dayzanimal.c

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class DayZCreatureAnimInterface
{
    private void DayZCreatureAnimInterface() {}
    private void ~DayZCreatureAnimInterface() {}
    
    //-----------------------------------------------------
    // Binds, returns -1 when error, otherwise if ok

    proto native TAnimGraphCommand      BindCommand(string pCommandName);

    proto native TAnimGraphVariable     BindVariableFloat(string pVariable);
    proto native TAnimGraphVariable     BindVariableInt(string pVariable);
    proto native TAnimGraphVariable     BindVariableBool(string pVariable);

    proto native TAnimGraphTag          BindTag(string pTagName);

    proto native TAnimGraphEvent        BindEvent(string pEventName);
}
 
class DayZCreature extends EntityAI 
{
    #ifdef _DAYZ_CREATURE_DEBUG_SHADOW
    proto native void DebugSetShadow(DayZCreature creature);
    #endif
    
    proto native bool RegisterAnimationEvent(string event_name, string function_name);
    
    proto native void SetAnimationInstanceByName(string animation_instance_name, int instance_uuid, float duration);
    proto native int GetCurrentAnimationInstanceUUID();
    
    proto native DayZCreatureAnimInterface GetAnimInterface();
 
    
    proto native void UpdateSimulationPrecision(int simLOD);
 
    //---------------------------------------------------------
    // helper functions for disabling simulation upon death
    proto native void StartDeath();
    proto native void ResetDeath();
 
    proto native void ResetDeathCooldown();
    proto native bool IsDeathProcessed();
    proto native bool IsDeathConditionMet();
    
    //---------------------------------------------------------
    // bone transforms 

    proto native    int         GetBoneIndexByName(string pBoneName);
    
    override bool IsDayZCreature()
    {
        return true;
    }
    
    override bool CanBeSkinned()
    {
        return !GetIsFrozen();
    }
    
    override bool IsIgnoredByConstruction()
    {
        return IsRuined();
    }
    
    override bool IsManagingArrows()
    {
        return true;
    }   
    
    override bool DisableVicinityIcon()
    {
        return true;
    }
    
    override void AddArrow(Object arrow, int componentIndex, vector closeBonePosWS, vector closeBoneRotWS)
    {
        CachedObjectsArrays.ARRAY_STRING.Clear();
        GetActionComponentNameList(componentIndex, CachedObjectsArrays.ARRAY_STRING, "fire");
        
        int pivot = -1;
        
        
        for (int i = 0; i < CachedObjectsArrays.ARRAY_STRING.Count() && pivot == -1; i++)
        {
            pivot = GetBoneIndexByName(CachedObjectsArrays.ARRAY_STRING.Get(i));
        }
        
        vector parentTransMat[4];
        vector arrowTransMat[4];
        
        if (pivot == -1)
        {
            GetTransform(parentTransMat);
        }
        else
        {
            vector rotMatrix[3];
            Math3D.YawPitchRollMatrix(closeBoneRotWS * Math.RAD2DEG,rotMatrix);
            
            parentTransMat[0] = rotMatrix[0];
            parentTransMat[1] = rotMatrix[1];
            parentTransMat[2] = rotMatrix[2];
            parentTransMat[3] = closeBonePosWS;
        }
        
        arrow.GetTransform(arrowTransMat);
        Math3D.MatrixInvMultiply4(parentTransMat, arrowTransMat, arrowTransMat);
        // orthogonalize matrix - parent might be skewed
        Math3D.MatrixOrthogonalize4(arrowTransMat);
        arrow.SetTransform(arrowTransMat);
        
