From ee929793f09c431693e1bef7edd77213ba412f60 Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Sun, 25 May 2014 13:46:34 +0100 Subject: Hopefully fixed piston duplication issues * Fixes #879 * Fixes #714 --- src/Blocks/BlockDropSpenser.h | 4 +- src/Blocks/BlockFurnace.h | 4 +- src/Blocks/BlockMobHead.h | 2 +- src/Blocks/BlockPiston.cpp | 166 ++++++++++++++++++++++++++++++++++++++++-- src/Blocks/BlockPiston.h | 129 +++++++++++++++++++++++++++++++- 5 files changed, 294 insertions(+), 11 deletions(-) (limited to 'src/Blocks') diff --git a/src/Blocks/BlockDropSpenser.h b/src/Blocks/BlockDropSpenser.h index 88b61a418..e2b3039fd 100644 --- a/src/Blocks/BlockDropSpenser.h +++ b/src/Blocks/BlockDropSpenser.h @@ -5,7 +5,7 @@ #pragma once -#include "../Piston.h" +#include "../Blocks/BlockPiston.h" #include "MetaRotator.h" @@ -32,7 +32,7 @@ public: a_BlockType = m_BlockType; // FIXME: Do not use cPiston class for dispenser placement! - a_BlockMeta = cPiston::RotationPitchToMetaData(a_Player->GetYaw(), a_Player->GetPitch()); + a_BlockMeta = cBlockPistonHandler::RotationPitchToMetaData(a_Player->GetYaw(), a_Player->GetPitch()); return true; } diff --git a/src/Blocks/BlockFurnace.h b/src/Blocks/BlockFurnace.h index a7a807957..74582c3b3 100644 --- a/src/Blocks/BlockFurnace.h +++ b/src/Blocks/BlockFurnace.h @@ -3,7 +3,7 @@ #include "BlockEntity.h" #include "../World.h" -#include "../Piston.h" +#include "../Blocks/BlockPiston.h" #include "MetaRotator.h" @@ -35,7 +35,7 @@ public: a_BlockType = m_BlockType; // FIXME: Do not use cPiston class for furnace placement! - a_BlockMeta = cPiston::RotationPitchToMetaData(a_Player->GetYaw(), 0); + a_BlockMeta = cBlockPistonHandler::RotationPitchToMetaData(a_Player->GetYaw(), 0); return true; } diff --git a/src/Blocks/BlockMobHead.h b/src/Blocks/BlockMobHead.h index b7629b07c..9855574ad 100644 --- a/src/Blocks/BlockMobHead.h +++ b/src/Blocks/BlockMobHead.h @@ -68,7 +68,7 @@ public: public: cPlayerCallback(const Vector3f & a_Pos) : m_Pos(a_Pos) {} - } PlayerCallback(Vector3f(a_BlockX, a_BlockY, a_BlockZ)); + } PlayerCallback(Vector3f((float)a_BlockX, (float)a_BlockY, (float)a_BlockZ)); a_World->DoWithMobHeadAt(a_BlockX, a_BlockY, a_BlockZ, CallbackA); diff --git a/src/Blocks/BlockPiston.cpp b/src/Blocks/BlockPiston.cpp index 542eb33b5..f758013dc 100644 --- a/src/Blocks/BlockPiston.cpp +++ b/src/Blocks/BlockPiston.cpp @@ -4,14 +4,14 @@ #include "../Item.h" #include "../World.h" #include "../Entities/Player.h" -#include "../Piston.h" +#include "BlockInServerPluginInterface.h" #define AddPistonDir(x, y, z, dir, amount) \ - switch (dir) \ + switch (dir & 0x07) \ { \ case 0: (y) -= (amount); break; \ case 1: (y) += (amount); break; \ @@ -19,8 +19,15 @@ case 3: (z) += (amount); break; \ case 4: (x) -= (amount); break; \ case 5: (x) += (amount); break; \ + default: \ + { \ + LOGWARNING("%s: invalid direction %d, ignoring", __FUNCTION__, dir & 0x07); \ + break; \ + } \ } +#define PISTON_TICK_DELAY 1 + @@ -40,7 +47,7 @@ void cBlockPistonHandler::OnDestroyed(cChunkInterface & a_ChunkInterface, cWorld int newX = a_BlockX; int newY = a_BlockY; int newZ = a_BlockZ; - AddPistonDir(newX, newY, newZ, OldMeta & ~(8), 1); + AddPistonDir(newX, newY, newZ, OldMeta, 1); if (a_ChunkInterface.GetBlock(newX, newY, newZ) == E_BLOCK_PISTON_EXTENSION) { @@ -60,7 +67,7 @@ bool cBlockPistonHandler::GetPlacementBlockTypeMeta( ) { a_BlockType = m_BlockType; - a_BlockMeta = cPiston::RotationPitchToMetaData(a_Player->GetYaw(), a_Player->GetPitch()); + a_BlockMeta = RotationPitchToMetaData(a_Player->GetYaw(), a_Player->GetPitch()); return true; } @@ -68,6 +75,155 @@ bool cBlockPistonHandler::GetPlacementBlockTypeMeta( +int cBlockPistonHandler::FirstPassthroughBlock(int pistonX, int pistonY, int pistonZ, NIBBLETYPE pistonmeta, cWorld * a_World) +{ + // Examine each of the 12 blocks ahead of the piston: + for (int ret = 0; ret < 12; ret++) + { + BLOCKTYPE currBlock; + NIBBLETYPE currMeta; + AddPistonDir(pistonX, pistonY, pistonZ, pistonmeta, 1); + a_World->GetBlockTypeMeta(pistonX, pistonY, pistonZ, currBlock, currMeta); + if (CanBreakPush(currBlock)) + { + // 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 cBlockPistonHandler::ExtendPiston(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) +{ + BLOCKTYPE pistonBlock; + NIBBLETYPE pistonMeta; + a_World->GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, pistonBlock, pistonMeta); + + if (IsExtended(pistonMeta)) + { + // Already extended, bail out + return; + } + + int dist = FirstPassthroughBlock(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, a_World); + if (dist < 0) + { + // FirstPassthroughBlock says piston can't push anything, bail out + return; + } + + a_World->BroadcastBlockAction(a_BlockX, a_BlockY, a_BlockZ, 0, pistonMeta, pistonBlock); + a_World->BroadcastSoundEffect("tile.piston.out", a_BlockX * 8, a_BlockY * 8, a_BlockZ * 8, 0.5f, 0.7f); + + // Drop the breakable block in the line, if appropriate: + AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, dist + 1); // "a_Block" now at the breakable / empty block + BLOCKTYPE currBlock; + NIBBLETYPE currMeta; + a_World->GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, currBlock, currMeta); + if (currBlock != E_BLOCK_AIR) + { + cBlockHandler * Handler = BlockHandler(currBlock); + if (Handler->DoesDropOnUnsuitable()) + { + cChunkInterface ChunkInterface(a_World->GetChunkMap()); + cBlockInServerPluginInterface PluginInterface(*a_World); + Handler->DropBlock(ChunkInterface, *a_World, PluginInterface, NULL, a_BlockX, a_BlockY, a_BlockZ); + } + } + + // Push blocks, from the furthest to the nearest: + int oldx = a_BlockX, oldy = a_BlockY, oldz = a_BlockZ; + NIBBLETYPE currBlockMeta; + for (int i = dist + 1; i > 1; i--) + { + AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, -1); + a_World->GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, currBlock, currBlockMeta); + a_World->SetBlock(oldx, oldy, oldz, currBlock, currBlockMeta, false); + a_World->ScheduleTask(PISTON_TICK_DELAY, new cWorld::cTaskSendBlockToAllPlayers(oldx, oldy, oldz)); + oldx = a_BlockX; + oldy = a_BlockY; + oldz = a_BlockZ; + } + + int extx = a_BlockX; + int exty = a_BlockY; + int extz = a_BlockZ; + AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, -1); + // "a_Block" now at piston body, "ext" at future extension + + a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, pistonBlock, pistonMeta | 0x8); + a_World->SetBlock(extx, exty, extz, E_BLOCK_PISTON_EXTENSION, pistonMeta | (IsSticky(pistonBlock) ? 8 : 0), false); + a_World->ScheduleTask(PISTON_TICK_DELAY, new cWorld::cTaskSendBlockToAllPlayers(extx, exty, extz)); +} + + + + + +void cBlockPistonHandler::RetractPiston(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) +{ + BLOCKTYPE pistonBlock; + NIBBLETYPE pistonMeta; + a_World->GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, pistonBlock, pistonMeta); + + if (!IsExtended(pistonMeta)) + { + // Already retracted, bail out + return; + } + + // Check the extension: + AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, 1); + if (a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ) != E_BLOCK_PISTON_EXTENSION) + { + LOGD("%s: Piston without an