@ -31,11 +31,13 @@ package com.jme3.shadow;
import com.jme3.asset.AssetManager ;
import com.jme3.material.Material ;
import com.jme3.material.RenderState ;
import com.jme3.math.ColorRGBA ;
import com.jme3.math.Matrix4f ;
import com.jme3.math.Vector3f ;
import com.jme3.post.SceneProcessor ;
import com.jme3.renderer.Camera ;
import com.jme3.renderer.Caps ;
import com.jme3.renderer.RenderManager ;
import com.jme3.renderer.Renderer ;
import com.jme3.renderer.ViewPort ;
@ -140,6 +142,12 @@ public class PssmShadowRenderer implements SceneProcessor {
private Picture [ ] dispPic ;
private Vector3f [ ] points = new Vector3f [ 8 ] ;
private boolean flushQueues = true ;
//render state for post shadow pass
private RenderState state = new RenderState ( ) ;
// define if the fallback material should be used.
private boolean needsfallBackMaterial = false ;
//Name of the post material technique
private String postTechniqueName = "PostShadow" ;
/ * *
* Create a PSSM Shadow Renderer
@ -208,13 +216,17 @@ public class PssmShadowRenderer implements SceneProcessor {
for ( int i = 0 ; i < points . length ; i + + ) {
points [ i ] = new Vector3f ( ) ;
}
//initializing render state for post shadow pass (modulade blending and cullmode of for back faces )
state . setBlendMode ( RenderState . BlendMode . Modulate ) ;
state . setFaceCullMode ( RenderState . FaceCullMode . Off ) ;
}
/ * *
* Sets the filtering mode for shadow edges see { @link FilterMode } for more info
* @param filterMode
* /
public void setFilterMode ( FilterMode filterMode ) {
final public void setFilterMode ( FilterMode filterMode ) {
if ( filterMode = = null ) {
throw new NullPointerException ( ) ;
}
@ -243,7 +255,7 @@ public class PssmShadowRenderer implements SceneProcessor {
* sets the shadow compare mode see { @link CompareMode } for more info
* @param compareMode
* /
public void setCompareMode ( CompareMode compareMode ) {
final public void setCompareMode ( CompareMode compareMode ) {
if ( compareMode = = null ) {
throw new NullPointerException ( ) ;
}
@ -306,6 +318,12 @@ public class PssmShadowRenderer implements SceneProcessor {
public void initialize ( RenderManager rm , ViewPort vp ) {
renderManager = rm ;
viewPort = vp ;
//checking for caps to chosse the appropriate post material technique
if ( renderManager . getRenderer ( ) . getCaps ( ) . contains ( Caps . GLSL150 ) ) {
postTechniqueName = "PostShadow15" ;
} else {
postTechniqueName = "PostShadow" ;
}
}
public boolean isInitialized ( ) {
@ -430,15 +448,24 @@ public class PssmShadowRenderer implements SceneProcessor {
public void postFrame ( FrameBuffer out ) {
Camera cam = viewPort . getCamera ( ) ;
if ( ! noOccluders ) {
postshadowMat . setColor ( "Splits" , splits ) ;
for ( int i = 0 ; i < nbSplits ; i + + ) {
postshadowMat . setMatrix4 ( "LightViewProjectionMatrix" + i , lightViewProjectionsMatrices [ i ] ) ;
//setting params to recieving geometry list
setMatParams ( ) ;
//some materials in the scene does not have a post shadow technique so we're using the fall back material
if ( needsfallBackMaterial ) {
renderManager . setForcedMaterial ( postshadowMat ) ;
}
renderManager . setForcedMaterial ( postshadowMat ) ;
//forcing the post shadow technique and render state
renderManager . setForcedTechnique ( postTechniqueName ) ;
renderManager . setForcedRenderState ( state ) ;
//rendering the post shadow pass
viewPort . getQueue ( ) . renderShadowQueue ( ShadowMode . Receive , renderManager , cam , flushQueues ) ;
//resetting renderManager settings
renderManager . setForcedTechnique ( null ) ;
renderManager . setForcedMaterial ( null ) ;
renderManager . setForcedRenderState ( null ) ;
renderManager . setCamera ( cam , false ) ;
}
@ -447,6 +474,42 @@ public class PssmShadowRenderer implements SceneProcessor {
}
}
private void setMatParams ( ) {
GeometryList l = viewPort . getQueue ( ) . getShadowQueueContent ( ShadowMode . Receive ) ;
//iteratin throught all the geometries of the list to set the material params
for ( int i = 0 ; i < l . size ( ) ; i + + ) {
Material mat = l . get ( i ) . getMaterial ( ) ;
//checking if the material has the post technique and setting the params.
if ( mat . getMaterialDef ( ) . getTechniqueDef ( postTechniqueName ) ! = null ) {
mat . setColor ( "Splits" , splits ) ;
postshadowMat . setColor ( "Splits" , splits ) ;
for ( int j = 0 ; j < nbSplits ; j + + ) {
mat . setMatrix4 ( "LightViewProjectionMatrix" + j , lightViewProjectionsMatrices [ j ] ) ;
mat . setTexture ( "ShadowMap" + j , shadowMaps [ j ] ) ;
}
mat . setBoolean ( "HardwareShadows" , compareMode = = CompareMode . Hardware ) ;
mat . setInt ( "FilterMode" , filterMode . ordinal ( ) ) ;
mat . setFloat ( "PCFEdge" , edgesThickness ) ;
mat . setFloat ( "ShadowIntensity" , shadowIntensity ) ;
} else {
needsfallBackMaterial = true ;
}
}
//At least one material of the receiving geoms does not support the post shadow techniques
//so we fall back to the forced material solution (transparent shadows won't be supported for these objects)
if ( needsfallBackMaterial ) {
postshadowMat . setColor ( "Splits" , splits ) ;
for ( int j = 0 ; j < nbSplits ; j + + ) {
postshadowMat . setMatrix4 ( "LightViewProjectionMatrix" + j , lightViewProjectionsMatrices [ j ] ) ;
}
}
}
public void preFrame ( float tpf ) {
}
@ -511,7 +574,7 @@ public class PssmShadowRenderer implements SceneProcessor {
* default is 0 . 7
* @param shadowIntensity the darkness of the shadow
* /
public void setShadowIntensity ( float shadowIntensity ) {
final public void setShadowIntensity ( float shadowIntensity ) {
this . shadowIntensity = shadowIntensity ;
postshadowMat . setFloat ( "ShadowIntensity" , shadowIntensity ) ;
}
rem..om
13 years ago