Method ReadBlockArea

src/Generating/ChunkDesc.cpp:256–367

void cChunkDesc::ReadBlockArea(cBlockArea & a_Dest, int a_MinRelX, int a_MaxRelX, int a_MinRelY, int a_MaxRelY, int a_MinRelZ, int a_MaxRelZ)
{
	// Normalize the coords:
	if (a_MinRelX > a_MaxRelX)
	{
		std::swap(a_MinRelX, a_MaxRelX);
	}
	if (a_MinRelY > a_MaxRelY)
	{
		std::swap(a_MinRelY, a_MaxRelY);
	}
	if (a_MinRelZ > a_MaxRelZ)
	{
		std::swap(a_MinRelZ, a_MaxRelZ);
	}

	// Include the Max coords:
	a_MaxRelX += 1;
	a_MaxRelY += 1;
	a_MaxRelZ += 1;

	// Check coords validity:
	if (a_MinRelX < 0)
	{
		LOGWARNING("%s: MinRelX less than zero, adjusting to zero", __FUNCTION__);
		a_MinRelX = 0;
	}
	else if (a_MinRelX >= cChunkDef::Width)
	{
		LOGWARNING("%s: MinRelX more than chunk width, adjusting to chunk width", __FUNCTION__);
		a_MinRelX = cChunkDef::Width - 1;
	}
	if (a_MaxRelX < 0)
	{
		LOGWARNING("%s: MaxRelX less than zero, adjusting to zero", __FUNCTION__);
		a_MaxRelX = 0;
	}
	else if (a_MinRelX >= cChunkDef::Width)
	{
		LOGWARNING("%s: MaxRelX more than chunk width, adjusting to chunk width", __FUNCTION__);
		a_MaxRelX = cChunkDef::Width - 1;
	}

	if (a_MinRelY < 0)
	{
		LOGWARNING("%s: MinRelY less than zero, adjusting to zero", __FUNCTION__);
		a_MinRelY = 0;
	}
	else if (a_MinRelY >= cChunkDef::Height)
	{
		LOGWARNING("%s: MinRelY more than chunk height, adjusting to chunk height", __FUNCTION__);
		a_MinRelY = cChunkDef::Height - 1;
	}
	if (a_MaxRelY < 0)
	{
		LOGWARNING("%s: MaxRelY less than zero, adjusting to zero", __FUNCTION__);
		a_MaxRelY = 0;
	}