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Add setElementCollidableWith server-side #4101

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c709597
add function serverside
Proxy-99 Mar 14, 2025
97171c1
element checks
Proxy-99 Mar 14, 2025
1ba901f
review fixes
Proxy-99 Mar 14, 2025
7a48afd
Merge branch 'master' into setCollide
Proxy-99 Apr 10, 2025
f72b484
Merge branch 'master' into setCollide
Proxy-99 May 29, 2025
dd1f6a0
Merge branch 'master' into setCollide
Proxy-99 Jun 7, 2025
64efdd4
Merge branch 'master' into setCollide
Proxy-99 Aug 13, 2025
baf96c3
adding store data
Proxy-99 Sep 1, 2025
85e37b9
put it at correct packet
Proxy-99 Sep 1, 2025
8bf184d
Merge branch 'master' into setCollide
Proxy-99 Oct 8, 2025
822f0de
Merge branch 'master' into setCollide
Proxy-99 Oct 14, 2025
edc274a
Merge branch 'master' into setCollide
Proxy-99 Nov 12, 2025
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23 changes: 22 additions & 1 deletion Client/mods/deathmatch/logic/CPacketHandler.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4195,7 +4195,7 @@ void CPacketHandler::Packet_EntityAdd(NetBitStreamInterface& bitStream)
{
assert(0);
break;
}
}
}

if (pEntity)
Expand Down Expand Up @@ -4278,6 +4278,27 @@ void CPacketHandler::Packet_EntityAdd(NetBitStreamInterface& bitStream)
}
newEntitiesStuff.clear();
g_pCore->UpdateDummyProgress(0);


unsigned int count = 0;
bitStream.ReadCompressed(count);
for (unsigned int i = 0; i < count; ++i)
{
ElementID id1, id2;
bool canCollide;
bitStream.Read(id1);
bitStream.Read(id2);
bitStream.ReadBit(canCollide);
// Use id1, id2, canCollide

CClientEntity* pEntity1 = CElementIDs::GetElement(id1);
CClientEntity* pEntity2 = CElementIDs::GetElement(id2);

pEntity1->SetCollidableWith(pEntity2, canCollide);
}
SString strCount = SString("Collision pairs count: %u", count);
CStaticFunctionDefinitions::OutputConsole(strCount);

}

void CPacketHandler::Packet_EntityRemove(NetBitStreamInterface& bitStream)
Expand Down
17 changes: 17 additions & 0 deletions Client/mods/deathmatch/logic/rpc/CElementRPCs.cpp
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Expand Up @@ -50,6 +50,7 @@ void CElementRPCs::LoadFunctions()
AddHandler(SET_PROPAGATE_CALLS_ENABLED, SetCallPropagationEnabled, "setCallPropagationEnabled");
AddHandler(SET_COLPOLYGON_HEIGHT, SetColPolygonHeight, "setColShapePolygonHeight");
AddHandler(SET_ELEMENT_ON_FIRE, SetElementOnFire, "setElementOnFire");
AddHandler(SET_ELEMENT_COLLIDABLE_WITH, SetElementCollidableWith, "setElementCollidableWith");
}

#define RUN_CHILDREN_SERVER(func) \
Expand Down Expand Up @@ -859,3 +860,19 @@ void CElementRPCs::SetElementOnFire(CClientEntity* pSource, NetBitStreamInterfac
{
pSource->SetOnFire(bitStream.ReadBit());
}

void CElementRPCs::SetElementCollidableWith(CClientEntity* pSource, NetBitStreamInterface& bitStream)
{
ElementID ElementID;

if (!bitStream.Can(eBitStreamVersion::SetElementCollidableWith_Serverside))
return;

bitStream.Read(ElementID);

CClientEntity* collidableWith = CElementIDs::GetElement(ElementID);

if (collidableWith == nullptr) // validity check
return;
Comment on lines +875 to +876
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@FileEX FileEX Mar 14, 2025

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if (!collidableWith)
    return;

pSource->SetCollidableWith(collidableWith, bitStream.ReadBit());
}
1 change: 1 addition & 0 deletions Client/mods/deathmatch/logic/rpc/CElementRPCs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -51,4 +51,5 @@ class CElementRPCs : public CRPCFunctions
DECLARE_ELEMENT_RPC(SetCallPropagationEnabled);
DECLARE_ELEMENT_RPC(SetColPolygonHeight);
DECLARE_ELEMENT_RPC(SetElementOnFire);
DECLARE_ELEMENT_RPC(SetElementCollidableWith);
};
1 change: 1 addition & 0 deletions Server/mods/deathmatch/logic/CPerfStat.RPCPacketUsage.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -232,6 +232,7 @@ ADD_ENUM1(TOGGLE_OBJECT_RESPAWN)
ADD_ENUM1(RESET_WORLD_PROPERTIES)
ADD_ENUM1(SPAWN_VEHICLE_FLYING_COMPONENT)
ADD_ENUM1(SET_ELEMENT_ON_FIRE)
ADD_ENUM1(SET_ELEMENT_COLLIDABLE_WITH)
IMPLEMENT_ENUM_END("eElementRPCFunctions")

