diff options
Diffstat (limited to 'source/Tracer.cpp')
| -rw-r--r-- | source/Tracer.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/source/Tracer.cpp b/source/Tracer.cpp index 42f1ae5dd..ef136302f 100644 --- a/source/Tracer.cpp +++ b/source/Tracer.cpp @@ -131,12 +131,12 @@ void cTracer::SetValues(const Vector3f & a_Start, const Vector3f & a_Direction) -int cTracer::Trace( const Vector3f & a_Start, const Vector3f & a_Direction, int a_Distance) +bool cTracer::Trace( const Vector3f & a_Start, const Vector3f & a_Direction, int a_Distance, bool a_LineOfSight) { if ((a_Start.y < 0) || (a_Start.y >= cChunkDef::Height)) { LOGD("%s: Start Y is outside the world (%.2f), not tracing.", __FUNCTION__, a_Start.y); - return 0; + return false; } SetValues(a_Start, a_Direction); @@ -157,7 +157,7 @@ int cTracer::Trace( const Vector3f & a_Start, const Vector3f & a_Direction, int // check if first is occupied if (pos.Equals(end1)) { - return 0; + return false; } bool reachedX = false, reachedY = false, reachedZ = false; @@ -224,8 +224,9 @@ int cTracer::Trace( const Vector3f & a_Start, const Vector3f & a_Direction, int } BLOCKTYPE BlockID = m_World->GetBlock(pos.x, pos.y, pos.z); - // No collision with water ;) - if ((BlockID != E_BLOCK_AIR) || IsBlockWater(BlockID)) // _X 2013_03_29: Why is the IsBlockWater condition here? water equals air? + // Block is counted as a collision if we are not doing a line of sight and it is solid, + // or if the block is not air and not water. That way mobs can still see underwater. + if ((!a_LineOfSight && g_BlockIsSolid[BlockID]) || (a_LineOfSight && (BlockID != E_BLOCK_AIR) && !IsBlockWater(BlockID))) { BlockHitPosition = pos; int Normal = GetHitNormal(a_Start, End, pos ); @@ -233,10 +234,10 @@ int cTracer::Trace( const Vector3f & a_Start, const Vector3f & a_Direction, int { HitNormal = m_NormalTable[Normal-1]; } - return 1; + return true; } } - return 0; + return false; } |