Add createBuilding for server

Client/mods/deathmatch/logic/CClientGame.h

@@ -129,8 +129,12 @@ class CClientGame
         SCRIPTFILE,
         WATER,
         WEAPON,
-        POINTLIGHTS,
+        _DATABASE_CONNECTION, // server only
+        TRAIN_TRACK,
+        ROOT,
         UNKNOWN,
+        BUILDING,
+        POINTLIGHTS,
     };
 
     enum

Client/mods/deathmatch/logic/CPacketHandler.cpp

@@ -4218,6 +4218,26 @@ void CPacketHandler::Packet_EntityAdd(NetBitStreamInterface& bitStream)
                     break;
                 }
 
+                case CClientGame::BUILDING:
+                {
+                    std::uint16_t        modelId;
+                    SRotationRadiansSync rotationRadians(false);
+
+                    // Read out the position, rotation, object ID
+                    bitStream.Read(&position);
+                    bitStream.Read(&rotationRadians);
+                    bitStream.ReadCompressed(modelId);
+
+                    if (!CClientBuildingManager::IsValidModel(modelId))
+                        modelId = 1700;
+
+                    bitStream.Read(LowLodObjectID);
+                    CClientBuilding* pBuilding = new CClientBuilding(g_pClientGame->m_pManager, EntityID, modelId, position.data.vecPosition, rotationRadians.data.vecRotation, ucInterior);
+
+                    pBuilding->SetUsesCollision(bCollisonsEnabled);
+                    break;
+                }
+
                 default:
                 {
                     assert(0);
@@ -4287,10 +4307,18 @@ void CPacketHandler::Packet_EntityAdd(NetBitStreamInterface& bitStream)
 
         if (TempLowLodObjectID != INVALID_ELEMENT_ID)
         {
-            CClientObject* pTempObject = DynamicCast<CClientObject>(pTempEntity);
-            CClientObject* pLowLodObject = DynamicCast<CClientObject>(CElementIDs::GetElement(TempLowLodObjectID));
-            if (pTempObject)
-                pTempObject->SetLowLodObject(pLowLodObject);
+            if (CClientObject* pTempObject = DynamicCast<CClientObject>(pTempEntity))
+            {
+                CClientObject* pLowLodObject = DynamicCast<CClientObject>(CElementIDs::GetElement(TempLowLodObjectID));
+                if (pTempObject)
+                    pTempObject->SetLowLodObject(pLowLodObject);
+            }
+            else if (CClientBuilding* pTempObject = DynamicCast<CClientBuilding>(pTempEntity))
+            {
+                CClientBuilding* pLowLod = DynamicCast<CClientBuilding>(CElementIDs::GetElement(TempLowLodObjectID));
+                if (pTempObject)
+                    pTempObject->SetLowLodBuilding(pLowLod);
+            }
         }
 
         delete pEntityStuff;

Client/mods/deathmatch/logic/rpc/CElementRPCs.cpp

@@ -499,6 +499,22 @@ void CElementRPCs::SetElementModel(CClientEntity* pSource, NetBitStreamInterface
                 pObject->CallEvent("onClientElementModelChange", Arguments, true);
             }
 
+            break;
+        }
+        case CCLIENTBUILDING:
+        {
+            CClientBuilding* building = static_cast<CClientBuilding*>(pSource);
+            const auto       currentModel = building->GetModel();
+
+            if (currentModel != usModel)
+            {
+                building->SetModel(usModel);
+                CLuaArguments Arguments;
+                Arguments.PushNumber(currentModel);
+                Arguments.PushNumber(usModel);
+                building->CallEvent("onClientElementModelChange", Arguments, true);
+            }
+
             break;
         }
     }
@@ -543,6 +559,12 @@ void CElementRPCs::SetElementCollisionsEnabled(CClientEntity* pSource, NetBitStr
                 pObject->SetCollisionEnabled(bEnable);
                 break;
             }
+
+            case CCLIENTBUILDING:
+            {
+                static_cast<CClientBuilding*>(pSource)->SetUsesCollision(bEnable);
+                break;
+            }
         }
     }
 }
@@ -594,6 +616,13 @@ void CElementRPCs::SetLowLodElement(CClientEntity* pSource, NetBitStreamInterfac
                 pObject->SetLowLodObject(pLowLodObject);
                 break;
             }
+            case CCLIENTBUILDING:
+            {
+                CClientBuilding* pLowLodBuilding = DynamicCast<CClientBuilding>(CElementIDs::GetElement(LowLodObjectID));
+                CClientBuilding* pBuilding = static_cast<CClientBuilding*>(pSource);
+                pBuilding->SetLowLodBuilding(pLowLodBuilding);
+                break;
+            }
         }
     }
 }

