4 files changed, 138 insertions, 4 deletions

diff --git a/source/Bindings.cpp b/source/Bindings.cpp
index ae51e3ee8..188f99259 100644
--- a/source/Bindings.cpp
+++ b/source/Bindings.cpp
@@ -1,6 +1,6 @@
 /*
 ** Lua binding: AllToLua
-** Generated automatically by tolua++-1.0.92 on 02/05/13 19:20:01.
+** Generated automatically by tolua++-1.0.92 on 02/06/13 17:53:00.
 */
 
 #ifndef __cplusplus
@@ -17859,6 +17859,49 @@ static int tolua_AllToLua_cBlockArea_DumpToRawFile00(lua_State* tolua_S)
 }
 #endif //#ifndef TOLUA_DISABLE
 
+/* method: Crop of class  cBlockArea */
+#ifndef TOLUA_DISABLE_tolua_AllToLua_cBlockArea_Crop00
+static int tolua_AllToLua_cBlockArea_Crop00(lua_State* tolua_S)
+{
+#ifndef TOLUA_RELEASE
+ tolua_Error tolua_err;
+ if (
+     !tolua_isusertype(tolua_S,1,"cBlockArea",0,&tolua_err) ||
+     !tolua_isnumber(tolua_S,2,0,&tolua_err) ||
+     !tolua_isnumber(tolua_S,3,0,&tolua_err) ||
+     !tolua_isnumber(tolua_S,4,0,&tolua_err) ||
+     !tolua_isnumber(tolua_S,5,0,&tolua_err) ||
+     !tolua_isnumber(tolua_S,6,0,&tolua_err) ||
+     !tolua_isnumber(tolua_S,7,0,&tolua_err) ||
+     !tolua_isnoobj(tolua_S,8,&tolua_err)
+ )
+  goto tolua_lerror;
+ else
+#endif
+ {
+  cBlockArea* self = (cBlockArea*)  tolua_tousertype(tolua_S,1,0);
+  int a_AddMinX = ((int)  tolua_tonumber(tolua_S,2,0));
+  int a_SubMaxX = ((int)  tolua_tonumber(tolua_S,3,0));
+  int a_AddMinY = ((int)  tolua_tonumber(tolua_S,4,0));
+  int a_SubMaxY = ((int)  tolua_tonumber(tolua_S,5,0));
+  int a_AddMinZ = ((int)  tolua_tonumber(tolua_S,6,0));
+  int a_SubMaxZ = ((int)  tolua_tonumber(tolua_S,7,0));
+#ifndef TOLUA_RELEASE
+  if (!self) tolua_error(tolua_S,"invalid 'self' in function 'Crop'", NULL);
+#endif
+  {
+   self->Crop(a_AddMinX,a_SubMaxX,a_AddMinY,a_SubMaxY,a_AddMinZ,a_SubMaxZ);
+  }
+ }
+ return 0;
+#ifndef TOLUA_RELEASE
+ tolua_lerror:
+ tolua_error(tolua_S,"#ferror in function 'Crop'.",&tolua_err);
+ return 0;
+#endif
+}
+#endif //#ifndef TOLUA_DISABLE
+
 /* method: SetRelBlockType of class  cBlockArea */
 #ifndef TOLUA_DISABLE_tolua_AllToLua_cBlockArea_SetRelBlockType00
 static int tolua_AllToLua_cBlockArea_SetRelBlockType00(lua_State* tolua_S)
@@ -21253,8 +21296,8 @@ TOLUA_API int tolua_AllToLua_open (lua_State* tolua_S)
    tolua_constant(tolua_S,"HOOK_CHUNK_AVAILABLE",cPluginManager::HOOK_CHUNK_AVAILABLE);
    tolua_constant(tolua_S,"HOOK_CHUNK_GENERATED",cPluginManager::HOOK_CHUNK_GENERATED);
    tolua_constant(tolua_S,"HOOK_CHUNK_GENERATING",cPluginManager::HOOK_CHUNK_GENERATING);
-   tolua_constant(tolua_S,"HOOK_CHUNK_UNLOADING",cPluginManager::HOOK_CHUNK_UNLOADING);
    tolua_constant(tolua_S,"HOOK_CHUNK_UNLOADED",cPluginManager::HOOK_CHUNK_UNLOADED);
+   tolua_constant(tolua_S,"HOOK_CHUNK_UNLOADING",cPluginManager::HOOK_CHUNK_UNLOADING);
    tolua_constant(tolua_S,"HOOK_COLLECTING_PICKUP",cPluginManager::HOOK_COLLECTING_PICKUP);
    tolua_constant(tolua_S,"HOOK_CRAFTING_NO_RECIPE",cPluginManager::HOOK_CRAFTING_NO_RECIPE);
    tolua_constant(tolua_S,"HOOK_DISCONNECT",cPluginManager::HOOK_DISCONNECT);
@@ -21697,6 +21740,7 @@ TOLUA_API int tolua_AllToLua_open (lua_State* tolua_S)
    tolua_function(tolua_S,"Write",tolua_AllToLua_cBlockArea_Write00);
    tolua_function(tolua_S,"Write",tolua_AllToLua_cBlockArea_Write01);
    tolua_function(tolua_S,"DumpToRawFile",tolua_AllToLua_cBlockArea_DumpToRawFile00);
+   tolua_function(tolua_S,"Crop",tolua_AllToLua_cBlockArea_Crop00);
    tolua_function(tolua_S,"SetRelBlockType",tolua_AllToLua_cBlockArea_SetRelBlockType00);
    tolua_function(tolua_S,"SetBlockType",tolua_AllToLua_cBlockArea_SetBlockType00);
    tolua_function(tolua_S,"SetRelBlockMeta",tolua_AllToLua_cBlockArea_SetRelBlockMeta00);
diff --git a/source/Bindings.h b/source/Bindings.h
index aea53fef4..afbeaeaec 100644
--- a/source/Bindings.h
+++ b/source/Bindings.h
@@ -1,6 +1,6 @@
 /*
 ** Lua binding: AllToLua
-** Generated automatically by tolua++-1.0.92 on 02/05/13 19:20:02.
+** Generated automatically by tolua++-1.0.92 on 02/06/13 17:53:01.
 */
 
