Merge pull request 'right-side screen text' (#31) from andy/right-text into master

Reviewed-on: #31
Reviewed-by: jake <jake@sharnoth.com>

src/packet/ship.rs

@@ -285,6 +285,25 @@ impl SmallDialog {
     }
 }
 
+// this is literally the same struct as 0x01.
+#[pso_packet(0xB0)]
+pub struct RightText {
+    padding: [u32; 0x02],
+    msg: String,
+}
+
+impl RightText {
+    pub fn new(mut msg: String) -> RightText {
+        if !msg.ends_with('\0') {
+            msg.push('\0');
+        }
+        RightText {
+            padding: [0; 0x02],
+            msg: msg,
+        }
+    }
+}
+
 #[pso_packet(0x11)]
 pub struct SmallLeftDialog {
     padding: [u32; 0x02],