        AddChild(arrow, pivot);
    }
    
    override bool HasFixedActionTargetCursorPosition()
    {
        return true;
    }
 
    override void GetDebugActions(out TSelectableActionInfoArrayEx outputList)
    {
        super.GetDebugActions(outputList);
        
        outputList.Insert(new TSelectableActionInfoWithColor(SAT_DEBUG_ACTION, EActions.DELETE, "Delete", FadeColors.RED));
        if (Gizmo_IsSupported())
            outputList.Insert(new TSelectableActionInfoWithColor(SAT_DEBUG_ACTION, EActions.GIZMO_OBJECT, "Gizmo Object", FadeColors.LIGHT_GREY));
        outputList.Insert(new TSelectableActionInfoWithColor(SAT_DEBUG_ACTION, EActions.GIZMO_PHYSICS, "Gizmo Physics (SP Only)", FadeColors.LIGHT_GREY)); // intentionally allowed for testing physics desync
        outputList.Insert(new TSelectableActionInfoWithColor(SAT_DEBUG_ACTION, EActions.SEPARATOR, "___________________________", FadeColors.RED));
    }
    
    override bool OnAction(int action_id, Man player, ParamsReadContext ctx)
    {
        if (super.OnAction(action_id, player, ctx))
            return true;
 
        if (g_Game.IsClient() || !g_Game.IsMultiplayer())
        {
            switch (action_id)
            {
                case EActions.GIZMO_OBJECT:
                    if (GetGizmoApi())
                        GetGizmoApi().SelectObject(this);
                    return true;
                case EActions.GIZMO_PHYSICS:
                    if (GetGizmoApi())
                        GetGizmoApi().SelectPhysics(GetPhysics());
                    return true;
            }
        }
    
        if (g_Game.IsServer())
        {
            switch (action_id)
            {
                case EActions.DELETE:
                    Delete();
                    return true;
            }
        }
    
        return false;
    }
 
    //-------------------------------------------------------------
    // these functions are for modded overide in script command mods 
 
    bool    ModCommandHandlerBefore(float pDt, int pCurrentCommandID, bool pCurrentCommandFinished)
    {
        return false;
    }
 
    bool    ModCommandHandlerInside(float pDt, int pCurrentCommandID, bool pCurrentCommandFinished)
    {
        return false;
    }
    
    bool    ModCommandHandlerAfter(float pDt, int pCurrentCommandID, bool pCurrentCommandFinished)
    {
        return false;
    }
}
 
class DayZCreatureAI extends DayZCreature 
{
    proto native AIAgent GetAIAgent();
 
    proto native bool IsSoundInsideBuilding();
#ifdef DIAG_DEVELOPER
    proto native void DebugDisableAIControl();
    proto native void DebugRestoreAIControl();
#endif
    proto native void AddDamageSphere(string bone_name, string ammo_name, float radius, float duration, bool invertTeams);
    
    proto native DayZCreatureAIType GetCreatureAIType();
    proto native void InitAIAgent(AIGroup group);
    proto native void DestroyAIAgent();
    
    int m_EffectTriggerCount;//how many effect triggers is this AI inside of(overlapping triggers)
    
    protected DayZPlayer m_CinematicPlayer;
    
 
    void DayZCreatureAI()
    {
        RegisterAnimEvents();
        SetFlags(EntityFlags.TOUCHTRIGGERS, false);
    }
    
    
    void IncreaseEffectTriggerCount()
    {
        m_EffectTriggerCount++;
    }
    
    void DecreaseEffectTriggerCount()
    {
        m_EffectTriggerCount--;
    }
    
    void AddDamageSphere(AnimDamageParams damage_params)
    { 
        AddDamageSphere(damage_params.m_sBoneName, damage_params.m_sAmmoName, damage_params.m_fRadius, damage_params.m_fDuration, damage_params.m_bInvertTeams); 
    }
    
    override void EEKilled(Object killer)
    {
        super.EEKilled(killer);
        CreateComponent(COMP_TYPE_BODY_STAGING); // TO DO: This is never called on clients in multiplayer! That's why skinning doesn't work properly in MP. DAYZ-28269
    }
    
