// Override firing
protected override void Fire(Unit target)
{
int offset = (int)(imprecision * Distance(target) / range);
if (missilesReady > 0 && missileTimer > missileInterval && (volleyReady || !volleyMode))
{
if (tubeLeft)
{
projectiles.Add(new Shell(world, new Vector2(center.X - 3, center.Y - 2), target, dmg, pSpeed,
imprecision, sDmg, sRange, pAcceleration, homing));
world.CreateAnimation("explosion2", new Vector2(center.X - 3, center.Y - 2), 0.25f, 0, 16.0f);
}
else
{
projectiles.Add(new Shell(world, new Vector2(center.X + 3, center.Y - 2), target, dmg, pSpeed,
imprecision, sDmg, sRange, pAcceleration, homing));
world.CreateAnimation("explosion1", new Vector2(center.X + 3, center.Y - 2), 0.25f, 0, 16.0f);
}
tubeLeft = !tubeLeft; // swap tubes for next that is fired
firingTimer -= firingRate; // subtracts a missile from storage
missilesReady--;
missileTimer = 0; // reset missile timer so the next launch is delayed slightly
if (playSound)
world.PlaySound(fireSound, center);
if (missilesReady == 0)
volleyReady = false; // the entire volley has been fired
}
}
protected override void Fire(Unit target)
{
projectiles.Add(new Bullet(world, center, target, dmg, pSpeed, imprecision));
firingTimer = 0;
if (fireSound != null && playSound)
world.PlaySound(fireSound, center);
}
int width, height; // width & height of projectile
#endregion Fields
#region Constructors
// Constructor
public Projectile(World world, Vector2 position, Unit target, int dmg, float speed, int imprecision)
{
this.world = world;
this.target = target;
this.position = position;
this.dmg = dmg;
this.speed = speed;
this.imprecision = imprecision;
this.texProjectile = world.texArrow;
}
public Arrow(World world, Vector2 position, Unit target, int dmg, float speed, int imprecision)
: base(world, position, target, dmg, speed, imprecision)
{
texProjectile = world.texArrow;
hitAnimation = "red puff";
missAnimation = "dirt puff";
SetupProjectile();
CalculateMovement();
}
protected override void Fire(Unit target)
{
if (sTimer > sInterval)
{
sTimer = 0;
if (playSound)
world.PlaySound(fireSound, center);
}
projectiles.Add(new Flame(world, new Vector2(center.X, center.Y - 2), target, dmg, pSpeed,
imprecision, sDmg, sRange, pAcceleration));
firingTimer = 0;
}
public GammaRay(World world, Vector2 position, Unit target, int dmg, float speed, int imprecision)
: base(world, position, target, dmg, speed, imprecision)
{
origin = position;
//texProjectile = world.texRay;
additive = false;
scale = 0.4f;
dType = "energy";
color = new Color(0, 0, 0, 0);
CalculateMovement();
SetupProjectile();
}
public Bullet(World world, Vector2 position, Unit target, int dmg, float speed, int imprecision)
: base(world, position, target, dmg, speed, imprecision)
{
texProjectile = world.texBullet;
missAnimation = "dirt puff";
hitAnimation = "red puff";
additive = true;
scale = 0.4f;
dType = "pierce";
color = new Color(255, 150, 150, 255);
CalculateMovement();
SetupProjectile();
}
public Pulse(World world, Vector2 position, Unit target, int dmg, float speed, int imprecision)
: base(world, position, target, dmg, speed, imprecision)
{
texProjectile = world.texBullet;
missAnimation = "redCircle";
hitAnimation = "pulseHit";
dType = "energy";
acceleration = 0;
additive = true;
scale = 0.7f;
color = new Color(255, 60, 60, 255);
CalculateMovement();
SetupProjectile();
}
