/*
 * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
 */

#include "ServerFacade.h"
#include "Playerbots.h"
#include "TargetedMovementGenerator.h"

float ServerFacade::GetDistance2d(Unit* unit, WorldObject* wo)
{
    ASSERT_NOTNULL(unit);
    ASSERT_NOTNULL(wo);

    float dist = unit->GetDistance2d(wo);
    return std::round(dist * 10.0f) / 10.0f;
}

float ServerFacade::GetDistance2d(Unit *unit, float x, float y)
{
    float dist = unit->GetDistance2d(x, y);
    return std::round(dist * 10.0f) / 10.0f;
}

bool ServerFacade::IsDistanceLessThan(float dist1, float dist2)
{
    //return dist1 - dist2 < sPlayerbotAIConfig->targetPosRecalcDistance;
    return dist1 < dist2;
}

bool ServerFacade::IsDistanceGreaterThan(float dist1, float dist2)
{
    //return dist1 - dist2 > sPlayerbotAIConfig->targetPosRecalcDistance;
    return dist1 > dist2;
}

bool ServerFacade::IsDistanceGreaterOrEqualThan(float dist1, float dist2)
{
    return !IsDistanceLessThan(dist1, dist2);
}

bool ServerFacade::IsDistanceLessOrEqualThan(float dist1, float dist2)
{
    return !IsDistanceGreaterThan(dist1, dist2);
}

void ServerFacade::SetFacingTo(Player* bot, WorldObject* wo, bool force)
{
    float angle = bot->GetAngle(wo);
    if (!force && bot->isMoving())
        bot->SetFacingTo(bot->GetAngle(wo));
    else
    {
        bot->SetOrientation(angle);
        bot->SendMovementFlagUpdate();
    }
}

Unit* ServerFacade::GetChaseTarget(Unit* target)
{
    MovementGenerator* movementGen = target->GetMotionMaster()->top();
    if (movementGen && movementGen->GetMovementGeneratorType() == CHASE_MOTION_TYPE)
    {
        if (target->GetTypeId() == TYPEID_PLAYER)
        {
            return static_cast<ChaseMovementGenerator<Player> const*>(movementGen)->GetTarget();
        }
        else
        {
            return static_cast<ChaseMovementGenerator<Creature> const*>(movementGen)->GetTarget();
        }
    }

    return nullptr;
}