[WIP] Song selection via touchscreen

Menu.gd

@@ -8,12 +8,16 @@ enum ChartDifficulty {EASY, BASIC, ADV, EXPERT, MASTER}
 
 var selected_genre: int = 0
 var selected_song: int = 0
+var selected_song_vis: int = 0
 var selected_song_delta: float = 0.0  # For floaty display scrolling
 var selected_song_speed: float = 0.25  # For floaty display scrolling
 var selected_difficulty = ChartDifficulty.ADV
 
+var touchrects = []
+
 var TitleFont := preload("res://assets/MenuTitleFont.tres")
 var GenreFont := preload("res://assets/MenuGenreFont.tres")
+var snd_interact := preload("res://assets/softclap.wav")
 
 func scan_library():
 	print("Scanning library")
@@ -47,44 +51,46 @@ func _ready():
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):
+	var diff = selected_song - (selected_song_vis + selected_song_delta)
+	selected_song_speed = sign(diff)*ease(abs(diff), 2)*10
 	selected_song_delta += selected_song_speed * delta
 	if selected_song_delta > 0.5:
 		selected_song_delta -= 1.0
-		selected_song += 1
+		selected_song_vis += 1
 	elif selected_song_delta < -0.5:
 		selected_song_delta += 1.0
-		selected_song -= 1
+		selected_song_vis -= 1
 	update()
 
 func draw_string_centered(font, position, string, color := Color.white):
 	draw_string(font, Vector2(position.x - font.get_string_size(string).x/2.0, position.y + font.get_ascent()), string, color)
 
 func draw_songtile(song_key, position, size, title_text:=false, difficulty=selected_difficulty, outline_px:=3):
-	# Draws from top left-corner.
+	# Draws from top left-corner. Returns Rect2 of the image (not the outline).
 	# Draw difficulty-colored outline
 	var diff_color := GameTheme.COLOR_DIFFICULTY[difficulty*2]
+	var rect := Rect2(position.x, position.y, size, size)
 	draw_rect(Rect2(position.x - outline_px, position.y - outline_px, size + outline_px*2, size + outline_px*2), diff_color)
-	draw_texture_rect(song_images[song_key], Rect2(position.x, position.y, size, size), false)
+	draw_texture_rect(song_images[song_key], rect, false)
 	# Draw track difficulty rating
 	draw_string_centered(GenreFont, Vector2(position.x+size-24, position.y+size-56), diffstr(song_defs[song_key]["chart_difficulties"][difficulty]), diff_color)
 	if title_text:
-		draw_string_centered(TitleFont, Vector2(position.x + size/2.0, position.y+size), song_defs[song_key]["title"], Color(0.95, 0.95, 1.0))
+		draw_string_centered(TitleFont, Vector2(position.x+size/2.0, position.y+size), song_defs[song_key]["title"], Color(0.95, 0.95, 1.0))
+	return rect
 
 func diffstr(difficulty: float):
 	# Convert .5 to +
 	return str(int(floor(difficulty))) + ("+" if fmod(difficulty, 1.0)>0.4 else "")
 
-func _draw():
-	var songs = len(song_defs)
+
+func _draw_song_select(center_x):
 	var size = 216
 	var spacer_x = 12
 	var spacer_y = 64
-	var outline_px = 3
-	var center_x = 0.0
 	var sel_scales := [1.0, 0.8, 0.64, 0.512, 0.4096]
 	var bg_scales := [0.64, 0.64, 0.64, 0.512, 0.4096]
-
 	var gy := -160.0
+
 	for g in len(genres):
 		var selected: bool = (g == selected_genre)
 		var base_scales = sel_scales if selected else bg_scales
@@ -107,33 +113,59 @@ func _draw():
 		draw_string_centered(GenreFont, Vector2(0, gy), genre)
 		var songslist = genres[genre]
 		var s = len(songslist)
-		var key = songslist[selected_song % s]
+		var key = songslist[selected_song_vis % s]
 		var y = gy + spacer_y
 		var x = -subsize/2.0
-		draw_songtile(key, Vector2(gx+x, y), subsize, selected, selected_difficulty)
-		for i in [1, 2, 3, 4]:
+		var r = draw_songtile(key, Vector2(gx+x, y), subsize, selected, selected_difficulty)
+		touchrects.append({rect=r, song_idx=selected_song_vis, genre_idx=g})
+
+		for i in range(1, len(base_scales)):
 			x += subsize + spacer_x
 			subsize = size * scales[i]
-			draw_songtile(songslist[(selected_song+i) % s], Vector2(gx+x, y), subsize)
+			r = draw_songtile(songslist[(selected_song_vis+i) % s], Vector2(gx+x, y), subsize)
+			touchrects.append({rect=r, song_idx=selected_song_vis+i, genre_idx=g})
 		subsize = size * scales[0]
 		x = -subsize/2.0
-		for i in [1, 2, 3, 4]:
+		for i in range(1, len(base_scales)):
 			x += subsize + spacer_x
 			subsize = size * scales[-i]
-			draw_songtile(songslist[(selected_song-i) % s], Vector2(gx-x - subsize, y), subsize)
-		gy += size + (spacer_y * 2)
+			r = draw_songtile(songslist[(selected_song_vis-i) % s], Vector2(gx-x - subsize, y), subsize)
+			touchrects.append({rect=r, song_idx=selected_song_vis-i, genre_idx=g})
+		gy += size*base_scales[0] + (spacer_y * 2)
+
+
+func _draw():
+	var songs = len(song_defs)
+	var size = 216
+	var outline_px = 3
+	var center_x = 0.0
+	touchrects = []
+	_draw_song_select(center_x)
+
+
+
+func touch_select_song(touchdict):
+	self.selected_genre = touchdict.genre_idx
+	self.selected_song = touchdict.song_idx
+	SFXPlayer.play(SFXPlayer.Type.NON_POSITIONAL, self, snd_interact)
 
 
 func _input(event):
-	if event.is_action_pressed("ui_right"):
+	if event is InputEventScreenTouch:
+		if event.pressed:
+			var pos = event.position - get_global_transform_with_canvas().get_origin()
+			for d in touchrects:
+				if d.rect.has_point(pos):
+					touch_select_song(d)
+	elif event.is_action_pressed("ui_right"):
 		selected_song += 1
-	if event.is_action_pressed("ui_left"):
+	elif event.is_action_pressed("ui_left"):
 		selected_song -= 1
-	if event.is_action_pressed("ui_up"):
+	elif event.is_action_pressed("ui_up"):
 		selected_genre = int(max(0, selected_genre - 1))
-	if event.is_action_pressed("ui_down"):
+	elif event.is_action_pressed("ui_down"):
 		selected_genre = int(min(1, selected_genre + 1))
-	if event.is_action_pressed("ui_page_up"):
+	elif event.is_action_pressed("ui_page_up"):
 		selected_difficulty = int(max(0, selected_difficulty - 1))
-	if event.is_action_pressed("ui_page_down"):
+	elif event.is_action_pressed("ui_page_down"):
 		selected_difficulty = int(min(4, selected_difficulty + 1))