public Concussion(World world, Vector2 position, Unit target, int dmg, float speed, int imprecision, int netSize, float slowEffect, int duration)
: base(world, position, target, dmg, speed, imprecision)
{
texProjectile = world.texConcussion;
missAnimation = "concussion";
hitAnimation = "concussion";
splash = true;
dType = "energy";
this.netSize = netSize;
this.slowEffect = slowEffect;
this.duration = duration;
CalculateMovement();
SetupProjectile();
}
public Flame(World world, Vector2 position, Unit target, int dmg, float speed, int imprecision, int sDmg,
int sRange, float acceleration)
: base(world, position, target, dmg, speed, imprecision)
{
texProjectile = world.texFire;
hitAnimation = "explosion3";
missAnimation = hitAnimation;
dType = "burn";
splash = true;
this.sDmg = sDmg;
this.sRange = sRange;
this.homing = homing;
this.acceleration = acceleration;
SetupProjectile();
CalculateMovement();
}
protected override void Fire(Unit target)
{
int offset = (int)(imprecision * Distance(target) / range);
if (missilesReady > 0 && missileTimer > missileInterval && (volleyReady || !volleyMode))
{
world.CreateAnimation("redCircle", new Vector2(center.X, center.Y), 0.6f, 0, 15.0f);
world.CreateAnimation("redCircle", new Vector2(center.X, center.Y), 0.6f, 0, 15.0f);
projectiles.Add(new Pulse(world, new Vector2(center.X, center.Y), target, dmg, pSpeed,
imprecision));
firingTimer -= firingRate; // subtracts a missile from storage
missilesReady--;
missileTimer = 0; // reset missile timer so the next launch is delayed slightly
if (playSound)
world.PlaySound(fireSound, center);
if (missilesReady == 0)
volleyReady = false; // the entire volley has been fired
}
}
// Override firing
protected override void Fire(Unit target)
{
// The mg tower alternates its firing between two points and creates a flash effect as well
if (barrelLeft)
{
world.CreateAnimation("lightCircle", new Vector2(center.X - 5, center.Y - 3), 0.6f, 0, 15.0f);
projectiles.Add(new Bullet(world, new Vector2(center.X - 5, center.Y), target, dmg, pSpeed, imprecision));
//world.CreateAnimation("flash", new Vector2(center.X - 5, center.Y - 3), 0.5f, 0, 15.0f);
}
else
{
world.CreateAnimation("lightCircle", new Vector2(center.X + 5, center.Y - 3), 0.6f, 0, 15.0f);
projectiles.Add(new Bullet(world, new Vector2(center.X + 5, center.Y), target, dmg, pSpeed, imprecision));
//world.CreateAnimation("flash", new Vector2(center.X + 5, center.Y - 3), 0.5f, 0, 15.0f);
}
if (playSound)
world.PlaySound(fireSound, center);
barrelLeft = !barrelLeft; // other barrel for next shot
firingTimer = 0;
}
public Shell(World world, Vector2 position, Unit target, int dmg, float speed, int imprecision, int sDmg,
int sRange, float acceleration, Boolean homing)
: base(world, position, target, dmg, speed, imprecision)
{
texProjectile = world.texRocket;
hitAnimation = "explosion1";
hitSound = "RndExplosion";
missAnimation = hitAnimation;
dType = "explosive";
maxSpeed = 15;
splash = true;
this.sDmg = sDmg;
this.sRange = sRange;
this.homing = homing;
this.acceleration = acceleration;
SetupProjectile();
CalculateMovement();
}
// Gets the distance between target and tower's center
protected float Distance(Unit target)
{
// Standard distance formula
return (target.Center - center).Length();
}
// Fire a new projectile at target and reset firing timer
protected virtual void Fire(Unit target)
{
// Very simple firing method that should be overridden by a more
// unique method for new towers. Firing consists of adding
