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Merged changes r11023,r11022,r11028,r11029 to graddle restructure

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/branches/gradle-restructure@11030 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
experimental
rem..om 11 years ago
parent 4e63056be9
commit cf389fc84c
2 changed files with 41 additions and 23 deletions
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  1. 56
      jme3-core/src/main/java/com/jme3/shadow/ShadowUtil.java
  2. 6
      jme3-core/src/main/java/com/jme3/util/TempVars.java

56
jme3-core/src/main/java/com/jme3/shadow/ShadowUtil.java
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@ -44,7 +44,6 @@ import com.jme3.scene.Geometry;
import com.jme3.util.TempVars;
import static java.lang.Math.max;
import static java.lang.Math.min;
import java.util.ArrayList;
import java.util.List;
/**
@ -172,14 +171,16 @@ public class ShadowUtil {
*/
public static BoundingBox computeUnionBound(GeometryList list, Transform transform) {
BoundingBox bbox = new BoundingBox();
TempVars tempv = TempVars.get();
for (int i = 0; i < list.size(); i++) {
BoundingVolume vol = list.get(i).getWorldBound();
BoundingVolume newVol = vol.transform(transform);
BoundingVolume newVol = vol.transform(transform, tempv.bbox);
//Nehon : prevent NaN and infinity values to screw the final bounding box
if (!Float.isNaN(newVol.getCenter().x) && !Float.isInfinite(newVol.getCenter().x)) {
bbox.mergeLocal(newVol);
}
}
tempv.release();
return bbox;
}
@ -191,15 +192,16 @@ public class ShadowUtil {
*/
public static BoundingBox computeUnionBound(GeometryList list, Matrix4f mat) {
BoundingBox bbox = new BoundingBox();
BoundingVolume store = null;
TempVars tempv = TempVars.get();
for (int i = 0; i < list.size(); i++) {
BoundingVolume vol = list.get(i).getWorldBound();
store = vol.clone().transform(mat, null);
BoundingVolume store = vol.transform(mat, tempv.bbox);
//Nehon : prevent NaN and infinity values to screw the final bounding box
if (!Float.isNaN(store.getCenter().x) && !Float.isInfinite(store.getCenter().x)) {
bbox.mergeLocal(store);
}
}
tempv.release();
return bbox;
}
@ -370,24 +372,33 @@ public class ShadowUtil {
BoundingBox splitBB = computeBoundForPoints(points, viewProjMatrix);
ArrayList<BoundingVolume> visRecvList = new ArrayList<BoundingVolume>();
TempVars vars = TempVars.get();
BoundingBox casterBB = new BoundingBox();
BoundingBox receiverBB = new BoundingBox();
int casterCount = 0, receiverCount = 0;
for (int i = 0; i < receivers.size(); i++) {
// convert bounding box to light's viewproj space
Geometry receiver = receivers.get(i);
BoundingVolume bv = receiver.getWorldBound();
BoundingVolume recvBox = bv.transform(viewProjMatrix, null);
BoundingVolume recvBox = bv.transform(viewProjMatrix, vars.bbox);
if (splitBB.intersects(recvBox)) {
visRecvList.add(recvBox);
//Nehon : prevent NaN and infinity values to screw the final bounding box
if (!Float.isNaN(recvBox.getCenter().x) && !Float.isInfinite(recvBox.getCenter().x)) {
receiverBB.mergeLocal(recvBox);
receiverCount++;
}
}
}
ArrayList<BoundingVolume> visOccList = new ArrayList<BoundingVolume>();
for (int i = 0; i < occluders.size(); i++) {
// convert bounding box to light's viewproj space
Geometry occluder = occluders.get(i);
BoundingVolume bv = occluder.getWorldBound();
BoundingVolume occBox = bv.transform(viewProjMatrix, null);
BoundingVolume occBox = bv.transform(viewProjMatrix, vars.bbox);
boolean intersects = splitBB.intersects(occBox);
if (!intersects && occBox instanceof BoundingBox) {
@ -401,36 +412,37 @@ public class ShadowUtil {
occBB.setZExtent(occBB.getZExtent() + 50);
occBB.setCenter(occBB.getCenter().addLocal(0, 0, 25));
if (splitBB.intersects(occBB)) {
// To prevent extending the depth range too much
// We return the bound to its former shape
// Before adding it
occBB.setZExtent(occBB.getZExtent() - 50);
occBB.setCenter(occBB.getCenter().subtractLocal(0, 0, 25));
visOccList.add(occBox);
//Nehon : prevent NaN and infinity values to screw the final bounding box
if (!Float.isNaN(occBox.getCenter().x) && !Float.isInfinite(occBox.getCenter().x)) {
// To prevent extending the depth range too much
// We return the bound to its former shape
// Before adding it
occBB.setZExtent(occBB.getZExtent() - 50);
occBB.setCenter(occBB.getCenter().subtractLocal(0, 0, 25));
casterBB.mergeLocal(occBox);
casterCount++;
}
if (splitOccluders != null) {
splitOccluders.add(occluder);
}
}
} else if (intersects) {
visOccList.add(occBox);
casterBB.mergeLocal(occBox);
casterCount++;
if (splitOccluders != null) {
splitOccluders.add(occluder);
}
}
}
BoundingBox casterBB = computeUnionBound(visOccList);
BoundingBox receiverBB = computeUnionBound(visRecvList);
//Nehon 08/18/2010 this is to avoid shadow bleeding when the ground is set to only receive shadows
if (visOccList.size() != visRecvList.size()) {
if (casterCount != receiverCount) {
casterBB.setXExtent(casterBB.getXExtent() + 2.0f);
casterBB.setYExtent(casterBB.getYExtent() + 2.0f);
casterBB.setZExtent(casterBB.getZExtent() + 2.0f);
}
TempVars vars = TempVars.get();
Vector3f casterMin = casterBB.getMin(vars.vect1);
Vector3f casterMax = casterBB.getMax(vars.vect2);

6
jme3-core/src/main/java/com/jme3/util/TempVars.java
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@ -31,6 +31,8 @@
*/
package com.jme3.util;
import com.jme3.bounding.BoundingBox;
import com.jme3.bounding.BoundingVolume;
import com.jme3.collision.bih.BIHNode.BIHStackData;
import com.jme3.math.*;
import com.jme3.scene.Spatial;
@ -143,6 +145,10 @@ public class TempVars {
public final IntBuffer intBuffer1 = BufferUtils.createIntBuffer(1);
public final IntBuffer intBuffer16 = BufferUtils.createIntBuffer(16);
public final FloatBuffer floatBuffer16 = BufferUtils.createFloatBuffer(16);
/**
* BoundingVolumes (for shadows etc.)
*/
public final BoundingBox bbox = new BoundingBox();
/**
* Skinning buffers
*/

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