Added a resource property.

game/addons/world_generator/ui/ResourcePropertyList.gd

@@ -1,6 +1,8 @@
 tool
 extends ScrollContainer
 
+var EditorResourceWidget : PackedScene = preload("res://addons/world_generator/widgets/EditorResourceWidget.tscn")
+
 var _edited_resource : WorldGenBaseResource = null
 var properties : Array = Array()
 
@@ -22,6 +24,27 @@ func add_slot_label(getter : String, setter : String, slot_name : String) -> int
 	
 	return add_slot(getter, setter, l)
 
+func add_slot_resource(getter : String, setter : String, slot_name : String, resource_type : String = "Resource") -> int:
+	var bc : HBoxContainer = HBoxContainer.new()
+	bc.set_h_size_flags(SIZE_EXPAND_FILL)
+	
+	var l : Label = Label.new()
+	l.text = slot_name
+	bc.add_child(l)
+	
+	var r : Control = EditorResourceWidget.instance()
+	r.set_resource_type(resource_type)
+	r.set_resource(_edited_resource.call(getter))
+	r.set_h_size_flags(SIZE_EXPAND_FILL)
+	
+	bc.add_child(r)
+	
+	var slot_idx : int =  add_slot(getter, setter, bc)
+	
+	r.connect("on_resource_changed", self, "on_widget_resource_changed", [ slot_idx ])
+	
+	return slot_idx
+
 func add_slot_line_edit(getter : String, setter : String, slot_name : String, placeholder : String = "") -> int:
 	var bc : HBoxContainer = HBoxContainer.new()
 	bc.set_h_size_flags(SIZE_EXPAND_FILL)
@@ -35,7 +58,7 @@ func add_slot_line_edit(getter : String, setter : String, slot_name : String, pl
 	le.set_h_size_flags(SIZE_EXPAND_FILL)
 	bc.add_child(le)
 	
-	var slot_idx : int =  add_slot(getter, setter, bc)
+	var slot_idx : int = add_slot(getter, setter, bc)
 	
 	le.text = _edited_resource.call(getter)
 	
@@ -307,6 +330,9 @@ func on_slot_enum_item_selected(val : int, slot_idx : int) -> void:
 func on_slot_line_edit_text_entered(text : String, slot_idx : int) -> void:
 	_edited_resource.call(properties[slot_idx][2], text)
 
+func on_widget_resource_changed(res : Resource, slot_idx : int) -> void:
+	_edited_resource.call(properties[slot_idx][2], res)
+
 func clear() -> void:
 	properties.clear()
 

game/addons/world_generator/widgets/EditorResourceWidget.gd

@@ -0,0 +1,77 @@
+tool
+extends HBoxContainer
+
+var _resource_type : String = "Resource"
+var _resource : Resource = null
+
+signal on_resource_changed(new_res)
+
+func _enter_tree():
+	$ResourceButton.set_drag_forwarding(self)
+
+func set_resource_type(type : String) -> void:
+	_resource_type = type
+	
+func set_resource(res : Resource) -> void:
+	if res && !res.is_class(_resource_type):
+		return
+
+	var emit : bool = res != _resource
+
+	_resource = res
+	
+	refresh_ui()
+	
+	if emit:
+		emit_signal("on_resource_changed", _resource)
+
+func refresh_ui() -> void:
+	if _resource:
+		var text : String = _resource.resource_name
+		
+		if text == "":
+			text = _resource.get_class()
+			
+		$ResourceButton.text = text
+	else:
+		$ResourceButton.text = "[null]"
+
+func on_clear_button_pressed() -> void:
+	if _resource:
+		set_resource(null)
+
+func on_resource_button_pressed() -> void:
+	if _resource:
+		#todo
+		pass
+
+#examples
+#{files:[res://modules/planets/test_planet/test_world.tres], from:@@4176:[Tree:9070], type:files}
+#{from:Button:[Button:917001], resource:[Resource:26180], type:resource}
+
+func can_drop_data_fw(position, data, from_control):
+	return true
+	
+func drop_data_fw(position, data, from_control):
+	if data["type"] == "resource":
+		var res : Resource = data["resource"]
+		set_resource(res)
+	elif data["type"] == "files":
+		var files : Array = data["files"]
+		
+		for f in files:
+			var res : Resource = load(f)
+			set_resource(res)
+			return
+
+func get_drag_data_fw(position, from_control):
+	if !_resource:
+		return
+		
+	var d : Dictionary = Dictionary()
+	
+	d["from"] = self
+	d["resource"] = _resource
+	d["type"] = "resource"
+	
+	return d

game/addons/world_generator/widgets/EditorResourceWidget.tscn

@@ -0,0 +1,26 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://addons/world_generator/widgets/EditorResourceWidget.gd" type="Script" id=1]
+
+[node name="EditorResourceWidget" type="HBoxContainer"]
+margin_right = 376.0
+margin_bottom = 40.0
+script = ExtResource( 1 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="ResourceButton" type="Button" parent="."]
+margin_right = 342.0
+margin_bottom = 40.0
+size_flags_horizontal = 3
+
+[node name="Clear" type="Button" parent="."]
+margin_left = 346.0
+margin_right = 376.0
+margin_bottom = 40.0
+rect_min_size = Vector2( 30, 0 )
+text = "X"
+
+[connection signal="pressed" from="ResourceButton" to="." method="on_resource_button_pressed"]
+[connection signal="pressed" from="Clear" to="." method="on_clear_button_pressed"]