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-rw-r--r--source/cPiston.cpp330
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 );
+ }
+ }
+}
+
+
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 23:47:17 +0200