// NBTChunkSerializer.cpp
#include "Globals.h"
#include "NBTChunkSerializer.h"
#include "../BlockID.h"
#include "../BlockEntities/ChestEntity.h"
#include "../BlockEntities/DispenserEntity.h"
#include "../BlockEntities/DropperEntity.h"
#include "../BlockEntities/FurnaceEntity.h"
#include "../BlockEntities/HopperEntity.h"
#include "../BlockEntities/JukeboxEntity.h"
#include "../BlockEntities/NoteEntity.h"
#include "../BlockEntities/SignEntity.h"
#include "../ItemGrid.h"
#include "../StringCompression.h"
#include "../Entities/Entity.h"
#include "FastNBT.h"
#include "../Entities/FallingBlock.h"
#include "../Entities/Boat.h"
#include "../Entities/Minecart.h"
#include "../Mobs/Monster.h"
#include "../Entities/Pickup.h"
#include "../Entities/ProjectileEntity.h"
cNBTChunkSerializer::cNBTChunkSerializer(cFastNBTWriter & a_Writer) :
m_BiomesAreValid(false),
m_Writer(a_Writer),
m_IsTagOpen(false),
m_HasHadEntity(false),
m_HasHadBlockEntity(false),
m_IsLightValid(false)
{
}
void cNBTChunkSerializer::Finish(void)
{
if (m_IsTagOpen)
{
m_Writer.EndList();
}
// If light not valid, reset it to all zeroes:
if (!m_IsLightValid)
{
memset(m_BlockLight, 0, sizeof(m_BlockLight));
memset(m_BlockSkyLight, 0, sizeof(m_BlockSkyLight));
}
}
void cNBTChunkSerializer::AddItem(const cItem & a_Item, int a_Slot, const AString & a_CompoundName)
{
m_Writer.BeginCompound(a_CompoundName);
m_Writer.AddShort("id", (short)(a_Item.m_ItemType));
m_Writer.AddShort("Damage", a_Item.m_ItemDamage);
m_Writer.AddByte ("Count", a_Item.m_ItemCount);
if (a_Slot >= 0)
{
m_Writer.AddByte ("Slot", (unsigned char)a_Slot);
}
// Write the enchantments:
if (!a_Item.m_Enchantments.IsEmpty())
{
const char * TagName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench";
m_Writer.BeginCompound("tag");
a_Item.m_Enchantments.WriteToNBTCompound(m_Writer, TagName);
m_Writer.EndCompound();
}
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddItemGrid(const cItemGrid & a_Grid, int a_BeginSlotNum)
{
int NumSlots = a_Grid.GetNumSlots();
for (int i = 0; i < NumSlots; i++)
{
const cItem & Item = a_Grid.GetSlot(i);
if (Item.IsEmpty())
{
continue;
}
AddItem(Item, i + a_BeginSlotNum);
} // for i - chest slots[]
}
void cNBTChunkSerializer::AddBasicTileEntity(cBlockEntity * a_Entity, const char * a_EntityTypeID)
{
m_Writer.AddInt ("x", a_Entity->GetPosX());
m_Writer.AddInt ("y", a_Entity->GetPosY());
m_Writer.AddInt ("z", a_Entity->GetPosZ());
m_Writer.AddString("id", a_EntityTypeID);
}
void cNBTChunkSerializer::AddChestEntity(cChestEntity * a_Entity)
{
m_Writer.BeginCompound("");
AddBasicTileEntity(a_Entity, "Chest");
m_Writer.BeginList("Items", TAG_Compound);
AddItemGrid(a_Entity->GetContents());
m_Writer.EndList();
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddDispenserEntity(cDispenserEntity * a_Entity)
{
m_Writer.BeginCompound("");
AddBasicTileEntity(a_Entity, "Trap");
m_Writer.BeginList("Items", TAG_Compound);
AddItemGrid(a_Entity->GetContents());
m_Writer.EndList();
