ItemFrame.cpp

Go to the documentation of this file.

 
#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
 
#include "ItemFrame.h"
#include "Player.h"
#include "../ClientHandle.h"
#include "Chunk.h"
 
 
 
 
 
cItemFrame::cItemFrame(eBlockFace a_BlockFace, Vector3d a_Pos):
    Super(etItemFrame, a_BlockFace, a_Pos),
    m_Item(E_BLOCK_AIR),
    m_ItemRotation(0)
{
}
 
 
 
 
 
bool cItemFrame::DoTakeDamage(TakeDamageInfo & a_TDI)
{
    // Take environmental or non-player damage normally:
    if (m_Item.IsEmpty() || (a_TDI.Attacker == nullptr) || !a_TDI.Attacker->IsPlayer())
    {
        return Super::DoTakeDamage(a_TDI);
    }
 
    // Only pop out a pickup if attacked by a non-creative player:
    if (!static_cast<cPlayer *>(a_TDI.Attacker)->IsGameModeCreative())
    {
        // Where the pickup spawns, offset by half cPickup height to centre in the block.
        const auto SpawnPosition = GetPosition().addedY(-0.125);
 
        // The direction the pickup travels to simulate a pop-out effect.
        const auto FlyOutSpeed = AddFaceDirection(Vector3i(), ProtocolFaceToBlockFace(m_Facing)) * 2;
 
        // Spawn the frame's held item:
        GetWorld()->SpawnItemPickup(SpawnPosition, m_Item, FlyOutSpeed);
    }
 
    // In any case we have a held item and were hit by a player, so clear it:
    m_Item.Empty();
    m_ItemRotation = 0;
    a_TDI.FinalDamage = 0;
    SetInvulnerableTicks(0);
    GetWorld()->BroadcastEntityMetadata(*this);
    return false;
}
 
 
 
 
 
void cItemFrame::GetDrops(cItems & a_Items, cEntity * a_Killer)
{
    if (!m_Item.IsEmpty())
    {
        a_Items.push_back(m_Item);
    }
 
    a_Items.emplace_back(E_ITEM_ITEM_FRAME);
}
 
 
 
 
 
void cItemFrame::OnRightClicked(cPlayer & a_Player)
{
    Super::OnRightClicked(a_Player);
 
    if (!m_Item.IsEmpty())
    {
        // Item not empty, rotate, clipping values to zero to seven inclusive
        m_ItemRotation++;
        if (m_ItemRotation >= 8)
        {
            m_ItemRotation = 0;
        }
    }
    else if (!a_Player.GetEquippedItem().IsEmpty())
    {
        // Item empty, and player held item not empty - add this item to self
        m_Item = a_Player.GetEquippedItem();
        m_Item.m_ItemCount = 1;
 
        if (!a_Player.IsGameModeCreative())
        {
            a_Player.GetInventory().RemoveOneEquippedItem();
        }
    }
 
    GetWorld()->BroadcastEntityMetadata(*this);  // Update clients
    GetParentChunk()->MarkDirty();               // Mark chunk dirty to save rotation or item
}
 
 
 
 
 
void cItemFrame::SpawnOn(cClientHandle & a_ClientHandle)
{
    Super::SpawnOn(a_ClientHandle);
    a_ClientHandle.SendSpawnEntity(*this);
    a_ClientHandle.SendEntityMetadata(*this);
 
    if (m_Item.m_ItemType == E_ITEM_MAP)
    {
        cMap * Map = GetWorld()->GetMapManager().GetMapData(static_cast<unsigned>(m_Item.m_ItemDamage));
        if (Map != nullptr)
        {
            a_ClientHandle.SendMapData(*Map, 0, 0);
        }
    }
}