ref: 2e90df15b76050c825f6c0b96c88453feec8f3dd
dir: /engine/battle/move_effects/sunny_day.asm/
BattleCommand_StartSun: ; startsun ld a, WEATHER_SUN ld [wBattleWeather], a ld a, 5 ld [wWeatherCount], a call AnimateCurrentMove ld hl, SunGotBrightText jp StdBattleTextbox