    AnimBootsType GetBootsType()
    {
        return AnimBootsType.None;
    }
    
    AbstractWave PlaySound(SoundObject so, SoundObjectBuilder sob)
    {
        if(so == NULL)
        {
            return NULL;
        }
        
        so.SetPosition(GetPosition());
        AbstractWave wave = g_Game.GetSoundScene().Play3D(so, sob);
        return wave;
    }
    
    void OnSoundEvent(int event_id, string event_user_string) 
    {
        AnimSoundEvent sound_event = GetCreatureAIType().GetSoundEvent(event_id);
        if(sound_event != NULL)
        {
            ProcessSoundEvent(sound_event);
        }
    }
 
    void OnSoundVoiceEvent(int event_id, string event_user_string)
    {
        AnimSoundVoiceEvent voice_event = GetCreatureAIType().GetSoundVoiceEvent(event_id);
        if(voice_event != NULL)
        {
            ProcessSoundVoiceEvent(voice_event);
        }
    }
    
    void OnStepEvent(int event_id, string event_user_string) 
    {
        AnimStepEvent step_event = GetCreatureAIType().GetStepEvent(event_id);
        if(step_event != NULL)
        {
            ProcessStepEvent(step_event);
        }
    }
    
    void OnDamageEvent(int event_id, string event_user_string)
    {
        AnimDamageEvent damage_event = GetCreatureAIType().GetDamageEvent(event_id);
        if(damage_event != NULL)
        {
            ProcessDamageEvent(damage_event);
        }
    }
    
    protected void RegisterAnimEvents()
    {
        if(!RegisterAnimationEvent("Sound", "OnSoundEvent"))
        {
            Print("Error registering anim. event (Sound)");
        }
 
        if(!RegisterAnimationEvent("SoundVoice", "OnSoundVoiceEvent"))
        {
            Print("Error registering anim. event (SoundVoice)");
        }
 
        if(!g_Game.IsDedicatedServer())
        {
            if(!RegisterAnimationEvent("Step", "OnStepEvent"))
            {
                Print("Error registering anim. event (Step)");
            }
        }
        
        if(!RegisterAnimationEvent("Damage", "OnDamageEvent"))
        {
            Print("Error registering anim. event (Damage)");
        }
    }
    
    private void ProcessSoundEvent(AnimSoundEvent sound_event)
    {
        if(!g_Game.IsDedicatedServer())
        {
            SoundObjectBuilder objectBuilder = sound_event.GetSoundBuilder();
            if(NULL != objectBuilder)
            {
                objectBuilder.AddEnvSoundVariables(GetPosition());
                SoundObject soundObject = objectBuilder.BuildSoundObject();
                PlaySound(soundObject, objectBuilder);
            }
        }
        
        if(g_Game.IsServer())
        {
            if(sound_event.m_NoiseParams != NULL)
                g_Game.GetNoiseSystem().AddNoise(this, sound_event.m_NoiseParams, g_Game.GetWeather().GetNoiseReductionByWeather());
        }
    }
 
    private void ProcessSoundVoiceEvent(AnimSoundVoiceEvent sound_event)
    {
        if(!g_Game.IsDedicatedServer())
        {
            SoundObjectBuilder objectBuilder = sound_event.GetSoundBuilder();
            if(NULL != objectBuilder)
            {
                objectBuilder.AddEnvSoundVariables(GetPosition());
                SoundObject soundObject = objectBuilder.BuildSoundObject();
                AttenuateSoundIfNecessary(soundObject);
                PlaySound(soundObject, objectBuilder);
            }
        }
        
        if(g_Game.IsServer())
        {
            if(sound_event.m_NoiseParams != NULL)
                g_Game.GetNoiseSystem().AddNoise(this, sound_event.m_NoiseParams, g_Game.GetWeather().GetNoiseReductionByWeather());
        }
    }
 
    private void ProcessStepEvent(AnimStepEvent step_event)
    {
        SoundObjectBuilder soundBuilder = step_event.GetSoundBuilder(GetSurfaceType().Hash());
        if(soundBuilder == NULL)
            return;
        
        soundBuilder.AddEnvSoundVariables(GetPosition());
        SoundObject soundObject = soundBuilder.BuildSoundObject();
        AttenuateSoundIfNecessary(soundObject);
        PlaySound(soundObject, soundBuilder);
        
