//activate power up on this tower
//called by GUI -> PowerUps.cs
public void ApplyPowerUp(DefensivePowerUp powerup)
{
//do not allow multiple powerups at the same time,
//remove previous powerup differences
if (this.powerup != null)
{
StopCoroutine("PowerUpBoost");
RemovePowerUp();
}
//cache powerup for later remove
//and start coroutine for boosting this tower
this.powerup = powerup;
StartCoroutine("PowerUpBoost");
}
//remove the current powerup, undo all the changes
//see the previous method PowerUpBoost() for comments
void RemovePowerUp()
{
shotAngle /= powerup.buff.shotAngle;
controlMultiplier /= powerup.buff.controlMultiplier;
for (int i = 0; i < upgrade.options.Count; i++)
{
UpgOptions opt = upgrade.options[i];
opt.radius += tempOptions[i].radius;
opt.damage += tempOptions[i].damage;
opt.shootDelay += tempOptions[i].shootDelay;
opt.targetCount += tempOptions[i].targetCount;
}
//unspawn buff fx if we instantiated one
if (tempPowerup.buffFx)
{
PoolManager.Pools["Particles"].Despawn(tempPowerup.buffFx);
}
upgrade.RangeChange();
//restart shot timer, again
CancelInvoke("CheckRange");
float newDelay = upgrade.options[upgrade.curLvl].shootDelay;
float remainTime = lastShot + newDelay - Time.time;
if (remainTime < 0)
{
remainTime = 0;
}
if (remainTime > newDelay)
{
StartInvoke(newDelay);
}
else
{
StartInvoke(remainTime);
}
//unset powerup references
powerup = null;
tempPowerup = null;
}
//try to execute defensive powerup
IEnumerator ActivatePowerUp(DefensivePowerUp powerUp)
{
//double check for requirements
if (!powerUp.CheckRequirements())
{
yield break;
}
else
{
//disable powerup
powerUp.enabled = false;
}
//trigger event notification
if (battlePowerUpActivated != null)
{
battlePowerUpActivated(powerUp);
}
//let the powerup handle its own effects
powerUp.InstantiateFX();
//delay option execution
yield return(new WaitForSeconds(powerUp.startDelay));
//handle boost/buff option
yield return(StartCoroutine(powerUp.BoostTowers()));
//unset target and position for later reuse
powerUp.target = null;
powerUp.position = Vector3.zero;
//wait until the cooldown is over
//before re-enabling the powerup
yield return(new WaitForSeconds(powerUp.cooldown));
powerUp.enabled = true;
}
//try to execute defensive powerup
IEnumerator ActivatePowerUp(DefensivePowerUp powerUp)
{
//do not continue if any of these requirements are not met:
//the powerup is disabled (has cooldown),
//a single target is set but the powerup has no target
if (!powerUp.enabled ||
!powerUp.area && !powerUp.target)
yield break;
else
//disable powerup
powerUp.enabled = false;
//trigger event notification
powerUpActivated(powerUp);
//let the powerup handle its own effects
powerUp.InstantiateFX();
//delay option execution
yield return new WaitForSeconds(powerUp.startDelay);
//handle boost/buff option
yield return StartCoroutine(powerUp.BoostTowers());
//unset target and position for later reuse
powerUp.target = null;
powerUp.position = Vector3.zero;
//wait until the cooldown is over
//before re-enabling the powerup
yield return new WaitForSeconds(powerUp.cooldown);
powerUp.enabled = true;
}
IEnumerator PowerUpBoost()
{
//Debug.Log("buff started: " + Time.time);
//buff TowerBase variables
shotAngle *= powerup.buff.shotAngle;
controlMultiplier *= powerup.buff.controlMultiplier;
//create new powerup instance for cleaning up later
tempPowerup = new DefensivePowerUp();
tempOptions = new List <UpgOptions>();
//iterate over upgrade settings and buff every option in each level
//(even if the user upgrades a tower, this will still ensure buffed values)
for (int i = 0; i < upgrade.options.Count; i++)
{
UpgOptions opt = upgrade.options[i];
tempOptions.Add(new UpgOptions());
tempOptions[i].radius = opt.radius;
tempOptions[i].damage = opt.damage;
tempOptions[i].shootDelay = opt.shootDelay;
tempOptions[i].targetCount = opt.targetCount;
//first cache buff difference, then set new values
//when the buff ends we substract the difference again
