2011-11-05 14:28:19 -04:00
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#include "cPiston.h"
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#include "cRoot.h"
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#include "cWorld.h"
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#include "BlockID.h"
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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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//Todo: All piston stuff below.
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void cPiston::ExtendPiston( int pistx, int pisty, int pistz )
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{
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2011-11-05 22:36:05 -04:00
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//cWorld* World = cRoot::Get()->GetWorld();
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char metadata = 0;
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char extmetadata = 0;
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int FirstFluidBlock = 0;
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char piston;
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2011-11-05 14:28:19 -04:00
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2011-11-05 22:36:05 -04:00
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piston = m_World->GetBlock( pistx, pisty, pistz );
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2011-11-05 14:28:19 -04:00
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2011-11-05 22:36:05 -04:00
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printf("psPiston1\n");
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2011-11-05 14:28:19 -04:00
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2011-11-05 22:36:05 -04:00
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if ( piston == E_BLOCK_STICKY_PISTON ) {
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printf("psPiston2\n");
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extmetadata = 8;
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}//if sticky piston than top nibble bit is set to 1;
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if ( ( piston == E_BLOCK_STICKY_PISTON ) || ( piston == E_BLOCK_PISTON ) ) {
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metadata = m_World->GetBlockMeta( pistx, pisty, pistz);
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printf("psPiston3\n");
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printf("metadata %c\n",metadata);
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if (metadata < 5) { //piston not extended
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2011-11-05 14:28:19 -04:00
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2011-11-05 22:36:05 -04:00
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printf("metadata %c\n",metadata);
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metadata -= 8; //removing 8 from retracts it
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switch (metadata) {
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case 0:
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FirstFluidBlock = FindFluidBlock ( pistx, pisty, pistz, pistx, pisty-16, pistz );
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if (FirstFluidBlock > 0) {
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ChainMove ( pistx, pisty, pistz, pistx, pisty-FirstFluidBlock, pistz );
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}
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m_World->FastSetBlock( pistx, pisty, pistz, piston, (char)metadata + 8 );
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m_World->FastSetBlock( pistx, pisty-1, pistz, E_BLOCK_PISTON_EXTENSION, extmetadata );
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break;
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case 1:
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FirstFluidBlock = FindFluidBlock (pistx, pisty, pistz, pistx, pisty+16, pistz);
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if (FirstFluidBlock > 0) {
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ChainMove ( pistx, pisty, pistz, pistx, pisty+FirstFluidBlock, pistz );
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}
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m_World->FastSetBlock( pistx, pisty, pistz, piston, (char)metadata + 8 );
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m_World->FastSetBlock( pistx, pisty+1, pistz, E_BLOCK_PISTON_EXTENSION, extmetadata+1 );
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break;
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case 2:
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FirstFluidBlock = FindFluidBlock (pistx, pisty, pistz, pistx, pisty, pistz-16);
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if (FirstFluidBlock > 0) {
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ChainMove ( pistx, pisty, pistz, pistx, pisty, pistz-FirstFluidBlock );
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}
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m_World->FastSetBlock( pistx, pisty, pistz, piston, (char)metadata + 8 );
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m_World->FastSetBlock( pistx, pisty, pistz-1, E_BLOCK_PISTON_EXTENSION, extmetadata+2 );
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break;
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case 3:
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FirstFluidBlock = FindFluidBlock (pistx, pisty, pistz, pistx, pisty, pistz+16);
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if (FirstFluidBlock > 0) {
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ChainMove ( pistx, pisty, pistz, pistx, pisty, pistz+FirstFluidBlock );
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}
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m_World->FastSetBlock( pistx, pisty, pistz, piston, (char)metadata + 8 );
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m_World->FastSetBlock( pistx, pisty, pistz+1, E_BLOCK_PISTON_EXTENSION, extmetadata+3 );
