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@ -31,10 +31,6 @@ |
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*/ |
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package com.jme3.shadow; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.List; |
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import com.jme3.asset.AssetManager; |
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import com.jme3.export.InputCapsule; |
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import com.jme3.export.JmeExporter; |
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@ -42,6 +38,7 @@ import com.jme3.export.JmeImporter; |
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import com.jme3.export.OutputCapsule; |
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import com.jme3.export.Savable; |
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import com.jme3.material.Material; |
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import com.jme3.material.RenderState; |
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import com.jme3.math.ColorRGBA; |
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import com.jme3.math.Matrix4f; |
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import com.jme3.math.Vector2f; |
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@ -67,6 +64,10 @@ import com.jme3.texture.Texture.ShadowCompareMode; |
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import com.jme3.texture.Texture2D; |
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import com.jme3.ui.Picture; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.List; |
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/** |
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* abstract shadow renderer that holds commons feature to have for a shadow |
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* renderer |
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@ -92,6 +93,8 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable |
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protected EdgeFilteringMode edgeFilteringMode = EdgeFilteringMode.Bilinear; |
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protected CompareMode shadowCompareMode = CompareMode.Hardware; |
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protected Picture[] dispPic; |
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protected RenderState forcedRenderState = new RenderState(); |
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protected Boolean renderBackFacesShadows; |
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/** |
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* true if the fallback material should be used, otherwise false |
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@ -182,6 +185,14 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable |
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setShadowCompareMode(shadowCompareMode); |
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setEdgeFilteringMode(edgeFilteringMode); |
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setShadowIntensity(shadowIntensity); |
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initForcedRenderState(); |
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} |
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protected void initForcedRenderState() { |
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forcedRenderState.setFaceCullMode(RenderState.FaceCullMode.Front); |
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forcedRenderState.setColorWrite(false); |
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forcedRenderState.setDepthWrite(true); |
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forcedRenderState.setDepthTest(true); |
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} |
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/** |
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@ -357,9 +368,7 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable |
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* rendered in the shadow map |
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* |
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* @param shadowMapIndex the index of the shadow map being rendered |
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* @param sceneOccluders the occluders of the whole scene |
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* @param sceneReceivers the receivers of the whole scene |
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* @param shadowMapOcculders |
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* @param shadowMapOccluders the list of occluders |
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* @return |
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*/ |
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protected abstract GeometryList getOccludersToRender(int shadowMapIndex, GeometryList shadowMapOccluders); |
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@ -426,9 +435,11 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable |
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renderManager.getRenderer().setFrameBuffer(shadowFB[shadowMapIndex]); |
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renderManager.getRenderer().clearBuffers(true, true, true); |
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renderManager.setForcedRenderState(forcedRenderState); |
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// render shadow casters to shadow map
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viewPort.getQueue().renderShadowQueue(shadowMapOccluders, renderManager, shadowCam, true); |
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renderManager.setForcedRenderState(null); |
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} |
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boolean debugfrustums = false; |
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@ -536,18 +547,7 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable |
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private void setMatParams(GeometryList l) { |
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//iteration throught all the geometries of the list to gather the materials
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matCache.clear(); |
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for (int i = 0; i < l.size(); i++) { |
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Material mat = l.get(i).getMaterial(); |
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//checking if the material has the post technique and adding it to the material cache
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if (mat.getMaterialDef().getTechniqueDef(postTechniqueName) != null) { |
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if (!matCache.contains(mat)) { |
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matCache.add(mat); |
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} |
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} else { |
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needsfallBackMaterial = true; |
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} |
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} |
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buildMatCache(l); |
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//iterating through the mat cache and setting the parameters
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for (Material mat : matCache) { |
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@ -567,6 +567,10 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable |
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if (fadeInfo != null) { |
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mat.setVector2("FadeInfo", fadeInfo); |
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} |
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if(renderBackFacesShadows != null){ |
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mat.setBoolean("BackfaceShadows", renderBackFacesShadows); |
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} |
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setMaterialParameters(mat); |
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} |
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@ -578,6 +582,21 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable |
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} |
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private void buildMatCache(GeometryList l) { |
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matCache.clear(); |
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for (int i = 0; i < l.size(); i++) { |
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Material mat = l.get(i).getMaterial(); |
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//checking if the material has the post technique and adding it to the material cache
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if (mat.getMaterialDef().getTechniqueDef(postTechniqueName) != null) { |
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if (!matCache.contains(mat)) { |
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matCache.add(mat); |
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} |
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} else { |
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needsfallBackMaterial = true; |
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} |
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} |
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} |
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/** |
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* for internal use only |
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*/ |
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@ -588,7 +607,10 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable |
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postshadowMat.setTexture(shadowMapStringCache[j], shadowMaps[j]); |
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} |
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if (fadeInfo != null) { |
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postshadowMat.setVector2("FadeInfo", fadeInfo); |
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postshadowMat.setVector2("FadeInfo", fadeInfo); |
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} |
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if(renderBackFacesShadows != null){ |
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postshadowMat.setBoolean("BackfaceShadows", renderBackFacesShadows); |
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} |
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} |
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@ -731,6 +753,48 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable |
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@Deprecated |
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public void setFlushQueues(boolean flushQueues) {} |
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/** |
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* returns the pre shadows pass render state. |
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* use it to adjust the RenderState parameters of the pre shadow pass. |
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* Note that this will be overriden if the preShadow technique in the material has a ForcedRenderState |
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* @return the pre shadow render state. |
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*/ |
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public RenderState getPreShadowForcedRenderState() { |
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return forcedRenderState; |
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} |
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/** |
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* Set to true if you want back faces shadows on geometries. |
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* Note that back faces shadows will be blended over dark lighten areas and may produce overly dark lighting. |
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* |
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* Also note that setting this parameter will override this parameter for ALL materials in the scene. |
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* You can alternatively change this parameter on a single material using {@link Material#setBoolean(String, boolean)} |
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* |
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* This also will automatically adjust the faceCullMode and the PolyOffset of the pre shadow pass. |
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* You can modify them by using {@link #getPreShadowForcedRenderState()} |
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* |
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* @param renderBackFacesShadows true or false. |
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*/ |
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public void setRenderBackFacesShadows(Boolean renderBackFacesShadows) { |
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this.renderBackFacesShadows = renderBackFacesShadows; |
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if(renderBackFacesShadows) { |
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getPreShadowForcedRenderState().setPolyOffset(5, 3); |
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getPreShadowForcedRenderState().setFaceCullMode(RenderState.FaceCullMode.Back); |
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}else{ |
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getPreShadowForcedRenderState().setPolyOffset(0, 0); |
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getPreShadowForcedRenderState().setFaceCullMode(RenderState.FaceCullMode.Front); |
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} |
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} |
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/** |
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* if this processor renders back faces shadows |
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* @return true if this processor renders back faces shadows |
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*/ |
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public boolean isRenderBackFacesShadows() { |
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return renderBackFacesShadows != null?renderBackFacesShadows:false; |
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} |
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/** |
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* De-serialize this instance, for example when loading from a J3O file. |
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* |
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jmekaelthas
9 years ago