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cuberite-2a/source/cRedstone.cpp
faketruth 9b7675f0e1 Forcing the use of the new redstone simulator 
git-svn-id: http://mc-server.googlecode.com/svn/trunk@359 0a769ca7-a7f5-676a-18bf-c427514a06d6
2012-03-04 16:04:42 +00:00

374 lines
17 KiB
C++
Raw Blame History

#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "cRedstone.h"
#include "cPiston.h"
#include "cRoot.h"
#include "cWorld.h"
#include "BlockID.h"
#include <iostream>
bool cRedstone::s_UseRedstone = false;
cRedstone::cRedstone( cWorld* a_World )
:m_World ( a_World )
,m_Metadata ( 0 )
,m_Direction ( 0 )
{
}
void cRedstone::ChangeRedstone( int fillx, int filly, int fillz, bool added )
{
s_UseRedstone = false;
if( !s_UseRedstone ) return;
char before;
//int tempX;
//int tempY;
//int tempZ;
//int state;
//m_Direction
// 0 = x+
// 1 = x-
// 2 = z+
// 3 = z-
// 4 = y+
// 5 = v-
if (added) {
m_Metadata = 15;
} else {
m_Metadata = 0;
}
before = m_Metadata;
//printf("etb1\n");
CalculateRedstone( fillx, filly, fillz ); //calculate all item centers.
//printf("etb2\n");
int Block = (int)m_World->GetBlock( fillx, filly, fillz );
switch (Block)//these blocks won't trigger the normal calculaton because they are affected by the redstone around them. So we check each possible channel around them instead.
{
case E_BLOCK_REDSTONE_TORCH_ON:
case E_BLOCK_REDSTONE_TORCH_OFF:
case E_BLOCK_AIR:
case E_BLOCK_PISTON_EXTENSION:
case E_BLOCK_PISTON:
case E_BLOCK_STICKY_PISTON:
{
m_Metadata = 0;
m_Direction = 0;
CalculateRedstone( fillx+1, filly, fillz );
m_Metadata = 0;
m_Direction = 1;
CalculateRedstone( fillx-1, filly, fillz );
m_Metadata = 0;
m_Direction = 2;
CalculateRedstone( fillx, filly, fillz+1 );
m_Metadata = 0;
m_Direction = 3;
CalculateRedstone( fillx, filly, fillz-1 );
m_Metadata = 0;
CalculateRedstone( fillx, filly-1, fillz );
break;
}
case E_BLOCK_REDSTONE_WIRE: //special case for redstone wire.
{
m_Direction = 0;
CalculateRedstone( fillx+1, filly, fillz );
m_Direction = 1;
CalculateRedstone( fillx-1, filly, fillz );
m_Direction = 2;
CalculateRedstone( fillx, filly, fillz+1 );
m_Direction = 3;
CalculateRedstone( fillx, filly, fillz-1 );
m_Metadata = 0;
CalculateRedstone( fillx, filly-1, fillz );
m_Direction = 4;
CalculateRedstone( fillx+1, filly+1, fillz );
CalculateRedstone( fillx-1, filly+1, fillz );
CalculateRedstone( fillx, filly+1, fillz+1 );
CalculateRedstone( fillx, filly+1, fillz-1 );
m_Direction = 5;
CalculateRedstone( fillx+1, filly-1, fillz );
CalculateRedstone( fillx-1, filly-1, fillz );
CalculateRedstone( fillx, filly-1, fillz+1 );
CalculateRedstone( fillx, filly-1, fillz-1 );
break;
}
}
//printf("done here\n");
}
void cRedstone::CalculateRedstone( int fillx, int filly, int fillz)
{
if ( ( (int)m_World->GetBlock( fillx, filly, fillz ) == E_BLOCK_STICKY_PISTON ) || ( (int)m_World->GetBlock( fillx, filly, fillz ) == E_BLOCK_PISTON ) ) {
char pistonMeta = m_World->GetBlockMeta( fillx, filly, fillz );
if (m_Metadata > 0) {
if (pistonMeta < 6) { // only extend if piston is not already extended
cPiston Piston(m_World);
Piston.ExtendPiston(fillx, filly, fillz);
}
} else {
if (pistonMeta > 6) { // only retract if piston is not already retracted
cPiston Piston(m_World);
Piston.RetractPiston(fillx, filly, fillz);
}
}
} else if ( ( (int)m_World->GetBlock( fillx, filly, fillz ) == E_ITEM_LEVER ) || ( (int)m_World->GetBlock( fillx, filly, fillz ) == E_ITEM_STONE_BUTTON ) ) {
if ( (int)m_World->GetBlockMeta( fillx, filly, fillz) > 6 ) { //button powered
m_Metadata = 15; //change meta to 15 only if redstone power device in on possition is found.
