Read and highlight smart tiles in mapedit

!TheEsc/c/MapEdit

@@ -15,6 +15,7 @@ extern int screen;
 
 #define TILESX 10
 #define TILESY 10
+#define SMARTTILES 100
 
 // SWI Registers
 _kernel_swi_regs inreg;
@@ -59,6 +60,58 @@ struct TilePlayer_s {
 
 struct TilePlayer_s TilePlayer;
 
+struct SmartTile_s {
+  int Tile;
+  int ActionTarget;
+  unsigned char Action;
+  unsigned char ActionValue;
+};
+
+struct SmartTile_s SmartTiles[SMARTTILES];
+
+void game2_loadsmarttiles(char* filename)
+{
+  int length;
+
+  // Attempt to get file info
+  inreg.r[0] = 5;
+  inreg.r[1] = (int) filename;
+  _kernel_swi(OS_File,&inreg,&outreg);
+
+  // Length will be in R4 if it exists
+  length = outreg.r[4];
+
+  if(length > sizeof(SmartTiles))
+  {
+    screen_nobuffer();
+    while (1)
+    printf("Smarttiles exceeds %d bytes (%d bytes) object type is %d\n",sizeof(SmartTiles),length,outreg.r[0]);
+    //exit(0);
+  }
+
+  // Attempt to get file info
+  inreg.r[0] = 16;
+  inreg.r[1] = (int) filename;
+  inreg.r[2] = (int) SmartTiles;
+  inreg.r[3] = 0;
+
+  _kernel_swi(OS_File,&inreg,&outreg);
+ 
+}
+
+void game2_savesmarttiles(char* filename)
+{
+  // Attempt to get file info
+  inreg.r[0] = 10;
+  inreg.r[1] = (int) filename;
+  inreg.r[2] = 0xffd;
+  inreg.r[4] = (int) SmartTiles;
+  inreg.r[5] = (int) SmartTiles + (sizeof(SmartTiles));
+
+  _kernel_swi(OS_File,&inreg,&outreg);
+ 
+}
+
 void game2_loadmap(char* filename)
 {
   int length;
@@ -132,6 +185,7 @@ void game2_setup()
   memset(map[2],0xFF,100);
 
   game2_loadmap("mission2");
+  game2_loadsmarttiles("m2_smart");
   game2_fillmap(TilePlayer.mapoffset.X,TilePlayer.mapoffset.Y);
 }
 
@@ -322,6 +376,14 @@ int game2_tick()
 
     TilePlayer.rawtile = (TilePlayer.mapoffset.Y) + TilePlayer.localtile.Y + (TilePlayer.mapoffset.X * 100) + (TilePlayer.localtile.X * 100);
 
+    for(i = 0; i < SMARTTILES; i++)
+    {
+      if(SmartTiles[i].Tile == TilePlayer.rawtile)
+      {
+        draw_sprite("smart",TilePlayer.localtile.X*100,TilePlayer.localtile.Y*100);
+      }
+    }
+
     sprintf(textbuffer,"Tile:%i\nSprite:%i\nSolid: %i",
         TilePlayer.rawtile,
         fullmap[TilePlayer.rawtile],