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author | cedeel@gmail.com <cedeel@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2012-06-14 15:06:06 +0200 |
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committer | cedeel@gmail.com <cedeel@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2012-06-14 15:06:06 +0200 |
commit | 92c59963f82f81aa3202657e7fdbb2592924ede3 (patch) | |
tree | b7eb2474528a4998fa102e3ec9119b908cee08b4 /source/cPiston.cpp | |
parent | Added HOOK_WEATHER_CHANGE. (diff) | |
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Diffstat (limited to 'source/cPiston.cpp')
-rw-r--r-- | source/cPiston.cpp | 330 |
1 files changed, 165 insertions, 165 deletions
diff --git a/source/cPiston.cpp b/source/cPiston.cpp index c89fb5077..8cf463c1b 100644 --- a/source/cPiston.cpp +++ b/source/cPiston.cpp @@ -1,165 +1,165 @@ -
-#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "cPiston.h"
-#include "cRedstone.h"
-#include "ChunkDef.h"
-#include "cPickup.h"
-#include "cBlockToPickup.h"
-#include "cItem.h"
-#include "cRoot.h"
-#include "cClientHandle.h"
-#include "cWorld.h"
-#include "BlockID.h"
-#include "packets/cPacket_BlockAction.h"
-#include "cServer.h"
-
-extern bool g_BlockPistonBreakable[];
-
-#define AddDir( 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; }
-
-
-
-
-
-cPiston::cPiston( cWorld* a_World )
- :m_World ( a_World )
-{
-
-}
-
-unsigned short cPiston::FirstPassthroughBlock( int pistonX, int pistonY, int pistonZ, char pistonmeta ) {
- unsigned short ret;
- pistonmeta &= 7;
- if(pistonmeta >= 6) { // just in case, it shouldn't happen but if it would, it'd case inf loop
- printf("cPiston::FirstPassthroughBlock - piston has invalid meta data!\n");
- return 9001;
- }
- char currBlock;
- for( ret = 0; ret < 24; ret++ ) { // push up to 24 blocks
- AddDir( pistonX, pistonY, pistonZ, pistonmeta, 1 )
- currBlock = m_World->GetBlock( pistonX, pistonY, pistonZ );
- if(currBlock == E_BLOCK_BEDROCK || currBlock == E_BLOCK_OBSIDIAN || currBlock == E_BLOCK_PISTON_EXTENSION ) {return 9001;}
- if(g_BlockPistonBreakable[currBlock]) {return ret;}
- }
- return 9001;
-}
-
-
-
-
-
-void cPiston::ExtendPiston( int pistx, int pisty, int pistz )
-{
- char pistonBlock = m_World->GetBlock( pistx, pisty, pistz );
- char pistonMeta = m_World->GetBlockMeta( pistx, pisty, pistz );
- char isSticky = (char)(pistonBlock == E_BLOCK_STICKY_PISTON) * 8;
- bool recalc = false;
- if ( (pistonMeta & 0x8) == 0x0 ) // only extend if piston is not already extended
- {
- unsigned short dist = FirstPassthroughBlock(pistx, pisty, pistz, pistonMeta);
- if (dist > 9000) return; // too many blocks
-
- AddDir( pistx, pisty, pistz, pistonMeta & 7, dist+1 )
- BLOCKTYPE currBlock = m_World->GetBlock (pistx, pisty, pistz);
- NIBBLETYPE currMeta = m_World->GetBlockMeta(pistx, pisty, pistz);
- if (currBlock != E_BLOCK_AIR)
- {
- cItems PickupItems;
- cBlockToPickup::ToPickup(currBlock, currMeta, E_ITEM_EMPTY, PickupItems);
- m_World->SpawnItemPickups(PickupItems, pistx, pisty, pistz);
- recalc = true;
- }
- int oldx = pistx, oldy = pisty, oldz = pistz;
- char currBlockMeta;
- for (int i = dist+1; i>0; i--)
- {
- AddDir( pistx, pisty, pistz, pistonMeta & 7, -1 )
- currBlock = m_World->GetBlock( pistx, pisty, pistz );
- currBlockMeta = m_World->GetBlockMeta( pistx, pisty, pistz );
- m_World->SetBlock( oldx, oldy, oldz, currBlock, currBlockMeta );
- oldx = pistx;
- oldy = pisty;
- oldz = pistz;
- }
- cPacket_BlockAction Action;
- Action.m_PosX = (int)pistx;
- Action.m_PosY = (short)pisty;
- Action.m_PosZ = (int)pistz;
- Action.m_Byte1 = 0;
- Action.m_Byte2 = pistonMeta;
-
- m_World->BroadcastToChunkOfBlock(pistx, pisty, pistz, &Action);
- m_World->FastSetBlock( pistx, pisty, pistz, pistonBlock, pistonMeta | 0x8 );
-
- int extx = pistx;
- int exty = pisty;
- int extz = pistz;
-
- AddDir( extx, exty, extz, pistonMeta&7, 1 )
-
- m_World->SetBlock( extx, exty, extz, E_BLOCK_PISTON_EXTENSION, isSticky+pistonMeta&7 );
-
- if (recalc) {
- cRedstone Redstone(m_World);
- Redstone.ChangeRedstone( extx, exty, extz, false ); //recalculate redstone around current device.
