diff options
Diffstat (limited to 'src/Entities/ProjectileEntity.cpp')
| -rw-r--r-- | src/Entities/ProjectileEntity.cpp | 160 |
1 files changed, 136 insertions, 24 deletions
diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp index c63b9523b..fb25aea35 100644 --- a/src/Entities/ProjectileEntity.cpp +++ b/src/Entities/ProjectileEntity.cpp @@ -230,6 +230,8 @@ cProjectileEntity * cProjectileEntity::Create(eKind a_Kind, cEntity * a_Creator, case pkSnowball: return new cThrownSnowballEntity (a_Creator, a_X, a_Y, a_Z, Speed); case pkGhastFireball: return new cGhastFireballEntity (a_Creator, a_X, a_Y, a_Z, Speed); case pkFireCharge: return new cFireChargeEntity (a_Creator, a_X, a_Y, a_Z, Speed); + case pkExpBottle: return new cExpBottleEntity (a_Creator, a_X, a_Y, a_Z, Speed); + case pkFirework: return new cFireworkEntity (a_Creator, a_X, a_Y, a_Z ); // TODO: the rest } @@ -287,7 +289,11 @@ AString cProjectileEntity::GetMCAClassName(void) const void cProjectileEntity::Tick(float a_Dt, cChunk & a_Chunk) { super::Tick(a_Dt, a_Chunk); - BroadcastMovementUpdate(); + + if (GetProjectileKind() != pkArrow) // See cArrow::Tick + { + BroadcastMovementUpdate(); + } } @@ -391,7 +397,8 @@ cArrowEntity::cArrowEntity(cEntity * a_Creator, double a_X, double a_Y, double a m_IsCritical(false), m_Timer(0), m_bIsCollected(false), - m_HitBlockPos(Vector3i(0, 0, 0)) + m_HitBlockPos(Vector3i(0, 0, 0)), + m_HitGroundTimer(0) { SetSpeed(a_Speed); SetMass(0.1); @@ -414,7 +421,8 @@ cArrowEntity::cArrowEntity(cPlayer & a_Player, double a_Force) : m_IsCritical((a_Force >= 1)), m_Timer(0), m_bIsCollected(false), - m_HitBlockPos(0, 0, 0) + m_HitBlockPos(0, 0, 0), + m_HitGroundTimer(0) { } @@ -440,37 +448,25 @@ bool cArrowEntity::CanPickup(const cPlayer & a_Player) const void cArrowEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace) { - if (a_HitFace == BLOCK_FACE_NONE) - { - return; - } + if (a_HitFace == BLOCK_FACE_NONE) { return; } super::OnHitSolidBlock(a_HitPos, a_HitFace); int a_X = (int)a_HitPos.x, a_Y = (int)a_HitPos.y, a_Z = (int)a_HitPos.z; - - if (a_HitFace != BLOCK_FACE_YP) - { - AddFaceDirection(a_X, a_Y, a_Z, a_HitFace); - } - else if (a_HitFace == BLOCK_FACE_YP) // These conditions because xoft got a little confused on block face directions, so AddFace works with all but YP & YM - { - a_Y--; - } - else + + switch (a_HitFace) { - a_Y++; + case BLOCK_FACE_XM: // Strangely, bounding boxes / block tracers return the actual block for these two directions, so AddFace not needed + case BLOCK_FACE_YM: + { + break; + } + default: AddFaceDirection(a_X, a_Y, a_Z, a_HitFace, true); } m_HitBlockPos = Vector3i(a_X, a_Y, a_Z); // Broadcast arrow hit sound m_World->BroadcastSoundEffect("random.bowhit", (int)GetPosX() * 8, (int)GetPosY() * 8, (int)GetPosZ() * 8, 0.5, (float)(0.75 + ((float)((GetUniqueID() * 23) % 32)) / 64)); - - // Broadcast the position and speed packets before teleporting: - BroadcastMovementUpdate(); - - // Teleport the entity to the exact hit coords: - m_World->BroadcastTeleportEntity(*this); } @@ -542,6 +538,24 @@ void cArrowEntity::Tick(float a_Dt, cChunk & a_Chunk) if (m_IsInGround) { + // When an arrow hits, the client doesn't think its in the ground and keeps on moving, IF BroadcastMovementUpdate() and TeleportEntity