DECLARE_ENUM(CRPCFunctions::eRPCFunctions);
Expand Down
35 changes: 35 additions & 0 deletions Server/mods/deathmatch/logic/CStaticFunctionDefinitions.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -12668,3 +12668,38 @@ bool CStaticFunctionDefinitions::SpawnVehicleFlyingComponent(CVehicle* const veh

return true;
}

bool CStaticFunctionDefinitions::SetElementCollidableWith(CElement* element, CElement* withElement, bool canCollide)
{
switch (element->GetType())
{
case EElementType::PLAYER:
case EElementType::PED:
case EElementType::OBJECT:
case EElementType::WEAPON:
case EElementType::VEHICLE:
{
switch (withElement->GetType())
{
case EElementType::PLAYER:
case EElementType::PED:
case EElementType::OBJECT:
case EElementType::WEAPON:
case EElementType::VEHICLE:
{
CBitStream BitStream;
BitStream.pBitStream->Write(withElement->GetID());
BitStream.pBitStream->WriteBit(canCollide);
m_pPlayerManager->BroadcastOnlyJoined(CElementRPCPacket(element, SET_ELEMENT_COLLIDABLE_WITH, *BitStream.pBitStream));
return true;
}
default:
break;
}
break;
}
default:
break;
}
return false;
}
1 change: 1 addition & 0 deletions Server/mods/deathmatch/logic/CStaticFunctionDefinitions.h
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Original file line number Diff line number Diff line change
Expand Up @@ -771,4 +771,5 @@ class CStaticFunctionDefinitions
static const char* GetOperatingSystemName();
static const char* GetVersionBuildTag();
static CMtaVersion GetVersionSortable();
static bool SetElementCollidableWith(CElement* element, CElement* withElement, bool canCollide);
};
12 changes: 12 additions & 0 deletions Server/mods/deathmatch/logic/luadefs/CLuaElementDefs.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,9 @@

#include "StdInc.h"
#include "CLuaElementDefs.h"

std::vector<CLuaElementDefs::ElementPair> CLuaElementDefs::elements;

#include "CStaticFunctionDefinitions.h"
#include "CScriptArgReader.h"
#include "CDummy.h"
Expand Down Expand Up @@ -104,6 +107,7 @@ void CLuaElementDefs::LoadFunctions()
{"setElementFrozen", setElementFrozen},
{"setLowLODElement", setLowLODElement},
{"setElementOnFire", ArgumentParser<SetElementOnFire>},
{"setElementCollidableWith", ArgumentParser<SetElementCollidableWith>},
};

// Add functions
Expand Down Expand Up @@ -2460,3 +2464,11 @@ bool CLuaElementDefs::SetElementOnFire(CElement* element, bool onFire) noexcept
{
return CStaticFunctionDefinitions::SetElementOnFire(element, onFire);
}

bool CLuaElementDefs::SetElementCollidableWith(CElement* element, CElement* withElement, bool canCollide)
{

elements.push_back({element, withElement, canCollide}); // Store the pair in the vector
return CStaticFunctionDefinitions::SetElementCollidableWith(element, withElement, canCollide); // Set collision state

}
10 changes: 10 additions & 0 deletions Server/mods/deathmatch/logic/luadefs/CLuaElementDefs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -108,4 +108,14 @@ class CLuaElementDefs : public CLuaDefs
LUA_DECLARE(setLowLODElement);
LUA_DECLARE(setElementCallPropagationEnabled);
static bool SetElementOnFire(CElement* element, bool onFire) noexcept;
static bool SetElementCollidableWith(CElement* element, CElement* withElement, bool canCollide);

struct ElementPair
{
CElement* element1; // Could be any type
CElement* element2;
bool canCollide;
};

static vector<ElementPair> elements;
};
14 changes: 14 additions & 0 deletions Server/mods/deathmatch/logic/packets/CEntityAddPacket.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
#include "CVehicleManager.h"
#include "CHandlingManager.h"
#include "CGame.h"
#include <luadefs/CLuaElementDefs.h>

//
// Temporary helper functions for fixing crashes on pre r6459 clients.
Expand Down Expand Up @@ -1142,6 +1143,19 @@ bool CEntityAddPacket::Write(NetBitStreamInterface& BitStream) const
}
}

auto& pair = CLuaElementDefs::elements; // Static vector of ElementPair

BitStream.WriteCompressed(pair.size()); // Get the size of the vector and write it to the bitstream
printf("Server: CLuaElementDefs::elements size: %zu\n", pair.size());

for (const auto& data : pair)
{
printf("SetElementCollidableWith called: %p %p %d\n", data.element1, data.element2, data.canCollide);
BitStream.Write(data.element1->GetID());
BitStream.Write(data.element2->GetID());
BitStream.WriteBit(data.canCollide);
}

// Success
return true;
}
Expand Down
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