New function setElementLighting (#3905)

setElementLighting

Author: FileEX

Client/game_sa/CPhysicalSA.h

@@ -104,8 +104,8 @@ class CPhysicalSAInterface : public CEntitySAInterface
     CVector                   m_vecUnk;                                   // 280
     uint32                    m_pad4;                                     // 292
     CPtrNodeDoubleLink<void>* m_pControlCodeNodeLink;                           // 296
-    float                     m_fLighting;                                // 300
-    float                     m_fLighting2;                               // 304
+    float                     m_fLighting;                                // 300 surface brightness
+    float                     m_fLighting2;                               // 304 dynamic lighting (unused, always set to 0 in the GTA code)
     class CShadowDataSA*      m_pShadowData;                              // 308
 
     CRect*      GetBoundRect_(CRect* pRect);

Client/mods/deathmatch/logic/luadefs/CLuaElementDefs.cpp

@@ -99,6 +99,7 @@ void CLuaElementDefs::LoadFunctions()
         {"setElementFrozen", SetElementFrozen},
         {"setLowLODElement", ArgumentParser<SetLowLodElement>},
         {"setElementCallPropagationEnabled", SetElementCallPropagationEnabled},
+        {"setElementLighting", ArgumentParser<SetElementLighting>},
     };
 
     // Add functions
@@ -191,6 +192,7 @@ void CLuaElementDefs::AddClass(lua_State* luaVM)
     lua_classfunction(luaVM, "setLowLOD", "setLowLODElement");
     lua_classfunction(luaVM, "setCallPropagationEnabled", "setElementCallPropagationEnabled");
     lua_classfunction(luaVM, "setStreamable", "setElementStreamable");
+    lua_classfunction(luaVM, "setLighting", "setElementLighting");
 
     lua_classvariable(luaVM, "callPropagationEnabled", "setElementCallPropagationEnabled", "isElementCallPropagationEnabled");
     lua_classvariable(luaVM, "waitingForGroundToLoad", NULL, "isElementWaitingForGroundToLoad");
@@ -225,6 +227,7 @@ void CLuaElementDefs::AddClass(lua_State* luaVM)
     lua_classvariable(luaVM, "velocity", SetElementVelocity, OOP_GetElementVelocity);
     lua_classvariable(luaVM, "angularVelocity", SetElementAngularVelocity, OOP_GetElementTurnVelocity);
     lua_classvariable(luaVM, "isElement", NULL, "isElement");
+    lua_classvariable(luaVM, "lighting", "setElementLighting", "getElementLighting");
     // TODO: Support element data: player.data["age"] = 1337; <=> setElementData(player, "age", 1337)
 
     lua_registerclass(luaVM, "Element");
@@ -1340,6 +1343,7 @@ std::variant<bool, float> CLuaElementDefs::GetElementLighting(CClientEntity* ent
             break;
         }
         case CCLIENTOBJECT:
+        case CCLIENTWEAPON:
         {
             CObject* object = static_cast<CClientObject*>(entity)->GetGameObject();
             if (object)
@@ -2604,3 +2608,41 @@ int CLuaElementDefs::IsElementWaitingForGroundToLoad(lua_State* luaVM)
     lua_pushboolean(luaVM, false);
     return 1;
 }
+
+bool CLuaElementDefs::SetElementLighting(CClientEntity* entity, float lighting)
+{
+    switch (entity->GetType())
+    {
+        case CCLIENTPLAYER:
+        case CCLIENTPED:
+        {
+            auto* ped = static_cast<CClientPed*>(entity)->GetGamePlayer();
+            if (!ped)
+                return false;
+
+            ped->SetLighting(lighting);
+            return true;
+        }
+        case CCLIENTVEHICLE:
+        {
+            auto* vehicle = static_cast<CClientVehicle*>(entity)->GetGameVehicle();
+            if (!vehicle)
+                return false;
+
+            vehicle->SetLighting(lighting);
+            return true;
+        }
+        case CCLIENTOBJECT:
+        case CCLIENTWEAPON:
+        {
+            auto* object = static_cast<CClientObject*>(entity)->GetGameObject();
+            if (!object)
+                return false;
+
+            object->SetLighting(lighting);
+            return true;
+        }
+    }
+
+    return false;
+}

Client/mods/deathmatch/logic/luadefs/CLuaElementDefs.h

@@ -99,4 +99,5 @@ class CLuaElementDefs : public CLuaDefs
     LUA_DECLARE(SetElementFrozen);
     static bool SetLowLodElement(lua_State* luaVM, CClientEntity* pEntity, std::optional<CClientEntity*> pLowLodEntity);
     LUA_DECLARE(SetElementCallPropagationEnabled);
+    static bool SetElementLighting(CClientEntity* entity, float lighting);
 };