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Correct heightmap

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This commit is contained in:
Edouard DUPIN 2022-03-09 00:21:50 +01:00
parent 8ba3c34262
commit 57c759c0f7
3 changed files with 184 additions and 39 deletions
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11
.project
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@ -14,4 +14,15 @@
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
<filteredResources>
<filter>
<id>1646149232199</id>
<name></name>
<type>30</type>
<matcher>
<id>org.eclipse.core.resources.regexFilterMatcher</id>
<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
</matcher>
</filter>
</filteredResources>
</projectDescription>

66
src/org/atriasoft/loader3d/resources/ResourceMesh.java
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@ -592,23 +592,12 @@ public class ResourceMesh extends ResourceStaticMesh {
}
}
// public void createViewBox( String _materialName,float _size=1.0){
// this.normalMode = NormalMode.NONE;
// ege::viewBox::create(this.materials, this.listFaces, this.listVertex, this.listUV,
// _materialName, _size);
// calculateNormaleFace(_materialName);
// }
//
// public void createIcoSphere( String _materialName,float _size=1.0, int _subdivision=3) {
// this.normalMode = NormalMode.NONE;
// ege::icoSphere::create(this.materials, this.listFaces, this.listVertex, this.listUV,
// _materialName, _size, _subdivision);
// calculateNormaleFace(_materialName);
// }
//private boolean loadOBJ( Uri _fileName);
//private boolean loadEMF( Uri _fileName);
private void calculateNormaleFace(final String _materialName) {
protected void calculateNormaleFace(final String materialName) {
this.listFacesNormal.clear();
calculateNormaleFaceLocal(materialName);
}
protected void calculateNormaleFaceLocal(final String _materialName) {
if (this.normalMode == NormalMode.FACE) {
Log.verbose("calculateNormaleFace(" + _materialName + ")");
RenderMode tmpRenderMode = this.materials.get(_materialName).getRenderMode();
@ -617,7 +606,13 @@ public class ResourceMesh extends ResourceStaticMesh {
this.normalMode = NormalMode.NONE;
return;
}
for (Face it : this.listFaces.get(_materialName).face()) {
FaceIndexing faceList = null;
if (this.listFaces.containsKey(_materialName)) {
faceList = this.listFaces.get(_materialName);
} else if (this.listPaletteFaces.containsKey(_materialName)) {
faceList = this.listPaletteFaces.get(_materialName);
}
for (Face it : faceList.face()) {
// for all case, We use only the 3 vertex for quad element, in theory 3D modeler export element in triangle if it is not a real plane.
Vector3f normal = (this.listVertex.get(it.vertex[0]).less(this.listVertex.get(it.vertex[1]))).cross(this.listVertex.get(it.vertex[1]).less(this.listVertex.get(it.vertex[2])));
//Log.info("normal: " + normal.normalized());
@ -635,6 +630,30 @@ public class ResourceMesh extends ResourceStaticMesh {
}
}
// public void createViewBox( String _materialName,float _size=1.0){
// this.normalMode = NormalMode.NONE;
// ege::viewBox::create(this.materials, this.listFaces, this.listVertex, this.listUV,
// _materialName, _size);
// calculateNormaleFace(_materialName);
// }
//
// public void createIcoSphere( String _materialName,float _size=1.0, int _subdivision=3) {
// this.normalMode = NormalMode.NONE;
// ege::icoSphere::create(this.materials, this.listFaces, this.listVertex, this.listUV,
// _materialName, _size, _subdivision);
// calculateNormaleFace(_materialName);
// }
//private boolean loadOBJ( Uri _fileName);
//private boolean loadEMF( Uri _fileName);
protected void calculateNormaleFaces(final List<String> materialsNames) {
this.listFacesNormal.clear();
for (String name : materialsNames) {
Log.warning("generate normal for: '" + name + "'");
calculateNormaleFaceLocal(name);
}
}
void clean() {
//this.physics.clear();
this.materials.clear();
@ -648,6 +667,17 @@ public class ResourceMesh extends ResourceStaticMesh {
this.vao = ResourceVirtualArrayObject.createDynamic();
}
void cleanPartial() {
this.listFaces.clear();
this.listPaletteFaces.clear();
this.listColor.clear();
this.listVertexNormal.clear();
this.listFacesNormal.clear();
this.listUV.clear();
this.listVertex.clear();
this.vao = ResourceVirtualArrayObject.createDynamic();
}
protected int findColorInList(final Color _color) {
for (int iii = 0; iii < this.listColor.size(); ++iii) {
if (this.listColor.get(iii) == _color) {
@ -762,7 +792,7 @@ public class ResourceMesh extends ResourceStaticMesh {
// calculate the normal of all faces if needed
if (this.normalMode != NormalMode.NONE && this.listFacesNormal.size() == 0) {
// when no normal detected == > auto generate Face normal ....
