6 files changed, 372 insertions, 18 deletions

diff --git a/makefile b/makefile
index d94859fff..5f0ea966f 100644
--- a/makefile
+++ b/makefile
@@ -91,6 +91,7 @@ MCServer : \
 		build/cLog.o\
 		build/cMonster.o\
 		build/cRedstone.o\
+		build/cPiston.o\
 		build/cPawn.o\
 		build/cPickup.o\
 		build/cPlayer.o\
@@ -277,6 +278,7 @@ MCServer : \
 		build/cLog.o\
 		build/cMonster.o\
 		build/cRedstone.o\
+		build/cPiston.o\
 		build/cPawn.o\
 		build/cPickup.o\
 		build/cPlayer.o\
@@ -466,6 +468,7 @@ clean :
 		build/cLog.o\
 		build/cMonster.o\
 		build/cRedstone.o\
+		build/cPiston.o\
 		build/cPawn.o\
 		build/cPickup.o\
 		build/cPlayer.o\
@@ -729,6 +732,11 @@ build/cRedstone.o : source/cRedstone.cpp
 	$(CC) $(CC_OPTIONS) source/cRedstone.cpp -c $(INCLUDE) -o build/cRedstone.o
 
 
+# Item # 23 -- cPiston --
+build/cPiston.o : source/cPiston.cpp
+	$(CC) $(CC_OPTIONS) source/cPiston.cpp -c $(INCLUDE) -o build/cPiston.o
+
+
 # Item # 25 -- cPawn --
 build/cPawn.o : source/cPawn.cpp
 	$(CC) $(CC_OPTIONS) source/cPawn.cpp -c $(INCLUDE) -o build/cPawn.o
diff --git a/source/BlockID.h b/source/BlockID.h
index 43451569d..01a491555 100644
--- a/source/BlockID.h
+++ b/source/BlockID.h
@@ -24,7 +24,22 @@ enum ENUM_BLOCK_ID
 	E_BLOCK_LEAVES = 18,

