sigonasr2
/
jmonkeyengine
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fixed some terrain edge tangents

Browse Source 
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8835 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
3.0
bre..ns 13 years ago
parent 670c95ad14
commit 7f1fff1538
2 changed files with 103 additions and 229 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 34
      engine/src/terrain/com/jme3/terrain/geomipmap/LODGeomap.java
  2. 292
      engine/src/terrain/com/jme3/terrain/geomipmap/TerrainPatch.java

34
engine/src/terrain/com/jme3/terrain/geomipmap/LODGeomap.java
Unescape View File

@ -660,29 +660,39 @@ public class LODGeomap extends GeoMap {
Vector2f t2 = new Vector2f();
Vector2f t3 = new Vector2f();
scale = Vector3f.UNIT_XYZ;
//scale = Vector3f.UNIT_XYZ;
for (int r = 0; r < getHeight(); r++) {
for (int c = 0; c < getWidth(); c++) {
int texIdx = ((getHeight() - 1 - r) * getWidth() + c) * 2; // pull from the end
int texIdxPrev = ((getHeight() - 1 - (r - 1)) * getWidth() + c) * 2; // pull from the end
int texIdxAbove = ((getHeight() - 1 - (r - 1)) * getWidth() + c) * 2; // pull from the end
int texIdxNext = ((getHeight() - 1 - (r + 1)) * getWidth() + c) * 2; // pull from the end
v1.set(c, getValue(c, r), r);
t1.set(textureBuffer.get(texIdx), textureBuffer.get(texIdx + 1));
if (r == 0) { // first row
v3.set(c, getValue(c, r), r); // ???
t3.set(textureBuffer.get(texIdxNext), textureBuffer.get(texIdxNext + 1)); // ???
// below
if (r == getHeight()-1) { // last row
v3.set(c, getValue(c, r), r + 1);
float u = textureBuffer.get(texIdx) - textureBuffer.get(texIdxAbove);
u += textureBuffer.get(texIdx);
float v = textureBuffer.get(texIdx + 1) - textureBuffer.get(texIdxAbove + 1);
v += textureBuffer.get(texIdx + 1);
t3.set(u, v);
} else {
v3.set(c, getValue(c, r - 1), r - 1);
t3.set(textureBuffer.get(texIdxPrev), textureBuffer.get(texIdxPrev + 1));
v3.set(c, getValue(c, r + 1), r + 1);
t3.set(textureBuffer.get(texIdxNext), textureBuffer.get(texIdxNext + 1));
}
//right
if (c == getWidth()-1) { // last column
v2.set(c + 1, getValue(c, r), r); // use same height
t2.set(textureBuffer.get(texIdx), textureBuffer.get(texIdx + 1));
v2.set(c + 1, getValue(c, r), r);
float u = textureBuffer.get(texIdx) - textureBuffer.get(texIdx - 2);
u += textureBuffer.get(texIdx);
float v = textureBuffer.get(texIdx + 1) - textureBuffer.get(texIdx - 1);
v += textureBuffer.get(texIdx - 1);
t2.set(u, v);
} else {
v2.set(c + 1, getValue(c + 1, r), r); // one to the right
t2.set(textureBuffer.get(texIdx + 2), textureBuffer.get(texIdx + 3));
@ -699,8 +709,8 @@ public class LODGeomap extends GeoMap {
/**
*
* @param v Takes 3 vertexes: root, right, top
* @param t Takes 3 tex coords: root, right, top
* @param v Takes 3 vertices: root, right, bottom
* @param t Takes 3 tex coords: root, right, bottom
* @param tangent that will store the result
* @return the tangent store
*/
@ -827,7 +837,7 @@ public class LODGeomap extends GeoMap {
} else if (c == getWidth() - 1) { // last column
topPoint.set(c, getValue(c, r - 1), r - 1);
leftPoint.set(c - 1, getValue(c - 1, r), r);
bottomPoint.set(c, getValue(c, r + 1), r + 1);
bottomPoint.set(c, getValue(c, r + 1), r + 1); //XXX wrong
normal.set( getNormal(topPoint, rootPoint, leftPoint, scale, tmp1) );
normal.add( getNormal(leftPoint, rootPoint, bottomPoint, scale, tmp1) );

292
engine/src/terrain/com/jme3/terrain/geomipmap/TerrainPatch.java
Unescape View File

@ -316,7 +316,7 @@ public class TerrainPatch extends Geometry {
}
/**
* recalculate all of this normal vectors in this terrain patch
* recalculate all of the normal vectors in this terrain patch
*/
protected void updateNormals() {
FloatBuffer newNormalBuffer = geomap.writeNormalArray(null, getWorldScale());
@ -342,6 +342,9 @@ public class TerrainPatch extends Geometry {
* *---x---*
* |
* *
* It works across the right side of the patch, from the top down to
* the bottom. Then it works on the bottom side of the patch, from the
* left to the right.
