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-rw-r--r--src/ClientHandle.cpp18
-rw-r--r--src/ClientHandle.h2
-rw-r--r--src/Map.cpp149
-rw-r--r--src/Map.h95
-rw-r--r--src/Protocol/Protocol.h3
-rw-r--r--src/Protocol/Protocol125.cpp27
-rw-r--r--src/Protocol/Protocol125.h2
-rw-r--r--src/Protocol/Protocol17x.cpp35
-rw-r--r--src/Protocol/Protocol17x.h2
-rw-r--r--src/Protocol/ProtocolRecognizer.cpp20
-rw-r--r--src/Protocol/ProtocolRecognizer.h2
-rw-r--r--src/WorldStorage/MapSerializer.cpp189
-rw-r--r--src/WorldStorage/MapSerializer.h52
13 files changed, 596 insertions, 0 deletions
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index 1b3ebc3d4..8e44a61fd 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -2057,6 +2057,24 @@ void cClientHandle::SendInventorySlot(char a_WindowID, short a_SlotNum, const cI
+void cClientHandle::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length)
+{
+ m_Protocol->SendMapColumn(a_ID, a_X, a_Y, a_Colors, a_Length);
+}
+
+
+
+
+
+void cClientHandle::SendMapInfo(int a_ID, unsigned int a_Scale)
+{
+ m_Protocol->SendMapInfo(a_ID, a_Scale);
+}
+
+
+
+
+
void cClientHandle::SendParticleEffect(const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount)
{
m_Protocol->SendParticleEffect(a_ParticleName, a_SrcX, a_SrcY, a_SrcZ, a_OffsetX, a_OffsetY, a_OffsetZ, a_ParticleData, a_ParticleAmmount);
diff --git a/src/ClientHandle.h b/src/ClientHandle.h
index d9a86d983..b1f13954b 100644
--- a/src/ClientHandle.h
+++ b/src/ClientHandle.h
@@ -109,6 +109,8 @@ public:
void SendGameMode (eGameMode a_GameMode);
void SendHealth (void);
void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item);
+ void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
+ void SendMapInfo (int a_ID, unsigned int a_Scale) override;
void SendPickupSpawn (const cPickup & a_Pickup);
void SendEntityAnimation (const cEntity & a_Entity, char a_Animation);
void SendParticleEffect (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount);
diff --git a/src/Map.cpp b/src/Map.cpp
new file mode 100644
index 000000000..f1b690698
--- /dev/null
+++ b/src/Map.cpp
@@ -0,0 +1,149 @@
+
+// Map.cpp
+
+#include "Globals.h"
+
+#include "Map.h"
+
+#include "ClientHandle.h"
+#include "World.h"
+
+
+
+
+
+cMap::cMap(unsigned int a_ID, int a_CenterX, int a_CenterZ, cWorld * a_World, unsigned int a_Scale)
+ : m_ID(a_ID)
+ , m_Width(128)
+ , m_Height(128)
+ , m_Scale(a_Scale)
+ , m_CenterX(a_CenterX)
+ , m_CenterZ(a_CenterZ)
+ , m_World(a_World)
+{
+ m_Data.assign(m_Width * m_Height, 0);
+
+ UpdateMap();
+}
+
+
+
+
+
+void cMap::UpdateMap(void)
+{
+ // ASSERT(m_World != NULL);
+
+ // TODO
+
+ for (unsigned int X = 0; X < m_Width; ++X)
+ {
+ for (unsigned int Y = 0; Y < m_Height; ++Y)
+ {
+ // Debug
+ m_Data[Y + X * m_Height] = rand() % 100;
+ }
+ }
+}
+
+
+
+
+
+eDimension cMap::GetDimension(void) const
+{
+ ASSERT(m_World != NULL);
+ return m_World->GetDimension();
+}
+
+
+
+
+
+
+void cMap::Resize(unsigned int a_Width, unsigned int a_Height)
+{
+ if ((m_Width == a_Width) && (m_Height == a_Height))
+ {
+ return;
+ }
+
+ m_Width = a_Width;
+ m_Height = a_Height;
+
+ m_Data.assign(m_Width * m_Height, 0);
+
