1 files changed, 79 insertions, 0 deletions
diff --git a/Source/Graphics/lipsyncsystem.cpp b/Source/Graphics/lipsyncsystem.cpp
new file mode 100644
index 00000000..c535f553
--- /dev/null
+++ b/Source/Graphics/lipsyncsystem.cpp
@@ -0,0 +1,79 @@
+//-----------------------------------------------------------------------------
+//           Name: lipsyncsystem.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 "lipsyncsystem.h"
+
+#include <Internal/filesystem.h>
+#include <Compat/fileio.h>
+#include <Internal/error.h>
+
+#include <iostream>
+
+LipSyncSystem::LipSyncSystem()
+{
+    const char* rel_path = "Data/Sounds/voice/phonemes.txt";
+    char abs_path[kPathSize];
+    FindFilePath(rel_path, abs_path, kPathSize, kDataPaths | kModPaths);
+    std::ifstream file;
+    my_ifstream_open(file, abs_path);
+    if(file.fail()){
+        FatalError("Error", "Could not open phonemes file: %s", rel_path);
+    }
+    
+    // Create 3 maps that map a phoneme string to a viseme id 
+    // for 9, 12 or 17 visemes
+    phn2vis.resize(3);
+    vis2phn.resize(3);
+    char the_char;
+    std::string label;
+    int level = 0;
+    int group[3] = {-1,-1,-1};
+    while(!file.eof()){
+        file.get(the_char);
+        if(the_char == '\n' || the_char == ' '){
+            continue;
+        }
+        if(the_char == '['){
+            ++group[level];
+            ++level;
+            continue;
+        }
+        if(the_char == ']' || the_char == ','){
+            if(!label.empty()){
+                for(int i=0; i<3; ++i){
+                    phn2vis[i][label]=group[i];
+                    vis2phn[i][group[i]]=label;
+                }
+                label.clear();
+            }
+            if(the_char == ']'){
+                --level;
+            }
+            continue;
+        }
+        if(the_char == '\r'){
+            continue;
+        }
+        label.push_back(the_char);
+    }
+}