*/
protected void fixNormalEdges(TerrainPatch right,
TerrainPatch bottom,
@ -356,310 +359,171 @@ public class TerrainPatch extends Geometry {
Vector3f rightPoint = new Vector3f();
Vector3f leftPoint = new Vector3f();
Vector3f topPoint = new Vector3f();
Vector3f bottomPoint = new Vector3f();
Vector2f rootTex = new Vector2f();
Vector2f rightTex = new Vector2f();
Vector2f leftTex = new Vector2f();
Vector2f topTex = new Vector2f();
Vector2f bottomTex = new Vector2f();
Vector3f normal = new Vector3f();
Vector3f tangent = new Vector3f();
Vector3f binormal = new Vector3f();
Vector3f normal = new Vector3f();
int s = this.getSize()-1;
if (right != null) { // right side
if (right != null) { // right side, works its way down
for (int i=0; i<s+1; i++) {
rootPoint.set(s, this.getHeightmapHeight(s,i), i);
leftPoint.set(s-1, this.getHeightmapHeight(s-1,i), i);
rightPoint.set(s+1, right.getHeightmapHeight(1,i), i);
this.getTex(s,i, rootTex);
this.getTex(s-1,i, leftTex);
right.getTex(1,i, rightTex);
if (i == 0) { // top
rightTex.set( rootTex.add(right.getTex(1,i, rightTex).setY(0)));
if (i == 0) { // top point
if (top == null) {
bottomPoint.set(s, this.getHeightmapHeight(s,i+1), i+1);
this.getTex(s,i+1, bottomTex);
averageNormalsTangents(null, rootPoint, leftPoint, bottomPoint, rightPoint, null, rootTex, leftTex, bottomTex, rightTex, normal, tangent);
averageNormalsTangents(null, rootPoint, leftPoint, bottomPoint, rightPoint, null, rootTex, leftTex, bottomTex, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal);
VertexBuffer rightTB = right.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), s);
//BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), s);
//BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), s);
BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), 0);
BufferUtils.setInBuffer(tangent, (FloatBuffer)rightTB.getData(), 0);
} else {
topPoint.set(s, top.getHeightmapHeight(s,s-1), i-1);
bottomPoint.set(s, this.getHeightmapHeight(s,i+1), i+1);
top.getTex(s,s-1, topTex);
this.getTex(s,i+1, bottomTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal);
VertexBuffer rightTB = right.getMesh().getBuffer(Type.Tangent);
VertexBuffer topNB = top.getMesh().getBuffer(Type.Normal);
VertexBuffer topTB = top.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), s);
//BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), s);
//BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), s);
BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), 0);
BufferUtils.setInBuffer(tangent, (FloatBuffer)rightTB.getData(), 0);
BufferUtils.setInBuffer(normal, (FloatBuffer)topNB.getData(), (s+1)*(s+1)-1);
BufferUtils.setInBuffer(tangent, (FloatBuffer)topTB.getData(), (s+1)*(s+1)-1);
// update top right corner
/*if (topRight != null) {
VertexBuffer topRightNB = topRight.getMesh().getBuffer(Type.Normal);
VertexBuffer topRightTB = topRight.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)topRightNB.getData(), (s+1)*s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)topRightTB.getData(), (s+1)*s);
topRightNB.setUpdateNeeded();
topRightTB.setUpdateNeeded();
}*/
}
} else if (i == s) { // bottom
} else if (i == s) { // bottom point
if (bottom == null) {
topPoint.set(s, this.getHeightmapHeight(s,i-1), i-1);
this.getTex(s,i-1, topTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, null, rightPoint, topTex, rootTex, leftTex, null, rightTex, normal, tangent);
//this.getTex(s,i-1, topTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, null, rightPoint, topTex, rootTex, leftTex, null, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal);
VertexBuffer rightTB = right.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(i+1)-1);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(i+1)-1);
//BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(i+1)-1);
//BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), (s+1)*(i+1)-1);
BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), (s+1)*(i));
