BlockEntity.cpp

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// BlockEntity.cpp

// Implements the cBlockEntity class that is the common ancestor for all block entities

#include "Globals.h"
#include "BeaconEntity.h"
#include "BedEntity.h"
#include "BlockEntity.h"
#include "BrewingstandEntity.h"
#include "ChestEntity.h"
#include "CommandBlockEntity.h"
#include "DispenserEntity.h"
#include "DropperEntity.h"
#include "EnderChestEntity.h"
#include "FlowerPotEntity.h"
#include "FurnaceEntity.h"
#include "HopperEntity.h"
#include "MobHeadEntity.h"
#include "MobSpawnerEntity.h"
#include "JukeboxEntity.h"
#include "NoteEntity.h"
#include "SignEntity.h"





void cBlockEntity::SetPos(Vector3i a_NewPos)
{
    ASSERT(m_World == nullptr);  // Cannot move block entities that represent world blocks (only use this for cBlockArea's BEs)
    m_Pos = a_NewPos;
}





bool cBlockEntity::IsBlockEntityBlockType(BLOCKTYPE a_BlockType)
{
    switch (a_BlockType)
    {
        case E_BLOCK_BEACON:
        case E_BLOCK_BED:
        case E_BLOCK_BREWING_STAND:
        case E_BLOCK_CHEST:
        case E_BLOCK_COMMAND_BLOCK:
        case E_BLOCK_DISPENSER:
        case E_BLOCK_DROPPER:
        case E_BLOCK_ENDER_CHEST:
        case E_BLOCK_FLOWER_POT:
        case E_BLOCK_FURNACE:
        case E_BLOCK_HEAD:
        case E_BLOCK_HOPPER:
        case E_BLOCK_JUKEBOX:
        case E_BLOCK_LIT_FURNACE:
        case E_BLOCK_MOB_SPAWNER:
        case E_BLOCK_NOTE_BLOCK:
        case E_BLOCK_SIGN_POST:
        case E_BLOCK_TRAPPED_CHEST:
        case E_BLOCK_WALLSIGN:
        {
            return true;
        }
        default:
        {
            return false;
        }
    }
}





cBlockEntity * cBlockEntity::CreateByBlockType(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, Vector3i a_Pos, cWorld * a_World)
{
    switch (a_BlockType)
    {
        case E_BLOCK_BEACON:        return new cBeaconEntity      (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_BED:           return new cBedEntity         (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_BREWING_STAND: return new cBrewingstandEntity(a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_CHEST:         return new cChestEntity       (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_COMMAND_BLOCK: return new cCommandBlockEntity(a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_DISPENSER:     return new cDispenserEntity   (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_DROPPER:       return new cDropperEntity     (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_ENDER_CHEST:   return new cEnderChestEntity  (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_FLOWER_POT:    return new cFlowerPotEntity   (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_FURNACE:       return new cFurnaceEntity     (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_HEAD:          return new cMobHeadEntity     (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_HOPPER:        return new cHopperEntity      (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_JUKEBOX:       return new cJukeboxEntity     (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_LIT_FURNACE:   return new cFurnaceEntity     (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_MOB_SPAWNER:   return new cMobSpawnerEntity  (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_NOTE_BLOCK:    return new cNoteEntity        (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_SIGN_POST:     return new cSignEntity        (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_TRAPPED_CHEST: return new cChestEntity       (a_BlockType, a_BlockMeta, a_Pos, a_World);
        case E_BLOCK_WALLSIGN:      return new cSignEntity        (a_BlockType, a_BlockMeta, a_Pos, a_World);
        default:
        {
            LOGD("%s: Requesting creation of an unknown block entity - block type %d (%s)",
                __FUNCTION__, a_BlockType, ItemTypeToString(a_BlockType).c_str()
            );
            ASSERT(!"Requesting creation of an unknown block entity");
            return nullptr;
        }
    }
}





cBlockEntity * cBlockEntity::Clone(Vector3i a_Pos)
{
    auto res = std::unique_ptr<cBlockEntity>(CreateByBlockType(m_BlockType, m_BlockMeta, a_Pos, nullptr));
    res->CopyFrom(*this);
    return res.release();
}





void cBlockEntity::CopyFrom(const cBlockEntity & a_Src)
{
    // Nothing to copy, but check that we're copying the right entity:
    ASSERT(m_BlockType == a_Src.m_BlockType);
    ASSERT(m_BlockMeta == a_Src.m_BlockMeta);
}