Add new world special property: vehicleburnexplosions (PR #4040)

Author: samr46

Client/game_sa/CGameSA.cpp

@@ -911,6 +911,25 @@ void CGameSA::SetIgnoreFireStateEnabled(bool isEnabled)
     m_isIgnoreFireStateEnabled = isEnabled;
 }
 
+void CGameSA::SetVehicleBurnExplosionsEnabled(bool isEnabled)
+{
+    if (isEnabled == m_isVehicleBurnExplosionsEnabled)
+        return;
+
+    if (isEnabled)
+    {
+        MemCpy((void*)0x6A74EA, "\xE8\x61\xF5\x08\x00", 5);            // CAutomobile::ProcessCarOnFireAndExplode
+        MemCpy((void*)0x737929, "\xE8\x22\xF1\xFF\xFF", 5);            // CExplosion::Update
+    }
+    else
+    {
+        MemSet((void*)0x6A74EA, 0x90, 5);
+        MemSet((void*)0x737929, 0x90, 5);
+    }
+
+    m_isVehicleBurnExplosionsEnabled = isEnabled;
+}
+
 bool CGameSA::PerformChecks()
 {
     std::map<std::string, SCheatSA*>::iterator it;

Client/game_sa/CGameSA.h

@@ -259,6 +259,9 @@ class CGameSA : public CGame
     bool IsIgnoreFireStateEnabled() const noexcept override { return m_isIgnoreFireStateEnabled; }
     void SetIgnoreFireStateEnabled(bool isEnabled) override;
 
+    bool IsVehicleBurnExplosionsEnabled() const noexcept override { return m_isVehicleBurnExplosionsEnabled; }
+    void SetVehicleBurnExplosionsEnabled(bool isEnabled) override;
+
     unsigned long GetMinuteDuration();
     void          SetMinuteDuration(unsigned long ulTime);
 
@@ -390,6 +393,7 @@ class CGameSA : public CGame
     bool         m_isGameWorldRemoved{false};
     bool         m_isExtendedWaterCannonsEnabled{false};
     bool         m_isIgnoreFireStateEnabled{false};
+    bool         m_isVehicleBurnExplosionsEnabled{true};
 
     static unsigned int&  ClumpOffset;
 

Client/mods/deathmatch/logic/CClientGame.cpp

@@ -6054,6 +6054,9 @@ bool CClientGame::SetWorldSpecialProperty(const WorldSpecialProperty property, c
         case WorldSpecialProperty::FLYINGCOMPONENTS:
             m_pVehicleManager->SetSpawnFlyingComponentEnabled(enabled);
             break;
+        case WorldSpecialProperty::VEHICLEBURNEXPLOSIONS:
+            g_pGame->SetVehicleBurnExplosionsEnabled(enabled);
+            break;
         default:
             return false;
     }
@@ -6098,6 +6101,8 @@ bool CClientGame::IsWorldSpecialProperty(const WorldSpecialProperty property)
             return g_pGame->IsIgnoreFireStateEnabled();
         case WorldSpecialProperty::FLYINGCOMPONENTS:
             return m_pVehicleManager->IsSpawnFlyingComponentEnabled();
+        case WorldSpecialProperty::VEHICLEBURNEXPLOSIONS:
+            return g_pGame->IsVehicleBurnExplosionsEnabled();
     }
 
     return false;
@@ -6815,6 +6820,9 @@ void CClientGame::ResetWorldProperties(const ResetWorldPropsInfo& resetPropsInfo
         g_pGame->SetRoadSignsTextEnabled(true);
         g_pGame->SetExtendedWaterCannonsEnabled(true);
         g_pGame->SetTunnelWeatherBlendEnabled(true);
+        g_pGame->SetIgnoreFireStateEnabled(false);
+        m_pVehicleManager->SetSpawnFlyingComponentEnabled(true);
+        g_pGame->SetVehicleBurnExplosionsEnabled(true);
     }
 
