More actor harvesting fixes.

Apparently, I forgot about the `requires_actor` property. Oops! That has
been corrected along with an oversight in the PythonFileMod nodes.

korman/nodes/node_avatar.py

@@ -67,3 +67,7 @@ class PlasmaSittingBehaviorNode(PlasmaNodeBase, bpy.types.Node):
                 sitmod.addNotifyKey(i.get_key(exporter, so))
             else:
                 exporter.report.warn("'{}' Node '{}' doesn't expose a key. It won't be triggered by '{}'!".format(i.bl_idname, i.name, self.name), indent=3)
+
+    @property
+    def requires_actor(self):
+        return True

korman/nodes/node_conditions.py

@@ -144,13 +144,13 @@ class PlasmaClickableNode(idprops.IDPropObjectMixin, PlasmaNodeBase, bpy.types.N
         else:
             return (None, parent_so)
 
-    def harvest_actors(self, bo):
-        actors = set()
-        if self.clickable_object is not None:
-            actors.add(self.clickable_object.name)
-        else:
-            actors.add(bo.name)
-        return actors
+    def harvest_actors(self):
+        if self.clickable_object:
+            yield self.clickable_object.name
+
+    @property
+    def requires_actor(self):
+        return self.clickable_object is None
 
     @classmethod
     def _idprop_mapping(cls):

korman/nodes/node_core.py

@@ -220,7 +220,7 @@ class PlasmaNodeBase:
         """Generates valid sockets on this node type that can be linked to a specific node's socket."""
         return []
 
-    def harvest_actors(self, bo):
+    def harvest_actors(self):
         return set()
 
     def link_input(self, node, out_key, in_key):
@@ -466,12 +466,12 @@ class PlasmaNodeTree(bpy.types.NodeTree):
                 return node
         return None
 
-    def harvest_actors(self, bo):
+    def harvest_actors(self):
         actors = set()
         for node in self.nodes:
             harvest_method = getattr(node, "harvest_actors", None)
             if harvest_method is not None:
-                actors.update(harvest_method(bo))
+                actors.update(harvest_method())
             elif not isinstance(node, PlasmaNodeBase):
                 raise ExportError("Plasma Node Tree '{}' Node '{}': is not a valid node for this tree".format(self.id_data.name, node.name))
         return actors
@@ -480,6 +480,10 @@ class PlasmaNodeTree(bpy.types.NodeTree):
     def poll(cls, context):
         return (context.scene.render.engine == "PLASMA_GAME")
 
+    @property
+    def requires_actor(self):
+        return any((node.requires_actor for node in self.nodes))
+
 
 # Welcome to HAXland!
 # Blender 2.79 is great in that it allows us to have ID Datablock pointer properties everywhere.

korman/nodes/node_logic.py

@@ -84,8 +84,8 @@ class PlasmaExcludeRegionNode(idprops.IDPropObjectMixin, PlasmaNodeBase, bpy.typ
             self.raise_error("Region must be set")
         return self._find_create_key(plExcludeRegionModifier, exporter, bl=self.region_object)
 
-    def harvest_actors(self, bo):
-        return [i.safepoint.name for i in self.find_input_sockets("safe_points") if i.safepoint is not None]
+    def harvest_actors(self):
+        return (i.safepoint.name for i in self.find_input_sockets("safe_points") if i.safepoint is not None)
 
     def export(self, exporter, bo, parent_so):
         excludergn = self.get_key(exporter, parent_so).object

korman/nodes/node_messages.py

@@ -561,18 +561,18 @@ class PlasmaOneShotMsgNode(idprops.IDPropObjectMixin, PlasmaMessageWithCallbacks
         else:
             return self._find_create_key(plOneShotMod, exporter, so=so)
 
-    def harvest_actors(self, bo):
-        actors = set()
+    def harvest_actors(self):
         if self.pos_object:
-            actors.add(self.pos_object.name)
-        else:
-            actors.add(bo.name)
-        return actors
+            yield self.pos_object.name
 
     @property
     def has_callbacks(self):
         return bool(self.marker)
 
+    @property
+    def requires_actor(self):
+        return self.pos_object is None
+
     @classmethod
     def _idprop_mapping(cls):
         return {"pos_object": "pos"}

korman/nodes/node_python.py

@@ -394,14 +394,13 @@ class PlasmaPythonFileNode(PlasmaVersionedNode, bpy.types.Node):
                         "socket_name":  attrib["name"],
                         "socket_text": attrib["name"] }
 
-    def harvest_actors(self, bo):
-        actors = set()
-        actors.add(bo.name)
-
-        so_nodes = (i.links[0].from_node for i in self.inputs
-                    if i.is_linked and i.attribute_type in {"ptAttribSceneobject", "ptAttribSceneobjectList"})
-        actors.update((i.target_object for i in so_nodes if i.target_object is not None))
-        return actors
+    def harvest_actors(self):
+        for i in self.inputs:
+            if not i.is_linked or i.attribute_type not in {"ptAttribSceneobject", "ptAttribSceneobjectList"}:
+                continue
+            node = i.links[0].from_node
+            if node.target_object is not None:
+                yield node.target_object.name
 
     @property
     def key_name(self):
@@ -422,6 +421,10 @@ class PlasmaPythonFileNode(PlasmaVersionedNode, bpy.types.Node):
         if not is_init and new_pos != old_pos:
             self.inputs.move(old_pos, new_pos)
 
+    @property
+    def requires_actor(self):
+        return True
+
     @contextmanager
     def NoUpdate(self):
         self.no_update = True

korman/properties/modifiers/logic.py

@@ -66,9 +66,13 @@ class PlasmaAdvancedLogic(PlasmaModifierProperties):
         actors = set()
         for i in self.logic_groups:
             if i.node_tree is not None:
-                actors.update(i.node_tree.harvest_actors(self.id_data))
+                actors.update(i.node_tree.harvest_actors())
         return actors
 
+    @property
+    def requires_actor(self):
+        return any((i.node_tree.requires_actor for i in self.logic_groups if i.node_tree))
+
 
 class PlasmaSpawnPoint(PlasmaModifierProperties):
     pl_id = "spawnpoint"

korman/properties/modifiers/region.py

@@ -120,10 +120,13 @@ class PlasmaCameraRegion(PlasmaModifierProperties):
                 raise ExportError("Camera Modifier '{}' does not specify a valid camera object".format(self.id_data.name))
             actors.update(self.camera_object.data.plasma_camera.settings.harvest_actors())
         else:
-            actors.add(self.id_data.name)
             actors.update(self.auto_camera.harvest_actors())
         return actors
 
+    @property
+    def requires_actor(self):
+        return self.camera_type == "auto_follow"
+
 
 class PlasmaFootstepRegion(PlasmaModifierProperties, PlasmaModifierLogicWiz):
     pl_id = "footstep"