 	E_BLOCK_SPONGE = 19,

 	E_BLOCK_GLASS = 20,

+	E_BLOCK_LAPIS_ORE = 21,

+	E_BLOCK_LAPIS_BLOCK = 22,

+	E_BLOCK_DISPENSER = 23,

+	E_BLOCK_SANDSTONE = 24,

+	E_BLOCK_NOTE_BLOCK = 25,

+	E_BLOCK_BED = 26,

+	E_BLOCK_POWERED_RAIL = 27,

+	E_BLOCK_DETECTOR_RAIL = 28,

+	E_BLOCK_STICKY_PISTON = 29,

+	E_BLOCK_COBWEB = 30,

+	E_BLOCK_TALL_GRASS = 31,

+	E_BLOCK_DEAD_BRUSH = 32,

+	E_BLOCK_PISTON = 33,

+	E_BLOCK_PISTON_EXTENSION = 34,

 	E_BLOCK_WHITE_CLOTH = 35,

+	E_BLOCK_PISTON_MOVED_BLOCK = 36,

 	E_BLOCK_YELLOW_FLOWER = 37,

 	E_BLOCK_RED_ROSE = 38,

 	E_BLOCK_BROWN_MUSHROOM = 39,

@@ -65,14 +80,16 @@ enum ENUM_BLOCK_ID
 	E_BLOCK_REDSTONE_ORE_GLOWING = 74,

 	E_BLOCK_REDSTONE_TORCH_ON = 75,

 	E_BLOCK_REDSTONE_TORCH_OFF = 76,

-

+	E_BLOCK_STONE_BUTTON = 77,

 	E_BLOCK_SNOW = 78,

 	E_BLOCK_ICE = 79,

 	E_BLOCK_SNOW_BLOCK = 80,

 	E_BLOCK_CACTUS = 81,

 	E_BLOCK_CLAY = 82,

 	E_BLOCK_REEDS = 83,

-

+	E_BLOCK_JUKEBOX = 84,

+	E_BLOCK_FENCE = 85,

+	E_BLOCK_PUMPKIN = 86,

 	E_BLOCK_BLOODSTONE = 87,

 	E_BLOCK_SOULSAND = 88,

 	E_BLOCK_GLOWSTONE = 89,

@@ -83,6 +100,32 @@ enum ENUM_BLOCK_ID
 	E_BLOCK_REDSTONE_REPEATER_ON = 94,

 	E_BLOCK_LOCKED_CHEST = 95,

 	E_BLOCK_TRAPDOOR = 96,

+	E_BLOCK_SILVERFISH_EGG = 97,

+	E_BLOCK_STONE_BRICKS = 98,

+	E_BLOCK_HUGE_BROWN_MUSHROOM = 99,

+	E_BLOCK_HUGE_RED_MUSHROOM = 100,

+	E_BLOCK_IRON_BAR = 101,

+	E_BLOCK_GLASS_PLANE = 102,

+	E_BLOCK_MELON = 103,

+	E_BLOCK_PUMPKIN_STEM = 104,

+	E_BLOCK_MELON_STEM = 105,

+	E_BLOCK_VINES = 106,

+	E_BLOCK_FENCE_GATE = 107,

+	E_BLOCK_BRICK_STAIRS = 108,

+	E_BLOCK_STONE_BRICK_STAIRS = 109,

+	E_BLOCK_MYCELIUM = 110,

+	E_BLOCK_LILY_PAD = 111,

+	E_BLOCK_NETHER_BRICK = 112,

+	E_BLOCK_NETHER_BRICK_FENCE = 113,

+	E_BLOCK_NETHER_BRICK_STAIRS = 114,

+	E_BLOCK_NETHER_WART = 115,

+	E_BLOCK_ENCHANTMENT_TABLE = 116,

+	E_BLOCK_BREWING_STAND = 117,

+	E_BLOCK_CAULDRON = 118,

+	E_BLOCK_END_PORTAL = 119,

+	E_BLOCK_END_PORTAL_FRAME = 120,

+	E_BLOCK_END_STONE = 121,

+	E_BLOCK_ = 121,

 };

 //tolua_end

 