        //TODO effects
    }
    
    private void ProcessDamageEvent(AnimDamageEvent damage_event)
    {
        AddDamageSphere(damage_event.m_DamageParams);
    }
    
    protected void AttenuateSoundIfNecessary(SoundObject soundObject)
    {
        if (g_Game.GetPlayer() != NULL && (IsSoundInsideBuilding() != g_Game.GetPlayer().IsSoundInsideBuilding() || g_Game.GetPlayer().IsCameraInsideVehicle()))
        {
            soundObject.SetKind(WaveKind.WAVEATTALWAYS);
        }
        else
        {
            soundObject.SetKind(WaveKind.WAVEEFFECTEX);
        }
    }
    
    bool ResistContaminatedEffect()
    {
        return false;
    }
    
    // ================
    // EASTER EGG
    // ================
    
    //Used for easter egg sound selection
    bool IsDanger()
    {
        return false;
    }
    
    string CaptureSound()
    {
        return "";
    }
    
    string ReleaseSound()
    {
        return "";
    }
    
    // ================
    // CINEMATIC CONTROLLER
    // ================
    
    void CinematicTakeControl(DayZPlayer player)
    {
        m_CinematicPlayer = player;
    }
 
    bool CinematicCanJump()
    {
        return true;
    }
    
    override bool ModCommandHandlerBefore(float pDt, int pCurrentCommandID, bool pCurrentCommandFinished)
    {
        if (!m_CinematicPlayer)
        {
            return super.ModCommandHandlerBefore(pDt, pCurrentCommandID, pCurrentCommandFinished);
        }
        
        UAInterface input = m_CinematicPlayer.GetInputInterface();
            
        DayZCreatureAIInputController controller;
        g_Game.GameScript.CallFunction(this, "GetInputController", controller, 0);
            
        if (!input || !controller)
        {
            return super.ModCommandHandlerBefore(pDt, pCurrentCommandID, pCurrentCommandFinished);
        }
        
        float movementX = input.SyncedValue_ID(UAAimRight) - input.SyncedValue_ID(UAAimLeft);
        
        float maxTurnSpeed = 100.0;
        movementX = Math.Clamp(movementX * maxTurnSpeed * pDt, -180, 180);
        
        if (input.SyncedValue_ID(UALookAround) > 0)
        {
            movementX = 0;
        }
        
        bool isJump = input.SyncedValue_ID(UAGetOver) > 0;
        bool isMove = input.SyncedValue_ID(UAMoveForward) > 0;
        
        bool isRest = input.SyncedValue_ID(UAMoveBack) > 0;
        bool isSleep = input.SyncedValue_ID(UAReloadMagazine) > 0;
 
        float heading = GetOrientation()[0] + movementX;
        
        int iAlert = 0;
        float fAlert = 0;
        int iSpeed = 0;
        float fSpeed = 0;
        
        if (isMove)
        {
            iAlert = 1;
            fAlert = 0.2;
            
            bool isSprint = input.SyncedValue_ID(UATurbo) > 0;
            bool isJog = input.SyncedValue_ID(UAWalkRunTemp) > 0;
            bool isWalk = !isSprint && !isJog;
            if (isSprint)
            {
                iSpeed = 3;
            }
            else if (isJog)
            {
                iSpeed = 2;
            }
            else if (isWalk)
            {
                iSpeed = 1;
            }
        }
        
        DayZAnimalInputController animalController;
        if (Class.CastTo(animalController, controller))
        {
            animalController.OverrideBehaviourSlot(true, DayZAnimalBehaviourSlot.NON_SPECIFIC_THREAT);
            animalController.OverrideBehaviourAction(true, DayZAnimalBehaviourAction.TRAVELING_INPUT);
            
            if (!isMove)
            {
                if (isRest)
                {
                    iSpeed = 0;
                    animalController.OverrideBehaviourAction(true, DayZAnimalBehaviourAction.IDLE1_INPUT);
                }
                
                if (isSleep)
                {
                    iSpeed = 0;
                    animalController.OverrideBehaviourAction(true, DayZAnimalBehaviourAction.WALKING_INPUT);
                }
            }
        }
            
        bool lowVel = GetVelocity(this).Length() < 0.5;
        if (iSpeed > 0 && lowVel)
        {
            iAlert = 4;
            fAlert = 1.0;
            
            iSpeed = 3;
        }
        
        if (animalController)
        {
            switch (iSpeed)
            {
            case 0:
                fSpeed = 0;
                break;
            case 1:
                fSpeed = 2;
                break;
            case 2:
                fSpeed = 3;
                break;
            case 3:
                fSpeed = 5;
                break;
            }
        }
        