tempOptions[i].radius -= opt.radius *= powerup.buff.radius;
tempOptions[i].damage -= opt.damage *= powerup.buff.damage;
tempOptions[i].shootDelay -= opt.shootDelay /= powerup.buff.shootDelay;
tempOptions[i].targetCount -= opt.targetCount += powerup.buff.targetCount;
}
//if an effect is set, spawn buff fx and
//cache the particle gameobject reference in our temporary instance
if (powerup.buffFx)
{
tempPowerup.buffFx = PoolManager.Pools["Particles"].Spawn(powerup.buffFx, transform.position, Quaternion.identity);
}
//update tower range collider/indicator
upgrade.RangeChange();
//restart shot timer with new values (shootDelay)
CancelInvoke("CheckRange");
float newDelay = upgrade.options[upgrade.curLvl].shootDelay;
//calculate time when this tower can shoot again
float remainTime = lastShot + newDelay - Time.time;
if (remainTime < 0)
{
remainTime = 0;
}
//and take the minimum value as new invoke delay
if (remainTime > newDelay)
{
StartInvoke(newDelay);
}
else
{
StartInvoke(remainTime);
}
//wait until the powerup is over before removing it
yield return(new WaitForSeconds(powerup.duration));
RemovePowerUp();
//Debug.Log("buff ended: " + Time.time);
}
//draws a list for all battle powerups
void DrawBattlePowerUpsSelector()
{
EditorGUILayout.BeginVertical(GUILayout.Width(270));
//begin a scrolling view inside GUI, pass in current Vector2 scroll position
scrollPosBattleSelector = EditorGUILayout.BeginScrollView(scrollPosBattleSelector, true, true, GUILayout.Height(325), GUILayout.Width(270));
//iterate over all battle powerups in the main list
for (int i = 0; i < powerUpScript.battlePowerUps.Count; i++)
{
//get the current powerup
BattlePowerUp powerup = powerUpScript.battlePowerUps[i];
//differentiate between offensive and defensive powerup,
//set the gui color correspondingly
if (powerup is OffensivePowerUp)
{
GUI.backgroundColor = offensiveColor;
}
else if (powerup is DefensivePowerUp)
{
GUI.backgroundColor = defensiveColor;
}
//draw a box with the color defined above
//and reset the color to white
GUI.Box(new Rect(5, i * 28, 25, 25), i + " ");
GUI.backgroundColor = Color.white;
//compare powerup in the list with the currently selected one
//if it's the selected one, tint the background yellow
if (powerup == selectedBattle)
{
GUI.backgroundColor = Color.yellow;
}
GUI.Box(new Rect(25, i * 28, 225, 25), "");
GUI.backgroundColor = Color.white;
}
//draw the list of offensive powerups,
//then draw the list of defensive powerups below
if (Event.current.type != EventType.ValidateCommand)
{
DrawBattlePowerUps(script.FindProperty("battleOffensive"), powerUpScript.battleOffensive);
DrawBattlePowerUps(script.FindProperty("battleDefensive"), powerUpScript.battleDefensive);
}
//ends the scrollview defined above
EditorGUILayout.EndScrollView();
//start button layout at the bottom of the left side
//draw box with the background color defined at the beginning
//begin with the offensive powerup add button
EditorGUILayout.BeginHorizontal();
GUI.backgroundColor = offensiveColor;
GUILayout.Box("", GUILayout.Width(20), GUILayout.Height(15));
GUI.backgroundColor = Color.white;
//add a new offensive powerup to the list
if (GUILayout.Button("Add Offensive Power Up"))
{
Undo.RecordObject(powerUpScript, "AddOffensive");
Undo.RecordObject(this, "AddOffensive");
//create new instance
OffensivePowerUp newOff = new OffensivePowerUp();
//insert new powerup at the end of the offensive list
//also add the new powerup to the main list of battle powerups
powerUpScript.battlePowerUps.Insert(powerUpScript.battleOffensive.Count, newOff);
powerUpScript.battleOffensive.Add(newOff);
//mark that the gui changed and update the script values
guiChange = true;
script.Update();
//select the newly created powerup,
//also select the powerup as active selection for editing
selectedBattle = newOff;
battlePowerUpToEdit = script.FindProperty("battleOffensive").GetArrayElementAtIndex(powerUpScript.battleOffensive.Count - 1);
}