// projectiles with specific targets and then reloading
projectiles.Add(new Arrow(world, center, target, dmg, pSpeed, imprecision));
// Setting the firing timer to 0 requires the tower to have to wait
// until it can fire again (reload)
firingTimer -= firingRate;
if (fireSound != null && playSound)
world.PlaySound(fireSound, center);
}
protected override void Fire(Unit target)
{
if (firingTimer >= firingRate)
{
if (playSound)
world.PlaySound(fireSound, center);
target.Damage(dmg + dmgBonus, "energy");
world.CreateAnimation("beamHit", target.Center, 0.25f, 0, 10f);
world.CreateAnimation("lightCircle", target.Center, 0.25f, 0, 10f);
firingTimer = 0f;
dmgBonus += dmg;
}
}
public override void undoEffect(Unit unit)
{
}
public override void applyEffects(Unit unit)
{
unit.Damage(burnDmg,"burn");
}
// Handles the entire process of creating unit waves and bosses
private void UpdateWaves()
{
spawnTimer += (float)time.ElapsedGameTime.TotalMilliseconds;
if (bossUnit!= null && bossEvent && bossUnit.Dead)
{
bossEvent = false;
//game.music.EndBossEvent();
}
// Time for a new wave
if (spawnTimer > spawnInterval)
{
int spawn = spawnRand.Next(spawns.Length);
// Move through the unit type sequence
unitType++;
if (unitType == 5)
unitType = 1;
// Add the new wave
waves.Add(new Wave(game, unitType, spawns[spawn],
spawnSize, tile, unitInterval));
game.status.Wave += 1;
spawnTimer = 0f;
// Add a boss if its time to
if (game.status.Wave % numberOfWavesPerStage == 0)
{
bossEvent = true;
bossUnit = new Unit(game, spawns[spawn], Vector2.Zero, Vector2.Zero, 0.5f, 1,
texUnit, texUnitDead, game.status.Wave * 2, game.status.Wave * 1000);
bossUnit.Scale = 0.6f;
bossUnit.Color = Color.MediumOrchid;
enemyUnits.Add(bossUnit);
//game.music.TriggerBossEvent();
game.status.Created++;
}
}
// Remove old waves and update current ones
for (int i = 0; i < waves.Count; i++)
{
waves[i].Update(time);
if (waves[i].Finished)
{
waves.RemoveAt(i);
i--;
}
}
}
// Checks to see which targets are in splash range of the projectile
protected Boolean IsInSRange(Unit target)
{
if ((Math.Sqrt(Math.Pow(target.Position.X - position.X, 2) +
Math.Pow(target.Position.Y - position.Y, 2))) < sRange)
return true;
return false;
}
protected override void Fire(Unit target)
{
projectiles.Add(new Concussion(world, pOrigin, AcquireClosestTarget(), dmg, pSpeed, imprecision, sRange, slowEffect, duration));
firingTimer = 0;
}
public override void applyEffects(Unit unit)
{
unit.Speed = unit.DSpeed * (1 - slowEffect);
}
public override void undoEffect(Unit unit)
{
unit.Speed = unit.DSpeed;
}
public abstract void undoEffect(Unit unit);
protected override void Fire(Unit target)
{
addEffect();
}
public abstract void applyEffects(Unit unit);
// Update the tower and its projectiles
public virtual void Update(GameTime gameTime)
{
ArrayList keysToRemove = applyEffects(gameTime);
removeEffect(keysToRemove);
// Increments the firing timer until tower can fire
Reload(gameTime);
// If ready to fire...
if (firingTimer >= firingRate && targetCheckTimer >= targetCheckInterval)
{
// Update target if current one is dead or out of range
if (target == null || target.Dead || Distance(target) > range)
{
target = CheckForTargets();
if (target == null)
targetCheckTimer = 0;
}
else
{
Fire(target); // If there is a valid target, fire at it
}
}
else
{
targetCheckTimer += (float)gameTime.ElapsedGameTime.TotalMilliseconds;
}
UpdateProjectiles(); // update projectiles
}