;AGA FloodFill Demo
;------------------
;A demo of how you should use the FLOOD raster command.
;
;To exit the demo, press the left mouse button.

	opt	o+,c+

	INCLUDE	"exec/exec_lib.i"
	INCLUDE	"games/games_lib.i"
	INCLUDE	"games/games.i"

CALL	MACRO
	jsr	_LVO\1(a6)
	ENDM

	SECTION	"FloodFill",CODE

;===========================================================================;
;                             INITIALISE DEMO
;===========================================================================;

Start:	MOVEM.L	A0-A6/D1-D7,-(SP)
	move.l	($4).w,a6
	lea	GMS_Name(pc),a1
	moveq	#$00,d0
	CALL	OpenLibrary
	move.l	d0,GMS_Base
	beq.s	.Error_GMS

	move.l	GMS_Base(pc),a6
	sub.l	a0,a0
	CALL	SetUserPrefs

	lea	Screen(pc),a0
	CALL	Add_Screen
	tst.l	d0
	bne.s	.Error_Screen

	move.l	GS_MemPtr1(a0),a1
	lea	PackedPicFile(pc),a0
	moveq	#$00,d0
	CALL	SmartLoad
	tst.l	d0
	beq.s	.ReturnToDOS

	lea	Screen(pc),a0
	CALL	Show_Screen

	bsr.s	Main

.ReturnToDOS
	move.l	GMS_Base(pc),a6
	lea	Screen(pc),a0
	CALL	Delete_Screen	;Give back screen memory etc.
.Error_Screen
	move.l	GMS_Base(pc),a1
	move.l	($4).w,a6
	CALL	CloseLibrary
.Error_GMS
	MOVEM.L	(SP)+,A0-A6/D1-D7
	moveq	#$00,d0
	rts

;===========================================================================;
;                                MAIN CODE
;===========================================================================;

Main:
.Flood	CALL	Wait_OSVBL
	bsr.s	FloodFill
	tst.w	d0
	beq.s	.Flood

	CALL	Wait_LMB

	moveq	#0,d0	;Fade to black.
	moveq	#2,d1
	lea	Palette(pc),a1
	moveq	#$000000,d2
	moveq	#00,d3
	move.l	#128,d4
.Fade	CALL	Wait_OSVBL
	CALL	PaletteToColour
	tst.w	d0
	bne.s	.Fade
	rts

;===========================================================================;
;                               FLOOD FILL
;===========================================================================;

FloodFill:
	lea	Screen(pc),a0
	lea	RasterList(pc),a2
	cmp.w	#256,2(a2)
	bge.s	.done
	addq.w	#1,2(a2)
	CALL	Update_RasterLines
	moveq	#$00,d0
	rts

.done	moveq	#-1,d0
	rts

;===========================================================================;
;                                  DATA
;===========================================================================;

GMS_Name:
	dc.b	"games.library",0
	even
GMS_Base:
	dc.l	0

AMT_PLANES =	7

Screen:	dc.l	GSV1,0
	dc.l	0,0,0	;Screen_Mem1/2/3
	dc.l	0	;Screen link.
	dc.l	Palette	;Address of screen palette.
	dc.l	RasterList	;Address of rasterlist.
	dc.l	0	;Amt of colours in palette.
	dc.w	320,256	;Screen Width and Height.
	dc.w	320/8,256	;Picture Width/8 and Height.
	dc.w	AMT_PLANES	;Amt_Planes
	dc.w	0,0	;X/Y screen offset.
	dc.w	0,0	;X/Y picture offset.
	dc.l	0	;Special attributes.
	dc.w	LORES|COL24BIT	;Screen mode.
	dc.b	INTERLEAVED	;Screen type
	dc.b	0	;Reserved
	even

RasterList:
	WAITLINE 000
	FLOOD
	RASTEND

Palette	dc.l	$000000,$FFFFFF,$FAF5F2,$FAE8E7
	dc.l	$EEDED5,$E8D4C8,$DDC0AF,$D7B5A2
	dc.l	$D1AC96,$DCA491,$CBA38B,$C5997E
	dc.l	$BD8E74,$B5846A,$AD7A5F,$A57056
	dc.l	$9D674D,$955D44,$8C533B,$844B34
	dc.l	$7C432D,$743B26,$6C3320,$642D1B
	dc.l	$5C2616,$532010,$4A1D0C,$411A09
	dc.l	$381606,$2F1204,$260F02,$1D0C00
	dc.l	$AC783A,$A67139,$A06C39,$986638
	dc.l	$995F36,$906037,$8C5C36,$945733
	dc.l	$865735,$905030,$7E5133,$8D4B2E
	dc.l	$764B31,$6E4630,$8A462D,$64412B
	dc.l	$5D3D27,$593A24,$543822,$50351F
	dc.l	$4B341D,$47301A,$592218,$402D17
	dc.l	$382813,$3B2007,$302310,$2B200D
	dc.l	$331100,$430907,$3C0504,$2E0202
	dc.l	$B48038,$B7743D,$AE6350,$A85D4A
	dc.l	$A35644,$9E503E,$994A39,$944534
	dc.l	$9F4336,$8E3F30,$87412B,$87382A
	dc.l	$823628,$803226,$792C21,$72251C
	dc.l	$E1AB98,$DBA28C,$D79C89,$D29582
	dc.l	$CD8D7A,$C88672,$C27E6B,$BD7764
	dc.l	$B8705D,$B36A57,$BB5244,$AD4A3D
	dc.l	$C8594A,$7F7444,$847D49,$67271E
	dc.l	$6C2219,$651D15,$5E1711,$57130E
	dc.l	$500F0B,$4A0C09,$350303,$270000
	dc.l	$89874E,$8C8E53,$8C9358,$8E9D62
	dc.l	$C6904A,$9AA467,$CD9E51,$AFAE6F
	dc.l	$E3D765,$D5AE58,$BCAD78,$C1AC7C
	dc.l	$CBAA82,$D5A588,$EAA09B,$ECA7A2
	dc.l	$EDADA9,$EFB5B1,$F0BBB8,$F2C2BF
	dc.l	$F4CBC8,$F5D1CF,$F7D9D7,$FDF7F7

PackedPicFile:
	dc.b	"GAMESLIB:data/Yattering128.pak",0
	even