diff options
Diffstat (limited to 'source/cLavaSimulator.cpp')
| -rw-r--r-- | source/cLavaSimulator.cpp | 215 |
1 files changed, 11 insertions, 204 deletions
diff --git a/source/cLavaSimulator.cpp b/source/cLavaSimulator.cpp index e8dbb4126..35a498ee7 100644 --- a/source/cLavaSimulator.cpp +++ b/source/cLavaSimulator.cpp @@ -1,216 +1,23 @@ #include "cLavaSimulator.h"
-#include "cWorld.h"
-#include "Vector3i.h"
-#include "BlockID.h"
-#include <vector>
+#include "Defines.h"
-class cLavaSimulator::LavaData
-{
-public:
- LavaData( cWorld* a_World )
- : m_ActiveLava( new std::vector< Vector3i >() )
- , m_Buffer( new std::vector< Vector3i >() )
- , m_World( a_World )
- {}
-
- std::vector< Vector3i > GetLowestPoints( int a_X, int a_Y, int a_Z )
- {
- std::vector< Vector3i > Points;
- if( m_World->GetBlock(a_X, a_Y-1, a_Z) == E_BLOCK_AIR )
- {
- Points.push_back( Vector3i( a_X, a_Y-1, a_Z ) );
- return Points;
- }
-
- Vector3i LowerPoints [] = {
- Vector3i( a_X-1, a_Y-1, a_Z ),
- Vector3i( a_X+1, a_Y-1, a_Z ),
- Vector3i( a_X, a_Y-1, a_Z-1 ),
- Vector3i( a_X, a_Y-1, a_Z+1 ),
- };
- bool bLavaFound = false;
- for( int i = 0; i < 4; ++i )
- {
- char Block1 = m_World->GetBlock( LowerPoints[i].x, LowerPoints[i].y, LowerPoints[i].z );
- char Block2 = m_World->GetBlock( LowerPoints[i].x, a_Y, LowerPoints[i].z );
- if( Block1 == E_BLOCK_AIR && Block2 == E_BLOCK_AIR )
- {
- Points.push_back( LowerPoints[i] );
- LowerPoints[i].y = a_Y;
- Points.push_back( LowerPoints[i] );
- }
- else if( (Block2 == E_BLOCK_LAVA || Block2 == E_BLOCK_STATIONARY_LAVA ) && ( Block1 == E_BLOCK_AIR || Block1 == E_BLOCK_LAVA || Block1 == E_BLOCK_STATIONARY_LAVA ) )
- {
- bLavaFound = true;
- }
- }
- if( Points.size() == 0 && !bLavaFound )
- {
- Vector3i LevelPoints [] = {
- Vector3i( a_X-1, a_Y, a_Z ),
- Vector3i( a_X+1, a_Y, a_Z ),
- Vector3i( a_X, a_Y, a_Z-1 ),
- Vector3i( a_X, a_Y, a_Z+1 ),
- };
- for( int i = 0; i < 4; ++i )
- {
- char Block = m_World->GetBlock( LevelPoints[i].x, a_Y, LevelPoints[i].z );
- if( Block == E_BLOCK_AIR || Block == E_BLOCK_LAVA || Block == E_BLOCK_STATIONARY_LAVA )
- Points.push_back( LevelPoints[i] );
- }
- }
- return Points;
- }
-
- std::vector< Vector3i >* m_ActiveLava;
- std::vector< Vector3i >* m_Buffer;
- cWorld* m_World;
-};
-
-cLavaSimulator::cLavaSimulator( cWorld* a_World )
- : m_World( a_World )
- , m_Data( new LavaData( a_World ) )
+cLavaSimulator::cLavaSimulator(cWorld *a_World)
+ : cFluidSimulator(a_World)
{
+ m_FluidBlock = E_BLOCK_LAVA;
+ m_MaxHeight = 6;
+ m_FlowReduction = 2;
}
-cLavaSimulator::~cLavaSimulator()
-{
-}
-void cLavaSimulator::WakeUp( int a_X, int a_Y, int a_Z )
+bool cLavaSimulator::IsAllowedBlock(char a_BlockID)
{
- AddBlock( a_X, a_Y, a_Z );
- AddBlock( a_X-1, a_Y, a_Z );
- AddBlock( a_X+1, a_Y, a_Z );
- AddBlock( a_X, a_Y-1, a_Z );
- AddBlock( a_X, a_Y+1, a_Z );
- AddBlock( a_X, a_Y, a_Z-1 );
- AddBlock( a_X, a_Y, a_Z+1 );
+ return IsBlockLava(a_BlockID);
}
-void cLavaSimulator::AddBlock( int a_X, int a_Y, int a_Z )
-{
- // Check for duplicates
- std::vector< Vector3i > & ActiveLava = *m_Data->m_ActiveLava;
- for( std::vector< Vector3i >::iterator itr = ActiveLava.begin(); itr != ActiveLava.end(); ++itr )
- {
- Vector3i & pos = *itr;
