public void AttackTree()
{
if (m_Character.m_currentWeapon.m_item != ItemType.AXE)
{
return;
}
MusicHandler.PlaySound(SoundType.AXE_SOUND);
m_health--;
Debug.Log("tree is attacked");
if (m_health < 0)
{
gameObject.SetActive(false);
Debug.Log("Tree is destroyed");
SpriteManage.DESTROY_SPRITE(gameObject);
// generate tree log after tree is cut down
for (int i = 0; i < NUMBER_OF_TREE_LOG; i++)
{
GameObject temp = SpriteManage.CREATE_SPRITE(SpriteType.TREE_LOG);
Debug.Assert(temp);
Vector2 newPos = SpriteManage.randomAroundPoint(transform.position, 16);
temp.transform.position = newPos;
}
}
}
protected void checkHealth()
{
if (m_Health <= 0)
{
SpriteManage.DESTROY_SPRITE(gameObject);
}
}
public void AttackRock()
{
// set the selection square is show
// if characters holding axe and clicked on the tree in range, then tree health is -1
if (m_Character.m_currentWeapon.m_item != ItemType.AXE)
{
return;
}
const float OFFSET = 16;
float distance = Vector2.Distance(Camera.main.WorldToScreenPoint(m_Character.transform.position), Camera.main.WorldToScreenPoint(transform.position));
MusicHandler.PlaySound(SoundType.AXE_SOUND);
m_health--;
Debug.Log("rock is attacked");
if (m_health < 0)
{
gameObject.SetActive(false);
Debug.Log("rock is destroyed");
SpriteManage.DESTROY_SPRITE(gameObject);
// generate tree log after tree is cut down
for (int i = 0; i < NUMBER_OF_STONE; i++)
{
GameObject temp = SpriteManage.CREATE_SPRITE(SpriteType.STONE);
Debug.Assert(temp);
Vector2 newPos = SpriteManage.randomAroundPoint(transform.position, 16);
temp.transform.position = newPos;
}
}
}
Collider2D findShortestEnemy(Collider2D[] colliders)
{
Debug.Assert(colliders.Length > 0);
float minDistance = 99999999;
Collider2D enemy = null;
for (int i = 0; i < colliders.Length; i++)
{
if (colliders[i].tag == "character" || colliders[i].tag == "castle" || colliders[i].tag == "tower")
{
if (colliders[i].tag == "tower")
{
Debug.Assert(false);
return(colliders[i]);
}
Vector2 enemyPos = colliders[i].gameObject.transform.position;
float distance = Vector2.Distance(enemyPos, transform.position);
if (minDistance > distance)
{
minDistance = distance;
enemy = colliders[i];
}
}
else if (colliders[i].tag == "tree" || colliders[i].tag == "stone")
{
SpriteManage.DESTROY_SPRITE(colliders[i].gameObject);
}
}
return(enemy);
}
void Update()
{
if (mainGame.m_IsPause)
{
return;
}
m_TimeActive -= Time.deltaTime;
if (m_TimeActive <= 0)
{
SpriteManage.DESTROY_SPRITE(gameObject);
}
}
public override void Attack()
{
if (m_EnemyTarget != null)
{
if (!m_EnemyTarget.active)
{
m_EnemyTarget = null;
return;
}
float distance = Vector2.Distance(transform.position, m_EnemyTarget.transform.position);
calculateAttackDistance();
if (distance < m_AttackDistance)
{
if (m_AttackDelay <= 0)
{
MusicHandler.PlaySound(SoundType.RED_ENEMY_ATTACK);
m_AttackDelay = DEFAULT_ATTACK_DELAY;
if (m_EnemyTarget.tag == "tree")
{
m_EnemyTarget.GetComponent <Tree>().m_health--;
if (m_EnemyTarget.GetComponent <Tree>().m_health <= 0)
{
SpriteManage.DESTROY_SPRITE(m_EnemyTarget);
m_EnemyTarget = null;
}
}
else if (m_EnemyTarget.tag == "stone")
{