if ( ( (int)m_World->GetBlock( fillx-1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx-1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx-1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx+1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx+1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx+1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz-1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz-1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz-1);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz+1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz+1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz+1);
}
} else {
if ( ( (int)m_World->GetBlock( fillx-1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx-1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx-1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx+1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx+1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx+1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz-1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz-1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz-1);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz+1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz+1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz+1);
}
}
} else if ( ( (int)m_World->GetBlock( fillx, filly, fillz ) == E_BLOCK_STONE_PRESSURE_PLATE ) || ( (int)m_World->GetBlock( fillx, filly, fillz ) == E_BLOCK_STONE_BUTTON ) ) {
if ( (int)m_World->GetBlockMeta( fillx, filly, fillz) == 1 ) { //plate powered
m_Metadata = 15; //change meta to 15 only if redstone power device in on possition is found.
if ( ( (int)m_World->GetBlock( fillx-1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx-1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx-1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx+1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx+1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx+1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz-1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz-1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz-1);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz+1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz+1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz+1);
}
} else {
if ( ( (int)m_World->GetBlock( fillx-1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx-1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx-1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx+1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx+1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx+1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz-1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz-1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz-1);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz+1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz+1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz+1);
}
}
} else if ( (int)m_World->GetBlock( fillx, filly, fillz ) == E_BLOCK_REDSTONE_TORCH_ON ) { //If torch is on
//printf("found torch on\n");
m_Metadata = 15; //change meta to 15 only if redstone torch in on possition is found.
if ( ( (int)m_World->GetBlock( fillx-1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx-1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx-1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx+1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx+1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx+1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz-1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz-1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz-1);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz+1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz+1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz+1);
}
} else if ( (int)m_World->GetBlock( fillx, filly, fillz ) == E_BLOCK_REDSTONE_TORCH_OFF ) { //if the torch is off
//printf("found torch off\n");
// no need to change meta here.
if ( ( (int)m_World->GetBlock( fillx-1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx-1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx-1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx+1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx+1, filly, fillz) != m_Metadata ) ) {
CalculateRedstone(fillx+1,filly,fillz);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz-1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz-1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz-1);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz+1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz+1) != m_Metadata ) ) {
CalculateRedstone(fillx,filly,fillz+1);
}
} else if ( (int)m_World->GetBlock( fillx, filly, fillz ) == E_BLOCK_REDSTONE_WIRE ) { //simple fill algorithm for redstone wire.
if ( (int)m_World->GetBlockMeta( fillx, filly, fillz) != m_Metadata ) {
m_World->FastSetBlock( fillx, filly, fillz, (char)E_BLOCK_REDSTONE_WIRE, m_Metadata );
m_Direction = 0;
CalculateRedstone( fillx+1, filly, fillz );
m_Direction = 1;
CalculateRedstone( fillx-1, filly, fillz );
m_Direction = 2;
CalculateRedstone( fillx, filly, fillz+1 );
m_Direction = 3;
CalculateRedstone( fillx, filly, fillz-1 );
CalculateRedstone( fillx, filly-1, fillz ); //check one block below //similar to same plane
m_Direction = 4;
CalculateRedstone( fillx+1, filly+1, fillz );
CalculateRedstone( fillx-1, filly+1, fillz );
CalculateRedstone( fillx, filly+1, fillz+1 );
CalculateRedstone( fillx, filly+1, fillz-1 );
m_Direction = 5;
CalculateRedstone( fillx+1, filly-1, fillz );
CalculateRedstone( fillx-1, filly-1, fillz );
CalculateRedstone( fillx, filly-1, fillz+1 );
CalculateRedstone( fillx, filly-1, fillz-1 );
}
} else { //default, check item for torch attached to it. If meta > 0 then turn that torch off, otherwise turn it on. This change needs to be passed to the next world tick.
//check for torch to east with meta 1 //turn off
//check for torch to west with meta 2 //turn off
//check for torch to south with meta 3 //turn off
//check for torch to north with meta 4 //turn off
//check for torch above with meta 5 //turn off
if ( (int)m_World->GetBlock( fillx, filly, fillz ) != E_BLOCK_AIR ) {
if (m_Direction < 4) { //redstone wire can only power blocks on the same plane or directly below
if ( (int)m_Metadata > 0 ) { //wire powered
//printf("bird: %i dog: %i \n",(int)m_World->GetBlock( fillx, filly+1, fillz ),(int)m_World->GetBlockMeta( fillx, filly+1, fillz));
if ( ( (int)m_World->GetBlock( fillx+1, filly, fillz ) == E_BLOCK_REDSTONE_TORCH_ON) && ( (int)m_World->GetBlockMeta( fillx+1, filly, fillz) == 1 ) ) { //east
m_World->m_RSList.push_back(fillx+1);
m_World->m_RSList.push_back(filly);
m_World->m_RSList.push_back(fillz);
m_World->m_RSList.push_back(00000);
}
if ( ( (int)m_World->GetBlock( fillx-1, filly, fillz ) == E_BLOCK_REDSTONE_TORCH_ON) && ( (int)m_World->GetBlockMeta( fillx-1, filly, fillz) == 2 ) ) { //west
m_World->m_RSList.push_back(fillx-1);
m_World->m_RSList.push_back(filly);
m_World->m_RSList.push_back(fillz);
m_World->m_RSList.push_back(00000);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz+1 ) == E_BLOCK_REDSTONE_TORCH_ON) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz+1) == 3 ) ) { //south
m_World->m_RSList.push_back(fillx);
m_World->m_RSList.push_back(filly);
m_World->m_RSList.push_back(fillz+1);
m_World->m_RSList.push_back(00000);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz-1 ) == E_BLOCK_REDSTONE_TORCH_ON) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz-1) == 4 ) ) { //north
m_World->m_RSList.push_back(fillx);
m_World->m_RSList.push_back(filly);
m_World->m_RSList.push_back(fillz-1);
m_World->m_RSList.push_back(00000);
}
if ( ( (int)m_World->GetBlock( fillx, filly+1, fillz ) == E_BLOCK_REDSTONE_TORCH_ON) && ( (int)m_World->GetBlockMeta( fillx, filly+1, fillz) == 5 ) ) { //top
m_World->m_RSList.push_back(fillx);
m_World->m_RSList.push_back(filly+1);
m_World->m_RSList.push_back(fillz);
m_World->m_RSList.push_back(00000);
}
} else { //wire not powered
bool BlockPowered = IsBlockPowered( fillx, filly, fillz ); //chck this block for other wire turned on or torch turned on below:
if (BlockPowered == false) { //if block is not bowered by something else then I need to check for off torches and turn them on.
