Add named animation EnumProperty

Adds a needed animation picker for new named animations for the Python script texture node. Code borrowed from node_messages.py

korman/nodes/node_python.py

@@ -852,6 +852,34 @@ class PlasmaAttribTextureNode(idprops.IDPropMixin, PlasmaAttribNodeBase, bpy.typ
         else:
             return True
 
+    # Blender memory workaround
+    _ENTIRE_ANIMATION = "(Entire Animation)"
+    def _get_anim_names(self, context):
+        if self.anim_type == "TEXTURE":
+            if self.target_texture is not None:
+                items = [(anim.animation_name, anim.animation_name, "")
+                         for anim in self.target_texture.plasma_layer.subanimations]
+            elif self.target_material is not None or self.target_object is not None:
+                if self.target_material is None:
+                    materials = (i.material for i in self.target_object.material_slots if i and i.material)
+                else:
+                    materials = (self.target_material,)
+                layer_props = (i.texture.plasma_layer for mat in materials for i in mat.texture_slots if i and i.texture)
+                all_anims = frozenset((anim.animation_name for i in layer_props for anim in i.subanimations))
+                items = [(i, i, "") for i in all_anims]
+            else:
+                items = [(PlasmaAnimCmdMsgNode._ENTIRE_ANIMATION, PlasmaAnimCmdMsgNode._ENTIRE_ANIMATION, "")]
+        else:
+            raise RuntimeError()
+
+        # We always want "(Entire Animation)", if it exists, to be the first item.
+        entire = items.index((PlasmaAnimCmdMsgNode._ENTIRE_ANIMATION, PlasmaAnimCmdMsgNode._ENTIRE_ANIMATION, ""))
+        if entire not in (-1, 0):
+            items.pop(entire)
+            items.insert(0, (PlasmaAnimCmdMsgNode._ENTIRE_ANIMATION, PlasmaAnimCmdMsgNode._ENTIRE_ANIMATION, ""))
+
+        return items
+
     target_object = PointerProperty(name="Object",
                                     description="",
                                     type=bpy.types.Object,
@@ -864,6 +892,10 @@ class PlasmaAttribTextureNode(idprops.IDPropMixin, PlasmaAttribNodeBase, bpy.typ
                               description="Texture to expose to Python",
                               type=bpy.types.Texture,
                               poll=_poll_texture)
+    anim_name = EnumProperty(name="Animation",
+                             description="Name of the animation to control",
+                             items=_get_anim_names,
+                             options=set())
 
     def init(self, context):
         super().init(context)
@@ -881,10 +913,14 @@ class PlasmaAttribTextureNode(idprops.IDPropMixin, PlasmaAttribNodeBase, bpy.typ
                 if not frozenset(self.texture.users_material) & frozenset(iter_materials()):
                     layout.label("The selected texture is not on a material linked to the target object.", icon="ERROR")
                     layout.alert = True
+            if self.anim_name is None:
+                    layout.label("The selected texture has no animation data.", icon="ERROR")
+                    layout.alert = True
 
         layout.prop(self, "target_object")
         layout.prop(self, "material")
         layout.prop(self, "texture")
+        layout.prop(self, "anim_name")
 
     def get_key(self, exporter, so):
         if not any((self.target_object, self.material, self.texture)):