@@ -90,9 +133,9 @@ enum ENUM_BLOCK_ID
 enum ENUM_ITEM_ID

 {

 	E_ITEM_EMPTY	= -1,

-	E_ITEM_STONE	= 1,

-	E_ITEM_GRASS	= 2,

-	E_ITEM_DIRT		= 3,

+	E_ITEM_STONE = 1,

+	E_ITEM_GRASS = 2,

+	E_ITEM_DIRT	= 3,

 	E_ITEM_COBBLESTONE = 4,

 	E_ITEM_WOOD = 5,

 	E_ITEM_SAPLING = 6,

@@ -108,9 +151,112 @@ enum ENUM_ITEM_ID
 	E_ITEM_COAL_ORE = 16,

 	E_ITEM_LOG = 17,

 	E_ITEM_LEAVES = 18,

+	E_ITEM_SPONGE = 19,

+	E_ITEM_GLASS = 20,

+	E_ITEM_LAPIS_ORE = 21,

+	E_ITEM_LAPIS_BLOCK = 22,

+	E_ITEM_DISPENSER = 23,

+	E_ITEM_SANDSTONE = 24,

+	E_ITEM_NOTE_ITEM = 25,

+

+	E_ITEM_POWERED_RAIL = 27,

+	E_ITEM_DETECTOR_RAIL = 28,

+	E_ITEM_STICKY_PISTON = 29,

+	E_ITEM_COBWEB = 30,

+	E_ITEM_TALL_GRASS = 31,

+	E_ITEM_DEAD_BRUSH = 32,

+	E_ITEM_PISTON = 33,

+	E_ITEM_PISTON_EXTENSION = 34,

+	E_ITEM_WHITE_CLOTH = 35,

+	E_ITEM_PISTON_MOVED_BLOCK = 36,

+	E_ITEM_YELLOW_FLOWER = 37,

+	E_ITEM_RED_ROSE = 38,

+	E_ITEM_BROWN_MUSHROOM = 39,

+	E_ITEM_RED_MUSHROOM = 40,

 	E_ITEM_GOLD_BLOCK = 41,

 	E_ITEM_IRON_BLOCK = 42,

+	E_ITEM_DOUBLE_STEP = 43,

+	E_ITEM_STEP = 44,

+	E_ITEM_BRICK = 45,

+	E_ITEM_TNT = 46,

+	E_ITEM_BOOKCASE = 47,

+	E_ITEM_MOSSY_COBBLESTONE = 48,

+	E_ITEM_OBSIDIAN = 49,

+	E_ITEM_TORCH = 50,

+	E_ITEM_FIRE = 51,

+	E_ITEM_MOB_SPAWNER = 52,

+	E_ITEM_WOODEN_STAIRS = 53,

+	E_ITEM_CHEST = 54,

+	E_ITEM_REDSTONE_WIRE = 55,

+	E_ITEM_DIAMOND_ORE = 56,

 	E_ITEM_DIAMOND_BLOCK = 57,

+	E_ITEM_WORKBENCH = 58,

+	E_ITEM_CROPS = 59,

+	E_ITEM_SOIL = 60,

+	E_ITEM_FURNACE = 61,

+	E_ITEM_BURNING_FURNACE = 62,

+	E_ITEM_SIGN_POST = 63,

+

+	E_ITEM_LADDER = 65,

+	E_ITEM_MINECART_TRACKS = 66,

+	E_ITEM_COBBLESTONE_STAIRS = 67,

+	E_ITEM_WALLSIGN = 68,

+	E_ITEM_LEVER = 69,

+	E_ITEM_STONE_PRESSURE_PLATE = 70,

+

+	E_ITEM_WOODEN_PRESSURE_PLATE = 72,

+	E_ITEM_REDSTONE_ORE = 73,

+	E_ITEM_REDSTONE_ORE_GLOWING = 74,

+	E_ITEM_REDSTONE_TORCH_ON = 75,

+	E_ITEM_REDSTONE_TORCH_OFF = 76,

+	E_ITEM_STONE_BUTTON = 77,

+	E_ITEM_SNOW = 78,

+	E_ITEM_ICE = 79,

+	E_ITEM_SNOW_BLOCK = 80,

+	E_ITEM_CACTUS = 81,

+

+	E_ITEM_REEDS = 83,

+	E_ITEM_JUKEBOX = 84,

+	E_ITEM_FENCE = 85,

+	E_ITEM_PUMPKIN = 86,

+	E_ITEM_BLOODSTONE = 87,

+	E_ITEM_SOULSAND = 88,

+	E_ITEM_GLOWSTONE = 89,

+	E_ITEM_PORT = 90,

+	E_ITEM_JACK_O_LANTERN = 91,

+

+	E_ITEM_REDSTONE_REPEATER_OFF = 93,