 /* Exported function */
diff --git a/source/BlockArea.cpp b/source/BlockArea.cpp
index 9253b4788..4f8de925c 100644
--- a/source/BlockArea.cpp
+++ b/source/BlockArea.cpp
@@ -188,6 +188,36 @@ void cBlockArea::DumpToRawFile(const AString & a_FileName)
 

 

 

+void cBlockArea::Crop(int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ)

+{

+	if (HasBlockTypes())

+	{

+		CropBlockTypes(a_AddMinX, a_SubMaxX, a_AddMinY, a_SubMaxY, a_AddMinZ, a_SubMaxZ);

+	}

+	if (HasBlockMetas())

+	{

+		CropNibbles(m_BlockMetas, a_AddMinX, a_SubMaxX, a_AddMinY, a_SubMaxY, a_AddMinZ, a_SubMaxZ);

+	}

+	if (HasBlockLights())

+	{

+		CropNibbles(m_BlockLight, a_AddMinX, a_SubMaxX, a_AddMinY, a_SubMaxY, a_AddMinZ, a_SubMaxZ);

+	}

+	if (HasBlockSkyLights())

+	{

+		CropNibbles(m_BlockSkyLight, a_AddMinX, a_SubMaxX, a_AddMinY, a_SubMaxY, a_AddMinZ, a_SubMaxZ);

+	}

+	m_OriginX += a_AddMinX;

+	m_OriginY += a_AddMinY;

+	m_OriginZ += a_AddMinZ;

+	m_SizeX -= a_AddMinX + a_SubMaxX;

+	m_SizeY -= a_AddMinY + a_SubMaxY;

+	m_SizeZ -= a_AddMinZ + a_SubMaxZ;

+}

+

+

+

+

+

 void cBlockArea::SetRelBlockType(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType)

 {

 	if (m_BlockTypes == NULL)

@@ -459,7 +489,7 @@ bool cBlockArea::SetSize(int a_SizeX, int a_SizeY, int a_SizeZ, int a_DataTypes)
 

 int cBlockArea::MakeIndex(int a_RelX, int a_RelY, int a_RelZ) const

 {

-	return a_RelX + a_RelZ * m_SizeZ + a_RelY * m_SizeX * m_SizeZ;

