; variables
; 7EE00E - Rain Activator
; 7EE00D - Rain Deactivator (overridden if rain is activated before the deactivation occurs)
; 7EE00C - Activates the overlay animations and nonimmediate rain things
; 7EE00F - Activates thunder and indoor ambience (can be set at the same time as the Rain Activator)
; 7EE001 - Minutes in the time sequence script
; 7EE000 - Hours in the time sequence script
; 7EE00B - used to prevent my script from warping if rain is active, 0 allow rain disallow warp, 1 disallow rain allow warp 

;this is my loader for turning the rain on and off 
org $208100 ; executed on dungoen load (replaced an LDA $7EF3C5 which is read before we return)
Rain:
	lda $7EE00E
	bne .On
	lda $7EE00D
	bne .Off
	bra Rain_End
Rain_On:
	lda #$01
	sta $7EE00F
	sta $7EE00C
	lda #$00
	sta $7EE00E
	bra Rain_End
Rain_Off:
	lda #$00
	sta $7EE00F
	sta $7EE00C
	sta $7EE00D
	bra Rain_End
Rain_End:
	lda #$00
	sta $7EE00E
	sta $7EE00D
	lda $7EF3C5
	rtl

org $208200 ; these are executed every frame
RainOnTime:
	lda $7EE001
	cmp #$1E
	bne .End
	lda $7EE000
	cmp #$01
	bne .End
	lda $7EE00B
	bne .End
	lda #$01
	sta $7EE00E
	sta $7EE00F
RainOnTime_End:
	rtl

org $208300 ; these are executed every frame
RainOffTime:
	lda $7EE001
	cmp #$1E
	bne .End
	lda $7EE000
	cmp #$03
	bne .End
	lda #$01
	sta $7EE00D
RainOffTime_End:
	rtl

org $20C000 ; moved this function to expanded space to change it, don't think i needed to though :(
	LDA $8A
	CMP #$70
	BEQ BRANCH_EVIL_SWAMP
	LDA $7EE00F
	Beq BRANCH_SKIPMOVEMENT
BRANCH_EVIL_SWAMP:
	LDA $7EF2F0 ; If misery mire has been opened already, we’re done
	AND #$20
	BNE BRANCH_SKIPMOVEMENT
	LDA $1A ; Check the frame counter.
	CMP #$03 ; On the third frame do a flash of lightning.
	BEQ BRANCH_LIGHTNING
	CMP #$05
	BEQ BRANCH_NORMAL_LIGHT
	CMP #$24 ; On the #$24-th frame cue the thunder.
	BEQ BRANCH_THUNDER
	CMP #$2C ; On the #$2C-th frame bring the light back to normal.
	BEQ BRANCH_NORMAL_LIGHT
	CMP #$58 ; On the #$58-th frame cue the lightning
	BEQ BRANCH_LIGHTNING
	CMP #$5A ; On the #$5A-th frame 
	BNE BRANCH_MOVEOVERLAY
BRANCH_NORMAL_LIGHT:
	LDA #$72 ; Keep the screen semi-dark.
	BRA BRANCH_SETBRIGHTNESS
BRANCH_THUNDER:
	LDX #$36
	STX $012E ; Play the thunder sound when outdoors.
BRANCH_LIGHTNING:
	LDA #$32 ; Make the screen flash with lightning.
BRANCH_SETBRIGHTNESS:
	STA $9A
BRANCH_MOVEOVERLAY:
	LDA $1A ; if the first two bits are set, do nothing
	AND #$03
	BNE BRANCH_SKIPMOVEMENT
	LDA $0494 ; otherwise start moving some rain
	INC
	AND #$03
	STA $0494
	TAX
	LDA $E1
	CLC
	ADC $02A46D, X
; $01246D IN ROM
	STA $E1
	LDA $E7
	CLC
	ADC $02A471, X
; $012471
	STA $E7
BRANCH_SKIPMOVEMENT:
	RTL

org $02A4CD ; rain animating overlays, thunder lightning, darkness (can do immediate)
	jsl $20C000
	bra $59
org $02AC12 ; load overlays OW to OW
	lda $7EE00C
	nop #2
	beq $03
org $02AFFC ; load overlays dungeon to OW
	lda $7EE00C
	nop #06
	beq $03
org $02838C ; indoor ambience (can do immediate)
	lda $7EE00F
	nop #02
	beq $1e
org $02845D ; music routine 
	lda $7EE00C
	nop #02
	beq $02
org $0284EA ; outdoor ambience
	lda $7EE00C
	nop #2
	beq $02
org $02C463 ; overworld music routine, modified to use the 'Beginning' music if 7EE00C is not equal to zero (Rain activated)
	PHB
	PHK
	PLB
	REP #$10
	LDA #$02
	STA $00
	LDX #$0000
	LDA $7EE00C
	BNE $25
	LDY #$00C0
	LDA $7EF3C5
	CMP #$03
	BCS $1D
	LDY #$0080
	LDA $7EF359
	CMP #$02
	BCS $12
	LDA #$05
	STA $00
	LDY #$0040
	LDA $7EF3C5
	CMP #$02
	BCS $03
	LDY #$0000
	LDA $C303,Y
	STA $7F5B00,X
	INY
	INX
	CPX #$0040
	BNE $F2
	LDY #$0000
	LDA $C403,Y
	STA $7F5B00,X
	INX
	INY
	CPY #$0060
	BNE $F2
	LDA $00
	STA $7F5B80
	SEP #$10
	PLB
	RTL
org $02C303 ; Overworld beginning music for each OW Screen changes the music to use heavy rain outside of lost woods, and light rain inside
	db $25,$25,$13,$13,$13,$13,$13,$13
	db $25,$25,$13,$13,$13,$13,$13,$13
	db $13,$13,$13,$13,$13,$13,$13,$13
	db $13,$13,$13,$13,$13,$13,$13,$13
	db $13,$13,$13,$13,$13,$13,$13,$13
	db $13,$13,$13,$13,$13,$13,$13,$13
	db $13,$13,$13,$13,$13,$13,$13,$13
	db $13,$13,$13,$13,$13,$13,$13,$13

; executed on dungoen load
org $028356 ; replaced an LDA $7EF3C5 which is read before we return
	jsl $208100