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break;
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case 4:
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FirstFluidBlock = FindFluidBlock (pistx, pisty, pistz, pistx-16, pisty, pistz);
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if (FirstFluidBlock > 0) {
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ChainMove ( pistx, pisty, pistz, pistx-FirstFluidBlock, pisty, pistz );
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}
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m_World->FastSetBlock( pistx, pisty, pistz, piston, metadata + 8 );
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m_World->FastSetBlock( pistx, pisty+1, pistz, E_BLOCK_PISTON_EXTENSION, extmetadata+4 );
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break;
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case 5:
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FirstFluidBlock = FindFluidBlock (pistx, pisty, pistz, pistx+16, pisty, pistz);
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if (FirstFluidBlock > 0) {
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ChainMove ( pistx, pisty, pistz, pistx+FirstFluidBlock, pisty, pistz );
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}
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m_World->FastSetBlock( pistx, pisty, pistz, piston, metadata + 8 );
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m_World->FastSetBlock( pistx, pisty+1, pistz, E_BLOCK_PISTON_EXTENSION, extmetadata+5 );
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break;
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}
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}
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}
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2011-11-05 14:28:19 -04:00
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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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2011-11-05 22:36:05 -04:00
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char metadata = m_World->GetBlockMeta( pistx, pisty, pistz);
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if ( (int)m_World->GetBlock( pistx, pisty, pistz ) == E_BLOCK_PISTON ) {
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if (metadata > 5) { //piston retracted
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metadata -= 8;//set the piston to retracted state.
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m_World->FastSetBlock( pistx, pisty, pistz, m_World->GetBlock( pistx, pisty, pistz ), metadata );
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switch (metadata) {
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case 0:
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if ( m_World->GetBlock( pistx, pisty-1, pistz ) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx, pisty-1, pistz, 0, 0 );
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}
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break;
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case 1:
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if ( m_World->GetBlock( pistx, pisty+1, pistz ) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx, pisty+1, pistz, 0, 0 );
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}
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break;
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case 2:
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if ( m_World->GetBlock( pistx, pisty, pistz-1 ) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx, pisty, pistz-1, 0, 0 );
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}
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break;
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case 3:
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if ( m_World->GetBlock( pistx, pisty, pistz+1 ) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx, pisty, pistz+1, 0, 0 );
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}
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break;
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case 4:
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if ( m_World->GetBlock( pistx-1, pisty, pistz ) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx-1, pisty, pistz, 0, 0 );
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}
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break;
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case 5:
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if ( m_World->GetBlock( pistx+1, pisty, pistz ) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx+1, pisty, pistz, 0, 0 );
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}
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break;
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}
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}
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2011-11-05 14:28:19 -04:00
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}
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2011-11-05 22:36:05 -04:00
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if ( (int)m_World->GetBlock( pistx, pisty, pistz ) == E_BLOCK_PISTON ) {
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if (metadata > 5) { //piston retracted
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metadata -= 8;//set the piston to retracted state.
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m_World->FastSetBlock( pistx, pisty, pistz, m_World->GetBlock( pistx, pisty, pistz ), metadata );
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switch (metadata) {
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case 0:
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if ( m_World->GetBlock( pistx, pisty-1, pistz ) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx, pisty-1, pistz, m_World->GetBlock( pistx, pisty-2, pistz ), m_World->GetBlockMeta( pistx, pisty-2, pistz ) );
