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//-----------------------------------------------------------------------------
// Name: lipsyncfile.cpp
// Developer: Wolfire Games LLC
// Description:
// License: Read below
//-----------------------------------------------------------------------------
//
//
// Copyright 2022 Wolfire Games LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-----------------------------------------------------------------------------
#include <Asset/Asset/lipsyncfile.h>
#include <Asset/AssetLoader/fallbackassetloader.h>
#include <Internal/filesystem.h>
#include <Internal/error.h>
#include <Internal/timer.h>
#include <Math/enginemath.h>
#include <Compat/fileio.h>
#include <Logging/logdata.h>
#include <Main/engine.h>
LipSyncFile::LipSyncFile(AssetManager* owner, uint32_t asset_id ) : Asset(owner,asset_id), sub_error(0) {
}
int LipSyncFile::Load( const std::string &path, uint32_t load_flags ) {
sub_error = 0;
char abs_path[kPathSize];
if(FindFilePath(path.c_str(), abs_path, kPathSize, kDataPaths|kModPaths) != 0) {
return kLoadErrorMissingFile;
}
std::ifstream file;
my_ifstream_open(file, abs_path);
if(file.fail()){
return kLoadErrorCouldNotOpen;
}
const std::map<std::string, int> &phn2vis =
Engine::Instance()->GetLipSyncSystem()->phn2vis[0];
std::map<std::string, int>::const_iterator iter;
LipSyncKey new_key;
std::string line;
while(!file.eof()){
// Extract lines with format:
// phn_vis start_time end_time num_keys phoneme weight...
file >> line;
if(line == "phn_vis"){
file >> new_key.time;
new_key.time -= 50.0f; //"Disney trick" to make shape before sound
//new_key.time *= 0.001f;
new_key.time /= 970.0f;
file.ignore(256,' ');
file.ignore(256,' ');
file >> line;
int num_keys = atoi(line.c_str());
new_key.keys.resize(num_keys);
for(int i = 0; i < num_keys; ++i){
file >> line;
iter = phn2vis.find(line);
if(iter == phn2vis.end()){
FatalError("Error",
"Could not find \"%d\" in phn2id", line.c_str());
}
new_key.keys[i].id = iter->second;
file >> new_key.keys[i].weight;
}
keys.push_back(new_key);
} else {
file.ignore(256, '\n'); // Skip this line
}
}
file.close();
time_bound[0] = keys[0].time;
time_bound[1] = keys[0].time;
for(unsigned i=1; i<keys.size(); ++i){
time_bound[0] = min(time_bound[0], keys[i].time);
time_bound[1] = max(time_bound[1], keys[i].time);
}
path_ = path;
return kLoadOk;
}
const char* LipSyncFile::GetLoadErrorString() {
return "";
}
void LipSyncFile::Unload() {
}
void LipSyncFile::Reload() {
Load(path_,0x0);
}
void LipSyncFile::GetWeights(float time,
int &marker,
std::vector<KeyWeight> &weights ) {
while(keys[marker].time < time){
++marker;
}
weights = keys[marker].keys;
}
AssetLoaderBase* LipSyncFile::NewLoader() {
return new FallbackAssetLoader<LipSyncFile>();
}
void LipSyncFileReader::Update(float timestep) {
if(!valid()){
return;
}
time += timestep;
if(time > ls_ref->time_bound[1]){
ls_ref.clear();
}
}
void LipSyncFileReader::UpdateWeights() {
if(!valid()){
return;
}
ls_ref->GetWeights(time, marker, vis_weights);
std::map<std::string, float>::iterator iter;
for(iter = morph_weights.begin(); iter != morph_weights.end(); ++iter){
iter->second = 0.0f;
}
for(unsigned i=0; i<vis_weights.size(); ++i){
morph_weights[id2morph[vis_weights[i].id]] += vis_weights[i].weight;
}
}
bool LipSyncFileReader::valid() {
return ls_ref.valid();
}
void LipSyncFileReader::AttachTo( LipSyncFileRef& _ls_ref ) {
ls_ref = _ls_ref;
time = ls_ref->time_bound[0];
marker = 0;
}
void LipSyncFileReader::SetVisemeMorphs(const std::map<std::string, std::string> &phn2morph )
{
std::string phn;
std::string morph;
std::map<std::string, int> phn2vis = Engine::Instance()->GetLipSyncSystem()->phn2vis[0];
std::map<std::string, std::string>::const_iterator iter;
for(iter = phn2morph.begin(); iter != phn2morph.end(); ++iter){
phn = iter->first;
morph = iter->second;
int id = phn2vis[phn];
id2morph[id] = morph;
morph_weights[morph] = 0.0f;
}
}
std::map<std::string, float>& LipSyncFileReader::GetMorphWeights() {
return morph_weights;
}
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