/// <summary>
/// Render unit, returns false if we are done with it.
/// Has to be removed then. Else it updates just position and AI.
/// </summary>
/// <returns>True if done, false otherwise</returns>
public bool Render(Mission mission)
{
#region Update movement with AI
lifeTimeMs += BaseGame.ElapsedTimeThisFrameInMs;
float moveSpeed = BaseGame.MoveFactorPerSecond;
if (Player.GameOver)
moveSpeed = 0;
switch (movementPattern)
{
case MovementPattern.StraightDown:
position += new Vector2(0, -1) * maxSpeed * moveSpeed;
break;
case MovementPattern.GetFasterAndMoveDown:
// Out of visible area? Then keep speed slow and wait.
if (position.Y - Mission.LookAtPosition.Y > 30)
lifeTimeMs = 300;
if (lifeTimeMs < 3000)
speed = lifeTimeMs / 3000;
position += new Vector2(0, -1) * speed * 1.5f * maxSpeed * moveSpeed;
break;
case MovementPattern.SinWave1:
position += new Vector2(
(float)Math.Sin(lifeTimeMs / 759.0f),
-1) * maxSpeed * moveSpeed;
break;
case MovementPattern.SinWave2:
position += new Vector2(
-(float)Math.Sin(lifeTimeMs / 759.0f),
-1) * maxSpeed * moveSpeed;
break;
case MovementPattern.SinWave3:
position += new Vector2(
(float)Math.Sin(lifeTimeMs / 359.0f),
-1) * maxSpeed * moveSpeed;
break;
case MovementPattern.CosWave1:
position += new Vector2(
(float)Math.Cos(lifeTimeMs / 759.0f),
-1) * maxSpeed * moveSpeed;
break;
case MovementPattern.CosWave2:
position += new Vector2(
-(float)Math.Cos(lifeTimeMs / 759.0f),
-1) * maxSpeed * moveSpeed;
break;
case MovementPattern.CosWave3:
position += new Vector2(
(float)Math.Cos(lifeTimeMs / 1759.0f),
-1) * maxSpeed * moveSpeed;
break;
case MovementPattern.SweepLeft:
position += new Vector2(0, -1) * maxSpeed * moveSpeed;
if (lifeTimeMs > 1750)
position += new Vector2(-0.7f, 0) * maxSpeed * moveSpeed;
break;
case MovementPattern.SweepRight:
position += new Vector2(0, -1) * maxSpeed * moveSpeed;
if (lifeTimeMs > 1750)
position += new Vector2(+0.7f, 0) * maxSpeed * moveSpeed;
break;
} // switch(movementPattern)
// Keep in bounds
if (position.X < -Player.MaxXPosition)
position.X = -Player.MaxXPosition;
if (position.X > Player.MaxXPosition)
position.X = Player.MaxXPosition;
#endregion
#region Skip if out of visible range
float distance = Mission.LookAtPosition.Y - position.Y;
const float MaxUnitDistance = 60;
// Remove unit if it is out of visible range!
if (distance > MaxUnitDistance)
return true;
bool visible = distance > -35;
#endregion
#region Render
Vector3 shipPos = new Vector3(position, Mission.AllShipsZHeight);
Mission.ShipModelTypes shipModelType =
unitType == UnitTypes.Corvette ? Mission.ShipModelTypes.Corvette :
unitType == UnitTypes.SmallTransporter ? Mission.ShipModelTypes.SmallTransporter :
unitType == UnitTypes.Firebird ? Mission.ShipModelTypes.Firebird :
unitType == UnitTypes.RocketFrigate ? Mission.ShipModelTypes.RocketFrigate :
Mission.ShipModelTypes.Asteroid;
float shipSize = Mission.ShipModelSize[(int)shipModelType];
//Note: rotation could be implemented here, but game is fine without
float shipRotation = 0;
Matrix rotationMatrix = Matrix.CreateRotationZ(shipRotation);
if (unitType == UnitTypes.Asteroid)
rotationMatrix *=
Matrix.CreateRotationX(position.X / 10 + Player.gameTimeMs / 1539.0f) *
Matrix.CreateRotationY(position.Y / 20 + Player.gameTimeMs / 1839.0f);
mission.AddModelToRender(
mission.shipModels[(int)shipModelType],
Matrix.CreateScale(shipSize) *
rotationMatrix *
Matrix.CreateTranslation(shipPos));
// Add rocket smoke
if (unitType != UnitTypes.Asteroid)
EffectManager.AddRocketOrShipFlareAndSmoke(
shipPos + shipSize *
new Vector3(0, 0.6789f + ((int)unitType > 3 ? 0.25f : 0.0f), 0),
shipSize / 4.0f, 12 * maxSpeed);
#endregion
#region Shooting?
if (Player.GameOver)
return false;
// Peng peng?
