attached script to NPC_static

added simple interaction script to NPC
added a basic ingame UI
added ui into World
tagged player as player

scenes/InGameUI.tscn

@@ -0,0 +1,41 @@
+[gd_scene format=2]
+
+[node name="InGameUI" type="CanvasLayer"]
+
+pause_mode = 2
+layer = 1
+offset = Vector2( 0, 0 )
+rotation = 0.0
+scale = Vector2( 1, 1 )
+transform = Transform2D( 1, 0, 0, 1, 0, 0 )
+
+[node name="Container" type="Container" parent="." index="0"]
+
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+rect_pivot_offset = Vector2( 0, 0 )
+rect_clip_content = false
+mouse_filter = 0
+mouse_default_cursor_shape = 0
+size_flags_horizontal = 1
+size_flags_vertical = 1
+
+[node name="DialogWindow" type="PopupDialog" parent="Container" index="0"]
+
+anchor_left = 0.0
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+margin_top = -180.0
+rect_pivot_offset = Vector2( 0, 0 )
+rect_clip_content = false
+mouse_filter = 0
+mouse_default_cursor_shape = 0
+size_flags_horizontal = 1
+size_flags_vertical = 1
+popup_exclusive = true
+_sections_unfolded = [ "Popup" ]
+
+

scenes/NPC_static.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=4 format=2]
+[gd_scene load_steps=5 format=2]
 
-[ext_resource path="res://images/troll.png" type="Texture" id=1]
+[ext_resource path="res://scripts/NPC_base.gd" type="Script" id=1]
+[ext_resource path="res://images/troll.png" type="Texture" id=2]
 
 [sub_resource type="RectangleShape2D" id=1]
 
@@ -12,7 +13,7 @@ extents = Vector2( 29.9994, 40.5807 )
 custom_solver_bias = 0.0
 extents = Vector2( 60.0752, 66.6499 )
 
-[node name="NPC" type="StaticBody2D" index="0"]
+[node name="NPC" type="StaticBody2D"]
 
 input_pickable = false
 collision_layer = 4
@@ -21,6 +22,7 @@ constant_linear_velocity = Vector2( 0, 0 )
 constant_angular_velocity = 0.0
 friction = 1.0
 bounce = 0.0
+script = ExtResource( 1 )
 
 [node name="npc_collision" type="CollisionShape2D" parent="." index="0"]
 
@@ -29,7 +31,6 @@ shape = SubResource( 1 )
 
 [node name="interact_area" type="Area2D" parent="." index="1"]
 
-editor/display_folded = true
 scale = Vector2( 0.4, 0.4 )
 input_pickable = true
 gravity_vec = Vector2( 0, 1 )
@@ -48,7 +49,11 @@ shape = SubResource( 2 )
 [node name="Sprite" type="Sprite" parent="." index="2"]
 
 scale = Vector2( 0.4, 0.4 )
-texture = ExtResource( 1 )
+texture = ExtResource( 2 )
 hframes = 3
 
+[connection signal="body_entered" from="interact_area" to="." method="_on_body_entered"]
+
+[connection signal="body_exited" from="interact_area" to="." method="_on_body_exited"]
+
 

scenes/Player.tscn

@@ -3,7 +3,9 @@
 [ext_resource path="res://scripts/Player.gd" type="Script" id=1]
 [ext_resource path="res://images/test_char.png" type="Texture" id=2]
 
-[node name="Player" type="KinematicBody2D"]
+[node name="Player" type="KinematicBody2D" groups=[
+"player",
+]]
 
 input_pickable = false
 collision_layer = 1
@@ -19,6 +21,7 @@ position = Vector2( 0.00320625, -0.00740051 )
 scale = Vector2( 0.403093, 0.403093 )
 build_mode = 0
 polygon = PoolVector2Array( -26.5097, -40.0408, -36.4849, -29.9804, -36.3144, 14.9503, -16.4493, 40.016, 18.5063, 40.016, 36.4956, 14.9503, 36.4956, -4.82946, 23.4512, -39.9556 )
+_sections_unfolded = [ "Transform" ]
 
 [node name="Sprite" type="Sprite" parent="CollisionPolygon2D" index="0"]
 

scenes/World.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=4 format=2]
+[gd_scene load_steps=5 format=2]
 
 [ext_resource path="res://resources/tiles.res" type="TileSet" id=1]
 [ext_resource path="res://scenes/NPC_static.tscn" type="PackedScene" id=2]
 [ext_resource path="res://scenes/Player.tscn" type="PackedScene" id=3]
+[ext_resource path="res://scenes/InGameUI.tscn" type="PackedScene" id=4]
 
 [node name="World" type="Node2D" index="0"]
 
@@ -61,4 +62,6 @@ position = Vector2( 544.265, 95.9369 )
 
 Speed = 20
 
+[node name="InGameUI" parent="." index="3" instance=ExtResource( 4 )]
+
 

scripts/NPC_base.gd

@@ -0,0 +1,40 @@
+extends Node2D
+
+# "onready" is a keyword that makes sure that the variable assignment
+#  happens *after* _ready() runs. 
+# the $"" notation is a shorthand for getting a node. 
+# a longer way would be to write get_node("/root")
+onready var DialogWindow = $"/root".find_node("InGameUI", true, false)
+
+# start off not ready for interaction, gotta wait until the player is near us
+var interact_ready = false
+
+
+func _process(delta):
+	
+	# if we're ready for interaction then we should check every frame if "interact" has been pressed
+	if interact_ready and Input.is_action_just_pressed("interact"):
+		print("INTERACTION")
+
+
+# this function gets called when a physics body enters into the interact_area node's area
+#  if you look in the scene inspector (in the NPC_static scene) you'll see that the interact_area
+#  node has a little wifi signal icon. that means that it has a signal coming out of it attached
+#  to another node. click on it to look at the signal's panel
+func _on_body_entered(body):
+	
+	# in godot you can set a node to be in a group (in the signal panel)
+	# this checks to see if the body entering the area is in the "player" group
+	if body.is_in_group("player"):
+		
+		# if the player is this close to us, then we should be ready to interact
+		interact_ready = true
+
+
+# as you may have guessed, this function runs when a physics body exits the interact area
+func _on_body_exited(body):
+	
+	if body.is_in_group("player"):
+		
+		# the player is leaving our vicinity, so we're not ready for interacting
+		interact_ready = false