340 lines
6.6 KiB
C++
340 lines
6.6 KiB
C++
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// Map.cpp
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#include "Globals.h"
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#include "Map.h"
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#include "BlockInfo.h"
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#include "World.h"
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#include "Chunk.h"
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#include "Entities/Player.h"
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#include "FastRandom.h"
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#include "Blocks/BlockHandler.h"
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#include "ClientHandle.h"
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cMap::cMap(unsigned int a_ID, cWorld * a_World):
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m_ID(a_ID),
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m_Width(cChunkDef::Width * 8),
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m_Height(cChunkDef::Width * 8),
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m_Scale(3),
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m_CenterX(0),
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m_CenterZ(0),
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m_World(a_World)
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{
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m_Data.assign(m_Width * m_Height, E_BASE_COLOR_TRANSPARENT);
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Printf(m_Name, "map_%i", m_ID);
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}
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cMap::cMap(unsigned int a_ID, int a_CenterX, int a_CenterZ, cWorld * a_World, unsigned int a_Scale)
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: m_ID(a_ID)
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, m_Width(cChunkDef::Width * 8)
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, m_Height(cChunkDef::Width * 8)
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, m_Scale(a_Scale)
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, m_CenterX(a_CenterX)
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, m_CenterZ(a_CenterZ)
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, m_World(a_World)
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{
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m_Data.assign(m_Width * m_Height, E_BASE_COLOR_TRANSPARENT);
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Printf(m_Name, "map_%i", m_ID);
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}
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void cMap::Tick()
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{
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for (const auto & Client : m_ClientsInCurrentTick)
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{
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Client->SendMapData(*this, 0, 0);
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}
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m_ClientsInCurrentTick.clear();
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m_Decorators.clear();
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}
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void cMap::UpdateRadius(int a_PixelX, int a_PixelZ, unsigned int a_Radius)
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{
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int PixelRadius = static_cast<int>(a_Radius / GetPixelWidth());
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unsigned int StartX = static_cast<unsigned int>(Clamp(a_PixelX - PixelRadius, 0, static_cast<int>(m_Width)));
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unsigned int StartZ = static_cast<unsigned int>(Clamp(a_PixelZ - PixelRadius, 0, static_cast<int>(m_Height)));
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unsigned int EndX = static_cast<unsigned int>(Clamp(a_PixelX + PixelRadius, 0, static_cast<int>(m_Width)));
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unsigned int EndZ = static_cast<unsigned int>(Clamp(a_PixelZ + PixelRadius, 0, static_cast<int>(m_Height)));
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for (unsigned int X = StartX; X < EndX; ++X)
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{
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for (unsigned int Z = StartZ; Z < EndZ; ++Z)
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{
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int dX = static_cast<int>(X) - a_PixelX;
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int dZ = static_cast<int>(Z) - a_PixelZ;
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if ((dX * dX) + (dZ * dZ) < (PixelRadius * PixelRadius))
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{
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UpdatePixel(X, Z);
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}
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}
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}
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}
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void cMap::UpdateRadius(cPlayer & a_Player, unsigned int a_Radius)
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{
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int PixelWidth = static_cast<int>(GetPixelWidth());
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int PixelX = static_cast<int>(a_Player.GetPosX() - m_CenterX) / PixelWidth + static_cast<int>(m_Width / 2);
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int PixelZ = static_cast<int>(a_Player.GetPosZ() - m_CenterZ) / PixelWidth + static_cast<int>(m_Height / 2);
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UpdateRadius(PixelX, PixelZ, a_Radius);
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}
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bool cMap::UpdatePixel(unsigned int a_X, unsigned int a_Z)
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{
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int BlockX = m_CenterX + static_cast<int>((a_X - m_Width / 2) * GetPixelWidth());
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int BlockZ = m_CenterZ + static_cast<int>((a_Z - m_Height / 2) * GetPixelWidth());
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int ChunkX, ChunkZ;
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cChunkDef::BlockToChunk(BlockX, BlockZ, ChunkX, ChunkZ);
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int RelX = BlockX - (ChunkX * cChunkDef::Width);
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int RelZ = BlockZ - (ChunkZ * cChunkDef::Width);
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ASSERT(m_World != nullptr);
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ColorID PixelData;
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m_World->DoWithChunk(ChunkX, ChunkZ, [&](cChunk & a_Chunk)
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{
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if (!a_Chunk.IsValid())
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{
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return false;
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}
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if (GetDimension() == dimNether)
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{
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// TODO 2014-02-22 xdot: Nether maps
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return false;
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}
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static const std::array<unsigned char, 4> BrightnessID = { { 3, 0, 1, 2 } }; // Darkest to lightest
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BLOCKTYPE TargetBlock;
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NIBBLETYPE TargetMeta;
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auto Height = a_Chunk.GetHeight(RelX, RelZ);
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auto ChunkHeight = cChunkDef::Height;
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a_Chunk.GetBlockTypeMeta(RelX, Height, RelZ, TargetBlock, TargetMeta);
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auto ColourID = BlockHandler(TargetBlock)->GetMapBaseColourID(TargetMeta);
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if (IsBlockWater(TargetBlock))
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{
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ChunkHeight /= 4;
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while (((--Height) != -1) && IsBlockWater(a_Chunk.GetBlock(RelX, Height, RelZ)))
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{
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continue;
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}
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}
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else if (ColourID == 0)
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{