+	E_ITEM_REDSTONE_REPEATER_ON = 94,

+	E_ITEM_LOCKED_CHEST = 95,

+	E_ITEM_TRAPDOOR = 96,

+	E_ITEM_SILVERFISH_EGG = 97,

+	E_ITEM_STONE_BRICKS = 98,

+	E_ITEM_HUGE_BROWN_MUSHROOM = 99,

+	E_ITEM_HUGE_RED_MUSHROOM = 100,

+	E_ITEM_IRON_BAR = 101,

+	E_ITEM_GLASS_PLANE = 102,

+	E_ITEM_MELON = 103,

+	E_ITEM_PUMPKIN_STEM = 104,

+	E_ITEM_MELON_STEM = 105,

+	E_ITEM_VINES = 106,

+	E_ITEM_FENCE_GATE = 107,

+	E_ITEM_BRICK_STAIRS = 108,

+	E_ITEM_STONE_BRICK_STAIRS = 109,

+	E_ITEM_MYCELIUM = 110,

+	E_ITEM_LILY_PAD = 111,

+	E_ITEM_NETHER_BRICK = 112,

+	E_ITEM_NETHER_BRICK_FENCE = 113,

+	E_ITEM_NETHER_BRICK_STAIRS = 114,

+

+	E_ITEM_ENCHANTMENT_TABLE = 116,

+

+	E_ITEM_END_PORTAL = 119,

+	E_ITEM_END_PORTAL_FRAME = 120,

+	E_ITEM_END_STONE = 121,

+

+	E_ITEM_IRON_SHOVEL = 256,

+	E_ITEM_IRON_PICKAXE = 257,

+	E_ITEM_IRON_AXE = 258,

 	E_ITEM_FLINT_AND_STEEL = 259,

 	E_ITEM_APPLE = 260,

 	E_ITEM_BOW = 261,

@@ -119,7 +265,21 @@ enum ENUM_ITEM_ID
 	E_ITEM_DIAMOND = 264,

 	E_ITEM_IRON = 265,

 	E_ITEM_GOLD = 266,

-

+	E_ITEM_IRON_SWORD = 267,

+	E_ITEM_WOODEN_SWORD = 268,

+	E_ITEM_WOODEN_SHOVEL = 269,

+	E_ITEM_WOODEN_PICKAXE = 270,

+	E_ITEM_WOODEN_AXE = 271,

+	E_ITEM_STONE_SWORD = 272,

+	E_ITEM_STONE_SHOVEL = 273,

+	E_ITEM_STONE_PICKAXE = 274,

+	E_ITEM_STONE_AXE = 275,

+	E_ITEM_DIAMOND_SWORD = 276,

+	E_ITEM_DIAMOND_SHOVEL = 277,

+	E_ITEM_DIAMOND_PICKAXE = 278,

+	E_ITEM_DIAMOND_AXE = 279,

+	E_ITEM_STICK = 280,

+	E_ITEM_BOWL = 281,

 	E_ITEM_MUSHROOM_SOUP = 282,

 	E_ITEM_GOLD_SWORD = 283,

 	E_ITEM_GOLD_SHOVEL = 284,

@@ -127,19 +287,61 @@ enum ENUM_ITEM_ID
 	E_ITEM_GOLD_AXE = 286,

 	E_ITEM_STRING = 287,

 	E_ITEM_FEATHER = 288,

-

+	E_ITEM_GUNPOWDER = 289,

+	E_ITEM_WOODEN_HOE = 290,

+	E_ITEM_STONE_HOE = 291,

+	E_ITEM_IRON_HOE = 292,

+	E_ITEM_DIAMOND_HOE = 293,

+	E_ITEM_GOLD_HOE = 294,

+	E_ITEM_SEEDS = 295,

+	E_ITEM_WHEAT = 296,

 	E_ITEM_BREAD = 297,

-

+	E_ITEM_LEATHER_CAP = 298,

+	E_ITEM_LEATHER_TUNIC = 299,

+	E_ITEM_LEATHER_PANTS = 300,

+	E_ITEM_LEATHER_BOOTS = 301,

+	E_ITEM_CHAIN_HELMET = 302,

+	E_ITEM_CHAIN_CHESTPLATE = 303,

+	E_ITEM_CHAIN_LEGGINGS = 304,

+	E_ITEM_CHAIN_BOOTS = 305,

+	E_ITEM_IRON_HELMET = 306,

+	E_ITEM_IRON_CHESTPLATE = 307,

+	E_ITEM_IRON_LEGGINGS = 308,

+	E_ITEM_IRON_BOOTS = 309,

+	E_ITEM_DIAMOND_HELMET = 310,