m_EnemyTarget.GetComponent <Rock>().m_health--;
if (m_EnemyTarget.GetComponent <Rock>().m_health <= 0)
{
SpriteManage.DESTROY_SPRITE(m_EnemyTarget);
m_EnemyTarget = null;
}
}
}
}
// moving to the target
else
{
float angle = Mathf.Atan2(m_EnemyTarget.transform.position.y - transform.position.y, m_EnemyTarget.transform.position.x - transform.position.x);
Vector2 pos = transform.position;
pos.x += Mathf.Cos(angle) * MOVE_SPEED * Time.fixedDeltaTime;
pos.y += Mathf.Sin(angle) * MOVE_SPEED * Time.fixedDeltaTime;
transform.position = pos;
}
}
}
void FixedUpdate()
{
if (mainGame.m_IsPause)
{
return;
}
if (!m_Arrived)
{
float angle = Mathf.Atan2(m_Castle.transform.position.y - transform.position.y, m_Castle.transform.position.x - transform.position.x);
Vector2 pos = transform.position;
pos.x += Mathf.Cos(angle) * MOVE_SPEED * Time.fixedDeltaTime;
pos.y += Mathf.Sin(angle) * MOVE_SPEED * Time.fixedDeltaTime;
transform.position = pos;
}
else
{
m_TimeRespawnEnemy -= Time.fixedDeltaTime;
if (m_TimeRespawnEnemy <= 0)
{
if (m_NumberEnemies > 0)
{
m_TimeRespawnEnemy = RESPAWN_TIME;
m_NumberEnemies--;
Vector2 castlePos = m_Castle.transform.position;
Vector2 currentPos = transform.position;
float angle = Mathf.Atan2(castlePos.y - currentPos.y, castlePos.x - currentPos.x);
float offset = m_Wall.GetComponent <BoxCollider2D>().size.x;
currentPos.x += Mathf.Cos(angle) + offset;
currentPos.x += Mathf.Sin(angle) + offset;
GameObject enemy = SpriteManage.CREATE_SPRITE(SpriteType.RED_ENEMY);
enemy.transform.position = currentPos;
}
// delete the boat
else
{
SpriteManage.DESTROY_SPRITE(gameObject);
}
}
}
checkHealth();
}
void prepareTowerToPlace()
{
// cancel placing tower
if (m_isPlacingTower)
{
// if the placing tower still active, then cancel it
if (m_currentBuilding != null)
{
SpriteManage.DESTROY_SPRITE(m_currentBuilding);
m_currentBuilding = null;
}
m_isPlacingTower = false;
}
// start placing tower
else
{
m_isPlacingTower = true;
m_currentBuilding = SpriteManage.CREATE_SPRITE(SpriteType.TOWER);
}
}
void OnTriggerEnter2D(Collider2D col)
{
GameObject temp = col.gameObject;
if (temp.tag == "treeLog")
{
SpriteManage.DESTROY_SPRITE(temp);
m_inventory.addNewItem(ItemType.WOOD);
}
else if (temp.tag == "stoneItem")
{
SpriteManage.DESTROY_SPRITE(temp);
m_inventory.addNewItem(ItemType.STONE);
}
else if (temp.tag == "heart")
{
SpriteManage.DESTROY_SPRITE(temp);
m_Health += DEFAULT_HEART_HEALTH;
}
}
// Update is called once per frame
void Update()
{
if (mainGame.m_IsPause)
{
return;
}
m_AttackDelay -= Time.fixedDeltaTime;
if (m_AttackDelay <= 0)
{
m_AttackDelay = 0;
}
//checkHealth();
if (m_VisibleTime <= 0)
{
SpriteManage.DESTROY_SPRITE(gameObject);
}
m_VisibleTime -= Time.deltaTime;
findEnemy();
updateHealthBar();
checkHealth();
}
void OnTriggerEnter2D(Collider2D colldier)
{
if (colldier.GetType() == typeof(CircleCollider2D))
{
return;
}
GameObject obj = colldier.gameObject;
AI ai = obj.GetComponent <AI>();
if (ai)
{
if (ai.m_Side == m_Side)
{
return;
}
ai.setHealth(ai.getHealth() - m_Damage);
Debug.Log("update enemy health: " + ai.getHealth());
SpriteManage.DESTROY_SPRITE(gameObject);
}
else
{
}
}
