AbstractShadowRenderer (jMonkeyEngine3)

java.lang.Object
- com.jme3.shadow.AbstractShadowRenderer

All Implemented Interfaces:

Savable, SceneProcessor, JmeCloneable, java.lang.Cloneable

Direct Known Subclasses:

DirectionalLightShadowRenderer, PointLightShadowRenderer, SpotLightShadowRenderer
```
public abstract class AbstractShadowRenderer
extends java.lang.Object
implements SceneProcessor, Savable, JmeCloneable, java.lang.Cloneable
```
abstract shadow renderer that holds commons feature to have for a shadow renderer

Field Summary

Fields
Modifier and Type	Field and Description
`protected AssetManager`	`assetManager`
`protected boolean`	`debug`
`protected Picture[]`	`dispPic`
`protected Texture2D`	`dummyTex`
`protected EdgeFilteringMode`	`edgeFilteringMode`
`protected float`	`edgesThickness`
`protected Vector2f`	`fadeInfo`
`protected float`	`fadeLength`
`protected RenderState`	`forcedRenderState`
`protected Camera`	`frustumCam`
`protected GeometryList`	`lightReceivers`
`protected Matrix4f[]`	`lightViewProjectionsMatrices`
`protected static java.util.logging.Logger`	`logger`
`protected java.util.List<Material>`	`matCache` list of materials for post shadow queue geometries
`protected int`	`nbShadowMaps`
`protected boolean`	`needsfallBackMaterial` true if the fallback material should be used, otherwise false
`protected Material`	`postshadowMat`
`protected java.lang.String`	`postTechniqueName` name of the post material technique
`protected Material`	`preshadowMat`
`protected AppProfiler`	`prof`
`protected boolean`	`renderBackFacesShadows`
`protected RenderManager`	`renderManager`
`protected CompareMode`	`shadowCompareMode`
`protected FrameBuffer[]`	`shadowFB`
`protected float`	`shadowIntensity`
`protected GeometryList`	`shadowMapOccluders`
`protected Texture2D[]`	`shadowMaps`
`protected float`	`shadowMapSize`
`protected boolean`	`skipPostPass` true to skip the post pass when there are no shadow casters
`protected ViewPort`	`viewPort`
`protected float`	`zFarOverride` fade shadows at distance