     // Reset all setWorldProperty to default

Client/mods/deathmatch/logic/CPacketHandler.cpp

@@ -2401,6 +2401,7 @@ void CPacketHandler::Packet_MapInfo(NetBitStreamInterface& bitStream)
     g_pClientGame->SetWorldSpecialProperty(WorldSpecialProperty::TUNNELWEATHERBLEND, wsProps.data5.tunnelweatherblend);
     g_pClientGame->SetWorldSpecialProperty(WorldSpecialProperty::IGNOREFIRESTATE, wsProps.data6.ignoreFireState);
     g_pClientGame->SetWorldSpecialProperty(WorldSpecialProperty::FLYINGCOMPONENTS, wsProps.data7.flyingcomponents);
+    g_pClientGame->SetWorldSpecialProperty(WorldSpecialProperty::VEHICLEBURNEXPLOSIONS, wsProps.data8.vehicleburnexplosions);
 
     float fJetpackMaxHeight = 100;
     if (!bitStream.Read(fJetpackMaxHeight))

Client/sdk/game/CGame.h

@@ -238,6 +238,9 @@ class __declspec(novtable) CGame
     virtual bool IsIgnoreFireStateEnabled() const noexcept = 0;
     virtual void SetIgnoreFireStateEnabled(bool isEnabled) = 0;
 
+    virtual bool IsVehicleBurnExplosionsEnabled() const noexcept = 0;
+    virtual void SetVehicleBurnExplosionsEnabled(bool isEnabled) = 0;
+
     virtual CWeapon*     CreateWeapon() = 0;
     virtual CWeaponStat* CreateWeaponStat(eWeaponType weaponType, eWeaponSkill weaponSkill) = 0;
 

Server/mods/deathmatch/logic/CGame.cpp

@@ -261,6 +261,7 @@ CGame::CGame() : m_FloodProtect(4, 30000, 30000)            // Max of 4 connecti
     m_WorldSpecialProps[WorldSpecialProperty::TUNNELWEATHERBLEND] = true;
     m_WorldSpecialProps[WorldSpecialProperty::IGNOREFIRESTATE] = false;
     m_WorldSpecialProps[WorldSpecialProperty::FLYINGCOMPONENTS] = true;
+    m_WorldSpecialProps[WorldSpecialProperty::VEHICLEBURNEXPLOSIONS] = true;
 
     m_JetpackWeapons[WEAPONTYPE_MICRO_UZI] = true;
     m_JetpackWeapons[WEAPONTYPE_TEC9] = true;
@@ -4517,6 +4518,9 @@ void CGame::ResetWorldProperties(const ResetWorldPropsInfo& resetPropsInfo)
         g_pGame->SetWorldSpecialPropertyEnabled(WorldSpecialProperty::ROADSIGNSTEXT, true);
         g_pGame->SetWorldSpecialPropertyEnabled(WorldSpecialProperty::EXTENDEDWATERCANNONS, true);
         g_pGame->SetWorldSpecialPropertyEnabled(WorldSpecialProperty::TUNNELWEATHERBLEND, true);
+        g_pGame->SetWorldSpecialPropertyEnabled(WorldSpecialProperty::IGNOREFIRESTATE, false);
+        g_pGame->SetWorldSpecialPropertyEnabled(WorldSpecialProperty::FLYINGCOMPONENTS, true);
+        g_pGame->SetWorldSpecialPropertyEnabled(WorldSpecialProperty::VEHICLEBURNEXPLOSIONS, true);
     }
 
     // Reset all weather stuff like heat haze, wind velocity etc

Server/mods/deathmatch/logic/packets/CMapInfoPacket.cpp

@@ -194,6 +194,7 @@ bool CMapInfoPacket::Write(NetBitStreamInterface& BitStream) const
         wsProps.data5.tunnelweatherblend = g_pGame->IsWorldSpecialPropertyEnabled(WorldSpecialProperty::TUNNELWEATHERBLEND);
         wsProps.data6.ignoreFireState = g_pGame->IsWorldSpecialPropertyEnabled(WorldSpecialProperty::IGNOREFIRESTATE);
         wsProps.data7.flyingcomponents = g_pGame->IsWorldSpecialPropertyEnabled(WorldSpecialProperty::FLYINGCOMPONENTS);
+        wsProps.data8.vehicleburnexplosions = g_pGame->IsWorldSpecialPropertyEnabled(WorldSpecialProperty::VEHICLEBURNEXPLOSIONS);
         BitStream.Write(&wsProps);
     }
 

