fix(CI): re-enable -Werror compile flag (#256)

Author: sudlud

.github/workflows/core-build-base.yml

@@ -58,6 +58,8 @@ jobs:
             -DCMAKE_BUILD_TYPE="Release" \
             -DCMAKE_CXX_COMPILER_LAUNCHER="ccache" \
             -DCMAKE_C_COMPILER_LAUNCHER="ccache" \
+            -DCMAKE_C_FLAGS="-Werror" \
+            -DCMAKE_CXX_FLAGS="-Werror" \
             -DLUA_VERSION=${{ inputs.lua_version }}
           make -j$(nproc)
           cd ..

src/LuaEngine/lmarshal.cpp

@@ -204,7 +204,7 @@ static void mar_encode_value(lua_State *L, mar_Buffer *buf, int val, size_t *idx
         }
         else {
             mar_Buffer rec_buf;
-            unsigned int i;
+            unsigned char i;
             lua_Debug ar;
             lua_pop(L, 1); /* pop nil */
 

src/LuaEngine/methods/MapMethods.h

@@ -358,13 +358,13 @@ namespace LuaMap
      */
     int GetCreaturesByAreaId(lua_State* L, Map* map)
     {
-        uint32 areaId = Eluna::CHECKVAL<uint32>(L, 2, -1);
+        int32 areaId = Eluna::CHECKVAL<int32>(L, 2, -1);
         std::vector<Creature*> filteredCreatures;
 
         for (const auto& pair : map->GetCreatureBySpawnIdStore())
         {
             Creature* creature = pair.second;
-            if (areaId == -1 || creature->GetAreaId() == areaId)
+            if (areaId == -1 || creature->GetAreaId() == (uint32)areaId)
             {
                 filteredCreatures.push_back(creature);
             }