switchable lore entries (closes #176)

maps/map.gd

@@ -29,9 +29,7 @@ func _physics_process(delta):
 		#Pause
 		if Input.is_action_just_pressed("pause") && !get_tree().paused:
 			var pause = PauseScreen.instance()
-			if lore_entries != null && !lore_entries.empty():
+			pause.lore_entries = lore_entries
-				var entry = lore_entries[randi() % lore_entries.size()]
-				pause.lore_entry = entry
 			get_parent().add_child(pause)
 		# restart level
 		if Input.is_action_just_pressed("restart"):

objects/hud/pause_screen.gd

@@ -1,6 +1,8 @@
 extends CanvasLayer
 
-var lore_entry: PackedScene = null
+var lore_entries: Array = []
+var current_lore: int = -1
+var can_switch_lore: bool = true
 
 onready var options_screen = $OptionsScreen
 onready var lore_container = $LoreContainer
@@ -10,9 +12,9 @@ func _ready():
 	get_tree().paused = true
 	$Body/Resume.grab_focus()
 	#Random lore
-	if lore_entry != null:
+	if lore_entries != null and not lore_entries.empty():
-		var lore = lore_entry.instance()
+		current_lore = randi() % lore_entries.size()
-		lore_container.add_child(lore)
+		_update_lore_entry()
 	#Pause music
 	Audio.ac_music.set_stream_paused(true)
 	Audio.ac_pause_music.play()
@@ -24,6 +26,24 @@ func _physics_process(delta):
 	
 	Console.print(get_tree().paused)
 
+func _input(event: InputEvent) -> void:
+	if can_switch_lore:
+		if event.is_action_pressed("ui_left"):
+			current_lore = posmod(current_lore - 1, lore_entries.size())
+			_update_lore_entry()
+			$MenuSounds.play_select_sound()
+		elif event.is_action_pressed("ui_right"):
+			current_lore = posmod(current_lore + 1, lore_entries.size())
+			_update_lore_entry()
+			$MenuSounds.play_select_sound()
+
+func _update_lore_entry() -> void:
+	if current_lore >= 0 and lore_entries != null and not lore_entries.empty():
+		for child in lore_container.get_children():
+			lore_container.remove_child(child)
+		var lore = lore_entries[current_lore].instance()
+		lore_container.add_child(lore)
+
 func _on_Resume_pressed():
 	unpause()
 
@@ -38,6 +58,7 @@ func _on_Restart_pressed():
 
 func _on_Settings_pressed():
 	$LoreContainer.visible = false
+	can_switch_lore = false
 	options_screen.focus()
 
 
@@ -54,6 +75,7 @@ func _on_OptionsScreen_exit():
 	options_screen.visible = false
 	$LoreContainer.visible = true
 	$Body/Settings.grab_focus()
+	can_switch_lore = true
 
 func unpause():
 	get_tree().paused = false

objects/hud/pause_screen.tscn

@@ -65,6 +65,8 @@ margin_left = 36.0
 margin_top = 1.0
 margin_right = 44.0
 margin_bottom = 9.0
+focus_neighbour_left = NodePath(".")
+focus_neighbour_right = NodePath(".")
 focus_neighbour_bottom = NodePath("../Restart")
 texture_focused = ExtResource( 3 )
 
@@ -75,7 +77,9 @@ margin_left = 32.0
 margin_top = 14.0
 margin_right = 40.0
 margin_bottom = 22.0
+focus_neighbour_left = NodePath(".")
 focus_neighbour_top = NodePath("../Resume")
+focus_neighbour_right = NodePath(".")
 focus_neighbour_bottom = NodePath("../Settings")
 texture_focused = ExtResource( 3 )
 
@@ -86,7 +90,9 @@ margin_left = 29.0
 margin_top = 27.0
 margin_right = 37.0
 margin_bottom = 35.0
+focus_neighbour_left = NodePath(".")
 focus_neighbour_top = NodePath("../Restart")
+focus_neighbour_right = NodePath(".")
 focus_neighbour_bottom = NodePath("../ExitLevel")
 texture_focused = ExtResource( 3 )
 
@@ -97,7 +103,9 @@ margin_left = 22.0
 margin_top = 40.0
 margin_right = 30.0
 margin_bottom = 48.0
+focus_neighbour_left = NodePath(".")
 focus_neighbour_top = NodePath("../Settings")
+focus_neighbour_right = NodePath(".")
 texture_focused = ExtResource( 3 )
 
 [node name="LoreContainer" type="MarginContainer" parent="."]