extension - still extending, or just in an invalid state?", __FUNCTION__); + return; + } + + AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, -1); + a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, pistonBlock, pistonMeta & ~(8)); + a_World->BroadcastBlockAction(a_BlockX, a_BlockY, a_BlockZ, 1, pistonMeta & ~(8), pistonBlock); + a_World->BroadcastSoundEffect("tile.piston.in", a_BlockX * 8, a_BlockY * 8, a_BlockZ * 8, 0.5f, 0.7f); + AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, 1); + + // Retract the extension, pull block if appropriate + if (IsSticky(pistonBlock)) + { + int tempx = a_BlockX, tempy = a_BlockY, tempz = a_BlockZ; + AddPistonDir(tempx, tempy, tempz, pistonMeta, 1); + BLOCKTYPE tempBlock; + NIBBLETYPE tempMeta; + a_World->GetBlockTypeMeta(tempx, tempy, tempz, tempBlock, tempMeta); + if (CanPull(tempBlock, tempMeta)) + { + // Pull the block + a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, tempBlock, tempMeta, false); + a_World->SetBlock(tempx, tempy, tempz, E_BLOCK_AIR, 0, false); + a_World->ScheduleTask(PISTON_TICK_DELAY + 1, new cWorld::cTaskSendBlockToAllPlayers(a_BlockX, a_BlockY, a_BlockZ)); + a_World->ScheduleTask(PISTON_TICK_DELAY, new cWorld::cTaskSendBlockToAllPlayers(tempx, tempy, tempz)); + return; + } + } + + // Retract without pulling + a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0, false); + a_World->ScheduleTask(PISTON_TICK_DELAY + 1, new cWorld::cTaskSendBlockToAllPlayers(a_BlockX, a_BlockY, a_BlockZ)); +} + + + + + /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // cBlockPistonHeadHandler: @@ -87,7 +243,7 @@ void cBlockPistonHeadHandler::OnDestroyedByPlayer(cChunkInterface & a_ChunkInter int newX = a_BlockX; int newY = a_BlockY; int newZ = a_BlockZ; - AddPistonDir(newX, newY, newZ, OldMeta & ~(8), -1); + AddPistonDir(newX, newY, newZ, OldMeta, -1); BLOCKTYPE Block = a_ChunkInterface.GetBlock(newX, newY, newZ); if ((Block == E_BLOCK_STICKY_PISTON) || (Block == E_BLOCK_PISTON)) diff --git a/src/Blocks/BlockPiston.h b/src/Blocks/BlockPiston.h index 7632b5e5a..d7c92925b 100644 --- a/src/Blocks/BlockPiston.h +++ b/src/Blocks/BlockPiston.h @@ -21,6 +21,133 @@ public: int a_CursorX, int a_CursorY, int a_CursorZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta ) override; + + static NIBBLETYPE RotationPitchToMetaData(double a_Rotation, double a_Pitch) + { + if (a_Pitch >= 50) + { + return 0x1; + } + else if (a_Pitch <= -50) + { + return 0x0; + } + else + { + a_Rotation += 90 + 45; // So its not aligned with axis + + if (a_Rotation > 360) + { + a_Rotation -= 360; + } + if ((a_Rotation >= 0) && (a_Rotation < 90)) + { + 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; + } + } + } + + static eBlockFace MetaDataToDirection(NIBBLETYPE a_MetaData) + { + switch (a_MetaData) + { + case 0x0: return BLOCK_FACE_YM; + case 0x1: return BLOCK_FACE_YP; + case 0x2: return BLOCK_FACE_ZM; + case 0x3: return BLOCK_FACE_ZP; + case 0x4: return BLOCK_FACE_XM; + case 0x5: return BLOCK_FACE_XP; + default: + { + ASSERT(!"Invalid Metadata"); + return BLOCK_FACE_NONE; + } + } + } + + static void ExtendPiston(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World); + static void RetractPiston(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World); + +private: + + /// Returns true if the piston (specified by blocktype) is a sticky piston + static inline bool IsSticky(BLOCKTYPE a_BlockType) { return (a_BlockType == E_BLOCK_STICKY_PISTON); } + + /// Returns true if the piston (with the specified meta) is extended + static inline bool IsExtended(NIBBLETYPE a_PistonMeta) { return ((a_PistonMeta & 0x8) != 0x0); } + + /// Returns true if the specified block can be pushed by a piston (and left intact) + static inline bool 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; + } + + /// Returns true if the specified block can be pushed by a piston and broken / replaced + static inline bool CanBreakPush(BLOCKTYPE a_BlockType) { return cBlockInfo::IsPistonBreakable(a_BlockType); } + + /// Returns true if the specified block can be pulled by a sticky piston + static inline bool 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; + } + } + + return CanBreakPush(a_BlockType) ? false /* CanBreakPush returns true, but we need false to prevent pulling */ : CanPush(a_BlockType, a_BlockMeta); + } + + /// Returns how many blocks the piston has to push (where the first free space is); < 0 when unpushable + static int FirstPassthroughBlock(int a_PistonX, int a_PistonY, int a_PistonZ, NIBBLETYPE a_PistonMeta, cWorld * a_World); } ; @@ -40,7 +167,7 @@ public: virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override { // No pickups - // Also with 1.7, the item forms of these tecnical blocks have been removed, so giving someone this will crash their client... + // Also with 1.7, the item forms of these technical blocks have been removed, so giving someone this will crash their client... } } ; -- cgit v1.2.3 From 365c6f50bd057eb62c66b9b222a07ca6efcb2c47 Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Thu, 29 May 2014 11:57:06 +0100 Subject: Changed block send queue to use vectors As suggested by @worktycho. --- src/Blocks/BlockPiston.cpp | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) (limited to 'src/Blocks') diff --git a/src/Blocks/BlockPiston.cpp b/src/Blocks/BlockPiston.cpp index f758013dc..1f8e0d9e0 100644 --- a/src/Blocks/BlockPiston.cpp +++ b/src/Blocks/BlockPiston.cpp @@ -27,6 +27,7 @@ } #define PISTON_TICK_DELAY 1 +#define PISTON_MAX_PUSH_DISTANCE 12 @@ -78,7 +79,7 @@ bool cBlockPistonHandler::GetPlacementBlockTypeMeta( int cBlockPistonHandler::FirstPassthroughBlock(int pistonX, int pistonY, int pistonZ, NIBBLETYPE pistonmeta, cWorld * a_World) { // Examine each of the 12 blocks ahead of the piston: - for (int ret = 0; ret < 12; ret++) + for (int ret = 0; ret < PISTON_MAX_PUSH_DISTANCE; ret++) { BLOCKTYPE currBlock; NIBBLETYPE currMeta; @@ -144,12 +145,15 @@ void cBlockPistonHandler::ExtendPiston(int a_BlockX, int a_BlockY, int a_BlockZ, // Push blocks, from the furthest to the nearest: int oldx = a_BlockX, oldy = a_BlockY, oldz = a_BlockZ; NIBBLETYPE currBlockMeta; + std::vector ScheduledBlocks; + ScheduledBlocks.reserve(PISTON_MAX_PUSH_DISTANCE); + for (int i = dist + 1; i > 1; i--) { AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, -1); a_World->GetBlockTypeMeta(a_BlockX, a_BlockY, a_BlockZ, currBlock, currBlockMeta); a_World->SetBlock(oldx, oldy, oldz, currBlock, currBlockMeta, false); - a_World->ScheduleTask(PISTON_TICK_DELAY, new cWorld::cTaskSendBlockToAllPlayers(oldx, oldy, oldz)); + ScheduledBlocks.push_back(Vector3i(oldx, oldy, oldz)); oldx = a_BlockX; oldy = a_BlockY; oldz = a_BlockZ; @@ -158,12 +162,13 @@ void cBlockPistonHandler::ExtendPiston(int a_BlockX, int a_BlockY, int a_BlockZ, int extx = a_BlockX; int exty = a_BlockY; int extz = a_BlockZ; + ScheduledBlocks.push_back(Vector3i(extx, exty, extz)); AddPistonDir(a_BlockX, a_BlockY, a_BlockZ, pistonMeta, -1); // "a_Block" now at piston body, "ext" at future extension a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, pistonBlock, pistonMeta | 0x8); a_World->SetBlock(extx, exty, extz, E_BLOCK_PISTON_EXTENSION, pistonMeta | (IsSticky(pistonBlock) ? 