Initialize expected generations to nonzero

If a component is only modified during initialization its generation
values remain as zero.

diff --git a/source/game/physicssystem.h b/source/game/physicssystem.h
index c9156625c5a21b864fffa2d4ccfbc78f0dd0d14a..fcf5c5688565fbd928d8afac30ed38eb60d0336c 100644 (file)
--- a/source/game/physicssystem.h
+++ b/source/game/physicssystem.h
@@ -38,9 +38,9 @@ private:
                Handle<Shape> shape;
                Handle<Motion> motion;
                std::unique_ptr<Physics::RigidBody> physics_body;
-               uint8_t transform_generation = 0;
-               uint8_t motion_generation = 0;
-               uint8_t body_generation = 0;
+               uint8_t transform_generation = 0xFF;
+               uint8_t motion_generation = 0xFF;
+               uint8_t body_generation = 0xFF;
                bool pending_create = false;
 
                using Components = ArchetypeComponents<&SimulatedRigidBody::body, &SimulatedRigidBody::shape, &SimulatedRigidBody::motion>;