public static float GetProjectileSpeed(MyGunBase gun)
{
if (gun == null)
{
Debug.Fail("Invalid argument");
return 0;
}
float shotSpeed = 0;
if (gun.CurrentAmmoMagazineDefinition != null)
{
var ammoDefinition = MyDefinitionManager.Static.GetAmmoDefinition(gun.CurrentAmmoMagazineDefinition.AmmoDefinitionId);
shotSpeed = ammoDefinition.DesiredSpeed;
//if (ammoDefinition.AmmoType == MyAmmoType.Missile)
//{
// //missiles are accelerating, shotSpeed is reached later
// var mDef = (Sandbox.Definitions.MyMissileAmmoDefinition)ammoDefinition;
// if (mDef.MissileInitialSpeed == 100f && mDef.MissileAcceleration == 600f && ammoDefinition.DesiredSpeed == 700f)//our missile
// {//This is very good&fast correction for our missile, but not for some modded exotics with different performance
// //still does not take parallel component of velocity into account, I know, but its accurate enough
// shotSpeed = 800f - 238431f / (397.42f + (float)(predictedPosition - gun.GetMuzzleWorldPosition()).Length());
// }
// //else {unknown missile, keep shotSpeed without correction}
//}
}
return shotSpeed;
}
public MySmallMissileLauncher()
{
m_gunBase = new MyGunBase();
m_soundEmitter = new MyEntity3DSoundEmitter(this, true);
m_useConveyorSystem.Value = true;
SyncType.Append(m_gunBase);
}
public MySmallMissileLauncher()
{
m_gunBase = new MyGunBase();
m_soundEmitter = new MyEntity3DSoundEmitter(this);
m_useConveyorSystem.Value = true;
SyncType.Append(m_gunBase);
}
public static float GetProjectileSpeed(MyGunBase gun)
{
if (gun == null)
{
Debug.Fail("Invalid argument");
return(0);
}
float shotSpeed = 0;
if (gun.CurrentAmmoMagazineDefinition != null)
{
var ammoDefinition = MyDefinitionManager.Static.GetAmmoDefinition(gun.CurrentAmmoMagazineDefinition.AmmoDefinitionId);
shotSpeed = ammoDefinition.DesiredSpeed;
//if (ammoDefinition.AmmoType == MyAmmoType.Missile)
//{
// //missiles are accelerating, shotSpeed is reached later
// var mDef = (Sandbox.Definitions.MyMissileAmmoDefinition)ammoDefinition;
// if (mDef.MissileInitialSpeed == 100f && mDef.MissileAcceleration == 600f && ammoDefinition.DesiredSpeed == 700f)//our missile
// {//This is very good&fast correction for our missile, but not for some modded exotics with different performance
// //still does not take parallel component of velocity into account, I know, but its accurate enough
// shotSpeed = 800f - 238431f / (397.42f + (float)(predictedPosition - gun.GetMuzzleWorldPosition()).Length());
// }
// //else {unknown missile, keep shotSpeed without correction}
//}
}
return(shotSpeed);
}
/// <summary>
/// Algorithm to predict the position of the target
/// </summary>
public static bool GetPredictedTargetPosition(MyGunBase gun, MyEntity shooter, MyEntity target, out Vector3 predictedPosition, out float timeToHit, float shootDelay = 0)
{
Debug.Assert(target != null && target.PositionComp != null, "Null target!");
Debug.Assert(shooter != null && shooter.PositionComp != null, "Null shooter!");
if (target == null || target.PositionComp == null || shooter == null || shooter.PositionComp == null)
{
predictedPosition = Vector3.Zero;
timeToHit = 0;
