Merge pull request #3116 from t3du/GetMaterialsNode

GetMaterialsNode

armory/Sources/armory/logicnode/GetMaterialsNode.hx

@@ -0,0 +1,35 @@
+package armory.logicnode;
+
+import iron.object.MeshObject;
+import iron.object.DecalObject;
+
+class GetMaterialsNode extends LogicNode {
+
+	public function new(tree: LogicTree) {
+		super(tree);
+	}
+
+	override function get(from: Int): Dynamic {
+
+		var object = inputs[0].get();
+
+		assert(Error, object != null, "The object input must not be null");
+
+		#if rp_decals
+		if (Std.isOfType(object, DecalObject)) {
+			var decal = cast(object, DecalObject);
+			return from == 0 ? [decal.material] : 1;
+		}
+		#end
+
+		if (Std.isOfType(object, MeshObject)) {
+			var mesh = cast(object, MeshObject);
+
+			if (mesh == null) return null;
+
+			return from == 0 ? mesh.materials : mesh.materials.length;
+		}
+
+		return null;
+	}
+}

armory/blender/arm/logicnode/material/LN_get_object_materials.py

@@ -0,0 +1,13 @@
+from arm.logicnode.arm_nodes import *
+
+class GetMaterialsNode(ArmLogicTreeNode):
+    """Returns the materials of the given object."""
+    bl_idname = 'LNGetMaterialsNode'
+    bl_label = 'Get Object Materials'
+    arm_version = 1
+
+    def arm_init(self, context):
+        self.add_input('ArmNodeSocketObject', 'Object')
+
+        self.add_output('ArmNodeSocketArray', 'Materials')
+        self.add_output('ArmIntSocket', 'Length')