void cMonster::InStateIdle(std::chrono::milliseconds a_Dt)
{
if (m_IsFollowingPath)
{
return; // Still getting there
}
m_IdleInterval += a_Dt;
if (m_IdleInterval > std::chrono::seconds(1))
{
// At this interval the results are predictable
int rem = m_World->GetTickRandomNumber(6) + 1;
m_IdleInterval -= std::chrono::seconds(1); // So nothing gets dropped when the server hangs for a few seconds
Vector3d Dist;
Dist.x = (double)m_World->GetTickRandomNumber(10) - 5;
Dist.z = (double)m_World->GetTickRandomNumber(10) - 5;
if ((Dist.SqrLength() > 2) && (rem >= 3))
{
Vector3d Destination(GetPosX() + Dist.x, 0, GetPosZ() + Dist.z);
Destination.y = FindFirstNonAirBlockPosition(Destination.x, Destination.z);
MoveToPosition(Destination);
}
}
}
void cMonster::InStateIdle(float a_Dt)
{
if (m_bMovingToDestination)
{
return; // Still getting there
}
m_IdleInterval += a_Dt;
if (m_IdleInterval > 1)
{
// At this interval the results are predictable
int rem = m_World->GetTickRandomNumber(6) + 1;
m_IdleInterval -= 1; // So nothing gets dropped when the server hangs for a few seconds
Vector3d Dist;
Dist.x = (double)m_World->GetTickRandomNumber(10) - 5;
Dist.z = (double)m_World->GetTickRandomNumber(10) - 5;
if ((Dist.SqrLength() > 2) && (rem >= 3))
{
Vector3d Destination(GetPosX() + Dist.x, 0, GetPosZ() + Dist.z);
int NextHeight = FindFirstNonAirBlockPosition(Destination.x, Destination.z);
if (IsNextYPosReachable(NextHeight))
{
Destination.y = NextHeight;
MoveToPosition(Destination);
}
}
}
}
void cMonster::SetPitchAndYawFromDestination()
{
Vector3d FinalDestination = m_FinalDestination;
if (m_Target != NULL)
{
if (m_Target->IsPlayer())
{
FinalDestination.y = ((cPlayer *)m_Target)->GetStance();
}
else
{
FinalDestination.y = GetHeight();
}
}
Vector3d Distance = FinalDestination - GetPosition();
if (Distance.SqrLength() > 0.1f)
{
{
double Rotation, Pitch;
Distance.Normalize();
VectorToEuler(Distance.x, Distance.y, Distance.z, Rotation, Pitch);
SetHeadYaw(Rotation);
SetPitch(-Pitch);
}
{
Vector3d BodyDistance = m_Destination - GetPosition();
double Rotation, Pitch;
Distance.Normalize();
VectorToEuler(BodyDistance.x, BodyDistance.y, BodyDistance.z, Rotation, Pitch);
SetYaw(Rotation);
}
}
}
void cMonster::InStateIdle(std::chrono::milliseconds a_Dt, cChunk & a_Chunk)
{
if (m_PathfinderActivated)
{
return; // Still getting there
}
m_IdleInterval += a_Dt;
if (m_IdleInterval > std::chrono::seconds(1))
{
// At this interval the results are predictable
int rem = m_World->GetTickRandomNumber(6) + 1;
m_IdleInterval -= std::chrono::seconds(1); // So nothing gets dropped when the server hangs for a few seconds
Vector3d Dist;
Dist.x = static_cast<double>(m_World->GetTickRandomNumber(10)) - 5.0;
Dist.z = static_cast<double>(m_World->GetTickRandomNumber(10)) - 5.0;
if ((Dist.SqrLength() > 2) && (rem >= 3))
{
Vector3d Destination(GetPosX() + Dist.x, GetPosition().y, GetPosZ() + Dist.z);
cChunk * Chunk = a_Chunk.GetNeighborChunk(static_cast<int>(Destination.x), static_cast<int>(Destination.z));
if ((Chunk == nullptr) || !Chunk->IsValid())
{
return;
}
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
int RelX = static_cast<int>(Destination.x) - Chunk->GetPosX() * cChunkDef::Width;
int RelZ = static_cast<int>(Destination.z) - Chunk->GetPosZ() * cChunkDef::Width;
int YBelowUs = static_cast<int>(Destination.y) - 1;
if (YBelowUs >= 0)
{
Chunk->GetBlockTypeMeta(RelX, YBelowUs, RelZ, BlockType, BlockMeta);
if (BlockType != E_BLOCK_STATIONARY_WATER) // Idle mobs shouldn't enter water on purpose
{
MoveToPosition(Destination);
}
}
}
}
}
void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
{
int BlockX = POSX_TOINT;
int BlockY = POSY_TOINT;
int BlockZ = POSZ_TOINT;
// Position changed -> super::HandlePhysics() called
GET_AND_VERIFY_CURRENT_CHUNK(NextChunk, BlockX, BlockZ)
// TODO Add collision detection with entities.
