Example #1
0
        public override void Initialise(IMesher meshmerizer, IScene scene)
        {
            Scene                = scene;
            mesher               = meshmerizer;
            _taintOperations     = new List <TaintCallbackEntry>();
            _postTaintOperations = new Dictionary <string, TaintCallbackEntry>();
            _postStepOperations  = new List <TaintCallbackEntry>();
            PhysObjects          = new Dictionary <uint, BSPhysObject>();
            Shapes               = new BSShapeCollection(this);

            // Allocate pinned memory to pass parameters.
            UnmanagedParams = new ConfigurationParameters[1];

            // Set default values for physics parameters plus any overrides from the ini file
            GetInitialParameterValues(scene.Config);

            // Get the connection to the physics engine (could be native or one of many DLLs)
            PE = SelectUnderlyingBulletEngine(BulletEngineName);

            // Enable very detailed logging.
            // By creating an empty logger when not logging, the log message invocation code
            //     can be left in and every call doesn't have to check for null.

            /*if (m_physicsLoggingEnabled)
             * {
             *  PhysicsLogging = new Logging.LogWriter(m_physicsLoggingDir, m_physicsLoggingPrefix, m_physicsLoggingFileMinutes);
             *  PhysicsLogging.ErrorLogger = m_log; // for DEBUG. Let's the logger output error messages.
             * }
             * else
             * {
             *  PhysicsLogging = new Logging.LogWriter();
             * }*/

            // Allocate memory for returning of the updates and collisions from the physics engine
            m_collisionArray = new CollisionDesc[m_maxCollisionsPerFrame];
            m_updateArray    = new EntityProperties[m_maxUpdatesPerFrame];

            // The bounding box for the simulated world. The origin is 0,0,0 unless we're
            //    a child in a mega-region.
            // Bullet actually doesn't care about the extents of the simulated
            //    area. It tracks active objects no matter where they are.
            Vector3 worldExtent = new Vector3(Constants.RegionSize, Constants.RegionSize, Constants.RegionHeight);

            World = PE.Initialize(worldExtent, Params, m_maxCollisionsPerFrame, ref m_collisionArray, m_maxUpdatesPerFrame, ref m_updateArray);

            Constraints = new BSConstraintCollection(World);

            TerrainManager = new BSTerrainManager(this);
            TerrainManager.CreateInitialGroundPlaneAndTerrain();

            MainConsole.Instance.WarnFormat("{0} Linksets implemented with {1}", LogHeader, (BSLinkset.LinksetImplementation)BSParam.LinksetImplementation);

            InTaintTime   = false;
            m_initialized = true;
        }
Example #2
0
    public override void Initialise(IMesher meshmerizer, IConfigSource config)
    {
        mesher = meshmerizer;
        _taintOperations = new List<TaintCallbackEntry>();
        _postTaintOperations = new Dictionary<string, TaintCallbackEntry>();
        _postStepOperations = new List<TaintCallbackEntry>();
        PhysObjects = new Dictionary<uint, BSPhysObject>();
        Shapes = new BSShapeCollection(this);

        m_simulatedTime = 0f;
        LastTimeStep = 0.1f;

        // Allocate pinned memory to pass parameters.
        UnmanagedParams = new ConfigurationParameters[1];

        // Set default values for physics parameters plus any overrides from the ini file
        GetInitialParameterValues(config);

        // Get the connection to the physics engine (could be native or one of many DLLs)
        PE = SelectUnderlyingBulletEngine(BulletEngineName);

        // Enable very detailed logging.
        // By creating an empty logger when not logging, the log message invocation code
        //     can be left in and every call doesn't have to check for null.
        if (m_physicsLoggingEnabled)
        {
            PhysicsLogging = new Logging.LogWriter(m_physicsLoggingDir, m_physicsLoggingPrefix, m_physicsLoggingFileMinutes, m_physicsLoggingDoFlush);
            PhysicsLogging.ErrorLogger = m_log; // for DEBUG. Let's the logger output its own error messages.
        }
        else
        {
            PhysicsLogging = new Logging.LogWriter();
        }

        // Allocate memory for returning of the updates and collisions from the physics engine
        m_collisionArray = new CollisionDesc[m_maxCollisionsPerFrame];
        m_updateArray = new EntityProperties[m_maxUpdatesPerFrame];

        // The bounding box for the simulated world. The origin is 0,0,0 unless we're
        //    a child in a mega-region.
        // Bullet actually doesn't care about the extents of the simulated
        //    area. It tracks active objects no matter where they are.
        Vector3 worldExtent = new Vector3(Constants.RegionSize, Constants.RegionSize, Constants.RegionHeight);