BufferUtils.setInBuffer(tangent, (FloatBuffer)rightTB.getData(), (s+1)*(i));
} else {
topPoint.set(s, this.getHeightmapHeight(s,i-1), i-1);
bottomPoint.set(s, bottom.getHeightmapHeight(s,1), i+1);
this.getTex(s,i-1, topTex);
bottom.getTex(s,1, bottomTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal);
VertexBuffer rightTB = right.getMesh().getBuffer(Type.Tangent);
VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal);
VertexBuffer downTB = bottom.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(s+1)-1);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(s+1)-1);
//BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(s+1)-1);
//BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), (s+1)*(s+1)-1);
BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), (s+1)*s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)rightTB.getData(), (s+1)*s);
BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)downTB.getData(), s);
/*if (bottomRight != null) {
if (bottomRight != null) {
VertexBuffer bottomRightNB = bottomRight.getMesh().getBuffer(Type.Normal);
VertexBuffer bottomRightTB = bottomRight.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)bottomRightNB.getData(), 0);
BufferUtils.setInBuffer(tangent, (FloatBuffer)bottomRightTB.getData(), 0);
bottomRightNB.setUpdateNeeded();
bottomRightTB.setUpdateNeeded();
}*/
downNB.setUpdateNeeded();
downTB.setUpdateNeeded();
}
downNB.setUpdateNeeded();;
}
} else { // all in the middle
topPoint.set(s, this.getHeightmapHeight(s,i-1), i-1);
bottomPoint.set(s, this.getHeightmapHeight(s,i+1), i+1);
this.getTex(s,i-1, topTex);
//this.getTex(s,i-1, topTex);
this.getTex(s,i+1, bottomTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, rootTex, null, bottomTex, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
//VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
VertexBuffer rightNB = right.getMesh().getBuffer(Type.Normal);
VertexBuffer rightTB = right.getMesh().getBuffer(Type.Tangent);
//VertexBuffer rightTB = right.getMesh().getBuffer(Type.Tangent);
//VertexBuffer rightBB = right.getMesh().getBuffer(Type.Binormal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(i+1)-1);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(i+1)-1);
BufferUtils.setInBuffer(normal, (FloatBuffer)rightNB.getData(), (s+1)*(i));
BufferUtils.setInBuffer(tangent, (FloatBuffer)rightTB.getData(), (s+1)*(i));
}
}
right.getMesh().getBuffer(Type.Normal).setUpdateNeeded();
right.getMesh().getBuffer(Type.Tangent).setUpdateNeeded();
}
if (bottom != null) {
if (bottom != null) { // bottom side, works its way right
for (int i=0; i<s+1; i++) {
rootPoint.set(i, this.getHeightmapHeight(i,s), s);
topPoint.set(i, this.getHeightmapHeight(i,s-1), s-1);
bottomPoint.set(i, bottom.getHeightmapHeight(i,1), s+1);
this.getTex(i,s, rootTex);
this.getTex(i,s-1, topTex);
bottom.getTex(i,1, bottomTex);
bottomTex.set( rootTex.add(bottom.getTex(i,1, bottomTex).setX(0)) );
if (i == 0) { // left
/*if (left == null) {
rightPoint.set(i+1, this.getHeight(i+1,s), s);
averageNormalsTangents(v, t, indexes, topPoint, rootPoint, null, bottomPoint, rightPoint, topTex, rootTex, null, bottomTex, rightTex, normal, tangent);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal);
VertexBuffer downTB = bottom.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*s);
BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), 0);
BufferUtils.setInBuffer(tangent, (FloatBuffer)downTB.getData(), 0);
} else {
leftPoint.set(i-1, left.getHeight(s-1,s), s);
rightPoint.set(i+1, this.getHeight(i+1,s), s);
left.getTex(i-1,s, leftTex);
this.getTex(i+1,s, rightTex);
averageNormalsTangents(v, t, indexes, topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent);
// handled by the left neighbour, on its right-side pass
if (left == null) {
rightPoint.set(i+1, this.getHeightmapHeight(i+1,s), s);
// no left neighbour so we have to do it in this one
averageNormalsTangents(topPoint, rootPoint, null, bottomPoint, rightPoint, topTex, rootTex, null, bottomTex, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
