diff options
Diffstat (limited to 'src/Map.cpp')
| -rw-r--r-- | src/Map.cpp | 633 |
1 files changed, 633 insertions, 0 deletions
diff --git a/src/Map.cpp b/src/Map.cpp new file mode 100644 index 000000000..79370b097 --- /dev/null +++ b/src/Map.cpp @@ -0,0 +1,633 @@ + +// Map.cpp + +#include "Globals.h" + +#include "Map.h" + +#include "ClientHandle.h" +#include "World.h" +#include "Chunk.h" +#include "Entities/Player.h" +#include "FastRandom.h" + + + + + +cMapDecorator::cMapDecorator(cMap * a_Map, eType a_Type, int a_X, int a_Z, int a_Rot) + : m_Map(a_Map) + , m_Type(a_Type) + , m_PixelX(a_X) + , m_PixelZ(a_Z) + , m_Rot(a_Rot) + , m_Player(NULL) +{ +} + + + + + +cMapDecorator::cMapDecorator(cMap * a_Map, cPlayer * a_Player) + : m_Map(a_Map) + , m_Type(E_TYPE_PLAYER) + , m_Player(a_Player) +{ + Update(); +} + + + + + +void cMapDecorator::Update(void) +{ + if (m_Player != NULL) + { + ASSERT(m_Map != NULL); + unsigned int PixelWidth = m_Map->GetPixelWidth(); + + int InsideWidth = (m_Map->GetWidth() / 2) - 1; + int InsideHeight = (m_Map->GetHeight() / 2) - 1; + + int PixelX = (int) (m_Player->GetPosX() - m_Map->GetCenterX()) / PixelWidth; + int PixelZ = (int) (m_Player->GetPosZ() - m_Map->GetCenterZ()) / PixelWidth; + + // Center of pixel + m_PixelX = (2 * PixelX) + 1; + m_PixelZ = (2 * PixelZ) + 1; + + if ((PixelX > -InsideWidth) && (PixelX <= InsideWidth) && (PixelZ > -InsideHeight) && (PixelZ <= InsideHeight)) + { + double Yaw = m_Player->GetYaw(); + + if (m_Map->GetDimension() == dimNether) + { + cFastRandom Random; + + Int64 WorldAge = m_Player->GetWorld()->GetWorldAge(); + + // TODO 2014-02-19 xdot: Refine + m_Rot = Random.NextInt(16, (int) WorldAge); + } + else + { + m_Rot = (int) (Yaw * 16) / 360; + } + + m_Type = E_TYPE_PLAYER; + } + else + { + if ((abs(PixelX) > 320.0) || (abs(PixelZ) > 320.0)) + { + // TODO 2014-02-18 xdot: Remove decorator + } + + m_Rot = 0; + + m_Type = E_TYPE_PLAYER_OUTSIDE; + + // Move to border + if (PixelX <= -InsideWidth) + { + m_PixelX = (2 * -InsideWidth) + 1; + } + if (PixelZ <= -InsideHeight) + { + m_PixelZ = (2 * -InsideHeight) + 1; + } + if (PixelX > InsideWidth) + { + m_PixelX = (2 * InsideWidth) + 1; + } + if (PixelZ > InsideHeight) + { + m_PixelZ = (2 * InsideHeight) + 1; + } + } + } +} + + + + + +cMap::cMap(unsigned int a_ID, cWorld * a_World) + : m_ID(a_ID) + , m_Width(cChunkDef::Width * 8) + , m_Height(cChunkDef::Width * 8) + , m_Scale(3) + , m_CenterX(0) + , m_CenterZ(0) + , m_World(a_World) +{ + m_Data.assign(m_Width * m_Height, E_BASE_COLOR_TRANSPARENT); + + Printf(m_Name, "map_%i", m_ID); +} + + + + + +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(cChunkDef::Width * 8) + , m_Height(cChunkDef::Width * 8) + , m_Scale(a_Scale) + , m_CenterX(a_CenterX) + , m_CenterZ(a_CenterZ) + , m_World(a_World) +{ + m_Data.assign(m_Width * m_Height, E_BASE_COLOR_TRANSPARENT); + + Printf(m_Name, "map_%i", m_ID); +} + + + + + +void cMap::UpdateRadius(int a_PixelX, int a_PixelZ, unsigned int a_Radius) +{ + int PixelRadius = a_Radius / GetPixelWidth(); + + unsigned int StartX = Clamp(a_PixelX - PixelRadius, 0, (int)m_Width); + unsigned int StartZ = Clamp(a_PixelZ - PixelRadius, 0, (int)m_Height); + + unsigned int EndX = Clamp(a_PixelX + PixelRadius, 0, (int)m_Width); + unsigned int EndZ = Clamp(a_PixelZ + PixelRadius, 0, (int)m_Height); + + for (unsigned int X = StartX; X < EndX; ++X) + { + for (unsigned int Z = StartZ; Z < EndZ; ++Z) + { + int dX = X - a_PixelX; + int dZ = Z - a_PixelZ; + + if ((dX * dX) + (dZ * dZ) < (PixelRadius * PixelRadius)) + { + UpdatePixel(X, Z); + } + } + } +} + + + + + +void