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddDropperEntity(cDropperEntity * a_Entity)
{
m_Writer.BeginCompound("");
AddBasicTileEntity(a_Entity, "Dropper");
m_Writer.BeginList("Items", TAG_Compound);
AddItemGrid(a_Entity->GetContents());
m_Writer.EndList();
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddFurnaceEntity(cFurnaceEntity * a_Furnace)
{
m_Writer.BeginCompound("");
AddBasicTileEntity(a_Furnace, "Furnace");
m_Writer.BeginList("Items", TAG_Compound);
AddItemGrid(a_Furnace->GetContents());
m_Writer.EndList();
m_Writer.AddShort("BurnTime", a_Furnace->GetFuelBurnTimeLeft());
m_Writer.AddShort("CookTime", a_Furnace->GetTimeCooked());
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddHopperEntity(cHopperEntity * a_Entity)
{
m_Writer.BeginCompound("");
AddBasicTileEntity(a_Entity, "Hopper");
m_Writer.BeginList("Items", TAG_Compound);
AddItemGrid(a_Entity->GetContents());
m_Writer.EndList();
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddJukeboxEntity(cJukeboxEntity * a_Jukebox)
{
m_Writer.BeginCompound("");
AddBasicTileEntity(a_Jukebox, "RecordPlayer");
m_Writer.AddInt("Record", a_Jukebox->GetRecord());
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddNoteEntity(cNoteEntity * a_Note)
{
m_Writer.BeginCompound("");
AddBasicTileEntity(a_Note, "Music");
m_Writer.AddByte("note", a_Note->GetPitch());
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddSignEntity(cSignEntity * a_Sign)
{
m_Writer.BeginCompound("");
AddBasicTileEntity(a_Sign, "Sign");
m_Writer.AddString("Text1", a_Sign->GetLine(0));
m_Writer.AddString("Text2", a_Sign->GetLine(1));
m_Writer.AddString("Text3", a_Sign->GetLine(2));
m_Writer.AddString("Text4", a_Sign->GetLine(3));
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddBasicEntity(cEntity * a_Entity, const AString & a_ClassName)
{
m_Writer.AddString("id", a_ClassName);
m_Writer.BeginList("Pos", TAG_Double);
m_Writer.AddDouble("", a_Entity->GetPosX());
m_Writer.AddDouble("", a_Entity->GetPosY());
m_Writer.AddDouble("", a_Entity->GetPosZ());
m_Writer.EndList();
m_Writer.BeginList("Motion", TAG_Double);
m_Writer.AddDouble("", a_Entity->GetSpeedX());
m_Writer.AddDouble("", a_Entity->GetSpeedY());
m_Writer.AddDouble("", a_Entity->GetSpeedZ());
m_Writer.EndList();
m_Writer.BeginList("Rotation", TAG_Double);
m_Writer.AddDouble("", a_Entity->GetRotation());
m_Writer.AddDouble("", a_Entity->GetPitch());
m_Writer.EndList();
}
void cNBTChunkSerializer::AddBoatEntity(cBoat * a_Boat)
{
m_Writer.BeginCompound("");
AddBasicEntity(a_Boat, "Boat");
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddFallingBlockEntity(cFallingBlock * a_FallingBlock)
{
m_Writer.BeginCompound("");
AddBasicEntity(a_FallingBlock, "FallingSand");
m_Writer.AddInt("TileID", a_FallingBlock->GetBlockType());
m_Writer.AddByte("Data", a_FallingBlock->GetBlockMeta());
m_Writer.AddByte("Time", 1); // Unused in MCServer, Vanilla said to need nonzero
m_Writer.AddByte("DropItem", 1);