a_Dt /= 1000; // Convert from msec to sec
Vector3d NextPos = Vector3d(GetPosX(), GetPosY(), GetPosZ());
Vector3d NextSpeed = Vector3d(GetSpeedX(), GetSpeedY(), GetSpeedZ());
if ((BlockY >= cChunkDef::Height) || (BlockY < 0))
{
// Outside of the world
AddSpeedY(m_Gravity * a_Dt);
AddPosition(GetSpeed() * a_Dt);
return;
}
int RelBlockX = BlockX - (NextChunk->GetPosX() * cChunkDef::Width);
int RelBlockZ = BlockZ - (NextChunk->GetPosZ() * cChunkDef::Width);
BLOCKTYPE BlockIn = NextChunk->GetBlock( RelBlockX, BlockY, RelBlockZ );
BLOCKTYPE BlockBelow = (BlockY > 0) ? NextChunk->GetBlock(RelBlockX, BlockY - 1, RelBlockZ) : E_BLOCK_AIR;
if (!cBlockInfo::IsSolid(BlockIn)) // Making sure we are not inside a solid block
{
if (m_bOnGround) // check if it's still on the ground
{
if (!cBlockInfo::IsSolid(BlockBelow)) // Check if block below is air or water.
{
m_bOnGround = false;
}
}
}
else
{
// Push out entity.
BLOCKTYPE GotBlock;
static const struct
{
int x, y, z;
} gCrossCoords[] =
{
{ 1, 0, 0},
{-1, 0, 0},
{ 0, 0, 1},
{ 0, 0, -1},
} ;
bool IsNoAirSurrounding = true;
for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
{
if (!NextChunk->UnboundedRelGetBlockType(RelBlockX + gCrossCoords[i].x, BlockY, RelBlockZ + gCrossCoords[i].z, GotBlock))
{
// The pickup is too close to an unloaded chunk, bail out of any physics handling
return;
}
if (!cBlockInfo::IsSolid(GotBlock))
{
NextPos.x += gCrossCoords[i].x;
NextPos.z += gCrossCoords[i].z;
IsNoAirSurrounding = false;
break;
}
} // for i - gCrossCoords[]
if (IsNoAirSurrounding)
{
NextPos.y += 0.5;
}
m_bOnGround = true;
/*
// DEBUG:
LOGD("Entity #%d (%s) is inside a block at {%d, %d, %d}",
m_UniqueID, GetClass(), BlockX, BlockY, BlockZ
);
*/
}
if (!m_bOnGround)
{
float fallspeed;
if (IsBlockWater(BlockIn))
{
fallspeed = m_Gravity * a_Dt / 3; // Fall 3x slower in water.
}
else if (BlockIn == E_BLOCK_COBWEB)
{
NextSpeed.y *= 0.05; // Reduce overall falling speed
fallspeed = 0; // No falling.
