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authorTiger Wang <ziwei.tiger@hotmail.co.uk>2014-02-24 11:28:34 +0100
committerTiger Wang <ziwei.tiger@hotmail.co.uk>2014-02-24 11:28:34 +0100
commitf77720c43f22e347ae9e66302a58b5e3f6a6de58 (patch)
tree06bb29a7e50aec777969ead2f5ccdf02393c9e1e /src/Map.cpp
parentRemoved an unused member variable from cChunk. (diff)
parentMaps: Improvements (diff)
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Diffstat (limited to 'src/Map.cpp')
-rw-r--r--src/Map.cpp629
1 files changed, 629 insertions, 0 deletions
diff --git a/src/Map.cpp b/src/Map.cpp
new file mode 100644
index 000000000..2b8c4c74c
--- /dev/null
+++ b/src/Map.cpp
@@ -0,0 +1,629 @@
+
+// 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 = (m_Player->GetPosX() - m_Map->GetCenterX()) / PixelWidth;
+ int PixelZ = (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, WorldAge);
+ }
+ else
+ {
+ m_Rot = (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 = (a_Player.GetPosX() - m_CenterX) / PixelWidth + (m_Width / 2);
+ int PixelZ = (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;
+
+ 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 pow(2, m_Scale);
+}
+
+
+
+
+