diff options
Diffstat (limited to 'source/BlockArea.cpp')
| -rw-r--r-- | source/BlockArea.cpp | 181 |
1 files changed, 180 insertions, 1 deletions
diff --git a/source/BlockArea.cpp b/source/BlockArea.cpp index 472b14c59..01c1cf4c1 100644 --- a/source/BlockArea.cpp +++ b/source/BlockArea.cpp @@ -14,6 +14,87 @@ +// This wild construct allows us to pass a function argument and still have it inlined by the compiler :)
+/// Merges two blocktypes and blockmetas of the specified sizes and offsets using the specified combinator function
+template<typename Combinator> void InternalMergeBlocks(
+ BLOCKTYPE * a_DstTypes, const BLOCKTYPE * a_SrcTypes,
+ NIBBLETYPE * a_DstMetas, const NIBBLETYPE * a_SrcMetas,
+ int a_SizeX, int a_SizeY, int a_SizeZ,
+ int a_SrcOffX, int a_SrcOffY, int a_SrcOffZ,
+ int a_DstOffX, int a_DstOffY, int a_DstOffZ,
+ int a_SrcSizeX, int a_SrcSizeY, int a_SrcSizeZ,
+ int a_DstSizeX, int a_DstSizeY, int a_DstSizeZ,
+ Combinator a_Combinator
+)
+{
+ for (int y = 0; y < a_SizeY; y++)
+ {
+ int SrcBaseY = (y + a_SrcOffY) * a_SrcSizeX * a_SrcSizeZ;
+ int DstBaseY = (y + a_DstOffY) * a_DstSizeX * a_DstSizeZ;
+ for (int z = 0; z < a_SizeZ; z++)
+ {
+ int SrcBaseZ = SrcBaseY + (z + a_SrcOffZ) * a_SrcSizeX;
+ int DstBaseZ = DstBaseY + (z + a_DstOffZ) * a_DstSizeX;
+ int SrcIdx = SrcBaseZ + a_SrcOffX;
+ int DstIdx = DstBaseZ + a_DstOffX;
+ for (int x = 0; x < a_SizeX; x++)
+ {
+ a_Combinator(a_DstTypes[DstIdx], a_SrcTypes[SrcIdx], a_DstMetas[DstIdx], a_SrcMetas[SrcIdx]);
+ ++DstIdx;
+ ++SrcIdx;
+ } // for x
+ } // for z
+ } // for y
+}
+
+
+
+
+
+/// Combinator used for cBlockArea::msOverwrite merging
+static void MergeCombinatorOverwrite(BLOCKTYPE & a_DstType, BLOCKTYPE a_SrcType, NIBBLETYPE & a_DstMeta, NIBBLETYPE a_SrcMeta)
+{
+ a_DstType = a_SrcType;
+ a_DstMeta = a_SrcMeta;
+}
+
+
+
+
+
+/// Combinator used for cBlockArea::msFillAir merging
+static void MergeCombinatorFillAir(BLOCKTYPE & a_DstType, BLOCKTYPE a_SrcType, NIBBLETYPE & a_DstMeta, NIBBLETYPE a_SrcMeta)
+{
+ if (a_DstType == E_BLOCK_AIR)
+ {
+ a_DstType = a_SrcType;
+ a_DstMeta = a_SrcMeta;
+ }
+ // "else" is the default, already in place
+}
+
+
+
+
+
+/// Combinator used for cBlockArea::msImprint merging
+static void MergeCombinatorImprint(BLOCKTYPE & a_DstType, BLOCKTYPE a_SrcType, NIBBLETYPE & a_DstMeta, NIBBLETYPE a_SrcMeta)
+{
+ if (a_SrcType != E_BLOCK_AIR)
+ {
+ a_DstType = a_SrcType;
+ a_DstMeta = a_SrcMeta;
+ }
+ // "else" is the default, already in place
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cBlockArea:
+
cBlockArea::cBlockArea(void) :
m_SizeX(0),
m_SizeY(0),
@@ -300,7 +381,7 @@ bool cBlockArea::SaveToSchematicFile(const AString & a_FileName) Writer.EndList();
Writer.Finish();
- // TODO: Save to file
+ // Save to file
cGZipFile File;
if (!File.Open(a_FileName, cGZipFile::fmWrite))
{