Constructor Summary

Constructors
Modifier	Constructor and Description
`protected`	`AbstractShadowRenderer()` used for serialization
`protected`	`AbstractShadowRenderer(AssetManager assetManager, int shadowMapSize, int nbShadowMaps)` Create an abstract shadow renderer.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`protected abstract boolean`	`checkCulling(Camera viewCam)`
`void`	`cleanup()` Called when the SP is removed from the RM.
`protected abstract void`	`clearMaterialParameters(Material material)` This method is called once per frame and is responsible for clearing any material parameters that subclasses may need to clear on the post material.
`void`	`cloneFields(Cloner cloner, java.lang.Object original)` Implemented to perform deep cloning for this object, resolving local cloned references using the specified cloner.
`protected Geometry`	`createFrustum(Vector3f[] pts, int i)` debug function to create a visible frustum
`void`	`displayDebug()` For debugging purposes, "snapshot" the current frustum to the scene.
`void`	`displayFrustum()`
`protected void`	`displayShadowMap(Renderer r)` For debugging purposes, display depth shadow maps.
`protected void`	`doDisplayFrustumDebug(int shadowMapIndex)` responsible for displaying the frustum of the shadow cam for debug purpose
`EdgeFilteringMode`	`getEdgeFilteringMode()` returns the edge filtering mode
`int`	`getEdgesThickness()` returns the edges thickness
`int`	`getNumShadowMaps()` Read the number of shadow maps rendered by this renderer.
`protected abstract GeometryList`	`getOccludersToRender(int shadowMapIndex, GeometryList shadowMapOccluders)` Returns a subclass-specific geometryList containing the occluders to be rendered in the shadow map
`RenderState`	`getPreShadowForcedRenderState()` returns the pre shadows pass render state.
`protected abstract void`	`getReceivers(GeometryList lightReceivers)`
`protected abstract Camera`	`getShadowCam(int shadowMapIndex)` return the shadow camera to use for rendering the shadow map according the given index
`CompareMode`	`getShadowCompareMode()` returns the shadow compare mode
`float`	`getShadowIntensity()` Returns the shadow intensity.
`int`	`getShadowMapSize()` Read the size of each shadow map rendered by this renderer.
`float`	`getShadowZExtend()` How far the shadows are rendered in the view
`float`	`getShadowZFadeLength()` get the length over which the shadow will fade out when using a shadowZextend
`protected void`	`initForcedRenderState()`
`protected abstract void`	`initFrustumCam()` delegates the initialization of the frustum cam to child renderers
`void`	`initialize(RenderManager rm, ViewPort vp)` Initialize this shadow renderer prior to its first update.
`boolean`	`isFlushQueues()` Deprecated.
`boolean`	`isInitialized()` Test whether this shadow renderer has been initialized.
`boolean`	`isRenderBackFacesShadows()` if this processor renders back faces shadows
`java.lang.Object`	`jmeClone()` Performs a regular shallow clone of the object.
`void`	`postFrame(FrameBuffer out)` Called after a frame has been rendered and the queue flushed.
`void`	`postQueue(RenderQueue rq)` Called after the scene graph has been queued, but before it is flushed.
`void`	`preFrame(float tpf)` Called before a frame
`void`	`read(JmeImporter im)` De-serialize this instance, for example when loading from a J3O file.
`protected void`	`renderShadowMap(int shadowMapIndex)`
`void`	`reshape(ViewPort vp, int w, int h)` Called when the resolution of the viewport has been changed.
`void`	`setEdgeFilteringMode(EdgeFilteringMode filterMode)` Sets the filtering mode for shadow edges.
`void`	`setEdgesThickness(int edgesThickness)` Sets the shadow edges thickness.
`protected abstract void`	`setMaterialParameters(Material material)` This method is called once per frame and is responsible for setting any material parameters that subclasses may need to set on the post material.
`protected void`	`setPostShadowMaterial(Material postShadowMat)` set the post shadow material for this renderer
`protected void`	`setPostShadowParams()` for internal use only
`void`	`setProfiler(AppProfiler profiler)` Sets a profiler Instance for this processor.
`void`	`setRenderBackFacesShadows(java.lang.Boolean renderBackFacesShadows)` Set to true if you want back faces shadows on geometries.
`void`	`setShadowCompareMode(CompareMode compareMode)` Sets the shadow compare mode.
`void`	`setShadowIntensity(float shadowIntensity)` Set the shadowIntensity.
`void`	`setShadowZExtend(float zFar)` Set the distance from the eye where the shadows will be rendered default value is dynamically computed to the shadow casters/receivers union bound zFar, capped to view frustum far value.
`void`	`setShadowZFadeLength(float length)` Define the length over which the shadow will fade out when using a shadowZextend This is useful to make dynamic shadows fade into baked shadows in the distance.
`protected abstract void`	`updateShadowCams(Camera viewCam)` Invoked once per frame to update the shadow cams according to the light view.
`void`	`write(JmeExporter ex)` Serialize this instance, for example when saving to a J3O file.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - logger
```
protected static final java.util.logging.Logger logger
```
  - nbShadowMaps
```
protected int nbShadowMaps
```
  - shadowMapSize
```
protected float shadowMapSize
```
  - shadowIntensity
```
protected float shadowIntensity
```
  - renderManager
```
protected RenderManager renderManager
```
  - viewPort
```
protected ViewPort viewPort
```
  - shadowFB
```
protected FrameBuffer[] shadowFB
```
  - shadowMaps
```
protected Texture2D[] shadowMaps
```
  - dummyTex
```
protected Texture2D dummyTex
```
  - preshadowMat
```
protected Material preshadowMat
```
  - postshadowMat
```
protected Material postshadowMat
```
  - lightViewProjectionsMatrices
```
protected Matrix4f[] lightViewProjectionsMatrices
```
  - assetManager
```
protected AssetManager assetManager
```
  - debug
```
protected boolean debug
```
  - edgesThickness
```
protected float edgesThickness
```
  - edgeFilteringMode
```
protected EdgeFilteringMode edgeFilteringMode
```
  - shadowCompareMode
```
protected CompareMode shadowCompareMode
```
  - dispPic
```
protected Picture[] dispPic
```
  - forcedRenderState
```
protected RenderState forcedRenderState
```
  - renderBackFacesShadows
```
protected boolean renderBackFacesShadows
```
  - prof
```
protected AppProfiler prof
```
  - needsfallBackMaterial
```
protected boolean needsfallBackMaterial
```
    true if the fallback material should be used, otherwise false
  - postTechniqueName
```
protected java.lang.String postTechniqueName
```
    name of the post material technique
  - matCache
```
protected java.util.List<Material> matCache
```
    list of materials for post shadow queue geometries
  - lightReceivers
```
protected GeometryList lightReceivers
```
  - shadowMapOccluders
```
protected GeometryList shadowMapOccluders
```
  - zFarOverride
```
protected float zFarOverride
```
    fade shadows at distance
  - fadeInfo
```
protected Vector2f fadeInfo
```
  - fadeLength
```
protected float fadeLength
```
  - frustumCam
```
protected Camera frustumCam
```
  - skipPostPass
```
protected boolean skipPostPass
```
    true to skip the post pass when there are no shadow casters
- Constructor Detail
  - AbstractShadowRenderer
```
protected AbstractShadowRenderer()
```
    used for serialization
  - AbstractShadowRenderer
```
protected AbstractShadowRenderer(AssetManager assetManager,
                                 int shadowMapSize,
                                 int nbShadowMaps)
```
    Create an abstract shadow renderer. Subclasses invoke this constructor.
    