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m_World->SetBlock( pistx, pisty-2, pistz, 0, 0 );
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}
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break;
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case 1:
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if ( m_World->GetBlock( pistx, pisty+1, pistz ) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx, pisty-1, pistz, m_World->GetBlock( pistx, pisty-2, pistz ), m_World->GetBlockMeta( pistx, pisty-2, pistz ) );
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m_World->SetBlock( pistx, pisty-2, pistz, 0, 0 );
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}
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break;
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case 2:
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if ( m_World->GetBlock( pistx, pisty, pistz-1) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx, pisty, pistz-1, m_World->GetBlock( pistx, pisty, pistz-2 ), m_World->GetBlockMeta( pistx, pisty, pistz-2 ) );
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m_World->SetBlock( pistx, pisty, pistz-2, 0, 0 );
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}
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break;
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case 3:
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if ( m_World->GetBlock( pistx, pisty, pistz+1) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx, pisty, pistz+1, m_World->GetBlock( pistx, pisty, pistz+2 ), m_World->GetBlockMeta( pistx, pisty, pistz+2 ) );
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m_World->SetBlock( pistx, pisty, pistz+2, 0, 0 );
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}
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break;
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case 4:
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if ( m_World->GetBlock( pistx-1, pisty, pistz) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx-1, pisty, pistz, m_World->GetBlock( pistx-2, pisty, pistz ), m_World->GetBlockMeta( pistx-2, pisty, pistz ) );
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m_World->SetBlock( pistx-2, pisty, pistz, 0, 0 );
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}
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break;
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case 5:
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if ( m_World->GetBlock( pistx+1, pisty, pistz) == E_BLOCK_PISTON_EXTENSION ) {
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m_World->SetBlock( pistx+1, pisty, pistz, m_World->GetBlock( pistx+2, pisty, pistz ), m_World->GetBlockMeta( pistx+2, pisty, pistz ) );
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m_World->SetBlock( pistx+2, pisty, pistz, 0, 0 );
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}
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break;
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}
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}
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}
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}
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void cPiston::ChainMove ( int ax, int ay, int az, int bx, int by, int bz )
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{
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char lastmeta;
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char lastblock;
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if ( ( ax != bx ) && ( ay == by ) && ( az == bz ) ) { //move x
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if ( ax < bx ) {
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while ( ax > bx ) {
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lastmeta = m_World->GetBlockMeta( bx+1, by, bz);
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lastblock = m_World->GetBlockMeta( bx+1, by, bz);
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m_World->SetBlock( bx, by, bz, lastblock, lastmeta );
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bx+1;
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}
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} else {
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while ( ax < bx ) {
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lastmeta = m_World->GetBlockMeta( bx-1, by, bz);
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lastblock = m_World->GetBlockMeta( bx-1, by, bz);
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m_World->SetBlock( bx, by, bz, lastblock, lastmeta );
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bx-1;
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}
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}
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m_World->SetBlock( ax, ay, az, 0, 0 );
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} else if ( ( ax == bx ) && ( ay != by ) && ( az == bz ) ) { //move y
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if ( ay < by ) {
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while ( ay > by ) {
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lastmeta = m_World->GetBlockMeta( bx, by+1, bz);
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lastblock = m_World->GetBlockMeta( bx, by+1, bz);
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m_World->SetBlock( bx, by, bz, lastblock, lastmeta );
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by+1;
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}
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} else {
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while ( ay < by ) {
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lastmeta = m_World->GetBlockMeta( bx, by-1, bz);
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lastblock = m_World->GetBlockMeta( bx, by-1, bz);
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m_World->SetBlock( bx, by, bz, lastblock, lastmeta );
