Initial commit

1 files changed, 48 insertions, 0 deletions

diff --git a/NET/worlds/console/BlackBoxCommand.java b/NET/worlds/console/BlackBoxCommand.java
new file mode 100644
index 0000000..bfafc43
--- /dev/null
+++ b/NET/worlds/console/BlackBoxCommand.java
@@ -0,0 +1,48 @@
+package NET.worlds.console;
+
+import NET.worlds.core.Std;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+public abstract class BlackBoxCommand {
+   int commandType;
+   long startTime;
+   BlackBoxCallback callback;
+   boolean waiting = false;
+
+   void timestamp(long basetime) {
+      this.startTime = Std.getFastTime() - basetime;
+   }
+
+   public boolean execute(BlackBoxCallback c) {
+      if (this.waiting) {
+         return false;
+      } else {
+         this.callback = c;
+         if (c != null) {
+            this.waiting = true;
+         }
+
+         return this.execute();
+      }
+   }
+
+   abstract boolean execute();
+
+   void save(DataOutputStream dos) throws IOException {
+      dos.writeInt(this.commandType);
+      dos.writeLong(this.startTime);
+   }
+
+   void load(DataInputStream dis) throws IOException {
+      this.startTime = dis.readLong();
+   }
+
+   void doCallback(boolean ok) {
+      if (this.callback != null) {
+         this.waiting = false;
+         this.callback.commandCompleted(this, ok);
+      }
+   }
+}