+ UpdateMap();
+}
+
+
+
+
+
+void cMap::SetPosition(int a_CenterX, int a_CenterZ)
+{
+ if ((m_CenterX == a_CenterX) && (m_CenterZ == a_CenterZ))
+ {
+ return;
+ }
+
+ m_CenterX = a_CenterX;
+ m_CenterZ = a_CenterZ;
+
+ UpdateMap();
+}
+
+
+
+
+
+void cMap::SetScale(unsigned int a_Scale)
+{
+ if (m_Scale == a_Scale)
+ {
+ return;
+ }
+
+ m_Scale = a_Scale;
+
+ UpdateMap();
+}
+
+
+
+
+
+void cMap::SendTo(cClientHandle & a_Client)
+{
+ a_Client.SendMapInfo(m_ID, m_Scale);
+
+ for (unsigned int i = 0; i < m_Width; ++i)
+ {
+ const Byte* Colors = &m_Data[i * m_Height];
+
+ a_Client.SendMapColumn(m_ID, i, 0, Colors, m_Height);
+ }
+}
+
+
+
+
+
+unsigned int cMap::GetNumPixels(void) const
+{
+ return m_Width * m_Height;
+}
+
+
+
+
+
+unsigned int cMap::GetNumBlocksPerPixel(void) const
+{
+ return pow(2, m_Scale);
+}
+
+
+
+
+
diff --git a/src/Map.h b/src/Map.h
new file mode 100644
index 000000000..80bbd4ab4
--- /dev/null
+++ b/src/Map.h
@@ -0,0 +1,95 @@
+
+// Map.h
+
+// Implementation of in-game coloured maps
+
+
+
+
+
+#pragma once
+
+
+
+
+
+#include "BlockID.h"
+
+
+
+
+
+class cClientHandle;
+class cWorld;
+
+
+
+
+
+class cMap
+{
+public:
+
+ typedef Byte ColorID;
+
+ typedef std::vector<ColorID> cColorList;
+
+
+public:
+
+ cMap(unsigned int a_ID, int a_CenterX, int a_CenterZ, cWorld * a_World, unsigned int a_Scale = 3);
+
+ /** Update the map (Query the world) */
+ void UpdateMap(void);
+
+ /** Send this map to the specified client. */
+ void SendTo(cClientHandle & a_Client);
+
+ void Resize(unsigned int a_Width, unsigned int a_Height);
+
+ void SetPosition(int a_CenterX, int a_CenterZ);
+
+ void SetScale(unsigned int a_Scale);
+
+ unsigned int GetWidth (void) const { return m_Width; }
+ unsigned int GetHeight(void) const { return m_Height; }
+
+ unsigned int GetScale(void) const { return m_Scale; }
+
+ int GetCenterX(void) const { return m_CenterX; }
+ int GetCenterZ(void) const { return m_CenterZ; }
+
+ unsigned int GetID(void) const { return m_ID; }
+
+ cWorld * GetWorld(void) { return m_World; }
+
+ eDimension GetDimension(void) const;
+
+ const cColorList & GetData(void) const { return m_Data; }
+
+ unsigned int GetNumPixels(void) const;
+
+ unsigned int GetNumBlocksPerPixel(void) const;
+
+
+private:
+
+ unsigned int m_ID;
+
+ unsigned int m_Width;
+ unsigned int m_Height;
+
+ /** The zoom level, 2^scale square blocks per pixel */
+ unsigned int m_Scale;
+
+ int m_CenterX;
+ int m_CenterZ;
+
+ /** Column-major array of colours */
+ cColorList m_Data;
+
+ cWorld * m_World;
+
+ friend class cMapSerializer;
+
+};
diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h
index 791082537..5f89799e1 100644
--- a/src/Protocol/Protocol.h
+++ b/src/Protocol/Protocol.h
@@ -28,6 +28,7 @@ class cWorld;
class cMonster;
class cChunkDataSerializer;
class cFallingBlock;
+class cMap;
@@ -79,6 +80,8 @@ public:
virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) = 0;
virtual void SendKeepAlive (int a_PingID) = 0;
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) = 0;
+ virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) = 0;
+ virtual void SendMapInfo (int a_ID, unsigned int a_Scale) = 0;