+	E_ITEM_DIAMOND_CHESTPLATE = 311,

+	E_ITEM_DIAMOND_LEGGINGS = 312,

+	E_ITEM_DIAMOND_BOOTS = 313,

+	E_ITEM_GOLD_HELMET = 314,

+	E_ITEM_GOLD_CHESTPLATE = 315,

+	E_ITEM_GOLD_LEGGINGS = 316,

+	E_ITEM_GOLD_BOOTS = 317,

+	E_ITEM_FLINT = 318,

 	E_ITEM_RAW_MEAT = 319,

 	E_ITEM_COOKED_MEAT = 320,

-

+	E_ITEM_PAINTINGS = 321,

 	E_ITEM_GOLDEN_APPLE = 322,

 	E_ITEM_SIGN = 323,

-

+	E_ITEM_WOODEN_DOOR = 324,

+	E_ITEM_BUCKET = 325,

+	E_ITEM_WATER_BUCKET = 326,

+	E_ITEM_LAVA_BUCKET = 327,

+	E_ITEM_MINECART = 328,

+	E_ITEM_SADDLE = 329,

+	E_ITEM_IRON_DOOR = 330,

 	E_ITEM_REDSTONE_DUST = 331,

-

+	E_ITEM_SNOWBALL = 332,

+	E_ITEM_BOAT = 333,

+	E_ITEM_LEATHER = 334,

 	E_ITEM_MILK = 335,

-

+	E_ITEM_CLAY_BRICK = 336,

+	E_ITEM_CLAY = 337,

+	E_ITEM_SUGAR_CANE = 338,

+	E_ITEM_PAPER = 339,

+	E_ITEM_BOOK = 340,

+	E_ITEM_SLIMEBALL = 341,

+	E_ITEM_CHEST_MINECART = 342,

+	E_ITEM_FURNACE_MINECART = 343,

 	E_ITEM_EGG = 344,

 	E_ITEM_COMPASS = 345,

 	E_ITEM_FISHING_ROD = 346,

@@ -147,8 +349,49 @@ enum ENUM_ITEM_ID
 	E_ITEM_GLOWSTONE_DUST = 348,

 	E_ITEM_RAW_FISH = 349,

 	E_ITEM_COOKED_FISH = 350,

-

+	E_ITEM_DYE = 351,

+	E_ITEM_BONE = 352,

+	E_ITEM_SUGAR = 353,

 	E_ITEM_CAKE = 354,

+	E_ITEM_BED = 355,

 	E_ITEM_REDSTONE_REPEATER = 356,

+	E_ITEM_COOKIE = 357,

+	E_ITEM_MAP = 358,

+	E_ITEM_SHEARS = 359,

+	E_ITEM_MELON_SLICES = 360,

+	E_ITEM_PUMPKIN_SEEDS = 361,

+	E_ITEM_MELON_SEEDS = 362,

+	E_ITEM_RAW_BEEF = 363,

+	E_ITEM_STEAK = 364,

+	E_ITEM_RAW_CHICKEN = 365,

+	E_ITEM_COOKED_CHICKEN = 366,

+	E_ITEM_ROTTEN_FLESH = 367,

+	E_ITEM_ENDER_PEARL = 368,

+	E_ITEM_BLAZE_ROD = 369,

+	E_ITEM_GHAST_TEAR = 370,

+	E_ITEM_GOLD_NUGGET = 371,

+	E_ITEM_NETHER_WART = 372,

+	E_ITEM_POTIONS = 373,

+	E_ITEM_GLASS_BOTTLE = 374,

+	E_ITEM_SPIDER_EYE = 375,

+	E_ITEM_FERMENTED_SPIDER_EYE = 376,

+	E_ITEM_BLAZE_POWDER = 377,

+	E_ITEM_MAGMA_CREAM = 378,

+	E_ITEM_BREWING_STAND = 379,

+	E_ITEM_CAULDRON = 380,

+	E_ITEM_EYE_OF_ENDER = 381,

+	E_ITEM_GLISTERING_MELON = 382,

+

+	E_ITEM_13_DISC = 2256,

+	E_ITEM_CAT_DISC = 2257,

+	E_ITEM_BLOCKS_DISC = 2258,

+	E_ITEM_CHIRP_DISC = 2259,

+	E_ITEM_FAR_DISC = 2260,

+	E_ITEM_MALL_DISC = 2261,

+	E_ITEM_MELLOHI_DISC = 2262,

+	E_ITEM_STAL_DISC = 2263,

+	E_ITEM_STRAD_DISC = 2264,

+	E_ITEM_WARD_DISC = 2265,

+	E_ITEM_11_DISC = 2266,

 };

