[Fix] space.getSystem().

dat/mission.xml

@@ -33,7 +33,7 @@
  <mission name="Empire Shipping">
   <lua>es_cargo</lua>
   <avail>
-   <cond>var.peek("es_cargo") == true</cond>
+   <cond>player.getFaction("Empire") &gt;=0 and var.peek("es_cargo") == true</cond>
    <chance>350</chance>
    <location>Computer</location>
    <faction>Empire</faction>

dat/missions/es_cargo.lua

@@ -62,7 +62,7 @@ function create()
   misn_time = time.get() + time.units(5) +
       rnd.int(time.units(5), time.units(8)) * misn_dist
   misn.setDesc(string.format( misn_desc, carg_mass, carg_type,
-      planet:name(),, system:name(),
+      planet:name(), system:name(),
       time.str(misn_time), time.str(misn_time-time.get())))
   reward = misn_dist * carg_mass * (500+rnd.int(250)) +
       carg_mass * (250+rnd.int(150)) +

src/llua_space.c

@@ -297,15 +297,20 @@ int lua_issystem(lua_State* L, int ind) {
 static int systemL_get(lua_State* L) {
   LLUA_MIN_ARGS(1);
   LuaSystem sys;
-  char* planetname, *sysname;
+  LuaPlanet* p;
 
-  if(lua_isstring(L, 1)) planetname = (char*)lua_tostring(L, 1);
-  else if(lua_isuserdata(L, 1)) {}
+  /* Passing a string (systemname) */
+  if(lua_isstring(L, 1)) {
+    sys.s = system_get((char*)lua_tostring(L, 1));
+  }
+  /* Passing a planet */
+  else if(lua_isplanet(L, 1)) {
+    p = lua_toplanet(L, 1);
+    sys.s = system_get(planet_getSystem(p->p->name));
+  }
   else LLUA_INVALID_PARAMETER();
 
   /* Return the system. */
-  sysname = planet_getSystem(planetname);
-  sys.s = system_get(sysname);
   lua_pushsystem(L, sys);
   return 1;
 }

src/misn_lua.c

@@ -7,6 +7,7 @@
 #include "lauxlib.h"
 
 #include "llua.h"
+#include "llua_space.h"
 #include "lluadef.h"
 #include "hook.h"
 #include "mission.h"
@@ -386,18 +387,23 @@ static int misn_setReward(lua_State* L) {
 }
 
 static int misn_setMarker(lua_State* L) {
-  if(lua_isstring(L, 1)) {
-    if(cur_mission->sys_marker != NULL) /* Cleanup old markers. */
+  LuaSystem* sys;
+
+  /* No parameter clears the marker. */
+  if(lua_gettop(L)==0) {
+    if(cur_mission->sys_marker != NULL)
       free(cur_mission->sys_marker);
-    cur_mission->sys_marker = strdup((char*)lua_tostring(L, 1));
-#ifdef DEBUG
-    if(system_get(cur_mission->sys_marker)==NULL)
-      LLUA_DEBUG("Marking unexistant system '%s'", cur_mission->sys_marker);
-#endif
-    mission_sysMark();
+    mission_sysMark(); /* Clear the marker. */
   }
-  else if(cur_mission->sys_marker != NULL) /* No parameter nullifies. */
-    free(cur_mission->sys_marker);
+
+  /* Passing in a Star System. */
+  if(lua_issystem(L, 1)) {
+    sys = lua_tosystem(L, 1);
+    cur_mission->sys_marker = strdup(sys->s->name);
+    mission_sysMark(); /* Mark the system. */
+  }
+  else LLUA_INVALID_PARAMETER();
+
   return 0;
 }