From 7bdbfad1bbabb84e650261ad31d2d9b47f8b12a9 Mon Sep 17 00:00:00 2001
From: Lane Kolbly <lane@rscheme.org>
Date: Thu, 17 Aug 2017 08:48:38 -0500
Subject: Changed int parameters to vector parameters in cCuboid and simulators
 (#3874)

---
 src/ChunkDef.h | 64 ++++++++++++++++++++++++++++++++++------------------------
 1 file changed, 38 insertions(+), 26 deletions(-)

(limited to 'src/ChunkDef.h')

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;
 
-- 
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