Package com.jme3.system

Class NullContext

java.lang.Object
com.jme3.system.NullContext
All Implemented Interfaces:
JmeContext, Runnable
public class NullContext extends Object implements JmeContext, Runnable

  • Field Details

  • Constructor Details

    • NullContext

      public NullContext()

  • Method Details

    • getType

      public JmeContext.Type getType()
      Specified by:
      getType in interface JmeContext
      Returns:
      The type of the context.

    • getSystemListener

      public SystemListener getSystemListener()
      Accesses the listener that receives events related to this context.
      Specified by:
      getSystemListener in interface JmeContext
      Returns:
      the pre-existing instance

    • setSystemListener

      public void setSystemListener(SystemListener listener)
      Description copied from interface: JmeContext
      Sets the listener that will receive events relating to context creation, update, and destroy.
      Specified by:
      setSystemListener in interface JmeContext
      Parameters:
      listener - the desired listener

    • initInThread

      protected void initInThread()

    • deinitInThread

      protected void deinitInThread()

    • sync

      public void sync(int fps)

    • run

      public void run()
      Specified by:
      run in interface Runnable

    • destroy

      public void destroy(boolean waitFor)
      Description copied from interface: JmeContext
      Destroys the context completely, making it inactive.
      Specified by:
      destroy in interface JmeContext
      Parameters:
      waitFor - If true, will wait until the context is destroyed fully.

    • create

      public void create(boolean waitFor)
      Description copied from interface: JmeContext
      Creates the context and makes it active.
      Specified by:
      create in interface JmeContext
      Parameters:
      waitFor - If true, will wait until context has initialized.

    • restart

      public void restart()
      Description copied from interface: JmeContext
      Destroys and then re-creates the context. This should be called after the display settings have been changed.
      Specified by:
      restart in interface JmeContext

    • setAutoFlushFrames

      public void setAutoFlushFrames(boolean enabled)
      Specified by:
      setAutoFlushFrames in interface JmeContext
      Parameters:
      enabled - If enabled, the context will automatically flush frames to the video card (swap buffers) after an update cycle.

    • getMouseInput

      public MouseInput getMouseInput()
      Specified by:
      getMouseInput in interface JmeContext
      Returns:
      Mouse input implementation. May be null if not available.

    • getKeyInput

      public KeyInput getKeyInput()
      Specified by:
      getKeyInput in interface JmeContext
      Returns:
      Keyboard input implementation. May be null if not available.

    • getJoyInput

      public JoyInput getJoyInput()
      Specified by:
      getJoyInput in interface JmeContext
      Returns:
      Joystick input implementation. May be null if not available.

    • getTouchInput

      public TouchInput getTouchInput()
      Specified by:
      getTouchInput in interface JmeContext
      Returns:
      Touch device input implementation. May be null if not available.

    • setTitle

      public void setTitle(String title)
      Description copied from interface: JmeContext
      Sets the title of the display (if available). This does nothing for fullscreen, headless, or canvas contexts.
      Specified by:
      setTitle in interface JmeContext
      Parameters:
      title - The new title of the display.

    • create

      public void create()

    • destroy

      public void destroy()

    • waitFor

      protected void waitFor(boolean createdVal)

    • isCreated

      public boolean isCreated()
      Specified by:
      isCreated in interface JmeContext
      Returns:
      True if the context has been created but not yet destroyed.

    • setSettings

      public void setSettings(AppSettings settings)
      Specified by:
      setSettings in interface JmeContext
      Parameters:
      settings - the display settings to use for the created context. If the context has already been created, then restart() must be called for the changes to be applied.

    • getSettings

      public AppSettings getSettings()
      Specified by:
      getSettings in interface JmeContext
      Returns:
      The current display settings. Note that they might be different from the ones set with setDisplaySettings() if the context was restarted or the settings changed internally.

    • getRenderer

      public Renderer getRenderer()
      Specified by:
      getRenderer in interface JmeContext
      Returns:
      The renderer for this context, or null if not created yet.

    • getTimer

      public Timer getTimer()
      Specified by:
      getTimer in interface JmeContext
      Returns:
      The timer for this context, or null if not created yet.

    • isRenderable

      public boolean isRenderable()
      Specified by:
      isRenderable in interface JmeContext
      Returns:
      True if the context contains a valid render surface, if any of the rendering methods in Renderer are called while this is false, then the result is undefined.

    • getOpenCLContext

      public Context getOpenCLContext()
      Specified by:
      getOpenCLContext in interface JmeContext
      Returns:
      The OpenCL context if available.

    • getFramebufferHeight

      public int getFramebufferHeight()
      Returns the height of the framebuffer.
      Specified by:
      getFramebufferHeight in interface JmeContext
      Returns:
      the height (in pixels)
      Throws:
      UnsupportedOperationException

    • getFramebufferWidth

      public int getFramebufferWidth()
      Returns the width of the framebuffer.
      Specified by:
      getFramebufferWidth in interface JmeContext
      Returns:
      the width (in pixels)
      Throws:
      UnsupportedOperationException

    • getWindowXPosition

      public int getWindowXPosition()
      Returns the screen X coordinate of the left edge of the content area.
      Specified by:
      getWindowXPosition in interface JmeContext
      Returns:
      the screen X coordinate
      Throws:
      UnsupportedOperationException

    • getWindowYPosition

      public int getWindowYPosition()
      Returns the screen Y coordinate of the top edge of the content area.
      Specified by:
      getWindowYPosition in interface JmeContext
      Returns:
      the screen Y coordinate
      Throws:
      UnsupportedOperationException