//printf("echo: %i cruiser: %i \n",(int)m_World->GetBlock( fillx, filly+1, fillz ),(int)m_World->GetBlockMeta( fillx, filly+1, fillz));
if ( ( (int)m_World->GetBlock( fillx+1, filly, fillz ) == E_BLOCK_REDSTONE_TORCH_OFF) && ( (int)m_World->GetBlockMeta( fillx+1, filly, fillz) == 1 ) ) { //east
m_World->m_RSList.push_back(fillx+1);
m_World->m_RSList.push_back(filly);
m_World->m_RSList.push_back(fillz);
m_World->m_RSList.push_back(11111);
}
if ( ( (int)m_World->GetBlock( fillx-1, filly, fillz ) == E_BLOCK_REDSTONE_TORCH_OFF) && ( (int)m_World->GetBlockMeta( fillx-1, filly, fillz) == 2 ) ) { //west
m_World->m_RSList.push_back(fillx-1);
m_World->m_RSList.push_back(filly);
m_World->m_RSList.push_back(fillz);
m_World->m_RSList.push_back(11111);
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz+1 ) == E_BLOCK_REDSTONE_TORCH_OFF) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz+1) == 3 ) ) { //south
m_World->m_RSList.push_back(fillx);
m_World->m_RSList.push_back(filly);
m_World->m_RSList.push_back(fillz+1);
m_World->m_RSList.push_back(11111);;
}
if ( ( (int)m_World->GetBlock( fillx, filly, fillz-1 ) == E_BLOCK_REDSTONE_TORCH_OFF) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz-1) == 4 ) ) { //north
m_World->m_RSList.push_back(fillx);
m_World->m_RSList.push_back(filly);
m_World->m_RSList.push_back(fillz-1);
m_World->m_RSList.push_back(11111);
}
if ( ( (int)m_World->GetBlock( fillx, filly+1, fillz ) == E_BLOCK_REDSTONE_TORCH_OFF) && ( (int)m_World->GetBlockMeta( fillx, filly+1, fillz) == 5 ) ) { //top
m_World->m_RSList.push_back(fillx);
m_World->m_RSList.push_back(filly+1);
m_World->m_RSList.push_back(fillz);
m_World->m_RSList.push_back(11111);
}
}
}
}
}
}
}
bool cRedstone::IsBlockPowered( int fillx, int filly, int fillz )
{
if ( (int)m_World->GetBlock( fillx, filly-1, fillz ) == E_BLOCK_REDSTONE_TORCH_ON) { return true; }
if ( (int)m_World->GetBlock( fillx+1, filly, fillz ) == E_BLOCK_REDSTONE_TORCH_ON) { return true; }
if ( (int)m_World->GetBlock( fillx-1, filly, fillz ) == E_BLOCK_REDSTONE_TORCH_ON) { return true; }
if ( (int)m_World->GetBlock( fillx, filly, fillz+1 ) == E_BLOCK_REDSTONE_TORCH_ON) { return true; }
if ( (int)m_World->GetBlock( fillx, filly, fillz-1 ) == E_BLOCK_REDSTONE_TORCH_ON) { return true; }
if ( ( (int)m_World->GetBlock( fillx+1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx+1, filly, fillz) > 0 ) ) { return true; }
if ( ( (int)m_World->GetBlock( fillx-1, filly, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx-1, filly, fillz) > 0 ) ) { return true; }
if ( ( (int)m_World->GetBlock( fillx, filly, fillz+1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz+1) > 0 ) ) { return true; }
if ( ( (int)m_World->GetBlock( fillx, filly, fillz-1 ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly, fillz-1) > 0 ) ) { return true; }
if ( ( (int)m_World->GetBlock( fillx, filly+1, fillz ) == E_BLOCK_REDSTONE_WIRE) && ( (int)m_World->GetBlockMeta( fillx, filly+1, fillz) > 0 ) ) { return true; }
return false;
}
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