        controller.OverrideTurnSpeed(true, Math.PI2 / pDt);
        controller.OverrideMovementSpeed(true, fSpeed);
        controller.OverrideHeading(true, heading * Math.DEG2RAD);
        controller.OverrideAlertLevel(true, true, iAlert, fAlert);
        
        if (CinematicCanJump() && isJump)
        {
            controller.OverrideJump(true, 101, 2.0);
        }
 
        return true;
    }
}
 
enum DayZAnimalConstants
{
    COMMANDID_MOVE,
    COMMANDID_JUMP,
    COMMANDID_DEATH,
    COMMANDID_HIT,
    COMMANDID_ATTACK,
    COMMANDID_SCRIPT,
};
 
class DayZAnimalCommandMove extends AnimCommandBase
{
 
}
 
class DayZAnimalCommandAttack extends AnimCommandBase
{
 
}
 
class DayZAnimalCommandJump extends AnimCommandBase
{
 
}
 
class DayZAnimalCommandLookAt extends AnimCommandBase
{
 
}
 
class DayZAnimalCommandBehaviourModifier extends AnimCommandBase
{
 
}
 
class DayZAnimalCommandHit extends AnimCommandBase
{
 
}
 
class DayZAnimalCommandDeath extends AnimCommandBase
{
 
}
 
class DayZAnimalCommandAnimCallback extends AnimCommandBase
{
 
}

class DayZAnimalCommandScript extends AnimCommandBase
{
    //void DayZAnimalCommandScript(DayZAnimal pAnimal)
 
    //---------------------------------------------------------------
    // usable everywhere

    proto native void   SetFlagFinished(bool pFinished);
 
    //---------------------------------------------------------------
    // PrePhys Update 

    proto native    bool    PrePhys_GetTranslation(out vector pOutTransl);      // vec3 in local space !
    proto native    bool    PrePhys_GetRotation(out float pOutRot[4]);          // quaternion in local space !
    proto native    void    PrePhys_SetTranslation(vector pInTransl);           // vec3 in local space !
    proto native    void    PrePhys_SetRotation(float pInRot[4]);               // quaternion in local space !
 
    //---------------------------------------------------------------
    // PostPhys Update 

    bool    PostPhysUpdate(float pDt);

    proto native    void    PostPhys_GetPosition(out vector pOutTransl);        
    proto native    void    PostPhys_GetRotation(out float pOutRot[4]);         
    proto native    void    PostPhys_SetPosition(vector pInTransl);             
    proto native    void    PostPhys_SetRotation(float pInRot[4]);              
    proto native    void    PostPhys_LockRotation();                            
}
 
class DayZAnimal extends DayZCreatureAI
{

    protected ref array<ref DayZAIHitComponent> m_HitComponentsForAI;
    protected string m_DefaultHitComponent;
    protected string m_DefaultHitPositionComponent;
    protected vector m_DefaultHitPosition;
 
    proto native DayZAnimalInputController GetInputController();
 
    proto native void StartCommand_Death(int pType, int pDirection);
    proto native void StartCommand_Move();
    proto native void StartCommand_Jump();
    proto native void StartCommand_Attack();
    proto native void StartCommand_Hit(int pType, int pDirection);
    
    proto native DayZAnimalCommandScript StartCommand_Script(DayZAnimalCommandScript pInfectedCommand);
    proto native DayZAnimalCommandScript StartCommand_ScriptInst(typename pCallbackClass);
    proto native DayZAnimalCommandScript GetCommand_Script();
    
    proto native void SignalAIAttackStarted();
    proto native void SignalAIAttackEnded();
    
    void DayZAnimal()
    {
        // testing: animals have no inventory by default
        //GetInventory().LockInventory(LOCK_FROM_SCRIPT); // Hides animals from vicinity in inventory. Remove this if wanted otherwise.
        
        m_HitComponentsForAI = new array<ref DayZAIHitComponent>;
 
        RegisterHitComponentsForAI();
        
        m_DefaultHitPosition = SetDefaultHitPosition(GetDefaultHitPositionComponent());
 
