public synchronized void map1aRead(DataInputStream mapdata) throws IOException { System.out.println("map1aRead now called"); int maplen = mapdata.available(); boolean bottom = true; int mask; int x, y, layer, darkness; int faces[] = new int[3]; int pos = 0; int NUM_LAYERS=2; /* this should be defined somewhere nicer */ System.out.println("maplen is " + maplen); while ( pos < maplen ) { System.out.println("reading a new tile"); bottom = true; //place = str.charAt(parse++); mask = (int) mapdata.readUnsignedShort(); pos+=2; System.out.println("mask is " + mask); x = (mask >> 10) & 0x3f;; y = (mask >> 4) & 0x3f;; System.out.println("tile is at " + x + ":" + y); if ((mask & 0xf) == 0) { clearMapCell(x,y); continue; /* if empty mask, none of the checks will be true. */ } /* If this space was previously stored for fog of war, need to clear * it now. Needs to be done before anything else happens that we * might want to store in it. */ if ((mask & 0x8) == 1) { /* darkness bit */ darkness = mapdata.readUnsignedByte(); pos+=1; System.out.println("darkness value is set, it is " + darkness); } else darkness = -1; /* Reduce redundant by putting the get image * and flags in a common block. The layers * are the inverse of the bit order unfortunately. */ for (layer=NUM_LAYERS; layer>=0; layer--) { if ((mask & (1 << layer)) == 1) { faces[NUM_LAYERS-layer] = mapdata.readUnsignedShort(); pos+=2; System.out.println("facenumber for layer " + (NUM_LAYERS-layer) + " is " + faces[NUM_LAYERS-layer]); } else { faces[NUM_LAYERS-layer] = -1; } } for (layer=0; layer<=NUM_LAYERS; layer++) { if (faces[layer] > -1) { if (bottom) { bottom = false; setMapCell(x,y,faces[layer]); } } else { addToMapCell(x,y,faces[layer]); } } }}