End space effect (#22)

constants/cgb_pal_constants.asm

@@ -130,4 +130,5 @@ DEF NUM_PREDEF_PALS EQU const_value
 	const RGBFADE_TO_BLACK_6BGP
 	const RGBFADE_TO_LIGHTER_6BGP
 	const RGBFADE_TO_WHITE_6BGP_2OBP
+	const RGBFADE_TO_WHITE_8BGP_8OBP
 DEF NUM_RGB_FADE_EFFECTS EQU const_value

constants/script_constants.asm

@@ -330,3 +330,8 @@ DEF NUM_UNOWN_PUZZLES EQU const_value
 	const BOARDEVENT_HANDLE_BOARD ; 2
 	const BOARDEVENT_END_TURN     ; 3
 DEF NUM_BOARD_EVENTS EQU const_value - 1
+
+; exitoverworld arguments
+	const_def
+	const ABANDONED_LEVEL ; 0
+	const CLEARED_LEVEL   ; 1

engine/board/menu.asm

@@ -56,7 +56,7 @@ BoardMenuScript::
 
 .exit:
 	wait 300
-	exitoverworld $00
+	exitoverworld ABANDONED_LEVEL
 
 .ConfirmExitText:
 	text "Abandon level and"

engine/board/spaces.asm

@@ -43,8 +43,25 @@ MinigameSpaceScript::
 	end
 
 EndSpaceScript::
+; fading out will kick before reaching HandleMapBackground, so update sprites after any change
+	scall ArriveToRegularSpaceScript
+	wait 400
+	playmusic MUSIC_TRAINER_VICTORY
+	wait 600
+	callasm .FadeOutSlow ; 800 ms
+	wait 400
+	exitoverworld CLEARED_LEVEL
 	end
 
+.FadeOutSlow:
+; clear spaces left sprites
+	ld hl, wDisplaySecondarySprites
+	res SECONDARYSPRITES_SPACES_LEFT_F, [hl]
+	farcall _UpdateSprites
+; fade out slow to white
+	ld b, RGBFADE_TO_WHITE_8BGP_8OBP
+	jp DoRGBFadeEffect
+
 GreySpaceScript::
 	scall ArriveToRegularSpaceScript
 	iftrue .not_landed
@@ -69,9 +86,15 @@ ArriveToRegularSpace:
 	ld [hScriptVar], a
 ; if landed, clear spaces left sprites
 	and a
-	ret nz
+	jr nz, .not_landed
 	ld hl, wDisplaySecondarySprites
 	res SECONDARYSPRITES_SPACES_LEFT_F, [hl]
+.not_landed
+; if End Space, update sprites
+	ld a, [wPlayerTile]
+	cp COLL_END_SPACE
+	ret nz
+	farcall _UpdateSprites
 	ret
 
 LandedInRegularSpaceScript:

engine/gfx/rgb_fade.asm

@@ -275,9 +275,10 @@ _DoRGBFadeEffect::
 RGBFadeEffectJumptable:
 ; entries correspond to RGBFADE_* constants (see constants/cgb_pal_constants.asm)
 	table_width 2, RGBFadeEffectJumptable
-	dw _RGBFadeToBlack_6BGP
-	dw _RGBFadeToLighter_6BGP
-	dw _RGBFadeToWhite_6BGP_2OBP
+	dw _RGBFadeToBlack_6BGP      ; RGBFADE_TO_BLACK_6BGP
+	dw _RGBFadeToLighter_6BGP    ; RGBFADE_TO_LIGHTER_6BGP
+	dw _RGBFadeToWhite_6BGP_2OBP ; RGBFADE_TO_WHITE_6BGP_2OBP
+	dw _RGBFadeToWhite_8BGP_8OBP ; RGBFADE_TO_WHITE_8BGP_8OBP
 	assert_table_length NUM_RGB_FADE_EFFECTS
 
 _RGBFadeToBlack_6BGP:
@@ -344,4 +345,35 @@ _RGBFadeToWhite_6BGP_2OBP:
 	pop bc
 	dec c
 	jr nz, .loop
-	ret
+	ret
+
+_RGBFadeToWhite_8BGP_8OBP:
+	ld c, 32 / 2
+.loop
+	push bc
+
+; fade BGP to white
+	ld de, wBGPals2
+	ld c, 8 * NUM_PAL_COLORS
+	call FadeStepColorsToWhite
+
+; commit pals
+	ld a, TRUE
+	ldh [hCGBPalUpdate], a
+	call DelayFrame
+
+; fade OBP to white
+	ld de, wOBPals2
+	ld c, 8 * NUM_PAL_COLORS
+	call FadeStepColorsToWhite
+
+; commit pals and apply delay
+	ld a, TRUE
+	ldh [hCGBPalUpdate], a
+	ld c, 2
+	call DelayFrames
+
+	pop bc
+	dec c
+	jr nz, .loop
+	ret

engine/menus/game_menu.asm

@@ -14,6 +14,8 @@ GameMenu:
 GameMenu_KeepMusic:
 	xor a
 	ldh [hMapAnims], a
+	ldh [hSCX], a
+	ldh [hSCY], a
 	call ClearTilemap
 	call LoadFrame
 	call LoadStandardFont

engine/overworld/map_objects.asm

@@ -3080,7 +3080,7 @@ InitSprites:
 
 _UpdateSecondarySprites::
 ; this is a shorter _UpdateSprites for when only secondary sprites have changed since the last sprites update,
-; but NOT expanded, which would require to displace primary (NPC) sprites in OAM.
+; but NOT expanded or shrinked, which would require to displace primary (NPC) sprites in OAM.
 ; if it is detected that the size of secondary sprites has increased in the end,
 ; fall back to calling _UpdateSprites to avoid corruption.
 	ld a, [wVramState]