        SetEventMask(EntityEvent.CONTACT);
    }
    
    override bool IsHealthVisible()
    {
        return false;
    }   
    
    override bool IsAnimal()
    {
        return true;
    }
    
    override bool IsInventoryVisible()
    {
        return false;
    }
    
    override int GetHideIconMask()
    {
        return EInventoryIconVisibility.HIDE_VICINITY;
        /*
        if (IsAlive())
        {
            return EInventoryIconVisibility.HIDE_VICINITY;
        }
        return super.GetHideIconMask();
        */
    }
    
    void CommandHandler(float dt, int currentCommandID, bool currentCommandFinished)
    {
        DayZAnimalInputController inputController = GetInputController();
        
        if( ModCommandHandlerBefore(dt, currentCommandID, currentCommandFinished) )
        {
            return;
        }
 
        if (HandleDeath(currentCommandID, inputController))
        {
            return;
        }
        
        if (currentCommandFinished)
        {
            if (currentCommandID == DayZAnimalConstants.COMMANDID_ATTACK)
            {
                SignalAIAttackEnded();
            }
    
            StartCommand_Move();
    
            return;
        }
        
        if( ModCommandHandlerInside(dt, currentCommandID, currentCommandFinished) )
        {
            return;
        }
    
        if (HandleDamageHit(currentCommandID))
        {
            if (currentCommandID  == DayZAnimalConstants.COMMANDID_ATTACK)
            {
                SignalAIAttackEnded();
            }
            return;
        }
    
        if (currentCommandID == DayZAnimalConstants.COMMANDID_MOVE)
        {
            if (inputController.IsJump())
            {
                StartCommand_Jump();
                return;
            }
    
            if (inputController.IsAttack())
            {
                StartCommand_Attack();
                SignalAIAttackStarted();
                return;
            }
        }
        
        if( ModCommandHandlerAfter(dt, currentCommandID, currentCommandFinished) )
        {
            return;
        }
    }
    
    bool m_DamageHitToProcess = false;
    int m_DamageHitType = 0;
    int m_DamageHitDirection = 0;
    
    bool HandleDeath(int currentCommandID, DayZAnimalInputController inputController)
    {
        if (inputController.IsDead())
        {
            if (currentCommandID == DayZAnimalConstants.COMMANDID_DEATH)
            {
                return true;
            }
    
            if (m_DamageHitToProcess)
            {
                m_DamageHitToProcess = false;
                
                StartCommand_Death(m_DamageHitType, m_DamageHitDirection);
            }
            else
            {
                StartCommand_Death(0, 0);
            }
    
            return true;
        }
        
        return false;
    }
    
    bool HandleDamageHit(int currentCommandID)
    {
        if (m_DamageHitToProcess)
        {
            m_DamageHitToProcess = false;
            
            if (currentCommandID != DayZAnimalConstants.COMMANDID_HIT)
            {
                StartCommand_Hit(m_DamageHitType, m_DamageHitDirection);
            }
            return true;
        }
        return false;
    }
    
    override void EEHitBy(TotalDamageResult damageResult, int damageType, EntityAI source, int component, string dmgZone, string ammo, vector modelPos, float speedCoef)
    {
        super.EEHitBy(damageResult, damageType, source, component, dmgZone, ammo, modelPos, speedCoef);
        m_TransportHitRegistered = false;
 
        int transferShockToDamageCoef = g_Game.ConfigGetInt(string.Format("%1 %2 DamageApplied transferShockToDamage", CFG_AMMO, ammo));
        if (transferShockToDamageCoef == 1)
        {
            //Print("DayZAnimal | EEHitBy | nonlethal hit");
            AddHealth("", "Health", -ConvertNonlethalDamage(damageResult.GetDamage(dmgZone, "Shock"), damageType));
        }
        else
        {
            ComponentAnimalBleeding animal_bleeding = ComponentAnimalBleeding.Cast( GetComponent( COMP_TYPE_ANIMAL_BLEEDING ) );
            animal_bleeding.CreateWound( damageResult, dmgZone, ammo );
        }
        
        int type = 0;
        int direction = 0;
        if (ComputeDamageHitParams(source, dmgZone, ammo, type, direction) == true)
        {
            QueueDamageHit(type, direction);
        }
        
