Add damageable objects support

TheNormalnij · Oct 13, 2024 · 3eee671 · 3eee671
1 parent 550a152
commit 3eee671
Show file tree

Hide file tree

Showing 7 changed files with 60 additions and 1 deletion.
diff --git a/Client/game_sa/CModelInfoSA.cpp b/Client/game_sa/CModelInfoSA.cpp
@@ -1744,6 +1744,24 @@ void CModelInfoSA::MakeObjectModel(ushort usBaseID)
     CopyStreamingInfoFromModel(usBaseID);
 }
 
+void CModelInfoSA::MakeObjectDamagableModel(std::uint16_t baseModel)
+{
+    CDamageableModelInfoSAInterface* m_pInterface = new CDamageableModelInfoSAInterface();
+
+    CDamageableModelInfoSAInterface* pBaseObjectInfo = static_cast<CDamageableModelInfoSAInterface*>(ppModelInfo[baseModel]);
+    MemCpyFast(m_pInterface, pBaseObjectInfo, sizeof(CDamageableModelInfoSAInterface));
+    m_pInterface->usNumberOfRefs = 0;
+    m_pInterface->pRwObject = nullptr;
+    m_pInterface->usUnknown = 65535;
+    m_pInterface->usDynamicIndex = 65535;
+    m_pInterface->m_damagedAtomic = nullptr;
+
+    ppModelInfo[m_dwModelID] = m_pInterface;
+
+    m_dwParentID = baseModel;
+    CopyStreamingInfoFromModel(baseModel);
+}
+
 void CModelInfoSA::MakeTimedObjectModel(ushort usBaseID)
 {
     CTimeModelInfoSAInterface* m_pInterface = new CTimeModelInfoSAInterface();
@@ -1809,7 +1827,14 @@ void CModelInfoSA::DeallocateModel(void)
             delete reinterpret_cast<CPedModelInfoSAInterface*>(ppModelInfo[m_dwModelID]);
             break;
         case eModelInfoType::ATOMIC:
-            delete reinterpret_cast<CBaseModelInfoSAInterface*>(ppModelInfo[m_dwModelID]);
+            if (IsDamageableAtomic())
+            {
+                delete reinterpret_cast<CDamageableModelInfoSAInterface*>(ppModelInfo[m_dwModelID]);
+            }
+            else
+            {
+                delete reinterpret_cast<CBaseModelInfoSAInterface*>(ppModelInfo[m_dwModelID]);
+            }
             break;
         case eModelInfoType::CLUMP:
             delete reinterpret_cast<CClumpModelInfoSAInterface*>(ppModelInfo[m_dwModelID]);
@@ -2064,6 +2089,12 @@ bool CModelInfoSA::IsTowableBy(CModelInfo* towingModel)
     return isTowable;
 }
 
+bool CModelInfoSA::IsDamageableAtomic()
+{
+    void* asDamagable = ((void* (*)())m_pInterface->VFTBL->AsDamageAtomicModelInfoPtr)();
+    return asDamagable != nullptr;
+}
+
 //////////////////////////////////////////////////////////////////////////////////////////
 //
 // CModelInfoSA::ForceUnload

diff --git a/Client/game_sa/CModelInfoSA.h b/Client/game_sa/CModelInfoSA.h
@@ -259,6 +259,12 @@ class CTimeModelInfoSAInterface : public CBaseModelInfoSAInterface
     CTimeInfoSAInterface timeInfo;
 };
 
+class CDamageableModelInfoSAInterface : public CBaseModelInfoSAInterface
+{
+public:
+    void* m_damagedAtomic;
+};
+
 class CVehicleModelVisualInfoSAInterface            // Not sure about this name. If somebody knows more, please change
 {
 public:
@@ -447,6 +453,7 @@ class CModelInfoSA : public CModelInfo
     // CModelInfoSA methods
     void         MakePedModel(char* szTexture);
     void         MakeObjectModel(ushort usBaseModelID);
+    void         MakeObjectDamagableModel(std::uint16_t usBaseModelID) override;
     void         MakeVehicleAutomobile(ushort usBaseModelID);
     void         MakeTimedObjectModel(ushort usBaseModelID);
     void         MakeClumpModel(ushort usBaseModelID);
@@ -467,6 +474,7 @@ class CModelInfoSA : public CModelInfo
     bool IsTowableBy(CModelInfo* towingModel) override;
 
     bool IsDynamic() { return m_pInterface ? m_pInterface->usDynamicIndex != 0xffff : false; };
+    bool IsDamageableAtomic() override;
 
 private:
     void CopyStreamingInfoFromModel(ushort usCopyFromModelID);

