summaryrefslogtreecommitdiffstats
path: root/src/Entities/Entity.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/Entities/Entity.cpp')
-rw-r--r--src/Entities/Entity.cpp494
1 files changed, 277 insertions, 217 deletions
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 565c78dfd..8ef45f1a5 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -4,9 +4,7 @@
#include "../World.h"
#include "../Server.h"
#include "../Root.h"
-#include "../Vector3d.h"
-#include "../Matrix4f.h"
-#include "../ReferenceManager.h"
+#include "../Matrix4.h"
#include "../ClientHandle.h"
#include "../Chunk.h"
#include "../Simulator/FluidSimulator.h"
@@ -32,8 +30,6 @@ cEntity::cEntity(eEntityType a_EntityType, double a_X, double a_Y, double a_Z, d
, m_MaxHealth(1)
, m_AttachedTo(NULL)
, m_Attachee(NULL)
- , m_Referencers(new cReferenceManager(cReferenceManager::RFMNGR_REFERENCERS))
- , m_References(new cReferenceManager(cReferenceManager::RFMNGR_REFERENCES))
, m_bDirtyHead(true)
, m_bDirtyOrientation(true)
, m_bDirtyPosition(true)
@@ -54,6 +50,8 @@ cEntity::cEntity(eEntityType a_EntityType, double a_X, double a_Y, double a_Z, d
, m_TicksSinceLastFireDamage(0)
, m_TicksLeftBurning(0)
, m_TicksSinceLastVoidDamage(0)
+ , m_IsSwimming(false)
+ , m_IsSubmerged(false)
, m_HeadYaw( 0.0 )
, m_Rot(0.0, 0.0, 0.0)
, m_Pos(a_X, a_Y, a_Z)
@@ -73,7 +71,8 @@ cEntity::cEntity(eEntityType a_EntityType, double a_X, double a_Y, double a_Z, d
cEntity::~cEntity()
{
- ASSERT(!m_World->HasEntity(m_UniqueID)); // Before deleting, the entity needs to have been removed from the world
+ // Before deleting, the entity needs to have been removed from the world, if ever added
+ ASSERT((m_World == NULL) || !m_World->HasEntity(m_UniqueID));
/*
// DEBUG:
@@ -99,8 +98,6 @@ cEntity::~cEntity()
LOGWARNING("ERROR: Entity deallocated without being destroyed");
ASSERT(!"Entity deallocated without being destroyed or unlinked");
}
- delete m_Referencers;
- delete m_References;
}
@@ -400,6 +397,7 @@ int cEntity::GetArmorCoverAgainst(const cEntity * a_Attacker, eDamageType a_Dama
case dtPotionOfHarming:
case dtFalling:
case dtLightning:
+ case dtPlugin:
{
return 0;
}
@@ -476,7 +474,7 @@ void cEntity::KilledBy(cEntity * a_Killer)
return;
}
- // Drop loot:
+ // Drop loot:
cItems Drops;
GetDrops(Drops, a_Killer);
m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY(), GetPosZ());
@@ -523,18 +521,36 @@ void cEntity::Tick(float a_Dt, cChunk & a_Chunk)
{
if (a_Chunk.IsValid())
{
- HandlePhysics(a_Dt, a_Chunk);
+ cChunk * NextChunk = a_Chunk.GetNeighborChunk(POSX_TOINT, POSZ_TOINT);
+
+ if ((NextChunk == NULL) || !NextChunk->IsValid())
+ {
+ return;
+ }
+
+ TickBurning(*NextChunk);
+
+ if (GetPosY() < VOID_BOUNDARY)
+ {
+ TickInVoid(*NextChunk);
+ }
+ else
+ {
+ m_TicksSinceLastVoidDamage = 0;
+ }
+
+ if (IsMob() || IsPlayer())
+ {
+ // Set swimming state
+ SetSwimState(*NextChunk);
+
+ // Handle drowning
+ HandleAir();
+ }
+
+ HandlePhysics(a_Dt, *NextChunk);
}
}
- if (a_Chunk.IsValid())
- {
- TickBurning(a_Chunk);
- }
- if ((a_Chunk.IsValid()) && (GetPosY() < -46))
- {
- TickInVoid(a_Chunk);
- }
- else { m_TicksSinceLastVoidDamage = 0; }
}
@@ -554,7 +570,7 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
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)
@@ -563,210 +579,205 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
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 - (a_Chunk.GetPosX() * cChunkDef::Width);
+ int RelBlockZ = BlockZ - (a_Chunk.GetPosZ() * cChunkDef::Width);
+ BLOCKTYPE BlockIn = a_Chunk.GetBlock( RelBlockX, BlockY, RelBlockZ );
+ BLOCKTYPE BlockBelow = (BlockY > 0) ? a_Chunk.GetBlock(RelBlockX, BlockY - 1, RelBlockZ) : E_BLOCK_AIR;
+ if (!cBlockInfo::IsSolid(BlockIn)) // Making sure we are not inside a solid block
{
- 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 (m_bOnGround) // check if it's still on the ground
+ if (!cBlockInfo::IsSolid(BlockBelow)) // Check if block below is air or water.
