Add target_pick_map_var

src/map.cc

@@ -108,7 +108,7 @@ int* gMapLocalVars = NULL;
 
 // map_vars
 // 0x51956C
-static int* gMapGlobalVars = NULL;
+int* gMapGlobalVars = NULL;
 
 // local_vars_num
 // 0x519570
@@ -116,7 +116,7 @@ int gMapLocalVarsLength = 0;
 
 // map_vars_num
 // 0x519574
-static int gMapGlobalVarsLength = 0;
+int gMapGlobalVarsLength = 0;
 
 // Current elevation.
 //

src/map.h

@@ -69,7 +69,9 @@ typedef void IsoWindowRefreshProc(Rect* rect);
 
 extern int gMapSid;
 extern int* gMapLocalVars;
+extern int* gMapGlobalVars;
 extern int gMapLocalVarsLength;
+extern int gMapGlobalVarsLength;
 extern int gElevation;
 
 extern MessageList gMapMessageList;

src/mapper/mp_targt.cc

@@ -4,6 +4,7 @@
 
 #include "art.h"
 #include "game.h"
+#include "map.h"
 #include "proto.h"
 #include "window_manager_private.h"
 
@@ -100,4 +101,29 @@ int target_pick_global_var(int* value_ptr)
     return 0;
 }
 
+// 0x49BE20
+int target_pick_map_var(int* value_ptr)
+{
+    int value;
+    int rc;
+
+    if (gMapGlobalVarsLength == 0) {
+        return -1;
+    }
+
+    rc = win_get_num_i(&value,
+        0,
+        gMapGlobalVarsLength - 1,
+        false,
+        "Map Variable Index #:",
+        100,
+        100);
+    if (rc == -1) {
+        return -1;
+    }
+
+    *value_ptr = value;
+    return 0;
+}
+
 } // namespace fallout

src/mapper/mp_targt.h

@@ -10,6 +10,7 @@ int target_init();
 int target_exit();
 int pick_rot();
 int target_pick_global_var(int* value_ptr);
+int target_pick_map_var(int* value_ptr);
 
 } // namespace fallout