diff options
Diffstat (limited to 'source/cWaterSimulator.cpp')
| -rw-r--r-- | source/cWaterSimulator.cpp | 301 |
1 files changed, 9 insertions, 292 deletions
diff --git a/source/cWaterSimulator.cpp b/source/cWaterSimulator.cpp index 9b41e42b9..372328914 100644 --- a/source/cWaterSimulator.cpp +++ b/source/cWaterSimulator.cpp @@ -1,306 +1,23 @@ #include "cWaterSimulator.h"
-#include "cWorld.h"
-#include "Vector3i.h"
-#include "BlockID.h"
#include "Defines.h"
-#include <vector>
-class cWaterSimulator::WaterData
-{
-public:
- WaterData( cWorld* a_World )
- : m_ActiveWater( 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 bWaterFound = 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( IsBlockWater(Block2) && ( Block1 == E_BLOCK_AIR || IsBlockWater(Block1) ) )
- {
- bWaterFound = true;
- }
- }
- if( Points.size() == 0 && !bWaterFound )
- {
- 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_WATER || Block == E_BLOCK_STATIONARY_WATER )
- Points.push_back( LevelPoints[i] );
- }
- }
- return Points;
- }
-
- std::vector< Vector3i >* m_ActiveWater;
- std::vector< Vector3i >* m_Buffer;
- cWorld* m_World;
-};
-
-cWaterSimulator::cWaterSimulator( cWorld* a_World )
- : m_World( a_World )
- , m_Data( new WaterData( a_World ) )
+cWaterSimulator::cWaterSimulator(cWorld *a_World)
+ : cFluidSimulator(a_World)
{
+ m_FluidBlock = E_BLOCK_WATER;
+ m_MaxHeight = 7;
+ m_FlowReduction = 1;
}
-cWaterSimulator::~cWaterSimulator()
-{
-}
-void cWaterSimulator::WakeUp( int a_X, int a_Y, int a_Z )
+bool cWaterSimulator::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 );
-}
-
-void cWaterSimulator::AddBlock( int a_X, int a_Y, int a_Z )
-{
- // Check for duplicates
- std::vector< Vector3i > & ActiveWater = *m_Data->m_ActiveWater;
- for( std::vector< Vector3i >::iterator itr = ActiveWater.begin(); itr != ActiveWater.end(); ++itr )
- {
- Vector3i & pos = *itr;
- if( pos.x == a_X && pos.y == a_Y && pos.z == a_Z )
- return;
- }
-
- ActiveWater.push_back( Vector3i( a_X, a_Y, a_Z ) );
-}
-
-char cWaterSimulator::GetHighestLevelAround( int a_X, int a_Y, int a_Z )
-{
- char Max = 8;
-#define __HIGHLEVEL_CHECK__( x, y, z ) \
- if( IsWaterBlock( 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 cWaterSimulator::Simulate( float a_Dt )
-{
- m_Timer += a_Dt;
-
- if(m_Data->m_ActiveWater->empty()) //Nothing to do if there is no ActiveWater ;) saves very little time ;D
- return;
-
- std::swap( m_Data->m_ActiveWater, m_Data->m_Buffer ); // Swap so blocks can be added to empty ActiveWater array
- m_Data->m_ActiveWater->clear();
-
- std::vector< Vector3i > & WaterBlocks = *m_Data->m_Buffer;
- for( std::vector< Vector3i >::iterator itr = WaterBlocks.begin(); itr != WaterBlocks.end(); ++itr )
- {
- Vector3i & pos = *itr;
- char BlockID = m_World->GetBlock( pos.x, pos.y, pos.z );
- if( IsWaterBlock( BlockID ) ) // only care about water
- {
- bool bIsFed = false;
- char Meta = m_World->GetBlockMeta( pos.x, pos.y, pos.z );
- char Feed = Meta;
- if( Meta == 8 ) // Falling water
- {
- if( IsWaterBlock( m_World->GetBlock(pos.x, pos.y+1, pos.z) ) ) // Block above is water
- {
- bIsFed = true;
- Meta = 0; // Make it a full block
- }
- }
- else if( Meta == 0 ) // It's a full block, so it's always fed
