event.load("player_move");
event.load("living_death");
event.load("entity_join");

x1 = 1000;
y1 = 0;
z1 = 1000;
x2 = 1153;
y2 = 56;
z2 = 1129;

overworld = world.getOverworld();
loc1 = loc.new(overworld, x1, y1, z1);
loc2 = loc.new(overworld, x2, y2, z2);
cooldown = 400; //3 exe per minute
arena_id = event.addMoveData(loc1, loc2, cooldown, -1);

spawns = list.new();
list.add(spawns, loc.new(overworld, 1030, 20, 1039));
list.add(spawns, loc.new(overworld, 1051, 28, 1083));
list.add(spawns, loc.new(overworld, 1008, 23, 1092));
list.add(spawns, loc.new(overworld, 1082, 25, 1118));
list.add(spawns, loc.new(overworld, 1087, 21, 1050));
list.add(spawns, loc.new(overworld, 1072, 23, 1021));
list.add(spawns, loc.new(overworld, 1135, 21, 1071));
list.add(spawns, loc.new(overworld, 1125, 21, 1088));

bosses = list.new();
list.add(bosses, "zombie");
list.add(bosses, "spider");
list.add(bosses, "cave_spider");
list.add(bosses, "wither_skeleton");
list.add(bosses, "rabbit");
list.add(bosses, "magma_cube");

entities_list = list.new();
iron_sword = read.item("minecraft:iron_sword");
copper_coin = read.item("km:coin_copper");
silver_coin = read.item("km:coin_silver");
ruby = item.getRuby();

msg("dev", "§bMobarena §rloaded.");
@main
wait();
if(event == "player_move") {
	if(id == arena_id) {
		spawnArenaMob();
	}
	goto("main");
}
if(event == "living_death") {
	player = player.getFromDamageSource(damage_source);
	if(player == null) {
		goto("main");
	}
	ent_loc = entity.getLocation(living_entity);
	world_name = world.getName(loc.getWorld(ent_loc));
	if(world_name != "overworld") {
		goto("main");
	}
	x = loc.getX(ent_loc);
	z = loc.getZ(ent_loc);
	if(x < x1 || x > x2) {
		goto("main");
	}
	if(z < z1 || z > z2) {
		goto("main");
	}
	r = math.random(1, 200);
	if(r == 1) {
		item.drop(ent_loc, ruby);
	}
	if(entity.hasTag(living_entity, "mod_spawned")) {
		item.drop(ent_loc, silver_coin);
	} else {
		item.drop(ent_loc, copper_coin);
	}
	goto("main");
}
if(event == "entity_join") {
	if(!isLiving(entity)) {
		goto("main");
	}
	entity_type = entity.getType(entity);
	if(entity_type != "creeper") {
		goto("main");
	}
	ent_loc = entity.getLocation(entity);
	world_name = world.getName(loc.getWorld(ent_loc));
	if(world_name != "overworld") {
		goto("main");
	}
	x = loc.getX(ent_loc);
	y = loc.getY(ent_loc);
	z = loc.getZ(ent_loc);
	if(x < x1 || x > x2) {
		goto("main");
	}
	if(y < y1 || y > y2) {
		goto("main");
	}
	if(z < z1 || z > z2) {
		goto("main");
	}
	cancel = true;
	goto("main");
}
goto("main");