Log.error("No normal detected ???");
Log.error("No normal detected ??? ==> abort generation of the VBO");
// calculateNormaleFace(this.listFaces.getKeys()[0]);
}

146
src/org/atriasoft/loader3d/resources/ResourceMeshHeightMap.java
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@ -1,8 +1,11 @@
package org.atriasoft.loader3d.resources;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.atriasoft.etk.math.Vector3f;
import org.atriasoft.gale.backend3d.OpenGL.RenderMode;
import org.atriasoft.loader3d.Face;
import org.atriasoft.loader3d.FaceIndexing;
import org.atriasoft.loader3d.NormalMode;
@ -23,6 +26,7 @@ public class ResourceMeshHeightMap extends ResourceMesh {
*/
public ResourceMeshHeightMap() {
this.normalMode = NormalMode.FACE;
this.vao.setName("[VBO] of heightmap");
}
void addPalette(String key, Material mat) {
@ -33,31 +37,131 @@ public class ResourceMeshHeightMap extends ResourceMesh {
return this.palettes;
}
public void udateData(float[][] heightMap, String[][] colorMap, int width, int length) throws Exception {
float ratio = 0.2f;
for (int yyy = 0; yyy < length - 1; yyy++) {
for (int xxx = 0; xxx < width - 1; xxx++) {
Vector3f vertex1 = new Vector3f(ratio * xxx, ratio * yyy, ratio * heightMap[yyy][xxx]);
this.listVertex.add(vertex1);
Vector3f vertex2 = new Vector3f(ratio * (xxx + 1), ratio * yyy, ratio * heightMap[yyy][xxx + 1]);
this.listVertex.add(vertex2);
Vector3f vertex3 = new Vector3f(ratio * xxx, ratio * (yyy + 1), ratio * heightMap[yyy + 1][xxx]);
this.listVertex.add(vertex3);
FaceIndexing currentFaceIndexing = null;
String meshFaceMaterialID = colorMap[yyy][xxx * 2];
if (this.listPaletteFaces.containsKey(meshFaceMaterialID) == false) {
currentFaceIndexing = new FaceIndexing();
this.listPaletteFaces.put(meshFaceMaterialID, currentFaceIndexing);
public void udateData(float[][] heightMap, String[][] colorMap, int sizeX, int sizeY) throws Exception {
float ratio = 1;
setMode(RenderMode.TRIANGLE);
//cleanPartial();
List<String> materialsNames = new ArrayList<>();
for (int yyy = 0; yyy < sizeY - 1; yyy++) {
for (int xxx = 0; xxx < sizeX - 1; xxx++) {
if (xxx % 2 == 0) {
float offsetA = 0.5f;
{
int pos = this.listVertex.size();
Vector3f vertex1 = new Vector3f(ratio * xxx, ratio * yyy, ratio * heightMap[yyy][xxx]);
this.listVertex.add(vertex1);
Vector3f vertex2 = new Vector3f(ratio * (xxx + 1), ratio * (yyy + offsetA), ratio * heightMap[yyy][xxx + 1]);
this.listVertex.add(vertex2);
Vector3f vertex3 = new Vector3f(ratio * xxx, ratio * (yyy + 1.0f), ratio * heightMap[yyy + 1][xxx]);
this.listVertex.add(vertex3);
FaceIndexing currentFaceIndexing = null;
String meshFaceMaterialID = colorMap[yyy][xxx * 2];
if (!materialsNames.contains(meshFaceMaterialID)) {
materialsNames.add(meshFaceMaterialID);
}
if (!this.listPaletteFaces.containsKey(meshFaceMaterialID)) {
currentFaceIndexing = new FaceIndexing();
this.listPaletteFaces.put(meshFaceMaterialID, currentFaceIndexing);
} else {
currentFaceIndexing = this.listPaletteFaces.get(meshFaceMaterialID);
}
Face face = new Face();
face.setVertex(pos, pos + 1, pos + 2);
currentFaceIndexing.face().add(face);
}
{
int pos = this.listVertex.size();
Vector3f vertex1 = new Vector3f(ratio * (xxx + 1), ratio * (yyy + 1 + offsetA), ratio * heightMap[yyy + 1][xxx + 1]);
this.listVertex.add(vertex1);
Vector3f vertex2 = new Vector3f(ratio * (xxx + 1), ratio * (yyy + offsetA), ratio * heightMap[yyy][xxx + 1]);
this.listVertex.add(vertex2);
Vector3f vertex3 = new Vector3f(ratio * xxx, ratio * (yyy + 1), ratio * heightMap[yyy + 1][xxx]);
this.listVertex.add(vertex3);
FaceIndexing currentFaceIndexing = null;
