support point light shadows

jme3-core/src/main/java/com/jme3/material/logic/ShadowStaticPassLightingLogic.java

@@ -50,6 +50,7 @@ import com.jme3.shader.VarType;
 import com.jme3.shadow.next.array.ArrayShadowMap;
 import com.jme3.shadow.next.array.ArrayShadowMapSlice;
 import com.jme3.shadow.next.array.DirectionalArrayShadowMap;
+import com.jme3.shadow.next.array.PointArrayShadowMap;
 import com.jme3.shadow.next.array.SpotArrayShadowMap;
 import com.jme3.shadow.next.array.SpotArrayShadowMapSlice;
 import com.jme3.texture.TextureArray;
@@ -172,6 +173,18 @@ public class ShadowStaticPassLightingLogic extends StaticPassLightingLogic {
             }
         }
         
+        for (int i = 0; i < numShadowPointLights; i++) {
+            PointArrayShadowMap map = (PointArrayShadowMap) tempPointLights.get(i).getShadowMap();
+            array = map.getArray();
+            for (int j = 0; j < map.getNumSlices(); j++) {
+                ArrayShadowMapSlice slice = (ArrayShadowMapSlice) map.getSlice(j);
+                shadowMatricesUniform.setMatrix4InArray(
+                        slice.getBiasedViewProjectionMatrix(),
+                        shadowMatrixIndex);
+                shadowMatrixIndex++;
+            }
+        }
+
         for (int i = 0; i < numShadowSpotLights; i++) {
             SpotArrayShadowMap map = (SpotArrayShadowMap) tempSpotLights.get(i).getShadowMap();
             array = map.getArray();

jme3-core/src/main/java/com/jme3/shadow/next/PreShadowArrayRenderer.java

@@ -34,6 +34,7 @@ package com.jme3.shadow.next;
 import com.jme3.shadow.next.pssm.DirectionalShadowParameters;
 import com.jme3.light.DirectionalLight;
 import com.jme3.light.Light;
+import com.jme3.light.PointLight;
 import com.jme3.light.SpotLight;
 import com.jme3.material.RenderState;
 import com.jme3.math.Vector3f;
@@ -46,6 +47,7 @@ import com.jme3.renderer.queue.GeometryList;
 import com.jme3.renderer.queue.OpaqueComparator;
 import com.jme3.renderer.queue.RenderQueue;
 import com.jme3.shadow.next.array.DirectionalArrayShadowMap;
+import com.jme3.shadow.next.array.PointArrayShadowMap;
 import com.jme3.shadow.next.array.SpotArrayShadowMap;
 import com.jme3.texture.FrameBuffer;
 import com.jme3.texture.Image;
@@ -150,6 +152,13 @@ public class PreShadowArrayRenderer implements SceneProcessor {
                         textureSize,
                         directionalParams.getNumSplits());
                 break;
+            case Point:
+                shadowMap = new PointArrayShadowMap(
+                        (PointLight) light,
+                        array,
+                        nextArraySlice,
+                        textureSize);
+                break;
             case Spot:
                 shadowMap = new SpotArrayShadowMap(
                         (SpotLight) light,
@@ -202,6 +211,10 @@ public class PreShadowArrayRenderer implements SceneProcessor {
                     DirectionalArrayShadowMap directionalShadow = (DirectionalArrayShadowMap) shadowMap;
                     directionalShadow.renderShadowMap(renderManager, viewPort, directionalParams, shadowCasters, points);
                     break;
+                case Point:
+                    PointArrayShadowMap pointShadow = (PointArrayShadowMap) shadowMap;
+                    pointShadow.renderShadowMap(renderManager, viewPort, shadowCasters);
+                    break;
                 case Spot:
                     SpotArrayShadowMap spotShadow = (SpotArrayShadowMap) shadowMap;
                     spotShadow.renderShadowMap(renderManager, viewPort, shadowCasters);

