enforce level progression

autoloads/level_data.gd

@@ -1,7 +1,7 @@
 tool
 extends Node
 
-export var levels = [] setget set_levels
+export var levels: Array = [] setget set_levels
 
 func set_levels(value):
 	levels = value

menus/level_select_scholar.gd

@@ -24,6 +24,9 @@ onready var filled_shards: Node2D = $"%FilledShards"
 onready var shard_title: Label = $"%ShardTitle"
 onready var shard_arrow: Sprite = $"%ShardArrow"
 onready var animation_player: AnimationPlayer = $AnimationPlayer
+onready var boss_block: TextureRect = $"%BossBlock"
+onready var shards_block: HBoxContainer = $"%ShardsBlock"
+onready var shards_needed: Label = $"%ShardsNeeded"
 
 func _ready() -> void:
 	Fade.fade_in(0.4)
@@ -56,6 +59,22 @@ func _ready() -> void:
 #		_select_level(int(clamp(selected_level - 1, 0, LevelData.levels.size() - 1)))
 
 func _process(delta: float) -> void:
+	forward_arrow.visible = true
+	boss_block.visible = false
+	shards_block.visible = false
+	if selected_level + 1 < LevelData.levels.size():
+		var save := Save.current_file
+		var level: LevelEntry = LevelData.levels[selected_level + 1]
+		var shards := save.get_total_shards()
+		if save.get_total_shards() < level.shards_required:
+			forward_arrow.visible = false
+			boss_block.visible = false
+			shards_block.visible = true
+			shards_needed.text = str(level.shards_required)
+		if level.boss_required != "" and not save.levels[level.boss_required].completed:
+			forward_arrow.visible = false
+			shards_block.visible = false
+			boss_block.visible = true
 	# make SG disappear inside of cave
 	if player_position.offset >= in_cave.offset and player_position.offset <= out_cave.offset:
 		player_sprite.visible = false
@@ -69,9 +88,13 @@ func _input(event: InputEvent) -> void:
 			animation_player.play("show_stats")
 			made_selection = true
 		elif event.is_action_pressed("ui_right"):
-			_select_level(int(clamp(selected_level + 1, 0, LevelData.levels.size() - 1)))
+			var level = int(clamp(selected_level + 1, 0, LevelData.levels.size() - 1))
+			if _can_travel(level):
+				_select_level(level)
 		elif event.is_action_pressed("ui_left"):
-			_select_level(int(clamp(selected_level - 1, 0, LevelData.levels.size() - 1)))
+			var level = int(clamp(selected_level - 1, 0, LevelData.levels.size() - 1))
+			if _can_travel(level):
+				_select_level(level)
 	else: # player has selected level
 		if event.is_action_pressed("ui_accept"):
 			Game.current_level = selected_level
@@ -105,6 +128,16 @@ func _select_level(level_id: int) -> void:
 	# initiate animation
 	_travel_to_level(level.save_id)
 
+func _can_travel(index: int) -> bool:
+	var save := Save.current_file
+	var level: LevelEntry = LevelData.levels[index]
+	var shards := save.get_total_shards()
+	if save.get_total_shards() < level.shards_required:
+		return false
+	if level.boss_required != "":
+		return save.levels[level.boss_required].completed
+	return true
+
 func _travel_to_level(level_name: String) -> void:
 	# get path offset of target level
 	var target_level = level_path.get_node(level_name)

menus/level_select_scholar.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=19 format=2]
+[gd_scene load_steps=21 format=2]
 
 [ext_resource path="res://menus/level_select_scholar.gd" type="Script" id=1]
 [ext_resource path="res://graphics/level_select/world_map.png" type="Texture" id=2]
@@ -7,9 +7,11 @@
 [ext_resource path="res://graphics/hud/pause_arrow.png" type="Texture" id=5]
 [ext_resource path="res://ui/2ndpuberty_outline.tres" type="Material" id=6]
 [ext_resource path="res://shaders/wibble_wobble.gdshader" type="Shader" id=7]
+[ext_resource path="res://graphics/hud/deaths_head.png" type="Texture" id=8]
 [ext_resource path="res://shaders/1px_border.gdshader" type="Shader" id=9]
 [ext_resource path="res://graphics/collectibles/shard.png" type="Texture" id=10]
 [ext_resource path="res://objects/collectibles/shard.tscn" type="PackedScene" id=11]
+[ext_resource path="res://ui/2ndpuberty_scholar_outline.fnt" type="BitmapFont" id=12]
 [ext_resource path="res://graphics/hud/levelselect_arrow.png" type="Texture" id=14]
 
 [sub_resource type="Curve2D" id=1]
@@ -203,14 +205,15 @@ offset = 300.0
 [node name="CurrentLevel" type="HBoxContainer" parent="."]
 anchor_right = 1.0
 margin_bottom = 16.0
+theme = ExtResource( 4 )
 alignment = 1
 
 [node name="BackArrow" type="TextureRect" parent="CurrentLevel"]
 unique_name_in_owner = true
 material = SubResource( 2 )
-margin_left = 72.0
+margin_left = 61.0
 margin_top = 4.0
-margin_right = 78.0
+margin_right = 67.0
 margin_bottom = 12.0
 size_flags_vertical = 4
 texture = ExtResource( 5 )
@@ -219,9 +222,9 @@ flip_h = true
 [node name="LevelTitle" type="Label" parent="CurrentLevel"]
 unique_name_in_owner = true
 material = ExtResource( 6 )
-margin_left = 82.0
+margin_left = 71.0
 margin_top = 3.0
-margin_right = 173.0
+margin_right = 162.0
 margin_bottom = 13.0
 theme = ExtResource( 4 )
 text = "Verdant Hills"
@@ -230,14 +233,48 @@ valign = 1
 
 [node name="ForwardArrow" type="TextureRect" parent="CurrentLevel"]
 unique_name_in_owner = true
+visible = false
 material = SubResource( 3 )
-margin_left = 177.0
+margin_left = 164.0
 margin_top = 4.0
-margin_right = 183.0
+margin_right = 170.0
 margin_bottom = 12.0
 size_flags_vertical = 4
 texture = ExtResource( 5 )
 
+[node name="BossBlock" type="TextureRect" parent="CurrentLevel"]
+unique_name_in_owner = true
+visible = false
+margin_left = 169.0
+margin_top = 4.0
+margin_right = 176.0
+margin_bottom = 12.0
+size_flags_vertical = 4
+texture = ExtResource( 8 )
+
+[node name="ShardsBlock" type="HBoxContainer" parent="CurrentLevel"]
+unique_name_in_owner = true
+margin_left = 166.0
+margin_right = 195.0
+margin_bottom = 16.0
+
+[node name="Icon" type="TextureRect" parent="CurrentLevel/ShardsBlock"]
+margin_top = 2.0
+margin_right = 11.0
+margin_bottom = 13.0
+size_flags_vertical = 4
+texture = ExtResource( 10 )
+
+[node name="ShardsNeeded" type="Label" parent="CurrentLevel/ShardsBlock"]
+unique_name_in_owner = true
+modulate = Color( 0.933333, 0.247059, 0.247059, 1 )
+margin_left = 15.0
+margin_top = 3.0
+margin_right = 29.0
+margin_bottom = 13.0
+custom_fonts/font = ExtResource( 12 )
+text = "15"
+
 [node name="LevelStats" type="Panel" parent="."]
 visible = false
 margin_left = 40.0