 //tolua_end

diff --git a/source/Defines.h b/source/Defines.h
index 1b176208c..e40da0420 100644
--- a/source/Defines.h
+++ b/source/Defines.h
@@ -18,9 +18,9 @@ extern bool g_BlockOneHitDig[];
 inline bool IsValidBlock( int a_BlockID )	//tolua_export

 {											//tolua_export

 	if( a_BlockID > -1 &&

-		a_BlockID <= 96 && 

-		a_BlockID != 29 && 

-		a_BlockID != 33 &&

+		a_BlockID <= 121 && //items to 109 are valid for 1.8.1.. 1.9.5 is up to 121

+		//a_BlockID != 29 && allow pistons

+		//a_BlockID != 33 && allow pistons

 		a_BlockID != 34 &&

 		a_BlockID != 36 )

 	{

diff --git a/source/cClientHandle.cpp b/source/cClientHandle.cpp
index 003f23f55..2238a3df0 100644
--- a/source/cClientHandle.cpp
+++ b/source/cClientHandle.cpp
@@ -17,6 +17,7 @@
 #include "cLadder.h"

 #include "cSign.h"

 #include "cRedstone.h"

+#include "cPiston.h"

 #include "cBlockToPickup.h"

 #include "cMonster.h"

 #include "cChatColor.h"

@@ -487,7 +488,6 @@ void cClientHandle::HandlePacket( cPacket* a_Packet )
 			break;

 		case E_BLOCK_DIG:

 			{

-

 				//LOG("TimeP: %f", m_Player->GetLastBlockActionTime() );

 				//LOG("TimeN: %f", cRoot::Get()->GetWorld()->GetTime() );

 				if ( cRoot::Get()->GetWorld()->GetTime() - m_Player->GetLastBlockActionTime() < 0.1 ) { //only allow block interactions every 0.1 seconds

@@ -788,7 +788,14 @@ void cClientHandle::HandlePacket( cPacket* a_Packet )
 						MetaData = cRedstone::RepeaterRotationToMetaData( m_Player->GetRotation() );

 						PacketData->m_ItemType = E_BLOCK_REDSTONE_REPEATER_OFF;

 						break;

+					case E_BLOCK_PISTON:

+					case E_BLOCK_STICKY_PISTON:

+						MetaData = cPiston::RotationPitchToMetaData( m_Player->GetRotation(), m_Player->GetPitch() );

+						break;

 					case E_BLOCK_COBBLESTONE_STAIRS:

+					case E_BLOCK_BRICK_STAIRS:

+					case E_BLOCK_STONE_BRICK_STAIRS:

+					case E_BLOCK_NETHER_BRICK_STAIRS:

 					case E_BLOCK_WOODEN_STAIRS:

 						MetaData = cStairs::RotationToMetaData( m_Player->GetRotation() );

 						break;

@@ -1045,9 +1052,10 @@ void cClientHandle::Tick(float a_Dt)
 		Send( cPacket_UpdateHealth( (short)m_Player->GetHealth() ) );

 

 		//quick bugfix to prevent players from spawning in ground

-                m_Player->TeleportTo( m_Player->GetPosX(), m_Player->GetPosY()+1, m_Player->GetPosZ() );

+                //m_Player->TeleportTo( m_Player->GetPosX(), m_Player->GetPosY()+1, m_Player->GetPosZ() );

 

 		World->UnlockEntities();

+		m_Player->TeleportTo( m_Player->GetPosX(), m_Player->GetPosY()+1, m_Player->GetPosZ() );

 	}

 }

 

diff --git a/source/cPiston.cpp b/source/cPiston.cpp
new file mode 100644
index 000000000..966c96c5b
--- /dev/null
+++ b/source/cPiston.cpp
@@ -0,0 +1,50 @@
+#include "cPiston.h"

+#include "cRoot.h"

+#include "cWorld.h"

+#include "BlockID.h"

+

+cPiston::cPiston( cWorld* a_World )

+	:m_World ( a_World )

+{

+

+}

+//Todo: All piston stuff below.

