public void DestroyAll()
{
for (int i = Enemies.Count; i > 0; i--)
{
EnemyInstance enemy = Enemies[i - 1];
enemy.Destroy();
Enemies.Remove(enemy);
}
}
//
// Heat seeking
//
public ProjectileInstance(Projectile projectile, Vector3 sourcePos, EnemyInstance enemy, float waveTimeFired, LevelDescription desc)
{
LevelDesc = desc;
ProjectileType = projectile;
LastUpdateTime = waveTimeFired;
FireTime = waveTimeFired;
#if LEVEL_EDITOR
Position = new Vector3(sourcePos.X, PROJECTILE_HEIGHT, sourcePos.X);
#else
Position = new Vector3(sourcePos.x, PROJECTILE_HEIGHT, sourcePos.z);
#endif
Enemy = enemy;
IsComplete = false;
go = GameObjectFactory.InstantiateObject(ProjectileType.Asset);
GameObjectFactory.SetMapPos(go, Position);
heatSeeking = true;
}
void SpawnNewEnemies(float waveTime)
{
// Have we spawned all the enemies yet?
// If not, are we due to spawn one or more enemies?
while (SpawnedCount < Desc.Count)
{
float nextSpawnTime = LastSpawnTime + EnemyType.SpawnRate;
if (waveTime > nextSpawnTime)
{
EnemyInstance newEnemy = new EnemyInstance(EnemyType, nextSpawnTime);
newEnemy.UpdatePosition(LevelDesc);
Enemies.Add(newEnemy);
LastSpawnTime = nextSpawnTime;
SpawnedCount++;
}
else
{
break;
}
}
}
bool AdvanceEnemyPositionsAndReportIfAnyActive(float waveTime)
{
bool isActive = false;
for (int i = 0; i < Enemies.Count; i++)
{
EnemyInstance enemy = Enemies[i];
if (enemy.IsActive)
{
float timeSinceLastTick = waveTime - enemy.LastMoveTime;
float progressSinceLastTick = timeSinceLastTick * enemy.Desc.MovementSpeed;
if (enemy.SpeedSlowdown > progressSinceLastTick)
{
progressSinceLastTick = 0.0F;
}
else
{
progressSinceLastTick -= enemy.SpeedSlowdown;
}
float newPosition = enemy.LinearProgress + progressSinceLastTick;
if (newPosition > (float)RoadSegments)
{
enemy.LinearProgress = (float)RoadSegments;
enemy.ReachedFinishLine = true;
LivesLostToReport++;
}
else
{
enemy.LinearProgress = newPosition;
}
enemy.UpdatePosition(LevelDesc);
enemy.LastMoveTime = waveTime;
isActive = true;
}
}
return(isActive);
}
void ApplyProjectileEffects(float waveTime)
{
for (int i = 0; i < Enemies.Count; i++)
{
EnemyInstance enemy = Enemies[i];
if (!enemy.IsActive)
{
continue;
}
float damage = 0.0F;
float slowdown = 0.0F;
for (int j = enemy.ActiveEffects.Count; j > 0; j--)
{
EffectInstance effect = enemy.ActiveEffects[j - 1];
float impact = effect.AdvanceAndReportImpact(waveTime);
switch (effect.Effect.EffectType)
{
case ProjectileEffectType.Damage:
damage += impact;
break;
case ProjectileEffectType.Slow:
slowdown += impact;
break;
}
if (effect.Completed)
{
effect.Destroy();
enemy.ActiveEffects.Remove(effect);
effect = null;
}
}
if (null != DamageCallback)
{
DamageCallback.Invoke(enemy, damage);
}
else
{
if (enemy.HealthRemaining <= damage)
{
// Enemy is dead
enemy.HealthRemaining = 0.0F;
enemy.Destroy();
CoinEarnedToReport += enemy.Desc.Coins;
}
else
{
enemy.HealthRemaining -= damage;
}
}
enemy.SpeedSlowdown = slowdown;
}
}