ref: 10909e6b437f6c137c794337e94f32cdc7fe9eb4
dir: /engine/battle/move_effects/rain_dance.asm/
BattleCommand_StartRain: ; startrain ld a, WEATHER_RAIN ld [wBattleWeather], a ld a, 5 ld [wWeatherCount], a call AnimateCurrentMove ld hl, DownpourText jp StdBattleTextbox