VertexBuffer leftNB = left.getMesh().getBuffer(Type.Normal);
VertexBuffer leftTB = left.getMesh().getBuffer(Type.Tangent);
VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(s)+i);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(s)+i);
BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), (s+1)*(s)+i);
VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal);
VertexBuffer downTB = bottom.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*s);
BufferUtils.setInBuffer(normal, (FloatBuffer)leftNB.getData(), (s+1)*(s+1)-1);
BufferUtils.setInBuffer(tangent, (FloatBuffer)leftTB.getData(), (s+1)*(s+1)-1);
BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), 0);
BufferUtils.setInBuffer(tangent, (FloatBuffer)downTB.getData(), 0);
}*/
BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), i);
}
} else if (i == s) { // right
// handled by right side
// handled by this patch when it does its right side
} else { // all in the middle
leftPoint.set(i-1, this.getHeightmapHeight(i-1,s), s);
rightPoint.set(i+1, this.getHeightmapHeight(i+1,s), s);
this.getTex(i-1,s, leftTex);
this.getTex(i+1,s, rightTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent, binormal);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal);
VertexBuffer downTB = bottom.getMesh().getBuffer(Type.Tangent);
VertexBuffer tpBB = this.getMesh().getBuffer(Type.Binormal);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(s)+i);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(s)+i);
BufferUtils.setInBuffer(binormal, (FloatBuffer)tpBB.getData(), (s+1)*(s)+i);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, null, null, null, null, null, normal, tangent, binormal);
VertexBuffer downNB = bottom.getMesh().getBuffer(Type.Normal);
BufferUtils.setInBuffer(normal, (FloatBuffer)downNB.getData(), i);
BufferUtils.setInBuffer(tangent, (FloatBuffer)downTB.getData(), i);
}
}
bottom.getMesh().getBuffer(Type.Normal).setUpdateNeeded();
bottom.getMesh().getBuffer(Type.Tangent).setUpdateNeeded();
}
if (left != null) { // left side
for (int i=0; i<s+1; i++) {
rootPoint.set(0, this.getHeightmapHeight(0,i), i);
leftPoint.set(-1, left.getHeightmapHeight(s-1,i), i);
rightPoint.set(1, this.getHeightmapHeight(1,i), i);
this.getTex(0,i, rootTex);
left.getTex(s-1,i, leftTex);
this.getTex(1,i, rightTex);
if (i == 0) { // top
if (top == null) {
bottomPoint.set(0, this.getHeightmapHeight(0,i+1), i+1);
this.getTex(0,i+1, bottomTex);
averageNormalsTangents(null, rootPoint, leftPoint, bottomPoint, rightPoint, null, rootTex, leftTex, bottomTex, rightTex, normal, tangent);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
VertexBuffer leftNB = left.getMesh().getBuffer(Type.Normal);
VertexBuffer leftTB = left.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), 0);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), 0);
BufferUtils.setInBuffer(normal, (FloatBuffer)leftNB.getData(), s+1);
BufferUtils.setInBuffer(tangent, (FloatBuffer)leftTB.getData(), s+1);
} else {
topPoint.set(0, top.getHeightmapHeight(0,s-1), i-1);
bottomPoint.set(0, this.getHeightmapHeight(0,i+1), i+1);
top.getTex(0,i-1, topTex);
this.getTex(0,i+1, bottomTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
VertexBuffer leftNB = left.getMesh().getBuffer(Type.Normal);
VertexBuffer leftTB = left.getMesh().getBuffer(Type.Tangent);
VertexBuffer topNB = top.getMesh().getBuffer(Type.Normal);
VertexBuffer topTB = top.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), 0);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), 0);
BufferUtils.setInBuffer(normal, (FloatBuffer)leftNB.getData(), s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)leftTB.getData(), s);
BufferUtils.setInBuffer(normal, (FloatBuffer)topNB.getData(), (s+1)*s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)topTB.getData(), (s+1)*s);
/*if (topLeft != null) {
VertexBuffer topLeftNB = topLeft.getMesh().getBuffer(Type.Normal);
