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Attach events & rotation fix #3353

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Events for server-side
Nico8340 Mar 30, 2024
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Events for client-side
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Modify returns
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Modify BitStream version
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Format & early returns
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Merge branch 'attach' of https://github.com/Nico8340/mtasa-blue into …
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2 changes: 2 additions & 0 deletions Client/mods/deathmatch/logic/CClientGame.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2637,6 +2637,8 @@ void CClientGame::AddBuiltInEvents()
m_Events.AddEvent("onClientElementModelChange", "oldModel, newModel", nullptr, false);
m_Events.AddEvent("onClientElementDimensionChange", "oldDimension, newDimension", nullptr, false);
m_Events.AddEvent("onClientElementInteriorChange", "oldInterior, newInterior", nullptr, false);
m_Events.AddEvent("onClientElementAttach", "attachSource, attachOffsetX, attachOffsetY, attachOffsetZ, attachOffsetRX, attachOffsetRY, attachOffsetRZ", nullptr, false);
m_Events.AddEvent("onClientElementDetach", "detachSource, detachWorldX, detachWorldY, detachWorldZ, detachWorldRX, detachWorldRY, detachWorldRZ", nullptr, false);

// Player events
m_Events.AddEvent("onClientPlayerJoin", "", NULL, false);
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35 changes: 35 additions & 0 deletions Client/mods/deathmatch/logic/CStaticFunctionDefinitions.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1367,6 +1367,20 @@ bool CStaticFunctionDefinitions::AttachElements(CClientEntity& Entity, CClientEn
if (Entity.IsAttachToable() && AttachedToEntity.IsAttachable() && !AttachedToEntity.IsAttachedToElement(&Entity) &&
Entity.GetDimension() == AttachedToEntity.GetDimension())
{
CLuaArguments Arguments;
Arguments.PushElement(&AttachedToEntity);
Arguments.PushNumber(vecPosition.fX);
Arguments.PushNumber(vecPosition.fY);
Arguments.PushNumber(vecPosition.fZ);
Arguments.PushNumber(vecRotation.fX);
Arguments.PushNumber(vecRotation.fY);
Arguments.PushNumber(vecRotation.fZ);
bool bContinue = Entity.CallEvent("onClientElementAttach", Arguments, true);

if (!bContinue) {
return false;
}

ConvertDegreesToRadians(vecRotation);

Entity.SetAttachedOffsets(vecPosition, vecRotation);
Expand All @@ -1387,6 +1401,27 @@ bool CStaticFunctionDefinitions::DetachElements(CClientEntity& Entity, CClientEn
{
if (pAttachedToEntity == NULL || pActualAttachedToEntity == pAttachedToEntity)
{
CVector vecPosition;
CVector vecRotation;

Entity.GetPosition(vecPosition);
Entity.GetRotationDegrees(vecRotation);

CLuaArguments Arguments;
Arguments.PushElement(pActualAttachedToEntity);
Arguments.PushNumber(vecPosition.fX);
Arguments.PushNumber(vecPosition.fY);
Arguments.PushNumber(vecPosition.fZ);
Arguments.PushNumber(vecRotation.fX);
Arguments.PushNumber(vecRotation.fY);
Arguments.PushNumber(vecRotation.fZ);
bool bContinue = Entity.CallEvent("onClientElementDetach", Arguments, true);

if (!bContinue)
{
return false;
}

Entity.AttachTo(NULL);
return true;
}
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62 changes: 56 additions & 6 deletions Client/mods/deathmatch/logic/rpc/CElementRPCs.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -321,8 +321,25 @@ void CElementRPCs::AttachElements(CClientEntity* pSource, NetBitStreamInterface&
CClientEntity* pAttachedToEntity = CElementIDs::GetElement(usAttachedToID);
if (pAttachedToEntity)
{
pSource->SetAttachedOffsets(vecPosition, vecRotation);
pSource->AttachTo(pAttachedToEntity);
ConvertRadiansToDegrees(vecRotation);

CLuaArguments Arguments;
Arguments.PushElement(pAttachedToEntity);
Arguments.PushNumber(vecPosition.fX);
Arguments.PushNumber(vecPosition.fY);
Arguments.PushNumber(vecPosition.fZ);
Arguments.PushNumber(vecRotation.fX);
Arguments.PushNumber(vecRotation.fY);
Arguments.PushNumber(vecRotation.fZ);
bool bContinue = pSource->CallEvent("onClientElementAttach", Arguments, true);

if (bContinue)
{
ConvertDegreesToRadians(vecRotation);

pSource->SetAttachedOffsets(vecPosition, vecRotation);
pSource->AttachTo(pAttachedToEntity);
}
}
}
}
Expand All @@ -332,13 +349,46 @@ void CElementRPCs::DetachElements(CClientEntity* pSource, NetBitStreamInterface&
unsigned char ucTimeContext;
if (bitStream.Read(ucTimeContext))
{
pSource->SetSyncTimeContext(ucTimeContext);
pSource->AttachTo(NULL);
ElementID usAttachedToID;
CClientEntity* pAttachedToEntity = CElementIDs::GetElement(usAttachedToID);

