boolean roadTest(int tx, int ty) {
if (!city.testBounds(tx, ty)) {
return false;
}
char c = city.getTile(tx, ty);
if (c < ROADBASE) return false;
else if (c > LASTRAIL) return false;
else if (c >= POWERBASE && c < LASTPOWER) return false;
else return true;
}
void setTrafficMem() {
while (!positions.isEmpty()) {
CityLocation pos = positions.pop();
mapX = pos.x;
mapY = pos.y;
assert city.testBounds(mapX, mapY);
// check for road/rail
int tile = city.getTile(mapX, mapY);
if (tile >= ROADBASE && tile < POWERBASE) {
city.addTraffic(mapX, mapY, 50);
}
}
}