Port 2D demos to Godot 3.1

Opened them, saved all scenes, ran the project. Did necessary fixes here and there,
fixed some warnings (but some remain in bigger demos).

Did not port JRPG demo yet (#306) nor the two platformer demos.

Author: akien-mga

2d/dodge_the_creeps/HUD.tscn

@@ -4,63 +4,31 @@
 [ext_resource path="res://fonts/Xolonium-Regular.ttf" type="DynamicFontData" id=2]
 
 [sub_resource type="DynamicFont" id=1]
-
 size = 64
-use_mipmaps = false
-use_filter = false
 font_data = ExtResource( 2 )
-_sections_unfolded = [ "Font", "Settings" ]
 
 [sub_resource type="DynamicFont" id=2]
-
 size = 72
-use_mipmaps = false
-use_filter = false
 font_data = ExtResource( 2 )
-_sections_unfolded = [ "Font", "Settings" ]
 
 [sub_resource type="DynamicFont" id=3]
-
 size = 48
-use_mipmaps = false
-use_filter = false
 font_data = ExtResource( 2 )
-_sections_unfolded = [ "Font", "Settings" ]
 
 [node name="HUD" type="CanvasLayer"]
-
-layer = 1
-offset = Vector2( 0, 0 )
-rotation = 0.0
-scale = Vector2( 1, 1 )
-transform = Transform2D( 1, 0, 0, 1, 0, 0 )
 script = ExtResource( 1 )
 
-[node name="ScoreLabel" type="Label" parent="." index="0"]
-
+[node name="ScoreLabel" type="Label" parent="."]
 anchor_left = 0.5
-anchor_top = 0.0
 anchor_right = 0.5
-anchor_bottom = 0.0
 margin_left = -25.0
 margin_right = 25.0
 margin_bottom = 100.0
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 2
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 4
 custom_fonts/font = SubResource( 1 )
 text = "0"
 align = 1
-percent_visible = 1.0
-lines_skipped = 0
-max_lines_visible = -1
-_sections_unfolded = [ "Anchor", "Margin", "custom_fonts" ]
-
-[node name="MessageLabel" type="Label" parent="." index="1"]
 
+[node name="MessageLabel" type="Label" parent="."]
 anchor_left = 0.5
 anchor_top = 0.5
 anchor_right = 0.5
@@ -69,31 +37,17 @@ margin_left = -200.0
 margin_top = -150.0
 margin_right = 200.0
 margin_bottom = 50.0
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-mouse_filter = 2
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 4
 custom_fonts/font = SubResource( 2 )
 text = "Dodge the
 Creeps!"
 align = 1
 valign = 1
-percent_visible = 1.0
-lines_skipped = 0
-max_lines_visible = -1
-_sections_unfolded = [ "Anchor", "Margin", "custom_fonts" ]
 
-[node name="MessageTimer" type="Timer" parent="." index="2"]
-
-process_mode = 1
+[node name="MessageTimer" type="Timer" parent="."]
 wait_time = 2.0
 one_shot = true
-autostart = false
-
-[node name="StartButton" type="Button" parent="." index="3"]
 
+[node name="StartButton" type="Button" parent="."]
 anchor_left = 0.5
 anchor_top = 1.0
 anchor_right = 0.5
@@ -102,25 +56,8 @@ margin_left = -100.0
 margin_top = -200.0
 margin_right = 100.0
 margin_bottom = -100.0
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = false
-focus_mode = 2
-mouse_filter = 0
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
 custom_fonts/font = SubResource( 3 )
-toggle_mode = false
-enabled_focus_mode = 2
-shortcut = null
-group = null
 text = "Start"
-flat = false
-align = 1
-_sections_unfolded = [ "Anchor", "Margin", "Visibility", "custom_fonts" ]
 
 [connection signal="timeout" from="MessageTimer" to="." method="_on_MessageTimer_timeout"]
-
 [connection signal="pressed" from="StartButton" to="." method="_on_StartButton_pressed"]
-
-

2d/dodge_the_creeps/Main.tscn

@@ -8,105 +8,52 @@
 [ext_resource path="res://art/gameover.wav" type="AudioStream" id=6]
 
 [sub_resource type="Curve2D" id=1]
-
-bake_interval = 5.0
 _data = {
 "points": PoolVector2Array( 0, 0, 0, 0, 1.70602, 3.56798, 0, 0, 0, 0, 482.263, 3.26522, 0, 0, 0, 0, 480.489, 729.458, 0, 0, 0, 0, 0.794434, 732.118, 0, 0, 0, 0, 1.97066, 3.83263 )
 }
 
-[node name="Main" type="Node" index="0"]
-
+[node name="Main" type="Node"]
 script = ExtResource( 1 )
 Mob = ExtResource( 2 )
 
-[node name="ColorRect" type="ColorRect" parent="." index="0"]
-
-anchor_left = 0.0
-anchor_top = 0.0
-anchor_right = 0.0
-anchor_bottom = 0.0
+[node name="ColorRect" type="ColorRect" parent="."]
 margin_right = 486.0
 margin_bottom = 734.0
-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
 color = Color( 0.253451, 0.425288, 0.429412, 1 )
 
-[node name="Player" parent="." index="1" instance=ExtResource( 3 )]
+[node name="Player" parent="." instance=ExtResource( 3 )]
 
-[node name="MobTimer" type="Timer" parent="." index="2"]
-
-process_mode = 1
+[node name="MobTimer" type="Timer" parent="."]
 wait_time = 0.5
-one_shot = false
-autostart = false
-
-[node name="ScoreTimer" type="Timer" parent="." index="3"]
 
-process_mode = 1
-wait_time = 1.0
-one_shot = false
-autostart = false
+[node name="ScoreTimer" type="Timer" parent="."]
 
