679085b520
Added stained clay, coal block, and hardened clay Block IDs Added stained clay and carpet block Metas Fixed bug with sticky retract bailing out but not unsetting arm Fixed autocomplete not working when not at the first character, fixes #64 Added furnace recipes for hardened clay and coal and coal blocks
193 lines
5.7 KiB
C++
193 lines
5.7 KiB
C++
#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
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#include "Piston.h"
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#include "ChunkDef.h"
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#include "Pickup.h"
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#include "Item.h"
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#include "Root.h"
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#include "ClientHandle.h"
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#include "World.h"
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#include "BlockID.h"
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#include "Server.h"
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#include "Blocks/BlockHandler.h"
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extern bool g_BlockPistonBreakable[];
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//Replace AddDir (...) with the switch cases that, sets coords in direction of piston face
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#define AddDir( x, y, z, dir, amount ) \
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switch (dir) \
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{ \
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case 0: (y)-=(amount); break; \
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case 1: (y)+=(amount); break; \
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case 2: (z)-=(amount); break; \
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case 3: (z)+=(amount); break; \
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case 4: (x)-=(amount); break; \
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case 5: (x)+=(amount); break; \
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}
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cPiston::cPiston(cWorld * a_World)
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: m_World(a_World)
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{
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}
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unsigned short cPiston::FirstPassthroughBlock(int pistonX, int pistonY, int pistonZ, char pistonmeta)
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{
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unsigned short ret;
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pistonmeta &= 7;
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if (pistonmeta >= 6)
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{
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// Just in case, it shouldn't happen but if it would, it'd cause inf loop
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LOGD("cPiston::FirstPassthroughBlock - piston has invalid meta data!\n");
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return 9001;
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}
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BLOCKTYPE currBlock;
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NIBBLETYPE currMeta;
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for (ret = 0; ret < 24; ret++) //Push up to 24 blocks
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{
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AddDir( pistonX, pistonY, pistonZ, pistonmeta, 1) //Set the coords one further from the piston direction
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m_World->GetBlockTypeMeta(pistonX, pistonY, pistonZ, currBlock, currMeta);
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if ((currBlock == E_BLOCK_BEDROCK) || (currBlock == E_BLOCK_OBSIDIAN) || (currBlock == E_BLOCK_PISTON_EXTENSION) || ( (currMeta & 0x8) != 0x0 ))
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{
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return 9001;
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}
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if (g_BlockPistonBreakable[currBlock]) //If it's a breakable block (air, torch, etc.) then the line of blocks can be pushed
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{
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return ret;
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}
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}
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return 9001; //There is no space for the blocks to move within 24 spaces, piston can't push
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}
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void cPiston::ExtendPiston( int pistx, int pisty, int pistz )
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{
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BLOCKTYPE pistonBlock;
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NIBBLETYPE pistonMeta;
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m_World->GetBlockTypeMeta(pistx, pisty, pistz, pistonBlock, pistonMeta);
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char isSticky = (char)(pistonBlock == E_BLOCK_STICKY_PISTON) * 8;
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if ( (pistonMeta & 0x8) != 0x0 )
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{
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// Piston already extended, bail out
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return;
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}
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unsigned short dist = FirstPassthroughBlock(pistx, pisty, pistz, pistonMeta);
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if (dist > 9000) return; // FirstPassthroughBlock says piston can't push anything, bail out
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AddDir(pistx, pisty, pistz, pistonMeta & 7, dist + 1) //Get the coords of the air / breakable block in the line, dist+1 because of coords
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BLOCKTYPE currBlock;
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NIBBLETYPE currMeta;
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m_World->GetBlockTypeMeta(pistx, pisty, pistz, currBlock, currMeta);
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if (currBlock != E_BLOCK_AIR)
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{
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cBlockHandler * Handler = BlockHandler(currBlock);
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if (Handler->DoesDropOnUnsuitable())