8 : 0), false); - a_World->ScheduleTask(PISTON_TICK_DELAY, new cWorld::cTaskSendBlockToAllPlayers(extx, exty, extz)); + a_World->ScheduleTask(PISTON_TICK_DELAY, new cWorld::cTaskSendBlockToAllPlayers(ScheduledBlocks)); } @@ -209,15 +214,21 @@ void cBlockPistonHandler::RetractPiston(int a_BlockX, int a_BlockY, int a_BlockZ // Pull the block a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, tempBlock, tempMeta, false); a_World->SetBlock(tempx, tempy, tempz, E_BLOCK_AIR, 0, false); - a_World->ScheduleTask(PISTON_TICK_DELAY + 1, new cWorld::cTaskSendBlockToAllPlayers(a_BlockX, a_BlockY, a_BlockZ)); - a_World->ScheduleTask(PISTON_TICK_DELAY, new cWorld::cTaskSendBlockToAllPlayers(tempx, tempy, tempz)); + + std::vector ScheduledBlocks; + ScheduledBlocks.push_back(Vector3i(a_BlockX, a_BlockY, a_BlockZ)); + ScheduledBlocks.push_back(Vector3i(tempx, tempy, tempz)); + a_World->ScheduleTask(PISTON_TICK_DELAY + 1, new cWorld::cTaskSendBlockToAllPlayers(ScheduledBlocks)); return; } } // Retract without pulling a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0, false); - a_World->ScheduleTask(PISTON_TICK_DELAY + 1, new cWorld::cTaskSendBlockToAllPlayers(a_BlockX, a_BlockY, a_BlockZ)); + + std::vector ScheduledBlocks; + ScheduledBlocks.push_back(Vector3i(a_BlockX, a_BlockY, a_BlockZ)); + a_World->ScheduleTask(PISTON_TICK_DELAY + 1, new cWorld::cTaskSendBlockToAllPlayers(ScheduledBlocks)); } -- cgit v1.2.3 From aa4477822ab0f1cdba904fd39e065bf8e86f9aec Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Thu, 29 May 2014 16:03:41 +0100 Subject: Suggestions --- src/Blocks/BlockPiston.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'src/Blocks') diff --git a/src/Blocks/BlockPiston.h b/src/Blocks/BlockPiston.h index d7c92925b..e6fa48e54 100644 --- a/src/Blocks/BlockPiston.h +++ b/src/Blocks/BlockPiston.h @@ -143,7 +143,12 @@ private: } } - return CanBreakPush(a_BlockType) ? false /* CanBreakPush returns true, but we need false to prevent pulling */ : CanPush(a_BlockType, a_BlockMeta); + if (CanBreakPush(a_BlockType)) + { + return false; // CanBreakPush returns true, but we need false to prevent pulling + } + + return CanPush(a_BlockType, a_BlockMeta); } /// Returns how many blocks the piston has to push (where the first free space is); < 0 when unpushable -- cgit v1.2.3 From a84f107400a326b0be27c290359220b8bf0e6635 Mon Sep 17 00:00:00 2001 From: Tiger Wang Date: Sun, 1 Jun 2014 20:00:11 +0100 Subject: Suggestions two --- src/Blocks/BlockPiston.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/Blocks') diff --git a/src/Blocks/BlockPiston.cpp b/src/Blocks/BlockPiston.cpp index 1f8e0d9e0..faf639312 100644 --- a/src/Blocks/BlockPiston.cpp +++ b/src/Blocks/BlockPiston.cpp @@ -76,15 +76,15 @@ bool cBlockPistonHandler::GetPlacementBlockTypeMeta( -int cBlockPistonHandler::FirstPassthroughBlock(int pistonX, int pistonY, int pistonZ, NIBBLETYPE pistonmeta, cWorld * a_World) +int cBlockPistonHandler::FirstPassthroughBlock(int a_PistonX, int a_PistonY, int a_PistonZ, NIBBLETYPE pistonmeta, cWorld * a_World) { // Examine each of the 12 blocks ahead of the piston: for (int ret = 0; ret < PISTON_MAX_PUSH_DISTANCE; ret++) { BLOCKTYPE currBlock; NIBBLETYPE currMeta; - AddPistonDir(pistonX, pistonY, pistonZ, pistonmeta, 1); - a_World->GetBlockTypeMeta(pistonX, pistonY, pistonZ, currBlock, currMeta); + AddPistonDir(a_PistonX, a_PistonY, a_PistonZ, pistonmeta, 1); + a_World->GetBlockTypeMeta(a_PistonX, a_PistonY, a_PistonZ, currBlock, currMeta); if (CanBreakPush(currBlock)) { // This block breaks when pushed, extend up to here -- cgit v1.2.3