Method resolveModuleDependencies

Engine/source/module/moduleManager.cpp:2294–2432

//-----------------------------------------------------------------------------

bool ModuleManager::resolveModuleDependencies( StringTableEntry moduleId, const U32 versionId, StringTableEntry moduleGroup, bool synchronizedOnly, typeModuleLoadEntryVector& moduleResolvingQueue, typeModuleLoadEntryVector& moduleReadyQueue )
{
    // Fetch the module Id ready entry.
    ModuleLoadEntry* pLoadReadyEntry = findModuleReady( moduleId, moduleReadyQueue );

    // Is there a load entry?
    if ( pLoadReadyEntry )
    {
        // Yes, so finish if the version Id is not important,
        if ( versionId == 0 )
            return true;

        // Finish if the version Id are compatible.
        if ( versionId == pLoadReadyEntry->mpModuleDefinition->getVersionId() )
            return true;

        // Is it a strict version Id?
        if ( pLoadReadyEntry->mStrictVersionId )
        {
            // Yes, so warn.
            Con::warnf( "Module Manager: A module dependency was detected loading module Id '%s' at version Id '%d' in group '%s' but an version Id '%d' is also required.",
                moduleId, versionId, pLoadReadyEntry->mpModuleDefinition->getVersionId(), moduleGroup );
            return false;
        }

        // No, so find the required module version Id.
        ModuleDefinitionEntry::iterator definitionItr = findModuleDefinition( moduleId, versionId );

        // Did we find the requested module definition.
        if ( definitionItr == NULL )
        {
            // No, so we can safely ignore the missing dependency if we're not enforcing dependencies.
            if ( !mEnforceDependencies )
                return true;

            // Warn!
            Con::warnf( "Module Manager: A missing module dependency was detected loading module Id '%s' at version Id '%d' in group '%s'.",
                moduleId, versionId, moduleGroup );
            return false;
        }

        // Set the new module definition.
        pLoadReadyEntry->mpModuleDefinition = *definitionItr;

        // Set strict version Id.
        pLoadReadyEntry->mStrictVersionId = true;
                
        return true;
    }

    // Is the module Id load resolving?
    if ( findModuleResolving( moduleId, moduleResolvingQueue ) != NULL )
    {
        // Yes, so a cycle has been detected so warn.
        Con::warnf( "Module Manager: A cyclic dependency was detected resolving module Id '%s' at version Id '%d' in group '%s'.",
            moduleId, versionId, moduleGroup );
        return false;
    }