diff options
Diffstat (limited to 'source/WorldStorage/NBTChunkSerializer.cpp')
| -rw-r--r-- | source/WorldStorage/NBTChunkSerializer.cpp | 417 |
1 files changed, 417 insertions, 0 deletions
diff --git a/source/WorldStorage/NBTChunkSerializer.cpp b/source/WorldStorage/NBTChunkSerializer.cpp new file mode 100644 index 000000000..f41bd5e97 --- /dev/null +++ b/source/WorldStorage/NBTChunkSerializer.cpp @@ -0,0 +1,417 @@ +
+// NBTChunkSerializer.cpp
+
+
+#include "Globals.h"
+#include "NBTChunkSerializer.h"
+#include "../BlockID.h"
+#include "../ChestEntity.h"
+#include "../DispenserEntity.h"
+#include "../FurnaceEntity.h"
+#include "../SignEntity.h"
+#include "../NoteEntity.h"
+#include "../JukeboxEntity.h"
+#include "../Item.h"
+#include "../StringCompression.h"
+#include "../Entity.h"
+#include "../OSSupport/MakeDir.h"
+#include "FastNBT.h"
+#include "../FallingBlock.h"
+#include "../Minecart.h"
+#include "../Mobs/Monster.h"
+#include "../Pickup.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);
+ }
+ m_Writer.EndCompound();
+}
+
+
+
+
+
+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);
+ for (int i = 0; i < cChestEntity::c_ChestHeight * cChestEntity::c_ChestWidth; i++)
+ {
+ const cItem * Item = a_Entity->GetSlot(i);
+ if ((Item == NULL) || Item->IsEmpty())
+ {
+ continue;
+ }
+ AddItem(*Item, i);
+ } // for i - chest slots[]
+ 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);
+ for (int i = 0; i < 9; i++)
+ {
+ const cItem * Item = a_Entity->GetSlot(i);
+ if ((Item == NULL) || Item->IsEmpty())
+ {
+ continue;
+ }
+ AddItem(*Item, i);
+ } // for i - contents[]
+ 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);
+ AddItem(*(a_Furnace->GetSlot(0)), 0);
+ AddItem(*(a_Furnace->GetSlot(1)), 1);
+ AddItem(*(a_Furnace->GetSlot(2)), 2);
+ m_Writer.EndList();
+ m_Writer.AddShort("BurnTime", (Int16)(a_Furnace->GetTimeToBurn() / 50.0));
+ m_Writer.AddShort("CookTime", (Int16)(a_Furnace->GetTimeCooked() / 50.0));
+ 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::AddNoteEntity(cNoteEntity * a_Note)
+{
+ m_Writer.BeginCompound("");
+ AddBasicTileEntity(a_Note, "Music");
+ m_Writer.AddByte("note", a_Note->GetPitch());
+ 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::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::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 = "MinecarRideable"; break;
+ case cMinecart::mpChest: EntityClass = "MinecartChest"; break;
+ case cMinecart::mpFurnace: EntityClass = "MinecartFurnace"; 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::AddMinecartChestContents(cMinecartWithChest * a_Minecart)
+{
+ m_Writer.BeginList("Items", TAG_Compound);
+ for (int i = 0; i < cMinecartWithChest::NumSlots; i++)
+ {
+ const cItem & Item = a_Minecart->GetItem(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::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::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_FURNACE: AddFurnaceEntity ((cFurnaceEntity *) 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;
+}
+
+
+
+
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