}
else
{
// Normal gravity
fallspeed = m_Gravity * a_Dt;
}
NextSpeed.y += fallspeed;
}
else
{
// Friction
if (NextSpeed.SqrLength() > 0.0004f)
{
NextSpeed.x *= 0.7f / (1 + a_Dt);
if (fabs(NextSpeed.x) < 0.05)
{
NextSpeed.x = 0;
}
NextSpeed.z *= 0.7f / (1 + a_Dt);
if (fabs(NextSpeed.z) < 0.05)
{
NextSpeed.z = 0;
}
}
}
// Adjust X and Z speed for COBWEB temporary. This speed modification should be handled inside block handlers since we
// might have different speed modifiers according to terrain.
if (BlockIn == E_BLOCK_COBWEB)
{
NextSpeed.x *= 0.25;
NextSpeed.z *= 0.25;
}
//Get water direction
Direction WaterDir = m_World->GetWaterSimulator()->GetFlowingDirection(BlockX, BlockY, BlockZ);
m_WaterSpeed *= 0.9f; //Reduce speed each tick
switch(WaterDir)
{
case X_PLUS:
m_WaterSpeed.x = 0.2f;
m_bOnGround = false;
break;
case X_MINUS:
m_WaterSpeed.x = -0.2f;
m_bOnGround = false;
break;
case Z_PLUS:
m_WaterSpeed.z = 0.2f;
m_bOnGround = false;
break;
case Z_MINUS:
m_WaterSpeed.z = -0.2f;
m_bOnGround = false;
break;
default:
break;
}
if (fabs(m_WaterSpeed.x) < 0.05)
{
m_WaterSpeed.x = 0;
}
if (fabs(m_WaterSpeed.z) < 0.05)
{
m_WaterSpeed.z = 0;
}
NextSpeed += m_WaterSpeed;
if (NextSpeed.SqrLength() > 0.f)
{
cTracer Tracer(GetWorld());
// Distance traced is an integer, so we round up from the distance we should go (Speed * Delta), else we will encounter collision detection failurse
int DistanceToTrace = (int)(ceil((NextSpeed * a_Dt).SqrLength()) * 2);
bool HasHit = Tracer.Trace(NextPos, NextSpeed, DistanceToTrace);
if (HasHit)
{
// Oh noez! We hit something: verify that the (hit position - current) was smaller or equal to the (position that we should travel without obstacles - current)
// This is because previously, we traced with a length that was rounded up (due to integer limitations), and in the case that something was hit, we don't want to overshoot our projected movement
if ((Tracer.RealHit - NextPos).SqrLength() <= (NextSpeed * a_Dt).SqrLength())
{
// Block hit was within our projected path
// Begin by stopping movement in the direction that we hit something. The Normal is the line perpendicular to a 2D face and in this case, stores what block face was hit through either -1 or 1.
// For example: HitNormal.y = -1 : BLOCK_FACE_YM; HitNormal.y = 1 : BLOCK_FACE_YP
if (Tracer.HitNormal.x != 0.f) NextSpeed.x = 0.f;
if (Tracer.HitNormal.y != 0.f) NextSpeed.y = 0.f;
if (Tracer.HitNormal.z != 0.f) NextSpeed.z = 0.f;
if (Tracer.HitNormal.y == 1) // Hit BLOCK_FACE_YP, we are on the ground
{
m_bOnGround = true;
}
// Now, set our position to the hit block (i.e. move part way along our intended trajectory)
NextPos.Set(Tracer.RealHit.x, Tracer.RealHit.y, Tracer.RealHit.z);
NextPos.x += Tracer.HitNormal.x * 0.1;
NextPos.y += Tracer.HitNormal.y * 0.05;
NextPos.z += Tracer.HitNormal.z * 0.1;
}
else
{
// We have hit a block but overshot our intended trajectory, move normally, safe in the warm cocoon of knowledge that we won't appear to teleport forwards on clients,
// and that this piece of software will come to be hailed as the epitome of performance and functionality in C++, never before seen, and of such a like that will never
// be henceforth seen again in the time of programmers and man alike
// </&sensationalist>
