From 4e8b4981d877b28e0784f294341072fa3f279fb4 Mon Sep 17 00:00:00 2001
From: Woazboat <f.kargl@posteo.de>
Date: Tue, 28 Apr 2015 02:26:25 +0200
Subject: convert c style casts to c++ static casts

---
 src/SetChunkData.cpp |  2 +-
 src/Tracer.cpp       | 29 +++++++++++++++--------------
 2 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/src/SetChunkData.cpp b/src/SetChunkData.cpp
index e5afd96ed..7549b0dbf 100644
--- a/src/SetChunkData.cpp
+++ b/src/SetChunkData.cpp
@@ -103,7 +103,7 @@ void cSetChunkData::CalculateHeightMap(void)
 				int index = cChunkDef::MakeIndexNoCheck(x, y, z);
 				if (m_BlockTypes[index] != E_BLOCK_AIR)
 				{
-					m_HeightMap[x + z * cChunkDef::Width] = (HEIGHTTYPE)y;
+					m_HeightMap[x + z * cChunkDef::Width] = static_cast<HEIGHTTYPE>(y);
 					break;
 				}
 			}  // for y
diff --git a/src/Tracer.cpp b/src/Tracer.cpp
index e604f4a5b..3f9501e1f 100644
--- a/src/Tracer.cpp
+++ b/src/Tracer.cpp
@@ -98,37 +98,38 @@ void cTracer::SetValues(const Vector3f & a_Start, const Vector3f & a_Direction)
 		tDelta.z = 0;
 	}
 
+
 	// start voxel coordinates
-	pos.x = (int)floorf(a_Start.x);
-	pos.y = (int)floorf(a_Start.y);
-	pos.z = (int)floorf(a_Start.z);
+	pos.x = static_cast<int>(floorf(a_Start.x));
+	pos.y = static_cast<int>(floorf(a_Start.y));
+	pos.z = static_cast<int>(floorf(a_Start.z));
 
 	// calculate distance to first intersection in the voxel we start from
 	if (dir.x < 0)
 	{
-		tMax.x = ((float)pos.x - a_Start.x) / dir.x;
+		tMax.x = (static_cast<float>(pos.x) - a_Start.x) / dir.x;
 	}
 	else
 	{
-		tMax.x = (((float)pos.x + 1) - a_Start.x) / dir.x;
+		tMax.x = (static_cast<float>(pos.x + 1) - a_Start.x) / dir.x; //TODO: Possible division by zero
 	}
 
 	if (dir.y < 0)
 	{
-		tMax.y = ((float)pos.y - a_Start.y) / dir.y;
+		tMax.y = (static_cast<float>(pos.y) - a_Start.y) / dir.y;
 	}
 	else
 	{
-		tMax.y = (((float)pos.y + 1) - a_Start.y) / dir.y;
+		tMax.y = (static_cast<float>(pos.y + 1) - a_Start.y) / dir.y; //TODO: Possible division by zero
 	}
 
 	if (dir.z < 0)
 	{
-		tMax.z = ((float)pos.z - a_Start.z) / dir.z;
+		tMax.z = (static_cast<float>(pos.z) - a_Start.z) / dir.z;
 	}
 	else
 	{
-		tMax.z = (((float)pos.z + 1) - a_Start.z) / dir.z;
+		tMax.z = (static_cast<float>(pos.z + 1) - a_Start.z) / dir.z; //TODO: Possible division by zero
 	}
 }
 
@@ -146,18 +147,18 @@ bool cTracer::Trace(const Vector3f & a_Start, const Vector3f & a_Direction, int
 	
 	SetValues(a_Start, a_Direction);
 
-	Vector3f End = a_Start + (dir * (float)a_Distance);
+	Vector3f End = a_Start + (dir * static_cast<float>(a_Distance));
 	
 	if (End.y < 0)
 	{
-		float dist = -a_Start.y / dir.y;
+		float dist = -a_Start.y / dir.y; // No division by 0 possible
 		End = a_Start + (dir * dist);
 	}
 
 	// end voxel coordinates
-	end1.x = (int)floorf(End.x);
-	end1.y = (int)floorf(End.y);
-	end1.z = (int)floorf(End.z);
+	end1.x = static_cast<int>(floorf(End.x));
+	end1.y = static_cast<int>(floorf(End.y));
+	end1.z = static_cast<int>(floorf(End.z));
 	
 	// check if first is occupied
 	if (pos.Equals(end1))
-- 
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