#8 narrowing conversion build error using Gcc 6

[Andreas Rönnquist]

GCC 6 is more strict when it comes to conversions, there's some -1 stored in arrays of unsigned char in xsb_level.cpp.

I have applied the following patch in Debian:

--- a/src/xsb_level.cpp
+++ b/src/xsb_level.cpp
@@ -784,14 +784,14 @@

 bool FromXyeDFS(int* mem, unsigned char x, unsigned char y)
 {

-    static const unsigned char dx[4] = {0,0,-1,1}, dy[4] = {-1,1,0,0};
+    static const int dx[4] = {0,0,-1,1}, dy[4] = {-1,1,0,0};
     int &res =  mem[y*XYE_HORZ+x];
     if( res==0)
     {
         res = 1;
         for (int t=0; t<4; t++)
         {
-            unsigned char nx = x+dx[t], ny=y+dy[t];
+            int nx = x+dx[t], ny=y+dy[t];
             if ( (nx<XYE_HORZ) && (ny<XYE_VERT)
                  && (( game::Square(x,y)->object == NULL) || ( game::Square(x,y)->object->GetType() == OT_BLOCK))
                )

[Ferdinand T.]

My fix for this is: https://sourceforge.net/p/xye/patches/7/