bool fireProjectile = false;
if (cooldownTime > 0 &&
visible)
{
// Ready to shoot again?
if (shootTime <= 0)
{
fireProjectile = true;
shootTime += cooldownTime;
} // if (shootTime)
} // if (GameForm.Mouse.LeftButtonPressed)
// Weapon needs cooldown time?
if (shootTime > 0)
shootTime -= BaseGame.ElapsedTimeThisFrameInMs;
if (fireProjectile)
{
Vector3 shootPos = Vector3.Zero;
Vector3 enemyUnitPos = Player.shipPos;
switch (unitType)
{
case UnitTypes.Corvette:
if ((int)(lifeTimeMs / 700) % 3 == 0)
{
// Just shoot straight ahead.
bool hitUnit = Math.Abs(Player.position.X - shipPos.X) < 4.5f &&
Player.shipPos.Y < shipPos.Y;
shootPos = shipPos +
new Vector3(-2.35f, -3.5f, +0.2f);
EffectManager.AddMgEffect(shootPos,
hitUnit ? enemyUnitPos : shootPos + new Vector3(0, -40, 0),
10, 12, hitUnit, false);//shootNum % 2 == 0);
shootPos = shipPos +
new Vector3(+2.35f, -3.5f, +0.2f);
EffectManager.AddMgEffect(shootPos,
hitUnit ? enemyUnitPos : shootPos + new Vector3(0, -40, 0),
10, 13, hitUnit, false);
EffectManager.PlaySoundEffect(
EffectManager.EffectSoundType.MgShootEnemy);
if (hitUnit)
{
Player.health -= damage / 1000.0f;
} // if
} // if
break;
case UnitTypes.Firebird:
shootPos = shipPos + new Vector3(0, -1.5f, 3);
Mission.AddWeaponProjectile(
Projectile.WeaponTypes.Fireball, shootPos, false);
EffectManager.AddFireFlash(shootPos);
EffectManager.PlaySoundEffect(
EffectManager.EffectSoundType.EnemyShoot);
break;
case UnitTypes.RocketFrigate:
shootPos = shipPos + new Vector3(
RandomHelper.GetRandomInt(2) == 0 ? -2.64f : +2.64f, 0, 0);
Mission.AddWeaponProjectile(
Projectile.WeaponTypes.Rocket, shootPos, false);
EffectManager.AddFireFlash(shootPos);
EffectManager.PlaySoundEffect(
EffectManager.EffectSoundType.RocketShoot);
break;
} // switch
} // if
#endregion
#region Explode if out of hitpoints
// Destroy ship and damage player if colliding!
// Near enough to our ship?
Vector2 distVec =
new Vector2(Player.shipPos.X, Player.shipPos.Y) -
new Vector2(position.X, position.Y);
if (distVec.Length() < 4.75f)//5.5f)
{
// Explode and do damage!
EffectManager.AddFlameExplosion(Player.shipPos);
Player.health -= explosionDamage / 1000.0f;
hitpoints = 0;
} // else
if (maxHitpoints > 0 &&
hitpoints <= 0)
{
// Explode and kill unit!
float size = 10 + (int)unitType * 3;
if (unitType == UnitTypes.Asteroid)
size = 12;
EffectManager.AddExplosion(
new Vector3(position, Mission.AllShipsZHeight),
size * 0.425f);
//size * 0.55f);
return true;
} // if (hitpoints.X)
#endregion
// Don't remove unit from units list
return false;
}
/// <summary>
/// Render unit, returns false if we are done with it.
/// Has to be removed then. Else it updates just position and AI.
/// </summary>
/// <returns>True if done, false otherwise</returns>
public bool Render(Mission mission)
{
#region Skip if out of visible range
float distance = Mission.LookAtPosition.Y - position.Y;
const float MaxUnitDistance = 60;
// Remove unit if it is out of visible range!
if (distance > MaxUnitDistance)
return true;
#endregion
#region Render
float itemSize = Mission.ItemModelSize;
float itemRotation = 0;
Vector3 itemPos = new Vector3(position, Mission.AllShipsZHeight);
mission.AddModelToRender(
mission.itemModels[(int)itemType],
Matrix.CreateScale(itemSize) *
Matrix.CreateRotationZ(itemRotation) *
Matrix.CreateTranslation(itemPos));
// Add glow effect
EffectManager.AddEffect(itemPos + new Vector3(0, 0, 1.01f),
EffectManager.EffectType.LightInstant,
7.5f, 0, 0);
EffectManager.AddEffect(itemPos + new Vector3(0, 0, 1.02f),
EffectManager.EffectType.LightInstant,
5.0f, 0, 0);
#endregion
#region Collect
// Collect item and give to player if colliding!
