;----------------[ Time system ]----------------

; tiles locations on HUD
!hud_min_low = $7EC7CC
!hud_min_high = $7EC7CA
!hud_hours_low = $7EC7C6
!hud_hours_high = $7EC7C4
!hud_template = $0DFF07

org !hud_template
	db $10,$24,$11,$24
  db $6C,$25
  db $90,$24,$90,$24
  db $6C,$25,$90,$24,$90,$24	; HUD Template(adjusts timer's color)
	
org $068361
	JSL HUD_ClockDisplay ; $1CFF30
  ;originally JSL $09B06E, executed every frame

; org $1CFF30
org $328000 ; Free space
HUD_ClockDisplay:
{
	JSR RunClock
	JSR DrawToHud
	JSL $09B06E ; Restore Garnish_ExecuteUpperSlots_long
	RTL
}

DrawToHud:
{
  LDX #$00
.debut
	LDY #$00 : LDA $7EE000,x

.debut2
	CMP #$0A : BMI .draw
	SBC #$0A : INY : BRA .debut2

.draw
	ADC #$90 : CPX #$01 : BEQ .minutes_low
	STA.l !hud_hours_low
  LDA #$30 : STA.l !hud_hours_low+1 ; white palette
	BRA .continue_draw ; 04

.minutes_low
	STA.l !hud_min_low
  LDA #$30 : STA.l !hud_min_low+1 ; white palette
.continue_draw
  TYA
	CLC : ADC #$90 : CPX #$01
	BEQ .minutes_high
	STA.l !hud_hours_high
  LDA #$30 : STA.l !hud_hours_high+1 ; white palette
	BRA .finish_draw ; 04

.minutes_high
	STA.l !hud_min_high 
  LDA #$30 : STA.l !hud_min_high+1 ; white palette
.finish_draw
	INX : CPX #$02 : BMI .debut
  RTS
}

;--------------------------------

RunClock:
{
    LDA $10			;checks current event in game
    CMP #$07		;dungeon/building?
    BEQ .counter_increasing
    CMP #$09		;overworld?
    BEQ .overworld
    CMP #$0B
    BEQ .overworld		;sub-area ? (under the bridge; zora domain...)
    CMP #$0E		;dialog box?
    BEQ .dialog
    RTS

  .overworld
    LDA $11
    CMP #$23		;hdma transfer? (warping)
    BNE .mosaic
  .mosaic
    CMP #$0D		;mosaic ?
    BMI .counter_increasing
    RTS

  .dialog
    LDA $11			;which kind of dialog? (to prevent the counter from increasing if save menu or item menu openned)
    CMP #$02		;NPC/signs speech
    BEQ .counter_increasing
    RTS

  .counter_increasing
    ; time speed (1,3,5,7,F,1F,3F,7F,FF) 
    ; #$3F is almost 1 sec = 1 game minute
    LDA $1A : AND #$3F ; 05
    BEQ .increase_minutes
  .end
    RTS

  .increase_minutes
    LDA $7EE001 : INC A : STA $7EE001
    CMP #$3C : BPL .increase_hours ; minutes = #60 ?
    RTS

  .increase_hours
    LDA #$00 : STA $7EE001
    LDA $7EE000 : INC A : STA $7EE000
    CMP #$18		; hours = #24 ?
    BPL .reset_hours

    ;check indoors/outdoors
    LDA $1B	: BEQ .outdoors0
    RTS

  .outdoors0
    JSL rom_to_buff		;update buffer palette
    JSL buff_to_eff		;update effective palette
    ;rain layer ?
    LDA $8C : CMP #$9F : BEQ .skip_bg_updt0
    LDA $8C : CMP #$9E : BEQ .skip_bg_updt0	; canopy layer ?
    CMP #$97 : BEQ .skip_bg_updt0	; fog layer?
    JSL $0BFE70		;update background color
    BRA .inc_hours_end
    
  .skip_bg_updt0			;prevent the sub layer from disappearing ($1D zeroed)
    JSL $0BFE72
  .inc_hours_end
    RTS

