private float[] readVertices(CtmInputStream input, Grid grid, int vcount, float precision)
{
checkTag(input.readLittleInt(), VERT);
int[] intVertices = input.readPackedInts(vcount, Mesh.CTM_POSITION_ELEMENT_COUNT, false);
checkTag(input.readLittleInt(), GIDX);
int[] gridIndices = input.readPackedInts(vcount, 1, false);
for (int i = 1; i < vcount; i++)
{
gridIndices[i] += gridIndices[i - 1];
}
return(CommonAlgorithm.restoreVertices(intVertices, gridIndices, grid, precision));
}
private float[] readNormals(CtmInputStream input, float[] vertices, int[] indices,
float normalPrecision, int vcount)
{
checkTag(input.readLittleInt(), NORM);
int[] intNormals = input.readPackedInts(vcount, Mesh.CTM_NORMAL_ELEMENT_COUNT, false);
return(restoreNormals(intNormals, vertices, indices, normalPrecision));
}
private int[] readIndices(CtmInputStream input, int triCount, int vcount)
{
checkTag(input.readLittleInt(), INDX);
int[] indices = input.readPackedInts(triCount, 3, false);
restoreIndices(triCount, indices);
foreach(int i in indices) {
if (i > vcount) {
throw new InvalidDataException("One element of the indice array "
+ "points to a none existing vertex(id: " + i + ")");
}
}
return indices;
}
private AttributeData readAttribute(CtmInputStream input, int vc)
{
checkTag(input.readLittleInt(), ATTR);
String name = input.readString();
float precision = input.readLittleFloat();
if (precision <= 0f) {
throw new InvalidDataException("An attribute precision value <= 0.0 was read");
}
int[] intData = input.readPackedInts(vc, Mesh.CTM_ATTR_ELEMENT_COUNT, true);
float[] data = restoreAttribs(precision, intData);
return new AttributeData(name, null, precision, data);
}
private int[] readIndices(CtmInputStream input, int triCount, int vcount)
{
checkTag(input.readLittleInt(), INDX);
int[] indices = input.readPackedInts(triCount, 3, false);
restoreIndices(triCount, indices);
foreach (int i in indices)
{
if (i > vcount)
{
throw new InvalidDataException("One element of the indice array "
+ "points to a none existing vertex(id: " + i + ")");
}
}
return(indices);
}
private AttributeData readUvData(CtmInputStream input, int vcount)
{
checkTag(input.readLittleInt(), TEXC);
String name = input.readString();
String material = input.readString();
float precision = input.readLittleFloat();
if (precision <= 0f)
{
throw new InvalidDataException("A uv precision value <= 0.0 was read");
}
int[] intCoords = input.readPackedInts(vcount, Mesh.CTM_UV_ELEMENT_COUNT, true);
float[] data = restoreUVCoords(precision, intCoords);
return(new AttributeData(name, material, precision, data));
}
private AttributeData readAttribute(CtmInputStream input, int vc)
{
checkTag(input.readLittleInt(), ATTR);
String name = input.readString();
float precision = input.readLittleFloat();
if (precision <= 0f)
{
throw new InvalidDataException("An attribute precision value <= 0.0 was read");
}
int[] intData = input.readPackedInts(vc, Mesh.CTM_ATTR_ELEMENT_COUNT, true);
float[] data = restoreAttribs(precision, intData);
return(new AttributeData(name, null, precision, data));
}
private AttributeData readUvData(CtmInputStream input, int vcount)
{
checkTag(input.readLittleInt(), TEXC);
String name = input.readString();
String material = input.readString();
float precision = input.readLittleFloat();
if (precision <= 0f) {
throw new InvalidDataException("A uv precision value <= 0.0 was read");
}
int[] intCoords = input.readPackedInts(vcount, Mesh.CTM_UV_ELEMENT_COUNT, true);
float[] data = restoreUVCoords(precision, intCoords);
return new AttributeData(name, material, precision, data);
}
private float[] readNormals(CtmInputStream input, float[] vertices, int[] indices,
float normalPrecision, int vcount)
{
checkTag(input.readLittleInt(), NORM);
int[] intNormals = input.readPackedInts(vcount, Mesh.CTM_NORMAL_ELEMENT_COUNT, false);
return restoreNormals(intNormals, vertices, indices, normalPrecision);
}
private float[] readVertices(CtmInputStream input, Grid grid, int vcount, float precision)
{
checkTag(input.readLittleInt(), VERT);
int[] intVertices = input.readPackedInts(vcount, Mesh.CTM_POSITION_ELEMENT_COUNT, false);
checkTag(input.readLittleInt(), GIDX);
int[] gridIndices = input.readPackedInts(vcount, 1, false);
for (int i = 1; i < vcount; i++) {
gridIndices[i] += gridIndices[i - 1];
}
return CommonAlgorithm.restoreVertices(intVertices, gridIndices, grid, precision);
}
protected override int[] readIntArray(CtmInputStream input, int count, int size, bool signed)
{
return(input.readPackedInts(count, size, signed));
}