function spawnArenaMob() {
	loc = getRandomLoc();
	boss = getRandomBoss();
	if(boss == "rabbit") {
		entity = entity.spawn(boss, loc, "{RabbitType:99}");
	} else {
		entity = entity.spawn(boss, loc);
	}
	if(boss == "zombie") {
		living.setPersistentMaxHealth(entity, 200);
		living.setHealth(entity, 200);
		living.setPersistentAttackDamage(entity, 10);
		living.setEquip(entity, "hand", $iron_sword);
		living.setPersistentKnockbackResistance(entity, 3);
		living.setPersistentFollowRange(entity, 50);
		living.setPersistentAttackKnockback(entity, 10);
	}
	elseif(boss == "wither_skeleton") {
		living.setPersistentMaxHealth(entity, 250);
		living.setHealth(entity, 250);
		living.setPersistentAttackDamage(entity, 15);
		living.setEquip(entity, "hand", $iron_sword);
		living.setPersistentKnockbackResistance(entity, 3);
		living.setPersistentFollowRange(entity, 50);
		living.setPersistentAttackKnockback(entity, 10);
	}
	elseif(boss == "spider") {
		living.setPersistentMaxHealth(entity, 150);
		living.setHealth(entity, 150);
		living.setPersistentAttackDamage(entity, 8);
		living.setPersistentKnockbackResistance(entity, 2);
		living.setPersistentFollowRange(entity, 50);
		living.setPersistentAttackKnockback(entity, 5);
	}
	elseif(boss == "cave_spider") {
		living.setPersistentMaxHealth(entity, 100);
		living.setHealth(entity, 100);
		living.setPersistentAttackDamage(entity, 7);
		living.setPersistentKnockbackResistance(entity, 2);
		living.setPersistentFollowRange(entity, 50);
		living.setPersistentAttackKnockback(entity, 5);
	}
	elseif(boss == "rabbit") {
		living.setPersistentMaxHealth(entity, 50);
		living.setHealth(entity, 50);
		living.setPersistentAttackDamage(entity, 6);
		living.setPersistentKnockbackResistance(entity, 2);
		living.setPersistentFollowRange(entity, 50);
		living.setPersistentAttackKnockback(entity, 5);
	}
	elseif(boss == "magma_cube") {
		living.setPersistentMaxHealth(entity, 50);
		living.setHealth(entity, 50);
		living.setPersistentAttackDamage(entity, 6);
		living.setPersistentKnockbackResistance(entity, 2);
		living.setPersistentFollowRange(entity, 50);
		living.setPersistentAttackKnockback(entity, 5);
	}
	list.add($entities_list, entity);
	sgoto(2, "sgoto_updateEntityName");
	//living.setEquip(entity, );
	//living.setMaxHealth(entity, );
	//living.setAttackKnockback(entity, );
	//living.setAttackDamage(entity, );
	//living.setAttackSpeed(entity, );
	//living.setFollowRange(entity, );
	//living.setArmor(entity, );
	//living.setArmorThoughness(entity, );
	//living.setMovementSpeed(entity, );
	//living.setKnockbackResistance(entity, );
}

@sgoto_updateEntityName
iter = list.iterator(entities_list);
while(hasNext(iter)) {
	updateEntityName(next(iter));
}
list.clear(entities_list);
goto("main");

function getRandomLoc() {
	index = math.random(0, list.getSize($spawns) - 1);
	return list.getIndex($spawns, index);
}

function getRandomBoss() {
	index = math.random(0, list.getSize($bosses) - 1);
	return list.getIndex($bosses, index);
}

function updateEntityName(living_entity) {
	entity_name = entity.getName(living_entity);
	max_health = living.getMaxHealth(living_entity);
	health = text.number(math.round(living.getHealth(living_entity)));
	max_health = text.number(math.roundComma(max_health, 1));
	
	heart_index = text.indexOf(entity_name, "❤", 0);
	if(heart_index == -1) {
		//Kein Herz gefunden
		setEntityName(living_entity, health, max_health, entity_name);
		return;
	}
		
	next_new_line = text.indexOf(entity_name, "\n", heart_index);
	if(next_new_line == -1) {
		//Rechts vom Herz keine New-Line gefunden
		setEntityName(living_entity, health, max_health, null);
		return;
	}
	entity_name = text.subString(entity_name, next_new_line + 1, text.length(entity_name));
	setEntityName(living_entity, health, max_health, entity_name);
}

function setEntityName(living_entity, health, max_health, entity_name) {
	if(entity_name == null) {
		entity.setName(living_entity, concat(health, "/", max_health, " §c❤"), false);
		return;
	}
	entity.setName(living_entity, concat(health, "/", max_health, " §c❤\n", entity_name), false);
}