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{
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Handler->DropBlock(m_World, NULL, pistx, pisty, pistz); //If block is breakable, drop it
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}
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}
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int oldx = pistx, oldy = pisty, oldz = pistz; //Make a second set of coord vars along with the originals
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NIBBLETYPE currBlockMeta;
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if (dist != 0) //Check for single block being pushed - for loop doesn't catch it in time and breaks stuffz
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{
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for (int i = dist + 1; i > 1; i--) //Decrement from the dropped breakable block to two further than the piston (one further will be future extension)
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{
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AddDir(pistx, pisty, pistz, pistonMeta & 7, -1) //Move one set of coords one back from breakable dropped block
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m_World->GetBlockTypeMeta(pistx, pisty, pistz, currBlock, currBlockMeta); //Get the block
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m_World->SetBlock( oldx, oldy, oldz, currBlock, currBlockMeta); //Set the block at the location of the original coords
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oldx = pistx; //Shift the selectors down a block and repeat
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oldy = pisty;
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oldz = pistz;
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}
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}
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int extx = pistx;
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int exty = pisty;
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int extz = pistz;
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AddDir(pistx, pisty, pistz, pistonMeta & 7, -1) //Move back one block to the piston base
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m_World->BroadcastBlockAction(pistx, pisty, pistz, 0, pistonMeta, E_BLOCK_PISTON); //Set the base
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m_World->BroadcastSoundEffect("tile.piston.out", pistx * 8, pisty * 8, pistz * 8, 0.5f, 0.7f);
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m_World->FastSetBlock( pistx, pisty, pistz, pistonBlock, pistonMeta | 0x8 );
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m_World->SetBlock(extx, exty, extz, E_BLOCK_PISTON_EXTENSION, isSticky + pistonMeta); //Set the arm
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}
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void cPiston::RetractPiston( int pistx, int pisty, int pistz )
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{
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BLOCKTYPE pistonBlock;
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NIBBLETYPE pistonMeta;
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m_World->GetBlockTypeMeta(pistx, pisty, pistz, pistonBlock, pistonMeta);
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if (pistonMeta <= 6)
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{
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// Already retracted, bail out
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return;
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}
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m_World->BroadcastBlockAction(pistx, pisty, pistz, 1, pistonMeta & ~(8), E_BLOCK_PISTON);
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m_World->BroadcastSoundEffect("tile.piston.in", pistx * 8, pisty * 8, pistz * 8, 0.5f, 0.7f);
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m_World->FastSetBlock(pistx, pisty, pistz, pistonBlock, pistonMeta & ~(8)); //Set the base
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AddDir(pistx, pisty, pistz, pistonMeta & 7, 1) //Move forwards to the extension coord
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if (m_World->GetBlock(pistx, pisty, pistz) != E_BLOCK_PISTON_EXTENSION)
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{
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LOGD("%s: Piston without an extension?", __FUNCTION__);
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return;
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}
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if (pistonBlock == E_BLOCK_STICKY_PISTON)
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{
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int tempx = pistx, tempy = pisty, tempz = pistz;
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AddDir( tempx, tempy, tempz, pistonMeta & 7, 1 ) //Move forward to the block being pulled
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BLOCKTYPE tempblock;
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NIBBLETYPE tempmeta;
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m_World->GetBlockTypeMeta(tempx, tempy, tempz, tempblock, tempmeta); //Check for pullable-ness
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if (
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(tempblock == E_BLOCK_OBSIDIAN) ||
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(tempblock == E_BLOCK_BEDROCK) ||
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(tempblock == E_BLOCK_PISTON_EXTENSION) ||
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(g_BlockPistonBreakable[tempblock]) ||
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((tempmeta & 0x8) != 0x0 )
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)
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{
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// These cannot be moved by the sticky piston, bail out
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m_World->SetBlock(pistx, pisty, pistz, E_BLOCK_AIR, 0);
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return;
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}
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m_World->SetBlock(pistx, pisty, pistz, tempblock, tempmeta);
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m_World->SetBlock(tempx, tempy, tempz, E_BLOCK_AIR, 0);
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}
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else
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{
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m_World->SetBlock(pistx, pisty, pistz, E_BLOCK_AIR, 0);
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}
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}
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