Server/mods/deathmatch/logic/CBuilding.cpp

@@ -0,0 +1,214 @@
+/*****************************************************************************
+ *
+ *  PROJECT:     Multi Theft Auto v1.0
+ *  LICENSE:     See LICENSE in the top level directory
+ *  FILE:        mods/deathmatch/logic/CBuilding.cpp
+ *  PURPOSE:     Object entity class
+ *
+ *  Multi Theft Auto is available from http://www.multitheftauto.com/
+ *
+ *****************************************************************************/
+
+#include "StdInc.h"
+#include "CBuilding.h"
+#include "CBuildingManager.h"
+#include "CLogger.h"
+#include "Utils.h"
+
+extern CGame* g_pGame;
+
+CBuilding::CBuilding(CElement* pParent, CBuildingManager* pBuildingManager) : CElement(pParent)
+{
+    // Init
+    m_iType = CElement::BUILDING;
+    SetTypeName("buidling");
+
+    m_pBuildingManager = pBuildingManager;
+    m_model = 0xFFFF;
+    m_alpha = 255;
+    m_bDoubleSided = false;
+    m_bCollisionsEnabled = true;
+    m_pLowLodBuilding = nullptr;
+    m_pHighLodBuilding = nullptr;
+
+    // Add us to the manager's list
+    pBuildingManager->AddToList(this);
+}
+
+CBuilding::CBuilding(const CBuilding& Copy) : CElement(Copy.m_pParent), m_pLowLodBuilding(Copy.m_pLowLodBuilding)
+{
+    // Init
+    m_iType = CElement::BUILDING;
+    SetTypeName("buidling");
+
+    m_pBuildingManager = Copy.m_pBuildingManager;
+    m_model = Copy.m_model;
+    m_alpha = Copy.m_alpha;
+    m_bDoubleSided = Copy.m_bDoubleSided;
+    m_vecPosition = Copy.m_vecPosition;
+    m_vecRotation = Copy.m_vecRotation;
+    m_bCollisionsEnabled = Copy.m_bCollisionsEnabled;
+    m_pHighLodBuilding = nullptr;
+
+    // Add us to the manager's list
+    m_pBuildingManager->AddToList(this);
+    UpdateSpatialData();
+}
+
+CBuilding::~CBuilding()
+{
+    // Unlink us from manager
+    Unlink();
+}
+
+CElement* CBuilding::Clone(bool* bAddEntity, CResource* pResource)
+{
+    return new CBuilding(*this);
+}
+
+void CBuilding::Unlink()
+{
+    // Remove us from the manager's list
+    m_pBuildingManager->RemoveFromList(this);
+
+    // Remove LowLod refs in others
+    SetLowLodBuilding(nullptr);
+
+    if (m_pHighLodBuilding)
+        m_pHighLodBuilding->SetLowLodBuilding(nullptr);
+}
+
+bool CBuilding::ReadSpecialData(const int iLine)
+{
+    // Grab the "posX" data
+    if (!GetCustomDataFloat("posX", m_vecPosition.fX, true))
+    {
+        CLogger::ErrorPrintf("Bad/missing 'posX' attribute in <building> (line %d)\n", iLine);
+        return false;
+    }
+
+    // Grab the "posY" data
+    if (!GetCustomDataFloat("posY", m_vecPosition.fY, true))
+    {
+        CLogger::ErrorPrintf("Bad/missing 'posY' attribute in <building> (line %d)\n", iLine);
+        return false;
+    }
+
+    // Grab the "posZ" data
+    if (!GetCustomDataFloat("posZ", m_vecPosition.fZ, true))
+    {
+        CLogger::ErrorPrintf("Bad/missing 'posZ' attribute in <building> (line %d)\n", iLine);
+        return false;
+    }
+