+void cPiston::ExtendPiston( int pistx, int pisty, int pistz )

+{

+	cWorld* World = cRoot::Get()->GetWorld();

+	char metadata = World->GetBlockMeta( pistx, pisty, pistz);

+

+

+	if ( ( (int)World->GetBlock( pistx, pisty, pistz ) == E_BLOCK_STICKY_PISTON ) || ( (int)World->GetBlock( pistx, pisty, pistz ) == E_BLOCK_PISTON ) ) {

+		//find direction piston is facing base on meta.

+		//verify piston is not already extended.

+		//check all 16 blocks in front of it for the first  airblock

+		//if there's and air block move those found blocks by 1 and insert E_BLOCK_PISTON_EXTENSION in the spot infront of the piston facing right direction

+

+	}

+

+}

+

+void cPiston::RetractPiston( int pistx, int pisty, int pistz )

+{

+	cWorld* World = cRoot::Get()->GetWorld();

+	char metadata = World->GetBlockMeta( pistx, pisty, pistz);

+

+	if ( (int)World->GetBlock( pistx, pisty, pistz ) == E_BLOCK_PISTON ) {

+                //find direction piston is facing base on meta.

+                //verify piston is extended.

+		//check block in front to see if it's an E_BLOCK_PISTON_EXTENSION

+		//delete that block

+		//set piston meta to unextended

+        }

+

+        if ( (int)World->GetBlock( pistx, pisty, pistz ) == E_BLOCK_STICKY_PISTON ) {

+                //find direction piston is facing base on meta.

+                //verify piston is extended.

+                //check block in front to see if it's an E_BLOCK_PISTON_EXTENSION

+                //delete that block

+		//move block one more in front of it to postion E_BLOCK_PISTON_EXTENSION was facing.

+                //set piston meta to unextended

+        }

+

+}

diff --git a/source/cPiston.h b/source/cPiston.h
new file mode 100644
index 000000000..46d7d2b20
--- /dev/null
+++ b/source/cPiston.h
@@ -0,0 +1,45 @@
+#pragma once

+#include <cstdio>

+class cWorld;

+class cPiston

+{

+public:

+

+cPiston( cWorld* a_World );

+

+static char RotationPitchToMetaData( float a_Rotation, float a_Pitch )

+{

+	//if pitch higher than this value set up

+	//else if pitch lower than this value set down,

+	//else just do rotation:

+	std::printf("pre:a_Rotation %f \n",a_Rotation);

+        std::printf("a_Pitch %f \n",a_Pitch);

+

+	if (a_Pitch >= 50.f ){

+		return 0x1;

+	} else if ( a_Pitch <= -50.f ) {

+		return 0x0;

+	} else {

+

+	        a_Rotation += 90 + 45; // So its not aligned with axis

+		std::printf("a_Rotation %f \n",a_Rotation);

+

+	        if( a_Rotation > 360.f ) a_Rotation -= 360.f;

+	        if( a_Rotation >= 0.f && a_Rotation < 90.f )

+	                return 0x4;

+	        else if( a_Rotation >= 180 && a_Rotation < 270 )

+	                return 0x5;

+	        else if( a_Rotation >= 90 && a_Rotation < 180 )

+	                return 0x2;

+	        else

+	                return 0x3;

+	}

+}

+

+

+void ExtendPiston( int, int, int );

+void RetractPiston( int, int, int );

+

+cWorld* m_World;

+

+};