m_Writer.AddByte("HurtEntities", a_FallingBlock->GetBlockType() == E_BLOCK_ANVIL);
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddMinecartEntity(cMinecart * a_Minecart)
{
const char * EntityClass = NULL;
switch (a_Minecart->GetPayload())
{
case cMinecart::mpNone: EntityClass = "MinecartRideable"; break;
case cMinecart::mpChest: EntityClass = "MinecartChest"; break;
case cMinecart::mpFurnace: EntityClass = "MinecartFurnace"; break;
case cMinecart::mpTNT: EntityClass = "MinecartTNT"; break;
case cMinecart::mpHopper: EntityClass = "MinecartHopper"; break;
default:
{
ASSERT(!"Unhandled minecart payload type");
return;
}
} // switch (payload)
m_Writer.BeginCompound("");
AddBasicEntity(a_Minecart, EntityClass);
switch (a_Minecart->GetPayload())
{
case cMinecart::mpChest:
{
// Add chest contents into the Items tag:
AddMinecartChestContents((cMinecartWithChest *)a_Minecart);
break;
}
case cMinecart::mpFurnace:
{
// TODO: Add "Push" and "Fuel" tags
break;
}
} // switch (Payload)
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddMonsterEntity(cMonster * a_Monster)
{
// TODO
}
void cNBTChunkSerializer::AddPickupEntity(cPickup * a_Pickup)
{
m_Writer.BeginCompound("");
AddBasicEntity(a_Pickup, "Item");
AddItem(a_Pickup->GetItem(), -1, "Item");
m_Writer.AddShort("Health", a_Pickup->GetHealth());
m_Writer.AddShort("Age", a_Pickup->GetAge());
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddProjectileEntity(cProjectileEntity * a_Projectile)
{
m_Writer.BeginCompound("");
AddBasicEntity(a_Projectile, a_Projectile->GetMCAClassName());
Vector3d Pos = a_Projectile->GetPosition();
m_Writer.AddShort("xTile", (Int16)floor(Pos.x));
m_Writer.AddShort("yTile", (Int16)floor(Pos.y));
m_Writer.AddShort("zTile", (Int16)floor(Pos.z));
m_Writer.AddShort("inTile", 0); // TODO: Query the block type
m_Writer.AddShort("shake", 0); // TODO: Any shake?
m_Writer.AddByte ("inGround", a_Projectile->IsInGround() ? 1 : 0);
switch (a_Projectile->GetProjectileKind())
{
case cProjectileEntity::pkArrow:
{
m_Writer.AddByte("inData", 0); // TODO: Query the block meta (is it needed?)
m_Writer.AddByte("pickup", ((cArrowEntity *)a_Projectile)->GetPickupState());
m_Writer.AddDouble("damage", ((cArrowEntity *)a_Projectile)->GetDamageCoeff());
break;
}
case cProjectileEntity::pkGhastFireball:
{
m_Writer.AddInt("ExplosionPower", 1);
// fall-through:
}
case cProjectileEntity::pkFireCharge:
case cProjectileEntity::pkWitherSkull:
case cProjectileEntity::pkEnderPearl:
{
m_Writer.BeginList("Motion", TAG_Double);
m_Writer.AddDouble("", a_Projectile->GetSpeedX());
m_Writer.AddDouble("", a_Projectile->GetSpeedY());
m_Writer.AddDouble("", a_Projectile->GetSpeedZ());
m_Writer.EndList();
break;
}
default:
{
ASSERT(!"Unsaved projectile entity!");
}
} // switch (ProjectileKind)
cEntity * Creator = a_Projectile->GetCreator();
if (Creator != NULL)
{
if (Creator->GetEntityType() == cEntity::etPlayer)
{
m_Writer.AddString("ownerName", ((cPlayer *)Creator)->GetName());
}
}
m_Writer.EndCompound();
