public void UseItem(uint hpid)
{
//TODO: move healing of bats/bots to cfg?
const float HIT_PTS_PER_BAT = 300;
const float HIT_PTS_PER_BOT = 600;
ShipItem item = player.Ship.FindByHpid(hpid);
if (item == null)
{
return;
}
// Calculate the number of shield bats needed to fully recharge the shield and if possible
// repair the shield and use the items.
if (item.arch is ShieldBatteryArchetype && Shield != null && Shield.Health < 1.0f)
{
uint bats_needed = 1 + (uint)(((1.0f - Shield.Health) * Shield.Arch.MaxCapacity) / HIT_PTS_PER_BAT);
if (bats_needed > item.count)
{
bats_needed = item.count;
}
if (bats_needed > 0)
{
Items[item.hpid].count -= bats_needed;
if (player != null)
{
player.SendUseItem(Objid, item.hpid, bats_needed);
}
RepairShield(bats_needed * HIT_PTS_PER_BAT);
}
}
// Otherwise try to repair the hull
else if (item.arch is RepairKitArchetype && Health < 1.0f)
{
uint bots_needed = 1 + (uint)(((1.0f - Health) * Arch.HitPts) / HIT_PTS_PER_BOT);
if (bots_needed > item.count)
{
bots_needed = item.count;
}
if (bots_needed > 0)
{
Items[item.hpid].count -= bots_needed;
if (player != null)
{
player.SendUseItem(Objid, item.hpid, bots_needed);
}
RepairHull(bots_needed * HIT_PTS_PER_BOT);
}
}
}
/// <summary>
/// Repair equipment by hpid if it exists
/// </summary>
/// <param name="hpid"></param>
/// <param name="hit_pts"></param>
public void RepairEquipment(uint hpid, float hit_pts)
{
if (hit_pts <= 0)
{
return;
}
// Repair equipment if we can find it.
ShipItem item = FindByHpid(hpid);
if (item != null && item.arch is EquipmentArchetype && item.health > 0)
// fixme: change to external equipment
{
item.health += hit_pts / item.arch.HitPts;
if (item.health > 1.0f)
{
item.health = 1.0f;
}
Runner.NotifyOnSetHitPoints(Objid, item.hpid, item.health * item.arch.HitPts, false);
}
}
public GunSim(Ship ship, ShipItem item)
{
this.ship = ship;
this.item = item;
arch = item.arch as GunArchetype;
}
/// <summary>
/// Damage the ship, either the shield, external equipment or hull.
/// </summary>
/// <param name="hpid">Subtarget taking damage</param>
/// <param name="energy_damage">The energy damage in hitpts</param>
/// <param name="hull_damage">The hull damage in hitpts</param>
/// <param name="type">Weapon type.</param>
/// <returns>Returns true if the ship or an equipment item was destroyed</returns>
public bool Damage(uint hpid, float energy_damage, float hull_damage, DeathCause cause)
{
if (energy_damage < 0 || hull_damage < 0)
{
return(false);
}
if (energy_damage == 0 && hull_damage == 0)
{
return(false);
}
// If we have an active shield ignore hits on the hull or external equipment
// and make them on the shield.
if (Shield != null && (Shield.Health > 0 || hpid == 0xFFF1))
{
// Step 1: calculate shield damage from energy damage
float relative_shield_damage = (energy_damage * 1.0f) / Shield.Arch.MaxCapacity;
Shield.Health -= relative_shield_damage;
if (Shield.Health <= 0)
{
energy_damage = -Shield.Health * 1.0f * Shield.Arch.MaxCapacity;
Shield.Health = 0;
}
else
{
energy_damage = 0;
// Step 2 : calculate shield damage from hull damage if the shield is still up
relative_shield_damage = (hull_damage * 0.5f) / Shield.Arch.MaxCapacity;
Shield.Health -= relative_shield_damage;
if (Shield.Health < 0)
{
hull_damage = -Shield.Health * 1.0f * Shield.Arch.MaxCapacity;
Shield.Health = 0;
}
else
{
hull_damage = 0;
}
}
if (Shield.Health < Shield.Arch.OfflineThreshold)
{
Shield.OfflineTime = Shield.Arch.OfflineRebuildTime;
}
Runner.NotifyOnSetHitPoints(Objid, DamageListItem.SHIELD, Shield.Health * Shield.Arch.MaxCapacity, false);
}
// Any remaining energy damage hits the powerplant
if (energy_damage > 0)
{
Powergen.CurrPower -= energy_damage;
Runner.NotifyOnSetHitPoints(Objid, Powergen.Item.hpid, Powergen.CurrPower, false);
}
// Avoid running the rest if the shield absorbed all damage
if (hull_damage <= 0)
{
return(false);
}
bool hasDestroyedSomething = false;
// Otherwise if this is a hit on an external equipment item do the hit on that
ShipItem item = FindByHpid(hpid);
if (item != null && item.arch is ExternalEquipmentArechetype && item.health > 0)
{
item.health -= (hull_damage / item.arch.HitPts) * _armorDamageFactor;
if (item.health < 0)
{
hull_damage = -item.health * item.arch.HitPts / _armorDamageFactor;
item.health = 0;
}
if (item.health == 0)
{
Runner.NotifyOnSetHitPoints(Objid, item.hpid, 0, true);
Items.Remove(item.hpid);
hasDestroyedSomething = true;
}
Runner.NotifyOnSetHitPoints(Objid, item.hpid, item.health * item.arch.HitPts, false);
}
// Avoid running the rest if the equipment absorbed all damage
if (hull_damage <= 0)
{
return(hasDestroyedSomething);
}
// Otherwise this is a hull hit.
Health -= (hull_damage / Arch.HitPts) * _armorDamageFactor;
if (Health < 0)
{
Health = 0;
}
if (Health == 0)
{
Destroy(cause);
return(true);
}
Runner.NotifyOnSetHitPoints(Objid, DamageListItem.HULL, Health * Arch.HitPts, false);
return(hasDestroyedSomething);
}
public ThrusterSim(Ship ship, ShipItem item)
{
this.ship = ship;
this.item = item;
arch = item.arch as ThrusterArchetype;
}