  .reset_hours
    LDA #$00 : STA $7EE000

    ;check indoors/outdoors
    LDA $1B	: BEQ .outdoors1
    RTS
  .outdoors1
    JSL rom_to_buff
    JSL buff_to_eff
    LDA $8C : CMP #$9F		;rain layer ?
    BEQ .skip_bg_updt1
    LDA $8C : CMP #$9E : BEQ .skip_bg_updt1	; canopy layer ?
    JSL $0BFE70		;update background color
    BRA .reset_end
    
  .skip_bg_updt1			;prevent the sub layer from disappearing ($1D zeroed)
    JSL $0BFE72
  .reset_end
    RTS
}

;-----------------------------------------------
;----[ Day / Night system * palette effect ]----
;-----------------------------------------------

!blue_value = $7EE010
!green_value = $7EE012
!red_value = $7EE014

!temp_value = $7EE016
!pal_color = $7EE018

org $02FF80		; free space on bank $02
buff_to_eff:
	JSR $C769	; $02:C65F -> palette buffer to effective routine
	RTL
  
rom_to_buff:
	JSR $AAF4	; $02:AAF4 -> change buffer palette of trees,houses,rivers,etc.
	JSR $C692	; $02:C692 -> rom to palette buffer for other colors
	RTL

; part of rom pal to buffer routine
;$1B/EF61 9F 00 C3 7E STA $7EC300,x[$7E:C422]
;$1B/EF3D 9F 00 C3 7E STA $7EC300,x[$7E:C412]
;$1B/EF84 9F 00 C3 7E STA $7EC300,x[$7E:C4B2]

org $1BEF3D
	JSL LoadDayNightPaletteEffect

org $1BEF61
	JSL LoadDayNightPaletteEffect

org $1BEF84
	JSL LoadDayNightPaletteEffect

org $0EEE25	; free space
LoadDayNightPaletteEffect:
{
    STA.l !pal_color

    CPX #$0041 : BPL .title_check
    STA $7EC300,X
    RTL
    
  .title_check
    LDA $10 : AND #$00FF
    CMP #$0002	; title or file select screen ?
    BPL .outin_check
    LDA.l !pal_color : STA $7EC300,X
    RTL

  .outin_check
    LDA $1B : AND #$00FF : BEQ .outdoors2
    LDA.l !pal_color
    STA $7EC300,X
    RTL

  .outdoors2
    PHX
    JSL ColorSubEffect
    PLX
    STA.l $7EC300,X
    RTL
}
;--------------------------------

ColorSubEffect:
{
	LDA $7EE000		; LDA #hours
	AND #$00FF
	CLC
	ADC $7EE000		; #hours * 2
	AND #$00FF
	TAX

.do_blue
	LDA.l !pal_color : AND #$7C00 : STA !blue_value
  ; substract amount to blue field based on a table
	SEC : SBC.l blue_table, X : STA !temp_value
	AND #$7C00		; mask out everything except the blue bits
	CMP !temp_value		; overflow ?
	BEQ .no_blue_sign_change

.blue_sign_change
	LDA #$0400		; LDA smallest blue value

.no_blue_sign_change
	STA.l !blue_value 

do_green:
	LDA !pal_color : AND #$03E0 : STA !green_value
	SEC : SBC.l green_table,x	; substract amount to blue field based on a table
	STA.l !temp_value
  ; mask out everything except the green bits
	AND #$03E0 : CMP !temp_value		; overflow ?
	BEQ .no_green_sign_change
  
.green_sign_change
	LDA #$0020		; LDA smallest green value

.no_green_sign_change
	STA.l !green_value
	
.do_red
	LDA.l !pal_color : AND #$001F : STA.l !red_value
	SEC : SBC.l red_table,x		; substract amount to red field based on a table
	STA.l !temp_value
	AND #$001F		; mask out everything except the red bits
	CMP !temp_value		; overflow ?
	BEQ .no_red_sign_change