    Parameters:
    
    assetManager - the application asset manager
    
    shadowMapSize - the size of the rendered shadow maps (512,1024,2048, etc...)
    
    nbShadowMaps - the number of shadow maps rendered (the more shadow maps the more quality, the fewer fps).
- Method Detail
  - initForcedRenderState
```
protected void initForcedRenderState()
```
  - setPostShadowMaterial
```
protected final void setPostShadowMaterial(Material postShadowMat)
```
    set the post shadow material for this renderer
    
    Parameters:
    
    postShadowMat - the desired Material (alias created)
  - setEdgeFilteringMode
```
public final void setEdgeFilteringMode(EdgeFilteringMode filterMode)
```
    Sets the filtering mode for shadow edges. See EdgeFilteringMode for more info.
    
    Parameters:
    
    filterMode - the desired filtering mode (not null)
  - getEdgeFilteringMode
```
public EdgeFilteringMode getEdgeFilteringMode()
```
    returns the edge filtering mode
    
    Returns:
    
    the enum value
    
    See Also:
    
    EdgeFilteringMode
  - setShadowCompareMode
```
public final void setShadowCompareMode(CompareMode compareMode)
```
    Sets the shadow compare mode. See CompareMode for more info.
    
    Parameters:
    
    compareMode - the desired compare mode (not null)
  - getShadowCompareMode
```
public CompareMode getShadowCompareMode()
```
    returns the shadow compare mode
    
    Returns:
    
    the shadowCompareMode
    
    See Also:
    
    CompareMode
  - createFrustum
```
protected Geometry createFrustum(Vector3f[] pts,
                                 int i)
```
    debug function to create a visible frustum
    
    Parameters:
    
    pts - optional storage for vertex positions (may be null)
    
    i - the index of the desired wire color (default=White)
    
    Returns:
    
    a new Geometry
  - initialize
```
public void initialize(RenderManager rm,
                       ViewPort vp)
```
    Initialize this shadow renderer prior to its first update.
    