NextPos += (NextSpeed * a_Dt);
}
}
else
{
// We didn't hit anything, so move =]
NextPos += (NextSpeed * a_Dt);
}
}
SetPosition(NextPos);
SetSpeed(NextSpeed);
}
void cMonster::Tick(float a_Dt, cChunk & a_Chunk)
{
super::Tick(a_Dt, a_Chunk);
if (m_Health <= 0)
{
// The mob is dead, but we're still animating the "puff" they leave when they die
m_DestroyTimer += a_Dt / 1000;
if (m_DestroyTimer > 1)
{
Destroy(true);
}
return;
}
// Burning in daylight
HandleDaylightBurning(a_Chunk);
HandlePhysics(a_Dt,a_Chunk);
BroadcastMovementUpdate();
a_Dt /= 1000;
if (m_bMovingToDestination)
{
Vector3f Pos( GetPosition() );
Vector3f Distance = m_Destination - Pos;
if( !ReachedDestination() )
{
Distance.y = 0;
Distance.Normalize();
Distance *= 3;
SetSpeedX( Distance.x );
SetSpeedZ( Distance.z );
if (m_EMState == ESCAPING)
{ //Runs Faster when escaping :D otherwise they just walk away
SetSpeedX (GetSpeedX() * 2.f);
SetSpeedZ (GetSpeedZ() * 2.f);
}
}
else
{
m_bMovingToDestination = false;
}
if( GetSpeed().SqrLength() > 0.f )
{
if( m_bOnGround )
{
Vector3f NormSpeed = Vector3f(GetSpeed()).NormalizeCopy();
Vector3f NextBlock = Vector3f( GetPosition() ) + NormSpeed;
int NextHeight;
if (!m_World->TryGetHeight((int)NextBlock.x, (int)NextBlock.z, NextHeight))
{
// The chunk at NextBlock is not loaded
return;
}
if( NextHeight > (GetPosY() - 1.0) && (NextHeight - GetPosY()) < 2.5 )
{
m_bOnGround = false;
SetSpeedY(5.f); // Jump!!
}
}
}
}
Vector3d Distance = m_Destination - GetPosition();
if (Distance.SqrLength() > 0.1f)
{
double Rotation, Pitch;
Distance.Normalize();
VectorToEuler( Distance.x, Distance.y, Distance.z, Rotation, Pitch );
SetHeadYaw (Rotation);
SetRotation( Rotation );
SetPitch( -Pitch );
}
switch (m_EMState)
{
case IDLE:
{
// If enemy passive we ignore checks for player visibility
InStateIdle(a_Dt);
break;
}
case CHASING:
{
// If we do not see a player anymore skip chasing action
InStateChasing(a_Dt);
break;
}
case ESCAPING:
{
InStateEscaping(a_Dt);
break;
}
} // switch (m_EMState)
}
void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
{
// TODO Add collision detection with entities.
a_Dt /= 1000;
Vector3d NextPos = Vector3d(GetPosX(),GetPosY(),GetPosZ());
Vector3d NextSpeed = Vector3d(GetSpeedX(),GetSpeedY(),GetSpeedZ());
int BlockX = (int) floor(NextPos.x);
int BlockY = (int) floor(NextPos.y);
int BlockZ = (int) floor(NextPos.z);
if ((BlockY >= cChunkDef::Height) || (BlockY < 0))
{
// Outside of the world
// TODO: Current speed should still be added to the entity position
// Otherwise TNT explosions in the void will still effect the bottommost layers of the world
return;
}
// Make sure we got the correct chunk and a valid one. No one ever knows...
cChunk * NextChunk = a_Chunk.GetNeighborChunk(BlockX,BlockZ);
if (NextChunk != NULL)
{
int RelBlockX = BlockX - (NextChunk->GetPosX() * cChunkDef::Width);
int RelBlockZ = BlockZ - (NextChunk->GetPosZ() * cChunkDef::Width);
BLOCKTYPE BlockIn = NextChunk->GetBlock( RelBlockX, BlockY, RelBlockZ );
if (!g_BlockIsSolid[BlockIn]) // Making sure we are not inside a solid block
{
if (m_bOnGround) // check if it's still on the ground
{
BLOCKTYPE BlockBelow = NextChunk->GetBlock( RelBlockX, BlockY - 1, RelBlockZ );
if (!g_BlockIsSolid[BlockBelow]) // Check if block below is air or water.
