@ -31,10 +31,6 @@
* /
package com.jme3.shadow ;
import java.io.IOException ;
import java.util.ArrayList ;
import java.util.List ;
import com.jme3.asset.AssetManager ;
import com.jme3.export.InputCapsule ;
import com.jme3.export.JmeExporter ;
@ -42,6 +38,7 @@ import com.jme3.export.JmeImporter;
import com.jme3.export.OutputCapsule ;
import com.jme3.export.Savable ;
import com.jme3.material.Material ;
import com.jme3.material.RenderState ;
import com.jme3.math.ColorRGBA ;
import com.jme3.math.Matrix4f ;
import com.jme3.math.Vector2f ;
@ -67,6 +64,10 @@ import com.jme3.texture.Texture.ShadowCompareMode;
import com.jme3.texture.Texture2D ;
import com.jme3.ui.Picture ;
import java.io.IOException ;
import java.util.ArrayList ;
import java.util.List ;
/ * *
* abstract shadow renderer that holds commons feature to have for a shadow
* renderer
@ -92,6 +93,8 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
protected EdgeFilteringMode edgeFilteringMode = EdgeFilteringMode . Bilinear ;
protected CompareMode shadowCompareMode = CompareMode . Hardware ;
protected Picture [ ] dispPic ;
protected RenderState forcedRenderState = new RenderState ( ) ;
protected Boolean renderBackFacesShadows ;
/ * *
* true if the fallback material should be used , otherwise false
@ -182,6 +185,14 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
setShadowCompareMode ( shadowCompareMode ) ;
setEdgeFilteringMode ( edgeFilteringMode ) ;
setShadowIntensity ( shadowIntensity ) ;
initForcedRenderState ( ) ;
}
protected void initForcedRenderState ( ) {
forcedRenderState . setFaceCullMode ( RenderState . FaceCullMode . Front ) ;
forcedRenderState . setColorWrite ( false ) ;
forcedRenderState . setDepthWrite ( true ) ;
forcedRenderState . setDepthTest ( true ) ;
}
/ * *
@ -357,9 +368,7 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
* rendered in the shadow map
*
* @param shadowMapIndex the index of the shadow map being rendered
* @param sceneOccluders the occluders of the whole scene
* @param sceneReceivers the receivers of the whole scene
* @param shadowMapOcculders
* @param shadowMapOccluders the list of occluders
* @return
* /
protected abstract GeometryList getOccludersToRender ( int shadowMapIndex , GeometryList shadowMapOccluders ) ;
@ -426,9 +435,11 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
renderManager . getRenderer ( ) . setFrameBuffer ( shadowFB [ shadowMapIndex ] ) ;
renderManager . getRenderer ( ) . clearBuffers ( true , true , true ) ;
renderManager . setForcedRenderState ( forcedRenderState ) ;
// render shadow casters to shadow map
viewPort . getQueue ( ) . renderShadowQueue ( shadowMapOccluders , renderManager , shadowCam , true ) ;
renderManager . setForcedRenderState ( null ) ;
}
boolean debugfrustums = false ;
@ -536,18 +547,7 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
private void setMatParams ( GeometryList l ) {
//iteration throught all the geometries of the list to gather the materials
matCache . clear ( ) ;
for ( int i = 0 ; i < l . size ( ) ; i + + ) {
Material mat = l . get ( i ) . getMaterial ( ) ;
//checking if the material has the post technique and adding it to the material cache
if ( mat . getMaterialDef ( ) . getTechniqueDef ( postTechniqueName ) ! = null ) {
if ( ! matCache . contains ( mat ) ) {
matCache . add ( mat ) ;
}
} else {
needsfallBackMaterial = true ;
}
}
buildMatCache ( l ) ;
//iterating through the mat cache and setting the parameters
for ( Material mat : matCache ) {
@ -567,6 +567,10 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
if ( fadeInfo ! = null ) {
mat . setVector2 ( "FadeInfo" , fadeInfo ) ;
}
if ( renderBackFacesShadows ! = null ) {
mat . setBoolean ( "BackfaceShadows" , renderBackFacesShadows ) ;
}
setMaterialParameters ( mat ) ;
}
@ -578,6 +582,21 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
}
private void buildMatCache ( GeometryList l ) {
matCache . clear ( ) ;
for ( int i = 0 ; i < l . size ( ) ; i + + ) {
Material mat = l . get ( i ) . getMaterial ( ) ;
//checking if the material has the post technique and adding it to the material cache
if ( mat . getMaterialDef ( ) . getTechniqueDef ( postTechniqueName ) ! = null ) {
if ( ! matCache . contains ( mat ) ) {
matCache . add ( mat ) ;
}
} else {
needsfallBackMaterial = true ;
}
}
}
/ * *
* for internal use only
* /
@ -590,6 +609,9 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
if ( fadeInfo ! = null ) {
postshadowMat . setVector2 ( "FadeInfo" , fadeInfo ) ;
}
if ( renderBackFacesShadows ! = null ) {
postshadowMat . setBoolean ( "BackfaceShadows" , renderBackFacesShadows ) ;
}
}
/ * *
@ -731,6 +753,48 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
@Deprecated
public void setFlushQueues ( boolean flushQueues ) { }
/ * *
* returns the pre shadows pass render state .
* use it to adjust the RenderState parameters of the pre shadow pass .
* Note that this will be overriden if the preShadow technique in the material has a ForcedRenderState
* @return the pre shadow render state .
* /
public RenderState getPreShadowForcedRenderState ( ) {
return forcedRenderState ;
}
/ * *
* 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 { @link 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 { @link # getPreShadowForcedRenderState ( ) }
*
* @param renderBackFacesShadows true or false .
* /
public void setRenderBackFacesShadows ( Boolean renderBackFacesShadows ) {
this . renderBackFacesShadows = renderBackFacesShadows ;
if ( renderBackFacesShadows ) {
getPreShadowForcedRenderState ( ) . setPolyOffset ( 5 , 3 ) ;
getPreShadowForcedRenderState ( ) . setFaceCullMode ( RenderState . FaceCullMode . Back ) ;
} else {
getPreShadowForcedRenderState ( ) . setPolyOffset ( 0 , 0 ) ;
getPreShadowForcedRenderState ( ) . setFaceCullMode ( RenderState . FaceCullMode . Front ) ;
}
}
/ * *
* if this processor renders back faces shadows
* @return true if this processor renders back faces shadows
* /
public boolean isRenderBackFacesShadows ( ) {
return renderBackFacesShadows ! = null ? renderBackFacesShadows : false ;
}
/ * *
* De - serialize this instance , for example when loading from a J3O file .
*
Nehon
9 years ago