return false;
}
Vector3 targetPosition = target.PositionComp.WorldAABB.Center;
Vector3 muzzlePosition = gun.GetMuzzleWorldPosition();
Vector3 toTarget = targetPosition - muzzlePosition;
Vector3 targetVelocity = Vector3.Zero;
if (target.Physics != null)
{
targetVelocity = target.Physics.LinearVelocity;
}
Vector3 shooterVelocity = Vector3.Zero;
if (shooter.Physics != null)
{
shooterVelocity = shooter.Physics.LinearVelocity;
}
Vector3 diffVelocity = targetVelocity - shooterVelocity;
float projectileSpeed = GetProjectileSpeed(gun);
float a = diffVelocity.LengthSquared() - projectileSpeed * projectileSpeed;
float b = 2 * Vector3.Dot(diffVelocity, toTarget);
float c = toTarget.LengthSquared();
float p = -b / (2 * a);
float q = (float)Math.Sqrt((b * b) - 4 * a * c) / (2 * a);
float t1 = p - q;
float t2 = p + q;
float t;
if (t1 > t2 && t2 > 0)
{
t = t2;
}
else
{
t = t1;
}
t = t + shootDelay;
predictedPosition = targetPosition + diffVelocity * t;
Vector3 bulletPath = predictedPosition - muzzlePosition;
timeToHit = bulletPath.Length() / projectileSpeed;
return true;
}
//[TerminalValues(MySpaceTexts.SwitchText_On, MySpaceTexts.SwitchText_Off)]
//[Terminal(2, MyPropertyDisplayEnum.Switch, MySpaceTexts.Terminal_UseConveyorSystem, MySpaceTexts.Blank)]
//[Obfuscation(Feature = Obfuscator.NoRename, Exclude = true)]
//public MyStringId UseConveyorSystemGui
//{
// get { return m_useConveyorSystem ? MySpaceTexts.SwitchText_On : MySpaceTexts.SwitchText_Off; }
// set
// {
// if (m_useConveyorSystem != (value == MySpaceTexts.SwitchText_On))
// {
// m_useConveyorSystem = (value == MySpaceTexts.SwitchText_On);
// OnPropertiesChanged();
// }
// }
//}
//[TerminalValueSetter(2)]
//public void RequestUseConveyorSystemChange(MyStringId newVal)
//{
// MySyncConveyors.SendChangeUseConveyorSystemRequest(EntityId, newVal == MySpaceTexts.SwitchText_On);
//}
public override void Init(MyObjectBuilder_CubeBlock builder, MyCubeGrid cubeGrid)
{
SyncFlag = true;
var ob = builder as MyObjectBuilder_SmallMissileLauncher;
m_gunBase = new MyGunBase();
MyStringHash resourceSinkGroup;
var weaponBlockDefinition = BlockDefinition as MyWeaponBlockDefinition;
if (weaponBlockDefinition != null)
{
m_ammoInventory = new MyInventory(weaponBlockDefinition.InventoryMaxVolume, new Vector3(1.2f, 0.98f, 0.98f), MyInventoryFlags.CanReceive, this);
resourceSinkGroup = weaponBlockDefinition.ResourceSinkGroup;
}
else
{
if (cubeGrid.GridSizeEnum == MyCubeSize.Small)
{
m_ammoInventory = new MyInventory(240.0f / 1000, new Vector3(1.2f, 0.45f, 0.45f), MyInventoryFlags.CanReceive, this); // 4 missiles
}
else
{
m_ammoInventory = new MyInventory(1140.0f / 1000, new Vector3(1.2f, 0.98f, 0.98f), MyInventoryFlags.CanReceive, this); // 19 missiles
}
resourceSinkGroup = MyStringHash.GetOrCompute("Defense");
}
base.Init(builder, cubeGrid);
m_ammoInventory.Init(ob.Inventory);
m_gunBase.Init(ob.GunBase, BlockDefinition, this);
m_ammoInventory.ContentsChanged += m_ammoInventory_ContentsChanged;
var sinkComp = new MyResourceSinkComponent();
sinkComp.Init(
resourceSinkGroup,
MyEnergyConstants.MAX_REQUIRED_POWER_SHIP_GUN,
