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Support for 'Normal' texture mapping for 3D textures.

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8094 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
Kae..pl 2011-08-25 18:50:06 +00:00
parent 2918980a88
commit ef430fe04a
1 changed files with 41 additions and 39 deletions
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80
engine/src/blender/com/jme3/scene/plugins/blender/textures/UVCoordinatesGenerator.java
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@ -101,44 +101,11 @@ public class UVCoordinatesGenerator {
VertexBuffer result = new VertexBuffer(VertexBuffer.Type.TexCoord); VertexBuffer result = new VertexBuffer(VertexBuffer.Type.TexCoord);
Mesh mesh = geometries.get(0).getMesh(); Mesh mesh = geometries.get(0).getMesh();
BoundingBox bb = UVCoordinatesGenerator.getBoundingBox(geometries); BoundingBox bb = UVCoordinatesGenerator.getBoundingBox(geometries);
float[] inputData = null;//positions, normals, reflection vectors, etc.
switch (texco) { switch (texco) {
case TEXCO_ORCO: case TEXCO_ORCO:
float[] uvCoordinates = null; inputData = BufferUtils.getFloatArray(mesh.getFloatBuffer(VertexBuffer.Type.Position));
if (textureDimension == 2) {
switch (projection) {
case PROJECTION_FLAT:
uvCoordinates = UVProjectionGenerator.flatProjection(mesh, bb);
break;
case PROJECTION_CUBE:
uvCoordinates = UVProjectionGenerator.cubeProjection(mesh, bb);
break;
case PROJECTION_TUBE:
BoundingTube bt = UVCoordinatesGenerator.getBoundingTube(mesh);
uvCoordinates = UVProjectionGenerator.tubeProjection(mesh, bt);
break;
case PROJECTION_SPHERE:
BoundingSphere bs = UVCoordinatesGenerator.getBoundingSphere(geometries);
uvCoordinates = UVProjectionGenerator.sphereProjection(mesh, bs);
break;
default:
throw new IllegalStateException("Unknown projection type: " + projection);
}
} else {
FloatBuffer positions = mesh.getFloatBuffer(VertexBuffer.Type.Position);
uvCoordinates = BufferUtils.getFloatArray(positions);
Vector3f min = bb.getMin(null);
float[] ext = new float[] { bb.getXExtent() * 2, bb.getYExtent() * 2, bb.getZExtent() * 2 };
// now transform the coordinates so that they are in the range of <0; 1>
for (int i = 0; i < uvCoordinates.length; i += 3) {
uvCoordinates[i] = (uvCoordinates[i] - min.x) / ext[0];
uvCoordinates[i + 1] = (uvCoordinates[i + 1] - min.y) / ext[1];
uvCoordinates[i + 2] = (uvCoordinates[i + 2] - min.z) / ext[2];
}
result.setupData(Usage.Static, textureDimension, Format.Float, BufferUtils.createFloatBuffer(uvCoordinates));
}
result.setupData(Usage.Static, textureDimension, Format.Float, BufferUtils.createFloatBuffer(uvCoordinates));
break; break;
case TEXCO_UV: case TEXCO_UV:
if (textureDimension == 2) { if (textureDimension == 2) {
@ -151,9 +118,12 @@ public class UVCoordinatesGenerator {
} }
result.setupData(Usage.Static, textureDimension, Format.Float, uvCoordinatesBuffer); result.setupData(Usage.Static, textureDimension, Format.Float, uvCoordinatesBuffer);
} else { } else {
} }
break; break;
case TEXCO_NORM:
inputData = BufferUtils.getFloatArray(mesh.getFloatBuffer(VertexBuffer.Type.Normal));
break;
case TEXCO_GLOB: case TEXCO_GLOB:
break; break;
@ -162,9 +132,6 @@ public class UVCoordinatesGenerator {
break; break;
case TEXCO_STRESS: case TEXCO_STRESS:
break;
case TEXCO_NORM:
break; break;
case TEXCO_LAVECTOR: case TEXCO_LAVECTOR:
case TEXCO_OBJECT: case TEXCO_OBJECT:
@ -181,6 +148,41 @@ public class UVCoordinatesGenerator {
throw new IllegalStateException("Unknown texture coordinates value: " + texco); throw new IllegalStateException("Unknown texture coordinates value: " + texco);
} }
if(inputData!=null) {//make calculations
if (textureDimension == 2) {
switch (projection) {
case PROJECTION_FLAT:
inputData = UVProjectionGenerator.flatProjection(mesh, bb);
break;
case PROJECTION_CUBE:
inputData = UVProjectionGenerator.cubeProjection(mesh, bb);
break;
case PROJECTION_TUBE:
BoundingTube bt = UVCoordinatesGenerator.getBoundingTube(mesh);
inputData = UVProjectionGenerator.tubeProjection(mesh, bt);
break;
case PROJECTION_SPHERE:
BoundingSphere bs = UVCoordinatesGenerator.getBoundingSphere(geometries);
inputData = UVProjectionGenerator.sphereProjection(mesh, bs);
break;
default:
throw new IllegalStateException("Unknown projection type: " + projection);
}
} else {
Vector3f min = bb.getMin(null);
float[] ext = new float[] { bb.getXExtent() * 2, bb.getYExtent() * 2, bb.getZExtent() * 2 };
// now transform the coordinates so that they are in the range of <0; 1>
for (int i = 0; i < inputData.length; i += 3) {
inputData[i] = (inputData[i] - min.x) / ext[0];
inputData[i + 1] = (inputData[i + 1] - min.y) / ext[1];
inputData[i + 2] = (inputData[i + 2] - min.z) / ext[2];
}
result.setupData(Usage.Static, textureDimension, Format.Float, BufferUtils.createFloatBuffer(inputData));
}
result.setupData(Usage.Static, textureDimension, Format.Float, BufferUtils.createFloatBuffer(inputData));
}
// each mesh will have the same coordinates // each mesh will have the same coordinates
for (Geometry geometry : geometries) { for (Geometry geometry : geometries) {
mesh = geometry.getMesh(); mesh = geometry.getMesh();