{
- if (!g_BlockIsSolid[BlockBelow]) // Check if block below is air or water.
- {
- m_bOnGround = false;
- }
+ m_bOnGround = false;
}
}
- else
- {
- // Push out entity.
- BLOCKTYPE GotBlock;
+ }
+ 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++)
+ 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 (!a_Chunk.UnboundedRelGetBlockType(RelBlockX + gCrossCoords[i].x, BlockY, RelBlockZ + gCrossCoords[i].z, GotBlock))
{
- 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)
+ // The pickup is too close to an unloaded chunk, bail out of any physics handling
+ return;
+ }
+ if (!cBlockInfo::IsSolid(GotBlock))
{
- NextPos.y += 0.5;
+ 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;
+ m_bOnGround = true;
- /*
- // DEBUG:
- LOGD("Entity #%d (%s) is inside a block at {%d, %d, %d}",
- m_UniqueID, GetClass(), BlockX, BlockY, BlockZ
- );
- */
- }
+ /*
+ // DEBUG:
+ LOGD("Entity #%d (%s) is inside a block at {%d, %d, %d}",
+ m_UniqueID, GetClass(), BlockX, BlockY, BlockZ
+ );
+ */
+ }
- if (!m_bOnGround)
+ if (!m_bOnGround)
+ {
+ float fallspeed;
+ if (IsBlockWater(BlockIn))
{
- 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;
+ 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
{
- // Friction
- if (NextSpeed.SqrLength() > 0.0004f)
+ // 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 *= 0.7f / (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;
- }
+ 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;
- }
+ // 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);
+ //Get water direction
+ Direction WaterDir = m_World->GetWaterSimulator()->GetFlowingDirection(BlockX, BlockY, BlockZ);
- m_WaterSpeed *= 0.9f; //Reduce speed each tick
+ 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:
+ 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.x) < 0.05)
+ {
+ m_WaterSpeed.x = 0;
+ }
- if (fabs(m_WaterSpeed.z) < 0.05)
- {
- m_WaterSpeed.z = 0;
- }
+ if (fabs(m_WaterSpeed.z) < 0.05)
+ {
+ m_WaterSpeed.z = 0;
+ }
- NextSpeed += m_WaterSpeed;
+ NextSpeed += m_WaterSpeed;
- if( NextSpeed.SqrLength() > 0.f )
+ if( NextSpeed.SqrLength() > 0.f )
+ {
+ cTracer Tracer( GetWorld() );
+ bool HasHit = Tracer.Trace( NextPos, NextSpeed, 2 );
+ if (HasHit) // Oh noez! we hit something
{
- 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())
{
- // 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
+ 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
{
- NextPos += (NextSpeed * a_Dt);
+ 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
{
- // 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)
+ else
{
- 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);
+ // We didn't hit anything, so move =]
+ NextPos += (NextSpeed * a_Dt);
}
}
+
+ BlockX = (int) floor(NextPos.x);
+ BlockZ = (int) floor(NextPos.z);
+
+ cChunk * NextChunk = a_Chunk.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);
+ }
}
@@ -807,14 +818,13 @@ void cEntity::TickBurning(cChunk & a_Chunk)
{
int RelX = x;
int RelZ = z;
- cChunk * CurChunk = a_Chunk.GetRelNeighborChunkAdjustCoords(RelX, RelZ);
