Add movie.getInitialSystemTime()

docs/guides/lua.md

@@ -304,6 +304,20 @@ Returns 1 of the current frame is a draw frame, or 0 if not.
 
 Returns the full name of the movie file (.ltm).
 
+#### movie.getInitialSystemTime
+
+    (Number seconds, Number nseconds) movie.getInitialSystemTime()
+
+Returns the system time set at game startup. `seconds` is in whole seconds
+and `nseconds` is the number of nanoseconds.
+
+#### movie.getInitialElapsedTime
+
+    (Number seconds, Number nseconds) movie.getInitialElapsedTime()
+
+Returns the elapsed time set at game startup. `seconds` is in whole seconds
+and `nseconds` is the number of nanoseconds.
+
 ### Runtime functions
 
 Runtime functions must be performed in callback `onFrame()` to be effective on

src/program/lua/Movie.cpp

@@ -39,6 +39,8 @@ static const luaL_Reg movie_functions[] =
     { "rerecords", Lua::Movie::rerecords},
     { "isDraw", Lua::Movie::isDraw},
     { "getMovieFileName", Lua::Movie::getMovieFileName},
+    { "getInitialSystemTime", Lua::Movie::getInitialSystemTime},
+    { "getInitialElapsedTime", Lua::Movie::getInitialElapsedTime},
     { NULL, NULL }
 };
 
@@ -97,3 +99,17 @@ int Lua::Movie::getMovieFileName(lua_State *L)
     lua_pushstring(L, context->config.moviefile.c_str());
     return 1;
 }
+
+int Lua::Movie::getInitialSystemTime(lua_State *L)
+{
+    lua_pushinteger(L, context->config.sc.initial_time_sec);
+    lua_pushinteger(L, context->config.sc.initial_time_nsec);
+    return 2;
+}
+
+int Lua::Movie::getInitialElapsedTime(lua_State *L)
+{
+    lua_pushinteger(L, context->config.sc.initial_monotonic_time_sec);
+    lua_pushinteger(L, context->config.sc.initial_monotonic_time_nsec);
+    return 2;
+}

src/program/lua/Movie.h

@@ -54,6 +54,11 @@ namespace Movie {
     /* Get filename of the movie file (.ltm) */
     int getMovieFileName(lua_State *L);
 
+    /* Get system time set at game start */
+    int getInitialSystemTime(lua_State *L);
+
+    /* Get elapsed time set at game start */
+    int getInitialElapsedTime(lua_State *L);
 }
 }