ExpOrb.cpp

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#include "Globals.h"
 
#include "ExpOrb.h"
#include "Player.h"
#include "../ClientHandle.h"
 
 
cExpOrb::cExpOrb(Vector3d a_Pos, int a_Reward):
    Super(etExpOrb, a_Pos, 0.5f, 0.5f),
    m_Reward(a_Reward),
    m_Timer(0)
{
    SetMaxHealth(5);
    SetHealth(5);
    SetGravity(-16);
    SetAirDrag(0.02f);
}
 
 
 
 
 
void cExpOrb::SpawnOn(cClientHandle & a_Client)
{
    a_Client.SendExperienceOrb(*this);
    m_bDirtyOrientation = false;
    m_bDirtyHead = false;
}
 
 
 
 
 
void cExpOrb::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
    DetectCacti();
    m_TicksAlive++;
 
    // Find closest player within 6.5 meter (slightly increase detect range to have same effect in client)
    bool FoundPlayer = m_World->DoWithNearestPlayer(GetPosition(), 6.5, [&](cPlayer & a_Player) -> bool
    {
        Vector3f a_PlayerPos(a_Player.GetPosition());
        a_PlayerPos.y += 0.8f;
        Vector3f a_Distance = a_PlayerPos - GetPosition();
        double Distance = a_Distance.Length();
 
        if (Distance < 0.7f)
        {
            a_Player.DeltaExperience(m_Reward);
 
            m_World->BroadcastSoundEffect("entity.experience_orb.pickup", GetPosition(), 0.5f, (0.75f + (static_cast<float>((GetUniqueID() * 23) % 32)) / 64));
            Destroy();
            return true;
        }
 
        // Experience orb will "float" or glide toward the player up to a distance of 6 blocks.
        // speeding up as they get nearer to the player, Speed range 6 - 12 m per second, accelerate 60 m per second^2
        Vector3d SpeedDelta(a_Distance);
        SpeedDelta.Normalize();
        SpeedDelta *= 3;
 
        Vector3d CurrentSpeed = GetSpeed();
        CurrentSpeed += SpeedDelta;
        if (CurrentSpeed.Length() > 12)
        {
            CurrentSpeed.Normalize();
            CurrentSpeed *= 12;
        }
 
        SetSpeed(CurrentSpeed);
        m_Gravity = 0;
 
        return true;
    }, false, true);  // Don't check line of sight, ignore spectator mode player
 
    if (!FoundPlayer)
    {
        m_Gravity = -16;
    }
 
    HandlePhysics(a_Dt, a_Chunk);
    BroadcastMovementUpdate();
 
    m_Timer += a_Dt;
    if (m_Timer >= std::chrono::minutes(5))
    {
        Destroy();
    }
}
 
 
 
 
 
bool cExpOrb::DoTakeDamage(TakeDamageInfo & a_TDI)
{
    if (a_TDI.DamageType == dtCactusContact)
    {
        Destroy();
        return true;
    }
 
    return Super::DoTakeDamage(a_TDI);
}
 
 
 
 
 
std::vector<int> cExpOrb::Split(int a_Reward)
{
    const static std::array<int, 11> BaseValue = {{1, 3, 7, 17, 37, 73, 149, 307, 617, 1237, 2477}};
 
    std::vector<int> Rewards;
    size_t Index = BaseValue.size() - 1;  // Last one
 
    while (a_Reward > 0)
    {
        while (a_Reward < BaseValue[Index])
        {
            Index--;
        }
 
        a_Reward -= BaseValue[Index];
        Rewards.push_back(BaseValue[Index]);
    }
 
    return Rewards;
}