    Specified by:
    
    initialize in interface SceneProcessor
    
    Parameters:
    
    rm - the render manager
    
    vp - the viewport
  - initFrustumCam
```
protected abstract void initFrustumCam()
```
    delegates the initialization of the frustum cam to child renderers
  - isInitialized
```
public boolean isInitialized()
```
    Test whether this shadow renderer has been initialized.
    
    Specified by:
    
    isInitialized in interface SceneProcessor
    
    Returns:
    
    true if initialized, otherwise false
  - updateShadowCams
```
protected abstract void updateShadowCams(Camera viewCam)
```
    Invoked once per frame to update the shadow cams according to the light view.
    
    Parameters:
    
    viewCam - the scene cam
  - getOccludersToRender
```
protected abstract GeometryList getOccludersToRender(int shadowMapIndex,
                                                     GeometryList shadowMapOccluders)
```
    Returns a subclass-specific geometryList containing the occluders to be rendered in the shadow map
    
    Parameters:
    
    shadowMapIndex - the index of the shadow map being rendered
    
    shadowMapOccluders - the list of occluders
    
    Returns:
    
    the geometryList
  - getShadowCam
```
protected abstract Camera getShadowCam(int shadowMapIndex)
```
    return the shadow camera to use for rendering the shadow map according the given index
    
    Parameters:
    
    shadowMapIndex - the index of the shadow map being rendered
    
    Returns:
    
    the shadowCam
  - doDisplayFrustumDebug
```
protected void doDisplayFrustumDebug(int shadowMapIndex)
```
    responsible for displaying the frustum of the shadow cam for debug purpose
    
    Parameters:
    
    shadowMapIndex - the index of the shadow map
  - postQueue
```
public void postQueue(RenderQueue rq)
```
    Description copied from interface: SceneProcessor
    
    Called after the scene graph has been queued, but before it is flushed.
    
    Specified by:
    
    postQueue in interface SceneProcessor
    
    Parameters:
    
    rq - The render queue
  - renderShadowMap
```
protected void renderShadowMap(int shadowMapIndex)
```
  - displayFrustum
```
public void displayFrustum()
```
  - displayShadowMap
```
protected void displayShadowMap(Renderer r)
```
    For debugging purposes, display depth shadow maps.
    
    Parameters:
    
    r - ignored
  - displayDebug
```
public void displayDebug()
```
    For debugging purposes, "snapshot" the current frustum to the scene.
  - getReceivers
```
protected abstract void getReceivers(GeometryList lightReceivers)
```
  - postFrame
```
public void postFrame(FrameBuffer out)
```
    Description copied from interface: SceneProcessor
    
    Called after a frame has been rendered and the queue flushed.
    
    Specified by:
    
    postFrame in interface SceneProcessor
    
    Parameters:
    
    out - The FB to which the scene was rendered.
  - clearMaterialParameters
```
protected abstract void clearMaterialParameters(Material material)
```
    This method is called once per frame and is responsible for clearing any material parameters that subclasses may need to clear on the post material.
    
    Parameters:
    
    material - the material that was used for the post shadow pass
  - setMaterialParameters
```
protected abstract void setMaterialParameters(Material material)
```
    This method is called once per frame and is responsible for setting any material parameters that subclasses may need to set on the post material.
    
    Parameters:
    
    material - the material to use for the post shadow pass
  - setPostShadowParams
```
protected void setPostShadowParams()
```
    for internal use only
  - getShadowZExtend
```
public float getShadowZExtend()
```
    How far the shadows are rendered in the view
    
    Returns:
    
    shadowZExtend
    
    See Also:
    
    setShadowZExtend(float zFar)
  - setShadowZExtend
```
public void setShadowZExtend(float zFar)
```
    Set the distance from the eye where the shadows will be rendered default value is dynamically computed to the shadow casters/receivers union bound zFar, capped to view frustum far value.
    
    Parameters:
    
    zFar - the zFar values that override the computed one
  - setShadowZFadeLength
```
public void setShadowZFadeLength(float length)
```
    Define the length over which the shadow will fade out when using a shadowZextend This is useful to make dynamic shadows fade into baked shadows in the distance.
    