{
m_bOnGround = false;
}
}
}
else
{
//Push out entity.
m_bOnGround = true;
NextPos.y += 0.2;
LOGD("Entity #%d (%s) is inside a block at {%d,%d,%d}",
m_UniqueID, GetClass(), BlockX, BlockY, BlockZ);
}
if (!m_bOnGround)
{
float fallspeed;
if (IsBlockWater(BlockIn))
{
fallspeed = -3.0f * a_Dt; //Fall slower in water.
}
else if (BlockIn == E_BLOCK_COBWEB)
{
NextSpeed.y *= 0.05; //Reduce overall falling speed
fallspeed = 0; //No falling.
}
else
{
//Normal gravity
fallspeed = m_Gravity * a_Dt;
}
NextSpeed.y += fallspeed;
}
else
{
//Friction
if (NextSpeed.SqrLength() > 0.0004f)
{
NextSpeed.x *= 0.7f/(1+a_Dt);
if ( fabs(NextSpeed.x) < 0.05 ) NextSpeed.x = 0;
NextSpeed.z *= 0.7f/(1+a_Dt);
if ( fabs(NextSpeed.z) < 0.05 ) NextSpeed.z = 0;
}
}
//Adjust X and Z speed for COBWEB temporary. This speed modification should be handled inside block handlers since we
//might have different speed modifiers according to terrain.
if (BlockIn == E_BLOCK_COBWEB)
{
NextSpeed.x *= 0.25;
NextSpeed.z *= 0.25;
}
//Get water direction
Direction WaterDir = m_World->GetWaterSimulator()->GetFlowingDirection(BlockX, BlockY, BlockZ);
m_WaterSpeed *= 0.9f; //Reduce speed each tick
switch(WaterDir)
{
case X_PLUS:
m_WaterSpeed.x = 1.f;
m_bOnGround = false;
break;
case X_MINUS:
m_WaterSpeed.x = -1.f;
m_bOnGround = false;
break;
case Z_PLUS:
m_WaterSpeed.z = 1.f;
m_bOnGround = false;
break;
case Z_MINUS:
m_WaterSpeed.z = -1.f;
m_bOnGround = false;
break;
default:
break;
}
if (fabs(m_WaterSpeed.x) < 0.05)
{
m_WaterSpeed.x = 0;
}
if (fabs(m_WaterSpeed.z) < 0.05)
{
m_WaterSpeed.z = 0;
}
NextSpeed += m_WaterSpeed;
if( NextSpeed.SqrLength() > 0.f )
{
cTracer Tracer( GetWorld() );
int Ret = Tracer.Trace( NextPos, NextSpeed, 2 );
if( Ret ) // Oh noez! we hit something
{
// Set to hit position
if( (Tracer.RealHit - NextPos).SqrLength() <= ( NextSpeed * a_Dt ).SqrLength() )
{
if( Ret == 1 )
{
if( Tracer.HitNormal.x != 0.f ) NextSpeed.x = 0.f;
if( Tracer.HitNormal.y != 0.f ) NextSpeed.y = 0.f;
if( Tracer.HitNormal.z != 0.f ) NextSpeed.z = 0.f;
if( Tracer.HitNormal.y > 0 ) // means on ground
{
m_bOnGround = true;
}
}
NextPos.Set(Tracer.RealHit.x,Tracer.RealHit.y,Tracer.RealHit.z);
NextPos.x += Tracer.HitNormal.x * 0.5f;
NextPos.z += Tracer.HitNormal.z * 0.5f;
}
else
NextPos += (NextSpeed * a_Dt);
}
else
{
// We didn't hit anything, so move =]
NextPos += (NextSpeed * a_Dt);
}
}
BlockX = (int) floor(NextPos.x);
BlockZ = (int) floor(NextPos.z);
NextChunk = NextChunk->GetNeighborChunk(BlockX,BlockZ);
// See if we can commit our changes. If not, we will discard them.
if (NextChunk != NULL)
{
if (NextPos.x != GetPosX()) SetPosX(NextPos.x);
if (NextPos.y != GetPosY()) SetPosY(NextPos.y);
if (NextPos.z != GetPosZ()) SetPosZ(NextPos.z);
if (NextSpeed.x != GetSpeedX()) SetSpeedX(NextSpeed.x);
if (NextSpeed.y != GetSpeedY()) SetSpeedY(NextSpeed.y);
if (NextSpeed.z != GetSpeedZ()) SetSpeedZ(NextSpeed.z);
}
}
}
void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
{
// TODO Add collision detection with entities.