- Redstone.ChangeRedstone( pistx, pisty, pistz, false ); //recalculate redstone around current device.
- }
- }
-}
-
-
-
-
-
-void cPiston::RetractPiston( int pistx, int pisty, int pistz )
-{
- char pistonBlock = m_World->GetBlock( pistx, pisty, pistz );
- char pistonMeta = m_World->GetBlockMeta( pistx, pisty, pistz );
- if (pistonMeta <= 6) // only retract if piston is not already retracted
- {
- return;
- }
-
- //send blockaction packet
- cPacket_BlockAction Action;
- Action.m_PosX = (int)pistx;
- Action.m_PosY = (short)pisty;
- Action.m_PosZ = (int)pistz;
- Action.m_Byte1 = 1;
- Action.m_Byte2 = pistonMeta & ~(8);
- m_World->BroadcastToChunkOfBlock(pistx, pisty, pistz, &Action );
- m_World->FastSetBlock( pistx, pisty, pistz, pistonBlock, pistonMeta & ~(8) );
-
- AddDir( pistx, pisty, pistz, pistonMeta & 7, 1 )
- if ( m_World->GetBlock( pistx, pisty, pistz ) == E_BLOCK_PISTON_EXTENSION )
- {
- if ( pistonBlock == E_BLOCK_STICKY_PISTON )
- {
- int tempx = pistx, tempy = pisty, tempz = pistz;
- AddDir( tempx, tempy, tempz, pistonMeta & 7, 1 )
- char tempblock = m_World->GetBlock( tempx, tempy, tempz );
- if (
- (tempblock == E_BLOCK_OBSIDIAN) ||
- (tempblock == E_BLOCK_BEDROCK) ||
- (tempblock == E_BLOCK_PISTON_EXTENSION)
- )
- {
- // These cannot be moved by the sticky piston, bail out
- return;
- }
- m_World->SetBlock( pistx, pisty, pistz, tempblock, m_World->GetBlockMeta( tempx, tempy, tempz ) );
- m_World->SetBlock( tempx, tempy, tempz, E_BLOCK_AIR, 0 );
- }
- else
- {
- m_World->SetBlock( pistx, pisty, pistz, E_BLOCK_AIR, 0 );
- }
- }
-}
-
-
-
-
+ +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#include "cPiston.h" +#include "cRedstone.h" +#include "ChunkDef.h" +#include "cPickup.h" +#include "cBlockToPickup.h" +#include "cItem.h" +#include "cRoot.h" +#include "cClientHandle.h" +#include "cWorld.h" +#include "BlockID.h" +#include "packets/cPacket_BlockAction.h" +#include "cServer.h" + +extern bool g_BlockPistonBreakable[]; + +#define AddDir( 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; } + + + + + +cPiston::cPiston( cWorld* a_World ) + :m_World ( a_World ) +{ + +} + +unsigned short cPiston::FirstPassthroughBlock( int pistonX, int pistonY, int pistonZ, char pistonmeta ) { + unsigned short ret; + pistonmeta &= 7; + if(pistonmeta >= 6) { // just in case, it shouldn't happen but if it would, it'd case inf loop + printf("cPiston::FirstPassthroughBlock - piston has invalid meta data!\n"); + return 9001; + } + char currBlock; + for( ret = 0; ret < 24; ret++ ) { // push up to 24 blocks + AddDir( pistonX, pistonY, pistonZ, pistonmeta, 1 ) + currBlock = m_World->GetBlock( pistonX, pistonY, pistonZ ); + if(currBlock == E_BLOCK_BEDROCK || currBlock == E_BLOCK_OBSIDIAN || currBlock == E_BLOCK_PISTON_EXTENSION ) {return 9001;} + if(g_BlockPistonBreakable[currBlock]) {return ret;} + } + return 9001; +} + + + + + +void cPiston::ExtendPiston( int pistx, int pisty, int pistz ) +{ + char pistonBlock = m_World->GetBlock( pistx, pisty, pistz ); + char pistonMeta = m_World->GetBlockMeta( pistx, pisty, pistz ); + char isSticky = (char)(pistonBlock == E_BLOCK_STICKY_PISTON) * 8; + bool recalc = false; + if ( (pistonMeta & 0x8) == 0x0 ) // only extend if piston