() => (Enabled && IsFunctional) ? ResourceSink.MaxRequiredInput : 0.0f);
ResourceSink = sinkComp;
ResourceSink.IsPoweredChanged += Receiver_IsPoweredChanged;
ResourceSink.Update();
AddDebugRenderComponent(new Components.MyDebugRenderComponentDrawPowerReciever(ResourceSink, this));
m_useConveyorSystem = ob.UseConveyorSystem;
SlimBlock.ComponentStack.IsFunctionalChanged += ComponentStack_IsFunctionalChanged;
LoadDummies();
NeedsUpdate |= MyEntityUpdateEnum.EACH_100TH_FRAME;
}
public MySmallMissileLauncher()
{
#if XB1 // XB1_SYNC_NOREFLECTION
m_useConveyorSystem = SyncType.CreateAndAddProp <bool>();
#endif // XB1
CreateTerminalControls();
#if XB1 // XB1_SYNC_NOREFLECTION
m_gunBase = new MyGunBase(SyncType);
#else // !XB1
m_gunBase = new MyGunBase();
#endif // !XB1
m_soundEmitter = new MyEntity3DSoundEmitter(this, true);
m_useConveyorSystem.Value = true;
#if !XB1 // !XB1_SYNC_NOREFLECTION
SyncType.Append(m_gunBase);
#endif // !XB1
}
public virtual void Init(MyEntity entity, MyLargeTurretBase turretBase)
{
m_entity = entity;
m_turretBase = turretBase;
m_gunBase = turretBase.GunBase as MyGunBase;
// Check for the dummy cubes for the muzzle flash positions:
if (m_entity.Model != null)
{
if (m_entity.Model.Dummies.ContainsKey("camera"))
{
CameraDummy = m_entity.Model.Dummies["camera"];
}
m_gunBase.LoadDummies(m_entity.Model.Dummies);
}
m_entity.OnClose += m_entity_OnClose;
}
public virtual void Init(MyEntity entity, MyLargeTurretBase turretBase)
{
m_entity = entity;
m_turretBase = turretBase;
m_gunBase = turretBase.GunBase as MyGunBase;
// Check for the dummy cubes for the muzzle flash positions:
if (m_entity.Model != null)
{
if (m_entity.Model.Dummies.ContainsKey("camera"))
{
CameraDummy = m_entity.Model.Dummies["camera"];
}
m_gunBase.LoadDummies(m_entity.Model.Dummies);
}
m_entity.OnClose += m_entity_OnClose;
}
//[TerminalValues(MySpaceTexts.SwitchText_On, MySpaceTexts.SwitchText_Off)]
//[Terminal(2, MyPropertyDisplayEnum.Switch, MySpaceTexts.Terminal_UseConveyorSystem, MySpaceTexts.Blank)]
//[Obfuscation(Feature = Obfuscator.NoRename, Exclude = true)]
//public MyStringId UseConveyorSystemGui
//{
// get { return m_useConveyorSystem ? MySpaceTexts.SwitchText_On : MySpaceTexts.SwitchText_Off; }
// set
// {
// if (m_useConveyorSystem != (value == MySpaceTexts.SwitchText_On))
// {
// m_useConveyorSystem = (value == MySpaceTexts.SwitchText_On);
// OnPropertiesChanged();
// }
// }
//}
//[TerminalValueSetter(2)]
//public void RequestUseConveyorSystemChange(MyStringId newVal)
//{
// MySyncConveyors.SendChangeUseConveyorSystemRequest(EntityId, newVal == MySpaceTexts.SwitchText_On);
//}
public override void Init(MyObjectBuilder_CubeBlock builder, MyCubeGrid cubeGrid)
{
SyncFlag = true;
var ob = builder as MyObjectBuilder_SmallMissileLauncher;
m_gunBase = new MyGunBase();
var weaponBlockDefinition = BlockDefinition as MyWeaponBlockDefinition;
if (weaponBlockDefinition != null)
{
m_ammoInventory = new MyInventory(weaponBlockDefinition.InventoryMaxVolume, new Vector3(1.2f, 0.98f, 0.98f), MyInventoryFlags.CanReceive, this);
}
else
{
if (cubeGrid.GridSizeEnum == MyCubeSize.Small)