    Parameters:
    
    length - the fade length in world units
  - getShadowZFadeLength
```
public float getShadowZFadeLength()
```
    get the length over which the shadow will fade out when using a shadowZextend
    
    Returns:
    
    the fade length in world units
  - checkCulling
```
protected abstract boolean checkCulling(Camera viewCam)
```
    Parameters:
    
    viewCam - a Camera to define the view frustum
    
    Returns:
    
    true if the light source bounding box is in the view frustum
  - preFrame
```
public void preFrame(float tpf)
```
    Description copied from interface: SceneProcessor
    
    Called before a frame
    
    Specified by:
    
    preFrame in interface SceneProcessor
    
    Parameters:
    
    tpf - Time per frame
  - cleanup
```
public void cleanup()
```
    Description copied from interface: SceneProcessor
    
    Called when the SP is removed from the RM.
    
    Specified by:
    
    cleanup in interface SceneProcessor
  - reshape
```
public void reshape(ViewPort vp,
                    int w,
                    int h)
```
    Description copied from interface: SceneProcessor
    
    Called when the resolution of the viewport has been changed.
    
    Specified by:
    
    reshape in interface SceneProcessor
    
    Parameters:
    
    vp - the affected ViewPort
    
    w - the new width (in pixels)
    
    h - the new height (in pixels)
  - getShadowIntensity
```
public float getShadowIntensity()
```
    Returns the shadow intensity.
    
    Returns:
    
    shadowIntensity
    
    See Also:
    
    setShadowIntensity(float shadowIntensity)
  - setShadowIntensity
```
public final void setShadowIntensity(float shadowIntensity)
```
    Set the shadowIntensity. The value should be between 0 and 1. A 0 value gives a bright and invisible shadow, a 1 value gives a pitch black shadow. The default is 0.7
    
    Parameters:
    
    shadowIntensity - the darkness of the shadow
  - getEdgesThickness
```
public int getEdgesThickness()
```
    returns the edges thickness
    
    Returns:
    
    edgesThickness
    
    See Also:
    
    setEdgesThickness(int edgesThickness)
  - getNumShadowMaps
```
public int getNumShadowMaps()
```
    Read the number of shadow maps rendered by this renderer.
    
    Returns:
    
    count
  - getShadowMapSize
```
public int getShadowMapSize()
```
    Read the size of each shadow map rendered by this renderer.
    
    Returns:
    
    a map's height (which is also its width, in pixels)
  - setEdgesThickness
```
public void setEdgesThickness(int edgesThickness)
```
    Sets the shadow edges thickness. Default is 10. Setting it to lower values can help reduce the jagged effect of shadow edges.
    
    Parameters:
    
    edgesThickness - the desired thickness (in tenths of a pixel, default=10)
  - isFlushQueues
```
@Deprecated
public boolean isFlushQueues()
```
    Deprecated.
    
    isFlushQueues does nothing now and is kept only for backward compatibility
    
    Returns:
    
    false
  - getPreShadowForcedRenderState
```
public RenderState getPreShadowForcedRenderState()
```
    returns the pre shadows pass render state. use it to adjust the RenderState parameters of the pre shadow pass. Note that this will be overridden if the preShadow technique in the material has a ForcedRenderState
    
    Returns:
    
    the pre shadow render state.
  - setRenderBackFacesShadows
```
public void setRenderBackFacesShadows(java.lang.Boolean renderBackFacesShadows)
```
    Set to true if you want back faces shadows on geometries. Note that back faces shadows will be blended over dark lighten areas and may produce overly dark lighting. Also note that setting this parameter will override this parameter for ALL materials in the scene. You can alternatively change this parameter on a single material using Material.setBoolean(String, boolean) This also will automatically adjust the faceCullMode and the PolyOffset of the pre shadow pass. You can modify them by using getPreShadowForcedRenderState()
    
    Parameters:
    
    renderBackFacesShadows - true or false.
  - isRenderBackFacesShadows
```
public boolean isRenderBackFacesShadows()
```
    if this processor renders back faces shadows
    
