1 files changed, 102 insertions, 0 deletions

diff --git a/src/Blocks/BlockPiston.cpp b/src/Blocks/BlockPiston.cpp
new file mode 100644
index 000000000..d5750ebdd
--- /dev/null
+++ b/src/Blocks/BlockPiston.cpp
@@ -0,0 +1,102 @@
+
+#include "Globals.h"
+#include "BlockPiston.h"
+#include "../Item.h"
+#include "../World.h"
+#include "../Entities/Player.h"
+#include "../Piston.h"
+
+
+
+
+
+#define AddPistonDir(x, y, z, dir, amount) \
+	switch (dir) \
+	{ \
+		case 0: (y) -= (amount); break; \
+		case 1: (y) += (amount); break; \
+		case 2: (z) -= (amount); break; \
+		case 3: (z) += (amount); break; \
+		case 4: (x) -= (amount); break; \
+		case 5: (x) += (amount); break; \
+	}
+
+
+
+
+cBlockPistonHandler::cBlockPistonHandler(BLOCKTYPE a_BlockType)
+	: cBlockHandler(a_BlockType)
+{
+}
+
+
+
+
+
+void cBlockPistonHandler::OnDestroyed(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+	NIBBLETYPE OldMeta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+
+	int newX = a_BlockX;
+	int newY = a_BlockY;
+	int newZ = a_BlockZ;
+	AddPistonDir(newX, newY, newZ, OldMeta & ~(8), 1);
+
+	if (a_World->GetBlock(newX, newY, newZ) == E_BLOCK_PISTON_EXTENSION)
+	{
+		a_World->SetBlock(newX, newY, newZ, E_BLOCK_AIR, 0);
+	}
+}
+
+
+
+
+
+bool cBlockPistonHandler::GetPlacementBlockTypeMeta(
+	cWorld * a_World, cPlayer * a_Player,
+	int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, 
+	int a_CursorX, int a_CursorY, int a_CursorZ,
+	BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta
+)
+{
+	a_BlockType = m_BlockType;
+	a_BlockMeta = cPiston::RotationPitchToMetaData(a_Player->GetRotation(), a_Player->GetPitch());
+	return true;
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cBlockPistonHeadHandler:
+
+cBlockPistonHeadHandler::cBlockPistonHeadHandler(void) :
+	super(E_BLOCK_PISTON_EXTENSION)
+{
+}
+
+
+
+
+
+void cBlockPistonHeadHandler::OnDestroyedByPlayer(cWorld * a_World, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+	NIBBLETYPE OldMeta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+
+	int newX = a_BlockX;
+	int newY = a_BlockY;
+	int newZ = a_BlockZ;
+	AddPistonDir(newX, newY, newZ, OldMeta & ~(8), -1);
+
+	BLOCKTYPE Block = a_World->GetBlock(newX, newY, newZ);
+	if ((Block == E_BLOCK_STICKY_PISTON) || (Block == E_BLOCK_PISTON))
+	{
+		a_World->DigBlock(newX, newY, newZ);
+	}
+}
+
+
+
+
+