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-rw-r--r--source/Piston.cpp292
1 files changed, 0 insertions, 292 deletions
diff --git a/source/Piston.cpp b/source/Piston.cpp
deleted file mode 100644
index 63ffbad0b..000000000
--- a/source/Piston.cpp
+++ /dev/null
@@ -1,292 +0,0 @@
-#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "Piston.h"
-#include "ChunkDef.h"
-#include "Entities/Pickup.h"
-#include "Item.h"
-#include "Root.h"
-#include "ClientHandle.h"
-#include "World.h"
-#include "Server.h"
-#include "Blocks/BlockHandler.h"
-
-
-
-
-
-/// Number of ticks that the piston extending / retracting waits before setting the block
-const int PISTON_TICK_DELAY = 6;
-
-
-
-
-
-cPiston::cPiston(cWorld * a_World)
- : m_World(a_World)
-{
-}
-
-
-
-
-
-int cPiston::FirstPassthroughBlock(int pistonX, int pistonY, int pistonZ, NIBBLETYPE pistonmeta)
-{
- // Examine each of the 12 blocks ahead of the piston:
- for (int ret = 0; ret < 12; ret++)
- {
- BLOCKTYPE currBlock;
- NIBBLETYPE currMeta;
- AddDir(pistonX, pistonY, pistonZ, pistonmeta, 1);
- m_World->GetBlockTypeMeta(pistonX, pistonY, pistonZ, currBlock, currMeta);
- if (CanBreakPush(currBlock, currMeta))
- {
- // This block breaks when pushed, extend up to here
- return ret;
- }
- if (!CanPush(currBlock, currMeta))
- {
- // This block cannot be pushed at all, the piston can't extend
- return -1;
- }
- }
- // There is no space for the blocks to move, piston can't extend
- return -1;
-}
-
-
-
-
-
-void cPiston::ExtendPiston(int pistx, int pisty, int pistz)
-{
- BLOCKTYPE pistonBlock;
- NIBBLETYPE pistonMeta;
- m_World->GetBlockTypeMeta(pistx, pisty, pistz, pistonBlock, pistonMeta);
-
- if (IsExtended(pistonMeta))
- {
- // Already extended, bail out
- return;
- }
-
- int dist = FirstPassthroughBlock(pistx, pisty, pistz, pistonMeta);
- if (dist < 0)
- {
- // FirstPassthroughBlock says piston can't push anything, bail out
- return;
- }
-
- m_World->BroadcastBlockAction(pistx, pisty, pistz, 0, pistonMeta, pistonBlock);
- m_World->BroadcastSoundEffect("tile.piston.out", pistx * 8, pisty * 8, pistz * 8, 0.5f, 0.7f);
-
- // Drop the breakable block in the line, if appropriate:
- AddDir(pistx, pisty, pistz, pistonMeta, dist + 1); // "pist" now at the breakable / empty block
- BLOCKTYPE currBlock;
- NIBBLETYPE currMeta;
- m_World->GetBlockTypeMeta(pistx, pisty, pistz, currBlock, currMeta);
- if (currBlock != E_BLOCK_AIR)
- {
- cBlockHandler * Handler = BlockHandler(currBlock);
- if (Handler->DoesDropOnUnsuitable())
- {
- Handler->DropBlock(m_World, NULL, pistx, pisty, pistz);
- }
- }
-
- // Push blocks, from the furthest to the nearest:
- int oldx = pistx, oldy = pisty, oldz = pistz;
- NIBBLETYPE currBlockMeta;
- for (int i = dist + 1; i > 1; i--)
- {
- AddDir(pistx, pisty, pistz, pistonMeta, -1);
- m_World->GetBlockTypeMeta(pistx, pisty, pistz, currBlock, currBlockMeta);
- m_World->QueueSetBlock( oldx, oldy, oldz, currBlock, currBlockMeta, PISTON_TICK_DELAY);
- oldx = pistx;
- oldy = pisty;
- oldz = pistz;
- }
-
- int extx = pistx;
- int exty = pisty;
- int extz = pistz;
- AddDir(pistx, pisty, pistz, pistonMeta, -1);
- // "pist" now at piston body, "ext" at future extension
-
- m_World->SetBlock( pistx, pisty, pistz, pistonBlock, pistonMeta | 0x8);
- m_World->QueueSetBlock(extx, exty, extz, E_BLOCK_PISTON_EXTENSION, pistonMeta | (IsSticky(pistonBlock) ? 8 : 0), PISTON_TICK_DELAY);
-}
-
-
-
-
-
-void cPiston::RetractPiston(int pistx, int pisty, int pistz)
-{
- BLOCKTYPE pistonBlock;
- NIBBLETYPE pistonMeta;
- m_World->GetBlockTypeMeta(pistx, pisty, pistz, pistonBlock, pistonMeta);
- if (!IsExtended(pistonMeta))