}
void cNBTChunkSerializer::AddMinecartChestContents(cMinecartWithChest * a_Minecart)
{
m_Writer.BeginList("Items", TAG_Compound);
for (int i = 0; i < cMinecartWithChest::NumSlots; i++)
{
const cItem & Item = a_Minecart->GetSlot(i);
if (Item.IsEmpty())
{
continue;
}
AddItem(Item, i);
}
m_Writer.EndList();
}
bool cNBTChunkSerializer::LightIsValid(bool a_IsLightValid)
{
m_IsLightValid = a_IsLightValid;
return a_IsLightValid; // We want lighting only if it's valid, otherwise don't bother
}
void cNBTChunkSerializer::BiomeData(const cChunkDef::BiomeMap * a_BiomeMap)
{
memcpy(m_Biomes, a_BiomeMap, sizeof(m_Biomes));
for (int i = 0; i < ARRAYCOUNT(m_Biomes); i++)
{
if ((*a_BiomeMap)[i] < 255)
{
// Normal MC biome, copy as-is:
m_VanillaBiomes[i] = (unsigned char)((*a_BiomeMap)[i]);
}
else
{
// TODO: MCS-specific biome, need to map to some basic MC biome:
ASSERT(!"Unimplemented MCS-specific biome");
return;
}
} // for i - m_BiomeMap[]
m_BiomesAreValid = true;
}
void cNBTChunkSerializer::Entity(cEntity * a_Entity)
{
// Add entity into NBT:
if (m_IsTagOpen)
{
if (!m_HasHadEntity)
{
m_Writer.EndList();
m_Writer.BeginList("Entities", TAG_Compound);
}
}
else
{
m_Writer.BeginList("Entities", TAG_Compound);
}
m_IsTagOpen = true;
m_HasHadEntity = true;
switch (a_Entity->GetEntityType())
{
case cEntity::etBoat: AddBoatEntity ((cBoat *) a_Entity); break;
case cEntity::etFallingBlock: AddFallingBlockEntity((cFallingBlock *) a_Entity); break;
case cEntity::etMinecart: AddMinecartEntity ((cMinecart *) a_Entity); break;
case cEntity::etMonster: AddMonsterEntity ((cMonster *) a_Entity); break;
case cEntity::etPickup: AddPickupEntity ((cPickup *) a_Entity); break;
case cEntity::etProjectile: AddProjectileEntity ((cProjectileEntity *)a_Entity); break;
case cEntity::etPlayer: return; // Players aren't saved into the world
default:
{
ASSERT(!"Unhandled entity type is being saved");
break;
}
}
}
void cNBTChunkSerializer::BlockEntity(cBlockEntity * a_Entity)
{
if (m_IsTagOpen)
{
if (!m_HasHadBlockEntity)
{
m_Writer.EndList();
m_Writer.BeginList("TileEntities", TAG_Compound);
}
}
else
{
m_Writer.BeginList("TileEntities", TAG_Compound);
}
m_IsTagOpen = true;
// Add tile-entity into NBT:
switch (a_Entity->GetBlockType())
{
case E_BLOCK_CHEST: AddChestEntity ((cChestEntity *) a_Entity); break;
case E_BLOCK_DISPENSER: AddDispenserEntity ((cDispenserEntity *) a_Entity); break;
case E_BLOCK_DROPPER: AddDropperEntity ((cDropperEntity *) a_Entity); break;
case E_BLOCK_FURNACE: AddFurnaceEntity ((cFurnaceEntity *) a_Entity); break;
case E_BLOCK_HOPPER: AddHopperEntity ((cHopperEntity *) a_Entity); break;
case E_BLOCK_SIGN_POST:
case E_BLOCK_WALLSIGN: AddSignEntity ((cSignEntity *) a_Entity); break;
case E_BLOCK_NOTE_BLOCK: AddNoteEntity ((cNoteEntity *) a_Entity); break;
case E_BLOCK_JUKEBOX: AddJukeboxEntity ((cJukeboxEntity *) a_Entity); break;
default:
{
ASSERT(!"Unhandled block entity saved into Anvil");
}
}
m_HasHadBlockEntity = true;
}