.red_sign_change
	LDA #$0001		; LDA smallest red value

.no_red_sign_change
	STA.l !red_value

	LDA.l !blue_value
	ORA.l !green_value
	ORA.l !red_value
	
	RTL
}

; color_sub_tables : 24 * 2 bytes each = 48 bytes (2 bytes = 1 color sub for each hour)

blue_table:
	dw $1000, $1000, $1000, $1000
  dw $1000, $1000, $1000, $0800
  dw $0000, $0000, $0000, $0000
  dw $0000, $0000, $0000, $0000
  dw $0000, $0400, $0800, $0800
  dw $0800, $1000, $1000, $1000

green_table:
	dw $0100, $0100, $0100, $0100
  dw $0100, $00C0, $0080, $0040
  dw $0000, $0000, $0000, $0000
  dw $0000, $0000, $0000, $0000
  dw $0000, $0020, $0040, $0080
  dw $00C0, $0100, $0100, $0100

red_table:
	dw $0008, $0008, $0008, $0008
  dw $0008, $0006, $0004, $0002
  dw $0000, $0000, $0000, $0000
  dw $0000, $0000, $0000, $0000
  dw $0000, $0000, $0000, $0002
  dw $0004, $0006, $0008, $0008

BackgroundFix:
{
  BEQ .no_effect		;BRAnch if A=#$0000 (transparent bg)
	JSL ColorSubEffect
  
.no_effect:
	STA.l $7EC500
	STA.l $7EC300
	STA.l $7EC540
	STA.l $7EC340
	rtl
}

SubAreasFix:
{
	STA.l !pal_color
	PHX
	JSL ColorSubEffect
	PLX
	STA $7EC300
	STA $7EC340
	rtl
}


GlovesFix:
{
	STA.l !pal_color
	LDA $1B
	AND #$00FF
	BEQ .outdoors3
	LDA.l !pal_color
	STA $7EC4FA
	RTL

.outdoors3:
	PHX
	JSL ColorSubEffect
	PLX
	STA $7EC4FA
	RTL
}

CheckIfNight:
{
  LDA $7EE000 : CMP.b #$06
  BCC .night_time

.day_time
  LDA.l $7EF3C5

  RTL
.night_time

  LDA $7EE000 : CMP.b #$14
  BCS .day_time

  LDA.l $7EF3C5
  CLC
  ADC #$01
  RTL
}

warnpc $0EF3F9  ; free space

org $09C4E3
  JSL CheckIfNight


; $0BFE70 -> background color loading routine
;Background color write fix - 16 bytes
;$0B/FEB6 8F 00 C5 7E STA $7EC500
;$0B/FEBA 8F 00 C3 7E STA $7EC300
;$0B/FEBE 8F 40 C5 7E STA $7EC540
;$0B/FEC2 8F 40 C3 7E STA $7EC340

; Custom BG Color Mosaic Background Color fix
org $028464
  NOP #6

org $02AE92
  NOP #6

; org $0BFEB6 OLD HOOK
; ZS OW Expanded - ReplaceBGColor
org $2886B4 
	STA !pal_color
	JSL BackgroundFix
	;NOP #8

; ZS OW Expanded - CheckForChangeGraphicsTransitionLoad
org $2885F9
	JSL SubAreasFix

; Subareas background color fix (under the bridge; zora...)
;$0E/D601 8F 00 C3 7E STA $7EC300[$7E:C300]
;$0E/D605 8F 40 C3 7E STA $7EC340[$7E:C340]

org $0ED601
	JSL SubAreasFix

;--------------------------------
	
; Gloves color loading routine
;$1B/EE1B C2 30       REP #$30                
;$1B/EE1D AF 54 F3 7E LDA $7EF354[$7E:F354]   
;$1B/EE21 29 FF 00    AND #$00FF              
;$1B/EE24 F0 0F       BEQ $0F    [$EE35]      
;$1B/EE26 3A          DEC A                   
;$1B/EE27 0A          ASL A                   
;$1B/EE28 AA          TAX                     
;$1B/EE29 BF F5 ED 1B LDA $1BEDF5,x[$1B:EDF7] 
;$1B/EE2D 8F FA C4 7E STA $7EC4FA[$7E:C4FA]   
;$1B/EE31 8F FA C6 7E STA $7EC6FA[$7E:C6FA]   
;$1B/EE35 E2 30       SEP #$30                
;$1B/EE37 E6 15       INC $15    [$00:0015]   
;$1B/EE39 6B          RTL                     

org $1BEE2D
	JSL GlovesFix