ref: c7bb2d15cfb32a5e965933b90e0acb497c7bf7b2
dir: /engine/battle/move_effects/sunny_day.asm/
BattleCommand_StartSun: ; 37c07 ; startsun ld a, WEATHER_SUN ld [wBattleWeather], a ld a, 5 ld [wWeatherCount], a call AnimateCurrentMove ld hl, SunGotBrightText jp StdBattleTextBox ; 37c1a