From bd880603a560160d247d79a2fdeb3fbab26994f0 Mon Sep 17 00:00:00 2001 From: Tycho Date: Wed, 21 May 2014 20:18:09 +0100 Subject: Changed cChunkData::SetMeta to return a bool indicating whether the value changed --- src/ChunkData.h | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'src/ChunkData.h') diff --git a/src/ChunkData.h b/src/ChunkData.h index 24a437629..73b1e8c6a 100644 --- a/src/ChunkData.h +++ b/src/ChunkData.h @@ -167,7 +167,7 @@ public: return 0; } - void SetMeta(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_Nibble) + bool SetMeta(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_Nibble) { if ( (a_RelX >= cChunkDef::Width) || (a_RelX < 0) || @@ -176,7 +176,7 @@ public: ) { ASSERT(!"cChunkData::SetMeta(): index out of range!"); - return; + return false; } int Section = a_RelY / CHUNK_SECTION_HEIGHT; @@ -184,21 +184,23 @@ public: { if((a_Nibble & 0xf) == 0x00) { - return; + return false; } m_Sections[Section] = Allocate(); if(m_Sections[Section] != NULL) { ASSERT(!"Failed to allocate a new section in Chunkbuffer"); - return; + return false; } ZeroSection(m_Sections[Section]); } int Index = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY - (Section * CHUNK_SECTION_HEIGHT), a_RelZ); + NIBBLETYPE oldval = m_Sections[Section]->m_BlockMeta[Index / 2] >> ((Index & 1) * 4) & 0xf; m_Sections[Section]->m_BlockMeta[Index / 2] = static_cast( (m_Sections[Section]->m_BlockMeta[Index / 2] & (0xf0 >> ((Index & 1) * 4))) | // The untouched nibble ((a_Nibble & 0x0f) << ((Index & 1) * 4)) // The nibble being set ); + return oldval == a_Nibble; } NIBBLETYPE GetBlockLight(int a_RelX, int a_RelY, int a_RelZ) const -- cgit v1.2.3