diff --git a/Client/mods/deathmatch/logic/CClientModel.cpp b/Client/mods/deathmatch/logic/CClientModel.cpp
@@ -51,6 +51,17 @@ bool CClientModel::Allocate(ushort usParentID)
                 return true;
             }
             break;
+        case eClientModelType::OBJECT_DAMAGEABLE:
+        {
+            bool isValidModel = g_pClientGame->GetObjectManager()->IsValidModel(usParentID);
+            bool isDamagable = pParentModelInfo->IsDamageableAtomic();
+            if (isValidModel && isDamagable)
+            {
+                pModelInfo->MakeObjectDamagableModel(usParentID);
+                return true;
+            }
+            break;
+        }
         case eClientModelType::CLUMP:
             if (g_pClientGame->GetObjectManager()->IsValidModel(usParentID))
             {
@@ -109,6 +120,7 @@ void CClientModel::RestoreEntitiesUsingThisModel()
     {
         case eClientModelType::PED:
         case eClientModelType::OBJECT:
+        case eClientModelType::OBJECT_DAMAGEABLE:
         case eClientModelType::CLUMP:
         case eClientModelType::TIMED_OBJECT:
         case eClientModelType::VEHICLE:
@@ -174,6 +186,7 @@ void CClientModel::RestoreDFF(CModelInfo* pModelInfo)
         }
         case eClientModelType::CLUMP:
         case eClientModelType::OBJECT:
+        case eClientModelType::OBJECT_DAMAGEABLE:
         case eClientModelType::TIMED_OBJECT:
         {
             const auto&    objects = &g_pClientGame->GetManager()->GetObjectManager()->GetObjects();

diff --git a/Client/mods/deathmatch/logic/CClientModel.h b/Client/mods/deathmatch/logic/CClientModel.h
@@ -18,6 +18,7 @@ enum class eClientModelType
 {
     PED,
     OBJECT,
+    OBJECT_DAMAGEABLE,
     VEHICLE,
     TIMED_OBJECT,
     CLUMP,

diff --git a/Client/mods/deathmatch/logic/lua/CLuaFunctionParseHelpers.cpp b/Client/mods/deathmatch/logic/lua/CLuaFunctionParseHelpers.cpp
@@ -675,6 +675,7 @@ IMPLEMENT_ENUM_END("surface-adhesion-group")
 IMPLEMENT_ENUM_CLASS_BEGIN(eClientModelType)
 ADD_ENUM(eClientModelType::PED, "ped")
 ADD_ENUM(eClientModelType::OBJECT, "object")
+ADD_ENUM(eClientModelType::OBJECT_DAMAGEABLE, "object-damageable")
 ADD_ENUM(eClientModelType::VEHICLE, "vehicle")
 ADD_ENUM(eClientModelType::TIMED_OBJECT, "timed-object")
 ADD_ENUM(eClientModelType::CLUMP, "clump")

diff --git a/Client/mods/deathmatch/logic/luadefs/CLuaEngineDefs.cpp b/Client/mods/deathmatch/logic/luadefs/CLuaEngineDefs.cpp
@@ -892,6 +892,9 @@ int CLuaEngineDefs::EngineRequestModel(lua_State* luaVM)
                             case eClientModelType::OBJECT:
                                 usParentID = 1337;            // BinNt07_LA (trash can)
                                 break;
+                            case eClientModelType::OBJECT_DAMAGEABLE:
+                                usParentID = 994;             // lhouse_barrier2
+                                break;
                             case eClientModelType::VEHICLE:
                                 usParentID = VT_LANDSTAL;
                                 break;

diff --git a/Client/sdk/game/CModelInfo.h b/Client/sdk/game/CModelInfo.h
@@ -233,6 +233,7 @@ class CModelInfo
     virtual RwObject* GetRwObject() = 0;
     virtual void      MakePedModel(char* szTexture) = 0;
     virtual void      MakeObjectModel(unsigned short usBaseID) = 0;
+    virtual void      MakeObjectDamagableModel(std::uint16_t baseID) = 0;
     virtual void      MakeVehicleAutomobile(unsigned short usBaseID) = 0;
     virtual void      MakeTimedObjectModel(unsigned short usBaseID) = 0;
     virtual void      MakeClumpModel(unsigned short usBaseID) = 0;
@@ -249,4 +250,5 @@ class CModelInfo
 
     virtual unsigned int GetParentID() = 0;
     virtual bool         IsDynamic() = 0;
+    virtual bool         IsDamageableAtomic() = 0;
 };
-Original file line number
+Diff line change
@@ Expand Up / @@ -18,6 +18,7 @@ enum class eClientModelType @@
     {
         PED,
         OBJECT,
+        OBJECT_DAMAGEABLE,
         VEHICLE,
         TIMED_OBJECT,
         CLUMP,
@@ Expand Down @@