function stage.increase(player) {
	$stage++;
	quest.display(player, $quest_name, $stage, $all_stages);
	sound = sound.get("minecraft:entity.experience_orb.pickup");
	category = sound.getCategory("MASTER");
	sound.spawnForPlayer(player, sound, category);
}

function quest.start(player, path) {
	modTimer(-45);
	script = script.start(path, "utils/u_quest", "utils/u_general", "utils/u_questerror");
	if(script == null) {
		msg.dev("quest not started");
		return;
	}
	quest.addPlayer(script, player);
	script.setVar(script, "player", player);
	script.setVar(script, "script", script);
	script.callEvent("quest_start", script);
	inv.close(player);
}

function player.unlockedLumberjack(player_or_id) {
	config = playerdata.getSurvival(player_or_id);
	return config.getBool(config, "skillshop.lumberjack", false);
}

function player.unlockLumberjack(player_or_id) {
	config = playerdata.getSurvival(player_or_id);
	config.set(config, "skillshop.lumberjack", true);
	config.saveAsync(config);
}

function player.unlockedMage(player_or_id) {
	config = playerdata.getSurvival(player_or_id);
	return config.getBool(config, "skillshop.mage", false);
}

function player.unlockMage(player_or_id) {
	config = playerdata.getSurvival(player_or_id);
	config.set(config, "skillshop.mage", true);
	config.saveAsync(config);
}

function player.getShipProgress(player_or_id) {
	config = playerdata.getSurvival(player_or_id);
	return config.getDouble(config, "ship.progress", 0);
}

function player.setShipProgress(player_or_id, progress) {
	config = playerdata.getSurvival(player_or_id);
	old_progress = config.getDouble(config, "ship.progress", 0);
	if(progress > old_progress) {
		config.set(config, "ship.progress", progress);
		config.saveAsync(config);
	}
}

function citizen.giveItem(citizen_name, player, needed_type_or_tag, needed_amount) {
	if(needed_amount == 0) {
		return -1;
	}
	item = living.getHand(player);
	if(item == null) {
		return needed_amount;
	}
	item_type = item.getType(item);
	citizen_name = string.concat("§d", citizen_name);
	needed = false;
	tag_check = false;
	if(isMaterial(needed_type_or_tag)) {
		if(item_type == needed_type_or_tag) {
			needed = true;
		}
	} else {
		if(item.hasTag(item, needed_type_or_tag)) {
			needed = true;
			tag_check = true;
		}
	}
	if(needed) {
		amount_not_removed = player.removeItem(player, item.new(item_type, needed_amount));
		if(amount_not_removed == 0) {
			return 0;
		}
		player.removeItem(player, item.new(item_type, amount_not_removed));
		rest_item_amount = needed_amount - amount_not_removed;
		
		rest_item = item.new(item_type, rest_item_amount);
		rest_item = player.removeItemNbt(player, rest_item);
		rest_item_amount = item.getAmount(rest_item);
		if(rest_item_amount > 0) {
			if(tag_check) {
				rest_item = player.removeItemTag(player, needed_type_or_tag, rest_item_amount);
				rest_item_amount = item.getAmount(rest_item);
				if(rest_item_amount > 0) {
					msg.prefix(player, citizen_name, string.concat("I need ", string.number(rest_item_amount), " more of these please."));
				}
			} else {
				msg.prefix(player, citizen_name, string.concat("I need ", string.number(rest_item_amount), " more of these please."));
			}
		}
		return rest_item_amount;
	}
	msg.prefix(player, citizen_name, "I do not need this.");
	return needed_amount;
}

/*
 stable(stable_mid_loc, stable_spawn_loc_list) while there aren't enough, spawns animals
*/
function stable(stable_mid_loc, stable_spawn_loc_list){
	living_list = living.near(stable_mid_loc, 10);
	list_iterator = iterator(living_list);
	
	cow_count = 0;
	pig_count = 0;
	sheep_count = 0;
	
	while(hasnext(list_iterator)){
		living_entity_type = entity.getType(next(list_iterator));
		if(living_entity_type == "cow"){
			cow_count++;
		}elseif(living_entity_type == "pig"){
			pig_count++;
		}elseif(living_entity_type == "sheep"){
			sheep_count++;
		}
	}
	while(cow_count < 4){//cow_max
		spawned_entity = entity.spawn(loc.mod(list.getIndex(stable_spawn_loc_list, math.random(0, $spawn_list_size)), 0.5, 0, 0.5), "COW");
		cow_count++;
	}
	while(pig_count < 3){//pig_max
		spawned_entity = entity.spawn(loc.mod(list.getIndex(stable_spawn_loc_list, math.random(0, $spawn_list_size)), 0.5, 0, 0.5), "PIG");
		pig_count++;
	}
	while(sheep_count < 5){//sheep_max
		spawned_entity = entity.spawn(loc.mod(list.getIndex(stable_spawn_loc_list, math.random(0, $spawn_list_size)), 0.5, 0, 0.5), "SHEEP");
		sheep_count++;
	}
}

/*
 stable.getSpawn_locs(loc) returns list with all spawn_locations for animals in given surrounding stable
*/
function stable.getSpawn_locs(loc){
	stable_spawn_loc_list = list.new();
	list.add(stable_spawn_loc_list, loc.mod(loc, 0.5, 1, 0.5));
	$stable_temp_list = list.new();
	$stable_temp_list2 = list.new();
	list.add($stable_temp_list, loc);
	while(list.getSize($stable_temp_list) != 0){
		block_loc = list.getIndex($stable_temp_list, 0);
		list.removeIndex($stable_temp_list, 0);
		distance = loc.distance(block_loc, loc);
		if(distance < 25){
			temp_block = stable.addLoc_if(loc.mod(block_loc,1,0,0));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			temp_block = stable.addLoc_if(loc.mod(block_loc,-1,0,0));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			temp_block = stable.addLoc_if(loc.mod(block_loc,0,0,1));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			temp_block = stable.addLoc_if(loc.mod(block_loc,0,0,-1));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			
			temp_block = stable.addLoc_if(loc.mod(block_loc,1,1,0));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			temp_block = stable.addLoc_if(loc.mod(block_loc,-1,1,0));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			temp_block = stable.addLoc_if(loc.mod(block_loc,0,1,1));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			temp_block = stable.addLoc_if(loc.mod(block_loc,0,1,-1));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			
			temp_block = stable.addLoc_if(loc.mod(block_loc,1,-1,0));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			temp_block = stable.addLoc_if(loc.mod(block_loc,-1,-1,0));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			temp_block = stable.addLoc_if(loc.mod(block_loc,0,-1,1));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
			temp_block = stable.addLoc_if(loc.mod(block_loc,0,-1,-1));
			if(temp_block != null){
				list.add(stable_spawn_loc_list, temp_block);
			}
		}
	}
	return stable_spawn_loc_list;
}

function stable.addLoc_if(temp_loc){
	if(!list.contains($stable_temp_list2, temp_loc)){
		temp_block = block.get(temp_loc);
		temp_block2 = loc.mod(temp_loc, 0, 1, 0);
		temp_type1 = block.getType(temp_block);
		temp_type2 = block.getType(block.get(temp_block2));
		temp_type3 = block.getType(block.get(loc.mod(temp_block2, 0, 1, 0)));
		if(temp_type1 == $grass_block_material && temp_type2 == $air_material && temp_type3 == $air_material){
			list.add($stable_temp_list, temp_loc);
			list.add($stable_temp_list2, temp_loc);
			return temp_block2;
		}
	}
}