Shared/mods/deathmatch/logic/Enums.cpp

@@ -118,6 +118,7 @@ ADD_ENUM(WorldSpecialProperty::ROADSIGNSTEXT, "roadsignstext")
 ADD_ENUM(WorldSpecialProperty::TUNNELWEATHERBLEND, "tunnelweatherblend")
 ADD_ENUM(WorldSpecialProperty::IGNOREFIRESTATE, "ignorefirestate")
 ADD_ENUM(WorldSpecialProperty::FLYINGCOMPONENTS, "flyingcomponents")
+ADD_ENUM(WorldSpecialProperty::VEHICLEBURNEXPLOSIONS, "vehicleburnexplosions")
 IMPLEMENT_ENUM_CLASS_END("world-special-property")
 
 IMPLEMENT_ENUM_BEGIN(ePacketID)

Shared/mods/deathmatch/logic/Enums.h

@@ -95,6 +95,7 @@ enum class WorldSpecialProperty
     TUNNELWEATHERBLEND,
     IGNOREFIRESTATE,
     FLYINGCOMPONENTS,
+    VEHICLEBURNEXPLOSIONS,
 };
 DECLARE_ENUM_CLASS(WorldSpecialProperty);
 

Shared/sdk/net/SyncStructures.h

@@ -2079,6 +2079,10 @@ struct SWorldSpecialPropertiesStateSync : public ISyncStructure
     {
         BITCOUNT7 = 1
     };
+    enum
+    {
+        BITCOUNT8 = 1
+    };
 
     bool Read(NetBitStreamInterface& bitStream)
     {
@@ -2112,6 +2116,11 @@ struct SWorldSpecialPropertiesStateSync : public ISyncStructure
             isOK &= bitStream.ReadBits(reinterpret_cast<char*>(&data7), BITCOUNT7);
         else
             data7.flyingcomponents = true;
+
+        if (bitStream.Can(eBitStreamVersion::WorldSpecialProperty_VehicleBurnExplosions))
+            isOK &= bitStream.ReadBits(reinterpret_cast<char*>(&data8), BITCOUNT8);
+        else
+            data8.vehicleburnexplosions = true;
 
         //// Example for adding item:
         // if (bitStream.Can(eBitStreamVersion::YourProperty))
@@ -2142,6 +2151,9 @@ struct SWorldSpecialPropertiesStateSync : public ISyncStructure
         if (bitStream.Can(eBitStreamVersion::WorldSpecialProperty_FlyingComponents))
             bitStream.WriteBits(reinterpret_cast<const char*>(&data7), BITCOUNT7);
 
+        if (bitStream.Can(eBitStreamVersion::WorldSpecialProperty_VehicleBurnExplosions))
+            bitStream.WriteBits(reinterpret_cast<const char*>(&data8), BITCOUNT8);
+
         //// Example for adding item:
         // if (bitStream.Can(eBitStreamVersion::YourProperty))
         //     bitStream.WriteBits(reinterpret_cast<const char*>(&data9), BITCOUNT9);
@@ -2193,6 +2205,11 @@ struct SWorldSpecialPropertiesStateSync : public ISyncStructure
     {
         bool flyingcomponents : 1;
     } data7;
+
+    struct
+    {
+        bool vehicleburnexplosions : 1;
+    } data8;
 
     SWorldSpecialPropertiesStateSync()
     {
@@ -2215,6 +2232,7 @@ struct SWorldSpecialPropertiesStateSync : public ISyncStructure
         data5.tunnelweatherblend = true;
         data6.ignoreFireState = false;
         data7.flyingcomponents = true;
+        data8.vehicleburnexplosions = true;
     }
 };