BuildCraftAPI.isLeavesProperty = new WorldPropertyIsLeaf();
BuildCraftAPI.isOreProperty = new IWorldProperty[4];
for (int i = 0; i < BuildCraftAPI.isOreProperty.length; i++) {
BuildCraftAPI.isOreProperty[i] = new WorldPropertyIsOre(i);
}
BuildCraftAPI.isHarvestableProperty = new WorldPropertyIsHarvestable();
BuildCraftAPI.isFarmlandProperty = new WorldPropertyIsFarmland();
BuildCraftAPI.isShoveled = new WorldPropertyIsShoveled();
BuildCraftAPI.isDirtProperty = new WorldPropertyIsDirt();
BuildCraftAPI.isFluidSource = new WorldPropertyIsFluidSource();