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@ -39,7 +39,6 @@ import com.jme3.math.Transform; |
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import com.jme3.math.Vector2f; |
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import com.jme3.math.Vector3f; |
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import com.jme3.renderer.Camera; |
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import com.jme3.renderer.RenderManager; |
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import com.jme3.renderer.queue.GeometryList; |
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import com.jme3.renderer.queue.RenderQueue; |
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import com.jme3.scene.Geometry; |
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@ -331,23 +330,6 @@ public class ShadowUtil { |
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shadowCam.setProjectionMatrix(result); |
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} |
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/** |
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* Updates the shadow camera to properly contain the given points (which |
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* contain the eye camera frustum corners) and the shadow occluder objects. |
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* |
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* @param occluders |
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* @param receivers |
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* @param shadowCam |
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* @param points |
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*/ |
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public static void updateShadowCamera(GeometryList occluders, |
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GeometryList receivers, |
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Camera shadowCam, |
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Vector3f[] points, |
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float shadowMapSize) { |
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updateShadowCamera(occluders, receivers, shadowCam, points, null, shadowMapSize); |
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} |
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/** |
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* OccludersExtractor is a helper class to collect splitOccluders from scene recursively. |
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* It utilizes the scene hierarchy, instead of making the huge flat geometries list first. |
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@ -355,10 +337,9 @@ public class ShadowUtil { |
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* all of them one by one against camera frustum the whole Node is checked first |
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* to hopefully avoid the check on its children. |
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*/ |
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static public Spatial rootScene = null; // static global used for OccludersExtractor in order not to change public ShadoUtil.updateShadowCamera interface
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public static class OccludersExtractor |
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{ |
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// global variables set in order not to have recursive addOccluders method with too many parameters
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// global variables set in order not to have recursive process method with too many parameters
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Matrix4f viewProjMatrix; |
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public Integer casterCount; |
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BoundingBox splitBB, casterBB; |
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@ -380,15 +361,14 @@ public class ShadowUtil { |
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/** |
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* Check the rootScene against camera frustum and if intersects process it recursively. |
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* The global OccludersExtractor variables need to be initialized first. |
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* The {@link OccludersExtractor#rootScene} need to be set before the call to {@link ShadowUtil#updateShadowCamera} |
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* Variables are updated and used in {@link ShadowUtil#updateShadowCamera} at last. |
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*/ |
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public int addOccluders() { |
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if ( rootScene != null ) addOccluders(rootScene); |
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public int addOccluders(Spatial scene) { |
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if ( scene != null ) process(scene); |
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return casterCount; |
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} |
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private void addOccluders(Spatial scene) { |
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private void process(Spatial scene) { |
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if (scene.getCullHint() == Spatial.CullHint.Always) return; |
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RenderQueue.ShadowMode shadowMode = scene.getShadowMode(); |
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@ -460,7 +440,7 @@ public class ShadowUtil { |
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if ( intersects ) { |
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for (Spatial child : ((Node)scene).getChildren()) { |
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addOccluders(child); |
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process(child); |
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} |
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} |
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} |
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@ -469,13 +449,10 @@ public class ShadowUtil { |
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/** |
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* Updates the shadow camera to properly contain the given points (which |
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* contain the eye camera frustum corners) and the shadow occluder objects. |
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* |
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* @param occluders |
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* @param shadowCam |
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* @param points |
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* contain the eye camera frustum corners) and the shadow occluder objects |
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* collected through the traverse of the scene hierarchy |
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*/ |
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public static void updateShadowCamera(GeometryList occluders, |
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public static void updateShadowCamera(Spatial rootScene, |
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GeometryList receivers, |
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Camera shadowCam, |
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Vector3f[] points, |
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@ -519,8 +496,8 @@ public class ShadowUtil { |
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// collect splitOccluders through scene recursive traverse
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OccludersExtractor occExt = new OccludersExtractor(viewProjMatrix, casterCount, splitBB, casterBB, splitOccluders, vars); |
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casterCount = occExt.addOccluders(); // the rootScene inside
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casterCount = occExt.addOccluders(rootScene); |
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//Nehon 08/18/2010 this is to avoid shadow bleeding when the ground is set to only receive shadows
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if (casterCount != receiverCount) { |
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casterBB.setXExtent(casterBB.getXExtent() + 2.0f); |
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@ -608,24 +585,6 @@ public class ShadowUtil { |
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vars.release(); |
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shadowCam.setProjectionMatrix(result); |
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} |
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/** |
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* Updates the shadow camera to properly contain the given points (which |
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* contain the eye camera frustum corners) and the shadow occluder objects. |
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* |
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* Render Shadow optimization to traverse the scene hierarchy instead of using the whole, but flattened, scene |
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*/ |
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public static void updateShadowCameraFromRoot(Spatial rootScene, |
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GeometryList receivers, |
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Camera shadowCam, |
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Vector3f[] points, |
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GeometryList splitOccluders, |
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float shadowMapSize) { |
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ShadowUtil.rootScene = rootScene; |
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ShadowUtil.updateShadowCamera(null, receivers, shadowCam, points, splitOccluders, shadowMapSize); |
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ShadowUtil.rootScene = null; |
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} |
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/** |
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@ -654,9 +613,10 @@ public class ShadowUtil { |
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} |
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/** |
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* Populates the outputGeometryList with the geometries of the children |
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* of OccludersExtractor.rootScene node that are in the frustum of the given camera |
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* Populates the outputGeometryList with the rootScene children geometries |
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* that are in the frustum of the given camera |
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* |
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* @param rootScene the rootNode of the scene to traverse |
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* @param camera the camera to check geometries against |
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* @param outputGeometryList the list of all geometries that are in the |
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* camera frustum |
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Bebul
10 years ago