        World = PE.Initialize(worldExtent, Params, m_maxCollisionsPerFrame, ref m_collisionArray, m_maxUpdatesPerFrame, ref m_updateArray);

        Constraints = new BSConstraintCollection(World);

        TerrainManager = new BSTerrainManager(this);
        TerrainManager.CreateInitialGroundPlaneAndTerrain();

        // Put some informational messages into the log file.
        m_log.InfoFormat("{0} Linksets implemented with {1}", LogHeader, (BSLinkset.LinksetImplementation)BSParam.LinksetImplementation);

        InTaintTime = false;
        m_initialized = true;

        // If the physics engine runs on its own thread, start same.
        if (BSParam.UseSeparatePhysicsThread)
        {
            // The physics simulation should happen independently of the heartbeat loop
            m_physicsThread = new Thread(BulletSPluginPhysicsThread);
            m_physicsThread.Name = BulletEngineName;
            m_physicsThread.Start();
        }
    }
Example #3
0
    public override void Initialise(IMesher meshmerizer, IConfigSource config)
    {
        mesher = meshmerizer;
        _taintedObjects = new List<TaintCallbackEntry>();
        PhysObjects = new Dictionary<uint, BSPhysObject>();
        Shapes = new BSShapeCollection(this);

        // Allocate pinned memory to pass parameters.
        m_params = new ConfigurationParameters[1];
        m_paramsHandle = GCHandle.Alloc(m_params, GCHandleType.Pinned);

        // Set default values for physics parameters plus any overrides from the ini file
        GetInitialParameterValues(config);

        // allocate more pinned memory close to the above in an attempt to get the memory all together
        m_collisionArray = new CollisionDesc[m_maxCollisionsPerFrame];
        m_collisionArrayPinnedHandle = GCHandle.Alloc(m_collisionArray, GCHandleType.Pinned);
        m_updateArray = new EntityProperties[m_maxUpdatesPerFrame];
        m_updateArrayPinnedHandle = GCHandle.Alloc(m_updateArray, GCHandleType.Pinned);

        // Enable very detailed logging.
        // By creating an empty logger when not logging, the log message invocation code
        //     can be left in and every call doesn't have to check for null.
        if (m_physicsLoggingEnabled)
        {
            PhysicsLogging = new Logging.LogWriter(m_physicsLoggingDir, m_physicsLoggingPrefix, m_physicsLoggingFileMinutes);
        }
        else
        {
            PhysicsLogging = new Logging.LogWriter();
        }

        // If Debug logging level, enable logging from the unmanaged code
        m_DebugLogCallbackHandle = null;
        if (m_log.IsDebugEnabled || PhysicsLogging.Enabled)
        {
            m_log.DebugFormat("{0}: Initialize: Setting debug callback for unmanaged code", LogHeader);
            if (PhysicsLogging.Enabled)
                // The handle is saved in a variable to make sure it doesn't get freed after this call
                m_DebugLogCallbackHandle = new BulletSimAPI.DebugLogCallback(BulletLoggerPhysLog);
            else
                m_DebugLogCallbackHandle = new BulletSimAPI.DebugLogCallback(BulletLogger);
        }

        // Get the version of the DLL
        // TODO: this doesn't work yet. Something wrong with marshaling the returned string.
        // BulletSimVersion = BulletSimAPI.GetVersion();
        // m_log.WarnFormat("{0}: BulletSim.dll version='{1}'", LogHeader, BulletSimVersion);

        // The bounding box for the simulated world. The origin is 0,0,0 unless we're
        //    a child in a mega-region.
        // Turns out that Bullet really doesn't care about the extents of the simulated
        //    area. It tracks active objects no matter where they are.
        Vector3 worldExtent = new Vector3(Constants.RegionSize, Constants.RegionSize, Constants.RegionHeight);

        // m_log.DebugFormat("{0}: Initialize: Calling BulletSimAPI.Initialize.", LogHeader);
        WorldID = BulletSimAPI.Initialize(worldExtent, m_paramsHandle.AddrOfPinnedObject(),
                                        m_maxCollisionsPerFrame, m_collisionArrayPinnedHandle.AddrOfPinnedObject(),
                                        m_maxUpdatesPerFrame, m_updateArrayPinnedHandle.AddrOfPinnedObject(),
                                        m_DebugLogCallbackHandle);

        // Initialization to support the transition to a new API which puts most of the logic
        //   into the C# code so it is easier to modify and add to.
        World = new BulletSim(WorldID, this, BulletSimAPI.GetSimHandle2(WorldID));

        Constraints = new BSConstraintCollection(World);

        TerrainManager = new BSTerrainManager(this);
        TerrainManager.CreateInitialGroundPlaneAndTerrain();

        m_initialized = true;
    }