Fix transport to reject planes loaded on land units

The transported plane remains on its carrier.  When the land unit
moves, the plane is teleported right back to it.  Broken since
Chainsaw 3 added land units.

While there, improve the message for planes on ships.

diff --git a/src/lib/commands/tran.c b/src/lib/commands/tran.c
index 849a417fcea76e0ca894d66690402f72e2a2c996..47e1b2c6145150fac7c133d22d0cfd7e2f960c73 100644 (file)
--- a/src/lib/commands/tran.c
+++ b/src/lib/commands/tran.c
@@ -170,7 +170,12 @@ tran_plane(void)
            continue;
        type = plane.pln_type;
        if (plane.pln_ship >= 0) {
-           pr("%s is at sea and can't be transported\n", prplane(&plane));
+           pr("%s is stowed on ship #%d, and can't be transported\n",
+              prplane(&plane), plane.pln_ship);
+           return RET_FAIL;
+       } else if (plane.pln_land >= 0) {
+           pr("%s is stowed on land #%d, and can't be transported\n",
+              prplane(&plane), plane.pln_land);
            return RET_FAIL;
        } else if (plane.pln_harden != 0) {
            pr("%s has been hardened and can't be transported\n",