- {
- 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 || IsWaterBlock( DownID ) ) // free for water
- {
- m_World->FastSetBlock( pos.x, pos.y-1, pos.z, E_BLOCK_WATER, 8 ); // falling
- AddBlock( pos.x, pos.y-1, pos.z );
- }
- else // Not falling water
- {
- if( Feed+1 < Meta )
- {
- m_World->FastSetBlock( pos.x, pos.y, pos.z, E_BLOCK_WATER, Feed+1 );
- AddBlock( pos.x, pos.y, pos.z );
- }
- else if( Meta < 7 ) // 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( !IsWaterBlock( BlockID ) )
- {
- if( p.y == pos.y )
- m_World->FastSetBlock(p.x, p.y, p.z, E_BLOCK_WATER, Meta+1);
- else
- m_World->FastSetBlock(p.x, p.y, p.z, E_BLOCK_WATER, 8);
- AddBlock( p.x, p.y, p.z );
- }
- else // it's water
- {
- char PointMeta = m_World->GetBlockMeta( p.x, p.y, p.z );
- if( PointMeta > Meta+1 )
- {
- 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 );
- }
- }
- }
+ return IsBlockWater(a_BlockID);
}
-bool cWaterSimulator::IsWaterBlock( char a_BlockID )
-{
- return a_BlockID == E_BLOCK_WATER || a_BlockID == E_BLOCK_STATIONARY_WATER;
-}
-//TODO Not working very well yet :s
-Direction cWaterSimulator::GetFlowingDirection(int a_X, int a_Y, int a_Z, bool a_Over)
+bool cWaterSimulator::IsPassableForFluid(char a_BlockID)
{
- char BlockID = m_World->GetBlock(a_X, a_Y, a_Z);
- if(!IsBlockWater(BlockID)) //No Water -> No Flowing direction :D
- return NONE;
-
-
- /*
- Disabled because of causing problems and beeing useless atm
- char BlockBelow = m_World->GetBlock(a_X, a_Y - 1, a_Z); //If there is nothing or water below it -> dominating flow is down :D
- if(BlockBelow == E_BLOCK_AIR || IsBlockWater(BlockBelow))
- return Y_MINUS;
- */
-
- char LowestPoint = m_World->GetBlockMeta(a_X, a_Y, a_Z); //Current Block Meta so only lower points will be counted
- int X, Y, Z; //Lowest Pos will be stored here
-
- if(IsBlockWater(m_World->GetBlock(a_X, a_Y + 1, a_Z)) && a_Over) //check for upper block to flow because this also affects the flowing direction
- {
- return GetFlowingDirection(a_X, a_Y + 1, a_Z, false);
- }
-
- std::vector< Vector3i * > Points;
-
- //add blocks around the checking pos
- Points.push_back(new Vector3i(a_X - 1, a_Y, a_Z));
- Points.push_back(new Vector3i(a_X + 1, a_Y, a_Z));
- Points.push_back(new Vector3i(a_X, a_Y, a_Z + 1));
- Points.push_back(new Vector3i(a_X, a_Y, a_Z - 1));
-
- for(std::vector<Vector3i *>::iterator it = Points.begin(); it < Points.end(); it++)
- {
- Vector3i *Pos = (*it);
- char BlockID = m_World->GetBlock(Pos->x, Pos->y, Pos->z);
- if(IsBlockWater(BlockID))
- {
- char Meta = m_World->GetBlockMeta(Pos->x, Pos->y, Pos->z);
-
- if(Meta > LowestPoint)
- {
- LowestPoint = Meta;
- X = Pos->x;
- Y = Pos->y;
- Z = Pos->z;
- }
- }else if(BlockID == E_BLOCK_AIR)
- {
- LowestPoint = 9; //This always dominates
- X = Pos->x;
- Y = Pos->y;
- Z = Pos->z;
-
- }
- delete Pos;
- }
-
-
- if(LowestPoint == m_World->GetBlockMeta(a_X, a_Y, a_Z))
- return NONE;
-
- if(a_X - X > 0)
- {
- return X_MINUS;
- }
-
- if(a_X - X < 0)
- {
- return X_PLUS;
- }
-
- if(a_Z - Z > 0)
- {
- return Z_MINUS;
- }
-
- if(a_Z - Z < 0)
- {
- return Z_PLUS;
- }
-
- return NONE;
-
-
+ return ( a_BlockID == E_BLOCK_AIR || IsAllowedBlock(a_BlockID) );
}
\ No newline at end of file |