    }
    
    void QueueDamageHit(int type, int direction)
    {
        m_DamageHitToProcess = true;
        m_DamageHitType = type;
        m_DamageHitDirection = direction;
    }
    
    bool ComputeDamageHitParams(EntityAI source, string dmgZone, string ammo, out int type, out int direction)
    {
        type = 0; // not used right now
        
        float angleDeg = ComputeHitDirectionAngleDeg(source);
        direction = TranslateHitAngleDegToDirectionIndex(angleDeg);
        
        direction += FindComponentDirectionOffset(dmgZone);
        
        return true;    
    }
    
    float ComputeHitDirectionAngleDeg(EntityAI source)
    {
        vector targetDirection = GetDirection();
        vector toSourceDirection = (source.GetPosition() - GetPosition());
 
        targetDirection[1] = 0;
        toSourceDirection[1] = 0;
 
        targetDirection.Normalize();
        toSourceDirection.Normalize();
 
        float cosFi = vector.Dot(targetDirection, toSourceDirection);
        vector cross = targetDirection * toSourceDirection;
 
        float dirAngleDeg = Math.Acos(cosFi) * Math.RAD2DEG;
        if ( cross[1] < 0 )
            dirAngleDeg = -dirAngleDeg;
        
        return dirAngleDeg;
    }
    
    int TranslateHitAngleDegToDirectionIndex(float angleDeg)
    {
        if (angleDeg >= -20 && angleDeg <= 20) // front
        {
            return 1; 
        }
        else if (angleDeg < 0) // left
        {
            return 2;
        }
        
        return 3; // right
    }
    
    int FindComponentDirectionOffset(string component)
    {
        const int directionCount = 4;
        
        int offset = 0;
        if (component.Length() == 0)
        {
            offset = 0;
        }
        else if (component == "Zone_Head")
        {
            offset = directionCount;
        }
        else if (component == "Zone_Chest" || component == "Zone_Legs_Front" || component == "Zone_Spine_Front" || component == "Zone_Neck")
        {
            offset = 2 * directionCount;
        }
        else
        {
            offset = 3 * directionCount;
        }
        
        return offset;
    }
    
    //-------------------------------------------------------------
    
    override protected void EOnContact(IEntity other, Contact extra)
    {
        if( !IsAlive() )
            return;
        
        Transport transport = Transport.Cast(other);
        if( transport )
        {
            if ( g_Game.IsServer() )
            {
                RegisterTransportHit(transport);
            }           
        }
    }

    void RegisterHitComponentsForAI()
    {
        m_DefaultHitComponent = "Zone_Chest";
        m_DefaultHitPositionComponent = "Pelvis";

        DayZAIHitComponentHelpers.RegisterHitComponent(m_HitComponentsForAI, "Zone_Chest", 50);
    }
    
    override string GetHitComponentForAI()
    {
        string hitComp;
        
        if (DayZAIHitComponentHelpers.SelectMostProbableHitComponent(m_HitComponentsForAI, hitComp))
        {
            return hitComp;
        }   
        
        return GetDefaultHitComponent();
    }
    
    override string GetDefaultHitComponent()
    {
        return m_DefaultHitComponent;
    }
    
    override string GetDefaultHitPositionComponent()
    {
        return m_DefaultHitPositionComponent;
    }
 
    override vector GetDefaultHitPosition()
    {
        return m_DefaultHitPosition;
    }
 
    protected vector SetDefaultHitPosition(string pSelection)
    {
        return GetSelectionPositionMS(pSelection);
    }
    
    override protected float ConvertNonlethalDamage(float damage, DamageType damageType)
    {
        switch (damageType)
        {
            case DamageType.CLOSE_COMBAT:
                return damage * GameConstants.NL_DAMAGE_CLOSECOMBAT_CONVERSION_ANIMALS;
            case DamageType.FIRE_ARM:
                return damage * GameConstants.NL_DAMAGE_FIREARM_CONVERSION_ANIMALS;
        }
        
        return super.ConvertNonlethalDamage(damage, damageType);
    }
}