+    // Grab the "rotX", "rotY" and "rotZ" data
+    GetCustomDataFloat("rotX", m_vecRotation.fX, true);
+    GetCustomDataFloat("rotY", m_vecRotation.fY, true);
+    GetCustomDataFloat("rotZ", m_vecRotation.fZ, true);
+    // We store radians, but load degrees
+    ConvertDegreesToRadians(m_vecRotation);
+
+    // Grab the "model" data
+    int iTemp;
+    if (GetCustomDataInt("model", iTemp, true))
+    {
+        // Valid id?
+        if (!CBuildingManager::IsValidModel(iTemp))
+        {
+            CLogger::ErrorPrintf("Bad 'model' (%d) id specified in <building> (line %d)\n", iTemp, iLine);
+            return false;
+        }
+
+        // Set the building id
+        m_model = static_cast<unsigned short>(iTemp);
+    }
+    else
+    {
+        CLogger::ErrorPrintf("Bad/missing 'model' attribute in <building> (line %d)\n", iLine);
+        return false;
+    }
+
+    if (GetCustomDataInt("interior", iTemp, true))
+        m_ucInterior = static_cast<unsigned char>(iTemp);
+
+    if (!GetCustomDataBool("collisions", m_bCollisionsEnabled, true))
+        m_bCollisionsEnabled = true;
+
+    return true;
+}
+
+void CBuilding::GetMatrix(CMatrix& matrix)
+{
+    matrix.vPos = GetPosition();
+    CVector vecRotation;
+    GetRotation(vecRotation);
+
+    // Do extra calculation to change rotation order if it will make a difference
+    if (vecRotation.fX != 0 && vecRotation.fY != 0)
+    {
+        ConvertRadiansToDegreesNoWrap(vecRotation);
+        vecRotation = ConvertEulerRotationOrder(vecRotation, EULER_ZXY, EULER_ZYX);
+        ConvertDegreesToRadiansNoWrap(vecRotation);
+    }
+    matrix.SetRotation(vecRotation);
+}
+
+void CBuilding::SetMatrix(const CMatrix& matrix)
+{
+    // Set position and rotation from matrix
+    SetPosition(matrix.vPos);
+    CVector vecRotation = matrix.GetRotation();
+    SetRotation(vecRotation);
+}
+
+const CVector& CBuilding::GetPosition()
+{
+    return m_vecPosition;
+}
+
+void CBuilding::SetPosition(const CVector& vecPosition)
+{
+    // Different position?
+    if (m_vecPosition != vecPosition)
+    {
+        // Update our vectors
+        m_vecPosition = vecPosition;
+        UpdateSpatialData();
+    }
+}
+
+void CBuilding::GetRotation(CVector& vecRotation)
+{
+    vecRotation = m_vecRotation;
+}
+
+void CBuilding::SetRotation(const CVector& vecRotation)
+{
+    m_vecRotation = vecRotation;
+}
+
+bool CBuilding::SetLowLodBuilding(CBuilding* pNewLowLodBuilding) noexcept
+{
+    // Set or clear?
+    if (!pNewLowLodBuilding)
+    {
+        if (m_pLowLodBuilding)
+        {
+            m_pLowLodBuilding->SetHighLodObject(nullptr);
+            m_pLowLodBuilding = nullptr;
+        }
+        m_pLowLodBuilding = nullptr;
+        return true;
+    }
+    else
+    {
+        // Remove any previous link
+        SetLowLodBuilding(nullptr);
+
+        // Make new link
+        m_pLowLodBuilding = pNewLowLodBuilding;
+        pNewLowLodBuilding->SetHighLodObject(this);
+        return true;
+    }
+}
+