added a blueprint example generator

Roberto De Ioris · Roberto De Ioris · commit 5096b38e3508 · 2018-04-22T13:31:38.000+02:00
diff --git a/examples/blueprint_example_generator.py b/examples/blueprint_example_generator.py
@@ -0,0 +1,49 @@
+import unreal_engine as ue
+from unreal_engine.classes import BlueprintFactory, DirectionalLightComponent, K2Node_Event
+
+import time
+
+# create new blueprint from factory
+bpFactory = BlueprintFactory()
+bp = bpFactory.factory_create_new('/Game/test' + str(int(time.time())))
+
+# add intensity variable
+intensity = ue.blueprint_add_member_variable(bp, 'intensity', 'float')
+# set its visibility to True
+ue.blueprint_set_variable_visibility(bp, 'intensity', True)
+
+# add directional light component
+directLightComponent = ue.add_component_to_blueprint(bp,DirectionalLightComponent, "Directional_light")
+
+# add node variables (get) to the graph
+intensity_node = bp.UberGraphPages[0].graph_add_node_variable_get('intensity', None, 200, 100)
+directional_light_node = bp.UberGraphPages[0].graph_add_node_variable_get('Directional_light', None, 200, 0)
+
+# add the SetIntensity node (from DirectionalLightComponent)
+directional_light_set_intensity = bp.UberGraphPages[0].graph_add_node_call_function(DirectionalLightComponent.SetIntensity, 400, 0)
+
+# link variables
+intensity_node.node_find_pin('intensity').make_link_to(directional_light_set_intensity.node_find_pin('NewIntensity'))
+directional_light_node.node_find_pin('Directional_light').make_link_to(directional_light_set_intensity.node_find_pin('self'))
+
+# a commodity function for finding an event node
+def get_event_node(event_name):
+    for node in bp.UberGraphPages[0].Nodes:
+        if node.is_a(K2Node_Event):
+            if node.EventReference.MemberName == event_name:
+                return node
+
+# get the ReceiveBeginPlay event node
+begin_play_node = get_event_node('ReceiveBeginPlay')
+
+# link BeginPlay to SetIntensity
+begin_play_node.node_find_pin('then').make_link_to(directional_light_set_intensity.node_find_pin('execute'))
+
+# compile the blueprint
+ue.compile_blueprint(bp)
+
+# open related editor
+ue.open_editor_for_asset(bp)
+
+# spawn it
+ue.get_editor_world().actor_spawn(bp.GeneratedClass)