    Returns:
    
    true if this processor renders back faces shadows
  - jmeClone
```
public java.lang.Object jmeClone()
```
    Description copied from interface: JmeCloneable
    
    Performs a regular shallow clone of the object. Some fields may also be cloned but generally only if they will never be shared with other objects. (For example, local Vector3fs and so on.)
    This method is separate from the regular clone() method so that objects might still maintain their own regular java clone() semantics (perhaps even using Cloner for those methods). However, because Java's clone() has specific features in the sense of Object's clone() implementation, it's usually best to have some path for subclasses to bypass the public clone() method that might be cloning fields and instead get at the superclass protected clone() methods. For example, through super.jmeClone() or another protected clone method that some base class eventually calls super.clone() in.
    
    Specified by:
    
    jmeClone in interface JmeCloneable
    
    Returns:
    
    a new instance
  - cloneFields
```
public void cloneFields(Cloner cloner,
                        java.lang.Object original)
```
    Description copied from interface: JmeCloneable
    
    Implemented to perform deep cloning for this object, resolving local cloned references using the specified cloner. The object can call cloner.clone(fieldValue) to deep clone any of its fields.
    Note: during normal clone operations the original object will not be needed as the clone has already had all of the fields shallow copied.
    
    Specified by:
    
    cloneFields in interface JmeCloneable
    
    Parameters:
    
    cloner - The cloner that is performing the cloning operation. The cloneFields method can call back into the cloner to make clones of its subordinate fields.
    
    original - The original object from which this object was cloned. This is provided for the very rare case that this object needs to refer to its original for some reason. In general, all of the relevant values should have been transferred during the shallow clone, and this object need only clone what it wants.
  - setProfiler
```
public void setProfiler(AppProfiler profiler)
```
    Description copied from interface: SceneProcessor
    
    Sets a profiler Instance for this processor.
    
    Specified by:
    
    setProfiler in interface SceneProcessor
    
    Parameters:
    
    profiler - the profiler instance.
  - read
```
public void read(JmeImporter im)
          throws java.io.IOException
```
    De-serialize this instance, for example when loading from a J3O file.
    
    Specified by:
    
    read in interface Savable
    
    Parameters:
    
    im - importer (not null)
    
    Throws:
    
    java.io.IOException - from the importer
  - write
```
public void write(JmeExporter ex)
           throws java.io.IOException
```
    Serialize this instance, for example when saving to a J3O file.
    
    Specified by:
    
    write in interface Savable
    
    Parameters:
    
    ex - exporter (not null)
    
    Throws:
    
    java.io.IOException - from the exporter

Class AbstractShadowRenderer

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

logger

nbShadowMaps

shadowMapSize

shadowIntensity

renderManager

viewPort

shadowFB

shadowMaps

dummyTex

preshadowMat

postshadowMat

lightViewProjectionsMatrices

assetManager

debug

edgesThickness

edgeFilteringMode

shadowCompareMode

dispPic

forcedRenderState

renderBackFacesShadows

prof

needsfallBackMaterial

postTechniqueName

matCache

lightReceivers

shadowMapOccluders

zFarOverride

fadeInfo

fadeLength

frustumCam

skipPostPass

Constructor Detail

AbstractShadowRenderer

AbstractShadowRenderer

Method Detail

initForcedRenderState

setPostShadowMaterial

setEdgeFilteringMode

getEdgeFilteringMode

setShadowCompareMode

getShadowCompareMode

createFrustum

initialize

initFrustumCam

isInitialized

updateShadowCams

getOccludersToRender

getShadowCam

doDisplayFrustumDebug

postQueue

renderShadowMap

displayFrustum

displayShadowMap

displayDebug

getReceivers

postFrame

clearMaterialParameters

setMaterialParameters

setPostShadowParams

getShadowZExtend

setShadowZExtend

setShadowZFadeLength

getShadowZFadeLength

checkCulling

preFrame

cleanup

reshape

getShadowIntensity

setShadowIntensity

getEdgesThickness

getNumShadowMaps

getShadowMapSize

setEdgesThickness

isFlushQueues