ddark

bool mapengine::pollmiso(BITMAP *bp)  {
     
   int xloop, yloop, tmx, tmy, ddxt, ddyt;
   int pc, pr, pg, pb;
   BITMAP *coor, *tile;
     
   tmx = mouse_x;                                                             
   tmy = mouse_y; 
   coor = create_bitmap_ex(32, 32, 16);
   tile = load_bitmap("C:\\Documents and Settings\\ddark\\My Documents\\isometrik\\gfx\\tile.bmp", NULL);	   
   
   blit(tile, coor, 0, 8, 0, 0, 32, 16);
          
   for(xloop = 0;xloop <= mx;xloop++) { // find out x rectangular coordinate
       if(xloop * 32 > tmx) {
          xloop; xloop--; dx = ddx = xloop; xloop = mx;     
       }          
   }
     
   for(yloop = 0;yloop <= my;yloop++) { // find our y rectangular coordinate
     if(yloop * 16 > tmy) {
         yloop; yloop--; dy = ddy = yloop; yloop = my; 
      }          
   }
     
   dy += dy; // we have to hack it into what our rectangular coordinates are
             // this is so below we can go into one of its corners.
     
   floodfill(coor, 5, 0, makecol(255,0,0));                  // flood our different regions in and out of the diamond 
   floodfill(coor, 20, 1, makecol(255,255,0));
   floodfill(coor, 20, 15, makecol(255,0,255));
   floodfill(coor, 1, 12, makecol(0,0,255));                        
   floodfill(coor, 15, 8, makecol(255,255,255));

   ddxt = ddx * 32 - tmx; // find out coordinates in the mousemap
   ddyt = ddy * 16 - tmy;

   ddxt = abs(ddxt); // this is just to keep things safe...
   ddyt = abs(ddyt); // this as well...

   pc = getpixel(coor, ddxt, ddyt);   // figure out what color pixel it is (region)
   pr = getr(pc);
   pg = getg(pc);
   pb = getb(pc);

   // figure out which region mouse pointer is in and figure out isometric coordinates based on this              
   if(pr == 255 && pg == 0 && pb == 0) { // top left                   
      floodfill(coor, 5, 0, makecol(50,50,50));
   } else if(pr == 255 && pg == 255 && pb == 0) { // top right 
      floodfill(coor, 20, 1, makecol(50,50,50));      
   } else if(pr == 255 && pg == 0 && pb == 255) { // bottom right
      floodfill(coor, 20, 15, makecol(50,50,50));
   } else if(pr == 0 && pg == 0 && pb == 255) { // bottom left
      floodfill(coor, 1, 12, makecol(50,50,50));
   } else if(pr == 255 && pg == 255 && pb == 255) { // center    
      floodfill(coor, 15, 8, makecol(50,50,50));
   } else { // we should be on the black outline here... so lets just keep it center.
      floodfill(coor, 15, 8, makecol(50,50,50));    
   }       
   
   blit(coor, bp, 0, 0, ddx * 32, ddy * 16, 32, 16);
   
   map[oldx][oldy].hover = 0;       
   map[dx][dy].hover = 1; 
   oldx = dx;
   oldy = dy;
}