Implemented PrintBuffer class. (Whew).

luprex/core/cpp/world.hpp

@@ -8,6 +8,7 @@
 #include "animqueue.hpp"
 #include "invocation.hpp"
 #include "streambuffer.hpp"
+#include "printbuffer.hpp"
 #include "sched.hpp"
 #include "source.hpp"
 #include "gui.hpp"
@@ -62,6 +63,13 @@ public:
     //
     IdPlayerPool id_player_pool_;
 
+    // Print Buffer
+    //
+    // In non-actors, this is a null pointer.  Stores the console
+    // output for this actor until it can be probed by the client.
+    //
+    UniquePrintBuffer print_buffer_;
+    
     // constructor.
     //
     Tangible(World *w, int64_t id);