m_ammoInventory = new MyInventory(240.0f / 1000, new Vector3(1.2f, 0.45f, 0.45f), MyInventoryFlags.CanReceive, this); // 4 missiles
else
m_ammoInventory = new MyInventory(1140.0f / 1000, new Vector3(1.2f, 0.98f, 0.98f), MyInventoryFlags.CanReceive, this); // 19 missiles
}
base.Init(builder, cubeGrid);
m_ammoInventory.Init(ob.Inventory);
m_gunBase.Init(ob.GunBase, BlockDefinition, this);
m_ammoInventory.ContentsChanged += m_ammoInventory_ContentsChanged;
PowerReceiver = new MyPowerReceiver(
MyConsumerGroupEnum.Defense,
false,
MyEnergyConstants.MAX_REQUIRED_POWER_SHIP_GUN,
() => (Enabled && IsFunctional) ? PowerReceiver.MaxRequiredInput : 0.0f);
PowerReceiver.IsPoweredChanged += Receiver_IsPoweredChanged;
PowerReceiver.Update();
AddDebugRenderComponent(new Components.MyDebugRenderComponentDrawPowerReciever(PowerReceiver, this));
m_useConveyorSystem = ob.UseConveyorSystem;
SlimBlock.ComponentStack.IsFunctionalChanged += ComponentStack_IsFunctionalChanged;
LoadDummies();
NeedsUpdate |= MyEntityUpdateEnum.EACH_100TH_FRAME;
}
public MySmallMissileLauncher()
{
#if XB1 // XB1_SYNC_NOREFLECTION
m_useConveyorSystem = SyncType.CreateAndAddProp<bool>();
#endif // XB1
CreateTerminalControls();
#if XB1 // XB1_SYNC_NOREFLECTION
m_gunBase = new MyGunBase(SyncType);
#else // !XB1
m_gunBase = new MyGunBase();
#endif // !XB1
m_soundEmitter = new MyEntity3DSoundEmitter(this, true);
m_useConveyorSystem.Value = true;
#if !XB1 // !XB1_SYNC_NOREFLECTION
SyncType.Append(m_gunBase);
#endif // !XB1
}
/// <summary>
/// Algorithm to predict the position of the target
/// </summary>
public static bool GetPredictedTargetPosition(MyGunBase gun, MyEntity shooter, MyEntity target, out Vector3 predictedPosition, out float timeToHit, float shootDelay = 0)
{
Debug.Assert(target != null && target.PositionComp != null, "Null target!");
Debug.Assert(shooter != null && shooter.PositionComp != null, "Null shooter!");
if (target == null || target.PositionComp == null || shooter == null || shooter.PositionComp == null)
{
predictedPosition = Vector3.Zero;
timeToHit = 0;
return(false);
}
Vector3 targetPosition = target.PositionComp.WorldAABB.Center;
Vector3 muzzlePosition = gun.GetMuzzleWorldPosition();
Vector3 toTarget = targetPosition - muzzlePosition;
Vector3 targetVelocity = Vector3.Zero;
if (target.Physics != null)
{
targetVelocity = target.Physics.LinearVelocity;
}
Vector3 shooterVelocity = Vector3.Zero;
if (shooter.Physics != null)
{
shooterVelocity = shooter.Physics.LinearVelocity;
}
Vector3 diffVelocity = targetVelocity - shooterVelocity;
float projectileSpeed = GetProjectileSpeed(gun);
float a = diffVelocity.LengthSquared() - projectileSpeed * projectileSpeed;
float b = 2 * Vector3.Dot(diffVelocity, toTarget);
float c = toTarget.LengthSquared();
float p = -b / (2 * a);
float q = (float)Math.Sqrt((b * b) - 4 * a * c) / (2 * a);
float t1 = p - q;
float t2 = p + q;
float t;
if (t1 > t2 && t2 > 0)
{
t = t2;
}
else
{
t = t1;
}
t = t + shootDelay;
predictedPosition = targetPosition + diffVelocity * t;
Vector3 bulletPath = predictedPosition - muzzlePosition;
timeToHit = bulletPath.Length() / projectileSpeed;
return(true);
}
