Add LOD management functions

Client/mods/deathmatch/logic/lua/CLuaFunctionDefs.Util.cpp

@@ -9,6 +9,29 @@
  *****************************************************************************/
 
 #include "StdInc.h"
+#include "CLodModels.h"
+
+int CLuaFunctionDefs::GetObjectLODModel(lua_State* luaVM)
+{
+    std::uint32_t    objectID;
+    CScriptArgReader argStream(luaVM);
+    argStream.ReadNumber(objectID);
+
+    if (argStream.HasErrors())
+    {
+        m_pScriptDebugging->LogCustom(luaVM, argStream.GetFullErrorMessage());
+        lua_pushboolean(luaVM, false);
+    }
+    else
+    {
+        std::uint32_t lodModel = CLodModels::GetObjectLODModel(objectID);
+        if (lodModel == 0) // LOD Model not found for Object Model provided
+            lua_pushnil(luaVM);
+        else
+            lua_pushnumber(luaVM, lodModel);
+    }
+    return 1;
+}
 
 int CLuaFunctionDefs::GetValidPedModels(lua_State* luaVM)
 {

Client/mods/deathmatch/logic/lua/CLuaFunctionDefs.h

@@ -74,6 +74,7 @@ class CLuaFunctionDefs
     // Util functions to make scripting easier for the end user
     // Some of these are based on standard mIRC script funcs as a lot of people will be used to them
     LUA_DECLARE(GetValidPedModels);
+    LUA_DECLARE(GetObjectLODModel);
     LUA_DECLARE(SetDevelopmentMode);
     LUA_DECLARE(GetDevelopmentMode);
 

Client/mods/deathmatch/logic/lua/CLuaManager.cpp

@@ -196,6 +196,7 @@ void CLuaManager::LoadCFunctions()
 
         // Util functions
         {"getValidPedModels", CLuaFunctionDefs::GetValidPedModels},
+        {"getObjectLODModel", CLuaFunctionDefs::GetObjectLODModel},
         {"downloadFile", CLuaFunctionDefs::DownloadFile},
 
         // Input functions

Server/mods/deathmatch/logic/luadefs/CLuaFunctionDefs.Server.cpp

@@ -16,13 +16,36 @@
 #include "ASE.h"
 #include "CStaticFunctionDefinitions.h"
 #include "CPerfStatManager.h"
+#include "CLodModels.h"
 
 #define MIN_SERVER_REQ_CALLREMOTE_QUEUE_NAME                "1.5.3-9.11270"
 #define MIN_SERVER_REQ_CALLREMOTE_CONNECTION_ATTEMPTS       "1.3.0-9.04563"
 #define MIN_SERVER_REQ_CALLREMOTE_CONNECT_TIMEOUT           "1.3.5"
 #define MIN_SERVER_REQ_CALLREMOTE_OPTIONS_TABLE             "1.5.4-9.11342"
 #define MIN_SERVER_REQ_CALLREMOTE_OPTIONS_FORMFIELDS        "1.5.4-9.11413"
 
+int CLuaFunctionDefs::GetObjectLODModel(lua_State* luaVM)
+{
+    std::uint32_t    objectID;
+    CScriptArgReader argStream(luaVM);
+    argStream.ReadNumber(objectID);
+
+    if (argStream.HasErrors())
+    {
+        m_pScriptDebugging->LogCustom(luaVM, argStream.GetFullErrorMessage());
+        lua_pushboolean(luaVM, false);
+    }
+    else
+    {
+        std::uint32_t lodModel = CLodModels::GetObjectLODModel(objectID);
+        if (lodModel == 0)            // LOD Model not found for Object Model provided
+            lua_pushnil(luaVM);
+        else
+            lua_pushnumber(luaVM, lodModel);
+    }
+    return 1;
+}
+
 int CLuaFunctionDefs::AddCommandHandler(lua_State* luaVM)
 {
     //  bool addCommandHandler ( string commandName, function handlerFunction, [bool restricted = false, bool caseSensitive = true] )

Server/mods/deathmatch/logic/luadefs/CLuaFunctionDefs.cpp

@@ -76,7 +76,7 @@ void CLuaFunctionDefs::LoadFunctions()
             // Utility
             {"getVersion", CLuaFunctionDefs::GetVersion}, {"getNetworkUsageData", CLuaFunctionDefs::GetNetworkUsageData},
             {"getNetworkStats", CLuaFunctionDefs::GetNetworkStats}, {"getLoadedModules", CLuaFunctionDefs::GetModules},
-            {"getModuleInfo", CLuaFunctionDefs::GetModuleInfo},
+            {"getModuleInfo", CLuaFunctionDefs::GetModuleInfo}, {"getObjectLODModel", CLuaFunctionDefs::GetObjectLODModel},
 
             {"setDevelopmentMode", CLuaFunctionDefs::SetDevelopmentMode}, {"getDevelopmentMode", CLuaFunctionDefs::GetDevelopmentMode},
     };

Server/mods/deathmatch/logic/luadefs/CLuaFunctionDefs.h

@@ -117,6 +117,7 @@ class CLuaFunctionDefs : public CLuaDefs
     LUA_DECLARE(GetVersion);
     LUA_DECLARE(GetModules);
     LUA_DECLARE(GetModuleInfo);
+    LUA_DECLARE(GetObjectLODModel);
 
     LUA_DECLARE(SetDevelopmentMode);
     LUA_DECLARE(GetDevelopmentMode);

Shared/mods/deathmatch/logic/CLodModels.h

@@ -0,0 +1,31 @@
+/*****************************************************************************
+ *
+ *  PROJECT:     Multi Theft Auto v1.0
+ *               (Shared logic for modifications)
+ *  LICENSE:     See LICENSE in the top level directory
+ *  FILE:        mods/shared_logic/CLodModels.h
+ *
+ *****************************************************************************/
+#pragma once
+
+#include <map>
+#include <memory>
+#include <cstdint>
+
+class CLodModels
+{
+public:
+    static std::uint32_t GetObjectLODModel(std::uint32_t objectID)
+    {
+        const auto it = LOD_MODELS->find(objectID);
+        if (it != LOD_MODELS->end())
+        {
+            return it->second;
+        }
+        return 0;
+    };
+
+private:
+    // Static pointer to a map that is initialized in the .cpp file
+    static std::unique_ptr<const std::map<std::uint32_t, std::uint32_t>> LOD_MODELS;
+};