EditorGUILayout.EndHorizontal();
//continue with the offensive powerup add button
EditorGUILayout.BeginHorizontal();
GUI.backgroundColor = defensiveColor;
GUILayout.Box("", GUILayout.Width(20), GUILayout.Height(15));
GUI.backgroundColor = Color.white;
//add a new defensive powerup to the list
if (GUILayout.Button("Add Defensive Power Up"))
{
Undo.RecordObject(powerUpScript, "AddDefensive");
Undo.RecordObject(this, "AddDefensive");
//create new instance
DefensivePowerUp newDef = new DefensivePowerUp();
//add new powerup to the end of the defensive list
//also add the new powerup to the main list of battle powerups
powerUpScript.battlePowerUps.Add(newDef);
powerUpScript.battleDefensive.Add(newDef);
//mark that the gui changed and update the scipt values
guiChange = true;
script.Update();
//select the newly created powerup as active selection and for editing
selectedBattle = newDef;
battlePowerUpToEdit = script.FindProperty("battleDefensive").GetArrayElementAtIndex(powerUpScript.battleDefensive.Count - 1);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.EndVertical();
}
//remove the current powerup, undo all the changes
//see the previous method PowerUpBoost() for comments
void RemovePowerUp()
{
shotAngle /= powerup.buff.shotAngle;
controlMultiplier /= powerup.buff.controlMultiplier;
for (int i = 0; i < upgrade.options.Count; i++)
{
UpgOptions opt = upgrade.options[i];
opt.radius /= powerup.buff.radius;
opt.damage /= powerup.buff.damage;
opt.shootDelay *= powerup.buff.shootDelay;
opt.targetCount -= powerup.buff.targetCount;
}
//unspawn buff fx if we instantiated one
if (tempPowerup.buffFx)
PoolManager.Pools["Particles"].Despawn(tempPowerup.buffFx);
upgrade.RangeChange();
//restart shot timer, again
CancelInvoke("CheckRange");
float newDelay = upgrade.options[upgrade.curLvl].shootDelay;
float remainTime = lastShot + newDelay - Time.time;
if (remainTime < 0) remainTime = 0;
if (remainTime > newDelay)
StartInvoke(newDelay);
else
StartInvoke(remainTime);
//unset powerup references
powerup = null;
tempPowerup = null;
}
IEnumerator PowerUpBoost()
{
//Debug.Log("buff started: " + Time.time);
//buff TowerBase variables
shotAngle *= powerup.buff.shotAngle;
controlMultiplier *= powerup.buff.controlMultiplier;
//create new powerup instance for cleaning up later
tempPowerup = new DefensivePowerUp();
//iterate over upgrade settings and buff every option in each level
//(even if the user upgrades a tower, this will still ensure buffed values)
for (int i = 0; i < upgrade.options.Count; i++)
{
UpgOptions opt = upgrade.options[i];
opt.radius *= powerup.buff.radius;
opt.damage *= powerup.buff.damage;
opt.shootDelay /= powerup.buff.shootDelay;
opt.targetCount += powerup.buff.targetCount;
}
//if an effect is set, spawn buff fx and
//cache the particle gameobject reference in our temporary instance
if (powerup.buffFx)
tempPowerup.buffFx = PoolManager.Pools["Particles"].Spawn(powerup.buffFx, transform.position, Quaternion.identity);
//update tower range collider/indicator
upgrade.RangeChange();
//restart shot timer with new values (shootDelay)
CancelInvoke("CheckRange");
float newDelay = upgrade.options[upgrade.curLvl].shootDelay;
//calculate time when this tower can shoot again
float remainTime = lastShot + newDelay - Time.time;
if (remainTime < 0) remainTime = 0;
//and take the minimum value as new invoke delay
if (remainTime > newDelay)
StartInvoke(newDelay);
else
StartInvoke(remainTime);
//wait until the powerup is over before removing it
yield return new WaitForSeconds(powerup.duration);
RemovePowerUp();
//Debug.Log("buff ended: " + Time.time);
}
//activate power up on this tower
//called by GUI -> PowerUps.cs
public void ApplyPowerUp(DefensivePowerUp powerup)
{
//remove previous powerup
if (this.powerup != null)
{
StopCoroutine("PowerUpBoost");
RemovePowerUp();
}
//cache powerup for later remove
//and start coroutine for boosting this tower
this.powerup = powerup;
StartCoroutine("PowerUpBoost");
}