Manual timeslicing the VM.

[David Morris-Oliveros <david@...>]

I want to give the luaVM a certain timeslice every frame of execution. I 
know that there's lua_sethook(), but that's not quite what i'm looking 
for. What i'm mainly interested in is something like this:


void ScriptEngine::Setup()
{
   lua_settimeslice(L, LUA_MASKCOUNT, 5); // return after every 5 
instructons
   lua_setpcall(L, <insert something here>);
}

void ScriptEngine::Update(float elapsed)
{
   float timeSlice = 0.0f;
   while (timeSlice < MAX_ALLOWED_SLICE)
   {
      Timer timer();
       lua_pcallfortimeslice(L);
       // will execute 5 instructions, then return.

      timeSlice += timer.elapsed();
   }
}


It would be similar to the hooks in lua, but rather lua calling the hook 
every 5 instructions, i let it execute those 5 instructions, then it 
comes back to me.

Because, otherwise, what's the usual idea for letting lua execute only 
bits every frame?

Cheers!

--
// David Morris-Oliveros
// Camera Coder & Lua Coder ;)
// Team Bondi


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