Abstract away the operations involving a sentinel value for coordinates.

[super-star-trek.git] / src / battle.c

diff --git a/src/battle.c b/src/battle.c
index 9fc6082a3a7ff11213bd77dddf86697b974622d3..f4c6e9070bb6069f67debf3d418621ece7ee7c15 100644 (file)
--- a/src/battle.c
+++ b/src/battle.c
@@ -387,7 +387,7 @@ void torpedo(double course, double r, coord in, double *hit, int i, int n)
            q->planet = NOPLANET;
            DESTROY(&game.state.plnets[game.iplnet]);
            game.iplnet = 0;
-           game.plnet.x = game.plnet.y = 0;
+           invalidate(game.plnet);
            game.quad[w.x][w.y] = IHDOT;
            if (game.landed) {
                /* captain perishes on planet */
@@ -401,7 +401,7 @@ void torpedo(double course, double r, coord in, double *hit, int i, int n)
            q->planet = NOPLANET;
            DESTROY(&game.state.plnets[game.iplnet]);
            game.iplnet = 0;
-           game.plnet.x = game.plnet.y = 0;
+           invalidate(game.plnet);
            game.quad[w.x][w.y] = IHDOT;
            if (game.landed) {
                /* captain perishes on planet */
@@ -719,7 +719,7 @@ void deadkl(coord w, feature type, coord mv)
     else if (type == IHQUEST) {
        /* Killed a Thingy */
        iqhere = iqengry = false;
-       thing.x =thing.y = 0;
+       invalidate(thing);
     }
     else {
        /* Some type of a Klingon */