- if( pos.x == a_X && pos.y == a_Y && pos.z == a_Z )
- return;
- }
-
- ActiveLava.push_back( Vector3i( a_X, a_Y, a_Z ) );
-}
-char cLavaSimulator::GetHighestLevelAround( int a_X, int a_Y, int a_Z )
+bool cLavaSimulator::IsPassableForFluid(char a_BlockID)
{
- char Max = 8;
-#define __HIGHLEVEL_CHECK__( x, y, z ) \
- if( IsLavaBlock( m_World->GetBlock( x, y, z ) ) ) \
- { \
- char Meta; \
- if( (Meta = m_World->GetBlockMeta( x, y, z ) ) < Max ) Max = Meta; \
- else if( Meta == 8 ) Max = 0; \
- if( Max == 0 ) return 0; \
- }
-
- __HIGHLEVEL_CHECK__( a_X-1, a_Y, a_Z );
- __HIGHLEVEL_CHECK__( a_X+1, a_Y, a_Z );
- __HIGHLEVEL_CHECK__( a_X, a_Y, a_Z-1 );
- __HIGHLEVEL_CHECK__( a_X, a_Y, a_Z+1 );
-
- return Max;
-}
-
-void cLavaSimulator::Simulate( float a_Dt )
-{
- m_Timer += a_Dt;
-
- std::swap( m_Data->m_ActiveLava, m_Data->m_Buffer ); // Swap so blocks can be added to empty ActiveLava array
- m_Data->m_ActiveLava->clear();
-
- std::vector< Vector3i > & LavaBlocks = *m_Data->m_Buffer;
- for( std::vector< Vector3i >::iterator itr = LavaBlocks.begin(); itr != LavaBlocks.end(); ++itr )
- {
- Vector3i & pos = *itr;
- char BlockID = m_World->GetBlock( pos.x, pos.y, pos.z );
- if( IsLavaBlock( BlockID ) ) // only care about lava
- {
- bool bIsFed = false;
- char Meta = m_World->GetBlockMeta( pos.x, pos.y, pos.z );
- char Feed = Meta;
- if( Meta == 8 ) // Falling lava
- {
- if( IsLavaBlock( m_World->GetBlock(pos.x, pos.y+1, pos.z) ) ) // Block above is lava
- {
- bIsFed = true;
- Meta = 0; // Make it a full block
- }
- }
- else if( Meta <= 2 )
- {
- bIsFed = true;
- }
- else
- {
- if( (Feed = GetHighestLevelAround( pos.x, pos.y, pos.z )) < Meta )
- bIsFed = true;
- }
-
-
- if( bIsFed )
- {
- char DownID = m_World->GetBlock( pos.x, pos.y-1, pos.z );
- if( DownID == E_BLOCK_AIR || IsLavaBlock( DownID ) ) // free for Lava
- {
- m_World->FastSetBlock( pos.x, pos.y-1, pos.z, E_BLOCK_LAVA, 8 ); // falling
- AddBlock( pos.x, pos.y-1, pos.z );
- }
- else // Not falling Lava
- {
- if( Feed+2 < Meta )
- {
- m_World->FastSetBlock( pos.x, pos.y, pos.z, E_BLOCK_LAVA, Feed+2 );
- AddBlock( pos.x, pos.y, pos.z );
- }
- else if( Meta < 6 ) // 7 is only 1 unit high, so it cannot spread, lower than 7 can though.
- {
- std::vector< Vector3i > Points = m_Data->GetLowestPoints( pos.x, pos.y, pos.z );
- for( std::vector< Vector3i >::iterator itr = Points.begin(); itr != Points.end(); ++itr )
- {
- Vector3i & p = *itr;
- char BlockID = m_World->GetBlock( p.x, p.y, p.z );
- if( !IsLavaBlock( BlockID ) )
- {
- if( p.y == pos.y )
- m_World->FastSetBlock(p.x, p.y, p.z, E_BLOCK_LAVA, Meta+2);
- else
- m_World->FastSetBlock(p.x, p.y, p.z, E_BLOCK_LAVA, 8);
- AddBlock( p.x, p.y, p.z );
- }
- else // it's Lava
- {
- char PointMeta = m_World->GetBlockMeta( p.x, p.y, p.z );
- if( PointMeta > Meta+2 )
- {
- AddBlock( p.x, p.y, p.z );
- }
- }
- }
- }
- }
- }
- else // not fed
- {
- m_World->FastSetBlock( pos.x, pos.y, pos.z, E_BLOCK_AIR, 0 );
- WakeUp( pos.x, pos.y, pos.z );
- }
- }
- }
-}
-
-bool cLavaSimulator::IsLavaBlock( char a_BlockID )
-{
- return a_BlockID == E_BLOCK_LAVA || a_BlockID == E_BLOCK_STATIONARY_LAVA;
-}
+ return ( a_BlockID == E_BLOCK_AIR || IsAllowedBlock(a_BlockID) );
+}
\ No newline at end of file |