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by-1;
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}
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}
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m_World->SetBlock( ax, ay, az, 0, 0 );
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} else if ( ( ax == bx ) && ( ay == by ) && ( az != bz ) ) { //move z
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if ( az < bz ) {
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while ( az > bz ) {
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lastmeta = m_World->GetBlockMeta( bx, by, bz+1 );
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lastblock = m_World->GetBlockMeta( bx, by, bz+1 );
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m_World->SetBlock( bx, by, bz, lastblock, lastmeta );
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bz+1;
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}
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} else {
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while ( az < bz ) {
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lastmeta = m_World->GetBlockMeta( bx, by, bz-1 );
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lastblock = m_World->GetBlockMeta( bx, by, bz-1 );
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m_World->SetBlock( bx, by, bz, lastblock, lastmeta );
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bz-1;
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}
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}
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m_World->SetBlock( ax, ay, az, 0, 0 );
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} else {
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//LOG("Bad coords fed into cPiston::ChainMove");
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}
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}
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int cPiston::FindFluidBlock ( int ax, int ay, int az, int bx, int by, int bz )
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{
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char thisblock;
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int cnt = 0;
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if ( ( ax != bx ) && ( ay == by ) && ( az == bz ) ) { //check x
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if ( ax < bx ) {
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while ( ax < bx ) {
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thisblock = m_World->GetBlock( ax, ay, az);
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if ( (thisblock == 0) || (thisblock == E_BLOCK_STATIONARY_WATER) || (thisblock == E_BLOCK_WATER) || (thisblock == E_BLOCK_STATIONARY_LAVA) || (thisblock == E_BLOCK_LAVA) ) {
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return cnt;
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}
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cnt++;
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ax+1;
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}
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} else {
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while ( ax > bx ) {
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thisblock = m_World->GetBlock( ax, ay, az);
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if ( (thisblock == 0) || (thisblock == E_BLOCK_STATIONARY_WATER) || (thisblock == E_BLOCK_WATER) || (thisblock == E_BLOCK_STATIONARY_LAVA) || (thisblock == E_BLOCK_LAVA) ) {
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return cnt;
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}
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cnt++;
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ax-1;
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}
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}
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m_World->SetBlock( ax, ay, az, 0, 0 );
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} else if ( ( ax == bx ) && ( ay != by ) && ( az == bz ) ) { //check y
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|
if ( ay < by ) {
|
|
|
|
|
|
|
|
while ( ay < by ) {
|
|
|
|
|
|
|
|
thisblock = m_World->GetBlock( bx, by, bz);
|
|
|
|
if ( (thisblock == 0) || (thisblock == E_BLOCK_STATIONARY_WATER) || (thisblock == E_BLOCK_WATER) || (thisblock == E_BLOCK_STATIONARY_LAVA) || (thisblock == E_BLOCK_LAVA) ) {
|
|
|
|
return cnt;
|
|
|
|
}
|
|
|
|
cnt++;
|
|
|
|
ay+1;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
while ( ay > by ) {
|
|
|
|
|
|
|
|
thisblock = m_World->GetBlock( bx, by, bz);
|
|
|
|
if ( (thisblock == 0) || (thisblock == E_BLOCK_STATIONARY_WATER) || (thisblock == E_BLOCK_WATER) || (thisblock == E_BLOCK_STATIONARY_LAVA) || (thisblock == E_BLOCK_LAVA) ) {
|
|
|
|
return cnt;
|
|
|
|
}
|
|
|
|
cnt++;
|
|
|
|
ay-1;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
m_World->SetBlock( ax, ay, az, 0, 0 );
|
|
|
|
|
|
|
|
} else if ( ( ax == bx ) && ( ay == by ) && ( az != bz ) ) { //check z
|
|
|
|
|
|
|
|
if ( az < bz ) {
|
|
|
|
|
|
|
|
while ( az < bz ) {
|
|
|
|
|
|
|
|
thisblock = m_World->GetBlock( ax, ay, az);
|
|
|
|
if ( (thisblock == 0) || (thisblock == E_BLOCK_STATIONARY_WATER) || (thisblock == E_BLOCK_WATER) || (thisblock == E_BLOCK_STATIONARY_LAVA) || (thisblock == E_BLOCK_LAVA) ) {
|
|
|
|
return cnt;
|
|
|
|
}
|
|
|
|
cnt++;
|
|
|
|
az+1;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
while ( az > bz ) {
|
|
|
|
|
|
|
|
thisblock = m_World->GetBlock( ax, ay, az);
|
|
|
|
if ( (thisblock == 0) || (thisblock == E_BLOCK_STATIONARY_WATER) || (thisblock == E_BLOCK_WATER) || (thisblock == E_BLOCK_STATIONARY_LAVA) || (thisblock == E_BLOCK_LAVA) ) {
|
|
|
|
return cnt;
|
|
|
|
}
|
|
|
|
cnt++;
|
|
|
|
az-1;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
return cnt;
|
|
|
|
|
2011-11-05 14:28:19 -04:00
|
|
|
}
|
|
|
|
|
2011-11-05 22:36:05 -04:00
|
|
|
|
2011-11-05 14:28:19 -04:00
|
|
|
}
|