-[node name="StartTimer" type="Timer" parent="." index="4"]
-
-process_mode = 1
+[node name="StartTimer" type="Timer" parent="."]
 wait_time = 2.0
 one_shot = true
-autostart = false
-
-[node name="StartPosition" type="Position2D" parent="." index="5"]
 
+[node name="StartPosition" type="Position2D" parent="."]
 position = Vector2( 240, 450 )
-_sections_unfolded = [ "Transform" ]
-
-[node name="HUD" parent="." index="6" instance=ExtResource( 4 )]
-
-transform = Transform2D( 1, 0, 0, 1, 0, 0 )
 
-[node name="Music" type="AudioStreamPlayer" parent="." index="7"]
+[node name="HUD" parent="." instance=ExtResource( 4 )]
 
+[node name="Music" type="AudioStreamPlayer" parent="."]
 stream = ExtResource( 5 )
 volume_db = -8.0
-autoplay = false
-mix_target = 0
-bus = "Master"
-
-[node name="DeathSound" type="AudioStreamPlayer" parent="." index="8"]
 
+[node name="DeathSound" type="AudioStreamPlayer" parent="."]
 stream = ExtResource( 6 )
 volume_db = -5.0
-autoplay = false
-mix_target = 0
-bus = "Master"
-
-[node name="MobPath" type="Path2D" parent="." index="9"]
 
+[node name="MobPath" type="Path2D" parent="."]
 curve = SubResource( 1 )
 
-[node name="MobSpawnLocation" type="PathFollow2D" parent="MobPath" index="0"]
-
+[node name="MobSpawnLocation" type="PathFollow2D" parent="MobPath"]
 position = Vector2( 1.70602, 3.56798 )
 rotation = -0.000630111
-offset = 0.0
-h_offset = 0.0
-v_offset = 0.0
-rotate = true
-cubic_interp = true
-loop = true
-lookahead = 4.0
 
 [connection signal="hit" from="Player" to="." method="game_over"]
-
 [connection signal="timeout" from="MobTimer" to="." method="_on_MobTimer_timeout"]
-
 [connection signal="timeout" from="ScoreTimer" to="." method="_on_ScoreTimer_timeout"]
-
 [connection signal="timeout" from="StartTimer" to="." method="_on_StartTimer_timeout"]
-
 [connection signal="start_game" from="HUD" to="." method="new_game"]
-
-

2d/dodge_the_creeps/Mob.tscn

@@ -9,7 +9,6 @@
 [ext_resource path="res://art/enemySwimming_2.png" type="Texture" id=7]
 
 [sub_resource type="SpriteFrames" id=1]
-
 animations = [ {
 "frames": [ ExtResource( 2 ), ExtResource( 3 ) ],
 "loop": true,
@@ -28,55 +27,32 @@ animations = [ {
 } ]
 
 [sub_resource type="CapsuleShape2D" id=2]
-
-custom_solver_bias = 0.0
 radius = 34.8222
 height = 28.8308
 
 [node name="Mob" type="RigidBody2D"]
-
 input_pickable = true
-collision_layer = 1
 collision_mask = 0
-mode = 0
-mass = 1.0
-friction = 1.0
-bounce = 0.0
 gravity_scale = 0.0
-custom_integrator = false
-continuous_cd = 0
-contacts_reported = 0
-contact_monitor = false
-sleeping = false
-can_sleep = true
-linear_velocity = Vector2( 0, 0 )
 linear_damp = 0.1
-angular_velocity = 0.0
 angular_damp = 1.0
 script = ExtResource( 1 )
-_sections_unfolded = [ "Angular", "Collision", "Transform" ]
 __meta__ = {
 "_edit_group_": true
 }
 MIN_SPEED = 150
 MAX_SPEED = 250
 
-[node name="AnimatedSprite" type="AnimatedSprite" parent="." index="0"]
-
+[node name="AnimatedSprite" type="AnimatedSprite" parent="."]
 scale = Vector2( 0.75, 0.75 )
 frames = SubResource( 1 )
 animation = "swim"
+frame = 1
 playing = true
-_sections_unfolded = [ "Transform" ]
-
-[node name="Collision" type="CollisionShape2D" parent="." index="1"]
 
+[node name="Collision" type="CollisionShape2D" parent="."]
 rotation = 1.5708
 shape = SubResource( 2 )
-_sections_unfolded = [ "Transform", "Visibility" ]
-
-[node name="Visibility" type="VisibilityNotifier2D" parent="." index="2"]
-
-rect = Rect2( -10, -10, 20, 20 )
 
+[node name="Visibility" type="VisibilityNotifier2D" parent="."]
 

2d/dodge_the_creeps/Player.gd

@@ -13,7 +13,8 @@ func _ready():
 func start(pos):
 	position = pos
 	show()
-	$Collision.disabled = false
+	# Must be deferred as we can't change physics properties on a physics callback
+	$Collision.set_deferred("disabled", false)
 
 func _process(delta):
 	velocity = Vector2()
@@ -45,10 +46,8 @@ func _process(delta):
 		$AnimatedSprite.animation = "up"
 		$AnimatedSprite.flip_v = velocity.y > 0
 
-func _on_Player_body_entered( body ):
-	$Collision.disabled = true
+func _on_Player_body_entered(_body):
+	# Must be deferred as we can't change physics properties on a physics callback
+	$Collision.set_deferred("disabled", true)
 	hide()
 	emit_signal("hit")
-
-
-