CVector vecPosition;
if (bitStream.Read(vecPosition.fX) && bitStream.Read(vecPosition.fY) && bitStream.Read(vecPosition.fZ))
CVector vecRotation;

bitStream.Read(vecPosition.fX);
bitStream.Read(vecPosition.fY);
bitStream.Read(vecPosition.fZ);

bitStream.Read(vecRotation.fX);
bitStream.Read(vecRotation.fY);
bitStream.Read(vecRotation.fZ);

CLuaArguments Arguments;
Arguments.PushElement(pAttachedToEntity);
Arguments.PushNumber(vecPosition.fX);
Arguments.PushNumber(vecPosition.fY);
Arguments.PushNumber(vecPosition.fZ);

Arguments.PushNumber(vecRotation.fX);
Arguments.PushNumber(vecRotation.fY);
Arguments.PushNumber(vecRotation.fZ);

bool bContinue = pSource->CallEvent("onClientElementDetach", Arguments, true);

if (bContinue)
{
pSource->SetPosition(vecPosition);
pSource->SetSyncTimeContext(ucTimeContext);
pSource->AttachTo(NULL);

if (vecPosition.fX != 0.0f || vecPosition.fY != 0.0f || vecPosition.fZ != 0.0f)
{
pSource->SetPosition(vecPosition);
}

if (vecRotation.fX != 0.0f || vecRotation.fY != 0.0f || vecRotation.fZ != 0.0f)
{
pSource->SetRotationDegrees(vecRotation);
}
}
}
}
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2 changes: 2 additions & 0 deletions Server/mods/deathmatch/logic/CGame.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1608,6 +1608,8 @@ void CGame::AddBuiltInEvents()
m_Events.AddEvent("onElementModelChange", "oldModel, newModel", NULL, false);
m_Events.AddEvent("onElementDimensionChange", "oldDimension, newDimension", nullptr, false);
m_Events.AddEvent("onElementInteriorChange", "oldInterior, newInterior", nullptr, false);
m_Events.AddEvent("onElementAttach", "attachSource, attachOffsetX, attachOffsetY, attachOffsetZ, attachOffsetRX, attachOffsetRY, attachOffsetRZ", nullptr, false);
m_Events.AddEvent("onElementDetach", "detachSource, detachWorldX, detachWorldY, detachWorldZ, detachWorldRX, detachWorldRY, detachWorldRZ", nullptr, false);

// Radar area events

Expand Down
43 changes: 41 additions & 2 deletions Server/mods/deathmatch/logic/CStaticFunctionDefinitions.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1518,8 +1518,24 @@ bool CStaticFunctionDefinitions::AttachElements(CElement* pElement, CElement* pA
if (pElement->IsAttachToable() && pAttachedToElement->IsAttachable() && !pAttachedToElement->IsAttachedToElement(pElement) &&
pElement->GetDimension() == pAttachedToElement->GetDimension())
{
pElement->SetAttachedOffsets(vecPosition, vecRotation);
CLuaArguments Arguments;
Arguments.PushElement(pAttachedToElement);
Arguments.PushNumber(vecPosition.fX);
Arguments.PushNumber(vecPosition.fY);
Arguments.PushNumber(vecPosition.fZ);
Arguments.PushNumber(vecRotation.fX);
Arguments.PushNumber(vecRotation.fY);
Arguments.PushNumber(vecRotation.fZ);
bool bContinue = pElement->CallEvent("onElementAttach", Arguments);

if (!bContinue)
{
return false;
}

ConvertDegreesToRadians(vecRotation);

pElement->SetAttachedOffsets(vecPosition, vecRotation);
pElement->AttachTo(pAttachedToElement);

CBitStream BitStream;
Expand Down Expand Up @@ -1547,9 +1563,29 @@ bool CStaticFunctionDefinitions::DetachElements(CElement* pElement, CElement* pA
{
if (pAttachedToElement == NULL || pActualAttachedToElement == pAttachedToElement)
{
CVector vecPosition = pElement->GetPosition();
CVector vecRotation;

pElement->GetRotation(vecRotation);
ConvertRadiansToDegrees(vecRotation);

CLuaArguments Arguments;
Arguments.PushElement(pActualAttachedToElement);
Arguments.PushNumber(vecPosition.fX);
Arguments.PushNumber(vecPosition.fY);
Arguments.PushNumber(vecPosition.fZ);
Arguments.PushNumber(vecRotation.fX);
Arguments.PushNumber(vecRotation.fY);
Arguments.PushNumber(vecRotation.fZ);
bool bContinue = pElement->CallEvent("onElementDetach", Arguments);

if (!bContinue)
{
return false;
}

// Detach it. Also generate a new time context to prevent sync screwup from
// old packes arriving.
CVector vecPosition = pElement->GetPosition();
pElement->AttachTo(NULL);
pElement->GenerateSyncTimeContext();

Expand All @@ -1558,6 +1594,9 @@ bool CStaticFunctionDefinitions::DetachElements(CElement* pElement, CElement* pA
BitStream.pBitStream->Write(vecPosition.fX);
BitStream.pBitStream->Write(vecPosition.fY);
BitStream.pBitStream->Write(vecPosition.fZ);
BitStream.pBitStream->Write(vecRotation.fX);
BitStream.pBitStream->Write(vecRotation.fY);
BitStream.pBitStream->Write(vecRotation.fZ);
m_pPlayerManager->BroadcastOnlyJoined(CElementRPCPacket(pElement, DETACH_ELEMENTS, *BitStream.pBitStream));

return true;
Expand Down