virtual void SendPickupSpawn (const cPickup & a_Pickup) = 0;
virtual void SendPlayerAbilities (void) = 0;
virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) = 0;
diff --git a/src/Protocol/Protocol125.cpp b/src/Protocol/Protocol125.cpp
index 73d21161c..edb22fae6 100644
--- a/src/Protocol/Protocol125.cpp
+++ b/src/Protocol/Protocol125.cpp
@@ -95,6 +95,7 @@ enum
PACKET_WINDOW_PROPERTY = 0x69,
PACKET_CREATIVE_INVENTORY_ACTION = 0x6B,
PACKET_UPDATE_SIGN = 0x82,
+ PACKET_ITEM_DATA = 0x83,
PACKET_PLAYER_LIST_ITEM = 0xC9,
PACKET_PLAYER_ABILITIES = 0xca,
PACKET_PLUGIN_MESSAGE = 0xfa,
@@ -576,6 +577,32 @@ void cProtocol125::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
+void cProtocol125::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length)
+{
+ cCSLock Lock(m_CSPacket);
+
+ WriteByte (PACKET_ITEM_DATA);
+ WriteShort(E_ITEM_MAP);
+ WriteShort(a_ID);
+ WriteShort(3 + a_Length);
+
+ WriteByte(0);
+ WriteByte(a_X);
+ WriteByte(a_Y);
+
+ for (unsigned int i = 0; i < a_Length; ++i)
+ {
+ WriteByte(a_Colors[i]);
+ }
+
+ Flush();
+}
+
+
+
+
+
+
void cProtocol125::SendPickupSpawn(const cPickup & a_Pickup)
{
cCSLock Lock(m_CSPacket);
diff --git a/src/Protocol/Protocol125.h b/src/Protocol/Protocol125.h
index cd15ab518..467aee002 100644
--- a/src/Protocol/Protocol125.h
+++ b/src/Protocol/Protocol125.h
@@ -54,6 +54,8 @@ public:
virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
virtual void SendKeepAlive (int a_PingID) override;
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
+ virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
+ virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override {} // This protocol doesn't support such message
virtual void SendParticleEffect (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount) override;
virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
virtual void SendPlayerAbilities (void) override {} // This protocol doesn't support such message
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 7eaf106cf..4acc61586 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -496,6 +496,41 @@ void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
+void cProtocol172::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length)
+{
+ cPacketizer Pkt(*this, 0x34);
+ Pkt.WriteVarInt(a_ID);
+ Pkt.WriteShort (3 + a_Length);
+
+ Pkt.WriteByte(0);
+ Pkt.WriteByte(a_X);
+ Pkt.WriteByte(a_Y);
+
+ for (unsigned int i = 0; i < a_Length; ++i)
+ {
+ Pkt.WriteByte(a_Colors[i]);
+ }
+}
+
+
+
+
+
+void cProtocol172::SendMapInfo(int a_ID, unsigned int a_Scale)
+{
+ cPacketizer Pkt(*this, 0x34);
+ Pkt.WriteVarInt(a_ID);
+ Pkt.WriteShort (2);
+
+ Pkt.WriteByte(2);
+ Pkt.WriteByte(a_Scale);
+}
+
+
+
+
+
+
void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup)
{
{
diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
index 6a75e41c8..0e50db45d 100644
--- a/src/Protocol/Protocol17x.h
+++ b/src/Protocol/Protocol17x.h
@@ -76,6 +76,8 @@ public:
virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
virtual void SendKeepAlive (int a_PingID) override;
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
+ virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
+ virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override;
virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
virtual void SendPlayerAbilities (void) override;
virtual void SendEntityAnimation (const cEntity & a_Entity, char a_Animation) override;
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index 32409c2aa..447fa516b 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -386,6 +386,26 @@ void cProtocolRecognizer::SendLogin(const cPlayer & a_Player, const cWorld & a_W
+void cProtocolRecognizer::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendMapColumn(a_ID, a_X, a_Y, a_Colors, a_Length);
+}
+
+
+
+
+
+void cProtocolRecognizer::SendMapInfo(int a_ID, unsigned int a_Scale)
+{
+ ASSERT(m_Protocol != NULL);
+ m_Protocol->SendMapInfo(a_ID, a_Scale);
+}
+
+
+
+
+
void cProtocolRecognizer::SendParticleEffect(const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount)
{
ASSERT(m_Protocol != NULL);
diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h
index f58c66d10..3c37d5138 100644
--- a/src/Protocol/ProtocolRecognizer.h
+++ b/src/Protocol/ProtocolRecognizer.h
@@ -89,6 +89,8 @@ public:
virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
virtual void SendKeepAlive (int a_PingID) override;
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) override;
+ virtual void SendMapColumn (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
+ virtual void SendMapInfo (int a_ID, unsigned int a_Scale) override;
virtual void SendParticleEffect (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount) override;
virtual void SendPickupSpawn (const cPickup & a_Pickup) override;
virtual void SendPlayerAbilities (void) override;
diff --git a/src/WorldStorage/MapSerializer.cpp b/src/WorldStorage/MapSerializer.cpp
new file mode 100644
index 000000000..ea0d3ec47
--- /dev/null
+++ b/src/WorldStorage/MapSerializer.cpp
@@ -0,0 +1,189 @@
+
+// MapSerializer.cpp
+
+
+#include "Globals.h"
+#include "MapSerializer.h"
+#include "../StringCompression.h"
+#include "zlib/zlib.h"
+#include "FastNBT.h"
+
+#include "../Map.h"
+
+
+
+
+
+cMapSerializer::cMapSerializer(const AString& a_WorldName, cMap * a_Map)
+ : m_Map(a_Map)
+{
+ AString DataPath;
+ Printf(DataPath, "%s/data", a_WorldName.c_str());
+
+ Printf(m_Path, "%s/map_%i.dat", DataPath.c_str(), a_Map->GetID());
+
+ cFile::CreateFolder(FILE_IO_PREFIX + DataPath);
+}
+
+
+
+
+
+bool cMapSerializer::Load(void)
+{
+ AString Data = cFile::ReadWholeFile(FILE_IO_PREFIX + m_Path);
+ if (Data.empty())
+ {
+ return false;
+ }
+
+ AString Uncompressed;
+ int res = UncompressStringGZIP(Data.data(), Data.size(), Uncompressed);
+
+ if (res != Z_OK)
+ {
+ return false;
+ }
+
+ // Parse the NBT data:
+ cParsedNBT NBT(Uncompressed.data(), Uncompressed.size());
+ if (!NBT.IsValid())
+ {
+ // NBT Parsing failed
+ return false;
+ }
+
+ return LoadMapFromNBT(NBT);
+}
+
+
+
+
+
+bool cMapSerializer::Save(void)
+{
+ cFastNBTWriter Writer;
+
+ SaveMapToNBT(Writer);
+
+ Writer.Finish();
+
+ #ifdef _DEBUG
+ cParsedNBT TestParse(Writer.GetResult().data(), Writer.GetResult().size());
+ ASSERT(TestParse.IsValid());
+ #endif // _DEBUG