- {
- // Already retracted, bail out
- return;
- }
-
- // Check the extension:
- AddDir(pistx, pisty, pistz, pistonMeta, 1);
- if (m_World->GetBlock(pistx, pisty, pistz) != E_BLOCK_PISTON_EXTENSION)
- {
- LOGD("%s: Piston without an extension - still extending, or just in an invalid state?", __FUNCTION__);
- return;
- }
-
- AddDir(pistx, pisty, pistz, pistonMeta, -1);
- m_World->BroadcastBlockAction(pistx, pisty, pistz, 1, pistonMeta & ~(8), pistonBlock);
- m_World->BroadcastSoundEffect("tile.piston.in", pistx * 8, pisty * 8, pistz * 8, 0.5f, 0.7f);
- m_World->SetBlock(pistx, pisty, pistz, pistonBlock, pistonMeta & ~(8));
- AddDir(pistx, pisty, pistz, pistonMeta, 1);
-
- // Retract the extension, pull block if appropriate
- if (IsSticky(pistonBlock))
- {
- int tempx = pistx, tempy = pisty, tempz = pistz;
- AddDir( tempx, tempy, tempz, pistonMeta, 1);
- BLOCKTYPE tempBlock;
- NIBBLETYPE tempMeta;
- m_World->GetBlockTypeMeta(tempx, tempy, tempz, tempBlock, tempMeta);
- if (CanPull(tempBlock, tempMeta))
- {
- // Pull the block
- m_World->QueueSetBlock(pistx, pisty, pistz, tempBlock, tempMeta, PISTON_TICK_DELAY);
- m_World->QueueSetBlock(tempx, tempy, tempz, E_BLOCK_AIR, 0, PISTON_TICK_DELAY);
- }
- else
- {
- // Retract without pulling
- m_World->QueueSetBlock(pistx, pisty, pistz, E_BLOCK_AIR, 0, PISTON_TICK_DELAY);
- }
- }
- else
- {
- m_World->QueueSetBlock(pistx, pisty, pistz, E_BLOCK_AIR, 0, PISTON_TICK_DELAY);
- }
-}
-
-
-
-
-
-bool cPiston::IsExtended(NIBBLETYPE a_PistonMeta)
-{
- return ((a_PistonMeta & 0x8) != 0x0);
-}
-
-
-
-
-
-bool cPiston::IsSticky(BLOCKTYPE a_BlockType)
-{
- return (a_BlockType == E_BLOCK_STICKY_PISTON);
-}
-
-
-
-
-
-bool cPiston::CanPush(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
-{
- switch (a_BlockType)
- {
- case E_BLOCK_ANVIL:
- case E_BLOCK_BED:
- case E_BLOCK_BEDROCK:
- case E_BLOCK_BREWING_STAND:
- case E_BLOCK_CHEST:
- case E_BLOCK_COMMAND_BLOCK:
- case E_BLOCK_DISPENSER:
- case E_BLOCK_DROPPER:
- case E_BLOCK_ENCHANTMENT_TABLE:
- case E_BLOCK_END_PORTAL:
- case E_BLOCK_END_PORTAL_FRAME:
- case E_BLOCK_FURNACE:
- case E_BLOCK_LIT_FURNACE:
- case E_BLOCK_HOPPER:
- case E_BLOCK_JUKEBOX:
- case E_BLOCK_MOB_SPAWNER:
- case E_BLOCK_NETHER_PORTAL:
- case E_BLOCK_NOTE_BLOCK:
- case E_BLOCK_OBSIDIAN:
- case E_BLOCK_PISTON_EXTENSION:
- {
- return false;
- }
- case E_BLOCK_STICKY_PISTON:
- case E_BLOCK_PISTON:
- {
- // A piston can only be pushed if retracted:
- return !IsExtended(a_BlockMeta);
- }
- }
- return true;
-}
-
-
-
-
-
-bool cPiston::CanBreakPush(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
-{
- return g_BlockPistonBreakable[a_BlockType];
-}
-
-
-
-
-
-bool cPiston::CanPull(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
-{
- switch (a_BlockType)
- {
- case E_BLOCK_LAVA:
- case E_BLOCK_STATIONARY_LAVA:
- case E_BLOCK_STATIONARY_WATER:
- case E_BLOCK_WATER:
- {
- return false;
- }
- }
-
- if (CanBreakPush(a_BlockType, a_BlockMeta))
- {
- return false; // CanBreakPush returns true, but we need false to prevent pulling
- }
-
- return CanPush(a_BlockType, a_BlockMeta);
-}
-
-
-
-
-
-void cPiston::AddDir(int & a_BlockX, int & a_BlockY, int & a_BlockZ, NIBBLETYPE a_PistonMeta, int a_Amount)
-{
- switch (a_PistonMeta & 0x07)
- {
- case 0: a_BlockY -= a_Amount; break;
- case 1: a_BlockY += a_Amount; break;
- case 2: a_BlockZ -= a_Amount; break;
- case 3: a_BlockZ += a_Amount; break;
- case 4: a_BlockX -= a_Amount; break;
- case 5: a_BlockX += a_Amount; break;
- default:
- {
- LOGWARNING("%s: invalid direction %d, ignoring", __FUNCTION__, a_PistonMeta & 0x07);
- break;
- }
- }
-}
-
-
-
-