+	return a_RelX + a_RelZ * m_SizeX + a_RelY * m_SizeX * m_SizeZ;

 }

 

 

@@ -718,3 +748,54 @@ void cBlockArea::cChunkReader::BlockSkyLight(const NIBBLETYPE * a_BlockSkyLight)
 

 

 

+

+void cBlockArea::CropBlockTypes(int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ)

+{

+	int NewSizeX = GetSizeX() - a_AddMinX - a_SubMaxX;

+	int NewSizeY = GetSizeY() - a_AddMinY - a_SubMaxY;

+	int NewSizeZ = GetSizeZ() - a_AddMinZ - a_SubMaxZ;

+	BLOCKTYPE * NewBlockTypes = new BLOCKTYPE[NewSizeX * NewSizeY * NewSizeZ];

+	int idx = 0;

+	for (int y = 0; y < NewSizeY; y++)

+	{

+		for (int z = 0; z < NewSizeZ; z++)

+		{

+			for (int x = 0; x < NewSizeX; x++)

+			{

+				int OldIndex = MakeIndex(x + a_AddMinX, y + a_AddMinY, z + a_AddMinZ);

+				NewBlockTypes[idx++] = m_BlockTypes[OldIndex];

+			}  // for x

+		}  // for z

+	}  // for y

+	delete m_BlockTypes;

+	m_BlockTypes = NewBlockTypes;

+}

+

+

+

+

+

+void cBlockArea::CropNibbles(NIBBLEARRAY & a_Array, int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ)

+{

+	int NewSizeX = GetSizeX() - a_AddMinX - a_SubMaxX;

+	int NewSizeY = GetSizeY() - a_AddMinY - a_SubMaxY;

+	int NewSizeZ = GetSizeZ() - a_AddMinZ - a_SubMaxZ;

+	NIBBLETYPE * NewNibbles = new NIBBLETYPE[NewSizeX * NewSizeY * NewSizeZ];

+	int idx = 0;

+	for (int y = 0; y < NewSizeY; y++)

+	{

+		for (int z = 0; z < NewSizeZ; z++)

+		{

+			for (int x = 0; x < NewSizeX; x++)

+			{

+				NewNibbles[idx++] = a_Array[MakeIndex(x + a_AddMinX, y + a_AddMinY, z + a_AddMinZ)];

+			}  // for x

+		}  // for z

+	}  // for y

+	delete a_Array;

+	a_Array = NewNibbles;

+}

+

+

+

+

diff --git a/source/BlockArea.h b/source/BlockArea.h
index d9b21d933..797c37de6 100644
--- a/source/BlockArea.h
+++ b/source/BlockArea.h
@@ -59,6 +59,9 @@ public:
 	// TODO: Write() is not too good an interface: if it fails, there's no way to repeat only for the parts that didn't write

 	// A better way may be to return a list of cBlockAreas for each part that didn't succeed writing, so that the caller may try again

 	

+	/// Crops the internal contents by the specified amount of blocks from each border.

+	void Crop(int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ);

+	

 	// Setters:

 	void SetRelBlockType    (int a_RelX,   int a_RelY,   int a_RelZ,   BLOCKTYPE  a_BlockType);

 	void SetBlockType       (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE  a_BlockType);

@@ -135,6 +138,8 @@ protected:
 		virtual void BlockSkyLight(const NIBBLETYPE * a_BlockSkyLight) override;

 	} ;

 	

+	typedef NIBBLETYPE * NIBBLEARRAY;

+	

 	

 	int m_OriginX;

 	int m_OriginY;

@@ -157,6 +162,10 @@ protected:
 	// Basic Getters:

 	NIBBLETYPE GetRelNibble(int a_RelX,   int a_RelY,   int a_RelZ,   NIBBLETYPE * a_Array) const;

 	NIBBLETYPE GetNibble   (int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE * a_Array) const;

+	

+	// Crop helpers:

+	void CropBlockTypes(int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ);

+	void CropNibbles   (NIBBLEARRAY & a_Array, int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY, int a_AddMinZ, int a_SubMaxZ);

 

 	// tolua_begin

 } ;