@@ -392,6 +473,104 @@ void cBlockArea::Expand(int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMa +void cBlockArea::Merge(const cBlockArea & a_Src, int a_RelX, int a_RelY, int a_RelZ, eMergeStrategy a_Strategy)
+{
+ // Block types are compulsory, block metas are voluntary
+ if (!HasBlockTypes() || !a_Src.HasBlockTypes())
+ {
+ LOGWARNING("%s: cannot merge because one of the areas doesn't have blocktypes.", __FUNCTION__);
+ return;
+ }
+
+ // Dst is *this, Src is a_Src
+ int SrcOffX = std::max(0, -a_RelX); // Offset in Src where to start reading
+ int DstOffX = std::max(0, a_RelX); // Offset in Dst where to start writing
+ int SizeX = std::min(a_Src.GetSizeX() - SrcOffX, GetSizeX() - DstOffX); // How many blocks to copy
+
+ int SrcOffY = std::max(0, -a_RelY); // Offset in Src where to start reading
+ int DstOffY = std::max(0, a_RelY); // Offset in Dst where to start writing
+ int SizeY = std::min(a_Src.GetSizeY() - SrcOffY, GetSizeY() - DstOffY); // How many blocks to copy
+
+ int SrcOffZ = std::max(0, -a_RelZ); // Offset in Src where to start reading
+ int DstOffZ = std::max(0, a_RelZ); // Offset in Dst where to start writing
+ int SizeZ = std::min(a_Src.GetSizeZ() - SrcOffZ, GetSizeZ() - DstOffZ); // How many blocks to copy
+
+ const NIBBLETYPE * SrcMetas = a_Src.GetBlockMetas();
+ NIBBLETYPE * DstMetas = m_BlockMetas;
+ bool IsDummyMetas = ((SrcMetas == NULL) || (DstMetas == NULL));
+
+ if (IsDummyMetas)
+ {
+ SrcMetas = new NIBBLETYPE[a_Src.GetBlockCount()];
+ DstMetas = new NIBBLETYPE[GetBlockCount()];
+ }
+
+ switch (a_Strategy)
+ {
+ case msOverwrite:
+ {
+ InternalMergeBlocks(
+ m_BlockTypes, a_Src.GetBlockTypes(),
+ DstMetas, SrcMetas,
+ SizeX, SizeY, SizeZ,
+ SrcOffX, SrcOffY, SrcOffZ,
+ DstOffX, DstOffY, DstOffZ,
+ a_Src.GetSizeX(), a_Src.GetSizeY(), a_Src.GetSizeZ(),
+ m_SizeX, m_SizeY, m_SizeZ,
+ MergeCombinatorOverwrite
+ );
+ break;
+ } // case msOverwrite
+
+ case msFillAir:
+ {
+ InternalMergeBlocks(
+ m_BlockTypes, a_Src.GetBlockTypes(),
+ DstMetas, SrcMetas,
+ SizeX, SizeY, SizeZ,
+ SrcOffX, SrcOffY, SrcOffZ,
+ DstOffX, DstOffY, DstOffZ,
+ a_Src.GetSizeX(), a_Src.GetSizeY(), a_Src.GetSizeZ(),
+ m_SizeX, m_SizeY, m_SizeZ,
+ MergeCombinatorFillAir
+ );
+ break;
+ } // case msFillAir
+
+ case msImprint:
+ {
+ InternalMergeBlocks(
+ m_BlockTypes, a_Src.GetBlockTypes(),
+ DstMetas, SrcMetas,
+ SizeX, SizeY, SizeZ,
+ SrcOffX, SrcOffY, SrcOffZ,
+ DstOffX, DstOffY, DstOffZ,
+ a_Src.GetSizeX(), a_Src.GetSizeY(), a_Src.GetSizeZ(),
+ m_SizeX, m_SizeY, m_SizeZ,
+ MergeCombinatorImprint
+ );
+ break;
+ } // case msImprint
+
+ default:
+ {
+ LOGWARNING("Unknown block area merge strategy: %d", a_Strategy);
+ ASSERT(!"Unknown block area merge strategy");
+ break;
+ }
+ } // switch (a_Strategy)
+
+ if (IsDummyMetas)
+ {
+ delete[] SrcMetas;
+ delete[] DstMetas;
+ }
+}
+
+
+
+
+
void cBlockArea::SetRelBlockType(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType)
{
if (m_BlockTypes == NULL)
|