a_Dt /= 1000; // Convert from msec to sec
Vector3d NextPos = Vector3d(GetPosX(),GetPosY(),GetPosZ());
Vector3d NextSpeed = Vector3d(GetSpeedX(),GetSpeedY(),GetSpeedZ());
int BlockX = (int) floor(NextPos.x);
int BlockY = (int) floor(NextPos.y);
int BlockZ = (int) floor(NextPos.z);
if ((BlockY >= cChunkDef::Height) || (BlockY < 0))
{
// Outside of the world
cChunk * NextChunk = a_Chunk.GetNeighborChunk(BlockX, BlockZ);
// See if we can commit our changes. If not, we will discard them.
if (NextChunk != NULL)
{
SetSpeed(NextSpeed);
NextPos += (NextSpeed * a_Dt);
SetPosition(NextPos);
}
return;
}
// Make sure we got the correct chunk and a valid one. No one ever knows...
cChunk * NextChunk = a_Chunk.GetNeighborChunk(BlockX, BlockZ);
if (NextChunk != NULL)
{
int RelBlockX = BlockX - (NextChunk->GetPosX() * cChunkDef::Width);
int RelBlockZ = BlockZ - (NextChunk->GetPosZ() * cChunkDef::Width);
BLOCKTYPE BlockIn = NextChunk->GetBlock( RelBlockX, BlockY, RelBlockZ );
BLOCKTYPE BlockBelow = (BlockY > 0) ? NextChunk->GetBlock(RelBlockX, BlockY - 1, RelBlockZ) : E_BLOCK_AIR;
if (!g_BlockIsSolid[BlockIn]) // Making sure we are not inside a solid block
{
if (m_bOnGround) // check if it's still on the ground
{
if (!g_BlockIsSolid[BlockBelow]) // Check if block below is air or water.
{
m_bOnGround = false;
}
}
}
else
{
// Push out entity.
BLOCKTYPE GotBlock;
static const struct
{
int x, y, z;
} gCrossCoords[] =
{
{ 1, 0, 0},
{-1, 0, 0},
{ 0, 0, 1},
{ 0, 0, -1},
} ;
bool IsNoAirSurrounding = true;
for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
{
if (!NextChunk->UnboundedRelGetBlockType(RelBlockX + gCrossCoords[i].x, BlockY, RelBlockZ + gCrossCoords[i].z, GotBlock))
{
// The pickup is too close to an unloaded chunk, bail out of any physics handling
return;
}
if (!g_BlockIsSolid[GotBlock])
{
NextPos.x += gCrossCoords[i].x;
NextPos.z += gCrossCoords[i].z;
IsNoAirSurrounding = false;
break;
}
} // for i - gCrossCoords[]
if (IsNoAirSurrounding)
{
NextPos.y += 0.5;
}
m_bOnGround = true;
LOGD("Entity #%d (%s) is inside a block at {%d, %d, %d}",
m_UniqueID, GetClass(), BlockX, BlockY, BlockZ
);
}
if (!m_bOnGround)
{
float fallspeed;
if (IsBlockWater(BlockIn))
{
fallspeed = m_Gravity * a_Dt / 3; // Fall 3x slower in water.
}
else if (IsBlockRail(BlockBelow) && IsMinecart()) // Rails aren't solid, except for Minecarts
{
fallspeed = 0;
m_bOnGround = true;
}
else if (BlockIn == E_BLOCK_COBWEB)
{
NextSpeed.y *= 0.05; // Reduce overall falling speed
fallspeed = 0; // No falling.
