ref: 376c64468bab8d162da43fc6e1b6f0942943cf43
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