VertexBuffer topLeftTB = topLeft.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)topLeftNB.getData(), (s+1)*(s+1)-1);
BufferUtils.setInBuffer(tangent, (FloatBuffer)topLeftTB.getData(), (s+1)*(s+1)-1);
topLeftNB.setUpdateNeeded();
topLeftTB.setUpdateNeeded();
}*/
topNB.setUpdateNeeded();
}
} else if (i == s) { // bottom
// handled by bottom
/*if (bottomLeft != null) {
VertexBuffer bottomLeftNB = bottomLeft.getMesh().getBuffer(Type.Normal);
VertexBuffer bottomLeftTB = bottomLeft.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)bottomLeftNB.getData(), s);
BufferUtils.setInBuffer(tangent, (FloatBuffer)bottomLeftTB.getData(), s);
bottomLeftNB.setUpdateNeeded();
bottomLeftTB.setUpdateNeeded();
}*/
} else { // all in the middle
topPoint.set(0, this.getHeightmapHeight(0,i-1), i-1);
bottomPoint.set(0, this.getHeightmapHeight(0,i+1), i+1);
this.getTex(0,i-1, topTex);
this.getTex(0,i+1, bottomTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
VertexBuffer leftNB = left.getMesh().getBuffer(Type.Normal);
VertexBuffer leftTB = left.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), (s+1)*(i));
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), (s+1)*(i));
BufferUtils.setInBuffer(normal, (FloatBuffer)leftNB.getData(), (s+1)*(i+1)-1);
BufferUtils.setInBuffer(tangent, (FloatBuffer)leftTB.getData(), (s+1)*(i+1)-1);
}
}
left.getMesh().getBuffer(Type.Normal).setUpdateNeeded();
left.getMesh().getBuffer(Type.Tangent).setUpdateNeeded();
}
if (top != null) { // top side
for (int i=0; i<s+1; i++) {
rootPoint.set(i, this.getHeightmapHeight(i,0), 0);
topPoint.set(i, top.getHeightmapHeight(i,s-1), -1);
bottomPoint.set(i, this.getHeightmapHeight(i,1), 1);
this.getTex(i,s, rootTex);
top.getTex(i,s-1, topTex);
this.getTex(i,1, bottomTex);
if (i == 0) { // left
// handled by left side
} else if (i == s) { // right
// handled by right side
} else { // all in the middle
leftPoint.set(i-1, this.getHeightmapHeight(i-1,0), 0);
rightPoint.set(i+1, this.getHeightmapHeight(i+1,0), 0);
this.getTex(i-1,0, leftTex);
this.getTex(i+1,0, rightTex);
averageNormalsTangents(topPoint, rootPoint, leftPoint, bottomPoint, rightPoint, topTex, rootTex, leftTex, bottomTex, rightTex, normal, tangent);
VertexBuffer tpNB = this.getMesh().getBuffer(Type.Normal);
VertexBuffer tpTB = this.getMesh().getBuffer(Type.Tangent);
VertexBuffer topNB = top.getMesh().getBuffer(Type.Normal);
VertexBuffer topTB = top.getMesh().getBuffer(Type.Tangent);
BufferUtils.setInBuffer(normal, (FloatBuffer)tpNB.getData(), i);
BufferUtils.setInBuffer(tangent, (FloatBuffer)tpTB.getData(), i);
BufferUtils.setInBuffer(normal, (FloatBuffer)topNB.getData(), (s+1)*(s)+i);
BufferUtils.setInBuffer(tangent, (FloatBuffer)topTB.getData(), (s+1)*(s)+i);
}
}
top.getMesh().getBuffer(Type.Normal).setUpdateNeeded();
}
this.getMesh().getBuffer(Type.Normal).setUpdateNeeded();
this.getMesh().getBuffer(Type.Tangent).setUpdateNeeded();
this.getMesh().getBuffer(Type.Binormal).setUpdateNeeded();
}
protected void averageNormalsTangents(
@ -674,7 +538,8 @@ public class TerrainPatch extends Geometry {
Vector2f bottomTex,
Vector2f rightTex,
Vector3f normal,
Vector3f tangent)
Vector3f tangent,
Vector3f binormal)
{
Vector3f scale = getWorldScale();
@ -695,9 +560,8 @@ public class TerrainPatch extends Geometry {
n4 = calculateNormal(rightPoint.mult(scale), rootPoint.mult(scale), topPoint.mult(scale));
}
Vector3f binormal = new Vector3f();
if (topPoint != null && rightPoint != null)
LODGeomap.calculateTangent(new Vector3f[]{rootPoint.mult(scale),rightPoint.mult(scale),topPoint.mult(scale)}, new Vector2f[]{rootTex,rightTex,topTex}, tangent, binormal);
if (bottomPoint != null && rightPoint != null && rootTex != null && rightTex != null && bottomTex != null)
LODGeomap.calculateTangent(new Vector3f[]{rootPoint.mult(scale),rightPoint.mult(scale),bottomPoint.mult(scale)}, new Vector2f[]{rootTex,rightTex,bottomTex}, tangent, binormal);
normal.set(n1.add(n2).add(n3).add(n4).normalizeLocal());
}

Write Preview
Loading…
Cancel
Save