// Runs on particles thread
int thread_particles(void *data)
{
particle_thread *pt = (particle_thread*)data;
lua_State *L = lua_open(); /* create state */
lua_pushlightuserdata(L, pt);
lua_setglobal(L, "__threaddata");
lua_atpanic(L, particles_lua_panic_handler);
luaL_openlibs(L); /* open libraries */
luaopen_core(L);
luaopen_particles(L);
luaopen_shaders(L);
pt->L = L;
lua_newtable(L);
lua_setglobal(L, "__fcts");
luaL_dostring(L, "function core.shader.allow() return true end");
// Override "print" if requested
if (no_debug)
{
lua_pushcfunction(L, noprint);
lua_setglobal(L, "print");
}
// And run the lua engine pre init scripts
if (!luaL_loadfile(L, "/loader/pre-init.lua")) docall(L, 0, 0);
else lua_pop(L, 1);
plist *prev;
plist *l;
while (pt->running)
{
// Wait for a keyframe
// printf("Runing particle thread %d (waiting for sem)\n", pt->id);
SDL_SemWait(pt->keyframes);
// printf("Runing particle thread %d (waiting for mutex; running(%d))\n", pt->id, pt->running);
if (!pt->running) break;
SDL_mutexP(pt->lock);
int nb = 0;
l = pt->list;
prev = NULL;
while (l)
{
if (l->ps && l->ps->alive && !l->ps->i_want_to_die)
{
if (l->ps->init) thread_particle_run(pt, l);
else thread_particle_init(pt, l);
prev = l;
l = l->next;
}
else
{
thread_particle_die(pt, l);
// Remove dead ones
if (!prev) pt->list = l->next;
else prev->next = l->next;
l = l->next;
}
nb++;
}
// printf("Particles thread %d has %d systems\n", pt->id, nb);
SDL_mutexV(pt->lock);
}
printf("Cleaning up particle thread %d\n", pt->id);
// Cleanup
SDL_mutexP(pt->lock);
l = pt->list;
while (l)
{
thread_particle_die(pt, l);
l = l->next;
}
SDL_mutexV(pt->lock);
lua_close(L);
SDL_DestroySemaphore(pt->keyframes);
SDL_DestroyMutex(pt->lock);
printf("Cleaned up particle thread %d\n", pt->id);
return(0);
}
int luaopen_core_and(lua_State *L, JNIEnv *env_, jobject activity_) {
env = env_; activity = activity_;
return luaopen_core(L);
}
