@tool
extends Node2D
const SHEET = preload("res://games/frogger/art/spr_frogger.png")
const CHARACTERS := "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-"
var game: Node
var atlas: ImageTexture
var regions: Dictionary = {}
var source: Image
func _ready() -> void:
	game = get_parent().get_parent()
	source = SHEET.get_image()
	source.convert(Image.FORMAT_RGBA8)
	for i in range(8): register("frog%d"%i,Rect2i(1+i*18,1,16,16))
	for i in range(2): register("attract%d"%i,Rect2i(1+i*18,98,16,16))
	for i in range(7): register("death%d"%i,Rect2i(1+i*18,80,16,16))
	for i in range(5): register("car%d"%i,Rect2i(1+i*18,116,32 if i==4 else 16,16))
	for i in range(3): register("log%d"%i,Rect2i(1+i*18,134,16,16))
	for i in range(5): register("turtle%d"%i,Rect2i(1+i*18,152,16,16))
	for i in range(5): register("letter%d"%i,Rect2i(1+i*18,232,16,16))
	register("home",Rect2i(1,188,32,24))
	register("hedge",Rect2i(35,188,8,24))
	register("saved",Rect2i(45,196,16,16))
	register("bank",Rect2i(135,196,16,16))
	for color in range(5):
		for i in range(CHARACTERS.length()):
			register("font%d_%s"%[color,CHARACTERS[i]],Rect2i(1+(i%17)*9,250+color*28+int(i/17)*9,8,8))
	atlas = ImageTexture.create_from_image(source)
	source = null

func register(name: String,area: Rect2i) -> void:
	regions[name] = Rect2(area)
	# Flood only border-connected black/gray padding; preserve enclosed dark detail.
	var pending: Array[Vector2i] = []
	for x in range(area.size.x):
		pending.append(Vector2i(x,0))
		pending.append(Vector2i(x,area.size.y-1))
	for y in range(area.size.y):
		pending.append(Vector2i(0,y))
		pending.append(Vector2i(area.size.x-1,y))
	var seen: Dictionary = {}
	while not pending.is_empty():
		var p: Vector2i = pending.pop_back()
		if p.x<0 or p.y<0 or p.x>=area.size.x or p.y>=area.size.y or seen.has(p): continue
		seen[p] = true
		var pixel := source.get_pixelv(area.position+p)
		var key := pixel.is_equal_approx(Color.BLACK) or pixel.is_equal_approx(Color("404040")) or pixel.a == 0
		if not key: continue
		source.set_pixelv(area.position+p,Color.TRANSPARENT)
		for offset in [Vector2i.LEFT,Vector2i.RIGHT,Vector2i.UP,Vector2i.DOWN]: pending.append(p+offset)

func sprite(name: String,point: Vector2) -> void:
	var region: Rect2 = regions[name]
	draw_texture_rect_region(atlas,Rect2(point.round(),region.size),region)
func text_at(value: String,point: Vector2,color: int = 0) -> void:
	for i in range(value.length()):
		var key := "font%d_%s"%[color,value[i]]
		if regions.has(key): sprite(key,point+Vector2(i*8,0))
func label(value: String,y: float,color: int = 0) -> void:
	text_at(value,Vector2((224-value.length()*8)/2.0,y),color)
func title() -> void:
	var t: float = game.attract_time
	for i in range(7):
		var age: float = t - .5 - i*4
		if age < 0: continue
		var x: float = 28+i*24
		var y := 136.0
		if age < 3.5:
			x = lerpf(232,x,floorf(age*12)/42.0)
			sprite("attract1",Vector2(x,y))
		elif t < 29:
			sprite("attract0",Vector2(x,y))
		elif t < 33:
			y = lerpf(136,55,floorf((t-29)*12)/48.0)
			sprite("frog%d"%(int(t*6)%2),Vector2(x,y))
		elif t < 33+i*.45:
			sprite("attract0",Vector2(x,55))
		else:
			sprite("letter%d"%[0,1,2,3,3,4,1][i],Vector2(x,55))
	if t >= 36: label("-POINT TABLE-",89)
	if t >= 37: label("10 PTS FOR EACH STEP",115,1)
	if t >= 38:
		label("50 PTS FOR EVERY FROG",139,1)
		label("ARRIVED HOME SAFELY",151,2)
	if t >= 39:
		label("1000 PTS FOR FIVE",177,1)
		label("FROGS HOME",189,1)
	if int(t*2)%2 == 0: label("PUSH START",219,4)
	label("FREE PLAY",247,4)
func board() -> void:
	for x in range(0,224,8): sprite("hedge",Vector2(x,24))
	for i in range(5):
		draw_rect(Rect2(game.HOME_X[i]-16,24,32,24),Color("000047"))
		sprite("home",Vector2(game.HOME_X[i]-16,24))
		if game.homes[i]: sprite("saved",Vector2(game.HOME_X[i]-8,32))
	for y in [128,224]:
		for x in range(0,224,16): sprite("bank",Vector2(x,y))
	for lane in game.lanes:
		var y: float = 232-lane.row*16-8
		for x in game.lane_objects(lane):
			match lane.kind:
				"car": sprite("car%d"%lane.sprite,Vector2(x,y))
				"log":
					var tiles := int(lane.width/16)
					for i in range(tiles): sprite("log%d"%(0 if i==0 else (2 if i==tiles-1 else 1)),Vector2(x+i*16,y))
				"turtle":
					if game.submerged(lane): continue
					var frame := int(game.clock*5)%3
					if lane.sprite == 1 and fposmod(game.clock,7.0)>5:
						frame = 3 if fposmod(game.clock,7.0)<5.4 else 4
					for i in range(int(lane.width/16)): sprite("turtle%d"%frame,Vector2(x+i*16,y))
	if game.phase == "dead":
		var frame := clampi(int((1.1-game.phase_time)*7),0,6)
		sprite("death%d"%frame,game.frog-Vector2(8,8))
	elif game.phase not in ["home","clear","won","lost"]:
		sprite("frog%d"%(game.direction*2+(1 if game.hop_left>0 else 0)),game.frog-Vector2(8,8))
	for i in range(mini(game.lives,6)): sprite("frog0",Vector2(i*12,239))
	var fraction: float = clampf(game.time_left/game.crossing_time,0,1)
	draw_rect(Rect2(88,248,104*fraction,8),Color("e00000") if fraction<.167 else Color("00c000"))
	text_at("TIME",Vector2(192,248),1)
	if game.phase == "ready": label("PLAYER 1",135,2)
	if game.phase == "clear": label("FIVE FROGS HOME",135,1)
	if game.phase == "won": label("YOU WIN",135,1)
	if game.phase == "lost": label("GAME OVER",135,2)
	if game.demo_active and int(game.demo_time*2)%2 == 0: label("GAME OVER",135,2)
func _draw() -> void:
	if game == null or atlas == null: return
	draw_rect(Rect2(0,0,224,256),Color.BLACK)
	draw_rect(Rect2(0,0,224,128),Color("000047"))
	text_at("1-UP",Vector2(24,0))
	text_at("HI-SCORE",Vector2(104,0))
	text_at("%05d"%game.score,Vector2(16,8),2)
	text_at("%05d"%game.high_score,Vector2(112,8),2)
	if game.phase == "title": title()
	elif game.phase == "scores":
		label("HIGH SCORES",55,1)
		for i in range(5): label("%d  %05d"%[i+1,game.leaderboard[i]] if i<game.leaderboard.size() else "%d  -----"%(i+1),88+i*20)
		label("PUSH START",218,4)
	else: board()