- if (CurChunk == NULL)
- {
- continue;
- }
+
for (int y = MinY; y <= MaxY; y++)
{
- switch (CurChunk->GetBlock(RelX, y, RelZ))
+ BLOCKTYPE Block;
+ a_Chunk.UnboundedRelGetBlockType(RelX, y, RelZ, Block);
+
+ switch (Block)
{
case E_BLOCK_FIRE:
{
@@ -912,6 +922,86 @@ void cEntity::TickInVoid(cChunk & a_Chunk)
+void cEntity::SetSwimState(cChunk & a_Chunk)
+{
+ int RelY = (int)floor(GetPosY() + 0.1);
+ if ((RelY < 0) || (RelY >= cChunkDef::Height - 1))
+ {
+ m_IsSwimming = false;
+ m_IsSubmerged = false;
+ return;
+ }
+
+ BLOCKTYPE BlockIn;
+ int RelX = POSX_TOINT - a_Chunk.GetPosX() * cChunkDef::Width;
+ int RelZ = POSZ_TOINT - a_Chunk.GetPosZ() * cChunkDef::Width;
+
+ // Check if the player is swimming:
+ if (!a_Chunk.UnboundedRelGetBlockType(RelX, RelY, RelZ, BlockIn))
+ {
+ // This sometimes happens on Linux machines
+ // Ref.: http://forum.mc-server.org/showthread.php?tid=1244
+ LOGD("SetSwimState failure: RelX = %d, RelZ = %d, LastPos = {%.02f, %.02f}, Pos = %.02f, %.02f}",
+ RelX, RelY, m_LastPosX, m_LastPosZ, GetPosX(), GetPosZ()
+ );
+ m_IsSwimming = false;
+ m_IsSubmerged = false;
+ return;
+ }
+ m_IsSwimming = IsBlockWater(BlockIn);
+
+ // Check if the player is submerged:
+ VERIFY(a_Chunk.UnboundedRelGetBlockType(RelX, RelY + 1, RelZ, BlockIn));
+ m_IsSubmerged = IsBlockWater(BlockIn);
+}
+
+
+
+
+
+void cEntity::HandleAir(void)
+{
+ // Ref.: http://www.minecraftwiki.net/wiki/Chunk_format
+ // See if the entity is /submerged/ water (block above is water)
+ // Get the type of block the entity is standing in:
+
+ if (IsSubmerged())
+ {
+ SetSpeedY(1); // Float in the water
+
+ // Either reduce air level or damage player
+ if (m_AirLevel < 1)
+ {
+ if (m_AirTickTimer < 1)
+ {
+ // Damage player
+ TakeDamage(dtDrowning, NULL, 1, 1, 0);
+ // Reset timer
+ m_AirTickTimer = DROWNING_TICKS;
+ }
+ else
+ {
+ m_AirTickTimer -= 1;
+ }
+ }
+ else
+ {
+ // Reduce air supply
+ m_AirLevel -= 1;
+ }
+ }
+ else
+ {
+ // Set the air back to maximum
+ m_AirLevel = MAX_AIR_LEVEL;
+ m_AirTickTimer = DROWNING_TICKS;
+ }
+}
+
+
+
+
+
/// Called when the entity starts burning
void cEntity::OnStartedBurning(void)
{
@@ -1379,7 +1469,7 @@ void cEntity::SteerVehicle(float a_Forward, float a_Sideways)
Vector3d cEntity::GetLookVector(void) const
{
Matrix4d m;
- m.Init(Vector3f(), 0, m_Rot.x, -m_Rot.y);
+ m.Init(Vector3d(), 0, m_Rot.x, -m_Rot.y);
Vector3d Look = m.Transform(Vector3d(0, 0, 1));
return Look;
}
@@ -1429,33 +1519,3 @@ void cEntity::SetPosZ(double a_PosZ)
-
-//////////////////////////////////////////////////////////////////////////
-// Reference stuffs
-void cEntity::AddReference(cEntity * & a_EntityPtr)
-{
- m_References->AddReference(a_EntityPtr);
- a_EntityPtr->ReferencedBy(a_EntityPtr);
-}
-
-
-
-
-
-void cEntity::ReferencedBy(cEntity * & a_EntityPtr)
-{
- m_Referencers->AddReference(a_EntityPtr);
-}
-
-
-
-
-
-void cEntity::Dereference(cEntity * & a_EntityPtr)
-{
- m_Referencers->Dereference(a_EntityPtr);
-}
-
-
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 01:39:27 +0200