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authorLane Kolbly <lane@rscheme.org>2017-08-17 15:48:38 +0200
committerMattes D <github@xoft.cz>2017-08-17 15:48:38 +0200
commit7bdbfad1bbabb84e650261ad31d2d9b47f8b12a9 (patch)
tree59128a57d87d7826de450a71e060bd869e837a4a /src/ChunkDef.h
parentUpdated docs to mention InfoDump for creating README.md, etc. (#3895) (diff)
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Diffstat (limited to 'src/ChunkDef.h')
-rw-r--r--src/ChunkDef.h64
1 files changed, 38 insertions, 26 deletions
diff --git a/src/ChunkDef.h b/src/ChunkDef.h
index 11a03a26e..0e9dbf6b7 100644
--- a/src/ChunkDef.h
+++ b/src/ChunkDef.h
@@ -27,6 +27,7 @@ class cBlockEntity;
class cEntity;
class cClientHandle;
class cBlockEntity;
+class cChunkCoords;
typedef std::list<cEntity *> cEntityList;
typedef std::map<int, cBlockEntity *> cBlockEntities;
@@ -50,6 +51,25 @@ typedef unsigned char HEIGHTTYPE;
+
+class cChunkCoords
+{
+public:
+ int m_ChunkX;
+ int m_ChunkZ;
+
+ cChunkCoords(int a_ChunkX, int a_ChunkZ) : m_ChunkX(a_ChunkX), m_ChunkZ(a_ChunkZ) {}
+
+ bool operator == (const cChunkCoords & a_Other) const
+ {
+ return ((m_ChunkX == a_Other.m_ChunkX) && (m_ChunkZ == a_Other.m_ChunkZ));
+ }
+} ;
+
+
+
+
+
/** Constants used throughout the code, useful typedefs and utility functions */
class cChunkDef
{
@@ -107,9 +127,9 @@ public:
}
/** Converts relative block coordinates into absolute coordinates with a known chunk location */
- inline static Vector3i RelativeToAbsolute(const Vector3i & a_RelBlockPosition, int a_ChunkX, int a_ChunkZ)
+ inline static Vector3i RelativeToAbsolute(Vector3i a_RelBlockPosition, int a_ChunkX, int a_ChunkZ)
{
- return Vector3i(a_RelBlockPosition.x + a_ChunkX * Width, a_RelBlockPosition.y, a_RelBlockPosition.z + a_ChunkZ * Width);
+ return {a_RelBlockPosition.x + a_ChunkX * Width, a_RelBlockPosition.y, a_RelBlockPosition.z + a_ChunkZ * Width};
}
/** Validates a height-coordinate. Returns false if height-coordiante is out of height bounds */
@@ -127,16 +147,26 @@ public:
/** Converts absolute block coords to chunk coords: */
inline static void BlockToChunk(int a_X, int a_Z, int & a_ChunkX, int & a_ChunkZ)
{
- a_ChunkX = a_X / Width;
- if ((a_X < 0) && (a_X % Width != 0))
+ // This version is deprecated in favor of the vector version
+ // If you're developing new code, use the other version.
+ auto ChunkCoords = BlockToChunk({a_X, 0, a_Z});
+ a_ChunkX = ChunkCoords.m_ChunkX;
+ a_ChunkZ = ChunkCoords.m_ChunkZ;
+ }
+
+ /** The Y coordinate of a_Pos is ignored */
+ inline static cChunkCoords BlockToChunk(Vector3i a_Pos)
+ {
+ cChunkCoords Chunk(a_Pos.x / Width, a_Pos.z / Width);
+ if ((a_Pos.x < 0) && (a_Pos.x % Width != 0))
{
- a_ChunkX--;
+ Chunk.m_ChunkX--;
}
- a_ChunkZ = a_Z / cChunkDef::Width;
- if ((a_Z < 0) && (a_Z % Width != 0))
+ if ((a_Pos.z < 0) && (a_Pos.z % Width != 0))
{
- a_ChunkZ--;
+ Chunk.m_ChunkZ--;
}
+ return Chunk;
}
@@ -407,24 +437,6 @@ struct sSetBlock
typedef std::list<sSetBlock> sSetBlockList;
typedef std::vector<sSetBlock> sSetBlockVector;
-
-
-
-
-class cChunkCoords
-{
-public:
- int m_ChunkX;
- int m_ChunkZ;
-
- cChunkCoords(int a_ChunkX, int a_ChunkZ) : m_ChunkX(a_ChunkX), m_ChunkZ(a_ChunkZ) {}
-
- bool operator == (const cChunkCoords & a_Other) const
- {
- return ((m_ChunkX == a_Other.m_ChunkX) && (m_ChunkZ == a_Other.m_ChunkZ));
- }
-} ;
-
typedef std::list<cChunkCoords> cChunkCoordsList;
typedef std::vector<cChunkCoords> cChunkCoordsVector;