ShapeKey ModelMeshPartPayload::getShapeKey() const {
assert(_model->isLoaded());
const FBXGeometry& geometry = _model->getFBXGeometry();
const auto& networkMeshes = _model->getGeometry()->getGeometry()->getMeshes();
// guard against partially loaded meshes
if (_meshIndex >= (int)networkMeshes.size() || _meshIndex >= (int)geometry.meshes.size() || _meshIndex >= (int)_model->_meshStates.size()) {
return ShapeKey::Builder::invalid();
}
const FBXMesh& mesh = geometry.meshes.at(_meshIndex);
// if our index is ever out of range for either meshes or networkMeshes, then skip it, and set our _meshGroupsKnown
// to false to rebuild out mesh groups.
if (_meshIndex < 0 || _meshIndex >= (int)networkMeshes.size() || _meshIndex > geometry.meshes.size()) {
_model->_meshGroupsKnown = false; // regenerate these lists next time around.
_model->_readyWhenAdded = false; // in case any of our users are using scenes
_model->invalidCalculatedMeshBoxes(); // if we have to reload, we need to assume our mesh boxes are all invalid
return ShapeKey::Builder::invalid();
}
int vertexCount = mesh.vertices.size();
if (vertexCount == 0) {
// sanity check
return ShapeKey::Builder::invalid(); // FIXME
}
model::MaterialKey drawMaterialKey;
if (_drawMaterial) {
drawMaterialKey = _drawMaterial->getKey();
}
bool isTranslucent = drawMaterialKey.isTranslucent();
bool hasTangents = drawMaterialKey.isNormalMap() && !mesh.tangents.isEmpty();
bool hasSpecular = drawMaterialKey.isMetallicMap();
bool hasLightmap = drawMaterialKey.isLightmapMap();
bool isUnlit = drawMaterialKey.isUnlit();
bool isSkinned = _isSkinned;
bool wireframe = _model->isWireframe();
if (wireframe) {
isTranslucent = hasTangents = hasSpecular = hasLightmap = isSkinned = false;
}
ShapeKey::Builder builder;
if (isTranslucent) {
builder.withTranslucent();
}
if (hasTangents) {
builder.withTangents();
}
if (hasSpecular) {
builder.withSpecular();
}
if (hasLightmap) {
builder.withLightmap();
}
if (isUnlit) {
builder.withUnlit();
}
if (isSkinned) {
builder.withSkinned();
}
if (wireframe) {
builder.withWireframe();
}
return builder.build();
}
ShapeKey ModelMeshPartPayload::getShapeKey() const {
// guard against partially loaded meshes
ModelPointer model = _model.lock();
if (!model || !model->isLoaded() || !model->getGeometry()) {
return ShapeKey::Builder::invalid();
}
const FBXGeometry& geometry = model->getFBXGeometry();
const auto& networkMeshes = model->getGeometry()->getMeshes();
// guard against partially loaded meshes
if (_meshIndex >= (int)networkMeshes.size() || _meshIndex >= (int)geometry.meshes.size() || _meshIndex >= (int)model->_meshStates.size()) {
return ShapeKey::Builder::invalid();
}
const FBXMesh& mesh = geometry.meshes.at(_meshIndex);
// if our index is ever out of range for either meshes or networkMeshes, then skip it, and set our _meshGroupsKnown
// to false to rebuild out mesh groups.
if (_meshIndex < 0 || _meshIndex >= (int)networkMeshes.size() || _meshIndex > geometry.meshes.size()) {
model->_needsFixupInScene = true; // trigger remove/add cycle
model->invalidCalculatedMeshBoxes(); // if we have to reload, we need to assume our mesh boxes are all invalid
return ShapeKey::Builder::invalid();
}
int vertexCount = mesh.vertices.size();
if (vertexCount == 0) {
// sanity check
return ShapeKey::Builder::invalid(); // FIXME
}
model::MaterialKey drawMaterialKey;
if (_drawMaterial) {
drawMaterialKey = _drawMaterial->getKey();
}
bool isTranslucent = drawMaterialKey.isTranslucent();
bool hasTangents = drawMaterialKey.isNormalMap() && !mesh.tangents.isEmpty();
bool hasSpecular = drawMaterialKey.isMetallicMap();
bool hasLightmap = drawMaterialKey.isLightmapMap();
bool isUnlit = drawMaterialKey.isUnlit();
bool isSkinned = _isSkinned;
bool wireframe = model->isWireframe();
if (wireframe) {
isTranslucent = hasTangents = hasSpecular = hasLightmap = isSkinned = false;
}
ShapeKey::Builder builder;
builder.withMaterial();
if (isTranslucent || _fadeState != FADE_COMPLETE) {
builder.withTranslucent();
}
if (hasTangents) {
builder.withTangents();
}
if (hasSpecular) {
builder.withSpecular();
}
if (hasLightmap) {
builder.withLightmap();
}
if (isUnlit) {
builder.withUnlit();
}
if (isSkinned) {
builder.withSkinned();
}
if (wireframe) {
builder.withWireframe();
}
return builder.build();
}