From 2b699dc749b1827e47943f148f57dfe2e03f3a75 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pablo=20Beltr=C3=A1n?= Date: Sun, 4 Jun 2017 06:35:02 +0200 Subject: Avoid pickups to sink into blocks and disappear (#3739) * Avoid pickups to sink into blocks and disappear --- src/Entities/Entity.cpp | 49 +++++++++++++++++++++++++++---------------------- src/Entities/Pickup.cpp | 10 ++++++++-- 2 files changed, 35 insertions(+), 24 deletions(-) diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp index f776f881a..db70044b4 100644 --- a/src/Entities/Entity.cpp +++ b/src/Entities/Entity.cpp @@ -1010,6 +1010,7 @@ void cEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) NextPos.y += 0.5; } + m_bHasSentNoSpeed = false; // this unlocks movement sending to client in BroadcastMovementUpdate function m_bOnGround = true; /* @@ -1915,35 +1916,39 @@ void cEntity::BroadcastMovementUpdate(const cClientHandle * a_Exclude) m_bHasSentNoSpeed = false; } - // TODO: Pickups move disgracefully if relative move packets are sent as opposed to just velocity. Have a system to send relmove only when SetPosXXX() is called with a large difference in position - int DiffX = FloorC(GetPosX() * 32.0) - FloorC(m_LastSentPosition.x * 32.0); - int DiffY = FloorC(GetPosY() * 32.0) - FloorC(m_LastSentPosition.y * 32.0); - int DiffZ = FloorC(GetPosZ() * 32.0) - FloorC(m_LastSentPosition.z * 32.0); - - if ((DiffX != 0) || (DiffY != 0) || (DiffZ != 0)) // Have we moved? + // Only send movement if speed is not 0 and 'no speed' was sent to client + if (!m_bHasSentNoSpeed) { - if ((abs(DiffX) <= 127) && (abs(DiffY) <= 127) && (abs(DiffZ) <= 127)) // Limitations of a Byte + // TODO: Pickups move disgracefully if relative move packets are sent as opposed to just velocity. Have a system to send relmove only when SetPosXXX() is called with a large difference in position + int DiffX = FloorC(GetPosX() * 32.0) - FloorC(m_LastSentPosition.x * 32.0); + int DiffY = FloorC(GetPosY() * 32.0) - FloorC(m_LastSentPosition.y * 32.0); + int DiffZ = FloorC(GetPosZ() * 32.0) - FloorC(m_LastSentPosition.z * 32.0); + + if ((DiffX != 0) || (DiffY != 0) || (DiffZ != 0)) // Have we moved? { - // Difference within Byte limitations, use a relative move packet - if (m_bDirtyOrientation) + if ((abs(DiffX) <= 127) && (abs(DiffY) <= 127) && (abs(DiffZ) <= 127)) // Limitations of a Byte { - m_World->BroadcastEntityRelMoveLook(*this, static_cast(DiffX), static_cast(DiffY), static_cast(DiffZ), a_Exclude); - m_bDirtyOrientation = false; + // Difference within Byte limitations, use a relative move packet + if (m_bDirtyOrientation) + { + m_World->BroadcastEntityRelMoveLook(*this, static_cast(DiffX), static_cast(DiffY), static_cast(DiffZ), a_Exclude); + m_bDirtyOrientation = false; + } + else + { + m_World->BroadcastEntityRelMove(*this, static_cast(DiffX), static_cast(DiffY), static_cast(DiffZ), a_Exclude); + } + // Clients seem to store two positions, one for the velocity packet and one for the teleport / relmove packet + // The latter is only changed with a relmove / teleport, and m_LastSentPosition stores this position + m_LastSentPosition = GetPosition(); } else { - m_World->BroadcastEntityRelMove(*this, static_cast(DiffX), static_cast(DiffY), static_cast(DiffZ), a_Exclude); + // Too big a movement, do a teleport + m_World->BroadcastTeleportEntity(*this, a_Exclude); + m_LastSentPosition = GetPosition(); // See above + m_bDirtyOrientation = false; } - // Clients seem to store two positions, one for the velocity packet and one for the teleport / relmove packet - // The latter is only changed with a relmove / teleport, and m_LastSentPosition stores this position - m_LastSentPosition = GetPosition(); - } - else - { - // Too big a movement, do a teleport - m_World->BroadcastTeleportEntity(*this, a_Exclude); - m_LastSentPosition = GetPosition(); // See above - m_bDirtyOrientation = false; } } diff --git a/src/Entities/Pickup.cpp b/src/Entities/Pickup.cpp index d88a47187..5f64d6fbe 100644 --- a/src/Entities/Pickup.cpp +++ b/src/Entities/Pickup.cpp @@ -31,7 +31,7 @@ public: virtual bool Item(cEntity * a_Entity) override { ASSERT(a_Entity->IsTicking()); - if (!a_Entity->IsPickup() || (a_Entity->GetUniqueID() <= m_Pickup->GetUniqueID())) + if (!a_Entity->IsPickup() || (a_Entity->GetUniqueID() <= m_Pickup->GetUniqueID()) || !a_Entity->IsOnGround()) { return false; } @@ -59,6 +59,12 @@ public: if (Item.m_ItemCount <= 0) { + /* Experimental: show animation pickups getting together */ + int DiffX = FloorC(m_Pickup->GetPosX() * 32.0) - FloorC(EntityPos.x * 32.0); + int DiffY = FloorC(m_Pickup->GetPosY() * 32.0) - FloorC(EntityPos.y * 32.0); + int DiffZ = FloorC(m_Pickup->GetPosZ() * 32.0) - FloorC(EntityPos.z * 32.0); + a_Entity->GetWorld()->BroadcastEntityRelMove(*a_Entity, static_cast(DiffX), static_cast(DiffY), static_cast(DiffZ)); + /* End of experimental animation */ a_Entity->Destroy(); } else @@ -159,7 +165,7 @@ void cPickup::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) } // Try to combine the pickup with adjacent same-item pickups: - if ((m_Item.m_ItemCount < m_Item.GetMaxStackSize())) // Don't combine if already full + if ((m_Item.m_ItemCount < m_Item.GetMaxStackSize()) && IsOnGround()) // Don't combine if already full or not on ground { // By using a_Chunk's ForEachEntity() instead of cWorld's, pickups don't combine across chunk boundaries. // That is a small price to pay for not having to traverse the entire world for each entity. -- cgit v1.2.3