String meshFaceMaterialID = colorMap[yyy][xxx * 2 + 1];
if (!materialsNames.contains(meshFaceMaterialID)) {
materialsNames.add(meshFaceMaterialID);
}
if (!this.listPaletteFaces.containsKey(meshFaceMaterialID)) {
currentFaceIndexing = new FaceIndexing();
this.listPaletteFaces.put(meshFaceMaterialID, currentFaceIndexing);
} else {
currentFaceIndexing = this.listPaletteFaces.get(meshFaceMaterialID);
}
Face face = new Face();
face.setVertex(pos, pos + 1, pos + 2);
currentFaceIndexing.face().add(face);
}
} else {
currentFaceIndexing = this.listPaletteFaces.get(meshFaceMaterialID);
float offsetA = 0.5f;
{
int pos = this.listVertex.size();
Vector3f vertex1 = new Vector3f(ratio * xxx, ratio * (yyy + offsetA), ratio * heightMap[yyy][xxx]);
this.listVertex.add(vertex1);
Vector3f vertex2 = new Vector3f(ratio * (xxx + 1), ratio * yyy, ratio * heightMap[yyy][xxx + 1]);
this.listVertex.add(vertex2);
Vector3f vertex3 = new Vector3f(ratio * (xxx + 1), ratio * (yyy + 1.0f), ratio * heightMap[yyy + 1][xxx + 1]);
this.listVertex.add(vertex3);
FaceIndexing currentFaceIndexing = null;
String meshFaceMaterialID = colorMap[yyy][xxx * 2];
if (!materialsNames.contains(meshFaceMaterialID)) {
materialsNames.add(meshFaceMaterialID);
}
if (!this.listPaletteFaces.containsKey(meshFaceMaterialID)) {
currentFaceIndexing = new FaceIndexing();
this.listPaletteFaces.put(meshFaceMaterialID, currentFaceIndexing);
} else {
currentFaceIndexing = this.listPaletteFaces.get(meshFaceMaterialID);
}
Face face = new Face();
face.setVertex(pos, pos + 1, pos + 2);
currentFaceIndexing.face().add(face);
}
{
int pos = this.listVertex.size();
Vector3f vertex1 = new Vector3f(ratio * (xxx + 1), ratio * (yyy + 1), ratio * heightMap[yyy + 1][xxx + 1]);
this.listVertex.add(vertex1);
Vector3f vertex2 = new Vector3f(ratio * (xxx), ratio * (yyy + 1 + offsetA), ratio * heightMap[yyy + 1][xxx + 1]);
this.listVertex.add(vertex2);
Vector3f vertex3 = new Vector3f(ratio * xxx, ratio * (yyy + offsetA), ratio * heightMap[yyy][xxx]);
this.listVertex.add(vertex3);
FaceIndexing currentFaceIndexing = null;
String meshFaceMaterialID = colorMap[yyy][xxx * 2 + 1];
if (!materialsNames.contains(meshFaceMaterialID)) {
materialsNames.add(meshFaceMaterialID);
}
if (!this.listPaletteFaces.containsKey(meshFaceMaterialID)) {
currentFaceIndexing = new FaceIndexing();
this.listPaletteFaces.put(meshFaceMaterialID, currentFaceIndexing);
} else {
currentFaceIndexing = this.listPaletteFaces.get(meshFaceMaterialID);
}
Face face = new Face();
face.setVertex(pos, pos + 1, pos + 2);
currentFaceIndexing.face().add(face);
}
}
Face face = new Face();
int pos = this.listVertex.size() - 3;
face.setVertex(pos, pos + 1, pos + 2);
currentFaceIndexing.face().add(face);
}
}
//Log.warning("this.listVertex: " + this.listVertex.size());
//Log.warning("this.listFacesNormal: " + this.listFacesNormal.size());
calculateNormaleFaces(materialsNames);
//Log.warning("this.listVertex: " + this.listVertex.size());
//Log.warning("this.listFacesNormal: " + this.listFacesNormal.size());
// Log.verbose("New heightmap mesh : ");
// Log.verbose(" nb vertex: " + this.listVertex.size());
// Log.verbose(" nb UV: " + this.listUV.size());
// Log.verbose(" nb Colors: " + this.listColor.size());
// Log.verbose(" nb Normal face: " + this.listFacesNormal.size());
// Log.verbose(" nb Normal vertex: " + this.listVertexNormal.size());
// Log.verbose(" nb Faces: " + this.listFaces.size());
// Log.verbose(" nb Faces (palette): " + this.listPaletteFaces.get(0).face().size());
// Log.verbose(" nb material: " + this.materials.size());
// Log.verbose(" nb palettes: " + this.palettes.size());
generateVBO();
}