void cBlockPistonHandler::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: AddPistonDir(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()) { cChunkInterface ChunkInterface(m_World->GetChunkMap()); cBlockInServerPluginInterface PluginInterface(*m_World); Handler->DropBlock(ChunkInterface, *m_World, PluginInterface, 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--) { AddPistonDir(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; AddPistonDir(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 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", (double)a_BlockX, (double)a_BlockY, (double)a_BlockZ, 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); std::vector<Vector3i> 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); std::vector<Vector3i> ScheduledBlocks; ScheduledBlocks.push_back(Vector3i(a_BlockX, a_BlockY, a_BlockZ)); a_World->ScheduleTask(PISTON_TICK_DELAY + 1, new cWorld::cTaskSendBlockToAllPlayers(ScheduledBlocks)); }
void cBlockPistonHandler::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: AddPistonDir(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; } AddPistonDir(pistx, pisty, pistz, pistonMeta, -1); m_World->SetBlock(pistx, pisty, pistz, pistonBlock, pistonMeta & ~(8)); 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); AddPistonDir(pistx, pisty, pistz, pistonMeta, 1); // Retract the extension, pull block if appropriate if (IsSticky(pistonBlock)) { int tempx = pistx, tempy = pisty, tempz = pistz; AddPistonDir(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); } }
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", static_cast<double>(a_BlockX), static_cast<double>(a_BlockY), static_cast<double>(a_BlockZ), 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); a_World->SetBlock(tempx, tempy, tempz, E_BLOCK_AIR, 0); return; } } // Retract without pulling a_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0); }
void cBlockPistonHandler::OnDestroyed(cWorld * a_World, int a_BlockX, int a_BlockY, int a_BlockZ) { NIBBLETYPE OldMeta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); int newX = a_BlockX; int newY = a_BlockY; int newZ = a_BlockZ; AddPistonDir(newX, newY, newZ, OldMeta & ~(8), 1); if (a_World->GetBlock(newX, newY, newZ) == E_BLOCK_PISTON_EXTENSION) { a_World->SetBlock(newX, newY, newZ, E_BLOCK_AIR, 0); } }
void cBlockPistonHandler::OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ) { NIBBLETYPE OldMeta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); int newX = a_BlockX; int newY = a_BlockY; int newZ = a_BlockZ; AddPistonDir(newX, newY, newZ, OldMeta, 1); if (a_ChunkInterface.GetBlock(newX, newY, newZ) == E_BLOCK_PISTON_EXTENSION) { a_ChunkInterface.SetBlock(newX, newY, newZ, E_BLOCK_AIR, 0); } }
void cBlockPistonHeadHandler::OnDestroyedByPlayer(cWorld * a_World, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ) { NIBBLETYPE OldMeta = a_World->GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); int newX = a_BlockX; int newY = a_BlockY; int newZ = a_BlockZ; AddPistonDir(newX, newY, newZ, OldMeta & ~(8), -1); BLOCKTYPE Block = a_World->GetBlock(newX, newY, newZ); if ((Block == E_BLOCK_STICKY_PISTON) || (Block == E_BLOCK_PISTON)) { a_World->DigBlock(newX, newY, newZ); if (a_Player->IsGameModeCreative()) { return; // No pickups if creative } cItems Pickups; Pickups.push_back(cItem(Block, 1)); a_World->SpawnItemPickups(Pickups, a_BlockX + 0.5, a_BlockY + 0.5, a_BlockZ + 0.5); } }
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(a_PistonX, a_PistonY, a_PistonZ, pistonmeta, 1); a_World->GetBlockTypeMeta(a_PistonX, a_PistonY, a_PistonZ, currBlock, currMeta); if (cBlockInfo::IsPistonBreakable(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", (double)a_BlockX, (double)a_BlockY, (double)a_BlockZ, 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; std::vector<Vector3i> 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); ScheduledBlocks.push_back(Vector3i(oldx, oldy, oldz)); oldx = a_BlockX; oldy = a_BlockY; oldz = 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(ScheduledBlocks)); }
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", static_cast<double>(a_BlockX), static_cast<double>(a_BlockY), static_cast<double>(a_BlockZ), 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, nullptr, 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); 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)); }