is not already extended + { + unsigned short dist = FirstPassthroughBlock(pistx, pisty, pistz, pistonMeta); + if (dist > 9000) return; // too many blocks + + AddDir( pistx, pisty, pistz, pistonMeta & 7, dist+1 ) + BLOCKTYPE currBlock = m_World->GetBlock (pistx, pisty, pistz); + NIBBLETYPE currMeta = m_World->GetBlockMeta(pistx, pisty, pistz); + if (currBlock != E_BLOCK_AIR) + { + cItems PickupItems; + cBlockToPickup::ToPickup(currBlock, currMeta, E_ITEM_EMPTY, PickupItems); + m_World->SpawnItemPickups(PickupItems, pistx, pisty, pistz); + recalc = true; + } + int oldx = pistx, oldy = pisty, oldz = pistz; + char currBlockMeta; + for (int i = dist+1; i>0; i--) + { + AddDir( pistx, pisty, pistz, pistonMeta & 7, -1 ) + currBlock = m_World->GetBlock( pistx, pisty, pistz ); + currBlockMeta = m_World->GetBlockMeta( pistx, pisty, pistz ); + m_World->SetBlock( oldx, oldy, oldz, currBlock, currBlockMeta ); + oldx = pistx; + oldy = pisty; + oldz = pistz; + } + cPacket_BlockAction Action; + Action.m_PosX = (int)pistx; + Action.m_PosY = (short)pisty; + Action.m_PosZ = (int)pistz; + Action.m_Byte1 = 0; + Action.m_Byte2 = pistonMeta; + + m_World->BroadcastToChunkOfBlock(pistx, pisty, pistz, &Action); + m_World->FastSetBlock( pistx, pisty, pistz, pistonBlock, pistonMeta | 0x8 ); + + int extx = pistx; + int exty = pisty; + int extz = pistz; + + AddDir( extx, exty, extz, pistonMeta&7, 1 ) + + m_World->SetBlock( extx, exty, extz, E_BLOCK_PISTON_EXTENSION, isSticky+pistonMeta&7 ); + + if (recalc) { + cRedstone Redstone(m_World); + Redstone.ChangeRedstone( extx, exty, extz, false ); //recalculate redstone around current device. + Redstone.ChangeRedstone( pistx, pisty, pistz, false ); //recalculate redstone around current device. + } + } +} + + + + + +void cPiston::RetractPiston( int pistx, int pisty, int pistz ) +{ + char pistonBlock = m_World->GetBlock( pistx, pisty, pistz ); + char pistonMeta = m_World->GetBlockMeta( pistx, pisty, pistz ); + if (pistonMeta <= 6) // only retract if piston is not already retracted + { + return; + } + + //send blockaction packet + cPacket_BlockAction Action; + Action.m_PosX = (int)pistx; + Action.m_PosY = (short)pisty; + Action.m_PosZ = (int)pistz; + Action.m_Byte1 = 1; + Action.m_Byte2 = pistonMeta & ~(8); + m_World->BroadcastToChunkOfBlock(pistx, pisty, pistz, &Action ); + m_World->FastSetBlock( pistx, pisty, pistz, pistonBlock, pistonMeta & ~(8) ); + + AddDir( pistx, pisty, pistz, pistonMeta & 7, 1 ) + if ( m_World->GetBlock( pistx, pisty, pistz ) == E_BLOCK_PISTON_EXTENSION ) + { + if ( pistonBlock == E_BLOCK_STICKY_PISTON ) + { + int tempx = pistx, tempy = pisty, tempz = pistz; + AddDir( tempx, tempy, tempz, pistonMeta & 7, 1 ) + char tempblock = m_World->GetBlock( tempx, tempy, tempz ); + if ( + (tempblock == E_BLOCK_OBSIDIAN) || + (tempblock == E_BLOCK_BEDROCK) || + (tempblock == E_BLOCK_PISTON_EXTENSION) + ) + { + // These cannot be moved by the sticky piston, bail out + return; + } + m_World->SetBlock( pistx, pisty, pistz, tempblock, m_World->GetBlockMeta( tempx, tempy, tempz ) ); + m_World->SetBlock( tempx, tempy, tempz, E_BLOCK_AIR, 0 ); + } + else + { + m_World->SetBlock( pistx, pisty, pistz, E_BLOCK_AIR, 0 ); + } + } +} + + + + |