was called during flight, AT ALL + // Fix is to simply not sync with the client and send a teleport to confirm pos after arrow has stabilised (around 1 sec after landing) + // We can afford to do this because xoft's algorithm for trajectory is near perfect, so things are pretty close anyway without sync + // Besides, this seems to be what the vanilla server does, note how arrows teleport half a second after they hit to the server position + + if (m_HitGroundTimer != -1) // Sent a teleport already, don't do again + { + if (m_HitGroundTimer > 1000.f) // Send after a second, could be less, but just in case + { + m_World->BroadcastTeleportEntity(*this); + m_HitGroundTimer = -1; + } + else + { + m_HitGroundTimer += a_Dt; + } + } + int RelPosX = m_HitBlockPos.x - a_Chunk.GetPosX() * cChunkDef::Width; int RelPosZ = m_HitBlockPos.z - a_Chunk.GetPosZ() * cChunkDef::Width; cChunk * Chunk = a_Chunk.GetRelNeighborChunkAdjustCoords(RelPosX, RelPosZ); @@ -651,6 +665,104 @@ void cThrownSnowballEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_Hi /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cBottleOEnchantingEntity : + +cExpBottleEntity::cExpBottleEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d & a_Speed) : +super(pkExpBottle, a_Creator, a_X, a_Y, a_Z, 0.25, 0.25) +{ + SetSpeed(a_Speed); +} + + + + + +void cExpBottleEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace) +{ + // TODO: Spawn experience orbs + + Destroy(); +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cFireworkEntity : + +cFireworkEntity::cFireworkEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z) : +super(pkFirework, a_Creator, a_X, a_Y, a_Z, 0.25, 0.25) +{ +} + + + + + +void cFireworkEntity::OnHitSolidBlock(const Vector3d & a_HitPos, char a_HitFace) +{ + if ((a_HitFace != BLOCK_FACE_BOTTOM) && (a_HitFace != BLOCK_FACE_NONE)) + { + return; + } + + SetSpeed(0, 0, 0); + SetPosition(GetPosX(), GetPosY() - 0.5, GetPosZ()); + + std::cout << a_HitPos.x << " " << a_HitPos.y << " " << a_HitPos.z << std::endl; + + m_IsInGround = true; + + BroadcastMovementUpdate(); +} + + + + + +void cFireworkEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk) +{ + if (m_IsInGround) + { + if (a_Chunk.GetBlock((int)GetPosX(), (int)GetPosY() + 1, (int)GetPosZ()) == E_BLOCK_AIR) + { + m_IsInGround = false; + } + else + { + return; + } + } + + Vector3d PerTickSpeed = GetSpeed() / 20; + Vector3d Pos = GetPosition(); + + // Trace the tick's worth of movement as a line: + Vector3d NextPos = Pos + PerTickSpeed; + cProjectileTracerCallback TracerCallback(this); + if (!cLineBlockTracer::Trace(*m_World, TracerCallback, Pos, NextPos)) + { + // Something has been hit, abort all other processing + return; + } + // The tracer also checks the blocks for slowdown blocks - water and lava - and stores it for later in its SlowdownCoeff + + // Update the position: + SetPosition(NextPos); + + // Add slowdown and gravity effect to the speed: + Vector3d NewSpeed(GetSpeed()); + NewSpeed.y += 2; + NewSpeed *= TracerCallback.GetSlowdownCoeff(); + SetSpeed(NewSpeed); +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // cGhastFireballEntity : cGhastFireballEntity::cGhastFireballEntity(cEntity * a_Creator, double a_X, double a_Y, double a_Z, const Vector3d & a_Speed) : |