simplify Particle@dst life cycle

Partilce#dst_reached! is removed
Particle#init! set @dst=nil
Door#send_ calls Particle#set_dst if parameters are provided

1 files changed, 3 insertions, 6 deletions

diff --git a/lib/iotas/particle.rb b/lib/iotas/particle.rb
index 78975bf..295d505 100644
--- a/lib/iotas/particle.rb
+++ b/lib/iotas/particle.rb
@@ -75,6 +75,7 @@ module Iotas
             self.new o
         end
         #
+        # called when released
         def reset!
             @ts = @src = @dst = @room = @door = @action = @link_value = nil
             @dsts.clear
@@ -83,7 +84,9 @@ module Iotas
             @merged.clear
         end
         #
+        # called when sent
         def init! src
+            @dst = nil
             @src = src
             @ts = Time.now
         end
@@ -140,12 +143,6 @@ module Iotas
             @dsts.shift
         end
         #
-        def dst_reached!
-            d = @dst
-            @dst = nil
-            d
-        end
-        #
         def error! e, dst=nil
             @action = Iotas::ACT_ERROR
             @dst = dst||@src