+
+ cFile File;
+ if (!File.Open(FILE_IO_PREFIX + m_Path, cFile::fmWrite))
+ {
+ return false;
+ }
+
+ AString Compressed;
+ int res = CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);
+
+ if (res != Z_OK)
+ {
+ return false;
+ }
+
+ File.Write(Compressed.data(), Compressed.size());
+ File.Close();
+
+ return true;
+}
+
+
+
+
+
+void cMapSerializer::SaveMapToNBT(cFastNBTWriter & a_Writer)
+{
+ a_Writer.BeginCompound("data");
+
+ a_Writer.AddByte("scale", m_Map->GetScale());
+ a_Writer.AddByte("dimension", (int) m_Map->GetDimension());
+
+ a_Writer.AddShort("width", m_Map->GetWidth());
+ a_Writer.AddShort("height", m_Map->GetHeight());
+
+ a_Writer.AddInt("xCenter", m_Map->GetCenterX());
+ a_Writer.AddInt("zCenter", m_Map->GetCenterZ());
+
+ // Potential bug - The internal representation may change
+ const cMap::cColorList & Data = m_Map->GetData();
+ a_Writer.AddByteArray("colors", (char *) Data.data(), Data.size());
+
+ a_Writer.EndCompound();
+}
+
+
+
+
+
+bool cMapSerializer::LoadMapFromNBT(const cParsedNBT & a_NBT)
+{
+ int Data = a_NBT.FindChildByName(0, "data");
+ if (Data < 0)
+ {
+ return false;
+ }
+
+ int CurrLine = a_NBT.FindChildByName(Data, "scale");
+ if (CurrLine >= 0)
+ {
+ unsigned int Scale = a_NBT.GetByte(CurrLine);
+ m_Map->m_Scale = Scale;
+ }
+
+ CurrLine = a_NBT.FindChildByName(Data, "dimension");
+ if (CurrLine >= 0)
+ {
+ eDimension Dimension = (eDimension) a_NBT.GetByte(CurrLine);
+
+ // ASSERT(Dimension == m_World.GetDimension());
+ }
+
+ CurrLine = a_NBT.FindChildByName(Data, "width");
+ if (CurrLine >= 0)
+ {
+ unsigned int Width = a_NBT.GetShort(CurrLine);
+ m_Map->m_Width = Width;
+ }
+
+ CurrLine = a_NBT.FindChildByName(Data, "height");
+ if (CurrLine >= 0)
+ {
+ unsigned int Height = a_NBT.GetShort(CurrLine);
+ m_Map->m_Height = Height;
+ }
+
+ CurrLine = a_NBT.FindChildByName(Data, "xCenter");
+ if (CurrLine >= 0)
+ {
+ int CenterX = a_NBT.GetInt(CurrLine);
+ m_Map->m_CenterX = CenterX;
+ }
+
+ CurrLine = a_NBT.FindChildByName(Data, "zCenter");
+ if (CurrLine >= 0)
+ {
+ int CenterZ = a_NBT.GetInt(CurrLine);
+ m_Map->m_CenterZ = CenterZ;
+ }
+
+ unsigned int NumPixels = m_Map->GetNumPixels();
+ m_Map->m_Data.resize(NumPixels);
+
+ // TODO xdot: Parse the byte array.
+
+ return true;
+}
+
+
+
+
+
+
+
+
diff --git a/src/WorldStorage/MapSerializer.h b/src/WorldStorage/MapSerializer.h
new file mode 100644
index 000000000..71791a2fb
--- /dev/null
+++ b/src/WorldStorage/MapSerializer.h
@@ -0,0 +1,52 @@
+
+// MapSerializer.h
+
+// Declares the cMapSerializer class that is used for saving maps into NBT format used by Anvil
+
+
+
+
+
+#pragma once
+
+
+
+
+
+// fwd:
+class cFastNBTWriter;
+class cParsedNBT;
+class cMap;
+
+
+
+
+class cMapSerializer
+{
+public:
+
+ cMapSerializer(const AString& a_WorldName, cMap * a_Map);
+
+ /// Try to load the scoreboard
+ bool Load(void);
+
+ /// Try to save the scoreboard
+ bool Save(void);
+
+
+private:
+
+ void SaveMapToNBT(cFastNBTWriter & a_Writer);
+
+ bool LoadMapFromNBT(const cParsedNBT & a_NBT);
+
+ cMap * m_Map;
+
+ AString m_Path;
+
+
+} ;
+
+
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 16:17:34 +0100