protected void updateSubBatch(Geometry bg) {
Batch batch = batchesByGeom.get(bg);
if (batch != null) {
Mesh mesh = batch.geometry.getMesh();
Mesh origMesh = bg.getMesh();
VertexBuffer pvb = mesh.getBuffer(VertexBuffer.Type.Position);
FloatBuffer posBuf = (FloatBuffer) pvb.getData();
VertexBuffer nvb = mesh.getBuffer(VertexBuffer.Type.Normal);
FloatBuffer normBuf = (FloatBuffer) nvb.getData();
VertexBuffer opvb = origMesh.getBuffer(VertexBuffer.Type.Position);
FloatBuffer oposBuf = (FloatBuffer) opvb.getData();
VertexBuffer onvb = origMesh.getBuffer(VertexBuffer.Type.Normal);
FloatBuffer onormBuf = (FloatBuffer) onvb.getData();
Matrix4f transformMat = getTransformMatrix(bg);
if (mesh.getBuffer(VertexBuffer.Type.Tangent) != null) {
VertexBuffer tvb = mesh.getBuffer(VertexBuffer.Type.Tangent);
FloatBuffer tanBuf = (FloatBuffer) tvb.getData();
VertexBuffer otvb = origMesh.getBuffer(VertexBuffer.Type.Tangent);
FloatBuffer otanBuf = (FloatBuffer) otvb.getData();
doTransformsTangents(
oposBuf,
onormBuf,
otanBuf,
posBuf,
normBuf,
tanBuf,
bg.startIndex,
bg.startIndex + bg.getVertexCount(),
transformMat);
tvb.updateData(tanBuf);
} else {
doTransforms(
oposBuf,
onormBuf,
posBuf,
normBuf,
bg.startIndex,
bg.startIndex + bg.getVertexCount(),
transformMat);
}
pvb.updateData(posBuf);
nvb.updateData(normBuf);
batch.needMeshUpdate = true;
}
}