Vector2 distVec =
new Vector2(Player.shipPos.X, Player.shipPos.Y) -
new Vector2(position.X, position.Y);
if (distVec.Length() < 5.0f)
{
if (itemType == ItemTypes.Health)
{
// Refresh health
Sound.Play(Sound.Sounds.Health);
Player.health = 1.0f;
} // if
else
{
Sound.Play(Sound.Sounds.NewWeapon);
if (itemType == ItemTypes.Mg)
Player.currentWeapon = Player.WeaponTypes.MG;
else if (itemType == ItemTypes.Plasma)
Player.currentWeapon = Player.WeaponTypes.Plasma;
else if (itemType == ItemTypes.Gattling)
Player.currentWeapon = Player.WeaponTypes.Gattling;
else if (itemType == ItemTypes.Rockets)
Player.currentWeapon = Player.WeaponTypes.Rockets;
else if (itemType == ItemTypes.Emp &&
Player.empBombs < 5)
Player.empBombs++;
} // else
Player.score += 500;
return true;
} // else
#endregion
// Don't remove unit from items list
return false;
}
/// <summary>
/// Render projectile, returns false if we are done with it.
/// Has to be removed then. Else it updates just position.
/// </summary>
/// <returns>True if done, false otherwise</returns>
public bool Render(Mission mission)
{
#region Update movement
lifeTimeMs += BaseGame.ElapsedTimeThisFrameInMs;
float moveSpeed = BaseGame.MoveFactorPerSecond;
if (Player.GameOver)
moveSpeed = 0;
switch (weaponType)
{
case WeaponTypes.Fireball:
position += moveDirection * maxSpeed * moveSpeed;
break;
case WeaponTypes.Rocket:
if (ownProjectile)
position += new Vector3(0, +1, 0) * maxSpeed * moveSpeed * 1.1f;
else
{
// Fly to player
Vector3 targetMovement = Player.shipPos - position;
targetMovement.Normalize();
moveDirection = moveDirection * 0.95f + targetMovement * 0.05f;
moveDirection.Normalize();
position += moveDirection * maxSpeed * moveSpeed;
} // else
break;
case WeaponTypes.Plasma:
if (ownProjectile)
position += new Vector3(0, +1, 0) * maxSpeed * moveSpeed * 1.25f;
else
position += new Vector3(0, -1, 0) * maxSpeed * moveSpeed;
break;
// Rest are items, they just stay around
} // switch(movementPattern)
#endregion
#region Skip if out of visible range
float distance = Mission.LookAtPosition.Y - position.Y;
const float MaxUnitDistance = 35;
// Remove unit if it is out of visible range!
if (distance > MaxUnitDistance ||
distance < -MaxUnitDistance * 2 ||
position.Z < 0 ||
lifeTimeMs > 6000)
return true;
#endregion
#region Render
switch (weaponType)
{
case WeaponTypes.Rocket:
float rocketRotation = MathHelper.Pi;
if (ownProjectile == false)
rocketRotation = MathHelper.PiOver2 + GetRotationAngle(moveDirection);
mission.AddModelToRender(
mission.shipModels[(int)Mission.ShipModelTypes.Rocket],
Matrix.CreateScale(
(ownProjectile ? 1.25f : 0.75f) *
Mission.ShipModelSize[(int)Mission.ShipModelTypes.Rocket]) *
Matrix.CreateRotationZ(rocketRotation) *
Matrix.CreateTranslation(position));
// Add rocket smoke
EffectManager.AddRocketOrShipFlareAndSmoke(position, 1.5f, 6 * maxSpeed);
break;
case WeaponTypes.Plasma:
EffectManager.AddPlasmaEffect(position, effectRotation, 1.25f);
break;
case WeaponTypes.Fireball:
EffectManager.AddFireBallEffect(position, effectRotation, 1.25f);
break;
} // switch
#endregion
#region Explode if hitting unit
// Own projectile?
if (ownProjectile)
{
// Hit enemy units, check all of them
for (int num = 0; num < Mission.units.Count; num++)
{
Unit enemyUnit = Mission.units[num];
// Near enough to enemy ship?
Vector2 distVec =
new Vector2(enemyUnit.position.X, enemyUnit.position.Y) -
new Vector2(position.X, position.Y);
if (distVec.Length() < 7 &&
(enemyUnit.position.Y - Player.shipPos.Y) < 60)
{
// Explode and do damage!
EffectManager.AddFlameExplosion(position);
Player.score += (int)enemyUnit.hitpoints / 10;
enemyUnit.hitpoints -= damage;
return true;
} // if
} // for
} // if
// Else this is an enemy projectile?
else
{
// Near enough to our ship?
Vector2 distVec =
new Vector2(Player.shipPos.X, Player.shipPos.Y) -
new Vector2(position.X, position.Y);
if (distVec.Length() < 2.75f)//3)
{
// Explode and do damage!
EffectManager.AddFlameExplosion(position);
Player.health -= damage / 1000.0f;
return true;
} // if
} // else
#endregion
// Don't remove unit from units list
return false;
}