cMap::UpdateRadius(cPlayer & a_Player, unsigned int a_Radius) +{ + unsigned int PixelWidth = GetPixelWidth(); + + int PixelX = (int) (a_Player.GetPosX() - m_CenterX) / PixelWidth + (m_Width / 2); + int PixelZ = (int) (a_Player.GetPosZ() - m_CenterZ) / PixelWidth + (m_Height / 2); + + UpdateRadius(PixelX, PixelZ, a_Radius); +} + + + + + +bool cMap::UpdatePixel(unsigned int a_X, unsigned int a_Z) +{ + unsigned int PixelWidth = GetPixelWidth(); + + int BlockX = m_CenterX + ((a_X - (m_Width / 2)) * PixelWidth); + int BlockZ = m_CenterZ + ((a_Z - (m_Height / 2)) * PixelWidth); + + int ChunkX, ChunkY, ChunkZ; + m_World->BlockToChunk(BlockX, 0, BlockZ, ChunkX, ChunkY, ChunkZ); + + int RelX = BlockX - (ChunkX * cChunkDef::Width); + int RelZ = BlockZ - (ChunkZ * cChunkDef::Width); + + class cCalculatePixelCb : + public cChunkCallback + { + cMap * m_Map; + + int m_RelX, m_RelZ; + + ColorID m_PixelData; + + public: + cCalculatePixelCb(cMap * a_Map, int a_RelX, int a_RelZ) + : m_Map(a_Map), m_RelX(a_RelX), m_RelZ(a_RelZ), m_PixelData(E_BASE_COLOR_TRANSPARENT) {} + + virtual bool Item(cChunk * a_Chunk) override + { + if (a_Chunk == NULL) + { + return false; + } + + unsigned int PixelWidth = m_Map->GetPixelWidth(); + + if (m_Map->GetDimension() == dimNether) + { + // TODO 2014-02-22 xdot: Nether maps + + return false; + } + + typedef std::map<ColorID, unsigned int> ColorCountMap; + ColorCountMap ColorCounts; + + // Count surface blocks + for (unsigned int X = m_RelX; X < m_RelX + PixelWidth; ++X) + { + for (unsigned int Z = m_RelZ; Z < m_RelZ + PixelWidth; ++Z) + { + // unsigned int WaterDepth = 0; + + BLOCKTYPE TargetBlock = E_BLOCK_AIR; + NIBBLETYPE TargetMeta = 0; + + int Height = a_Chunk->GetHeight(X, Z); + + while (Height > 0) + { + a_Chunk->GetBlockTypeMeta(X, Height, Z, TargetBlock, TargetMeta); + + // TODO 2014-02-22 xdot: Check if block color is transparent + if (TargetBlock == E_BLOCK_AIR) + { + --Height; + continue; + } + // TODO 2014-02-22 xdot: Check if block is liquid + /* + else if (false) + { + --Height; + ++WaterDepth; + continue; + } + */ + + break; + } + + // TODO 2014-02-22 xdot: Query block color + ColorID Color = E_BASE_COLOR_BROWN; + + // Debug - Temporary + switch (TargetBlock) + { + case E_BLOCK_GRASS: + { + Color = E_BASE_COLOR_LIGHT_GREEN; break; + } + case E_BLOCK_STATIONARY_WATER: + case E_BLOCK_WATER: + { + Color = E_BASE_COLOR_BLUE; break; + } + } + + ++ColorCounts[Color]; + } + } + + // Find dominant color + ColorID PixelColor = E_BASE_COLOR_TRANSPARENT; + + unsigned int MaxCount = 0; + + for (ColorCountMap::iterator it = ColorCounts.begin(); it != ColorCounts.end(); ++it) + { + if (it->second > MaxCount) + { + PixelColor = it->first; + MaxCount = it->second; + } + } + + // TODO 2014-02-22 xdot: Adjust brightness + unsigned int dColor = 1; + + m_PixelData = PixelColor + dColor; + + return false; + } + + ColorID GetPixelData(void) const + { + return m_PixelData; + } + } CalculatePixelCb(this, RelX, RelZ); + + ASSERT(m_World != NULL); + m_World->DoWithChunk(ChunkX, ChunkZ, CalculatePixelCb); + + SetPixel(a_X, a_Z, CalculatePixelCb.GetPixelData()); + + return true; +} + + + + + +void cMap::UpdateDecorators(void) +{ + for (cMapDecoratorList::iterator it = m_Decorators.begin(); it != m_Decorators.end(); ++it) + { + it->Update(); + } +} + + + + + +void cMap::AddPlayer(cPlayer * a_Player, Int64 a_WorldAge) +{ + cClientHandle * Handle = a_Player->GetClientHandle(); + if (Handle == NULL) + { + return; + } + + cMapClient MapClient; + + MapClient.m_LastUpdate = a_WorldAge; + MapClient.m_SendInfo = true; + MapClient.m_Handle = Handle; + MapClient.m_DataUpdate = 0; + MapClient.m_NextDecoratorUpdate = 0; + + m_Clients.push_back(MapClient); + + cMapDecorator PlayerDecorator(this, a_Player); + + m_Decorators.push_back(PlayerDecorator); +} + + + + + +void cMap::RemoveInactiveClients(Int64 a_WorldAge) +{ + for (cMapClientList::iterator it = m_Clients.begin(); it != m_Clients.end();) + { + if (it->m_LastUpdate < a_WorldAge) + { + // Remove associated decorators + for (cMapDecoratorList::iterator it2 = m_Decorators.begin(); it2 != m_Decorators.end();) + { + if (it2->GetPlayer()->GetClientHandle() == it->m_Handle) + { + // Erase decorator + cMapDecoratorList::iterator temp = it2; + ++it2; + m_Decorators.erase(temp); + } + else + { + ++it2; + } + } + + // Erase client + cMapClientList::iterator temp = it; + ++it; + m_Clients.erase(temp); + } + else + { + ++it; + } + } +} + + + + + +void cMap::StreamNext(cMapClient & a_Client) +{ + cClientHandle * Handle = a_Client.m_Handle; + + if (a_Client.m_SendInfo) + { + Handle->SendMapInfo(m_ID, m_Scale); + + a_Client.m_SendInfo = false; + + return; + } + + ++a_Client.m_NextDecoratorUpdate; + + if (a_Client.m_NextDecoratorUpdate >= 4) + { + // TODO 2014-02-19 xdot + // This is dangerous as the player object may have been destroyed before the decorator is erased from the list + UpdateDecorators(); + + Handle->SendMapDecorators(m_ID, m_Decorators); + + a_Client.m_NextDecoratorUpdate = 0; + } + else + { + ++a_Client.m_DataUpdate; + + unsigned int Y = (a_Client.m_DataUpdate * 11) % m_Width; + + const Byte * Colors = &m_Data[Y * m_Height]; + + Handle->SendMapColumn(m_ID, Y, 0, Colors, m_Height); + } +} + + + + + +void cMap::UpdateClient(cPlayer * a_Player) +{ + ASSERT(a_Player != NULL); + cClientHandle * Handle = a_Player->GetClientHandle(); + + if (Handle == NULL) + { + return; + } + + Int64 WorldAge = a_Player->GetWorld()->GetWorldAge(); + + RemoveInactiveClients(WorldAge - 5); + + // Linear search for client state + for (cMapClientList::iterator it = m_Clients.begin(); it != m_Clients.end(); ++it) + { + if (it->m_Handle == Handle) + { + it->m_LastUpdate = WorldAge; + + StreamNext(*it); + + return; + } + } + + // New player, construct a new client state + AddPlayer(a_Player, WorldAge); +} + + + + + +void cMap::EraseData(void) +{ + m_Data.assign(m_Width * m_Height, 0); +} + + + + + +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); +} + + + + + +void cMap::SetPosition(int a_CenterX, int a_CenterZ) +{ + m_CenterX = a_CenterX; + m_CenterZ = a_CenterZ; +} + + + + + +void cMap::SetScale(unsigned int a_Scale) +{ + if (m_Scale == a_Scale) + { + return; + } + + m_Scale = a_Scale; + + for (cMapClientList::iterator it = m_Clients.begin(); it != m_Clients.end(); ++it) + { + it->m_SendInfo = true; + } +} + + + + + +bool cMap::SetPixel(unsigned int a_X, unsigned int a_Z, cMap::ColorID a_Data) +{ + if ((a_X < m_Width) && (a_Z < m_Height)) + { + m_Data[a_Z + (a_X * m_Height)] = a_Data; + + return true; + } + else + { + return false; + } +} + + + + + +cMap::ColorID cMap::GetPixel(unsigned int a_X, unsigned int a_Z) +{ + if ((a_X < m_Width) && (a_Z < m_Height)) + { + return m_Data[a_Z + (a_X * m_Height)]; + } + else + { + return E_BASE_COLOR_TRANSPARENT; + } +} + + + + + +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); + } + + a_Client.SendMapDecorators(m_ID, m_Decorators); +} + + + + + +unsigned int cMap::GetNumPixels(void) const +{ + return m_Width * m_Height; +} + + + + + +unsigned int cMap::GetNumDecorators(void) const +{ + return m_Decorators.size(); +} + + + + +unsigned int cMap::GetPixelWidth(void) const +{ + return (int) pow(2.0, (double) m_Scale); +} + + + + + |