jme3-core/src/main/java/com/jme3/shadow/next/array/PointArrayShadowMap.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2009-2017 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.Light;
+import com.jme3.light.Light.Type;
+import com.jme3.light.PointLight;
+import com.jme3.math.Quaternion;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.texture.TextureArray;
+
+/**
+ * @author Kirill Vainer
+ */
+public class PointArrayShadowMap extends BaseArrayShadowMap<PointArrayShadowMapSlice> {
+
+    private final PointLight light;
+    
+    private static final Quaternion[] ROTATIONS = new Quaternion[6];
+    
+    static {
+        for (int i = 0; i < ROTATIONS.length; i++) {
+            ROTATIONS[i] = new Quaternion();
+        }
+
+        // left
+        ROTATIONS[0].fromAxes(Vector3f.UNIT_Z, Vector3f.UNIT_Y, Vector3f.UNIT_X.mult(-1f));
+
+        // right
+        ROTATIONS[1].fromAxes(Vector3f.UNIT_Z.mult(-1f), Vector3f.UNIT_Y, Vector3f.UNIT_X);
+
+        // bottom
+        ROTATIONS[2].fromAxes(Vector3f.UNIT_X.mult(-1f), Vector3f.UNIT_Z.mult(-1f), Vector3f.UNIT_Y.mult(-1f));
+
+        // top
+        ROTATIONS[3].fromAxes(Vector3f.UNIT_X.mult(-1f), Vector3f.UNIT_Z, Vector3f.UNIT_Y);
+
+        // forward
+        ROTATIONS[4].fromAxes(Vector3f.UNIT_X.mult(-1f), Vector3f.UNIT_Y, Vector3f.UNIT_Z.mult(-1f));
+
+        // backward
+        ROTATIONS[5].fromAxes(Vector3f.UNIT_X, Vector3f.UNIT_Y, Vector3f.UNIT_Z);
+    }
+    
+    public PointArrayShadowMap(PointLight light, TextureArray array, int firstArraySlice, int textureSize) {
+        super(array, firstArraySlice);
+        this.light = light;
+        this.slices = new PointArrayShadowMapSlice[6];
+        for (int i = 0; i < slices.length; i++) {
+            this.slices[i] = new PointArrayShadowMapSlice(array, firstArraySlice + i, textureSize, ROTATIONS[i]);
+        }
+    }
+
+    public void renderShadowMap(RenderManager renderManager, ViewPort viewPort, GeometryList shadowCasters) {
+        for (int i = 0; i < slices.length; i++) {
+            shadowCasters.clear();
+            slices[i].updateShadowCamera(viewPort, light, shadowCasters);
+            slices[i].renderShadowMap(renderManager, light, viewPort, shadowCasters);
+        }
+    }
+    
+    @Override
+    public Light.Type getLightType() {
+        return Type.Point;
+    }
+    
+}

jme3-core/src/main/java/com/jme3/shadow/next/array/PointArrayShadowMapSlice.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2009-2017 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.shadow.next.array;
+
+import com.jme3.light.PointLight;
+import com.jme3.math.Quaternion;
+import com.jme3.renderer.ViewPort;
+import com.jme3.renderer.queue.GeometryList;
+import com.jme3.renderer.queue.RenderQueue.ShadowMode;
+import com.jme3.scene.Spatial;
+import com.jme3.shadow.ShadowUtil;
+import com.jme3.texture.TextureArray;
+
+/**
+ * @author Kirill Vainer
+ */
+public class PointArrayShadowMapSlice extends BaseArrayShadowMapSlice<PointLight> {
+
+    public PointArrayShadowMapSlice(TextureArray array, int layer, int textureSize, Quaternion axes) {
+        super(array, layer, textureSize, false);
+        shadowCamera.setAxes(axes);
+    }
+
+    public void updateShadowCamera(ViewPort viewPort, PointLight light, GeometryList shadowCasters) {
+        shadowCamera.setFrustumPerspective(90f, 1f, 0.1f, light.getRadius());
+        shadowCamera.setLocation(light.getPosition());
+        for (Spatial scene : viewPort.getScenes()) {
+            ShadowUtil.getGeometriesInCamFrustum(scene, shadowCamera, ShadowMode.Cast, shadowCasters);
+        }
+    }
+}