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while (((--Height) != -1) && ((ColourID = BlockHandler(a_Chunk.GetBlock(RelX, Height, RelZ))->GetMapBaseColourID(a_Chunk.GetMeta(RelX, Height, RelZ))) == 0))
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{
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continue;
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}
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}
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// Multiply base color ID by 4 and add brightness ID
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const int BrightnessIDSize = static_cast<int>(BrightnessID.size());
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PixelData = ColourID * 4 + BrightnessID[static_cast<size_t>(Clamp<int>((BrightnessIDSize * Height) / ChunkHeight, 0, BrightnessIDSize - 1))];
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return false;
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}
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);
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SetPixel(a_X, a_Z, PixelData);
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return true;
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}
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void cMap::UpdateClient(cPlayer * a_Player)
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{
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ASSERT(a_Player != nullptr);
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m_Decorators.emplace_back(CreateDecorator(a_Player));
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m_ClientsInCurrentTick.push_back(a_Player->GetClientHandle());
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}
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eDimension cMap::GetDimension(void) const
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{
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ASSERT(m_World != nullptr);
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return m_World->GetDimension();
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}
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void cMap::Resize(unsigned int a_Width, unsigned int a_Height)
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{
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if ((m_Width == a_Width) && (m_Height == a_Height))
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{
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return;
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}
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m_Width = a_Width;
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m_Height = a_Height;
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m_Data.assign(m_Width * m_Height, 0);
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}
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void cMap::SetPosition(int a_CenterX, int a_CenterZ)
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{
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m_CenterX = a_CenterX;
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m_CenterZ = a_CenterZ;
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}
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bool cMap::SetPixel(unsigned int a_X, unsigned int a_Z, cMap::ColorID a_Data)
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{
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if ((a_X < m_Width) && (a_Z < m_Height))
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{
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m_Data[a_Z * m_Width + a_X] = a_Data;
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return true;
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}
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else
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{
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return false;
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}
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}
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cMap::ColorID cMap::GetPixel(unsigned int a_X, unsigned int a_Z)
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{
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if ((a_X < m_Width) && (a_Z < m_Height))
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{
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return m_Data[a_Z * m_Width + a_X];
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}
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else
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{
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return E_BASE_COLOR_TRANSPARENT;
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}
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}
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unsigned int cMap::GetNumPixels(void) const
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{
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return m_Width * m_Height;
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}
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const cMapDecorator cMap::CreateDecorator(const cEntity * a_TrackedEntity)
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{
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int InsideWidth = (GetWidth() / 2) - 1;
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int InsideHeight = (GetHeight() / 2) - 1;
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// Center of pixel
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int PixelX = static_cast<int>(a_TrackedEntity->GetPosX() - GetCenterX()) / static_cast<int>(GetPixelWidth());
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int PixelZ = static_cast<int>(a_TrackedEntity->GetPosZ() - GetCenterZ()) / static_cast<int>(GetPixelWidth());
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cMapDecorator::eType Type;
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int Rot;
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if ((PixelX > -InsideWidth) && (PixelX <= InsideWidth) && (PixelZ > -InsideHeight) && (PixelZ <= InsideHeight))
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{
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double Yaw = a_TrackedEntity->GetYaw();
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if (GetDimension() == dimNether)
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{
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// TODO 2014-02-19 xdot: Refine
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Rot = GetRandomProvider().RandInt(15);
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}
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else
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{
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Rot = CeilC(((Yaw - 11.25) * 16) / 360);
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}
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Type = cMapDecorator::eType::E_TYPE_PLAYER;
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}
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else
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{
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Rot = 0;
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Type = cMapDecorator::eType::E_TYPE_PLAYER_OUTSIDE;
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// Move to border
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if (PixelX <= -InsideWidth)
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{
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PixelX = -InsideWidth;
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}
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if (PixelZ <= -InsideHeight)
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{
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PixelZ = -InsideHeight;
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}
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if (PixelX > InsideWidth)
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{
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PixelX = InsideWidth;
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}
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if (PixelZ > InsideHeight)
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{
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PixelZ = InsideHeight;
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}
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}
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return {Type, static_cast<unsigned>(2 * PixelX + 1), static_cast<unsigned>(2 * PixelZ + 1), Rot};
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}
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unsigned int cMap::GetPixelWidth(void) const
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{
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return static_cast<unsigned int>(pow(2.0, static_cast<double>(m_Scale)));
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}
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