}
else
{
// Normal gravity
fallspeed = m_Gravity * a_Dt;
}
NextSpeed.y += fallspeed;
}
else
{
if (IsMinecart())
{
if (!IsBlockRail(BlockBelow))
{
// Friction if minecart is off track, otherwise, Minecart.cpp handles this
if (NextSpeed.SqrLength() > 0.0004f)
{
NextSpeed.x *= 0.7f / (1 + a_Dt);
if (fabs(NextSpeed.x) < 0.05)
{
NextSpeed.x = 0;
}
NextSpeed.z *= 0.7f / (1 + a_Dt);
if (fabs(NextSpeed.z) < 0.05)
{
NextSpeed.z = 0;
}
}
}
}
else
{
// Friction for non-minecarts
if (NextSpeed.SqrLength() > 0.0004f)
{
NextSpeed.x *= 0.7f / (1 + a_Dt);
if (fabs(NextSpeed.x) < 0.05)
{
NextSpeed.x = 0;
}
NextSpeed.z *= 0.7f / (1 + a_Dt);
if (fabs(NextSpeed.z) < 0.05)
{
NextSpeed.z = 0;
}
}
}
}
// Adjust X and Z speed for COBWEB temporary. This speed modification should be handled inside block handlers since we
// might have different speed modifiers according to terrain.
if (BlockIn == E_BLOCK_COBWEB)
{
NextSpeed.x *= 0.25;
NextSpeed.z *= 0.25;
}
//Get water direction
Direction WaterDir = m_World->GetWaterSimulator()->GetFlowingDirection(BlockX, BlockY, BlockZ);
m_WaterSpeed *= 0.9f; //Reduce speed each tick
switch(WaterDir)
{
case X_PLUS:
m_WaterSpeed.x = 0.2f;
m_bOnGround = false;
break;
case X_MINUS:
m_WaterSpeed.x = -0.2f;
m_bOnGround = false;
break;
case Z_PLUS:
m_WaterSpeed.z = 0.2f;
m_bOnGround = false;
break;
case Z_MINUS:
m_WaterSpeed.z = -0.2f;
m_bOnGround = false;
break;
default:
break;
}
if (fabs(m_WaterSpeed.x) < 0.05)
{
m_WaterSpeed.x = 0;
}
if (fabs(m_WaterSpeed.z) < 0.05)
{
m_WaterSpeed.z = 0;
}
NextSpeed += m_WaterSpeed;
if( NextSpeed.SqrLength() > 0.f )
{
cTracer Tracer( GetWorld() );
int Ret = Tracer.Trace( NextPos, NextSpeed, 2 );
if( Ret ) // Oh noez! we hit something
{
// Set to hit position
if( (Tracer.RealHit - NextPos).SqrLength() <= ( NextSpeed * a_Dt ).SqrLength() )
{
if( Ret == 1 )
{
if( Tracer.HitNormal.x != 0.f ) NextSpeed.x = 0.f;
if( Tracer.HitNormal.y != 0.f ) NextSpeed.y = 0.f;
if( Tracer.HitNormal.z != 0.f ) NextSpeed.z = 0.f;
if( Tracer.HitNormal.y > 0 ) // means on ground
{
m_bOnGround = true;
}
}
NextPos.Set(Tracer.RealHit.x,Tracer.RealHit.y,Tracer.RealHit.z);
NextPos.x += Tracer.HitNormal.x * 0.3f;
NextPos.y += Tracer.HitNormal.y * 0.05f; // Any larger produces entity vibration-upon-the-spot
NextPos.z += Tracer.HitNormal.z * 0.3f;
}
else
{
NextPos += (NextSpeed * a_Dt);
}
}
else
{
// We didn't hit anything, so move =]
NextPos += (NextSpeed * a_Dt);
}
}
BlockX = (int) floor(NextPos.x);
BlockZ = (int) floor(NextPos.z);
NextChunk = NextChunk->GetNeighborChunk(BlockX,BlockZ);
// See if we can commit our changes. If not, we will discard them.
if (NextChunk != NULL)
{
if (NextPos.x != GetPosX()) SetPosX(NextPos.x);
if (NextPos.y != GetPosY()) SetPosY(NextPos.y);
if (NextPos.z != GetPosZ()) SetPosZ(NextPos.z);
if (NextSpeed.x != GetSpeedX()) SetSpeedX(NextSpeed.x);
if (NextSpeed.y != GetSpeedY()) SetSpeedY(NextSpeed.y);
if (NextSpeed.z != GetSpeedZ()) SetSpeedZ(NextSpeed.z);
}
}
}
