[Add] Provide reasons for aborting autonavigation.

src/input.c

@@ -208,13 +208,13 @@ static void input_key(int keynum, double value, int kabs) {
   /* Accelerating. */
   if(KEY("accel")) {
     if(kabs) {
-      player_abortAutonav();
+      player_abortAutonav(NULL);
       player_accel(value);
     }
     else {
       /* Prevent it from getting stuck. */
       if(value == KEY_PRESS) {
-        player_abortAutonav();
+        player_abortAutonav(NULL);
         player_accel(1.);
       }
       else if(value == KEY_RELEASE) player_accelOver();
@@ -238,7 +238,7 @@ static void input_key(int keynum, double value, int kabs) {
   else if(KEY("left")) {
     /* Set flags for facing correction. */
     if(value == KEY_PRESS) {
-      player_abortAutonav();
+      player_abortAutonav(NULL);
       player_setFlag(PLAYER_TURN_LEFT);
     }
     else if(value == KEY_RELEASE) { player_rmFlag(PLAYER_TURN_LEFT); }
@@ -251,7 +251,7 @@ static void input_key(int keynum, double value, int kabs) {
   else if(KEY("right")) {
     /* Set flags for facing correction. */
     if(value == KEY_PRESS) {
-      player_abortAutonav();
+      player_abortAutonav(NULL);
       player_setFlag(PLAYER_TURN_RIGHT);
     }
     else if(value == KEY_RELEASE) { player_rmFlag(PLAYER_TURN_RIGHT); }
@@ -264,7 +264,7 @@ static void input_key(int keynum, double value, int kabs) {
   /* Turn around to face vel. */
   else if(KEY("reverse")) {
     if(value == KEY_PRESS) {
-      player_abortAutonav();
+      player_abortAutonav(NULL);
       player_setFlag(PLAYER_REVERSE);
     }
     else if(value == KEY_RELEASE) {
@@ -277,7 +277,7 @@ static void input_key(int keynum, double value, int kabs) {
   /* Shoot primary weapon. BOOM BOOM. */
   else if(KEY("primary")) {
     if(value == KEY_PRESS) {
-      player_abortAutonav();
+      player_abortAutonav(NULL);
       player_setFlag(PLAYER_PRIMARY);
     }
     else if(value == KEY_RELEASE) { player_rmFlag(PLAYER_PRIMARY); }
@@ -298,7 +298,7 @@ static void input_key(int keynum, double value, int kabs) {
   /* Face the target. */
   else if(KEY("face")) {
     if(value == KEY_PRESS) {
-      player_abortAutonav();
+      player_abortAutonav(NULL);
       player_setFlag(PLAYER_FACE);
     }
     else if(value == KEY_RELEASE) {
@@ -313,7 +313,7 @@ static void input_key(int keynum, double value, int kabs) {
   /* Board those ships. */
   else if(KEY("board") && INGAME() && NOHYP()) {
     if(value == KEY_PRESS) {
-      player_abortAutonav();
+      player_abortAutonav(NULL);
       player_board();
     }
   }
@@ -350,13 +350,13 @@ static void input_key(int keynum, double value, int kabs) {
   /* Target nearest planet or attempt to land. */
   else if(KEY("land") && INGAME() && NOHYP()) {
     if(value == KEY_PRESS) {
-      player_abortAutonav();
+      player_abortAutonav(NULL);
       player_land();
     }
   }
   else if(KEY("thyperspace") && NOHYP() && NOLAND() && NODEAD()) {
     if(value == KEY_PRESS) {
-      player_abortAutonav();
+      player_abortAutonav(NULL);
       player_targetHyperspace();
     }
   }
@@ -365,7 +365,7 @@ static void input_key(int keynum, double value, int kabs) {
   }
   else if(KEY("jump") && INGAME()) {
     if(value == KEY_PRESS) {
-      player_abortAutonav();
+      player_abortAutonav(NULL);
       player_jump();
     }
   }

src/pilot.c

@@ -39,7 +39,7 @@ static int pilot_mstack = 0; /** Memory allocated for pilot_stack. */
 
 extern Pilot* player;
 extern double player_crating; /**< Players combat rating. */
-extern void player_abortAutonav(void);
+extern void player_abortAutonav(char* reason);
 
 /* Stack of fleets. */
 static Fleet* fleet_stack = NULL; /** Fleet stack. */
@@ -428,7 +428,7 @@ void pilot_hit(Pilot* p, const Solid* w, const unsigned int shooter,
   outfit_calcDamage(&damage_shield, &damage_armour, &knockback,  dtype, damage);
 
   if(p->id == PLAYER_ID)
-  	player_abortAutonav();
+  	player_abortAutonav("Sustaining Damage");
 
   if(p->shield - damage_shield > 0.) { /* Shields take the whole blow. */
     p->shield -= damage_shield;

src/player.c

@@ -1535,13 +1535,18 @@ void player_startAutonav(void) {
 }
 
 /**
- * @fn void player_abortAutonav(void)
- *
  * @brief Aborts autonav
  */
-void player_abortAutonav(void) {
+void player_abortAutonav(char* reason) {
+  /* No point if player is beyond aborting. */
+  if(pilot_isFlag(player, PILOT_HYPERSPACE))
+    return;
+
   if(player_isFlag(PLAYER_AUTONAV)) {
-    player_message("Autonav aborted!");
+    if(reason != NULL)
+      player_message("Autonav aborting: %s!", reason);
+    else
+      player_message("Autonav aborted!");
     player_rmFlag(PLAYER_AUTONAV);
 
     /* Get rid of acceleration. */
@@ -1573,7 +1578,7 @@ void player_think(Pilot* pplayer) {
   /* Autonav takes over normal controls. */
   if(player_isFlag(PLAYER_AUTONAV)) {
     if(pplayer->lockons > 0)
-      player_abortAutonav();
+      player_abortAutonav("Missile Lockon Detected");
 
     if(space_canHyperspace(pplayer)) {
       player_jump();

src/player.h

@@ -88,6 +88,6 @@ void player_afterburnOver(void);
 void player_accel(double acc);
 void player_accelOver(void);
 void player_startAutonav(void);
-void player_abortAutonav(void);
+void player_abortAutonav(char* reason);
 void player_hail(void);