ui: Add UI to disply ammo and info toasts

3 files changed, 76 insertions, 11 deletions

diff --git a/prefabs/test_arena.tscn b/prefabs/test_arena.tscn
index c84ae4b..f75e038 100644
--- a/prefabs/test_arena.tscn
+++ b/prefabs/test_arena.tscn
@@ -1,8 +1,9 @@
-[gd_scene load_steps=10 format=3 uid="uid://dlevowk0jrhlg"]
+[gd_scene load_steps=11 format=3 uid="uid://dlevowk0jrhlg"]
 
 [ext_resource type="Script" path="res://scripts/dungeon_manager.gd" id="1_dbsm0"]
 [ext_resource type="PackedScene" uid="uid://cc1m2a1obsyn4" path="res://addons/fpc/character.tscn" id="1_vc6b5"]
 [ext_resource type="Script" path="res://scripts/player.gd" id="2_puqns"]
+[ext_resource type="Script" path="res://scripts/ui.gd" id="4_mhgxx"]
 
 [sub_resource type="Environment" id="Environment_2poci"]
 background_color = Color(0.130548, 0.170599, 0.433834, 1)
@@ -93,10 +94,11 @@ in_air_momentum = false
 sprint_enabled = false
 crouch_enabled = false
 
-[node name="PlayerCam" type="Node3D" parent="Player"]
+[node name="PlayerCam" type="Node3D" parent="Player" node_paths=PackedStringArray("ui_control")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.5, 0)
 script = ExtResource("2_puqns")
 grapple_distance = 50.0
+ui_control = NodePath("../../CanvasLayer")
 
 [node name="Camera3D" type="Camera3D" parent="Player/PlayerCam"]
 current = true
@@ -120,5 +122,36 @@ shape = SubResource("BoxShape3D_r46wa")
 
 [node name="LevelContainer" type="Node3D" parent="."]
 
+[node name="CanvasLayer" type="CanvasLayer" parent="." node_paths=PackedStringArray("player")]
+script = ExtResource("4_mhgxx")
+player = NodePath("../Player/PlayerCam")
+
+[node name="Ammo" type="Label" parent="CanvasLayer"]
+anchors_preset = 3
+anchor_left = 1.0
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = -125.0
+offset_top = -71.0
+offset_right = -56.0
+offset_bottom = -48.0
+grow_horizontal = 0
+grow_vertical = 0
+text = "Ammo: 0"
+
+[node name="Toast" type="Label" parent="CanvasLayer"]
+anchors_preset = 7
+anchor_left = 0.5
+anchor_top = 1.0
+anchor_right = 0.5
+anchor_bottom = 1.0
+offset_left = -20.0
+offset_top = -134.0
+offset_right = 20.0
+offset_bottom = -111.0
+grow_horizontal = 2
+grow_vertical = 0
+
 [connection signal="area_entered" from="Player/PlayerCam/Area3D" to="Player/PlayerCam" method="_on_interactable_enter"]
 [connection signal="area_exited" from="Player/PlayerCam/Area3D" to="Player/PlayerCam" method="_on_interactable_exit"]
diff --git a/scripts/player.gd b/scripts/player.gd
index 3b1fb6a..bbcc4f4 100644
--- a/scripts/player.gd
+++ b/scripts/player.gd
@@ -6,6 +6,8 @@ extends Node3D
 
 @export var fire_rate: float = 0.1
 
+@export var ui_control: CanvasLayer
+
 enum State {
 	NO_GRAPPLE,
 	FREE,
@@ -24,7 +26,7 @@ var interactable: Node3D = null
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-	pass # Replace with function body.
+	assert(ui_control != null)
 	
 func do_grapple() -> void:
 	if Input.is_action_just_pressed("attack") and current_state == State.FREE:
@@ -61,12 +63,9 @@ func fire_weapon(delta: float) -> void:
 		
 		var end = ending_pos
 		if result:
-			print("Hit! ")
 			if result.collider.has_method("on_hit"):
 				result.collider.on_hit(result.position)
 			end = result.position
-		else:
-			print("Miss")
 			
 		var bullet: Node3D = bullet_inst.instantiate()
 		bullet.position = starting_pos
@@ -78,20 +77,24 @@ func fire_weapon(delta: float) -> void:
 		bullet.look_at(end, up)
 		
 		ammo -= 1
-		print("Ammo: ", ammo)
 		fire_timer = 0
 	else:
 		fire_timer += delta
 
 func do_interact() -> void:
+	if interactable != null and not ui_control.have_toast():
+		ui_control.set_toast("Press E to interact", 0)
+	elif interactable == null and not ui_control.have_toast():
+		ui_control.set_toast("", 0)
+		
 	if Input.is_action_just_pressed("interact") and interactable != null:
 		if interactable.has_method("get_contents"):
 			var contents = interactable.get_contents()
 			if contents > 0:
 				ammo += contents
-				print("Got ", contents, " ammo!")
+				ui_control.set_toast("Got " + str(contents) + " ammo!", 1)
 			else:
-				print("Empty container")
+				ui_control.set_toast("Empty container", 1)
 
 func _physics_process(delta: float) -> void:
 	do_grapple()
@@ -102,10 +105,8 @@ func _physics_process(delta: float) -> void:
 func _process(_delta: float) -> void:
 	pass
 
-
 func _on_interactable_enter(body: Node3D) -> void:
 	interactable = body
-	print("Got interactable")
 
 func _on_interactable_exit(body: Node3D) -> void:
 	if interactable == body:
diff --git a/scripts/ui.gd b/scripts/ui.gd
new file mode 100644
index 0000000..eaf2d0c
--- /dev/null
+++ b/scripts/ui.gd
@@ -0,0 +1,31 @@
+extends CanvasLayer
+
+@export var player: Node3D
+
+var timeout: float = 0
+var timeout_counter: float = 0
+
+# Called when the node enters the scene tree for the first time.
+#func _ready() -> void:
+#	pass # Replace with function body.
+
+func have_toast() -> bool:
+	return timeout > 0
+
+func set_toast(text: String, p_timeout: float) -> void:
+	$Toast.text = text
+	
+	if p_timeout != 0:
+		timeout = p_timeout
+		timeout_counter = 0
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	$Ammo.text = "Ammo " + str(player.ammo)
+	
+	if timeout > 0:
+		if timeout_counter < timeout:
+			timeout_counter += delta
+		else:
+			$Toast.text = ""
+			timeout = 0