Add/Get/Remove Group nodes

Sources/armory/logicnode/AddGroupNode.hx

@@ -0,0 +1,18 @@
+package armory.logicnode;
+
+class AddGroupNode extends LogicNode {
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run() {
+		var groupName:String = inputs[1].get();
+		
+		if (iron.Scene.active.groups.get(groupName) == null) {
+			iron.Scene.active.groups.set(groupName, []);
+		}
+
+		super.run();
+	}
+}

Sources/armory/logicnode/GetGroupNode.hx

@@ -0,0 +1,14 @@
+package armory.logicnode;
+
+class GetGroupNode extends LogicNode {
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function get(from:Int):Dynamic {
+		var groupName:String = inputs[0].get();
+
+		return iron.Scene.active.groups.get(groupName);
+	}
+}

Sources/armory/logicnode/RemoveGroupNode.hx

@@ -0,0 +1,16 @@
+package armory.logicnode;
+
+class RemoveGroupNode extends LogicNode {
+
+	public function new(tree:LogicTree) {
+		super(tree);
+	}
+
+	override function run() {
+		var groupName:String = inputs[1].get();
+		
+		iron.Scene.active.groups.remove(groupName);
+
+		super.run();
+	}
+}

blender/arm/logicnode/action_add_group.py

@@ -0,0 +1,17 @@
+import bpy
+from bpy.props import *
+from bpy.types import Node, NodeSocket
+from arm.logicnode.arm_nodes import *
+
+class AddGroupNode(Node, ArmLogicTreeNode):
+    '''Add Group node'''
+    bl_idname = 'LNAddGroupNode'
+    bl_label = 'Add Group'
+    bl_icon = 'GAME'
+
+    def init(self, context):
+        self.inputs.new('ArmNodeSocketAction', 'In')
+        self.inputs.new('NodeSocketString', 'Group')
+        self.outputs.new('ArmNodeSocketAction', 'Out')
+
+add_node(AddGroupNode, category='Action')

blender/arm/logicnode/action_remove_group.py

@@ -0,0 +1,17 @@
+import bpy
+from bpy.props import *
+from bpy.types import Node, NodeSocket
+from arm.logicnode.arm_nodes import *
+
+class RemoveGroupNode(Node, ArmLogicTreeNode):
+    '''Remove Group node'''
+    bl_idname = 'LNRemoveGroupNode'
+    bl_label = 'Remove Group'
+    bl_icon = 'GAME'
+
+    def init(self, context):
+        self.inputs.new('ArmNodeSocketAction', 'In')
+        self.inputs.new('NodeSocketString', 'Group')
+        self.outputs.new('ArmNodeSocketAction', 'Out')
+
+add_node(RemoveGroupNode, category='Action')

blender/arm/logicnode/value_get_group.py

@@ -0,0 +1,16 @@
+import bpy
+from bpy.props import *
+from bpy.types import Node, NodeSocket
+from arm.logicnode.arm_nodes import *
+
+class GetGroupNode(Node, ArmLogicTreeNode):
+    '''Get group node'''
+    bl_idname = 'LNGetGroupNode'
+    bl_label = 'Get Group'
+    bl_icon = 'GAME'
+
+    def init(self, context):
+        self.inputs.new('NodeSocketString', 'Name')
+        self.outputs.new('NodeSocketShader', 'Array')
+
+add_node(GetGroupNode, category='Value')