PointMovementGenerator.cpp

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/*
* This file is part of Project SkyFire https://www.projectskyfire.org.
* See LICENSE.md file for Copyright information
*/
 
#include "Creature.h"
#include "CreatureAI.h"
#include "CreatureGroups.h"
#include "Errors.h"
#include "MoveSpline.h"
#include "MoveSplineInit.h"
#include "Player.h"
#include "PointMovementGenerator.h"
#include "World.h"
 
//----- Point Movement Generator
template<class T>
void PointMovementGenerator<T>::DoInitialize(T* unit)
{
    if (!unit->IsStopped())
        unit->StopMoving();
 
    unit->AddUnitState(UNIT_STATE_ROAMING | UNIT_STATE_ROAMING_MOVE);
 
    if (id == EVENT_CHARGE_PREPATH)
        return;
 
    Movement::MoveSplineInit init(unit);
    init.MoveTo(i_x, i_y, i_z, m_generatePath);
    if (speed > 0.0f)
        init.SetVelocity(speed);
    init.Launch();
 
    // Call for creature group update
    if (Creature* creature = unit->ToCreature())
        if (creature->GetFormation() && creature->GetFormation()->getLeader() == creature)
            creature->GetFormation()->LeaderMoveTo(i_x, i_y, i_z);
}
 
template<class T>
bool PointMovementGenerator<T>::DoUpdate(T* unit, uint32 /*diff*/)
{
    if (!unit)
        return false;
 
    if (unit->HasUnitState(UNIT_STATE_ROOT | UNIT_STATE_STUNNED))
    {
        unit->ClearUnitState(UNIT_STATE_ROAMING_MOVE);
        return true;
    }
 
    unit->AddUnitState(UNIT_STATE_ROAMING_MOVE);
 
    if (id != EVENT_CHARGE_PREPATH && i_recalculateSpeed && !unit->movespline->Finalized())
    {
        i_recalculateSpeed = false;
        Movement::MoveSplineInit init(unit);
        init.MoveTo(i_x, i_y, i_z, m_generatePath);
        if (speed > 0.0f) // Default value for point motion type is 0.0, if 0.0 spline will use GetSpeed on unit
            init.SetVelocity(speed);
        init.Launch();
 
        // Call for creature group update
        if (Creature* creature = unit->ToCreature())
            if (creature->GetFormation() && creature->GetFormation()->getLeader() == creature)
                creature->GetFormation()->LeaderMoveTo(i_x, i_y, i_z);
    }
 
    return !unit->movespline->Finalized();
}
 
template<class T>
void PointMovementGenerator<T>::DoFinalize(T* unit)
{
    if (unit->HasUnitState(UNIT_STATE_CHARGING))
        unit->ClearUnitState(UNIT_STATE_ROAMING | UNIT_STATE_ROAMING_MOVE);
 
    if (unit->movespline->Finalized())
        MovementInform(unit);
}
 
template<class T>
void PointMovementGenerator<T>::DoReset(T* unit)
{
    if (!unit->IsStopped())
        unit->StopMoving();
 
    unit->AddUnitState(UNIT_STATE_ROAMING | UNIT_STATE_ROAMING_MOVE);
}
 
template<class T>
void PointMovementGenerator<T>::MovementInform(T* /*unit*/) { }
 
template <> void PointMovementGenerator<Creature>::MovementInform(Creature* unit)
{
    if (unit->AI())
        unit->AI()->MovementInform(POINT_MOTION_TYPE, id);
}
 
template void PointMovementGenerator<Player>::DoInitialize(Player*);
template void PointMovementGenerator<Creature>::DoInitialize(Creature*);
template void PointMovementGenerator<Player>::DoFinalize(Player*);
template void PointMovementGenerator<Creature>::DoFinalize(Creature*);
template void PointMovementGenerator<Player>::DoReset(Player*);
template void PointMovementGenerator<Creature>::DoReset(Creature*);
template bool PointMovementGenerator<Player>::DoUpdate(Player*, uint32);
template bool PointMovementGenerator<Creature>::DoUpdate(Creature*, uint32);
 
void AssistanceMovementGenerator::Finalize(Unit* unit)
{
    unit->ToCreature()->SetNoCallAssistance(false);
    unit->ToCreature()->CallAssistance();
    if (unit->IsAlive())
        unit->GetMotionMaster()->MoveSeekAssistanceDistract(sWorld->getIntConfig(WorldIntConfigs::CONFIG_CREATURE_FAMILY_ASSISTANCE_DELAY));
}
 
bool EffectMovementGenerator::Update(Unit* unit, uint32)
{
    return !unit->movespline->Finalized();
}
 
void EffectMovementGenerator::Finalize(Unit* unit)
{
    if (unit->GetTypeId() != TypeID::TYPEID_UNIT)
        return;
 
    // Need restore previous movement since we have no proper states system
    if (unit->IsAlive() && !unit->HasUnitState(UNIT_STATE_CONFUSED | UNIT_STATE_FLEEING))
    {
        if (Unit* victim = unit->GetVictim())
            unit->GetMotionMaster()->MoveChase(victim);
        else
            unit->GetMotionMaster()->Initialize();
    }
 
    if (unit->ToCreature()->AI())
        unit->ToCreature()->AI()->MovementInform(EFFECT_MOTION_TYPE, m_Id);
}