isWeather('raindance')) this.heal(this.modify(pokemon.maxhp, 0.0833));
			else this.heal(this.modify(pokemon.maxhp, 0.5));
		}
	},
	"morningsun": {
		inherit: true,
		onHit: function (pokemon) {
			if (this.isWeather('sunnyday')) this.heal(this.modify(pokemon.maxhp, 0.667));
			else if (this.isWeather(['sandstorm', 'hail'])) this.heal(this.modify(pokemon.maxhp, 0.25));
			else if (this.isWeather('raindance')) this.heal(this.modify(pokemon.maxhp, 0.0833));
			else this.heal(this.modify(pokemon.maxhp, 0.5));
		}
	},
	"sandstorm": {
		inherit: true,
		weather: 'raindance'
	},
	"solarbeam": {
		inherit: true,
		onTry: function (attacker, defender, move) {
			if (attacker.removeVolatile(move.id)) {
				return;
			}
			this.add('-prepare', attacker, move.name, defender);
			if (this.isWeather('sunnyday') || this.isWeather('raindance') || !this.runEvent('ChargeMove', attacker, defender, move)) {
				this.add('-anim', attacker, move.name, defender);
				return;
			}
			attacker.addVolatile('twoturnmove', defender);
			return null;
		},
		onBasePower: function (basePower, pokemon, target) {
			if (this.isWeather(['sandstorm', 'hail'])) {
				this.debug('weakened by weather');
				return this.chainModify(0.5);
			} else if (this.isWeather('raindance')) {
				this.debug('super-weakened by weather');
				return this.chainModify(0.125);
			}
		}
	},
	"sunnyday": {
		inherit: true,
		weather: 'raindance'
	},
	"synthesis": {
		inherit: true,
		onHit: function (pokemon) {
			if (this.isWeather('sunnyday')) this.heal(this.modify(pokemon.maxhp, 0.667));
			else if (this.isWeather(['sandstorm', 'hail'])) this.heal(this.modify(pokemon.maxhp, 0.25));
			else if (this.isWeather('raindance')) this.heal(this.modify(pokemon.maxhp, 0.0833));
			else this.heal(this.modify(pokemon.maxhp, 0.5));
		}
	},
	"weatherball": {
		inherit: true,
		basePowerCallback: function () {
			if (this.isWeather('raindance')) return 800; //We have 4 weathers active at once.
			else if (this.weather) return 100;
			return 50;
		},
		onModifyMove: function (move) {
			switch (this.effectiveWeather()) {
			case 'sunnyday':
				move.type = 'Fire';
				break;
			case 'raindance':
				move.type = 'Ice'; //Hail is the highest priority weather.
				break;
			case 'sandstorm':
				move.type = 'Rock';
				break;
			case 'hail':
				move.type = 'Ice';
				break;
			}
		}
	}
};